QCVN : 2011/BTC

QCVN : 2011/BTC

CNG HO X HI CH NGHA VIT NAM QCVN : 2011/BTC QUY CHUN K THUT QUC GIA V D TR NH NC I VI THC

National technical regulation on state reserve of paddy

H NI - 2011 Li ni u

QCVN : 2011/BTC thay th QCVN 1: 2008 v QCVN 11: 2010 /BTC;QCVN : 2011/BTC do Ban son tho Quy chun k thut quc gia v d tr nh nc i vi thc bin son, Tng cc D tr Nh nc trnh duyt v c ban hnh km theo Thng t s /2011/TT-BTC ngy thng nm 2011 ca B Ti chnh.

QUY CHUN K THUT QUC GIA

V D TR NH NC I VI THC

National technical regulation on state reserve of paddy

1. QUY NH CHUNG1.1. Phm vi iu chnh

Quy chun ny quy nh cc yu cu k thut, vn chuyn, kim tra, giao nhn (mua, bn), bo qun v cng tc qun l i vi thc d tr nh nc c bo qun trong iu kin thng thong t nhin (bo qun thong) hoc bo qun ri trong iu kin p sut thp ti cc loi hnh kho d tr nh nc hin c ca Vit Nam. 1.2. i tng p dng

Quy chun ny p dng i vi cc c quan, t chc, c nhn c hot ng lin quan n vic qun l; giao nhn (mua, bn) v bo qun thc d tr nh nc. 1.3. Gii thch t ng

Trong Quy chun ny, cc t ng di y c hiu nh sau:

1.3.1. Thc l ht la thuc loi Oryza sativa L. cha bc v tru.

1.3.2. Thc mi l thc va thu hoch v cha qua thi im thu hoch ca v lin k.

1.3.3. Ht thc rt di l ht thc c chiu di ht go lt ln hn 7 mm.

1.3.4. Ht thc di l ht thc c chiu di ht go lt t 6 mm n 7 mm.

1.3.5. Ht thc ngn l ht thc c chiu di ht go lt nh hn 6 mm.

1.3.6. Go l phn cn li ca ht thc sau khi tch b ht v tru, tch mt phn hay ton b cm v phi.

1.3.7. Go lt l phn cn li ca thc sau khi bc ht v tru.

1.3.8. Ht vng l ht go c mt phn hoc ton b ni nh bin i sang mu vng r rt.

1.3.9. Ht b h hng l ht go b gim cht lng r rt do m, nm mc, cn trng ph hi v/hoc do nguyn nhn khc.

1.3.10. Ht xanh non l ht go t ht la cha chn v/hoc pht trin cha y .

1.3.11. Ht khng hon thin gm ht b h hng (1.3.9) v ht xanh non (1.3.10)

1.3.12. Ht bc phn l ht go (tr go np) c 3/4 din tch b mt ht tr ln c mu trng c nh phn.1.3.13. Ht lp l ht thc khng c li.1.3.14. Tp cht l nhng vt cht khng phi l thc, bao gm:

1.3.14.1. Ton b phn lt qua sng c kch thc 1,60 mm x 20,00 mm.

1.3.14.2. Tp cht v c gm t, ct, , si, mnh kim loi....1.3.14.3. Tp cht hu c gm ht lp, ht b h hng hon ton, c di, ht cy trng khc, rm r, rc, xc cn trng....1.3.15. m ca thc l lng nc t do ca thc, tnh bng t l phn trm khi lng mu b mt i so vi khi lng ban u ca mu khi c sy kh nhit 130 0C 3 0C trong 120 min 5 min.1.3.16. L thc bo qun l lng thc t tiu chun nhp kho theo quy nh c cha trong mt ngn kho (vi thc ri) hoc cht xp thnh l theo quy cch (vi thc ng bao).

1.3.17. Chuyn hng l lng thc c cho hng, c gi i hoc c nhn ti mt thi im, theo cc hp ng c th hoc cc ti liu vn chuyn; chuyn hng c th l mt phn hoc nhiu l thc bo qun.1.3.18. Thc bo qun ri trong iu kin p sut thp l l thc bo qun ri trong cc loi hnh kho: Kho cun, kho A1, kho Tip, kho ci tin; c bc kn trong ti nha Polyvinylclorua (PVC), l thc lun c duy tr mt p sut m (p sut nh hn 760 mm Hg) trong thi gian bo qun.1.3.19. Thc bo qun thong l l thc bo qun trong cc loi hnh kho: Kho cun, kho A1, kho Tip, kho ci tin; p dng cc bin php bo qun thng thng: Co, o, thng thong kh t nhin v c th h tr cc thit b thng gi cng bc.2. QUY NH K THUT2.1. Cht lng thc nhp kho

Thc nhp kho cho cc cng ngh, phng php bo qun hin nay trong ngnh d tr nh nc phi l thc mi v p ng c cc ch tiu sau:

2.1.1. Loi thc nhp kho - i vi cc Cc D tr Nh nc khu vc TP. H Ch Minh, Ty Nam B, Cu Long thc nhp kho d tr theo nhm hnh ht (theo chiu di ca go lt nguyn) l thc ht di v ht rt di.

- i vi cc Cc D tr Nh nc khu vc cn li, thc nhp kho d tr theo nhm hnh ht (theo chiu di ca go lt nguyn), gm 2 nhm: Nhm thc ht di, ht rt di v nhm thc ht ngn.2.1.2. Cc ch tiu cm quan

- Mu sc: Ht thc c mu sc c trng ca ging, loi.

- Mi: C mi t nhin ca thc, khng c mi l.

- Trng thi: Ht my, v tru khng b nt, h.

2.1.3. Cc ch tiu cht lngCc ch tiu cht lng ca thc c quy nh ti Bng 1.

Bng 1: Cc ch tiu cht lng ca thc nhp kho

Hnh thc bo qun

Ch tiuThc bo qun riThc bo qun ng bao

1. m, % khi lng, khng ln hn13,815,5

2.Tp cht, % khi lng, khng ln hn2,02,5

3. Ht khng hon thin, % khi lng, khng ln hn6,07,0

4. Ht vng, % khi lng, khng ln hn0,20,2

5. Ht bc phn, % khi lng, khng ln hn7,07,0

6. Ht ln loi, % khi lng, khng ln hn10,010,0

Ghi ch: Thc bo qun ng bao ch p dng cho cc n v thuc cc tnh Nam B.2.1.4. Sinh vt hi Thc nhp kho khng b men mc, khng c cn trng sng v sinh vt hi khc nhn thy bng mt thng.2.2. Yu cu v nh kho- Kho bo qun thc d tr phi l loi kho kin c m bo ngn c tc ng trc tip ca cc yu t thi tit (ma, nng, nng) n khi ht. - Tng v nn kho khng b thm, m t, ng sng trong ma ma m. i vi nh kho bo qun thc ri trong iu kin p sut thp th tng trong ca kho v mt nn kho m bo phng, nhn.- H thng ca kho phi m bo kn v ngn nga c sinh vt gy hi xm nhp ng thi m bo thong kh, thun tin khi thng gi t nhin i vi thc bo qun thong.

