CN221301998U - Cover-type cooling waste heat recovery device for hot rolled strip steel - Google Patents
Cover-type cooling waste heat recovery device for hot rolled strip steel Download PDFInfo
- Publication number
- CN221301998U CN221301998U CN202323111486.XU CN202323111486U CN221301998U CN 221301998 U CN221301998 U CN 221301998U CN 202323111486 U CN202323111486 U CN 202323111486U CN 221301998 U CN221301998 U CN 221301998U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- radiation heat
- convection
- temperature
- exchange module
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 230000005855 radiation Effects 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 238000005098 hot rolling Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 13
- 238000011033 desalting Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model relates to the technical field of energy conservation and consumption reduction in the steel industry, and discloses a device with a cover type cooling waste heat recovery device for hot rolled strip steel. The utility model adopts air forced convection heat exchange and radiation heat exchange, can fully improve the heat recovery efficiency and the heat recovery quantity, the two-stage heat exchangers are connected in series, the temperature is increased step by step, high-temperature steam is generated by utilization, meanwhile, the heat exchange module is an independent closed space, the space creates a low-oxygen environment for products such as hot-rolled high Wen Daigang, wire rods and the like, the generation of oxide skin of hot-rolled products is reduced, and the product yield and quality are improved.
Description
Technical Field
The utility model relates to the technical field of energy conservation and consumption reduction in the steel industry, in particular to a cover-type cooling waste heat recovery device for hot rolled strip steel.
Background
The comprehensive energy consumption of steel per ton in China is about 15% higher than the international advanced level. The energy consumption of 48.6% of sintering process, 37.8% of iron making process, 76% of converter process and 38.7% of electric furnace process is higher than the reference limit value (the electric power index coefficient is calculated according to the equivalent value) in the national mandatory standard of the national standard of the energy consumption limit of the unit product of crude steel production, and the energy consumption of 13% of coking process is higher than the reference limit value (the electric power index coefficient is calculated according to the equivalent value) in the national mandatory standard of the national limit of the energy consumption limit of the unit product of coke. The gas diffusion rates of the blast furnace and the converter reach 6% and 10% respectively, the average recycling rate of waste heat and residual energy of the foreign advanced iron and steel enterprises is 80%, the average recycling rate of waste heat and residual energy of the foreign advanced iron and steel enterprises is more than 90%, the recycling rate of waste heat resources of large and medium iron and steel enterprises in China is 30% -50%, and the average value in China is lower; for hot rolling cooling waste heat recovery, the domestic state is basically blank at present.
The technology of the utility model is a hot rolling cooling and waste heat recovery system, which can recover high-temperature heat energy released in the cooling process while cooling hot rolled products such as strip steel, wire rods and section steel, and can realize cooling of high-temperature steel such as Wen Daigang and wire rods in a low-oxygen enclosed space in the hot rolling cooling process, thereby reducing oxide skin of the steel products, improving the yield of the steel, and recovering the high-temperature heat energy to generate high-temperature steam.
Disclosure of utility model
The utility model aims to provide a cover-type cooling waste heat recovery device for hot rolled strip steel, which is used for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A have cover-type cooling waste heat recovery device for hot rolling belted steel, including demineralized water tank, high temperature radiation heat transfer module and convection radiation heat transfer module, demineralized water tank surface right side bottom fixedly connected with demineralized water pump, demineralized water pump surface right side is provided with the deaerator, deaerator surface right side fixedly connected with high pressure moisturizing pump, high pressure moisturizing pump surface right side fixedly connected with waste heat recovery system circulating water pump, high temperature radiation heat transfer module and convection radiation heat transfer module surface both sides are corresponding with waste heat recovery system circulating water pump.
