CN110186128A - A kind of evaporation is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser - Google Patents
A kind of evaporation is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser Download PDFInfo
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- CN110186128A CN110186128A CN201910413236.0A CN201910413236A CN110186128A CN 110186128 A CN110186128 A CN 110186128A CN 201910413236 A CN201910413236 A CN 201910413236A CN 110186128 A CN110186128 A CN 110186128A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
- F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A kind of evaporation disclosed by the invention is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser, it include the Fresh air handling units and air-conditioned room unit being connected to by air duct, air-conditioned room unit is connected with double cold source water coolers by the first pipe network, double cold source water coolers are connect by the second pipe network with Fresh air handling units, and Fresh air handling units also pass through pipeline G6 and connect with air-conditioned room unit.A kind of evaporation of the invention is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser, and solve the problems, such as that tradition machinery refrigeration water cooler energy consumption is high, evaporates cooling water cooler leaving water temperature is influenced by outdoor weather condition.
Description
Technical field
The invention belongs to operation of air conditioning systems technical fields, and in particular to a kind of evaporation is cooling to cooperate with coupling with evaporative condenser
Double cold source chilled water systems.
Background technique
Construction industry develops rapidly in recent years, and the ratio that air conditioning energy consumption accounts for building total energy consumption is increasing.With air-conditioning
Technology development, tradition machinery refrigeration air-conditioner mode face transition and upgrade, Evaporative Cooling Air Conditioning technology have energy conservation, low-carbon, economy,
The unique advantage of health, but it is affected by meteorological condition, and self performance is to be improved.
Tradition machinery refrigeration is divided into air-cooled and water-cooled, air-cooled mechanical refrigeration cold water according to the type of cooling of condenser
Unit cooling efficiency is low, and energy consumption is high, and extreme environment, which easily breaks down, shuts down phenomenon.Evaporative Cooling Air Conditioning technology is cold according to obtaining
The form of amount is divided into wind side Evaporative Cooling Air Conditioning technology and water side Evaporative Cooling Air Conditioning technology, evaporates cooling water cooler by outdoor
Meteorological condition is affected, and leaving water temperature is unstable, causes it by territory restriction, and application range is not wide.
Summary of the invention
The object of the present invention is to provide a kind of cooling cooperate with evaporative condenser of evaporation to couple double cold source chilled water systems, solves
Tradition machinery refrigeration water cooler energy consumption is high, evaporates cooling water cooler leaving water temperature is asked by what outdoor weather condition was influenced
Topic.
The technical scheme adopted by the invention is that a kind of evaporation is cooling to cooperate with the double cold source cold water systems of coupling with evaporative condenser
System, includes the Fresh air handling units and air-conditioned room unit being connected to by air duct, and air-conditioned room unit is connected with double cold by the first pipe network
Source water cooler, double cold source water coolers are connect by the second pipe network with Fresh air handling units, and Fresh air handling units also pass through pipeline G6 and sky
Unit of transferring house connection.
It is of the invention to be further characterized in that,
Fresh air handling units include machine unit shell b, and air inlet b is respectively arranged on machine unit shell b opposite two sidewalls and is sent
Air port, machine unit shell b is interior to be disposed with surface air cooler, the first direct evaporating-cooling unit, water fender c according to air-flow direction
And organic frame is arranged in pressure fan, pressure fan lower section；Air outlet is connected to by air duct with air-conditioned room unit, and the liquid outlet of surface air cooler is logical
It crosses the second pipe network to connect with double cold source water coolers, the inlet of surface air cooler is connect by pipeline G6 with air-conditioned room unit.
First direct evaporating-cooling unit includes the water distributor c, filler e and water storage box from top to bottom set gradually, water distribution
Device c is connected to by the first water pipe with water storage box, and water pump b and electric water treatment device b is additionally provided on the first water pipe.
Air filter b is provided between air inlet b and surface air cooler.
Air-conditioned room unit includes air-conditioned room, and indoor end is provided in air-conditioned room, and the liquid outlet of indoor end passes through pipe
The inlet of the inlet of road G6 and surface air cooler, indoor end is connect by the first pipe network with double cold source water coolers, air-conditioned room
Side wall on be provided with air inlet, air inlet is connected to air duct, is additionally provided with exhaust outlet on the side wall of air-conditioned room.
Double cold source water coolers include evaporative cooling system and mechanical refrigeration system；Evaporative cooling system includes unit
The second direct evaporating-cooling unit is provided in shell a, machine unit shell a at center, in second direct evaporating-cooling unit or so
Two sides have been symmetrical set indirect evaporating-cooling unit, two indirect evaporating-cooling units and the second direct evaporating-cooling unit it
Between be separated by partition, be provided with ventilation opening on partition, indirect evaporating-cooling unit passes through ventilation opening and the second directly evaporation
Cooling unit is connected to, and the bottom in machine unit shell a is provided with cold water storage cistern, and cold water storage cistern is located at the second direct evaporating-cooling unit and two
The lower section of a indirect evaporating-cooling unit；Side institute of each indirect evaporating-cooling unit far from the second direct evaporating-cooling unit
Air inlet a, corresponding machine unit shell a above the second direct evaporating-cooling unit are provided on corresponding machine unit shell a side wall
On be provided with exhaust outlet b, be provided with exhaust outlet a on corresponding machine unit shell a above each indirect evaporating-cooling unit；Cold water storage cistern
And mechanical refrigeration system is connected by the inlet of the first pipe network and indoor end, the second direct evaporating-cooling unit and and machinery
Refrigeration system is connected by the liquid outlet of the second pipe network and surface air cooler.
Second direct evaporating-cooling unit includes the water fender b from top to bottom set gradually, water distributor a, filler d, fills out
Expect that c and filler b, water fender b are located at immediately below exhaust outlet b, filler b is located above cold water storage cistern, and two ventilation openings are below filler b
It is symmetrical set on corresponding left and right sides partition；Exhaust blower b is additionally provided in exhaust outlet b；Water distributor a and mechanical refrigeration system
It is connected by the liquid outlet of the second pipe network and surface air cooler.
Indirect evaporating-cooling unit includes the water fender a from top to bottom set gradually, water distributor b, filler a and steams indirectly
Cooler is sent out, water fender a is located at immediately below exhaust outlet a, and exhaust blower a is additionally provided in exhaust outlet a, and water distributor b passes through the second water
Pipe is connect with cold water storage cistern, and water pump a is provided on the second water pipe；It is arranged on corresponding machine unit shell a below indirect evaporation cooler
There is auxiliary air air inlet, the side of indirect evaporation cooler is opposite with air inlet a, the other side of indirect evaporation cooler and logical
Air port is opposite.
Air filter a is additionally provided between air inlet a and indirect evaporation cooler；Electronics is additionally provided on second water pipe
Water treatment facilities a.
Mechanical refrigeration system includes machine unit shell c, and evaporator is provided in machine unit shell c, is at left and right sides of evaporator
It is symmetrically arranged with compressor, evaporator includes evaporator shell and two groups of evaporator refrigerant disks being arranged in evaporator shell body
Pipe, two groups of evaporator refrigerant coil pipes are used cooperatively with two groups of compressor one-to-one correspondence respectively, and compressor passes through pipeline G1 and evaporation
The liquid outlet of device refrigerant coil pipe connects；Mechanical refrigeration system further includes two and is respectively provided at the second direct evaporating-cooling unit two sides
Condenser in indirect evaporating-cooling unit, condenser is between exhaust blower a and water fender a, the refrigerant outlet of condenser
It is connected with expansion valve by pipeline G3, expansion valve is connect by pipeline G4 with the inlet of evaporator refrigerant coil pipe, condenser
Refrigerant inlet is connect by pipeline G2 with compressor；
First pipe network includes pipeline G5, and one end of pipeline G5 and the inlet of indoor end connect, and pipeline G5's is another
End is connected with the first water segregator, and the first water segregator is connect by pipeline G10 with cold water storage cistern, and the first water segregator is by pipeline G8 and steams
The feed water inlet b connection on device shell is sent out, is additionally provided with water pump c on pipeline G5；
Second pipe network includes pipeline G7, and one end of pipeline G7 and the liquid outlet of surface air cooler connect, the other end of pipeline G7
It is connected with the second water segregator, the second water segregator is connect by pipeline G11 with water distributor a, and the second water segregator is by pipeline G9 and steams
Send out the water return outlet b connection on device shell.
