CN217628472U - OG dust removal system capable of preventing gas of drainer from overflowing - Google Patents
OG dust removal system capable of preventing gas of drainer from overflowing Download PDFInfo
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- CN217628472U CN217628472U CN202123362049.6U CN202123362049U CN217628472U CN 217628472 U CN217628472 U CN 217628472U CN 202123362049 U CN202123362049 U CN 202123362049U CN 217628472 U CN217628472 U CN 217628472U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a OG dust pelletizing system technical field, in particular to OG dust pelletizing system that can prevent drainer coal gas excessive. Comprises a first-stage washing tower, a second-stage washing tower, a rotational flow dehydrator, a pre-machine dehydrator and a dehydrating tower inlet pipeline; the primary washing tower is connected with the converter through a pipeline, the secondary washing tower is connected with the primary washing tower through a pipeline, the cyclone dehydrator is connected with the secondary washing tower through a circular seam venturi tube, the pre-machine dehydrator is connected with the cyclone dehydrator through a pipeline, and the gas cabinet is connected with the pre-machine dehydrator through a pipeline; the first-stage washing tower drainer is connected with the dewatering tower inlet pipeline through a pipeline, the second-stage washing tower drainer is connected with the dewatering tower inlet pipeline through a pipeline, the cyclone dehydrator is connected with the dewatering tower inlet pipeline through a pipeline, and the circular seam venturi tube is connected with the dewatering tower inlet pipeline through a pipeline. Can inhibit the diffusion of coal gas, control the coal gas content of each operation surface of the converter and ensure the life safety of field operators.
Description
Technical Field
The utility model relates to a OG dust pelletizing system technical field, in particular to OG dust pelletizing system that can prevent drainer coal gas excessive.
Background
Converter dust removal adopts OG wet dedusting from the last 60 s. The OG method is that on the basis of recovering high-temperature flue gas heat energy and cooling the flue gas in a vaporization cooling flue, converter flue gas is purified by a two-stage Venturi scrubber, an elbow dehydrator and a water mist separator in a wet method, and the purified flue gas is automatically switched by a three-way switching valve through a centrifugal fan to respectively recover or diffuse the flue gas. Because the OG method is safe and reliable in technology, high in automation degree and good in comprehensive utilization, the OG method is adopted by more and more countries along with the deepening of the understanding of energy crisis of all countries in the world. Since the initial emergence of the 60 s, the device is adopted by all countries in the world and is greatly developed, and the research, development and application of converter wet dust removal are greatly carried out in the 70 s of China.
However, the existing steel plant generally has overlarge flow rate of dust removal sewage, and the configuration of the drainer is limited by the site and is usually small, so that the gas and water in the drainer cannot be quickly separated, the wrapped gas is overflowed when the drainer discharges the sewage, and the content of the gas around the drainer exceeds the standard (the content of the gas at the platform part is between 0.0100% and 0.0200% in the process of oxygen blowing smelting by a sewage discharge outlet gas alarm instrument), thereby bringing great potential safety hazards to the production of a steel plant.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a can prevent excessive OG dust pelletizing system of drainer coal gas can restrain the diffusion of coal gas, makes each working face coal gas content of converter controllable, guarantees field operation personnel life safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an OG dust removal system capable of preventing gas of a drainer from overflowing comprises a primary washing tower, a secondary washing tower, a rotational flow dehydrator, a pre-machine dehydrator and a dehydrating tower inlet pipeline; the primary washing tower is connected with the converter through a pipeline, the secondary washing tower is connected with the primary washing tower through a pipeline, the cyclone dehydrator is connected with the secondary washing tower through a circular seam venturi tube, the pre-machine dehydrator is connected with the cyclone dehydrator through a pipeline, and the gas cabinet is connected with the pre-machine dehydrator through a pipeline; the first-stage washing tower drainer is connected with the dewatering tower inlet pipeline through a pipeline, the second-stage washing tower drainer is connected with the dewatering tower inlet pipeline through a pipeline, the cyclone dehydrator is connected with the dewatering tower inlet pipeline through a pipeline, and the circular seam venturi tube is connected with the dewatering tower inlet pipeline through a pipeline.
And a coal gas fan, a check water seal and a V-shaped water seal valve are sequentially arranged on a pipeline connecting the coal gas cabinet and the pre-machine dehydrator.
And a pipeline for connecting the gas cabinet and the pre-machine dehydrator is provided with a branch pipeline connected with a chimney.
The pipeline that the first-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the second-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the rotational flow dehydrator and the dehydration tower inlet pipeline are connected is provided with a valve, and the pipeline that the circular seam venturi tube and the dehydration tower inlet pipeline are connected is provided with a valve.
And a valve is arranged on the inlet pipeline of the dehydration tower.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is additionally provided with a dehydrating tower inlet pipeline which is connected with a dehydrating tower, a first-level washing tower drainer is connected with the dehydrating tower inlet pipeline through a pipeline, a second-level washing tower drainer is connected with the dehydrating tower inlet pipeline through a pipeline, and a rotational flow dehydrator is connected with the dehydrating tower inlet pipeline through a pipeline; the pipeline that the first-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the second-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the rotational flow dehydrator and the dehydration tower inlet pipeline are connected is provided with a valve, and the pipeline that the circular seam venturi tube and the dehydration tower inlet pipeline are connected is provided with a valve.
The utility model discloses utilize converter dust removal pipeline to collect the coal gas that drainer department overflow mix with and take out, retrieve or discharge through a dust pelletizing system. During smelting, the air displacement of the drainer is adjusted through the valve, so that the pressure in the drainer reaches micro-negative pressure, and the coal gas in the drainer is pumped away by utilizing the suction force of the fan in the flue. Collecting and discharging the scattered coal gas by a one-absorption-one-discharge method, and finally controlling the content of the coal gas within the national safety standard.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged view of fig. 1.
In the figure: 1-converter 2-vaporization cooling flue 3-first-stage washing tower 4-second-stage washing tower 5-circular seam venturi tube 6-gas chamber 7-cyclone dehydrator 8-gas blower 9-check water seal 10-V type water seal valve 11-machine front dehydrator 12-diffusing chimney 13-first-stage washing tower drainer 14-second-stage washing tower drainer 15-cyclone dehydrator drainer 16-regulating valve 17-dewatering tower inlet pipeline
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and 2, an OG dust removing system capable of preventing gas overflow of a drainer comprises a primary washing tower 3, a secondary washing tower 4, a cyclone dehydrator 7, a pre-machine dehydrator 11, a gas cabinet 6 and a dehydrating tower inlet pipeline 17.
The top of the first-stage washing tower 3 is connected with the converter 1 through a vaporization cooling pipeline, the lower part of the first-stage washing tower 3 is connected with the lower part of the second-stage washing tower 4 through a pipeline, and the top of the second-stage washing tower 4 is connected with the lower part of the cyclone dehydrator 7 through a circular seam venturi tube 5. The top of the cyclone dehydrator 7 is connected with the lower part of the front dehydrator 11 through a pipeline, and the top of the front dehydrator 11 is connected with the gas tank 6 through a pipeline.
The pipeline of the dehydrator 11 in front of the machine connected with the gas cabinet 6 is sequentially provided with a gas fan 8, a branch pipeline, a check water seal 9 and a V-shaped water seal valve 10. The branch duct is connected to the blow-off chimney 12.
The inlet pipeline 17 of the dehydration tower is connected with the dehydration tower, the water drainer 13 of the first-level washing tower is connected with the inlet pipeline 17 of the dehydration tower through a pipeline, and the pipeline is provided with an adjusting valve 16. The secondary washing tower drainer 14 is connected with a dehydrating tower inlet pipeline 17 through a pipeline, and the pipeline is provided with an adjusting valve 16. The cyclone dehydrator 7 is connected with a dehydration tower inlet pipeline 17 through a pipeline, and an adjusting valve 16 is arranged on the pipeline. The circular seam venturi tube 5 is connected with a dehydrating tower inlet pipeline 17 through a pipeline, and an adjusting valve 16 is arranged on the pipeline.
The utility model discloses utilize converter dust removal pipeline to collect the coal gas that drainer department overflow mix with and take out, retrieve or discharge through a dust pelletizing system. During smelting, the air displacement of the water drainer is adjusted by the adjusting valve 16, so that the pressure in the water drainer reaches micro negative pressure, and the coal gas in the water drainer is sucked away by the suction force of the coal gas fan 8 in the flue. Collecting and discharging the scattered coal gas by a one-absorption-one-discharge method, and finally controlling the content of the coal gas within the national safety standard.
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. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. The utility model provides a can prevent excessive OG dust pelletizing system of drainer coal gas which characterized in that: comprises a first-stage washing tower, a second-stage washing tower, a rotational flow dehydrator, a pre-machine dehydrator and a dehydrating tower inlet pipeline; the primary washing tower is connected with the converter through a pipeline, the secondary washing tower is connected with the primary washing tower through a pipeline, the cyclone dehydrator is connected with the secondary washing tower through a circular seam venturi tube, the pre-machine dehydrator is connected with the cyclone dehydrator through a pipeline, and the gas cabinet is connected with the pre-machine dehydrator through a pipeline; the first-stage washing tower water drainer is connected with a dehydrating tower inlet pipeline through a pipeline, the second-stage washing tower water drainer is connected with a dehydrating tower inlet pipeline through a pipeline, the cyclone dehydrator is connected with a dehydrating tower inlet pipeline through a pipeline, and the circular seam venturi tube is connected with the dehydrating tower inlet pipeline through a pipeline.
2. The OG dust removal system capable of preventing gas overflow of a drainer as claimed in claim 1, wherein: and a coal gas fan, a check water seal and a V-shaped water seal valve are sequentially arranged on a pipeline connecting the coal gas cabinet and the pre-machine dehydrator.
3. The OG dust removal system capable of preventing gas overflow of a drainer as claimed in claim 1, wherein: and a branch pipeline is arranged on a pipeline connecting the gas cabinet and the pre-machine dehydrator and is connected with a chimney.
4. The OG dust removal system capable of preventing gas overflow of a drainer as claimed in claim 1, wherein: the pipeline that the first-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the second-stage washing tower drainer and the dehydration tower inlet pipeline are connected is provided with a valve, the pipeline that the rotational flow dehydrator and the dehydration tower inlet pipeline are connected is provided with a valve, and the pipeline that the circular seam venturi tube and the dehydration tower inlet pipeline are connected is provided with a valve.
5. The OG dust removal system capable of preventing gas overflow of a drainer as claimed in claim 1, wherein: and a valve is arranged on the inlet pipeline of the dehydration tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362049.6U CN217628472U (en) | 2021-12-28 | 2021-12-28 | OG dust removal system capable of preventing gas of drainer from overflowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362049.6U CN217628472U (en) | 2021-12-28 | 2021-12-28 | OG dust removal system capable of preventing gas of drainer from overflowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217628472U true CN217628472U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123362049.6U Active CN217628472U (en) | 2021-12-28 | 2021-12-28 | OG dust removal system capable of preventing gas of drainer from overflowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217628472U (en) |
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2021
- 2021-12-28 CN CN202123362049.6U patent/CN217628472U/en active Active
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