CN103900184A - Water cooling medium three-pipe refrigerating and heating air-conditioning system - Google Patents
Water cooling medium three-pipe refrigerating and heating air-conditioning system Download PDFInfo
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- CN103900184A CN103900184A CN201410169192.9A CN201410169192A CN103900184A CN 103900184 A CN103900184 A CN 103900184A CN 201410169192 A CN201410169192 A CN 201410169192A CN 103900184 A CN103900184 A CN 103900184A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 265
- 238000004378 air conditioning Methods 0.000 title claims abstract description 69
- 238000010438 heat treatment Methods 0.000 title abstract description 18
- 239000002826 coolant Substances 0.000 title abstract 3
- 238000005057 refrigeration Methods 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 32
- 239000003507 refrigerant Substances 0.000 claims description 30
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 6
- 230000008014 freezing Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 238000007791 dehumidification Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
- 239000013028 medium composition Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000008400 supply water Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000003643 water by type Substances 0.000 description 1
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Abstract
A water cooling medium three-pipe refrigerating and heating air-conditioning system is formed by a refrigerating system, an air-conditioning tail end, a cold water pipe, a hot water pipe, a water mixing pipe, a circulating water pump and water circulating media. Air-conditioning chilled water and hot water are simultaneously delivered to the air-conditioning tail end through the refrigerating system by means of the cold water pipe, the hot water pipe and the water mixing pipe, refrigerating and heating can be achieved independently or simultaneously, the demands for different air-conditioning operating conditions in different air-conditioning areas can be met, energy can be recycled, and the energy-saving effect is remarkable; due to the fact that common steel pipes are used, an equipment host and a control system are simple, accordingly, compared with a fully direct expansion type multi-online air-conditioning system, the water cooling medium three-pipe refrigerating and heating air-conditioning system is reliable in operation and low in manufacturing cost.
Description
Technical field
The invention belongs to air conditioner refrigerating field, be specifically related to a kind of three control air-conditioning systems taking water as refrigerant.
Background technology
Full direct-expansion type multi-online air-conditioning system, taking cold-producing medium as heat transfer medium, does not need water pump to carry, and operating cost is low, saves the energy, is used widely at present.Especially three-pipe heating reclaiming type multi-connected machine, can freeze simultaneously, heat, and can meet the demand of the different air conditioning conditions of different air conditioning areas simultaneously, and energy is recycled utilization, energy-conservation very remarkable.But multi-online air-conditioning system easily produces leakage of refrigerant, very strict to welding installation requirement, pipeline delivered length and the building discrepancy in elevation are had to strict restriction, because tubing uses copper pipe, device manufacturing process precision, control system complexity, this air-conditioning system cost is high.
Summary of the invention
The object of the present invention is to provide a kind of three control air-conditioning systems taking water as heat transfer medium, by three water supply lines, air conditioning water and hot water are transported to air conditioning terminal simultaneously, can freeze simultaneously, heat, can meet the demand of the different air conditioning conditions of different air conditioning areas simultaneously, energy is recycled utilization, can reach equally energy-conservation effect, owing to using common steel tube, device Host and control system are comparatively simple, cheap.