The beneficial effects of the present invention are:
(1) chilled water system of the invention by vertical pipe type indirectly+direct evaporating-cooling is combined into one with mechanical refrigeration
Change double cold source water coolers；
(2) the evaporative cooling system indirect section heat exchanger in chilled water system of the invention uses vertical pipe type, and recirculated water is
The cold water that unit ontology is produced can reduce wet channel spray coolant-temperature gage, and be arranged one in the top of standpipe indirect evaporation cooler
Determine the packing layer of thickness, the time of contact of air and water can be extended, keep water distribution effect more uniform, while reducing wet channel circulation
Coolant-temperature gage, and then indirect evaporating-cooling efficiency is improved, the air's wet bulb temperature into the second direct evaporating-cooling unit is reduced,
It is final to obtain low-temperature cold water；
(3) condenser of the mechanical refrigeration system in chilled water system of the invention is set to standpipe type indirect evaporation cooler
Top reduces condenser condensation temperature and pressure with the heat dissipation of the secondary exhausting of lower temperature, and then improves system energy efficiency；
(4) the filler layered arrangement of second direct evaporating-cooling unit can reduce air resistance in chilled water system of the invention
Power optimizes and reduces spray water distribution and temperature；
(5) cold water storage cistern in chilled water system of the invention is provided separately and is kept the temperature with evaporator, and water cooler uses
It is double-faced ventilated, when in use the ratio of two kinds of cold water can flexible configuration, achieve the purpose that energy-efficient；
(6) double cold source water coolers in chilled water system of the invention optionally open mechanical refrigeration system, realize
For the function of indoor air dehumidification, meet the temperature and humidity requirement of room air to the greatest extent.
Detailed description of the invention
Fig. 1, which is that a kind of evaporation of the present invention is cooling, cooperates with the structural schematic diagram for coupling double cold source chilled water systems with evaporative condenser；
Fig. 2, which is that a kind of evaporation of the present invention is cooling, cooperates with the knot for coupling Fresh air handling units in double cold source chilled water systems with evaporative condenser
Structure schematic diagram；
Fig. 3, which is that a kind of evaporation of the present invention is cooling, cooperates with evaporative cooling system in the double cold source chilled water systems of coupling with evaporative condenser
Structural schematic diagram；
Fig. 4, which is that a kind of evaporation of the present invention is cooling, cooperates with mechanical refrigeration system in the double cold source chilled water systems of coupling with evaporative condenser
Structural schematic diagram；
Fig. 5, which is that a kind of evaporation of the present invention is cooling, cooperates with double cold source cooling-water machines in the double cold source chilled water systems of coupling with evaporative condenser
The left view of group；
Fig. 6, which is that a kind of evaporation of the present invention is cooling, cooperates with double cold source cooling-water machines in the double cold source chilled water systems of coupling with evaporative condenser
The top view of group.
In figure, 1. air inlet a, 2. air filter a, 3. electric water treatment device a, 4. water pump a, 5. auxiliary airs air inlet
Mouthful, 6. cold water storage cisterns, 7. feed water inlet a, 8. water fender a, 9. condensers, 10. exhaust outlet a, 11. exhaust blower a, 12. exhaust blower b, 13.
Exhaust outlet b, 14. water return outlet a, 15. water fender b, 16. water distributor a, 17. water distributor b, 18. filler a, 19. indirect evaporating-coolings
Device, 20. filler b, 21. filler c, 22. filler d, 23. compressors, 24. expansion valves, 25. evaporator refrigerant coil pipes, 26. feed water inlets
B, 27. refrigerant outlets, 28. refrigerant inlets, 29. feed water inlet c, 30. water return outlet b, 31. evaporators, 32. air inlet b, 33.
Surface air cooler, 34. electric water treatment device b, 35. water pump b, 36. water storage boxes, 37. filler e, 38. racks, 39. pressure fan, 40. blow
Mouthful, 41. water fender c, 42. water distributor c, 43. air filter b, 44. indoor ends, 45. air-conditioned room units, 46. water pump c,
47. pair cold source water cooler, 48. exhaust outlets, 49. Fresh air handling units, 50. air inlets, 51. water return outlet c, 52. ventilation openings, 53.
One water pipe, 54 air ducts, 55. second water pipes.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of evaporation of the present invention is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser, as shown in Figure 1, including logical
Cross the Fresh air handling units 49 and air-conditioned room unit 45 of the connection of air duct 54, it is cold that air-conditioned room unit 45 by the first pipe network is connected with pair cold sources
Water dispenser group 47, double cold source water coolers 47 are connect by the second pipe network with Fresh air handling units 49, and Fresh air handling units 49 also pass through pipeline G6
It is connect with air-conditioned room unit 45.
As shown in Fig. 2, Fresh air handling units 49 include machine unit shell b, it is respectively arranged on machine unit shell b opposite two sidewalls
Air inlet b32 and air outlet 40 are successively set in machine unit shell b, between air inlet b32 and air outlet 40 according to air-flow direction
It is equipped with surface air cooler 33, the first direct evaporating-cooling unit, water fender c41 and pressure fan 39, organic frame is set below pressure fan 39
38；Air outlet 40 is connected to by air duct 54 with air-conditioned room unit 45, and the liquid outlet of surface air cooler 33 passes through the second pipe network and double cold sources
Water cooler 47 connects, and the inlet of surface air cooler 33 is connect by pipeline G6 with air-conditioned room unit 45.
First direct evaporating-cooling unit includes the water distributor c42, filler e37 and water storage box from top to bottom set gradually
36, water distributor c42 are connected to by the first water pipe 53 with water storage box 36, are additionally provided with water pump b35 and electronic water on the first water pipe 53
Processing instrument b34.
Air filter b43 is provided between air inlet b32 and surface air cooler 33.
The air filter b of Fresh air handling units 49 uses low efficient filter；Water distributor c42 is drip type, and the first water pipe 53 is
Pvc pipe；Pressure fan 40 is centrifugal fan.
Air-conditioned room unit 45 includes air-conditioned room, is provided with indoor end 44 in air-conditioned room, based on 44 form of indoor end
The liquid outlet of the cold beam of dynamic formula, indoor end 44 is connect by pipeline G6 with the inlet of surface air cooler 33, the feed liquor of indoor end 44
Mouthful connect by the first pipe network with double cold source water coolers 47, be provided with air inlet 50 on the side wall of air-conditioned room, air inlet 50 and
Air duct 54 is connected to, and is additionally provided with exhaust outlet 48 on the side wall of air-conditioned room.
As seen in figures 3-6, double cold source water coolers 47 include evaporative cooling system and mechanical refrigeration system；Evaporation cooling
System includes machine unit shell a, is provided with the second direct evaporating-cooling unit in machine unit shell a at center, is directly steamed second
Indirect evaporating-cooling unit is symmetrical set at left and right sides of hair cooling unit, two indirect evaporating-cooling units and second are directly
It is separated by partition between evaporation cooling unit, ventilation opening 52 is provided on partition, indirect evaporating-cooling unit passes through ventilation
Mouth 52 is connected to the second direct evaporating-cooling unit, and the bottom in machine unit shell a is provided with cold water storage cistern 6, and cold water storage cistern 6 is located at second
The lower section of direct evaporating-cooling unit and two indirect evaporating-cooling units, a part of water supply indoor end 44, a part of water
Recirculated water is provided as evaporator 31；Side institute of each indirect evaporating-cooling unit far from the second direct evaporating-cooling unit is right
Air inlet a1 is provided on the machine unit shell a side wall answered, above the second direct evaporating-cooling unit on corresponding machine unit shell a
It is provided with exhaust outlet b13, is provided with exhaust outlet a10 on corresponding machine unit shell a above each indirect evaporating-cooling unit；Cold water
Case 6 and mechanical refrigeration system are connect by the first pipe network with the inlet of indoor end 44, the second direct evaporating-cooling unit and
And mechanical refrigeration system is connect by the second pipe network with the liquid outlet of surface air cooler 33；
As shown in figure 3, the second direct evaporating-cooling unit includes water fender b15, the water distribution from top to bottom set gradually
Device a16, filler d22, filler c21 and filler b20, water fender b15 are located at immediately below exhaust outlet b13, and filler b20 is located at cold water storage cistern
6 tops, two ventilation openings 52 are symmetrical set below the filler b20 on corresponding left and right sides partition；It is also set in exhaust outlet b13
It is equipped with exhaust blower b12；Water distributor a16 and mechanical refrigeration system are connect by the second pipe network with the liquid outlet of surface air cooler 33.
As shown in figure 3, indirect evaporating-cooling unit include the water fender a8 from top to bottom set gradually, water distributor b17,
Filler a18 and indirect evaporation cooler 19, water fender a8 are located at immediately below exhaust outlet a10, are additionally provided with air draft in exhaust outlet a10
Machine a11, water distributor b17 are connect by the second water pipe 55 with cold water storage cistern 6, are provided with water pump a4 on the second water pipe 55；Indirect evaporation
Be provided with auxiliary air air inlet 5 on the corresponding machine unit shell a in the lower section of cooler 19, the side of indirect evaporation cooler 19 with into
Air port a1 is opposite, and the other side of indirect evaporation cooler 19 and ventilation opening 52 are opposite.
Auxiliary air air inlet 5 is grid air inlet, and exhaust blower a11, exhaust blower b12 use axial flow blower.
Air filter a2 is additionally provided between air inlet a1 and indirect evaporation cooler 19；It is also set up on second water pipe 55
There is electric water treatment device a3.
The air filter a2 of evaporative cooling system uses low efficient filter；Water distributor a16, water distributor b17 are drip type,
Second water pipe 55 is pvc pipe, and indirect evaporation cooler 19 uses vertical pipe type, to prevent from blocking in heat exchanger tube, while reducing unit
Size is provided with certain thickness filler a18 above indirect evaporation cooler 19, is able to extend the time of contact of air and water,
Keep water distribution effect more uniform；Unit filler is all made of GLASdek inorganic filler, the filler in the second direct evaporating-cooling unit
Layered arrangement can reduce air drag.
As shown in figure 4, mechanical refrigeration system includes machine unit shell c, it is provided with evaporator 31 in machine unit shell c, evaporates
Compressor 23 is symmetrical set at left and right sides of device 31, evaporator 31 includes evaporator shell and is arranged in evaporator shell body
Two groups of evaporator refrigerant coil pipes 25, two groups of evaporator refrigerant coil pipes 25, which correspond cooperation with two groups of compressors 23 respectively, to be made
With compressor 23 is connect by pipeline G1 with the liquid outlet of evaporator refrigerant coil pipe 25；Mechanical refrigeration system further includes two points
The condenser 9 not being located in the second direct evaporating-cooling unit two sides indirect evaporating-cooling unit, condenser 9 are located at exhaust blower
Between a11 and water fender a8, condensation temperature and pressure are reduced with the heat dissipation of the secondary exhausting of lower temperature, and then improve system energy
The refrigerant outlet 28 of effect, condenser 9 is connected with expansion valve 24 by pipeline G3, and expansion valve 24 is cold by pipeline G4 and evaporator
The inlet of matchmaker's coil pipe 25 connects, and the refrigerant inlet 27 of condenser 9 is connect by pipeline G2 with compressor 23；Pipeline G1, pipe
Road G2, pipeline G3 and pipeline G4 are copper pipe；
First pipe network includes pipeline G5, and one end of pipeline G5 is connect with the inlet of indoor end 44, and pipeline G5's is another
One end is connected with the first water segregator, and pipeline G5 is connect with the feed water inlet c29 on the first water segregator, and the first water segregator passes through pipeline
G10 is connect with the feed water inlet a7 of cold water storage cistern 6, and the first water segregator is connect by pipeline G8 with the feed water inlet b26 on evaporator shell,
Water pump c46 is additionally provided on pipeline G5；
Second pipe network includes pipeline G7, and one end of pipeline G7 is connect with the liquid outlet of surface air cooler 33, and pipeline G7's is another
End is connected with the second water segregator, and pipeline G7 is connect with the water return outlet c51 on the second water segregator, and the second water segregator passes through pipeline G11
It is connect with the water return outlet a14 of water distributor a16, the second water segregator is connect by pipeline G9 with the water return outlet b30 on evaporator shell.
The operating mode of chilled water system of the invention is as follows:
(1) the cooling aqueous mode processed of evaporation
Water pump a4, exhaust blower a11, exhaust blower b12 are opened, mechanical refrigeration system is closed.Outdoor fresh air passes through air inlet a1
Into air filter a2 filtration, purification, then sent out in dry passage with pipe inside air on the outside of the pipe of indirect evaporation cooler 19
Heat exchange, on the outside of pipe fresh air by etc. it is clammy but, this process, which can reduce, sequentially enters water cooler packed tower (water cooler filler
Tower is arranged from bottom to up by filler b20, filler c21 and filler d22 and is formed) air wet-bulb temperature.Fresh air after cooling is again
Into in water cooler packed tower, 44 return water of indoor end is entered in water distributor a16 by water return outlet 14 and is sprayed at this time, shower water
It is directly contacted with the air for entering water cooler packed tower, hot and humid area occurs, 44 return water temperature of indoor end is fallen after being lowered
Into cold water storage cistern 6, cold water temperature made from the process is lower than the wet-bulb temperature of outdoor air, and cold water obtained passes through feed water inlet a7
Indoor end 44 is supplied, fresh air is discharged by exhaust blower 12.
(2) aqueous mode processed is combined in evaporation cooling with mechanical refrigeration
Under extreme conditions, while water pump a4, exhaust blower a11, exhaust blower b12 and mechanical refrigeration system being opened.A part
Indoor end return water returns to evaporative cooling system, and the cooling aqueous mode processed of evaporation is the same as (1) mode.Another part indoor end return water is logical
It crosses water return outlet b30 to enter in evaporator 31, the liquid refrigerant in evaporator refrigerant coil pipe 25 absorbs return water in evaporator 31
Heat after gasify, indoor end return water temperature is lowered, be made low-temperature cold water, gaseous refrigerant include absorb heat,
It is sucked through pipeline G1 by compressor 23, the gas final vacuum of boil down to high temperature and pressure enters condenser 9 through pipeline G2；At this point, another
A part of outdoor fresh air by auxiliary air air inlet 5 enter indirect evaporation cooler 19 in and shower water comes into full contact with, etc. enthalpy drops
By water fender a8 after temperature, the heat for taking away condenser 9 is discharged via exhaust blower a11, and refrigerant is condensed into liquid, then through pipe
Road G3 is sent to expansion valve 24, and expansion valve 24 supplements the refrigerant of condensation to evaporator refrigerant coil pipe 25, so by pipeline G4
It moves in circles；Cold water made from mechanical refrigeration is flowed out by feed water inlet b26, and the cooling high temperature cold water produced of evaporation is flowed through feed water inlet a7
Out, the two passes through again is sent to indoor end by feed water inlet c29 infeed water supply network after the first water segregator mixes according to a certain percentage
44。
(3) double cold source chilled water system operating modes
The cold water produced through above-mentioned (1) (2) process is flowed out from water cooler feed water inlet c29, sent to the room by water pipe G5
In 44 decontamination chamber of end it is wet more than waste heat after, then the surface air cooler 33 of Fresh air handling units 49 is supplied to through pipeline G6, after cooling down to surface air cooler 33
The water return outlet 51 of water cooler 47 is flow to by pipeline G7, at this point, cold water enters steaming by water return outlet a14 under (1) aqueous mode processed
Cooling system is sent out, under (2) aqueous mode processed, cold water is by the second water segregator according to a certain percentage by water return outlet a14, water return outlet
B30 respectively enters evaporation cooling and mechanical refrigeration system, loops back and forth like this.
Claims (10)
1. a kind of evaporation is cooling to cooperate with the double cold source chilled water systems of coupling with evaporative condenser, which is characterized in that include to pass through air duct
The Fresh air handling units (49) and air-conditioned room unit (45) of connection, the air-conditioned room unit (45) are connected with double cold sources by the first pipe network
Water cooler (47), double cold source water coolers (47) are connect by the second pipe network with Fresh air handling units (49), the new blower
Group (49) is also connect by pipeline G6 with air-conditioned room unit (45).
2. a kind of evaporation according to claim 1 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
Be, the Fresh air handling units (49) include machine unit shell b, be respectively arranged on the machine unit shell b opposite two sidewalls into
Air port b (32) and air outlet (40) are disposed with surface air cooler (33), the according to air-flow direction in the machine unit shell b
One directly evaporates cooling unit, water fender c (41) and pressure fan (39), and organic frame (38) are arranged below the pressure fan (39)；
The air outlet (40) is connected to by air duct (54) with air-conditioned room unit (45), and the liquid outlet of the surface air cooler (33) passes through second
Pipe network is connect with double cold source water coolers (47), and the inlet of the surface air cooler (33) passes through pipeline G6 and air-conditioned room unit (45)
Connection.
3. a kind of evaporation according to claim 2 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, the first direct evaporating-cooling unit includes the water distributor c (42) from top to bottom set gradually, filler e (37) and stores
Water tank (36), the water distributor c (42) are connected to by the first water pipe (53) with water storage box (36), on first water pipe (53) also
It is provided with water pump b (35) and electric water treatment device b (34).
4. a kind of evaporation according to claim 2 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, air filter b (43) is provided between the air inlet b (32) and the surface air cooler (33).
5. a kind of evaporation according to claim 2 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, the air-conditioned room unit (45) includes air-conditioned room, is provided in the air-conditioned room indoor end (44), the indoor end
The liquid outlet of (44) is held to pass through the inlet of pipeline G6 and surface air cooler (33), the inlet of the indoor end (44) passes through first
Pipe network is connect with double cold source water coolers (47), and air inlet (50), the air inlet are provided on the side wall of the air-conditioned room
(50) it is connected to the air duct (54), exhaust outlet (48) is additionally provided on the side wall of the air-conditioned room.
6. a kind of evaporation according to claim 5 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, double cold source water coolers (47) include evaporative cooling system and mechanical refrigeration system；The evaporative cooling system
Include machine unit shell a, is provided with the second direct evaporating-cooling unit in the machine unit shell a at center, it is straight described second
Connect and be symmetrical set indirect evaporating-cooling unit at left and right sides of evaporation cooling unit, two indirect evaporating-cooling units with
It is separated by partition between the second direct evaporating-cooling unit, ventilation opening (52) is provided on the partition, between described
It connects evaporation cooling unit to be connected to by ventilation opening (52) with the second direct evaporating-cooling unit, in the machine unit shell a
Bottom is provided with cold water storage cistern (6), and the cold water storage cistern (6) is located at the second direct evaporating-cooling unit and two indirect steamings
Send out the lower section of cooling unit；Side institute of each indirect evaporating-cooling unit far from the second direct evaporating-cooling unit
It is provided on corresponding machine unit shell a side wall air inlet a (1), corresponding machine above the second direct evaporating-cooling unit
It is provided with exhaust outlet b (13) on group shell a, is arranged on corresponding machine unit shell a above each indirect evaporating-cooling unit
There are exhaust outlet a (10)；The cold water storage cistern (6) and mechanical refrigeration system are connected by the first pipe network and the inlet of indoor end (44)
Connect, the second direct evaporating-cooling unit and and mechanical refrigeration system connected by the liquid outlet of the second pipe network and surface air cooler (33)
It connects.
7. a kind of evaporation according to claim 6 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
Be, the second direct evaporating-cooling unit include the water fender b (15) from top to bottom set gradually, water distributor a (16),
Filler d (22), filler c (21) and filler b (20), the water fender b (15) are located at immediately below exhaust outlet b (13), the filler b
(20) it is located above cold water storage cistern (6), two ventilation openings (52) are on the corresponding left and right sides partition in the lower section filler b (20)
It is symmetrical arranged；Exhaust blower b (12) are additionally provided in the exhaust outlet b (13)；The water distributor a (16) and mechanical refrigeration system are logical
The second pipe network is crossed to connect with the liquid outlet of surface air cooler (33).
8. a kind of evaporation according to claim 7 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, the indirect evaporating-cooling unit includes the water fender a (8) from top to bottom set gradually, water distributor b (17), filler a
(18) and indirect evaporation cooler (19), the water fender a (8) are located at immediately below exhaust outlet a (10), the exhaust outlet a (10)
It being inside additionally provided with exhaust blower a (11), the water distributor b (17) is connect by the second water pipe (55) with cold water storage cistern (6), and described second
Water pump a (4) are provided on water pipe (55)；Two are provided on corresponding machine unit shell a below the indirect evaporation cooler (19)
Secondary air air inlet (5), the side of the indirect evaporation cooler (19) and air inlet a (1) relatively, the indirect evaporating-cooling
The other side and ventilation opening (52) of device (19) are opposite.
9. a kind of evaporation according to claim 8 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, air filter a (2) is additionally provided between the air inlet a (1) and the indirect evaporation cooler (19)；Described
Electric water treatment device a (3) are additionally provided on two water pipes (55).
10. a kind of evaporation according to claim 8 is cooling to cooperate with the double cold source chilled water systems of coupling, feature with evaporative condenser
It is, the mechanical refrigeration system includes machine unit shell c, and evaporator (31), the evaporation are provided in the machine unit shell c
It has been symmetrical set compressor (23) at left and right sides of device (31), the evaporator (31) includes that evaporator shell and setting are being steamed
Send out the intracorporal two groups of evaporator refrigerants coil pipe (25) of device shell, evaporator refrigerant coil pipe (25) described in two groups respectively with two groups of compressors
(23) it corresponds and is used cooperatively, the compressor (23) is connected by the liquid outlet of pipeline G1 and evaporator refrigerant coil pipe (25)
It connects；The mechanical refrigeration system further includes two and is respectively provided at the second direct evaporating-cooling unit two sides indirect evaporating-cooling unit
Interior condenser (9), the condenser (9) are located between exhaust blower a (11) and water fender a (8), the system of the condenser (9)
Cryogen outlet (28) is connected with expansion valve (24) by pipeline G3, and the expansion valve (24) passes through pipeline G4 and evaporator refrigerant disk
The inlet connection of (25) is managed, the refrigerant inlet (27) of the condenser (9) is connect by pipeline G2 with compressor (23)；
First pipe network includes pipeline G5, and one end of the pipeline G5 is connect with the inlet of indoor end (44), described
The other end of pipeline G5 is connected with the first water segregator, and first water segregator is connect by pipeline G10 with cold water storage cistern (6), described
First water segregator is connect by pipeline G8 with the feed water inlet b (26) on the evaporator shell, is additionally provided on the pipeline G5
Water pump c (46)；
Second pipe network includes pipeline G7, and one end of the pipeline G7 is connect with the liquid outlet of surface air cooler (33), the pipe
The other end of road G7 is connected with the second water segregator, and second water segregator is connect by pipeline G11 with water distributor a (16), described
Second water segregator is connect by pipeline G9 with the water return outlet b (30) on the evaporator shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413236.0A CN110186128B (en) | 2019-05-17 | 2019-05-17 | Evaporative cooling and evaporative condensation cooperative coupling double-cold-source cold water system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413236.0A CN110186128B (en) | 2019-05-17 | 2019-05-17 | Evaporative cooling and evaporative condensation cooperative coupling double-cold-source cold water system |
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| CN110186128B CN110186128B (en) | 2020-12-08 |
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| CN102494377A (en) * | 2011-12-01 | 2012-06-13 | 西安工程大学 | Semi-integrated air conditioning system with two high-temperature chilled water sets and dry-type fan coil |
| CN202485129U (en) * | 2012-01-31 | 2012-10-10 | 西安工程大学 | Evaporative cooling double-cold-source type semi-concentration type air conditioning system |
| CN203443002U (en) * | 2013-08-27 | 2014-02-19 | 西安建筑科技大学 | Double-cold-source air conditioner with gas-liquid separator |
| EP2027421B1 (en) * | 2006-05-22 | 2015-08-12 | Statiqcooling B.V. | Enthalpy exchanger |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2027421B1 (en) * | 2006-05-22 | 2015-08-12 | Statiqcooling B.V. | Enthalpy exchanger |
| CN102494377A (en) * | 2011-12-01 | 2012-06-13 | 西安工程大学 | Semi-integrated air conditioning system with two high-temperature chilled water sets and dry-type fan coil |
| CN202485129U (en) * | 2012-01-31 | 2012-10-10 | 西安工程大学 | Evaporative cooling double-cold-source type semi-concentration type air conditioning system |
| CN203443002U (en) * | 2013-08-27 | 2014-02-19 | 西安建筑科技大学 | Double-cold-source air conditioner with gas-liquid separator |
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| CN110186128B (en) | 2020-12-08 |
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