CN109855212A - The air-conditioning device of cooling capacity cascade utilization - Google Patents
The air-conditioning device of cooling capacity cascade utilization Download PDFInfo
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- CN109855212A CN109855212A CN201811006332.5A CN201811006332A CN109855212A CN 109855212 A CN109855212 A CN 109855212A CN 201811006332 A CN201811006332 A CN 201811006332A CN 109855212 A CN109855212 A CN 109855212A
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- water
- heat exchanger
- plate heat
- outlet
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 189
- 238000004378 air conditioning Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 308
- 230000006835 compression Effects 0.000 claims abstract description 101
- 238000007906 compression Methods 0.000 claims abstract description 101
- 239000000498 cooling water Substances 0.000 claims abstract description 62
- 238000001704 evaporation Methods 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 15
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims description 33
- 238000005057 refrigeration Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 abstract description 28
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005373 pervaporation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 235000019013 Viburnum opulus Nutrition 0.000 description 1
- 244000071378 Viburnum opulus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- ASTNLROMDNGJLS-UHFFFAOYSA-N hot-7 Chemical compound CCCSC1=CC(OC)=C(CCNO)C=C1OC ASTNLROMDNGJLS-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The invention discloses a kind of air-conditioning devices of cooling capacity cascade utilization, the water outlet of water tank is connected to the first plate heat exchanger primary side, second plate heat exchanger primary side, the cooling water side of first surface air cooler and the first mechanical compression type water cooler, the cooling water water outlet of first mechanical compression type water cooler is connected to spray equipment, the water outlet of first user is sequentially connected the first plate exchanger secondary side and the first mechanical compression type water cooler chilled water side, second user is arranged in second plate exchanger secondary side, or first plate heat exchanger secondary side be arranged the first user, third user is arranged in the chilled water side of first mechanical compression type water cooler.Structure of the invention is reasonable, and cryogenic energy utilization is abundant, and cooling capacity is avoided to waste, and power savings advantages are obvious, can obtain effective guarantee to avoid the security risk of the cooling cooling water installation water quality of evaporation user disk blockage caused by not high, the air conditioning performance of user.
Description
Technical field
The invention belongs to the air processor of field of heating ventilation air conditioning, the air-conditioning of especially a kind of cooling capacity cascade utilization is filled
It sets.
Background technique
It is increasingly mature with water evaporation for cooling technology, sweat cooling technology in the air-conditioning refrigeration system of Arid Area
Through there is the application method of comparative maturity, since dry air energy sweat cooling technology has the advantage of huge energy conservation and environmental protection,
Therefore it can maximumlly be freezed using dry air within air-conditioning systems and be conducive to building energy conservation.It finds after study, some half
Arid Area can also can directly can be freezed using dry air in 1 year different time region for cold season, but
It is the requirement for only using dry air energy sweat cooling there are certain period of time and not being able to satisfy air-conditioning system, therefore by sweat cooling
Technology becomes the direction studied at one with the air-conditioning system that tradition machinery refrigeration combines；About the two combine method compared with
It is more, it is different combination and cuts both ways, may be energy saving although only using mechanical refrigeration relatively, but all there is energy conservation
The problem that advantage is unobvious or initial cost is larger.
The performance for evaporating cooling water-cooling device is sent out with the outdoor air wet bulb temperature for evaporating cooling water-cooling device is entered
Changing, in xeothermic area, the leaving water temperature for evaporating cooling water-cooling device is generally relatively low, but directly as cold water supply user
In use, temperature is again higher, and after pressing 5 DEG C of temperature difference released cold quantities as cooling water, the return water temperature of cooling water is still relatively low,
If this part cooling water returns to the cooling water-cooling device of evaporation and continues cycling through cooling, the cooling capacity release of cooling water is insufficient,
Inevitably cooling capacity is caused to waste, the heat exchange efficiency for evaporating cooling water-cooling device reduces, and the cooling water-cooling device of different types of evaporation is (such as
Cooling tower and indirect evaporation water chiller) leaving water temperature it is different, and the leaving water temperature of tradition machinery refrigeration cooling-water machine is generally low
In the leaving water temperature for evaporating cooling water-cooling device, it is necessary to the recirculated water process of the cooling water-cooling device of rationally setting evaporation, rationally benefit
The cold water produced with mechanical refrigeration cooling-water machine and the cooling water-cooling device of evaporation can be only achieved the abundant energy conservation and peace of air-conditioning system
The requirement entirely used.
Summary of the invention
The purpose of the present invention is to provide a kind of air-conditioning devices of cooling capacity cascade utilization, and structurally reasonable, cryogenic energy utilization fills
Point, avoid cooling capacity from wasting, power savings advantages are obvious, can to avoid evaporate cooling water-cooling device water quality it is not high caused by user disk pipe plug
The air conditioning performance of the security risk of plug, user obtains effective guarantee.
The object of the present invention is achieved like this: a kind of air-conditioning device of cooling capacity cascade utilization, including evaporates cooling cold water
Device sets gradually water tank, air inlet, filler, spray equipment and exhaust blower, on air inlet from bottom to top in its cabinet
First surface air cooler is set, and the outlet pipe of water tank is connected to the import of the first plate heat exchanger primary side by first circulation pump
Pipe, the outlet of primary side are connected to the inlet tube of the second plate heat exchanger primary side, and the outlet of primary side is connected to
The inlet tube of first surface air cooler, the outlet of the first surface air cooler are connected to the first mechanical compression type water cooler cooling water inlet
Pipe, the first mechanical compression type water cooler cooling water outlet pipe are connected to spray equipment, and the secondary side of the first plate heat exchanger goes out
Mouth pipe is connected to the first mechanical compression type water cooler chilled water import pipe, the first mechanical compression type cold water by second circulation pump
Unit chilled water outlet pipe is connected to the inlet tube of the first user, and the outlet of the first user is connected to the first plate heat exchanger two
The inlet tube of secondary side, the outlet of the second plate exchanger secondary side are connected to the import of second user by third circulating pump
Pipe, the outlet of second user are connected to the inlet tube of the second plate exchanger secondary side；Or first plate heat exchanger it is secondary
The outlet of side is connected to the inlet tube of the first plate exchanger secondary side by second circulation pump, the first user, and first is mechanical
Compression water cooler chilled water outlet pipe is connected to the first mechanical compression type water cooler by the 4th circulating pump, third user
Chilled water import pipe.
The present invention gives first user's cooling supply, that is, indoor high temperature end to carry out for the first time by the first plate heat exchanger
Heat exchange, the raised cold water of temperature are used for the second plate heat exchanger, and second user cooling supply, that is, Fresh air handling units is given to carry out second
Heat exchange, the cold water after temperature rise twice are used for mechanical compression type water cooler, mechanical compression type cooling-water machine as cooling water
Group produces third user of the cold water for air-conditioning system, that is, low temperature end, the first user and the equal enclosed operation of second user,
System modulability is preferable, and safety is higher.As needed, the cold water after the first user heat exchange can be first board-like first
The pre-cooling of heat exchanger secondary side, the chilled water side for entering back into mechanical compression type water cooler further cool down, the cold water of the first user
Temperature is lower.As needed, the primary side water outlet of the first plate heat exchanger can completely or partially enter the second plate heat exchanger,
The configuration of the second plate heat exchanger is reduced, meanwhile, it exchanges heat by the first plate heat exchanger or the second plate heat exchanger cold
Water enters the cooling surface air cooler for cold water of evaporation completely or partially fresh air is pre-chilled, and evaporates the leaving water temperature of cooling water-cooling device more
It is low, while the configuration for evaporating cooling water-cooling device is reduced, the water for user is bigger, and system economy is higher.
Advantage:
1, the cryogenic energy utilization for evaporating cooling water-cooling device is abundant, avoids cooling capacity from wasting, power savings advantages are obvious；
2, evaporation cooling technique and mechanical refrigeration techniques are integrated as air conditioner user cooling supply, and the air conditioning performance of user is effectively protected
Barrier；
3, enclosed operation may be implemented in user side chilled water system, avoid the cooling water-cooling device water quality of evaporation it is not high caused by user
The security risk of coil pipe blocking, while heat source can be set in user side, facilitate user to heat use in winter；
4, it evaporates cooling water-cooling device and provides high temperature cold water for user；Mechanical compression type refrigeration unit provides low temperature cold for end
Water realizes that the heat transfer form of " for high temperature to high temperature, low temperature is to low temperature ", the structure size of end heat-exchanger rig reduce, and refrigerating capacity is big,
Energy saving is significant；
5, the return water of user can be pre-chilled by evaporating the high temperature cold water that cooling water-cooling device is produced, under the meteorological condition of part,
Room conditioning refrigeration can be met by only relying on evaporation cooling technique, and the configuration of mechanical compression type water cooler reduces, energy saving
Obviously；
6, the surface air cooler that the cold water after exchanging heat by user can be used for evaporating cooling water-cooling device carries out outdoor fresh air pre-
Cold, the whole configuration for evaporating cooling water-cooling device reduces, and user's water is bigger.
Structure of the invention is reasonable, and cryogenic energy utilization is abundant, and cooling capacity is avoided to waste, and power savings advantages are obvious, avoids evaporation cooling
The security risk of user disk blockage caused by water-cooling device water quality is not high, the air conditioning performance of user have obtained effective guarantee.
Detailed description of the invention
Below in conjunction with attached drawing, the present invention will be further described, and Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention, Fig. 2
For 2 structural schematic diagram of the embodiment of the present invention, Fig. 3 is 3 structural schematic diagram of the embodiment of the present invention, and Fig. 4 is 4 structure of the embodiment of the present invention
Schematic diagram, Fig. 5 are 5 structural schematic diagram of the embodiment of the present invention, and Fig. 6 is 6 structural schematic diagram of the embodiment of the present invention, and Fig. 7 is the present invention
7 structural schematic diagram of embodiment, Fig. 8 are 8 structural schematic diagram of the embodiment of the present invention, and Fig. 9 is 9 structural schematic diagram of the embodiment of the present invention,
Figure 10 is 10 structural schematic diagram of the embodiment of the present invention, and Figure 11 is 11 structural schematic diagram of the embodiment of the present invention, and Figure 12 is that the present invention is real
12 structural schematic diagram of example is applied, Figure 13 is 13 structural schematic diagram of the embodiment of the present invention, and Figure 14 is 14 structural representation of the embodiment of the present invention
Figure, Figure 15 are 15 structural schematic diagram of the embodiment of the present invention, and Figure 16 is 16 structural schematic diagram of the embodiment of the present invention.
Specific embodiment
A kind of air-conditioning device of cooling capacity cascade utilization as shown in Figure 1 and Figure 2, including evaporates cooling water-cooling device, in its machine
Water tank 1, air inlet, filler 3, spray equipment 4 and exhaust blower 5 are set gradually in case from bottom to top, is arranged on air inlet
First surface air cooler 2, the outlet pipe of water tank 1 are connected to the inlet tube of 7 primary side of the first plate heat exchanger by first circulation pump 6,
The outlet of its primary side is connected to the inlet tube of 12 primary side of the second plate heat exchanger, and the outlet of primary side is connected to
The inlet tube of one surface air cooler 2, the outlet of the first surface air cooler 2 are connected to 13 cooling water inlet of the first mechanical compression type water cooler
Pipe, 13 cooling water outlet pipe of the first mechanical compression type water cooler are connected to spray equipment 4, the first plate heat exchanger 7 it is secondary
Side outlet pipe is connected to 13 chilled water import pipe of the first mechanical compression type water cooler, the first machinery pressure by second circulation pump 9
13 chilled water outlet pipe of contracting formula water cooler is connected to the inlet tube of the first user 8, and the outlet of the first user 8 is connected to first
The outlet of the inlet tube of 7 secondary side of plate heat exchanger, 12 secondary side of the second plate heat exchanger is connected by third circulating pump 11
The inlet tube of second user 10, the outlet of second user 10 be connected to the inlet tube of 12 secondary side of the second plate heat exchanger,
Or the outlet of 7 secondary side of the first plate heat exchanger pumps the 9, first user 8 by second circulation and is connected to the first plate-type heat-exchange
The inlet tube of 7 secondary side of device, 13 chilled water outlet pipe of the first mechanical compression type water cooler are used by the 4th circulating pump 14, third
Family 15 is connected to 13 chilled water import pipe of the first mechanical compression type water cooler.As shown in Figure 1, the one of the first plate heat exchanger 7
Secondary side water outlet enters the primary side of the second plate heat exchanger 12, is the air-conditioning second user 10 of 12 secondary side of the second plate heat exchanger
Cold water is provided, the water outlet of 12 primary side of the second plate heat exchanger is through the first surface air cooler 2 of the cooling water-cooling device of pervaporation, for pre-
Cold to enter the outdoor fresh air for evaporating cooling water-cooling device, the water outlet of the first surface air cooler 2 enters the first mechanical compression as cooling water
The cooling water side of formula water cooler 13, the cooling water water outlet of the first mechanical compression type water cooler 13 return to the cooling cold water dress of evaporation
Set circulation temperature lowering.The secondary side water outlet of first plate heat exchanger 7 enters first as chilled water under the action of second circulation pump 9
Mechanical compression type water cooler 13, chilled water is further cooling to freeze for the first user of air-conditioning 8 later, and the first user's 8 goes out
Water returns to the secondary side return water of the first plate heat exchanger 7, evaporates the cold of cooling water-cooling device by 7 primary side of the first plate heat exchanger
Water pre-cooling.First user 8 can be indoor high temperature end, and second user 10 can be Fresh air handling units, as shown in Fig. 2, the first plate
The primary side water outlet of formula heat exchanger 7 enters the primary side of the second plate heat exchanger 12, is 12 secondary side of the second plate heat exchanger
Air-conditioning second user 10 provides cold water, and the water outlet of the primary side of the first plate heat exchanger 7 enters the one of the second plate heat exchanger 12
Secondary side, the second plate heat exchanger 12 primary side water outlet as cooling water enter the first mechanical compression type water cooler 13, first
The cooling water water outlet of mechanical compression type water cooler 13 returns to the cooling water-cooling device circulation temperature lowering of evaporation.First plate heat exchanger 7
The first user of air-conditioning 8 is arranged in secondary side, and air-conditioning second user 10, the first mechanical compression is arranged in 12 secondary side of the second plate heat exchanger
Air-conditioning third user 15 is arranged in 13 chilled water side of formula water cooler, and the first user 8 can be indoor high temperature end, second user 10
It can be Fresh air handling units, third user 15 can be indoor low temperature end.In this system flow, the first plate heat exchanger 7 two
The chilled water side cold water of secondary side and the first mechanical compression type water cooler 13 is parallel with one another, the first user 8 and third user's 15
Modulability is more convenient, as needed, can enter 12 primary side of the second plate heat exchanger by bypass pipe and valve regulated
Water, to reduce the configuration of the second plate heat exchanger 12.
As shown in figure 3, the outlet of 7 primary side of the first plate heat exchanger is connected to the inlet tube of the first surface air cooler 2, first
The outlet of surface air cooler 2 is connected to the inlet tube of 12 primary side of the second plate heat exchanger, 12 primary side of the second plate heat exchanger
Outlet is connected to 13 cooling water inlet pipe of the first mechanical compression type water cooler, and the first mechanical compression type water cooler 13 is cooling
Water outlet pipe is connected to spray equipment 4.The primary side water outlet of first plate heat exchanger 7, which enters, evaporates the first of cooling water-cooling device
Surface air cooler 2, for being pre-chilled into the outdoor fresh air for evaporating cooling water-cooling device, it is board-like that the water outlet of the first surface air cooler 2 enters second
The secondary side cold water of the primary side of heat exchanger 12, the second plate heat exchanger 12 freezes for air-conditioning second user 10, and second is board-like
The primary side water outlet of heat exchanger 12 enters the first mechanical compression type water cooler 13, the first mechanical compression type cold water as cooling water
The cooling water water outlet of unit 13 returns to the cooling water-cooling device circulation temperature lowering of evaporation.By the return water of 7 primary side of the first plate heat exchanger
Fresh air is pre-chilled for the first surface air cooler 2, the water temperature by the first surface air cooler 2 is lower, evaporates the leaving water temperature of cooling water-cooling device
It is lower.
As shown in figure 4, two groups of concatenated first, second surface air coolers are arranged on the air inlet for evaporating cooling water-cooling device
2,16,7 primary side outlet of the first plate heat exchanger is connected to the inlet tube of the first surface air cooler 2, in the first plate heat exchanger 7 one
Bypass is also set up on secondary side outlet pipe, bypass is connected to the inlet tube of 12 primary side of the second plate heat exchanger by valve 17,
The outlet of second plate heat exchanger, 12 primary side is connected to the inlet tube of the second surface air cooler 16, the first, second surface air cooler 2,16
Outlet be connected to 13 cooling water inlet pipe of the first mechanical compression type water cooler.In the air inlet for evaporating cooling water-cooling device
Setting the first, second surface air cooler 2,16 in place's evaporates the cold water that cooling water-cooling device is produced and enters the first plate by first circulation pump 6
Return water a part of 7 primary side of formula heat exchanger, 7 primary side of the first plate heat exchanger passes through 12 primary side of the second plate heat exchanger,
First surface air cooler 2 of a part through the cooling water-cooling device of pervaporation, the return water of 12 primary side of the second plate heat exchanger pass through evaporation
Second surface air cooler 16 of cooling water-cooling device, the water outlet of the first surface air cooler 2 and the second surface air cooler 16 are used as cooling water to enter the
One mechanical compression type water cooler 13, the raised cooling water of temperature return to the cooling water-cooling device circulation temperature lowering of evaporation, outdoor temperature
Higher heated dry air cools down step by step by the first surface air cooler 2 and the second surface air cooler 16, evaporates the water outlet of cooling water-cooling device
Temperature is lower, and the return water of 7 the first user of secondary side 8 of the first plate heat exchanger is first by the Hydro pre-cooling of primary side, then passes through second
The chilled water side that circulating pump 9 enters the first mechanical compression type water cooler 13 is freezed after further cooling down for the first user 8, the
The cold water of 12 secondary side of double-plate heat exchanger freezes for air-conditioning second user 10.
As shown in figure 5, bypass is arranged in the outlet of 7 primary side of the first plate heat exchanger, bypass is connected by valve 17
The inlet tube of 12 primary side of the second plate heat exchanger, the outlet of the first surface air cooler 2 be connected to the first mechanical compression type cold water
13 cooling water inlet pipe of unit, the outlet of 12 primary side of the second plate heat exchanger are connected to the outlet of the first surface air cooler 2, the
The outlet pipe of one plate heat exchanger, 7 secondary side is connected with 13 chilled water water inlet pipe of the first mechanical compression type water cooler, and first
13 chilled water outlet pipe of mechanical compression type water cooler is connected with the water inlet pipe of the first user.The one of first plate heat exchanger 7
A part of secondary side water outlet enters the first surface air cooler 2 for evaporating cooling water-cooling device, evaporates cooling cold water dress for being pre-chilled to enter
The outdoor fresh air set, a part enter 12 primary side of the second plate heat exchanger, the water outlet of 12 primary side of the second plate heat exchanger with
After the water outlet mixing of first surface air cooler 2, enter the first mechanical compression type water cooler 13, the first mechanical compression as cooling water
The cooling water water outlet of formula water cooler 13 returns to the cooling water-cooling device circulation temperature lowering of evaporation.It is used in this system flow for second
The water at family 10 reduces, and the configuration of the second plate heat exchanger 12 reduces, and economy is more preferable, while entering the water of the first surface air cooler 2
Temperature is also lower, and the leaving water temperature for evaporating cooling water-cooling device is lower, as needed, can be in the primary of the second plate heat exchanger 12
17 regulating pondage of valve is set on the inlet pipeline of side.
As shown in fig. 6, the outlet of 7 primary side of the first plate heat exchanger is connected by the three-way connection and valve 17 of setting
The inlet tube of 12 primary side of the second plate heat exchanger, it is cold that the outlet of 12 primary side of the second plate heat exchanger is connected to the first table
The inlet tube of device 2, wherein another interface of three-way connection is connected to the outlet of 12 primary side of the second plate heat exchanger.First
Water outlet a part of plate heat exchanger 7 enters 12 primary side of the second plate heat exchanger, and 12 primary side of the second plate heat exchanger goes out
It is cold into the first table for evaporating cooling water-cooling device after water is mixed with a part water outlet of 7 primary side of the first plate heat exchanger
Device 2 is pre-chilled outdoor fresh air, the water outlet of the first surface air cooler 2 as cooling water into the first mechanical compression type water cooler 13, first
The cooling water water outlet of mechanical compression type water cooler 13 returns to the cooling water-cooling device circulation temperature lowering of evaporation.For the in this mode
The required water of two users 10 is smaller, and the configuration of the second plate heat exchanger 12 reduces, and econmics comparison is good, enters simultaneously
The cold water water of first surface air cooler 2 is bigger, is conducive to the first surface air cooler 2 preferably pre-cooling outdoor fresh air, as needed, can be with
17 regulating pondage of valve is set on the primary side inlet pipeline of the second plate heat exchanger 12.
As shown in fig. 7, the company at 7 secondary side of the first plate heat exchanger, 12 secondary side import and export of the second plate heat exchanger
It is respectively provided with valve 17 on adapter tube and in the connecting tube at 13 chilled water import and export of the first mechanical compression type water cooler, the
7 two side outlets of pipeline and the first plate heat exchanger between 7 secondary side imported valve 17 of one user 8 and the first plate heat exchanger
Pipeline between valve 17 and second circulation pump 9 is connected to by communicating pipe, and valve 17 is installed on communicating pipe, board-like second
On pipeline between 12 secondary side outlet valve 17 of heat exchanger and third circulating pump 11 and 12 secondary side of the second plate heat exchanger into
Water supply bypass is respectively set on pipeline between mouth valve 17 and second user 10 and return water bypasses, passes through wherein supplying water and bypassing
Head end valve 17 and end valve 17 are connected to the outlet of 18 secondary side of third plate heat exchanger, and return water bypass passes through head end valve
17 and end valve 17 be connected to the inlet tube of 18 secondary side of third plate heat exchanger, 18 primary side of third plate heat exchanger
Import and export respectively connected heating water's pipe and hot water return pipe.Increase water heating plate to change, in the first user 8 and second user 10
Intake-outlet connect hot-water line, realize the winter heating of the first user 8 and second user 10, it is board-like that when heating closes first
The valve 17 of 12 secondary side of heat exchanger 7 and the second plate heat exchanger closes the valve of 13 chilled water side of mechanical compression water cooler
17, open the valve 17 that water heating plate changes between the valve 17 and 8 water outlet side of the first user and second circulation pump 9 of secondary side.
It is arranged on roofing 20 as shown in figure 8, evaporating cooling water-cooling device, the outlet of 7 secondary side of the first plate heat exchanger
Pipe is connected to 13 chilled water import pipe of the first mechanical compression type water cooler by second circulation pump 9, and the first mechanical compression type is cold
13 chilled water outlet pipe of water dispenser group is connected to the import of uniformly distributed more than two first users 8 in parallel, the first user 8 of uniformly distributed parallel connection
Outlet be connected to the inlet tube of 7 secondary side of the first plate heat exchanger, the outlet of 12 secondary side of the second plate heat exchanger is logical
The import that third circulating pump 11 is connected to uniformly distributed more than two second users 10 in parallel is crossed, uniformly distributed parallel connection second user 10 goes out
Mouthful pipe is connected to the inlet tube of 12 secondary side of the second plate heat exchanger, 1 outlet pipe of water tank, 2 import and export pipe of the first surface air cooler and
It is respectively provided with drainpipe on 4 water supplying pipe of spray equipment, drain valve 19 is set on drainpipe.Cooling water-cooling device setting is evaporated to exist
Roofing 20, the first plate heat exchanger 7 and the second plate heat exchanger 12 are arranged between basement or air-conditioning equipment, and evaporation cooling is cold
The cold water that water installations are produced by standpipe supply the first plate heat exchanger of basement 7 primary side, the one of the first plate heat exchanger 7
Secondary side return water enters the primary side of the second plate heat exchanger 12, and the primary side water outlet of the second plate heat exchanger 12 is entered by standpipe
First surface air cooler 2 of the cooling water-cooling device of the evaporation of roofing 20, the water outlet of the first surface air cooler 2 is by standpipe supply basement setting
The first mechanical compression type water cooler 13 be used as cooling water, the first mechanical compression type water cooler 13 cooling water water outlet passes through
Standpipe returns to the cooling water-cooling device circulation temperature lowering of evaporation, and the water outlet of the first user 8 returns to the first plate heat exchanger 7 by standpipe
Secondary side return water is evaporated the high temperature cold water that cooling water-cooling device is produced and is first pre-chilled, using the first machinery pressure after temperature reduction
To freeze after the further cooling of contracting formula water cooler 13 for the first user of air-conditioning 8, the first user 8 can be interior high temperature end,
The water outlet of second user 10 returns to the secondary side return water of the second plate heat exchanger 12 by standpipe, is passed through the second plate heat exchanger
The high temperature cold water of 12 primary sides heating is cooling, and second user 10 can be that Fresh air handling units as needed can be in the pipe of roofing 20
The top layer of road minimum point either air conditioning area facilitates the position of draining to be provided with drainpipe, is provided with drain valve on drainpipe
19, when conveniently not needing cooling supply in winter, the cold water in cooling water-cooling device is evaporated in emptying, it is ensured that pipeline will not be damaged by frost.
As shown in figure 9, bypass is arranged on the outlet of 7 primary side of the first plate heat exchanger, bypass passes through valve 17
It is connected to the import of 12 primary side of the second plate heat exchanger, the outlet of 12 primary side of the second plate heat exchanger is connected to the first table
On the outlet of cooler 2.Water outlet a part of first plate heat exchanger 7 enters the first surface air cooler 2 for evaporating cooling water-cooling device,
For being pre-chilled into the outdoor fresh air for evaporating cooling water-cooling device, a part enters 12 primary side of the second plate heat exchanger, and second
After the water outlet of 12 primary side of plate heat exchanger is mixed with the water outlet of the first surface air cooler 2, enter the first machinery pressure as cooling water
Contracting formula water cooler 13, the cooling water water outlet of the first mechanical compression type water cooler 13 return to the cooling water-cooling device cycle down of evaporation
Temperature.The first user of air-conditioning 8 is arranged in first plate heat exchanger, 7 secondary side, and air-conditioning second is arranged in 12 secondary side of the second plate heat exchanger
User 10,13 chilled water side of the first mechanical compression type water cooler setting air-conditioning third user 15, in this system flow, first
7 secondary side of plate heat exchanger and the chilled water side cold water of the first mechanical compression type water cooler 13 are parallel with one another, 8 He of the first user
The modulability of third user 15 is more convenient.
As shown in Figure 10, the outlet of 7 primary side of the first plate heat exchanger is connected to the inlet tube of the first surface air cooler 2, the
The outlet of one surface air cooler 2 is connected to the inlet tube of 12 primary side of the second plate heat exchanger, 12 primary side of the second plate heat exchanger
Outlet be connected to the inlet tube of 13 cooling water of the first mechanical compression type water cooler.The primary side of first plate heat exchanger 7
Water outlet enters the first surface air cooler 2 for evaporating cooling water-cooling device, for being pre-chilled into the outdoor fresh air for evaporating cooling water-cooling device,
The water outlet of first surface air cooler 2 enters the primary side of the second plate heat exchanger 12, and the secondary side cold water of the second plate heat exchanger 12 is used
Freeze in air-conditioning second user 10, the primary side water outlet of the second plate heat exchanger 12 enters the first mechanical compression type as cooling water
Water cooler 13, the cooling water water outlet of the first mechanical compression type water cooler 13 return to the cooling water-cooling device circulation temperature lowering of evaporation.
The first user of air-conditioning 8 is arranged in first plate heat exchanger, 7 secondary side, and air-conditioning second user is arranged in 12 secondary side of the second plate heat exchanger
10, air-conditioning third user 15 is arranged in 13 chilled water side of the first mechanical compression type water cooler, and in this system flow, first is board-like
7 secondary side of heat exchanger and the chilled water side cold water of the first mechanical compression type water cooler 13 are parallel with one another, the first user 8 and third
The modulability of user 15 is more convenient.First user 8 can be indoor high temperature end, and second user 10 can be Fresh air handling units,
Third user 15 can be indoor low temperature end.
As shown in figure 11, the cooling water-cooling device of evaporation, the first, second plate heat exchanger 7,12 are arranged on roofing 20,
First mechanical compression type water cooler 13 is arranged between basement 21 or air-conditioning equipment, the first side outlet of plate heat exchanger 7 two times
Pipe is connected to 13 chilled water import pipe of the first mechanical compression type water cooler by the drain valve 19 of second circulation pump 9 and setting,
First mechanical compression type water cooler, 13 chilled water outlet pipe is connected to the inlet tube of uniformly distributed more than two first users 8 in parallel,
The outlet of the first user 8 of uniformly distributed parallel connection is connected to the import of 7 secondary side of the first plate heat exchanger by the drain valve 19 of setting
The outlet of pipe, 12 secondary side of the second plate heat exchanger is connected to be evenly distributed with simultaneously by the drain valve 19 of third circulating pump 11 and setting
The inlet tube for joining more than two second users 10 passes through on 4 water supplying pipe of outlet and spray equipment of the first surface air cooler 2
The drainpipe of setting is installed with drain valve 19.Evaporate cooling water-cooling device, the first plate heat exchanger 7 and the second plate heat exchanger 12
Setting is arranged between basement 21 or air-conditioning equipment in roofing 20, the first mechanical compression type water cooler 13, and evaporation cooling is cold
For the cold water that water installations are produced by the primary side of the first plate heat exchanger 7, the primary side return water of the first plate heat exchanger 7 enters the
The primary side of double-plate heat exchanger 12, the primary side water outlet of the second plate heat exchanger 12 enter the cooling cold water dress of evaporation of roofing 20
The first surface air cooler 2 set, first mechanical compression type cold water group of the water outlet of the first surface air cooler 2 by standpipe supply basement setting
13 are used as cooling water, and the cooling water water outlet of the first mechanical compression type water cooler 13 returns to the cooling water-cooling device of evaporation by standpipe
Circulation temperature lowering, the water outlet of the first user 8 return to the secondary side return water of the first plate heat exchanger 7 by standpipe, and it is cold to be evaporated cooling
The high temperature cold water that water installations are produced first is pre-chilled, and temperature is further cooling using the first mechanical compression type water cooler 13 after reducing
Freeze afterwards for the first user of air-conditioning 8, the first user 8 can pass through standpipe for indoor high temperature end, the water outlet of second user 10
The secondary side return water for returning to the second plate heat exchanger 12, by cooling by the high temperature cold water that once heats up, second user 10 can be with
For Fresh air handling units, this arrangement reduces the quantity of standpipe, and initial cost can reduce, roofing 20 pipeline minimum point or
It is that the top layer of air conditioning area facilitates the position of draining to be provided with drainpipe, drain valve 19 is provided on drainpipe, it is board-like first
The 20 pipeline minimum point of roofing of 12 secondary side of heat exchanger 7 and the second plate heat exchanger or the top layer of air conditioning area facilitate draining
Drainpipe is arranged in position, and drain valve 19 is arranged on drainpipe, and when conveniently not needing cooling supply in winter, cooling cold water dress is evaporated in emptying
Cold water in setting and in the first plate heat exchanger 7 and the second plate heat exchanger 12, it is ensured that pipeline will not be damaged by frost.
As shown in figure 12,13 chilled water outlet pipe of the first mechanical compression type water cooler passes through concatenated 15 He of third user
First user 8 is connected to the import of 7 secondary side of the first plate heat exchanger.The water inlet of first user 8 is provided with third to use
Family 15, the first user 8 are indoor high temperature end, and third user 15 is indoor low temperature end, and second user 10 is Fresh air handling units, the
The low-temperature cold water of one mechanical compression type water cooler 13 first passes through third user 15, that is, the heat exchange of indoor low temperature end, then passes through
The first user 8, that is, indoor high temperature end heat exchange are crossed, it is primary in 7 secondary side of the first plate heat exchanger after temperature raising
The high temperature cold water of side is pre-chilled, and it is further cooling to enter back into the first mechanical compression type water cooler 13, recycles, and is arranged in series the
One user 8 and third user 15, the cooling capacity of cold water sufficiently discharge.
As shown in figure 13, third user 15 is indoor low temperature end, and low-temperature region indoors is arranged in third user 15, the
The high-temperature area of one user 8 setting indoors.Third user 15 is indoor low temperature end, the setting of third user 15 indoors low
Temperature area, the first user 8 are indoor high temperature end, the high-temperature area of the first user 8 setting indoors, the lower cold water elder generation of temperature
In low-temperature region, the refrigeration duty of low-temperature region is taken away by low temperature end, is entered back into the first user 8, is taken away by high temperature end
The cooling capacity of the refrigeration duty of high-temperature area, cold water sufficiently discharges, and can pass through construction wall etc. between high-temperature area and low-temperature region
Building enclosure is spaced from each other, and can also be separated by internal sunshade device, and the first user 8 namely high temperature end is arranged in high-temperature region
Domain.
As shown in figure 14, third user 15 is indoor low temperature end, and low-temperature region indoors is arranged in third user 15, the
One user 8 is indoor high temperature end, and the window side of the first user 8 setting indoors, indoor return air is by passive type curtain 21
The refrigeration duty of window area is taken away, return air is handled into 8 cooling of the first user.Third user is 15 indoor low temperature ends, third
The low-temperature region of the setting of user 15 indoors, the first user 8 are indoor high temperature end, the high temperature of the first user 8 setting indoors
Region, indoor return air pass through passive type curtain 21, take away the refrigeration duty of window area, and return air is handled into 8 cooling of the first user.
As shown in figure 15, first is connected to by first circulation pump 6 and three-way interface on the outlet of water tank 1 board-like to change
The inlet tube of hot 7 primary side of device, wherein another interface of three-way interface is connected to the inlet tube of the first surface air cooler 2.It evaporates cold
But the cold water that water-cooling device is produced, by first circulation pump 6, fresh air, a part is pre-chilled for the first surface air cooler 2 in a part of cold water
Freeze into 7 primary side of the first plate heat exchanger for user, the water temperature into the first surface air cooler 2 is lower, evaporates cooling cold water
The leaving water temperature of device is lower.
As shown in figure 16, it is cold to be connected to the second mechanical compression type for 13 cooling water outlet pipe of the first mechanical compression type water cooler
22 cooling water inlet of water dispenser group, 22 cooling water outlet pipe of the second mechanical compression type water cooler is connected to spray equipment 4, second
Bypass is set on the outlet of connection 13 chilled water import of the first mechanical compression type water cooler of circulating pump 9, bypass is connected to
The import of second mechanical compression type water cooler, 22 chilled water, 22 chilled water outlet Guan Yu of the second mechanical compression type water cooler
The connection of one mechanical compression type water cooler, 13 chilled water outlet pipe.Two mechanical compression type water coolers, the first surface air cooler 2 are set
Cooling water side of the water outlet series connection Jing Guo two mechanical compression type water coolers, the chilled water of two mechanical compression type water coolers
Third user 15 and the first user 8 are passed through in series connection after mixing, and the return water of the first user 8 is in 7 secondary side of the first plate heat exchanger
It is pre-chilled by the high temperature cold water of primary side, the water outlet of 7 secondary side of the first plate heat exchanger is returned respectively under the action of second circulation pump 9
Cool down to the chilled water side of two mechanical compression type water coolers, recycles.By the way that two mechanical compression type cooling-water machines are arranged
Group reduces the water of cooling water, reduces the configuration for evaporating cooling water cooler, evaporates the cold water cooling capacity of cooling water-cooling device
Sufficiently release.
Claims (15)
1. a kind of air-conditioning device of cooling capacity cascade utilization, including cooling water-cooling device is evaporated, in its cabinet from bottom to top successively
Water tank (1), air inlet, filler (3), spray equipment (4) and exhaust blower (5) are set, it is cold that the first table is set on air inlet
Device (2), it is characterized in that: the outlet pipe of water tank (1) is connected to the first plate heat exchanger (7) primary side by first circulation pump (6)
Inlet tube, the outlet of primary side is connected to the inlet tube of the second plate heat exchanger (12) primary side, and primary side goes out
Mouth pipe is connected to the inlet tube of the first surface air cooler (2), and the outlet of the first surface air cooler (2) is connected to the first mechanical compression type cold water
Unit (13) cooling water inlet pipe, first mechanical compression type water cooler (13) cooling water outlet pipe are connected to spray equipment (4),
The secondary side outlet of first plate heat exchanger (7) is connected to the first mechanical compression type water cooler by second circulation pump (9)
(13) chilled water import pipe, first mechanical compression type water cooler (13) chilled water outlet pipe be connected to the first user (8) into
Mouth pipe, the outlet of the first user (8) are connected to the inlet tube of the first plate heat exchanger (7) secondary side, the second plate heat exchanger
(12) outlet of secondary side is connected to the inlet tube of second user (10) by third circulating pump (11), second user (10)
Outlet is connected to the inlet tube of the second plate heat exchanger (12) secondary side or going out for the first plate heat exchanger (7) secondary side
Mouth pipe is connected to the inlet tube of the first plate heat exchanger (7) secondary side, the first machine by second circulation pump (9), the first user (8)
Tool compression water cooler (13) chilled water outlet pipe is connected to the first machinery by the 4th circulating pump (14), third user (15)
Compression water cooler (13) chilled water import pipe.
2. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 1, it is characterized in that: the first plate heat exchanger
(7) outlet of primary side is connected to the inlet tube of the first surface air cooler (2), and the outlet of the first surface air cooler (2) is connected to second
The outlet of the inlet tube of plate heat exchanger (12) primary side, the second plate heat exchanger (12) primary side is connected to the first machinery pressure
Contracting formula water cooler (13) cooling water inlet pipe, first mechanical compression type water cooler (13) cooling water outlet pipe are connected to spray
Device (4).
3. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 2, it is characterized in that: evaporating cooling cold water dress
Two groups of concatenated first, second surface air coolers (2,16), the first side outlet of plate heat exchanger (7) one times are set on the air inlet set
Pipe is connected to the inlet tube of the first surface air cooler (2), also sets up bypass on the first plate heat exchanger (7) primary side outlet,
Bypass is connected to the inlet tube of the second plate heat exchanger (12) primary side by valve (17), and the second plate heat exchanger (12) is primary
The outlet of side is connected to the inlet tube of the second surface air cooler (16), and the outlet of the first, second surface air cooler (2,16) is connected to
One mechanical compression type water cooler (13) cooling water inlet pipe.
4. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 2, it is characterized in that: the first plate heat exchanger
(7) bypass is arranged in the outlet of primary side, and bypass is connected to the second plate heat exchanger (12) primary side by valve (17)
Inlet tube, the outlet of the first surface air cooler (2) are connected to first mechanical compression type water cooler (13) cooling water inlet pipe, and second
The outlet of plate heat exchanger (12) primary side is connected to the outlet of the first surface air cooler (2), and the first plate heat exchanger (7) is secondary
The outlet pipe of side is connected with first mechanical compression type water cooler (13) chilled water water inlet pipe, the first mechanical compression type cooling-water machine
Group (13) chilled water outlet pipe is connected with the water inlet pipe of the first user.
5. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 4, it is characterized in that: the first plate heat exchanger
(7) outlet of primary side is connected to the second plate heat exchanger (12) primary side by the three-way connection and valve (17) of setting
The outlet of inlet tube, the second plate heat exchanger (12) primary side is connected to the inlet tube of the first surface air cooler (2), wherein three connect
Another interface of head is connected to the outlet of the second plate heat exchanger (12) primary side.
6. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 4, it is characterized in that: in the first plate heat exchanger
(7) secondary side, in the connecting tube at the second plate heat exchanger (12) secondary side import and export and in the first mechanical compression type cooling-water machine
It is respectively provided with valve (17) in connecting tube at group (13) chilled water import and export, the first user (8) and the first plate heat exchanger
(7) pipeline between secondary side imported valve (17) is followed with the first plate heat exchanger (7) secondary side outlet valve (17) and second
Ring pumps the pipeline between (9) and is connected to by communicating pipe, valve (17) is installed on communicating pipe, in the second plate heat exchanger (12)
On pipeline between secondary side outlet valve (17) and third circulating pump (11) and the second plate heat exchanger (12) secondary side-entrance
Water supply bypass and return water bypass are respectively set on pipeline between valve (17) and second user (10), wherein bypass of supplying water is logical
Cross the outlet that third plate heat exchanger (18) secondary side is connected to by head end valve (17) and end valve (17), return water bypass
The inlet tube of third plate heat exchanger (18) secondary side is connected to by head end valve (17) and end valve (17), third is board-like
The import and export of heat exchanger (18) primary side respectively connected heating water's pipe and hot water return pipe.
7. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 4, it is characterized in that: evaporating cooling water-cooling device
It is arranged on roofing (20), the outlet of the first plate heat exchanger (7) secondary side is connected to the first machine by second circulation pump (9)
Tool compression water cooler (13) chilled water import pipe, first mechanical compression type water cooler (13) chilled water outlet pipe are connected to
The import of uniformly distributed more than two first users (8) in parallel, it is board-like that the outlet of the first user of uniformly distributed parallel connection (8) is connected to first
The outlet of the inlet tube of heat exchanger (7) secondary side, the second plate heat exchanger (12) secondary side is connected by third circulating pump (11)
Then the import of uniformly distributed in parallel more than two second users (10), the outlet of uniformly distributed parallel connection second user (10) are connected to the
The inlet tube of double-plate heat exchanger (12) secondary side, in water tank (1) outlet pipe, the first surface air cooler (2) import and export pipe and spray dress
It sets and is respectively provided with drainpipe on (4) water supplying pipe, drain valve (19) are set on drainpipe.
8. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 2, it is characterized in that: in the first plate heat exchanger
(7) bypass is set on the outlet of primary side, and bypass is connected to the second plate heat exchanger (12) primary side by valve (17)
Import, the outlet of the second plate heat exchanger (12) primary side is connected on the outlet of the first surface air cooler (2).
9. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 1, it is characterized in that: the first plate heat exchanger
(7) outlet of primary side is connected to the inlet tube of the first surface air cooler (2), and the outlet of the first surface air cooler (2) is connected to second
The outlet of the inlet tube of plate heat exchanger (12) primary side, the second plate heat exchanger (12) primary side is connected to the first machinery pressure
The inlet tube of contracting formula water cooler (13) cooling water.
10. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 1, it is characterized in that: evaporating cooling cold water dress
It sets, the first, second plate heat exchanger (7,12) is arranged on roofing (20), the setting of the first mechanical compression type water cooler (13)
Between basement (21) or air-conditioning equipment, the first plate heat exchanger (7) secondary side outlet is by second circulation pump (9) and is arranged
Drain valve (19) be connected to first mechanical compression type water cooler (13) chilled water import pipe, the first mechanical compression type cooling-water machine
Group (13) chilled water outlet pipe is connected to the inlet tube of uniformly distributed more than two first users (8) in parallel, the first user of uniformly distributed parallel connection
(8) outlet is connected to the inlet tube of the first plate heat exchanger (7) secondary side by the drain valve (19) of setting, and second is board-like
The outlet of heat exchanger (12) secondary side is connected to uniformly distributed parallel connection two by the drain valve (19) of third circulating pump (11) and setting
The inlet tube of a above second user (10) is logical on the outlet and spray equipment (4) water supplying pipe of the first surface air cooler (2)
The drainpipe for crossing setting is installed with drain valve (19).
11. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 1, it is characterized in that: the first mechanical compression type
Water cooler (13) chilled water outlet pipe is connected to the first plate-type heat-exchange by concatenated third user (15) and the first user (8)
The import of device (7) secondary side.
12. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 11, it is characterized in that: third user (15) is
Indoor end, the low-temperature region of third user (15) setting indoors, the high-temperature area of the first user (8) setting indoors.
13. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 11, it is characterized in that: third user (15) is
Indoor low temperature end, third user (15) setting low-temperature region indoors, the first user (8) are indoor high temperature end, first
The window side of user (8) setting indoors, indoor return air are taken away the refrigeration duty of window area by passive type curtain (21), are returned
Wind is handled into the first user (8) cooling.
14. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 11, it is characterized in that: going out in water tank (1)
The inlet tube of the first plate heat exchanger (7) primary side is connected on mouth pipe by first circulation pump (6) and three-way interface, wherein three
Another interface for connecting mouth is connected to the inlet tube of the first surface air cooler (2).
15. the air-conditioning device of a kind of cooling capacity cascade utilization according to claim 11, it is characterized in that: the first mechanical compression type
Water cooler (13) cooling water outlet pipe is connected to second mechanical compression type water cooler (22) cooling water inlet, the second machinery pressure
Contracting formula water cooler (22) cooling water outlet pipe is connected to spray equipment (4), connects the first mechanical compression in second circulation pump (9)
Bypass is set on the outlet of formula water cooler (13) chilled water import, and bypass is connected to the second mechanical compression type water cooler
(22) import of chilled water, the second mechanical compression type water cooler (22) chilled water outlet pipe and the first mechanical compression type cooling-water machine
The connection of group (13) chilled water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006332.5A CN109855212B (en) | 2018-08-30 | Air conditioner for gradient utilization of cold energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006332.5A CN109855212B (en) | 2018-08-30 | Air conditioner for gradient utilization of cold energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855212A true CN109855212A (en) | 2019-06-07 |
| CN109855212B CN109855212B (en) | 2024-04-23 |
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ID=
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