Solution of the present invention is: cool water media three control air-conditioning systems are made up of refrigeration system, air conditioning terminal, cold water pipe, hot-water line, mixed water pipe, water circulating pump, water circulation medium, power distribution control system, refrigeration system, by cold water pipe, hot-water line, mixed water pipe, is transported to air conditioning terminal air conditioning water and hot water simultaneously.Refrigeration system is voltage compressing refrigeration system, and it is made up of compressor, air cooled condenser, water cooled condenser, expansion throttling device, water-cooled evaporimeter, servicing unit, refrigerant circulation pipe, cold-producing medium etc., and they are linked in sequence into cooling cycle system.Air cooled condenser is connected HTHP or low-temperature low-pressure refrigerant, by air and cold-producing medium heat exchange, in air, dispels the heat or heat absorption, when summer refrigeration is while being main, it dispels the heat in air, when winter heating is while being main, it is converted into evaporimeter, from air, absorbs heat; Water cooled condenser is connected high-temperature high-pressure refrigerant and air-conditioner circulating water, and water inlet connects mixed water pipe, and delivery port connects hot-water line, and high-temperature high-pressure refrigerant, be heated into 40 DEG C of above high-temperature-hot-waters from the air-conditioner circulating water of mixed water pipe, is sent into hot-water line; Water-cooled evaporimeter is connected low-temperature low-pressure refrigerant and air-conditioner circulating water, and water inlet connects mixed water pipe, and delivery port connects cold water pipe, and low-temperature low-pressure refrigerant evaporation endothermic, being cooled to the cryogenic freezing water of 7 DEG C from the air-conditioner circulating water of mixed water pipe, is sent into cold water pipe; Room conditioning end (as: fan coil, new blower fan group) is connected with cold water pipe, hot-water line, mixed water pipe, its water inlet connects cold water pipe, hot-water line, and by valve control, water return outlet connects mixed water pipe, in the time that needs send cold wind, open cold valves, air conditioning water enters air conditioning terminal from cold water pipe, in the time that needs send hot blast, open hot water valve, air conditioning hot enters air conditioning terminal from hot-water line, through with air heat exchange after, air conditioning water becomes 12 DEG C from 7 DEG C, and hot water becomes 35 DEG C from 40 DEG C, is then back to mixed water pipe; The backwater of all air conditioning terminals is all flowed on mixed water pipe, and after mixing, water temperature becomes the normal-temperature water of 20 DEG C of left and right, is sent in water cooled condenser and water-cooled evaporimeter by water circulating pump again; For achieving the above object, water cooled condenser and water-cooled evaporimeter adopt large temperature difference heat exchanger.Therefore, air conditioning terminal can be realized three kinds of air conditioning conditions: freeze simultaneously, heat simultaneously, freeze simultaneously and heat, and identical with the function of direct-expansion type three-pipe heating reclaiming type multi-connected machine.Owing to making to use water as circulatory mediator, tubing uses common steel tube, has reduced cost.
Brief description of the drawings
Fig. 1 is a kind of cool water media three control air-conditioning system figure
Fig. 2 is a kind of with the two water-cooled evaporator series cool water media three control air-conditioning system figure of machine
Fig. 3 is a kind of with the two water-cooled evaporimeters of machine cool water media three control air-conditioning system figure in parallel
Fig. 4 is a kind of two-shipper water-cooled evaporator series cool water media three control air-conditioning system figure
Fig. 5 is a kind of cool water media three control air-conditioning system figure that adopt cooling tower
Fig. 6 is a kind of cool water media three control air-conditioning system figure that adopt geomantic omen composite cooling tower
Description of reference numerals:
1, compressor, 2, oil eliminator, 3, oil return capillary, 4, 9, 34, 35, 36, 37, magnetic valve, 5, 6, 10, 15, 16, 19, 25, 27, 28, 29, 30, 40, 41, 60, electric control valve, 7, 47, water cooled condenser, 8, air cooled condenser, 11, reservoir, 12, device for drying and filtering, 13, show liquid mirror, 14, 42, 44, expansion throttling device, 17, 38, 39, 43, 45, 46, water-cooled evaporimeter, 18, gas-liquid separator, 20, 48, 58, water circulating pump, 21, expander, 22, mixed water pipe, 23, cold water pipe, 24, hot-water line, 26, water heater, 31, surface cooler, 32, reheater, 33, fan coil, 49, open type cooling tower, 50, water leg, 51, regeneration tank, 52, heater, 53, airduct, 54, heat exchanger, 55, exhaust blower, 56, geomantic omen composite cooling tower, 57, cooling coil, 59, mixed water pot
concrete implementing method
Fig. 1 is a kind of cool water media three control air-conditioning system figure, the air conditioner water circulating system that it is made up of refrigeration system, air conditioning terminal (26,31,32,33), cold water pipe 23, hot-water line 24, mixed water pipe 22, water circulating pump 20, water circulation medium etc.Refrigeration system is made up of compressor 1, water cooled condenser 7, air cooled condenser 8, expansion throttling device 14, water-cooled evaporimeter 17, servicing unit, refrigerant circulation pipe, cold-producing medium etc., they are linked in sequence into cooling cycle system, and water cooled condenser 7 is relations in parallel with air cooled condenser 8.In the time that summer, refrigeration was main, refrigerant circulation process is: compressor 1 → oil eliminator 2, then divide two-way, one tunnel → electric control valve, 5 → air cooled condenser, 8 → magnetic valve 9, another road → electric control valve 6 → water cooled condenser 7, two-way is at this converge → reservoir 11 → device for drying and filtering 12 → show liquid mirror 13 → expansion throttling device 14 → electric control valve 15 → water-cooled evaporimeter 17 → gas-liquid separator 18 → compressor 1, now, magnetic valve 4, electric control valve 10 cuts out, water cooled condenser 7 utilizes high-temperature high-pressure refrigerant condensation heat heating air conditioning hot, air cooled condenser 8 is discharged to unnecessary high-temperature high-pressure refrigerant condensation heat in air, low-temperature low-pressure refrigerant is evaporation endothermic in water-cooled evaporimeter 17, air conditioning water is provided.When winter heating is while being main, air cooled condenser 8 is converted into evaporimeter, magnetic valve 4, electric control valve 10 is opened, magnetic valve 9, electric control valve 5 cuts out, refrigerant circulation process is: compressor 1 → oil eliminator 2 → electric control valve 6 → water cooled condenser 7 → reservoir 11 → device for drying and filtering 12 → show liquid mirror 13 → expansion throttling device 14, then divide two-way, one tunnel → electric control valve, 10 → air cooled condenser, 8 → magnetic valve 4, another road → electric control valve 15 → water-cooled evaporimeter 17, two-way is at this converge → gas-liquid separator 18 → compressor 1, in this cyclic process, low-temperature low-pressure refrigerant is evaporation endothermic in water-cooled evaporimeter 17 and air cooled condenser 8.
When refrigeration system need to, in air when refrigerant emission condensation heat, be discharged by air cooled condenser 8; In the time that refrigeration system need to be absorbed heat from air, air cooled condenser 8 is converted into evaporimeter, and low-temperature low-pressure refrigerant is evaporation endothermic therein.No matter in summer, winter, or transition season, water cooled condenser 7 utilizes high-temperature high-pressure refrigerant heat hot water all the time, 40 DEG C of above air conditioning hots are provided, water-cooled evaporimeter 17 utilizes low-temperature low-pressure refrigerant evaporation endothermic all the time, the air conditioning water of 7 DEG C is provided, both are connected in parallel in air conditioner water circulating system, by controlling electric control valve 16, 19, reconcile the flow of recirculated water, cold-producing medium and the recirculated water flow direction therein remains unchanged, only have the refrigerant flow direction of air cooled condenser 8 that change has occurred, system is simple, heat exchanger can keep higher heat exchange efficiency, water cooled condenser 7 and water-cooled evaporimeter 17 adopt shell-tube type, the heat exchanger of the form such as board-like, air cooled condenser 8 adopts the heat exchanger of the forms such as direct-expansion type comb fin.
Refrigeration system couples together air conditioning terminal (26,31,32,33) etc. by cold water pipe 23, hot-water line 24, mixed water pipe 22, water circulating pump 20, water circulation medium, forms an air conditioner water circulating system.Water heater 26 water inlets connect hot-water line 24, and delivery port connects mixed water pipe 22, and it utilizes the hot water heating running water in hot-water line 24, and the domestic hot-water that temperature is lower is provided, or as domestic hot-water's preheating.Water heater 26 is not for the treatment of air, but utilize the waste heat of refrigeration system, provide convenience, can claim that this kind equipment is optional equipment, its water inlet connects hot-water line 24, cold water pipe 23, and delivery port connects mixed water pipe 22, and this kind equipment has a lot, such as, the hand drier of toilet can be made thermal source with the waste heat of refrigeration system; The washes in toilet, kitchen can be used for discharging the waste heat of refrigeration system summer, and can reclaim heat energy wherein winter; Also can be in the chilled water access refrigerating box of 7 DEG C, for chilled goods.Surface cooler 31, reheater 32 are contained in air-conditioning unit, summer, surface cooler 31 dehumidified to air cooling-down, reheater 32 is to air after treatment warm again, both can add hot-air winter, their water inlet connects hot-water line 24 and cold water pipe 23, delivery port connects mixed water pipe 22, carries out the adjusting of change working and air-conditioning parameter by electric control valve.The water inlet of fan coil 33 connects hot-water line 24 and cold water pipe 23, and delivery port connects mixed water pipe 22, to room air cool-down dehumidification or heating.
