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Engine-boiler integrated tube nest type combustion engine and device thereof for recovering three wastes

A waste heat recovery device and burner technology, which is applied in the direction of combustion chamber, combustion method, combustion type, etc., can solve the problems of low thermal efficiency of the system, complicated connection of the steam-water system, and easy burning of the cyclone, so as to achieve sufficient heat absorption, high thermal efficiency, The effect of improving combustion efficiency

Inactive Publication Date: 2011-02-16
郑州锅炉股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned waste heat boiler system occupies a large area, the co-firing furnace and dust collector are bulky, the connection of the steam-water system is complicated, the top of the cyclone is easy to burn, and the thermal efficiency of the system is low

Method used

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  • Engine-boiler integrated tube nest type combustion engine and device thereof for recovering three wastes
  • Engine-boiler integrated tube nest type combustion engine and device thereof for recovering three wastes
  • Engine-boiler integrated tube nest type combustion engine and device thereof for recovering three wastes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment one: see Figure 1-Figure 7 In the figure, there is a shell-and-tube burner integrated with a furnace. The burner contains a furnace with a membrane wall structure, and an air supply chamber and an air supply chamber outside the furnace. The air supply chamber is provided with an air inlet pipe. The air supply chamber is provided with a gas inlet pipe, and the inner wall of the air supply chamber is provided with a certain number of air pipes connected to the furnace with a membrane wall structure, and the inner wall of the air supply chamber is also provided with a certain number of air pipes connected To the furnace of membrane wall structure.

[0038] The membrane hearth contains heat exchange pipes and flat steel plates, and the air pipes and air pipes pass through the flat steel plates and are connected to the furnace; the air pipes and air pipes are arranged at intervals.

[0039] The air-supply chamber and the air-supply chamber are superimposed and a...

Embodiment 2

[0041] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1. The accompanying drawings are not drawn, and the similarities will not be repeated. The difference is that the air supply chamber is located on the outside, and the air duct connected between the air supply chamber and the furnace runs through Pneumatic chamber.

Embodiment 3

[0042] Embodiment three: see Figure 8-Figure 11 ,as well as Figure 1-Figure 6 , a three-waste waste heat recovery device in the figure, including a co-combustion furnace, a separator, and a waste heat boiler. The lower part of the co-combustion furnace is a ignition section, the middle part is a boiling combustion section, and the upper part is a cylinder. Inlet, the air inlet of the separator is connected with the upper part of the co-combustion furnace, the gas outlet of the separator is connected with the waste heat boiler, and the dust discharge pipe of the separator is connected to the boiling combustion of the co-combustion furnace through the return device and the return pipe. section, the shell of the co-combustion furnace is a full-membrane wall structure, and the upper and lower headers are respectively arranged at the lower end and the upper end of the co-combustion furnace; the main body of the boiling combustion section of the co-combustion furnace is a machine ...

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Abstract

The invention discloses an engine-boiler integrated tube nest type combustion engine and a device thereof for recovering the three wastes. The combustion engine is composed of a hearth in a membrane type wall structure, an air supply chamber and a plenum chamber, wherein the air supply chamber is provided with an air inlet pipe; the plenum chamber is provided with a fuel gas inlet pipe; the inner wall of the air supply chamber is provided with a certain quantity of air pipes which are communicated to the heath in a membrane type wall structure; and the inner wall of the plenum chamber is provided with a certain quantity of gas pipes which are communicated to the hearth in a membrane type wall structure. The device for recovering the three wastes comprises a mixed combustion furnace, a separator and a waste heat boiler, wherein the lower part of the mixed combustion furnace is an ignition section, the middle part thereof is a boiling combustion section, and the upper part thereof is a cylinder; the upper end of the mixed combustion furnace is a coal slime inlet, the boiling combustion section main body of the mixed combustion furnace is the engine-boiler integrated tube nest type combustion engine, and the boiling section is internally provided with a boiling bed; and a solid waste inlet pipe and a refeed line are arranged at the outer sides of the heath at the boiling combustion section respectively, and a high-abrasive material layer is arranged at the inner side of the heath at the boiling combustion section. The invention has the characteristics of high heat efficiency, full combustion and stable operation.

Description

technical field [0001] The invention relates to the technical field of boilers utilizing three chemical wastes to realize energy saving, in particular to a shell-and-tube burner integrated with a furnace and a three-waste waste heat recovery device. Background technique [0002] my country's current chemical waste heat utilization system consists of three parts: three-waste co-combustion furnace, combined dust collector, and tunnel waste heat boiler. [0003] The current co-combustion furnace adopts a steel shell, and the interior is built with high-alumina bricks, aluminum silicate products, clay lightweight bricks, and high-strength wear-resistant burning injection materials. The lower part of the co-combustion furnace is a boiling combustion chamber, which is equipped with an air chamber, an air distribution plate, an air cap, a secondary air pipe and an automatic ignition device. The middle and upper part is the blowing air combustion space, the blowing air premixed com...

Claims

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Application Information

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IPC IPC(8): F23G7/00F23C7/00F23K5/00F23G5/46F23G5/30F23M5/00F23L1/00
Inventor 王俊理李鹏刘永敬李盘威常思捷曹习功冯峰杨彩萍李红星万永峰崔颖辉海彦生薛东晓赵蓓郭英
Owner 郑州锅炉股份有限公司
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