Preferably, the high-temperature radiation heat exchange module comprises a first bracket, a first metal conveying chain plate, a first hot-rolled product, a liquid level meter, a steam drum, a first radiation heat exchange membrane plate, a lower header and a first maintenance work door, wherein the first bracket is fixedly arranged on the periphery of the bottom of the high-temperature radiation heat exchange module, the first metal conveying chain plate is arranged on the top surface of the first bracket, the first hot-rolled product is movably arranged on the top surface of the first metal conveying chain plate, the first radiation heat exchange membrane plate is fixedly arranged on two sides of the top surface of the first bracket, the steam drum is arranged on one side of the top surface of the radiation heat exchange membrane plate, the liquid level meter is arranged on the right side of the surface of the steam drum, the lower header is fixedly connected to the bottom surface of the steam drum, and the maintenance work door is generally arranged on the bottom surface of the lower header.
Preferably, the convection radiation heat exchange module comprises a support II, a metal conveying chain plate II, a hot rolling product II, a preheating heat exchange tube, a convection heat exchange tube, an air tube, a circulating fan, a static pressure cavity, a maintenance work door II and an operating platform, wherein the support II is fixedly arranged on the periphery of the bottom surface of the convection radiation heat exchange module, the metal conveying chain plate II is arranged on the top surface of the support II, the hot rolling product II is movably arranged on the top surface of the metal conveying chain plate II, the preheating heat exchange tube is movably arranged at the bottom of the inner side of the convection radiation heat exchange module, the convection heat exchange tube is arranged at the top of the preheating heat exchange tube, the air tube is fixedly arranged on the top surface of the convection heat exchange tube, the circulating fan is fixedly arranged on the right side of the surface of the air tube, the static pressure cavity is arranged on the bottom surface of the circulating fan, a strip seam wind gap is formed in the left end of the inner side bottom of the static pressure cavity, the maintenance work door II is arranged on the bottom surface of the static pressure cavity, and the operating platform is arranged on the right side of the surface of the convection radiation heat exchange module.
Preferably, 1-2 high-temperature radiation heat exchange modules are arranged, 6-10 convection radiation heat exchange modules are arranged, two-two or three-three convection radiation heat exchange modules are connected in parallel and then connected in series, finally the two-two or three-three convection radiation heat exchange modules enter the high-temperature radiation heat exchange module in series, the high-temperature radiation heat exchange module is arranged in a high-temperature area to recover high-temperature radiation heat energy in the 600-900 ℃ area, the convection radiation heat exchange module is arranged in a low-temperature area to recover heat energy below 600 ℃, the high-temperature radiation heat exchange efficiency is highest, and because the space is basically closed, the air oxygen content in the space is very low, the oxidation of steel is slowed down, and the generation of iron oxide scale is reduced.
Preferably, the demineralized water pump conveys the demineralized water pump to the deaerator for deaeration, the high-pressure water supplementing pump supplements deaerated water after deaeration into the inlet of the circulating water pump of the waste heat recovery system, the circulating water pump pumps hot water in the steam drum and the supplemented demineralized water into the heat exchange tube arranged at the upper part of the convection radiation heat exchange module to recover heat energy of hot rolled products, the deaerated water is increased in temperature, the high-temperature demineralized water after temperature increase enters the high-temperature radiation heat exchange module through a serial pipeline to recover high-temperature radiation in a high-temperature area, the temperature continues to increase, finally, the deaerated water enters the steam drum, high-temperature steam and high-temperature water are separated in the steam drum, the high-temperature steam is used for production, the high-temperature water and the water supplement are mixed and enter the heat exchange system for circulating reciprocation under the action of the circulating water pump, the circulating water pump firstly conveys the demineralized water to the preheating heat exchange tube of the convection radiation heat exchange module, then conveys the high-temperature demineralized water to the convection heat exchange tube at the upper part of the convection radiation heat exchange module, then finally flows out from the tube bundle at the lower part of the convection heat exchange tube layer by layer, the high-temperature air in the convection heat exchange module and high-temperature heat exchange product radiation heat exchange is carried out by the convection strongly at the convection tube bundle, and the temperature in the convection heat exchange is carried out rapidly. The high-temperature desalted water with the increased temperature enters a header pipe at the lower part of the high-temperature radiation heat exchange module through a serial pipeline, then enters a radiation heat exchange membrane plate in parallel to recover the high-temperature radiation temperature of a high-temperature area to be the highest, finally enters a steam drum at the upper part of the radiation heat exchange module, is subjected to steam-water separation, and the high-temperature steam enters a production system, and is mixed with the water supplement of the system to carry out circulating heat exchange.
