CN106288468A - Vertical downstream directly contacts the air-cooled refrigeration system of auxiliary of condensation - Google Patents

Vertical downstream directly contacts the air-cooled refrigeration system of auxiliary of condensation Download PDF

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Publication number
CN106288468A
CN106288468A CN201610837552.7A CN201610837552A CN106288468A CN 106288468 A CN106288468 A CN 106288468A CN 201610837552 A CN201610837552 A CN 201610837552A CN 106288468 A CN106288468 A CN 106288468A
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CN
China
Prior art keywords
electromagnetic valve
heat exchanger
liquid
vertical downstream
entrance
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
CN201610837552.7A
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Chinese (zh)
Inventor
宁静红
李超飞
梁友才
张哲�
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Tianjin University of Commerce
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Tianjin University of Commerce
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Filing date
Publication date
Application filed by Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN201610837552.7A priority Critical patent/CN106288468A/en
Publication of CN106288468A publication Critical patent/CN106288468A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05Compression system with heat exchange between particular parts of the system
    • F25B2400/051Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle

Abstract

The invention discloses a kind of vertical downstream and directly contact the air-cooled refrigeration system of auxiliary of condensation.The present invention includes that refrigeration compressor, oil eliminator, auxiliary air cooling heat exchanger, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, vertical downstream directly contact condensing heat exchanger, the 4th electromagnetic valve, choke valve, liquid pump, vaporizer, liquid reservoir, liquid barrier, shower nozzle and housing;Described vertical downstream directly contacts condensing heat exchanger and is made up of housing, liquid barrier and shower nozzle, and the entrance of shower nozzle is connected with feed pipe and is uniformly distributed in the top of housing, and upward, liquid barrier is equidistant is welded in enclosure interior to jet expansion;The outlet of refrigeration compressor is by being divided into two-way after oil eliminator, the first electromagnetic valve of leading up to is connected with the entrance of auxiliary air cooling heat exchanger, and the 3rd electromagnetic valve of separately leading up to directly contacts the gas access adapter of condensing heat exchanger and connects with vertical downstream.The present invention can reduce pressure ratio effectively with the delivery temperature of reduction refrigeration compressor, increase refrigerant system capacity, improves the performance of refrigeration system, simple in construction, easy to operate, protection environment, the saving energy.

