CN109654591A - The waste heat coupled system of the postposition gain of heat - Google Patents
The waste heat coupled system of the postposition gain of heat Download PDFInfo
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- CN109654591A CN109654591A CN201811578066.3A CN201811578066A CN109654591A CN 109654591 A CN109654591 A CN 109654591A CN 201811578066 A CN201811578066 A CN 201811578066A CN 109654591 A CN109654591 A CN 109654591A
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
-
- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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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
- F25B30/04—Heat pumps of the sorption type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
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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
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The waste heat coupled system of the postposition gain of heat, belong to the recycling of heat supply waste heat and heat distribution field, in order to solve low-temperature heat source and high temperature heat source mixed heat transfer, in heating, the problem of heating demands can be met, first water outlet in float glass workshop is passed through hot pond by the first water pipe, the entrance of cooling tower is connected to upper hose, the export pipeline of cooling tower is passed through cold drop, the hot end of the evaporator of the 4th heat pump of outlet connection of water-water jet, the cold end of evaporator connects the second water segregator, second water segregator installs two-way shunt valve, the one outlet of shunt valve connects power plant's condensing gas return pipe, intermediary's water of float glass waste heat is obtained as low-temperature heat source, the usage amount of power plant water is substantially reduced, improve economic benefit.
Description
Technical field
The invention belongs to the recycling of heat supply waste heat and heat distribution field, are related to a kind of waste heat coupled system of postposition gain of heat.
Background technique
In recent years, with the increase of China's urban heat supplying area and the increasing of industrial premises building of production line, so that I
State's heating power consumption figure rapid growth, is analyzed, China resident heating is mainly the following mode at present from heat-supplying mode:
Cogeneration of heat and power mode, middle-size and small-size district boiler room central heating, household small-size gas water-heating furnace, family's coal furnace etc., wherein heat
Electricity Federation produces after mode is high-grade heat energy power-generating using fuel, by the comprehensive energy utilization technology of its low grade heat energy heat supply.
The average generating efficiency of 3,000,000 kilowatts of China firepower electrical plant is 33% at present, and when steam power plant's heat supply, generating efficiency is reachable
20%, remaining 80%, 70% or more in heat can be used for heat supply, the fuel of 10000 kilojoule heats, using cogeneration of heat and power side
Formula can produce 2000 kilojoule electric power and 7000 kilojoule heats, and common thermal power plant is used to generate electricity, this 2000 kilojoule electric power needs
6000 kilojoule fuel are consumed, therefore by the electric power of cogeneration of heat and power mode output, according to the generating efficiency of common power plant, deduct its combustion
Material consumption, remaining 4000 kilojoule fuel can produce 7000 kilojoule heats.In this sense, then the efficiency of steam power plant's heat supply
It is 170%, about twice of medium small boiler room heating efficiency.In conditions permit, the heating of cogeneration of heat and power should be first developed
Mode.It supplies to hanker in cogeneration of heat and power mode, or there is some problems, such as；One side power plant high-temperature steam is expensive,
On the other hand, a large amount of thermal insulation material is needed to reduce thermal loss in the steam heating pipeline of high temperature, it is higher in heating temperature
In the case where, although will cause biggish thermal losses using more thermal insulation material.It needs to look for other cheap productions thus
The heat sources such as big industrial waste heat are measured to replace the high-temperature steam of power plant part.And it is useless by the low-temperature industrial of representative of float glass factory
Heat is discarded in vain at present, or is additionally discharged using hydroelectric resources, is abandoned very unfortunate.
Summary of the invention
In order to solve low-temperature heat source and high temperature heat source mixed heat transfer, in heating, heating demands can be met, and reduce
The problem of self-loopa of intermediary's water is realized in the use of high temperature heat source, and heat is fairly distributed, the present invention proposes following technical side
Case:
A kind of waste heat coupled system of the postposition gain of heat, including float glass waste-heat recovery device, solar energy waste heat recycling dress
It sets and lithium bromide heat pump heating device；
The float glass waste-heat recovery device, including float glass workshop, Re Chi, cold drop, second circulation pump, two-stage control
First water outlet of valve processed, cooling tower, heat pump, float glass workshop is passed through hot pond, the entrance connection of cooling tower by the first water pipe
Upper hose, the export pipeline of cooling tower are passed through cold drop, and upper hose installation two-step evolution valve and circulating pump, upper hose are passed through hot pond,
Circulating pump is arranged at the position between hot pond and two-step evolution valve of upper hose, by the upper water between the valve of two-step evolution valve
Pipe connection, and it is located at the upper hose connected component water pipe of the part, the branch water pipe is located at the portion by piping connection heat pump
The pipeline divided is equipped with the 7th control valve；Heat pump includes three groups, and the hot end input of the evaporator of each heat pump is branch water pipe, heat pump
Evaporator cold end output connection cooling tower；The hot end output of the condenser of heat pump is water collector, the front end of the water collector
Pipeline installs the 4th circulating pump；
The solar energy waste-heat recovery device, including solar water heater, phase transition heat accumulation unit, water tank, temperature sensing
Device, the 5th circulating pump, the 13rd control valve, the 14th control valve, the 15th control valve, the loop exit and solar energy of water tank
By piping connection between water heater, and the 15th control valve, the outlet pipe branch two-way of solar water heater are set in the line segments
The 13rd control valve is arranged all the way, and connect with the 5th circulating pump for water pipe in parallel on water pipe, the is arranged on another way water pipe
14 control valves, and connect with phase transition heat accumulation unit, the 5th circulating pump is connected by phase transition heat accumulation unit, the 5th circulating pump
The loop head of outlet connection water tank.The one outlet of the shunt valve of the entrance and lithium bromide heat pump heating device of water tank connects
It connects；
The lithium bromide heat pump heating device includes lithium bromide heat pump, the 4th heat pump, water-water jet, water segregator and water tank；
The lithium bromide heat pump includes high-temperature heat transfer section, low-temperature heat exchange section, medium temperature heat exchanging segment, and the water-water jet enters including first
The condenser of mouth, second entrance and outlet, the 4th heat pump connects the second output pipe；The entrance of the high-temperature heat transfer section connects
Cogeneration system, the entrance of the outlet connection low-temperature heat exchange section of high-temperature heat transfer section, the outlet of low-temperature heat exchange section connects water-water jet
First entrance, the second entrance of the outlet water-water jet of water collector, water-water jet outlet connection the 4th heat pump evaporator
Hot end, the cold end of evaporator connects the second water segregator, and second water segregator installs two-way shunt valve, the one of shunt valve
A outlet connects power plant's condensing gas return pipe, the water tank of another outlet connection solar energy waste-heat recovery device of shunt valve
Entrance, and the 15th control valve is installed in the pipeline of connection, the solar energy waste-heat recovery device includes solar water heater, phase
Become regenerative apparatus, water tank, temperature sensor, the 5th circulating pump, the 13rd control valve, the 14th control valve, the 16th control
Valve, temperature sensor are mounted in water tank, by piping connection between the outlet and solar water heater of water tank, and in the pipeline
Section the 16th control valve of setting, the outlet pipe branch two-way parallel connection water pipe of solar water heater are arranged the 13rd all the way on water pipe
Control valve, and connect with the 5th circulating pump, the 14th control valve is set on another way water pipe, and connects with phase transition heat accumulation unit
It connects, the 5th circulating pump, the loop head of the outlet connection water tank of the 5th circulating pump, bromination is connected by phase transition heat accumulation unit
The medium temperature heat exchanging segment of lithium heat pump connects the first output pipe, and the condenser end of the 4th heat pump connects the second output pipe.
The utility model has the advantages that condensed water in power plant is expensive, and float glass water only uses power plant water conduct using cheap
The high temperature heat source cost of lithium bromide heat pump is excessively high, obtains intermediary's water of float glass waste heat as low-temperature heat source, significantly subtracts
The low usage amount of power plant water, improves economic benefit, can provide a large amount of low-temperature heat source and high-temperature steam that power plant provides
Coupling heat supply greatly reduces the dosage of power plant's high-temperature steam under conditions of not influencing heating effect, and takes full advantage of floating
The low-temperature heat source that method glass factory generates, reduces heat cost, improves economic benefit.There is product to realization target for energy-saving and emission-reduction
Pole effect.Lithium bromide heat pump heating device is exchanged heat to storage water, between user terminal and power plant water, by high temperature power plant water and
The heat for storing water supplies user terminal, i.e., completes heat exchange by lithium bromide heat pump, heat pump, and the water at low temperature after heat exchange is returned respectively
Telegram in reply factory and the first water segregator not only complete high temperature heat and Low Temperature Thermal so that the water at low temperature after heat exchange continues to participate in circulation
Water, is also recycled by the output together of amount, realizes the saving at water source and heat and sufficiently uses.
Detailed description of the invention
Fig. 1 is the pipeline connecting figure of apparatus of the present invention.
Fig. 2 is the pipeline connecting figure of power plant's cogeneration system of the invention.
1. float glass workshop, 2. preparation water tanks, 3. first control valves, 4. second control valves, 5. first circulations pump, 6. is cold
But tower, 7. third control valves, 8. the 4th control valves, 9. the 5th control valves, 10. the 6th control valves, 11. the 7th control valves, 12.
Eight control valves, 13. the 9th control valves, 14. the tenth control valves, 15. the 11st control valves, 16. the 12nd control valves, 17. second
Circulating pump, 18. third circulating pumps, 19. gaps, 20. thermal insulation layers, 21. cold drops, 22. hot ponds, 23. first heat pumps, 24. second
Heat pump, 25. third heat pumps, 26. water collectors, 27. the 4th circulating pumps, 28. first water segregators,
29. temperature sensor, 30. the 15th control valves, 31. water tanks, 32. the 5th circulating pumps, 33. phase-transition heat-storages dress
It sets, 34. the 13rd control valves, 35. the 14th control valves, 36. solar water heaters, 37. the 16th control valves, 38. lithium bromides
Heat pump, 39. user end pipelines, 40. the 4th heat pumps, 41. cogeneration systems, 42. water-water jets, 43. shunt valves, 44. second
Water segregator, 45. power plant's condensing gas return pipes, 46. the 6th circulating pumps.
1-1. steam heat pump unit, 1-2. third lithium bromide heat pump unit, 1-3. the second lithium bromide heat pump unit, 1-4.
Monobromination lithium heat pump unit, 1-5. steam water heat exchanger, 1-6. steam exhaust device, 1-7. steam turbine.
Specific embodiment
Embodiment 1:
One kind integrating a variety of waste heat coupling heating systems, including the recycling of float glass waste-heat recovery device, solar energy waste heat
Device and lithium bromide heat pump heating device.
The float glass waste-heat recovery device, including float glass workshop (1), hot pond (22), cold drop (21), second follow
Ring pumps (17), third circulating pump (18) two-step evolution valve, cooling tower (6), heat pump, first water outlet of float glass workshop (1)
It is passed through hot pond (22) by the first water pipe, the entrance of cooling tower (6) is connected to upper hose, and the export pipeline of cooling tower (6) is passed through cold drop
(21), upper hose installation two-step evolution valve and circulating pump, upper hose are passed through hot pond (22), and the hot pond of upper hose is arranged in circulating pump
(22) it at the position between two-step evolution valve, is connected between the valve of two-step evolution valve by the upper hose, and is located at the part
Upper hose connected component water pipe, the branch water pipe is by piping connection heat pump, and the pipeline for being located at the part is equipped with the 7th control
Valve (11) processed.