Preferably, the convection radiation heat exchange module is provided with a convection heat exchange fan, and a high-temperature convection heat exchange air system is formed by air in the convection heat exchange module through the fan.
Preferably, the convection radiation heat exchange module is arranged at the upper part and the lower part of the high-temperature hot rolled strip steel and the upper part and the lower part of the wire rod, and the low-oxygen-content empty medium in the closed space cools the high-temperature hot rolled product, so that the oxidation of the hot rolled steel is reduced, the characteristics of the steel product and the steel are improved, and meanwhile, the high-temperature heat energy in the cooling process of the hot rolled steel is recovered.
Preferably, the high-temperature radiation heat exchange module adopts membrane plate radiation heat exchange, is provided with a lower header pipe and a steam drum, and the steam drum is arranged above the high-temperature radiation heat exchange module, so that steam-water separation can be effectively realized, high-temperature steam can go to a production system, and high-temperature water and system water supplementing are mixed for continuous circulation heat exchange.
Preferably, the high-temperature radiation heat exchange module and the convection radiation heat exchange module are both designed with openable access doors, the access doors are normally closed, and the access doors can be opened at any time when the product needs personnel to adjust or overhaul.
The utility model provides a cover-type cooling waste heat recovery device for hot rolled strip steel, which has the following beneficial effects:
(1) The utility model can fully improve the heat recovery efficiency and the heat recovery quantity by adopting forced convection heat exchange and radiation heat exchange of air, the two-stage heat exchangers are connected in series, the temperature is increased step by step, high-temperature steam is generated by utilizing the heat exchangers, meanwhile, the heat exchange module is an independent closed space, the space creates a low-oxygen environment for products such as hot-rolled high Wen Daigang, wire rods and the like, the generation of oxide skin of hot-rolled products is reduced, and the product yield and quality are improved.
(2) According to the utility model, through the modularized design, each module can be disassembled, and meanwhile, the heat exchange module is provided with the overhaul operation door, so that the influence on the hot rolled steel production process is minimized.
Drawings
FIG. 1 is a schematic diagram of a hot rolling cooling and heat recovery system in front of the present utility model;
FIG. 2 is a schematic view of the inside of the structure of the high temperature radiator in front of the present utility model;
FIG. 3 is a schematic view of the interior of a front side convection radiant heat exchanger structure of the present utility model;
FIG. 4 is a schematic diagram of a hot rolling cooling and heat recovery heat exchange module arrangement of the present utility model;
FIG. 5 is a schematic diagram of a hot rolling cooling and heat recovery system according to a side of the present utility model;
FIG. 6 is a schematic diagram of a side high temperature radiant heat exchange module according to the present utility model;
FIG. 7 is a schematic diagram of the layout of a heat exchange module for heat recovery with an overhaul platform for hot rolling cooling according to the present utility model.
In the figure: 1. a desalting water tank; 2. a desalting water pump; 3. a deaerator; 4. a high-pressure water supplementing pump; 5. a high temperature radiation heat exchange module; 501. a first bracket; 502. a first metal conveying chain plate; 503. hot rolling the first product; 504. a liquid level gauge; 505. a steam drum; 506. a radiation heat exchange membrane plate I; 507. a lower header; 508. a first maintenance work door; 6. a convection radiation heat exchange module; 601. a second bracket; 602. a second metal conveying chain plate; 603. hot rolling a second product; 604. preheating a heat exchange tube; 605. a convection heat exchange tube; 606. an air duct; 607. a circulating fan; 608. a static pressure cavity; 609. a slit tuyere; 610. a second maintenance work door; 611. an operation table; 7. and a circulating water pump of the waste heat recovery system.
Detailed Description
The utility model provides the following technical scheme:
as shown in fig. 1-7, the device with the hood type cooling waste heat recovery device for hot rolled strip steel comprises a desalting water tank 1, a high-temperature radiation heat exchange module 5 and a convection radiation heat exchange module 6, wherein a desalting water pump 2 is fixedly connected to the bottom of the right side of the surface of the desalting water tank 1, a deaerator 3 is arranged on the right side of the surface of the desalting water pump 2, a high-pressure water supplementing pump 4 is fixedly connected to the right side of the surface of the deaerator 3, a waste heat recovery system circulating water pump 7 is fixedly connected to the right side of the surface of the high-pressure water supplementing pump 4, and two sides of the surfaces of the high-temperature radiation heat exchange module 5 and the convection radiation heat exchange module 6 are correspondingly connected with the waste heat recovery system circulating water pump 7.
The high-temperature radiation heat exchange module 5 comprises a first bracket 501, a first metal conveying chain plate 502, a first hot-rolled product 503, a liquid level meter 504, a steam drum 505, a first radiation heat exchange membrane plate 506, a lower header 507 and a first maintenance work door 508, wherein the first bracket 501 is fixedly arranged on the periphery of the bottom of the high-temperature radiation heat exchange module 5, the first metal conveying chain plate 502 is arranged on the top surface of the first bracket 501, the first hot-rolled product 503 is movably arranged on the top surface of the first metal conveying chain plate 502, the first radiation heat exchange membrane plate 506 is fixedly arranged on two sides of the top surface of the first bracket 501, the steam drum 505 is arranged on one side of the top surface of the first radiation heat exchange membrane plate 506, the liquid level meter 504 is arranged on the right side of the surface of the steam drum 505, the lower header 507 is fixedly connected to the bottom surface of the steam drum 505, and the first maintenance work door 508 is arranged on the bottom surface of the lower header 507.
The convection radiation heat exchange module 6 comprises a second support 601, a second metal conveying chain plate 602, a second hot-rolled product 603, a preheating heat exchange tube 604, a convection heat exchange tube 605, an air pipe 606, a circulating fan 607, a static pressure cavity 608, a second maintenance work door 610 and an operation table 611, wherein the second support 601 is fixedly arranged on the periphery of the bottom surface of the convection radiation heat exchange module 6, the second metal conveying chain plate 602 is arranged on the top surface of the second support 601, the second hot-rolled product 603 is movably arranged on the top surface of the second metal conveying chain plate 602, the preheating heat exchange tube 604 is movably arranged at the inner bottom of the convection radiation heat exchange module 6, the convection heat exchange tube 605 is arranged at the top of the preheating heat exchange tube 604, the air pipe 606 is fixedly arranged on the top surface of the convection heat exchange tube 605, the circulating fan 607 is fixedly arranged on the right side of the surface of the air pipe 606, the static pressure cavity 608 is arranged on the bottom surface of the circulating fan 607, a slit air port 609 is arranged at the left end of the inner side of the static pressure cavity 608, the second maintenance work door 610 is arranged on the bottom surface of the static pressure cavity 608, and the operation table 611 is arranged on the right side of the surface of the convection radiation heat exchange module 6.
Through adopting air forced convection heat transfer and radiation heat transfer, can fully improve heat recovery efficiency and heat recovery volume, the two-stage heat exchanger is established ties, and the temperature rises step by step, has the utilization and produces high temperature steam, and heat exchange module is independent enclosure space simultaneously, and this space is for hot rolling high Wen Daigang, products such as wire rod create a low oxygen environment, has reduced the production of hot rolling product oxide skin, has improved product output and quality, and modular design, and every module can all be dismantled, and heat exchange module has designed the maintenance operation door simultaneously, has done the influence minimum to hot rolling steel production technology.
When the deaeration water treatment device is used, deaerated and supplemented into the inlet of the circulating water pump of the convection heat exchange system through the deaerator 3, hot water in the steam drum 505 and supplemented deaerated water are pumped into the convection radiation heat exchange module 6 by the circulating water pump to recycle the deaerated water temperature of hot rolled products, the deaerated water temperature is increased, the high-temperature deaerated water after the temperature increase enters the high-temperature radiation heat exchange module 5 under the action of the circulating water pump to recycle high-temperature radiation in a high-temperature area, the temperature is continuously increased, finally the deaerated water enters the steam drum 505, high-temperature steam and high-temperature water are separated in the steam drum 505, the high-temperature steam is supplied for production, and the high-temperature water and the supplemented water are mixed and enter the heat exchange system to be circulated and reciprocated under the action of the circulating water pump.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (8)
1. A have cover-type cooling waste heat recovery device for hot rolling belted steel, including desalting water tank (1), high temperature radiation heat transfer module (5) and convection radiation heat transfer module (6), its characterized in that: the novel deaeration device is characterized in that a deaeration water pump (2) is fixedly connected to the bottom of the right side of the surface of the deaeration water tank (1), a deaerator (3) is arranged on the right side of the surface of the deaeration water pump (2), a high-pressure water supplementing pump (4) is fixedly connected to the right side of the surface of the deaerator (3), a waste heat recovery system circulating water pump (7) is fixedly connected to the right side of the surface of the high-pressure water supplementing pump (4), and the two sides of the surfaces of the high-temperature radiation heat exchange module (5) and the convection radiation heat exchange module (6) are correspondingly connected with the waste heat recovery system circulating water pump (7).
2. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 1, wherein: the high-temperature radiation heat exchange module (5) comprises a support I (501), a metal conveying chain plate I (502), a hot rolling product I (503), a liquid level meter (504), a steam drum (505), a radiation heat exchange membrane plate I (506), a lower collecting pipe (507) and a maintenance work door I (508), wherein the support I (501) is fixedly arranged on the periphery of the bottom of the high-temperature radiation heat exchange module (5), the metal conveying chain plate I (502) is arranged on the top surface of the support I (501), the hot rolling product I (503) is movably arranged on the top surface of the metal conveying chain plate I (502), the radiation heat exchange membrane plate I (506) is fixedly arranged on two sides of the top surface of the support I (501), the steam drum (505) is arranged on one side of the top surface of the radiation heat exchange membrane plate I (506), the liquid level meter (504) is arranged on the right side of the surface of the steam drum (505), the lower collecting pipe (507) is fixedly connected to the bottom surface of the steam drum (505), and the maintenance work door I (508) is arranged on the bottom surface of the lower collecting pipe (507).
3. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 1, wherein: the convection radiation heat exchange module (6) comprises a bracket II (601), a metal conveying chain plate II (602), a hot rolling product II (603), a preheating heat exchange tube (604), a convection heat exchange tube (605), an air pipe (606), a circulating fan (607), a static pressure cavity (608), a maintenance work door II (610) and an operation table (611), wherein the bracket II (601) is fixedly arranged on the periphery of the bottom surface of the convection radiation heat exchange module (6), the metal conveying chain plate II (602) is arranged on the top surface of the bracket II (601), the hot rolling product II (603) is movably arranged on the top surface of the metal conveying chain plate II (602), the preheating heat exchange tube (604) is movably arranged at the inner bottom of the convection radiation heat exchange module (6), the convection heat exchange tube (605) is arranged at the top of the preheating heat exchange tube (604), the air pipe (606) is fixedly arranged on the top surface of the convection heat exchange tube (605), the circulating fan (607) is fixedly arranged on the right side of the surface of the air pipe (606), the static pressure cavity (608) is arranged on the bottom surface of the circulating fan (607), the inner side slit (609) is arranged on the bottom surface of the static pressure cavity (608), the maintenance work door (610) is arranged at the bottom of the left side of the static pressure cavity (608), the operation table (611) is arranged on the right side of the surface of the convection radiation heat exchange module (6).
4. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 1, wherein: the high-temperature radiation heat exchange modules (5) are 1-2, the number of the convection radiation heat exchange modules (6) is 6-10, the convection radiation heat exchange modules (6) are connected in parallel in two-two or three-three mode, then connected in series, and finally connected in series to enter the high-temperature radiation heat exchange modules (5).
5. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 3, wherein: the convection radiation heat exchange module (6) is provided with a convection heat exchange fan, and a high-temperature convection heat exchange air system is formed by air in the convection heat exchange module through the fan.
6. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 3, wherein: the convection radiation heat exchange modules (6) are arranged at the upper part and the lower part of the high-temperature hot-rolled strip steel and the upper part and the lower part of the coil rod product.
7. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 2, wherein: the high-temperature radiation heat exchange module (5) adopts a membrane plate to exchange heat in a radiation way, a lower header (507) and a steam drum (505) are designed, and the steam drum (505) is arranged above the high-temperature radiation heat exchange module (5).
8. The apparatus for recovering residual heat with hood-type cooling for hot rolled steel strip as claimed in claim 1, wherein: the high-temperature radiation heat exchange module (5) and the convection radiation heat exchange module (6) are both provided with openable access doors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323111486.XU CN221301998U (en) | 2023-11-17 | 2023-11-17 | Cover-type cooling waste heat recovery device for hot rolled strip steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323111486.XU CN221301998U (en) | 2023-11-17 | 2023-11-17 | Cover-type cooling waste heat recovery device for hot rolled strip steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221301998U true CN221301998U (en) | 2024-07-09 |
Family
ID=91734084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323111486.XU Active CN221301998U (en) | 2023-11-17 | 2023-11-17 | Cover-type cooling waste heat recovery device for hot rolled strip steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221301998U (en) |
-
2023
- 2023-11-17 CN CN202323111486.XU patent/CN221301998U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102923699B (en) | Continuous pyrographite purifying device | |
| CN103063047A (en) | Constant-temperature combined cycle sintering flue gas waste heat recovery system | |
| CN106247301A (en) | A kind of steel-smelting electric furnace fume afterheat efficient system for reclaiming and method | |
| CN211814285U (en) | Heat exchange system of diesel hydrogenation device | |
| CN221301998U (en) | Cover-type cooling waste heat recovery device for hot rolled strip steel | |
| CN101899562B (en) | Waste heat utilization steel strip heat treatment system | |
| CN213232192U (en) | Wine brewing cooling circulation system with waste heat grading recovery function | |
| CN201770747U (en) | Residual-heat utilization steel-tape heat treatment system | |
| CN116105508A (en) | Electric furnace waste heat recovery system and method based on molten salt energy storage | |
| CN206618280U (en) | A kind of waste heat of annealing kiln steam electric power generator | |
| CN212720897U (en) | Cooling system of waste heat boiler water pump matched with Olympic furnace | |
| CN203116539U (en) | Constant-temperature combined cycle sintering flue gas waste heat recovery system | |
| CN211947179U (en) | Equipment for preparing and purifying nuclear pure-grade cooling material in sodium-cooled fast reactor | |
| CN206382012U (en) | A kind of crylic acid hydroxy ester tubular reactor | |
| CN102886151B (en) | Device and method for recovering heat from three-tower methanol rectification | |
| CN202175722U (en) | Forced cooling structure for cell shell of aluminum electrolytic cell | |
| CN207537478U (en) | A kind of system using high-temperature gas-cooled reactor heat supply production sponge iron | |
| CN2842283Y (en) | Electrolysis hydrogen-producing gas-heat-supplying apparatus | |
| CN219624514U (en) | Molten salt energy storage system for waste heat recovery of electric furnace | |
| CN212585447U (en) | High-temperature solid material waste heat recovery system with shaft kiln structure | |
| CN211373274U (en) | Novel pyrite acid making cinder waste heat recovery device | |
| CN218717035U (en) | Aluminum electrolysis flue gas waste heat utilization system | |
| CN213977760U (en) | Non-blast furnace gas waste heat utilization system | |
| CN213238482U (en) | Unpowered waste heat utilization structure of sintering circular cooler low-temperature section flue gas | |
| CN102887487A (en) | Method for concentrating titanium dioxide waste acid by utilizing solar energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |