CN109595667A - Mixed point of solar energy concurrent heating lithium bromide heat pump heating device - Google Patents
Mixed point of solar energy concurrent heating lithium bromide heat pump heating device Download PDFInfo
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- CN109595667A CN109595667A CN201811565082.9A CN201811565082A CN109595667A CN 109595667 A CN109595667 A CN 109595667A CN 201811565082 A CN201811565082 A CN 201811565082A CN 109595667 A CN109595667 A CN 109595667A
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- pipe
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 158
- 238000010438 heat treatment Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 371
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 abstract description 30
- 238000003860 storage Methods 0.000 abstract description 15
- 230000004087 circulation Effects 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000005329 float glass Substances 0.000 description 32
- 238000001816 cooling Methods 0.000 description 20
- 238000011084 recovery Methods 0.000 description 16
- 238000009825 accumulation Methods 0.000 description 11
- 230000007704 transition Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 206010021036 Hyponatraemia Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- 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
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- 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
-
- 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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/32—Heat sources or energy sources involving multiple heat sources in combination or as alternative heat sources
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Mixed point of solar energy concurrent heating lithium bromide heat pump heating device, belong to the recycling of heat supply waste heat and heat distribution field, in order to solve the problems, such as to heat reasonable distribution between storage water, user terminal and power plant water, including lithium bromide heat pump, the 4th heat pump, water-water jet, the second water segregator and return water heat patching device；The lithium bromide heat pump includes high-temperature heat transfer section, low-temperature heat exchange section, medium temperature heat exchanging segment, the water-water jet includes first entrance, second entrance and outlet, the return water heat patching device includes low-temperature heat exchange water pipe, high temperature heat exchanging water pipe and the first temperature sensor, effect water completes heat exchange by lithium bromide heat pump, the 4th heat pump, and the water at low temperature after heat exchange is returned into power plant and the first water segregator respectively, so that the water at low temperature after heat exchange continues to participate in circulation.
Description
Technical field
The invention belongs to the recycling of heat supply waste heat and heat distribution field, are related to a kind of mixed point of solar energy concurrent heating lithium bromide heat
Pump heating apparatus.
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 the problems, such as to heat reasonable distribution between storage water, user terminal and power plant water, for reducing power plant's height
Warm steam uses, and realizes high temperature heat and low-temperature heat quantity classification output, saves water and makes full use of to it, the present invention proposes
Following technical solution:
A kind of mixed point of solar energy concurrent heating lithium bromide heat pump heating device, including lithium bromide heat pump, the 4th heat pump, mixed water
Device, the second water segregator and return water heat patching device；The lithium bromide heat pump includes that high-temperature heat transfer section, low-temperature heat exchange section, medium temperature are changed
Hot arc, the water-water jet include first entrance, second entrance and outlet, and the return water heat patching device includes low-temperature heat exchange water
Pipe, high temperature heat exchanging water pipe and the first temperature sensor；The condenser of 4th heat pump connects the second output pipe；The high temperature changes
The entrance of hot arc connects cogeneration system, and the outlet of high-temperature heat transfer section connects the entrance of low-temperature heat exchange section, low-temperature heat exchange section
The first entrance of outlet connection water-water jet, the second entrance of the outlet water-water jet of water tank, the outlet connection the of water-water jet
The hot end of the evaporator of four heat pumps, the cold end of evaporator connect the second water segregator, and second water segregator installs two-way point
Water valve, the one outlet of shunt valve connect power plant's condensing gas return pipe, another outlet connection return water heat patching device of shunt valve
Low-temperature heat exchange water pipe entrance, the outlet of low-temperature heat exchange water pipe connects the first water segregator, the high temperature of the return water heat patching device
Heat exchanging water pipe is connected to water tank；The medium temperature heat exchanging segment of lithium bromide heat pump connects the first output pipe, the condenser of the 4th heat pump
The second output pipe of end connection.
Further, the 6th circulation is installed in the pipeline that the outlet of the shunt valve is connect with low-temperature heat exchange pipe inlet
Pump.
Further, the water inlet pipe of the high temperature heat exchanging water pipe of return water heat patching device installs the 7th circulating pump, outlet pipe installation
16th control valve, and the heat exchange cycle outlet of the water inlet pipe connection water tank of high temperature heat exchanging water pipe, high temperature heat exchanging water pipe's goes out
The heat exchange cycle entrance of water pipe connection water tank.
Further, low-temperature heat exchange water pipe connects the first water segregator, and, the first water segregator is connected to the cold of the condenser of heat pump
End.
Further, first output pipe, the second output pipe connect user terminal pipeline, and are heat exchange thermal energy classification
Output.
Further, the user terminal pipeline is heat supplying pipeline.
Further, the cogeneration system its be connected to power plant, vapor (steam) temperature therein is about 100 DEG C, the water storage
The temperature of the water exported in tank is about 45 DEG C, and the input temp of the high-temperature heat transfer section of lithium bromide heat pump is about 100 DEG C, output temperature
About 65 DEG C, the input temp of low-temperature heat exchange section is about 65 DEG C, and output temperature is about 45 DEG C, and the output temperature of medium temperature heat exchanging segment is about
It is 60 DEG C；The output temperature that water-water jet mixes water is 45 DEG C, and the hot end input of evaporator with heat pump is 45 DEG C, and cold end output is 15 DEG C,
The temperature of the hot end output of condenser is about 45 DEG C, and the leaving water temperature of low-temperature heat exchange water pipe is 25 DEG C.
The utility model has the advantages that lithium bromide heat pump heating device is exchanged heat between storage water, user terminal and power plant water, it will be high
Warm power plant water and the heat for storing water supply user terminal, i.e., complete heat exchange by lithium bromide heat pump, the 4th heat pump, and will be after heat exchange
Water at low temperature return to power plant and the first water segregator respectively so that heat exchange after water at low temperature continue to participate in circulation, not only complete height
Water, is also recycled by the output together of warm amount and low-temperature heat quantity, 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. the 16th control valve, 30. the 7th circulating pumps, 31. return water heat patching devices, 32. first temperature sensors, 33.
Two temperature sensors, 34. the 5th circulating pumps, 35. phase transition heat accumulation units, 36. the 13rd control valves, 37. the 14th control valves,
38. solar water heater, 39. the 15th control valves, 40. the 17th control valves, 41. water tanks, 42. lithium bromide heat pumps, 43. use
Family end pipe road, 44. the 4th heat pumps, 45. cogeneration systems, 46. water-water jets, 47. shunt valves, 48. second water segregators, 49. electricity
Factory's condensing gas return pipe, 50. 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 float glass waste-heat recovery device, solar energy
Waste-heat recovery 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), the 13rd circulating pump (18), two-step evolution valve, cooling tower (6), heat pump, first water outlet of float glass workshop (1)
Mouth is passed through hot pond (22) by the first water pipe, and the entrance of cooling tower (6) is connected to upper hose, and the export pipeline of cooling tower (6) is passed through cold
Pond (21), upper hose installation two-step evolution valve and circulating pump, upper hose are passed through hot pond (22), and the heat of upper hose is arranged in circulating pump
It at position between pond (22) and 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 by piping connection heat pump, and be located at the part pipeline be equipped with the 7th
Control valve (11).
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
Water collector (26), the front end pipeline of the water collector (26) install the 4th circulating pump (27), before the 4th circulating pump (27)
It is held to be connected to the entrance of the water tank of solar energy waste-heat recovery device (41), the cold end of the condenser of heat pump (23,24,25) is defeated
Enter for the first water segregator (28), the first water segregator (28) connects the low of the return water heat patching device (31) of lithium bromide heat pump heating device
The outlet of warm heat exchanging water pipe forms recirculated water and utilizes to supply intermediary's water to float glass waste-heat recovery device by it.
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), the 4th circulating pump front end connect the water tank (41) of solar energy waste-heat recovery device.First heat pump (23),
Second heat pump (24), third heat pump (25) condenser cold end input 24~26 DEG C of intermediary's water by the first water segregator (28)
Supply, first water segregator (28) connect going out for the low-temperature heat exchange water pipe of the return water heat patching device of lithium bromide heat pump heating device
Mouthful, to supply intermediary's water to float glass waste-heat recovery device by it, forms recirculated water and utilize, by the low temperature of return water heat patching device
The heat-exchanging water of heat exchanging water pipe's output is as 24~26 DEG C of intermediary's water, to form intermediary's water quilt of float glass waste heat recycling
Solar energy waste-heat recovery device reheats, and in lithium bromide heat pump heating device by the partial heat and the high-temperature-hot-water of power plant one
And exchange heat and give user's pipeline, using float glass waste heat and solar energy waste heat as such as heating source, and will there is phase after heat exchange
It is exported to cold end of the intermediary's water of low temperature for the condenser end of heat pump unit is stablized, circulation participates in heat exchange, to water and heat
Play the role of saving.
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 (38), phase transition heat accumulation unit (35), water tank
(41), second temperature sensor (33), the 5th circulating pump (34), the 13rd control valve (36), the 14th control valve (37), the tenth
Five control valves (39), by piping connection between the loop exit and solar water heater (38) of water tank (41), and in the line segments
15th control valve (39) is set, and the outlet pipe branch two-way parallel connection water pipe of solar water heater (38) is arranged on water pipe all the way
13rd control valve (36), and connect with the 5th circulating pump (34), the 14th control valve (37) is set on another way water pipe,
And connect with phase transition heat accumulation unit (35), the 5th circulating pump (34), the 5th circulating pump are connected by phase transition heat accumulation unit (35)
(34) loop head of outlet connection water tank (41).The entrance of water tank (41) is connect with water collector (26), the water collector
(26) be float glass waste-heat recovery device water collector (26), the water collector (26) and float glass waste heat recycling fill
The high temperature output end of the condenser for the three groups of heat pumps set connects.
The second entrance of the water-water jet (46) of the outlet lithium bromide heat pump heating device of water tank (41), connecting pipeline
On be provided with the 17th control valve (40), for control solar energy waste-heat recovery device to lithium bromide heat pump heating unit feeding store up
The water and speed of water.
It is connected to power plant to cogeneration system (45), and vapor (steam) temperature therein is about 100 DEG C, in the water tank (41)
The temperature of the water of output is about 45 DEG C, and second temperature sensor (33) is mounted in water tank (41) to measure water storage temperature.
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 (39) is opened, closes the 14th control valve (37), opens the 13rd control valve (36),
Extract the water in water tank (41) by the 5th circulating pump (34) by the loop exit of water tank (41), and by solar water
Device (38) heats the water in water tank (41), and via the pipeline for being equipped with the 13rd control valve (36), by the water after heating
Water tank (41) directly are extracted to, by the recirculated water inlet return of water tank (41) to water tank (41)；Recycle above-mentioned water storage
Heat cycles, until mode changes or the measured value of the second temperature sensor (33) in water tank (41) 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 (39) processed closes the 13rd control valve (36), opens the 14th control valve (37), starts phase transition heat accumulation unit (35), makes to store up
Water in water pot (41) is extracted by the loop exit of water tank (41) by the 5th circulating pump (34), and by solar water heater
(38) water in water tank (41) is heated, and via the pipeline for being equipped with phase transition heat accumulation unit (35), by phase transition heat accumulation unit
(35) 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 second temperature
When sensor (33) measures water temperature in half an hour and is consistently less than 40 DEG C；The 13rd control valve (36) is closed, the 14th control is opened
Valve (37) processed starts phase transition heat accumulation unit (35), makes the water in water tank (41) by the loop exit of water tank (41) by the 5th
Circulating pump (34) extracts, and is heated by solar water heater (38) to the water in water tank (41), and via being equipped with phase transformation
The pipeline of regenerative apparatus (35) releases its thermal energy stored in accumulation of heat mode by phase transition heat accumulation unit (35), improves water outlet
Temperature makes leaving water temperature be maintained at set temperature；Above-mentioned water storage heat cycles are recycled, until mode changes.
