CN219546996U - Hot blast valve cooling device of hot blast stove - Google Patents
Hot blast valve cooling device of hot blast stove Download PDFInfo
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- CN219546996U CN219546996U CN202320599232.8U CN202320599232U CN219546996U CN 219546996 U CN219546996 U CN 219546996U CN 202320599232 U CN202320599232 U CN 202320599232U CN 219546996 U CN219546996 U CN 219546996U
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- valve
- circulating
- hot blast
- standby
- water supply
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- 238000001816 cooling Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000000498 cooling water Substances 0.000 description 11
- 239000008234 soft water Substances 0.000 description 9
- 239000008235 industrial water Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a hot blast stove hot blast valve cooling device, which comprises a circulating cooling pipeline, wherein the circulating cooling pipeline comprises a circulating water supply bag, a circulating water supply valve, a circulating water return bag and a circulating water return valve; the water treatment device is characterized by further comprising a standby pipeline and a drainage tank, wherein the standby pipeline comprises a standby water bag and a standby valve, the standby water bag is connected with the standby valve, the standby valve is connected with a circulating water supply valve, and the drainage tank is connected to a circulating water return valve through a drainage pipe; the utility model realizes the cooling of the standby water source at each water using position of the hot blast valve through the standby pipeline and the water draining groove, can be switched at any time, does not affect other users of the circulating cooling system of the hot blast stove, has simple structure, and is easy to realize and popularize.
Description
Technical Field
The utility model relates to the technical field of iron-making equipment, in particular to a hot blast valve cooling device of a hot blast stove.
Background
In the blast furnace smelting process, the main process of the hot blast furnace system is to burn coal gas to generate hot air, the hot air enters the blast furnace through an air supply system, a hot air valve is an important air supply device in the operation process of the hot blast furnace, a valve body is in contact with high-temperature high-pressure hot air (1150 ℃) for a long time, a closed-circuit circulating pump station is established for water supply cooling in the original design, circulating water is desalted water, and once a single valve body fails and leaks, the water supply of the circulating water system is insufficient, so that the cooling of other valve bodies is affected.
Chinese patent publication No. CN112251558B discloses a hot blast valve cooling water system capable of on-line switching, comprising a blast furnace water pump house and a hot blast valve; the blast furnace water pump house is respectively connected with the hot blast valve soft water and the industrial water supply distribution package through the soft water supply main pipe and the industrial water supply main pipe; the hot air valve soft water supply distribution bag is connected with the hot air valve through three paths of soft water supply branch pipes, and each path of soft water supply branch pipe is provided with a water supply three-way valve; the hot blast valve is connected with a hot blast valve soft water return distribution bag through three soft water return branch pipes, and then is connected into a blast furnace water pump room through a soft water return main pipe, and a return water three-way valve is arranged on each soft water return branch pipe; the hot air valve industrial water supply distribution bag is communicated with the three water supply three-way valves through three industrial water supply branch pipes; each return three-way valve is connected with the hot blast valve industrial water return distribution package through one industrial water return branch pipe and is connected with the blast furnace water pump room through the industrial water return main pipe; however, the pipeline of the patent equipment is complex, and the reconstruction and maintenance cost is high when the number of the on-site hot air valves is large.
Chinese patent publication No. CN213203098U discloses a hot blast valve cooling device comprising: cooling water channel, feed liquor pipe and blow off pipe. The cooling water channel is used for cooling the hot air valve, and is respectively communicated with a water inlet pipe and a water outlet pipe; the water outlet pipe is provided with a first switch piece. The liquid inlet pipe is connected to the water inlet pipe; the liquid inlet pipe is used for injecting a scale remover into the cooling water channel. The drain pipe is connected on the outlet pipe and is located the front side of first switch spare, and the drain pipe is used for discharging the incrustation scale in the cooling water course. In the hot blast valve cooling device provided by the utility model, the scale remover and the liquid in the liquid inlet pipe enter the cooling water channel together, scale in the cooling water channel is cleaned, the produced scale is discharged through the drain pipe, and impurities are discharged from the drain pipe. However, the failure of the check valve in the patent leaks, and the cooling system device has insufficient water supply, which affects the cooling of the hot air valve body.
Disclosure of Invention
The utility model provides a hot blast stove hot blast valve cooling device, which is characterized in that a spare water source is arranged at each water consumption part of a hot blast valve for cooling by installing a spare water bag, a spare valve and a drainage tank, so that the hot blast stove hot blast valve cooling device can be switched at any time, and other users of a hot blast stove circulating cooling system are not affected.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the hot blast stove hot blast valve cooling device comprises a circulating cooling pipeline, wherein the circulating cooling pipeline comprises a circulating water supply bag, a circulating water supply valve, a circulating water return bag and a circulating water return valve, the circulating water supply bag is connected with the circulating water supply valve, the circulating water return bag is connected with the circulating water return valve, the circulating water supply valve is connected with the hot blast valve through the water supply pipeline, and the circulating water return valve is connected with the hot blast valve through the water return pipeline; the water storage device is characterized by further comprising a standby pipeline and a drainage tank, wherein the standby pipeline comprises a standby water bag and a standby valve, the standby water bag is connected with the standby valve, the standby valve is connected with a circulating water supply valve, and the drainage tank is connected to a circulating backwater valve through a drainage pipe.
