CN108977600A - A kind of blast furnace intensity of cooling segmented control system - Google Patents
A kind of blast furnace intensity of cooling segmented control system Download PDFInfo
- Publication number
- CN108977600A CN108977600A CN201811146911.XA CN201811146911A CN108977600A CN 108977600 A CN108977600 A CN 108977600A CN 201811146911 A CN201811146911 A CN 201811146911A CN 108977600 A CN108977600 A CN 108977600A
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- Prior art keywords
- cooling
- cooling wall
- wall component
- blast furnace
- intensity
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
- C21B7/106—Cooling of the furnace bottom
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
A kind of blast furnace intensity of cooling segmented control system of the present invention is related to blast furnace in metallurgy industry and cools down technical field, more particularly to a kind of blast furnace intensity of cooling segmented control system, including the first cooling wall component being arranged on cupola well and the second cooling wall component, water main and the return main that are arranged on shaft, the first cooling wall component and the second cooling wall component are interconnected；The first cooling wall component includes successively interconnected multiple cooling walls；The present invention is easy to use, sub-sectional cooling is carried out to the cupola well of blast furnace and shaft respectively using interconnected the first cooling wall component and the second cooling wall component, the intensity of cooling of the second cooling wall is controlled using shunting return pipe simultaneously, realize the intensity of cooling Discrete control of cupola well and shaft, reach and can satisfy each position of blast furnace to the different demands of intensity of cooling, both the safe operation for having ensured cupola well also ensures that the reasonable intensity of cooling of shaft.
Description
Technical field
The present invention relates to blast furnaces in metallurgy industry to cool down technical field, and in particular to a kind of blast furnace intensity of cooling segmented control
System processed.
Background technique
The cooling equipment of blast furnace is to guarantee that blast furnace is invaded from high-temperature heat flux, so that the key for obtaining long service life is set
It is standby, and rationally effective cooling water pipeline system is the premise that cooling equipment is able to play a role.
The thermic load difference of blast furnace different height parts in process of production is quite greatly different, it is however generally that, furnace bottom cupola well heat
Load is small, and fluctuation is small, is needed in production according to blast furnace situation regulating pondage, and shaft thermic load is larger, and fluctuation is also larger, generally needs
Want biggish water supply.
For existing blast furnace cooling system using the form of " Bubukao ", entire water pipe water is all the same from bottom to up at present, and
Each section of the blast furnace requirement to intensity of cooling (water) be not identical, in particular to the middle and later periods of blast fumance, in order to ensure cupola well
Safety in production, cupola well must have enough intensities of cooling.After the increasing of cupola well water, shaft intensity of cooling is because that cannot control
System, often appearance leads to the economic skill that furnace wall bonds or knot is thick, stablizes and has obtained to the type of furnace of blast furnace because intensity of cooling is excessive
Art index brings significant impact.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of easy to use, by reaching energy for intensity of cooling Discrete control
Enough meet each position of blast furnace to the different demands of intensity of cooling, had both ensured the safe operation of cupola well, and also ensured that shaft rationally cooled down
A kind of blast furnace intensity of cooling segmented control system of intensity.
A kind of blast furnace intensity of cooling segmented control system of the present invention, including the first cooling wall component being arranged on cupola well
With the second cooling wall component, water main and the return main being arranged on shaft, the first cooling wall component and the second cooling wall
Component is interconnected；
The first cooling wall component includes successively interconnected multiple cooling walls, wherein being located at cooling wall and the water supply of head end
General pipeline is connected, and the cooling wall positioned at tail end is connected with the second cooling wall component；
The second cooling wall component includes several successively interconnected cooling walls, is located at head end in the second cooling wall component
Cooling wall in the first cooling wall component be located at tail end cooling wall be connected, in the second cooling wall component positioned at tail end cooling
Wall is connected by collector pipe with return main；
The return main is arranged at the top of shaft, and return main and water main are interconnected by cooling tube, on cooling tube
It is provided with cooling device and circulating pump, cooling device is evaporating air cooler；
Further include that several shunt return pipes, described one end for shunting return pipe be located at tail end in the first cooling wall component
Cooling wall is connected, and the other end is connected with collector pipe；
Flow control valve is provided on the shunting return pipe.
Preferably, it is connected by four collector pipes with return main in the second cooling wall component positioned at the cooling wall of tail end；
The shunting return pipe is also configured as four, shunts the one end of return pipe far from the first cooling wall component and shunts back respectively with four
Water pipe is connected.
Preferably, it shunts on return pipe and is also provided with flow meters.
Or preferably, the first cooling wall component includes two successively interconnected cooling walls.
Or preferably, the second cooling wall component includes 12 successively interconnected cooling walls.
The present invention is easy to use, using interconnected the first cooling wall component and the second cooling wall component respectively to blast furnace
Cupola well and shaft carry out sub-sectional cooling, while the intensity of cooling of the second cooling wall is controlled using return pipe is shunted, it is real
The intensity of cooling Discrete control of existing cupola well and shaft, reaches and can satisfy each position of blast furnace to the different demands of intensity of cooling, both
The safe operation for ensuring cupola well also ensures that the reasonable intensity of cooling of shaft.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Specific embodiment
A kind of blast furnace intensity of cooling segmented control system of the present invention, including the first cooling wall component being arranged on cupola well
With the second cooling wall component, water main and the return main being arranged on shaft, the first cooling wall component and the second cooling wall
Component is interconnected；
The first cooling wall component includes successively interconnected multiple cooling walls, wherein being located at cooling wall and the water supply of head end
General pipeline is connected, and the cooling wall positioned at tail end is connected with the second cooling wall component；
The second cooling wall component includes several successively interconnected cooling walls, is located at head end in the second cooling wall component
Cooling wall in the first cooling wall component be located at tail end cooling wall be connected, in the second cooling wall component positioned at tail end cooling
Wall is connected by collector pipe with return main；
The return main is arranged at the top of shaft, and return main and water main are interconnected by cooling tube, on cooling tube
It is provided with cooling device and circulating pump, cooling device is evaporating air cooler；
Further include that several shunt return pipes, described one end for shunting return pipe be located at tail end in the first cooling wall component
Cooling wall is connected, and the other end is connected with collector pipe；
Flow control valve is provided on the shunting return pipe.
It is connected by four collector pipes with return main in second cooling wall component positioned at the cooling wall of tail end；The shunting
Return pipe is also configured as four, shunt the one end of return pipe far from the first cooling wall component respectively with four shunting return pipe phases
Even.
It shunts and is also provided with flow meters on return pipe.First cooling wall component include successively interconnected two it is cold
But wall.Second cooling wall component includes 12 successively interconnected cooling walls.
In use, after cooling water enters water main, sequentially enters after the cooling wall in the first cooling wall component and flows out,
Through the first cooling wall component outflow after cooling water be divided into two-way: all the way by four shunting return pipes respectively by with four points
It flows back to the collector pipe that water pipe is connected to enter, adjusts four flow control valves shunted on return pipe, another way sequentially enters
In cooling wall in second cooling wall component, and enter in return main eventually by four collector pipes；Adjust flow control valve
Door realizes the adjusting to the cooling water flow entered in the second cooling wall component, and then realizes the tune to shaft intensity of cooling
Section, in order to realize the recycling of cooling water, the recycling of cooling water is realized using cooling device and circulating pump；
The cooling water water that the present invention can flow out the first cooling wall shunts 20% or more, and changing original design cannot be segmented
The status for controlling intensity of cooling, meets each position of blast furnace to the different demands of intensity of cooling.The cooling of cupola well is strengthened, effectively
Prevent the generation of the accidents such as hearth breakout in ground.The intensity of cooling of shaft rationally controls, and avoids furnace wall bonding thick with knot, maintains furnace
The stabilization of type promotes the stable smooth operation of the working of a furnace, has energetically meaning for the economic and technical norms obtained.
