CN106288516A - A kind of MW class carbon dioxide heat pump system - Google Patents
A kind of MW class carbon dioxide heat pump system Download PDFInfo
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- CN106288516A CN106288516A CN201610870644.5A CN201610870644A CN106288516A CN 106288516 A CN106288516 A CN 106288516A CN 201610870644 A CN201610870644 A CN 201610870644A CN 106288516 A CN106288516 A CN 106288516A
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- water
- carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0036—Domestic hot-water supply systems with combination of different kinds of heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention is a kind of MW class carbon dioxide heat pump system, comprises: recuperated cycle module, comprises heating equipment, Heat Room and the circulating water-heating tank being connected；Carbon dioxide recuperated cycle module, comprises compressor bank, gas cooler, regenerator, vaporizer and the gas-liquid separator being connected, and forms carbon dioxide recuperated cycle loop；Described compressor bank is that some compressors compose in parallel；Described regenerator connects has regenerator the first loop and regenerator second servo loop, the input in described regenerator the first loop to be connected with gas cooler, and outfan is connected with vaporizer；The input of described regenerator second servo loop is connected with gas-liquid separator, and outfan is connected with compressor；Water system, comprises water tank, technique water pump, cooling device and the cold water storage cistern being connected.This recovery system achieves industrial waste gas heat recovery, has the advantage that simple in construction, working stability and economic cost performance are high.
Description
Technical field
The present invention relates to technical field of waste heat utilization, particularly relate to a kind of MW class carbon dioxide heat pump system.
Background technology
Energy-saving and emission-reduction have become the basis of human society survival and development.Modern production such as thermal power plant, heat plant, sewage
Although factory, the various types of urban construction of solar-heating factory provide the energy to our life, but too increase simultaneously right
The discharge of waste gas waste water, and energy scarcity, traditional energy cost of use Continued situation under, how to utilize these resources
Waste heat become a pendulum important topic in face of human society, once get up to be equivalent to by waste gas water reuse to improve
Economic well-being of workers and staff, the greenhouse effect simultaneously also reducing air meets the theory of environmental protection.
Carbon dioxide heat pump system of the present invention can not only realize the heat of the urban construction output to each type and reclaim, with
Time also to during each use with water be circulated process with reach recycling；The more important thing is, current waste heat returns
The most power of receipts system is the least, is not suitable for some high-power large-scale factory and enterprises, in consideration of it, the present invention uses multiple stage
The mode of compressor parallel makes its heat pump power reach MW class, and the work number of units of compressor is also dependent on the merit of industry simultaneously
Rate demand carries out quantitative control and avoids energy waste.This invention make use of the heat in waste gas, uses compressor pair simultaneously
Carbon dioxide is compressed heating up, and bound gas cooler, regenerator, vaporizer and gas-liquid separator realize following of carbon dioxide
Ring utilizes and heat recovery, eventually forms a kind of MW class carbon dioxide heat pump system.
Summary of the invention
The least for solving the most power of above-mentioned residual neat recovering system, it is not suitable for the skill of some high-power large-scale factories
Art problem, present invention employs techniques below measure:
A kind of MW class carbon dioxide heat pump system, comprises:
Recuperated cycle module, comprises heating equipment, Heat Room and the circulating water-heating tank being connected, and described heating equipment exports
With the medium of heat in Heat Room, the output of described circulating water-heating tank treats that heat exchange water is in Heat Room；
Carbon dioxide recuperated cycle module, comprise be connected compressor bank, gas cooler, regenerator, vaporizer and
Gas-liquid separator, forms carbon dioxide recuperated cycle loop；Described compressor bank is that some compressors compose in parallel；Described time
Hot device connects regenerator the first loop and regenerator second servo loop, and the input in described regenerator the first loop cools down with gas
Device is connected, and outfan is connected with vaporizer；The input of described regenerator second servo loop is connected with gas-liquid separator, defeated
Go out end to be connected with compressor；
Water system, comprises water tank, technique water pump, cooling device and the cold water storage cistern being connected.
As improving further, described Heat Room can realize the heat exchange between gas-liquids, Liquid-liquid.
As improving further, described circulating water-heating tank connects and has circulating water-heating tank the first loop and circulating water-heating tank the
Secondary circuit；The input in described circulating water-heating tank the first loop is connected with described water tank for providing to circulating water-heating tank
With water, the outfan in described circulating water-heating tank the first loop is sequentially communicated with Heat Room, circulating pump, forms circulating water-heating tank second
The input in loop, described Heat Room realizes output water and exchanges with the medium heat with heat；Described circulating water-heating tank second
The output loop in loop is divided into two-way after a heat-exchanger pump with thermometer, and a road is directly connected with a hot water storage device
And then outfan first stage water is provided, another road is connected with described gas cooler.
As improving further, described compressor bank is dried carbon dioxide filling device by one and provides carbon dioxide gas
Body, the input of described compressor bank and output loop are equipped with Pressure gauge and thermometer, and carbon dioxide passes through described compressor
Group compression enters in gas cooler after heating up and carries out heat exchange.
As improving further, described gas cooler connects and has gas cooler the first loop and gas cooler the
Secondary circuit；The input of described gas cooler second servo loop is connected with described circulating water-heating tank, described gas cooler
The input of primary Ioops is connected with compressor；Described gas cooler realize circulating water-heating tank second servo loop output with water with
The heat exchange of high temperature carbon dioxide；The outfan of described gas cooler second servo loop and a hot water storage device be connected for
To outfan second stage water, the outfan in described gas cooler the first loop be connected with regenerator output cooling after cold
Solidifying carbon dioxide condensing water；It is provided with a thermometer between described gas cooler and described hot water storage device.
As improving further, between described regenerator and described gas cooler, it is provided with a thermometer；Described regenerator
And it is sequentially provided with a thermometer, a choke valve, a thermometer and a Pressure gauge between described vaporizer；Described regenerator is by dioxy
Change carbon condensed water is crossed cold treatment and is prevented it from vaporizing before throttling.
As improving further, described vaporizer connects and has vaporizer the first loop and vaporizer second servo loop；Institute
The input stating vaporizer the first loop is connected with described regenerator, and the outfan in described vaporizer the first loop divides with gas-liquid
It is connected from device；The input of described vaporizer second servo loop is connected with water tank, described vaporizer second servo loop defeated
Go out end to be connected with cold water storage cistern and output loop is provided with a thermometer；Described vaporizer heating carbon dioxide condensing water makes it boil
Rise gasification, and supply described water tank to apply water to lower the temperature, after final output cooling with in water to cold water storage cistern.
As improving further, described gas-liquid separator input is connected with vaporizer, and described gas-liquid separator exports
End is connected with the input of regenerator second servo loop；The outfan of described regenerator second servo loop is connected with compressor；Institute
State regenerator carbon dioxide is carried out Overheating Treatment improve gas temperature comply with compressor operating requirement.
As improving further, defining the circuit that in described carbon dioxide recuperated cycle module, carbon dioxide passes through is dioxy
Changing Carbon cycle loop, the outer diameter tube in described carbon dioxide recycle loop is 89mm, and thickness is 6mm, and its selection of material is not 304 not
Rust steel.
As improving further, described cold water storage cistern produces the cold water needed to described cooling device supply；Described water supply water
Case reclaim cooling device use after use water；Described technique water pump is arranged at the outfan of water tank.
Compared with prior art, the invention have the advantages that
1, the compressor bank in a kind of MW class carbon dioxide heat pump system of the present invention uses multiple compressors parallel connection
Structure, increases the use power of compressor so that it is system is be applicable to high-power commercial production.
2, a kind of MW class carbon dioxide heat pump system of the present invention uses compressor bank, gas cooler, regenerator, steaming
Industrial exhaust heat and carbon dioxide are realized recycling by the blood circulation sending out device and gas-liquid separator composition.
3, a kind of MW class carbon dioxide heat pump system of the present invention is provided with carbon dioxide and recycle heat retracting device,
Waste heat in each urban construction field is reclaimed, and respectively the heat of waste heat recovery is used for the Production requirement under different temperatures
With in the cyclic process of carbon dioxide, while increasing economic efficiency, reduce the problem of environmental pollution that industrial discharge causes
Accompanying drawing explanation
Accompanying drawing 1 is the system schematic of the present invention a kind of MW class carbon dioxide heat pump system；
Accompanying drawing 2 is the system signal in Application of Solar Energy field of the present invention a kind of MW class carbon dioxide heat pump system
Figure；
Accompanying drawing 3 is the system signal in sewage remaining energy recovery field of the present invention a kind of MW class carbon dioxide heat pump system
Figure；
Accompanying drawing 4 is the system signal in geothermal energy application of the present invention a kind of MW class carbon dioxide heat pump system
Figure.
Detailed description of the invention
In describing the invention, it should be noted that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as instruction or hint relative importance." be connected ", " connection " should be interpreted broadly, and connects, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, also
Can be indirectly connected to by intermediary, can be the connection of two element internals.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in the present invention with concrete condition.Additionally, in describing the invention, unless separately
Being described, " multiple " are meant that two or more.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1:
One MW class carbon dioxide heat pump system of the present invention, comprises: recuperated cycle module 10, comprises the heat production being connected
Equipment 11, Heat Room 12 and circulating water-heating tank 13, described heating equipment 11 exports the medium with heat in Heat Room 12, institute
State circulating water-heating tank 13 output and treat that heat exchange water is in Heat Room 12；Carbon dioxide recuperated cycle module 20, comprises and is connected
Compressor bank 21, gas cooler 22, regenerator 23, vaporizer 25 and gas-liquid separator 26, formed carbon dioxide heat exchange follow
Loop back path；Described compressor bank 21 composes in parallel for some compressors；Described regenerator 23 connects regenerator the first loop
With regenerator second servo loop, the input in described regenerator 23 first loop is connected with gas cooler 22, outfan and steaming
Send out device 25 to be connected；The input of described regenerator 23 second servo loop is connected with gas-liquid separator 26, outfan and compressor
21 are connected；Water system 30, comprises water tank 31, technique water pump 32, cooling device 33 and the cold water storage cistern 34 being connected.
Refer to Fig. 1, the water tank 31 in described water system 30 is for whole system offer water, described water supply
Being provided with technique water pump 32 after water tank 31 and be easy to follow-up use for source water carries out boosting process, described water tank 31 is also
Connect and have cooling device 33 and cold water storage cistern 34, cold water storage cistern 34 exports cold water and uses for cooling device 33, finally will use
With water be input in water tank 31 for system recycle, described cooling device 33 can be industrial cooler or
Refrigeration plant in person's community system.The circuit being connected with described water tank 31 uses external diameter 108mm, thickness 4mm, material
It is 20 stainless steel pipes.Utilize the most exportable cold water of such structure for demand, secondly can be to system uses water
It is circulated utilization last again by water tank supply whole system use.And the route of water system is used bigbore
Pipeline can ensure to supply water and stablize.
Refer to Fig. 1, in embodiment, described heating equipment 11 can be thermoelectricity field, can field, solar energy neck
Can be with output with the industrial equipment of the medium product of heat in the middle of the various fields such as territory, sewage recovery field.Produce or
After work process produces the medium that has surplus heat of band, after the process of purification filtering, enter in described Heat Room 12；Described change
Being provided with the closed circuit that hot water passes through in hot cell 12, the heat in described medium is for carrying out heat with the water in circulating water-heating tank 13
Exchange.Described heat exchanging process can be the heat exchange between Liquid-liquid, gas-liquids.Described circulating water-heating tank 13
Upper connection has circulating water-heating tank the first loop and circulating water-heating tank second servo loop；The input in described circulating water-heating tank the first loop
It is connected with described water tank 31 for circulating water-heating tank offer water, the outfan in described circulating water-heating tank the first loop
Being sequentially communicated with dirt pocket 12, circulating pump 14, form the input of circulating water-heating tank second servo loop, described Heat Room 12 realizes defeated
Go out with water with heat medium heat exchange so that water temperature rise finally enter in circulating water-heating tank 13；Described follow
The output loop of ring boiler second servo loop is divided into two-way, thermometer measure water temperature after a heat-exchanger pump 15 with thermometer
After qualified, a road is directly connected with a hot water storage device 16 and then provides technique hot water, another road to the equipment after outfan
It is connected with described gas cooler 22.Waste heat in every field is carried out heat recovery and not only increases economic benefit, also
Protect atmospheric environment；It is the most real that circulating water-heating tank in described cycle heat exchange loop module uses two loops entering scene 2 to arrange
The supply at water source, the medium with heat and the heat exchange with water are showed.
Refer to Fig. 1, in embodiment, the HGX46/345-that described compressor bank 21 is manufactured by some German blog design
4SCO2T type Trans-critical cycle CO2Compressor parallel forms, and the maximum operating currenbt of wherein said every compressor is 90.9A, maximum
Power consumption is 53.4kW, and the number of units quantity defining its compressor is n, and wherein n is in the range of 4～6, it is preferred that because of the present invention
The power of described system requirements is MW class, and the minimum standard configuration of compressor realizing MW class is 4 thus select n be 4.Described
Compressor bank 21 is dried carbon dioxide filling device 28 by one and provides carbon dioxide, the input of described compressor bank 21
Be equipped with Pressure gauge and thermometer on output loop for measuring temperature and the air pressure of carbon dioxide, carbon dioxide is by described
Compressor bank 21 compression enters in gas cooler after heating up and carries out heat exchange.Described compressor bank uses the form that multiple stage is in parallel
Not only achieving the demand of MW class power, the number of units in parallel of compressor bank can decide parallel connection in its sole discretion according to power demand simultaneously
Compressor whether standard-sized sheet and whether increase the number of units of parallel connection compressor, optional power bracket has not only saved the energy, Er Qieneng
Enough it is applicable to a lot of powerful commercial production.
Refer to Fig. 1, in embodiment, described gas cooler 22 connects and has gas cooler the first loop and gas cold
But device second servo loop；The input of described gas cooler second servo loop is connected to provide use with described circulating water-heating tank 13
Water, the input in described gas cooler the first loop is connected with compressor bank 21 titanium dioxide after inputting increasing temperature and pressure
Carbon；Described gas cooler 22 realizes the heat exchange with water with high temperature carbon dioxide of circulating water-heating tank second servo loop output；Institute
The outfan stating gas cooler second servo loop is connected the use of the second stage high temperature after supplying heat exchange with production equipment 29
Water, this high temperature water is higher compared to the hot water temperature of above-mentioned circulating water-heating tank 13 supply arrangement, described gas cooler first
The outfan in loop be connected with regenerator 23 output cooling after condensation carbon dioxide condensing water；Described gas cooler 22 with
It is provided with between described hot water storage device 27 whether a thermometer meets the requirements for the temperature measuring carbon dioxide condensing water.
Use gas cooler can realize the heat exchange between liquids and gases so that process water reaches higher temperature to throw
Enter in the middle of processing technique or the community system of the equipment of requirements at the higher level.
Refer to Fig. 1, in embodiment, described regenerator 23 connects regenerator the first loop and regenerator second servo loop,
The input in described regenerator the first loop is connected for transmitting carbon dioxide with the outfan in gas cooler the first loop
Condensed water, outfan is connected with vaporizer 25 for by the condensed water transmission after supercool to vaporizer；Described regenerator
The input of secondary circuit is connected with the outfan of gas-liquid separator the carbon dioxide after transmitting gas-liquid separation, output
End is connected with the input of compressor 21；Be sequentially provided with between described regenerator 23 and described vaporizer 25 thermometer, one
Choke valve 24, one thermometer and a Pressure gauge, first thermometer is for measuring by carbon dioxide condensing water after regenerator
Temperature is to meet choke valve 24 job requirement at rear, the thermometer at rear and Pressure gauge carbon dioxide after measuring throttling
The temperature of condensed water and hydraulic pressure are to meet vaporizer 25 job requirement；Described regenerator is used for carbon dioxide on the first loop
Condensed water is crossed cold treatment and is prevented it from vaporizing before throttling, and described regenerator 23 is used for carbon dioxide mistake on second servo loop
Heat treatment is to meet compressor 21 job requirement.Use heat regenerator device as gas cooler-vaporizer, gas-liquid separation
Carbon dioxide can be played supercool overheated effect and make whole cyclic process be smoothed out by the connection between device-compressor.
Refer to Fig. 1, in embodiment, described vaporizer 25 connects and has vaporizer the first loop and vaporizer second time
Road；The input in described vaporizer the first loop is connected with the outfan in described regenerator the first loop, described vaporizer
The outfan of primary Ioops is connected with the input of gas-liquid separator；The input of described vaporizer second servo loop and water tank
31 are connected, and the outfan of described vaporizer second servo loop is connected with cold water storage cistern 34 and output loop is provided with a thermometer；
Described vaporizer 25 heats the carbon dioxide condensing water transmitted from regenerator 23 so that it is ebullition, gasification, carbon dioxide is at gas
Absorb heat while change and supply the offer of described water tank 31 to apply water to lower the temperature, finally exporting two to gas-liquid separator 26
Carbon oxide gas, to cold water storage cistern 34 output cooling after use water.But owing to vaporizer 25 easily produces aqueous vapor in evaporation process
And export in the lump with carbon dioxide therefore be provided with a gas-liquid separator 26 at vaporizer 25 rear.Described gas-liquid separator 26 is defeated
Entering end to be connected with vaporizer 25, described gas-liquid separator 26 outfan is connected with the input of regenerator second servo loop；Institute
The input of the outfan and compressor 21 of stating regenerator second servo loop is connected；Conveying is come by described gas-liquid separator 26
Gas liquid mixture carries out gas-liquid separator and exports carbon dioxide to regenerator and carry out Overheating Treatment, improves carbon dioxide gas
Temperature complies with compressor operating requirement.
Refer to Fig. 1, in embodiment, define the circuit that in described carbon dioxide recuperated cycle module 20, carbon dioxide passes through
For carbon dioxide recycle loop, the outer diameter tube in described carbon dioxide recycle loop is 89mm, and thickness is 6mm, its selection of material
It is 304 rustless steels.Described carbon dioxide recycle loop connects compressor, gas cooler, regenerator, vaporizer and gas-liquid separation
Device also forms it into the closed circuit of a carbon dioxide, and carbon dioxide achieves gas-liquid-gaseous state in this loop
Converting to meet the job requirement of each equipment and cold and hot exchange, final output hot water and cold water are for production and application.Simultaneously two
Carbonoxide closed circuit uses the pipeline of same size to also ensure that carbon dioxide stability in course of conveying.
Refer to Fig. 1, in above-described embodiment, described Heat Room 12, water tank 31, technique water pump 32, cooling device 33,
Hot water storage device 16 and cold water storage cistern 34 are used equipment and reuse, and the use that reuses of equipment is possible not only to save and save work
Industry machine cost, also avoid limited grade the in place affects simultaneously.Giving up in the present invention a kind of MW class carbon dioxide heat pump system
Gas heat recovery and dust removal process, water resource recycle and reusing of each equipment uses all in line with the green of energy-conserving and environment-protective
Theory is designed, and complies with the trend of current industrial development, implements the vision that industrialization is built by country simultaneously.
Embodiment 2:
Refer to Fig. 2, the present embodiment also provides a kind of carbon dioxide heat pump system, and the present embodiment is in embodiment 1
Further improvement on the basis of technical scheme, the technical scheme that embodiment 1 describes is equally applicable to the present embodiment, embodiment 1
Published technical scheme is not repeated to describe.
Concrete, this carbon dioxide heat pump system is mainly used in field of solar energy utilization, its agent structure and embodiment
The difference of one is: in described recuperated cycle module, and described solar thermal collector 12 is collected its turn after solar energy
Turn to heat energy, the temperature of the temperature sensor detection solar thermal collector 12 being positioned on solar thermal collector 12, it is positioned at cycling hot
By the temperature of water in temperature sensor detection circulating water-heating tank on water tank 13, when the temperature of solar thermal collector 12 is more than circulation
When using the temperature of water in boiler 13, the electromagnetic valve controlling solar energy circulating pump 11 is opened, solar energy circulating pump 11 pressurized delivered
Circulating water-heating tank 13 carry out heat exchange, when circulating water-heating tank 13 is more than by the temperature of water with water by solar thermal collector 12
During the temperature of solar thermal collector 12, control solar energy circulating pump 11 and control the electromagnetic valve of water tank 31 and simultaneously close off；Institute
State to connect on circulating water-heating tank 13 and have circulating water-heating tank the first loop and circulating water-heating tank second servo loop；Described circulating water-heating tank
The input of primary Ioops is connected with described water tank 31 for circulating water-heating tank offer water, described circulating water-heating tank
The outfan of primary Ioops is sequentially communicated with solar energy circulating pump 11, solar thermal collector 12, forms circulating water-heating tank second servo loop
Input, described solar thermal collector 12 realizes the heat exchange of output water and heat energy so that water temperature rises finally enters
In circulating water-heating tank 13；The output loop of described circulating water-heating tank second servo loop is after a heat-exchanger pump 15 with thermometer
Being divided into two-way, after thermometer measure water temperature is qualified, a road is directly connected and then to domestic hot water's device with a hot water storage device 16
17 provide first stage hot water, and the first stage, hot water temperature was relatively low, can be used for the high temperature water with follow-up generation and neutralize to reach
The effect of regulation temperature；Another road is connected with described gas cooler 22.Solar energy is carried out heat recovery not only increase
Economic benefit, also Appropriate application natural resources；Circulating water-heating tank in described solar energy heating loop module uses two to enter two
The loop gone out arranges and is simultaneously achieved the supply at water source, heat energy and the heat exchange using water.
Embodiment 3:
Refer to Fig. 3, the present embodiment also provides a kind of carbon dioxide heat pump system, and the present embodiment is in embodiment 1
Further improvement on the basis of technical scheme, the technical scheme that embodiment 1 describes is equally applicable to the present embodiment, embodiment 1
Published technical scheme is not repeated to describe.
Concrete, this carbon dioxide heat pump system is mainly used in sewage remaining energy and utilizes field, its agent structure and enforcement
The difference of example one is: in described recuperated cycle module, and described heat exchanger the first loop is sequentially connected with cesspool
11, compression pump 12, heat exchanger 14, backwashing pressure pump 18, effluent treatment plant 19 and treatment tank.Described compression pump 12
Sewage in cesspool 11 is evacuated in heat-exchanging chamber 14 and carrying out heat exchange with water and make cycling hot in circulating water-heating tank 13
Raising with coolant-temperature gage in water tank 13, after heat exchange, sewage is carried out filtration, purification be finally transported to sewage by effluent treatment plant 19
Process in pond.But owing to sewage can attach impurity on the pipeline in heat-exchanging chamber 14 in heat exchanging process, in consideration of it, add
Backwashing pressure pump 18, at interval of certain time, compression pump 12 cuts out, and backwashing pressure pump 18 is opened, described backwash pressure
Power pump 18 by treatment tank with water pumpback clean heat-exchanging chamber 14 recently enter back cesspool 11, after flushing, instead
Flushing pressure pump 18 cuts out, and compression pump 12 reopens.Connect on described circulating water-heating tank 13 and have circulating water-heating tank the first loop
With circulating water-heating tank second servo loop；The input in described circulating water-heating tank the first loop be connected with described water tank 31 for
To circulating water-heating tank offer water, the outfan in described circulating water-heating tank the first loop connects successively with heat-exchanging chamber 14, circulating pump
Lead to and realize use water circulating in heat-exchanging chamber, eventually form the input of circulating water-heating tank second servo loop；Described circulation
The output loop of boiler second servo loop is after a heat-exchanger pump 15 with thermometer, after thermometer measure water temperature is qualified, and one
Road is directly connected with a hot water storage device 16 and then provides first stage domestic water to domestic hot water's device 17, another road and institute
State gas cooler 22 to be connected offer water.Sewage pumpback after sewage carrying out waste heat recovery and processing utilization is cleaned
Heat-exchanging chamber not only increases economic benefit, also protects environment；Described circulating water-heating tank uses two loops entering scene 2 to arrange
It is simultaneously achieved the supply at water source, sewage and the heat exchange using water.
Embodiment 4:
Refer to Fig. 4, the present embodiment also provides a kind of carbon dioxide heat pump system, and the present embodiment is in embodiment 1
Further improvement on the basis of technical scheme, the technical scheme that embodiment 1 describes is equally applicable to the present embodiment, embodiment 1
Published technical scheme is not repeated to describe.
Concrete, this carbon dioxide heat pump system is mainly used in geothermal waste heat and utilizes field, its agent structure and enforcement
The difference of example one is: in described recuperated cycle module, on the input circuit in described heat exchanger the first loop successively
Connect underground drain pan, steam well 18 and segregation apparatus 11；Being provided with filter plant in described segregation apparatus 11 can be by earth's crust steam
Fixing particle filtering thus the higher steam of output purity；The output loop in described heat-exchanging chamber the first loop is provided with one and dives
Water pump for again pouring into ground lower crust by the liquid steam water after heat exchange.Described steam well 18 is used for collecting in ground lower crust
High-temperature steam, after segregation apparatus 11, carry out heat-exchanging chamber 12, circulating water-heating tank 13 is used to heat-exchanging chamber 12 transmission simultaneously
Water realizes high-temperature steam and reduces vapor (steam) temperature with the heat exchange between water thus raising coolant-temperature gage and make it be condensed into liquid
Water.After heat exchange, liquid steam water fills back ground lower crust through immersible pump and realizes the recycling of ground shell resource.Described cycling hot
Connect on water tank 13 and have circulating water-heating tank the first loop and circulating water-heating tank second servo loop；Described circulating water-heating tank the first loop
Input is connected for circulating water-heating tank offer water with described water tank 31, described circulating water-heating tank the first loop
Outfan and heat-exchanging chamber 12, circulating pump 14, it is sequentially communicated and realizes use water circulating in heat-exchanging chamber, eventually form and follow
The input of ring boiler second servo loop；The output loop of described circulating water-heating tank second servo loop through one with the heat of thermometer
After water pump 15, after thermometer measure water temperature is qualified, a road is directly connected and then to domestic hot water's device with a hot water storage device 16
17 provide first stage domestic waters, and another road is connected with described gas cooler 22 offer water.GEOTHERMAL WATER is carried out heat
Amount reclaim and GEOTHERMAL WATER is filled back the earth's crust process thus carry out recycling and not only increase economic benefit, also protect big compression ring
Border；Circulating water-heating tank in described cycle gas recuperated cycle module uses two loops entering scene 2 to arrange and is simultaneously achieved water source
Supply, high-temperature steam with the heat exchange of water.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. done, within should be included in the scope of protection of the invention.
Claims (10)
1. a MW class carbon dioxide heat pump system, it is characterised in that comprise:
Recuperated cycle module, comprises heating equipment, Heat Room and the circulating water-heating tank being connected, the output of described heating equipment with
The medium of heat is in Heat Room, and the output of described circulating water-heating tank treats that heat exchange water is in Heat Room；
Carbon dioxide recuperated cycle module, comprises compressor bank, gas cooler, regenerator, vaporizer and the gas-liquid being connected
Separator, forms carbon dioxide recuperated cycle loop；Described compressor bank is that some compressors compose in parallel；Described regenerator
Connect and have regenerator the first loop and regenerator second servo loop, the input in described regenerator the first loop and gas cooler phase
Connection, outfan is connected with vaporizer；The input of described regenerator second servo loop is connected with gas-liquid separator, outfan
It is connected with compressor；
Water system, comprises water tank, technique water pump, cooling device and the cold water storage cistern being connected.
A kind of MW class carbon dioxide heat pump system the most according to claim 1, it is characterised in that: described Heat Room can be real
Existing heat exchange between gas-liquids, Liquid-liquid.
A kind of MW class carbon dioxide heat pump system the most according to claim 2, it is characterised in that: described circulating water-heating tank
Upper connection has circulating water-heating tank the first loop and circulating water-heating tank second servo loop；The input in described circulating water-heating tank the first loop
Be connected for circulating water-heating tank offer water with described water tank, the outfan in described circulating water-heating tank the first loop with
Heat Room, circulating pump are sequentially communicated, formed circulating water-heating tank second servo loop input, described Heat Room realize output water with
Medium heat with heat exchanges；The output loop of described circulating water-heating tank second servo loop through one with the heat-exchanger pump of thermometer
After be divided into two-way, a road is directly connected with a hot water storage device and then provides outfan first stage water, another road and institute
State gas cooler to be connected.
A kind of MW class carbon dioxide heat pump system the most according to claim 1, it is characterised in that: described compressor bank by
One is dried carbon dioxide filling device provides carbon dioxide, and the input of described compressor bank and output loop are all provided with
Having Pressure gauge and thermometer, carbon dioxide is entered after being heated up by the compression of described compressor bank and carries out heat friendship in gas cooler
Change.
A kind of MW class carbon dioxide heat pump system the most according to claim 4, it is characterised in that: described gas cooler
Upper connection has gas cooler the first loop and gas cooler second servo loop；The input of described gas cooler second servo loop
Being connected with described circulating water-heating tank, the input in described gas cooler the first loop is connected with compressor；Described gas
Cooler realizes the heat exchange with water with high temperature carbon dioxide of circulating water-heating tank second servo loop output；Described gas cooler
The outfan of secondary circuit and a hot water storage device are connected to supply outfan second stage water, described gas cooler
The outfan of primary Ioops be connected with regenerator output cooling after condensation carbon dioxide condensing water；Described gas cooler and institute
State and between hot water storage device, be provided with a thermometer.
A kind of MW class carbon dioxide heat pump system the most according to claim 5, it is characterised in that: described regenerator and institute
State and between gas cooler, be provided with a thermometer；A thermometer, a joint it is sequentially provided with between described regenerator and described vaporizer
Stream valve, a thermometer and a Pressure gauge；Carbon dioxide condensing water is crossed cold treatment and is prevented it from vaporizing before throttling by described regenerator.
A kind of MW class carbon dioxide heat pump system the most according to claim 6, it is characterised in that: on described vaporizer
Connect and have vaporizer the first loop and vaporizer second servo loop；The input in described vaporizer the first loop and described regenerator phase
Connection, the outfan in described vaporizer the first loop is connected with gas-liquid separator；The input of described vaporizer second servo loop
Being connected with water tank, the outfan of described vaporizer second servo loop is connected with cold water storage cistern and output loop is provided with a temperature
Degree meter；Described vaporizer heating carbon dioxide condensing water makes its ebullition, gasification, and supplies described water tank to apply water to carry out
Cooling, after final output cooling with in water to cold water storage cistern.
A kind of MW class carbon dioxide heat pump system the most according to claim 7, it is characterised in that: described gas-liquid separator
Input is connected with vaporizer, and described gas-liquid separator outfan is connected with the input of regenerator second servo loop；Described
The outfan of regenerator second servo loop is connected with compressor；Carbon dioxide is carried out Overheating Treatment raising by described regenerator
Gas temperature complies with compressor operating requirement.
9. according to any the MW class carbon dioxide heat pump system described in claim 4～8, it is characterised in that: definition institute
Stating the circuit that in carbon dioxide recuperated cycle module, carbon dioxide passes through is carbon dioxide recycle loop, described carbon dioxide recycle
The outer diameter tube in loop is 89mm, and thickness is 6mm, and its selection of material is 304 rustless steels.
A kind of MW class carbon dioxide heat pump system the most according to claim 1, it is characterised in that: described cold water storage cistern to
Described cooling device supply produces the cold water needed；Described water tank reclaim cooling device use after use water；Described technique
Water pump is arranged at the outfan of water tank.
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| CN201610870644.5A CN106288516A (en) | 2016-09-30 | 2016-09-30 | A kind of MW class carbon dioxide heat pump system |
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| CN201610870644.5A CN106288516A (en) | 2016-09-30 | 2016-09-30 | A kind of MW class carbon dioxide heat pump system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113970111A (en) * | 2021-11-12 | 2022-01-25 | 湖南省湘电试验研究院有限公司 | Flue gas waste heat recovery system of thermal power plant |
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Inventor after: Wu Jida Inventor after: Lin Jinsheng Inventor after: Huang Taotao Inventor after: Li Qichang Inventor after: Lin Hai Inventor after: Zhang Xiong Inventor after: Su Jianmin Inventor before: Wu Jida Inventor before: Lin Jinsheng Inventor before: Huang Taotao Inventor before: Guo Rende Inventor before: Lin Hai Inventor before: Zhang Xiong Inventor before: Su Jianmin |
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Application publication date: 20170104 |