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A primary dry fire extinguishing device for scr denitrification catalyst

A denitrification catalyst and fire extinguishing device technology, which is applied in the field of SCR denitrification catalyst first-level dry fire extinguishing device, can solve the problems of catalyst poisoning and failure, and achieve the effects of low cost, reduced loss and high fire extinguishing efficiency

Inactive Publication Date: 2018-04-10
无锡华光新动力环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this has great disadvantages. When the door of the drying room is opened, a large amount of air enters will promote the further combustion of the catalyst, and the catalyst is easily poisoned and invalid after being extinguished by dry powder.

Method used

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  • A primary dry fire extinguishing device for scr denitrification catalyst
  • A primary dry fire extinguishing device for scr denitrification catalyst
  • A primary dry fire extinguishing device for scr denitrification catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A first-stage dry fire extinguishing device for SCR denitrification catalysts, which includes a nitrogen cylinder group 1, a decompression busbar 2 connected to the nitrogen cylinder group 1, a decompression busbar 2 connected to a nitrogen storage tank 4 through a control valve 3, and a nitrogen storage tank 4 The drying chamber 5 is connected through the control valve 3, and the two sides of the drying chamber 5 are provided with a nitrogen gas outlet pipeline 6, and the nitrogen gas outlet pipelines 6 on both sides are connected through a connecting pipe 7, and the corresponding connecting pipe 7 in the drying chamber 5 is provided with an anti-collision device 8, Effectively prevent the drying trolley on the track 11 from bumping into the nitrogen outlet pipeline 6, the anti-collision device 8 is a support frame structure, the height of the support frame is greater than the distance between the connecting pipe 7 and the inside of the drying chamber 5, and the nitrogen...

Embodiment 2

[0016] A first-stage drying fire extinguishing device for SCR denitrification catalysts, which includes a nitrogen cylinder group 1, a decompression busbar 2 connected to two nitrogen storage tanks 4 through a control valve 3, and the two nitrogen storage tanks 4 are respectively connected through the control valve 3 Air intake main pipe 10, drying chamber 5 is connected with air intake main pipe 10, nitrogen gas outlet pipeline 6 is arranged on both sides in the drying chamber 5, and the nitrogen gas outlet pipeline 6 on both sides is connected by connecting pipe 7, and corresponding connecting pipe 7 is provided with in the drying chamber 5 The anti-collision device 8 effectively prevents the drying trolley on the track 11 from colliding with the nitrogen gas outlet pipeline 6. The anti-collision device 8 is a support frame structure, and the height of the support frame structure is greater than the distance between the connecting pipe 7 and the inside of the drying chamber 5....

Embodiment 3

[0018] A first-stage dry fire extinguishing device for SCR denitrification catalysts, which includes a nitrogen cylinder group 1, a decompression busbar 2 connected to the nitrogen cylinder group 1, a decompression busbar 2 connected to a nitrogen storage tank 4 through a control valve 3, and a nitrogen storage tank 4 The branch is connected to multiple drying chambers 5 through the control valve 3, and the multiple drying chambers 5 are respectively connected to the nitrogen storage tank 4 through the control valve. There are nitrogen gas outlet pipes 6 on both sides of the drying chamber 5, and the nitrogen gas outlet pipes 6 on both sides are connected through The pipe 7 is connected, and the corresponding connecting pipe 7 in the drying chamber 5 is provided with an anti-collision device 8, which effectively prevents the drying trolley on the track 11 from colliding with the nitrogen outlet pipe 6. The anti-collision device 8 is a support frame structure, and the height of t...

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PUM

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Abstract

The invention provides a fire extinguishing device for primary drying of SCR denitrification catalysts. When the SCR denitrification catalyst catches fire during the primary drying, it can quickly reduce the indoor oxygen content and temperature, so that the fire is contained in time, has high fire extinguishing efficiency, low cost, and can effectively reduce the loss caused by catalyst ignition. The decompression busbar is connected to the nitrogen storage tank through the control valve, and the nitrogen storage tank is connected to the drying chamber through the control valve.

Description

technical field [0001] The invention belongs to the technical field of coal power generation, and in particular relates to a primary dry fire extinguishing device for SCR denitrification catalysts. Background technique [0002] Selective Catalytic Reduction (SCR) is the most widely used, mature and effective flue gas denitrification technology among many coal-fired power station denitrification technologies. The SCR denitration catalyst is mainly composed of an oxide carrier and an active component. The honeycomb catalyst is a denitration catalyst in which the carrier and the active component are integrally formed. After the catalyst is extruded, it needs to undergo primary drying to remove part of the moisture in the catalyst product, then undergo secondary drying, and finally sinter. [0003] In the first-level drying system in China, the local temperature control in the drying room is not accurate during the drying process on the 8th to 10th day, causing the catalyst in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62C3/06
CPCA62C3/06
Inventor 钱军孟德海赵建新陈玲孙志翱尤毓敏
Owner 无锡华光新动力环保科技股份有限公司
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