CN210765380U - Device for treating oxygen content exceeding standard by utilizing pressure stabilizing performance of converter gas cabinet - Google Patents
Device for treating oxygen content exceeding standard by utilizing pressure stabilizing performance of converter gas cabinet Download PDFInfo
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- CN210765380U CN210765380U CN201920902156.7U CN201920902156U CN210765380U CN 210765380 U CN210765380 U CN 210765380U CN 201920902156 U CN201920902156 U CN 201920902156U CN 210765380 U CN210765380 U CN 210765380U
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- oxygen content
- converter gas
- main pipe
- pipe
- tail end
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Abstract
The utility model relates to the technical field of gas utilization, in particular to a device for treating oxygen content exceeding standard by utilizing the pressure stabilizing performance of a converter gas holder, which solves the defect of potential safety hazard caused by the exceeding of the oxygen content in a recovery pipeline in the prior art, and comprises a Wiggins gas holder, a converter gas recovery main pipe and a plurality of branch pipes, wherein the Wiggins gas holder is provided with an outlet pipe, the outlet pipe is connected with the converter gas recovery main pipe through a flange, the converter gas recovery main pipe is provided with an online oxygen content analyzer B and an online oxygen content analyzer A, the online oxygen content analyzer B is positioned on a pipe body of the converter gas recovery main pipe close to the Wiggins gas holder, the online oxygen content analyzer A is close to the tail end of the converter gas recovery main pipe, thereby avoiding the oxygen content exceeding standard gas from being retained in the gas pipeline to cause difficult treatment, time consuming and bringing potential safety hazard, and simultaneously, realizing the function of fully automatically treating the oxygen exceeding standard accident, human errors are reduced.
Description
Technical Field
The utility model relates to a coal gas utilizes technical field, especially relates to an utilize converter gas chamber steady voltage performance to handle device that oxygen content exceeds standard.
Background
Most iron and steel enterprises are in converter gas recovery system, it only controls through online oxygen analyzer interlocking switching tee bend valve to handle the oxygen content that exceeds standard among the recovery process, because the gas flow velocity is fast, unqualified coal gas is detained in the pipeline, the oxygen content that appears in the recovery pipeline exceeds standard all the time, can't carry out the condition of retrieving, if sweep with nitrogen gas and need 3 to 6 hours, seriously influence safety in production, even have add emergent pipe of diffusing before the cabinet on the recovery pipeline, this kind of phenomenon also takes place occasionally, bring great potential safety hazard for safety in production, cause very big threat for recovery system safe and stable operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art that the oxygen content in the recovery pipeline exceeds the standard and the potential safety hazard is generated, and providing a device for processing the oxygen content exceeding the standard by utilizing the pressure stabilizing performance of a converter gas chamber.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the device for treating the exceeding oxygen content by utilizing the pressure stabilizing performance of the converter gas holder comprises a Wiggins gas holder, a converter gas recovery main pipe and a plurality of branch pipes, wherein an air outlet pipe is arranged on the Wiggins gas holder and is connected with the converter gas recovery main pipe through a flange, an online oxygen content analyzer B and an online oxygen content analyzer A are arranged on the converter gas recovery main pipe, the online oxygen content analyzer B is positioned on a pipe body of the converter gas recovery main pipe, which is close to the Wiggins gas holder, and the online oxygen content analyzer A is close to the tail end of the converter gas recovery main pipe.
Preferably, a plurality of branch pipes are communicated with the converter gas recovery main pipe.
Preferably, a water seal check valve, a three-way valve and a fan are sequentially arranged on the branch pipe.
Preferably, the tail end of the converter gas recovery main pipe is communicated with a tail end diffusing pipe.
Preferably, an electric butterfly valve and an air-closing quick-cutting valve are arranged on the tail end diffusing pipe.
Preferably, the tail end of the tail end diffusing pipe is provided with a tail end diffusing rain-proof cap.
Compared with the prior art, the utility model discloses avoid oxygen gas that exceeds standard to be detained in gas piping causes the processing difficulty, consuming time and brings the potential safety hazard, simultaneously, realized the function of full automated processing oxygen accident that exceeds standard, reduced human error.
Drawings
Fig. 1 is a schematic structural view of a device for processing oxygen content exceeding standard by utilizing the pressure stabilizing performance of a converter gas holder provided by the utility model.
In the figure: 1 Wiggins type gas cabinet, 2 online oxygen content analyzer B, 3 online oxygen content analyzer A, 4 electric butterfly valve, 5 air-shut quick-cutting valve, 6 water-seal check valve, 7 three-way valve, 8 blower, 9 tail end diffusion pipe, 10 converter gas recovery main pipe, 11 tail end diffusion rain-proof cap, 12 branch pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the device for treating the exceeding oxygen content by utilizing the pressure stabilizing performance of the converter gas holder comprises a Wiggins gas holder 1, a converter gas recovery main pipe 10 and a plurality of branch pipes 12, wherein an air outlet pipe is arranged on the Wiggins gas holder 1 and is connected with the converter gas recovery main pipe 10 through a flange, an online oxygen content analyzer B2 and an online oxygen content analyzer A3 are arranged on the converter gas recovery main pipe 10, the online oxygen content analyzer B2 is positioned on the pipe body of the converter gas recovery main pipe 10 close to the Wiggins gas holder 1, and the online oxygen content analyzer A3 is close to the tail end of the converter gas recovery main pipe 10.
The converter gas recovery system comprises a converter gas recovery main pipe 10, a plurality of branch pipes 12, a water seal check valve 6, a three-way valve 7 and a fan 8, wherein the branch pipes 12 are communicated with the converter gas recovery main pipe 10, the tail ends of the converter gas recovery main pipe 10 are communicated with a tail end diffusion pipe 9, an electric butterfly valve 4 and a gas seal quick-cutting valve 5 are arranged on the tail end diffusion pipe 9, and a tail end diffusion rainproof cap 11 is arranged at the tail end of the tail end diffusion pipe 9.
Example (b): in the case of oxygen analysis a superscript only:
when the monitoring value of the on-line oxygen content analyzer A exceeds a set protection value, the fan normally operates to ensure the steelmaking requirement; the converter recovery three-way valve is interlocked and automatically released, the water seal check valve is closed, and the gas tank refuses recovery; the gas in the recovery main pipe is in a static state, and the tail end of the recovery main pipe is not diffused.
Under the condition that the oxygen analyzer A and the oxygen analyzer B both exceed standards:
when the monitoring value of the oxygen content analyzer A, B exceeds the set protection value, the fan operates normally; the converter recovery three-way valve is interlocked and automatically released, the water seal check valve is closed, and the gas tank refuses recovery; meanwhile, the tail end diffusion electric butterfly valve and the pneumatic quick-cutting valve are interlocked and automatically opened; the gas in the gas recovery main pipe flows reversely by the self pressure stabilizing performance of the Wiggins gas cabinet and is diffused through the tail end diffusing pipe.
When the monitoring value of the on-line oxygen content analyzer A, B is smaller than the set protection value at the same time:
the tail end diffusion electric butterfly valve and the pneumatic quick-cutting valve are interlocked and automatically closed; the water seal check valve and the recovery three-way valve recover to the normal production running state, and the Wiggins gas cabinet recovers the gas normally; qualified converter gas is normally taken into the Wiggins gas cabinet through a recovery main pipe.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The device for treating the exceeding oxygen content by utilizing the pressure stabilizing performance of the converter gas holder comprises a Wiggins type gas holder (1), a converter gas recovery main pipe (10) and a plurality of branch pipes (12), wherein an air outlet pipe is arranged on the Wiggins type gas holder (1) and is connected with the converter gas recovery main pipe (10) through a flange, and the device is characterized in that an online oxygen content analyzer B (2) and an online oxygen content analyzer A (3) are arranged on the converter gas recovery main pipe (10), the online oxygen content analyzer B (2) is positioned on a pipe body of the converter gas recovery main pipe (10) close to the Wiggins type gas holder (1), and the online oxygen content analyzer A (3) is close to the tail end of the converter gas recovery main pipe (10).
2. The device for treating the excessive oxygen content by utilizing the pressure stabilizing performance of the converter gas holder according to claim 1, wherein a plurality of branch pipes (12) are communicated with a converter gas recovery main pipe (10).
3. The device for treating the exceeding of the oxygen content by utilizing the pressure stabilizing performance of the converter gas holder is characterized in that a water seal check valve (6), a three-way valve (7) and a fan (8) are sequentially arranged on the branch pipe (12).
4. The device for treating the excessive oxygen content by utilizing the pressure stabilizing performance of the converter gas holder according to claim 1, wherein the tail end of the converter gas recycling main pipe (10) is communicated with a tail end diffusing pipe (9).
5. The device for treating the excessive oxygen content by utilizing the pressure stabilizing performance of the converter gas holder is characterized in that an electric butterfly valve (4) and an air-closing quick-switching valve (5) are arranged on the tail end bleeding pipe (9).
6. The device for treating the excessive oxygen content by utilizing the pressure stabilizing performance of the converter gas holder is characterized in that a tail end diffusing rain-proof cap (11) is arranged at the tail end of the tail end diffusing pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902156.7U CN210765380U (en) | 2019-06-16 | 2019-06-16 | Device for treating oxygen content exceeding standard by utilizing pressure stabilizing performance of converter gas cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902156.7U CN210765380U (en) | 2019-06-16 | 2019-06-16 | Device for treating oxygen content exceeding standard by utilizing pressure stabilizing performance of converter gas cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210765380U true CN210765380U (en) | 2020-06-16 |
Family
ID=71033380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902156.7U Expired - Fee Related CN210765380U (en) | 2019-06-16 | 2019-06-16 | Device for treating oxygen content exceeding standard by utilizing pressure stabilizing performance of converter gas cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210765380U (en) |
-
2019
- 2019-06-16 CN CN201920902156.7U patent/CN210765380U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |