CN104421129A - Refrigeration compressor - Google Patents
Refrigeration compressor Download PDFInfo
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- CN104421129A CN104421129A CN201310400500.XA CN201310400500A CN104421129A CN 104421129 A CN104421129 A CN 104421129A CN 201310400500 A CN201310400500 A CN 201310400500A CN 104421129 A CN104421129 A CN 104421129A
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- refrigeration compressor
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Abstract
The embodiment of the invention provides a refrigeration compressor which has compact structure, large displacement, reliable performance, strong maintainability and high automation degree. The refrigeration compressor mainly comprises an inlet buffer, two compression main engines, an outlet gas-liquid separator, an electric control cabinet and two electrical motors, wherein the inlet buffer is connected with the outlet gas-liquid separator by the two compression main engines; the electric control cabinet is connected with the inlet buffer, the two compression main engines, the outlet gas-liquid separator and the two electrical motors respectively. Meanwhile, all the devices are fixed on a base plate in a skid-mounted manner.
Description
Technical field
The present invention relates to azeotrope compression, LNG Liquefied natural gas field, particularly relate to a kind of refrigeration compressor.
Background technique
Rock gas is the inflammable gas that natural opening extraction comes in gas field, and main component is made up of methane.LNG(Liquefied Natural Gas, LNG Liquefied natural gas) be cooled to-162 DEG C by the rock gas of gaseous state at ambient pressure, make it to condense into liquid.Can greatly save storage and transportation space and cost after natural gas liquefaction, and have that calorific value is large, performance high, in national economy, have very tempting using value, in the energy consumption structure of China, rapid development has vast potential for future development in recent years.Accumulating mobility strong after natural gas liquefaction, is conducive to storing and transporting, reduce carrying cost; Can be used as the fuel of refueling; Can be used as the peak load of urban pipe network air feed and the peak regulation of accident, alleviate the stress state of peak, the city energy; Can be used as the source of the gas of LNG community gasification; Constantly increase in energy demand, today that land resources is day by day in short supply, the development of the Minitype refrigeration compressor of integrated multifunction is extremely urgent.
At present more existing refrigeration compressors, but all there is complex structure, volume is large, refrigerating efficiency is low and the not easily shortcoming such as transport.Therefore design research and development compact structure, discharge capacity is large, and refrigerating efficiency is high, maintainability is strong, and the refrigeration compressor that automaticity is high is the core of miniature liquefaction plant.
Summary of the invention
The embodiment of the present invention provides a kind of refrigeration compressor, and compact structure, discharge capacity are large, reliable performance, maintainable strong and automaticity is high.
This refrigeration compressor comprises: import buffer, two compression main frames, liquid/gas separator of working off one's feeling vent one's spleen, electrical control cabinet and two motors; Wherein, described import buffer is connected with liquid/gas separator of working off one's feeling vent one's spleen by two compression main frames; Described electrical control cabinet and import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two motors are connected respectively; Meanwhile, the equal skid of above all devices is fixed on a chassis;
Wherein, described two compression main frames suck gas phase cryogen respectively by import buffer, after two compression main frame two stage compression, respectively mixing gas phase cryogen and liquid phase cryogen are imported again and to work off one's feeling vent one's spleen liquid/gas separator, export high pressure vapor cryogen wherein respectively by liquid/gas separator of working off one's feeling vent one's spleen and high pressure liquid phase cryogen uses equipment to rear end;
Wherein, described electrical control cabinet receives the feedback parameter of automatic instrument on import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two each valves of motor, and sends control command according to feedback parameter;
Wherein, described two motors provide power for described two compression main frames.
Wherein, described refrigeration compressor comprises further: instrument panel, and described instrument panel receives the feedback parameter of automatic instrument on import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two each valves of motor, and shows.
Wherein, described refrigeration compressor comprises further: cooling blower, and described cooling blower carries out air-cooled to whole refrigeration compressor.
Wherein, described refrigeration compressor comprises further: prying body, and described cooling blower is connected with prying body top board, and described import buffer, two compression main frames, liquid/gas separator of working off one's feeling vent one's spleen, two motors, electrical control cabinet skid are in prying body base plate.
Wherein, described import buffer comprises import knock out drum and inlet ductwork;
Described import knock out drum, by inlet ductwork access gas phase cryogen, carries out buffer storage.
Wherein, described import knock out drum is V-2205 knock out drum; And/or described inlet ductwork is E-2101 pipeline.
Wherein, described in, liquid/gas separator of working off one's feeling vent one's spleen comprises: inlet ductwork, knockout drum and shutdown recycling can, and three connects successively;
Described knockout drum, by described inlet ductwork access azeotrope after compression, carries out gas-liquid separation; Described shutdown recycling can reclaims cryogen after a shutdown.
Wherein, described knockout drum is V-2207 knockout drum.
Wherein, described compression main frame comprises: oil pump, lube oil cooler, crankcase, one-level gas exhaust piping, one-level cooler, secondary inlet pipeline and secondary coolers; Wherein, oil pump, lube oil cooler, crankcase are connected to each other; One-level gas exhaust piping, one-level cooler, secondary inlet pipeline are connected successively with secondary coolers;
Wherein, lubricant oil flows to crankcase after lube oil cooler cooling, then is sucked by oil pump and be discharged to lube oil cooler circulating cooling after compressing; Described one-level cooler and secondary coolers carry out one-level, two-stage compression respectively to gas phase cryogen.
Wherein, described two compression main frames are connected to described import buffer with parallel way and work off one's feeling vent one's spleen between liquid/gas separator.
Wherein, described two compression main frames are Knox Western Eagle2445 (4-T) type compressor; And/or,
Described motor is YB24506-6W type motor.
Wherein, described motor is connected with two compression main frames by the stacked coupling of MV-FLM8-1700.
The present invention, in structural design, have employed the layout of a sled two-shipper, and integrated import multicomponent cryogen supplements and outlet liquid phase cryogen cooling system, meets compact structure requirement; In maintainable, in the filter screen cleaning of automatic valve maintenance, piping filter, the replacing of lubricant oil filter and safety valve check etc., all can realize not shutdown operation.
Accompanying drawing explanation
Figure 1 shows that the structural representation of a kind of refrigeration compressor that the embodiment of the present invention provides.
Figure 2 shows that the structural representation of a kind of refrigeration compressor that another embodiment of the present invention provides.
Figure 3 shows that a kind of import buffer structure schematic diagram that another embodiment of the present invention provides.
Figure 4 shows that one that another embodiment of the present invention provides is worked off one's feeling vent one's spleen liquid/gas separator structural representation.
Figure 5 shows that the one compression main machine structure schematic diagram that another embodiment of the present invention provides.
Embodiment
Figure 1 shows that the structural representation of a kind of refrigeration compressor provided by the invention.As shown in Figure 1, the refrigeration compressor that this embodiment provides comprises: import buffer 1, compression main frame 2A, compression main frame 2B, liquid/gas separator 3 of working off one's feeling vent one's spleen, motor 4A, motor 4B and electrical control cabinet 5; Wherein, described import buffer 1 is connected with liquid/gas separator 3 of working off one's feeling vent one's spleen by compression main frame 2A, 2B; Described electrical control cabinet 5 with import buffer 1, compress main frame 2A, compress main frame 2B, liquid/gas separator 3 of working off one's feeling vent one's spleen, motor 4A, motor 4B be connected respectively; Meanwhile, the equal skid of above all devices is fixed on a chassis;
Wherein, described compression main frame 2A, 2B suck gas phase cryogen respectively by import buffer 1, after two stage compression, respectively mixing gas phase cryogen and liquid phase cryogen are imported again and to work off one's feeling vent one's spleen liquid/gas separator 3, export high pressure vapor cryogen wherein respectively by liquid/gas separator 3 of working off one's feeling vent one's spleen and high pressure liquid phase cryogen uses equipment to rear end;
Wherein, described electrical control cabinet 5 receives the feedback parameter of automatic instrument on import buffer 1, compression main frame 2A, compression main frame 2B, liquid/gas separator 3 of working off one's feeling vent one's spleen, motor 4A, each valve of motor 4B, and sends control command according to feedback parameter;
Wherein, described motor 4A, motor 4B are respectively described compression main frame 2A, compression main frame 2B provides power.
Wherein, described compression main frame 2A, 2B are connected to described import buffer 1 with parallel way symmetry and work off one's feeling vent one's spleen between liquid/gas separator 3.
" skid " that it will be understood by those skilled in the art that described in the embodiment of the present invention refers to and is integrated on a unsplit bedplate by functional unit, can integral installation, movement a kind of integration mode.Skid-mounted compact equipment, reduces than traditional mounting type and takes up an area.
In an embodiment of the present invention, the gas phase refrigerant pressure that described compression main frame 2A, 2B suck from import buffer 1 is 340KPaA, and the mixing gas phase cryogen after two stage compression and liquid phase refrigerant pressure are 2590KPaA.
In an embodiment of the present invention, described compression main frame 2A, 2B are Knox Western Eagle2445 (4-T) type compressor; Described motor is YB24506-6W type motor.Adopt Knox Western imported compressor can ensure huge discharge and reliability requirement.