Heat pump includes three groups, i.e. heat pump 23, heat pump 24 and heat pump 25, the hot end of the evaporator of each heat pump (23,24,25) is defeated
Enter for branch water pipe, cold end output connection cooling tower (6) of the evaporator of heat pump.The cold end output and cooling of the evaporator of heat pump
Connecting pipeline between tower (6) is provided with the 12nd control valve (16).The hot end of the condenser of heat pump (23,24,25) exports
The front end pipeline of water collector (26), the water collector (26) installs the 4th circulating pump (27), the lithium bromide heat pump heating device
Shunt valve another outlet connection solar energy waste-heat recovery device water tank entrance, solar energy waste-heat recovery device
The cold end input of the first water segregator of outlet (28) of water tank (31), the condenser of heat pump (23,24,25) is first point of water
Device (28).
Upper hose described in the entrance of the cooling tower (6) two-way at least in parallel, often installs one group of control on water pipe on the way
Valve group processed, every group of control valve group include at least the two-step evolution valve of two-way parallel connection, by described between the valve of each road two-step evolution valve
Water pipe connection, and it is located at the upper hose connected component water pipe of the part, the branch water pipe connects multichannel heat pump by pipeline parallel connection,
And the pipeline for being located at the part is equipped with the 7th control valve (11).Specifically, the upper hose includes water in the first via in parallel
Pipe and the second road water pipe, first via upper hose install first group of control valve group, and first group of control valve group includes the first of parallel connection
Road two-step evolution valve and the second road two-step evolution valve, first via two-step evolution valve include the 8th control valve (12) and third control valve
(7), the second road two-step evolution valve includes the 9th control valve (13) and the 4th control valve (8)；Second road water pipe installs second group
Control valve group, second group of control valve group include first via two-step evolution valve and the second road two-step evolution valve in parallel, the first via two
Grade control valve includes the tenth control valve (14) and the 5th control valve (9), and the second road two-step evolution valve includes the 11st control valve
(15) and the 6th control valve (10)；The heat pump includes the first heat pump (23), the second heat pump (24) and third heat pump (25).
Float glass waste-heat recovery device further includes prepared water tank (2), and the outlet pipe of the prepared water tank (2) is passed through cold
Pond (21), second water outlet of float glass workshop (1) are connected to the second water pipe, the water outlet of the second outlet pipe and preparation water tank (2)
The first control valve (3) are installed in pipe connection, the outlet pipe of the second water pipe two sides, side, and the second control valve is installed in the other side
(4), first circulation pump (5) is installed on the outlet pipe in the second control valve (4) downstream.Between the hot pond (22) and cold drop (21) by
Thermal insulation layer (20) separates, and setting is connected to the gap (19) in two ponds on thermal insulation layer (20).
The execution method of above-mentioned apparatus is as follows: a kind of float glass exhaust heat recovering method, and float glass workshop (1) generates
37~39 DEG C of recirculated water is passed through hot pond (22) by the first water pipe, pressurizes, adds to second circulation pump (17), third circulating pump (18)
Pressure finishes, and opens the 8th control valve (12), the 9th control valve (13), the tenth control valve (14), the 11st control valve (15), closes
Third control valve (7), the 4th control valve (8), the 5th control valve (9), the 6th control valve (10), and open the 7th control valve
(11), 37~39 DEG C of recirculated water in hot pond (22) by upper hose circulating pump extract, and be drawn into the first heat pump (23),
Evaporator in second heat pump (24), third heat pump (25), as evaporator hot end input, 37~39 DEG C of the recirculated water with
24~26 DEG C of intermediary's water of the cold end of condenser exchanges heat, and after heat exchange, the hot end of condenser exports 33~35 DEG C of intermediary's water, steams
The cold end of hair device exports 31~33 DEG C of recirculated water and is supplied to cooling tower (6), and by being discharged into cold drop after cooling tower (6) cooling
(21), the recirculated water of cold drop (21) is opened the second control valve (4), the recirculated water quilt of cold drop (21) by first circulation pump (5) pressurization
Float glass workshop (1) is delivered to as float glass cooling water, when not needing heat exchange, opens the 8th control valve
(12), the 9th control valve (13), the tenth control valve (14), the 11st control valve (15), third control valve (7), the 4th control valve
(8), the 5th control valve (9), the 6th control valve (10), and the 7th control valve (11) is closed, 37~39 DEG C in hot pond (22)
Recirculated water is extracted by the circulating pump of upper hose, and it is cooling to be directly extracted cooling tower (6).The cold end output about 31 of evaporator~
33 DEG C of recirculated water is simultaneously supplied to cooling tower (6), and cooling water temperature requires to be 20~30 DEG C, i.e. cold drop in process flow production
(21) water temperature in should be maintained at 20~30 DEG C of metastable temperature environments, if evaporator cold end output circulating water temperature is higher than
At 30 DEG C, then by being discharged into cold drop (21) after cooling tower (6) cooling, if evaporator cold end output circulating water temperature is lower than 30 DEG C,
Then cold drop (21) directly are discharged into via cooling tower (6).
First heat pump (23), the second heat pump (24), third heat pump (25) condenser hot end export 33~35 DEG C in
Jie's water is collected by water collector (26).The pipeline of the front end of the water collector is installed for extracting intermediary's water in water collector (26)
4th circulating pump (27), another outlet connection solar energy waste heat recycling dress of the shunt valve of the lithium bromide heat pump heating device
The entrance for the water tank set, the first water segregator of outlet (28) of the water tank (31) of solar energy waste-heat recovery device, heat pump
The cold end input of the condenser of (23,24,25) is the first water segregator (28).
First heat pump (23), the second heat pump (24), 24~26 DEG C of cold end input of condenser of third heat pump (25)
Intermediary's water is supplied by the first water segregator (28), water storage of the water supply from solar energy waste-heat recovery device of first water segregator (28)
Tank, and the water supply of water tank is from by lithium bromide heat pump heating device, by return water after its heat exchange as this 24~26 DEG C
Intermediary's water is brominated the heat exchange of lithium heat pump heating device to form intermediary's water of float glass waste heat recycling, becomes high heat source supply,
And the water at low temperature after exchanging heat is reheated by solar energy waste-heat recovery device, and reaches the water source that suitable float glass recycles,
I.e. the partial heat and the high-temperature-hot-water of power plant are exchanged heat together and give user's pipeline by lithium bromide heat pump heating device, by float glass
Waste heat and solar energy waste heat are used as such as heating source, and intermediary's water with relatively stable low temperature after heat exchange is used for heat pump machine
The cold end output of the condenser end of group, circulation participate in heat exchange, play the role of saving to water and heat.
In the state of power-off, the second control valve (4) is closed, and the first control valve (3) is opened, the water in preparation water tank (2)
It can be the cooling water that float glass workshop (1) provides 15 minutes.By thermal insulation layer (20) between the hot pond (22) and cold drop (21)
Separate, and setting is connected to the gap (19) in two ponds, the dilutional hyponatremia in Re Chi (22) or cold drop (21) on thermal insulation layer (20)
And be more than gap (19) and enter corresponding pond in so that not because in independent pond because water excessively cause water by pond directly overflow
Out.
The solar energy waste-heat recovery device, including solar water heater (34), phase transition heat accumulation unit (33), water tank
(31), temperature sensor (29), the 5th circulating pump (32), the 13rd control valve (34), the 14th control valve (35), the 15th control
Valve (30) processed by piping connection between the loop exit and solar water heater (36) of water tank (31), and is arranged in the line segments
15th control valve (30), the outlet pipe branch two-way parallel connection water pipe of solar water heater (36) are arranged the tenth all the way on water pipe
Three control valves (34), and connect with the 5th circulating pump (32), the 14th control valve (35) of setting on another way water pipe, and with
Phase transition heat accumulation unit (33) connection connects the 5th circulating pump (32), the 5th circulating pump (32) by phase transition heat accumulation unit (33)
Outlet connection water tank (31) loop head.The shunt valve of the entrance and lithium bromide heat pump heating device of water tank (31)
One outlet connection, the first water segregator of the outlet connection float glass waste-heat recovery device of water tank, the connection of the first water segregator
More than one heat pump (23,24,25), and it is connected to the cold end of the condenser of heat pump (23,24,25).
The execution method of above-mentioned apparatus is as follows: solar energy exhaust heat recovering method:
Normal mode: when solar radiation intensity rather moderate, i.e. same day 7:00 to same day 11:00 and same day 15:00
When to same day 19:00, the 15th control valve (30) is opened, closes the 14th control valve (35), opens the 13rd control valve (34),
Extract the water in water tank (31) by the 5th circulating pump (32) by the loop exit of water tank (31), and by solar water
Device (36) heats the water in water tank (31), and via the pipeline for being equipped with the 13rd control valve (34), by the water after heating
Water tank (31) directly are extracted to, by the recirculated water inlet return of water tank (31) to water tank (31)；Recycle above-mentioned water storage
Heat cycles, until mode changes or the measured value of the temperature sensor (29) in water tank (31) reaches given threshold；
Energy accumulation mode: when solar radiation intensity is relatively excessive, i.e. when same day 11:00 to 15:00, the 15th control is opened
Valve (30) processed closes the 13rd control valve (34), opens the 14th control valve (35), starts phase transition heat accumulation unit (33), makes to store up
Water in water pot (31) is extracted by the loop exit of water tank (31) by the 5th circulating pump (32), and by solar water heater
(36) water in water tank (31) is heated, and via the pipeline for being equipped with phase transition heat accumulation unit (33), by phase transition heat accumulation unit
(33) excessive thermal energy is stored, leaving water temperature is made to be maintained at set temperature；Above-mentioned water storage heat cycles are recycled, until mode changes
Become；
Glow mode: when solar radiation intensity relative deficiency, i.e. when same day 19:00 to next day 7:00 or temperature sensing
When device (29) measures water temperature in half an hour and is consistently less than 40 DEG C；The 13rd control valve (34) is closed, the 14th control valve is opened
(35), start phase transition heat accumulation unit (33), make the water in water tank (31) by the loop exit of water tank (31) by the 5th circulation
Pump (32) extracts, and is heated by solar water heater (36) to the water in water tank (31), and via being equipped with phase-transition heat-storage
The pipeline of device (33) releases its thermal energy stored in accumulation of heat mode by phase transition heat accumulation unit (33), improves leaving water temperature,
Leaving water temperature is set to be maintained at set temperature；Above-mentioned water storage heat cycles are recycled, until mode changes.
Under the Three models,
The entrance of water tank (31) is connect with the one outlet of the shunt valve of lithium bromide heat pump heating device, and water tank goes out
First water segregator of mouthful connection float glass waste-heat recovery device, the first water segregator connect more than one heat pump (23,24,
25), and be connected to heat pump (23,24,25) condenser cold end.
The lithium bromide heat pump heating device, including lithium bromide heat pump (38), the 4th heat pump (40), water-water jet (42), point
Hydrophone (44) and water tank (31)；The lithium bromide heat pump (38) includes high-temperature heat transfer section, low-temperature heat exchange section, medium temperature heat exchange
Section, the water-water jet (42) include first entrance, second entrance and outlet, and the condenser connection second of the 4th heat pump (40) is defeated
Pipeline out；The entrance of the high-temperature heat transfer section connects cogeneration system (41), and the outlet connection low temperature of high-temperature heat transfer section changes
The outlet of the entrance of hot arc, the first entrance of outlet connection water-water jet (42) of low-temperature heat exchange section, water collector (26) mixes water
The second entrance of device (42), the outlet of water-water jet (42) connect the hot end of the evaporator of the 4th heat pump (40), the cold end of evaporator
It connects the second water segregator (44), the two-way shunt valve (43) of the second water segregator (44) installation, one of shunt valve (43)
Outlet connection power plant's condensing gas return pipe (45), the storage of another outlet connection solar energy waste-heat recovery device of shunt valve (43)
The entrance of water pot (31), and the 15th control valve (30) is installed in the pipeline of connection, the solar energy waste-heat recovery device includes
Solar water heater, phase transition heat accumulation unit (33), water tank (31), temperature sensor (29), the 5th circulating pump (32), the 13rd
Control valve (34), the 14th control valve (35), the 16th control valve (37), temperature sensor (29) are mounted on water tank (31)
In, by piping connection between the outlet and solar water heater of water tank (31), and the 16th control valve is set in the line segments
(37), the outlet pipe branch two-way parallel connection water pipe of solar water heater, all the way on water pipe be arranged the 13rd control valve (34), and with
5th circulating pump (32) connection, is arranged the 14th control valve (35) on another way water pipe, and with phase transition heat accumulation unit (33)
Connection connects the 5th circulating pump (32) by phase transition heat accumulation unit (33), and the outlet of the 5th circulating pump (32) connects water tank
(31) the medium temperature heat exchanging segment of loop head, lithium bromide heat pump (38) connects the first output pipe, the condensation of the 4th heat pump (40)
Device end connects the second output pipe.
The 6th circulating pump is installed in the outlet of the shunt valve (43) and the connecting line of water tank (31) entrance
(46).The connecting pipeline of the second entrance of the outlet and water-water jet (42) of water collector (26) installs the 4th circulating pump (27).Water storage
The outlet of tank (31) connects the first water segregator (28), and the first water segregator (28) connects more than one heat pump (23,24,25), and
It is connected to the cold end of the condenser of heat pump (23,24,25).First output pipe, the second output pipe connect user terminal
Pipeline, and be heat exchange thermal energy classification output.The user terminal pipeline is heat supplying pipeline.Its company of the cogeneration system (41)
It is connected to power plant, vapor (steam) temperature therein is about 100 DEG C, and the input temp of the high-temperature heat transfer section of lithium bromide heat pump (38) is about 100
DEG C, output temperature is about 60 DEG C, and the input temp of low-temperature heat exchange section is about 60 DEG C, and output temperature is about 38~42 DEG C, and medium temperature is changed
The input temp of hot arc is about 45 DEG C, and output temperature is about 60 DEG C；The output temperature that water-water jet (42) mixes water is 36~38 DEG C, the
The input temp of the hot end input of four heat pumps (40) evaporator is 36~38 DEG C, and cold end output is 8~12 DEG C, the cold end of condenser
Input temp is about 36 DEG C, and the temperature of hot end output is about 45 DEG C, and the temperature of the water exported in the water tank (31) is about 24
~26 DEG C.
By above-mentioned, lithium bromide heat pump heating device is exchanged heat between storage water, user terminal and power plant water, by high temperature
The heat of power plant water and storage water supplies user terminal, i.e., completes heat exchange by lithium bromide heat pump, heat pump, and by the low temperature after heat exchange
Water returns to power plant and the first water segregator respectively, so that the water at low temperature after heat exchange continues to participate in circulation, not only completes high temperature heat
With the output together of low-temperature heat quantity, also water is recycled, realize the saving at water source and heat and is sufficiently used.And in order to
Water at low temperature can be directly applied for the use of lithium bromide heat pump, filled in float glass waste-heat recovery device and lithium bromide heat pump heating
Increase solar energy waste-heat recovery device between setting, partial heat is supplemented with clean energy resource.
The execution method of above-mentioned apparatus is as follows: a kind of lithium bromide heat pump heating method, and power plant condenser introduces pipe and is connected to bromine
Change the high-temperature heat transfer section of lithium heat pump (38), and conveys high temperature heat-exchanging water (100 DEG C), the outlet low temperature of high-temperature heat transfer section to it
The entrance of heat exchanging segment, and to the heat-exchanging water (60 DEG C) after the conveying high temperature heat exchange of low-temperature heat exchange section, the outlet connection of low-temperature heat exchange section
The first entrance of water-water jet (42) and to water-water jet (42) transporting low temperature heat-exchanging water (38~42 DEG C), the outlet of water collector (26) connects
The second entrance of logical water-water jet (42) simultaneously conveys recycle-water (33~35 DEG C) to water-water jet (42), and low-temperature heat exchange water and recycle-water exist
It is mixed to form in water-water jet (42) mixing water (36~38 DEG C), the outlet of water-water jet (42) connects the evaporator of the 4th heat pump (40)
Hot end and it is conveyed mixing water (36~38 DEG C), mixing water is exchanged heat by the 4th heat pump (40), by the second water segregator after heat exchange
(44) divide water, the second water segregator (44) separates the water (8~12 DEG C) with the equivalent of cogeneration system (41) input, and by power plant
Condensing gas return pipe (45) is transmitted back to power plant, remaining water (8~12 DEG C) is transported to water tank (31) as return water, by temperature
Sensor (29) detects temperature lower than given threshold (24 DEG C) and then enables solar water heater to return water to the temperature detection of return water
Heating heats return water in water tank (31) by phase transition heat accumulation unit (33) release storage heat, improves the temperature of return water simultaneously
It can stablize at given threshold (24~26 DEG C).Solar energy waste-heat recovery device is placed on lithium bromide heat pump heating device,
The purpose is to the water supply that one side postposition heats available lithium bromide demand temperature, without its is preposition in the confession of lithium bromide heat pump
Heater device is to be able to obtain lower power plant's condensate return.
The medium temperature heat exchanging segment of lithium bromide heat pump (38) connects the first output pipe (45 ° of input temp), by high-temperature heat transfer section
And low-temperature heat exchange section exchanges heat (60 DEG C of output temperature) to medium temperature heat exchanging segment, by the evaporator section of the 4th heat pump (40) to condenser section
Heat exchange (45 DEG C of output temperature, input temp is 36 DEG C), for heat exchange thermal energy classification output.Temperature stablizes the return water in given threshold
The first water segregator (28) is transported to reuse to return water.The client is user's heating pipeline.First water segregator
(28) received return water (24~26 DEG C), is delivered to the condensation of the first heat pump (23), the second heat pump (24), third heat pump (25)
Device cold end is as intermediary's water.High temperature heat-exchanging water is 100 DEG C, and low-temperature heat exchange water is 38~42 DEG C, warm water in the output of medium temperature heat exchanging segment
It is 60 DEG C, return water is 25 DEG C；Heat-exchanging water after high-temperature heat transfer section exchanges heat is 60 DEG C, and condensed water is 5 DEG C, and the hot end of condenser is defeated
Water at low temperature is 36 DEG C out.Power plant is in limited production or inspection travel and condensed water yield is caused to decline, and reduces and condenses from power plant
The inflow of the high temperature heat-exchanging water of gas aqueduct 41 adjusts and reduces the power of lithium bromide heat pump (38), maintains lithium bromide heat pump
(38) 38 leaving water temperatures are 38~42 DEG C, and are mixed with 34~36 DEG C of the water exported by float glass waste-heat recovery device, are mixed
Mixing water temperature after conjunction reaches 36-38 DEG C, and mixing water enters heat pump 40, exchanges heat as 8~12 DEG C of water, and enter second point of water
Device (44) is separated by the second water segregator (44) and introduces the water of water inlet tube equivalent with condensed water in power plant and be transmitted back to power plant, water segregator
The remaining water separated is delivered to water tank (31)；When float glass factory overhauls, the cooling water yield of float glass factory is reduced, and is adjusted
Save and improve the power of lithium bromide heat pump (38), maintaining lithium bromide heat pump (38) leaving water temperature is 38~42 DEG C, and with by float glass process
34~36 DEG C of the water mixing of glass waste-heat recovery device output, mixed mixing water temperature reach 36-38 DEG C, mixing water into
Enter the 4th heat pump (40), exchanges heat as 8~12 DEG C of water, and enter the second water segregator (44), separated by water segregator and power plant condenses
Water introduces the water of water inlet tube equivalent and is transmitted back to power plant, and the remaining water that water segregator separates is delivered to water tank (31).
Power plant's cogeneration system described in above scheme, including steam exhaust device (1-6), steam turbine (1-7), steam
Heat pump unit (1-1), third lithium bromide heat pump unit (1-2), the second lithium bromide heat pump unit (1-3), the first lithium bromide heat pump
Unit (1-4), each lithium bromide heat pump unit include high temperature heat source, low-temperature heat source and middle temperature-heat-source, the steam exhaust device (1-6)
Heat exchanging pipe be connected to the evaporator of steam heat pump unit (1-1) and the low-temperature heat source of each lithium bromide heat pump unit parallel, it is described
The heat exchanging pipe of steam turbine (1-7) is connected to the high temperature heat source of each lithium bromide heat pump unit, the high-temperature water outlet mouth of condenser parallel
Connect the entrance connection of the middle temperature-heat-source of the first lithium bromide heat pump unit (1-4), the outlet of the first lithium bromide heat pump unit (1-4)
It is connected to the entrance of the middle temperature-heat-source of the second lithium bromide heat pump unit (1-3), the middle warm of the second lithium bromide heat pump unit (1-3)
The outlet in source is connected to the entrance of the middle temperature-heat-source of third lithium bromide heat pump unit (1-2).
The entrance connection inlet tube of steam exhaust device (1-6), outlet connection outlet pipe, inlet tube, outlet parallel arranged,
Inlet tube is connected to the outlet of the low-temperature heat source of the first lithium bromide heat pump unit (1-4), and outlet is connected to the first lithium bromide heat pump machine
The entrance parallel connection access of the entrance of the low-temperature heat source of group (1-4), the low-temperature heat source of the second lithium bromide heat pump unit (1-3) is described out
Mouth pipe, exports the access inlet tube in parallel, and the entrance parallel connection of the low-temperature heat source of third lithium bromide heat pump unit (1-2) accesses
The outlet exports the access inlet tube in parallel, the entrance connection outlet of the evaporator of steam heat pump unit (1-1)
The outlet of pipe, the evaporator of steam heat pump unit (1-1) connects inlet tube；The entrance of steam turbine (1-7) connects inlet tube,
Connection outlet pipe, inlet tube, outlet parallel arranged are exported, inlet tube is connected to the vapor outlet of steam water heat exchanger (1-5), outlet
Pipe is connected to the vapour entrance of steam water heat exchanger (1-5), the entrance of the high temperature heat source of the first lithium bromide heat pump unit (1-4) and connection
Enter the outlet, exports the access inlet tube in parallel, the entrance of the high temperature heat source of the second lithium bromide heat pump unit (1-3)
Parallel connection accesses the outlet, exports the access inlet tube in parallel, the high temperature heat source of third lithium bromide heat pump unit (1-2)
Entrance parallel connection access the outlet, export it is in parallel access the inlet tube, the evaporator of steam heat pump unit (1-1)
The outlet of entrance connection outlet pipe, the evaporator of steam heat pump unit (1-1) connects inlet tube.
The low temperature water inlet of the condenser of the steam heat pump unit (1-1) connects water inlet line (5 degree or so).
The low-temperature heat source of the third lithium bromide heat pump unit (1-2) is also connected with water inlet line (25 degree or so).
The execution method of above-mentioned power plant's cogeneration system: 5 DEG C or so of power plant water enters steam heat pump unit (1-1)
The cold water inlet of condenser, by steam exhaust device (1-6) generate steam exhaust water steam heat pump unit (1-1) evaporator end and steaming
5 DEG C or so of power plant water of the condenser end of vapour heat pump unit (1-1) exchanges heat, by the condenser end of steam heat pump unit (1-1)
The level-one heat-exchanging water of 30 DEG C or so of output, level-one heat-exchanging water enter the middle temperature-heat-source of the first lithium bromide heat pump unit (1-4) and make
It intakes for it；The steam exhaust water that steam exhaust device (1-6) generates enters the first lithium bromide heat pump unit (1-4) and is used as low-temperature heat source, steams
Steam turbine (1-7) generate 100 DEG C of high-temperature steam enter the first lithium bromide heat pump unit (1-4) be used as high temperature heat source, first
50 DEG C of water outlet or so of secondary heat exchange water of the middle temperature-heat-source of lithium bromide heat pump unit (1-4)；Steam exhaust device (1-6) generates weary
Carbonated drink enters the second lithium bromide heat pump unit (1-3) and is used as low-temperature heat source, and the high-temperature steam that steam turbine (1-7) generates enters the
Dibrominated lithium heat pump unit (1-3) be used as high temperature heat source, 70 DEG C of water outlet of the middle temperature-heat-source of the second lithium bromide heat pump unit (1-3)
The three-level heat-exchanging water of left and right；The steam exhaust water that steam exhaust device (1-6) generates enters third lithium bromide heat pump unit (1-2) as low temperature
Heat source, the high-temperature steam that steam turbine (1-7) generates enter third lithium bromide heat pump unit (1-2) as high temperature heat source, third
90 DEG C of water outlet or so of level Four heat-exchanging water of the middle temperature-heat-source of lithium bromide heat pump unit (1-2), level Four heat-exchanging water enter vapour-water and change
Hot device (1-5) and the high-temperature steam generated with steam turbine (1-7) heat exchange, 100 DEG C of heat is exported by steam water heat exchanger (1-5)
Water.
The supplying hot water and intermediary's water of power plant are all very clean and the present apparatus only uses low-temperature waste heat entrained by the two, so
The two can be used in mixed way, and because the low-temperature waste heat that a large amount of float glass workshops do not use be utilized to be greatly reduced
The usage amount of power plant's high-temperature water reduces power plant load and operating cost, mentions because float glass workshop cold drop water is cheap
High heating area.
The system devises the mutually redundant redundancy heating mode of various energy resources, in power plant or float glass factory because of certain original
When reducing because of the heat being capable of providing, it still is able to heat to user end；For example, power plant is limited the production or is tieed up by Environmental Factors
Limitation is repaired, condensed water yield reduces or float glass is because of yield or maintenance factor limitation, when low temperature exhaust heat yield reduces,
Entire coupling heating system still can provide stable heat load, improve heating system reliability of operation, ensure
The stability of this important people's livelihood engineering of northern cities and towns central heating.Specifically, limited in power plant or the production of float glass factory
System, designs following control model:
When power plant is in limited production or inspection travel, condensed water yield is reduced, and is reduced at this time from power plant's condensing gas aqueduct
41 inflows reduce the power of lithium bromide heat pump, by the internal regulation of lithium bromide heat pump system, improve lithium bromide heat pump 38
Leaving water temperature, 38 leaving water temperature of lithium bromide heat pump 38~42 DEG C water and 34~36 DEG C of water recycled by float glass waste heat mix
Reach 36-38 DEG C after conjunction, subsequently into the 4th heat pump 40, exchanges heat as 8~12 DEG C of water, into the second water segregator 44, this time-division
The water telegram in reply factory for equivalent of intaking out with condensed water in power plant irrigating gate 41, another part are sent into water tank 31.
When float glass factory overhauls, the cooling water yield of float glass factory is reduced, and is improved the power of lithium bromide heat pump, is passed through
The internal regulation of lithium bromide heat pump system, the leaving water temperature of lithium bromide heat pump 38, lithium bromide heat pump 38 are discharged and by float glasses
Waste heat reaches 27~28 DEG C after recycling 34~36 DEG C of water mixing, subsequently into the 4th heat pump 40, exchanges heat as 8~12 DEG C of water,
Into the second water segregator 44, the water telegram in reply factory for equivalent of intaking with condensed water in power plant irrigating gate 41 is separated at this time, and another part is sent into
Water tank 31.
Lithium bromide heat pump leaving water temperature is turned down, and widens the temperature difference, power plant cooling water is more efficiently utilized, improve for
The utilization rate of low-temperature waste heat is more suitable for power plant water and charges by flow by heat charging, power plant is needed to have related cooperation
Device.Solar energy equipment is mounted between the second water segregator 44 and the first water segregator 28 rather than in water collector 26 and water-water jet 42
Between, solar energy equipment specially carries out concurrent heating to return water, stablizes return water temperature, improves the stability of system.
Provided in this embodiment is that a kind of power plant's high-temperature steam with the low temperature exhaust heat coupling that float glass factory generates combines confession
Hot systems not only can satisfy heat demand but also reduce the use of power plant's high-temperature steam, heating cost is greatly reduced.
Float glass on-site builds heat exchange computer room, in winter by the industry in float glass plant area cooling-tower circulating water
Waste heat (38 DEG C) is cooled to 32 DEG C by heat exchanger, and the temperature of intermediary's water is promoted to 35 DEG C by 25 DEG C, drops temperature after heat exchange
As low as 31~33 DEG C, it is transmitted back to float glass heat exchange computer room, has thus obtained a large amount of low-temperature heat source.And utilize float glass
The low temperature exhaust heat of generation has following advantage:
Do not change HVAC system: being only transformed in cooling tower line segments, do not influence other systems.
Do not increase operation power expense: increasing heat exchanger computer room in on-site, heating season cooling tower is not run, and saves electricity
Take.
Do not increase and decrease counterpart device: not cancelling cooling tower, non-heating season can also continue to using not influencing other equipment.
Do not change operating temperature: temperature remains at 32 DEG C after heat exchanger heat exchange, does not influence requirement, does not increase energy
Consumption.
Using the above scheme, do not change the original service condition of factory, do not increase electric power consumption, do not influence product yield
In the case of, a large amount of waste heats can be recycled.The height that the technical solution of the present embodiment can provide a large amount of low-temperature heat source and power plant provides
Warm steam couples heat supply, under conditions of not influencing heating effect, greatly reduces the dosage of power plant's high-temperature steam, and sufficiently benefit
The low-temperature heat source generated with float glass factory, reduces heat cost, improves economic benefit.Therefore, the present invention is to realization
Target for energy-saving and emission-reduction has immeasurable effect.
In one embodiment, the arbitrary temperature in the application uses the left and right or about or equivalent non-essence of the temperature
It really indicates to the limit temperature, such as 45 DEG C or so or about 45 DEG C, then it represents that ± 1 degree of section of the temperature indicates exemplary
44~46 DEG C, actual temp numerical value then directly indicates its numerical value temperature, however in a kind of embodiment advanced optimized, for
The direct numerical value of temperature involved in the application indicates, is not understood as ± 1 degree of section of its temperature, such as exchanges heat as 45 degree out
Water, indicate it is exemplary 44~46 DEG C, in addition to have must be indicated by the numerical value except, for example, 100 DEG C of hot water.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not
It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it
It is interior.
Claims (1)
1. a kind of waste heat coupled system of the postposition gain of heat, which is characterized in that more than float glass waste-heat recovery device, solar energy
Heat recovery apparatus and lithium bromide heat pump heating device；
The float glass waste-heat recovery device, including float glass workshop (1), hot pond (22), cold drop (21), second circulation pump
(17), two-step evolution valve, cooling tower (6), heat pump, first water outlet of float glass workshop (1) are passed through hot pond by the first water pipe
(22), the entrance of cooling tower (6) is connected to upper hose, and the export pipeline of cooling tower (6) is passed through cold drop (21), and upper hose installs two-stage
Control valve and circulating pump, upper hose are passed through hot pond (22), circulating pump be arranged in upper hose in Re Chi (22) and two-step evolution valve
Between position at, be connected between the valve of two-step evolution valve by the upper hose, and be located at the part upper hose connected component water
Pipe, the branch water pipe is by piping connection heat pump, and the pipeline for being located at the part is equipped with the 7th control valve (11)；Heat pump includes
Three groups, the hot end input of the evaporator of each heat pump (23,24,25) is branch water pipe, and the cold end of the evaporator of heat pump exports connection
Cooling tower (6)；The hot end output of the condenser of heat pump (23,24,25) is water collector (26), the front tube of the water collector (26)
Road is installed by the 4th circulating pump (27)；
The solar energy waste-heat recovery device, including solar water heater (34), phase transition heat accumulation unit (33), water tank (31),
Temperature sensor (29), the 5th circulating pump (32), the 13rd control valve (34), the 14th control valve (35), the 15th control valve
(30), by piping connection between the loop exit of water tank (31) and solar water heater (36), and it is arranged the tenth in the line segments
Five control valves (30), the outlet pipe branch two-way parallel connection water pipe of solar water heater (36), all the way the 13rd control of setting on water pipe
Valve (34) processed, and connect with the 5th circulating pump (32), the 14th control valve (35), and and phase transformation are set on another way water pipe
Regenerative apparatus (33) connection connects the 5th circulating pump (32) by phase transition heat accumulation unit (33), and the 5th circulating pump (32) goes out
The loop head of mouth connection water tank (31).One of the shunt valve of the entrance and lithium bromide heat pump heating device of water tank (31)
Outlet connection；
The lithium bromide heat pump heating device includes lithium bromide heat pump (38), the 4th heat pump (40), water-water jet (42), water segregator
(44) and water tank (31)；The lithium bromide heat pump (38) includes high-temperature heat transfer section, low-temperature heat exchange section, medium temperature heat exchanging segment, institute
The water-water jet (42) stated includes first entrance, second entrance and outlet, and the condenser of the 4th heat pump (40) connects the second efferent duct
Road；The entrance of the high-temperature heat transfer section connects cogeneration system (41), and the outlet of high-temperature heat transfer section connects low-temperature heat exchange section
Entrance, low-temperature heat exchange section outlet connection water-water jet (42) first entrance, the outlet water-water jet of water collector (26)
(42) second entrance, the outlet of water-water jet (42) connect the hot end of the evaporator of the 4th heat pump (40), and the cold end of evaporator connects
It connects the second water segregator (44), second water segregator (44) installs two-way shunt valve (43), and one of shunt valve (43) goes out
Mouth connection power plant's condensing gas return pipe (45), the water storage of another outlet connection solar energy waste-heat recovery device of shunt valve (43)
The entrance of tank (31), and the 15th control valve (30) is installed in the pipeline of connection, the solar energy waste-heat recovery device includes too
Positive energy water heater, phase transition heat accumulation unit (33), water tank (31), temperature sensor (29), the 5th circulating pump (32), the 13rd control
Valve (34) processed, the 14th control valve (35), the 16th control valve (37), temperature sensor (29) are mounted in water tank (31),
By piping connection between the outlet and solar water heater of water tank (31), and the 16th control valve (37) is set in the line segments,
The outlet pipe branch two-way parallel connection water pipe of solar water heater, all the way on water pipe be arranged the 13rd control valve (34), and with it is described
5th circulating pump (32) connects, and the 14th control valve (35) is arranged on another way water pipe, and connect with phase transition heat accumulation unit (33),
The 5th circulating pump (32) is connected by phase transition heat accumulation unit (33), outlet connection water tank (31) of the 5th circulating pump (32)
Loop head, the medium temperature heat exchanging segment of lithium bromide heat pump (38) connect the first output pipe, and the condenser end of the 4th heat pump (40) connects
Connect the second output pipe.
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| 李岩: "基于吸收式换热的热电联产集中供热系统配置与运行研究", 《中国博士学位论文全文数据库.工程科技Ⅱ辑》 * |
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Application publication date: 20190419 |