CN106953468A - A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process - Google Patents

A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process Download PDF

Info

Publication number
CN106953468A
CN106953468A CN201710264947.7A CN201710264947A CN106953468A CN 106953468 A CN106953468 A CN 106953468A CN 201710264947 A CN201710264947 A CN 201710264947A CN 106953468 A CN106953468 A CN 106953468A
Authority
CN
China
Prior art keywords
evaporator
refrigerant
condenser
electric machine
pumping station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710264947.7A
Other languages
Chinese (zh)
Inventor
陈松山
于贤磊
周正富
何钟宁
陈加琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou University
Original Assignee
Yangzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou University filed Critical Yangzhou University
Priority to CN201710264947.7A priority Critical patent/CN106953468A/en
Publication of CN106953468A publication Critical patent/CN106953468A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/20Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle

Abstract

The invention discloses a kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process, including compressor, condenser, evaporator, refrigerant and blower fan, connected between the compressor, condenser, evaporator by pipeline, the evaporator is arranged in Electric Machine at Pumping Station fuel tank, the blower fan wind direction is against condenser, the refrigerant is freon, the condenser to pipeline between evaporator sets gradually dual pressure controller, device for drying and filtering, expansion valve and choke valve, and the evaporator to pipeline between compressor sets low pressure controller.Electric Machine at Pumping Station heat is sent in air by the present invention with the specific physical property of refrigerant, realizes the carrying of heat, and design science, clear principle, system is succinct, and installation and repairing is convenient, practicality and high efficiency, good cooling results.

Description

A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process
Technical field
The present invention relates to a kind of cooling system, specifically a kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process, Belong to pumping plant security protection technology category.
Background technology
Pumping plant in the process of running, motor necessarily lead to during mechanical energy is converted electrical energy into, inside it copper loss, Iron core consumption, mechanical friction loss and added losses, these losses not only influence electric efficiency and economy, simultaneously because energy consumption turns Turn to heat energy so that each part temperatures rise of motor, influence the service life of motor insulation material, and limiting motor power is defeated Go out, when serious even motor damage, be vital, the quality of cooling effect to Electric Machine at Pumping Station cooling treatment, directly therefore Affect the safe and highly efficient operation and service life of pumping plant.
The conventional motor type of cooling of current traditional pump station has board-like hot swapping, tube coil type heat exchanger technology and wind Three kinds of cold type water chiller technology.Board-like hot swapping cold flow system makes reclaimed water is derived from natural water source, and water quality is difficult to control to, and is easily gone out Existing pollutant blocks intake, and silt, sludge, algae etc. can enter cold flow pipe-line system, cause system corrosion, fouling, bacterium algae The problems such as growth, blocking or foreign matter winding water pump vane.Gap very little between the plate of heat-exchangers of the plate type, to water quality requirement Very high, once forming incrustation scale, hydraulic performance will deteriorate significantly with heat transfer property, noise when current flow through heat-exchangers of the plate type in addition Also than larger.Coil pipe in tube coil type heat exchanger technology is placed in nature water environment, by the influence factor of natural water quality current More, the coil pipe outer wall being positioned in river course or runner is perishable, and coil pipe is fragile by water impact, silt erosion etc., streams The external water stream flow and temperature of coil pipe are uncontrollable, and pump assembly cooling water temperature may be caused to change greatly, in addition, aquatic spiral shell Mollusk can be adsorbed in coil pipe outside wall surface category, cause coil pipe thermal resistance to increase, heat exchange property is deteriorated;The disk placed in static river Pipe surface easily grows bacterium algae, silting or attachment dirt, influences heat transfer effect.Air-cooled water in air-cooled water chiller technology The heat stream of cold group be the heat exchange of dynamo oil and cooling water, cooling water and refrigerant heat exchanger, refrigerant heat energy transport, refrigerant with Air heat-exchange, realizes that the heat of motor is dissipated to natural environment, the circulatory system is complicated, and investment and operating cost are big, energy resource consumption Greatly.
Therefore, on the basis of existing technology, the cooling technology suitable for Electric Machine at Pumping Station high efficient and reliable how is developed, it is right Ensure pumping plant safe and highly efficient operation, improve pumping station operation efficiency with especially important meaning.
The content of the invention
The present invention is exactly on the basis of existing technology, to be proposed for above technical problem.The purpose of the present invention is to carry For a kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process, with the specific physical property of refrigerant, by Electric Machine at Pumping Station Heat is sent in air, realizes the carrying of heat, and design science, clear principle, system is succinct, and installation and repairing is convenient, practical Efficiently, good cooling results.
It is an object of the invention to disclose a kind of Electric Machine at Pumping Station air conditioner type cooling system, it is characterized in that, including compression Machine, condenser, evaporator and refrigerant, are connected between the compressor, condenser, evaporator by pipeline, the evaporator It is arranged in Electric Machine at Pumping Station fuel tank.
Further, it is additionally provided with blower fan, blower fan wind direction is against condenser.
Further, the refrigerant is freon.
Further, the condenser to pipeline between evaporator sets gradually dual pressure controller, device for drying and filtering, expansion Valve and choke valve.
Further, the evaporator to pipeline between compressor sets low pressure controller.
Another object of the present invention is to disclose a kind of application process of Electric Machine at Pumping Station air conditioner type cooling system, including with Lower step:
(1)The evaporation process of refrigerant
The heat energy of energy consumption of electrical machinery conversion passes to machine oil first, and oily temperature rise, evaporator is arranged in fuel tank, liquid refrigerating Agent is absorbed in evaporator after the heat of fuel tank inner engine oil, is vaporized into the steam of low-temp low-pressure;
(2)The compression process of refrigerant
The refrigerant flowed out from evaporator, the steam for being vaporized into low-temp low-pressure is sucked after low pressure controller by compressor, By the compression of compressor, by the both vapor compression of low-temp low-pressure into flowing into condenser after the steam of HTHP;
(3)The condensation process of refrigerant
The steam of HTHP is flowed into after condenser, and blower fan forces condenser to cooling medium air heat release, and heat is sent to sky In gas, the steam of HTHP is condensed into highly pressurised liquid;
(4)The throttling process of refrigerant
Highly pressurised liquid from condenser outflow is low by choke valve throttling after dual pressure controller, device for drying and filtering, expansion valve The refrigerant of temperature is forced down, evaporator heat absorption vaporization is again introduced into, reaches the purpose of circularly cooling.
So, refrigerant is followed through pervaporation, compression, condensation, throttling four basic processes completions, one refrigeration in systems Ring.The heat stream of system be motor transported with oil heat exchange, oil with refrigerant heat exchanger, refrigerant heat energy, refrigerant and air heat-exchange, Realize that the heat of cooling water is dissipated to natural environment.
Compared with prior art, the invention has the advantages that:
First, compared with air-cooled water chiller technology the most frequently used in existing traditional pump station, by oil and cooling water heat exchange, cooling Water is reduced to oil and refrigerant direct heat transfer process with refrigerant heat exchanger, reduces a cooling water recirculation system, solves miscellaneous Matter block system problem, saves investment and operating cost, and system is succinctly efficient;
Second, the refrigerant medium used is the freon with specific physical property, it is possible to achieve recycle, energy resource consumption It is small, only need periodically to supplement freon into system, you can ensure cooling system Effec-tive Function, improve Electric Machine at Pumping Station cooling effect Really, installation and repairing is convenient;
3rd, cooling system of the invention improves the gentle efficiency of management of Automated water of pumping plant, reduces energy consumption, cooling system Everyway significantly optimized, the development and application of the system by greatly improve the cooling of main frame pump feasibility and can By property, raise the management level, management cost is reduced, with higher economic benefit.
Electric Machine at Pumping Station heat is sent in air with the specific physical property of refrigerant, realizes heat by the present invention Carry.Design science of the present invention, clear principle, system is succinct, and installation and repairing is convenient, practicality and high efficiency, good cooling results.The system Development and application substantially increase main frame pump cooling feasibility and reliability, improve managerial skills, reduce management cost, With higher economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of Electric Machine at Pumping Station air conditioner type cooling system of the invention and its application process;
In figure:It is 1 compressor, 2 condensers, 3 dual pressure controllers, 4 devices for drying and filtering, 5 expansion valves, 6 choke valves, 7 evaporators, 8 low Pressure controller, 9 blower fans, 10 motor fuel tanks.
Embodiment
As shown in figure 1, a kind of Electric Machine at Pumping Station air conditioner type cooling system, including compressor 1, condenser 2, evaporator 7, refrigeration Agent and blower fan 9, are connected, evaporator 7 is arranged on Electric Machine at Pumping Station fuel tank 10 between compressor 1, condenser 2, evaporator 7 by pipeline It is interior.
The wind direction of blower fan 9 is against condenser 2, and refrigerant is freon.Condenser 2 to pipeline between evaporator 7 is set gradually Dual pressure controller 3, device for drying and filtering 4, expansion valve 5 and choke valve 6, evaporator 7 to pipeline between compressor 1 set low voltage control Device 8.
A kind of application process of Electric Machine at Pumping Station air conditioner type cooling system, comprises the following steps:
(1)The evaporation process of refrigerant
The heat energy of energy consumption of electrical machinery conversion passes to machine oil first, and oily temperature rise, evaporator is arranged in fuel tank, liquid refrigerating Agent is absorbed in evaporator after heat oily in fuel tank, is vaporized into the steam of low-temp low-pressure;
(2)The compression process of refrigerant
The refrigerant flowed out from evaporator, the steam for being vaporized into low-temp low-pressure is sucked after low pressure controller by compressor, By the effect of compressor, by the both vapor compression of low-temp low-pressure into being discharged into condenser after the steam of high pressure-temperature;
(3)The condensation process of refrigerant
The steam of high pressure-temperature is flowed into after condenser, and blower fan forces condenser to cooling medium(Air)Heat release, heat is sent to In air and it is condensed into highly pressurised liquid;
(4)The throttling process of refrigerant
Highly pressurised liquid from condenser outflow is low by choke valve throttling after dual pressure controller, device for drying and filtering, expansion valve The refrigerant of temperature is forced down, evaporator heat absorption vaporization is again introduced into, reaches the purpose of circularly cooling.
So, refrigerant is followed through pervaporation, compression, condensation, throttling four basic processes completions, one refrigeration in systems Ring.The heat stream of system be motor transported with oil heat exchange, oil with refrigerant heat exchanger, refrigerant heat energy, refrigerant and air heat-exchange, Realize that the heat of cooling water is dissipated to natural environment.
Design science of the present invention, clear principle, system is succinct, and installation and repairing is convenient, practicality and high efficiency, good cooling results.

Claims (6)

1. a kind of Electric Machine at Pumping Station air conditioner type cooling system, it is characterized in that, including compressor(1), condenser(2), evaporator(7)With Refrigerant, is connected between the compressor, condenser, evaporator by pipeline, and the evaporator is arranged on Electric Machine at Pumping Station fuel tank (10)It is interior.
2. a kind of Electric Machine at Pumping Station air conditioner type cooling system according to claim 1, it is characterized in that, it is additionally provided with blower fan(9), wind Machine wind direction is against condenser.
3. a kind of Electric Machine at Pumping Station air conditioner type cooling system according to claim 1, it is characterized in that, the refrigerant is fluorine profit It is high.
4. a kind of Electric Machine at Pumping Station air conditioner type cooling system according to claim 1, it is characterized in that, the condenser to evaporation Pipeline sets gradually dual pressure controller between device(3), device for drying and filtering(4), expansion valve(5)And choke valve(6).
5. a kind of Electric Machine at Pumping Station air conditioner type cooling system according to claim 1, it is characterized in that, the evaporator to compression Pipeline sets low pressure controller between machine(8).
6. the application process of the Electric Machine at Pumping Station air conditioner type cooling system any one of claim 1-5, it is characterized in that, including Following steps:
1)The evaporation process of refrigerant
The heat energy of energy consumption of electrical machinery conversion passes to machine oil first, and oily temperature rise, evaporator is arranged in fuel tank, liquid refrigerating Agent is absorbed in evaporator after the heat of fuel tank inner engine oil, is vaporized into the steam of low-temp low-pressure;
2)The compression process of refrigerant
The refrigerant flowed out from evaporator, the steam for being vaporized into low-temp low-pressure is sucked after low pressure controller by compressor, By the compression of compressor, by the both vapor compression of low-temp low-pressure into flowing into condenser after the steam of HTHP;
3)The condensation process of refrigerant
The steam of HTHP is flowed into after condenser, and blower fan forces condenser to cooling medium air heat release, and heat is sent to sky In gas, the steam of HTHP is condensed into highly pressurised liquid;
4)The throttling process of refrigerant
Highly pressurised liquid from condenser outflow is low by choke valve throttling after dual pressure controller, device for drying and filtering, expansion valve The refrigerant of temperature is forced down, evaporator heat absorption vaporization is again introduced into, reaches the purpose of circularly cooling.
CN201710264947.7A 2017-04-21 2017-04-21 A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process Pending CN106953468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710264947.7A CN106953468A (en) 2017-04-21 2017-04-21 A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710264947.7A CN106953468A (en) 2017-04-21 2017-04-21 A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process

Publications (1)

Publication Number Publication Date
CN106953468A true CN106953468A (en) 2017-07-14

Family

ID=59476587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710264947.7A Pending CN106953468A (en) 2017-04-21 2017-04-21 A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process

Country Status (1)

Country Link
CN (1) CN106953468A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111426086A (en) * 2020-05-20 2020-07-17 河海大学 Air-cooled water chiller
CN112564417A (en) * 2019-09-26 2021-03-26 襄阳中车电机技术有限公司 New energy automobile permanent magnet motor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886471Y (en) * 2006-02-21 2007-04-04 黄晓军 Liquid multi-circulating forced cooling system
JP2008082622A (en) * 2006-09-27 2008-04-10 Ebara Corp Compression type refrigerating device
CN201611190U (en) * 2010-01-05 2010-10-20 浙江盾安人工环境设备股份有限公司 Nuclear plant safety standard cooling-water machine set
CN102764569A (en) * 2012-07-05 2012-11-07 杭州山立净化设备有限公司 Energy storage type refrigeration type dryer
CN203785304U (en) * 2014-03-20 2014-08-20 扬州天智水冷设备有限公司 Heat pipe and steam compression combined type oil cooling unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886471Y (en) * 2006-02-21 2007-04-04 黄晓军 Liquid multi-circulating forced cooling system
JP2008082622A (en) * 2006-09-27 2008-04-10 Ebara Corp Compression type refrigerating device
CN201611190U (en) * 2010-01-05 2010-10-20 浙江盾安人工环境设备股份有限公司 Nuclear plant safety standard cooling-water machine set
CN102764569A (en) * 2012-07-05 2012-11-07 杭州山立净化设备有限公司 Energy storage type refrigeration type dryer
CN203785304U (en) * 2014-03-20 2014-08-20 扬州天智水冷设备有限公司 Heat pipe and steam compression combined type oil cooling unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈君慧 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112564417A (en) * 2019-09-26 2021-03-26 襄阳中车电机技术有限公司 New energy automobile permanent magnet motor
CN111426086A (en) * 2020-05-20 2020-07-17 河海大学 Air-cooled water chiller

Similar Documents

Publication Publication Date Title
US9316422B2 (en) Heat pump, small power station and method of pumping heat
CN201751573U (en) Wind machine with refrigerating system
CN101644506A (en) Compression-absorption type refrigerating machine
CN201014825Y (en) Centrifugal type refrigeration unit cooling system
JP2011122735A (en) Heat supply system
CN106953468A (en) A kind of Electric Machine at Pumping Station air conditioner type cooling system and its application process
CN103278000A (en) Drying system based on heat pipe and heat pump and use method of drying system
CN105258406A (en) Condenser system for air conditioner
CN103090590B (en) Gas engine-driven air screw source heat pump refrigerating and heating unit
CN208011270U (en) A kind of large body equipment Lubricating-oil Station cooling system
CN103438615A (en) Rotary electromagnetic heat pump system
CN102620407A (en) Cooling device for condenser of central air conditioning system
CN203399467U (en) Energy-saving air-cooled compressor cooling system
CN203413886U (en) Heat pipe auxiliary power energy-saving air conditioner
KR101091818B1 (en) An environment friendly refrigeration system using waste heat of a large-capacity compressor
CN103512284A (en) Water cooling subcooler and air-conditioning system with same
CN102705928A (en) Ice storage and heat storage air conditioner
CN207991016U (en) A kind of high-efficiency falling film type organic whole of double source heat pump unit
CN106196712B (en) A kind of compression using transformer waste heat absorbs composite refrigeration system and method
CN204460644U (en) A kind of energy-conservation cooling assembly
CN213362707U (en) High-efficient heat pump refrigeration heating device
CN215983330U (en) Water source heat pump unit with unpowered device circulation of intermediate medium
CN102419061A (en) Refrigerator with water fountain
CN211476365U (en) Frost-preventing air source heat pump cooling and heating machine
KR101093211B1 (en) Hybrid type cold and warm water supply system for heat pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170714

RJ01 Rejection of invention patent application after publication