CN105318603B - Commercial style open and close type heat source tower heat pump complexes - Google Patents
Commercial style open and close type heat source tower heat pump complexes Download PDFInfo
- Publication number
- CN105318603B CN105318603B CN201410247631.3A CN201410247631A CN105318603B CN 105318603 B CN105318603 B CN 105318603B CN 201410247631 A CN201410247631 A CN 201410247631A CN 105318603 B CN105318603 B CN 105318603B
- Authority
- CN
- China
- Prior art keywords
- heat
- cooling
- pipeline
- heat source
- valve
- Prior art date
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- 238000001816 cooling Methods 0.000 claims abstract description 89
- 239000011901 water Substances 0.000 claims abstract description 59
- 239000007788 liquids Substances 0.000 claims abstract description 49
- 239000003570 air Substances 0.000 claims abstract description 46
- 238000010257 thawing Methods 0.000 claims abstract description 44
- 238000009825 accumulation Methods 0.000 claims abstract description 35
- 238000001704 evaporation Methods 0.000 claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 230000004087 circulation Effects 0.000 claims description 26
- 239000000565 sealants Substances 0.000 claims description 20
- 239000000498 cooling water Substances 0.000 claims description 18
- 239000000872 buffers Substances 0.000 claims description 11
- 238000004781 supercooling Methods 0.000 claims description 10
- 239000011941 photocatalysts Substances 0.000 claims description 9
- 230000003139 buffering Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 280000755067 Windward companies 0.000 claims description 3
- 241000731961 Juncaceae Species 0.000 claims 1
- 239000000203 mixtures Substances 0.000 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
Description
Technical field
The commercial style open and close type heat source tower heat pump complexes that type of the present invention is related to be related to China's new energy source energy-saving technology, Environmental protection and the big field of resource two.
New energy source energy-saving technology：By summer efficient open type crossflow cooling tower and winter high-performance enclosed finned coil heat source tower It is combined into one, retains respective performance advantage.The psychrometric difference that enclosed difunctional heat source tower summer is generated using solar energy conversion, External water body liquid film evaporation cooler improves cryocooled efficiency；It is wet that winter utilizes medium module group built in finned coil to absorb Harl haze air can be as the heat source of heat pump, and economic and environment-friendly substitution fossil energy, winter comparison conventional air source heat pump utilizes empty Clammy heat source ability in gas improves 90% or more, the external cooling refrigeration of water body liquid film evaporation cooler comparison hot wind of summer system 50% or more energy conservation.The present apparatus is integrated with supercooling accumulation of heat defrosting system, Winter heat supply load system, cooling in summer load system phase The optimal combination of mutual correlation realizes the extensive use of large commercial air-conditioning system a century single cooler upgrading heating pump, can be in air - 15 DEG C of temperature or less areas are all efficiently applied and are reduced by fossil energy for thermogenetic carbon emission, can be in air themperature- It efficiently applies and reduces fossil energy for thermogenetic carbon emission in 15 DEG C or more areas 30-50%.
Environmental protection and resource：Winter is wet in the difunctional heat source tower absorption haze of northern China haze weather application open and close type Cooling and Heat Source purifies haze air as heat pump low level heat source source while taking heat.
Background technique
As the improvement of people's living standards, requirement of the people to architectural environment is also higher and higher.Various refrigeration air-conditioners are logical Wind and heat supply process are increasingly promoted the use of under construction, in current energy-saving low-carbon, are reduced haze weather, are created ecological city Under the big form that city, green ecological district, green low-carbon are built, low-carbon environment-friendly section of the heat source tower as cold (heat) the source source of heat pump Energy heat-supplying mode, will play key player in the development of people's production and living.However it is aobvious in the investigation of longtime running project Show：
Conventional open type heat source tower（Similar open cooling tower constructs）, directly formed in filler surface in the tradition that summer retains The cooling high efficiency of liquid film evaporation.However low temperature position heat directly is absorbed in filler surface liquid film using external circulation solution in winter Source, it is also more serious than Pollution of Boiler that matter melts process water capacity drift pollution corrosive environment metal.It is absorbed in air using frozen soln Clammy heat source, solution analyses wet dilution discharge and causes certain water pollution, while solution dilution causes in solution concentration freezing point It rises, heat pump unit frost heave damages phenomenon frequent occurrence, and the loss of solution year accounts for 20% or more of Winter heat supply operating cost.
There is also deficiencies for novel closed type heat source tower complexes, utilize the low close economic temperature difference finned tube exterior heat in broadband in winter For device by the circulating heat transfer to the clammy air of haze, obtaining has the low level heat source of catharsis as heat atmospheric environment The heat source of pump is economic and environment-friendly, the pollution without external circulation solution to environment, the highly dense fin heat of the frosting probability temperature difference bigger than tradition Pump has dropped 90% or more using the energy in air.However in cooling in summer cooling procedure, need to spraying and sprinkling evaporation cooling water The meticulous maintenance of the water process of stringent scale inhibition algae removal is carried out, once operation maintenance management is out of control, is formed in scale+algae+air Jelly covering fin pipe surface seriously affects heat-transfer effect and reaches 20% or so, lowers cryocooled performance.Air negative temperature Period sprays frost prevention using outer spray Polymer Solution, and dilute solution reverse osmosis concentration increases the complexity of system.
It thus solves to improve heat source tower heat pump technology, becomes the pass for promoting and applying heat source tower heat pump technical substitution fossil energy Key.The high efficiency that technical requirements heat source tower summer should have external filler spraying and sprinkling evaporation cooling, winter should have built-in circulation molten Liquid by the economic different transfer of heat in broadband and air circulation, then reduce obtained while frosting probability improves efficiency it is net to atmospheric environment The economy of change effect, the optimal relevance combination between equipment are directly related to the economic security stability of heat source tower heat pump.
Inventing type content
Type commercial style open and close type heat source tower heat pump complexes purpose of the present invention.Summer is directly circulating water body to be utilized to exist Filler surface forms liquid film evaporation, improves circulating water body cooling high efficiency and resistant to pollution feature；Winter is to utilize broadband Economic temperature difference finned tube exterior heat device obtains the low level heat source for having catharsis to atmospheric environment by the circulating heat transfer of air Heat source as heat pump.The present apparatus is integrated with supercooling accumulation of heat defrosting system, Winter heat supply load system, cooling in summer load system Be mutually related optimal combination, realizes the extensive use of large commercial air-conditioning system a century single cooler upgrading heating pump, can be in sky All efficiently substitution fossil energy supplies thermogenetic carbon emission in temperature degree -15 or less area, can be in air themperature -15 with Shangdi Area 30-50% efficiently substitutes fossil energy for thermogenetic carbon emission.
It is compared with conventional open type heat source tower, winter absorption low level heat source, external circulation solution liquid-can be efficiently solved The gas exchange matter process of melting causes solution water capacity to be drifted about, and pollutes environmental corrosion metal serious problems, and solution also than Pollution of Boiler Year loss accounts for 20% or more of Winter heat supply operating cost and drops below 2%, reaches built-in circulation solution and is not taken heat setting to bear water Dilution, solution concentration stablize the safety for having ensured heat pump unit.
It is compared with novel closed type heat source tower, recirculated cooling water of the summer without water process can be efficiently solved in finned tube table Face spraying and sprinkling evaporation is cooling, and jelly covering fin pipe surface seriously affects heat-transfer effect and reaches in formation scale+algae+air 20% or so, cryocooled performance issue is reduced, the simple interests supercooling accumulation of heat defrosting system of accessory device system does not have external molten Liquid participates in system operation.
It is of the invention economical, reasonably run, can thoroughly solve that current China's heat source tower pump open cooling tower is fatal to be lacked Performance issue caused by point and closed type heat source tower finned coil vulnerable to pollution influence.Commercial style open and close type heat source tower heat pump is at suit Innovative technology is set, mating safe and reliable economy can be provided for the association of heat source tower heat pump technology maturation affiliated facility and protects Barrier.
The technical solution of type of the present invention is：By being opened and closed tower enclosed structure 1, pneumatic heat exchange cycle system 2, winter closed type hot Accumulation of heat defrosting system 5, Winter heat supply load system 6, cooling in summer load system is subcooled in source system 3, summer open cooling system 4 7 composition of system.
The tower enclosed structure 1 of opening and closing includes tower body sub-truss, cooling water water-collecting tray, tower body column truss, tower body Upper parallel truss, aerophor truss, tower body enclosed structure composition, tower body sub-truss upper end passes through cooling water water-collecting tray It is connected and fixed with body disc and tower body column truss, tower body sub-truss lower margin is fixed with basis, on tower body column truss and tower body Parallel truss is connected and fixed, aerophor truss installa-tion and tower body column truss top, and tower body enclosed structure is vertical with tower body respectively Column truss, upper parallel truss are connected and fixed.
The pneumatic heat exchange cycle system 2 includes photocatalyst air intake grid, external water body liquid film evaporation cooler, finned coil Built-in medium module group, pneumatic atmosphere heat-exchanger rig composition, it is cold that the photocatalyst air intake grid is arranged in external water body liquid film evaporation But device windward side, medium module group built in finned coil be arranged in behind external water body liquid film evaporation cooler and with tower body column Truss structure is fixed, and pneumatic atmosphere heat-exchanger rig is fixed on tower body above parallel truss structure.
The winter closed type heat source system 3 includes medium module built in triplet commutation hot and cold stream motor-driven valve, finned coil Group, defrosting cold flow and exhaust motor-driven valve, triplet commutation Cooling and Heat Source motor-driven valve, expansion tube solenoid valve, accumulation of heat buffering sealant supplement cylinder, cold and hot Source recycles transfer tube, four-way commutation Cooling and Heat Source valve, heat pump unit evaporator, four-way commutation hot and cold stream valve group at the threeway is changed To the electronic valve outlet of hot and cold stream by pipeline respectively with two sides finned coil built in medium module group inlet tube connect, upper feed liquor Pipe highest point is connect by pipeline with defrosting cold flow and exhaust motor-driven valve, outlet tube under medium module group built in the finned coil of two sides It is connect respectively by pipeline with the import of triplet commutation Cooling and Heat Source motor-driven valve, expansion tube electromagnetic valve outlet, accumulation of heat buffering sealant supplement cylinder goes out D mouthfuls of liquid valve are connected by the solenoid valve import of pipeline expansion tube, and the electronic valve outlet of triplet commutation Cooling and Heat Source passes through pipeline and Cooling and Heat Source Circulation drives pump intake connection, and Cooling and Heat Source circulation driving pump discharge is connect by pipeline with four-way commutation Cooling and Heat Source valve import, and four Logical commutation Cooling and Heat Source valve outlet connection is connect by pipeline with heat pump unit evaporator, and heat pump unit evaporator outlet passes through Pipeline is connect with four-way commutation hot and cold stream valve, and four-way commutation hot and cold stream valve passes through pipeline and the motor-driven valve import of triplet commutation hot and cold stream Connection.
The summer open cooling system 4 is followed including summer circulating water chennel, triplet commutation Cooling and Heat Source motor-driven valve, Cooling and Heat Source Ring transfer tube, four-way commutation Cooling and Heat Source valve, heat pump unit condenser, four-way commutation hot and cold stream valve, triplet commutation hot and cold stream are electronic Valve, crossing current tower water drenching device, external water body liquid film evaporation cooler composition, the summer circulating water chennel are located under cooling water water-collecting tray Face, summer circulating water chennel water outlet are connect by pipeline with the electronic valve inlet of triplet commutation Cooling and Heat Source, triplet commutation Cooling and Heat Source electricity Dynamic valve outlet recycles driving pump intake with Cooling and Heat Source by pipeline and connect, and Cooling and Heat Source circulation driving pump discharge passes through pipeline and four-way Commutate Cooling and Heat Source valve import connection, and four-way commutation Cooling and Heat Source valve outlet is connect by pipeline with heat pump unit condenser inlet, heat Pump assembly condensator outlet is connect by pipeline with four-way commutation hot and cold stream valve import, and four-way commutation hot and cold stream valve outlet passes through pipe Road is connect with triplet commutation hot and cold stream motor-driven valve import, and the electronic valve outlet of triplet commutation hot and cold stream passes through pipeline and crossing current tower water drenching Device connection, crossing current tower water drenching device are distributed at the top of external water body liquid film evaporation cooler, external water body liquid film evaporation cooler peace Above cooling water water-collecting tray.
The supercooling accumulation of heat defrosting system 5 becomes including detection of negative pressure defrosting unit, thermal medium in negative temperature detection storage heater, tower Fast transfer tube, sensible heat supercooling economizer, defrosting hot-fluid motor-driven valve, medium module group, defrosting cold flow and exhaust built in finned coil Motor-driven valve, medium fluid infusion adjust motor-driven valve, accumulation of heat buffering sealant supplement cylinder composition, the negative temperature detection storage heater installation and air intake grid Locate, detection of negative pressure defrosting unit is installed on the inside of medium module group built in finned coil in tower, and accumulation of heat buffers A mouthfuls of sealant supplement cylinder liquid valve It is connect by pipeline with thermal medium variable speed drives pump intake, thermal medium variable speed drives pump discharge is subcooled with sensible heat respectively by pipeline Economizer inlet is connected with defrosting hot-fluid motor-driven valve import, and sensible heat is subcooled economizer outlet and buffers sealant supplement cylinder by pipeline and accumulation of heat B mouthfuls of liquid valve connections are returned, the electronic valve outlet of defrosting hot-fluid is connect by pipeline with medium module group lower liquid outlet built in finned coil, Inlet is connect by pipeline with defrosting cold flow and exhaust motor-driven valve import in medium module group built in finned coil, defrosting cold flow And the electronic valve outlet of exhaust buffers sealant supplement cylinder import C with accumulation of heat by pipeline and connect.
The Winter heat supply load system 6 includes heat pump unit condenser, four-way commutation hot and cold stream valve, load side heat exchange Device, load side circulation transfer tube, microcirculation expansion drum, four-way commutation return valve composition, the heat pump unit condensator outlet are logical It crosses pipeline to connect with four-way commutation hot and cold stream valve import, four-way commutation hot and cold stream valve outlet passes through pipeline and load side heat exchanger System inlets connection, the outlet of load side heat exchanger system recycle driving pump intake with load side by pipeline and connect, load side Circulation driving pump intake is connected by exporting under pipeline and microcirculation expansion drum, microcirculation expansion drum upper inlet respectively with load side Heat exchanger system passes in and out collector highest point and carries out microcirculation exhaust connection, and load side circulation driving pump discharge passes through pipeline and four Logical commutation return valve import connection, four-way commutation reflux valve outlet are connect by pipeline with heat pump unit condenser inlet.
The cooling in summer load system 7 includes heat pump unit evaporator, four-way commutation hot and cold stream valve, the friendship of load side heat Parallel operation, microcirculation expansion drum, load side circulation transfer tube, four-way commutation return valve composition, the heat pump unit evaporator outlet It is connect by pipeline with four-way commutation hot and cold stream valve import, four-way commutation hot and cold stream valve outlet passes through pipeline and load side heat exchange The connection of device system inlets, the outlet of load side heat exchanger system recycle driving pump intake with load side by pipeline and connect, load Side circulation driving pump intake is connected by exporting under pipeline and microcirculation expansion drum, microcirculation expansion drum upper inlet respectively with load Side heat exchanger system pass in and out collector highest point carry out microcirculation exhaust connection, load side circulation driving pump discharge by pipeline with Four-way commutation return valve import connection, four-way commutation reflux valve outlet are connect by pipeline with heat pump unit evaporator.
Detailed description of the invention
Fig. 1 is that one embodiment of type of the present invention " commercial style open and close type heat source tower heat pump complexes " winter enclosed takes heat structure Schematic diagram.
Fig. 2 is one embodiment of type of the present invention " commercial style open and close type heat source tower heat pump complexes " summer open type cooling structure Schematic diagram.
Specific embodiment
Below in conjunction with attached drawing：Fig. 1, Fig. 2 close type of the present invention " commercial style open and close type heat source tower heat pump complexes " respectively Formula winter takes heat structure schematic diagram, summer open type cooling structure schematic diagram to be described further.
Referring to attached drawing, the present embodiment includes by being opened and closed tower enclosed structure 1, pneumatic heat exchange cycle system 2, winter closed type hot Accumulation of heat defrosting system 5, Winter heat supply load system 6, cooling in summer load system is subcooled in source system 3, summer open cooling system 4 7 composition of system.
Explanation：Hollow arrow indicates air-flow direction in figure, and filled arrows indicate circulatory mediator, liquid, water circulation Flow direction.
The tower enclosed structure 1 of opening and closing includes tower body sub-truss 1-1；Cooling water water-collecting tray 1-2；Tower body column truss 1-3；Parallel truss 1-4 on tower body；Aerophor truss 1-5；Tower body enclosed structure 1-6 is constituted.
The upper end tower body sub-truss 1-1 is connect by cooling water water-collecting tray 1-2 with body disc with tower body column truss 1-3 It is fixed；Tower body sub-truss 1-1 lower margin is fixed with basis；Tower body column truss 1-3 is solid with truss 1-4 connection parallel on tower body It is fixed；Aerophor truss 1-5 installation and the top tower body column truss 1-3；Tower body enclosed structure 1-6 respectively with tower body column truss 1-3, upper parallel truss 1-4 are connected and fixed.
The pneumatic heat exchange cycle system 2 includes photocatalyst air intake grid 2-1；External water body liquid film evaporation cooler F-1；Wing Medium module group F-2 built in piece coil pipe；Pneumatic atmosphere heat-exchanger rig 2-2 is constituted.
The photocatalyst air intake grid 2-1 is arranged in the windward side external water body liquid film evaporation cooler F-1；Built in finned coil Medium module group F-2 is arranged in behind external water body liquid film evaporation cooler F-1 and fixes with tower body column truss structure；It is pneumatic Atmosphere heat-exchanger rig 2-2 is fixed on tower body parallel truss 1-4 structure.
The winter closed type heat source system 3 includes triplet commutation hot and cold stream motor-driven valve 3-1；Medium module built in finned coil Group F-2；Defrosting cold flow and exhaust motor-driven valve 5-4；Triplet commutation Cooling and Heat Source motor-driven valve 3-2；Expansion tube solenoid valve 5-5；Accumulation of heat is slow Rush sealant supplement cylinder P-1；Cooling and Heat Source recycles transfer tube S-1；Four-way commutation Cooling and Heat Source valve 3-3；Heat pump unit evaporator R-1；Four-way changes It is constituted to hot and cold stream valve 3-4.
The outlet the triplet commutation hot and cold stream motor-driven valve 3-1 by pipeline respectively with two sides finned coil built in medium module Inlet tube connection, upper inlet tube highest point are connect by pipeline with defrosting cold flow and exhaust motor-driven valve 5-4 on group F-2；Two sides wing Outlet tube passes through pipeline and triplet commutation Cooling and Heat Source motor-driven valve 3-2 import, expansion respectively under medium module group F-2 built in piece coil pipe The outlet pipe solenoid valve 5-5 connection；Accumulation of heat buffers D mouthfuls of sealant supplement cylinder P-1 liquid valve and is connected by the 5-5 import of pipeline expansion tube solenoid valve It connects；The outlet triplet commutation Cooling and Heat Source motor-driven valve 3-2 recycles transfer tube S-1 entrance with Cooling and Heat Source by pipeline and connect；Cooling and Heat Source is followed The outlet ring transfer tube S-1 is connect by pipeline with four-way commutation Cooling and Heat Source valve 3-3 import；The outlet four-way commutation Cooling and Heat Source valve 3-3 Connection is connect by pipeline with heat pump unit evaporator R-1 import；Heat pump unit evaporator R-1 is changed outlet by pipeline and four-way To the 3-4 connection of hot and cold stream valve；Four-way commutation hot and cold stream valve 3-4 is connected by pipeline and the 3-1 import of triplet commutation hot and cold stream motor-driven valve It connects.
The summer open cooling system 4 includes summer circulating water chennel 4-1；Triplet commutation Cooling and Heat Source motor-driven valve 4-2；It is cold Heat-source Cycles transfer tube S-1；Four-way commutation Cooling and Heat Source valve 4-3；Heat pump unit condenser R-2；Four-way commutation hot and cold stream valve 4-4； Triplet commutation hot and cold stream motor-driven valve 4-5；Flow over tower water drenching device 4-6；External water body liquid film evaporation cooler F-1 is constituted.
The summer circulating water chennel 4-1 is located at below cooling water water-collecting tray 1-2；Summer circulating water chennel 4-1 water outlet passes through Pipeline is connect with triplet commutation Cooling and Heat Source motor-driven valve 4-2 entrance；Triplet commutation Cooling and Heat Source motor-driven valve 4-2 outlet by pipeline with it is cold The connection of heat-source Cycles transfer tube S-1 entrance；Cooling and Heat Source recycles the outlet transfer tube S-1 and passes through pipeline and four-way commutation Cooling and Heat Source valve 4- 3 imports connection；The outlet four-way commutation Cooling and Heat Source valve 4-3 is connect by pipeline with heat pump unit condenser R-2 import；Heat pump unit The outlet condenser R-2 is connect by pipeline with four-way commutation hot and cold stream valve 4-4 import；The outlet four-way commutation hot and cold stream valve 4-4 is logical Pipeline is crossed to connect with triplet commutation hot and cold stream motor-driven valve 4-5 import；Triplet commutation hot and cold stream motor-driven valve 4-5 outlet by pipeline with Crossing current tower water drenching device 4-6 connection；Crossing current tower water drenching device 4-6 is distributed at the top of external water body liquid film evaporation cooler F-1；External water Body fluid film devaporizer F-1 is installed on above cooling water water-collecting tray 1-2.
The supercooling accumulation of heat defrosting system 5 includes that negative temperature detects storage heater 5-1；Detection of negative pressure defrosting unit 5-2 in tower；Heat Medium variable speed drives pump S-3；Economizer R-3 is subcooled in sensible heat；Defrosting hot-fluid motor-driven valve 5-3；Medium module group built in finned coil F-2；Defrosting cold flow and exhaust motor-driven valve 5-4；Medium fluid infusion adjusts motor-driven valve 5-5；Accumulation of heat buffers sealant supplement cylinder P-1 and constitutes.
At the negative temperature detection storage heater 5-1 installation and air intake grid；Detection of negative pressure defrosting unit 5-2 is installed on fin in tower On the inside of medium module group F-2 built in coil pipe；Accumulation of heat buffers A mouthfuls of sealant supplement cylinder P-1 liquid valve by pipeline and thermal medium variable speed drives Pump the connection of S-3 entrance；The outlet pump S-3 of thermal medium variable speed drives is subcooled economizer R-3 import respectively by pipeline and is melted with sensible heat White hot-fluid motor-driven valve 5-3 import connection；Sensible heat is subcooled the outlet economizer R-3 and returns liquid by pipeline and accumulation of heat buffering sealant supplement cylinder P-1 B mouthfuls of valve connections；The outlet defrosting hot-fluid motor-driven valve 5-3 is connected by medium module group F-2 lower liquid outlet built in pipeline and finned coil It connects；Inlet is connected by pipeline and defrosting cold flow and exhaust motor-driven valve 5-4 import on medium module group F-2 built in finned coil It connects；Defrosting cold flow and the outlet exhaust motor-driven valve 5-4 buffer sealant supplement cylinder P-1 import C with accumulation of heat by pipeline and connect.
The Winter heat supply load system 6 includes heat pump unit condenser R-2；Four-way commutation hot and cold stream valve 6-1；Load side Heat exchanger Q-1；Load side recycles transfer tube S-2；Microcirculation expansion drum P-2；Four-way commutation return valve 6-2 is constituted.
The outlet heat pump unit condenser R-2 is connect by pipeline with four-way commutation hot and cold stream valve 6-1 import；Four-way changes It is connect to the outlet hot and cold stream valve 6-1 by pipeline with load side heat exchanger Q-1 system inlets；Load side heat exchanger Q-1 system System outlet recycles transfer tube S-2 entrance with load side by pipeline and connect；Load side recycle transfer tube S-2 entrance by pipeline with Connection is exported under microcirculation expansion drum P-2；Microcirculation expansion drum P-2 upper inlet respectively with load side heat exchanger Q-1 system into Collector highest point carries out microcirculation exhaust connection out；Load side recycles the outlet transfer tube S-2 and is flowed back by pipeline and four-way commutation Valve 6-2 import connection；The outlet four-way commutation return valve 6-2 is connect by pipeline with heat pump unit condenser R-2 import.
The cooling in summer load system 7 includes heat pump unit evaporator R-1；Four-way commutation hot and cold stream valve 7-1；Load Side heat exchanger Q-1；Microcirculation expansion drum P-2；Load side recycles transfer tube S-2；Four-way commutation return valve 7-2 is constituted.
The outlet heat pump unit evaporator R-1 is connect by pipeline with four-way commutation hot and cold stream valve 7-1 import；Four-way changes It is connect to the outlet hot and cold stream valve 7-1 by pipeline with load side heat exchanger Q-1 system inlets；Load side heat exchanger Q-1 system System outlet recycles transfer tube S-2 entrance with load side by pipeline and connect；Load side recycle transfer tube S-2 entrance by pipeline with Connection is exported under microcirculation expansion drum P-2；Microcirculation expansion drum P-2 upper inlet respectively with load side heat exchanger Q-1 system into Collector highest point carries out microcirculation exhaust connection out；Load side recycles the outlet transfer tube S-2 and is flowed back by pipeline and four-way commutation Valve 7-2 import connection；The outlet four-way commutation return valve 7-2 is connect by pipeline with heat pump unit evaporator R-1 import.
Commercial style open and close type heat source tower heat pump complexes working principle
Commercial style open and close type heat source tower heat pump complexes are by being opened and closed tower enclosed structure 1, pneumatic heat exchange cycle system 2, Accumulation of heat defrosting system 5, Winter heat supply load system 6, summer is subcooled in winter closed type heat source system 3, summer open cooling system 4 Cooling load system 7 forms.
It is opened and closed tower 1 action principle of enclosed structure, sees Fig. 1.
The tower body sub-truss 1-1 tectonism supports tower body armamentarium weight；The cooling water water-collecting tray 1-2 Tectonism collects summer external water body liquid film evaporation cooler F-1 and evaporates cooling circulating water, collects under winter negative temperature weather Medium module group F-2 defrosting condensed water built in finned coil；The tower body column truss 1-3 tectonism is supported and is put down on tower body Row truss 1-4 connect composed structure power group, medium module group F-2 equipment built in fixed finned coil with other truss；The tower Parallel truss 1-4 tectonism on body supports aerophor truss 1-5；Tower body enclosed structure 1-6 tectonism, with cooling water Water-collecting tray 1-2 collectively constitutes outer enclosed structure.
Pneumatic 2 working principle of heat exchange cycle system, is shown in Fig. 1.
The solar energy secondary source with infinite energy is contained in air.Summer is external using solar energy generation psychrometric difference Water body liquid film evaporation cooler improves refrigeration machine heat exchanger cooling efficiency, and winter built in finned coil in medium module group using following The clammy haze air of ring Absorption of Medium can be as the heat source of heat pump, economic and environment-friendly substitution fossil energy.
Summer evaporation cooling wind is moved hot ring and is followed：The pneumatic atmosphere heat-exchanger rig 2-2 disturbance room temperature low-humidity air circulation, It is flow over by photocatalyst air intake grid 2-1 and enters external water body liquid film evaporation cooler F-1 and filler surface spray liquid film forming steaming It feels cold but, air condition is high temperature and humidity air after heat exchange, into fin layer is removed outside medium module group F-2 built in finned coil It goes drift moisture to be sucked by pneumatic atmosphere heat-exchanger rig 2-2, high temperature and humidity air is thrown into atmosphere through blower driving and carries out hot friendship It is again introduced into photocatalyst air intake grid 2-1 completion wet monsoon after changing and moves Thermal Cycling.
The pneumatic heat exchange ring of winter fin heat transfer follows：The pneumatic atmosphere heat-exchanger rig 2-2 disturbs clammy air circulation, passes through Photocatalyst air intake grid 2-1 crossing current enters the dust and jelly in external water body liquid film evaporation cooler F-1 removing air, adverse current Into medium module group F-2 built in finned coil to finned coil release low temperature position can air status parameter change temperature drop It is low, it is sucked by pneumatic atmosphere heat-exchanger rig 2-2, drives and throw to Low Temperature Wet cold air after atmosphere carries out heat exchange again through blower Dry monsoon, which is completed, into photocatalyst air intake grid 2-1 moves Thermal Cycling.
3 working principle of winter closed type heat source system, is shown in Fig. 1.
It is described to enter two sides wing through triplet commutation hot and cold stream motor-driven valve 3-1 from heat pump unit evaporator R-1 cryogenic media Medium module group F-2 built in piece coil pipe, with finned coil built in outside medium module group F-2 fin contacts clammy air circulation shape At adverse current gas-liquid heat exchanging process, the clammy heat source medium temperature absorbed in air rises, cold and hot through triplet commutation Source motor-driven valve 3-2 enters Cooling and Heat Source circulation transfer tube S-1 loaded cycle energy, enters heat pump through four-way commutation Cooling and Heat Source valve 3-3 Unit evaporator R-1 discharges the decline of low temperature position sensible heat energy medium temperature, cold and hot through four-way commutation hot and cold stream valve 3-4, triplet commutation Stream motor-driven valve 3-1 is again introduced into low temperature position energy of the medium module group F-2 cyclic absorption built in the finned coil of two sides in air Amount.Expansion tube solenoid valve 5-5 connection microcirculation expansion drum P-1 principle is to constitute microcirculation with system, plays system and stops too long Vapour lock is also easy to produce with automatic ventilating function.
4 working principle of summer open cooling system, is shown in Fig. 2.
Enter Cooling and Heat Source circulation driving through triplet commutation Cooling and Heat Source motor-driven valve 4-2 from summer circulating water chennel 4-1 cooling water S-1 loaded cycle energy is pumped, enters heat pump unit condenser R-2 through four-way commutation Cooling and Heat Source valve 4-3 and absorbs sensible heat energy cooling water Temperature rises, and enters crossing current tower water drenching device 4-6 through four-way commutation hot and cold stream valve 4-4, triplet commutation hot and cold stream motor-driven valve 4-5, will High-temperature cooling water, which is uniformly sprayed, forms liquid film, room temperature in filler surface by gravity on external water body liquid film evaporation cooler F-1 Low humidity circulation air makes the sub- pressure reduction liquid film evaporation water temperature reduction of liquid film surface moisture fall into cooling water water-collecting tray 1-2, enters Summer circulating water chennel 4-1 forms inner evaporation cooling.
5 working principle of accumulation of heat defrosting system is subcooled, sees Fig. 1.
Under the conditions of the operation of winter enclosed takes thermal condition, under surrounding air negative temperature weather, medium module built in finned coil The outer fin of group F-2 will appear frozen condition, will affect the heat transfer property of fin when frosting reaches certain thickness, so will be into Row interval formula defrosting runs guarantee system and absorbs low level heat source performance.
Into negative temperature accumulation of heat：The negative temperature detection storage heater 5-1 detects that air themperature enters negative temperature output letter Number, thermal medium variable speed drives pump the operation of S-3 low rate start, and heat storage medium buffers A mouthfuls of sealant supplement cylinder P-1 liquid valve from accumulation of heat and enters heat Medium variable speed drives pump S-3 and load circulated at low velocity energy, and heat storage medium enters sensible heat supercooling economizer R-3（Cooling refrigerant liquid Body increases heat pump performance）Heat storage medium enters accumulation of heat buffering sealant supplement cylinder P-1 after heating, when regenerator temperature reaches set temperature value When, it is out of service that thermal medium variable speed drives pump S-3.
Negative temperature interval defrosting in 12 hours：The negative temperature detection storage heater 5-1 detects that air themperature enters negative temperature Timing signal is exported, continues 12-24 hours in negative temperature（By setting value）, detection of negative pressure defrosting unit 5-2 detects setting in tower Negative pressure value when, system enters defrosting program.Defrosting hot-fluid motor-driven valve 5-3, cold flow motor-driven valve 5-4 are opened, and accumulation of heat buffers fluid infusion Tank P-1 thermal medium enters medium module group F-2 defrosting built in finned coil through variable speed drives pump S-3 load high-speed circulating energy, Cold medium returns to accumulation of heat buffering sealant supplement cylinder P-1 through cold flow motor-driven valve 5-4 and mixes with thermal medium in tank, and accumulation of heat is slow after iterative cycles The decline of sealant supplement cylinder P-1 medium temperature is rushed, the rising of medium module group F-2 temperature reaches setting value, defrosting program built in finned coil Terminate.
6 working principle of Winter heat supply load system, is shown in Fig. 1.
The heat pump unit condenser R-2 thermal medium enters load side heat exchanger Q-1 through four-way commutation hot and cold stream valve 6-1 System recycles transfer tube S-2 loaded cycle energy through load side to load side heat supply place release sensible heat energy medium temperature decline Amount, four-way commutation return valve 6-2 enter heat pump unit condenser R-2 heat absorption and realize heat pump heat supply circulation.The circulatory system is containing free Gas enters expansion drum P-2 through gas-water exhaust microcirculation, and circulatory mediator supplements expanded pipe and entered by load side circulation transfer tube S-2 Mouth sucking supplement.
7 working principle of cooling in summer load system, is shown in Fig. 2.
The heat pump unit evaporator R-1 cold medium enters load side heat exchanger Q-1 through four-way commutation hot and cold stream valve 7-1 System recycles transfer tube S-2 loaded cycle into load side after rising to load side refrigeration place release sensible heat energy medium temperature Energy enters heat pump unit evaporator R-1 heat release through four-way commutation return valve 7-2 and realizes refrigeration mechanism SAPMAC method.The circulatory system Enter expansion drum P-2 through gas-water exhaust microcirculation containing air, circulatory mediator supplements expanded pipe and recycles driving by load side Pump S-2 entrance sucking supplement.
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