CN203068863U - Boiling regeneration type heat source tower heat pump system - Google Patents
Boiling regeneration type heat source tower heat pump system Download PDFInfo
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- CN203068863U CN203068863U CN201220511218XU CN201220511218U CN203068863U CN 203068863 U CN203068863 U CN 203068863U CN 201220511218X U CN201220511218X U CN 201220511218XU CN 201220511218 U CN201220511218 U CN 201220511218U CN 203068863 U CN203068863 U CN 203068863U
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- 230000008929 regeneration Effects 0.000 title claims abstract description 70
- 238000011069 regeneration method Methods 0.000 title claims abstract description 70
- 238000009835 boiling Methods 0.000 title claims abstract description 45
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 229940059936 lithium bromide Drugs 0.000 claims description 4
- 239000002352 surface water Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 4
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
The utility model discloses a boiling regeneration type heat source tower heat pump system. A heat source tower is respectively connected with a regulating valve I and a regulating valve II. The regulating valve I, a solution heat exchanger, a throttle valve I and a boiling type regenerator are sequentially connected with a solution pump, and the solution pump is further connected with the solution heat exchanger. The regulating valve II is connected with a cooling water pump, and the cooling water pump is respectively connected with an outdoor change-over valve set and the solution heat exchanger. The boiling type regenerator is connected with an external low-grade heat source. The outdoor change-over valve set is respectively connected with the solution heat exchanger, the heat source tower and an outdoor heat exchanger, and the outdoor heat exchanger is connected with a four-way reversing valve. The four-way reversing valve is respectively connected with a compressor and a port of an indoor heat exchanger. The port of the indoor heat exchanger is respectively connected with a throttle valve II and an indoor change-over valve set. The throttle valve II is respectively connected with a check valve I and a check valve II. The check valve II is connected with a condenser. The condenser is connected with the check valve I and the outdoor heat exchanger. A by-pass valve is respectively connected with the check valve II and the condenser.
Description
Technical field
The utility model relates to the Refrigeration ﹠ Air-Conditioning equipment technical field, especially a kind of boiling regeneration type heat source tower heat pump system.
Background technology
The water-cooled handpiece Water Chilling Units is a kind of very general configuration in the air-conditioning system, but but can not play a role in the winter time, in order to satisfy the thermic load needs, also need to acquire special heating system, as be equipped with boiler room or heat exchange station, and increased the initial cost of system to a certain extent, and not energy-conservation.If the employing air source heat pump system then do not need to dispose special heating system again, and system also has higher COP under the winter condition, but it is subjected to the puzzlement of frosting in winter problem easily.In recent years, the heat source tower heat pump system that has the scholar to propose to utilize the thermal source tower from air, to absorb heat under the heating condition in the winter time, and by verified its practical value in actual application in engineering.The heat source tower heat pump system has following some advantage, and the first, thus it can make its freezing point be lower than 0 ℃ by the concentration that changes circulation solution effectively to solve the frosting problem that exists in the air source heat pump; The second, heat source tower heat pump summer cooling, Winter heat supply make to have replaced special heating system by water-cooled handpiece Water Chilling Units dual-use, and bigger saving is arranged on initial cost and operating cost; The 3rd, the heat source tower heat pump system is easy to implement, newly-built still reconstruct in the air-conditioning system to adopt all have stronger feasibility.But heat source tower heat pump in the winter time under the operating mode during operation because circulation solution moisture absorption meeting reduces its concentration, therefore just need regenerate to solution for the running status of keeping system.Doctor Wen Xiantai of Southeast China University has proposed a kind of solution regeneration (application number 201010567051.4), namely adopt regeneration air and the solution of closed cycle to carry out the caloic exchange, regeneration air is lowered the temperature and dehumidify with evaporimeter, with the condensation heat heated solution of condenser discharging, the excessive moisture in the last solution is discharged with the condensed water form.Professor Chen Guangming of Zhejiang University has proposed another regeneration (application number 200910098008.5), namely utilize the subcooler heated solution of heat pump and contact with the regeneration air of open circulation, by regeneration air the excessive moisture in the solution is carried out system at last.These two kinds of regenerations have all adopted non-boiling formula regeneration, inherent defect with non-boiling formula regeneration, ie in solution has big potential difference when contacting with regeneration air, and the thermal regeneration air need expend more heat, in addition, for the former, evaporimeter also will be lowered the temperature to regeneration air except dehumidifying, and energy consumption is bigger; For the latter, utilize the subcooler heated solution can reduce heat pump COP, and evaporation latent heat discharge system with regeneration air, for the evaporimeter that under heating condition, is just needing thermal source, cause waste to a certain extent.For this reason, be necessary to develop a kind of inherent defect that can overcome non-boiling formula regeneration, to cut down the consumption of energy, enlarge low-grade heat source and utilize scope, simultaneously the energy is carried out the heat source tower heat pump system of cascade utilization, the utility model proposes for addressing the above problem.
The utility model content
The technical problems to be solved in the utility model provides a kind of boiling regeneration type heat source tower heat pump system, makes it have that energy consumption is low, low-grade heat source utilizes the wide characteristics of scope.
In order to solve the problems of the technologies described above, the utility model proposes a kind of boiling regeneration type heat source tower heat pump system, its specific implementation such as Fig. 1 comprise heat pump subsystem, thermal source tower subsystem and solution regeneration subsystem; The solution regeneration subsystem comprises control valve I, solution heat exchanger, choke valve I, boiling type regenerator, solution pump, condenser, condensation water tank and condensate pump; The heat pump subsystem comprises outdoor heat exchanger, four-way change-over valve, compressor, indoor heat exchanger, choke valve II, condenser, check valve I, check valve II and by-passing valve; Thermal source tower subsystem comprises thermal source tower, control valve II, cooling water pump, outdoor heat exchanger and outdoor conversion valve set; Be disposed with spray thrower, new wind passage and solution storage chamber in the described thermal source tower from top to bottom, described solution storage is provided with taphole in the chamber; Be provided with concentrated solution passage and weak solution passage in the described solution heat exchanger, the two ends of described concentrated solution passage are respectively arranged with concentrated solution import and concentrated solution outlet, and the two ends of described weak solution passage are respectively arranged with dilute solution inlet and weak solution outlet; The taphole in described solution storage chamber is divided into two-way, and one the tunnel is connected with the control valve I, and one the tunnel is connected with the control valve II; Described control valve I also is connected with the dilute solution inlet of solution heat exchanger, the weak solution outlet of solution heat exchanger is connected with the choke valve I, the choke valve I is connected with the dilute solution inlet of boiling type regenerator, the concentrated solution outlet of boiling type regenerator is connected with solution pump, and solution pump is connected with the concentrated solution import of solution heat exchanger; Described boiling type regenerator is connected with outside low-grade heat source; Described control valve II also is connected with cooling water pump; Cooling water pump is connected with the concentrated solution outlet of outdoor conversion valve set and solution heat exchanger respectively; Described outdoor conversion valve set is connected with concentrated solution outlet, spray thrower and the outdoor heat exchanger of solution heat exchanger respectively; Described outdoor heat exchanger is connected with four-way change-over valve; Described four-way change-over valve is connected with the indoor heat exchanger port with compressor respectively; Described indoor heat exchanger port is connected with the choke valve II; Described indoor heat exchanger port also is connected with indoor conversion valve set; Described choke valve II is connected with the liquid outlet of check valve I and the inlet of check valve II respectively; The liquid outlet of described check valve II is connected with the solution inlet port of condenser; The taphole of described condenser is connected with inlet and the outdoor heat exchanger of check valve I respectively; Described by-passing valve is connected with the inlet of check valve II and the taphole of condenser respectively; Above-described heat pump subsystem is by outdoor heat exchanger and the coupling of thermal source tower subsystem, by condenser and the coupling of solution regeneration subsystem.
As the improvement to boiling regeneration type heat source tower heat pump of the present utility model system: be provided with stop valve I, stop valve II, stop valve III, stop valve IV in the described outdoor conversion valve set; After being connected successively, described stop valve I, stop valve II, stop valve III and stop valve IV form series loop, the solution that is provided with outdoor conversion valve set between stop valve II and stop valve III is imported and exported IV, the solution that is provided with outdoor conversion valve set between stop valve I and stop valve IV is imported and exported I, the solution that is provided with outdoor conversion valve set between stop valve I and stop valve II is imported and exported II, and the solution that is provided with outdoor conversion valve set between stop valve III and stop valve IV is imported and exported III; Be provided with stop valve I, stop valve II, stop valve III and stop valve IV in the described indoor conversion valve set; After being connected successively, described stop valve I, stop valve II, stop valve III and stop valve IV form series loop, the solution that is provided with outdoor conversion valve set between stop valve II and stop valve III is imported and exported III, the solution that is provided with outdoor conversion valve set between stop valve I and stop valve IV is imported and exported II, the solution that is provided with outdoor conversion valve set between stop valve I and stop valve II is imported and exported I, and the solution that is provided with outdoor conversion valve set between stop valve III and stop valve IV is imported and exported IV; Described outdoor heat exchanger is provided with outdoor heat exchanger port I, outdoor heat exchanger port II, outdoor heat exchanger port III and outdoor heat exchanger port IV; Described indoor heat exchanger is provided with indoor heat exchanger port I, indoor heat exchanger port II, indoor heat exchanger port III and indoor heat exchanger port IV; Described four-way change-over valve is provided with four-way change-over valve port I, four-way change-over valve port II, four-way change-over valve port III and four-way change-over valve port IV; The solution of described outdoor conversion valve set is imported and exported I and is connected with spray thrower, the solution of described outdoor conversion valve set is imported and exported II and is connected with outdoor heat exchanger port III, the solution of outdoor conversion valve set is imported and exported III and is connected with outdoor heat exchanger port IV, the solution of described outdoor conversion valve set is imported and exported IV and is connected with the concentrated solution outlet of cooling water pump and solution heat exchanger respectively, outdoor heat exchanger port I is connected with four-way change-over valve port I, the exhaust outlet of described compressor is connected with four-way change-over valve port IV, the air entry of compressor is connected with four-way change-over valve port II, four-way change-over valve port III is connected with indoor heat exchanger port I, indoor heat exchanger port II is connected with the choke valve II, the inlet of check valve I is connected with taphole and the outdoor heat exchanger port II of condenser respectively, indoor heat exchanger port III is imported and exported II with the solution of outdoor conversion valve set and is connected, indoor heat exchanger port IV is imported and exported III with the solution of outdoor conversion valve set and is connected, and the solution import and export IV that the solution of outdoor conversion valve set is imported and exported I and outdoor conversion valve set is connected with water inlet with the delivery port of low-grade heat source respectively.
As the further improvement to boiling regeneration type heat source tower heat pump of the present utility model system: described low-grade heat source from surface water, underground water, pipe laying heat-exchange system, solar water heating system or other waste heat source.
As the further improvement to boiling regeneration type heat source tower heat pump of the present utility model system: the working medium in the thermal source tower subsystem can adopt calcium chloride solution or lithium-bromide solution.
This system adopts the boiling type regeneration, utilize low-grade heat source that circulation solution is regenerated, and with the coupling of condenser and evaporimeter, have that heat source temperature is less demanding, low-grade heat source utilize scope wide, regulate flexibly, characteristics that feasibility is strong, be easy to apply.
The utility model is compared with existing heat source tower heat pump system, has the following advantages:
1) heat pump subsystem and solution regeneration subsystem are coupled by condenser, and the latent heat of the water vapour of separating out when having reclaimed regeneration has reduced heat demand to the thermal source tower by cascaded utilization of energy, and the solution hygroscopic capacity is reduced, and having reduced regeneration and having loaded.
2) moisture in the solution is separated out by inner evaporation mode in the boiling type regenerator, have stronger mass transfer effect and needn't rely on than the surface evaporation mode in the non-boiling formula regenerator and improve solution temperature and keep potential difference between solution and regeneration air, therefore can reduce the requirement to the low-grade heat source temperature, enlarge the scope of utilizing of low-grade heat source to a certain extent.
3) owing to adopted the boiling type regeneration, avoided the heat that heating consumes to regeneration air in the regeneration of non-boiling formula, therefore under the same regeneration amount, the heat of the low-grade heat source that consumes still less, the regeneration efficiency of system is higher.
Description of drawings
Fig. 1 is the system flow chart of boiling regeneration type heat source tower heat pump of the present utility model;
Fig. 2 is the structural representation of outdoor conversion valve set 19 among Fig. 1;
Fig. 3 is the structural representation of indoor conversion valve set 20 among Fig. 1.
The specific embodiment
Embodiment 1, Fig. 1 have provided a kind of boiling regeneration type heat source tower heat pump system; Comprise heat pump subsystem, thermal source tower subsystem and solution regeneration subsystem; The solution regeneration subsystem comprises that control valve I 2, solution heat exchanger 3, choke valve I 4, boiling type regenerator 5, solution increase pump 6, condenser 10, condensation water tank 11 and condensate pump 12; The heat pump subsystem comprises outdoor heat exchanger 7, four-way change-over valve 14, compressor 15, indoor heat exchanger 16, choke valve II 13, condenser 10, check valve I 18, check valve II 17 and by-passing valve 21; Thermal source tower subsystem comprises thermal source tower 1, control valve II 8, circulating pump 9, outdoor heat exchanger 7 and outdoor conversion valve set 19.There is coupled relation in above-described three subsystems, and namely the heat pump subsystem is coupled by outdoor heat exchanger 7 and thermal source tower subsystem, and by condenser 10 and the coupling of solution regeneration subsystem.
Be disposed with spray thrower, new wind passage and solution storage chamber in the thermal source tower 1 from top to bottom, described solution storage is provided with taphole in the chamber; Be provided with concentrated solution passage and weak solution passage in the solution heat exchanger 3, the two ends of described concentrated solution passage are respectively arranged with concentrated solution import and concentrated solution outlet, and the two ends of described weak solution passage are respectively arranged with dilute solution inlet and weak solution outlet; Outdoor conversion valve set 19 comprises stop valve I 191, stop valve II 192, stop valve III 193 and stop valve IV 194, stop valve I 191, stop valve II 192, stop valve III 193 is connected successively with stop valve IV 194 and afterwards forms series loop, passage between stop valve II 192 and the stop valve III 193 is provided with the solution of outdoor conversion valve set 19 and imports and exports IV, passage between stop valve I 191 and the stop valve IV 194 is provided with the solution of outdoor conversion valve set 19 and imports and exports I, passage between stop valve I 191 and the stop valve II 192 is provided with the solution of outdoor conversion valve set 19 and imports and exports II, and the passage between stop valve III 193 and the stop valve IV 194 is provided with the solution of outdoor conversion valve set 19 and imports and exports III.Indoor conversion valve set 20 comprises stop valve I 201, stop valve II 202, stop valve III 203 and stop valve IV 204, stop valve I 201, stop valve II 202, stop valve III 203 is connected successively with stop valve IV 204 and afterwards forms series loop, passage between stop valve II 202 and the stop valve III 203 is provided with the solution of outdoor conversion valve set 20 and imports and exports III, the have family solution of external conversion valve group 20 of the passage that arranges between stop valve I 201 and stop valve IV 204 is imported and exported II, passage between stop valve I 201 and the stop valve II 202 is provided with the solution of outdoor conversion valve set 20 and imports and exports I, and the passage between stop valve III 203 and the stop valve IV 204 is provided with the solution of outdoor conversion valve set 20 and imports and exports IV.Outdoor heat exchanger 7 is provided with outdoor heat exchanger port I 71, outdoor heat exchanger port II 72, outdoor heat exchanger port III 73 and outdoor heat exchanger port IV 74; Indoor heat exchanger 16 is provided with indoor heat exchanger port I 161, indoor heat exchanger port II 162, indoor heat exchanger port III 163 and indoor heat exchanger port IV 164; Four-way change-over valve 14 is provided with four-way change-over valve port I 141, four-way change-over valve port II 142, four-way change-over valve port III 143 and four-way change-over valve port IV 144; The taphole in solution storage chamber is divided into two-way, and one the tunnel is connected with control valve I 2, and one the tunnel is connected with control valve II 8; Concrete connection is as follows:
Wherein one the tunnel: control valve I 2 is connected with the dilute solution inlet of solution heat exchanger 3, the weak solution outlet of solution heat exchanger 3 is connected with choke valve I 4, choke valve I 4 is connected with the dilute solution inlet of boiling type regenerator 5, concentrated solution outlet and the solution of boiling type regenerator 5 increase pump 6 and are connected, and solution increases pump 6 and is connected with the concentrated solution import of solution heat exchanger 3;
Other one the tunnel: control valve II 8 is connected with circulating pump 9; Circulating pump 9 is connected with the concentrated solution outlet of solution heat exchanger 3 and the solution import and export IV of outdoor conversion valve set 19 respectively, and the solution of outdoor conversion valve set 19 is imported and exported IV and is connected with the concentrated solution outlet of solution heat exchanger 3.
The solution of outdoor conversion valve set 19 is imported and exported I and is connected with spray thrower.The solution of outdoor conversion valve set 19 is imported and exported II and is connected with outdoor heat exchanger port III 73, the solution of outdoor conversion valve set 19 is imported and exported III and is connected with outdoor heat exchanger port IV 74, outdoor heat exchanger port I 71 is connected with four-way change-over valve port I 141, four-way change-over valve port II 142 forms the loop by compressor 15 and four-way change-over valve port IV 144, and (exhaust outlet of compressor 15 is connected with four-way change-over valve port IV 144, the air entry of compressor 15 is connected with four-way change-over valve port II 142), four-way change-over valve port III 143 is connected with indoor heat exchanger port I 161, indoor heat exchanger port II 162 is connected with choke valve II 13, choke valve II 13 is connected with the liquid outlet of check valve I 18 and the inlet of check valve II 17 respectively, the liquid outlet of check valve II 17 is connected with the solution inlet port of condenser 10, the inlet of check valve I 18 is connected with taphole and the outdoor heat exchanger port II 72 of condenser 10 respectively, links to each other by by-passing valve 21 at the taphole of check valve II 17 and condenser 10.
Boiling type regenerator 5 is provided with port I 51 and port II 52, by the port I 51 of boiling type regenerator 5 and the port II 52 of boiling type regenerator 5, can link to each other with the import and export of outside low-grade heat source supply system.Indoor heat exchanger port III 163 is imported and exported II with the solution of outdoor conversion valve set 20 and is connected, and the solution of indoor heat exchanger port IV 164 and outdoor conversion valve set 20 is imported and exported III and is connected.The solution import and export I that the solution of indoor conversion valve set 20 is imported and exported IV and outdoor conversion valve set 20 links to each other with delivery port with the water inlet of outside cooling (heat) system respectively.
The above outside low-grade heat source can from surface water, underground water, pipe laying heat-exchange system, solar water heating system or other waste heat source.
When the above heat pump subsystem is worked under heating mode, stop valve V 201 and stop valve VII 203 are closed, stop valve VI 202 and stop valve VIII 204 are opened, the hot water backwater who comes out from outside heating system enters in the indoor heat exchanger 16 from indoor heat exchanger port IV 164, flow out from indoor heat exchanger port III 163, hot water carries out countercurrent flow with cryogen in indoor heat exchanger 16 again.When the heat pump subsystem is worked under cooling condition, stop valve V 201 and stop valve VII 203 are opened, stop valve VI 202 and stop valve VIII 204 are closed, the cold-water return of coming out from outside cold supply system enters from indoor heat exchanger port III 163, flow out from indoor heat exchanger port IV 164, in indoor heat exchanger 16, carry out countercurrent flow with cryogen.
When described thermal source tower subsystem is worked, be divided into two kinds of mode of operations again under heating mode, i.e. general modfel and regeneration mode and under two kinds of patterns, switch.Under the general modfel, control valve II 8 and circulating pump 9 are opened, the solution regeneration subsystem keeps closing simultaneously, along with solution constantly absorbs airborne water vapour and concentration when being reduced to a certain degree in the thermal source tower, then enter regeneration mode, at this moment, control valve II 8 and circulating pump 9 are closed, the solution regeneration subsystem is opened and is carried out solution regeneration simultaneously, when solution concentration is elevated to a certain degree, then switches to general modfel again.Under heating mode, stop valve I 191 and stop valve III 193 keep closing, stop valve II 192 and stop valve IV 194 stay open, the solution that comes out from thermal source tower 1 is in outdoor heat exchanger port III 73 inlet chamber external heat exchangers 7, flow out from outdoor heat exchanger port IV 74, solution carries out countercurrent flow with cryogen in outdoor heat exchanger 7 again.
When described thermal source tower subsystem was worked under refrigeration mode, control valve II 8 and circulating pump 9 were opened, and the solution regeneration subsystem keeps closing, and the function of thermal source tower 1 namely is equivalent to common cooling tower.Stop valve I 191 and stop valve III 193 are opened, stop valve II 192 and stop valve IV 194 are closed, from thermal source tower 1(by the cooling tower mode operation) cooling water that comes out is in outdoor heat exchanger port IV 74 inlet chamber external heat exchangers 7, flow out from outdoor heat exchanger port III 73, cooling water carries out countercurrent flow with cryogen in outdoor heat exchanger 7 again.
During the work of solution regeneration subsystem, boiling type regenerator 5, condenser 10, condensation water tank 11 are the negative pressure operation.Thermal source tower subsystem and the working medium of solution regeneration subsystem under heating mode are calcium chloride solution or lithium-bromide solution, and its freezing point should more outdoor design environment temperature be hanged down 10 ℃ than the winter.The working medium of thermal source tower subsystem under refrigeration mode is water.
The concrete job step of boiling regeneration type heat source tower heat pump system of the present utility model when reality is used is as follows:
A, under heating mode, be divided into two kinds of mode of operations, i.e. general modfel and regeneration mode and under two kinds of patterns, switch.Under the general modfel, control valve II 8 and circulating pump 9 are opened, the solution regeneration subsystem keeps closing simultaneously, along with solution constantly absorbs airborne water vapour and concentration when being reduced to a certain degree in the thermal source tower, then enter regeneration mode, at this moment, control valve II 8 and circulating pump 9 are closed, the solution regeneration subsystem is opened and is carried out solution regeneration simultaneously, when solution concentration is elevated to a certain degree, then switches to general modfel again.Heat pump subsystem and thermal source tower subsystem remain operation under the heating mode.The heat pump subsystem is by heating the endless form operation, working medium is calcium chloride solution or lithium-bromide solution in the thermal source tower subsystem, stop valve I 191 and stop valve III 193 are closed, stop valve II 192 and stop valve IV 194 are opened, stop valve V 201 and stop valve VII 203 are closed, and stop valve VI 202 and stop valve VIII 204 are opened.Concrete steps are as follows:
1, solution regeneration subsystem cyclic process:
1.1, under regeneration mode, solution regeneration subsystem maintenance work, weak solution flows out from the taphole in solution storage chamber, weak solution passage in control valve I 2, solution heat exchanger 3(solution heat exchanger 3) flows in the boiling type regenerator 5 (when weak solution is passed through control valve I 2, by control valve I 2 pressure being reduced to negative pressure) and after the choke valve I 4;
1.2, the port I by boiling type regenerator 5 51 introduces the low-grade heat source that outside low-grade heat source supply system derives;
1.3, after weak solution absorbs the heat of low-grade heat source, the part water evaporates in the weak solution, weak solution is condensed into concentrated solution; Port II 52 by boiling type regenerator 5 again will have been absorbed the low-grade heat source behind the heat by weak solution and lead and get back in the outside low-grade heat source supply system;
1.4, concentrated solution flows out from boiling type regenerator 5, and be forced into more than the normal pressure through solution booster pump I 6, and enter concentrated solution passage in the solution heat exchanger 3(solution heat exchanger 3) in; At this moment, the liquid heat exchange in concentrated solution passage and the weak solution passage, the heat that is about to concentrated solution in the concentrated solution passage is transmitted on the interior weak solution of weak solution passage;
1.5, from boiling type regenerator 5 evaporation water vapour flow to condenser 10, become condensed water after in condenser 10, emitting condensation latent heat and enter storage in the condensation water tank 11, condensate pump 12 is by the liquid level control of condensation water tank 10, when the condensed water of storage in the condensation water tank 10 is too much, discharge condensed water pressurization back extraneous with regard to open cold condensate pump 12.
2, thermal source tower subsystem cyclic process:
2.1 concentrated solution sprays out from the spray thrower of thermal source tower 1, outdoor air carries out the caloic exchange with concentrated solution during by new wind passage, and the concentrated solution temperature is raise, and after the concentration thinning (namely having become weak solution), has fallen in the solution storage chamber;
2.2 weak solution flows out from the taphole in solution storage chamber, if be the general modfel operation this moment, then weak solution flows in the outdoor heat exchanger 7 by outdoor heat exchanger port III 73 by stop valve II 192 through control valve II 8 and circulating pump 9 again; If be the regeneration operational mode this moment, then weak solution concentrates regeneration by regeneration subsystem, the passage of the concentrated solution of concentrated solution in the solution heat exchanger 3(solution heat exchanger 3) flows out in, flow in the outdoor heat exchangers 7 by outdoor heat exchanger port III 73 by stop valve II 192;
2.3, concentrated solution in outdoor heat exchanger 7, after the heat release of low-temp low-pressure refrigerant vapour, temperature reduces, and flows in the spray thrower through stop valve IV 194 by outdoor heat exchanger port IV 74 again, carries out step 1 again to the circulation of step 2.
3, the cyclic process of heat pump subsystem:
3.1, after the HTHP refrigerant vapour passes through four-way change-over valve port IV 144 and four-way change-over valve port III 143 successively from the exhaust outlet of compressor 15, flow in the indoor heat exchangers 16 by indoor heat exchanger port I 161 again;
3.2, the HTHP refrigerant vapour emits condensation heat and heats outside heating system backwater in indoor heat exchanger 16, become high temperature high pressure liquid;
3.3, high temperature high pressure liquid through indoor heat exchanger port II 162 by becoming low-temp low-pressure liquid after the choke valve II 13; (according to the character of cryogen, high temperature high pressure liquid is cooled to low-temp low-pressure liquid naturally in indoor heat exchanger port II 162 flows to the process of choke valve II 13, such effect will appear after the cold-producing medium throttling, being equivalent to step-down makes lower amount of refrigerant liquid evaporate, the heat of evaporation can only be lowered the temperature to provide by cold-producing medium, so just make cold-producing medium become low-temp low-pressure liquid);
3.4, if under general operational mode, by-passing valve 21 is opened, this moment, most low-temp low-pressure liquid flow to the taphole of condenser 10 by by-passing valve 21, has only a small amount of low-temp low-pressure liquid condenser 10 of flowing through, two strands of low-temp low-pressure liquid converge at the taphole of condenser 10, vaporize after in outdoor heat exchanger port II 72 inlet chamber external heat exchangers 7, absorbing the concentrated solution sensible heat from thermal source tower 1, become low-temp low-pressure gas; If under the regeneration operational mode, by-passing valve 21 cuts out, then all low-temp low-pressure liquid enters condenser 10 through check valve II 17, absorb the latent heat that water vapour is emitted, the evaporation of part cryogen becomes low-temp low-pressure gas (low-temp low-pressure gas becomes high temperature and high pressure gas through behind the compressor) by absorbing from further vaporization behind the concentrated solution sensible heat of thermal source tower 1 in the outdoor heat exchanger port II 72 inlet chamber external heat exchangers 7.Low-temp low-pressure gas flows out from outdoor heat exchanger port I 71, enters the air entry of compressor 15 then successively by four-way change-over valve port I 141 and four-way change-over valve port II 142.
B, under refrigeration mode, heat pump subsystem, thermal source tower subsystem all keep the operation, the solution regeneration subsystem is closed, the heat pump subsystem moves by the kind of refrigeration cycle mode, thermal source tower 1 is pressed the cooling tower mode operation, working medium is water in the system.Control valve II 8 and circulating pump 9 are opened, and control valve I 2 is closed, and stop valve I 191 and stop valve III 193 are opened, and stop valve II 192 and stop valve IV 194 are closed, and stop valve V 201 and stop valve VII 203 are opened, and stop valve VI 202 and stop valve VIII 204 are closed.Concrete steps are as follows:
1, thermal source tower subsystem cyclic process under the refrigeration mode:
1.1, water sprays out from the spray thrower of thermal source tower 1, outdoor air carries out the caloic exchange with water during by new wind passage, and the temperature of water is reduced;
1.2, water flows out from the taphole in solution storage chamber, through control valve II 8 and circulating pump 9, again by after the stop valve III 193, flows into outdoor heat exchangers 7 through outdoor heat exchanger port IV 74;
1.3, water absorbs HTHP refrigerant vapour liberated heat in outdoor heat exchanger 7 after, the temperature of water raises, and comes back in the thermal source tower 1 to carry out the caloic exchange with air again.
2, the cyclic process of heat pump subsystem under the refrigeration mode:
2.1, the HTHP refrigerant vapour flows in the outdoor heat exchangers 7 by outdoor heat exchanger port I 71 through four-way change-over valve port IV 144 and four-way change-over valve port I 141 successively from compressor 15 exhaust outlets;
2.2, the HTHP refrigerant vapour becomes high temperature high pressure liquid emit condensation heat in outdoor heat exchanger 7 after, successively by becoming low-temp low-pressure liquid after check valve II 18, the choke valve II 13, enters indoor heat exchanger 16 by indoor heat exchanger port II 162 more again;
2.3, low-temp low-pressure liquid vaporizes after absorbing the sensible heat of outside cold supply system cold-water return, (the gas here is the low-temp low-pressure gas that becomes after the heat absorption of low-temp low-pressure liquid to become low-temp low-pressure gas, it is exactly a phase transition process, temperature is constant substantially), then through indoor heat exchanger port I 161 successively by after four-way change-over valve port III 143 and the four-way change-over valve port II 142, enter in the compressor 15 from the air entry of compressor 15.
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Claims (4)
1. the regeneration type that seethes with excitement heat source tower heat pump system; It is characterized in that: comprise heat pump subsystem, thermal source tower subsystem and solution regeneration subsystem;
The solution regeneration subsystem comprises control valve I (2), solution heat exchanger (3), choke valve I (4), boiling type regenerator (5), solution pump (6), condenser (10), condensation water tank (11) and condensate pump (12);
The heat pump subsystem comprises outdoor heat exchanger (7), four-way change-over valve (14), compressor (15), indoor heat exchanger (16), choke valve II (13), condenser (10), check valve I (18), check valve II (17) and by-passing valve (21);
Thermal source tower subsystem comprises thermal source tower (1), control valve II (8), cooling water pump (9), outdoor heat exchanger (7) and outdoor conversion valve set (19);
Be disposed with spray thrower, new wind passage and solution storage chamber in the described thermal source tower (1) from top to bottom, described solution storage is provided with taphole in the chamber;
Be provided with concentrated solution passage and weak solution passage in the described solution heat exchanger (3), the two ends of described concentrated solution passage are respectively arranged with concentrated solution import and concentrated solution outlet, and the two ends of described weak solution passage are respectively arranged with dilute solution inlet and weak solution outlet;
The taphole in described solution storage chamber is divided into two-way, and one the tunnel is connected with control valve I (2), and one the tunnel is connected with control valve II (8);
Described control valve I (2) also is connected with the dilute solution inlet of solution heat exchanger (3), the weak solution outlet of solution heat exchanger (3) is connected with choke valve I (4), choke valve I (4) is connected with the dilute solution inlet of boiling type regenerator (5), the concentrated solution outlet of boiling type regenerator (5) is connected with solution pump (6), and solution pump (6) is connected with the concentrated solution import of solution heat exchanger (3); Described boiling type regenerator (5) is connected with outside low-grade heat source;
Described control valve II (8) also is connected with cooling water pump (9); Cooling water pump (9) is connected with the concentrated solution outlet of outdoor conversion valve set (19) and solution heat exchanger (3) respectively;
Described outdoor conversion valve set (19) is connected with concentrated solution outlet, spray thrower and the outdoor heat exchanger (7) of solution heat exchanger (3) respectively;
Described outdoor heat exchanger (7) is connected with four-way change-over valve (14);
Described four-way change-over valve (14) is connected with indoor heat exchanger port (16) with compressor (15) respectively;
Described indoor heat exchanger port (16) is connected with choke valve II (13); Described indoor heat exchanger port (16) also is connected with indoor conversion valve set (20);
Described choke valve II (13) is connected with the liquid outlet of check valve I (18) and the inlet of check valve II (17) respectively;
The liquid outlet of described check valve II (17) is connected with the solution inlet port of condenser (10);
The taphole of described condenser (10) is connected with inlet and the outdoor heat exchanger (7) of check valve I (18) respectively;
Described by-passing valve (21) is connected with the inlet of check valve II (17) and the taphole of condenser (10) respectively; Described heat pump subsystem is by outdoor heat exchanger (7) and the coupling of thermal source tower subsystem, and described heat pump subsystem again
By condenser (10) and the coupling of solution regeneration subsystem.
2. boiling regeneration type heat source tower heat pump according to claim 1 system; It is characterized in that: be provided with stop valve I (191), stop valve II (192), stop valve III (193), stop valve IV (194) in the described outdoor conversion valve set (19);
Described stop valve I (191), stop valve II (192), stop valve III (193) is connected successively with stop valve IV (194) and afterwards forms series loop, the solution that is provided with outdoor conversion valve set (19) between stop valve II (192) and stop valve III (193) is imported and exported IV, the solution that is provided with outdoor conversion valve set (19) between stop valve I (191) and stop valve IV (194) is imported and exported I, the solution that is provided with outdoor conversion valve set (19) between stop valve I (191) and stop valve II (192) is imported and exported II, and the solution that is provided with outdoor conversion valve set (19) between stop valve III (193) and stop valve IV (194) is imported and exported III;
Be provided with stop valve I (201), stop valve II (202), stop valve III (203) and stop valve IV (204) in the described indoor conversion valve set (20);
Described stop valve I (201), stop valve II (202), stop valve III (203) is connected successively with stop valve IV (204) and afterwards forms series loop, the solution that is provided with outdoor conversion valve set (20) between stop valve II (202) and stop valve III (203) is imported and exported III, the solution that is provided with outdoor conversion valve set (20) between stop valve I (201) and stop valve IV (204) is imported and exported II, the solution that is provided with outdoor conversion valve set (20) between stop valve I (201) and stop valve II (202) is imported and exported I, and the solution that is provided with outdoor conversion valve set (20) between stop valve III (203) and stop valve IV (204) is imported and exported IV;
Described outdoor heat exchanger (7) is provided with outdoor heat exchanger port I (71), outdoor heat exchanger port II (72), outdoor heat exchanger port III (73) and outdoor heat exchanger port IV (74);
Described indoor heat exchanger (16) is provided with indoor heat exchanger port I (161), indoor heat exchanger port II (162), indoor heat exchanger port III (163) and indoor heat exchanger port IV (164);
Described four-way change-over valve (14) is provided with four-way change-over valve port I (141), four-way change-over valve port II (142), four-way change-over valve port III (143) and four-way change-over valve port IV (144);
The solution of described outdoor conversion valve set (19) is imported and exported I and is connected with spray thrower, the solution of described outdoor conversion valve set (19) is imported and exported II and is connected with outdoor heat exchanger port III (73), the solution of outdoor conversion valve set (19) is imported and exported III and is connected with outdoor heat exchanger port IV (74), the solution of described outdoor conversion valve set (19) is imported and exported IV and is connected with the concentrated solution outlet of cooling water pump (9) and solution heat exchanger (3) respectively, outdoor heat exchanger port I (71) is connected with four-way change-over valve port I (141), the exhaust outlet of described compressor (15) is connected with four-way change-over valve port IV (144), the air entry of compressor (15) is connected with four-way change-over valve port II (142), four-way change-over valve port III (143) is connected with indoor heat exchanger port I (161), indoor heat exchanger port II (162) is connected with choke valve II (13), the inlet of check valve I (18) is connected with taphole and the outdoor heat exchanger port II (72) of condenser (10) respectively, indoor heat exchanger port III (163) is imported and exported II with the solution of outdoor conversion valve set (20) and is connected, indoor heat exchanger port IV (164) is imported and exported III with the solution of outdoor conversion valve set (20) and is connected, and the solution import and export IV that the solution of outdoor conversion valve set (20) is imported and exported I and outdoor conversion valve set (20) is connected with water inlet with the delivery port of low-grade heat source respectively.
3. boiling regeneration type heat source tower heat pump according to claim 2 system; It is characterized in that: described low-grade heat source can from surface water, underground water, pipe laying heat-exchange system or solar water heating system.
4. boiling regeneration type heat source tower heat pump according to claim 3 system; It is characterized in that: the working medium in the thermal source tower subsystem can adopt calcium chloride solution or lithium-bromide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220511218XU CN203068863U (en) | 2012-09-29 | 2012-09-29 | Boiling regeneration type heat source tower heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220511218XU CN203068863U (en) | 2012-09-29 | 2012-09-29 | Boiling regeneration type heat source tower heat pump system |
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| CN203068863U true CN203068863U (en) | 2013-07-17 |
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| CN201220511218XU Expired - Lifetime CN203068863U (en) | 2012-09-29 | 2012-09-29 | Boiling regeneration type heat source tower heat pump system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853576A (en) * | 2012-09-29 | 2013-01-02 | 浙江理工大学 | Boiling regeneration type heat pump system for heat source tower |
| CN103438614A (en) * | 2013-09-02 | 2013-12-11 | 东南大学 | Solution regenerating device achieving controllable condensation based on vacuum boiling |
| CN103438613A (en) * | 2013-09-02 | 2013-12-11 | 东南大学 | Compound integrated heat source tower heat pump device |
| CN103644677A (en) * | 2013-12-05 | 2014-03-19 | 东南大学 | Solution regeneration device based on throttling flash and capable of realizing self-balance of regenerated energy |
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
| CN104266405A (en) * | 2014-09-24 | 2015-01-07 | 浙江理工大学 | Heat-pump multiple-effect regenerative heat source tower heat pump system and method |
-
2012
- 2012-09-29 CN CN201220511218XU patent/CN203068863U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853576A (en) * | 2012-09-29 | 2013-01-02 | 浙江理工大学 | Boiling regeneration type heat pump system for heat source tower |
| CN102853576B (en) * | 2012-09-29 | 2014-11-26 | 浙江理工大学 | Boiling regeneration type heat pump system for heat source tower |
| CN103438614A (en) * | 2013-09-02 | 2013-12-11 | 东南大学 | Solution regenerating device achieving controllable condensation based on vacuum boiling |
| CN103438613A (en) * | 2013-09-02 | 2013-12-11 | 东南大学 | Compound integrated heat source tower heat pump device |
| WO2015027571A1 (en) * | 2013-09-02 | 2015-03-05 | 东南大学 | Vacuum boiling-based solution regeneration apparatus for implementing controllable condensation |
| CN103438613B (en) * | 2013-09-02 | 2015-05-13 | 东南大学 | Compound integrated heat source tower heat pump device |
| CN103438614B (en) * | 2013-09-02 | 2015-08-26 | 东南大学 | The controlled regenerative device of solution of condensation is also realized based on vacuum boiling |
| CN103644677A (en) * | 2013-12-05 | 2014-03-19 | 东南大学 | Solution regeneration device based on throttling flash and capable of realizing self-balance of regenerated energy |
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
| CN103822405B (en) * | 2014-03-13 | 2015-10-28 | 哈尔滨工业大学 | Wall type scrubbing scale removal heat-exchange integrated native sewage water heat pump energy lift device |
| CN104266405A (en) * | 2014-09-24 | 2015-01-07 | 浙江理工大学 | Heat-pump multiple-effect regenerative heat source tower heat pump system and method |
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