CN106051981A - Refrigerating method based on double-temperature drive and double cold sources - Google Patents
Refrigerating method based on double-temperature drive and double cold sources Download PDFInfo
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- CN106051981A CN106051981A CN201610536532.6A CN201610536532A CN106051981A CN 106051981 A CN106051981 A CN 106051981A CN 201610536532 A CN201610536532 A CN 201610536532A CN 106051981 A CN106051981 A CN 106051981A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a refrigerating method based on double-temperature drive and double cold sources. Temperature control points are set to be T1 and T2, and T1 is larger than T2. T1 is a certain value between 15 DEG C and 25 DEG C. T2 is a certain value between -2 DEG C and 2 DEG C. Firstly, when outdoor temperature is larger than T1, a water chilling unit and a cooling tower are started, and at the moment, cooling water circulates between the water chilling unit and the cooling tower; secondly, when the outdoor temperature is larger than T2 and smaller than or equal to T1, the water chilling unit is closed, the cooling tower and an intermediate heat exchanger are started, at the moment, the cooling water circulates between the intermediate heat exchanger and the cooling tower, the circulating cooling water in the cooling tower is utilized for providing cooling capacity for the intermediate heat exchanger, and a condensation fan is started; and thirdly, when the outdoor environment temperature is smaller than or equal to T2, the water chilling unit and the fan of the cooling tower are closed, and a spray device and the intermediate heat exchanger of the cooling tower are started. The refrigerating method carries out independent control for different environments in a machine room, is applicable to multiple kinds of cold source equipment, and improves the energy utilization rate.
Description
Technical field
The present invention be more particularly directed to a kind of refrigerating method driving double low-temperature receiver based on dual temperature.
Background technology
At present, the air-conditioning that data center machine room is conventional is free air pressure compression type refrigerating system, water-cooled Qianmen air conditioning system and the back of the body
Plate heat pipe air conditioning system.Air compressed refrigeration system is reduced in server by the ambient temperature in the overall machine room of cooling
Temperature, the two times transfer of cold causes the waste of cold, and is limited by air-conditioning distance, easily causes the local in machine room
Focus；Heat exchange module is directly mounted at server air outlet by water-cooled Qianmen air conditioning system, reduces the leaving air temp of server,
But this system reduces the leaving air temp of server by chilled water, chilled water is sent directly into Door of communication apparatus cabinet, has and lets out greatly
Divulge a secret danger, although and this system can reduce the leaving air temp of server, but the air-out of server is not entirely returning of server
Wind, causes the cold waste of part；Backboard heat pipe air conditioner system realizes cold by the Working fluid phase changing in backboard heat pipe unit
Transmission, it is to avoid chilled water directly enters the disclosure risk that machine room brings, and the hot-air of direct processing server air inlet, it is ensured that
All colds are all by server by utilizing, it is to avoid the waste of cold；But backboard hot-pipe system is that secondary is connected with rack, and structure is multiple
Miscellaneous, implementation cost is high.
From above several schemes it can be seen that such scheme all realizes the cooling of communication equipment by cooling machine room air,
Large energy loss is there is during cold quantity transmission.Therefore, it is necessary to a kind of energy-saving effect more preferably refrigerating method of design.
Summary of the invention
The technical problem to be solved is to provide a kind of refrigerating method driving double low-temperature receiver based on dual temperature, changes method and adopts
By the refrigeration system of two kinds of different modes different operating temperature, wherein the cold cooling system of liquid is directed to communication equipment cooling, keeps away
Exempt from the loss of cold quantity transmission process；Air cooling system takes away other heat in data center by steam compression type refrigeration mode
Amount.The method can significantly improve energy utilization rate.
Dual temperature drives that to refer to that two kinds of different temperature-driven, i.e. liquid cooling portions are divided different with the temperature of evaporation refrigeration part.
The technical solution of invention is as follows:
A kind of refrigerating method driving double low-temperature receiver based on dual temperature, uses dual temperature based on adopting heat pipes for heat transfer to mix cold source air conditioning system
Realizing refrigeration, dual temperature based on adopting heat pipes for heat transfer mixing cold source air conditioning system includes outside equipment, indoor equipment and controls system
System；
(1) side apparatus in side apparatus and liquid cold house in indoor equipment includes air-cooling chamber；
(1.1) in air-cooling chamber side apparatus include compressor, vaporizer, condenser, throttling arrangement, once-through steam generator blower fan and
Heat pipe evaporator section；Wherein evaporator fan is arranged on vaporizer side, and heat pipe evaporator section merges with condenser, passes through heat pipe
The heat of condenser is taken away in the evaporation of interior working medium.
(2.1) in liquid cold house, side apparatus includes cold allocation unit (CDU) and liquid cooling unit；
Compressor, vaporizer, throttling arrangement and condenser are sequentially connected in series the air-cooled path of formation；
Liquid cooling unit is 2, is connected with condenser and cold allocation unit respectively；
(2) outdoor measurement equipment includes that water chiller, cooling water pump, cooling tower, Intermediate Heat Exchanger, chilled water pump, level pressure are swollen
Swell and descaler, also include other auxiliary equipments；
Described Intermediate Heat Exchanger is in parallel by three-way valve with water chiller, and Intermediate Heat Exchanger and water chiller share cooling
Water supplies water return pipeline for water return pipeline and chilled water；
Chilled water supply channel is provided with described descaler and chilled water pump；Level pressure expansion drum and descaler and chilled water
Pipeline between pump is connected；It is provided with bypass valve between chilled water supply channel and water return pipeline；
Intermediate Heat Exchanger leads to supercooled water and is connected with cooling tower for water return pipeline with water chiller；Described cooling water pump sets
Put on CWR road；
Chilled water is connected with cold allocation unit for water return pipeline；
Described control system includes indoor temperature sensor, outside temperature sensor and microprocessor；Indoor
Temperature sensor is all connected with microprocessor with outside temperature sensor；Outside equipment, indoor equipment are controlled by control
System processed；
Control method is:
Temperature control point T1 and T2 is set；And T1 ＞ T2；T1 be 15-25 DEG C in a certain value；T2 is certain in-2～2 DEG C
One value；
(1) when outdoor temperature is more than T1, opening water chiller and cooling tower, now cooling water is in water chiller and cooling
Circulate between tower；
(2) when outdoor temperature is more than T2 and is less than or equal to T1, close water chiller, open cooling tower and intermediate heat transfer
Device, now cooling water circulates between Intermediate Heat Exchanger and cooling tower；Utilizing the recirculated cooling water in cooling tower is intermediate heat transfer
Device provides cold；Condensation fan is opened；
(3) when outdoor environment temperature is less than or equal to T2, close water chiller and the blower fan of cooling tower, open cooling tower
Spray equipment and Intermediate Heat Exchanger, now cooling water circulates between Intermediate Heat Exchanger and cooling tower, and condensation fan is closed.
Described cooling tower includes condensation fan, water-locator, spray equipment and packing layer；Cooling tower is provided with air inlet；
Condensation fan, water-locator, spray equipment, packing layer and air inlet are sequentially arranged from top to bottom；Water-locator is connected with spray equipment；
It is provided with apparatus for eliminating sludge bottom described cooling tower.
Water chiller uses Worm type water-cooled unit, vortex water chiller；
Described Intermediate Heat Exchanger is plate type heat exchanger or shell and tube exchanger；
Cooling water pump uses vane type oil pump, positive displacement pump or jet pump；
Cooling tower uses open cooling tower；
Chilled water pump uses vane type oil pump, positive displacement pump or jet pump；
Level pressure expansion drum uses bellows Constant pressure tank or diaphragm type Constant pressure tank；
Descaler uses electronic scale remover；
Described coolant distributor uses plate type heat exchanger or shell and tube exchanger；Described refrigeration terminal uses copper-tube aluminium
Fin structure or micro-channel parallel flow structure.
Described condensation fan uses axial flow blower；
Filler in packing layer uses S ripple filler, oblique mistake filler, step Trapezium oblique wave filler, difference position formula sinusoidal wave
Filler, some ripple filler, hexagon cellular filler, two-way ripple filler or bias ripple filler.Cooling tower filler is PVC or UPVC.
Described air cooling system indoor condenser is installed in the rack of indoor, with coolant allocation unit by pipe
Road connects, and takes away, by the evaporation of coolant, the heat that condenser distributes.
Described liquid cooling unit is directly mounted at heat-producing device surface, absorbs heat-producing device by the boiling of cycle fluid
Caloric value.
Outdoor measurement equipment also includes cooling module；Cooling module is connected with the water return pipeline that supplies of chilled water by valve；Fall
Temperature module is controlled by control system；Cooling module is wind-water-to-water heat exchanger, is in chilled water system for using the air of outdoor
Chilled water is lowered the temperature；Cooling module is provided with blower fan.
When outdoor environment temperature is less than or equal to T3, close water chiller and cooling tower, open cooling module, now without cold
But water circulation；T3 be-8～-12 DEG C in a certain temperature value.
Described indoor equipment is one or more sets；When indoor equipment for overlapping more, in multi-room, side apparatus is in parallel.
Indoor equipment is installed in an indoor machine cabinet.
As preferably, T1 and T2 is respectively 20 DEG C and 0 DEG C.
T3 preferred value is-10 DEG C.
Beneficial effect:
The refrigerating method driving double low-temperature receiver based on dual temperature of the present invention, compared with prior art, directly pacifies water cooling unit
It is loaded on heat-producing device surface, it is to avoid the two times transfer of cold causes the waste of cold；Employing multi-freezing pipe designs, and meets system and exists
Energy-saving run under Various Seasonal different temperatures；Transport according to the switching that outdoor temperature ambient parameter realizes multi-freezing pipe by three-way valve
OK, energy efficient to greatest extent can also can be realized while good cooling effect is provided.
Accompanying drawing explanation
Fig. 1 is dual temperature mixing cold source air conditioning system outside schematic diagram；
Fig. 2 is dual temperature mixing cold source air conditioning system indoor schematic diagram；
Description of reference numerals:
1-water chiller, 2-cooling water pump, 3-cooling tower, 4-apparatus for eliminating sludge, 5-air inlet, 6-packing layer, 7-sprays dress
Put, 8-water-locator, 9-condensation fan, 10-Intermediate Heat Exchanger；11-chilled water pump, 12-level pressure expansion drum, 13-descaler, 14-
Bypass valve, 19-cooling module, 20-cold allocation unit, 21-water cooling unit.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, invention herein is done more complete
Face, describe meticulously, but protection scope of the present invention is not limited to specific examples below.
Unless otherwise defined, all technical term used hereinafter is generally understood that implication phase with those skilled in the art
With.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the present invention's
Protection domain.
Embodiment 1:
Fig. 1-2, a kind of refrigerating method driving double low-temperature receiver based on dual temperature, use dual temperature based on adopting heat pipes for heat transfer mixing low-temperature receiver empty
Adjusting system realize refrigeration, dual temperature based on adopting heat pipes for heat transfer mixing cold source air conditioning system include outside equipment, indoor equipment and
Control system；
(1) side apparatus in side apparatus and liquid cold house in indoor equipment includes air-cooling chamber；
(1.1) in air-cooling chamber side apparatus include compressor, vaporizer, condenser, throttling arrangement, once-through steam generator blower fan and
Heat pipe evaporator section；Wherein evaporator fan is arranged on vaporizer side, and heat pipe evaporator section merges with condenser, passes through heat pipe
The heat of condenser is taken away in the evaporation of interior working medium.
(2.1) in liquid cold house, side apparatus includes cold allocation unit (CDU) 20 and liquid cooling unit 21；
Compressor, vaporizer, throttling arrangement and condenser are sequentially connected in series the air-cooled path of formation；
Liquid cooling unit is 2, is connected with condenser and cold allocation unit respectively；
(2) outdoor measurement equipment include water chiller 1, cooling water pump 2, cooling tower 3, Intermediate Heat Exchanger 10, chilled water pump 11,
Level pressure expansion drum 12 and descaler 13；
Described Intermediate Heat Exchanger is in parallel by three-way valve with water chiller, and Intermediate Heat Exchanger and water chiller share cooling
Water supplies water return pipeline for water return pipeline and chilled water；
Chilled water supply channel is provided with described descaler and chilled water pump；Level pressure expansion drum and descaler and chilled water
Pipeline between pump is connected；Bypass valve 14 it is provided with between chilled water supply channel and water return pipeline；
Intermediate Heat Exchanger leads to supercooled water and is connected with cooling tower for water return pipeline with water chiller；Described cooling water pump sets
Put on CWR road；
Chilled water is connected with cold allocation unit for water return pipeline；
Described control system includes indoor temperature sensor, outside temperature sensor and microprocessor；Indoor
Temperature sensor is all connected with microprocessor with outside temperature sensor；Outside equipment, indoor equipment are controlled by control
System processed.
Described cooling tower includes condensation fan 9, water-locator 8, spray equipment 7 and packing layer 6；Cooling tower is provided with air intake
Mouth 5；Condensation fan, water-locator, spray equipment, packing layer and air inlet are sequentially arranged from top to bottom；Water-locator and spray equipment
It is connected；It is provided with apparatus for eliminating sludge bottom described cooling tower.
Water chiller uses Worm type water-cooled unit, vortex water chiller；
Described Intermediate Heat Exchanger is plate type heat exchanger or shell and tube exchanger；
Cooling water pump uses vane type oil pump, positive displacement pump or jet pump；
Cooling tower uses open cooling tower；
Chilled water pump uses vane type oil pump, positive displacement pump or jet pump；
Level pressure expansion drum uses bellows Constant pressure tank or diaphragm type Constant pressure tank；
Descaler uses electronic scale remover；
Described coolant distributor uses plate type heat exchanger or shell and tube exchanger；Described refrigeration terminal uses copper-tube aluminium
Fin structure or micro-channel parallel flow structure.
Described condensation fan 9 uses axial flow blower；
Filler in packing layer uses S ripple filler, oblique mistake filler, step Trapezium oblique wave filler, difference position formula sinusoidal wave
Filler, some ripple filler, hexagon cellular filler, two-way ripple filler or bias ripple filler.
Described air cooling system indoor condenser is installed in the rack of indoor, with coolant allocation unit by pipe
Road connects, and takes away, by the evaporation of coolant, the heat that condenser distributes.
Described liquid cooling unit 21 is directly mounted at heat-producing device surface, absorbs heat-producing device by the boiling of cycle fluid
Caloric value.
Outdoor measurement equipment also includes cooling module 19；Cooling module is connected with the water return pipeline that supplies of chilled water by valve；
Cooling module is controlled by control system；Cooling module is wind-water-to-water heat exchanger, is in chilled water system for using the air of outdoor
Chilled water cooling；Cooling module is provided with blower fan.
When outdoor environment temperature is less than or equal to T3, close water chiller and cooling tower, open cooling module, now without cold
But water circulation；T3 be-8～-12 DEG C in a certain temperature value.
Indoor equipment is installed in an indoor machine cabinet.
Control method is as follows:
Temperature control point T1 and T2 is set；T1 and T2 is respectively 20 DEG C and 0 DEG C.
(1) when outdoor temperature is more than T1, opening water chiller and cooling tower, now cooling water is in water chiller and cooling
Circulate between tower；
(2) when outdoor temperature is more than T2 and is less than or equal to T1, close water chiller, open cooling tower and intermediate heat transfer
Device, now cooling water circulates between Intermediate Heat Exchanger and cooling tower；Utilizing the recirculated cooling water in cooling tower is intermediate heat transfer
Device provides cold；Condensation fan is opened；
(3) when outdoor environment temperature is less than or equal to T2, close water chiller and the blower fan of cooling tower, open cooling tower
Spray equipment and Intermediate Heat Exchanger, now cooling water circulates between Intermediate Heat Exchanger and cooling tower, and condensation fan is closed；
(4) when outdoor environment temperature is less than or equal to T3, close water chiller and cooling tower, open cooling module, now
No-cooling-water circulates；T3 is-10 DEG C.
Cooling module is provided with blower fan.
Embodiment 2
On the basis of embodiment 1, in air cooling system and liquid the most system combined cold operation ensure data center
Environment, air cooling system ensures the temperature in room overall situation, and the cold cooling system of liquid ensures the temperature on communication equipment surface.
Embodiment 3
On the basis of embodiment 1, in order to realize the refrigerating function of liquid cooling unit, liquid cooling unit uses flat groove knot
Structure, is directly arranged on heat-producing device, is evaporated by the blister of bottom refrigerating fluid and takes away the heat that heat-producing device distributes, after evaporation
Refrigerating fluid condense in the refrigerating fluid of upper strata；For promoting the carrying out of condensation process, arrange adsorption column at flat plate top；And on flat board
Surface configuration heat-insulation layer, it is to avoid scatter and disappear in heat external environment.
Embodiment 4
On the basis of embodiment 3, it is further preferred that an outdoor machine part can corresponding one or more indoor set portions
Point, outside chilled water is single at cold allocation unit and water chiller, cold allocation unit and Intermediate Heat Exchanger or cold distribution
Circulate between unit and cooling module；Three closed circuits are divided in indoor, and two of which closed circuit is the cold cooling system of liquid, the cold list of liquid
The coolant of unit is reassigned to two liquid cooling units after concentrating cooling in cold allocation unit, and coolant is in liquid cooling unit
Absorb the heat of electronic equipment；One closed circuit is air cooling system, and this intrasystem condenser is by the way of heat pipe
Connect with cold allocation unit, take away the heat of condenser by the evaporation of working medium in heat pipe evaporator section.
Cold is directly delivered in server by patent of the present invention, it is to avoid the cold waste of conventional air cooling technology；And
The heat in server is taken away, it is to avoid water enters the disclosure risk that machine room brings by the phase transformation of cycle fluid；Use how cold unit many
The design of temperature control, meets the energy-saving run at a temperature of system varying environment throughout the year, meets the temperature in zones of different and controls
Demand；Liquid cooling unit and cold allocation unit use the structure of plug and play to design, and flexible aspect is safe and reliable.
The operating condition of patent of the present invention is:
Temperature control point T1 and T2 is set；T1 and T2 is respectively 20 DEG C and 0 DEG C.
(1) when outdoor temperature is more than T1, opening cold water main unit and cooling tower, now cooling water is in cold water main unit and cooling
Circulate between tower；Now chilled water pump is connected with water chiller, by the setting of three-way valve, cooling module and Intermediate Heat Exchanger not
Access system (is i.e. not involved in work)；
(2) when outdoor temperature is more than T2 and is less than or equal to T1, close cold water main unit, open cooling tower and intermediate heat transfer
Device, now cooling water circulates between Intermediate Heat Exchanger and cooling tower；Utilizing the recirculated cooling water in cooling tower is intermediate heat transfer
Device provides cold；Condensation fan is opened；Now chilled water pump is connected with Intermediate Heat Exchanger, utilizes the recirculated cooling water in cooling tower
Cold is provided for Intermediate Heat Exchanger；Condensation fan is opened；Now, by the setting of three-way valve, cooling module and cold water main unit not
Access system (is i.e. not involved in work)；
(3) when outdoor environment temperature is less than or equal to T2, close cold water main unit and the blower fan of cooling tower, open cooling tower
Spray equipment and Intermediate Heat Exchanger, now cooling water circulates between Intermediate Heat Exchanger and cooling tower, and condensation fan is closed.Now
Chilled water pump is connected with Intermediate Heat Exchanger；Now, by the setting of three-way valve, cooling module and cold water main unit not access system
(being i.e. not involved in work)；
As preferably, T1 and T2 is respectively 20 DEG C and 0 DEG C.
(4) when outdoor environment temperature is less than or equal to T3, close cold water main unit and cooling tower, open cooling module, now
No-cooling-water circulates；Now chilled water pump is connected with cooling module；T3 be-8～-12 DEG C in a certain temperature value, preferred value is-
10℃；Now, (work i.e. it is not involved in by the setting of three-way valve, Intermediate Heat Exchanger and main frame and cooling tower not access system
Make).
Although illustrate and describing patent of the present invention with specific embodiment, but it will be appreciated that without departing substantially from this
May be made that in the case of the spirit and scope of bright patent many other change and amendment.It is, therefore, intended that in appended power
Profit requires to include belonging to all such changes and modifications in the scope of the claims of the present invention.
Claims (10)
1. the refrigerating method driving double low-temperature receiver based on dual temperature, it is characterised in that use dual temperature based on adopting heat pipes for heat transfer mixing cold
Source air-conditioning system realizes refrigeration, and dual temperature based on adopting heat pipes for heat transfer mixing cold source air conditioning system includes that outside equipment, indoor set
Standby and control system；
(1) side apparatus in side apparatus and liquid cold house in indoor equipment includes air-cooling chamber；
(1.1) in air-cooling chamber, side apparatus includes compressor, vaporizer, condenser, throttling arrangement, evaporator fan and heat pipe evaporation
Section；Wherein evaporator fan is arranged on vaporizer side, and heat pipe evaporator section merges with condenser, by hot intraductal working medium
The heat of condenser is taken away in evaporation；
(2.1) in liquid cold house, side apparatus includes cold allocation unit (20) and liquid cooling unit (21)；
Compressor, vaporizer, throttling arrangement and condenser are sequentially connected in series the air-cooled path of formation；
Liquid cooling unit is 2, is connected with condenser and cold allocation unit respectively；
(2) outdoor measurement equipment includes water chiller (1), cooling water pump (2), cooling tower (3), Intermediate Heat Exchanger (10), chilled water
Pump (11), level pressure expansion drum (12) and descaler (13)；
Described Intermediate Heat Exchanger is in parallel by three-way valve with water chiller, and Intermediate Heat Exchanger and water chiller share cooling water and supply
Water return pipeline and chilled water are for water return pipeline；
Chilled water supply channel is provided with described descaler and chilled water pump；Level pressure expansion drum and descaler and chilled water pump it
Between pipeline be connected；Bypass valve (14) it is provided with between chilled water supply channel and water return pipeline；
Intermediate Heat Exchanger leads to supercooled water and is connected with cooling tower for water return pipeline with water chiller；Described cooling water pump is arranged on
On CWR road；
Chilled water is connected with cold allocation unit for water return pipeline；
Described control system includes indoor temperature sensor, outside temperature sensor and microprocessor；Indoor temperature
Sensor is all connected with microprocessor with outside temperature sensor；Outside equipment, indoor equipment are controlled by controlling system
System；
Control method is:
Temperature control point T1 and T2 is set；And T1 ＞ T2；T1 be 15-25 DEG C in a certain value；T2 is a certain in-2～2 DEG C
Value；
(1) when outdoor temperature is more than T1, open water chiller and cooling tower, now cooling water water chiller and cooling tower it
Between circulate；
(2) when outdoor temperature is more than T2 and is less than or equal to T1, close water chiller, open cooling tower and Intermediate Heat Exchanger, this
Time cooling water circulate between Intermediate Heat Exchanger and cooling tower；The recirculated cooling water in cooling tower is utilized to provide for Intermediate Heat Exchanger
Cold；Condensation fan is opened；
(3) when outdoor environment temperature is less than or equal to T2, close water chiller and the blower fan of cooling tower, open the spray of cooling tower
Device and Intermediate Heat Exchanger, now cooling water circulates between Intermediate Heat Exchanger and cooling tower, and condensation fan is closed.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 1, it is characterised in that described cooling tower bag
Include condensation fan (9), water-locator (8), spray equipment (7) and packing layer (6)；Cooling tower is provided with air inlet (5)；Condensating wind
Machine, water-locator, spray equipment, packing layer and air inlet are sequentially arranged from top to bottom；Water-locator is connected with spray equipment；Described
Apparatus for eliminating sludge it is provided with bottom cooling tower.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 1, it is characterised in that water chiller uses spiral shell
Rod-type water chiller, vortex water chiller；
Described Intermediate Heat Exchanger is plate type heat exchanger or shell and tube exchanger；
Cooling water pump uses vane type oil pump, positive displacement pump or jet pump；
Cooling tower uses open cooling tower；
Chilled water pump uses vane type oil pump, positive displacement pump or jet pump；
Level pressure expansion drum uses bellows Constant pressure tank or diaphragm type Constant pressure tank；
Descaler uses electronic scale remover；
Described coolant distributor uses plate type heat exchanger or shell and tube exchanger；Described refrigeration terminal uses copper pipe aluminum fin
Structure or micro-channel parallel flow structure.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 2, it is characterised in that described condensation fan
(9) axial flow blower is used；
Filler in packing layer use S ripple filler, oblique mistake filler, step Trapezium oblique wave filler, difference position formula sine wave filler,
Point ripple filler, hexagon cellular filler, two-way ripple filler or bias ripple filler.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 1, it is characterised in that described air-cooled cooling
In in system chambers, side condenser is installed on indoor rack, it is connected by pipeline with coolant allocation unit, by the evaporation of coolant
Take away the heat that condenser distributes.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 1, it is characterised in that described liquid cooling unit
(21) it is directly mounted at heat-producing device surface, is directly taken away the heat of heat-producing device by the boiling heat transfer of cycle fluid.
7. according to the refrigerating method driving double low-temperature receiver based on dual temperature described in claim 1, it is characterised in that outdoor measurement equipment also includes
Cooling module (19)；Cooling module is connected with the water return pipeline that supplies of chilled water by valve；Cooling module is controlled by control system；
Cooling module is wind-water-to-water heat exchanger, for using the air of outdoor to be the chilled water cooling in chilled water system；In cooling module
It is provided with blower fan.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 7, it is characterised in that work as outdoor environment temperature
During less than or equal to T3, close water chiller and cooling tower, open cooling module, now no-cooling-water circulation；T3 is-8～-12R
In a certain temperature value.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 7, it is characterised in that described indoor
Equipment is one or more sets；When indoor equipment for overlapping more, in multi-room, side apparatus is in parallel.
The refrigerating method driving double low-temperature receiver based on dual temperature the most according to claim 9, it is characterised in that indoor equipment is equal
It is arranged in an indoor machine cabinet.
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| CN114234666A (en) * | 2021-12-20 | 2022-03-25 | 中车株洲电力机车有限公司 | Electric locomotive and double-loop cooling tower and control method thereof |
| CN114234666B (en) * | 2021-12-20 | 2023-09-05 | 中车株洲电力机车有限公司 | Electric locomotive, double-loop cooling tower thereof and control method |
| CN114225461A (en) * | 2021-12-28 | 2022-03-25 | 苏州兆和环能科技有限公司 | Gas condensation control method and system, and gas recovery module and system using system |
| CN114225461B (en) * | 2021-12-28 | 2023-08-18 | 苏州兆和环能科技有限公司 | Gas condensation control method and system, and gas recovery module and system using system |
| WO2024130934A1 (en) * | 2022-12-19 | 2024-06-27 | 深圳市英维克科技股份有限公司 | Composite evaporative cooling unit, control method therefor, and readable storage medium |
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Application publication date: 20161026 |