In an embodiment of the present invention, described motor 4A, 4B are connected with compression main frame 2A, 2B by the stacked coupling of MV-FLM8-1700.
In an embodiment of the present invention, electrical control cabinet adopts PLC control and interlock with DCS, in order to realize compressor Automated condtrol and DCS remote monitoring function.
Figure 2 shows that the structural representation of a kind of refrigeration compressor that another embodiment of the present invention provides.As shown in Figure 2, the refrigeration compressor that this embodiment provides comprises further: instrument panel 6, cooling blower 7 and prying body 8;
Described instrument panel 6 receives the feedback parameter of automatic instrument on import buffer 1, compression main frame 2A, compression main frame 2B, liquid/gas separator 3 of working off one's feeling vent one's spleen, motor 4A, each valve of motor 4B, and shows.
Described cooling blower 7 carries out air-cooled to whole refrigeration compressor.
Described cooling blower 7 is connected with prying body 8 top board, and described import buffer, two compression main frames, liquid/gas separator of working off one's feeling vent one's spleen, two motors, electrical control cabinet skid are in prying body 8 base plate.
It will be understood by those skilled in the art that refrigeration compressor that certain embodiments of the invention provide can only comprise in instrument panel 6, cooling blower 7 and prying body 8 one or more.
Figure 3 shows that a kind of import buffer structure schematic diagram that another embodiment of the present invention provides.As shown in Figure 3, described import buffer comprises import knock out drum 11 and inlet ductwork 12, and import knock out drum 11 accesses gas phase cryogen by inlet ductwork 12, carries out buffer storage.
In an embodiment of the present invention, described import knock out drum is V-2205 knock out drum; Described inlet ductwork is E-2101 pipeline.
Figure 4 shows that one that another embodiment of the present invention provides is worked off one's feeling vent one's spleen liquid/gas separator structural representation.As shown in Figure 4, described in, liquid/gas separator of working off one's feeling vent one's spleen comprises: inlet ductwork 13, knockout drum 14 and shut down recycling can 15, and three connects successively;
Wherein, described knockout drum 14 accesses azeotrope after compression by described inlet ductwork 13, carries out gas-liquid separation; Described shutdown recycling can 15 reclaims cryogen after a shutdown.
In an embodiment of the present invention, described knockout drum is V-2207 knockout drum.
Figure 5 shows that the one compression main machine structure schematic diagram that another embodiment of the present invention provides, wherein enlarged view is by the structural representation of 2A7 covering part.As shown in Figure 5, described compression main frame comprises: oil pump 2A1, lube oil cooler 2A2, crankcase 2A3, one-level gas exhaust piping 2A4, one-level cooler 2A5, secondary inlet pipeline 2A6 and secondary coolers 2A7; Wherein, oil pump 2A1, lube oil cooler 2A2, crankcase 2A3 are connected to each other; One-level gas exhaust piping 2A4, one-level cooler 2A5, secondary inlet pipeline 2A6 are connected successively with secondary coolers 2A7;
Wherein, lubricant oil flows to crankcase 2A3 after lube oil cooler 2A2 cools, then is sucked by oil pump 2A1 and be discharged to lube oil cooler 2A2 circulating cooling after compressing; Described one-level cooler 2A5 and secondary coolers 2A7 carries out one-level, two-stage compression respectively to gas phase cryogen.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature, and not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a refrigeration compressor, is characterized in that, comprising: import buffer, two compression main frames, liquid/gas separator of working off one's feeling vent one's spleen, electrical control cabinet and two motors; Wherein, described import buffer is connected with liquid/gas separator of working off one's feeling vent one's spleen by two compression main frames; Described electrical control cabinet and import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two motors are connected respectively; Meanwhile, the equal skid of above all devices is fixed on a chassis;
Wherein, described two compression main frames suck gas phase cryogen respectively by import buffer, after two compression main frame two stage compression, respectively mixing gas phase cryogen and liquid phase cryogen are imported again and to work off one's feeling vent one's spleen liquid/gas separator, export high pressure vapor cryogen wherein respectively by liquid/gas separator of working off one's feeling vent one's spleen and high pressure liquid phase cryogen uses equipment to rear end;
Wherein, described electrical control cabinet receives the feedback parameter of automatic instrument on import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two each valves of motor, and sends control command according to feedback parameter;
Wherein, described two motors provide power for described two compression main frames.
2. refrigeration compressor according to claim 1, it is characterized in that, comprise further: instrument panel, described instrument panel receives the feedback parameter of automatic instrument on import buffer, two compression main frames, work off one's feeling vent one's spleen liquid/gas separator and two each valves of motor, and shows.
3. refrigeration compressor according to claim 1 and 2, is characterized in that, comprises further: cooling blower, and described cooling blower carries out air-cooled to whole refrigeration compressor.
4. refrigeration compressor according to claim 3, it is characterized in that, comprise further: prying body, described cooling blower is connected with prying body top board, and described import buffer, two compression main frames, liquid/gas separator of working off one's feeling vent one's spleen, two motors, electrical control cabinet skid are in prying body base plate.
5., according to the arbitrary described refrigeration compressor of claim 1 or 2, it is characterized in that, described import buffer comprises import knock out drum and inlet ductwork;
Wherein, import knock out drum, by inlet ductwork access gas phase cryogen, carries out buffer storage.
6. refrigeration compressor according to claim 5, is characterized in that, described import knock out drum is V-2205 knock out drum; And/or described inlet ductwork is E-2101 pipeline.
7., according to the arbitrary described refrigeration compressor of claim 1 or 2, it is characterized in that, described in liquid/gas separator of working off one's feeling vent one's spleen comprise: inlet ductwork, knockout drum and shutdown recycling can, and three connects successively;
Wherein, described knockout drum, by described inlet ductwork access azeotrope after compression, carries out gas-liquid separation; Described shutdown recycling can reclaims cryogen after a shutdown.
8. refrigeration compressor according to claim 7, is characterized in that, described knockout drum is V-2207 knockout drum.
9. refrigeration compressor according to claim 1 and 2, is characterized in that, described compression main frame comprises: oil pump, lube oil cooler, crankcase, one-level gas exhaust piping, one-level cooler, secondary inlet pipeline and secondary coolers; Wherein, oil pump, lube oil cooler, crankcase are connected to each other; One-level gas exhaust piping, one-level cooler, secondary inlet pipeline are connected successively with secondary coolers;
Wherein, lubricant oil flows to crankcase after lube oil cooler cooling, then is sucked by oil pump and be discharged to lube oil cooler circulating cooling after compressing; Described one-level cooler and secondary coolers carry out one-level, two-stage compression respectively to gas phase cryogen.
10. refrigeration compressor according to claim 1 and 2, is characterized in that, described two compression main frames are connected to described import buffer with parallel way and work off one's feeling vent one's spleen between liquid/gas separator.
11. refrigeration compressors according to claim 1, is characterized in that, described two compression main frames are Knox Western Eagle2445 (4-T) type compressor; And/or,
Described motor is YB24506-6W type motor.
12. refrigeration compressors according to claim 1, is characterized in that, described motor is connected with two compression main frames by the stacked coupling of MV-FLM8-1700.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400500.XA CN104421129A (en) | 2013-09-05 | 2013-09-05 | Refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400500.XA CN104421129A (en) | 2013-09-05 | 2013-09-05 | Refrigeration compressor |
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| CN104421129A true CN104421129A (en) | 2015-03-18 |
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| CN201310400500.XA Pending CN104421129A (en) | 2013-09-05 | 2013-09-05 | Refrigeration compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388726A (en) * | 2017-07-03 | 2017-11-24 | 黄泓博 | Prizing liquefied device |
| CN108361545A (en) * | 2018-01-11 | 2018-08-03 | 上海氢枫能源技术有限公司 | Hydrogen compressor skid hydrogenation plant |
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| CN202971120U (en) * | 2012-10-30 | 2013-06-05 | 北京复盛机械有限公司 | Prized screw air compressor equipment system |
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Patent Citations (6)
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| JP2009007971A (en) * | 2007-06-27 | 2009-01-15 | Hitachi Industrial Equipment Systems Co Ltd | Compressor and its control method |
| US20130104533A1 (en) * | 2009-06-29 | 2013-05-02 | Lightsail Energy Inc. | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
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| CN102032152A (en) * | 2010-12-15 | 2011-04-27 | 贾进东 | Steady operation device of air compressor |
| CN202971120U (en) * | 2012-10-30 | 2013-06-05 | 北京复盛机械有限公司 | Prized screw air compressor equipment system |
| CN203515992U (en) * | 2013-09-05 | 2014-04-02 | 天津凯德实业有限公司 | Refrigeration compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388726A (en) * | 2017-07-03 | 2017-11-24 | 黄泓博 | Prizing liquefied device |
| CN108361545A (en) * | 2018-01-11 | 2018-08-03 | 上海氢枫能源技术有限公司 | Hydrogen compressor skid hydrogenation plant |
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Application publication date: 20150318 |