CN109468421A - One kind being horizontally staggered adjustable blast-furnace soft water cooling system - Google Patents
One kind being horizontally staggered adjustable blast-furnace soft water cooling system Download PDFInfo
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- CN109468421A CN109468421A CN201910022455.6A CN201910022455A CN109468421A CN 109468421 A CN109468421 A CN 109468421A CN 201910022455 A CN201910022455 A CN 201910022455A CN 109468421 A CN109468421 A CN 109468421A
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- cooling
- cooling wall
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- furnace shell
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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
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- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses one kind to be horizontally staggered adjustable blast-furnace soft water cooling system, belongs to blast furnace ironmaking water-treatment technology field.The present invention includes furnace shell, the inside of the furnace shell is surrounded with cooling wall, cooling wall is internally provided with cooling wall inner cooling channel, the outside of the furnace shell is respectively arranged with water main and return main, the output end of water main is connected with subfeeder, and the input terminal of the return main is connected with return branch.For cooling wall aperture and cooling wall inner cooling channel is arranged in the horizontal direction in the present invention, the intensity effect very little that aperture generates furnace shell, while enhancing cooling wall cooling effect, improve the service life of furnace shell, cooling system soft water flows in the horizontal direction inside cooling wall, each horizontal absolute altitude is provided with a relatively independent cooling circuit unit, and the cooling water inflow of each circuit units is adjustable, and the specific aim for carrying out intensity of cooling so as to the inside different parts to furnace shell is adjusted.
Description
Technical field
The present invention relates to blast furnace ironmaking water-treatment technology fields, are horizontally staggered adjustable height more specifically to one kind
Furnace soft water cooling system.
Background technique
Blast furnace ironmaking needs to be cooled down furnace wall with water to protect last furnace shell, and soft water closed circulating system is that current blast furnace is general
All over the type of cooling used.Current blast-furnace soft water cooling system generallys use the mode of bottom house water inlet top water outlet, uses
In terms of there is following two in this water intake mode: first is that due to blast furnace from the bottom up each position heat load intensity not
Together, the intensity of cooling needed is also different, but the type of cooling of lower part water inlet top water outlet leads to blast furnace each position from the bottom up
Cooling water inflow is all the same, and intensity of cooling can not be adjusted, and causes the not genial unnecessary heat consumption of conditions of blast furnace.Second is that under
The cooling wall of the type of cooling of portion's water inlet top water outlet must open a circle lateral aperture on furnace shell, if too secret meeting is arranged in lateral aperture
Furnace shell intensity is influenced, to guarantee that furnace shell intensity must assure that furnace shell horizontal bore saves certain spacing, leads to soft water cooling
The cooling effect of system reduces.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides one kind, to be horizontally staggered adjustable blast-furnace soft water cold
But for cooling wall aperture and cooling wall inner cooling channel is arranged in the horizontal direction in system, the invention, replaces in the past in cooling wall
The operating method of surface vertical direction aperture, the intensity effect very little that aperture generates furnace shell, can also reduce cooling water pipe
Spacing improves the service life of furnace shell while enhancing cooling wall cooling effect, avoids equipment impaired.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
One kind of the invention is horizontally staggered adjustable blast-furnace soft water cooling system, including furnace shell, the inside of the furnace shell
It is surrounded with cooling wall, cooling wall is internally provided with cooling wall inner cooling channel, is provided between horizontally adjacent cooling wall
Connecting leg between cooling wall, between the cooling wall both ends of connecting leg respectively with it is cooling logical in the cooling wall inside the cooling wall of its two sides
Road is connected；
The outside of the furnace shell is respectively arranged with water main and return main, the output end of water main be connected with to
The output end of water branch pipe, subfeeder is connected to the input terminal of cooling wall inner cooling channel, the input terminal of the return main
It is connected with return branch, the input terminal of return branch is connected to the output end of cooling wall inner cooling channel.
Further, the inside of the furnace shell is arranged at intervals with 10 to 20 layers of cooling wall assembly, and every layer of cooling wall is total
At by 10 to 60 pieces of identical cooling walls, around forming, the cooling wall inside of monolithic includes 2 to 10 cooling wall inner cooling channels.
Further, the cooling wall inner cooling channel is located inside cooling wall, and cooling wall inner cooling channel is level
Channel all extends to the outside of furnace shell, water inlet and water supply comprising a water inlet and a water outlet, inlet and outlet
Branch pipe is connected, and water outlet is connected with return branch.
Further, the water main and return main are vertically arranged in the outside of furnace shell.
Further, the outer surface of the subfeeder or return branch is equipped with flow control valve.
Further, connecting leg uses steel pipe or metal hose between the cooling wall, and connecting leg is mounted on furnace shell between cooling wall
Outside.
Further, connecting leg, return water are total between the water main, subfeeder, cooling wall inner cooling channel, cooling wall
Pipe and return branch constitute a cooling circuit unit, and every group of cooling circuit unit is on same level absolute altitude, and vertical phase
Soft water flow direction inside two groups of adjacent cooling circuit units is opposite.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
For cooling wall aperture and cooling wall inner cooling channel is arranged in the horizontal direction in the present invention, replaces in the past in cooling wall
The operating method of surface vertical direction aperture, the intensity effect very little that aperture generates furnace shell, can also reduce cooling water pipe
Spacing improves the service life of furnace shell while enhancing cooling wall cooling effect, it is impaired to avoid equipment, and cooling system is soft
Cooling wall inner cooling channel of the water inside cooling wall in the horizontal direction carries out bottom horizontal flow sheet, and each horizontal absolute altitude is provided with one
A relatively independent cooling circuit unit, the cooling water inflows of each circuit units is adjustable, so as to according to the inside of furnace shell not
The specific aim that intensity of cooling is carried out with the heat load intensity at position is adjusted.
Detailed description of the invention
Fig. 1 is horizontal section structure chart of the invention；
Fig. 2 is that plan view is unfolded at A of the invention；
Fig. 3 is enlarged drawing at B of the invention.
In figure: 1, water main；2, return main；3, subfeeder；4, return branch；5, flow control valve；6, cooling
Connecting leg between wall；7, cooling wall；8, cooling wall inner cooling channel；9, furnace shell.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
From Fig. 1-3 as can be seen that one kind of the present embodiment is horizontally staggered adjustable blast-furnace soft water cooling system, including furnace shell
9, the inside of furnace shell 9 is surrounded with cooling wall 7, and cooling wall 7 is internally provided with cooling wall inner cooling channel 8, mutually horizontal
Cooling wall 7 is arranged at intervals with 10 to 20 layers of cooling wall assembly around one annular cooling wall assembly of construction, the inside of furnace shell 9,
Every layer of cooling wall assembly, around forming, includes 2 to 10 inside the cooling wall 7 of monolithic by 10 to 60 pieces of identical cooling walls 7
Cooling wall inner cooling channel 8 is provided with connecting leg 6 between cooling wall between horizontally adjacent cooling wall 7, and connecting leg 6 uses between cooling wall
Steel pipe or metal hose, connecting leg 6 is mounted on the outside of furnace shell 9 between cooling wall, between cooling wall the both ends of connecting leg 6 respectively with its two sides
Cooling wall 7 inside cooling wall inner cooling channel 8 be connected.
The outside of furnace shell 9 is respectively arranged with water main 1 and return main 2, and the output end of water main 1 is connected with water supply
The output end of branch pipe 3, subfeeder 3 is connected to the input terminal of cooling wall inner cooling channel 8, the input terminal connection of return main 2
There is return branch 4, the input terminal of return branch 4 is connected to the output end of cooling wall inner cooling channel 8, cooling wall inner cooling channel
8 are located inside cooling wall 7, and cooling wall inner cooling channel 8 is horizontal channel, include a water inlet and a water outlet, water inlet
Mouth and water outlet all extend to the outside of furnace shell 9, and water inlet is connected with subfeeder 3, and water outlet is connected with return branch 4.
Water main 1 and return main 2 are vertically arranged in the outside of furnace shell 9, subfeeder 3 or return branch 4 it is outer
Surface is equipped with flow control valve 5, carries out real-time monitoring convenient for observation water flow, water main 1, subfeeder 3, cooling wall
Connecting leg 6, return main 2 and return branch 4 constitute a cooling circuit unit between inner cooling channel 8, cooling wall, and every group cools back
Road unit is on same level absolute altitude, and the soft water flow direction inside vertical two groups of adjacent cooling circuit units is opposite.