Hot and cold water from air conditioning terminal out, be pooled in mixed water pipe 22, after mixing, the temperature of water is about 20 DEG C of left and right, it fluctuates along with the variation of air-conditioning system cooling and heating load.When the refrigeration duty needing when summer is greater than thermic load, the supply water temperature of water cooled condenser 7 is 40 DEG C, the supply water temperature of water-cooled evaporimeter 17 is 7 DEG C, the return water temperature of water heater 26 is 30 DEG C, the return water temperature of surface cooler 31 is 12 DEG C, by reducing the inflow of reheater 32, expand the Inlet and outlet water temperature difference, make its return water temperature reduce to 30 DEG C, the return water temperature of fan coil 33 is 12 DEG C, like this, surface cooler 31, the water consumption of fan coil 33 accounts for the overwhelming majority, after mixing in mixed water pipe 22, the temperature control of water is 18 DEG C of left and right, the supply backwater temperature difference of water cooled condenser 7 is 22 DEG C, the supply backwater temperature difference of water-cooled evaporimeter 17 is 11 DEG C.When the thermic load needing when winter is greater than refrigeration duty, the supply water temperature of water cooled condenser 7 is 50 DEG C, the supply water temperature of water-cooled evaporimeter 17 is 15 DEG C, the return water temperature of water heater 26 is 35 DEG C, it is 45 DEG C for the surface cooler 31 heating, the return water temperature of fan coil 33, the return water temperature that is used for the fan coil 33 freezing is 20 DEG C, after mixing in mixed water pipe 22, the temperature control of water is 35 DEG C of left and right, the supply backwater temperature difference of water cooled condenser 7 is 15 DEG C, and the supply backwater temperature difference of water-cooled evaporimeter 17 is 20 DEG C.
Realize large temperature difference operation, need to increase heat exchange area and the stroke of heat exchanger, equipment manufacturing cost has improved, but because the condensation temperature of refrigeration system reduces, evaporating temperature improves, the operational efficiency of unit improves.This system is only established a water circulating pump 20, and system investment reduces, and water circulating pump 20 adopts variable frequency pump, and compressor 1 adopts variable conpacitance compressor, and under the accurate control of automatic control system, according to the variation of cooling and heating load, variable-flow efficiently moves.This system adopts water circulation, and length, the building discrepancy in elevation and the power system capacity of pipeline are more much larger than full direct-expansion type multi-connected machine, and applicability, reliability are stronger.When unit capacity hour, refrigeration system and water circulating pump 20 can be made to an entirety, in the time that unit capacity is larger, can divides and be arranged.The main frame of this system can be placed on roof, reduces and use room area, but for the area of freezed in winter, should prevent that water cooling heat exchanger is icing.
Cool water media three control air-conditioning systems are applicable to the simultaneous air-conditioning system of cooling and heating load, as: the office building, the bathing occasion that have inside and outside subregion.
In Fig. 2, water cooled condenser 7 is connected on the gas outlet of compressor 1, preferential guarantee provides high-temperature-hot-water, water cooled condenser 7 is series relationship with air cooled condenser, for realizing large temperature difference operation, establish water-cooled evaporimeter 38,39, both are connected in refrigeration system and air conditioner water circulating system, exchange by the double evaporation-cooling heat of cooling, the mixed water cooling of higher temperature is become to the chilled water of 7 DEG C.In the time that summer, refrigeration was main, refrigerant circulation process is: compressor 1 → oil eliminator 2 → water cooled condenser 7 → magnetic valve 36 → air cooled condenser 8 → magnetic valve 9 → reservoir 11 → device for drying and filtering 12 → show liquid mirror 13 → expansion throttling device 14 → electric control valve 15 → water-cooled evaporimeter 38 → water-cooled evaporimeter 39 → gas-liquid separator 18 → compressor 1, now, magnetic valve 4,37, electric control valve 10 are closed, when not needing air cooled condenser 8, refrigeration system dispels the heat, magnetic valve 9,36 cuts out, and cold-producing medium is directly by magnetic valve 37.When winter heating is while being main, air cooled condenser 8 is converted into evaporimeter, magnetic valve 4, electric control valve 10 are opened, magnetic valve 9,36 cuts out, refrigerant circulation process is: compressor 1 → oil eliminator 2 → water cooled condenser 7 → magnetic valve 37 → reservoir 11 → device for drying and filtering 12 → show liquid mirror 13 → expansion throttling device 14, then divide two-way, one tunnel → electric control valve, 10 → air cooled condenser, 8 → magnetic valve 4, another road → electric control valve 15 → water-cooled evaporimeter 38 → water-cooled evaporimeter 39, two-way is at this converge → gas-liquid separator 18 → compressor 1.Different from Fig. 1 is, the water inlet pipe of fan coil 33 is provided with electric control valve 40,41, when both open simultaneously, reconcile the cold and hot water yield, and mixed water temperature is controlled to 16 DEG C, ensure that fan coil 33 is that room air is processed in dry type cooling,, independently controls the humiture of air thereby realize outdoor new wind cool-down dehumidification with surface cooler 31.
In Fig. 3, water-cooled evaporimeter 43 is connected in parallel in refrigeration system with water-cooled evaporimeter 45, is connected in air conditioner water circulating system, by controlling expansion throttling device 42,44, control the wherein evaporating temperature of cold-producing medium, mixed water cools by secondary, becomes the chilled water of 7 DEG C.
In Fig. 4, there are two cover refrigeration systems, mixed water is first processed by 17 coolings of water-cooled evaporimeter, again by the 46 reducing temperature twice processing of water-cooled evaporimeter, become the chilled water of 7 DEG C, water-cooled evaporimeter 17 and 46 is to be connected in air conditioner water circulating system, and both water cooled condensers 7 are to be connected in parallel in air conditioner water circulating system, two cover refrigeration system controlling runs are more convenient.
In Fig. 5, water cooled condenser 47 has replaced original air cooled condenser 8, summer, condensation of refrigerant heat was by open type cooling tower 49(or closed cooling tower) Sprayer Circulation water is discharged in atmosphere, absorb heat from air by open type cooling tower 49 winter, for preventing that recirculated water from freezing, freezing water cooled condenser 47 and open type cooling tower 49, in recirculated water, add antifreezing agent, as: ethylene glycol solution.During due to recirculated water and outdoor air heat exchange, airborne moisture will condense in recirculated water, and concentration reduction, the freezing point of anti-icing fluid are improved, easily freeze, therefore will constantly add anti-icing fluid, or to circulating water heating, evaporate portion of water, anti-icing fluid is regenerated, concentrated.Be provided with regeneration tank 51 for this reason, wherein be provided with heater 52, heating agent is electricity, solar energy, or other high temperature heat source, after recirculated water is heated by heater 52, portion of water is evaporated to high-temperature water vapor, under the effect of exhaust blower 55, by airduct 53, heat exchanger 54, high-temperature water vapor and low-temperature circulating hydrothermal exchange, reclaim heat, energy-saving and emission-reduction.Adopt cooling tower heat exchange to be applicable to high-capacity air conditioning system.
In Fig. 6, geomantic omen composite cooling tower 56 has replaced original air cooled condenser 8, it is closed cooling tower, both can be air-cooled, also can water-cooled, cold-producing medium is by cooling coil 57 directly and air or shower water heat exchange, heat exchange efficiency is high, freeze winter for preventing recirculated water, should add antifreezing agent, utilizes regeneration tank 51 to regenerate.In figure, the exit of water circulating pump 20 is provided with mixed water pot 59, on it, be connected to bypass electric control valve 60, in the time that water-mixing temperature is inhomogeneous, reduce at the interior flow velocity of mixed water pot 59, hot and cold water fully mixes, a part, by electric control valve 60, is back to circulation again in water circulating pump 20, makes water-mixing temperature more even.
In sum, cool water media three control air-conditioning systems can adopt common steel tube, simple in structure, easy for installation, reliable, and it has possessed the advantage of complete straight swollen Three-pipe heat recovery multi-connected machine, but cheap.
The above, be only better implementing method of the present invention, not the present invention done to any pro forma restriction.Any simple modification, equivalent variations and the modification above implementing method done according to technical spirit of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. cool water media three control air-conditioning systems are by refrigeration system, air conditioning terminal, cold water pipe, hot-water line, mixed water pipe, water circulating pump, water circulation medium, power distribution control system composition, they are linked in sequence into air conditioner circulating system, refrigeration system is voltage compressing refrigeration system, it is by compressor, air cooled condenser, water cooled condenser, expansion throttling device, water-cooled evaporimeter, servicing unit, refrigerant circulation pipe, cold-producing medium composition, they are linked in sequence into cooling cycle system, it is characterized in that, air cooled condenser adopts direct-expansion type structure heat exchanger, it connects high-temperature high-pressure refrigerant, by air and cold-producing medium heat exchange, in air, dispel the heat, in the time of needs low-temperature low-pressure refrigerant evaporation endothermic, it is converted into evaporimeter, from air, absorb heat, water cooled condenser is connected high-temperature high-pressure refrigerant and air-conditioner circulating water, and water inlet connects mixed water pipe, and delivery port connects hot-water line, and high-temperature high-pressure refrigerant, being heated into high-temperature-hot-water from the air-conditioner circulating water of mixed water pipe, is sent into hot-water line, and air conditioning hot is provided, water-cooled evaporimeter is connected low-temperature low-pressure refrigerant and air-conditioner circulating water, and water inlet connects mixed water pipe, and delivery port connects cold water pipe, low-temperature low-pressure refrigerant evaporation endothermic, being cooled to cryogenic freezing water from the air-conditioner circulating water of mixed water pipe, send into cold water pipe, air conditioning water is provided, room conditioning end is connected with cold water pipe, hot-water line, mixed water pipe, its water inlet connects cold water pipe, hot-water line, and by valve control, water return outlet connects mixed water pipe, in the time that needs freeze, open cold valves, air conditioning water enters air conditioning terminal from cold water pipe, in the time that needs heat, open hot water valve, air conditioning hot enters air conditioning terminal from hot-water line, air conditioning terminal has simultaneously and freezes, heats simultaneously, freezes simultaneously and heat three kinds of operating modes, through with air or other heat transferring medium heat exchange after, air conditioning water heats up, hot water cooling, is then back to mixed water pipe, the backwater of all air conditioning terminals is all flowed on mixed water pipe, is sent back in water cooled condenser and water-cooled evaporimeter by water circulating pump again, water cooled condenser and water-cooled evaporimeter adopt large temperature difference heat exchanger, both are connected in parallel in air conditioner water circulating system, water cooled condenser is in parallel with air cooled condenser or be connected in refrigeration system, and water circulating pump is variable frequency pump, and refrigeration system is varying capacity system.
2. refrigeration system according to claim 1, is characterized in that, when it is during with two water-cooled evaporimeters, both serial or parallel connections, in refrigeration system, are connected in air conditioner water circulating system, and air-conditioner circulating water therein secondary cools.
3. refrigeration system according to claim 1, it is characterized in that, when it is during with two cover refrigeration systems, both water-cooled evaporimeters are to be connected in air conditioner water circulating system, air-conditioner circulating water therein secondary cools, and both water cooled condensers are to be connected in parallel in air conditioner water circulating system.
4. air conditioning terminal according to claim 1, it is characterized in that, when air conditioning terminal is during with new blower fan group and fan coil, on the hot water inlet pipe of fan coil and cold water inlet, fill electronic mediation valve, both open simultaneously, reconcile the cold and hot water yield, and mixed water temperature is controlled to 16 DEG C, ensure that fan coil is that room air is processed in dry type cooling,, independently controls the humiture of air thereby realize outdoor new wind cool-down dehumidification by new blower fan group.
5. air conditioning terminal according to claim 1, is characterized in that, air conditioning terminal is with optional equipment, and its water inlet connects hot-water line, cold water pipe, and water return outlet connects mixed water pipe.
6. refrigeration system according to claim 1, is characterized in that, when it is during with water circulation open type or sealed cooling tower, has cancelled air cooled condenser, and refrigeration system is absorbed heat from air by cooling tower or to heat extraction in air.
7. refrigeration system according to claim 1, it is characterized in that, when it is during with geomantic omen composite cooling tower, it is sealed cooling tower, the cooling coil of cold-producing medium by wherein directly with air or shower water heat exchange, from air, absorb heat or to heat extraction in air.
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| CN106969433A (en) * | 2015-12-17 | 2017-07-21 | 艾森曼欧洲公司 | air supply device |
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| CN113048584A (en) * | 2021-01-20 | 2021-06-29 | 广东美的暖通设备有限公司 | Runner humidifying device, air conditioning system with same, control method and controller |
| CN113203217A (en) * | 2021-06-11 | 2021-08-03 | 湖北中烟工业有限责任公司武汉卷烟厂 | Auxiliary air conditioning system and method for cigarette factory |
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| CN104879903B (en) * | 2015-04-30 | 2018-08-24 | 荣国华 | Six control air conditioner cold and hot waters and domestic hot-water's unit |
| CN104879903A (en) * | 2015-04-30 | 2015-09-02 | 荣国华 | Six-pipe air-conditioning cold and hot water and domestic hot water producing unit |
| CN104990174A (en) * | 2015-06-03 | 2015-10-21 | 荣国华 | Direct expansion type air-water cooled air conditioning system |
| CN104990174B (en) * | 2015-06-03 | 2017-10-10 | 荣国华 | Direct-expansion type geomantic omen cold air conditioning system |
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| CN107543252A (en) * | 2017-10-11 | 2018-01-05 | 成都歆雅春风科技有限公司 | Refrigeration host computer and air-conditioning |
| CN107543252B (en) * | 2017-10-11 | 2024-08-06 | 成都歆雅春风科技有限公司 | Refrigerating host and air conditioner |
| CN108444010A (en) * | 2018-04-04 | 2018-08-24 | 李社红 | A kind of three control central air conditioning water systems of energy cascade utilization |
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| CN108426322A (en) * | 2018-05-17 | 2018-08-21 | 江苏科技大学 | A kind of domestic multi-connection air conditioner condensed water heat-exchange system |
| CN112378113A (en) * | 2020-10-29 | 2021-02-19 | 北京京仪自动化装备技术有限公司 | Semiconductor temperature control device and method |
| CN112378061A (en) * | 2020-11-16 | 2021-02-19 | 苏州智数家建筑科技有限公司 | Household independent temperature and humidity control system using double-cold-source heat pump host |
| CN112378061B (en) * | 2020-11-16 | 2022-06-14 | 苏州智数家建筑科技有限公司 | Household independent temperature and humidity control system using double-cold-source heat pump host |
| CN113048584A (en) * | 2021-01-20 | 2021-06-29 | 广东美的暖通设备有限公司 | Runner humidifying device, air conditioning system with same, control method and controller |
| CN113203217A (en) * | 2021-06-11 | 2021-08-03 | 湖北中烟工业有限责任公司武汉卷烟厂 | Auxiliary air conditioning system and method for cigarette factory |
| CN114413357A (en) * | 2021-12-22 | 2022-04-29 | 珠海格力电器股份有限公司 | Parameter determination method for four-pipe system for air conditioner and related equipment |
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