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Ceramic production process by coal gas buringing in energy-saving roller kiln

A ceramic technology and roller kiln technology, which is applied in the field of energy-saving coal gasification firing ceramic technology in roller kilns, can solve the problems of wasting energy, polluting the environment, and unstable product quality, so as to reduce environmental pollution, reduce production costs, and improve production efficiency. The effect of product quality

Inactive Publication Date: 2009-01-28
王儒林
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AI Technical Summary

Problems solved by technology

[0002] Roller kiln is the key firing equipment in the ceramic industry. It is a relatively advanced continuous kiln. It has the characteristics of short firing cycle, energy saving, and easy mechanization and automation. It is widely used by domestic and foreign ceramic manufacturers. Burning oil mainly, directly roasting ceramics with coal is a waste of energy, and the product quality is unstable
The existing roller kiln uses gas to fire ceramics, but the gas production is unstable, and it cannot effectively solve the problem of waste slag and waste liquid in the process of coal gasification, which pollutes the environment

Method used

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  • Ceramic production process by coal gas buringing in energy-saving roller kiln

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Embodiment Construction

[0007] 1. Technical process route of the present invention

[0008] a. Put the lump coal into the gas generator to make gas, and then use the double standpipe, washing tower, electric coke capture, electrostatic dust removal, booster fan, and gas-water separation to burn the finished product in the roller kiln;

[0009] b. Filter, store, and pump the coal-water slurry made of pulverized coal, tar, sewage, waste liquid, etc. into the combustion furnace for combustion, and use the high temperature generated by it to make ceramic powder in the pulverizing tower;

[0010] c. Send the powder to the press for molding, pass through the drying tower, glaze, enter the kiln, and burn the finished product.

[0011] d. The roller kiln is preheated with waste heat (350°C-400°C) and slowly cooled with waste heat (250°C-300°C), and is drawn to the dryer by a heat extraction fan to dry the product in progress (80°C).

[0012] e Send the slag from the gas furnace to the cement factory to prod...

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Abstract

The energy-saving coal gasification technique to sinter ceramic for roller kiln relates to prepare CWS by tar and sewage to replace fuel oil and run with coal gas during the sintering process. This invention treats the waste harmlessly, uses waste residue to prepare cement and separated waste heat to dry ceramic blank. This invention has continuity for gas supply, stability for furnace temperature, controllability for operation, benefit to increase quality and decrease cost, and has well demonstration effect.

Description

Technical field [0001] The invention relates to coal clean combustion and energy-saving and environmental protection technology, in particular to an energy-saving coal gasification firing ceramic technology in a roller kiln. Background technique [0002] Roller kiln is the key firing equipment in the ceramic industry. It is a relatively advanced continuous kiln. It has the characteristics of short firing cycle, energy saving, and easy mechanization and automation. It is widely used by domestic and foreign ceramic manufacturers. Burning oil is the main method, and directly roasting ceramics with coal is a waste of energy, and the product quality is unstable. The existing roller kiln uses gas to fire ceramics, but the gas production is unstable, and it cannot effectively solve the problem of waste residue and waste liquid generated during the coal gasification process, which pollutes the environment. Contents of the invention [0003] In order to solve the deficiencies in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/64
Inventor 王儒林陈再兴
Owner 王儒林