CN103411352A - Heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling - Google Patents
Heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling Download PDFInfo
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- 238000009835 boiling Methods 0.000 title claims abstract description 92
- 230000008929 regeneration Effects 0.000 title claims abstract description 44
- 238000011069 regeneration method Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 239000003507 refrigerant Substances 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/06—Air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/002—Compression machines, plants or systems with reversible cycle not otherwise provided for geothermal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/004—Outdoor unit with water as a heat sink or heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0254—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in series arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling. The heat source tower heat pump device comprises a refrigerant loop, a solution loop, a vacuum maintaining loop, an air loop, a regeneration solution heating loop and a cold and hot water loop. According to the heat source tower heat pump device, the characteristic of solution boiling point depression in vacuum is fully utilized for solution regeneration, on the premise that heating operation of a heat pump system is not influenced, heat of subcooling of system liquid refrigerants is used as solution regeneration heat, the solution regeneration problem of the heat source tower heat pump system is completely solved, reliability of heating operation of the heat source tower heat pump system in winter is improved, and system comprehensive high efficiency is achieved.
Description
Technical field
The invention belongs to refrigerated air-conditioning system Design and manufacture field, relate to a kind of heat source tower heat pump device that utilizes the cold-producing medium heat of subcooling to realize the regeneration of solution low-pressure boiled.
Background technology
In recent years, southern heating problem receives increasing concern, has become the focus subject under discussion that concerns the social people's livelihood.Along with the raising of people's living standard, China Xia Redong cryogenic region, winter is all more and more higher to the requirement of heating duration and comfortableness aspect, and the winter heating energy consumption increases sharply.
Build in existing conventional air-conditioning cold heat source plan, air source heat pump efficiency when freezing summer is lower, during winter heating, has the frosting problem; Handpiece Water Chilling Units+boiler scheme is in the winter time during heat supply, and handpiece Water Chilling Units is idle, adopts boiler combustion oil or natural gas heat supply, exist the primary energy utilization ratio low wait not enough; Water earth source heat pump scheme is subjected to the restriction of geographical geological conditions.The heat source tower heat pump scheme is a kind of novel building cold heat source plan developed for these deficiencies, it solves the demand of building refrigeration in summer, heat supply in winter simultaneously by a set of unit, and the many deficiencies that can avoid building conventional cold heat source plan, be a kind of novel building cold heat source plan with development prospect.
The heat source tower heat pump system is in the winter time during heating operation, utilize solution with air, to carry out heat exchange in heat source tower, absorb heat, but in this process also because of the poor existence of the partial pressure of water vapor of water in air vapor partial pressure power and solution surface, airborne moisture will enter solution, make the concentration of solution thinning, the freezing point of solution will rise, safe and reliable for assurance system operation, and needing will be from the moisture that enters solution air from solution, discharging, improve the concentration of solution, namely realize the regeneration of solution.The regenerative process of solution is the process that needs absorb heat, how to obtain the regeneration thermal source of solution, and realizes the efficient utilization of regeneration of waste liquor heat, to improving the heat source tower heat pump systematic function, guarantees that the security of system reliability service is significant.
Therefore, how to solve the efficient utilization of regeneration of waste liquor thermal source and the regeneration of waste liquor heat of heat source tower heat pump system, realize the problems such as comprehensive high-efficiency of heat source tower heat pump system, designing a kind of new and effective heat source tower heat pump system becomes those skilled in the art's technical barrier in the urgent need to address.
Summary of the invention
Technical problem:The purpose of this invention is to provide a kind of efficient solution heat source tower heat pump system regeneration of waste liquor thermal source and regeneration efficiency problem thereof, improve the heat of subcooling that utilizes of the operational reliability of heat source tower heat pump under various operating modes and realize the heat source tower heat pump device of solution low-pressure boiled regeneration.
Technical scheme:The heat source tower heat pump device that utilizes heat of subcooling to realize the regeneration of solution low-pressure boiled of the present invention, comprise that refrigerant loop, solution loop, vacuum maintain loop, air loop, actified solution heating circuit and hot and cold water loop.Refrigerant loop comprises compressor, cross valve, First Heat Exchanger, the first check valve, the second check valve, the first magnetic valve, the second magnetic valve, the second heat exchanger, reservoir, filter, electric expansion valve, the 3rd check valve and the 4th check valve, the 3rd heat exchanger, gas-liquid separator and relevant connection pipeline thereof, described First Heat Exchanger is also the component parts in hot and cold water loop simultaneously, the second heat exchanger is also the component parts of actified solution heating circuit simultaneously, and the 3rd heat exchanger is also the component parts of solution loop simultaneously.
In refrigerant loop, the output of compressor is connected with the cross valve first input end, cross valve the first output is connected with the First Heat Exchanger first input end, First Heat Exchanger the first output is connected with the outlet of the 3rd check valve with the entrance of the first check valve simultaneously, the outlet of the first check valve is divided into three tunnels, first magnetic valve of leading up to is connected with the input of reservoir, second magnetic valve of leading up to is connected with the second heat exchanger first input end, an other road is connected with the outlet of the second check valve, the input of reservoir is connected with second heat exchanger the first output simultaneously, the entrance of the second check valve is connected with the outlet of the 4th check valve with the 3rd heat exchanger first input end simultaneously, the output of reservoir is connected with the input of electric expansion valve by filter, the output of electric expansion valve is divided into two-way, one tunnel connects the entrance of the 3rd check valve, an other road connects the entrance of the 4th check valve, the 3rd heat exchanger the first output is connected with cross valve the second input, cross valve the second output is connected with the input of gas-liquid separator, the output of gas-liquid separator is connected with the input of compressor.
Solution loop comprises the 3rd heat exchanger, solution boiling regenerator, finned tube exchanger, the first electric control valve, the second electric control valve, the first solution pump, heat source tower, heat regenerator, the 3rd magnetic valve, the second solution pump, solution reservoir, the 7th magnetic valve, the 8th magnetic valve and relevant connection pipeline thereof, described finned tube exchanger is also the component parts of air loop simultaneously, and solution boiling regenerator is also simultaneously the component parts that air loop, actified solution heating circuit, vacuum maintain loop.
In solution loop, heat source tower solution output is connected with the entrance of the first solution pump, the first solution delivery side of pump divides three tunnels, first electric control valve of leading up to connects finned tube exchanger solution input, one tunnel connects the 3rd heat exchanger the second input, another road connects the heat regenerator first input end by the second electric control valve, finned tube exchanger solution output is connected with heat source tower solution first input end, the 3rd heat exchanger the second output also is connected with heat source tower solution first input end, heat regenerator the first output is connected with solution boiling regenerator first input end, solution boiling regenerator the first output is connected with the input of the second solution pump, the second solution delivery side of pump connects heat regenerator the second input, heat regenerator the second output is divided into two-way, the 7th magnetic valve of leading up to connects heat source tower solution first input end and the 3rd heat exchanger the second output simultaneously, another road connects the input of solution reservoir by the 3rd magnetic valve, the output of solution reservoir connects heat source tower solution the second input by the 8th magnetic valve, at finned tube exchanger solution output, temperature sensor measurement finned tube exchanger outlet solution temperature is housed, in solution boiling regenerator, density sensor is housed and measures solution density,
Vacuum maintains loop and comprises solution boiling regenerator, pressure regulator valve, pressure regulator, the 4th magnetic valve, vavuum pump and relevant connection pipeline thereof;
Vacuum maintains in loop, solution boiling regenerator voltage adjusting end connects the input of pressure regulator by pressure regulator valve, the output of pressure regulator is connected with the input of vavuum pump by the 4th magnetic valve, in solution boiling regenerator, pressure sensor is housed, in order to measure the air pressure in solution boiling regenerator;
Air loop comprises solution boiling regenerator, blower fan, finned tube exchanger and the relevant connection pipeline joined successively; In described air loop, solution boiling regenerator, blower fan are connected by pipeline successively with finned tube exchanger, and the air outlet slit of finned tube exchanger is connected with the air intake of solution boiling regenerator, forms a closed loop.
The actified solution heating circuit comprises the second heat exchanger, solution boiling regenerator, water pump and relevant connection pipeline.In the actified solution heating circuit, second heat exchanger the second output connects solution boiling regenerator the second input, and solution boiling regenerator the second output is connected with the water pump input, and the water pump output is connected with second heat exchanger the second input.
The hot and cold water loop comprise First Heat Exchanger and and unit hot and cold water backwater end and hot and cold water for the relevant connection pipeline between water end (W.E.).In the hot and cold water loop, First Heat Exchanger the second input picks and organizes hot and cold water backwater end, and First Heat Exchanger the second output picks the group hot and cold water for water end (W.E.).
In the present invention, utilize the outlet solution temperature of temperature sensor perception finned tube exchanger, by controlling the first motorized adjustment valve regulation, enter the liquid inventory of finned tube exchanger, realize that the moisture removal of finned tube exchanger Air is regulated.
In the present invention, utilize the density of solution in density sensor perception solution boiling regenerator, be translated into the concentration of solution, by controlling the second motorized adjustment valve regulation, enter the liquid inventory of heat regenerator, can realize the liquid inventory in the boiling solution regenerator, temperature and concentration are controlled, make the heat source tower heat pump device when obtaining best regeneration efficiency, keep the stable of operation solution concentration.
In the present invention, utilize the operating pressure in the acting in conjunction regulator solution boiling regenerator of vavuum pump, pressure regulator and pressure regulator valve in vacuum loop, control boiling regeneration temperature and the reproduction speed of solution.
In the present invention, the utilization of system regeneration of waste liquor be that in described the second heat exchanger, liquid refrigerant is crossed cold institute liberated heat, based on the actified solution heating circuit, the solution in heated solution boiling regenerator, make it boiling, realizes regeneration of waste liquor.
In the present invention, in the finned tube exchanger in air loop, realize that the cold source of water in air segregation junction is the cryogenic fluid in system.
In the present invention, heat source tower is not when working, and air outlet has from opening and closing function, and during work, air outlet is opened automatically, automatically closes while not working, and prevents that rainwater from entering in tower.
During heat source tower heat pump refrigerating operaton in summer, the refrigerant gas of low-temp low-pressure is discharged from gas-liquid separator, becoming the HTHP superheated vapor after compressor suction compression, through cross valve, enter in the 3rd heat exchanger, cold-producing medium is emitted heat, condensation becomes liquid, from the 3rd heat exchanger, flowing out, again successively through the second check valve, the first magnetic valve (now the second closed electromagnetic valve), reservoir, filter, after electric expansion valve, become the gas-liquid two-phase of low-temp low-pressure, after the 3rd check valve, enter First Heat Exchanger again, the cold-producing medium evaporation of absorbing heat in First Heat Exchanger, produce cold water, cold-producing medium becomes overheated gas and out through cross valve, enters gas-liquid separator from First Heat Exchanger after evaporating fully, and then be inhaled into compressor, thereby complete kind of refrigeration cycle, produce chilled water.Now in solution loop, charging cooling water, in solution loop, except heat source tower, the first solution pump, the 3rd heat exchanger work, remainder all quits work.Cooling water is sucked by the first solution pump after out from heat source tower in solution loop, after the first solution pump pressurization, cooling water enters the 3rd heat exchanger (now the first electric control valve, the second electric control valve are all closed fully), in the 3rd heat exchanger, absorb heat condensation of refrigerant is become to liquid, self temperature enters heat source tower and carries out with air that heat is wet to be exchanged after raising, again from heat source tower, flow out after the cooling water temperature reduction.In the hot and cold water loop, chilled water enters First Heat Exchanger from the hot and cold water backwater end of unit, chilled water therein with the cold-producing medium heat exchange, temperature reduces, and by the unit hot and cold water, flows out unit for water end (W.E.) from First Heat Exchanger after out.Under this pattern, air loop, actified solution heating circuit, vacuum maintain loop and do not work.
Heat source tower heat pump winter heating operation minute three kinds of patterns, heating operation pattern one: heat source tower heat pump winter heating operation, when humidity in air is less or less at the moisture entered in solution by air in heat source tower, ie in solution is without when regeneration, in gas-liquid separator, the refrigerant gas of low-temp low-pressure is sucked by compressor, after compression, discharge, by cross valve, enter First Heat Exchanger, cold-producing medium is emitted heat in First Heat Exchanger, hot water preparing, simultaneously self be condensed into liquid, then by the first check valve, after the first magnetic valve (now the second closed electromagnetic valve), pass through successively reservoir, filter, electric expansion valve, after reducing pressure by regulating flow, entered in the 3rd heat exchanger by the 4th check valve with gas-liquid two-phase, in the 3rd heat exchanger with the solution heat exchange, carry out evaporation endothermic, after evaporating fully, cold-producing medium enters gas-liquid separator from the 3rd heat exchanger cross valve of out flowing through, finally again by compressor, sucked, thereby complete, heat circulation, hot water preparing.Now in solution loop, charging solution, in solution loop, except heat source tower, the first solution pump, the 3rd heat exchanger work, remainder all quits work.Solution is sucked by the first solution pump after out from heat source tower in solution loop, after the first solution pump pressurization, enter the 3rd heat exchanger (now the first electric control valve, the second electric control valve are all closed fully), therein with the cold-producing medium heat exchange, emit heat to cold-producing medium, rear the 3rd heat exchanger that flows out of self temperature reduction, enter heat source tower and air and carry out the wet exchange of heat, solution temperature flows out from heat source tower after raising again.In the hot and cold water loop, hot water enters First Heat Exchanger from the hot and cold water backwater end of unit, hot water therein with the cold-producing medium heat exchange, temperature raises, and by the unit hot and cold water, flows out unit for water end (W.E.) from First Heat Exchanger after out.Under this pattern, air loop, actified solution heating circuit, vacuum maintain loop and do not work.
Heating operation pattern two: when humidity in air is large or entering moisture in solution when more by air in heat source tower, solution need to be regenerated, refrigerant loop is that the refrigerant gas of low-temp low-pressure in gas-liquid separator is sucked by compressor, after compression, discharge and enter First Heat Exchanger by cross valve, cold-producing medium is emitted heat in First Heat Exchanger, hot water preparing, simultaneously self be condensed into liquid, then by the first check valve, the second magnetic valve (now the first closed electromagnetic valve) enters the second heat exchanger, refrigerant liquid carries out heat exchange with water in the second heat exchanger, refrigerant temperature reduces, realized cold, cold-producing medium from the second heat exchanger out after reservoir successively, filter, electric expansion valve, after reducing pressure by regulating flow, entered in the 3rd heat exchanger through the 4th check valve with gas-liquid two-phase, in the 3rd heat exchanger with the solution heat exchange, carry out evaporation endothermic, after evaporating fully, cold-producing medium enters gas-liquid separator from the 3rd heat exchanger cross valve of out flowing through, finally again by compressor, sucked, again compressed participation circulation.Now in solution loop, charging solution, solution out enters the first solution pump afterwards from heat source tower, from the first solution pump, out be divided into three tunnels, one road solution enters finned tube exchanger by the first electric control valve, in finned tube exchanger, carry out heat exchange with air, solution temperature raises, solution out flow back into heat source tower from heat source tower solution first input end afterwards from finned tube exchanger, one road solution enters the 3rd heat exchanger, with the cold-producing medium heat exchange, emit heat, temperature reduces, solution also flow back into heat source tower from heat source tower solution first input end from the 3rd heat exchanger after out, an other road solution enters heat regenerator by the second electric control valve, in heat regenerator, carry out heat exchange with the solution from flowing to heat regenerator solution boiling regenerator, solution temperature raises, solution is from out entering afterwards solution boiling regenerator heat regenerator, solution is heated therein, boiling, moisture evaporation in solution, after solution concentration improves, from the first output of solution boiling regenerator, flow out, after the second solution pump pressurization, enter heat regenerator again, in heat regenerator, emit heat, temperature reduces, solution from heat regenerator out afterwards through the 7th magnetic valve (the 3rd magnetic valve now, the 8th closed electromagnetic valve) also from heat source tower solution first input end, flow back to heat source tower.
In the actified solution heating circuit, water and cold-producing medium heat exchange in the second heat exchanger, water temperature raises, water out enters solution boiling regenerator afterwards from the second heat exchanger, with solution, carry out heat exchange therein, after the temperature of water reduces, flow out solution boiling regenerator and sucked by water pump, after pressurization, again enter the second heat exchanger, so circulation.
Vacuum maintains in loop, utilize vavuum pump to vacuumize pressure regulator, the pressure limit that keeps pressure regulator setting, when pressure in pressure regulator during lower than setup pressure value, the vacuum air pump inoperative, close the 4th magnetic valve, when pressure in pressure regulator during higher than setup pressure value, vavuum pump work, the 4th magnetic valve is opened; Utilize pressure regulator and pressure regulator valve to regulate the operating pressure in air loop, both controlled the operating pressure in solution boiling regenerator, make solution in solution boiling regenerator be in fluidized state always, realize the high rapid regeneration of solution.During air loop work, its inner pressure is lower than atmospheric pressure, be in vacuum state, solution is heated in solution boiling regenerator, under the operating pressure of air loop vacuum, solution will seethe with excitement, water vapour enters the air that forms high humidity in air loop, the air of high humidity is sucked by blower fan after solution boiling regenerator flows out, pressurization, then enter finned tube exchanger, in finned tube exchanger, carry out heat exchange with the cryogenic fluid come from heat source tower, the air themperature of high humidity is reduced to it below dew-point temperature, water in air steam coagulates, water capacity descends, after air flows out from finned tube exchanger, enter solution boiling regenerator, so circulation.Now the 5th magnetic valve is opened, the 6th closed electromagnetic valve, and water tank is in the state of water receiving, when water level arrives certain altitude, close the 5th magnetic valve, open the 6th magnetic valve, after water in water tank is emptying, again close the 6th magnetic valve, open the 5th magnetic valve.In the hot and cold water loop, hot water enters First Heat Exchanger from the hot and cold water backwater end of unit, hot water therein with the cold-producing medium heat exchange, temperature raises, and by the hot and cold water of unit, flows out unit for water end (W.E.) from First Heat Exchanger after out.
When the heat source tower heat pump Winter heat supply closes to an end, during the concentrated pattern of system heating operation pattern three---solution height: other loop ruuning situations are consistent with pattern two, only in solution loop, the 3rd magnetic valve is opened, the 7th magnetic valve and the 8th closed electromagnetic valve, the solution flowed out from heat regenerator the second output will flow into the storage of solution reservoir through the 3rd magnetic valve, and no longer flow into heat source tower.When machine unit in winter heating operation again, in the time of the solution in the solution reservoir need to being flowed into to heat source tower, close the 3rd magnetic valve, open the 8th magnetic valve.
In system heating operation pattern one process, solution, without regeneration, when not enabling regeneration of waste liquor, guarantees the efficient operation of system.
In system heating operation pattern two processes, 1) by controlling the first electric control valve, regulate the liquid inventory that enters finned tube exchanger, realize that the moisture removal of finned tube exchanger Air is regulated; 2) the regeneration of waste liquor utilization is that liquid refrigerant is crossed cold institute liberated heat, by controlling the second electric control valve, regulates the liquid inventory that enters heat regenerator, realizes liquid inventory, temperature and concentration in solution boiling regenerator are controlled; 3) utilize vacuum to maintain the acting in conjunction of loop intermediate pump, pressure regulator and pressure regulator valve, realize the adjusting of pressure in air loop operating pressure ie in solution boiling regenerator, guarantee that the solution in solution boiling regenerator can be reproduced in the solution heating circuit under this pressure water is heated to boiling, simultaneously, realize the adjusting of each several part running temperature in the confined air air circuit, when making system obtain best regeneration efficiency, keep the stable of operation solution concentration.
Beneficial effect:The present invention compared with prior art, has the following advantages:
The heat of subcooling that utilizes that the present invention proposes is realized the heat source tower heat pump device of solution low-pressure boiled regeneration, take full advantage of the characteristic that the solution boiling point reduces under vacuum and carry out regeneration of waste liquor, under the prerequisite that does not affect the heat pump heating operation, adopt the system liquid cold-producing medium to cross cold liberated heat as the regeneration of waste liquor heat, thoroughly solved the regeneration of waste liquor problem of heat source tower heat pump system, improve the heat source tower heat pump system reliability of heating operation in the winter time, and realized the comprehensive high-efficiency of system.
The accompanying drawing explanation
Fig. 1 is that the present invention utilizes heat of subcooling to realize the schematic diagram of the heat source tower heat pump device of solution low-pressure boiled regeneration.
In figure, have: compressor 1; Cross valve 2; Cross valve first input end 2a; Cross valve the first output 2b; Cross valve the second input 2c; Cross valve the second output 2d; First Heat Exchanger 3; First Heat Exchanger first input end 3a; First Heat Exchanger the first output 3b; First Heat Exchanger the second input 3c; First Heat Exchanger the second output 3d; The first check valve 4; The second check valve 5; The first magnetic valve 6; The second magnetic valve 7; The second heat exchanger 8; The second heat exchanger first input end 8a; Second heat exchanger the first output 8b; Second heat exchanger the second input 8c; Second heat exchanger the second output 8d; Reservoir 9; Filter 10; Electric expansion valve 11; The 3rd check valve 12; The 4th check valve 13; The 3rd heat exchanger 14; The 3rd heat exchanger first input end 14a; The 3rd heat exchanger the first output 14b; The 3rd heat exchanger the second input 14c; The 3rd heat exchanger the second output 14d; Gas-liquid separator 15; Solution boiling regenerator 16; Solution boiling regenerator first input end 16a; Solution boiling regenerator the second output 16b; Solution boiling regenerator the second input 16c; Solution boiling regenerator the second output 16d; Solution boiling regenerator voltage adjusting end 16e; Pressure sensor 17; Blower fan 18; Finned tube exchanger 19; Finned tube exchanger solution input 19a; Finned tube exchanger solution output 19b; The first electric control valve 20; The second electric control valve 21; The first solution pump 22; Heat source tower 23; Heat source tower solution first input end 23a; Heat source tower solution output 23b; Heat source tower solution the second input 23c; Heat regenerator 24; Heat regenerator first input end 24a; Heat regenerator the first output 24b; Heat regenerator the second input 24c; Heat regenerator the second output 24d; Water pump 25; The second solution pump 26; The 3rd magnetic valve 27; Solution reservoir 28; Temperature sensor 29; Pressure regulator valve 30; Pressure regulator 31; The 4th magnetic valve 32; Vavuum pump 33; The 5th magnetic valve 34; Water receiver 35; The 6th magnetic valve 36; Density sensor 37; The 7th magnetic valve 38; The 8th magnetic valve 39.
The specific embodiment
Below in conjunction with Fig. 1 and specific embodiment, further illustrate the present invention.
The present invention utilizes heat of subcooling to realize the heat source tower heat pump device of solution low-pressure boiled regeneration, comprises that refrigerant loop, solution loop, vacuum maintain loop, air loop, actified solution heating circuit and hot and cold water loop.Concrete method of attachment is:
The output of compressor 1 is connected with cross valve first input end 2a, cross valve the first output 2b is connected with First Heat Exchanger first input end 3a, First Heat Exchanger the first output 3b is connected with the outlet of the 3rd check valve 12 with the entrance of the first check valve 4 simultaneously, the outlet of the first check valve 4 is divided into three tunnels, first magnetic valve 6 of leading up to is connected with the input of reservoir 9, second magnetic valve 7 of leading up to is connected with the second heat exchanger first input end 8a, an other road is connected with the outlet of the second check valve 5, the input of reservoir 9 is connected with second heat exchanger the first output 8b simultaneously, the entrance of the second check valve 5 is connected with the outlet of the 4th check valve 13 with the 3rd heat exchanger first input end 14a simultaneously, the output of reservoir 9 is connected with the input of electric expansion valve 11 by filter 10, the output of electric expansion valve 11 is divided into two-way, one tunnel connects the entrance of the 3rd check valve 12, an other road connects the entrance of the 4th check valve 13, the 3rd heat exchanger the first output 14b is connected with cross valve the second input 2c, cross valve the second output 2d is connected with the input of gas-liquid separator 15, the output of gas-liquid separator 15 is connected with the input of compressor 1.
In solution loop, heat source tower solution output 23b is connected with the entrance of the first solution pump 22, the outlet of the first solution pump 22 divides three tunnels, first electric control valve 20 of leading up to connects finned tube exchanger solution input 19a, one tunnel connects the 3rd heat exchanger the second input 14c, another road connects heat regenerator first input end 24a by the second electric control valve 21, finned tube exchanger solution output 19b is connected with heat source tower solution first input end 23a, the 3rd heat exchanger the second output 14d also is connected with heat source tower solution first input end 23a, heat regenerator the first output 24b is connected with solution boiling regenerator first input end 16a, solution boiling regenerator the first output 16b is connected with the input of the second solution pump 26, the output termination heat regenerator second input 24c of the second solution pump 26, heat regenerator the second output 24d is divided into two-way, the 7th magnetic valve 38 of leading up to connects heat source tower solution first input end 23a, also by the 7th magnetic valve 38, connect the 3rd heat exchanger the second output 14d simultaneously, another road connects the input of solution reservoir 28 by the 3rd magnetic valve 27, the output of solution reservoir 28 connects heat source tower solution the second input 23c by the 8th magnetic valve 39, at finned tube exchanger solution output 19b, temperature sensor 29 is housed and measures finned tube exchanger 19 outlet solution temperatures, in solution boiling regenerator 16, density sensor 37 is housed and measures solution density,
Vacuum maintains in loop, solution boiling regenerator voltage adjusting end 16e connects the input of pressure regulator 31 by pressure regulator valve 30, the output of pressure regulator 31 is connected with the input of vavuum pump 33 by the 4th magnetic valve 32, in solution boiling regenerator 16, pressure sensor 17 is housed, in order to measure the air pressure in solution boiling regenerator 16;
The air intake of solution boiling regenerator 16 air outlet slit connecting fans 18 in air loop, the air outlet slit of blower fan 18 connects the air intake of finned tube exchanger 19, and the air intake that the air outlet slit of finned tube exchanger 19 connects solution boiling regenerator 16 forms a closed loop.
In the actified solution heating circuit, second heat exchanger the second output 8d connects solution boiling regenerator the second input 16c, solution boiling regenerator the second output 16d is connected with water pump 25 inputs, and water pump 25 outputs are connected with second heat exchanger the second input 8c.
In the hot and cold water loop, First Heat Exchanger the second input 3c picks and organizes hot and cold water backwater end, and First Heat Exchanger the second output 3d picks the group hot and cold water for water end (W.E.).
During heat source tower heat pump refrigerating operaton in summer, the refrigerant gas of low-temp low-pressure is discharged from gas-liquid separator 15, becoming the HTHP superheated vapor after compressor 1 suction compression, through cross valve 2, enter in the 3rd heat exchanger 14, cold-producing medium is emitted heat, condensation becomes liquid, from the 3rd heat exchanger 14, flowing out, again successively through the second check valve 5, the first magnetic valve 6(now the second magnetic valve 7 closes), reservoir 9, filter 10, after electric expansion valve 11, become the gas-liquid two-phase of low-temp low-pressure, after the 3rd check valve 12, enter First Heat Exchanger 3 again, the cold-producing medium evaporation of absorbing heat in First Heat Exchanger 3, produce cold water, cold-producing medium becomes overheated gas and out through cross valve 2, enters gas-liquid separator 15 from First Heat Exchanger 3 after evaporating fully, and then be inhaled into compressor 1, thereby complete kind of refrigeration cycle, produce chilled water.Now in solution loop, charging cooling water, in solution loop, except heat source tower 23, the first solution pump 22, the 3rd heat exchanger 14 work, remainder all quits work.Cooling water is sucked by the first solution pump 22 after out from heat source tower 23 in solution loop, after the first solution pump 22 pressurizations, cooling water enters the 3rd heat exchanger 14(, and now the first electric control valve 20, the second electric control valve 21 are all closed fully), in the 3rd heat exchanger 14, absorb heat condensation of refrigerant is become to liquid, self temperature enters heat source tower 23 and carries out the wet exchange of heat with air after raising, cooling water temperature after reducing again from heat source tower 23 outflows.In the hot and cold water loop, chilled water enters First Heat Exchanger 3 from the hot and cold water backwater end of unit, chilled water therein with the cold-producing medium heat exchange, temperature reduces, and by the unit hot and cold water, flows out unit for water end (W.E.) from First Heat Exchanger 3 after out.Under this pattern, air loop, actified solution heating circuit, vacuum maintain loop and do not work.
Heat source tower heat pump winter heating operation minute three kinds of patterns, heating operation pattern one: heat source tower heat pump winter heating operation, when the moisture that humidity in air is less or entered in solution by air in heat source tower 23 less, ie in solution is without when regeneration, in gas-liquid separator 15, the refrigerant gas of low-temp low-pressure is sucked by compressor 1, after compression, discharge, by cross valve 2, enter First Heat Exchanger 3, cold-producing medium is emitted heat in First Heat Exchanger 3, hot water preparing, simultaneously self be condensed into liquid, then by the first check valve 4, the first magnetic valve 6(now the second magnetic valve 7 closes) after pass through successively reservoir 9, filter 10, electric expansion valve 11, after reducing pressure by regulating flow, entered in the 3rd heat exchanger 14 by the 4th check valve 13 with gas-liquid two-phase, in the 3rd heat exchanger 14 with the solution heat exchange, carry out evaporation endothermic, after evaporating fully, cold-producing medium enters gas-liquid separator 15 from the 3rd heat exchanger 14 cross valve 2 of out flowing through, finally again by compressor 1, sucked, thereby complete, heat circulation, hot water preparing.Now in solution loop, charging solution, in solution loop, except heat source tower 23, the first solution pump 22, the 3rd heat exchanger 14 work, remainder all quits work.Solution is sucked by the first solution pump 22 after out from heat source tower 23 in solution loop, now the first electric control valve 20, the second electric control valve 21 are all closed fully after the first solution pump 22 pressurizations, to enter the 3rd heat exchanger 14(), therein with the cold-producing medium heat exchange, emit heat to cold-producing medium, rear the 3rd heat exchanger 14 that flows out of self temperature reduction, enter heat source tower 23 and carry out the wet exchange of heat with air, solution temperature flows out from heat source tower 23 after raising again.In the hot and cold water loop, hot water enters First Heat Exchanger 3 from the hot and cold water backwater end of unit, hot water therein with the cold-producing medium heat exchange, temperature raises, and by the unit hot and cold water, flows out unit for water end (W.E.) from First Heat Exchanger 3 after out.Under this pattern, air loop, actified solution heating circuit, vacuum maintain loop and do not work.
Heating operation pattern two: when humidity in air is large or enter moisture in solution when more by air in heat source tower 23, solution need to be regenerated, refrigerant loop is that the refrigerant gas of low-temp low-pressure in gas-liquid separator 15 is sucked by compressor 1, after compression, discharge and enter First Heat Exchanger 3 by cross valve 2, cold-producing medium is emitted heat in First Heat Exchanger 3, hot water preparing, simultaneously self be condensed into liquid, then by the first check valve 4, the second magnetic valve 7(now the first magnetic valve 6 closes) enter the second heat exchanger 8, refrigerant liquid carries out heat exchange with water in the second heat exchanger 8, refrigerant temperature reduces, realized cold, cold-producing medium from the second heat exchanger 8 out after reservoir 9 successively, filter 10, electric expansion valve 11, after reducing pressure by regulating flow, entered in the 3rd heat exchanger 14 through the 4th check valve 13 with gas-liquid two-phase, in the 3rd heat exchanger 14 with the solution heat exchange, carry out evaporation endothermic, after evaporating fully, cold-producing medium enters gas-liquid separator 15 from the 3rd heat exchanger 14 cross valve 2 of out flowing through, finally again by compressor 1, sucked, again compressed participation circulation.Now in solution loop, charging solution, solution out enters the first solution pump 22 afterwards from heat source tower 23, from the first solution pump 22, out be divided into three tunnels, one road solution enters finned tube exchanger 19 by the first electric control valve 20, in finned tube exchanger 19, carry out heat exchange with air, solution temperature raises, solution out flow back into heat source tower 23 from heat source tower solution first input end 23a afterwards from finned tube exchanger 19, one road solution enters the 3rd heat exchanger 14, with the cold-producing medium heat exchange, emit heat, temperature reduces, solution also flow back into heat source tower 23 from heat source tower solution first input end 23a from the 3rd heat exchanger 14 after out, an other road solution enters heat regenerator 24 by the second electric control valve 21, in heat regenerator 24, carry out heat exchange with the solution from flowing to heat regenerator 24 solution boiling regenerator 16, solution temperature raises, solution is from out entering afterwards solution boiling regenerator 16 heat regenerator 24, solution is heated therein, boiling, moisture evaporation in solution, after solution concentration improves, the first output 16b flows out from solution boiling regenerator, after the second solution pump 26 pressurizations, enter heat regenerator 24 again, in heat regenerator 24, emit heat, temperature reduces, solution from heat regenerator 24 out afterwards through the 7th magnetic valve 38(the 3rd magnetic valve 27 now, the 8th magnetic valve 39 cuts out) also from heat source tower solution first input end 23a, flow back to heat source tower 23.
In the actified solution heating circuit, water and cold-producing medium heat exchange in the second heat exchanger 8, water temperature raises, water out enters solution boiling regenerator 16 afterwards from the second heat exchanger 8, with solution, carry out heat exchange therein, after the temperature of water reduces, flow out solution boiling regenerator 16 and sucked by water pump 25, after pressurization, again enter the second heat exchanger 8, so circulation.
Vacuum maintains in loop, utilize 33 pairs of pressure regulators 31 of vavuum pump to vacuumize, the pressure limit that keeps pressure regulator 31 setting, when in pressure regulator 31, pressure is lower than setup pressure value, vavuum pump 33 is not worked, and closes the 4th magnetic valve 32, when in pressure regulator 31, pressure is higher than setup pressure value, vavuum pump 33 work, the 4th magnetic valve 32 is opened; Utilize the operating pressure in 30 pairs of air loops of pressure regulator 31 and pressure regulator valve to regulate, both controlled the operating pressure in solution boiling regenerator 16, make solution in solution boiling regenerator 16 be in fluidized state always, realize the high rapid regeneration of solution.During air loop work, its inner pressure is lower than atmospheric pressure, be in vacuum state, solution is heated in solution boiling regenerator 16, under the operating pressure of air loop vacuum, solution will seethe with excitement, water vapour enters the air that forms high humidity in air loop, the air of high humidity is sucked by blower fan 18 after solution boiling regenerator 16 flows out, pressurization, then enter finned tube exchanger 19, in finned tube exchanger 19 Yu from the cryogenic fluid of heat source tower 23, carry out heat exchange, the air themperature of high humidity is reduced to it below dew-point temperature, water in air steam coagulates, water capacity descends, after air flows out from finned tube exchanger 19, enter solution boiling regenerator 16, so circulation.Now the 5th magnetic valve 34 is opened, and the 6th magnetic valve 36 cuts out, and water tank 35 is in the state of water receiving, when water level arrives certain altitude, close the 5th magnetic valve 34, open the 6th magnetic valve 36, after water in water tank 35 is emptying, again close the 6th magnetic valve 36, open the 5th magnetic valve 34.In the hot and cold water loop, hot water enters First Heat Exchanger 3 from the hot and cold water backwater end of unit, hot water therein with the cold-producing medium heat exchange, temperature raises, and by the hot and cold water of unit, flows out unit for water end (W.E.) from First Heat Exchanger 3 after out.
When the heat source tower heat pump Winter heat supply closes to an end, during the concentrated pattern of system heating operation pattern three---solution height: other loop ruuning situations are consistent with pattern two, only in solution loop, the 3rd magnetic valve 27 is opened, the 7th magnetic valve 38 and the 8th magnetic valve 39 are closed, the solution flowed out from heat regenerator the second output 24d will flow into solution reservoir storage 28 through the 3rd magnetic valve 27, and no longer flow into heat source tower 23.When machine unit in winter heating operation again, in the time of the solution in solution reservoir 28 need to being flowed into to heat source tower 23, close the 3rd magnetic valve 27, open the 8th magnetic valve 39.
In system heating operation pattern one process, solution, without regeneration, when not enabling regeneration of waste liquor, guarantees the efficient operation of system.
In system heating operation pattern two processes, 1) by controlling the first electric control valve 20, regulate the liquid inventory that enters finned tube exchanger 19, realize that the moisture removal of finned tube exchanger 19 Airs is regulated; 2) the regeneration of waste liquor utilization is that liquid refrigerant is crossed cold institute liberated heat, by controlling the second electric control valve 21, regulates the liquid inventory that enters heat regenerator 24, realizes liquid inventory, temperature and concentration in solution boiling regenerator 16 are controlled; 3) utilize vacuum to maintain the acting in conjunction of loop intermediate pump 33, pressure regulator 31 and pressure regulator valve 30, realize the adjusting of pressure in air loop operating pressure ie in solution boiling regenerator, guarantee that the solution in solution boiling regenerator 16 can be reproduced in the solution heating circuit under this pressure water is heated to boiling, simultaneously, realize the adjusting of each several part running temperature in the confined air air circuit, when making system obtain best regeneration efficiency, keep the stable of operation solution concentration.
Claims (7)
1. a heat source tower heat pump device that utilizes heat of subcooling to realize the regeneration of solution low-pressure boiled, is characterized in that, this device comprises that refrigerant loop, solution loop, vacuum maintain loop, air loop, actified solution heating circuit and hot and cold water loop;
Described refrigerant loop comprises compressor (1), cross valve (2), First Heat Exchanger (3), the first check valve (4), the second check valve (5), the first magnetic valve (6), the second magnetic valve (7), the second heat exchanger (8), reservoir (9), filter (10), electric expansion valve (11), the 3rd check valve (12), the 4th check valve (13), the 3rd heat exchanger (14), gas-liquid separator (15) and relevant connection pipeline thereof, described First Heat Exchanger (3) is also the component parts in hot and cold water loop simultaneously, the second heat exchanger (8) is also the component parts of actified solution heating circuit simultaneously, the 3rd heat exchanger (14) is also the component parts of solution loop simultaneously,
In described refrigerant loop, the output of compressor (1) is connected with cross valve first input end (2a), cross valve the first output (2b) is connected with First Heat Exchanger first input end (3a), First Heat Exchanger the first output (3b) is connected with the outlet of the 3rd check valve (12) with the entrance of the first check valve (4) simultaneously, the outlet of the first check valve (4) is divided into three tunnels, the first magnetic valve (6) of leading up to is connected with the input of reservoir (9), the second magnetic valve (7) of leading up to is connected with the second heat exchanger first input end (8a), an other road is connected with the outlet of the second check valve (5), the input of reservoir (9) is connected with second heat exchanger the first output (8b) simultaneously, the entrance of the second check valve (5) is connected with the outlet of the 4th check valve (13) with the 3rd heat exchanger first input end (14a) simultaneously, the output of reservoir (9) is connected with the input of electric expansion valve (11) by filter (10), the output of electric expansion valve (11) is divided into two-way, one tunnel connects the entrance of the 3rd check valve (12), an other road connects the entrance of the 4th check valve (13), the 3rd heat exchanger the first output (14b) is connected with cross valve the second input (2c), cross valve the second output (2d) is connected with the input of gas-liquid separator (15), the output of gas-liquid separator (15) is connected with the input of compressor (1),
Described solution loop comprises the 3rd heat exchanger (14), solution boiling regenerator (16), finned tube exchanger (19), the first electric control valve (20), the second electric control valve (21), the first solution pump (22), heat source tower (23), heat regenerator (24), the 3rd magnetic valve (27), the second solution pump (26), solution reservoir (28), the 7th magnetic valve (38), the 8th magnetic valve (39) and relevant connection pipeline thereof, described finned tube exchanger (19) is also the component parts of air loop simultaneously, solution boiling regenerator (16) is also air loop simultaneously, the actified solution heating circuit, vacuum maintains the component parts in loop,
In described solution loop, heat source tower solution output (23b) is connected with the entrance of the first solution pump (22), the outlet of the first solution pump (22) divides three tunnels, the first electric control valve (20) of leading up to connects finned tube exchanger solution input (19a), one tunnel connects the 3rd heat exchanger the second input (14c), another road connects heat regenerator first input end (24a) by the second electric control valve (21), finned tube exchanger solution output (19b) is connected with heat source tower solution first input end (23a), the 3rd heat exchanger the second output (14d) also is connected with heat source tower solution first input end (23a), heat regenerator the first output (24b) is connected with solution boiling regenerator first input end (16a), solution boiling regenerator the first output (16b) is connected with the input of the second solution pump (26), output termination heat regenerator second input (24c) of the second solution pump (26), heat regenerator the second output (24d) is divided into two-way, the 7th magnetic valve (38) of leading up to connects heat source tower solution first input end (23a) and the 3rd heat exchanger the second output (14d) simultaneously, another road connects the input of solution reservoir (28) by the 3rd magnetic valve (27), the output of solution reservoir (28) connects heat source tower solution the second input (23c) by the 8th magnetic valve (39), at finned tube exchanger solution output (19b), temperature sensor (29) is housed and measures finned tube exchanger (19) outlet solution temperature, density sensor (37) is housed in solution boiling regenerator (16) and measures solution density,
Described vacuum maintains loop and comprises solution boiling regenerator (16), pressure regulator valve (30), pressure regulator (31), the 4th magnetic valve (32), vavuum pump (33) and relevant connection pipeline thereof; Described vacuum maintains in loop, solution boiling regenerator voltage adjusting end (16e) connects the input of pressure regulator (31) by pressure regulator valve (30), the output of pressure regulator (31) is connected with the input of vavuum pump (33) by the 4th magnetic valve (32), in solution boiling regenerator (16), pressure sensor (17) is housed, in order to measure the air pressure in solution boiling regenerator (16);
Described air loop comprises solution boiling regenerator (16), blower fan (18), finned tube exchanger (19) and the relevant connection pipeline joined successively; In described air loop, solution boiling regenerator (16), blower fan (18) are connected by pipeline successively with finned tube exchanger (19), the air outlet slit of finned tube exchanger (19) is connected with the air intake of solution boiling regenerator (16), forms a closed loop;
Described actified solution heating circuit comprises the second heat exchanger (8), solution boiling regenerator (16), water pump (25) and relevant connection pipeline; In described actified solution heating circuit, second heat exchanger the second output (8d) connects solution boiling regenerator the second input (16c), solution boiling regenerator the second output (16d) is connected with the input of water pump (25), and the output of water pump (25) is connected with second heat exchanger the second input (8c);
Described hot and cold water loop comprise First Heat Exchanger (3) and and unit hot and cold water backwater end and hot and cold water for the relevant connection pipeline between water end (W.E.); In described hot and cold water loop, First Heat Exchanger the second input (3c) connects unit hot and cold water backwater end, and First Heat Exchanger the second output (3d) connects the unit hot and cold water for water end (W.E.).
2. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, utilize temperature sensor (29) to measure the outlet solution temperature of finned tube exchanger (19), by controlling the first electric control valve (20), regulate the liquid inventory that enters finned tube exchanger (19), realize the adjusting to finned tube exchanger (19) Air moisture removal.
3. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, utilize density sensor (37) to measure the density of solution in solution boiling regenerator (16), be translated into the concentration of solution, by controlling the second electric control valve (21), regulate the liquid inventory that enters heat regenerator (24), realization is to liquid inventory in boiling solution regenerator (16), the control of temperature and concentration, make the heat source tower heat pump device when obtaining best regeneration efficiency, keep the stable of operation solution concentration.
4. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, utilize the operating pressure in the acting in conjunction regulator solution boiling regenerator (16) of vavuum pump (33), pressure regulator (31) and pressure regulator valve (30) in vacuum loop, control boiling regeneration temperature and the reproduction speed of solution.
5. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, the utilization of system regeneration of waste liquor be that liquid refrigerant is crossed cold institute liberated heat in described the second heat exchanger (8), based on the actified solution heating circuit, solution in heated solution boiling regenerator (16), make it boiling, realize regeneration of waste liquor.
6. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, finned tube exchanger in described air loop (19), using the cryogenic fluid of the cold of water in air segregation junction source in system.
7. the heat of subcooling that utilizes according to claim 1 is realized the heat source tower heat pump device that the solution low-pressure boiled is regenerated, it is characterized in that, the air outlet of described heat source tower (23) has from opening and closing function, and during work, air outlet is opened automatically, while not working, automatically close, prevent that rainwater from entering in tower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310384848.4A CN103411352B (en) | 2013-08-30 | 2013-08-30 | Heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling |
| PCT/CN2013/087196 WO2015027573A1 (en) | 2013-08-30 | 2013-11-15 | Heat pump apparatus of heat source tower, for implementing low-pressure boiling regeneration of solution by using heat of subcooling |
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| CN201310384848.4A CN103411352B (en) | 2013-08-30 | 2013-08-30 | Heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling |
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| CN109724289B (en) * | 2018-12-29 | 2021-04-09 | 浙江理工大学 | Multi-effect regeneration frostless heat pump system device and method |
| CN109724289A (en) * | 2018-12-29 | 2019-05-07 | 浙江理工大学 | Multiple-effect regenerates frostless heat pump system device and method |
| CN110878974B (en) * | 2019-11-29 | 2022-01-07 | 北京金茂绿建科技有限公司 | Heat source tower system control method |
| CN110878974A (en) * | 2019-11-29 | 2020-03-13 | 北京金茂绿建科技有限公司 | Heat source tower system control method |
| CN111189130A (en) * | 2020-02-07 | 2020-05-22 | 北京华创瑞风空调科技有限公司 | Solution regenerating unit and have its air dehydrating unit |
| CN111947444A (en) * | 2020-07-24 | 2020-11-17 | 浙江工业大学 | Closed cycle drying system based on open absorption heat pump |
| CN111947444B (en) * | 2020-07-24 | 2022-03-01 | 浙江工业大学 | Closed cycle drying system based on open absorption heat pump |
Also Published As
| Publication number | Publication date |
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| WO2015027573A1 (en) | 2015-03-05 |
| CN103411352B (en) | 2015-05-13 |
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