CN219888342U - Cooling system for blast furnace fan - Google Patents
Cooling system for blast furnace fan Download PDFInfo
- Publication number
- CN219888342U CN219888342U CN202320681056.2U CN202320681056U CN219888342U CN 219888342 U CN219888342 U CN 219888342U CN 202320681056 U CN202320681056 U CN 202320681056U CN 219888342 U CN219888342 U CN 219888342U
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- water
- fan
- cooling tower
- water pump
- blast furnace
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- 238000001816 cooling Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- Blast Furnaces (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a cooling system for a blast furnace fan, which belongs to the technical field of steel production, and comprises a fan water pump I and a fan water pump II, wherein water outlets of the fan water pump I and the fan water pump II are respectively connected with a water inlet pipe branch, the water inlet pipe branch is connected with a water inlet of the fan after being converged, and a valve is arranged on the water inlet pipe branch; the water outlet of the fan is connected with a water return main path, the water return main path is divided into two paths before entering the water cooling tower, one path is connected with the water cooling tower I, the other path is connected with the water cooling tower II, and the two paths are provided with valves; a circulating water pool I and a circulating water pool II are respectively arranged below the cooling tower I and the cooling tower II, and are respectively connected with a fan water pump I and a fan water pump II; the fan water pump II is connected with the cooling tower II through a pipeline, and a valve is arranged on the pipeline. The utility model can independently use one set of circulating water system for cooling the fan, and the other set of circulating water system can not only provide cooling water for other production links, but also be used for standby, and the problem of unbalanced water outlet and water return caused by simultaneously using two circulating water systems is avoided.
Description
Technical Field
The utility model relates to a cooling system for a blast furnace fan, and belongs to the technical field of steel production.
Background
The blast furnace of iron and steel enterprise is usually produced by the fan air feed, and the fan can produce a large amount of heat in the operation in-process, need circulating water to cool down to keep normal production constantly. If only one fan cooling system is adopted, normal production is difficult to ensure when cooling system equipment is damaged; the existing cooling system adopts two sets of parallel circulating water systems, the water supply pipelines of the two sets of parallel circulating water systems are in two-in-one at the blast furnace fan in a herringbone mode, the water return pipeline is divided into two parts in a Y-shaped mode from a connecting pipeline of the blast furnace fan to two cooling towers, the water outlet and the water return of the two circulating water systems are easy to be unbalanced in the operation process, the fan circulating water systems cannot be normally used due to serious unbalance, and the cooling effect cannot be achieved.
Disclosure of Invention
The utility model aims to provide a cooling system for a blast furnace fan, which is used for solving the problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the cooling system for the blast furnace fan comprises a fan water pump I and a fan water pump II which are respectively arranged in different water pump rooms, wherein water outlets of the fan water pump I and the fan water pump II are respectively connected with a water inlet pipe branch, the water inlet pipe branch is connected with a water inlet of the fan after being converged, and valves are arranged on the water inlet pipe branches; the water outlet of the fan is connected with a water return main path, the water return main path is divided into two paths before entering the water cooling tower, one path is connected with the water cooling tower I, the other path is connected with the water cooling tower II, and valves are arranged on the two paths; the circulating water tank I and the circulating water tank II are respectively connected with the fan water pump I and the fan water pump II; the fan water pump II is connected with the cooling tower II through a pipeline, and a valve is arranged on the pipeline.
The technical scheme of the utility model is further improved as follows: and an air outlet of the fan is connected with the blast furnace through an air supply pipeline.
The technical scheme of the utility model is further improved as follows: the fans are arranged in parallel according to the working requirements of the blast furnace.
By adopting the technical scheme, the utility model has the following technical effects:
the utility model adopts two sets of circulating water systems which are connected in parallel, the fan water pump of one set of circulating water system is connected with the cooling tower through the pipeline provided with the valve, and the valves are arranged on the branch of each water inlet pipeline and the branch of each water return pipeline, so that one set of circulating water system can be independently used for cooling the fan, the other set of circulating water system can provide cooling water for other production links and can be used for standby, and the problem of unbalanced water outlet and water return caused by the simultaneous application of the two circulating water systems is avoided.
The water temperature in the circulating water pool of the standby circulating water system is reduced by 3-4 ℃, and effective guarantee is provided for the normal operation of the blast furnace water cooling system.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
wherein, 1, a fan water pump I,2, a cooling tower I,3, a circulating water pool I,4 and a fan, and 5, a fan water pump II, 6, a cooling tower II, 7 and a circulating water pool II.