Claims (5)
1. a kind of blast furnace intensity of cooling segmented control system, which is characterized in that including the first cooling wall being arranged on cupola well
Component and the second cooling wall component, water main and the return main being arranged on shaft, the first cooling wall component and second cold
But wall component is interconnected；
The first cooling wall component includes successively interconnected multiple cooling walls, wherein being located at cooling wall and the water supply of head end
General pipeline is connected, and the cooling wall positioned at tail end is connected with the second cooling wall component；
The second cooling wall component includes several successively interconnected cooling walls, is located at head end in the second cooling wall component
Cooling wall in the first cooling wall component be located at tail end cooling wall be connected, in the second cooling wall component positioned at tail end cooling
Wall is connected by collector pipe with return main；
The return main is arranged at the top of shaft, and return main and water main are interconnected by cooling tube, on cooling tube
It is provided with cooling device and circulating pump；
Further include that several shunt return pipes, described one end for shunting return pipe be located at tail end in the first cooling wall component
Cooling wall is connected, and the other end is connected with collector pipe；
Flow control valve is provided on the shunting return pipe.
2. a kind of blast furnace intensity of cooling segmented control system as described in claim 1, which is characterized in that second cooling wall
It is connected by four collector pipes with return main in component positioned at the cooling wall of tail end；The shunting return pipe is also configured as four
It is a, it shunts the one end of return pipe far from the first cooling wall component and is connected respectively with four shunting return pipes.
3. a kind of blast furnace intensity of cooling segmented control system as claimed in claim 2, which is characterized in that the shunting return pipe
On be also provided with flow meters.
4. a kind of blast furnace intensity of cooling segmented control system as described in claim 1-3 any one, which is characterized in that described
First cooling wall component includes two successively interconnected cooling walls.
5. a kind of blast furnace intensity of cooling segmented control system as described in claim 1-3 any one, which is characterized in that described
Second cooling wall component includes 12 successively interconnected cooling walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146911.XA CN108977600A (en) | 2018-09-29 | 2018-09-29 | A kind of blast furnace intensity of cooling segmented control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146911.XA CN108977600A (en) | 2018-09-29 | 2018-09-29 | A kind of blast furnace intensity of cooling segmented control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108977600A true CN108977600A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146911.XA Pending CN108977600A (en) | 2018-09-29 | 2018-09-29 | A kind of blast furnace intensity of cooling segmented control system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT6277U1 (en) * | 2002-08-20 | 2003-07-25 | Voest Alpine Ind Anlagen | COOLING PLATE FOR METALLURGICAL OVENS |
| CN203320034U (en) * | 2013-06-14 | 2013-12-04 | 武汉钢铁(集团)公司 | Large-scale blast furnace hearth soft water cooling treatment device |
| CN203429188U (en) * | 2013-05-22 | 2014-02-12 | 中冶南方工程技术有限公司 | Two-section blast furnace soft water cooling system capable of adjusting water volume |
| CN203820813U (en) * | 2014-04-29 | 2014-09-10 | 武汉钢铁(集团)公司 | Cooling wall structure of joint part of bosh and hearth of blast furnace |
-
2018
- 2018-09-29 CN CN201811146911.XA patent/CN108977600A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT6277U1 (en) * | 2002-08-20 | 2003-07-25 | Voest Alpine Ind Anlagen | COOLING PLATE FOR METALLURGICAL OVENS |
| CN203429188U (en) * | 2013-05-22 | 2014-02-12 | 中冶南方工程技术有限公司 | Two-section blast furnace soft water cooling system capable of adjusting water volume |
| CN203320034U (en) * | 2013-06-14 | 2013-12-04 | 武汉钢铁(集团)公司 | Large-scale blast furnace hearth soft water cooling treatment device |
| CN203820813U (en) * | 2014-04-29 | 2014-09-10 | 武汉钢铁(集团)公司 | Cooling wall structure of joint part of bosh and hearth of blast furnace |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |