CN106382766A - Megawatt carbon dioxide heat pump system applied to thermal power field - Google Patents
Megawatt carbon dioxide heat pump system applied to thermal power field Download PDFInfo
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- CN106382766A CN106382766A CN201610870717.0A CN201610870717A CN106382766A CN 106382766 A CN106382766 A CN 106382766A CN 201610870717 A CN201610870717 A CN 201610870717A CN 106382766 A CN106382766 A CN 106382766A
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- carbon dioxide
- loop
- heat
- water
- regenerator
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Classifications
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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
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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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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- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
Abstract
The invention discloses a megawatt carbon dioxide heat pump system applied to the thermal power field. The megawatt carbon dioxide heat pump system comprises a thermal power waste heat circulation module, a carbon dioxide heat exchange circulation module and a water supply system. The thermal power waste heat circulation module comprises a heat exchange chamber, a circulation hot water box, an exhaust filtering chamber, a fire coal chamber, a boiler, a turbine, a condenser, a cooling tower and a cold water box, all of which communicate. The carbon dioxide heat exchange circulation module comprises a compressor set, a gas cooler, a heat regenerator, an evaporator and a gas-liquid separator, all of which communicate. The compressor set is formed by connecting a plurality of compressors in parallel. The heat regenerator is connected with a heat regenerator first loop and a heat regenerator second loop. The water supply system comprises a water supply water box and a technology water pump which communicate with each other. According to the recycling system, heat of fire coal heat of a thermal power plant is effectively utilized for being used by the heat pump system, and meanwhile the heat pump system is utilized for providing high-temperature water in the thermal power field. The megawatt carbon dioxide heat pump system has the beneficial effects that the structure is simple, work is stable and the economical cost performance is high; and meanwhile the production requirement for environment friendliness is met.
Description
Technical field
The present invention relates to thermoelectricity technical field of waste heat utilization, more particularly, to a kind of MW class two applied in thermoelectricity field
Carbonoxide heat pump.
Background technology
With the development of national economy, energy-saving and emission-reduction have become the basis of human society survival and development.Thermal power plant produces
Although providing the energy to our life, also increase the discharge to thermoelectricity waste gas simultaneously.Although coal fired thermal power plant for
China has that cost is relatively low, the fuel source advantage such as extensively, but to there is less efficient, pollutant emission more for coal fired thermal power plant
The shortcomings of.And under energy scarcity, the situation of traditional energy cost of use Continued, how to have utilized the waste heat of thermoelectricity waste gas
Become an important topic in face of human society for the pendulum, once industrial waste gas is used being equivalent to improve economic receipts
Benefit, the greenhouse effects simultaneously also reducing air meet the theory of environmental protection.
At present, the capacity usage ratio ratio of thermal power plant is relatively low, and, between 35%～45%, efficiency is the most in the world for plant thermal efficiency
The plant thermal efficiency of high thermal power plant is not higher than 46%.It can be seen that, about 60% energy is discharged in environment, is not utilized.
The waste heat being discharged in environment is mainly made up of three parts：(1) energy of the exhaust steam of various steam turbines, contains substantial amounts of in exhaust steam
Energy, mainly vaporizes potential.When exhaust steam enters condenser, the energy of exhaust steam is taken away by the cooling water of condenser and is caused heat
Waste.(2) gas energy of boiler emission, because flue gas flow is big, flue-gas temperature is higher, and this partial heat also quite may be used
See.(3) gas producing during coal burning system burning coal, wherein has carbon dioxide, carbon monoxide, vapor etc. a large amount of with heat
Amount gas, simultaneously its product carbon dioxide can also recycle in the heat pump of the present invention.If it is possible to it is sharp
With the gas energy of exhaust steam energy and boiler emission, energy saving for power plants will be brought with very big benefit, improve the efficiency of thermal power plant, fall
Low coal consumption, reduces the discharge capacity of pollutant simultaneously.
Carbon dioxide heat pump system of the present invention reclaims to the heat of thermoelectricity waste gas, but current residual neat recovering system is big
Many power are too little, are not suitable for some high-power large-scale thermal power plants, in consideration of it, the present invention uses multiple compressors parallel connection
Mode makes its heat pump power reach MW class, and the work number of units of compressor enters line number also dependent on industrial power demand simultaneously
Control in amount avoids energy waste.This invention make use of the heat in waste gas, using compressor, carbon dioxide is carried out simultaneously
Compression heats up, and realizes the recycling of carbon dioxide, boiler in conjunction with gas cooler, regenerator, evaporimeter and gas-liquid separator
High temperature with water supply and cooling tower chilled(cooling) water supply (CWS), formed a kind of megawatt grade carbon-dioxide heat applied in thermoelectricity field
Pumping system.
Content of the invention
It is too little for solving reasonable application in thermal power plant for the above-mentioned residual neat recovering system and the most power of residual neat recovering system,
It is not suitable for the technical problem of some high-power large-scale thermal power plants, present invention employs following technical measures：
A kind of MW class carbon dioxide heat pump system applied in thermoelectricity field, comprises：
Thermoelectricity waste heat circulation module, comprises heat-exchanging chamber, the circulating water-heating tank being connected, exhaust gas filter room, coal-fired room, pot
Stove, steam turbine, condenser, cooling tower and cold water storage cistern；Described heat-exchanging chamber is connected with heat-exchanging chamber first loop and heat-exchanging chamber
Second servo loop, the input in described heat-exchanging chamber first loop is connected with circulating water-heating tank, and output end is connected with itself, described heat
The input of switch room's second servo loop is connected with coal-fired room, and output end is connected with exhaust gas filter room；Described condenser connects
There are condenser first loop and condenser second servo loop, the input in described condenser first loop is connected with cooling tower, defeated
Go out end to be connected with circulating water-heating tank, the input of described condenser second servo loop is connected with steam turbine, output end and circulation
Boiler is connected；
Carbon dioxide recuperated cycle module, the compressor bank comprising to be connected, gas cooler, regenerator, evaporimeter and
Gas-liquid separator, forms carbon dioxide recuperated cycle loop；Described compressor bank composes in parallel for some compressors；Described time
Hot device is connected with regenerator first loop and regenerator second servo loop, the input in described regenerator first loop and gas cooling
Device is connected, and output end is connected with evaporimeter；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, the technique water pump being connected.
As improving further, described heat-exchanging chamber realizes the heat exchange of circulating water-heating tank water and coal-fired high-temperature gas；
The heat exchange of steam and cooling water realized by described condenser；Described coal-fired room, boiler, steam turbine are sequentially connected, wherein said
Boiler is also connected with described cooler.
As improving further, described fire coal room is connected with coal-feeding device；Described cold water storage cistern be connected with cooling tower with
Cold water is provided；The output loop of described condenser second servo loop is provided with an oxygen-eliminating device.
As improving further, described circulating water-heating tank is connected with water tank, condenser, heat-exchanging chamber；Described follow
Ring boiler output loop is connected the output first stage with described gas cooler after a heat-exchanger pump carrying thermometer
Use water.
As improving further, described compressor bank provides carbon dioxide gas by carbon dioxide filling device is dried
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 is connected with gas cooler first loop and gas cooler
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 output first stage water with
The heat exchange of high temperature carbon dioxide；The output end of described gas cooler second servo loop is connected with boiler to supply after heat exchange
Second stage high temperature water, the output end in described gas cooler first loop is connected with regenerator after output cooling and condenses
Carbon dioxide condensing water；It is provided with a thermometer between described gas cooler and described boiler.
As improving further, between described regenerator and described gas cooler, it is provided with a thermometer；Described regenerator
It is sequentially provided with a thermometer, a choke valve, a thermometer and a pressure gauge and described evaporimeter between；Described regenerator is by dioxy
Change carbon condensed water crosses cold treatment prevents it from vaporizing before throttling.
As improving further, described evaporimeter is connected with evaporimeter first loop and evaporimeter second servo loop；Institute
The input stating evaporimeter first loop is connected with described regenerator, and the output end in described evaporimeter first loop is divided with gas-liquid
It is connected from device；The input of described evaporimeter second servo loop is connected with water tank, described evaporimeter second servo loop defeated
Go out that end is connected with cold water storage cistern and output loop is provided with a thermometer.
As improving further, described gas-liquid separator input is connected with evaporimeter, described gas-liquid separator output
End is connected with the input of regenerator second servo loop；The output end of described regenerator second servo loop is connected with compressor；Institute
State regenerator by carbon dioxide carry out Overheating Treatment improve gas temperature comply with compressor operating require.
As improving further, defining the circuit that in described carbon dioxide recuperated cycle module, carbon dioxide passes through is dioxy
Change 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 for 304 not
Rust steel.
Compared with prior art, the present invention has advantages below：
1st, a kind of compressor bank applied in the MW class carbon dioxide heat pump system in thermoelectricity field of the present invention adopts
Multiple compressors structure in parallel, increase compressor using power so as to system is be applied to high-power industrial production.
2nd, a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field of the present invention uses compressor bank, gas
Cooler, the circulatory system of regenerator, evaporimeter and gas-liquid separator composition to realize circulation to industrial waste gas and carbon dioxide
Using.
3rd, a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field of the present invention is provided with carbon dioxide and returns
Receive and utilize and recycle heat retracting device, provide the cooling water of high temperature water and cooling tower to boiler in thermal power plant, simultaneously by fire
Cooling water after the fume afterheat of power plant and condenser use carries out secondary utilization and recycling, while increasing economic efficiency
Reduce the problem of environmental pollution that thermal power plant's waste gas discharge leads to.
Brief description
Accompanying drawing 1 is that a kind of system of MW class carbon dioxide heat pump system applied in thermoelectricity field of the present invention is illustrated
Figure.
Specific embodiment
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 indicating or imply relative importance." being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected,
Can be to be detachably connected, or be integrally connected；Can be to be mechanically connected or electrically connect；Can be to be joined directly together,
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
It is described, " multiple " are meant that two or more.
Purpose, technical scheme and advantage for making the embodiment of the present invention are 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 specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of MW class carbon dioxide heat pump system applied in thermoelectricity field of the present invention, comprises：Thermoelectricity waste heat circulation
Module 10, comprises heat-exchanging chamber 11, the circulating water-heating tank 12 being connected, exhaust gas filter room 13, coal-fired room 14, boiler 15, steamer
Machine 16, condenser 17, cooling tower 18 and cold water storage cistern 19；Described heat-exchanging chamber 11 is connected with heat-exchanging chamber first loop and heat exchange
Room second servo loop, the input in described heat-exchanging chamber first loop is connected with circulating water-heating tank 12, and output end is connected with itself, institute
The input stating heat-exchanging chamber second servo loop is connected with coal-fired room 14, and output end is connected with exhaust gas filter room 13；Described cold
Condenser 17 is connected with condenser first loop and condenser second servo loop, the input in described condenser first loop and cooling tower
18 are connected, and output end is connected with circulating water-heating tank 12, and the input of described condenser second servo loop is connected with steam turbine 16
Connect, output end is connected with circulating water-heating tank 12；Carbon dioxide recuperated cycle module 20, the compressor bank 21 comprising to be connected,
Gas cooler 22, regenerator 23, evaporimeter 25 and gas-liquid separator 26, form carbon dioxide recuperated cycle loop；Described pressure
Contracting unit 21 composes in parallel for some compressors；Described regenerator 23 is connected with regenerator first loop and regenerator second time
Road, the input in described regenerator first loop is connected with gas cooler 22, and output end is connected with evaporimeter 25；Described
The input of regenerator second servo loop is connected with gas-liquid separator 25, and output end is connected with compressor 21；
Water system 30, comprises water tank 31, the technique water pump 32 being connected.
Refer to Fig. 1, the water tank 31 in described water system 30 is used for whole system offer water, described water supply
It is provided with technique water pump 32 after water tank 31 and be easy to subsequently use for source is carried out with water with boosting process, described water tank 31
Water supply object has circulating water-heating tank 12 and evaporimeter 25.The circuit being connected with described water tank 31 uses external diameter 108mm, thick
Degree 4mm, material is 20 stainless steel pipes.Can be circulated using again with water in system using such structure finally
Used by water tank supply whole system, the route of water system can be ensured to supply water surely using bigbore pipeline simultaneously
Fixed.
Refer to Fig. 1, in embodiment, described coal-fired room 14, boiler 15, steam turbine 16 are sequentially connected, described fire coal
After the coal that room 14 burning coal-feeding device provides, output heat energy, to boiler 15, gives off high-temp waste gas simultaneously, and described heat is handed over
Change room 11 to collect the high-temp waste gas of coal-fired room 14 discharge and utilize its heat and circulating water-heating tank 12 supply through heat-exchanging chamber
11 cycling use of water carries out heat exchange to reach the temperature that preliminary heating boiler 15 uses water.Carry out the waste gas after heat exchange through row
Carry out after letting slip filter chamber 13 purifying discharge.Described boiler 15 water for heating produces steam and steam turbine 16 acting is generated electricity, described
Cooling tower 18 provides cooling water to condenser 17, and the steam not used in steam turbine 17 is cooled down by described condenser 17
Liquefaction and cooling water are realized heat exchange last output water to described circulating water-heating tank 12 and are carried out, with the secondary utilization of water, condensing simultaneously
In device 17, the cooling water of flowing also exports to the secondary profit of realization water in circulating water-heating tank 12 after carrying out heat exchange with steam
With.The output loop of described condenser second servo loop is provided with an oxygen-eliminating device 20 and is used for for the oxygen removal in condensed water preventing it
Pipeline is aoxidized.Described water tank 31 is connected with circulating water-heating tank 12 and uses water to supply, simultaneously also with condenser 17,
Heat-exchanging chamber 11 is connected supply using recycling with water realization water later；Described circulating water-heating tank 12 output loop
Through a heat-exchanger pump carrying thermometer, the thermometer measure water temperature qualified described backward gas cooler 22 output first stage is used
Water.To waste gas, the condensed condensed water of steam and cooling water reuse, and purified treatment is carried out to waste gas discharge again not
Improve only economic benefit, also protect atmospheric environment；Heat-exchanging chamber in described thermoelectricity waste heat circulation module is adopted with condenser
It is simultaneously achieved supply, waste gas and the heat exchange with water at water source and the profit again of water resource with the loop setting of Two In and Two Out
With.
Refer to Fig. 1, in embodiment, the HGX46/345- that described compressor bank 21 is manufactured by some German blog design
4S CO2T 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 the scope of n is 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 therefore selects n to be 4.Described
Compressor bank 21 is dried carbon dioxide filling device 27 by one and provides carbon dioxide, the input of described compressor bank 21
It is used for measuring temperature and the air pressure of carbon dioxide with pressure gauge and thermometer are equipped with output loop, carbon dioxide passes through described
Compressor bank 21 compression enters in gas cooler after heating up and carries out heat exchange.Described compressor bank is in the form of multiple stage parallel connection
Not only achieve 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 the number of units whether increasing parallel connection compressor, optional power bracket has not only saved the energy, Er Qieneng
Enough it is applied to much powerful industrial production.
Refer to Fig. 1, in embodiment, described gas cooler 22 is connected with gas cooler first loop and gas is cold
But device second servo loop；The input of described gas cooler second servo loop is connected with described circulating water-heating tank 13 to provide use
Water, the input in described gas cooler first loop is connected for inputting the titanium dioxide after increasing temperature and pressure with compressor bank 21
Carbon；Described gas cooler 22 realizes the use water of circulating water-heating tank output and the heat exchange of high temperature carbon dioxide；Described gas is cold
But the output end of device second servo loop is connected with boiler 15 to supply the second stage high temperature water after heat exchange, this high temperature water
The first stage exporting to gas cooler compared to above-mentioned circulating water-heating tank 12 is heated with reducing boiler 13 with coolant-temperature gage is higher
During the heat energy that consumes, the output end in described gas cooler first loop is connected with regenerator and condenses after output cooling
Carbon dioxide condensing water；It is provided with a thermometer between described gas cooler 22 and described boiler 15 to be used for measuring second stage
The temperature of high temperature water, is provided with a thermometer between described gas cooler 22 and regenerator 23 and is used for measuring carbon dioxide condensing
Whether the temperature of water meets the requirements.Heat exchange between liquids and gases can be realized using gas cooler so that boiler
Reach higher temperature to improve boiler feed water initial temperature with water, reduce the loss of hot loss of energy and coal.
Refer to Fig. 1, in embodiment, described regenerator 23 is connected with regenerator first loop and regenerator second servo loop,
The input in described regenerator first loop is connected for transmitting carbon dioxide with the output end in gas cooler first loop
Condensed water, output end is connected with evaporimeter 25 for transmitting the condensed water after supercooling to evaporimeter；Described regenerator
The input of secondary circuit is connected for transmitting the carbon dioxide after gas-liquid separation with the output end of gas-liquid separator, output
End is connected with the input of compressor 21；Be sequentially provided between described regenerator 23 and described evaporimeter 25 thermometer, one
Choke valve 24, a thermometer and a pressure gauge, first thermometer is used for measurement carbon dioxide condensing water after regenerator
Temperature is used for the carbon dioxide after measurement throttling with choke valve 24 job requirement, the thermometer at rear and the pressure gauge meeting rear
The temperature of condensed water and hydraulic pressure are to meet evaporimeter 25 job requirement；Described regenerator is used for carbon dioxide on the first loop
Condensed water crosses cold treatment prevents 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.Using heat regenerator device as gas cooler-evaporimeter, gas-liquid separation
Connection between device-compressor can play overheated the acting on and make whole cyclic process be smoothed out of supercooling to carbon dioxide.
Refer to Fig. 1, in embodiment, described evaporimeter 25 is connected with evaporimeter first loop and evaporimeter second time
Road；The input in described evaporimeter first loop is connected with the output end in described regenerator first loop, described evaporimeter
The output end of primary Ioops is connected with the input of gas-liquid separator 25；The input of described evaporimeter second servo loop and water supply water
Case 31 is connected, and the output end of described evaporimeter second servo loop is connected with cold water storage cistern 19 and output loop is provided with a temperature
Meter；Described evaporimeter 25 heats the carbon dioxide condensing water transmitting from regenerator 23 so as to ebullition, gasification, and carbon dioxide exists
Absorb heat while gasification and described water tank 31 is provided lowers the temperature for application water, finally exports to gas-liquid separator 26
Carbon dioxide, to cold water storage cistern 19 output cooling after use water.But because evaporimeter 25 easily produces water in evaporation process
Gas simultaneously exports in the lump therefore is provided with a gas-liquid separator 26 at evaporimeter 25 rear with carbon dioxide.Described gas-liquid separator 26
Input is connected with evaporimeter 25, and described gas-liquid separator 26 output end is connected with the input of regenerator second servo loop；
The output end of described regenerator second servo loop is connected with the input of compressor 21；Described gas-liquid separator 26 will convey
Gas liquid mixture carry out gas-liquid separator and export carbon dioxide to regenerator and carry out Overheating Treatment, improve carbon dioxide
Gas temperature complies with compressor operating and requires.Described cold water storage cistern 19 is connected with cooling tower 18 to supply cooling water.Using
Such structure not only achieves recycling of carbon dioxide, can also use in cooling tower cold water for condenser simultaneously
Use, finally output, using use water later so that circulating water-heating tank uses, greatlys save the energy.
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
For 304 stainless steels.Described carbon dioxide recycle loop connects compressor, gas cooler, regenerator, evaporimeter and gas-liquid separation
Device simultaneously forms it into the closed circuit of a carbon dioxide, and carbon dioxide achieves gas-liquid-gaseous in this loop
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 for conversion.
Refer to Fig. 1, in above-described embodiment, described dirt pocket 12, water tank 31, technique water pump 32 and cold water storage cistern 19 are equal
Reuse for used equipment, the use that reuses of equipment not only can be saved and be saved industrial machinery cost, also avoid field simultaneously
Ground is limited to wait impact.A kind of thermoelectricity waste gas heat applied in the MW class carbon dioxide heat pump system in thermoelectricity field of the present invention
Amount reclaim and dust removal process, water resource recycle, Air resource recycle and each equipment reuse using all in line with
The green idea of energy-conserving and environment-protective is designed, and complies with the trend of current industrial development, implements what country built to industrialization simultaneously
Vision.
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 done etc., should be included within the scope of protection of the invention.
Claims (10)
1. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field is it is characterised in that comprise：
Thermoelectricity waste heat circulation module, comprises heat-exchanging chamber, the circulating water-heating tank being connected, exhaust gas filter room, coal-fired room, boiler,
Steam turbine, condenser, cooling tower and cold water storage cistern；Described heat-exchanging chamber is connected with heat-exchanging chamber first loop and heat-exchanging chamber second
Loop, the input in described heat-exchanging chamber first loop is connected with circulating water-heating tank, and output end is connected with itself, described heat exchange
The input of room second servo loop is connected with coal-fired room, and output end is connected with exhaust gas filter room；Described condenser is connected with cold
Condenser first loop and condenser second servo loop, the input in described condenser first loop is connected with cooling tower, output end
It is connected with circulating water-heating tank, the input of described condenser second servo loop is connected with steam turbine, output end and circulating hot water
Case is connected；
Carbon dioxide recuperated cycle module, comprises compressor bank, gas cooler, regenerator, evaporimeter and the gas-liquid being connected
Separator, forms carbon dioxide recuperated cycle loop；Described compressor bank composes in parallel for some compressors；Described regenerator
It is connected with regenerator first loop and regenerator second servo loop, the input in described regenerator first loop and gas cooler phase
Connection, output end is connected with evaporimeter；The input of described regenerator second servo loop is connected with gas-liquid separator, output end
It is connected with compressor；
Water system, comprises water tank, the technique water pump being connected.
2. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 1, its feature
It is：Described heat-exchanging chamber realizes the heat exchange of circulating water-heating tank water and coal-fired high-temperature gas；Steam realized by described condenser
Heat exchange with cooling water；Described coal-fired room, boiler, steam turbine are sequentially connected, wherein said boiler also with described cooler
It is connected.
3. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 2, its feature
It is：Described fire coal room is connected with coal-feeding device；Described cold water storage cistern is connected with cooling tower to provide cold water；Described condenser
The output loop of second servo loop is provided with an oxygen-eliminating device.
4. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 2, its feature
It is：Described circulating water-heating tank is connected with water tank, condenser, heat-exchanging chamber；Described circulating water-heating tank output loop warp
Be connected after crossing a heat-exchanger pump carrying thermometer output first stage water with described gas cooler.
5. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 1, its feature
It is：Described compressor bank by be dried carbon dioxide filling device provide carbon dioxide, described compressor bank defeated
Enter with output loop on be equipped with pressure gauge and thermometer, carbon dioxide by described compressor bank compression heat up after enter gas
Carry out heat exchange in cooler.
6. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 5, its feature
It is：Gas cooler first loop and gas cooler second servo loop are connected with described gas cooler；Described gas is cold
But the input of device second servo loop is connected with described circulating water-heating tank, the input in described gas cooler first loop and pressure
Contracting machine is connected；Described gas cooler realizes the first stage water of circulating water-heating tank output and the heat friendship of high temperature carbon dioxide
Change；The output end of described gas cooler second servo loop is connected with boiler to supply the use of the second stage high temperature after heat exchange
Water, the output end in described gas cooler first loop is connected with regenerator the carbon dioxide condensing of condensation after output cooling
Water；It is provided with a thermometer between described gas cooler and described boiler.
7. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 6, its feature
It is：It is provided with a thermometer between described regenerator and described gas cooler；Between described regenerator and described evaporimeter according to
Secondary it is provided with a thermometer, a choke valve, a thermometer and a pressure gauge；Carbon dioxide condensing water is crossed cold treatment by described regenerator
Prevent it from vaporizing before throttling.
8. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 7, its feature
It is：Evaporimeter first loop and evaporimeter second servo loop are connected with described evaporimeter；Described evaporimeter first loop
Input is connected with described regenerator, and the output end in described evaporimeter first loop is connected with gas-liquid separator；Described steaming
The input sending out device second servo loop is connected with water tank, and the output end of described evaporimeter second servo loop is connected with cold water storage cistern
And output loop is provided with a thermometer.
9. a kind of MW class carbon dioxide heat pump system applied in thermoelectricity field according to claim 8, its feature
It is：Described gas-liquid separator input is connected with evaporimeter, described gas-liquid separator output end and regenerator second servo loop
Input be connected；The output end of described regenerator second servo loop is connected with compressor；Described regenerator is by carbon dioxide
The Overheating Treatment that carries out gas improves gas temperature and complies with compressor operating requirement.
10. any according to claim 5～9 applies the MW class carbon dioxide heat-pump system in thermoelectricity field
System it is characterised in that：Defining the circuit that in described carbon dioxide recuperated cycle module, carbon dioxide passes through is carbon dioxide recycle
Loop, the outer diameter tube in described carbon dioxide recycle loop is 89mm, and thickness is 6mm, and its selection of material is 304 stainless steels.
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