CN110259538A - A kind of multilevel power generation system using cement kiln waste heat - Google Patents
A kind of multilevel power generation system using cement kiln waste heat Download PDFInfo
- Publication number
- CN110259538A CN110259538A CN201910460796.1A CN201910460796A CN110259538A CN 110259538 A CN110259538 A CN 110259538A CN 201910460796 A CN201910460796 A CN 201910460796A CN 110259538 A CN110259538 A CN 110259538A
- Authority
- CN
- China
- Prior art keywords
- orc
- sco
- generation system
- working medium
- turbine
- 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.)
- Granted
Links
Classifications
-
- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
-
- 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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of multilevel power generation systems using cement kiln waste heat, including SCO2Electricity generation system, steam generating system and ORC electricity generation system, wherein cement kiln waste gas waste-heat SCO2Working medium in electricity generation system enters SCO2It is expanded in turbine, drives SCO2System generator power generation, subsequently enters in steam heater and cools down via SCO2Compressor cycle；Working medium in steam generating system absorbs SCO in steam heater2The after-heat of working medium, which enters in vapor turbine, to be expanded, and vapour system electrical power generators are driven, and is subsequently entered in ORC heater and is cooled down via water supply pump circulation；The after-heat that working medium in ORC electricity generation system absorbs vapor working medium in ORC heater, which enters in ORC turbine, to be expanded, and ORC system electrical power generators is driven, through condenser and intensifier pumping cycle after.The present invention utilizes SCO2, vapor and ORC electricity generation system three-level utilize the waste heat of cement kiln waste gas, utilization efficiency of heat energy, engineering value and economic benefit with higher can be obviously improved.
Description
Technical field
The present invention relates to a kind of afterheat generating systems, and in particular to a kind of multilevel power generation system using cement kiln waste heat.
Background technique
Have in a large amount of in cement kiln, cryogenic waste heat resource fails to be fully utilized, the phenomenon that energy waste, is very general
Time.New Type Dry-process Cement Production is quickly grown in recent years, and technology, equipment, management etc. are increasingly mature.It is domestic at present to be completed
The clinker production line of a large amount of 2000t/d or more is run, dry method production line has in terms of heat consumption aobvious compared with other kiln types
The reduction of work, but New Type Dry-process Cement Production is still powerful to the consumption and dependence of electric energy.Novel dry-method cement clinker production enterprise
In industry by shake the head chamotte cooler and kiln tail preheater discharge exhaust gas temperature be about 350 DEG C, thermal energy account for about clinker burning
At the 35% of system heat consumption.Therefore, if can recycle the thermal energy of this part using cogeneration technology, cement enterprise is improved
The energy utilization rate of industry can bring high economic benefit.
The cement kiln residual heat generating technology in China is that directly to cement kiln, kiln head and tail is arranged during clinker burning at present
The waste heat exhaust gas put is recycled, and is generated steam by waste heat boiler and is driven Turbo-generator Set power generation, one is produced daily 5000 tons
Cement clinker production line daily using ten thousand degree of cogeneration 21-24, can solve about 60% clinker produce from electricity consumption, product is comprehensive
About 18% can be declined by closing energy consumption, annual to save about 2.5 ten thousand tons of standard coal, about 60,000 tons of reducing emission of carbon dioxide.As it can be seen that more than cement kiln
The utility value of heat is high, if generating efficiency can be promoted further, can obtain higher economic value.
Summary of the invention
It is an object of the invention to be directed to the deficiency of existing cement kiln residual heat generating technology, provide a kind of using cement kiln
The multilevel power generation system of waste heat is mainly used in the UTILIZATION OF VESIDUAL HEAT IN of cement kiln waste gas, promotes utilization rate of waste heat, realizes energy ladder
Grade utilizes, and has important engineering significance and wide application prospect.
The present invention adopts the following technical scheme that realize:
A kind of multilevel power generation system using cement kiln waste heat, including cement kiln waste gas, SCO2Heater, SCO2Turbine,
SCO2System generator, SCO2Compressor, motor, steam heater, vapor turbine, vapour system generator, feed pump,
ORC heater, ORC turbine, ORC system generator, ORC condenser and booster pump；Wherein,
Multilevel power generation system using cement kiln waste heat includes SCO2Electricity generation system, water vapour electricity generation system and ORC power generation
System；SCO2When electricity generation system operation, cement kiln waste gas heats SCO2SCO in heater2Working medium subsequently enters SCO2Turbine
Middle expansion drives SCO2System generator rotation power generation, SCO2Working medium subsequently enters in steam heater and in steam generating system
Working medium exchanged heat and cooled down, into SCO2Compressor adherence pressure, wherein electric energy needed for compressor is mentioned by motor
For so recycling；When steam generating system operation, steam working medium absorbs SCO in steam heater2The after-heat of working medium,
It subsequently enters and is expanded in vapor turbine, drive the rotation power generation of vapour system generator, steam working medium subsequently enters ORC heater
In exchanged heat and cooled down with the working medium in ORC electricity generation system, be finally pumped into steam heater and carried out again by feed pump
Circulation；When ORC electricity generation system operation, ORC working medium absorbs the after-heat of vapor working medium in ORC heater, subsequently enters
It is expanded in ORC turbine, drives the rotation power generation of ORC system generator, subsequently enter and condense recycling in ORC condenser, via pressurization
Pump, which is pumped into again in ORC heater, to be recycled.
A further improvement of the present invention lies in that SCO2Turbine uses inward flow turbine.
A further improvement of the present invention lies in that vapor turbine uses inward flow turbine.
A further improvement of the present invention lies in that ORC turbine uses inward flow turbine.
A further improvement of the present invention lies in that SCO2Compressor uses centrifugal compressor.
A further improvement of the present invention lies in that the working medium that ORC electricity generation system uses is R134a, R290, R601a and penta
Alkane low boiling working fluid.
The present invention has following beneficial technical effect:
The present invention passes through the advantage for successfully integrating a variety of prior arts, carries out for traditional cement kiln afterheat utilizing system
Reformed AHP, proposes a kind of multilevel power generation system using cement kiln waste heat.Conventional cement kiln UTILIZATION OF VESIDUAL HEAT IN uses steam
Turbine unit heats vapor using about 350 DEG C of cement kiln waste gas, and the vapor of high temperature and pressure does work in turbine exports electricity
Energy.However, individually vapor power generation cycle capacity usage ratio is lower, the present invention focuses on promoting energy utilization efficiency, first
Cement kiln waste gas waste heat is absorbed using supercritical carbon dioxide Brayton Cycle system, it is overcritical as first order electricity generation system
Waste-heat vapor in carbon dioxide electricity generation system is utilized in the vapor electricity generation system of the second level, finally, water steams
The waste heat of gas electricity generation system is used for the ORC electricity generation system of the third level.It so, it is possible the energy of Multi-class propagation cement kiln waste gas waste heat
Amount, is substantially improved generating efficiency.
Supercritical carbon dioxide circulation is mainly made of heat source, turbine, cooler and the big equipment of compressor four.Overcritical two
Aoxidizing carbon cycle has numerous advantages: supercritical carbon dioxide working medium viscosity is small, and system thermal efficiency is high；Working medium density is big, thoroughly
Flat compact mechanical structure；System structure is simple, and amount of parts is few；System belongs to single-phase circulation, without phase transition process, is not required to make
With condenser, the quantity of used valve, only 1/10th of Rankine cycle；System temperature is lower, can be used conventional
Stainless steel material, manufacturing cost are low.The working fluids characteristic of supercritical carbon dioxide makes compact-sized, the efficiency of entire electricity generation system
It is high, at low cost.
It is different from conventional vapor electricity generation system, ORC be using low-boiling-point organic compound as working medium, mainly by waste heat boiler (or
Heat exchanger), turbine, condenser and the big capital equipment of working medium pump four composition.ORC has numerous in terms of using low-grade energy
Advantage: firstly, ORC working medium energy density is larger, such as the ORC plant air-cooled condenser that uses is used than vapor power plant
The volume of air-cooled condenser is much smaller, and price is also much lower, it can be ensured that system structure is compact, low in cost；Secondly, because of its work
Matter low boiling point, ORC electricity generation system is suitable for low-temperature heat source, is particularly suitable in afterheat utilizing system, at low temperatures, organic
The efficiency of Rankine cycle is obviously more much higher as the Rankine cycle efficiency of working medium than water, the main reason is that ORC is in Exposure degree
Aspect has higher efficiency, therefore more heat can be recycled using ORC technology.
In conclusion the present invention establishes a kind of multilevel power generation system using cement kiln waste heat, using overcritical dioxy
Change the waste heat that carbon, vapor, ORC electricity generation system three-level utilize cement kiln waste gas, utilization efficiency of heat energy can be obviously improved, had
Higher engineering value and economic benefit.
Detailed description of the invention
Fig. 1 is a kind of system diagram of the multilevel power generation system using cement kiln waste heat of the present invention.
Description of symbols:
1- cement kiln waste gas, 2-SCO2(supercritical carbon dioxide) heater, 3-SCO2Turbine, 4-SCO2System generator,
5-SCO2Compressor, 6- motor, 7- steam heater, 8- vapor turbine, 9- vapour system generator, 10- feed pump,
11-ORC heater, 12-ORC turbine, 13-ORC system generator, 14-ORC condenser, 15- booster pump.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Referring to Fig.1, a kind of multilevel power generation system using cement kiln waste heat provided by the invention, including cement kiln waste gas 1,
SCO2Heater 2, SCO2Turbine 3, SCO2System generator 4, SCO2Compressor 5, motor 6, steam heater 7, vapor are saturating
Flat 8, vapour system generator 9, feed pump 10, ORC heater 11, ORC turbine 12, ORC system generator 13, ORC condenser
14 and booster pump 15.
The present invention includes SCO using the multilevel power generation system of cement kiln waste heat2Electricity generation system, steam generating system and ORC
Electricity generation system；SCO2When electricity generation system operation, cement kiln waste gas 1 heats SCO2SCO in heater 22Working medium subsequently enters
SCO2It is expanded in turbine 3, drives SCO2The rotation power generation of system generator 4, SCO2Working medium subsequently enter in steam heater 7 with steaming
Working medium in vapour electricity generation system, which is exchanged heat, to be cooled down, into SCO25 adherence pressure of compressor, wherein electricity needed for compressor
It can be provided by motor 6, so be recycled；When steam generating system operation, steam working medium absorbs SCO in steam heater 72Work
The after-heat of matter is subsequently entered and is expanded in vapor turbine 8, drive vapour system generator 9 rotation power generation, steam working medium with
Enter in ORC heater 11 to be exchanged heat with the working medium in ORC electricity generation system afterwards and be cooled down, is finally pumped again by feed pump 10
Enter and is recycled in steam heater 7；When ORC electricity generation system operation, ORC working medium absorbs vapor work in ORC heater 11
The after-heat of matter is subsequently entered and is expanded in ORC turbine 12, is driven the rotation power generation of ORC system generator 13, is subsequently entered ORC
Recycling is condensed in condenser 14, is pumped into ORC heater 11 and is recycled again via booster pump 15.
In conclusion the present invention is directed to the UTILIZATION OF VESIDUAL HEAT IN problem of cement kiln waste gas, steamed using supercritical carbon dioxide, water
Gas, ORC electricity generation system three-level utilize the waste heat of cement kiln waste gas, can be obviously improved utilization efficiency of heat energy, work with higher
Journey value and economic benefit.
Claims (6)
1. a kind of multilevel power generation system using cement kiln waste heat, which is characterized in that including cement kiln waste gas (1), SCO2Heater
(2)、SCO2Turbine (3), SCO2System generator (4), SCO2Compressor (5), motor (6), steam heater (7), vapor
Turbine (8), vapour system generator (9), feed pump (10), ORC heater (11), ORC turbine (12), ORC system generator
(13), ORC condenser (14) and booster pump (15)；Wherein,
Multilevel power generation system using cement kiln waste heat includes SCO2Electricity generation system, water vapour electricity generation system and ORC electricity generation system；
SCO2When electricity generation system operation, cement kiln waste gas (1) heats SCO2SCO in heater (2)2Working medium subsequently enters SCO2Turbine
(3) expansion in, drives SCO2System generator (4) rotation power generation, SCO2Working medium subsequently enter in steam heater (7) with steam
Working medium in electricity generation system, which is exchanged heat, to be cooled down, into SCO2Compressor (5) adherence pressure, wherein electricity needed for compressor
It can be provided by motor (6), so be recycled；When steam generating system operation, steam working medium absorbs in steam heater (7)
SCO2The after-heat of working medium subsequently enters expansion in vapor turbine (8), drives vapour system generator (9) rotation power generation,
Steam working medium is subsequently entered to be exchanged heat in ORC heater (11) with the working medium in ORC electricity generation system and be cooled down, finally by giving
Water pump (10) is pumped into steam heater (7) again and is recycled；When ORC electricity generation system operation, ORC working medium is in ORC heater
(11) after-heat that vapor working medium is absorbed in subsequently enters expansion in ORC turbine (12), drives ORC system generator
(13) rotation power generation subsequently enters condensation recycling in ORC condenser (14), is pumped into ORC heater again via booster pump (15)
(11) circulation in.
2. a kind of multilevel power generation system using cement kiln waste heat according to claim 1, which is characterized in that SCO2Turbine
(3) inward flow turbine is used.
3. a kind of multilevel power generation system using cement kiln waste heat according to claim 1, which is characterized in that vapor is saturating
Flat (8) use inward flow turbine.
4. a kind of multilevel power generation system using cement kiln waste heat according to claim 1, which is characterized in that ORC turbine
(12) inward flow turbine is used.
5. a kind of multilevel power generation system using cement kiln waste heat according to claim 1, which is characterized in that SCO2Compression
Machine (5) uses centrifugal compressor.
6. a kind of multilevel power generation system using cement kiln waste heat according to claim 1, which is characterized in that ORC power generation
The working medium that system uses is R134a, R290, R601a and pentane low boiling working fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460796.1A CN110259538B (en) | 2019-05-30 | 2019-05-30 | Utilize multistage power generation system of cement kiln waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460796.1A CN110259538B (en) | 2019-05-30 | 2019-05-30 | Utilize multistage power generation system of cement kiln waste heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259538A true CN110259538A (en) | 2019-09-20 |
| CN110259538B CN110259538B (en) | 2020-07-28 |
Family
ID=67915963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910460796.1A Active CN110259538B (en) | 2019-05-30 | 2019-05-30 | Utilize multistage power generation system of cement kiln waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259538B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089439A (en) * | 2013-01-27 | 2013-05-08 | 南京瑞柯徕姆环保科技有限公司 | Britton-steam Rankine-organic Rankine combined cycle heat and power cogeneration device |
| CN106884692A (en) * | 2017-04-18 | 2017-06-23 | 长沙紫宸科技开发有限公司 | A kind of utilization cement plant waste heat realizes the method that carbon dioxide recycle generates electricity |
| KR20170076220A (en) * | 2015-12-24 | 2017-07-04 | (주)에이치티알디 | Hybrid Air-Brayton Cycle Power Generator System using Waste Heat, which generates simultaneously both high temperature steam and air |
-
2019
- 2019-05-30 CN CN201910460796.1A patent/CN110259538B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089439A (en) * | 2013-01-27 | 2013-05-08 | 南京瑞柯徕姆环保科技有限公司 | Britton-steam Rankine-organic Rankine combined cycle heat and power cogeneration device |
| KR20170076220A (en) * | 2015-12-24 | 2017-07-04 | (주)에이치티알디 | Hybrid Air-Brayton Cycle Power Generator System using Waste Heat, which generates simultaneously both high temperature steam and air |
| CN106884692A (en) * | 2017-04-18 | 2017-06-23 | 长沙紫宸科技开发有限公司 | A kind of utilization cement plant waste heat realizes the method that carbon dioxide recycle generates electricity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259538B (en) | 2020-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101532402A (en) | Dual-circulation screw expansion motor system | |
| CN104500158B (en) | A kind of low concentration coal-bed gas or gas electricity system | |
| CN107941028A (en) | Sintering cooling power generation system using waste heat with organic Rankine bottoming cycle | |
| CN108425709A (en) | A kind of carbon dioxide low temperature Rankine cycle electricity generation system | |
| CN103089356A (en) | Flash evaporation-double work medium combined power generation device | |
| CN108798808B (en) | CO for recovering waste heat of high-temperature flue gas２Cyclic cogeneration system | |
| CN105443177A (en) | Reciprocating engine afterheat recovery system and method | |
| CN106499454A (en) | Method for generating power and electric power production method | |
| CN110078904B (en) | Polyester esterification steam waste heat utilization method and device | |
| CN101638998A (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN102305113A (en) | Low-temperature waste heat recycling equipment in petrochemical industry | |
| CN210237656U (en) | Power generation device for recycling waste heat of blast furnace slag flushing water | |
| CN207730035U (en) | Sintering with Organic Rankine Cycle cools down power generation system using waste heat | |
| CN101871374A (en) | Triangular flash circulating system and method thereof | |
| CN204098972U (en) | Adopt the low temperature water power generation system of extraction cycle technology | |
| CN205349450U (en) | Reciprocating engine waste heat recovery system | |
| CN110259538A (en) | A kind of multilevel power generation system using cement kiln waste heat | |
| CN109488401A (en) | Heat-pump-type afterheat utilizing system | |
| CN204386676U (en) | A kind of associating residual neat recovering system | |
| CN107840515A (en) | Slag and grey water treatment system | |
| CN211598765U (en) | Low-pressure steam Rankine cycle power generation system | |
| CN204960995U (en) | Organic rankine cycle power generation system of low temperature waste heat | |
| CN210832157U (en) | Coal-fired unit heating system capable of recycling flue gas waste heat | |
| CN114688763A (en) | Electric-drive compressed steam preparation system and method for recycling low-temperature waste heat by heat pump | |
| CN209484703U (en) | A kind of turbine exhaust heat based on CO 2 trans-critical heat pump utilizes system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |