CN109550797A - One kind producing hot-rolled process residual neat recovering system for steel - Google Patents
One kind producing hot-rolled process residual neat recovering system for steel Download PDFInfo
- Publication number
- CN109550797A CN109550797A CN201811386986.5A CN201811386986A CN109550797A CN 109550797 A CN109550797 A CN 109550797A CN 201811386986 A CN201811386986 A CN 201811386986A CN 109550797 A CN109550797 A CN 109550797A
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- Prior art keywords
- steel
- cooling water
- fluid reservoir
- hot
- afterheat
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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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses one kind to produce hot-rolled process residual neat recovering system for steel, heater for rolling steel, Hot Rolling Mill, section cooling unit are the processes that steel hot rolling successively carries out, Hot Rolling Mill is connected with steel scrap afterheat heat exchanger respectively with section cooling unit, steel scrap afterheat heat exchanger is successively connected with cooling water outlet fluid reservoir, cooling water heat preheater, cooling water inlet fluid reservoir, section cooling unit, and cooling water inlet fluid reservoir is also connected with external source；The cooling water heat preheater is successively connected with fume afterheat evaporator, expanding machine, condenser, working medium pump, constitutes Organic Rankine Cycle, and expanding machine is also connected with generator.The step that the present invention realizes the waste heat of the steel waste heat and heater for rolling steel flue gas that cut off when the waste heat to laminar cooling water, rolling recycles, and makes full use of the waste heat of steel production hot-rolled process.
Description
Technical field
The present invention relates to the skills and technology field of steel production industry, specifically, being related to a kind of for steel production heat
Roll process residual neat recovering system.
Background technique
In each smelting procedure of iron and steel enterprise, steel rolling process is a very important link in Steel Production Flow Chart, is rolled
The energy consumption of steel process has very important influence to entire iron and steel enterprise's comprehensive energy consumption.
Unit used in hot-rolled process mainly includes heater for rolling steel, Hot Rolling Mill, section cooling unit, heater for rolling steel
Energy consumption occupies very big component in hot rolling total energy consumption, at present the control of the furnace equipment and heater for rolling steel of heater for rolling steel
System etc. have been relatively mature, and for heater for rolling steel, energy-efficient Main way should excavate in terms of flue gas waste heat recovery,
Also there are many related patents, such as CN106839789 for this respect, and being related to one kind, the present invention provides one kind based on air and coal gas
The heater for rolling steel residual neat recovering system of progressive solution, to solve the problems, such as that air in the related technology and coal gas heat exchange efficiency are poor,
It is generated electricity simultaneously using fume afterheat driven generator.CN206479054 is related to a kind of be based on more than converter and heater for rolling steel
The electricity generation system being thermally integrated, compared to the respective independent operating mould of conventional converter UTILIZATION OF VESIDUAL HEAT IN and heater for rolling steel UTILIZATION OF VESIDUAL HEAT IN
Formula, the mode therrmodynamic system is more compact, and cost of investment is lower.
Hot Rolling Mill and section cooling unit are also the two large divisions of hot-rolled process, but existing patent mostly only takes into account and rolls
The waste heat of steel heater flue gas recycles, and does not consider but to recycle in the waste heat of Hot Rolling Mill and section cooling unit, Hot Rolling Mill is wanted
Steel are sheared, section cooling unit carries out section cooling to steel with cooling water, the heat of the steel scrap cut off with
Heat that laminar cooling water is taken away and to be recycled.
Therefore, it is necessary for sufficiently recycling to hot-rolled process waste heat, and this patent will sufficiently recycle hot-rolled process
Waste heat, including heater for rolling steel fume afterheat, the waste heat for the steel scrap that hot rolling is cut off, the waste heat of laminar cooling water.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, provide a kind of for steel production hot-rolled process waste heat time
Receipts system sufficiently recycles the waste heat in steel production hot-rolled process each stage, generates considerable economic benefit, has important
Practical significance.
The present invention is the technical problem solved in background technique, the technical solution adopted is that: one kind is for steel production heat
Process residual neat recovering system is rolled, heater for rolling steel, Hot Rolling Mill, section cooling unit are the processes that steel hot rolling successively carries out,
It further include steel scrap afterheat heat exchanger, cooling water outlet fluid reservoir, cooling water heat preheater, cooling water inlet fluid reservoir, the external world
Water source, fume afterheat evaporator, expanding machine, generator, condenser, working medium pump；Hot Rolling Mill and section cooling unit respectively with
Steel scrap afterheat heat exchanger be connected, steel scrap afterheat heat exchanger successively with cooling water outlet fluid reservoir, cooling water heat preheater, cooling
Water inlet fluid reservoir, section cooling unit are connected, and cooling water inlet fluid reservoir is also connected with external source；The cooling water heat
Preheater is successively connected with fume afterheat evaporator, expanding machine, condenser, working medium pump, constitutes Organic Rankine Cycle, expanding machine is also
It is connected with generator.
The flue gas of the heater for rolling steel discharge is by the fume afterheat evaporator, the cigarette being discharged using heater for rolling steel
The medium temperature waste heat vaporization cycle working medium of gas, is discharged into atmosphere later.
The steel scrap that the Hot Rolling Mill is cut off is cold to the laminar flow of section cooling unit discharge in steel scrap afterheat heat exchanger
But water is heated.
Section cooling unit outflow cooling water and Hot Rolling Mill shearing steel are that interval carries out, with steel type and two
The interval of a adjacent steel part is related, is discharged curve according to section cooling unit and Hot Rolling Mill flying shear curve regulates and controls section cooling
The heat transfer process of water and steel scrap in steel scrap afterheat heat exchanger；Steel scrap afterheat heat exchanger is connect with cooling water outlet fluid reservoir, according to
Section cooling unit is discharged curve and regulates and controls cooling water outlet fluid reservoir, guarantees cooling water outlet fluid reservoir continuous effluent.
The utility model has the advantages that with good economic efficiency, environmental benefit, has important practical significance, show as follows:
1, the present invention can sufficiently recycle the waste heat in steel production course of hot rolling, more than heater for rolling steel flue gas
Heat, laminar cooling water used in cooling steel is taken away remaining in the steel scrap waste heat and section cooling unit that Hot Rolling Mill is cut off
Heat；And utilize exhaust heat stepped to generate electricity, it is with good economic efficiency.
2, while the steel scrap waste heat cut off using Hot Rolling Mill, the temperature of steel scrap is reduced, facilitates returning for steel scrap
It receives and utilizes.Meanwhile in the waste heat taken away using laminar cooling water used in steel cooling in section cooling unit, the present invention is also
Recycling for laminar cooling water is considered, is conducive to the water consume for reducing hot-rolled process, saves water resource.
3, the present invention recycles the waste heat of steel production course of hot rolling, to steel scrap while UTILIZATION OF VESIDUAL HEAT IN
Recycling, the saving of water resource are helpful.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for steel production hot-rolled process residual neat recovering system.
In figure, 1- heater for rolling steel, 2- Hot Rolling Mill, 3- section cooling unit, 4- steel scrap afterheat heat exchanger, 5- cooling water
Export fluid reservoir, 6- cooling water heat preheater, the cooling water inlet 7- fluid reservoir, 8- external source, 9- fume afterheat evaporator,
10- expanding machine, 11- generator, 12- condenser, 13- working medium pump.
Specific embodiment
An illustrative specific embodiment is described in detail with reference to the accompanying drawing, this patent is made by embodiment further
Detailed description, described specific embodiment are only explained the present invention, are not intended to limit the invention.
As shown in Figure 1, the present invention is a kind of to produce hot-rolled process residual neat recovering system for steel, including heater for rolling steel 1,
Hot Rolling Mill 2, section cooling unit 3, steel scrap afterheat heat exchanger 4, cooling water outlet fluid reservoir 5, cooling water heat preheater 6,
Cooling water inlet fluid reservoir 7, external source 8, fume afterheat evaporator 9, expanding machine 10, generator 11, condenser 12, working medium pump
13。
As shown in Figure 1, heater for rolling steel 1, Hot Rolling Mill 2, section cooling unit 3 are sequentially connected, steel production heat is constituted
Roll the practical process in stage；Section cooling unit 3, steel scrap afterheat heat exchanger 4, cooling water outlet fluid reservoir 5, cooling water heat are pre-
Hot device 6, cooling water inlet fluid reservoir 7 are sequentially connected in series, and cooling water inlet fluid reservoir 7 is also connected with external source 8, constitute cooling water
Circulation；The smoke discharge tube road of Hot Rolling Mill 2 is connected to steel scrap afterheat heat exchanger 4, heat transfer；More than heater for rolling steel 1 and flue gas
Hot vaporizer 9 is connected, heat transfer；Cooling water heat preheater 6, fume afterheat evaporator 9, expanding machine 10, condenser 12, working medium pump
13 are followed in series to form Organic Rankine Cycle；One end of expanding machine 10 is connected with generator 11, exports electric energy.More than the cooling water
Hot preheater is connect with the fume afterheat evaporator, using the cooling water outlet fluid reservoir outflow cooling water it is low-grade
Heat source warm-up cycle working medium utilizes the medium temperature waste heat vaporization cycle working medium of the flue gas of heater for rolling steel discharge, the flue gas
Residual evaporator is connect with the expanding machine, and saturated vapor working medium, which enters in expanding machine, does work, and drives the electrical power generators, it
Cycle fluid enters decrease temperature and pressure in the condenser afterwards, and the working medium pump is connect with the condenser, comes out from condenser
Cycle fluid enters the cooling water heat preheater after working medium pump pressurization, completes a thermodynamic cycle.
The section cooling that the steel scrap that Hot Rolling Mill 2 is cut off is discharged section cooling unit 3 in steel scrap afterheat heat exchanger 4
Water is heated, and can be recycled after steel scrap is cooling, it is heated after laminar cooling water enter cooling water outlet fluid reservoir 5,
Cooling water flows into cooling water heat preheater 6 after 5 water yield adjusting of cooling water outlet fluid reservoir, and cooling water flows into cooling later
Water inlet fluid reservoir 7, while external source 8 is also connected with cooling water inlet fluid reservoir 7, guarantee section cooling unit 3 uses water
Demand, cooling water inlet fluid reservoir 7 are connect with section cooling unit 3, are carried out section cooling to steel using cooling water, are completed water
Circulation.
The flue gas that heater for rolling steel 1 is discharged after the fume afterheat evaporator 9 by being discharged into atmosphere.
Cooling water heat preheater 6 is connect with fume afterheat evaporator 9, is flowed out using cooling water outlet fluid reservoir 5 cold
But the low-grade heat source warm-up cycle working medium of water, using heater for rolling steel 1 be discharged flue gas medium temperature waste heat vaporization cycle working medium,
Fume afterheat evaporator 9 is connect with expanding machine 10, and saturated vapor working medium, which enters in expanding machine 10, does work, and drives the generator 11
Power generation, cycle fluid enters decrease temperature and pressure in condenser 12 later, and the cycle fluid come out from condenser 12 adds through working medium pump 13
Enter cooling water heat preheater 6 after pressure, completes a thermodynamic cycle.
The present invention can make full use of the waste heat of hot-rolled process, which mainly includes that Hot Rolling Mill 2 is cut off
Steel scrap waste heat, the waste heat and heater for rolling steel 1 of the laminar cooling water that section cooling unit 3 is discharged discharge the waste heat of flue gas.
The steel scrap cut off with Hot Rolling Mill 2 heats the laminar flow of the discharge of laminar flow cooler group 3 in steel scrap afterheat heat exchanger 4
Cooling water, improves the temperature of the laminar cooling water of discharge, and reduces steel scrap temperature, so as to the recycling of steel scrap.
Using the low grade heat energy warm-up cycle working medium of the laminar cooling water after scrap heating, heater for rolling steel flue gas is utilized
Waste heat vaporization cycle working medium.Cooling water inlet fluid reservoir 7 is connected with cooling water heat preheater 6 and external source 8 respectively, recycling
While cooling water, guarantee the sufficient with water of section cooling unit 3.The cooling water flowed out by cooling water heat preheater 6 needs
Cooling water inlet heat storage can 7 can just be entered by being cooled to 35 DEG C or less, to meet the production requirement of section cooling unit 3.
Although at least one exemplary embodiment of the invention is described in detail above in association with attached drawing, should manage
There are many alternate embodiments in practical application of the invention for solution, and the invention is not limited to above-mentioned embodiments.Also answer
Understand that one or more exemplary embodiments are only examples, purpose is not intended to limit the scope of the present invention, applicability or structure
It makes.On the contrary, the those skilled in the art that are specifically described as of front provide the embodiment of at least one exemplary embodiment.It answers
Understand, under the inspiration of the present invention, various changes is made to the function and arrangement of device in exemplary embodiment, without departing from power
Benefit requires and its range of equivalents, these changes belong within protection of the invention.
Claims (4)
1. one kind produces hot-rolled process residual neat recovering system, heater for rolling steel (1), Hot Rolling Mill (2), section cooling for steel
Unit (3) is the process that steel hot rolling successively carries out, which is characterized in that further includes steel scrap afterheat heat exchanger (4), cooling water outlet
Fluid reservoir (5), cooling water heat preheater (6), cooling water inlet fluid reservoir (7), external source (8), fume afterheat evaporator
(9), expanding machine (10), generator (11), condenser (12), working medium pump (13)；Hot Rolling Mill (2) and section cooling unit (3)
Be connected respectively with steel scrap afterheat heat exchanger (4), steel scrap afterheat heat exchanger (4) successively with cooling water outlet fluid reservoir (5), cooling water
Waste heat preheater (6), cooling water inlet fluid reservoir (7), section cooling unit (3) be connected, cooling water inlet fluid reservoir (7) also with
External source (8) is connected；The cooling water heat preheater (6) successively with fume afterheat evaporator (9), expanding machine (10), solidifying
Vapour device (12), working medium pump (13) are connected, and constitute Organic Rankine Cycle, and expanding machine (10) is also connected with generator (11).
2. according to claim 1 a kind of for steel production hot-rolled process residual neat recovering system, which is characterized in that described
The flue gas of heater for rolling steel (1) discharge is by fume afterheat evaporator (9), in the flue gas using heater for rolling steel (1) discharge
Warm waste heat vaporization cycle working medium, is discharged into atmosphere later.
3. according to claim 1 a kind of for steel production hot-rolled process residual neat recovering system, which is characterized in that described
The steel scrap that Hot Rolling Mill (2) is cut off is in steel scrap afterheat heat exchanger (4) to the laminar cooling water of section cooling unit (3) discharge
It is heated.
4. according to claim 1 a kind of for steel production hot-rolled process residual neat recovering system, which is characterized in that described
Section cooling unit (3) outflow cooling water and Hot Rolling Mill (2) shearing steel are that interval carries out, with steel type and two
The interval of adjacent steel part is related, is discharged curve according to section cooling unit (3) and Hot Rolling Mill (2) flying shear curve regulates and controls laminar flow
The heat transfer process of cooling water and steel scrap in steel scrap afterheat heat exchanger (4)；Steel scrap afterheat heat exchanger (4) and cooling water outlet fluid reservoir
(5) it connects, is discharged curve regulation cooling water outlet fluid reservoir (5) according to section cooling unit (3), guarantees cooling water outlet liquid storage
Tank (5) continuous effluent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386986.5A CN109550797A (en) | 2018-11-20 | 2018-11-20 | One kind producing hot-rolled process residual neat recovering system for steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386986.5A CN109550797A (en) | 2018-11-20 | 2018-11-20 | One kind producing hot-rolled process residual neat recovering system for steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109550797A true CN109550797A (en) | 2019-04-02 |
Family
ID=65866687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811386986.5A Pending CN109550797A (en) | 2018-11-20 | 2018-11-20 | One kind producing hot-rolled process residual neat recovering system for steel |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935736A (en) * | 2019-11-25 | 2020-03-31 | 山东宏旺实业有限公司 | Cold-rolled strip steel waste heat recycling device and using method thereof |
| CN114643292A (en) * | 2022-03-17 | 2022-06-21 | 河北鑫达钢铁集团有限公司 | Strip steel cooling device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110120522A (en) * | 2010-04-29 | 2011-11-04 | 현대제철 주식회사 | Device of a uniform laminar flow for cooling hot steel strip equipped to descaler |
| CN202030802U (en) * | 2011-04-19 | 2011-11-09 | 张东平 | Flue gas waste heat utilization device of steel-rolling heating furnace |
| CN102425954A (en) * | 2011-12-09 | 2012-04-25 | 昆明理工大学 | Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system |
| CN103567222A (en) * | 2013-10-12 | 2014-02-12 | 酒泉钢铁(集团)有限责任公司 | Hot rolling collinear production line and production process for steel and aluminum alloy plate and strip products |
| CN204098972U (en) * | 2014-08-15 | 2015-01-14 | 国核柏斯顿新能源科技(北京)有限公司 | Adopt the low temperature water power generation system of extraction cycle technology |
| CN204572097U (en) * | 2015-03-31 | 2015-08-19 | 上海齐耀膨胀机有限公司 | Screw expander residual neat recovering system |
| CN105464730A (en) * | 2016-01-07 | 2016-04-06 | 上海维尔泰克螺杆机械有限公司 | Waste heat recovery system for low-temperature flue gases and low-temperature hot fluids |
| CN106679439A (en) * | 2017-02-08 | 2017-05-17 | 中冶华天工程技术有限公司 | Waste heat utilization system for steel rolling heating furnace |
| CN206378008U (en) * | 2016-12-30 | 2017-08-04 | 华北水利水电大学 | A kind of organic Rankine bottoming cycle afterheat generating system |
| CN209631819U (en) * | 2018-11-20 | 2019-11-15 | 天津大学 | One kind producing hot-rolled process residual neat recovering system for steel |
-
2018
- 2018-11-20 CN CN201811386986.5A patent/CN109550797A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110120522A (en) * | 2010-04-29 | 2011-11-04 | 현대제철 주식회사 | Device of a uniform laminar flow for cooling hot steel strip equipped to descaler |
| CN202030802U (en) * | 2011-04-19 | 2011-11-09 | 张东平 | Flue gas waste heat utilization device of steel-rolling heating furnace |
| CN102425954A (en) * | 2011-12-09 | 2012-04-25 | 昆明理工大学 | Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system |
| CN103567222A (en) * | 2013-10-12 | 2014-02-12 | 酒泉钢铁(集团)有限责任公司 | Hot rolling collinear production line and production process for steel and aluminum alloy plate and strip products |
| CN204098972U (en) * | 2014-08-15 | 2015-01-14 | 国核柏斯顿新能源科技(北京)有限公司 | Adopt the low temperature water power generation system of extraction cycle technology |
| CN204572097U (en) * | 2015-03-31 | 2015-08-19 | 上海齐耀膨胀机有限公司 | Screw expander residual neat recovering system |
| CN105464730A (en) * | 2016-01-07 | 2016-04-06 | 上海维尔泰克螺杆机械有限公司 | Waste heat recovery system for low-temperature flue gases and low-temperature hot fluids |
| CN206378008U (en) * | 2016-12-30 | 2017-08-04 | 华北水利水电大学 | A kind of organic Rankine bottoming cycle afterheat generating system |
| CN106679439A (en) * | 2017-02-08 | 2017-05-17 | 中冶华天工程技术有限公司 | Waste heat utilization system for steel rolling heating furnace |
| CN209631819U (en) * | 2018-11-20 | 2019-11-15 | 天津大学 | One kind producing hot-rolled process residual neat recovering system for steel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935736A (en) * | 2019-11-25 | 2020-03-31 | 山东宏旺实业有限公司 | Cold-rolled strip steel waste heat recycling device and using method thereof |
| CN114643292A (en) * | 2022-03-17 | 2022-06-21 | 河北鑫达钢铁集团有限公司 | Strip steel cooling device |
| CN114643292B (en) * | 2022-03-17 | 2023-06-30 | 河北鑫达钢铁集团有限公司 | Strip steel cooling device |
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