Further, the circulating cooling pipeline is divided into three paths, and the valve handle, the flange and the shell of the hot air valve are respectively cooled in a circulating way; the standby pipelines are correspondingly divided into three paths, and each path of standby pipeline is connected with a circulating water supply valve of the corresponding circulating cooling pipeline; the drainage tank is correspondingly provided with three drainage pipes, and each drainage pipe is respectively connected with a corresponding circulating backwater valve.
Further, the circulating water supply valve adopts a three-way valve.
Further, the circulating backwater valve adopts a three-way valve.
Compared with the prior art, the utility model has the beneficial effects that:
1) The standby water sources are arranged at all water using positions of the hot blast valve for cooling through installing the standby water bags, the standby valve and the water draining groove;
2) When the circulating water supply valve and the circulating water return valve are in failure, the circulating water supply valve and the circulating water return valve can be switched at any time, so that other users of the closed-circuit circulating cooling system of the hot blast stove are not affected;
3) The device has simple structure, can be modified on the basis of the original system, has small modification amount and is easy to realize and popularize.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. the hot air valve 2, the circulating water supply bag 3, the circulating water return bag 4, the circulating water supply valve 5, the circulating water return valve 6, the spare water bag 7, the drainage tank 8 and the spare valve
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of the structure of the present utility model. The utility model relates to a hot blast stove hot blast valve cooling device, which comprises a circulating water supply bag 2, a circulating water supply valve 4, a circulating water return bag 3, a circulating water return valve 5, a spare water bag 6, a spare valve 8 and a drainage tank 7, wherein the circulating water supply bag 2, the circulating water supply valve 4, the circulating water return bag 3 and the circulating water return valve 5 form a circulating cooling pipeline, the circulating cooling pipeline is divided into three paths, circulating cooling water is respectively provided for a valve handle, a flange and a shell of the hot blast valve 1 for cooling, and the circulating water supply valve 4 and the circulating water return valve 5 are all three-way valves.
The standby water bag 6, the standby valve 8 and the water draining tank 7 are arranged near a hot air valve closed circulation water supply and return pipeline, the standby pipeline is correspondingly divided into three paths, and each path of standby pipeline is connected with a circulation water supply valve of a corresponding circulation cooling pipeline; the water draining groove is correspondingly provided with three paths of water draining pipes, and each path of water draining pipe is respectively connected with a circulating water return valve of the corresponding circulating cooling pipeline; when the closed circulation water supply and return pipeline of the hot air valve fails, the valve body is damaged or the system is insufficient in water replenishing, the standby valve 8 is opened, the circulation cooling water supply pipeline is cut off, cooling water in the standby water bag 6 is supplied to the hot air valve 1 for cooling, and the cooling water is discharged into the water discharge groove 7 through the three-way water discharge pipe after cooling.
After the fault treatment is finished, the circulating cooling pipeline is opened, and the standby valve 8 is closed.
The above examples are implemented on the premise of the technical scheme of the present utility model, and detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the above examples. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (4)
1. The hot blast stove hot blast valve cooling device comprises a circulating cooling pipeline, wherein the circulating cooling pipeline comprises a circulating water supply bag, a circulating water supply valve, a circulating water return bag and a circulating water return valve, the circulating water supply bag is connected with the circulating water supply valve, the circulating water return bag is connected with the circulating water return valve, the circulating water supply valve is connected with the hot blast valve through the water supply pipeline, and the circulating water return valve is connected with the hot blast valve through the water return pipeline; the water storage device is characterized by further comprising a standby pipeline and a drainage tank, wherein the standby pipeline comprises a standby water bag and a standby valve, the standby water bag is connected with the standby valve, the standby valve is connected with a circulating water supply valve, and the drainage tank is connected to a circulating backwater valve through a drainage pipe.
2. The hot blast stove hot blast valve cooling device according to claim 1, wherein the circulating cooling pipeline is divided into three paths for respectively circulating cooling a valve handle, a flange and a shell of the hot blast valve; the standby pipelines are correspondingly divided into three paths, and each path of standby pipeline is connected with a circulating water supply valve of the corresponding circulating cooling pipeline; the drainage tank is correspondingly provided with three drainage pipes, and each drainage pipe is respectively connected with a corresponding circulating backwater valve.
3. A hot blast stove hot blast valve cooling device according to claim 1, wherein said circulation water supply valve is a three-way valve.
4. The hot blast stove cooling device according to claim 1, wherein said circulating backwater valve is a three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320599232.8U CN219546996U (en) | 2023-03-23 | 2023-03-23 | Hot blast valve cooling device of hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320599232.8U CN219546996U (en) | 2023-03-23 | 2023-03-23 | Hot blast valve cooling device of hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219546996U true CN219546996U (en) | 2023-08-18 |
Family
ID=87728818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320599232.8U Active CN219546996U (en) | 2023-03-23 | 2023-03-23 | Hot blast valve cooling device of hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219546996U (en) |
-
2023
- 2023-03-23 CN CN202320599232.8U patent/CN219546996U/en active Active
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