CN213454989U - Device for blocking high-temperature flue gas of metallurgical furnace - Google Patents
Device for blocking high-temperature flue gas of metallurgical furnace Download PDFInfo
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- CN213454989U CN213454989U CN202022358551.9U CN202022358551U CN213454989U CN 213454989 U CN213454989 U CN 213454989U CN 202022358551 U CN202022358551 U CN 202022358551U CN 213454989 U CN213454989 U CN 213454989U
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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
Abstract
The utility model relates to a block device of metallurgical stove high temperature flue gas belongs to metallurgical equipment technical field. The water-cooling gate plate is matched and arranged on the rail through a chute, a cooling water flow channel is arranged in the water-cooling gate plate, the water supply pipeline and the water return pipeline are connected with the cooling water flow channel, and the pulling-in winch and the pulling-out winch are arranged on the metallurgical furnace kiln and connected with the water-cooling gate plate through a chain; the utility model can rapidly block the flue gas when needed, reduce the internal temperature of the boiler flue and the rear-end equipment, and avoid the maintenance operation of the boiler and the rear-end equipment after the stop, slag discharge and cooling of the metallurgical furnace, thereby greatly shortening the cooling preparation time before maintenance; the normal heat preservation can be carried out, and the normal thermal expansion and cooling and the service life of the furnace brick can be ensured at the same time.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, in particular to block device of metallurgical furnace high temperature flue gas.
Background
The temperature of the smoke at the outlet of the metallurgical furnace kiln is as high as 1114 ℃, the flow rate of the smoke is as high as 30000Nm3/h, when the back-end equipment breaks down and needs to be overhauled, because the internal temperature of the equipment is high, an operator can not enter the interior of the equipment in a short time for overhauling operation, the metallurgical furnace is required to be shut down, slag is discharged, and the smoke can enter the equipment after being cooled for a long time for overhauling operation. The long-time cooling time after the furnace is stopped seriously restricts the production efficiency and the production cost, and meanwhile, the frequent furnace stopping and the heat preservation are carried out, and then the temperature is raised, which seriously influences the service life of the furnace bricks.
Disclosure of Invention
In order to overcome among the background art metallurgical furnace kiln back end equipment when breaking down and need overhaul, the blow-out time is long, seriously restrict production efficiency and manufacturing cost, heat up again after frequent blow-out keeps warm simultaneously, seriously influence the life's of stove brick problem, the utility model provides a block device of metallurgical furnace kiln high temperature flue gas, install at metallurgical furnace kiln to exhaust-heat boiler entry section department, block the flue gas fast when being convenient for need, reduce the inside temperature of boiler flue and back end equipment, shorten the cooling preparation time before overhauing in a large number, metallurgical furnace kiln need not promptly to put the sediment, normally keep warm can, can ensure the normal thermal expansion cold shrinkage of stove brick and life simultaneously.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a block device of metallurgical furnace high temperature flue gas mainly includes metallurgical furnace, track, water-cooling flashboard, water supply pipe, return water pipeline, draws in the hoist engine, drags out the hoist engine, track fixed mounting on metallurgical furnace, the water-cooling flashboard passes through the spout and matches the installation on the track, the inside cooling water runner of establishing of water-cooling flashboard, water supply pipe is connected with cooling water runner water inlet, return water pipeline and cooling water runner are connected at the mouth of a river, draw in the hoist engine and drag out the hoist engine and install respectively in water-cooling flashboard both sides on metallurgical furnace, draw in the hoist engine and drag out the hoist engine and pass through the chain and be connected with the water-cooling flash.
The water supply pipeline and the water return pipeline are connected with the cooling water flow channel through metal hoses.
And valves are respectively arranged on the water supply pipeline and the water return pipeline.
And a safety valve and a field pressure gauge are arranged on the water supply pipeline.
The utility model has the advantages that:
the utility model can rapidly block the flue gas when needed, reduce the internal temperature of the boiler flue and the rear-end equipment, and avoid the maintenance operation of the boiler and the rear-end equipment after the stop, slag discharge and cooling of the metallurgical furnace, thereby greatly shortening the cooling preparation time before maintenance; the normal heat preservation can be realized, and the normal thermal expansion and cooling and the service life of the furnace brick can be ensured at the same time; the water-cooling flashboard is dragged by the winch, so that the operation is simple and the working efficiency is high; the water-cooling flashboard is connected with an external pipeline through a metal hose, so that the water-cooling flashboard can be conveniently pulled in and pulled out, the required operation space is small, and the operation of other nearby equipment is not influenced.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is the schematic diagram of the installation of the station of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
The utility model discloses a device for blocking high-temperature flue gas of a metallurgical furnace, which mainly comprises a metallurgical furnace 1, a track 2, a water-cooling flashboard 3, a water supply pipeline 4, a water return pipeline 5, a drawing-in winch 6 and a drawing-out winch 7, wherein the track 2 is fixedly arranged on the metallurgical furnace 1, and the water-cooling flashboard 3 is arranged on the track 2 through a chute in a matching way, so that the water-cooling flashboard can move directionally; a cooling water flow passage is arranged in the water-cooling flashboard 3, the water supply pipeline 4 is connected with a water inlet of the cooling water flow passage, the water return pipeline 5 is connected with a water outlet of the cooling water flow passage, the pull-in winch 6 and the pull-out winch 7 are arranged on the metallurgical furnace 1 and are respectively positioned at two sides of the water-cooling flashboard 3, and the pull-in winch 6 and the pull-out winch 7 are connected with the water-cooling flashboard 3 through chains, so that the operation and the driving are convenient; wherein the cooling water is supplied separately by the circulating water pump room; the smoke can be blocked quickly when needed, the internal temperature of a boiler flue and rear-section equipment is reduced, the overhaul operation of the boiler and the rear-section equipment after the metallurgical furnace is stopped, slag is discharged and cooled is not needed, and the cooling preparation time before overhaul is greatly shortened; the normal heat preservation can be realized, and the normal thermal expansion and cooling and the service life of the furnace brick can be ensured at the same time; the water-cooling flashboard is dragged by the winch, so that the operation is simple and the working efficiency is high; the water-cooling flashboard is connected with an external pipeline through a metal hose, so that the water-cooling flashboard can be conveniently pulled in and pulled out, the required operation space is small, and the operation of other nearby equipment is not influenced.
The water supply pipeline 4 and the water return pipeline 5 are connected with a cooling water flow channel through metal hoses; the water-cooling flashboard is convenient to move.
The water supply pipeline 4 and the water return pipeline 5 are respectively provided with a valve 8; the cooling water can be conveniently cut off when the equipment does not work.
The water supply pipeline 4 is provided with a safety valve and a field pressure gauge, so that pipe explosion caused by pipeline blockage or over-high pressure is prevented, and production safety is guaranteed.
The working process is as follows:
when the boiler and the section equipment need to be overhauled, or under emergency conditions such as boiler water wall pipe explosion, only the skirt cover needs to be lifted, the water-cooling gate plate is dragged to the 10 position of the boiler inlet channel through the winch, high-temperature smoke can be quickly prevented from entering the boiler flue and the rear section equipment, the internal temperature of the equipment is reduced, the safe overhauling environment is guaranteed, and the service life of furnace bricks is guaranteed. After the metallurgical furnace is overhauled, the dragging winch drags out the water-cooling flashboard, the skirt cover is put down, high-temperature flue gas passes through the flue of the waste heat boiler to exchange heat, and the normal steam production of the waste heat boiler can be ensured.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a block device of metallurgical stove high temperature flue gas, includes metallurgical stove (1), its characterized in that: still include track (2), water-cooling flashboard (3), water supply pipe (4), return water pipeline (5), draw in hoist engine (6), drag out hoist engine (7), track (2) fixed mounting on metallurgical kiln (1), water-cooling flashboard (3) are installed on track (2) through the spout matching, the inside cooling water runner of establishing of water-cooling flashboard (3), water supply pipe (4) are connected with cooling water runner water inlet, return water pipeline (5) are connected with cooling water runner outlet, draw in hoist engine (6) and drag out hoist engine (7) and install respectively in water-cooling flashboard (3) both sides on metallurgical kiln (1), draw in hoist engine (6) and drag out hoist engine (7) and be connected with water-cooling flashboard (3) through the chain.
2. The device for blocking the high-temperature flue gas of the metallurgical furnace kiln as claimed in claim 1, wherein: the water supply pipeline (4) and the water return pipeline (5) are connected with the cooling water flow channel through metal hoses.
3. The device for blocking the high-temperature flue gas of the metallurgical furnace kiln as claimed in claim 1 or 2, wherein: and valves (8) are respectively arranged on the water supply pipeline (4) and the water return pipeline (5).
4. The device for blocking the high-temperature flue gas of the metallurgical furnace kiln according to claim 3, wherein: and a safety valve and a field pressure gauge are arranged on the water supply pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358551.9U CN213454989U (en) | 2020-10-21 | 2020-10-21 | Device for blocking high-temperature flue gas of metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358551.9U CN213454989U (en) | 2020-10-21 | 2020-10-21 | Device for blocking high-temperature flue gas of metallurgical furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213454989U true CN213454989U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022358551.9U Active CN213454989U (en) | 2020-10-21 | 2020-10-21 | Device for blocking high-temperature flue gas of metallurgical furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213454989U (en) |
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2020
- 2020-10-21 CN CN202022358551.9U patent/CN213454989U/en active Active
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