CN207193319U - A kind of blast furnace cooling system - Google Patents
A kind of blast furnace cooling system Download PDFInfo
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- CN207193319U CN207193319U CN201720628841.6U CN201720628841U CN207193319U CN 207193319 U CN207193319 U CN 207193319U CN 201720628841 U CN201720628841 U CN 201720628841U CN 207193319 U CN207193319 U CN 207193319U
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Abstract
The utility model proposes a kind of blast furnace cooling system,Including the first cooling recirculation system,Second cooling recirculation system,Furnace bottom cooling pipe component and cupola well cooling wall tube assembly,The furnace bottom cooling pipe component is arranged in Blast Furnace Bottom,One-level cooling tube and two level cooling tube are provided with the furnace bottom cooling pipe component,The one-level cooling tube and two level cooling tube respectively with the first cooling recirculation system,Second cooling recirculation system is connected,The cupola well cooling wall tube assembly is arranged in the cooling wall of blast furnace,The first coiled pipe and the second coiled pipe are provided with the cupola well cooling wall tube assembly,First coiled pipe and the second coiled pipe respectively with the first cooling recirculation system,Second cooling recirculation system is connected,Cupola well uses S type flush type two-stage water-cooling pipes,Furnace bottom is using bow font two-stage water-cooling pipe,And it is passed through and flows to opposite coolant,Ensure that cupola well and furnace bottom cooling are uniform,Blast furnace safety production and long-lived technique effect are reached.
Description
【Technical field】
The technical field of blast-furnace equipment is the utility model is related to, particularly a kind of blast furnace cooling system.
【Background technology】
Blast furnace refers to cross section as circular ironmaking shaft furnace, blast-furnace body include from top to bottom furnace throat, shaft, furnace bosh, bosh,
The advantages of cupola well, furnace bottom, blast furnace are the capital equipments of ironmaking production, and it has, and yield is big, productivity ratio is high low with cost, this is it
His iron smelting method is incomparable.At present build or built blast furnace ironmaking project in, blast furnace cooling system is roughly divided into two classes.
The first kind：Blast furnace cooling system is made up of several soft water airtight circulating cooling systems.Each system is only to blast furnace or hot-blast stove area
A part of cooler in domain is cooled down, and each system is independent, and cooling water does not share.Maximum deficiency is entirely existing for this design
Blast furnace cooling system quantity of circulating water is big (the soft water chilled water of corresponding heat exchanger is also very big), during operation power consumption compared to larger,
Cooling water temperature rise is small, underuses soft water cooling temperature rise allowed band；Great advantage is between system independently of each other, mutually not
Influence；Each internal system technological process is simple, can easily be accommodated, and safety, maintenance measure are simple, reliable.Second class：Blast furnace cooling system
System forms a joint soft water sealing and circulating system by the series and parallel such as cooling device in blast furnace cooling stave, furnace bottom, hot-blast stove region
System.The system supplies the cooling of remaining region using blast furnace cooling stave, the backwater repressurization of furnace bottom.The maximum deficiency of this design
It is that pipe-line system is relative complex, test run debugging difficulty is big, and safety, maintenance measure be complicated during operation, less reliable；Maximum
Advantage is that system cooling circulating water amount is smaller (corresponding heat exchanger soft water chilled water is also smaller), about autonomous system quantity of circulating water
50-60%, primary construction investment and operation power consumption are smaller than compared to autonomous system, therefore propose a kind of blast furnace cooling system
System.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of blast furnace cooling system, utilizes list
The cooling system cooled down for blast furnace crucibe, furnace bottom, the cooling water of lower temperature can be provided for cupola well, furnace bottom, so as to improve stove
The intensity of cooling of cylinder, furnace bottom, cupola well use S type flush type two-stage water-cooling pipes, and furnace bottom is led to using bow font two-stage water-cooling pipe
Enter to flow to opposite coolant, ensure that cupola well and furnace bottom cooling are uniform, reached blast furnace safety production and long-lived technique effect.
To achieve the above object, the utility model proposes a kind of blast furnace cooling system, including the first cooling recirculation system,
Second cooling recirculation system, furnace bottom cooling pipe component and cupola well cooling wall tube assembly, the furnace bottom cooling pipe component are arranged on height
In stove furnace bottom, one-level cooling tube and two level cooling tube, the one-level cooling tube and two level are provided with the furnace bottom cooling pipe component
Cooling tube is connected with the first cooling recirculation system, the second cooling recirculation system respectively, and the cupola well cooling wall tube assembly is arranged on
In the cooling wall of blast furnace, the first coiled pipe and the second coiled pipe are provided with the cupola well cooling wall tube assembly, described first is snakelike
Pipe and the second coiled pipe are connected with the first cooling recirculation system, the second cooling recirculation system respectively.
Preferably, first cooling recirculation system is defeated including the pump housing, water inlet main pipeline, furnace bottom delivery pipe, cooling wall
Pipe, water supply endless tube, degassing tank, water outlet main pipe road, cooler and vacuum tank are sent, the furnace bottom delivery pipe is connected with one-level cooling tube
Logical, the water supply endless tube is connected with the first coiled pipe, and the water inlet main pipeline is provided with the first branch and the second branch, described
Water outlet main pipe road is provided with Liang Ge branches, and a degassing tank is respectively connected with the branch, is provided with the pump house of the pump housing steady
Tank is pressed, the water inlet end of the water supply endless tube and water side pass through several branch pipes and cooling wall delivery pipe, water outlet main pipe road respectively
It is connected, cooling water in first branch is successively by furnace bottom delivery pipe, one-level cooling tube, degassing tank, water outlet main pipe road, cold
But device and the pump housing form circulation loop, and the cooling water in second branch is successively by cooling wall delivery pipe, water supply endless tube, the
One coiled pipe, degassing tank, water outlet main pipe road, cooler and the pump housing form circulation loop.
Preferably, the shape in gap is cold in bow font, the one-level between the one-level cooling tube and two level cooling tube
But the cooling current direction in pipe and two level cooling tube is on the contrary, the one-level cooling tube includes the first straight tube, the second straight tube, the 3rd straight
Pipe, the first bridge piece and the second bridge piece, first straight tube, the second straight tube, the 3rd straight tube are parallel to each other, and described second
For straight tube between the first straight tube, the 3rd straight tube, one end of second straight tube passes through the first bridge piece and the first straight tube phase
Even, the other end of second straight tube is connected by the second bridge piece with the 3rd straight tube.
Preferably, first bridge piece, the shape of the second bridge piece are semicircle, first connecting bending
Circular diameter length where pipe is two times of circular diameter length where the second bridge piece, two adjacent one-level cooling tubes and
The center of circle of circle coincides where the circular arc of two level cooling tube corner.
Preferably, first cooling recirculation system, the structure of the second cooling recirculation system are identical, the cupola well cooling
Wall tube assembly is in roundabout rising S types, and the cupola well cooling wall tube assembly is distributed in a ring, first coiled pipe and second snakelike
Pipe is distributed in flush type, and the distance between described first coiled pipe and the second coiled pipe are identical everywhere, first coiled pipe
Bending place is arc transition, and the cooling current direction in first coiled pipe and the second coiled pipe is opposite.
Preferably, the one-level cooling tube, two level cooling tube, the first coiled pipe and the second coiled pipe water inlet end, go out
Water end (W.E.) is each provided with flow detector, and the flow detector is connected with control unit, set in described control unit respectively
There is the alarm device corresponding with each cooling branch pipe.
The beneficial effects of the utility model：Pass through the first cooling recirculation system, the second cooling recirculation system, furnace bottom cooling tube
The cooperation of component and cupola well cooling wall tube assembly etc., can be stove using single cooling system cooled down for blast furnace crucibe, furnace bottom
Cylinder, furnace bottom provide the cooling water of lower temperature, and so as to improve the intensity of cooling of cupola well, furnace bottom, cupola well uses S type flush type two levels
Water cooling tube, furnace bottom are passed through using bow font two-stage water-cooling pipe and are flowed to opposite coolant, ensure that cupola well and furnace bottom cooling are equal
It is even, reach blast furnace safety production and long-lived technique effect.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the cooling system of blast furnace cooling system of the utility model；
Fig. 2 is a kind of structural representation of the first cooling system of blast furnace cooling system of the utility model；
Fig. 3 is a kind of structural representation of the furnace bottom cooling pipe component of blast furnace cooling system of the utility model；
Fig. 4 is a kind of structural representation of the one-level cooling tube of blast furnace cooling system of the utility model；
Fig. 5 is a kind of structural representation of the first coiled pipe of blast furnace cooling system of the utility model.
【Embodiment】
Cooled down refering to a kind of Fig. 1 to blast furnace cooling system of Fig. 5 the utility model, including the first cooling recirculation system 1, second
The circulatory system 2, furnace bottom cooling pipe component 3 and cupola well cooling wall tube assembly 4, the furnace bottom cooling pipe component 3 are arranged on State of Blast Furnace
In bottom, one-level cooling tube 31 and two level cooling tube 32, the one-level cooling tube 31 and two are provided with the furnace bottom cooling pipe component 3
Level cooling tube 32 is connected with the first cooling recirculation system 1, the second cooling recirculation system 2 respectively, the cupola well cooling wall tube assembly 4
In the cooling wall of blast furnace, the first coiled pipe 41 and the second coiled pipe 42, institute are provided with the cupola well cooling wall tube assembly 4
State the first coiled pipe 41 and the second coiled pipe 42 is connected with the first cooling recirculation system 1, the second cooling recirculation system 2 respectively.Institute
Stating the first cooling recirculation system 1 includes the pump housing 11, water inlet main pipeline 12, furnace bottom delivery pipe 13, cooling wall delivery pipe 14, water supply ring
Pipe 15, degassing tank 16, water outlet main pipe road 17, cooler 18 and vacuum tank 19, the furnace bottom delivery pipe 13 and one-level cooling tube 31
It is connected, the water supply endless tube 15 is connected with the first coiled pipe 41, and the water inlet main pipeline 12 is provided with the He of the first branch 121
Second branch 122, the water outlet main pipe road 17 are provided with Liang Ge branches, a degassing tank 16, institute are respectively connected with the branch
State in the pump house of the pump housing 11 and be provided with vacuum tank 19, the water inlet end of the water supply endless tube 15 and water side pass through several branch pipes respectively
151 are connected with cooling wall delivery pipe 14, water outlet main pipe road 17, and the cooling water in first branch 121 is defeated by furnace bottom successively
Pipe 13, one-level cooling tube 31, degassing tank 16, water outlet main pipe road 17, cooler 18 and the pump housing 11 is sent to form circulation loop, described the
Cooling water in two branches 122 successively by cooling wall delivery pipe 14, water supply endless tube 15, the first coiled pipe 41, degassing tank 16, go out
Water main pipeline 17, cooler 18 and the pump housing 11 form circulation loop.Between between the one-level cooling tube 31 and two level cooling tube 32
The shape of gap is in bend font, and the cooling current direction in the one-level cooling tube 31 and two level cooling tube 32 is on the contrary, the one-level is cold
But pipe 31 includes the first straight tube 311, the second straight tube 312, the 3rd straight tube 313, the first bridge piece 314 and the second bridge piece
315, first straight tube 311, the second straight tube 312, the 3rd straight tube 313 are parallel to each other, and second straight tube 312 is straight positioned at first
Between pipe 311, the 3rd straight tube 313, one end of second straight tube 312 passes through the first bridge piece 314 and the phase of the first straight tube 311
Even, the other end of second straight tube 312 is connected by the second bridge piece 315 with the 3rd straight tube 313.First connecting bending
Pipe 314, the shape of the second bridge piece 315 are semicircle, and the place circular diameter length of the first bridge piece 314 is second
Two times of the place circular diameter length of bridge piece 315, two adjacent one-level cooling tubes 31 and the turning of two level cooling tube 32
The center of circle of circle coincides where the circular arc at place.First cooling recirculation system 1, the structure of the second cooling recirculation system 2 are identical,
The cupola well cooling wall tube assembly 4 is in roundabout rising S types, and the cupola well cooling wall tube assembly 4 is distributed in a ring, first snake
The coiled pipe 42 of shape pipe 41 and second is distributed in flush type, and the distance between described coiled pipe 42 of first coiled pipe 41 and second is everywhere
Identical, the bending place of first coiled pipe 41 is arc transition, cold in the coiled pipe 42 of the first coiled pipe 41 and second
But current direction is opposite.The water inlet of the one-level cooling tube 31, two level cooling tube 32, the first coiled pipe 41 and the second coiled pipe 42
End, water side are each provided with flow detector, and the flow detector is connected with control unit respectively, described control unit
It is provided with the alarm device corresponding with each cooling branch pipe.
Utility model works process：
A kind of blast furnace cooling system of the utility model, pass through the first cooling recirculation system, the second cooling recirculation system, furnace bottom
The cooperation of cooling pipe component and cupola well cooling wall tube assembly etc., can using single cooling system cooled down for blast furnace crucibe, furnace bottom
The cooling water of lower temperature is provided for cupola well, furnace bottom, so as to improve the intensity of cooling of cupola well, furnace bottom, cupola well uses S type flush types
Two-stage water-cooling pipe, furnace bottom are each passed through using bow font two-stage water-cooling pipe and are flowed to opposite coolant, can avoid being located at
Position coolant temperature close to outlet pipe one end is higher, the problem of causing inhomogeneous cooling even, ensures cooling effect, ensures cupola well
It is uniform with furnace bottom cooling, reach blast furnace safety production and long-lived technique effect
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (6)
- A kind of 1. blast furnace cooling system, it is characterised in that：Including the first cooling recirculation system (1), the second cooling recirculation system (2), furnace bottom cooling pipe component (3) and cupola well cooling wall tube assembly (4), the furnace bottom cooling pipe component (3) are arranged on State of Blast Furnace In bottom, one-level cooling tube (31) and two level cooling tube (32), the one-level cooling tube are provided with the furnace bottom cooling pipe component (3) (31) it is connected respectively with the first cooling recirculation system (1), the second cooling recirculation system (2) with two level cooling tube (32), the stove Cylinder cooling wall tube assembly (4) is arranged in the cooling wall of blast furnace, and the first coiled pipe is provided with the cupola well cooling wall tube assembly (4) (41) and the second coiled pipe (42), first coiled pipe (41) and the second coiled pipe (42) respectively with the first cooling recirculation system (1), the second cooling recirculation system (2) is connected.
- A kind of 2. blast furnace cooling system as claimed in claim 1, it is characterised in that：First cooling recirculation system (1) bag Include the pump housing (11), water inlet main pipeline (12), furnace bottom delivery pipe (13), cooling wall delivery pipe (14), water supply endless tube (15), degassing tank (16), water outlet main pipe road (17), cooler (18) and vacuum tank (19), the furnace bottom delivery pipe (13) and one-level cooling tube (31) It is connected, the water supply endless tube (15) is connected with the first coiled pipe (41), and the water inlet main pipeline (12) is provided with first point Branch (121) and the second branch (122), the water outlet main pipe road (17) are provided with Liang Ge branches, one are respectively connected with the branch Individual degassing tank (16), is provided with vacuum tank (19) in the pump house of the pump housing (11), the water inlet end of the water supply endless tube (15) with go out Water end (W.E.) is connected by several branch pipes (151) with cooling wall delivery pipe (14), water outlet main pipe road (17) respectively, first branch (121) cooling water in is successively by furnace bottom delivery pipe (13), one-level cooling tube (31), degassing tank (16), water outlet main pipe road (17), cooler (18) and the pump housing (11) form circulation loop, and the cooling water in second branch (122) is successively through supercooling Wall delivery pipe (14), water supply endless tube (15), the first coiled pipe (41), degassing tank (16), water outlet main pipe road (17), cooler (18) Circulation loop is formed with the pump housing (11).
- A kind of 3. blast furnace cooling system as claimed in claim 1, it is characterised in that：The one-level cooling tube (31) and two level are cold But the shape in gap is in bend font between pipe (32), the cooling current in the one-level cooling tube (31) and two level cooling tube (32) To on the contrary, the one-level cooling tube (31) includes the first straight tube (311), the second straight tube (312), the 3rd straight tube (313), the first company Connect bend pipe (314) and the second bridge piece (315), first straight tube (311), the second straight tube (312), the 3rd straight tube (313) It is parallel to each other, second straight tube (312) is between the first straight tube (311), the 3rd straight tube (313), second straight tube (312) one end is connected by the first bridge piece (314) with the first straight tube (311), the other end of second straight tube (312) It is connected by the second bridge piece (315) with the 3rd straight tube (313).
- A kind of 4. blast furnace cooling system as claimed in claim 3, it is characterised in that：First bridge piece (314), second The shape of bridge piece (315) is semicircle, and circular diameter length where first bridge piece (314) is the second connecting bending Two times of circular diameter length, two adjacent one-level cooling tubes (31) and two level cooling tube (32) turning where managing (315) The center of circle of circle coincides where the circular arc at place.
- A kind of 5. blast furnace cooling system as claimed in claim 1, it is characterised in that：First cooling recirculation system (1), The structure of two cooling recirculation systems (2) is identical, and the cupola well cooling wall tube assembly (4) is in roundabout rising S types, the cupola well cooling Wall tube assembly (4) is distributed in a ring, and first coiled pipe (41) and the second coiled pipe (42) are distributed in flush type, and described first The distance between coiled pipe (41) and the second coiled pipe (42) are identical everywhere, and the bending place of first coiled pipe (41) is circular arc Transition, the cooling current direction in first coiled pipe (41) and the second coiled pipe (42) are opposite.
- A kind of 6. blast furnace cooling system as claimed in claim 1, it is characterised in that：The one-level cooling tube (31), two level are cold But the water inlet end of (32), the first coiled pipe (41) and the second coiled pipe (42) is managed, water side is each provided with flow detector, institute State flow detector respectively with control unit to be connected, described control unit is provided with the alarm corresponding with each cooling branch pipe Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628841.6U CN207193319U (en) | 2017-06-01 | 2017-06-01 | A kind of blast furnace cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628841.6U CN207193319U (en) | 2017-06-01 | 2017-06-01 | A kind of blast furnace cooling system |
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| Publication Number | Publication Date |
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| CN207193319U true CN207193319U (en) | 2018-04-06 |
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| CN201720628841.6U Active CN207193319U (en) | 2017-06-01 | 2017-06-01 | A kind of blast furnace cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166034A (en) * | 2021-11-30 | 2022-03-11 | 贵州华星冶金有限公司 | Blast furnace cooling circulation system |
-
2017
- 2017-06-01 CN CN201720628841.6U patent/CN207193319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166034A (en) * | 2021-11-30 | 2022-03-11 | 贵州华星冶金有限公司 | Blast furnace cooling circulation system |
| CN114166034B (en) * | 2021-11-30 | 2023-09-29 | 贵州华星冶金有限公司 | Blast furnace cooling circulation system |
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