CN112143843A - Water-saving structure for blast furnace cooling system - Google Patents

Water-saving structure for blast furnace cooling system Download PDF

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Publication number
CN112143843A
CN112143843A CN202011085196.0A CN202011085196A CN112143843A CN 112143843 A CN112143843 A CN 112143843A CN 202011085196 A CN202011085196 A CN 202011085196A CN 112143843 A CN112143843 A CN 112143843A
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CN
China
Prior art keywords
water
blast furnace
furnace cooling
fixedly connected
cooling system
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011085196.0A
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Chinese (zh)
Inventor
高永会
谢建军
许广路
弋晓旭
赵永平
刘伟
宋世涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Zhuoyue Electric Co ltd
Handan Iron and Steel Group Co Ltd
Hangang Group Hanbao Iron and Steel Co Ltd
Original Assignee
Hebei Zhuoyue Electric Co ltd
Handan Iron and Steel Group Co Ltd
Hangang Group Hanbao Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Zhuoyue Electric Co ltd, Handan Iron and Steel Group Co Ltd, Hangang Group Hanbao Iron and Steel Co Ltd filed Critical Hebei Zhuoyue Electric Co ltd
Priority to CN202011085196.0A priority Critical patent/CN112143843A/en
Publication of CN112143843A publication Critical patent/CN112143843A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/10Cooling; Devices therefor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention relates to the technical field of water-saving structures, in particular to a water-saving structure for a blast furnace cooling system, which comprises an air duct, a water storage tank and a tower body mechanism, wherein the air duct is fixedly connected with the tower body mechanism, the tower body mechanism is fixedly connected with the water storage tank through four support columns, a water collecting system is arranged on the air duct, a plurality of movable anti-floating and sprinkling mechanisms are rotatably connected between every two adjacent support columns in the four support columns, a wind power system matched with the movable anti-floating and sprinkling mechanisms is arranged on the tower body mechanism, the water collecting system is designed, circulating water is less mixed in the air and runs off in the running process of a fan, the consumption of the circulating water is lower, meanwhile, the movable anti-floating and sprinkling mechanisms are designed, the circulating water is not easy to float and spill in the process of falling into the water storage tank, the environment around the tower body mechanism is better, the wind power system is designed, the heat dissipation is realized, and simultaneously, the energy and the water are saved.

Description

Water-saving structure for blast furnace cooling system
Technical Field
The invention relates to the technical field of water-saving structures, in particular to a water-saving structure for a blast furnace cooling system.
Background
As is well known, a water saving structure for a blast furnace cooling system is an auxiliary device used in the operation process of the blast furnace cooling system to reduce the consumption of circulating water in a blast furnace cooling tower system so as to save water resources, and is widely applied to the blast furnace cooling system.
The existing blast furnace cooling system comprises a blast furnace cooling wall group, a blast furnace water supply pipe, a blast furnace water outlet pipe and a blast furnace cooling tower, wherein the blast furnace water supply pipe and the blast furnace water outlet pipe are both communicated with the blast furnace cooling wall group, the blast furnace cooling tower comprises a tower body and a reservoir, an air cylinder and a fan are installed at the top end of the tower body, a spraying system and a heat dissipation filler system are installed in the tower body, the blast furnace water outlet pipe penetrates through the tower body and is communicated with the spraying system, the blast furnace water supply pipe is communicated with the reservoir, when the blast furnace cooling system is used, cold water in the reservoir enters the blast furnace cooling wall group through the blast furnace water supply pipe, is guided into the spraying system through the blast furnace water outlet pipe after circulation is completed in the blast furnace cooling wall group, and cooling of circulating water is realized through the cooperation of the heat dissipation filler system.
However, the prior art scheme still has the following defects that in the running process of the fan, water vapor is easy to mix in the air to discharge the tower body, so that the consumption of circulating water is caused, and meanwhile, when the circulating water falls into the impounding reservoir through the heat dissipation filler system, the circulating water is easy to float, so that the waste of the circulating water is caused, the surrounding environment of the tower body is easy to be poor, and the practicability is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water-saving structure for a blast furnace cooling system, which is designed with a water collecting system, circulating water mixed in the air is less lost in the running process of a fan, the consumption of the circulating water is lower, meanwhile, a movable floating and sprinkling prevention mechanism is designed, the circulating water is not easy to float and spill in the process of falling into a reservoir, the surrounding environment of a tower body mechanism is better, a wind power system is designed, the movable floating and sprinkling mechanism is easy to adjust the opening and closing frequency according to the external wind speed, and the energy and water are saved while the heat dissipation is realized.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a water-saving structure for a blast furnace cooling system comprises a wind barrel and a reservoir, and further comprises a tower body mechanism, wherein the wind barrel is fixedly connected with the tower body mechanism, the tower body mechanism is fixedly connected with the reservoir through four support columns, a water collecting system is installed on the wind barrel, a plurality of movable anti-floating mechanisms are rotatably connected between every two adjacent support columns in the four support columns, a wind power system matched with the movable anti-floating mechanisms is installed on the tower body mechanism, the water collecting system comprises an installation frame, the installation frame is fixedly connected with the wind barrel through a plurality of connecting columns, a plurality of arc-shaped sheets are connected in the installation frame through cylinders, a plurality of through holes are formed in the arc-shaped sheets, a lead screw is sleeved in each through hole, a plurality of semicircular rods matched with the arc-shaped sheets are connected to the lead screw in a threaded manner, and the two ends of the semicircular rods are slidably connected with the installation frame, the installation frame is provided with a servo motor through a bolt, the output end of the servo motor is fixedly connected with the lead screw, the movable anti-floating mechanism comprises a plurality of flat plates, the flat plates are all rotatably connected with a support column, one end of each flat plate is rotatably connected with a synchronizing rod, a sliding sleeve is fixedly connected on one flat plate which leans on the upper side of the flat plates, the wind power system comprises an installation support, a crank shaft is rotatably connected on the installation support, one end of the crank shaft is fixedly connected with a fan, the other end of the crank shaft is fixedly connected with a wind vane, a connecting rod is rotatably connected on the crank shaft, the bottom end of the installation support is fixedly connected with a sleeve, a supporting cylinder is rotatably connected in the sleeve, a round rod is installed in the supporting cylinder, the top end of the round rod is rotatably connected with the connecting rod, and the bottom end of, the driven rod is fixedly connected with a sliding rod matched with the sliding sleeve, the driven rod is slidably connected with the supporting cylinder, and the supporting cylinder is fixedly connected with the tower body mechanism through a plurality of L-shaped supporting blocks.
Preferably, an inverted V-shaped protective cover is fixedly connected to the mounting bracket.
Preferably, install solar panel on the type of falling V protection casing, install the battery in the type of falling V protection casing, the battery with solar panel electric connection.
Preferably, install the warning light at night on the type of falling V safety cover, the warning light at night with battery electric connection.
Preferably, the wind rudder has a hollow structure.
Preferably, a protective guard is mounted at the top end of the tower body mechanism.
Preferably, the tower body mechanism is provided with a water inlet pipe.
Preferably, a water conduit is installed on the water storage tank.
Preferably, the installation frame is fixedly connected with an access ladder.
Preferably, the flat plate is made of a high-heat-conductivity low-density antirust material.
(III) advantageous effects
Compared with the prior art, the invention provides a water-saving structure for a blast furnace cooling system, which has the following beneficial effects:
1. this water conservation structure that blast furnace cooling system used, through the cooperation of arc piece and installing frame, the condensation of the steam in the air when the dryer of being convenient for exhausts to be convenient for reduce the circulating water along with the loss of air, through arc piece, lead screw, semicircle pole and servo motor's cooperation, be convenient for adjust the radian of arc piece according to the air-out speed of dryer, thereby be convenient for adjust the ventilation camber, use comparatively in a flexible way, the practicality is higher.
2. This water conservation structure that blast furnace cooling system used, through the cooperation of flat board and support column, be convenient for reduce the wafing of circulating water and spill, the tower body mechanism surrounding environment protection is better.
3. The water-saving structure for the blast furnace cooling system is convenient for driving the flat plate to open and close reciprocating motion through the design of the wind power system, and the opening and closing frequency of the movable floating and sprinkling mechanism can be easily adjusted according to the external wind speed, so that the energy and water can be saved while the heat dissipation is realized.
Drawings
FIG. 1 is a schematic cross-sectional perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged partial view of FIG. 1 at C;
FIG. 5 is an enlarged view of a portion of FIG. 1 at D according to the present invention;
FIG. 6 is an enlarged partial view of FIG. 1 at E;
FIG. 7 is an enlarged partial view of FIG. 1 at F according to the present invention;
FIG. 8 is an enlarged partial view of FIG. 1 at G in accordance with the present invention;
FIG. 9 is an enlarged partial view of FIG. 1 at H according to the present invention;
fig. 10 is a schematic perspective view of the present invention.
In the figure: 1. an air duct; 2. a reservoir; 3. a tower mechanism; 4. a support pillar; 5. installing a frame; 6. connecting columns; 7. a cylinder; 8. an arc-shaped sheet; 9. a lead screw; 10. a semi-circular rod; 11. a bolt; 12. a servo motor; 13. a flat plate; 14. a synchronization lever; 15. a sliding sleeve; 16. mounting a bracket; 17. a crank shaft; 18. a fan; 19. a wind rudder; 20. a connecting rod; 21. a sleeve; 22. a support cylinder; 23. a circular rod; 24. a driven lever; 25. a slide bar; 26. an L-shaped support block; 27. an inverted V-shaped shield; 28. a solar panel; 29. a storage battery; 30. a night warning light; 31. protecting the fence; 32. a water inlet pipe; 33. a water conduit; 34. an overhaul ladder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-10, a water saving structure for a cooling system of a blast furnace comprises an air duct 1 and a reservoir 2, and further comprises a tower mechanism 3, the air duct 1 is fixedly connected with the tower mechanism 3, the tower mechanism 3 is fixedly connected with the reservoir 2 through four support columns 4, the air duct 1 is provided with a water collecting system, every two adjacent support columns 4 of the four support columns 4 are rotatably connected with a plurality of movable anti-floating mechanisms, the tower mechanism 3 is provided with a wind power system matched with the movable anti-floating mechanisms, the water collecting system comprises a mounting frame 5, the mounting frame 5 is fixedly connected with the air duct 1 through a plurality of connecting columns 6, the mounting frame 5 is internally connected with a plurality of arc-shaped sheets 8 through cylinders 7, so as to facilitate condensation of water vapor in air when the air duct 1 exhausts, thereby facilitating reduction of loss of circulating water along with air, the plurality of arc-shaped sheets 8 are provided with through holes, and a lead screw 9 is sleeved in the plurality of through holes, the movement of the semicircular rod 10 is convenient, the screw rod 9 is connected with a plurality of semicircular rods 10 matched with the arc-shaped sheets 8 through threads, both ends of the semicircular rods 10 are connected with the mounting frame 5 in a sliding way, the mounting frame 5 is provided with the servo motor 12 through the bolts 11, the output end of the servo motor 12 is fixedly connected with the screw rod 9, the radian of the arc-shaped sheets 8 is convenient to adjust according to the air outlet speed of the air duct 1, so that the ventilation camber of the arc-shaped sheets 8 is convenient to adjust, the use is flexible, the practicability is high, the servo motor 12 is conventional equipment which is purchased from the market and is known by technicians in the field, the model of the servo motor 12 is 80ST-M02430, the servo motor is only used by people in the patent, the structure and the function of the servo motor are not improved, the setting mode, the mounting mode and the electric connection mode of the servo motor are set by the technicians in the field, and only the, it is no longer repeated here, and servo motor 12 is provided with PLC the control unit and the control switch rather than supporting, and control switch's mounted position selects according to the in-service use demand, and the operating personnel of being convenient for carry out operation control can.
It should be further noted that the movable floating-sprinkling prevention mechanism comprises a plurality of flat plates 13, the flat plates 13 are rotatably connected with the supporting columns 4, so as to reduce the floating sprinkling of circulating water, the surrounding environment of the tower mechanism is better protected, one end of each flat plate 13 is rotatably connected with a synchronizing rod 14, so as to facilitate the synchronous rotation of the flat plates 13, a sliding sleeve 15 is fixedly connected to one flat plate 13 on the upper side of each flat plate 13, so as to facilitate the sliding rod 25 to drive the flat plates 13, the wind power system comprises a mounting bracket 16, a crankshaft 17 is rotatably connected to the mounting bracket 16, so as to facilitate the movement of a connecting rod 20, one end of the crankshaft 17 is fixedly connected with a fan 18, so as to facilitate the crankshaft 17 to be driven by natural wind, the other end of the crankshaft 17 is fixedly connected with a wind rudder 19, so as to facilitate the adjustment of the direction of the fan 18 according to the wind direction, the internal rotation of sleeve 21 is connected with a support section of thick bamboo 22, install circular rod 23 in the support section of thick bamboo 22, the top and the connecting rod 20 of circular rod 23 rotate and are connected, the bottom of circular rod 23 rotates and is connected with driven lever 24, fixedly connected with and sliding sleeve 15 assorted slide bar 25 on the driven lever 24, driven lever 24 and a support section of thick bamboo 22 sliding connection, be convenient for drive dull and stereotyped 13 open and shut reciprocating type motion, it wafts opening and closed frequency of mechanism according to external wind speed adjustment activity relatively easily, when realizing the heat dissipation, comparatively energy-conserving water conservation, a support section of thick bamboo 22 is through a plurality of L type supporting shoes 26 and 3 fixed connection of tower body mechanism, be convenient for support and firm a support.
It should be further noted that, the inverted V-shaped protective cover 27 is fixedly connected to the mounting bracket 16, which is convenient for improving the protective effect of the crank shaft 17 and the connecting rod 20, and is safer to use, the solar panel 28 is installed on the inverted V-shaped protective cover 27, the storage battery 29 is installed in the inverted V-shaped protective cover 27, the storage battery 29 is electrically connected to the solar panel, which is convenient for converting electric energy and storing electric energy, the night warning lamp 30 is installed on the inverted V-shaped protective cover 27, the night warning lamp 30 is electrically connected to the storage battery 29, which is convenient for improving the night visual effect of the fan 18, the safety is higher, the wind vane 19 adopts a hollow structure, which is convenient for reducing the weight of the wind vane 19 while ensuring the function of the wind vane 19, the protective guard 31 is installed at the top end of the tower body mechanism 3, the safety is higher, the water inlet pipe 32 is installed on the, being convenient for draw forth of circulating water, fixedly connected with maintenance ladder 34 on the installing frame 5, easy access and maintenance, the practicality is higher, and dull and stereotyped 13 adopts the rust-resistant material of high heat conduction low density, and the dull and stereotyped 13's of being convenient for heat dissipation is convenient for alleviate dull and stereotyped 13's quality simultaneously, extension dull and stereotyped 13's life.
In summary, the working principle and working process of the water saving structure for the blast furnace cooling system are that, when in use, the water saving structure for the blast furnace cooling system is firstly communicated with the blast furnace cooling wall group through the water inlet pipe 32 and the water conduit 33, the high-temperature circulating water circulated from the blast furnace cooling wall group enters the tower body mechanism 3 through the water inlet pipe 32, the circulating water falls into the reservoir 2 under the action of gravity after being cooled by the tower body mechanism 3, the cooled circulating water is introduced into the blast furnace cooling wall group through the water conduit 33 to realize the circulation of the blast furnace cooling system, the servo motor 12 is controlled by the PLC control unit controlling the servo motor 12 according to the ventilation speed in the wind barrel 1, the servo motor 12 rotates to drive the semi-circular rod 10 to move through the lead screw 9, the upper end and the lower end of the arc-shaped sheet 8 are close to each other under the sliding fit of the cylinder 7 and the mounting frame 5, so as to realize the radian change of the arc-shaped sheet 8, better increase the ventilation camber, the steam is collected better.
Further, when the external environment has wind, natural wind drives the crankshaft 17 to rotate through the fan 18, the crankshaft 17 drives the circular rod 23 to reciprocate through the connecting rod 20, the circular rod 23 drives the slide bar 25 to reciprocate through the driven rod 24, the slide bar 25 reciprocates and drives the flat plate 13 to reciprocate through the sliding sleeve 15, the air path discontinuous break-make of the bottom of the tower body mechanism 3 is realized through the reciprocating rotation of the flat plate 13, thereby the discontinuous entering and the discharging of the external natural wind are convenient, the splashing of circulating water is reduced while the cooling is realized, energy and water are saved, the solar panel 28 and the night warning lamp 30 are installed on the inverted V-shaped protective cover 27, the storage battery 29 is installed in the inverted V-shaped protective cover 27, the conversion and the storage of electric power and the power supply of the night warning lamp 30 are realized easily, the safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a water conservation structure that blast furnace cooling system used, includes dryer (1) and cistern (2), its characterized in that: the wind power generation tower is characterized by further comprising a tower body mechanism (3), the wind barrel (1) is fixedly connected with the tower body mechanism (3), the tower body mechanism (3) is fixedly connected with the water storage tank (2) through four supporting columns (4), a water collecting system is installed on the wind barrel (1), a plurality of movable anti-floating mechanisms are rotatably connected between every two adjacent supporting columns (4) in the four supporting columns (4), a wind power system matched with the movable anti-floating mechanisms is installed on the tower body mechanism (3), the water collecting system comprises a mounting frame (5), the mounting frame (5) is fixedly connected with the wind barrel (1) through a plurality of connecting columns (6), a plurality of arc-shaped sheets (8) are connected in the mounting frame (5) through cylinders (7), a plurality of through holes are formed in the arc-shaped sheets (8), and a plurality of lead screws (9) are sleeved in the through holes, the utility model discloses a lead screw, including lead screw (9), threaded connection have a plurality of with arc piece (8) assorted semicircle pole (10), the both ends of semicircle pole (10) all with installing frame (5) sliding connection installs servo motor (12) through bolt (11) on installing frame (5), servo motor's (12) output with lead screw (9) fixed connection, the activity is prevented waving and is spilt the mechanism and is included a plurality of flat board (13), and is a plurality of flat board (13) all rotate with support column (4) and be connected, and the one end of a plurality of flat board (13) rotates and is connected with synchronizing bar (14), and is a plurality of fixedly connected with sliding sleeve (15) on one flat board (13) that leans on the upside in flat board (13), wind power system includes installing support (16), and the rotation is connected with crank axle (17) on installing support (16), the one end fixedly connected with fan (18) of crank axle (17), the other end fixedly connected with wind rudder (19) of crank axle (17), it is connected with connecting rod (20) to rotate on crank axle (17), the bottom fixedly connected with sleeve (21) of installing support (16), sleeve (21) internal rotation is connected with a support section of thick bamboo (22), install round bar (23) in the support section of thick bamboo (22), the top of round bar (23) with connecting rod (20) rotate and are connected, the bottom of round bar (23) is rotated and is connected with follower lever (24), fixedly connected with on follower lever (24) with sliding sleeve (15) assorted slide bar (25), follower lever (24) with support section of thick bamboo (22) sliding connection, support section of thick bamboo (22) through a plurality of L type supporting shoes (26) with tower body mechanism (3) fixed connection.
2. The water saving structure for a blast furnace cooling system according to claim 1, characterized in that: an inverted V-shaped protective cover (27) is fixedly connected to the mounting bracket (16).
3. The water saving structure for a blast furnace cooling system according to claim 2, characterized in that: install solar panel (28) on the type of falling V protection casing (27), install battery (29) in the type of falling V protection casing (27), battery (29) with solar cell panel electric connection.
4. A water saving structure for a blast furnace cooling system according to claim 3, characterized in that: install night warning light (30) on the type of falling V protection casing (27), night warning light (30) with battery (29) electric connection.
5. The water saving structure for a blast furnace cooling system according to claim 4, wherein: the wind rudder (19) adopts a hollow structure.
6. The water saving structure for a blast furnace cooling system according to claim 5, wherein: and a protective guard (31) is arranged at the top end of the tower body mechanism (3).
7. The water saving structure for a blast furnace cooling system according to claim 6, characterized in that: and a water inlet pipe (32) is arranged on the tower body mechanism (3).
8. The water saving structure for a blast furnace cooling system according to claim 7, characterized in that: and a water diversion pipe (33) is arranged on the water storage tank (2).
9. The water saving structure for a blast furnace cooling system according to claim 8, wherein: and the mounting frame (5) is fixedly connected with an overhaul ladder (34).
10. The water saving structure for a blast furnace cooling system according to claim 9, characterized in that: the flat plate (13) is made of a high-heat-conductivity low-density antirust material.
CN202011085196.0A 2020-10-12 2020-10-12 Water-saving structure for blast furnace cooling system Pending CN112143843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011085196.0A CN112143843A (en) 2020-10-12 2020-10-12 Water-saving structure for blast furnace cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011085196.0A CN112143843A (en) 2020-10-12 2020-10-12 Water-saving structure for blast furnace cooling system

Publications (1)

Publication Number Publication Date
CN112143843A true CN112143843A (en) 2020-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011085196.0A Pending CN112143843A (en) 2020-10-12 2020-10-12 Water-saving structure for blast furnace cooling system

Country Status (1)

Country Link
CN (1) CN112143843A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478767A (en) * 1980-02-22 1984-10-23 Toshiba Corporation Air cooling device
KR20010063901A (en) * 1999-12-24 2001-07-09 이구택 Automatic temperature control system for the gear box on the blast furnace
US20120193843A1 (en) * 2011-01-27 2012-08-02 Macrae Allan J Thin stave cooler and support frame system
CN106498106A (en) * 2017-01-06 2017-03-15 中冶华天工程技术有限公司 Modified blast furnace soft water closed circulation system and method
CN213447179U (en) * 2020-10-12 2021-06-15 邯郸钢铁集团有限责任公司 Water-saving structure for blast furnace cooling system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478767A (en) * 1980-02-22 1984-10-23 Toshiba Corporation Air cooling device
KR20010063901A (en) * 1999-12-24 2001-07-09 이구택 Automatic temperature control system for the gear box on the blast furnace
US20120193843A1 (en) * 2011-01-27 2012-08-02 Macrae Allan J Thin stave cooler and support frame system
CN106498106A (en) * 2017-01-06 2017-03-15 中冶华天工程技术有限公司 Modified blast furnace soft water closed circulation system and method
CN213447179U (en) * 2020-10-12 2021-06-15 邯郸钢铁集团有限责任公司 Water-saving structure for blast furnace cooling system

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