CN216838043U - Gas flow guide pipe of Bischoff circular seam washing tower - Google Patents
Gas flow guide pipe of Bischoff circular seam washing tower Download PDFInfo
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- CN216838043U CN216838043U CN202123091329.8U CN202123091329U CN216838043U CN 216838043 U CN216838043 U CN 216838043U CN 202123091329 U CN202123091329 U CN 202123091329U CN 216838043 U CN216838043 U CN 216838043U
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- bischoff
- circular seam
- dust cover
- guide pipe
- circumferential weld
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Abstract
The utility model relates to a bischoff circumferential weld scrubbing tower coal gas honeycomb duct, coal gas honeycomb duct set up in the circumferential weld scrubbing tower middle section, and the circumferential weld device is connected to its bottom, and the coal gas honeycomb duct includes the body, and the stand is connected at the top of body, and the dust cover is connected at the top of stand, is equipped with the air vent on the dust cover. The number of the upright posts is 3-5, and the length of the upright posts is 800-1000 mm. The dust cover is conical, and the diameter of the bottom circle of the dust cover is 200mm and 260mm larger than the diameter of the pipe body. The number of the vent holes is 30-40. The utility model discloses avoid silt to get into the circumferential weld device of scrubbing tower, can not influence blast furnace gas's circulation route, guarantee that circumferential weld device differential pressure is stable at 80-90kpa, can effectually guarantee that blast furnace gas is even gets into the pipe network through the circumferential weld device.
Description
Technical Field
The utility model relates to blast furnace gas purification equipment, in particular to a gas flow guide pipe of a Bischoff circular seam washing tower.
Background
The Bischoff dust removal system is a wet blast furnace gas dust removal system, three circular seam devices are arranged on the lower section of a Bischoff circular seam washing tower and used for adjusting and stabilizing the top pressure of a blast furnace, and the Bischoff dust removal system is the most important part of the whole Bischoff dust removal system. The upper part of the circular seam is provided with a gas guide pipe, blast furnace gas firstly enters the upper section of the Bischoff dust removal system through a gravity dust collector and then enters the lower section of the system through the gas guide pipe, and the middle part of the blast furnace gas enters a pipe network through the circular seam to adjust the pressure. The three gas draft tubes are the only flow paths for the blast furnace gas. The washing tower runs for a long time, and the dirt and mud on the inner wall of the washing tower are very serious, so that during production and running, mud blocks can fall off from the inner wall of the washing tower, and a part of mud blocks directly fall into the gas guide pipe. Because the minimum clearance of the inner cone and the outer cone of the circular seam device is only 200mm, the fallen mud blocks are directly silted up in the middle of the inner cone surface and the outer cone surface of the circular seam, the gas circulation path is reduced due to excessive mud accumulation of the circular seam, the opening of the circular seam is increased, the differential pressure of the circular seam is increased (the maximum value is 120kpa), the inlet pressure of a TRT (blast furnace gas excess pressure power generation system) unit behind the washing tower is reduced, and the TRT generating capacity is directly influenced. Seriously affecting the flow path of the blast furnace gas and the operation adjustment of the circular seam device.
Disclosure of Invention
The utility model aims to solve the technical problem that a bischoff circular seam scrubbing tower coal gas honeycomb duct is provided, the circular seam internal and external conical surface of avoiding silt to get into the scrubbing tower guarantees that equipment moves smoothly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a circumferential weld scrubbing tower coal gas honeycomb duct, the coal gas honeycomb duct sets up in the circumferential weld scrubbing tower middle section, and the circumferential weld device is connected to its bottom, and the coal gas honeycomb duct includes the body, and the stand is connected at the top of body, and the dust cover is connected at the top of stand, is equipped with the air vent on the dust cover.
The number of the upright posts is 3-5, and the length of the upright posts is 800-1000 mm.
The dust cover is conical, and the diameter of the bottom circle of the dust cover is 200mm and 260mm larger than the diameter of the pipe body.
The number of the vent holes is 30-40.
The diameter of the vent hole is not more than 100 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses avoid silt to get into the circumferential weld device of scrubbing tower, can not influence blast furnace gas's circulation route, guarantee that circumferential weld device differential pressure is stable at 80-90kpa, can the even process circumferential weld device entering pipe network of effectual assurance blast furnace gas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structure view of a gas guide pipe.
In the figure: the gas guide pipe comprises a gas guide pipe 1, a circular seam washing tower 2, a circular seam device 3, a pipe body 4, a stand column 5, a dust cover 6 and a vent hole 7.
Detailed Description
The following further describes the embodiments of the present invention with reference to the attached drawings:
referring to fig. 1-2, a gas guide pipe of a Bischoff circular seam washing tower, wherein a gas guide pipe 1 is arranged at the middle section of a circular seam washing tower 2, the bottom of the gas guide pipe is connected with a circular seam device 3, the gas guide pipe 1 comprises a pipe body 4, the top of the pipe body 4 is connected with upright columns 5, the number of the upright columns 5 is 3-5, and the length of the upright columns is 800-1000 mm.
The top of stand 5 is connected dust cover 6, and dust cover 6 is conical, and the base circle diameter of dust cover 6 is 200 plus 260mm bigger than body 4 diameter.
The dust cover 6 is provided with a vent hole 7. The number of the vent holes 7 is 30-40. The diameter of the vent hole 7 is not more than 100 mm.
Examples
A gas guide pipe of a Bischoff circular seam washing tower is characterized in that a gas guide pipe 1 is arranged in the middle section of a circular seam washing tower 2, the bottom of the gas guide pipe is connected with a circular seam device 3, the gas guide pipe 1 comprises a pipe body 4, the top of the pipe body 4 is connected with stand columns 5, the stand columns 5 are 4, and the length of the stand columns is 1000 mm.
The dust cover 6 is connected at the top of stand 5, and dust cover 6 is conical, and the base circle diameter of dust cover 6 is 200mm more than body 4 diameter.
The dust cover 6 is provided with a vent hole 7. The number of the vent holes 7 is 32. The diameter of the vent hole 7 is 90 mm.
Above utility model, to the ordinary technical personnel in this technical field, can also be right without deviating from the principle of the utility model, these improve and decorate and also fall into the protection scope of the utility model claims. The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (5)
1. The gas guide pipe is arranged in the middle section of the circular seam washing tower, and the bottom of the gas guide pipe is connected with a circular seam device.
2. The gas diversion pipe of the Bischoff circular seam washing tower as claimed in claim 1, wherein the number of the upright columns is 3-5, and the length of the upright columns is 800-1000 mm.
3. The gas diversion pipe of the Bischoff annular seam washing tower as claimed in claim 1, wherein the dust cover is conical, and the diameter of the bottom circle of the dust cover is 200mm and 260mm larger than the diameter of the pipe body.
4. The gas guide pipe of the Bischoff circular seam washing tower as claimed in claim 1, wherein the number of the vent holes is 30-40.
5. The gas guide pipe of the Bischoff circular seam washing tower as claimed in claim 1, wherein the diameter of the vent hole is not more than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091329.8U CN216838043U (en) | 2021-12-09 | 2021-12-09 | Gas flow guide pipe of Bischoff circular seam washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091329.8U CN216838043U (en) | 2021-12-09 | 2021-12-09 | Gas flow guide pipe of Bischoff circular seam washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216838043U true CN216838043U (en) | 2022-06-28 |
Family
ID=82105872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123091329.8U Active CN216838043U (en) | 2021-12-09 | 2021-12-09 | Gas flow guide pipe of Bischoff circular seam washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216838043U (en) |
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2021
- 2021-12-09 CN CN202123091329.8U patent/CN216838043U/en active Active
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