Detailed Description
The utility model is further described in detail below with reference to the attached drawings and specific examples:
the cooling system for the blast furnace fan is shown in fig. 1, and comprises a fan water pump I1 and a fan water pump II 5 which are respectively arranged in different water pump rooms, wherein water outlets of the fan water pump I1 and the fan water pump II 5 are respectively connected with a water inlet branch, the water inlet branch is connected with a water inlet of a fan 4 after being converged, and valves are arranged on the water inlet branch; the water outlet of the fan 4 is connected with a water return main path, the water return main path is divided into two paths before entering the water cooling tower, one path is connected with the water cooling tower I2, the other path is connected with the water cooling tower II 6, and valves are arranged on the two paths; the lower parts of the cooling tower I2 and the cooling tower II 6 are respectively provided with a circulating water tank I3 and a circulating water tank II 7, and the circulating water tank I3 and the circulating water tank II 7 are respectively connected with a fan water pump I1 and a fan water pump II 5; the fan water pump II 5 is connected with the cooling tower II 6 through a pipeline, and a valve is arranged on the pipeline.
The air outlet of the fan 4 is connected with a blast furnace through an air supply pipeline, and one or more fans can be arranged according to the working requirements of the blast furnace.
The circulating water pond I3 and the circulating water pond II 7 can provide cooling water for the blast furnace production system.
The application process comprises the following steps:
during normal application, the valve on the water inlet pipe branch between the fan water pump II 5 and the fan 4 and the valve on the water return branch between the fan 4 and the cooling tower II 6 are closed, the valve on the connection pipe between the fan water pump II 5 and the cooling tower II 6 is opened, the fan water pump II 5 pumps the circulating water in the circulating water tank II 7 into the cooling tower II 6, the circulating water in the cooling tower II 6 enters the circulating water tank II 7 again, the water temperature of the circulating water in the circulating water tank II 7 is reduced, and cooling water is provided for other production links. Simultaneously, a valve on a water inlet pipe branch between the fan water pump I1 and the fan 4 and a valve on a water return branch between the fan 4 and the cooling tower I2 are opened, and circulating water in the circulating water pool I3 is extracted by the fan water pump I1 to cool the fan 4.
When the fan water pump I1 is abnormal, a valve on a water inlet pipe branch between the fan water pump II 5 and the fan 4 and a valve on a water return branch between the fan 4 and the cooling tower II 6 are opened simultaneously, a valve on a connecting pipeline between the fan water pump II 5 and the cooling tower II 6 is closed, and circulating water in the circulating water pool II 7 is extracted by the fan water pump II 5 to cool the fan 4.
Claims (3)
1. A cooling system for a blast furnace fan is characterized in that: the water inlet pipe branch is connected with the water inlet of the fan (4) after converging, and valves are arranged on the water inlet pipe branches; the water outlet of the fan (4) is connected with a water return main pipeline, the water return main pipeline is divided into two paths before entering the water cooling tower, one path is connected with the water cooling tower I (2), the other path is connected with the water cooling tower II (6), and valves are arranged on the two paths; the circulating water tank I (3) and the circulating water tank II (7) are respectively arranged below the cooling tower I (2) and the cooling tower II (6), and the circulating water tank I (3) and the circulating water tank II (7) are respectively connected with the fan water pump I (1) and the fan water pump II (5); the fan water pump II (5) is connected with the cooling tower II (6) through a pipeline, and a valve is arranged on the pipeline.
2. The cooling system for a blast furnace fan according to claim 1, wherein: the air outlet of the fan (4) is connected with the blast furnace through an air supply pipeline.
3. The cooling system for a blast furnace fan according to claim 2, wherein: the fans (4) are arranged in parallel according to the working requirements of the blast furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681056.2U CN219888342U (en) | 2023-03-31 | 2023-03-31 | Cooling system for blast furnace fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681056.2U CN219888342U (en) | 2023-03-31 | 2023-03-31 | Cooling system for blast furnace fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888342U true CN219888342U (en) | 2023-10-24 |
Family
ID=88410868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320681056.2U Active CN219888342U (en) | 2023-03-31 | 2023-03-31 | Cooling system for blast furnace fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888342U (en) |
-
2023
- 2023-03-31 CN CN202320681056.2U patent/CN219888342U/en active Active
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