CN103322716A - Outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection - Google Patents
Outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection Download PDFInfo
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- CN103322716A CN103322716A CN2013102385466A CN201310238546A CN103322716A CN 103322716 A CN103322716 A CN 103322716A CN 2013102385466 A CN2013102385466 A CN 2013102385466A CN 201310238546 A CN201310238546 A CN 201310238546A CN 103322716 A CN103322716 A CN 103322716A
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Abstract
The invention relates to an outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection. A compressor unit is connected with an inlet of a first flow path of a plate type heat exchanger sequentially through an oil-gas separator, a condenser and a liquid accumulator, an outlet of the first flow path is sequentially connected with a cooling load and an air suction inlet of the compressor unit, an inlet of a second flow path of the plate type heat exchanger is connected with an outlet of the liquid accumulator through an auxiliary pipeline, a plurality of groups of throttling devices in parallel connection are arranged on the auxiliary pipeline, and an outlet of the second flow path is connected with the air suction inlet of the compressor unit. The plate type heat exchanger is additionally arranged between the condenser and the cooling load, distributed coolants absorb heat for the first flow path in the second flow path of the plate type heat exchanger through a mechanical expansion valve after the coolants are stored in the liquid accumulator, the super-cooling degree of the coolants flowing through the first flow path is improved, the cooling capacity and the energy efficiency ratio of the condensing unit are improved, and energy conservation and environmental protection are achieved.
Description
Technical field
The present invention relates to a kind of Condensing units, particularly a kind of low temperature vortex parallel Condensing units of outdoor version band steam jet enthalpy.
Background technology
The closed system that general refrigeration system is comprised of compressor, condenser, restricting element, evaporimeter etc., fill an amount of cold-producing medium in the closed system, under the compressor effect, cold-producing medium returns compressor by compressor compresses by condenser, restricting element and evaporimeter, cold-producing medium carries out heat exchange in evaporimeter, realized the indoor process of refrigerastion that condenser heat extraction, evaporimeter absorb heat.Evaporimeter is when low evaporating temperature operation, and compressor pressure ratios increases, and displacement and Energy Efficiency Ratio significantly descend, and the delivery temperature of compressor is higher simultaneously, affects the refrigeration system safety in operation.
Summary of the invention
The object of the present invention is to provide the low temperature vortex parallel Condensing units of outdoor version band steam jet enthalpy a kind of simple in structure, energy-conservation, efficient.
In order to achieve the above object, the technical solution used in the present invention is: a kind of low temperature vortex parallel Condensing units of outdoor version band steam jet enthalpy, by compressor bank, oil-liquid separator, condenser and reservoir are connected in sequence, it is characterized in that connecting a plate type heat exchanger behind the described reservoir, the import of the first pass of plate type heat exchanger connects the reservoir outlet through main line, the outlet of first pass connects refrigeration load and compressor bank suction inlet successively, the import of the second flow process of plate type heat exchanger connects the reservoir outlet through auxiliary pipeline, auxiliary pipeline is provided with many groups throttling arrangement in parallel, and the outlet of the second flow process connects the compressor bank suction inlet.
Described throttling arrangement comprises magnetic valve and mechanical swelling valve, and magnetic valve connects mechanical expansion valve.
The corresponding compressor bank suction inlet of the mechanical swelling valve temperature-sensitive bag of described a plurality of throttling arrangements arranges.
Described compressor bank suction inlet comprises and is communicated with the compressor air suction mouth and is communicated with compressor intergrade air entry, the outlet of the second flow process of plate type heat exchanger connects compressor bank intergrade air entry, and a plurality of compressor air suction mouths of the corresponding compressor bank of the mechanical swelling valve temperature-sensitive bag of a plurality of throttling arrangements arrange.
Compared with prior art, the beneficial effect that the present invention reaches is: the cold-producing medium after the compressor compresses is delivered to plate type heat exchanger after condenser condenses, cold-producing medium is delivered to refrigeration load through main line by the plate type heat exchanger first pass, cold-producing medium by auxiliary pipeline successively through magnetic valve, the mechanical swelling valve enters plate type heat exchanger the second flow process, step-down becomes the low-pressure low-temperature refrigerant with the mechanical swelling valve by magnetic valve, the low-pressure low-temperature refrigerant in plate type heat exchanger the second flow process with first pass in after cold-producing medium carries out heat exchange, get back to compressor bank intergrade air entry, offer compressor mixing compression, increase the compressor air-discharging amount, improve compressor efficiency.The refrigerant liquid temperature of delivering to simultaneously evaporimeter further reduces, and enthalpy difference increases in the refrigeration major loop, is convenient to improve refrigeration and efficient, plays energy-saving effect; The present invention sets up a plate type heat exchanger between condenser and refrigeration load, cold-producing medium absorbs heat to first pass in plate type heat exchanger the second flow process through the mechanical swelling valve at splitter section cold-producing medium behind the reservoir, improved the cold-producing medium degree of supercooling in the first pass of flowing through, promote refrigerating capacity and the Energy Efficiency Ratio of equipment, reached the purpose of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: compressor bank 1, air entry 2, intergrade air entry 3, gs-oil separator 4, condenser 5, reservoir 6, plate type heat exchanger 7, first pass 8, first pass import 81,9, the second flow process imports 92 of first pass outlet 82, the second flow processs, the second flow process outlet 91, magnetic valve 10, mechanical swelling valve 11, refrigeration load 12, main line 13, auxiliary pipeline 14.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Shown in Figure 1, a kind of low temperature vortex parallel Condensing units of outdoor version band steam jet enthalpy comprises compressor bank 1, gs-oil separator 4, condenser 5, reservoir 6, plate type heat exchanger 7, magnetic valve 10, mechanical swelling valve 11, main line 13 and auxiliary pipeline 14.Compressor bank 1, gs-oil separator 4, condenser 5 is connected with reservoir successively and is connected, reservoir 6 outlets are through the first pass import 81 of main line 13 connecting plate type heat exchangers 7 first passes 8, first pass outlet 82 connects the air entry 2 of the multiple compressors of compressor bank 1 through refrigeration load 12, auxiliary pipeline 14 between the outlet of the second flow process import 91 of the second flow process 9 of plate type heat exchanger 7 and reservoir is provided with many groups throttling arrangements in parallel, throttling arrangement comprises magnetic valve 10 and mechanical swelling valve 11, magnetic valve 10 connects mechanical expansion valve 11, the temperature-sensitive bag of the many group mechanical swelling valves 11 respectively air entry 2 of the multiple compressors of corresponding compressor bank 1 arranges, and the second flow process outlet 92 of plate type heat exchanger 7 is communicated with compressor bank 1 intergrade air entry 3.
The course of work of the present invention is: the high temperature that compressor bank is discharged, higher pressure refrigerant gas, after condenser condenses, become liquid, reservoir out liquid is divided into main road and bypass, main line liquid enters in the plate type heat exchanger first pass, become subcooled liquid after the heat exchange, the refrigerant liquid of bypass enters in board-like heat exchanger the second flow process through the throttling arrangement reducing pressure by regulating flow is laggard, with become gas after the heat exchange of plate type heat exchanger first pass refrigerant liquid, intergrade air entry by compressor bank sucks, main road cold-producing medium subcooled liquid is sent into refrigeration load, become low-pressure gas after the heat exchange, sucked by the compressor air suction mouth, the refrigerant gas that intergrade and low-pressure stage suck mixes in the compressor compresses process, forms high temperature, gases at high pressure are discharged compressor, form closed circulation.
Claims (4)
1. the low temperature vortex parallel Condensing units of an outdoor version band steam jet enthalpy, by compressor bank, gs-oil separator, condenser and reservoir are connected in sequence, it is characterized in that: connect a plate type heat exchanger behind the described reservoir, the import of the first pass of plate type heat exchanger connects the reservoir outlet through main line, the outlet of first pass connects refrigeration load and compressor bank suction inlet successively, the import of the second flow process of plate type heat exchanger connects the reservoir outlet through auxiliary pipeline, auxiliary pipeline is provided with many groups throttling arrangement in parallel, and the outlet of the second flow process connects the compressor bank suction inlet.
2. the low temperature vortex parallel Condensing units of a kind of outdoor version band steam jet enthalpy according to claim 1, it is characterized in that: described throttling arrangement comprises magnetic valve and mechanical swelling valve, and magnetic valve connects mechanical expansion valve.
3. a kind of steam jet enthalpy according to claim 2 Condensing units in parallel is characterized in that: the corresponding compressor bank suction inlet setting of the mechanical swelling valve temperature-sensitive bag of described a plurality of throttling arrangements.
4. a kind of steam jet enthalpy according to claim 3 Condensing units in parallel, it is characterized in that: described compressor bank suction inlet comprises and is communicated with the compressor air suction mouth and is communicated with compressor intergrade air entry, the outlet of the second flow process of plate type heat exchanger connects compressor bank intergrade air entry, and a plurality of compressor air suction mouths of the corresponding compressor bank of the mechanical swelling valve temperature-sensitive bag of a plurality of throttling arrangements arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102385466A CN103322716A (en) | 2013-06-17 | 2013-06-17 | Outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102385466A CN103322716A (en) | 2013-06-17 | 2013-06-17 | Outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection |
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| CN103322716A true CN103322716A (en) | 2013-09-25 |
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| CN2013102385466A Pending CN103322716A (en) | 2013-06-17 | 2013-06-17 | Outdoor low-temperature vortex parallel compression condensing unit with enhanced vapor injection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973014A (en) * | 2017-11-13 | 2018-05-01 | 惠州市广源钢结构工程有限公司 | A kind of storage tank with petroleum storage and retracting device |
| CN109737626A (en) * | 2019-03-15 | 2019-05-10 | 松下冷机***（大连）有限公司 | The air-cooled condensate compressor group of low-temperature vortex parallel-connection of the outdoor version with Gas-supplying enthalpy-increasing |
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| US20060123840A1 (en) * | 2004-12-10 | 2006-06-15 | Alexander Lifson | Refrigerant system with common economizer and liquid-suction heat exchanger |
| CN201811481U (en) * | 2010-01-25 | 2011-04-27 | 大连三洋压缩机有限公司 | Low-temperature heat pump system |
| CN202074696U (en) * | 2011-04-29 | 2011-12-14 | 广州凯能电器科技有限公司 | Low-temperature air injection enthalpy increasing heat pump water heater |
| CN202328888U (en) * | 2011-11-15 | 2012-07-11 | 宁波惠康实业有限公司 | Refrigeration system |
| CN102997515A (en) * | 2011-09-09 | 2013-03-27 | 常州晶冷工业制冷设备有限公司 | Water-cooled type low-temperature refrigerant compressor unit with economizer and shutoff valve |
| CN203364497U (en) * | 2013-06-17 | 2013-12-25 | 江苏科立德制冷设备有限公司 | Outdoor low-temperature vortex parallel connection compression condensing unit with functions of steam spraying and enthalpy increasing |
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2013
- 2013-06-17 CN CN2013102385466A patent/CN103322716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060123840A1 (en) * | 2004-12-10 | 2006-06-15 | Alexander Lifson | Refrigerant system with common economizer and liquid-suction heat exchanger |
| CN201811481U (en) * | 2010-01-25 | 2011-04-27 | 大连三洋压缩机有限公司 | Low-temperature heat pump system |
| CN202074696U (en) * | 2011-04-29 | 2011-12-14 | 广州凯能电器科技有限公司 | Low-temperature air injection enthalpy increasing heat pump water heater |
| CN102997515A (en) * | 2011-09-09 | 2013-03-27 | 常州晶冷工业制冷设备有限公司 | Water-cooled type low-temperature refrigerant compressor unit with economizer and shutoff valve |
| CN202328888U (en) * | 2011-11-15 | 2012-07-11 | 宁波惠康实业有限公司 | Refrigeration system |
| CN203364497U (en) * | 2013-06-17 | 2013-12-25 | 江苏科立德制冷设备有限公司 | Outdoor low-temperature vortex parallel connection compression condensing unit with functions of steam spraying and enthalpy increasing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973014A (en) * | 2017-11-13 | 2018-05-01 | 惠州市广源钢结构工程有限公司 | A kind of storage tank with petroleum storage and retracting device |
| CN109737626A (en) * | 2019-03-15 | 2019-05-10 | 松下冷机***（大连）有限公司 | The air-cooled condensate compressor group of low-temperature vortex parallel-connection of the outdoor version with Gas-supplying enthalpy-increasing |
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Application publication date: 20130925 |