Batch Furnace Questionnaire - Keith Company

Batch Furnace Questionnaire

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Keith Proposal No.: (will be filled out by Keith Company)

Date:

1ST Contact Name: 2nd Contact Name: Title: Title: Company: Company: Street/P.O. Box: Street/P.O. Box: City, & State (Country): City, & State (Country): Zip: Mail Stop: Zip: Mail Stop: Telephone: Fax: Type of Proposal desired: Web Site Address: Preliminary: E-Mail Address: Formal:

FURNACE TYPE DESIGN REQUESTED: A. Front Loading: B. Bottom Loading: C. Envelope Furnace: D. OTHER (like Car bottom, etc): 1. One door on front or one door on front wall and back wall?

2. Vertical lift door, side horizontal door, or door on furnace car?

3. Are there space restrictions on the overall furnace size?

4. One set or two sets of cars or product platforms?

5. Should car movement be powered by electric motor system?

Yes No 6. If two sets of cars or platforms, should the furnace have two doors, or one door and an outside car transfer with

two spur tracks?

7. Describe any preferred outside trackage layout

8. Is refractory fiber lining desired if feasible?

Yes No

©2018 Keith Company | ISO 9001:2015 | 8323 Loch Lomond Drive | Pico Rivera, California 90660 Phone: (562) 948-3636 | Fax: (562) 949-3696 | www.keithcompany.com | [email protected]


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(Please document the whole heating & cooling profile on separate sheet)

Temperature uniformity required: Does product contain organic binders which must be burnt out during preheating cycle? Yes No How much binder? Type of binder? Is there a need to collect Binder burnoff to meet EPA & OSHA requirements? Yes No Is purge air needed at any point in cycle? Yes No Amount: Where in cycle? Can product be direct air-cooled? Yes No Any critical phase transformations during heating or cooling that should be addressed in furnace design?

PRODUCT & SETTING REQUIREMENTS Material to be processed: Daily production rate of the furnace: Weight of Part/s: Size of Part/s: If the product is pressed, extruded, or cast, can the shapes be stacked on each other Yes No Desired usable furnace setting dimensions: Width: Length: Height: Preferred setting orientation for the product during firing: How high can product be stacked during firing without deformation or other product degradation? 24 hr/day operation? 7 day/wk.operation?

HEATING CYCLE Normal Operating temperature: Maximum Operating Temperature: Total desired cycle time: Desired time/temperature/atmosphere profile:



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HEATING SOURCE Furnace heated with natural gas, or electricity? Plant altitude above sea level? Range of ambient temperature furnace will experience: If natural gas: BTU content of gas? Gas pressure available? Burners operate at perfect combustion or excess air? If XSA, at what points and quantities during cycle? (Draw graph on separate sheet)

Minimum soak temp. of the furnace: Manual or automatic pressure control desired? Preheated air desired? Yes No Should Keith supply exhaust stacks over furnace? Yes No If electric: Voltage available? Single or three phase? Hertz rating?

Amperage available? SCR power control? Yes No

If heated with silicon carbide elements, preference of tapped transformer or SCR?

Describe:

Known reactants for refractory: Known reactants for metallic heating elements: Known reactants for nonmetallic heating elements:

ATMOSPHERE (ELECTRICALLY HEATED FURNACES ONLY) Type of furnace atmosphere required? Dewpoint of the atmosphere: Flow rate of atmosphere introduced: Atmosphere supply pressure? Should Keith supply atmosphere control components? Yes No Should Keith supply incinerator for exhausted gases? Yes No Does process material produce gases or condensates?



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COOLING WATER If cooling water is required for fans or process: Pressure of supply: Temperature of supply: Is cooling water system closed loop with heat exchanger?

AIR SUPPLY What air pressure is available for pneumatic components?

INSTRUMENTATION Instruments calibrated in °F or °C? Programmer/controller or setpoint controller desired? If programmer/controller, number of ramps and soaks needed: Brand or model instrument preferred: Recorder or data logger desired : Round Chart? Strip Chart? Data Logger? Any desired brand or model? How many points of recording needed? Computer interface needed? For what purpose? Other process instruments desired?

OTHER Should spare parts be included in the furnace proposal? Yes No Should Keith start-up service engineer time at the job site be included in the offer? Yes No Should Keith installation supervisor job site time be included in the offer? Yes No Planned purchase date: Other comments on furnace functions, process, etc.: Anything Keith needs to know about material being fired, such as material integrity, handling, volatiles or binders given off, etc.?


Documents

Batch Furnace Questionnaire - Keith Company