CN219934688U - Waste heat utilization device for steel smelting cooling pool - Google Patents

Waste heat utilization device for steel smelting cooling pool Download PDF

Info

Publication number
CN219934688U
CN219934688U CN202321250912.5U CN202321250912U CN219934688U CN 219934688 U CN219934688 U CN 219934688U CN 202321250912 U CN202321250912 U CN 202321250912U CN 219934688 U CN219934688 U CN 219934688U
Authority
CN
China
Prior art keywords
processing unit
unit
waste heat
heat utilization
sealing
Prior art date
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.)
Active
Application number
CN202321250912.5U
Other languages
Chinese (zh)
Inventor
朱晓华
章杰
石涛
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.)
Suzhou Guodian Changyuan Power Engineering Consulting Co ltd
Original Assignee
Suzhou Guodian Changyuan Power Engineering Consulting 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 Suzhou Guodian Changyuan Power Engineering Consulting Co ltd filed Critical Suzhou Guodian Changyuan Power Engineering Consulting Co ltd
Priority to CN202321250912.5U priority Critical patent/CN219934688U/en
Application granted granted Critical
Publication of CN219934688U publication Critical patent/CN219934688U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model discloses a waste heat utilization device for a steel smelting cooling pool, which relates to the technical field of waste heat utilization and comprises a processing unit, a circulating unit, a hot gas guiding and conveying unit and a heat gas guiding and conveying unit, wherein the processing unit is connected with the circulating unit; the sealing unit comprises a sealing plate movably arranged at the top of the processing unit and a sealing rubber pad arranged on the inner wall of the top of the processing unit and used for sealing and preventing water vapor from leaking; the hot gas guiding and conveying unit comprises a gas collecting hood arranged at the top of the processing unit and an exhaust fan arranged inside the gas collecting hood and used for intensively utilizing water vapor. The utility model relates to a waste heat utilization device for a steel smelting cooling tank, which is convenient for opening and closing the cooling tank through a movable sealing plate, is convenient for putting in and taking out steel, can avoid water vapor leakage generated during cooling of steel, ensures the tightness during cooling of steel, can facilitate the waste heat utilization of water vapor, improves the utilization rate of energy and resources, and improves the practicability of the cooling tank.

Description

Waste heat utilization device for steel smelting cooling pool
Technical Field
The utility model relates to the technical field of waste heat utilization, in particular to a waste heat utilization device for a steel smelting cooling pool.
Background
Iron and steel smelting is a generic term for steel and iron metallurgical processes. Iron produced industrially is classified into steel (carbon content of 2% or more) and steel (carbon content of less than 2%) according to carbon content. Most of modern iron making adopts an electric furnace iron making method and an individual iron making method. The steel-making mainly uses sponge iron produced by smelting and direct reduction iron-smelting method and uses the sponge iron as raw material, and makes them into steel by using different methods. The basic production process is that iron ore is smelted into pig iron in an iron-smelting furnace, pig iron is used as raw material, steel is smelted by different methods, steel ingot or continuous casting billet is cast, and after steel smelting, the steel is cooled by a cooling pool.
In the current market, the steel is cooled by a cooling tank after being smelted, high-temperature steel is put into the cooling tank to be cooled to form high-temperature steam which is a good energy source, but the traditional cooling tank does not have the function of recycling the waste heat during cooling, so that the energy source and the resource are reduced, and therefore, the waste heat utilization device for the steel smelting cooling tank is necessary to be provided.
Disclosure of Invention
The utility model mainly aims to provide a waste heat utilization device for a steel smelting cooling tank, which can effectively solve the problems that in the background technology, after steel smelting, the cooling tank is used for cooling, high-temperature steel is put into the cooling tank for cooling to form high-temperature steam which is a good energy source, but the traditional cooling tank does not have the function of recycling waste heat during cooling, and the energy source and the resource are reduced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the waste heat utilization device for the steel smelting cooling pool comprises a processing unit, a circulating unit arranged on one side of the processing unit, a sealing unit arranged on the top of the processing unit and a hot gas guiding and conveying unit arranged on the processing unit;
the sealing unit comprises a sealing plate movably arranged at the top of the processing unit and a sealing rubber pad arranged on the inner wall of the top of the processing unit and used for sealing and preventing water vapor from leaking;
the hot gas guiding and conveying unit comprises a gas collecting hood arranged at the top of the processing unit and an exhaust fan arranged inside the gas collecting hood and used for intensively utilizing water vapor.
Preferably, the processing unit comprises a cooling tank, an open slot arranged at the top of one side of the cooling tank, and a U-shaped slot arranged on the inner wall of the open slot.
Preferably, the circulating unit comprises a water outlet pipe fixedly connected below one side of the cooling tank and a water inlet pipe fixedly connected above one side of the cooling tank.
Preferably, the sealing unit further comprises a pull groove formed in one end of the sealing plate, a positioning plate fixedly connected to the other end of the sealing plate, and two sliding blocks fixedly connected to one sides of the front end and the rear end of the sealing plate.
Preferably, the hot gas guiding and conveying unit further comprises a guiding and conveying pipe fixedly connected to the center of the top of the gas collecting hood, a diamond-shaped hood arranged at the bottom of the gas collecting hood, and air inlets formed in two inclined side surfaces of the diamond-shaped hood.
Preferably, the internal dimension of the open slot is matched with the top cross section dimension of the closing plate, the front cross section of the closing plate is in an L-shaped structure, and the cross section dimension of the sliding block and the positioning plate is matched with the internal cross section dimension of the U-shaped slot.
Preferably, the gas collecting hood is embedded at the top of the cooling pool, the diamond-shaped hood is positioned in the cooling pool, and the diamond-shaped hood is communicated with the inside of the gas collecting hood.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the smelted steel is placed into the cooling tank from the open groove through the hoisting structure, then the sealing plate is pushed to move, so that the sliding block moves to one side in the U-shaped groove, and meanwhile, the positioning plate enters the U-shaped groove, so that under the action of the sealing rubber pad, the sealing rubber pad and the sealing plate form a seal, the water vapor leakage generated during steel cooling can be avoided, and meanwhile, the moving sealing plate is convenient for opening and closing the cooling tank, facilitates the placement and the taking of steel, and ensures the tightness during steel cooling.
2. According to the utility model, when steel is placed into the cooling tank for cooling, high-temperature steel is contacted with cooling water to generate a large amount of steam, the exhaust fan is started at the same time, the steam in the cooling tank is absorbed by starting the exhaust fan, the steam enters through the air inlets formed in the two inclined side surfaces of the diamond-shaped cover, is concentrated through the gas collecting cover, is conveyed by the guide conveying pipe, and is connected with external waste heat utilization equipment to utilize the waste heat of the steam, so that the waste heat of the steam can be conveniently utilized, the utilization rate of energy and resources is improved, and the practicability of the cooling tank is improved.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic view of the front inner cross-section structure of the present utility model;
FIG. 4 is a schematic top view of a partial structure of the present utility model;
fig. 5 is a schematic perspective view of a closed unit according to the present utility model.
In the figure:
1. a processing unit; 101. a cooling pool; 102. an open slot; 103. a U-shaped groove;
2. a closing unit; 201. a closing plate; 202. drawing a groove; 203. a positioning plate; 204. a slide block; 205. sealing rubber cushion;
3. a hot gas guiding unit; 301. a gas collecting hood; 302. a guide tube; 303. an exhaust fan; 304. a diamond-shaped cover; 305. an air suction port;
4. a circulation unit; 401. a water outlet pipe; 402. a water inlet pipe.
Detailed Description
Example 1
Referring to fig. 1-5, the utility model discloses a waste heat utilization device for a steel smelting cooling pool, which comprises a processing unit 1, a circulating unit 4 arranged at one side of the processing unit 1, a sealing unit 2 arranged at the top of the processing unit 1, and a hot gas guiding and conveying unit 3 arranged on the processing unit 1;
the hot air guiding unit 3 includes a gas collecting hood 301 installed at the top of the treating unit 1, and an exhaust fan 303 installed inside the gas collecting hood 301 for concentrated use of water vapor.
As shown in fig. 1 to 4, the processing unit 1 includes a cooling tank 101, an open slot 102 formed at the top of one side of the cooling tank 101, and a U-shaped slot 103 formed on the inner wall of the open slot 102, wherein the open slot 102 is configured to facilitate cooling operation of steel placed in the cooling tank 101, and the U-shaped slot 103 facilitates lateral movement of the closing plate 201.
As shown in fig. 3, the circulation unit 4 includes a water outlet pipe 401 fixedly connected to a lower side of the cooling tank 101, and a water inlet pipe 402 fixedly connected to an upper side of the cooling tank 101, the water inlet pipe 402 is used for injecting cooling water, the water outlet pipe 401 is used for discharging cooled water, a circulation pump and a condenser are arranged between the water inlet pipe 402 and the water outlet pipe 401, and the cooling water 101 is pumped and condensed again by the circulation pump for circulation.
As shown in fig. 1, 3, 4 and 5, the sealing unit 2 includes a sealing plate 201 movably mounted on the top of the processing unit 1, a sealing rubber pad 205 disposed on the inner wall of the top of the processing unit 1 and used for sealing and preventing water vapor from leaking, the sealing unit 2 further includes a pull slot 202 formed at one end of the sealing plate 201, a positioning plate 203 fixedly connected to the other end of the sealing plate 201, and two sliding blocks 204 fixedly connected to the front and rear ends of the sealing plate 201, the inner dimension of the open slot 102 is adapted to the top cross section dimension of the sealing plate 201, the front cross section of the sealing plate 201 is in an L-shaped structure, and the cross section dimensions of the sliding blocks 204 and the positioning plate 203 are adapted to the inner cross section dimension of the U-shaped slot 103.
Working principle: during the use, the inside of cooling tank 101 is put into through open slot 102 to the iron and steel after smelting through hoisting structure, then remove through promoting closure plate 201, make slider 204 in the inside of U type groove 103 to one side remove, simultaneously locating plate 203 gets into the inside of U type groove 103, make and under the effect of sealed cushion 205, make sealed cushion 205 and closure plate 201 between form sealedly, the vapor leakage that produces when can avoiding iron and steel cooling, the closure plate 201 of removal makes things convenient for opening and closing of cooling tank 101 simultaneously, make things convenient for the put into and take of iron and steel, the leakproofness when guaranteeing iron and steel cooling.
Example 2
Referring to fig. 1-5, the utility model discloses a waste heat utilization device for a steel smelting cooling pool, which comprises a processing unit 1, a circulating unit 4 arranged at one side of the processing unit 1, a sealing unit 2 arranged at the top of the processing unit 1, and a hot gas guiding and conveying unit 3 arranged on the processing unit 1;
the sealing unit 2 includes a sealing plate 201 movably installed at the top of the processing unit 1, and a sealing rubber pad 205 provided on the inner wall of the top of the processing unit 1 for sealing against leakage of water vapor;
as shown in fig. 1 to 4, the processing unit 1 includes a cooling tank 101, an open slot 102 formed at the top of one side of the cooling tank 101, and a U-shaped slot 103 formed on the inner wall of the open slot 102, wherein the open slot 102 is configured to facilitate cooling operation of steel placed in the cooling tank 101, and the U-shaped slot 103 facilitates lateral movement of the closing plate 201.
As shown in fig. 3, the circulation unit 4 includes a water outlet pipe 401 fixedly connected to a lower side of the cooling tank 101, and a water inlet pipe 402 fixedly connected to an upper side of the cooling tank 101, the water inlet pipe 402 is used for injecting cooling water, the water outlet pipe 401 is used for discharging cooled water, a circulation pump and a condenser are arranged between the water inlet pipe 402 and the water outlet pipe 401, and the cooling water 101 is pumped and condensed again by the circulation pump for circulation.
As shown in fig. 1, 3 and 4, the hot gas guiding and transporting unit 3 comprises a gas collecting hood 301 installed at the top of the processing unit 1, an exhaust fan 303 installed inside the gas collecting hood 301 and used for concentrating and utilizing water vapor, a guiding and transporting pipe 302 fixedly connected to the center of the top of the gas collecting hood 301, a diamond-shaped hood 304 installed at the bottom of the gas collecting hood 301, and air inlets 305 formed on two inclined sides of the diamond-shaped hood 304, wherein the gas collecting hood 301 is embedded at the top of the cooling tank 101, the diamond-shaped hood 304 is located inside the cooling tank 101, and the diamond-shaped hood 304 is communicated with the inside of the gas collecting hood 301.
Working principle: when the smelted steel is cooled by being placed in the cooling tank 101, the high-temperature steel is contacted with cooling water to generate a large amount of water vapor, the exhaust fan 303 is started, the water vapor in the cooling tank 101 is absorbed by the starting of the exhaust fan 303, the water vapor enters through the air inlets 305 formed in the two inclined side surfaces of the diamond-shaped cover 304 and is concentrated through the gas collecting cover 301, then the water vapor is conveyed by the guide conveying pipe 302, and the waste heat of the water vapor is utilized by connecting with external waste heat utilization equipment, so that the waste heat of the water vapor can be conveniently utilized, the utilization rate of energy and resources is improved, and the practicability of the cooling tank 101 is improved.

Claims (7)

1. The waste heat utilization device for the iron and steel smelting cooling pool comprises a processing unit (1) and a circulating unit (4) arranged on one side of the processing unit (1), and is characterized by further comprising a sealing unit (2) arranged on the top of the processing unit (1) and a hot gas guide and transportation unit (3) arranged on the processing unit (1);
the sealing unit (2) comprises a sealing plate (201) movably arranged at the top of the processing unit (1), and a sealing rubber pad (205) arranged on the inner wall of the top of the processing unit (1) and used for sealing and preventing water vapor from leaking;
the hot gas guiding and conveying unit (3) comprises a gas collecting hood (301) arranged at the top of the processing unit (1), and an exhaust fan (303) arranged inside the gas collecting hood (301) and used for water vapor centralized utilization.
2. The waste heat utilization device for a steel smelting cooling pond according to claim 1, wherein: the processing unit (1) comprises a cooling tank (101), an open slot (102) formed in the top of one side of the cooling tank (101), and a U-shaped slot (103) formed in the inner wall of the open slot (102).
3. The waste heat utilization device for a steel smelting cooling pond according to claim 2, wherein: the circulating unit (4) comprises a water outlet pipe (401) fixedly connected below one side of the cooling tank (101) and a water inlet pipe (402) fixedly connected above one side of the cooling tank (101).
4. The waste heat utilization device for a steel smelting cooling pond according to claim 2, wherein: the sealing unit (2) further comprises a pull groove (202) formed in one end of the sealing plate (201), a positioning plate (203) fixedly connected to the other end of the sealing plate (201), and two sliding blocks (204) fixedly connected to one sides of the front end and the rear end of the sealing plate (201).
5. The waste heat utilization device for a steel smelting cooling pond according to claim 2, wherein: the hot gas guide and delivery unit (3) further comprises a guide and delivery pipe (302) fixedly connected to the center of the top of the gas collecting hood (301), a diamond-shaped hood (304) arranged at the bottom of the gas collecting hood (301), and air inlets (305) formed in two inclined side surfaces of the diamond-shaped hood (304).
6. The waste heat utilization device for a steel smelting cooling pond according to claim 4, wherein: the inner dimension of the open slot (102) is matched with the overlook section dimension of the closing plate (201), the front section of the closing plate (201) is in an L-shaped structure, and the section dimension of the sliding block (204) and the positioning plate (203) is matched with the inner section dimension of the U-shaped slot (103).
7. The waste heat utilization device for a steel smelting cooling pond according to claim 5, wherein: the gas collecting hood (301) is embedded at the top of the cooling pool (101), the diamond-shaped hood (304) is located inside the cooling pool (101), and the diamond-shaped hood (304) is communicated with the inside of the gas collecting hood (301).
CN202321250912.5U 2023-05-23 2023-05-23 Waste heat utilization device for steel smelting cooling pool Active CN219934688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321250912.5U CN219934688U (en) 2023-05-23 2023-05-23 Waste heat utilization device for steel smelting cooling pool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321250912.5U CN219934688U (en) 2023-05-23 2023-05-23 Waste heat utilization device for steel smelting cooling pool

Publications (1)

Publication Number Publication Date
CN219934688U true CN219934688U (en) 2023-10-31

Family

ID=88495797

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321250912.5U Active CN219934688U (en) 2023-05-23 2023-05-23 Waste heat utilization device for steel smelting cooling pool

Country Status (1)

Country Link
CN (1) CN219934688U (en)

Similar Documents

Publication Publication Date Title
WO2021208450A1 (en) Zinc recovery method and device for blast furnace or shaft furnace
CN219934688U (en) Waste heat utilization device for steel smelting cooling pool
CN207512217U (en) A kind of aluminium alloy processing quenching heat treatment process system
CN203866369U (en) Heat-source-free continued reduction device for magnetizing roasting in rotary kiln
CN212293647U (en) Dynamic sealing device for electric furnace continuous feeding device
CN214819424U (en) Forming die for pressing refractory materials
CN213578838U (en) Waste heat utilization device for cold-rolled sheet steel processing
CN211248191U (en) Water cooling equipment for casting sand
CN208116734U (en) A kind of non-oxidation copper alloy casting ingot device of nitrogen protection
CN210420091U (en) Closed preprocessing device of microfine dip-dyeing type gold mine
CN208586316U (en) A kind of blast furnace residue channel slide cover board
CN209065986U (en) A kind of moveable pit gas carburizing furnace
CN217330710U (en) Circulating cooling water furnace cover of smelting furnace
CN210826220U (en) Energy-saving and environment-friendly device for iron-making blast furnace coal
CN206638031U (en) A kind of new fuming furnace
CN217459485U (en) Gas mixing device provided with furnace bottom combined blowing structure and used for converter steelmaking
CN213873838U (en) Cooling device for ferronickel electric stove
CN211373214U (en) Environment-friendly forging piece heating gas furnace with waste gas treatment mechanism
CN213408153U (en) Environmental protection device for metallurgical equipment
CN218443375U (en) Heat recovery device for steel smelting
CN205741090U (en) A kind of direct reduced iron by rotary hearth furnace hot water quenching device
CN214990394U (en) Dust remover is transported to molten iron
CN213631527U (en) Smelting appliance for metallurgical machinery
CN219776398U (en) Yellow phosphorus slag pool tail gas integrated treatment system
CN204676110U (en) A kind of melting, reducing and smelting equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant