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Gas heating type industrial vertical kiln with central burner

A combustion device and gas heating technology, applied in the field of gas heating furnaces and kilns, can solve the problems of inability to burn through the calcined products, reduce the quality of the calcined products, and over-burn the calcined products, so as to reduce maintenance costs, improve the utilization rate of equipment, prolong the The effect of the service life

Inactive Publication Date: 2007-10-10
贾会平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, most of the calcination methods in existing industrial shaft kilns are heated by burning coal or by installing burners around the shaft kiln and heating by gas combustion. Both of these two types of industrial shaft kilns have certain limitations in practical applications. Defects and disadvantages, among them, during the calcination process of coal-fired industrial shaft kilns, coal and massive industrial raw materials are mixed together, and the burning coal is very likely to pollute the calcined products and reduce the quality of the calcined products; In the process of calcining massive industrial raw materials in the industrial shaft kiln with gas burners around the burners, due to the limitation of the length of the flame of the burner, when the internal size of the kiln body is large, the flame generated by the burning gas cannot reach the center of the shaft kiln, thus The calcined products in the center of the kiln body cannot be burned through, or the calcined products around the kiln are over-burned, resulting in the occurrence of situations that reduce the quality of the calcined products, and even severely over-burned unqualified products

Method used

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  • Gas heating type industrial vertical kiln with central burner
  • Gas heating type industrial vertical kiln with central burner
  • Gas heating type industrial vertical kiln with central burner

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] As shown in the figure, in the embodiment of the gas-heated industrial shaft kiln with a central combustion device involved in the present invention, it includes a kiln body, a feeding device, a fuel delivery device, a discharge device, a smoke exhaust device, and a combustion device Composition; the kiln body is a shaft kiln 6, a platform 8 is arranged on the top of the shaft kiln 6, a support 9 is arranged on its side, and a heat exchanger 10 is fixed on the support 9; the feeding device includes a pit 1, Feeding car 2, inclined bridge 3, feeding device support 4 and feeding device 5; said discharging device includes discharging car 21, electromagnetic vibration discharging machine 22; described smoke exhaust device includes dust collector 14, smoke exhaust fan 17, Exhaust gas pipeline 7, chimney 16, induced draft pipe 18, negative induced draft fan 19; Descri...

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Abstract

An industrial vertical kiln with central burning device in fuel-gas heating mode consists of kiln body, material supplying unit, fuel conveying unit, material output unit, smoke exhausting unit, burning unit and control unit. It is featured as preheating fuel gas and combustion-supporting air by heat exchanger, making casthouse pressure of mixed fuel gas and combustion supporting air be about 10Kpa with temperature being greater than 150deg.c under action of combustion-supporting air fan and then burning preheated- mixed fuel gas and combustion-supporting air in integrated burners.

Description

technical field [0001] The invention relates to a gas-heated furnace kiln, in particular to a gas-heated industrial shaft kiln with central combustion. Background technique [0002] At present, most of the calcination methods in existing industrial shaft kilns are heated by burning coal or by installing burners around the shaft kiln and heating by gas combustion. Both of these two types of industrial shaft kilns have certain limitations in practical applications. Defects and disadvantages, among them, during the calcination process of coal-fired industrial shaft kilns, coal and massive industrial raw materials are mixed together, and the burning coal is very likely to pollute the calcined products and reduce the quality of the calcined products; In the process of calcining massive industrial raw materials in the industrial vertical kiln with gas burners around the burners, due to the limitation of the length of the flame of the burner, when the internal size of the kiln body...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B1/08
Inventor 贾会平曹和平姚勇
Owner 贾会平
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