Under the Three models, entrance connection water collector (26) of the water tank (41) is to supply water tank (41)
Water.The water-water jet (46) of the outlet lithium bromide heat pump (42) of the water tank (41), and storage water is conveyed to it, store water
Temperature be 45 DEG C.
Lithium bromide heat pump heating device, including lithium bromide heat pump (42), the 4th heat pump (44), water-water jet (46), second point
Hydrophone (48) and return water heat patching device (31)；The lithium bromide heat pump (42) includes high-temperature heat transfer section, low-temperature heat exchange section, medium temperature
Heat exchanging segment, the water-water jet (46) include first entrance, second entrance and outlet, and the return water heat patching device (31) includes low
Warm heat exchanging water pipe, high temperature heat exchanging water pipe and the first temperature sensor (32)；The second output of condenser connection of 4th heat pump (44)
Pipeline；The entrance of the high-temperature heat transfer section connects cogeneration system (45), and the outlet of high-temperature heat transfer section connects low-temperature heat exchange
The entrance of section, the first entrance of outlet connection water-water jet (46) of low-temperature heat exchange section, the outlet water-water jet of water tank (41)
(46) second entrance, the outlet of water-water jet (46) connect the hot end of the evaporator of the 4th heat pump (44), and the cold end of evaporator connects
It connects the second water segregator (48), second water segregator (48) installs two-way shunt valve (47), and one of shunt valve (47) goes out
Low temperature of mouth connection power plant's condensing gas return pipe (45), another outlet connection return water heat patching device (31) of shunt valve (47) changes
The outlet of the entrance of hot-water line, low-temperature heat exchange water pipe connects the first water segregator (28), the high temperature of the return water heat patching device (31)
Heat exchanging water pipe is connected to water tank (41)；The medium temperature heat exchanging segment of lithium bromide heat pump (42) connects the first output pipe, the 4th heat pump
(44) condenser end connects the second output pipe.
The 6th circulating pump is installed in the pipeline that the outlet of the shunt valve (47) is connect with low-temperature heat exchange pipe inlet
(50).The water inlet pipe of the high temperature heat exchanging water pipe of return water heat patching device (31) installs the 7th circulating pump (30), outlet pipe installation the
16 control valves (29), and the heat exchange cycle outlet of water inlet pipe connection water tank (41) of high temperature heat exchanging water pipe, high temperature heat-exchanging water
The heat exchange cycle entrance of outlet pipe connection water tank (41) of pipe.Low-temperature heat exchange water pipe outlet connection the first water segregator (28) and
First water segregator (28) is connected to the cold end of the condenser of heat pump (23,24,25).First output pipe, the second output
Piping connection user terminal pipeline, and be heat exchange thermal energy classification output.The user terminal pipeline is heat supplying pipeline.The thermoelectricity connection
Producing device (45), it is connected to power plant, and vapor (steam) temperature therein is about 100 DEG C, the temperature of the water exported in the water tank (41)
About 45 DEG C, the input temp of the high-temperature heat transfer section of lithium bromide heat pump (42) is about 100 DEG C, and output temperature is about 65 DEG C, low temperature
The input temp of heat exchanging segment is about 65 DEG C, and output temperature is about 45 DEG C, and the output temperature of medium temperature heat exchanging segment is about 60 DEG C；Water-water jet
(46) output temperature for mixing water is 45 DEG C, and the hot end input of evaporator with heat pump is 45 DEG C, and cold end output is 15 DEG C, the heat of condenser
The temperature of end output is about 45 DEG C, and the leaving water temperature of low-temperature heat exchange water pipe is 25 DEG C.By above-mentioned, lithium bromide heat pump heating device pair
It is exchanged heat between storage water, user terminal and power plant water, the heat of high temperature power plant water and storage water is supplied into user terminal, i.e., it is logical
Lithium bromide heat pump, the completion heat exchange of the 4th heat pump are crossed, and the water at low temperature after heat exchange is returned into power plant and the first water segregator respectively, so that
Water at low temperature after heat exchange continues to participate in circulation, not only completes the output together of high temperature heat and low-temperature heat quantity, is also followed water
Ring utilizes, and realizes the saving at water source and heat and sufficiently uses.And in order to which water at low temperature is directly applied for lithium bromide heat
Pump uses, and increases solar energy waste-heat recovery device between float glass waste-heat recovery device and lithium bromide heat pump heating device,
Partial heat is supplemented with clean energy resource, also, in the recycling of intermediary's water, also adds return water heat patching device, so that should
The water at low temperature that water source is formed as intermediary's water by lithium bromide heat pump heating device can be recycled directly by float glass waste heat
Device uses, and makes preposition heating heat exchange, same to be exchanged heat using cleaning solar energy source with it, so that solar energy waste-heat recovery device
Become the promotion heat patching device that intermediary's water is recycled, is required to meet circulation.
The execution method of above-mentioned apparatus is as follows, and power plant condenser introduces the high temperature heat exchange of pipe connection lithium bromide heat pump (42)
Section, and high temperature heat-exchanging water (100 DEG C) are conveyed to it, the entrance of the outlet low-temperature heat exchange section of high-temperature heat transfer section, and to low temperature
Heat exchanging segment conveys the low-temperature heat exchange water (65 DEG C) after high temperature heat exchange, and the first of outlet connection water-water jet (46) of low-temperature heat exchange section enters
Mouthful and to water-water jet (46) transporting low temperature heat-exchanging water (45 DEG C), the second entrance of the outlet water-water jet (46) of water tank (41)
And storage water (45 DEG C) is conveyed to water-water jet (46), low-temperature heat exchange water and storage water are mixed to form mixing water in water-water jet (46)
(45 DEG C), the outlet of water-water jet (46) connect the hot end of the evaporator of the 4th heat pump (44) and convey to it mixing water (45 DEG C),
(15 DEG C) divide water by the second water segregator (48) after mixing water (45 DEG C) is exchanged heat by the 4th heat pump (44), and the second water segregator (48) separates
The water of the equivalent inputted with cogeneration system (45), and power plant is transmitted back to by power plant's condensing gas return pipe (49), remaining water
Return water heat patching device (31) are delivered to as return water, the first temperature sensor of return water heat patching device (31) by low-temperature heat exchange water pipe
(32) to the temperature detection of return water, temperature is detected lower than given threshold (24 DEG C) and then enables the water storage in water tank (41), returning
In water heat patching device (31), is exchanged heat by the return water in the water storage and low-temperature heat exchange water pipe in high temperature heat exchanging water pipe, improve return water
Temperature can simultaneously be stablized at given threshold (24 DEG C).
The medium temperature heat exchanging segment of lithium bromide heat pump (42) connects the first output pipe (45 DEG C 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 (44) to condenser end
It exchanges heat (45 DEG C of output temperature, 25 DEG C of input temp), for heat exchange thermal energy classification output.Temperature stablize given threshold return water by
Low-temperature heat exchange water pipe is transported to the first water segregator 28 to reuse to return water.The client is user's heating pipeline.The
One water segregator (28) received return water (25 DEG C) is delivered to the first heat pump (23), the second heat pump (24), third heat pump (25)
Condenser cold end is as intermediary's water.High temperature heat-exchanging water is 100 DEG C, and low-temperature heat exchange water is 45 DEG C, warm water in the output of medium temperature heat exchanging segment
It is 65 DEG C, water at low temperature is 45 DEG C；Heat-exchanging water after high-temperature heat transfer section exchanges heat is 65 DEG C, and warm water is in the output of low-temperature heat exchange water pipe
45 DEG C, the heat-exchanging water after high temperature heat exchanging water pipe heat exchange is 28~32 DEG C, and condensed water is 5 DEG C, and the hot end of condenser exports low temperature
Water is 34~36 DEG C.
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 high-temperature steam for introducing 100 DEG C or so of power plant from cogeneration system 45 passes through lithium bromide heat pump 42 and end heat supply
Pipeline 43 exchanges heat (temperature first drops to 65 DEG C or so, then drops to 45 DEG C or so), and water outlet is recycled in water-water jet 46 and solar energy waste heat
The water outlet of device mixes water, and temperature is made to reach 45 DEG C or so, and the water after mixed water enters the 4th heat pump 44 and changes with end heat supply pipeline 43
Heat, 15 DEG C of water passes through the second water segregator 48 after heat exchange, and the second water segregator 48 separates the water with cogeneration system input equivalent
By the defeated telegram in reply factory of power plant's condensing gas return pipe 49, other transfer to water segregator 28.End heat supply pipeline output water temperature is 34~36
DEG C, return water water temperature is at 44~46 DEG C.When solar energy waste-heat recovery device is in glow mode, second temperature sensor 33 is measured
Water temperature is in lower temperature in certain time, and lithium bromide heat pump is made to increase inflow, improves lithium bromide heat pump final stage leaving water temperature
To 60 DEG C or so, temperature after mixed water is made to be still maintained at 45 DEG C or so.Because the supplying hot water and intermediary's recirculated 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 is utilized a large amount of
Low-temperature waste heat that float glass workshop does not use to be greatly reduced the usage amount of power plant's high-temperature water reduce power plant load and
Operating cost improves heating area.The system is particularly suitable in power plant's underrun, use when condensed water underproduces.
It during heating in winter, runs in the manner described above, during non-heating, closes the 12nd control valve 16 and the 7th
Control valve 11,37~39 DEG C of water in the hot pond 22 of float glass are cooled to 31~33 DEG C in cooling tower 6 and are re-fed into cold drop 21
In and cooling tower can pass through switch third control valve 7, the 4th control valve 8, the 5th control valve 9, the 6th control valve the 10, the 8th control
Valve 12 processed, the 9th control valve 13, the tenth control valve 14, the 11st control valve 15 are controlled to adjust.
It is expensive in condensed water in power plant in price, and float glass water only uses power plant water work using cheap
For the high temperature heat source of lithium bromide heat pump, intermediary's water of float glass waste heat is obtained as low-temperature heat source.Electricity is substantially reduced
The usage amount of factory's water, improves economic benefit.Power plant water and the intermediary's water recycled from float glass waste heat are unmixed, power plant
Water cleaning, intermediary's water because pipeline is too long may contain impurity, but still be it is clean, power plant water may be polluted, do not mix water
Usage mode can ensure the reliability of system.System integrally uses three sets of heating plants, and the reliable of heat supply greatly improved
Property, ensure that this important livelihood issues is stablized in heating.
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 (7)
1. a kind of mixed point of solar energy concurrent heating lithium bromide heat pump heating device, which is characterized in that including lithium bromide heat pump (42), the
Four heat pumps (44), water-water jet (46), the second water segregator (48) and return water heat patching device (31)；Lithium bromide heat pump (42) packet
High-temperature heat transfer section, low-temperature heat exchange section, medium temperature heat exchanging segment are included, the water-water jet (46) includes first entrance, second entrance and goes out
Mouthful, the return water heat patching device (31) includes low-temperature heat exchange water pipe, high temperature heat exchanging water pipe and the first temperature sensor (32)；4th
The condenser of heat pump (44) connects the second output pipe；The entrance of the high-temperature heat transfer section connects cogeneration system (45),
The entrance of the outlet connection low-temperature heat exchange section of high-temperature heat transfer section, the first of outlet connection water-water jet (46) of low-temperature heat exchange section enter
Mouthful, the outlet of the second entrance of the outlet water-water jet (46) of water tank (41), water-water jet (46) connects the 4th heat pump (44)
Evaporator hot end, the cold end of evaporator connects the second water segregator (48), and the second water segregator (48) installation is two-way
The one outlet of shunt valve (47), shunt valve (47) connects power plant's condensing gas return pipe (45), and another of shunt valve (47) goes out
The outlet of the entrance of the low-temperature heat exchange water pipe of mouth connection return water heat patching device (31), low-temperature heat exchange water pipe connects the first water segregator
(28), the high temperature heat exchanging water pipe of the return water heat patching device (31) is connected to water tank (41)；The medium temperature of lithium bromide heat pump (42)
Heat exchanging segment connects the first output pipe, and the condenser end of the 4th heat pump (44) connects the second output pipe.
2. mixed point of solar energy concurrent heating lithium bromide heat pump heating device as described in claim 1, which is characterized in that point
6th circulating pump (50) is installed in the pipeline that the outlet of water valve (47) is connect with low-temperature heat exchange pipe inlet.
3. mixed point of solar energy concurrent heating lithium bromide heat pump heating device as described in claim 1, which is characterized in that return water concurrent heating
The water inlet pipe of the high temperature heat exchanging water pipe of device (31) installs the 7th circulating pump (30), and outlet pipe installs the 16th control valve
(29), and the heat exchange cycle of the water inlet pipe of high temperature heat exchanging water pipe connection water tank (41) exports, the outlet pipe of high temperature heat exchanging water pipe
Connect the heat exchange cycle entrance of water tank (41).
4. mixed point of solar energy concurrent heating lithium bromide heat pump heating device as described in claim 1, which is characterized in that low-temperature heat exchange
Water pipe connects the first water segregator (28), and, the first water segregator (28) is connected to the cold end of the condenser of heat pump (23,24,25).
5. as described in claim 1 mixed point of solar energy concurrent heating lithium bromide heat pump heating device, which is characterized in that described the
One output pipe, the second output pipe connect user terminal pipeline, and are heat exchange thermal energy classification output.
6. mixed point of solar energy concurrent heating lithium bromide heat pump heating device as claimed in claim 5, which is characterized in that the use
Family end pipe road is heat supplying pipeline.
7. mixed point of solar energy concurrent heating lithium bromide heat pump heating device as described in claim 1, which is characterized in that the thermoelectricity
It is connected to power plant to combined production device, and vapor (steam) temperature therein is about 100 DEG C, and the temperature of the water exported in the water tank (41) is about
It is 45 DEG C, the input temp of the high-temperature heat transfer section of lithium bromide heat pump (42) is about 100 DEG C, and output temperature is about 65 DEG C, and low temperature changes
The input temp of hot arc is about 65 DEG C, and output temperature is about 45 DEG C, and the output temperature of medium temperature heat exchanging segment is about 60 DEG C；Water-water jet
(46) output temperature for mixing water is 45 DEG C, and the hot end input of evaporator with heat pump is 45 DEG C, and cold end output is 15 DEG C, the heat of condenser
The temperature of end output is about 45 DEG C, and the leaving water temperature of low-temperature heat exchange water pipe is 25 DEG C.
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| CN206959384U (en) * | 2017-05-15 | 2018-02-02 | 华电电力科学研究院 | A kind of centralized cold and heat source system of energy conservation transformation of power plants |
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Application publication date: 20190409 |