Description

Vertical downstream directly contacts the air-cooled refrigeration system of auxiliary of condensation
Technical field
The present invention relates to a kind of refrigeration technology field, particularly relating to a kind of band vertical downstream, directly to contact condensation heat transfer auxiliary Help air-cooled refrigeration system.
Background technology
Refrigeration compressor in current Refrigeration & Air-Conditioning technical applications, conventional air-cooled condensing formula refrigeration system The high temperature and high pressure gas discharged is taken away heat cooling by air cooling medium and is condensed into the liquid of High Temperature High Pressure, and cold-producing medium is with cold But being dividing wall type heat transfer between medium, heat transmission need to leading through the heat convection of two side liquids and heat exchanger heat transfer wall Heat, the heat conduction of heat exchanger heat transfer wall itself is affected with material by wall thickness, the lubricating oil that particularly wall gathers and dirt shape The thermal resistance becoming heat transfer resistance to will result in condensing heat exchanger increases, and heat transfer coefficient declines, and needs bigger between cold-producing medium and cooling medium Heat transfer temperature difference distributes heat, causes the delivery temperature of refrigeration compressor to raise, and pressure ratio increases, and volumetric efficiency reduces, refrigeration pressure The wasted work of contracting machine increases, and the coefficient of performance of refrigeration system declines, and therefore, the exploitation condensing heat exchanger that directly contact condenses, with fall The delivery temperature of low refrigeration compressor, reduces pressure ratio, improves volumetric efficiency, reduces the wasted work of refrigeration compressor, improves refrigeration The performance of system, it is achieved energy-conserving and environment-protective.But there are no embodiment at present.
Summary of the invention
It is an object of the invention to the technological deficiency existed for existing refrigeration system, it is provided that a kind of high-temperature high-pressure refrigerant gas Body forward flows with highly pressurised liquid and directly contacts condensation, assists air-cooled refrigeration system, to improve the runnability of refrigeration system.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of vertical downstream directly contacts the air-cooled refrigeration system of auxiliary of condensation, including refrigeration compressor, oil eliminator, auxiliary Help air cooling heat exchanger, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, vertical downstream directly contact condensing heat exchanger, the 4th Electromagnetic valve, choke valve, liquid pump, vaporizer, liquid reservoir;Described vertical downstream directly contacts condensing heat exchanger by housing, gear liquid Plate and shower nozzle composition, the entrance of shower nozzle is connected with feed pipe and is uniformly distributed in the top of housing, jet expansion upward, liquid barrier Equidistant it is welded in enclosure interior;The outlet of refrigeration compressor by being divided into two-way after oil eliminator, lead up to first electricity Magnet valve is connected with the entrance of auxiliary air cooling heat exchanger, and the 3rd electromagnetic valve of separately leading up to directly contacts condensation heat transfer with vertical downstream The gas access adapter of device connects, and the discharging tube of described vertical downstream condensing heat exchanger passes through the second electromagnetic valve and the first electromagnetic valve Outlet parallel connection after is connected with the entrance of auxiliary air cooling heat exchanger, the entrance of outlet and the liquid reservoir of auxiliary air cooling heat exchanger connects Connecing, the outlet of liquid reservoir is divided into two-way, and a road is connected with feed pipe through liquid pump and the 4th electromagnetic valve, and another road is through throttling Valve is connected with the entrance of vaporizer, and the outlet of vaporizer is connected with the entrance of refrigeration compressor.
Described auxiliary air cooling heat exchanger is fin tube type, and liquid reservoir is the pressure vessel of hollow, and its housing is provided with liquidometer, And automatically control liquid pump, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve by liquid-level floater valve Open and close.
Described shower nozzle has multiple, and its quantity directly contacts condensing heat exchanger according to the refrigerating capacity of refrigeration system with vertical downstream Space size and required spouting liquid design.
Compared with prior art, the invention has the beneficial effects as follows:
1, the vertical downstream of the present invention directly contacts the air-cooled refrigeration system of auxiliary of condensation, utilizes the cold-producing medium of High Temperature High Pressure Gas forward flows with liquid and directly contacts releasing heat condensation, can be effectively reduced the delivery temperature of refrigeration compressor, subtract Few pressure ratio, improves volumetric efficiency, reduces the wasted work of refrigeration compressor, improves the performance of refrigeration system.
2, the vertical downstream of the present invention directly contacts the air-cooled refrigeration system of auxiliary of condensation, utilizes auxiliary air cooling heat exchanger real Supercool before existing high temperature high pressure liquid reducing pressure by regulating flow so that the enthalpy entering vaporizer reduces, and puies forward big refrigerant system capacity, enters One step improves the performance of refrigeration system, simple in construction, easy to operate, protection environment, the saving energy.
Accompanying drawing explanation
Fig. 1 show the vertical downstream of the present invention and directly contacts the schematic diagram assisting air-cooled refrigeration system of condensation;
Fig. 2 show vertical downstream and directly contacts the connecting tube schematic diagram of condensing heat exchanger.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The vertical downstream of the present invention directly contacts the auxiliary air-cooled refrigeration system schematic diagram of condensation as Figure 1-Figure 2, bag Include refrigeration compressor 1, oil eliminator 2, auxiliary air cooling heat exchanger the 3, first electromagnetic valve the 4, second electromagnetic valve the 5, the 3rd electromagnetic valve 6, Vertical downstream directly contacts condensing heat exchanger the 7, the 4th electromagnetic valve 8, choke valve 9, liquid pump 10, vaporizer 11, liquid reservoir 12, gear Liquid plate 13, shower nozzle 14 and housing 15.
Described vertical downstream directly contacts condensing heat exchanger 7 and is made up of housing 15, liquid barrier 13 and shower nozzle 14, shower nozzle 14 Entrance is connected with feed pipe 18 and is uniformly distributed in the top of housing 15, jet expansion upward, the equidistant welding of liquid barrier 13 In enclosure interior;The outlet of refrigeration compressor 1, by being divided into two-way after oil eliminator 2, is leaded up to the first electromagnetic valve 4 and assists The entrance of air cooling heat exchanger 3 connects, and the 3rd electromagnetic valve 6 of separately leading up to directly contacts the gas of condensing heat exchanger 7 with vertical downstream Body inlet connection 17 connects, and the discharging tube 16 of described vertical downstream condensing heat exchanger 7 is by the second electromagnetic valve 5 and the first electromagnetic valve After the outlet parallel connection of 4, the entrance with auxiliary air cooling heat exchanger 3 is connected, the auxiliary outlet of air cooling heat exchanger 3 and entering of liquid reservoir 12 Mouth connects, and the outlet of liquid reservoir 12 is divided into two-way, and a road is connected with feed pipe 18, separately through liquid pump 10 and the 4th electromagnetic valve 8 One tunnel is connected through the entrance of choke valve 9 with vaporizer 11, and the outlet of vaporizer 11 is connected with the entrance of refrigeration compressor 1.
Described auxiliary air cooling heat exchanger 3 is fin tube type, and liquid reservoir 12 is the pressure vessel of hollow, and its housing is provided with liquid level Meter, and automatically control liquid pump the 10, first electromagnetic valve the 4, second electromagnetic valve the 5, the 3rd electromagnetic valve 6 and the 4th by liquid-level floater valve The keying of electromagnetic valve 8.
Described shower nozzle has multiple, and its quantity directly contacts condensing heat exchanger according to the refrigerating capacity of refrigeration system with vertical downstream The space size of 7 and the design of required spouting liquid.
When system start-up runs, the first electromagnetic valve 4 is opened, and the second electromagnetic valve the 5, the 3rd electromagnetic valve 6 and the 4th electromagnetic valve 8 close Closing, the refrigerant gas of the High Temperature High Pressure that refrigeration compressor 1 is discharged enters auxiliary air cooling heat exchanger 3 through oil eliminator 2 and releases Heat condenses into high temperature high pressure liquid and enters liquid reservoir 12, and liquid reservoir 12 high temperature high pressure liquid out throttles through choke valve 9 Blood pressure lowering is that the liquid of low-temp low-pressure enters vaporizer 11, and the refrigerant liquid of low-temp low-pressure absorbs external heat in vaporizer 11 For providing low-temperature receiver with cold space, the low temperature low pressure gas of evaporation enters refrigeration compressor 1;When the internal accumulation of liquid reservoir 12 is certain Liquid, liquid level arrives setting height, and liquid-level floater valve events makes liquid pump 10 start, and the 4th electromagnetic valve 8 is opened, and action simultaneously makes First electromagnetic valve 4 cuts out, the second electromagnetic valve 5 and the 3rd electromagnetic valve 6 are opened, and auxiliary air cooling heat exchanger 3 liquid out enters storage Liquid device 12, liquid reservoir 12 partially liq out through liquid pump 10, the 4th electromagnetic valve 8, sprays into vertical downstream by shower nozzle 14 Directly contacting the inner space of condensing heat exchanger 7, meanwhile, the high temperature and high pressure gas that refrigeration compressor 1 is got rid of is through the second electromagnetism Valve 5 enters the inside of vertical direct contact condensing heat exchanger 7 and the liquid direct contact heat exchange of shower nozzle ejection, accumulates in bottom Coagulating liq entered the 3rd electromagnetic valve 6 enter auxiliary air cooling heat exchanger 3 heat exchanger tube in outside air heat exchange release heat Measuring supercool, the subcooled liquid of auxiliary air cooling heat exchanger 3 outlet is divided into two-way, and a road is through liquid pump the 10, the 4th electromagnetic valve 8, logical Crossing shower nozzle 14 to spray into vertical downstream and directly contact condensing heat exchanger 7, another road is through being that low temperature is low through choke valve 9 reducing pressure by regulating flow The liquid of pressure enters vaporizer 11, and the refrigerant liquid of low-temp low-pressure absorbs external heat for carry with cold space in vaporizer 11 For low-temperature receiver, the low temperature low pressure gas of evaporation enters refrigeration compressor 1.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications Also should be regarded as protection scope of the present invention.

Claims (2)

1. the air-cooled refrigeration system of auxiliary that a vertical downstream directly contacts condensation, it is characterised in that include refrigeration compressor, oil Separator, auxiliary air cooling heat exchanger, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, vertical downstream directly contact condensation and change Hot device, the 4th electromagnetic valve, choke valve, liquid pump, vaporizer and liquid reservoir;Described vertical downstream directly contact condensing heat exchanger by Housing, liquid barrier and shower nozzle composition, the entrance of shower nozzle is connected and is uniformly distributed in the top of housing, jet expansion court with feed pipe On, liquid barrier is equidistant is welded in enclosure interior;The outlet of refrigeration compressor is by being divided into two-way, a-road-through after oil eliminator Crossing the first electromagnetic valve to be connected with the entrance of auxiliary air cooling heat exchanger, the 3rd electromagnetic valve of separately leading up to directly contacts with vertical downstream The gas access adapter of condensing heat exchanger connects, and the discharging tube of described vertical downstream condensing heat exchanger is by the second electromagnetic valve and the After the outlet parallel connection of one electromagnetic valve, the entrance with auxiliary air cooling heat exchanger is connected, the outlet of auxiliary air cooling heat exchanger and liquid reservoir Entrance connects, and the outlet of liquid reservoir is divided into two-way, and a road is connected with feed pipe through liquid pump and the 4th electromagnetic valve, another road warp Crossing choke valve to be connected with the entrance of vaporizer, the outlet of vaporizer is connected with the entrance of refrigeration compressor.
Vertical downstream the most according to claim 1 directly contacts the air-cooled refrigeration system of auxiliary of condensation, it is characterised in that institute Stating auxiliary air cooling heat exchanger is fin tube type, and liquid reservoir is the pressure vessel of hollow, and the housing of liquid reservoir is provided with liquidometer, and leads to Cross liquid-level floater valve and automatically control opening of liquid pump, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve Close.
CN201610837552.7A 2016-09-20 2016-09-20 Vertical downstream directly contacts the air-cooled refrigeration system of auxiliary of condensation Pending CN106288468A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642836A (en) * 2017-02-17 2017-05-10 天津商业大学 Direct contact condensation refrigeration system with saturated liquid supercooled completely
CN106766314A (en) * 2017-02-17 2017-05-31 天津商业大学 Directly contact with auxiliary circulation condenses refrigeration system

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US1946328A (en) * 1932-07-12 1934-02-06 Neff Judson Apparatus for removing superheat from compressed gas to be condensed in a surface condenser
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US5097677A (en) * 1988-01-13 1992-03-24 Texas A&M University System Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle
US5150580A (en) * 1991-03-08 1992-09-29 Hyde Robert E Liquid pressure amplification with superheat suppression
CN103518106A (en) * 2011-04-20 2014-01-15 东京电力株式会社 Condensing device
CN203629363U (en) * 2013-09-21 2014-06-04 南京福昌环保有限公司 Dry type reflux high-level condenser
CN104567467A (en) * 2014-12-24 2015-04-29 无锡市南长区科技创业服务中心 Heat exchanger with relatively high efficiency
CN206073488U (en) * 2016-09-20 2017-04-05 天津商业大学 The air-cooled refrigeration system of auxiliary that vertical downstream directly contact condenses

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Publication number Priority date Publication date Assignee Title
US1946328A (en) * 1932-07-12 1934-02-06 Neff Judson Apparatus for removing superheat from compressed gas to be condensed in a surface condenser
CN86104578A (en) * 1986-06-28 1987-02-11 山东省淄博市科技情报研究所 Reverse-flow type ice maker-heat pump combined operating technology and equipment thereof
US5097677A (en) * 1988-01-13 1992-03-24 Texas A&M University System Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle
US5150580A (en) * 1991-03-08 1992-09-29 Hyde Robert E Liquid pressure amplification with superheat suppression
CN103518106A (en) * 2011-04-20 2014-01-15 东京电力株式会社 Condensing device
CN203629363U (en) * 2013-09-21 2014-06-04 南京福昌环保有限公司 Dry type reflux high-level condenser
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642836A (en) * 2017-02-17 2017-05-10 天津商业大学 Direct contact condensation refrigeration system with saturated liquid supercooled completely
CN106766314A (en) * 2017-02-17 2017-05-31 天津商业大学 Directly contact with auxiliary circulation condenses refrigeration system

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Application publication date: 20170104