CN216274224U - Three-network cross-linking operation system of three-converter gas chamber - Google Patents
Three-network cross-linking operation system of three-converter gas chamber Download PDFInfo
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- CN216274224U CN216274224U CN202122679796.6U CN202122679796U CN216274224U CN 216274224 U CN216274224 U CN 216274224U CN 202122679796 U CN202122679796 U CN 202122679796U CN 216274224 U CN216274224 U CN 216274224U
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Abstract
The utility model relates to the technical field of gas cabinets of converter gas recovery systems, in particular to a three-network cross-linking operation system of three converter gas cabinets. Comprises three converter gas chambers and three gas source pipelines; the gas cabinet of the first converter is provided with three branch pipelines which are respectively connected with the three gas pipelines; the gas cabinet of the second converter is provided with two branch pipelines which are respectively connected with two gas source pipelines; the gas cabinet of the third converter is provided with two branch pipelines which are respectively connected with the two gas source pipelines. The utility model can improve the degree of freedom of matching the converter gas recovery pipeline with the gas tank in any converter maintenance or gas tank maintenance state.
Description
Technical Field
The utility model relates to the technical field of gas cabinets of converter gas recovery systems, in particular to a three-network cross-linking operation system of three converter gas cabinets.
Background
The converter gas recovery is an important index for the energy recovery and utilization of iron and steel enterprises, and the index can account for 80-90% of the converter negative energy steelmaking part. All large iron and steel enterprises in the world pay high attention to benchmarking potential of the index, and recovery of converter gas is improved to the maximum extent. As the steel industry has long been in history, various steel enterprises have researched and formed a complete set of mature recovery process for the recovery of converter gas, and further excavation space is small. Therefore, a novel recovery process and an operation system are provided, the recovery potential of the converter gas can be further excavated, the recovery index of the converter gas is further improved, and greater economic benefit is created.
In the converter gas recovery system in the prior art, when two or more gas cabinets operate, the operation modes mainly comprise a series connection mode and a parallel connection mode. The two operation modes have respective advantages and disadvantages, wherein the series operation system needs to be controlled by a large number of valves to realize the operation of two or more gas cabinets, so that the failure rate is high, and the problem of mismatching of process parameters is easy to frequently occur. The parallel operation system has outstanding advantages in the operation of two gas cabinets, solves the defect of the serial operation of two gas cabinets, but greatly reduces the freedom of parallel operation for the operation of three or more gas cabinets.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a three-network cross-linking operation system of a three-converter gas chamber. The degree of freedom of matching the converter gas recovery pipeline with the gas tank can be improved under any converter maintenance or gas tank maintenance state.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a three-network cross-linking operation system of a three-converter gas cabinet comprises three-converter gas cabinets and three gas source pipelines; the gas cabinet of the first converter is provided with three branch pipelines which are respectively connected with three gas source pipelines; the gas cabinet of the second converter is provided with two branch pipelines which are respectively connected with two gas source pipelines; the gas cabinet of the third converter is provided with two branch pipelines which are respectively connected with the two gas source pipelines.
And the branch pipelines are provided with butterfly valves and blind plate valves.
The branch pipeline is provided with two butterfly valves and a blind plate valve, the blind plate valve is located in the middle, and the two butterfly valves are located on two sides.
The three gas source pipelines consist of a first gas source pipeline, a second gas source pipeline and a third gas source pipeline; one branch pipeline of the gas cabinet of the second converter is connected with the first gas source pipeline, the other branch pipeline is connected with the third gas source pipeline, one branch pipeline of the gas cabinet of the third converter is connected with the second gas source pipeline, and the other branch pipeline is connected with the third gas source pipeline.
The first gas source pipeline is connected with 4#, 5#, 6# blast furnace gas pipelines, and the gas of the first gas source pipeline comes from 4#, 5# and 6# blast furnaces; the second gas source pipeline is connected with No. 1 and No. 2 blast furnace gas pipelines, and the gas of the second gas source pipeline comes from No. 1 and No. 2 blast furnaces; the third gas source pipeline is connected with 3# and 7# blast furnace gas pipelines, and the gas of the third gas source pipeline comes from 3# and 7# blast furnaces.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model aims at the defect of low complementary freedom degree of coal gas under the abnormal state of parallel operation of three coal gas chambers. Three sets of converter gas recovery pipelines are respectively provided with branch pipelines and are provided with gas butterfly valves and blind plate valves, one converter gas recovery main pipeline is arbitrarily selected to be provided with three branch pipelines which are connected with any one set of converter gas cabinet, and the other two converter gas recovery main pipelines are respectively provided with two branch pipelines which are connected with the rest two gas cabinets. The communication of all branch pipelines is provided with butterfly valves and blind plate valves to ensure the reliable switching of coal gas. The utility model can improve the matching freedom degree of the converter gas recovery pipeline and the gas holder under any converter maintenance or gas holder maintenance state.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1-a first converter gas holder 2-a second converter gas holder 3-a third converter gas holder 4-a first gas source pipeline 5-a second gas source pipeline 6-a third gas source pipeline 7-a first butterfly valve 8-a blind plate valve 9-a second butterfly valve 11-a first branch pipeline 12-a second branch pipeline 13-a third branch pipeline 21-a fourth branch pipeline 22-a fifth branch pipeline 31-a sixth branch pipeline 32-a seventh branch pipeline
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, a three-network cross-linking operation system for three gas chambers of a converter comprises a first gas chamber 1 of the converter, a second gas chamber 2 of the converter, a third gas chamber 3 of the converter, a first gas source pipeline 4, a second gas source pipeline 5, a third gas source pipeline 6, a first butterfly valve 7, a blind plate valve 8 and a second butterfly valve 9.
The first gas source pipeline 4 is connected with 4#, 5#, 6# blast furnace gas pipelines, and the gas comes from 4#, 5#, 6# blast furnaces; the second gas source pipeline 5 is connected with No. 1 and No. 2 blast furnace gas pipelines, and the gas of the second gas source pipeline comes from No. 1 and No. 2 blast furnaces; the third gas source pipeline 6 is connected with 3# and 7# blast furnace gas pipelines, and the gas of the third gas source pipeline comes from 3# and 7# blast furnaces.
The first converter gas holder 1 is provided with three branch pipelines, namely a first branch pipeline 11, a second branch pipeline 12 and a third branch pipeline 13, wherein the first branch pipeline 11 is connected with the first gas source pipeline 4, the second branch pipeline 12 is connected with the second gas source pipeline 5, and the third branch pipeline 13 is connected with the third gas source pipeline 6.
The gas holder 2 of the second converter is provided with two branch pipelines, namely a fourth branch pipeline 21 and a fifth branch pipeline 22, the fourth branch pipeline 21 is connected with the first gas source pipeline 4, and the fifth branch pipeline 22 is connected with the third gas source pipeline 6.
The gas holder 3 of the third converter is provided with two branch pipelines, namely a sixth branch pipeline 31 and a seventh branch pipeline 32, the sixth branch pipeline 31 is connected with the third gas source pipeline 6, and the seventh branch pipeline 32 is connected with the second gas source pipeline 5.
And a first butterfly valve 7, a blind plate valve 8 and a second butterfly valve 9 are sequentially arranged on each branch pipeline.
The utility model aims at the defect of low complementary freedom degree of coal gas under the abnormal state of parallel operation of three coal gas chambers. Three sets of converter gas recovery pipelines are respectively provided with branch pipelines and are provided with gas butterfly valves and blind plate valves, one converter gas recovery main pipeline is arbitrarily selected to be provided with three branch pipelines which are connected with any one set of converter gas cabinet, and the other two converter gas recovery main pipelines are respectively provided with two branch pipelines which are connected with the rest two gas cabinets. The communication of all branch pipelines is provided with butterfly valves and blind plate valves to ensure the reliable switching of coal gas. The utility model can improve the matching freedom degree of the converter gas recovery pipeline and the gas holder under any converter maintenance or gas holder maintenance state.
The above description is only for 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 should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be equivalent or changed within the technical scope of the present invention. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. The utility model provides a three cross-linking operating system of three converters gas chamber three nets which characterized in that: comprises three converter gas chambers and three gas source pipelines; the gas cabinet of the first converter is provided with three branch pipelines which are respectively connected with three gas source pipelines; the gas cabinet of the second converter is provided with two branch pipelines which are respectively connected with two gas source pipelines; the gas cabinet of the third converter is provided with two branch pipelines which are respectively connected with the two gas source pipelines.
2. The three-network cross-linking operation system of the three-converter gas holder according to claim 1, characterized in that: and the branch pipelines are provided with butterfly valves and blind plate valves.
3. The three-network cross-linking operation system of the three-converter gas holder according to claim 2, characterized in that: the branch pipeline is provided with two butterfly valves and a blind plate valve, the blind plate valve is located in the middle, and the two butterfly valves are located on two sides.
4. The three-network cross-linking operation system of the three-converter gas holder according to claim 1, characterized in that: the three gas source pipelines consist of a first gas source pipeline, a second gas source pipeline and a third gas source pipeline; one branch pipeline of the gas cabinet of the second converter is connected with the first gas source pipeline, the other branch pipeline is connected with the third gas source pipeline, one branch pipeline of the gas cabinet of the third converter is connected with the second gas source pipeline, and the other branch pipeline is connected with the third gas source pipeline.
5. The three-network cross-linking operation system of the three-converter gas holder according to claim 4, wherein: the first gas source pipeline is connected with 4#, 5#, 6# blast furnace gas pipelines, and the gas of the first gas source pipeline comes from 4#, 5# and 6# blast furnaces; the second gas source pipeline is connected with No. 1 and No. 2 blast furnace gas pipelines, and the gas of the second gas source pipeline comes from No. 1 and No. 2 blast furnaces; the third gas source pipeline is connected with 3# and 7# blast furnace gas pipelines, and the gas of the third gas source pipeline comes from 3# and 7# blast furnaces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122679796.6U CN216274224U (en) | 2021-11-04 | 2021-11-04 | Three-network cross-linking operation system of three-converter gas chamber |
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| CN202122679796.6U CN216274224U (en) | 2021-11-04 | 2021-11-04 | Three-network cross-linking operation system of three-converter gas chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354112A (en) * | 2022-08-23 | 2022-11-18 | 山东莱钢永锋钢铁有限公司 | Automatic switching system for converter gas chamber |
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2021
- 2021-11-04 CN CN202122679796.6U patent/CN216274224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354112A (en) * | 2022-08-23 | 2022-11-18 | 山东莱钢永锋钢铁有限公司 | Automatic switching system for converter gas chamber |
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