Soft water provides soft water, return branch 4 to subfeeder 3 from soft water pump house, water main 1 in water main 1
Interior soft water is back to return main 2, and soft water flows back to soft water pump house in return main 2, and mutually horizontal cooling wall 7 is around construction one
There are several layers cooling wall assembly, giving on same level absolute altitude in the cooling wall assembly of a annular, the inside of the furnace shell 9 of every seat height furnace
Water branch pipe 3, return branch 4,1 return main 2 of water main, connecting leg 6 between flow control valve 5 and several connected cooling walls
A cooling circuit unit is formed with cooling wall inner cooling channel 8, then has several layers are independent to cool back inside cooling wall assembly
Road unit, by taking individual cooling circuit unit as an example, firstly, the soft water from soft water pump house enters water main 1, soft water is being given
Supply mains 1 is flowed from the bottom up, soft in cooling circuit unit in the cooling circuit unit for sequentially entering different horizontal absolute altitudes
Water is taken away the heat in cooling wall 7, then pass through by connecting leg 6 between subfeeder 3, cooling wall inner cooling channel 8 and cooling wall
Return branch 4 enters return main 2, and the soft water in return main 2 flows into soft water pump house from top to bottom, by being located at water supply
Flow control valve 5 on branch pipe 3 or return branch 4 adjusts the soft water flux in cooling circuit unit and adjusts furnace shell 9 to reach
The purpose of internal different parts intensity of cooling.
For cooling wall 7 aperture and cooling wall inner cooling channel 8 is arranged in the horizontal direction in the present invention, replaces in the past in cooling
The operating method of 7 surface vertical direction aperture of wall, the intensity effect very little that aperture generates furnace shell 9 can also reduce cooling water
The spacing of pipe improves the service life of furnace shell 9 while enhancing 7 cooling effect of cooling wall, avoids equipment impaired.
And cooling wall inner cooling channel 8 of the cooling system soft water inside cooling wall 7 in the horizontal direction carries out bottom horizontal flow sheet,
Each horizontal absolute altitude is provided with a relatively independent cooling circuit unit, and the cooling water inflow of each circuit units is adjustable,
It is adjusted so as to carry out the specific aim of intensity of cooling according to the heat load intensity of the inside different parts of furnace shell 9.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. one kind is horizontally staggered adjustable blast-furnace soft water cooling system, including furnace shell (9), it is characterised in that: the furnace shell (9)
Inside be surrounded with cooling wall (7), cooling wall (7) is internally provided with cooling wall inner cooling channel (8), and horizontally adjacent is cold
But connecting leg (6) between cooling wall is provided between wall (7), the both ends of connecting leg (6) are cold with its two sides respectively between the cooling wall
But the internal cooling wall inner cooling channel (8) of wall (7) is connected；
The outside of the furnace shell (9) is respectively arranged with water main (1) and return main (2), the output end of water main (1)
It is connected with subfeeder (3), the output end of subfeeder (3) is connected to the input terminal of cooling wall inner cooling channel (8), described
The input terminal of return main (2) is connected with return branch (4), the input terminal of return branch (4) and cooling wall inner cooling channel (8)
Output end connection.
2. one kind according to claim 1 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
The inside of furnace shell (9) is arranged at intervals with 10 to 20 layers of cooling wall assembly, and every layer of cooling wall assembly is identical cold by 10 to 60 pieces
But wall (7) includes 2 to 10 cooling wall inner cooling channels (8) inside composition, the cooling wall (7) of monolithic.
3. one kind according to claim 2 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
Cooling wall inner cooling channel (8) is located at that cooling wall (7) is internal, and cooling wall inner cooling channel (8) is horizontal channel, comprising one into
The mouth of a river and a water outlet, inlet and outlet all extend to the outside of furnace shell (9), and water inlet is connected with subfeeder (3),
Water outlet is connected with return branch (4).
4. one kind according to claim 1 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
Water main (1) and return main (2) are vertically arranged in the outside of furnace shell (9).
5. one kind according to claim 1 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
The outer surface of subfeeder (3) or return branch (4) is equipped with flow control valve (5).
6. one kind according to claim 1 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
Connecting leg (6) uses steel pipe or metal hose between cooling wall, and connecting leg (6) is mounted on the outside of furnace shell (9) between cooling wall.
7. one kind according to claim 1 is horizontally staggered adjustable blast-furnace soft water cooling system, it is characterised in that: described
Connecting leg (6), return main (2) and return water between water main (1), subfeeder (3), cooling wall inner cooling channel (8), cooling wall
Branch pipe (4) constitutes a cooling circuit unit, and every group of cooling circuit unit be on same level absolute altitude, and vertically adjacent two
Soft water flow direction inside group cooling circuit unit is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022455.6A CN109468421B (en) | 2019-01-10 | 2019-01-10 | Blast furnace soft water cooling system with adjustable level is crisscross |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022455.6A CN109468421B (en) | 2019-01-10 | 2019-01-10 | Blast furnace soft water cooling system with adjustable level is crisscross |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109468421A true CN109468421A (en) | 2019-03-15 |
| CN109468421B CN109468421B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910022455.6A Active CN109468421B (en) | 2019-01-10 | 2019-01-10 | Blast furnace soft water cooling system with adjustable level is crisscross |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880952A (en) * | 2019-03-29 | 2019-06-14 | 北京科技大学 | A kind of water pipe structure of the method that cooling water pipe is distributed rationally and uniform divided flows |
| CN110763019A (en) * | 2019-12-02 | 2020-02-07 | 中冶焦耐(大连)工程技术有限公司 | Electric smelting magnesia furnace shell cooling device and method |
| CN115449576A (en) * | 2022-10-19 | 2022-12-09 | 中冶华天工程技术有限公司 | Automatic thermal induction blast furnace late stage spraying cooling equipment and implementation method |
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| JP2000282118A (en) * | 1999-03-31 | 2000-10-10 | Nippon Steel Corp | Structure of rolled steel plate-made stave cooler |
| JP2004197133A (en) * | 2002-12-17 | 2004-07-15 | Jfe Steel Kk | Cooling stave, and blast furnace body structure with the use of the cooling stave |
| CN101693930A (en) * | 2009-10-16 | 2010-04-14 | 湖南华菱涟源钢铁有限公司 | Cooling water pipe connecting net for cooling wall of soft water blast furnace |
| CN202730152U (en) * | 2012-07-13 | 2013-02-13 | 武汉钢铁(集团)公司 | Blast furnace copper cooling wall combined with board wall for bosh |
| CN104236313A (en) * | 2014-10-10 | 2014-12-24 | 上海宝钢铸造有限公司 | Transverse staggered arrangement method for blooming furnace cooling walls |
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| CN106119450A (en) * | 2016-07-19 | 2016-11-16 | 武汉钢铁股份有限公司 | A kind of blast furnace body soft water sealed cooling system and blast furnace cooling means |
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| JP2000282118A (en) * | 1999-03-31 | 2000-10-10 | Nippon Steel Corp | Structure of rolled steel plate-made stave cooler |
| JP2004197133A (en) * | 2002-12-17 | 2004-07-15 | Jfe Steel Kk | Cooling stave, and blast furnace body structure with the use of the cooling stave |
| CN101693930A (en) * | 2009-10-16 | 2010-04-14 | 湖南华菱涟源钢铁有限公司 | Cooling water pipe connecting net for cooling wall of soft water blast furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880952A (en) * | 2019-03-29 | 2019-06-14 | 北京科技大学 | A kind of water pipe structure of the method that cooling water pipe is distributed rationally and uniform divided flows |
| CN110763019A (en) * | 2019-12-02 | 2020-02-07 | 中冶焦耐(大连)工程技术有限公司 | Electric smelting magnesia furnace shell cooling device and method |
| CN110763019B (en) * | 2019-12-02 | 2024-05-17 | 中冶焦耐(大连)工程技术有限公司 | Device and method for cooling electric smelting magnesium furnace shell |
| CN115449576A (en) * | 2022-10-19 | 2022-12-09 | 中冶华天工程技术有限公司 | Automatic thermal induction blast furnace late stage spraying cooling equipment and implementation method |
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| Publication number | Publication date |
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| CN109468421B (en) | 2020-09-29 |
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