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Membrane wall flue gas waste heat absorption device of vertical boiler chimney

A flue gas waste heat, vertical boiler technology, applied in the direction of climate sustainability, greenhouse gas reduction, lighting and heating equipment, etc., to achieve the effect of large replacement area, considerable energy saving and consumption reduction effect, and good replacement effect

Inactive Publication Date: 2012-01-18
李念国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the boiler manufacturer sold the vertical steam boiler, it was not found that it was equipped with a water smoke waste heat absorption device

Method used

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  • Membrane wall flue gas waste heat absorption device of vertical boiler chimney
  • Membrane wall flue gas waste heat absorption device of vertical boiler chimney
  • Membrane wall flue gas waste heat absorption device of vertical boiler chimney

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0015] The structure of the present invention is as figure 1 , 2 As shown, a vertical boiler chimney membrane wall flue gas waste heat absorption device includes an annular lower header 2 and an annular upper header 3, and is characterized in that: the annular lower header 2 is connected with a lower water supply valve 1, and the annular lower header 2 The lower drain valve 6 is connected, the annular lower header 2 and the annular upper header 3 are connected through the membrane wall pipe 9, the annular upper header 3 is connected to the upper water outlet pipe 4, and there is a branch pipe on the upper water outlet pipe 4, and the branch pipe Connected with an upper header emptying valve 5, the annular lower header 2 is connected with the annular upper header 3 through a long-wall threaded pipe 7, and the long-wall threaded pipe 7 is located in t...

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PUM

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Abstract

The invention discloses a membrane wall flue gas waste heat absorption device of a vertical boiler chimney for utilizing the flue gas. The device comprises an annular lower header and an annular upper header; the annular lower header is connected with a lower part water supply valve and a lower part blowdown valve, and is connected and communicated with the annular upper header through a membrane wall tube panel; the annular upper header is connected with the upper part water outlet pipe which is provided with a branch pipe; the branch pipe is connected with an upper header evacuation valve; the annular lower header is connected with the annular upper header through a long-wall threaded pipe; and the long-wall threaded pipe is positioned in the middle of the device. Energy sources can be saved effectively by utilizing flue gas residual heat.

Description

technical field [0001] The invention relates to an energy-saving vertical industrial boiler, in particular to a vertical boiler chimney membrane wall flue gas waste heat absorption device. Background technique [0002] Vertical boilers (vertical steam boilers are the most commonly used) refer to boilers whose central axis of the shell is vertical to the ground. The LSC type is the main type. The head is formed. After the coal is burned in the water-cooled grate on the upper layer, the flue gas descends and turns to the smoke chamber with horizontal water pipes, ascends to the cupola, and is discharged to the atmosphere from the chimney. Vertical boilers are popular among small and medium-sized enterprises due to their simple structure, low price and good smoke suppression effect. According to statistics, the number of vertical steam boilers has reached more than 60% of the total number of boilers. Due to the limitation of the boiler height, its evaporation is generally not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M5/08F23J15/06
CPCY02E20/30
Inventor 李念国季涛张宗华孙光肖元超
Owner 李念国
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