CN105318603A - Commercial-type open and close heat-source tower heat pump complete equipment - Google Patents
Commercial-type open and close heat-source tower heat pump complete equipment Download PDFInfo
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- CN105318603A CN105318603A CN201410247631.3A CN201410247631A CN105318603A CN 105318603 A CN105318603 A CN 105318603A CN 201410247631 A CN201410247631 A CN 201410247631A CN 105318603 A CN105318603 A CN 105318603A
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Abstract
The invention discloses commercial-type open and close heat-source tower heat pump complete equipment. The equipment comprises an open and close tower type maintaining structure, a pneumatic heat-exchange circulation system, a winter close heat source system, a summer open cooling system, a supercooling heat-storage defrosting system, a winter heat-supply load system and a summer refrigeration load system. The equipment is characterized in that medium module sets arranged inside fin coils are applied in winter to obtain a heat pump low-temperature heat source having the effect of purifying the atmospheric environment; external water body liquid film evaporation cooler is applied in summer to directly perform liquid film evaporation to improve the cooling efficiency of a refrigeration machine. All the systems in the complete equipment are correlated with one another, and therefore centenary single tube cooler upgraded heating pump of a large commercial air conditioning system is widely applied and can be efficiently applied to all regions below the air temperature of -15 DEG C to reduce carbon emission generated by heat supply of fossil energy and also can be 30-50% efficiently applied to regions above the air temperature of -15 DEG C to reduce carbon emission generated by heat supply of fossil energy.
Description
Technical field
The commercial style open and close type heat source tower heat pump complexes that type of the present invention relates to relate to the large field of China's new energy source energy-saving technology, environmental protection and resource two.
New energy source energy-saving technology: by efficient for summer open type crossflow cooling tower and winter high-performance enclosed finned coil heat source tower unite two into one, retain respective performance advantage.Closed-type double action crank press function heat source tower utilizes solar energy to transform the psychrometric difference produced summer, and external water body liquid film evaporation cooler improves cryocooled efficiency; Utilizing winter finned coil built-in medium module group to absorb clammy haze air can as the thermal source of heat pump, economic environment-friend substitution fossil energy, contrasting conventional air source heat pump winter utilizes the clammy thermal source ability in air to improve more than 90%, summer system external water body liquid film evaporation cooler contrast hot blast cooling refrigeration energy-conservation more than 50%.This device was integrated with cold accumulation of heat defrosting system, Winter heat supply load system, cooling in summer load system are mutually related best of breed, realize the extensive use of large commercial air-conditioning system century-old single cooler upgrading heating pump, can all apply efficiently in air themperature less than-15 DEG C area and reduce by fossil energy for thermogenetic carbon emission, can apply efficiently in air themperature more than-15 DEG C area 30-50% and reduce fossil energy for thermogenetic carbon emission.
Environmental protection and resource: absorb the clammy thermal source of haze at the difunctional heat source tower of northern China haze weather application open and close type winter and originate as heat pump low level heat source, purify haze air while heat-obtaining.
Background technology
Along with the raising of people's living standard, the requirement of people to architectural environment is also more and more higher.Various refrigeration air-conditioner ventilates and heat supply process is promoted use day by day under construction, at current energy-saving low-carbon, reduce haze weather, under creating the large form of ecocity, green ecological district, green low-carbon building, the low-carbon environment-friendly energy-saving heating mode that heat source tower is originated as heat pump cold (heat) source, will play key player in the development of people's productive life.But in longtime running project investigation display:
Conventional open type heat source tower (similar open cooling tower structure), directly forms the high efficiency of liquid film evaporation cooling at filling surface in the tradition retained summer.But utilizing external circulation solution directly to absorb low level heat source at filling surface liquid film in the winter time, it is also more serious than Pollution of Boiler that matter melts process water capacity drift pollution corrosive environment metal.Utilize the clammy thermal source in frozen soln absorption air, solution is analysed wet dilution discharge and is caused certain water pollution, solution dilution causes solution concentration freezing point to rise simultaneously, and source pump frost heave damage phenomenon often occurs, and the loss of solution year accounts for more than 20% of Winter heat supply operating cost.
Novel closed type heat source tower complexes also Shortcomings, utilize broadband low crammed Ji temperature difference finned tube exterior heat device by the circulating heat transfer to the clammy air of haze in the winter time, obtain the thermal source economic environmental protection of low level heat source as heat pump atmospheric environment to catharsis, do not have external circulation solution to the pollution of environment, frosting probability utilizes the energy in air to have dropped more than 90% than the highly dense fin heat pump of traditional large temperature difference.But in cooling in summer cooling procedure, need the meticulous maintenance of water treatment spraying and sprinkling evaporation cooling water being carried out to strict scale inhibition algae removal, once operation maintenance management is out of control, form jelly in incrustation scale+algae+air to cover finned tube surface and have a strong impact on heat-transfer effect and reach about 20%, lower cryocooled performance.Adopt the frost prevention of outer spray Polymer Solution spray during air negative temperature, dilute solution reverse osmosis concentration adds the complexity of system.
Thus solve and improve heat source tower heat pump technology, become the key applying heat source tower heat pump technical substitution fossil energy.Technical requirement heat source tower should have the high efficiency of external filler spraying and sprinkling evaporation cooling summer, built-in circulation solution should be had winter circulated by the economic different transfer of heat in broadband and air, reduce the economy of acquisition to atmospheric environment catharsis while frosting probability is raised the efficiency again, the optimal relevance combination between equipment is directly connected 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 object of the present invention.Be summer directly to utilize circulating water body to form liquid film evaporation at filling surface, improve the high efficiency of circulating water body cooling and resistant to pollution feature; Be winter to utilize economic temperature difference finned tube exterior heat device in broadband by the circulating heat transfer of air, obtain the thermal source of low level heat source as heat pump atmospheric environment to catharsis.This device was integrated with cold accumulation of heat defrosting system, Winter heat supply load system, cooling in summer load system are mutually related best of breed, realize the extensive use of large commercial air-conditioning system century-old single cooler upgrading heating pump, all can substitute fossil energy efficiently for thermogenetic carbon emission in air themperature area below-15, fossil energy can be substituted efficiently for thermogenetic carbon emission in more than-15 area 30-50% of air themperature.
Contrast with conventional open type heat source tower, effectively can solve and absorb low level heat source winter, external circulation solution liquid-gas exchanges the matter process of melting and causes solution water capacity to be drifted about, contaminated environment corroding metal is than Pollution of Boiler also serious problems, and the loss of solution year accounts for more than 20% of Winter heat supply operating cost drops to lower than 2%, reach built-in circulation solution not dilute by heat-obtaining condensate water, solution concentration stablizes the security having ensured source pump.
Contrast with novel closed type heat source tower, effectively can solve the recirculated cooling water of summer without water treatment in the evaporative cooling of finned tube surface spraying, form jelly in incrustation scale+algae+air to cover finned tube surface and have a strong impact on heat-transfer effect and reach about 20%, reduce cryocooled performance issue, the simple interests of accessory device system cross cold accumulation of heat defrosting system does not have external solution to participate in system cloud gray model.
Economy of the present invention, reasonably to run, thoroughly can solve the fatal shortcoming of current China heat source tower pump open cooling tower and closed type heat source tower finned coil vulnerable to pollution affects the performance issue caused.Commercial style open and close type heat source tower heat pump complexes innovative technology, can provide safe and reliable economy guarantee for the association of heat source tower heat pump technology maturation affiliated facility is supporting.
The technical scheme of type of the present invention is: by the tower enclosed structure 1 of opening and closing, pneumatic recuperated cycle system 2, winter closed type heat source system 3, summer open cooling system 4, cross cold accumulation of heat defrosting system 5, Winter heat supply load system 6, cooling in summer load system 7 forms.
The tower enclosed structure of described opening and closing 1 comprises parallel truss on tower body sub-truss, cooling water water-collecting tray, tower body column truss, tower body, aerophor truss, tower body enclosed structure composition, described tower body sub-truss upper end is connected and fixed by cooling water water-collecting tray and body disc and tower body column truss, tower body sub-truss lower margin and basis are fixed, tower body column truss truss parallel with on tower body is connected and fixed, aerophor truss installa-tion and tower body column truss top, tower body enclosed structure is connected and fixed with tower body column truss, upper parallel truss respectively.
Described pneumatic recuperated cycle system 2 comprises photocatalyst air intake grid, external water body liquid film evaporation cooler, finned coil built-in medium module group, pneumatic air heat-exchanger rig composition, described photocatalyst air intake grid is arranged in external water body liquid film evaporation cooler windward side, finned coil built-in medium module group to be arranged in after external water body liquid film evaporation cooler and to fix with tower body column truss structure, and pneumatic air heat-exchanger rig to be fixed on tower body above parallel truss structure.
Described winter, closed type heat source system 3 comprised triplet commutation cold flow motor-driven valve, the built-in medium module group of finned coil, cold flow and exhaust motor-driven valve, triplet commutation thermal source motor-driven valve, expansion tube magnetic valve, accumulation of heat buffering sealant supplement cylinder, Cooling and Heat Source circulation driving pump, four-way commutation heat source valve, source pump evaporimeter, four-way commutation cold flow valve composition, described triplet commutation cold flow motor-driven valve outlet is connected by feed tube on pipeline respectively medium module group built-in with both sides finned coil, upper feed tube highest point is by pipeline and cold flow and be vented motor-driven valve and be connected, under the built-in medium module group of both sides finned coil, drain pipe is respectively by pipeline and the import of triplet commutation thermal source motor-driven valve, expansion tube electromagnetic valve outlet connects, accumulation of heat buffering sealant supplement cylinder liquid valve D mouth is connected by the import of pipeline expansion tube magnetic valve, the electronic valve outlet port of triplet commutation thermal source is connected with Cooling and Heat Source circulation driving pump entrance by pipeline, the outlet of Cooling and Heat Source circulation driving pump is connected by the heat source valve import that commutates of pipeline and four-way, the outlet of four-way commutation heat source valve is connected and is connected with source pump evaporator by pipeline, source pump evaporator outlet is connected by pipeline and the four-way cold flow valve that commutates, four-way commutation cold flow valve is connected with the import of triplet commutation cold flow motor-driven valve by pipeline.
Described summer, open cooling system 4 comprised circulating water chennel in summer, triplet commutation low-temperature receiver valve, Cooling and Heat Source circulation driving pump, four-way commutation low-temperature receiver valve, source pump condenser, four-way commutation hot-fluid valve, triplet commutation hot-fluid valve, crossing current tower water drenching device, external water body liquid film evaporation cooler composition, described summer, circulating water chennel was positioned at below cooling water water-collecting tray, summer, circulating water chennel delivery port was connected with triplet commutation low-temperature receiver valve inlet by pipeline, triplet commutation low-temperature receiver valve outlet port is connected with Cooling and Heat Source circulation driving pump entrance by pipeline, the outlet of Cooling and Heat Source circulation driving pump is connected by the low-temperature receiver valve import that commutates of pipeline and four-way, four-way commutation low-temperature receiver valve outlet port is connected with source pump condenser inlet by pipeline, source pump condensator outlet is connected by the hot-fluid valve import that commutates of pipeline and four-way, four-way commutation hot-fluid valve outlet port is connected with the import of triplet commutation hot-fluid valve by pipeline, triplet commutation hot-fluid valve outlet port is connected with crossing current tower water drenching device by pipeline, crossing current tower water drenching device is distributed in external water body liquid film evaporation cooler top, external water body liquid film evaporation cooler is installed on above cooling water water-collecting tray.
The cold accumulation of heat defrosting system 5 of described mistake comprises negative temperature and detects storage heater, detection of negative pressure defrosting unit in tower, thermal medium variable speed drives pump, sensible heat crosses cold economizer, defrosting hot-fluid motor-driven valve, the built-in medium module group of finned coil, defrosting cold flow motor-driven valve, medium fluid infusion regulates motor-driven valve, accumulation of heat buffering sealant supplement cylinder composition, described negative temperature detects storage heater and installs and air intake grid place, in tower, detection of negative pressure defrosting unit is installed on inside the built-in medium module group of finned coil, accumulation of heat buffering sealant supplement cylinder liquid valve A mouth is connected with thermal medium variable speed drives pump intake by pipeline, thermal medium variable speed drives pump discharge crosses cold economizer inlet respectively with sensible heat by pipeline and the import of defrosting hot-fluid motor-driven valve is connected, sensible heat is crossed the outlet of cold economizer and is cushioned sealant supplement cylinder by pipeline and accumulation of heat and return liquid valve B mouth and be connected, the outlet of defrosting hot-fluid motor-driven valve is connected by pipeline and finned coil built-in medium module group lower liquid outlet, in the built-in medium module group of finned coil, inlet is connected with the import of defrosting cold flow motor-driven valve by pipeline, the outlet of defrosting cold flow motor-driven valve cushions sealant supplement cylinder import C by pipeline and accumulation of heat and is connected.
Described Winter heat supply load system 6 comprises source pump condenser, four-way commutation hot-fluid valve, load side heat exchanger, load side circulation driving pump, microcirculation expansion drum, four-way commutation return valve composition, described source pump condensator outlet is connected by the hot-fluid valve import that commutates of pipeline and four-way, four-way commutation hot-fluid valve outlet port is connected with the import of load side heat exchanger system by pipeline, the outlet of load side heat exchanger system is connected with load side circulation driving pump entrance by pipeline, load side circulation driving pump entrance is connected with exporting under microcirculation expansion drum by pipeline, microcirculation expansion drum upper inlet passes in and out collector highest point respectively to carry out microcirculation and is vented with load side heat exchanger system and is connected, the outlet of load side circulation driving pump is connected by the return valve import that commutates of pipeline and four-way, the outlet of four-way commutation return valve is connected with source pump condenser inlet by pipeline.
Described cooling in summer load system 7 comprises source pump evaporimeter, four-way commutation cold flow valve, load side heat exchanger, microcirculation expansion drum, load side circulation driving pump, four-way commutation return valve composition, described source pump evaporator outlet is connected by the cold flow valve import that commutates of pipeline and four-way, four-way commutation cold flow valve outlet port is connected with the import of load side heat exchanger system by pipeline, the outlet of load side heat exchanger system is connected with load side circulation driving pump entrance by pipeline, load side circulation driving pump entrance is connected with exporting under microcirculation expansion drum by pipeline, microcirculation expansion drum upper inlet passes in and out collector highest point respectively to carry out microcirculation and is vented with load side heat exchanger system and is connected, the outlet of load side circulation driving pump is connected by the return valve import that commutates of pipeline and four-way, the outlet of four-way commutation return valve is connected with source pump evaporator by pipeline.
Accompanying drawing explanation
Fig. 1 is type one embodiment of the present invention " commercial style open and close type heat source tower heat pump complexes " enclosed heat-obtaining structural representation in winter.
Fig. 2 is type one embodiment of the present invention " commercial style open and close type heat source tower heat pump complexes " open type cooling structure schematic diagram in summer.
Detailed description of the invention
Below in conjunction with accompanying drawing: Fig. 1, Fig. 2 to type of the present invention " commercial style open and close type heat source tower heat pump complexes " respectively enclosed heat-obtaining in winter structural representation, summer open type cooling structure schematic diagram be described further.
With reference to accompanying drawing, the present embodiment comprises by the tower enclosed structure 1 of opening and closing, pneumatic recuperated cycle system 2, winter closed type heat source system 3, summer open cooling system 4, cross cold accumulation of heat defrosting system 5, Winter heat supply load system 6, cooling in summer load system 7 forms.
Illustrate: figure hollow core arrow represents air-flow direction, filled arrows represents circulatory mediator, liquid, water circulation flow direction.
The tower enclosed structure 1 of described opening and closing comprises 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 formed.
Described tower body sub-truss 1-1 upper end is connected and fixed by cooling water water-collecting tray 1-2 and body disc and tower body column truss 1-3; Tower body sub-truss 1-1 lower margin and basis are fixed; Tower body column truss 1-3 truss 1-4 parallel with on tower body is connected and fixed; Aerophor truss 1-5 installs and tower body column truss 1-3 top; Tower body enclosed structure 1-6 is connected and fixed with tower body column truss 1-3, upper parallel truss 1-4 respectively.
Described pneumatic recuperated cycle system 2 comprises photocatalyst air intake grid 2-1; External water body liquid film evaporation cooler F-1; The built-in medium module group F-2 of finned coil; Pneumatic air heat-exchanger rig 2-2 is formed.
Described photocatalyst air intake grid 2-1 is arranged in external water body liquid film evaporation cooler F-1 windward side; Finned coil built-in medium module group F-2 to be arranged in after external water body liquid film evaporation cooler F-1 and to fix with tower body column truss structure; Pneumatic air heat-exchanger rig 2-2 is fixed on parallel truss 1-4 structure on tower body.
Described winter, closed type heat source system 3 comprised triplet commutation cold flow motor-driven valve 3-1; The built-in medium module group F-2 of finned coil; Cold flow and exhaust motor-driven valve 5-4; Triplet commutation thermal source motor-driven valve 3-2; Expansion tube magnetic valve 5-5; Accumulation of heat buffering sealant supplement cylinder P-1; Cooling and Heat Source circulation driving pump S-1; Four-way commutation heat source valve 3-3; Source pump evaporimeter R-1; Four-way commutation cold flow valve 3-4 is formed.
Described triplet commutation cold flow motor-driven valve 3-1 outlet is connected with feed tube on both sides finned coil built-in medium module group F-2 respectively by pipeline, upper feed tube highest point is by pipeline and cold flow and be vented motor-driven valve 5-4 and be connected; Under the built-in medium module group F-2 of both sides finned coil, drain pipe exports respectively by pipeline be connected with triplet commutation thermal source motor-driven valve 3-2 import, expansion tube magnetic valve 5-5; Accumulation of heat buffering sealant supplement cylinder P-1 liquid valve D mouth is connected by pipeline expansion tube magnetic valve 5-5 import; Triplet commutation thermal source motor-driven valve 3-2 outlet is connected with Cooling and Heat Source circulation driving pump S-1 entrance by pipeline; Cooling and Heat Source circulation driving pump S-1 is exported and is connected by the heat source valve 3-3 import that commutates of pipeline and four-way; Four-way commutation heat source valve 3-3 outlet is connected and is connected with source pump evaporimeter R-1 import by pipeline; Source pump evaporimeter R-1 is exported and is connected by pipeline and the four-way cold flow valve 3-4 that commutates; Four-way commutation cold flow valve 3-4 is connected with triplet commutation cold flow motor-driven valve 3-1 import by pipeline.
Described summer, open cooling system 4 comprised circulating water chennel 4-1 in summer; Triplet commutation low-temperature receiver valve 4-2; Cooling and Heat Source circulation driving pump S-1; Four-way commutation low-temperature receiver valve 4-3; Source pump condenser R-2; Four-way commutation hot-fluid valve 4-4; Triplet commutation hot-fluid valve 4-5; Crossing current tower water drenching device 4-6; External water body liquid film evaporation cooler F-1 is formed.
Described summer, circulating water chennel 4-1 was positioned at below cooling water water-collecting tray 1-2; Summer, circulating water chennel 4-1 delivery port was connected with triplet commutation low-temperature receiver valve 4-2 entrance by pipeline; Triplet commutation low-temperature receiver valve 4-2 outlet is connected with Cooling and Heat Source circulation driving pump S-1 entrance by pipeline; Cooling and Heat Source circulation driving pump S-1 is exported and is connected by the low-temperature receiver valve 4-3 import that commutates of pipeline and four-way; Four-way commutation low-temperature receiver valve 4-3 outlet is connected with source pump condenser R-2 import by pipeline; Source pump condenser R-2 is exported and is connected by the hot-fluid valve 4-4 import that commutates of pipeline and four-way; Four-way commutation hot-fluid valve 4-4 outlet is connected with triplet commutation hot-fluid valve 4-5 import by pipeline; Triplet commutation hot-fluid valve 4-5 is exported and is connected with crossing current tower water drenching device 4-6 by pipeline; Crossing current tower water drenching device 4-6 is distributed in external water body liquid film evaporation cooler F-1 top; External water body liquid film evaporation cooler F-1 is installed on above cooling water water-collecting tray 1-2.
The cold accumulation of heat defrosting system 5 of described mistake comprises negative temperature and detects storage heater 5-1; Detection of negative pressure defrosting unit 5-2 in tower; Thermal medium variable speed drives pump S-3; Sensible heat crosses cold economizer R-3; Defrosting hot-fluid motor-driven valve 5-3; The built-in medium module group F-2 of finned coil; Defrosting cold flow motor-driven valve 5-4; Medium fluid infusion regulates motor-driven valve 5-5; Accumulation of heat buffering sealant supplement cylinder P-1 is formed.
Described negative temperature detects storage heater 5-1 and installs and air intake grid place; In tower, detection of negative pressure defrosting unit 5-2 is installed on inside the built-in medium module group F-2 of finned coil; Accumulation of heat buffering sealant supplement cylinder P-1 liquid valve A mouth is connected with thermal medium variable speed drives pump S-3 entrance by pipeline; Thermal medium variable speed drives pump S-3 outlet crosses cold economizer R-3 import respectively with sensible heat by pipeline and defrosting hot-fluid motor-driven valve 5-3 import is connected; Sensible heat is crossed cold economizer R-3 and is exported and cushion sealant supplement cylinder P-1 by pipeline and accumulation of heat and return liquid valve B mouth and be connected; Defrosting hot-fluid motor-driven valve 5-3 outlet is connected by pipeline and finned coil built-in medium module group F-2 lower liquid outlet; On the built-in medium module group F-2 of finned coil, inlet is connected with defrosting cold flow motor-driven valve 5-4 import by pipeline; Defrosting cold flow motor-driven valve 5-4 outlet cushions sealant supplement cylinder P-1 import C by pipeline and accumulation of heat and is connected.
Described Winter heat supply load system 6 comprises source pump condenser R-2; Four-way commutation hot-fluid valve 6-1; Load side heat exchanger Q-1; Load side circulation driving pump S-2; Microcirculation expansion drum P-2; Four-way commutation return valve 6-2 is formed.
Described source pump condenser R-2 is exported and is connected by the hot-fluid valve 6-1 import that commutates of pipeline and four-way; Four-way commutation hot-fluid valve 6-1 outlet is connected with load side heat exchanger Q-1 system inlets by pipeline; Load side heat exchanger Q-1 system outlet is connected with load side circulation driving pump S-2 entrance by pipeline; Load side circulation driving pump S-2 entrance is connected with exporting under microcirculation expansion drum P-2 by pipeline; Microcirculation expansion drum P-2 upper inlet passes in and out collector highest point respectively to carry out microcirculation and is vented with load side heat exchanger Q-1 system and is connected; Load side circulation driving pump S-2 is exported and is connected by the return valve 6-2 import that commutates of pipeline and four-way; Four-way commutation return valve 6-2 outlet is connected with source pump condenser R-2 import by pipeline.
Described cooling in summer load system 7 comprises source pump evaporimeter R-1; Four-way commutation cold flow valve 7-1; Load side heat exchanger Q-1; Microcirculation expansion drum P-2; Load side circulation driving pump S-2; Four-way commutation return valve 7-2 is formed.
Described source pump evaporimeter R-1 is exported and is connected by the cold flow valve 7-1 import that commutates of pipeline and four-way; Four-way commutation cold flow valve 7-1 outlet is connected with load side heat exchanger Q-1 system inlets by pipeline; Load side heat exchanger Q-1 system outlet is connected with load side circulation driving pump S-2 entrance by pipeline; Load side circulation driving pump S-2 entrance is connected with exporting under microcirculation expansion drum P-2 by pipeline; Microcirculation expansion drum P-2 upper inlet passes in and out collector highest point respectively to carry out microcirculation and is vented with load side heat exchanger Q-1 system and is connected; Load side circulation driving pump S-2 is exported and is connected by the return valve 7-2 import that commutates of pipeline and four-way; Four-way commutation return valve 7-2 outlet is connected with source pump evaporimeter R-1 import by pipeline.
Commercial style open and close type heat source tower heat pump complexes operation principle
Commercial style open and close type heat source tower heat pump complexes by the tower enclosed structure 1 of opening and closing, pneumatic recuperated cycle system 2, winter closed type heat source system 3, summer open cooling system 4, cross cold accumulation of heat defrosting system 5, Winter heat supply load system 6, cooling in summer load system 7 forms.
Opening and closing tower enclosed structure 1 action principle, is shown in Fig. 1.
Described tower body sub-truss 1-1 tectonism, supports tower body armamentarium weight; Described cooling water water-collecting tray 1-2 tectonism, collects external water body liquid film evaporation cooler F-1 evaporative cooling in summer recirculated water, finned coil built-in medium module group F-2 defrosting condensate water under collection negative temperature weather in winter; Described tower body column truss 1-3 tectonism, supports parallel truss 1-4 and other truss on tower body and connects to form structural capacity group, fixing finned coil built-in medium module group F-2 equipment; Parallel truss 1-4 tectonism on described tower body, supports aerophor truss 1-5; Tower body enclosed structure 1-6 tectonism, forms outer enclosed structure jointly with cooling water water-collecting tray 1-2.
Pneumatic recuperated cycle system 2 operation principle, is shown in Fig. 1.
The solar energy secondary source with infinite energy has been contained in air.Utilize summer solar energy to produce psychrometric difference external water body liquid film evaporation cooler and improve refrigeration machine heat exchanger cooling effectiveness, utilize winter the clammy haze air of finned coil built-in medium module group Inner eycle Absorption of Medium can as the thermal source of heat pump, economic environment-friend substitution fossil energy.
Evaporative cooling in summer pneumatic heat exchange ring follows: described pneumatic air heat-exchanger rig 2-2 disturbance normal temperature low-humidity air circulation, external water body liquid film evaporation cooler F-1 is entered and filling surface sprays liquid film forming evaporative cooling by photocatalyst air intake grid 2-1 crossing current, after heat exchange, air condition is hot and humid air, enter finned coil built-in medium module group F-2 outer fin layer removing drift moisture to be sucked by pneumatic air heat-exchanger rig 2-2, drive hot and humid air to throw to through blower fan and again to enter photocatalyst air intake grid 2-1 after air carries out heat exchange and complete wet monsoon and move Thermal Cycling.
Winter, the fin pneumatic heat exchange ring that conducts heat followed: the clammy air circulation of described pneumatic air heat-exchanger rig 2-2 disturbance, enter external water body liquid film evaporation cooler F-1 by photocatalyst air intake grid 2-1 crossing current and remove dust in air and jelly, adverse current enters the built-in medium module group F-2 of finned coil and reduces to the finned coil release low temperature potential energy air status parameter temperature that changes, sucked by pneumatic air heat-exchanger rig 2-2, drive Low Temperature Wet cold air to throw to through blower fan and again to enter photocatalyst air intake grid 2-1 after air carries out heat exchange and complete dry monsoon and move Thermal Cycling.
Winter, closed type heat source system 3 operation principle, was shown in Fig. 1.
Describedly enter finned coil built-in medium module group F-2 in both sides from source pump evaporimeter R-1 cryogenic media through triplet commutation cold flow motor-driven valve 3-1, circulate with the clammy air of the outer fin contacts of finned coil built-in medium module group F-2 and form the heat exchanging process of adverse current gas-liquid, absorb and rise from the clammy heat source medium temperature in air, Cooling and Heat Source circulation driving pump S-1 loaded cycle energy is entered through triplet commutation thermal source motor-driven valve 3-2, enter source pump evaporimeter R-1 through four-way commutation heat source valve 3-3 and discharge the decline of low-temperature level sensible heat energy medium temperature, through four-way commutation cold flow valve 3-4, triplet commutation cold flow motor-driven valve 3-1 enters both sides finned coil built-in medium module group F-2 cyclic absorption again from the low-temperature level energy in air.Expansion tube magnetic valve 5-5 connects microcirculation expansion drum P-1 principle, and the system of playing stopped easily producing vapour lock for a long time and has automatic ventilating function.
Summer, open cooling system 4 operation principle, was shown in Fig. 2.
Cooling and Heat Source circulation driving pump S-1 loaded cycle energy is entered through triplet commutation low-temperature receiver valve 4-2 from circulating water chennel 4-1 cooling water in summer, enter source pump condenser R-2 through four-way commutation low-temperature receiver valve 4-3 and absorb the rising of sensible heat energy cooling water temperature, through four-way commutation hot-fluid valve 4-4, triplet commutation hot-fluid valve 4-5 enters crossing current tower water drenching device 4-6, high-temperature cooling water is evenly sprayed on external water body liquid film evaporation cooler F-1, forms liquid film by gravity at filling surface, normal temperature low humidity circulating air makes the low liquid film evaporation water temperature of liquid film surface water molecule Pressure Drop reduce and falls into cooling water water-collecting tray 1-2, enter circulating water chennel 4-1 formation in summer inner evaporation cooling.
Cross cold accumulation of heat defrosting system 5 operation principle, see Fig. 1.
Under winter, enclosed ran heat-obtaining working condition, under surrounding air negative temperature weather, the outer fin of the built-in medium module group F-2 of finned coil there will be frozen condition, the heat transfer property of fin will be affected, so compartment defrosting will be carried out run guarantee Systemic absorption low level heat source performance when frosting reaches certain thickness time.
Enter negative temperature accumulation of heat: described negative temperature detects storage heater 5-1 and detects that air themperature enters negative temperature output signal, thermal medium variable speed drives pump S-3 low rate start runs, heat storage medium enters thermal medium variable speed drives pump S-3 from accumulation of heat buffering sealant supplement cylinder P-1 liquid valve A mouth and loads circulated at low velocity energy, heat storage medium enters sensible heat and crosses cold economizer R-3(cooling refrigeration agent liquid and increase 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, S-3 is out of service for thermal medium variable speed drives pump.
Negative temperature 12 hours intervals defrosting: described negative temperature detects storage heater 5-1 and detects that air themperature enters negative temperature and exports timing signal, continue 12-24 hour (by setting value) in negative temperature, when in tower, detection of negative pressure defrosting unit 5-2 detects the negative pressure value of setting, system enters defrosting program.Defrosting hot-fluid motor-driven valve 5-3, cold flow motor-driven valve 5-4 open, accumulation of heat buffering sealant supplement cylinder P-1 thermal medium loads high-speed circulating energy through variable speed drives pump S-3 and enters finned coil built-in medium module group F-2 defrosting, cold medium is got back to accumulation of heat buffering sealant supplement cylinder P-1 through cold flow motor-driven valve 5-4 and is mixed with thermal medium in tank, after iterative cycles, accumulation of heat buffering sealant supplement cylinder P-1 medium temperature declines, finned coil built-in medium module group F-2 temperature rises and reaches setting value, defrosting EP (end of program).
Winter heat supply load system 6 operation principle, is shown in Fig. 1.
Described source pump condenser R-2 thermal medium enters load side heat exchanger Q-1 system through four-way commutation hot-fluid valve 6-1, decline to load side heat supply place release sensible heat energy medium temperature, enter source pump condenser R-2 heat absorption realize heat pump heat supply circulation through load side circulation driving pump S-2 loaded cycle energy, four-way commutation return valve 6-2.The circulatory system contains air and enters expansion drum P-2 through gas-water exhaust microcirculation, and circulatory mediator supplements and sucked by load side circulation driving pump S-2 entrance supplementary through expansion tube.
Cooling in summer load system 7 operation principle, is shown in Fig. 2.
The cold medium of described source pump evaporimeter R-1 enters load side heat exchanger Q-1 system through four-way commutation cold flow valve 7-1, after rising to load side refrigeration place release sensible heat energy medium temperature, enter load side circulation driving pump S-2 loaded cycle energy, enter source pump evaporimeter R-1 heat release through four-way commutation return valve 7-2 and realize refrigeration mechanism SAPMAC method.The circulatory system contains air and enters expansion drum P-2 through gas-water exhaust microcirculation, and circulatory mediator supplements and sucked by load side circulation driving pump S-2 entrance supplementary through expansion tube.
Claims (5)
1. commercial style open and close type heat source tower heat pump complexes, it comprises the tower enclosed structure of opening and closing, pneumatic recuperated cycle system, winter closed type heat source system, cross cold accumulation of heat defrosting system, summer open cooling system, Winter heat supply load system, cooling in summer load system forms, it is characterized in that, pneumatic recuperated cycle system, winter closed type heat source system, summer, open cooling system, crossed cold accumulation of heat defrosting system.
2. commercial style open and close type heat source tower heat pump complexes according to claim 1, described pneumatic recuperated cycle system, it is characterized in that, photocatalyst air intake grid is arranged in external water body liquid film evaporation cooler windward side, finned coil built-in medium module group to be arranged in after external water body liquid film evaporation cooler and to fix with tower body column truss structure, and pneumatic air heat-exchanger rig to be fixed on tower body above parallel truss structure.
3. commercial style open and close type heat source tower heat pump complexes according to claim 1, described closed type heat source system in winter, it is characterized in that, the outlet of triplet commutation cold flow motor-driven valve is connected by feed tube on pipeline respectively medium module group built-in with both sides finned coil, upper feed tube highest point is by pipeline and cold flow and be vented motor-driven valve and be connected, under the built-in medium module group of both sides finned coil, drain pipe is respectively by pipeline and the import of triplet commutation thermal source motor-driven valve, expansion tube electromagnetic valve outlet connects, accumulation of heat buffering sealant supplement cylinder liquid valve D mouth is connected by the import of pipeline expansion tube magnetic valve, the electronic valve outlet port of triplet commutation thermal source is connected with Cooling and Heat Source circulation driving pump entrance by pipeline, the outlet of Cooling and Heat Source circulation driving pump is connected by the heat source valve import that commutates of pipeline and four-way, the outlet of four-way commutation heat source valve is connected and is connected with source pump evaporator by pipeline, source pump evaporator outlet is connected by pipeline and the four-way cold flow valve that commutates, four-way commutation cold flow valve is connected with the import of triplet commutation cold flow motor-driven valve by pipeline.
4. commercial style open and close type heat source tower heat pump complexes according to claim 1, described open cooling system in summer, it is characterized in that, described summer, circulating water chennel was positioned at below cooling water water-collecting tray, summer, circulating water chennel delivery port was connected with triplet commutation low-temperature receiver valve inlet by pipeline, triplet commutation low-temperature receiver valve outlet port is connected with Cooling and Heat Source circulation driving pump entrance by pipeline, the outlet of Cooling and Heat Source circulation driving pump is connected by the low-temperature receiver valve import that commutates of pipeline and four-way, four-way commutation low-temperature receiver valve outlet port is connected with source pump condenser inlet by pipeline, source pump condensator outlet is connected by the hot-fluid valve import that commutates of pipeline and four-way, four-way commutation hot-fluid valve outlet port is connected with the import of triplet commutation hot-fluid valve by pipeline, triplet commutation hot-fluid valve outlet port is connected with crossing current tower water drenching device by pipeline, crossing current tower water drenching device is distributed in external water body liquid film evaporation cooler top, external water body liquid film evaporation cooler is installed on above cooling water water-collecting tray.
5. commercial style open and close type heat source tower heat pump complexes according to claim 1, the cold accumulation of heat defrosting system of described mistake, it is characterized in that, negative temperature detects storage heater and installs and air intake grid place, in tower, detection of negative pressure defrosting unit is installed on inside the built-in medium module group of finned coil, accumulation of heat buffering sealant supplement cylinder liquid valve A mouth is connected with hot fluid variable speed drives pump intake by pipeline, hot fluid variable speed drives pump discharge crosses cold economizer inlet respectively with sensible heat by pipeline and the import of defrosting hot-fluid motor-driven valve is connected, sensible heat is crossed the outlet of cold economizer and is cushioned sealant supplement cylinder by pipeline and accumulation of heat and return liquid valve B mouth and be connected, the outlet of defrosting hot-fluid motor-driven valve is connected by pipeline and finned coil built-in medium module group lower liquid outlet, in the built-in medium module group of finned coil, inlet is connected with the import of defrosting cold flow motor-driven valve by pipeline, the outlet of defrosting cold flow motor-driven valve cushions sealant supplement cylinder import C by pipeline and accumulation of heat and is connected.
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| CN107560032A (en) * | 2017-08-16 | 2018-01-09 | 刘秋克 | Overlapping open and close type heat source tower heat pump energy source station |
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