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Device for releasing gas to external environment to realize pressure relief of equipment

An external environment and gas technology, applied in the field of equipment pressure relief devices, can solve the problems of large instantaneous air flow, pollution, and high pressure

Pending Publication Date: 2018-10-19
CHENGDU INTERMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the released gas is flammable and explosive (including CO), high temperature (up to 350°C), high pressure (up to 70kPa), large instantaneous gas flow, certain corrosiveness (gas contains sulfur ions, chloride ions), and requires fast Release, the traditional method is to release the furnace top gas directly to the atmosphere through the release pipe. When the gas is released directly to the atmosphere, it will carry a large amount of dust and float into the air, causing serious pollution in a short time

Method used

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  • Device for releasing gas to external environment to realize pressure relief of equipment
  • Device for releasing gas to external environment to realize pressure relief of equipment
  • Device for releasing gas to external environment to realize pressure relief of equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] Such as figure 1 , 2 , Embodiment 1: A device for releasing gas to the external environment to realize equipment depressurization, comprising:

[0108] Diffuse pipe 1, used for outputting and releasing blast furnace top gas;

[0109] The gas release surface 2 is used to cover the exhaust port of the release pipe 1;

[0110] The above-mentioned gas release surface 2 is a cover type, and a filter membrane is arranged on the gas release surface 2 .

[0111] In the specific setting, a support body can be set under the gas release surface 2, preferably a grid release platform can be set, that is, the cover-shaped gas release surface 2 is arranged on the grid release platform 11, and the above-mentioned release pipe 1 passes through the grid. The grid release platform 11 extends above the release platform and inside the gas release surface 2 . The exhaust port of the above-mentioned release pipe 1 is provided with a discharge valve 13 , and the gas release surface 2 here ...

Embodiment 3

[0138] Embodiment 3: On the basis of the above-mentioned structure, the above-mentioned support frame 1502 includes:

[0139] Frame 15a, the edge is used to connect with frame 1;

[0140] The silk screen 15b is used to be arranged on one side of the frame 15a board surface;

[0141] The aforementioned filter membrane 1501 is sandwiched between the screen 15b and the frame 15a.

[0142] Here, the screen 15b and the frame 15a are set to clamp the filter membrane 1501, not only for strengthening and protecting the filter membrane 1501, but also for making it more efficient in subsequent cleaning, such as vibrating the skeleton 1, and the skeleton 1 transmits the vibration to the When the filter unit is used, the screen 15b on the filter unit is set to a higher vibration frequency and vibration time. At this time, the screen 15b can vibrate the filter membrane 1501 to further improve the cleaning efficiency. The above-mentioned wire mesh 15b can be a steel wire mesh.

[0143] T...

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PUM

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Abstract

The invention belongs to the field of dust removal system, and in particular, relates to a device for releasing gas to an external environment to realize pressure relief of equipment, wherein the device includes a cavity communicating with a gas output end of the equipment, the outer side of a wall forming the cavity is the external environment in which the equipment is located, and at least a part of the wall forms a gas release face made of a filter material. By arrangement of the device, gas after pressure relief can be directly released into the external environment through the filter material, so that pressure relief and dust removal can be carried out conveniently, quickly and efficiently simultaneously through a simple structure.

Description

technical field [0001] The invention belongs to the field of dust removal systems, in particular to a device for releasing gas to the external environment to realize pressure relief of equipment. Background technique [0002] During blast furnace emergency shutdown, short-term shutdown and long-term shutdown, a large amount of gas must be released from the top of the blast furnace. Because the released gas is flammable and explosive (including CO), high temperature (up to 350°C), high pressure (up to 70kPa), large instantaneous gas flow, certain corrosiveness (gas contains sulfur ions, chloride ions), and requires fast The traditional method is to release the furnace top gas directly to the atmosphere through the release pipe. When the gas is directly released to the atmosphere, it will carry a large amount of dust and float into the air, causing serious pollution in a short time. Contents of the invention [0003] The purpose of the present invention is to provide a bett...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/54B01D46/02
CPCB01D46/02B01D46/543
Inventor 高麟熊伟张军松陈翀曾维波唐砾
Owner CHENGDU INTERMENT TECH