CN208794781U - A kind of cold supply system using residual heat of electric power plant - Google Patents
A kind of cold supply system using residual heat of electric power plant Download PDFInfo
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- CN208794781U CN208794781U CN201821286542.XU CN201821286542U CN208794781U CN 208794781 U CN208794781 U CN 208794781U CN 201821286542 U CN201821286542 U CN 201821286542U CN 208794781 U CN208794781 U CN 208794781U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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Abstract
The utility model discloses a kind of cold supply systems using residual heat of electric power plant, belong to comprehensive utilization of energy technical field, and the steam exhaust outlet of the steam turbine is connect by jet chimney with heater water inlet, and heater water outlet is connect with condensate pipeline；The outlet flue of the air preheater is connect by smoke-intake pipe road with heater air inlet, and heater air outlet is connect by smoke-returning pipeline with the smoke inlet of desulphurization denitration equipment；The water inlet of the slag cooler is connect by water return pipeline with heater water outlet, and heater water inlet is connect by water inlet line with slag cooler water outlet；Heater drives the generator heat supply import of pipeline and Absorption Refrigerator to connect for hot water outlet by heat source, and the generator heat supply outlet of Absorption Refrigerator is connected by the heat supply water return outlet of heat source water return pipeline and heater.The utility model can make full use of a variety of residual heat resources of generating set, improve refrigerating capacity.
Description
Technical field
The utility model relates to comprehensive utilization of energy technical fields, and in particular to a kind of cooling supply system using residual heat of electric power plant
System.
Background technique
With the expansion of economic development and city size, the refrigeration demand under summer sweltering heat weather is further severe.It is same with this
When, thermal power plant consumes the 50% of coal in China total output, its deslagging heat loss of generating set, exhaust gas heat loss become estranged and follow
The loss of ring hydro-thermal is in electric power station system maximum three in various heat losses, how to make full use of the refrigeration to be the residual heat of electric power plant
System, is those skilled in the art's urgent problem to be solved.
The prior art is directly to produce cold water in Power Plant Side using the steam exhaust of steam turbine in generating set, defeated by pipe network
It send to cold-zone domain.Steam exhaust is that the steam to complete is done in aircraft turbine engine, belongs to low-quality heat source, and UTILIZATION OF VESIDUAL HEAT IN is single, will not
Waste heat effective use in generating set.
Summary of the invention
The utility model In view of the above shortcomings of the prior art, proposes a kind of cold supply system using residual heat of electric power plant,
The utility model can make full use of a variety of residual heat resources of generating set, improve refrigerating capacity
The technical solution of the utility model solution technical problem are as follows:
A kind of cold supply system using residual heat of electric power plant, including boiler, steam turbine and slag cooler, the slag-drip opening of boiler pass through row
Slag pipeline is connect with slag cooler slag inlet, and the exhanst gas outlet of boiler is connect by flue with air preheater, the steam turbine
Steam exhaust outlet is connect by jet chimney with heat exchanger water inlet, and heat exchanger water outlet is connect with condensate pipeline；The air is pre-
The outlet flue of hot device is connect by smoke-intake pipe road with heat exchanger air inlet, and heat exchanger gas outlet passes through smoke-returning pipeline and desulphurization denitration
The smoke inlet of equipment connects；The water inlet of the slag cooler is connect by water return pipeline with heat exchanger water outlet, heat exchanger water inlet
Mouth is connect by water inlet line with slag cooler water outlet；Heat exchanger drives pipeline and absorption system by heat source for hot water outlet
The generator heat supply import of cold connects, and the generator heat supply outlet of Absorption Refrigerator passes through heat source water return pipeline and heat exchanger
Heat supply water return outlet connection.
Further, be connected in turn on the flue between the exhanst gas outlet and air preheater of the boiler deduster and
Economizer.
Further, the heat exchanger is heat exchangers for district heating.
Further, the heat source water return pipeline is equipped with water circulating pump.
Further, the heat source driving pipeline and heat source water return pipeline are underground pipe.
Further, the Absorption Refrigerator is lithium-bromide absorption-type refrigerating machine.
Further, the evaporator of the Absorption Refrigerator by chilled water water inlet line and chilled water water return pipeline with
Air-conditioning connection.
Further, the condenser of the Absorption Refrigerator is connected by hot water pipeline and hot water return pipeline and hot water facility
It connects.
Further, the jet chimney is connected by the heat source import of steam branch pipe and condensing engine, the heat source of condensing engine
Outlet is connect by condensate branch pipe with condensate pipeline, and condensing engine is connect with cooling tower；The air preheater is set with desulphurization denitration
Also by there is spare flue to connect between standby；It is also connected by water inlet pipe between the inlet pipeline and heat source driving pipeline,
It is also connected by return branch between the water return pipeline and heat source water return pipeline.
Further, the jet chimney between the steam branch pipe and heat exchanger water inlet is equipped with valve one, described
Condensate pipeline between condensate branch pipe and heat exchanger water outlet is equipped with valve two, and steam branch pipe is equipped with valve three, condensate branch
Pipe is equipped with valve four；The smoke-intake pipe road is equipped with valve nine, and the smoke-returning pipeline is equipped with valve ten, the spare flue
It is equipped with valve 11；Water inlet line between the water inlet pipe and heat exchanger water inlet is equipped with valve five, the return water
Water return pipeline between branch pipe and heat exchanger water outlet is equipped with valve six, and water inlet pipe is equipped with valve seven, in return branch
Equipped with valve eight.
The utility model has the advantages that
1, it is connect by jet chimney with heat exchanger water inlet by allowing the steam exhaust of the steam turbine to export, heat exchanger water outlet
Mouth is connect with condensate pipeline, is able to use exhaust steam residual heat and is carried out heat driven heat source；By allowing the outlet flue of the air preheater
It is connect by smoke-intake pipe road with heat exchanger air inlet, heat exchanger gas outlet passes through the smoke inlet of smoke-returning pipeline and desulphurization denitration equipment
Connection, is able to use fume afterheat；It is connect, is changed with heat exchanger water outlet by water return pipeline by the water inlet of the slag cooler
Hot device water inlet is connect by water inlet line with slag cooler water outlet, can be using deslagging waste heat come heat driven heat source；Sufficiently
The waste heat of flue gas in generating set, steam exhaust and deslagging is utilized, carrys out heat driven heat source, driving heat source is then passed through into heat source
Driving pipeline is transmitted in Absorption Refrigerator, and the chilled water for producing idle call using driving heat source driving Absorption Refrigerator is full
The cold demand of foot realizes the energy effective use of generating set, improves refrigerating capacity.
2, by being connected with deduster and economizer, energy in turn between the exhanst gas outlet and air preheater of the boiler
When enough boiler smoke being made to pass through deduster, the carrying cigarette ash in boiler smoke is filtered out, the pollution of discharge flue gas is reduced, by removing
The flue gas of dirt enters in economizer, is capable of the waste heat of recovered flue gas, reduces the exhaust gas temperature of flue gas, saves the energy, improves effect
Rate.
3, by being specially heat exchangers for district heating by heat exchanger, because heat supply network heat exchanger has the advantages that energy conservation and environmental protection.
4, by being equipped with water circulating pump on heat source water return pipeline, water circulating pump can be to come in self-heat power water return pipeline
Heat source return water provides transmission power.
5, because heat source driving pipeline and heat source water return pipeline are underground pipe, in driving heat source in heat source driving tube
When transmitting in road and heat source water return pipeline, thermal loss is small, and heat insulation effect is good, is particularly suitable for driving at a distance to be conveyed with cold-zone
The case where dynamic heat source, realize residual heat of electric power plant meet remote region with cold demand.
It 6, can be without expending a large amount of electric energy, lithium-bromide absorption-type refrigerating machine by using lithium-bromide absorption-type refrigerating machine
It is to be particularly suitable for the case where refrigeration, hardly needing cost running expense using waste heat, waste heat using thermal energy as power,
Just a large amount of cold source can be obtained, economy is high；And using lithium-bromide solution as working medium, lithium-bromide absorption-type refrigerating machine is again in vacuum
Lower operation, it is odorless, nontoxic, without explosion danger, securely and reliably.
7, by the way that the evaporator of Absorption Refrigerator is passed through chilled water water inlet line and chilled water water return pipeline and air-conditioning
Connection, can allow water as refrigerant in the evaporator of Absorption Refrigerator, absorb the freezing hydro-thermal in chilled water water return pipeline
Amount, the heat of the chilled water in chilled water water return pipeline are absorbed, and the heat of chilled water reduces, and pass through chilled water water inlet pipe
Road enters air-conditioning use.
8, by the way that the condenser of Absorption Refrigerator to be connect by hot water pipeline and hot water return pipeline with hot water facility, energy
Enough refrigerant vapours by the condenser of Absorption Refrigerator with come in self-heating water return pipeline to carry out heat with water and exchange, come from
The heat of refrigerant vapour is absorbed with water in hot water return pipeline, temperature increases, and enters in hot water facility by hot water pipeline
It uses.
9, by allowing jet chimney to connect by the heat source import of steam branch pipe and condensing engine, the thermal source outlet of condensing engine is logical
It crosses condensate branch pipe to connect with the condensate pipeline, condensing engine is connect with cooling tower, can not produce absorption in heat exchanger failure
It when the driving heat source of formula refrigeration machine, can make steam exhaust that can still be condensed into condensed water, return to condensate system circulation；By
It is also communicated with spare flue between air preheater and desulphurization denitration equipment, flue gas can be allowed after resuming in heat exchanger failure
It is input into desulphurization denitration equipment；Water inlet pipe, the return pipe are connected between pipeline by driving in inlet pipeline and heat source
It is connected with return branch between road and heat source water return pipeline, can not produce the drive of Absorption Refrigerator in heat exchanger failure
It can be directly Absorption Refrigerator using deslagging waste heat because deslagging waste heat can achieve 800 DEG C or more when dynamic heat source
Driving heat source is provided, one is provided for cooling in summer more and ensures again.
10, by being equipped with valve one on the jet chimney between steam branch pipe and heat exchanger water inlet, in condensate branch pipe
Condensate pipeline between heat exchanger water outlet is equipped with valve two, and steam branch pipe is equipped with valve three, and condensate branch pipe is equipped with
Valve four can control the shutdown and circulation of each pipeline, and when heat exchanger runs well, Open valve one and valve two are closed
Valve three and valve four, when heat exchanger failure, then Open valve three and valve four, close valve one and valve two；By
Smoke-intake pipe road is equipped with valve nine, and valve ten is equipped on smoke-returning pipeline, and the spare flue is equipped with valve 11, Neng Gou
When heat exchanger works normally, Open valve nine and valve ten close valve 11, when heat exchanger failure, close nine He of valve
Valve ten, Open valve 11；By being equipped with valve on the water inlet line between the water inlet pipe and heat exchanger water inlet
Five, valve six is equipped on the water return pipeline between the return branch and heat exchanger water outlet, water inlet pipe is equipped with valve
Seven, return branch is equipped with valve eight, can be when heat exchanger runs well, and Open valve five and valve six close valve seven
Valve five and valve six, Open valve seven and valve eight are closed in heat exchanger failure with valve eight；In addition to this, Ke Yitong
The on-off that control valve one arrives valve 11 is crossed, to control the waste heat source for producing driving heat source.
Detailed description of the invention
Fig. 1 is a kind of cold supply system figure using residual heat of electric power plant of embodiment 1；
Fig. 2 is a kind of cold supply system figure using residual heat of electric power plant of embodiment 2.
Description of symbols: 1- boiler, 101- flue, 102- Residue extraction pipeline, 2- steam turbine, 201- jet chimney, 202-
Condensate pipeline, 203- steam branch pipe, 204- condensate branch pipe, 3- heat exchanger, 301- heat source drive pipeline, 302- heat source return pipe
Road, 4- Absorption Refrigerator, 401- chilled water water inlet line, 402- chilled water water return pipeline, 403- hot water pipeline, 404- heat are returned
Waterpipe, 5- slag cooler, 501- water inlet line, 502- water return pipeline, 503- water inlet pipe, 504- return branch, 6- deduster,
7- economizer, 8- air preheater, 801- smoke-intake pipe road, 802- smoke-returning pipeline, the spare flue of 803-, 9- desulphurization denitration equipment,
10- chimney, 11- air-conditioning, 12- hot water facility, 13- condensing engine, 14- cooling tower, 001- valve one, 002- valve two, 003- valve
Three, 004- of door valve four, 005- valve five, 006- valve six, 007- valve seven, 008- valve eight, 009- valve nine, 010- valve
Ten, 011- of door valve 11.
Specific embodiment
The utility model in order to better understand is with reference to the accompanying drawing further elaborated the utility model.
Embodiment 1:
As shown in Figure 1, a kind of cold supply system using residual heat of electric power plant, including boiler 1, steam turbine 2 and slag cooler 5, boiler 1
Slag-drip opening connect with 5 slag inlet of slag cooler by Residue extraction pipeline 102, the exhanst gas outlet of the boiler 1 passes through flue 101 and sky
Air preheater 8 connects, and the steam exhaust outlet of the steam turbine 2 is connect by jet chimney 201 with 3 water inlet of heat exchanger, heat exchanger 3
Water outlet is connect with condensate pipeline 202；The outlet flue of air preheater 8 is connected by smoke-intake pipe road 801 and 3 air inlet of heat exchanger
It connects, 3 gas outlet of heat exchanger is connect by smoke-returning pipeline 802 with the smoke inlet of desulphurization denitration equipment 9；The water inlet of slag cooler 5 is logical
It crosses water return pipeline 502 to connect with 3 water outlet of heat exchanger, 3 water inlet of heat exchanger passes through water inlet line 501 and 5 water outlet of slag cooler
Connection；Heat exchanger 3 drives the generator heat supply import of pipeline 301 and Absorption Refrigerator 4 to connect for hot water outlet by heat source
It connects, the generator heat supply outlet of Absorption Refrigerator 4 is connect by heat source water return pipeline 302 with the heat supply water return outlet of heat exchanger 3.
Further, deduster is connected in turn on the flue between the exhanst gas outlet and air preheater 8 of the boiler 1
6 and economizer 7, the outlet flue of the desulphurization denitration equipment 9 is connect by flue with chimney 10.
Further, the heat exchanger 3 is heat exchangers for district heating.In addition, heat exchanger 3 can also be composite heat-exchanger.
Further, the heat source water return pipeline 302 is equipped with water circulating pump 11.
Further, the heat source driving pipeline 301 and heat source water return pipeline 302 are underground pipe.
Further, the Absorption Refrigerator 4 is lithium-bromide absorption-type refrigerating machine.Specifically, suction-type lithium bromide system
Cold is existing can be bought on the market, here, the working principle of statement lithium-bromide absorption-type refrigerating machine: suction-type lithium bromide
Refrigeration machine includes absorber, evaporator, generator and condenser, the water as refrigerant in the evaporator of lithium-bromide absorption-type refrigerating machine,
The chilled water heat in chilled water water return pipeline is absorbed, the heat of the chilled water in chilled water water return pipeline is inhaled
It receives, the heat of chilled water reduces, and enters air-conditioning by chilled water water inlet line and uses；Water as refrigerant is absorbed from chilled water return water
It is evaporated after chilled water heat in pipeline, becomes refrigerant vapour, refrigerant vapour is absorbed the absorption of the lithium bromide concentrated solution in device, bromine
Changing lithium concentrated solution becomes lithium bromide weak solution, and lithium bromide weak solution enters in generator, is driven heat in heat source driving pipeline 301
Source heating, is concentrated by evaporation lithium bromide weak solution, becomes lithium bromide concentrated solution, and lithium bromide concentrated solution returns to be used in absorber,
During lithium bromide weak solution is concentrated by evaporation, refrigerant vapour, which is evaporated, to be isolated, and is entered in condenser, in condenser
In, refrigerant vapour with come in self-heating water return pipeline 404 to carry out heat with water and exchange, being absorbed with water in Lai Zire water return pipeline
The heat of refrigerant vapour, temperature increases, and enters in hot water facility by hot water pipeline and use, meanwhile, refrigerant vapour cools down
As in water as refrigerant Returning evaporimeter.
Further, the evaporator of the Absorption Refrigerator 4 passes through chilled water water inlet line 401 and chilled water return pipe
Road 402 is connect with air-conditioning 11.
Further, the condenser of Absorption Refrigerator 4 is set by hot water pipeline 403 and hot water return pipeline 404 with hot water
Standby 12 connection, specifically, hot water facility 12 makes a living and applies flexibly water end (W.E.).
The course of work:
By the construction of Absorption Refrigerator 4 near the central cooling of region, the high-temperature steam in generating set is in steam turbine 2
After acting power generation, high-temperature steam reforming is steam exhaust, and the temperature of steam exhaust belongs to low-quality heat source at 100-200 DEG C, and steam exhaust is from vapour
The steam exhaust of turbine 2 exports out, and the water inlet of heat exchanger 3 is entered by jet chimney 201, and carrys out self-heat power water return pipeline 302
Heat source return water carry out heat exchange, the heat source return water temperature in heat source water return pipeline 302 is 70 DEG C, after completing heat exchange,
Steam exhaust cooling is condensed into condensed water, and condensed water enters condensate pipeline 202 by 3 water outlet of heat exchanger, carrys out self-heat power water return pipeline
Heat source return water in 302 is warming up to 100 DEG C, from coming out for hot water outlet for heat exchanger 3, enters by heat source driving pipeline 301
Absorption Refrigerator 4 is used as driving heat source.
Flue gas enters heat exchanger 3 by smoke-intake pipe road 801 from the outlet flue of air preheater 8, and carrys out self-heat power return pipe
The heat source return water in road 302 carries out heat exchange, changed away the flue gas of heat from 3 gas outlet of heat exchanger by smoke-returning pipeline 802 into
Enter desulphurization denitration equipment 9, the heat source return water come in self-heat power water return pipeline 302 is warming up to 100 DEG C, goes out from the heat supply of heat exchanger 3
The mouth of a river comes out, and enters Absorption Refrigerator 4 by heat source driving pipeline 301, as driving heat source.
1 deslagging of boiler carries out heat with the cooling water from water return pipeline 502 in slag cooler 5 and exchanges, and comes from return pipe
After cooling water in road 502 absorbs deslagging heat, the continuation of heat exchanger 3 is entered by water inlet line 501 and carrys out self-heat power return water
The heat source return water of pipeline 302 carries out heat exchange, after carrying out the heat source return water heating in self-heat power water return pipeline 302, passes through heat source
It drives pipeline 301 to enter Absorption Refrigerator 4 and is used as driving heat source.
The driving heat source for coming self-heat power driving tube road 301 enters Absorption Refrigerator 4, specifically, Absorption Refrigerator 4 is
Lithium-bromide absorption-type refrigerating machine, driving heat source heat supply in the generator of lithium-bromide absorption-type refrigerating machine, the heat of driving heat source
Lithium-bromide solution dilute in generator is concentrated by evaporation as dense lithium-bromide solution, dense lithium-bromide solution is in lithium-bromide absorption-type refrigerating machine
Absorber in, absorb in lithium-bromide absorption-type refrigerating machine evaporator refrigerant vapour, refrigerant vapour is to absorb to come from
Chilled water heat in chilled water water return pipeline 402, becomes refrigerant vapour from water as refrigerant, comes from chilled water water return pipeline 402
In the heat of chilled water be absorbed, the heat of chilled water reduces, and passes through chilled water water inlet line 401 and enters air-conditioning 11 and uses.
It is that dense lithium bromide is molten in addition to dilute lithium-bromide solution is evaporated concentration in the generator of lithium-bromide absorption-type refrigerating machine
Liquid, the refrigerant vapour in dilute lithium-bromide solution are evaporated separation, evaporate the refrigerant vapour isolated and enter in condenser, and come from
Heat exchange is carried out with water in hot water return pipeline 404, absorbs the heat of refrigerant vapour with water in Lai Zire water return pipeline 404
Amount, temperature increase, and are entered in hot water facility by hot water pipeline 403 and used.
Driving heat source is produced using a variety of waste heats of power plants generating electricity unit, driving heat source is transmitted at a distance, is transported to use
Cold-zone domain avoids the various uncertain and risks for directly transporting cold water, is particularly suitable for using power generator at a distance
The case where group waste heat realizes region central cooling, better than the feelings for producing chilled water long-distance sand transport again in power plants generating electricity unit side
Condition, avoids that cold water temperature rise is big, cold damage value is difficult to calculate, pipe network thermal requirements are high, pipe network need to add damp-proof layer, compensator shrinkage value big
The problem of.
The waste heat for taking full advantage of flue gas in generating set, steam exhaust and deslagging, carrys out heat driven heat source, then will driving
Heat source drives pipeline 301 to be transmitted in Absorption Refrigerator 4 by heat source, is made using driving heat source driving Absorption Refrigerator 4
It takes the chilled water of air-conditioning 11 to meet cold demand, realizes the energy effective use of generating set, improve refrigerating capacity.
Embodiment 2:
A kind of cold supply system using residual heat of electric power plant, it is same as Example 1, the difference is that:
As shown in Fig. 2, a kind of cold supply system using residual heat of electric power plant, jet chimney 201 passes through steam branch pipe 203 and condensing
The heat source import of machine 13 connects, and the thermal source outlet of condensing engine 13 is connect by condensate branch pipe 204 with condensate pipeline 202, condensing engine
13 connect with cooling tower 14.
Further, the jet chimney 201 between 3 water inlet of the steam branch pipe 203 and heat exchanger is equipped with valve
One 001, the condensate pipeline 202 between 3 water outlet of the condensate branch pipe 204 and heat exchanger is equipped with valve 2 002, steam branch pipe
203 are equipped with valve 3 003, and condensate branch pipe 204 is equipped with valve 4 004.
Further, spare flue 803 is also communicated between the air preheater 8 and desulphurization denitration equipment 9.
Further, the smoke-intake pipe road 801 is equipped with valve 9 009, and the smoke-returning pipeline 802 is equipped with valve ten
101, the spare flue 803 is equipped with valve 11.
Further, the inlet pipeline 501 and heat source drive and are connected with water inlet pipe 503 between pipeline 301, and described time
Return branch 504 is connected between water lines 502 and heat source water return pipeline 302.
Further, the water inlet line 501 between 3 water inlet of the water inlet pipe 503 and heat exchanger is equipped with valve
5 005, the water return pipeline 502 between 3 water outlet of the return branch 504 and heat exchanger is equipped with valve 6 006, water inlet pipe
503 are equipped with valve 7 007, and return branch 504 is equipped with valve 8 008.
The course of work:
When heat exchanger 3 breaks down, when can not heat the heat source return water come in self-heat power water return pipeline 302, closing valve
One 001, valve 2 002, valve 5 005 and valve 6 006 and valve 9 009 and valve 10, Open valve 3 003,
Valve 4 004, valve 7 007 and valve 8 007 and valve 11 after steam exhaust exports from the steam exhaust of steam turbine 2, pass through out
Jet chimney 201 and steam branch pipe 203 enter condensing engine 13, carry out heat with the cooling water from cooling tower 14 and exchange, steam exhaust
It is cooled to be condensed into condensed water, condensate pipeline 202 is entered by condensate branch pipe 204.
Flue gas enters desulphurization denitration equipment 9 by spare flue 803 from the outlet flue of air preheater 8, de- by desulfurization
It is discharged after the desulphurization denitration processing of nitre equipment 9 by chimney 10.
Because the deslagging temperature from boiler 1 often can achieve 800 DEG C or more, directly deslagging temperature can be used to inhale
In receipts formula refrigeration machine 4, specifically, 1 deslagging of boiler is in slag cooler 5, and followed by heat source return pipe, 302, return branch
504 and water return pipeline 502 heat source return water carry out heat exchange, after heat source return water absorbs deslagging heat, pass sequentially through into
Waterpipe 501, water inlet pipe 503 and heat source driving pipeline 301 enter in Absorption Refrigerator 4, as driving heat source.
So this system still is able to provide driving heat source for Absorption Refrigerator 4 when heat exchanger 3 breaks down.For
Cooling in summer provides one more and ensures again.
Claims (10)
1. a kind of cold supply system using residual heat of electric power plant, including boiler, steam turbine and slag cooler, the slag-drip opening of boiler pass through deslagging
Pipeline is connect with slag cooler slag inlet, and the exhanst gas outlet of boiler is connect by flue with air preheater, which is characterized in that described
The steam exhaust outlet of steam turbine is connect by jet chimney with heat exchanger water inlet, and heat exchanger water outlet is connect with condensate pipeline；
The outlet flue of the air preheater is connect by smoke-intake pipe road with heat exchanger air inlet, and heat exchanger gas outlet is by returning cigarette
Pipeline is connect with the smoke inlet of desulphurization denitration equipment；
The water inlet of the slag cooler is connect by water return pipeline with heat exchanger water outlet, and heat exchanger water inlet passes through water inlet line
It is connect with slag cooler water outlet；
Heat exchanger drives the generator heat supply import of pipeline and Absorption Refrigerator to connect for hot water outlet by heat source, absorbs
The generator heat supply outlet of formula refrigeration machine is connected by the heat supply water return outlet of heat source water return pipeline and heat exchanger.
2. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the flue gas of the boiler
Deduster and economizer are connected in turn on flue between outlet and air preheater.
3. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the heat exchanger is heat
Net heater.
4. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the heat source return pipe
Road is equipped with water circulating pump.
5. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the heat source driving tube
Road and heat source water return pipeline are underground pipe.
6. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the absorption refrigeration
Machine is lithium-bromide absorption-type refrigerating machine.
7. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the absorption refrigeration
The evaporator of machine is connect by chilled water water inlet line and chilled water water return pipeline with air-conditioning.
8. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the absorption refrigeration
The condenser of machine is connect by hot water pipeline and hot water return pipeline with hot water facility.
9. a kind of cold supply system using residual heat of electric power plant according to claim 1, which is characterized in that the jet chimney is logical
The heat source import for crossing steam branch pipe and condensing engine connects, and the thermal source outlet of condensing engine is connected by condensate branch pipe and the condensate pipeline
It connects, condensing engine is connect with cooling tower；
It is also connected by spare flue between the air preheater and desulphurization denitration equipment；
It is also connected by water inlet pipe between the inlet pipeline and heat source driving pipeline, the water return pipeline and heat source return pipe
It is also connected by return branch between road.
10. a kind of cold supply system using residual heat of electric power plant according to claim 9, which is characterized in that the steam branch pipe
Jet chimney between heat exchanger water inlet is equipped with valve one, the condensate between the condensate branch pipe and heat exchanger water outlet
Pipeline is equipped with valve two, and steam branch pipe is equipped with valve three, and condensate branch pipe is equipped with valve four；
The smoke-intake pipe road is equipped with valve nine, and the smoke-returning pipeline is equipped with valve ten, and the spare flue is equipped with valve
11；
Water inlet line between the water inlet pipe and heat exchanger water inlet is equipped with valve five, the return branch and heat exchanger
Water return pipeline between water outlet is equipped with valve six, and water inlet pipe is equipped with valve seven, and return branch is equipped with valve eight.
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| CN201821286542.XU CN208794781U (en) | 2018-08-10 | 2018-08-10 | A kind of cold supply system using residual heat of electric power plant |
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| CN201821286542.XU CN208794781U (en) | 2018-08-10 | 2018-08-10 | A kind of cold supply system using residual heat of electric power plant |
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| CN (1) | CN208794781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710001A (en) * | 2020-12-30 | 2021-04-27 | 灌南宏耀环保能源有限公司 | Thermal power generation boiler capable of recovering heat energy |
| CN113983848A (en) * | 2021-11-17 | 2022-01-28 | 内蒙古鑫州新能源热力有限公司 | Waste heat recycling heat balance system |
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2018
- 2018-08-10 CN CN201821286542.XU patent/CN208794781U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710001A (en) * | 2020-12-30 | 2021-04-27 | 灌南宏耀环保能源有限公司 | Thermal power generation boiler capable of recovering heat energy |
| CN113983848A (en) * | 2021-11-17 | 2022-01-28 | 内蒙古鑫州新能源热力有限公司 | Waste heat recycling heat balance system |
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