- Kho cha thc phi thng xuyn sch, trong kho khng c mi l; xung quanh kho phi quang ng, m bo thot nc tt, cch ly cc ngun nhim bn, ha cht.- C ni quy, phng tin v phng n phng chy cha chy, phng chng bo lt.2.3. Yu cu i vi vt t, thit b, dng c (i vi thc bo qun ri trong iu kin p sut thp)2.3.1. Ti bo qun bc kn l thc gm ti chnh v hai lp ti bo v

- Ti chnh c gia cng t mng PVC (Polyvinylclorua). Yu cu mng PVC c dy (0,5 0,03) mm; m bo trong sut, khng c bt kh, khng c khuyt tt (phng rp, ln tp cht, vt sc, vt xc). Mng PVC c gn kt vi nhau bng keo dn PVC hoc bng cc thit b dn chuyn dng.

- Ti bo v gi cho ti chnh khng b xy xc, rch thng trong qu trnh nhp, bo qun v xut thc. Ti bo v c gia cng t cc cht liu mm, do, cng xp, nh cng tt v khng gy nh hng xu n cht lng thc trong qu trnh bo qun.

2.3.2. H thng ng dn, ht kh

- ng dn kh: c t gn trong l thc nhm to cc khong trng, thong v lu thng kh khi ht. ng dn kh thng lm t ng nha PVC cng c ng knh t 100 mm n 200 mm; cc l thong c to (bng cch khoan hoc x rnh) sut chiu di ca thn ng vi mt v kch thc l ph hp m bo ht kh thun li ng thi khng ht thc lt vo trong ng.

- ng ht kh: Dng chuyn dng kh trong khi thc ra ngoi. ng ht kh thng lm t ng nha PVC cng; mt u ng ni vi ng dn kh bng ct thu, phn ng bn ngoi l thc to thnh ca ht kh di khong 30 cm c gn van kha kh cch ca ht t 10 cm n 15 cm. Ca ht kh c g knh ph hp m bo kn kht khi ni vi thit b ht kh. Ty theo kch thc kho v khi lng thc cha c th b tr mt hoc hai ca ht kh cho mt l thc.

H thng ng dn, ht kh m bo khng b gy, bp v bin dng di tc ng ca qu trnh nhp, xut, bo qun; d gia cng (ct, khoan l, ghp ni...).

2.3.3. Thit b ht kh v thit b xc nh kn kh

- Thit b ht kh: Thng l my ht bi c cng sut m bo ht c khng kh trong l thc t p sut m ti thiu l 1000 Pa (Pascan).

- Thit b xc nh kn kh: Bng p k (manomet) c cu to l mt ng thu tinh hoc ng nha trong sut c un theo hnh ch U. Mi nhnh di t 30 cm n 35 cm, ng knh 5 mm. Gia hai nhnh t mt thc chia vch ti mm. nc n gia thn ng; v tr mc nc thng bng gia hai thn ng tng ng vi vch s 0 ca thc (nn pha mu vo nc d quan st). Ton b ng v thc c gn c nh trn tm g c gi hoc c mc treo. 2.3.4. Cc dng c thit b khc

Xin ly mu, thit b o nhit v m l thc...thch hp s dng i vi thc.3. PHNG PHP TH

3.1. Ly mu

3.1.1. Ly mu Theo TCVN 5451: 2008 Ng cc, u v sn phm nghin - Ly mu t khi hng tnh.

Ring m hnh ly mu p dng i vi ngn thc bo qun ri nh sau:* n 150 tn: Ti thiu 5 im ly mu.

* T 150 tn n 350 tn: Ti thiu 8 im ly mu.

* T 350 tn n 500 tn: ti thiu 11 im ly mu.

Cc im ly mu phi cch lp k lt 1 m. su ly mu n 2 m. S dng loi xin ly mu c ti thiu 3 im ly mu. nh du v c nh v tr cc im ly mu thc trong sut thi gian lu kho. 3.1.2. Chun b mu th nghimT mu ly theo im 3.1.1 ly ra 3 kg. Dng dng c chia mu ly 1,5 kg lm mu th nghim, 1,5 kg cn li dng lm mu lu. S dng cc hp ng mu c np y kn.

3.2. Phng php th cc ch tiu cht lng ca thc

Tin hnh xc nh mu th theo S 1.S 1: Quy trnh phn tch thc

Tch v tru

Tch v tru

Phn loi3.2.1. nh gi cm quan

Trong thi gian chun b mu quan st mu sc, ngi mi ca thc, kim tra cn trng, cc sinh vt hi khc v ghi chp li tt c cc nhn xt.

3.2.2. Xc nh m

3.2.2.1. Dng c v thit b

- Cn phn tch, c chnh xc n ( 0,001 g

- Chn cn bng kim loi hoc bng thu tinh, c np y kn.

- T sy, c th khng ch c nhit 130 oC ( 3 oC.

- Bnh ht m.

- My (ci) nghin, c cc c tnh sau:

+ Lm bng vt liu khng ht m,

+ D lm sch, c dung tch va vi lng mu cn,

+ C kh nng nghin nhanh v cho kch thc ht sau khi nghin ng u, khng sinh nhit ng k v kn (khng tip xc vi khng kh bn ngoi),

+ C kh nng iu chnh ht sau khi nghin lt ht qua sng l vung kch thc 1,7 mm x 1,7 mm.

3.2.2.2. Cch tin hnh

iu chnh my (ci) nghin nhn c ht sau khi nghin lt ht qua sng l vung c kch thc 1,7 mm x 1,7 mm. Nghin 1 lng mu nh v b i. Sau tin hnh nghin nhanh v cn ngay khong 5 g mu th. Cn lng mu nghin vi chnh xc n 0,001 g. Cho vo chn cn c np (chn cn v np c sy trc n khi lng khng i v cn vi chnh xc n 0,001 g). t chn v m np bn cnh vo t sy. Tin hnh sy mu nhit 130 oC ( 3 oC trong vng 120 min ( 5 min k t khi t sy t c 130 oC ( 3 oC.

Ly nhanh chn cn ra khi t sy, y np v t vo bnh ht m. Sau khong 30 min n 45 min khi chn ngui n nhit phng th em cn vi chnh xc n 0,001 g.

m ca thc (W) tnh bng phn trm, c xc nh theo cng thc :

Trong :

m1 l khi lng mu trc khi sy, tnh bng gam

m2 l khi lng mu sau khi sy, tnh bng gam

Kt qu php th l tr s trung bnh cng ca hai ln xc nh song song trn cng mt mu th khi s sai khc ca chng khng vt qu 1 % gi tr trung bnh. Bo co kt qu chnh xc n mt ch s thp phn.

Ghi ch:

- Cc ni dung trong phng php xc nh m ph hp vi ISO 712: 1998 Cereals and creal products - Determination of moisture content - Routine reference (Ng cc v cc sn phm ng cc. Xc nh m- Phng php chun).

- C th xc nh m bng cc phng php khc nhng phi cho kt qu tng ng.

3.2.3. Xc nh tp cht

3.2.3.1. Dng c

- Cc thu tinh, chi qut phi kh, sch.

- Sng c kch thc l sng 1,60 mm x 20,00 mm c y thu nhn v np y.

3.2.3.2. Cch tin hnh

T phn mu th 1, cn 500 g mu vi chnh xc n 0,01 g v ln sng th c lp y sng v y np. Sng bng tay trong 2 min. ton b phn cn li trn sng vo khay men trng. Nht cc tp cht v c v hu c trn sng gp vi phn tp cht nh cn li di y sng cho vo cc thy tinh kh sch, bit khi lng. Cn ton b khi lng tp cht chnh xc n 0,01 g.

3.2.3.3. Tnh ton v biu th kt qu Tp cht ca thc (Xtc), tnh bng phn trm khi lng, xc nh theo cng thc :

Trong :

mtc l khi lng tp cht, tnh bng gam.

m l khi lng mu phn tch, tnh bng gam.

Kt qu php th l tr s trung bnh cng ca hai ln xc nh song song trn cng mt mu th khi s sai khc ca chng khng vt qu 1 % gi tr trung bnh. Bo co kt qu chnh xc n mt ch s thp phn.

3.2.4. Xc nh ht ln loi

3.2.4.1. Dng c

My xay phng th nghim.

3.2.4.2. Cch tin hnh

Cn 200 g mu thc sch ( loi b tp cht) thu c theo 3.2.3, chnh xc n 0,01 g, tin hnh tch v tru bng my xay phng th nghim. Tch nhng ht cha bc ht v tru v xay li. Sau tch ring cc ht go lt nguyn v cn vi chnh xc n 0,01 g. Nht ring cc ht c kch thc v hnh dng khc r vi nhng ht trong nhm ht chnh v cn, chnh xc n 0,01 g.

3.2.4.3. Biu th kt qu Ht ln loi (XLL), tnh bng phn trm khi lng, xc nh theo cng thc:

Trong : m1 l khi lng go lt nguyn, tnh bng gam.

m2 l khi lng ht khc loi, tnh bng gam.

Kt qu php th l tr s trung bnh cng ca hai ln xc nh song song trn cng mt mu th khi s sai khc ca chng khng vt qu 1 % gi tr trung bnh. Bo co kt qu chnh xc n mt ch s thp phn.

3.2.5. Phn loi thc

3.2.5.1. Dng c

Dng c o kch thc ht, c th o chnh xc n 0,01 mm.

3.2.5.2. Cch tin hnh

Nht mt cch ngu nhin 100 ht go lt nguyn vn thu c 3.2.4. Dng dng c o kch thc ht tin hnh o chiu di ca tng ht, tnh bng milimet. Tnh gi tr chiu di trung bnh phn loi thc theo nh ngha ti 1.3.3, 1.3.4, 1.3.5.

3.2.6. Xc nh ht bc phn, ht khng hon thin, ht vng

3.2.6.1. Dng c

- My xay phng th nghim.

- Khay men trng.

- Thit b xt phng th nghim.

3.2.6.2. Tin hnh

T phn mu th 2, cn 100 g thc, chnh xc n 0,01 g, dn mng mu trn khay men trng loi b tp cht v c. Dng my xay phng th nghim tin hnh tch v tru.. Dn u mu go lt thu c trn khay men trng, nht ht ht khng hon thin, ring. Tip tc cho s go lt ny xt trng mc bnh thng bng thit b xt phng th nghim, a ln khay men trng quan st, phn loi ht bng cch nht vo cc cc thy tinh sch bit khi lng tng loi ht: Ht bc phn, ht khng hon thin, ht vng. Cn ring tng loi ht vi chnh xc n 0,01 g.

3.2.6.3. Tnh ton v biu th kt qu

Phn trm tng loi ht c tnh theo cng thc :

Trong :

ai l khi lng go lt ca tng loi ht, tnh bng gam;

m l khi lng go lt ca mu, tnh bng gam;

Xi l phn trm ca loi ht tng ng.

Kt qu php th l tr s trung bnh cng ca hai ln xc nh song song trn cng mt mu th khi s sai khc ca chng khng vt qu 1 % gi tr trung bnh. Bo co kt qu chnh xc n mt ch s thp phn.

3.3. Phng php th kn ca l thc (i vi thc bo qun ri trong iu kin p sut thp)- Gn p k vo ng gel nha ( c ni thng vi l thc nh l v ko di xung chn l), ng gel c ng knh ph hp m bo kn kht khi gn vo nhnh p k.

- Cho my ht kh hot ng v thng xuyn theo di mc nc p k, khi chnh lch mc nc trn p k t 100 mm (tng ng vi p sut m 1000 Pa) kho van ca ht kh ng thi tt my.

- Theo di ghi chp:

+ Sau khi kho van, ch 5 min n nh, ghi li mc ct nc trn p k v bm ng h theo di thi gian di chuyn ca ct nc.

+ Xc nh khong thi gian chnh ct nc gim xung cn 1/2. Khong thi gian t mc t 40 min tr ln th l thc c coi l m bo kn, nu mc di 40 min th cn tin hnh cc bin php kim tra x l.

Vic th kn l thc tin hnh lp li 3 ln.

- Kim tra v x l mng b thng, h: d tm cc im thng, h gy lt kh cn chn thi im yn tnh; ht kh ti mc cho php; tp trung lng nghe hoc c th dng cc thit b khuych i m thanh thng thng kim tra pht hin, x l. Trc ht phi kim tra li ton b cc v tr l din xung quanh l thc (cn ch kim tra cc mi dn ghp, ca ht np kh, van kha).

Trng hp sau khi kim tra vn khng pht hin c im r thng th tin hnh bc d tng phn l thc tm pht hin ch h, x l lm kn.

4. TH TC GIAO NHN THC4.1. Vn chuyn

Trc khi bc xp thc ln cc phng tin vn chuyn hoc a thc vo kho phi chun b y phng tin, dng c, hng dn cho ngi lao ng, bo m an ton ngi v hng ho.

Cc phng tin vn chuyn thc phi sch s v m bo che ma, nng. Khng thc chung vi ho cht v cc loi hng ha khc d gy bn lm nh hng n cht lng thc.

4.2. Quy trnh giao nhn, nhp kho

4.2.1. Th tc giao nhn, nhp kho

4.2.1.1. Kim tra cht lng thc nhp kho

Thc nhp kho phi bo m cc ch tiu cht lng theo quy nh ti 2.1. Trc khi cn nhp, k thut vin trc tip ly mu i din ca chuyn hng kim tra cc ch tiu cht lng. Vic kim tra m thc trc khi nhp c thc hin bng thit b o nhanh thy phn (thit b c hiu chnh so vi phng php chun v trong thi hn lu hnh). Nhng chuyn hng c cc ch tiu cht lng t tiu chun nhp kho, c ghi vo phiu kim tra (ni dung v hng dn ti mu s C77 - HD ban hnh theo Thng t s 213/2009/TT-BTC ngy 10/11/2009 ca B Ti chnh hng dn k ton p dng cho D tr nh nc). Th kho cn c phiu kim tra thc hin cn nhp.

Trong lc cn nhp, th kho phi hp kim tra nhanh cc ch tiu cht lng. Nu khng thng nht vi kt qu kim tra th hin trong phiu, th kho c quyn ngh Lnh o n v cho tm dng vic nhp kho kim tra li.4.2.1.2. Cn nhp

100 % thc nhp kho phi qua cn. Th kho phi theo di, ghi chp y , chnh xc khi lng thc cn nhp theo quy nh. Thc qua cn c chuyn thng vo kho. Vic /cht xp thc hin theo hng dn m bo quy cch. i vi thc bo qun trong iu kin p sut thp lc chuyn thc vo kho ch khng c bn, rch mng.

4.2.1.3. K xp thc trong kho

- Thc bo qun ri: cao khi ht ti a 3,5 m; yu cu trong qu trnh nhp cn gi cho khi ht khng b ln, nn cht. Khi lng mt ngn khng ln hn 600 tn.

- Thc bo qun dng ng bao: Cc bao thc c xp ngay ngn to thnh l, khi lng mi l khng ln hn 250 tn. C mi 5 lp bao hoc 6 lp bao xp git li vo 0,3 m to thnh mt cp. Trong mi lp, cc bao c xp ci kho vo nhau m bo l thc khng b nghing, trong qu trnh bo qun.

- L thc phi cch tng 0,5 m, nh l thc m bo cch trn kho t nht 1,5 m, cc l cch nhau t nht 1 m. 4.2.2. Lp phiu kim nghim cht lng

Ngay sau khi l thc nhp khi lng quy nh, n v t chc ly mu kim tra lp phiu kim nghim cht lng theo th tc nhp y l (ni dung v hng dn ti mu s C85 - HD ban hnh theo Thng t s 213/2009/TT-BTC ngy 10/11/2009 ca B Ti chnh hng dn k ton p dng cho D tr nh nc).

Phiu kim nghim cht lng l c lp thnh 04 bn c y ch k ca ngi kim nghim, Trng phng K thut bo qun v Lnh o Cc D tr Nh nc khu vc theo quy nh, trong :

- 01 bn lu ti Cc D tr Nh nc khu vc,

- 03 bn ti Chi cc D tr Nh nc khu vc (01 bn nh km bin bn nhp y kho th kho lu h s ti ngn (l) kho; 01 bn do k thut vin Chi cc D tr Nh nc khu vc lu theo di; 01 bn giao cho b phn k ton Chi cc D tr Nh nc khu vc).

Thi gian bo qun c tnh t lc l thc nhp y (theo bin bn nhp y kho).4.2.3. Lp bin bn nhp y kho

Mi ngn/l thc sau khi kt thc nhp, chun b a vo bo qun phi lp bin bn nhp y kho (ni dung v hng dn ti mu s C76 - HD ban hnh theo Thng t s 213/2009/TT-BTC ngy 10/11/2009 ca B Ti chnh hng dn k ton p dng cho D tr nh nc).Bin bn nhp y kho c lp thnh 04 bn c y ch k ca ngi kim nghim, Trng phng K thut bo qun v Lnh o Cc D tr Nh nc khu vc theo quy nh, trong :

- 01 bn lu ti Cc D tr Nh nc khu vc,

- 03 bn ti Chi cc D tr Nh nc khu vc (01 bn th kho lu h s ti ngn (l) kho; 01 bn do k thut vin Chi cc D tr Nh nc khu vc lu ; 01 bn giao cho b phn k ton Chi cc D tr Nh nc khu vc).

4.3. Th l hng

Mi l hng xp trong kho c nh mt th v ti thiu phi c cc ni dung sau:

- a im bo qun: Tn l thc, ngn kho, loi kho, vng kho;

- Loi thc, dng hnh ht;

- Khi lng thc ton b, s lng bao (i vi thc bo qun ng bao);

- Thi gian nhp: + Bt u nhp,

+ Ngy nhp y l;

- Phng thc bo qun.- Tn th kho bo qun.

4.4. Ch ghi chp s sch theo di hng ha

4.4.1. Cng vi vic lp bin bn nhp y kho v cc chng t khc theo ch k ton D tr Nh nc phi lp s theo di bo qun (gi tt l s bo qun).

4.4.2. S bo qunThng qua kt qu theo di, kim tra ghi li din bin cc ch tiu cht lng ngn/l thc theo thi gian, ni dung cng vic bo qun thc hin, cc bin php x l khc phc s c v nhng kin ngh xut (nu c).

4.5. Quy trnh xut kho4.5.1. Khi c lnh xut hng, th kho phi chun b s sch, h s, chng t ca l hng.

4.5.2. T chc ly mu, kim tra cc ch tiu cht lng, bo co thc trng l hng vi th trng n v. Vi thc ri trc thi im xut kho, trong phm vi 5 ngy phi ly mu kim nghim cht lng thc ca ngn xut. Vi thc ng bao vic ly mu thc hin ngay trc khi xut thc cho khch hng. 4.5.3. Xut hng theo nguyn tc4.5.3.1. i vi thc bo qun ri trong iu kin p sut thp+ M van kha kh cn bng p sut khng kh trong v ngoi l thc.

+ Ct tm mng PVC xung quanh tng kho ph trn nh l hng (ct theo ng dn).

+ Qu trnh xut thc ch bo v cc lp ti v h thng ng dn, ht kh khng b h hng. ti chnh v ti bo v cn lau sch v bo qun cn thn nu cn ti s dng

4.5.3.2. i vi thc bo qun thongVi thc ri phi xut gn tng phn v m bo tnh ng u. Vi thc ng bao, trong mt l xut theo tng hng bao t trn xung di, t ngoi vo trong, xut gn tng l hng.

4.5.4. Khi xut hng xong phi hon chnh cc th tc, chng t giao nhn theo ng quy nh. Sau khi xut ht thc thu gn cc vt liu k lt, dng c, qut dn kho sch s.

5. QUY NH V BO QUN THC

5.1. Bo qun thc trong iu kin thng thong t nhin

5.1.1. S

S 2: Quy trnh bo qun thc ri trong iu kin thng thong t nhin

S 3: Quy trnh bo qun thc ng bao trong iu kin thng thong t nhin

Chun b thc Chun b kho

- Thc hin k lt

- Kh trng kho, bao b, v sinh

kho

Ly mu trn phng tin Kim tra thc

kim tra cht lng khi nhp kho

Ly mu kim nghim Kim tra thc sang bao ti ca kho

Cn, chuyn thc vo kho,

cht xp theo quy trnh k thut

Bo qun

- Thng gi

- Phng tr cn trng, sinh vt hi

- nh k kim tra cht lng thc

- X l s c (nu c)

Kim nghim thc trc khi xut kho

Xut kho

5.1.2. Quy trnh k thut

5.1.2.1. Chun b kho

Trc khi k xp thc vo trong kho phi tin hnh k lt v st trng, v sinh kho.

5.1.2.1.1. K lt

5.1.2.1.1.1a. K lt nn

Ty a th kho v iu kin thc t, n v k lt cho ph hp v thun li cho vic thot nhit, thot m m bo an ton cho khi ht.

- Thc ri:

+ Xp palet theo din tch nn kho sau ph ct hoc phn an dy trn b mt palet, cc mp ct, phn gi ln nhau 10 cm. Cc palet t pha ca kho cn b sung tm li m bo ngn nga chut chui vo palet.

+ C th dng tru v phn, ct thay cho palet. Tru s dng k lt nn kho phi l tru cnh to, kh v sch. Tri tru trn nn kho, trang phng mt mt lp dy 15 cm n 20 cm. Tri phn na an n ln mt tru. Tri ct hoc li (m bo ht thc khng b ri lt xung di) ln trn phn na. t ct t ngoi vo trong, mp ct gi ln nhau 10 cm v gi ln g cnh phai ca kho.

Nhng a phng c loi phn an dy (bng dc hoc na tp) c th thay cho c phn, ct hoc li.

- Thc ng bao: Tu thuc khi lng thc ca l, nh trc din tch mt sn cht bao, xp palet rng hn mt y l thc 0,3 m. Tri ct (hoc cc vt liu thay th) ln trn palet nh bo qun thc ri.

5.1.2.1.1.2a. K lt xung quanh tng

Ring thc bo qun thong ri phi c lp k lt ngn cch khi ht vi tng kho. Lp ny c to bi cc khung ging bng tre hoc g p st vo tng v tip xc vi thc l cc tm phn, ct hoc vn cng nghip hoc cc vt liu ph hp khc. Chiu cao lp k lt quanh tng ln hn t 40 cm n 50 cm so vi chiu cao khi ht. Khung ging c lm bng tre hay g, c lin kt c nh vo tng.

+ Ging dc (tr) bng tre nguyn cy ng knh t 8 cm n 10 cm hoc bng g 4 cm x 8 cm, ct di bng chiu cao k lt (vi tre cy, u trn cn ct st t). Cc ging dc cch nhau 50 cm, u di st nn kho.+ Ging ngang (thanh) bng tre ch i hoc ch t hoc bng g 3 cm x 4 cm, khong cch gia cc thanh l 30 cm.

+ C nh ging dc v ging ngang bng inh hoc dy thp, cch mt im c nh mt im.

+ Phn na c c nh vo khung ging bng dy thp, t t di ln trn v ph kn khung ging, cc tm phn t kht vo nhau. Pha ngoi phn na c ph mt lt ct hoc li m bo khng lt thc. Trng hp phn na an dy m bo khng lt thc ra ngoi th khng cn dng ct v t cc mp chng ln nhau t 5 cm n 10 cm.

+ u trn ca cc ging dc v phn, ct cn c p, np to thnh ng thng, gn, p.5.1.2.1.2. St trng, v sinh

Kho chun b nhp thc trc v sau khi k lt cn c v sinh sch. Ton b ngn kho, lp k lt, bao b cha thc phi c x l phng, dit trng v 3 ngy sau mi tin hnh nhp thc.

5.1.2.2. To thng thong cho l thc

5.1.2.2.1. Vi thc bo qun ri

t cc ng thng thong khi bt u thc vo trong kho.

Dng cc ng thng hi bng cht liu thch hp theo quy cch thng nht to thng thong. ng thng hi c dng hnh tr ng knh chn ng 40 cm, ming ng khng nh hn 25 cm, chiu cao bng chiu cao k lt; ng thng hi phi m bo thong, thc khng lt vo bn trong, khng b bin dng khi thc; ming v chn ng phi c qun, np gn v chc. ng thng hi c b tr u theo b mt khi ht (trung bnh khong 15m2 t 1 ng).

- S lng ng thng hi t trong cc ngn kho nh sau:

+ Ngn kho cun: 5 ng

+ Ngn kho A1: 9 ng

+ Ngn kho Tip v kho khc: m bo yu cu c 12 m2 n 15 m2 c 1 ng

- V tr t ng thng hi quy nh ti Hnh 1.

Hnh 1: S t ng thng hi

5.1.2.2.2. Vi thc bo qun ng bao

To cc ging v rnh thng thong trong khi cht xp. L cht xp di 150 tn thc to mt ging, l trn 150 tn n 200 tn cn to 2 ging. Ging c to t lp bao u tin ti nh l, kch thc ging 1 m 1 m. Cc rnh c to theo c 2 chiu rng v di ca l thng vi ging. rng ca rnh 0,3 m 0,3 m. Theo cao l thc cn to 3 tng rnh u nhau. Cch to ging v rnh thng gi theo Hnh 2.

Hnh 2: S ging v rnh thng gi

A

Rnh ngang

Rnh dc

Ging thng gi

A

Hnh 2a: Hnh chiu t trn nh l nhn xung

A-AHnh 2b: Mt ct A-A

5.1.2.3. Cng vic bo qun

5.1.2.3.1. Ch v sinh

- V sinh kho, l hng: Nht sch rm, rc, tp cht sau mi ln co o; qut sch thc ri vi sn, gm kho; thu dn cc trang thit b, dng c v ni quy nh.- V sinh thng xuyn trong kho: Trn, tng, cc ca ra vo, ca thng gi, cc ng thng gi, kn v u trng trn mt thc (mt bao).

- V sinh ngoi kho: Phi qut dn hng ngy h kho, sn kho; hng tun dy c xung quanh kho. Dn sch mng, h thng thot nc quanh kho.

5.1.2.3.2. Co o, thng gi

Mc ch gii phng m , nhit khi ht sm a khi ht v trng thi n nh.

* Co o

- i vi thc bo qun ri:+ Trong 3 thng u (thc cn tip tc giai on chn sau thu hoch) t nht 3 ngy mt ln thc hin vic nh lung su t 0,5 m n 0,7 m v o lung lun phin.

+ T thng th t (cc hot ng sinh l, sinh ha trong khi ht tng i n nh) c 7 ngy 1 ln lun phin nh lung v co o.

+ Sau 12 thng c 15 ngy 1 ln lun phin nh lung co o.

- i vi thc bo qun ng bao:

Trong iu kin c th (bc nng, m t cc b...) cn thit tin hnh o l t trong ra ngoi, t di ln.

* Thng thong

- Trong 3 thng u bo qun: Hng ngy, vi iu kin thi tit kh ro ( m khng kh di 80 %) cn m cc ca kho thng thong khi ht.- Khi khi ht trng thi n nh, vic m ca thng gi tin hnh trong iu kin thch hp:

+ m tng i ca khng kh trong kho ln hn m tng i ca khng kh ngoi kho (RHtr > RHng).

+ Nhit khi ht ln hn nhit khng kh (Th > Tkk).- Ch m ca thng gi khi thi tit nng ro, nht l thi im nng to.

- Ngoi thng gi t nhin, trong nhng trng hp cn thit c th dng qut cng nghip tng cng kh nng thng gi.

5.1.2.3.3. Cng tc phng, tr sinh vt hi cho khi ht

p dng cc bin php phng tr tng hp trong sut qu trnh bo qun bao gm:5.1.2.3.3. 1a. Bin php phng nga

- Trong cng mt nh kho hay mt dy kho hn ch an xen cc ngn, l thc c v mi; gia cc ngn kho phi c vch ngn m bo hn ch ti a s ly nhim ca cn trng.

- Khng bao b, dng c cha ng thc cng vi cc ngn hoc l c thc. Gi v sinh trong v ngoi kho lun sch.

- Gi m khi ht lun nm trong gii hn an ton nhm hn ch iu kin thun li pht sinh, pht trin ca cn trng v vi sinh vt.

- Phun thuc bo v thc vt nh k mt thng mt ln cho rm ca kho, cc khong trng trong kho.

- Trn thuc bo v thc vt vi ht trc, trong hoc sau khi nhp bng cc thuc dng tip xc.

5.1.2.3.3. 2a. Nguyn tc thc hin cc bin php phng, tr dit cn trng bng thuc bo v thc vt

- Cn c s pht trin ca cn trng, iu kin v kh nng thc t ca n v la chn bin php dit tr, loi thuc bo v thc vt v thi im x l ph hp.

- Ch c s dng cc loi thuc bo v thc vt c trong danh mc quy nh ca Nh nc mc kh trng kho v theo ng vi ni dung c khuyn co. u tin s dng cc loi thuc bo v thc vt c ngun gc tho mc, ch phm sinh hc v thuc ha hc t c hi.

- Khong cch gia 2 ln dng thuc bo v thc vt dit cn trng trong thc ti thiu l 6 thng v khi thi im xut kho d lng thuc bo v thc vt khng vt qu mc theo quy nh hin hnh.

5.1.2.3.3. 3a. Bin php lm gim mt cn trng bng tc nhn c gii, vt l

- S dng cc loi sng tay, sng ci tin v cc hnh thc khc tch, loi b cn trng lm gim mt cn trng c trong thc.

- Dng by nh sng thu ht cn trng vo cc chu c pha sn thuc bo v thc vt.

5.1.2.3.3. 4a. Bin php tr dit cn trng bng thuc bo v thc vt

- Thc bo qun ri: S dng thuc bo v thc vt dit trng khi mt qun th mt cnh cng pht trin mc trn 20 con/kg thc (ly mu phm vi 0,3 m lp thc mt. Vi kho cun ly mu ti 7 im; kho A1, kho tip ly mu ti 12 im, cc im ngoi cng cch b tng 0,5 m) .

- Thc bo qun ng bao: S dng thuc bo v thc vt dit trng khi mt qun th mt cnh cng pht trin mc trn 50 con/kg (ly mu lp bao ngoi cng ti 5 mt thong ca l. Ti mi mt ly 5 im theo quy tc ng cho, im ngoi cng cch mp l t 0,5 m n 1 m) v mt ngi la mch pht trin mc trn 30 con/m2.

5.1.2.3.3. 5a. Phng, tr chut v cc sinh vt hi khc (mi, chim...) ph hi

- i vi chut v cc sinh vt hi khc (mi, chim...), bin php ch yu l phng nga, kho bo qun phi c h thng ngn chn, m bo hn ch ti a chut v cc sinh vt hi ph hi khc xut hin trong kho. Ring i vi kho cun v kho c trn kin c, kho c h thng chng chut c ci to yu cu khng c chut trong kho.

- Khi pht hin trong kho c chut cc sinh vt hi ph hi khc phi s dng phi hp mi bin php tiu dit. Ch m bo v sinh mi trng, an ton thc phm khi s dng cc bin php tr dit.

5.1.2.4. Cng tc kim tra

5.1.2.4.1. Kim tra nh k

- Ni dung kim tra: + Nhit khi thc: Nhit cao nht, nhit trung bnh ca tng tng v khi ht.

+ m ca khi ht: Lp mt, lp st tng (tng trc, tng sau v tng u hi), cc gc kho v cnh g.

Ti nhng im c nhit , m vt qu gii hn an ton cn xc nh nguyn nhn v mc x l.

+ Tnh hnh ph hi ca cn trng, chut, cc sinh vt hi khc v men mc.

+ T l ht vng.- Thi gian kim tra thc bo qun trong kho (tnh t thi im lp bin bn nhp y kho) quy nh ti Bng 2.Bng 2: Thi gian kim tra thc bo qun trong kho

Ni dung KT

Thi gianNhit mCn trng,

nm mcT l ht vng

Thng u3 ngy/ln3 ngy/lnCui thng

T 2 n 3 thngTun/lnTun/lnCui cc thng

T 4 n 6 thngTun/lnThng/lnCui cc thngCui thng th 6

T 7 n 12 thngTun/lnThng/lnCui cc thngCui thng th 12

Sau 12 thngThng/lnThng/lnCui cc thngCui thng th 18

v trc khi xut

5.1.2.4.2. Kim tra bt thng

Kim tra cht lng, cng tc bo qun khi c s c xy ra hoc theo yu cu ca c quan qun l cp trn.

Kt qu kim tra cht lng nh k v kim tra t xut do th trng n v, phng k thut hoc nhm cng tc thc hin; kt qu c ghi vo s theo di cng tc bo qun (hoc lp bin bn theo yu cu).

5.1.2.5. Mt s ch tiu c bn nh gi l thc bo qun thong an ton

- m tng i mi trng trong kho khng ln hn 75 %.

- Nhit trung bnh ca khi ht:

+ Khng ln hn 28 oC vo ma ng

+ Khng ln hn 35 oC vo ma h

- Mt cn trng (cc loi su hi ch yu):

+ Mt qun th mt cnh cng mc khng ln hn:

. 5 con/kg thc i vi thc bo qun ri

. 20 con/kg thc i vi thc bo qun ng bao

+ Mt ngi la mch mc khng ln hn 20 con/m2.

Phng php xc nh mt cn trng thc hin theo quy nh ti 5.1.2.3.3. 4a. - m ca thc:

+ Khng ln hn 13,8 % i vi thc bo qun ri

+ Khng ln hn 14 % i vi thc bo qun ng bao cc lp bao ngoi ra l, ging thng gi.

5.1.2.6. X l cc s c trong bo qun thc ri

5.1.2.6.1. Bc nng

- Phng php pht hin: Nhn bit bng cch quan st b mt khi ht thng qua tnh tan ri, hng v mu sc ca ht; bng chn, tay cm nhn biu hin kh nng bc nng. Khi pht hin khi thc c s khc thng, c biu hin bc nng th khn trng dng xin o nhit xc nh c th.

- Xc nh phm vi, mc bc nng: Kt hp dng xin o nhit v cm quan xc nh khi ht ang bc nng ton khi hay cc b, c khi lng ht b bc nng (th tch vng b bc nng nhn vi khi lng ring ca thc) v cn c mc nng nh m c cc bin php x l ph hp.

- X l: i vi bc nng cc b cn x l ngay khu vc bc nng bng cch o, chuyn v tri rng, tng b mt truyn nhit kt hp cc gii php thng thong (trong iu kin cho php) gii phng nhit cho khi ht. Khi kho thc b bc nng ton khi, phi co o, nh lung su lin tc. mc nng phi o ging vng trung tm hoc chuyn mt phn thc ra ngoi khi ht sm tr li trng thi an ton.

5.1.2.6.2. Men, mc

- Pht hin bng phng php cm quan: Quan st mu sc ht, khe v ht, phn phi, tan ri, m ht kt hp dng mi ngi pht hin mi mc (giai on chm mc). Cn c bit ch kim tra trong cc thi im chuyn ma, sau ma bo. Nhng khu vc khi ht d b mc: Lp mt, ven tng, cc gc kho; i vi khi ht b bc nng mc d c x l vn phi kim tra thng xuyn pht hin men, mc.

- X l: Khi pht hin thy men, mc phi c tnh khi lng b mc, khng c co o ln ht b mc v ht khng b mc v s lm ly nhim ton khi. Khi ht b mc hoc b ln men, mc d phi kh vn phi ring ch gii quyt. Khng em ht b men, mc x l vo khi ht, lm nh hng n cht lng ca ton khi.

5.2. Bo qun thc ri trong iu kin p sut thp

5.2.1. S

S 4: Quy trnh bo qun thc ri trong iu kin p sut thp

5.2.2. Quy trnh k thut5.2.2.1. Chun b kho v vt t, thit b, dng c

5.2.2.1.1. Chun b kho- Ci to kho ph hp, thun tin cho vic nh hnh l hng,

- Lm nhn nn kho, tng kho.

- Hon thin h thng chng chim, chut.

- V sinh v st trng kho.

5.2.2.1.2. Chun b vt t, thit b, dng cTrc khi nhp thc chun b vt t, thit b, dng c theo quy nh ti khon 2.3.

5.2.2.1.3. nh hnh gia cng ti chnh v ti bo v

- Ti chnh: Mng PVC c gia cng hon chnh thnh ti c 5 mt hoc gia cng thnh tng phn (gm cc mt xung quanh v y l thc) tin iu chnh. Chiu di v chiu rng ti chnh theo ng kch thc khi ht; ring chiu cao ti ln hn t 20 cm n 30 cm so vi chiu cao khi ht.

- Ti bo v c 5 mt gm 2 lp (lp ti bo v ngoi tip xc vi tng, nn kho; lp ti bo v trong tip xc vi thc). Kch thc ti bo v ngoi v ti bo v trong ph hp vi kch thc ti chnh, m bo lng kht ti chnh gia, chiu cao ti bo v bng chiu cao l thc.

- Tm ph: c gn kn l thc sau khi hon thnh th tc nhp y l. Kch thc tm ph bng b mt khi ht c nh du sn v tr cc im ly mu thc. Mt u ng gel nha ni vi p k c gn sn vo tm ph ti khong gia pha ngoi nh l.

5.2.2.2. K lt, lp t ng dn kh v ng ht kh

5.2.2.2.1. iu chnh, c nh cc lp ti bo qun- Ti bo v ngoi: Treo v c nh ln tng kho (cha li mt trc thun tin cho vic nhp thc).

- Ti chnh: t trn ti bo v ngoi; iu chnh v c nh ming ti chnh vo v tr nh tng kho (dn kn mt y vo thnh ti nu trc ri tng b phn). Kim tra kn ton b ti chnh v x l nhng ch h, rch thng, xc.

- Ti bo v trong: t bn trong ti chnh v c nh theo cc v tr tng ng ca ti chnh.

5.2.2.2.2. Lp t ng dn kh v ng ht kh

Tu thuc v tr t cc ng ht kh v cc ng dn kh, c th lp t trc khi thc hoc sau khi thc c ti cao nh ri lp t.

- Cc ng dn kh v ng ht kh c th lp t trong phm vi 1/3 chiu cao pha di l thc. S lng ng dn kh v ng ht kh tu thuc vo kch thc loi hnh kho tng ng vi khi lng thc nhp.

C 2 kiu t ng dn kh: Kiu song song v kiu xng c (xem hnh v m t).+ Kiu song song: Cc ng dn kh c t song song vi tng kho hng ra pha ca. di mi ng nh hn chiu di l thc 2 m (cch tng mi u 1 m). ng ht kh t cch tng bn t 1 m n 1,5 m, cc ng cch nhau khong 3 m.

+ Kiu xng c (t ph bin hn): Yu cu cc ng c lp t phn b tng i u theo mt phng ngang.

- Lp t ng ht, to ca ht kh: ng ht kh c ni thng vi ng dn kh bng ct thu. Lp van kha kh vo phn ng ht phn ngoi l cch ca ht t 10 cm n 15 cm. Cc l thc c tch lng t 200 tn tr ln c th b tr hai ca ht kh tin cho vic ht kh gii phng nhit, m ra khi l thc trong qu trnh bo qun.

M hnh h thng ng dn, ht kh trong cc kho: Hnh 3: M hnh kiu mt ca ht kh song song

Hnh 5: M hnh kiu xng c dng cho cc loi kho

5.2.2.3. Lm kn l thc, ht kh, kim tra v x l kn5.2.2.3.1. Lm kn

- Ti cc im nh du ly mu thc trn tm ph, khot l t cc on ng nha cng di t 10 cm n 30 cm, ng knh ng t 40 cm n 50 cm m bo thun tin cho vic ly mu v kim tra, x l khi l thc c s c. Mt u ng cm vo l thc; u trn nh ln khi mt tm ph khong 3 cm c np chp hoc to ct ren, m bo kn kh.

- Lm kn ti chnh (dn tm ph vo cc mt xung quanh), kim tra k cc ng dn.

- Lp p k (manomet).

- Sau khi nhp y kho, l thc cn tip tc c ht kh thng thong c trc v sau khi dn kn khng l thc xy ra hin tng bc nng.

5.2.2.3.2. Vn hnh my ht kh.5.2.2.3.3. Th kn ca l thc

Thc hin theo khon 3.3 ca Quy chun ny v x l cc im r r kh. Lp biu ghi li din bin ct nc trn p k theo thi gian v thi im p k tr li v tr cn bng.5.2.2.4. Cng vic bo qun

5.2.2.4.1. Ch v sinh

- V sinh l hng: Lau sch mng bng gi mm.

- V sinh thng xuyn trong kho: Trn, tng, cc ca ra vo, ca thng gi, cc ng thng gi.- V sinh ngoi kho: Phi qut dn hng ngy h kho, sn kho; hng tun dy c xung quanh kho. Dn sch mng, h thng thot nc quanh kho.5.2.2.4.2. Ht kh trong qu trnh bo qun - Ba thng u bo qun: Ht kh l thc t chnh lch ct nc trn p k l 100 mm v thng xuyn duy tr p sut m trong l thc ti thiu l 20 mm ct nc n 30 mm ct nc (tng ng p sut m t 200 Pa n 300 Pa).

- T thng th t n khi xut kho: Ht kh trong l thc t chnh lch trn p k l 100 mm ct nc; khi mc nc cn chnh lch n 10 mm ct nc, tip tc ht kh nh trn.Lu : Thng xuyn duy tr p sut m trong l thc ti thiu l 10 mm ct nc (tng ng p sut m 100 Pa).5.2.2.4.3. Dit trng thc bo qun ri trong iu kin p sut thp Trong c chu k bo qun (khong thi gian t lc nhp ti lc xut kho): Ti a ch tin hnh mt ln bin php phng nga, tr dit cn trng bng ha cht. Ty thuc kh nng, mc pht sinh pht trin ca su hi la chn loi ha cht, thi im x l ph hp:

- Hoc s dng dng thuc tip xc phun trn cho khi ht t thi im nhp kho n trc khi ph kn l thc;

- Hoc x l bng thuc Bo v thc vt dng xng hi khi pht hin c cn trng pht trin trong qu trnh bo qun. X l bng xng hi phi m bo thi gian thuc t nht 5 ngy. Danh mc thuc v liu lng s dng theo quy nh.

5.2.2.5. Cng tc kim tra

5.2.2.5.1. Kim tra nh k

- Thng xuyn theo di kn ca l thc; trc mi ln ht kh ghi chp mc chnh lch ct nc.

- Hng thng theo di, ghi chp cc ch s nhit , m khng kh bn ngoi v trong l thc.

- Hng qu ly mu v phn tch nh gi cht lng thc theo cc ch tiu: Cm quan, m, t l ht vng. Ba thng u, mi thng ly mu xc nh m mt ln.5.2.2.5.2. Kim tra bt thng

Kim tra cht lng, cng tc bo qun khi c s c xy ra hoc theo yu cu ca c quan qun l cp trn.

