CN110160187A - A kind of evaporation device for cooling and its control method - Google Patents
A kind of evaporation device for cooling and its control method Download PDFInfo
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- CN110160187A CN110160187A CN201910535780.2A CN201910535780A CN110160187A CN 110160187 A CN110160187 A CN 110160187A CN 201910535780 A CN201910535780 A CN 201910535780A CN 110160187 A CN110160187 A CN 110160187A
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- water
- outdoor
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001704 evaporation Methods 0.000 title claims abstract description 25
- 230000008020 evaporation Effects 0.000 title claims abstract description 25
- 238000007791 dehumidification Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 130
- 239000007921 spray Substances 0.000 claims description 52
- 238000005507 spraying Methods 0.000 claims description 34
- 230000008676 import Effects 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention discloses a kind of evaporation device for cooling and its control methods, evaporation device for cooling increases indirect refrigerating module and dehumidification module on the basis of existing evaporation device for cooling, pass through the increase of indirect refrigerating module and dehumidification module, outdoor air can be cooled down, the heat exchange efficiency of air to air heat exchanger is improved, to achieve the purpose that CLF, PUE and WUE for lowering computer room.
Description
Technical field
The present invention relates to a kind of data center's energy-saving type air conditioners and its control method more particularly to one kind to obtain outdoor air
More High cooling power, to supply the evaporation device for cooling and its control method of computer room.
Background technique
The worldwide energy-saving and emission-reduction to grow in intensity and environmentally protective demand, to as the maximum number of IT industry energy consumption
According to center construction and operation, more stringent requirements are proposed.The reduction of data center's PUE value has become owner and design and construction person's
Primary demand.
It is all very high for the value of traditional air conditioner in machine room using compressor refrigeration PUE and CLF under normal circumstances, it uses
Natural cooling source to computer room cooling supply scheme, under normal circumstances, and for traditional evaporation cold room air-conditioner set, substantially
It is all single operation, although reducing PUE and CLF for the air conditioner in machine room of compressor refrigeration, outdoor empty
In the higher situation of temperature degree, using natural cooling source to the scheme of computer room cooling supply, the effect for reducing PUE and CLF is also not satisfactory.
Energy-efficient data center is a big inexorable trend of Future Data center industry development, continues and effectively drops
The operation cost of low data center has become the task of top priority.Air-conditioning system is to protect for carrying out cooling processing to data center
Hold one of the condition of high-efficiency operation of data center；Existing evaporation device for cooling is all that spray system is increased on outdoor unit
System, outside air temperature is reduced by spray system, indoor air temperature, this side are then reduced by air to air heat exchanger
Formula can reduce PUE(data center total energy consumption/information technoloy equipment energy consumption of data center machine room), it is widely adopted.But this side
Although formula can reduce PUE, but also do not reach and make full use of natural cooling source purpose, reduce PUE value still using natural cooling source
There is room for improvement.
Summary of the invention
The purpose of the present invention is further making full use of natural cooling source, so that outdoor air is obtained more High cooling power, be supplied to machine
Room further decreases CLF, PUE and WUE of computer room.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of evaporation device for cooling, including air to air heat exchanger, spray module, indoor fan and outdoor fan, air to air heat exchanger setting
It has family outer wind inlet, the outlet of outdoor wind, indoor wind inlet and indoor wind outlet, under the action of outdoor fan, outdoor wind is from room
Outer wind inlet enters, and exports and is discharged from outdoor wind, indoors under the action of blower, indoor wind enters from indoor wind inlet, from room
Interior wind outlet discharge, spray module provide spray water spray on air to air heat exchanger, it is characterised in that: the evaporation device for cooling includes
Indirect refrigerating module, the indirect refrigerating module include No.1 water tank, No.1 water pump, indirect heat exchange coil pipe and air duct, No.1 water
The import of pump is extend into No.1 water tank by pipeline, and the outlet of No.1 water pump is connected to the one of indirect heat exchange coil pipe by pipeline
On end, the other end of indirect heat exchange coil pipe is connected with pipeline, and the water entered in indirect heat exchange coil pipe is imported into No.1 water by pipeline
In case, the indirect heat exchange coil pipe is located in air duct, and air duct is provided with air inlet and air outlet, air outlet and air to air heat exchanger
Outdoor wind inlet connection, outdoor air enters in air duct from the air inlet in air duct, after passing through indirect heat exchange coil pipe, from outdoor wind
Import enters in air to air heat exchanger, and the water in No.1 water tank enters in indirect heat exchange coil pipe by the effect of No.1 water pump,
After outdoor air heat exchange, flow back into No.1 water tank.
It is mounted on ball valve on the pipeline of the inlet and outlet of the No.1 water pump, is also equipped with pressure on the pipeline of outlet
Sensor and y-type filter.
The evaporation device for cooling further includes dehumidification module, which includes solution storage box, No. three solution pumps, dryings
The import of separator and solution spraying head, No. three solution pumps is extend into dehumidification liquid storage box by pipeline, No. three solution pumps
Outlet is connected on drying separator by pipeline, and drying separator is connected on solution spraying head by pipeline, solution spraying
The dehumidification liquid that head sprays out is flowed back into dehumidification liquid storage box by pipeline, and solution spraying head is mounted in air duct.
It is mounted on ball valve on the pipeline of the inlet and outlet of No. three solution pumps, pressure is also equipped on the pipeline of outlet
Force snesor.
The dehumidification module further includes cooling component, which includes No. two water pumps and coil pipe, No. two water pumps into
Mouth is extend into No.1 water tank by pipeline, and the outlet of No. two water pumps is connected to by pipeline with coil pipe one end, the other end of coil pipe
It is directed water into No.1 water tank by pipeline, the coil pipe is located in air duct.
It is mounted on ball valve on the pipeline of the inlet and outlet of No. two water pumps, pressure biography is installed on the pipeline of outlet
Sensor.
Multiple dehumidifiers are installed on the coil pipe.
The spray module includes that water tank, No. four water pumps and spray head, the import of No. four water pumps extend into water by pipeline
In case, the outlet of No. four water pumps is connected to by pipeline with spray head, and spray head is located above air to air heat exchanger, the water for spraying out
After leaching is on air to air heat exchanger, it is flowed into water tank, water tank is mounted in air duct.
It is mounted on ball valve on the pipeline of the inlet and outlet of No. four water pumps, pressure biography is installed on the pipeline of outlet
Sensor.
It is installed in the air duct there are four air-valve, respectively No.1 air-valve, No. two air-valves, No. three air-valves and No. four air-valves,
No.1 air-valve is mounted on above No. two air-valves, and No. three air-valves are mounted on above No. four air-valves, and No.1 air-valve and No. two air-valves are located at
The left side of solution spraying head, No. three air-valves and No. four air-valves are in the right side of solution spraying head, No.1 air-valve and No. three air-valve positions
In the top of solution spraying head, No. two air-valves and No. four air-valves are located at the lower section of solution spraying head, No.1 air-valve, No. two air-valves,
No. three air-valves and No. four air-valves all close and form a confined space with air duct, and outdoor wind can not pass through air duct, solution spraying
When head work, No.1 air-valve and No. three air-valves are closed, and No. two air-valves and No. four air-valves are opened, when solution spraying head does not work, one
Number air-valve and No. three air-valves are opened, and No. two air-valves and No. four air-valves are closed.
The present invention also provides the control method of above-mentioned apparatus, specifically:
A kind of evaporation device for cooling control method, it is characterised in that: including four kinds of operational modes, respectively operational mode one, operation
Mode two, operational mode three and operational mode four, operational mode one specifically: indirect refrigerating module, dehumidification module and spray mould
Block is turned off, and No.1 air-valve and No. three air-valves are opened, and No. two air-valves and No. four air-valves are closed；Operational mode two specifically: indirectly
Refrigerating module is opened, and dehumidification module and spray module are closed, and No.1 air-valve and No. three air-valves are opened, No. two air-valves and No. four air-valves
It closes；Operational mode three specifically: starting spray module and indirect refrigerating module, No.1 air-valve and No. three air-valves are opened, and No. two
Air-valve and No. four air-valves are closed, and dehumidification module is closed；Operational mode four specifically: starting spray module, dehumidification module and indirectly
Refrigerating module closes No.1 air-valve and No. three air-valves, opens No. two air-valves and No. four air-valves；Either which kind of operational mode, it is empty
Empty heat exchanger, indoor fan and outdoor fan start；ΔQ=Q0- Q1, when Δ Q≤0, an operation in run mode；When 0 < Δ
Q≤10kw, in run mode two operation；10kw < Δ Q≤20kw, in run mode three operation；As Δ Q > 20kw, with operation
Mode four is run, wherein Q0For real-time computer room load, can be calculated by detecting indoor computer room air parameter, Q1For not
Process chamber outer space gas phase can detect refrigeration duty possessed by computer room by instrument.
In run mode when an operation, wherein the air quantity of indoor fan keeps constant operation, the air quantity of outdoor fan according to
Real-time computer room load Q0It is controlled；In run mode when two operations, the spray flow for spraying module is adjusted according to the value of Δ Q
Section, the air quantity of indoor fan are kept constant, and the air quantity of outdoor fan is with Q1Control；It is indirectly cooling in run mode when three operations
Cooling water in module is run with maximum stream flow, and maximum stream flow is Δ Q0The air quantity of the corresponding flow of=10kw, indoor fan is kept
Constant, the air quantity of outdoor fan is with Q1Control, sprays the spray flow of module with Δ Q- Δ Q0It is controlled；Four fortune in run mode
When row, the cooling water in indirect refrigerating module is run with maximum stream flow, and maximum stream flow is Δ Q0The corresponding flow of=10kw, it is indoor
The air quantity of blower is kept constant, and the air quantity of outdoor fan is with Q1Control, sprays the spray flow of module with Δ Q1=10KW is controlled,
The spray flow of dehumidification module is controlled according to the humidity of the outdoor air entered in air duct, the outdoor air after control dehumidifying
Humidity is between 20% -25%, and the flow of cooling water carries out constant flow rate control in the component that cools down.
The present invention has the following beneficial effects with respect to the prior art:
1, the present invention increases indirect refrigerating module on existing evaporation device for cooling, and the indirect refrigerating module includes No.1 water
The import in case, No.1 water pump, indirect heat exchange coil pipe and air duct, No.1 water pump is extend into No.1 water tank by pipeline, No.1 water
The outlet of pump is connected on one end of indirect heat exchange coil pipe by pipeline, and the other end of heat exchange coil is connected with pipeline, and pipeline will
It is imported into No.1 water tank into the water in indirect heat exchange coil pipe, the indirect heat exchange coil pipe is located in air duct, and air duct is provided with
Air inlet and air outlet, air outlet are connected to the outdoor wind inlet of air to air heat exchanger, and outdoor air enters from the air inlet in air duct
It into air duct, after passing through indirect heat exchange coil pipe, is entered in air to air heat exchanger from outdoor wind inlet, the water in No.1 water tank passes through
The effect of No.1 water pump enters in indirect heat exchange coil pipe, after outdoor air heat exchange, flows back into No.1 water tank.Pass through one
Cooling water in No.1 water tank is pumped into indirect heat exchange coil pipe by number water pump, and outdoor air is contacted with indirect heat exchange coil pipe, right
Outdoor air exchanges heat, and reduces the temperature of outdoor air, and then outdoor air after cooling is using air to air heat exchanger, by room
Interior atmospheric heat indirect exchange, since outdoor air themperature is lowered, heat exchange efficiency will be more preferable, can further decrease
Indoor air temperature can reduce PUE(data center total energy consumption/information technoloy equipment energy consumption of air conditioner in machine room) energy of value CLF(air-conditioning
Consumption/computer room energy consumption) value.It is back in No.1 water tank by the cooling water of indirect heat exchange coil pipe, the cooling water after spray
It is back in water tank, can recycles, reduces water consumption/computer room energy consumption of WUE(air-conditioning) value.
Present invention also adds dehumidification modules, dehumidification liquid are sprayed by dehumidification module, to the outdoor air entered in air duct
It dehumidifies, ensure that air humidity between 20% -25%, can further decrease the temperature of outdoor air in this way, be sky
When empty heat exchanger contacts, heat exchange efficiency can be further improved, reduce indoor air temperature.
The present invention increases cooling component in dehumidification module, which includes No. two water pumps and coil pipe, No. two water
The import of pump is extend into No.1 water tank by pipeline, and the outlet of No. two water pumps is connected to by pipeline with coil pipe one end, coil pipe
The other end is directed water into No.1 water tank by pipeline, and the coil pipe is located in air duct.Outdoor air can further be lowered
Temperature, be conducive to the raising of the heat exchange efficiency of air to air heat exchanger.
The present invention provides the operational mode of four kinds of air-conditionings, in difference due to increasing indirect refrigerating module, dehumidification module
Under conditions of carry out the control and switching of different mode, select most suitable operational mode, improve heat exchange efficiency, reduce PUE,
CLF and WUE.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Appended drawing reference 1-No.1 water pump, 2-No.1 vent ball valves, 3-No.1 inlet ball valves, 4-No.1 pressure sensings
Device, 5-y-type filters, 6-indirect heat exchange coil pipe water inlet pipes, 7-outdoor wind inlets, 8-indirect heat exchange coil pipes, 9-change indirectly
Hot coil outlet pipe, 10-air ducts, 11-No.1 air-valves, 12-No. two air-valves, 13-No. two pump water inlets, 14-No. two into
Mouth ball valve, 15-No. two water pumps, 16-No. two vent ball valves, 17-No. two pressure sensors, 18-coil pipe water inlet pipes, 19-disks
Pipe outlet pipe, 20-solution moisture removing devices, 21-No. three inlet ball valves, 22-No. three solution pumps, 23-No. three vent ball valves, 24-
Drying separator, 25-No. three pressure sensors, 26-solution spraying imports, 27-solution spraying heads, 28-solution storage boxes,
29-water tanks, 30-No. four inlet ball valves, 31-No. four water pumps, 32-No. four vent ball valves, 33-No. four hydraulic pressure sensors,
34-shower water water inlet pipes, 35-spray heads, 36-outdoor airs go out absolutely empty change into air to air heat exchanger import, 37-outdoor airs
Hot device outlet, for 38-room airs into air to air heat exchanger import, 39-room airs go out air to air heat exchanger outlet, 40-outdoor wind
Machine, 41-indoor fans, 42-air to air heat exchanger, 43-No.1 water tanks, 44-No. three air-valves, 45, No. four air-valves.
Specific embodiment
The present invention will be further described with reference to the examples below, and described embodiment is only present invention a part
Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making
Other embodiments used obtained, belong to protection scope of the present invention under the premise of creative work.
As shown in Figure 1, the present invention includes four modules, first module is indirect refrigerating module, mainly by a set of water
System is constituted, including No.1 water tank 43, No.1 water pump 1, No.1 vent ball valve 2, No.1 inlet ball valve 3, No.1 pressure sensor
4, y-type filter 5, indirect heat exchange coil pipe water inlet pipe 6, indirect heat exchange coil pipe 8, indirect heat exchange coil pipe outlet pipe 9 are constituted, main
Effect is that indirect cooling is done to outdoor air, takes away the heat of outdoor air, reduces outside air temperature, is provided to indoor computer room
Cooling capacity.Wherein indirect heat exchange coil 8 is mounted in air duct, and air duct is provided with outdoor wind inlet 7 and outdoor wind outlet, outdoor air
Enter in air duct from outdoor wind inlet 7, after indirect heat exchange coil heat exchange, outdoor wind outlet discharge out, outdoor wind is exported and sky
The outdoor wind inlet of empty heat exchanger 42 is connected, and outdoor air after cooling is contacted with air to air heat exchanger, cooling room air, then
Outdoor air is discharged under the action of outdoor fan 40, is discharged under the action of blower 41 indoors after room air is cooling.
Second module is dehumidification module, is made of 2 sets of systems, a set of water system (cooling component) and a set of dehumidification system
It constitutes, grey water system is gone out by 14, No. two water pumps 15 of inlet ball valve of pump water inlet 13, two of No.1 water tank 43, two, No. two
16, No. two pressure sensors 17 of mouth ball valve, coil pipe water inlet pipe 18, coil pipe and coil pipe outlet pipe 19.In the effect of No. two water pumps 15
Under, the cooling water in No.1 water tank 43 enters in coil pipe from coil pipe water inlet pipe 18, is then back to by coil pipe outlet pipe 19
In No.1 water tank 43.
Dehumidification system is by 22, No. three vent ball valves 23 of the solution pump of inlet ball valve 21, three of solution moisture removing device 20, three, dry
Dry separator 24, No. three pressure sensors 25, solution spraying import 26, solution spraying heads 27, solution storage box 28 are constituted；
The wherein water system of second module and dehumidification system associated working, but working medium be not directly contacted with (dehumidification solution and
Water), dehumidification solution (LiCL(lithium chloride can be selected) solution under normal circumstances) band directly contacted by spray and outdoor air
The water capacity for walking outdoor air, reduces the water capacity of outdoor air, and No. two water systems are by way of coil pipe and outdoor air, remove
Wet solution LiCL solution does the cooling heat for taking away part outdoor air and dehumidification solution indirectly, so second module is main
Effect is to be dehumidified by LiCL solution to outdoor air, then to the heat of outdoor air and dehumidification solution by way of water coil
Amount cooling, in addition for the second module dehumidification module, dehumidification solution takes away the moisture of outdoor air after spray, becomes
At weak solution, solution storage box 28 is then flowed by drain pipe, flow is provided by No. three solution pumps 22 later and pressure arrives
Drying separator 24, the moisture filter in LiCL solution, then by the drainpipe of drying separator 24 extra moisture
Discharge, the dehumidification solution for going out drying separator in this way is concentrated solution, can continue cycling through use, while working and transporting in the second module
In row, No.1 air-valve 11 and No. three air-valves 44 will be in close state, and No. two air-valves 12 and No. four air-valves 45 will be in opening state
State, the water system and dehumidification solution system of the second module are all in open state；And during the second module do not run, No.1 air-valve
11 and No. three air-valves 44 want in the open state, No. two air-valves 12 and No. four air-valves 45 will be in close state, the second module
Water system and dehumidification solution system are all in closed state.
Third module is ducting system, by air duct 10, No.1 air-valve 11,12, No. three air-valves 44 of No. two air-valves and No. four
Air-valve 45 is constituted, and whether main effect is to switch over to run to the second module dehumidification system module.No.1 air-valve 11 is installed
Above No. two air-valves 12, No. three air-valves 44 are mounted on 45 top of No. four air-valves, and No.1 air-valve 11 and No. two air-valves 12 are located at molten
The left side of liquid spray head, No. three air-valves 44 and No. four air-valves 45 are in the right side of solution spraying head, No.1 air-valve 11 and No. three wind
Valve 44 is located at the top of solution spraying head, and No. two air-valves 12 and No. four air-valves 45 are located at the lower section of solution spraying head, No.1 air-valve,
No. two air-valves, No. three air-valves and No. four air-valves, which are all closed, forms a confined space with air duct, outdoor wind can not by air duct,
When solution spraying head works, No.1 air-valve and No. three air-valves are closed, and No. two air-valves and No. four air-valves are opened, solution spraying head not work
When making, No.1 air-valve and No. three air-valves are opened, and No. two air-valves and No. four air-valves are closed.
4th module is spray module, including a set of water system and a set of heat-exchange system, and main effect includes: outdoor
The direct evaporating-cooling of air and shower water, room air and outdoor air are in air to air heat exchanger (room air and outdoor air
Be not in contact with each other) in indirect cooling, the indirect evaporation of room air and shower water.
The water system of 4th module mainly includes the water pump 31, four of inlet ball valve 30, four of water tank 29, four outlet ball
Valve 32, No. four pressure sensors 33, shower water water inlet pipe 34 and spray head 35, cooling water in water tank 29 is in No. four water pumps 31
Under effect, enter from shower water water inlet pipe 34, then sprays, be sprayed on air to air heat exchanger 42 from spray head 35.Heat-exchange system packet
The indoor side runner and outdoor side runner for including air to air heat exchanger 42(air to air heat exchanger are not connected), indoor fan 41 and room
Outer blower 40, air to air heat exchanger 42, which is provided with outdoor air and goes out air to air heat exchanger into air to air heat exchanger import 36, outdoor air, to be gone out
Mouth 37, room air go out air to air heat exchanger outlet 39 into air to air heat exchanger import 38 and outdoor air.Outdoor air is empty from outdoor
Gas enters into air to air heat exchanger import 36, goes out 37 discharge sky of air to air heat exchanger outlet from outdoor air under the action of outdoor fan
Empty heat exchanger, room air enters from room air into air to air heat exchanger import 38, indoors from Interior Space under the action of blower
Gas goes out 39 discharge air to air heat exchanger of air to air heat exchanger outlet.
The method of operation of four modules of said combination: the first method of operation: first module, second module are in
Not operating status, No.1 air-valve 11 and No. three air-valves 44 are opened, and No. two air-valves 12 and No. four air-valves 45 close, the water system of the 4th module
System is not run, and only runs heat-exchange system module；Second of method of operation: first module operation, second module, which is in, does not transport
Row state, No.1 air-valve 11 and No. three air-valves 44 are opened, and No. two air-valves 12 and No. four air-valves 45 close, and the water system of the 4th module is not
Operation only runs heat-exchange system module；The third method of operation: the operation of first module, second module not operating status, one
Number air-valve 11 and No. three air-valves 44 are opened, and No. two air-valves 12 and No. four air-valves 45 close, the water system and heat-exchange system of the 4th module
All run；The 4th kind of method of operation is: first module, second module are in operating status, No.1 air-valve 11 and No. three wind
Valve 44 closes, and No. two air-valves 12 and No. four air-valves 45 open, and the water system and heat exchanger module of the 4th module are all run, at the 4th kind
Under the method for operation, all modules are all entered in the state of work, and the concrete processing procedure to air is: crossing first module
Indirect cooling is done to outdoor air, reduces the temperature of outdoor air, improves the relative humidity of outdoor air；Cross second module
When, outdoor air is reduced by dehumidification module water capacity, and relative humidity reduces, by can locally reduce room when water system coil pipe
The temperature of outer air, so second module is to a process of outdoor air dehumidifying and cooling；When crossing the 4th module, due to
The temperature of outdoor air reduces under the action of second module, and relative humidity also reduces, so after spraying by water system
The wet-bulb temperature that can be dropped to can be lower, can reduce the temperature of outdoor air to a greater extent, then outdoor air and room
Interior air heat-exchange, to providing bigger cooling capacity in computer room room；This is where the advantages of increasing the first module and the second module.
The specific control mode of four kinds of methods of operation: the first method of operation: as the thermic load Q of indoor computer room0≤ Q1(not
Process chamber outer space gas phase is for refrigeration duty possessed by computer room), i.e. Δ Q=Q0- Q1When≤0, the first method of operation is only carried out,
Wherein the air quantity of indoor fan keeps constant operation, and the air quantity of outdoor fan is according to real-time computer room load Q0It is controlled；The
Two kinds of methods of operation, as Δ Q=Q0- Q1When > 0, and the range of Δ Q under normal circumstances Δ Q≤10KW when, carry out second fortune
Line mode, the flow of the water system coil pipe of first module is adjusted by Δ Q at this time, and the air quantity of indoor fan keeps permanent
Fixed, the air quantity of outdoor fan is with Q1Control, under normal circumstances, Q1It is relative constant under conditions of outdoor temperature humidity parameter determines
's；The third method of operation, as Δ Q=Q0- Q1When > 0, and the range of Δ Q under normal circumstances 10KW < Δ Q≤20 KW when,
The third method of operation is carried out, the flow of the indirect heat exchange coil pipe of first module is at this time with maximum stream flow operation (maximum operation
Flow is Δ Q0The corresponding flow of=10KW), the air quantity of indoor fan is kept constant, and the air quantity of outdoor fan is with Q1Control, the 4th
The water spray of the water system of a module is with Δ Q- Δ Q0It is controlled；The 4th kind of method of operation: Δ Q=Q0- Q1When > 0, and
When Δ Q 20 KW of >, the 4th kind of method of operation is carried out, the flow of the indirect heat exchange coil pipe of first module is at this time with maximum stream flow
(maximum operating flux is Δ Q for operation0The corresponding flow of=10KW), the air quantity of indoor fan is kept constant, the air quantity of outdoor fan
It is controlled with Q1, the water spray of the water system of module 4 is with Δ Q1(Δ Q1=20KW- Δ Q0=10KW) is controlled, second mould
The dehumidification system of block is to carry out control spray flow into the humidity of second module outdoor air, after the dehumidifying for generally requiring guarantee
Humidity is between 20% -25%, and the flow of the water system of second module only carries out some coolings in dehumidification process heat exchange,
It is not too greatly, so the flow of the water system of second module also carries out constant flow rate control to the influence that outdoor air integrally cools down
System.
Claims (9)
1. a kind of evaporation device for cooling, including air to air heat exchanger, spray module, indoor fan and outdoor fan, air to air heat exchanger are set
Be equipped with outdoor wind inlet, the outlet of outdoor wind, indoor wind inlet and indoor wind outlet, under the action of outdoor fan, outdoor wind from
Outdoor wind inlet enters, and exports and is discharged from outdoor wind, and indoors under the action of blower, indoor wind enters from indoor wind inlet, from
Indoor wind outlet discharge, spray module provide spray water spray on air to air heat exchanger, it is characterised in that: the evaporation device for cooling packet
Indirect refrigerating module is included, the indirect refrigerating module includes No.1 water tank, No.1 water pump, indirect heat exchange coil pipe and air duct, No.1
The import of water pump is extend into No.1 water tank by pipeline, and the outlet of No.1 water pump is connected to indirect heat exchange coil pipe by pipeline
On one end, the other end of indirect heat exchange coil pipe is connected with pipeline, and the water entered in indirect heat exchange coil pipe is imported into No.1 by pipeline
In water tank, the indirect heat exchange coil pipe is located in air duct, and air duct is provided with air inlet and air outlet, air outlet and air to air heat exchanger
The connection of outdoor wind inlet, outdoor air enters in air duct from the air inlet in air duct, after passing through indirect heat exchange coil pipe, from outdoor
Wind inlet enters in air to air heat exchanger, and the water in No.1 water tank enters indirect heat exchange coil pipe by the effect of No.1 water pump
In, after outdoor air heat exchange, flow back into No.1 water tank.
2. a kind of evaporation device for cooling according to claim 1, it is characterised in that: the inlet and outlet of the No.1 water pump
It is mounted on ball valve on pipeline, is also equipped with pressure sensor and y-type filter on the pipeline of outlet.
3. a kind of evaporation device for cooling according to claim 1, it is characterised in that: the evaporation device for cooling further includes dehumidifying mould
Block, the dehumidification module include solution storage box, No. three solution pumps, drying separator and solution spraying head, No. three solution pumps into
Mouth is extend into dehumidification liquid storage box by pipeline, and the outlet of No. three solution pumps is connected on drying separator by pipeline, is done
Dry separator is connected on solution spraying head by pipeline, and the dehumidification liquid that solution spraying head sprays out is flowed back by pipeline to be removed
In wet liquid storage box, solution spraying head is mounted in air duct.
4. a kind of evaporation device for cooling according to claim 3, it is characterised in that: the dehumidification module further includes cooling group
Part, the cooling component include No. two water pumps and coil pipe, and the import of No. two water pumps is extend into No.1 water tank by pipeline, No. two water
The outlet of pump is connected to by pipeline with coil pipe one end, and the other end of coil pipe is directed water into No.1 water tank by pipeline, described
Coil pipe is located in air duct.
5. a kind of evaporation device for cooling according to claim 4, it is characterised in that: be equipped with multiple dehumidifying on the coil pipe
Device.
6. a kind of evaporation device for cooling according to claim 1, it is characterised in that: the spray module includes water tank, No. four
The import of water pump and spray head, No. four water pumps is extend into water tank by pipeline, and the outlet of No. four water pumps passes through pipeline and spray
Head connection, spray head are located above air to air heat exchanger, after the water for spraying out drenches on air to air heat exchanger, are flowed into water tank,
Water tank is mounted in air duct.
7. a kind of evaporation device for cooling according to claim 3, it is characterised in that: air-valve there are four installations in the air duct,
Respectively No.1 air-valve, No. two air-valves, No. three air-valves and No. four air-valves, No.1 air-valve are mounted on above No. two air-valves, No. three wind
Valve is mounted on No. four air-valves tops, and No.1 air-valve and No. two air-valves are located at the left side of solution spraying head, No. three air-valves and No. four wind
Valve is in the right side of solution spraying head, and No.1 air-valve and No. three air-valves are located at the top of solution spraying head, No. two air-valves and No. four
Air-valve is located at the lower section of solution spraying head, and No.1 air-valve, No. two air-valves, No. three air-valves and No. four air-valves are all closed and air duct group
At a confined space, outdoor wind can not be by air duct, when solution spraying head works, and No.1 air-valve and No. three air-valves are closed, and two
Number air-valve and No. four air-valves are opened, and when solution spraying head does not work, No.1 air-valve and No. three air-valves are opened, No. two air-valves and No. four
Air-valve is closed.
8. a kind of evaporation device for cooling control method, it is characterised in that: including four kinds of operational modes, respectively operational mode one, fortune
Row mode two, operational mode three and operational mode four, operational mode one specifically: indirect refrigerating module, dehumidification module and spray
Module is turned off, and No.1 air-valve and No. three air-valves are opened, and No. two air-valves and No. four air-valves are closed；Operational mode two specifically:
Refrigerating module unlatching is connect, dehumidification module and spray module are closed, and No.1 air-valve and No. three air-valves are opened, No. two air-valves and No. four wind
Valve is closed；Operational mode three specifically: starting spray module and indirect refrigerating module, No.1 air-valve and No. three air-valves are opened, and two
Number air-valve and No. four air-valves are closed, and dehumidification module is closed；Operational mode four specifically: starting spray module, dehumidification module and
Refrigerating module is connect, No.1 air-valve and No. three air-valves is closed, opens No. two air-valves and No. four air-valves；Either which kind of operational mode,
Air to air heat exchanger, indoor fan and outdoor fan start；ΔQ=Q0- Q1, when Δ Q≤0, an operation in run mode；When 0
< Δ Q≤10kw, in run mode two operation；10kw < Δ Q≤20kw, in run mode three operation；As Δ Q > 20kw, with
Operational mode four is run, wherein Q0For real-time computer room load, Q1It is untreated outdoor air relative to cold negative possessed by computer room
Lotus.
9. a kind of evaporation device for cooling control method according to claim 8, it is characterised in that: an operation in run mode
When, wherein the air quantity of indoor fan keeps constant operation, and the air quantity of outdoor fan is according to real-time computer room load Q0It is controlled；
In run mode when two operations, the spray flow for spraying module is adjusted according to the value of Δ Q, and the air quantity of indoor fan keeps permanent
Fixed, the air quantity of outdoor fan is with Q1Control；In run mode when three operations, the cooling water in indirect refrigerating module is with maximum stream flow
Operation, maximum stream flow are Δ Q0The corresponding flow of=10kw, the air quantity of indoor fan are kept constant, and the air quantity of outdoor fan is with Q1Control
System, sprays the spray flow of module with Δ Q- Δ Q0It is controlled；Cooling in run mode when four operations, in indirect refrigerating module
Water is run with maximum stream flow, and maximum stream flow is Δ Q0The corresponding flow of=10kw, the air quantity of indoor fan are kept constant, outdoor wind
The air quantity of machine is with Q1Control, sprays the spray flow of module with Δ Q1Control, Δ Q1=20KW-ΔQ0=10KW, the spray of dehumidification module
Amount is controlled according to the humidity of the outdoor air entered in air duct, and the humidity of the outdoor air after control dehumidifying is 20% -25%
Between, the flow of cooling water carries out constant flow rate control in the component that cools down.
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| JPS55114428U (en) * | 1979-02-07 | 1980-08-12 | ||
| CN102954548A (en) * | 2012-12-18 | 2013-03-06 | 四川澄观节能环保科技有限公司 | Direct evaporation split type heat pipe heat-exchanger |
| CN103615775A (en) * | 2013-11-25 | 2014-03-05 | 新疆绿色使者干空气能源有限公司 | Multi-work-condition recuperative type air processing device and method |
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