CN207730035U - Sintering with Organic Rankine Cycle cools down power generation system using waste heat - Google Patents
Sintering with Organic Rankine Cycle cools down power generation system using waste heat Download PDFInfo
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- CN207730035U CN207730035U CN201721678861.0U CN201721678861U CN207730035U CN 207730035 U CN207730035 U CN 207730035U CN 201721678861 U CN201721678861 U CN 201721678861U CN 207730035 U CN207730035 U CN 207730035U
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Abstract
The utility model is related to the sintering with Organic Rankine Cycle to cool down power generation system using waste heat.Including sinter waste heat recovery apparatus, waste heat boiler, cooling tower, condenser and economizer etc.；It further include the organic Rankine cycle power generation system being made of evaporator, expanding machine, the second generator, regenerator and condenser.The cooling exhaust gas of sintering initially enters in evaporator, enters heating boiler feed water in economizer after exchanging heat with organic media, finally enters in sinter waste-heat recovery device and is used as cooling medium circulation；Organic working medium after heat exchange enters acting power generation in expanding machine, enters in condenser through regenerator and condenses, is most forced into evaporator and recycles through working medium pump afterwards；The cooling water come out from cooling tower after cooling organic working medium, comes back in cooling tower under the action of cooling water pump and recycles in condenser.The depth that the utility model realizes the cooling waste gas residual heat of sintering recycles, and further increases sinter waste heat power generation.
Description
Technical field
The utility model is related to heat recovery fields, and in particular to the sintering with Organic Rankine Cycle cools down exhaust gas
Afterheat generating system.
Background technology
Currently, sintering circuit energy consumption accounts for the 10% ~ 15% of the energy consumption total amount of Iron and Steel Enterprises in China, but sintering circuit
Average energy consumption be but higher by 19% or more than developed countries, it is insufficient the main reason is that sintering process utilization rate of waste heat is low
30%.In the composition of waste heat resources in sintering process, sinter residual heat resources account for 65% ~ 71%, and therefore, how high efficiente callback utilizes
Sinter residual heat resources are all of great significance to reducing the energy consumption per ton steel of iron and steel enterprise and improving residual heat and energy utilization rate.
In Iron and Steel Enterprises in China, the recycling of sintering mine sensible heat is mainly to be realized by blowing-type annular cooler.Needle
For current annular cooler, the design of structure type, structurally and operationally parameter is only capable of the outlet of recycling ring cold machine high temperature section
Cooling waste gas residual heat be used for dynamic power.In addition to sintering circular-cooler, it is also that a kind of sinter waste heat recovery is set that sinter, which erects tank,
It is standby, have many advantages, such as that waste heat recovery rate height and outlet heat carrier quality are higher.Currently, with sinter ring cold machine or waste heat recovery
Heat boiler outlet cooling exhaust gas is passed through in economizer and heats at 150 DEG C or so by the mating waste heat boiler exhaust gas temperature of perpendicular tank
Temperature after boiler feedwater is also at 100 DEG C or more, if directly using flue gas recirculating technique by the cooling exhaust gas of economizer exit
It is passed through in sinter waste heat recovery apparatus, this will reduce the heat transfer temperature difference between gas-solid in equipment, lead to waste heat recovery apparatus
It exports sinter temperature to increase, while reducing the waste heat recovery rate of sinter；If the cooling exhaust gas of economizer exit is directly arranged
Sky will also result in the waste of the energy.
Cooling exhaust gas is exported for sintering exhaust-heat boiler there is no this feature of low-temperature dew point corrosion, the utility model proposes
Sintering with Organic Rankine Cycle cools down power generation system using waste heat, and increases regenerative apparatus in systems, further
Depth recycles the sensible heat of the cooling exhaust gas of sintering, to improving Iron and Steel Enterprises in China residual heat and energy utilization rate and pushing industrial energy saving
Emission reduction is all of great significance.
Utility model content
In order to solve the problems, such as that the current cooling waste gas residual heat in sintering exhaust-heat boiler outlet is not utilized and causes energy waste,
Further depth recycles the cooling exhaust gas sensible heat of sintering, improves sinter waste heat power generation, and the utility model provides a kind of tool
There is the sintering cooling power generation system using waste heat of Organic Rankine Cycle.
It is a kind of with Organic Rankine Cycle sintering cooling power generation system using waste heat include sinter waste heat recovery apparatus
1, waste heat boiler 2, steam turbine 3, the first generator 4, condenser 5, cooling tower 6, water supply water pump 7, economizer 8,9 and of drain water pump
Air blower 10；
The cooling waste gas outlet of sinter waste heat recovery apparatus 1 is connected to the gas inlet of waste heat boiler 2, waste heat boiler 2
Steam outlet be connected to the steam inlet of steam turbine 3, the steam (vapor) outlet of steam turbine 3 is connected to the first water inlet of condenser 5
Mouthful, the first water outlet of condenser 5 is connected to the cooling water inlet of economizer 8；Second water inlet of condenser 5 passes through concatenated
Drain water pump 9 is connected to the first port of three-way pipe, and the second water outlet of condenser 5 is connected to the first water inlet of cooling tower 6,
The second port of three-way pipe is connected to the cooling water outlet of cooling tower 6；The cooling water outlet of economizer 8 passes through concatenated water supply water
Pump 7 is connected to the cooling water inlet of waste heat boiler 2, and the exhanst gas outlet of economizer 8 is connected to sintering by concatenated air blower 10
The cooling exhaust gas inlet of mine waste heat recovery apparatus 1.The sinter waste heat recovery apparatus 1 be sinter ring cold machine high temperature section or
Vertical cooling equipment is provided between the cooling waste gas outlet and the gas inlet of waste heat boiler 2 of sinter waste heat recovery apparatus 1
Dust-extraction unit is provided with deaerating plant between the cooling water outlet and the cooling water inlet of waste heat boiler 2 of economizer 8.
Further include evaporator 11, expanding machine 12, the second generator 13, regenerator 14 and condenser 15；
The sender property outlet of the evaporator 11 is connected to the import of expanding machine 12, and the outlet of expanding machine 12 regenerator
The first outlet of 14 the first import, regenerator 14 is connected to the working medium import of condenser 15, and the sender property outlet of condenser 15 is logical
The second import that concatenated working medium pump 16 is connected to regenerator 14 is crossed, the second outlet of regenerator 14 is connected to the work of evaporator 11
Matter import；The cooling water outlet of the cooling tower 6 is connected to the second port of three-way pipe, the cooling water inlet connection of condenser 15
The third port of three-way pipe, the cooling water outlet of condenser 15 is connected to the of cooling tower 6 by concatenated cooling water pump 17
Two water inlets；The gas inlet of the evaporator 11 is connected to the exhanst gas outlet of waste heat boiler 2, and the exhanst gas outlet of evaporator 11 connects
Lead to the gas inlet of economizer 8；The impeller of the expanding machine 12 is connected to the rotor of the second generator 13；
The evaporator 11, expanding machine 12, the second generator 13, regenerator 14, condenser 15 and the composition of working medium pump 16 have
Machine Rankine cycle electricity generation system；
When work, the cooling exhaust gas being discharged from 2 exhanst gas outlet of waste heat boiler is first into evaporator 11, by organic work
Matter is heated into the high steam of saturation or overheat, then into heating boiler feed water in economizer 8, finally in air blower 10
It enters in sintering waste heat reclaimer 1 and recycles under effect；Saturation or overheat working substance steam enter swollen in expanding machine 12
Swollen acting pushes the power generation of the second generator 13, and the organic media steam exhaust after expansion after regenerator 14 by entering condenser 15
It is interior, become the saturation or subcooled liquid of low-temp low-pressure after exchanging heat with cooling water, backheat is then entered under the action of working medium pump 16
It is preheated in device 14, finally reenters in evaporator 11 and recycled；The cooling water that a part comes out from cooling tower 6
It is admitted to the cooling steam exhaust being discharged from steamer drive end unit in condenser 5 under the effect of drain water pump 9, then comes back to cooling tower
It is recycled in 6, another part cooling water then enters cooling organic working medium in condenser 15, then in the effect of cooling water pump 17
It is recycled in lower return cooling tower 6.
The technical solution further limited is as follows：
Cycle fluid in the organic Rankine cycle power generation system is low boiling point organic working medium, using subcritical cycle,
The organic working medium of 11 sender property outlet of evaporator is saturation or superheated steam, the organic working medium of 15 sender property outlet of condenser be saturation or
Subcooled liquid.
The evaporator 11, regenerator 14 and condenser 15 are dividing wall type heat exchanger.
The evaporator 11 and regenerator 14 are fin-tube type heat exchanger.
The condenser 15 is shell-and-tube or plate heat exchanger.
The expanding machine 12 is radial-inward-flow turbine or screw type expansion machine.
Second generator 13 is asynchronous generator, is controlled convenient for system.
The advantageous effects of the utility model embody in the following areas：
（1）The utility model realizes step and recycles sintering waste heat by adding organic Rankine cycle power generation system
Boiler export cools down the sensible heat of exhaust gas, improves sinter waste heat recovery rate and ton mine generated energy, to improving iron and steel enterprise's waste heat
Utilization rate of complementary energy and promotion enterprise Green development are of great significance.
（2）The utility model is effectively combined flue gas recirculating technique with Organic Rankine Cycle generation technology, is realized
The cogeneration of organic rankine cycle system improves the UTILIZATION OF VESIDUAL HEAT IN of the operational efficiency and cooling exhaust gas of sintering exhaust-heat boiler
Rate, while the efficient circulation for also achieving cooling exhaust gas, cooling water and organic working medium utilizes.
（3）The utility model, can be by the waste heat profit of the cooling exhaust gas of sintering in the case where meeting waste heat boiler feed temperature
10% ~ 15% is improved with rate, while the ton mine generated energy of sinter waste heat recovery apparatus being made to increase by 6% ~ 8%.
Description of the drawings
Fig. 1 is the sintering waste heat generating system fundamental diagram of the utility model.
Serial number in Fig. 1：1- sinter waste heat recovery apparatus, 2- waste heat boilers, 3- steam turbines, the first generators of 4-, 5- are solidifying
Vapour device, 6- cooling towers, 7- water supply water pumps, 8- economizers, 9- drain water pumps, 10- air blowers, 11- evaporators, 12- expanding machines,
The second generators of 13-, 14- regenerators, 15- condensers, 16- working medium pumps, 17- cooling water pumps, 18- heat sinter imports, 19- are cold
Sinter exports.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is further described by embodiment.
Embodiment
Referring to Fig. 1, it is a kind of with Organic Rankine Cycle sintering cooling power generation system using waste heat include sinter waste heat
Reclaimer 1, steam turbine 3, the first generator 4, condenser 5, cooling tower 6, water supply water pump 7, economizer 8, coagulates at waste heat boiler 2
Steam water pump 9 and air blower 10；
There are heat sinter import 18 and cold sinter outlet 19 on sinter waste heat recovery apparatus 1；
The cooling waste gas outlet of sinter waste heat recovery apparatus 1 is connected to the gas inlet of waste heat boiler 2, waste heat boiler 2
Steam outlet be connected to the steam inlet of steam turbine 3, the steam (vapor) outlet of steam turbine 3 is connected to the first water inlet of condenser 5
Mouthful, the first water outlet of condenser 5 is connected to the cooling water inlet of economizer 8；Second water inlet of condenser 5 passes through concatenated
Drain water pump 9 is connected to the first port of three-way pipe, and the second water outlet of condenser 5 is connected to the first water inlet of cooling tower 6,
The second port of three-way pipe is connected to the cooling water outlet of cooling tower 6；The cooling water outlet of economizer 8 passes through concatenated water supply water
Pump 7 is connected to the cooling water inlet of waste heat boiler 2, and the exhanst gas outlet of economizer 8 is connected to sintering by concatenated air blower 10
The cooling exhaust gas inlet of mine waste heat recovery apparatus 1.Sinter waste heat recovery apparatus 1 is sinter ring cold machine high temperature section or vertical cold
But equipment is provided with dedusting dress between the cooling waste gas outlet and the gas inlet of waste heat boiler 2 of sinter waste heat recovery apparatus 1
It sets；It is provided with deaerating plant between the cooling water outlet and the cooling water inlet of waste heat boiler 2 of economizer 8.
Further include evaporator 11, expanding machine 12, the second generator 13, regenerator 14 and condenser 15；Evaporator 11, backheat
Device 14 and condenser 15 are dividing wall type heat exchanger；Wherein evaporator 11 and regenerator 14 are fin-tube type heat exchanger；Condenser 15
For shell-and-tube or plate heat exchanger.Expanding machine 12 is radial-inward-flow turbine or screw type expansion machine.Second generator 13 is asynchronous generating
Machine controls convenient for system.
The sender property outlet of evaporator 11 is connected to the import of expanding machine 12, and the outlet of expanding machine 12 regenerator 14
The first outlet of first import, regenerator 14 is connected to the working medium import of condenser 15, and the sender property outlet of condenser 15 passes through string
The working medium pump 16 of connection is connected to the second import of regenerator 14, the second outlet of regenerator 14 be connected to the working medium of evaporator 11 into
Mouthful；The cooling water outlet of the cooling tower 6 is connected to the second port of three-way pipe, and the cooling water inlet of condenser 15 is connected to three
The third port of siphunculus, the cooling water outlet of condenser 15 by concatenated cooling water pump 17 be connected to the second of cooling tower 6 into
The mouth of a river；The gas inlet of the evaporator 11 is connected to the exhanst gas outlet of waste heat boiler 2, and the exhanst gas outlet of evaporator 11 is connected to
The gas inlet of economizer 8；The impeller of the expanding machine 12 is connected to the rotor of the second generator 13；
Evaporator 11, expanding machine 12, the second generator 13, regenerator 14, condenser 15 and working medium pump 16 constitute organic bright
Agree cycle generating system.Cycle fluid in organic Rankine cycle power generation system is low boiling point organic working medium, is followed using subcritical
The organic working medium of ring, 11 sender property outlet of evaporator is saturation or superheated steam, and the organic working medium of 15 sender property outlet of condenser is full
And/or subcooled liquid.
The operation principle of the utility model is described as follows：The high temperature being discharged from 1 exhanst gas outlet of sinter waste heat recovery apparatus
Cooling exhaust gas enters the superheated steam that boiler feedwater is heated into high temperature and pressure in waste heat boiler 2 after dedusting, and waste heat boiler 2 produces
Raw superheated steam subsequently enters expansion work in steam turbine 3, pushes the power generation of the first generator 4, and the steam exhaust after expansion is from steamer
3 tail portion of machine is discharged, and subsequently into liquid water is cooled in condenser 5, subsequently enters and is preheated in economizer 8, finally existed
It enters under the action of water supply water pump 7 in waste heat boiler 2 and is recycled as boiler feedwater；It is arranged from 2 exhanst gas outlet of waste heat boiler
The cooling exhaust gas gone out is first into evaporator 11, and organic working medium is heated into the high steam of saturation or overheat, then into
Enter the heating boiler feed water into economizer 8, the cooling exhaust gas after heat exchange enters sintering waste heat under the action of air blower 10 and returns
It is recycled in receiving unit 1；The saturation or overheat working substance steam heated then goes through expansion work in expanding machine 12, pushes
Second generator 13 generates electricity, and the organic media steam exhaust after expansion after regenerator 14 by entering in condenser 15, with cooling water
Become the saturation or subcooled liquid of low-temp low-pressure after heat exchange, then enters in regenerator 14 under the action of working medium pump 16 and carry out in advance
Heat is finally reentered in evaporator 11 and is recycled；The cooling water that a part comes out from cooling tower 6 is in drain water pump 9
Under the action of be admitted in condenser 5 cooling steam exhaust be discharged from steamer drive end unit, subsequently enter in cooling tower 6 as recirculated water
It is continuing with, another part then enters the organic working medium of cooling Organic Rankine Cycle in condenser 15, and the cooling water after heat exchange exists
It is directly entered under the action of cooling water pump 17 in cooling tower 6 and is used as cooling water circulation.
Referring to table 1, with 360m2It is cooling to sintering exhaust-heat boiler outlet useless for tank is erected in the corresponding waste heat recovery of sintering machine
The recycling of gas carries out analytical Calculation.Cycle fluid in organic Rankine cycle power generation system uses the low boiling of environmental sound
Point organic working medium, using subcritical cycle, the organic working medium steam of evaporator outlet is saturated vapor, condensator outlet it is organic
Working medium is saturated liquid.As it can be seen from table 1 the cooling exhaust gas of boiler export temperature after evaporator heat exchange can be down to 100
DEG C hereinafter, temperature can be down to 65. 4 DEG C after being exchanged heat again by economizer, the utilization rate of waste heat of cooling exhaust gas can improve 10% or so,
Cooling exhaust gas, which is recycled, at this time can also improve the quality of the cooling exhaust gas in waste-heat recovery device outlet, and then improve waste heat
The generated energy of boiler.Can thermal efficiency of cycle be increased it can also be seen that increasing regenerative apparatus in Organic Rankine Cycle by table 1
Add, reaches 15.6%.In addition, the generated energy of Organic Rankine Cycle is 1120kW, it is 2.05kWh to be converted into ton mine generated energy so that
The ton mine generated energy that tank is erected in waste heat recovery increases by 6% ~ 8%.It can be seen that using Organic Rankine Cycle technology and flue gas recirculation skill
The sensible heat of the cooling exhaust gas of art recycling sintering, can not only improve the utilization rate of waste heat of cooling exhaust gas, can also improve waste heat recovery dress
The ton mine generated energy set, to improving the residual heat and energy utilization rate of enterprise and pushing industrial energy saving emission reduction that all there is particularly significant meaning
Justice.
Claims (7)
1. the sintering with Organic Rankine Cycle cools down power generation system using waste heat, including sinter waste heat recovery apparatus（1）, it is remaining
Heat boiler（2）, steam turbine（3）, the first generator（4）, condenser（5）, cooling tower（6）, water supply water pump（7）, economizer（8）,
Drain water pump（9）And air blower（10）；
Sinter waste heat recovery apparatus（1）Cooling waste gas outlet be connected to waste heat boiler（2）Gas inlet, waste heat boiler
（2）Steam outlet be connected to steam turbine（3）Steam inlet, steam turbine（3）Steam (vapor) outlet be connected to condenser（5）'s
First water inlet, condenser（5）The first water outlet be connected to economizer（8）Cooling water inlet；Condenser（5）Second into
The mouth of a river passes through concatenated drain water pump（9）It is connected to the first port of three-way pipe, condenser（5）The second water outlet be connected to it is cold
But tower（6）The first water inlet, the second port of three-way pipe is connected to cooling tower（6）Cooling water outlet；Economizer（8）It is cold
But water out passes through concatenated water supply water pump（7）It is connected to waste heat boiler（2）Cooling water inlet, economizer（8）Flue gas go out
Mouth passes through concatenated air blower（10）It is connected to sinter waste heat recovery apparatus（1）Cooling exhaust gas inlet；The sinter
Waste heat recovery apparatus（1）It is sinter ring cold machine high temperature section or vertical cooling equipment, sinter waste heat recovery apparatus（1）Cooling
Waste gas outlet and waste heat boiler（2）Gas inlet between be provided with dust-extraction unit, economizer（8）Cooling water outlet and waste heat
Boiler（2）Cooling water inlet between be provided with deaerating plant, it is characterised in that：
It further include evaporator（11）, expanding machine（12）, the second generator（13）, regenerator（14）And condenser（15）；
The evaporator（11）Sender property outlet be connected to expanding machine（12）Import, expanding machine（12）Outlet backheat
Device（14）The first import, regenerator（14）First outlet be connected to condenser（15）Working medium import, condenser（15）'s
Sender property outlet passes through concatenated working medium pump（16）It is connected to regenerator（14）The second import, regenerator（14）Second outlet connect
Lead to evaporator（11）Working medium import；The cooling tower（6）Cooling water outlet be connected to the second port of three-way pipe, condensation
Device（15）Cooling water inlet be connected to the third port of three-way pipe, condenser（15）Cooling water outlet pass through concatenated cooling
Water pump（17）It is connected to cooling tower（6）The second water inlet；The evaporator（11）Gas inlet be connected to waste heat boiler（2）
Exhanst gas outlet, evaporator（11）Exhanst gas outlet be connected to economizer（8）Gas inlet；The expanding machine（12）Impeller
It is connected to the second generator（13）Rotor；
The evaporator（11）, expanding machine（12）, the second generator（13）, regenerator（14）, condenser（15）And working medium pump
（16）Constitute organic Rankine cycle power generation system；
When work, from waste heat boiler（2）The cooling exhaust gas of exhanst gas outlet discharge is first into evaporator（11）It is interior, by organic work
Matter is heated into the high steam of saturation or overheat, then into economizer（8）Interior heating boiler feed water, finally in air blower
（10）Under the action of enter sintering waste heat reclaimer（1）Interior recycling；Saturation or overheat working substance steam enter expansion
Machine（12）Interior expansion work pushes the second generator（13）Power generation, the organic media steam exhaust after expansion pass through regenerator（14）Afterwards
Enter condenser（15）It is interior, become the saturation or subcooled liquid of low-temp low-pressure after exchanging heat with cooling water, then in working medium pump
（16）Under the action of enter regenerator（14）It is inside preheated, finally reenters evaporator（11）Inside recycled；One
Partly from cooling tower（6）Cooling water out is in drain water pump（9）Under the action of be admitted to condenser（5）Interior cooling is from steam turbine
The steam exhaust of tail portion discharge, then comes back to cooling tower（6）Interior recycling, another part cooling water then enter condenser（15）
Interior cooling organic working medium, then in cooling water pump（17）Under the action of return to cooling tower（6）Interior recycling.
2. the sintering according to claim 1 with Organic Rankine Cycle cools down power generation system using waste heat, feature exists
In：Cycle fluid in the organic Rankine cycle power generation system is low boiling point organic working medium, using subcritical cycle, evaporator
（11）The organic working medium of sender property outlet is saturation or superheated steam, condenser（15）The organic working medium of sender property outlet is saturation or mistake
Cold liquid.
3. the sintering according to claim 1 or 2 with Organic Rankine Cycle cools down power generation system using waste heat, feature
It is：The evaporator（11）, regenerator（14）And condenser（15）It is dividing wall type heat exchanger.
4. the sintering according to claim 3 with Organic Rankine Cycle cools down power generation system using waste heat, feature exists
In：The evaporator（11）And regenerator（14）For fin-tube type heat exchanger.
5. the sintering according to claim 3 with Organic Rankine Cycle cools down power generation system using waste heat, feature exists
In：The condenser（15）For shell-and-tube or plate heat exchanger.
6. the sintering according to claim 1 with Organic Rankine Cycle cools down power generation system using waste heat, feature exists
In：The expanding machine（12）For radial-inward-flow turbine or screw type expansion machine.
7. the sintering according to claim 1 with Organic Rankine Cycle cools down power generation system using waste heat, feature exists
In：Second generator（13）For asynchronous generator, controlled convenient for system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678861.0U CN207730035U (en) | 2017-12-06 | 2017-12-06 | Sintering with Organic Rankine Cycle cools down power generation system using waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721678861.0U CN207730035U (en) | 2017-12-06 | 2017-12-06 | Sintering with Organic Rankine Cycle cools down power generation system using waste heat |
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ID=63096990
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941028A (en) * | 2017-12-06 | 2018-04-20 | 中国科学技术大学 | Sintering cooling power generation system using waste heat with organic Rankine bottoming cycle |
| WO2020052600A1 (en) * | 2018-09-11 | 2020-03-19 | 翁志远 | Low temperature working medium power generating system and power system |
| CN117469839A (en) * | 2023-12-22 | 2024-01-30 | 上海优华系统集成技术股份有限公司 | Overhead gas waste heat full recovery system and full recovery method |
-
2017
- 2017-12-06 CN CN201721678861.0U patent/CN207730035U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941028A (en) * | 2017-12-06 | 2018-04-20 | 中国科学技术大学 | Sintering cooling power generation system using waste heat with organic Rankine bottoming cycle |
| CN107941028B (en) * | 2017-12-06 | 2023-08-29 | 中国科学技术大学 | Sintering cooling waste gas waste heat power generation system with organic Rankine cycle |
| WO2020052600A1 (en) * | 2018-09-11 | 2020-03-19 | 翁志远 | Low temperature working medium power generating system and power system |
| CN117469839A (en) * | 2023-12-22 | 2024-01-30 | 上海优华系统集成技术股份有限公司 | Overhead gas waste heat full recovery system and full recovery method |
| CN117469839B (en) * | 2023-12-22 | 2024-03-26 | 上海优华系统集成技术股份有限公司 | Overhead gas waste heat full recovery system and full recovery method |
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