Kt qu kim tra cht lng nh k v kim tra t xut do th trng n v, phng k thut hoc nhm cng tc thc hin; kt qu c ghi vo s theo di cng tc bo qun (hoc lp bin bn theo yu cu).

5.2.2.6. X l chng ng sng, chng mc trong qu trnh bo qun- X l chng ng sng, chng mc trong qu trnh bo qun: phng nhit mi trng xung thp t ngt, trc khi c gi lnh tin hnh ng kn cc ca kho (ca thng gi v ca ra vo), tm cc bin php lm tng nhit trong ngn kho ng thi tng cng ht kh nng, m t trong khi thc ra ngoi.

- Trng hp pht hin l thc c hin tng bc nng im, ti cc im ly mu tung ng trn b mt l thc cm cc ng ht kh v ni vi my ht kh, tng cng ht kh.

- Thng xuyn kim tra, kp thi x l khng trnh trng ng sng ko di gy men mc. Trng hp thc c hin tng b mc, phi chuyn ngay s thc mc ra ngoi x l ng thi p dng cc bin php k thut a khi thc v trng thi an ton.

6. PHNG CHNG CHY N V AN TON LAO NG

6.1. Phng chng chy n

Lp phng n phng chng chy n, phng chy cha chy v lc lng ng cu khi c tnh hung xy ra. Trang b, t chc cng tc phng chng chy n theo Ngh nh s 35/2003/N-CP ngy 04/4/2003 ca Chnh ph v Thng t 04/2004/TT-BCA ngy 31/3/2004 ca B Cng an.

6.2. An ton lao ng

6.2.1. Th kho bo qun c trang b y trang thit b bo h lao ng theo ng quy nh;

6.2.2. Ln ht kh ngay sau khi x l dit trng phi cnh bo v khng ngi n gn khu vc x kh.

7. QUY NH V QUN L7.1. Thc nhp kho d tr nh nc phi c cht lng ph hp vi quy nh ti mc 2 ca Quy chun ny.

7.2. Vic nh gi cht lng thc khi nhp y kho a vo bo qun v trc khi xut kho do Cc D tr Nh nc khu vc t chc thc hin. Trong trng hp cn thit c th mi cc t chc, n v kim tra cht lng lng thc c thm quyn tin hnh vic kim tra.7.3. Thi gian lu kho- Thc bo qun ri trong iu kin p sut thp: Thi gian lu kho n 24 thng.

- Thc bo qun thong:

+ i vi thc ri thi gian lu kho khng ln hn 18 thng; thc bo qun ng bao thi gian lu kho khng ln hn 9 thng. + Trng hp cn thit nu kt qu kim tra cho php c th ko di thi gian lu kho thc bo qun ri n 24 thng, thc bo qun ng bao n 12 thng.

8. TRCH NHIM CA T CHC, C NHN

8.1. Cc t chc, c nhn cung cp thc d tr nh nc c trch nhim cung cp thc c cht lng ph hp vi quy nh ti mc 2 ca Quy chun ny.

8.2. Cc D tr Nh nc khu vc c trch nhim ch o Chi cc D tr Nh nc trc thuc giao nhn v bo qun thc theo ng quy nh ti mc 4 v mc 5 ca Quy chun ny. Trong qu trnh bo qun thc n v qun l trc tip c trch nhim kim tra cht lng thc thng xuyn v nh k 3 thng mt ln ly mu xc nh, i chiu cc ch tiu cht lng theo quy nh. 8.3. Trong trng hp l thc bo qun ri trong iu kin p sut thp khng m bo kn hoc l thc bo qun c biu hin xung cp v cc ch tiu cht lng (t l ht vng tng cao, mt cn trng sng vt qu quy nh cho php, thc b m mc) hoc khi lng c biu hin khng bnh thng th th kho, n v qun l trc tip phi chu trch nhim tm hiu xc nh nguyn nhn, x l khc phc m bo ngn l thc an ton theo quy nh. Nu s c vt qu kh nng, n v khn trng bo co cp trn bn bin php gii quyt.

8.4. Quy nh v bo co cht lng thc

- Mt thng sau khi kt thc nhp kho, Cc D tr Nh nc khu vc bo co cht lng thc nhp kho v Tng cc D tr Nh nc.

- Hng thng Chi cc D tr Nh nc bo co Cc D tr Nh nc khu vc tnh hnh cht lng thc bo qun.

- Hng qu Cc D tr Nh nc khu vc tng hp v bo co Tng cc D tr Nh nc tnh hnh cht lng thc bo qun vo ngy 20 thng cui qu. Trng hp t xut n v gi bo co ring.

- Chm nht mt thng sau khi kt thc xut kho, Cc D tr Nh nc khu vc gi bo co tnh hnh hao ht thc v Tng cc D tr Nh nc.9. T CHC THC HIN

9.1. Tng cc D tr Nh nc c trch nhim hng dn v kim tra thc hin Quy chun ny.

9.2. Trong trng hp cc tiu chun, hng dn quy nh ti Quy chun ny c s thay i, b sung hoc c thay th th thc hin theo quy nh ti vn bn mi./.

Ht ln loi

Ht chnh

Xut kho

Kim nghim trc khi xut kho

o chiu di 100

ht nguyn vn

Ht nguyn

Bo qun

- Ht kh trong qu trnh bo qun

- Kim tra din bin l thc

- Phng nga, dit tr cn trng bng

ha cht (ti a mt ln)

- X l s c (nu c)

- Cn, chuyn thc vo kho

- Lp t h thng ht kh

- Trang phng mt thc

- Ly mu kim nghim.

- Hon thnh th tc nhp y l

- Lm kn l.

- Ht kh, kim tra, x l kn

Kim tra thc trc

khi nhp

Chun b thc

Chun b kho v vt t thit b dng c

- Chun b kho

- Kh trng kho, v sinh kho

- K lt, lp t ng dn, ng ht kh

Van kho kh

ng dn chnh

ng dn xng c

Van kha kh

ng ht kh

EMBED Equation.3

EMBED Equation.3

EMBED Equation.3

EMBED Equation.3

Go lt sch

ng dn kh

- Ht bc phn

- Ht khng hon thin

- Ht vng

Tp cht

Thc sch

Go lt

Phn mu th 2

(2 x 100 g)

Phn mu th 1

(2 x 500 g)

Mu th nghim

(1,5 kg)

ng ht kh

ng dn kh

Van kha kh

Hnh 4: M hnh kiu hai ca ht kh song song

ng dn kh

Xc nh m

Mu chung

nh gi cc ch tiu cm quan, ch

tiu sinh vt hi

Mu ban u

Xut kho

EMBED Equation.3

Kim nghim trc khi xut kho

- Cn, chuyn thc vo kho

- t ng thng hi

- Trang phng mt thc.

- Ly mu kim nghim.

- Hon thnh th tc nhp y l

Kim tra thc trc

khi nhp

Bo qun

- Thng thong t nhin

- nh lung co o

- Kim tra din bin l thc

- Phng tr cn trng, sinh vt hi

- X l s c (nu c)

Chun b thc

Chun b kho

- Thc hin k lt

- Kh trng kho, v sinh kho

3029

_1372770743.unknown

_1372771294.unknown

_1379401947.unknown

_1330772280.unknown

_1330774581.unknown