CN114738279A - Double-stage compression main machine with interstage cooling device - Google Patents
Double-stage compression main machine with interstage cooling device Download PDFInfo
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- CN114738279A CN114738279A CN202210304866.6A CN202210304866A CN114738279A CN 114738279 A CN114738279 A CN 114738279A CN 202210304866 A CN202210304866 A CN 202210304866A CN 114738279 A CN114738279 A CN 114738279A
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- 230000006835 compression Effects 0.000 title claims abstract description 63
- 238000007906 compression Methods 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 238000009826 distribution Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 239000004533 oil dispersion Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a two-stage compression main engine with an interstage cooling device, which comprises a main engine cylinder body and a main engine cylinder cover fixedly arranged on the left side of the main engine cylinder body, wherein an air inlet is formed in the left side of the upper end of the main engine cylinder body, an air outlet is formed in the right side of the lower end of the main engine cylinder body, a front-stage compression cavity, an air transmission cavity and a rear-stage compression cavity are sequentially arranged in the main engine cylinder body from top to bottom, a transmission distribution cavity is arranged in the main engine cylinder cover, a front-stage screw rod is rotatably connected in the front-stage compression cavity, and a rear-stage screw rod is rotatably connected in the rear-stage compression cavity. According to the two-stage compression main machine with the interstage cooling device, the main machine cylinder body is processed through a casting process, the sealing performance is good, the manufacturing is more convenient, interstage cooling can be performed on compressed air in the compressor in a cooling oil circulation mode, the compression main machine can operate efficiently at a high compression ratio, and the two-stage compression main machine has a utilizable value in the technical field of compressor manufacturing.
Description
Technical Field
The invention relates to the technical field of compressor manufacturing, in particular to a two-stage compression main machine with an interstage cooling device.
Background
The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from a gas suction pipe, compresses the refrigerant gas through the operation of a motor, discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for refrigeration cycle, and is divided into a single-stage compression main machine and a two-stage compression main machine according to the number of compression cavities.
The main engine cylinder body of the existing double-stage compression main engine is assembled, the sealing between the components is insufficient, air leakage is easy to generate, the manufacturing process is also troublesome, meanwhile, the compression ratio of double-stage compression is improved, the heat of air compression can be synchronously promoted, high heat can cause negative effects on the air compression, the heat dissipation of the main engine cylinder body of the existing double-stage compression main engine is insufficient, and the operation of a compressor is not facilitated.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a two-stage compression main unit with an interstage cooling device.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a main machine cylinder body and a main machine cylinder cover fixedly arranged on the left side of the main machine cylinder body, wherein the left side of the upper end of the main machine cylinder body is provided with an air inlet, the right side of the lower end of the main machine cylinder body is provided with an air outlet, the interior of the main engine cylinder body is sequentially provided with a front stage compression cavity, an air transmission cavity and a rear stage compression cavity from top to bottom, a transmission distribution cavity is arranged in the main engine cylinder cover, a preceding stage screw rod is rotationally connected in the preceding stage compression cavity, the rear-stage compression cavity is rotatably connected with a rear-stage screw, the right side of the shell wall between the front-stage compression cavity and the air transmission cavity is provided with a first air transmission port, the left side of the shell wall between the air transmission cavity and the rear-stage compression cavity is provided with a second air transmission port, the air transmission cavity and the transmission distribution cavity are provided with cooling circulation modules, the screw compressor is used for circulating cooling of the working of the compression main machine, and the preceding-stage screw and the rear-stage screw are provided with linkage pieces and used for synchronous driving operation of the preceding-stage screw and the rear-stage screw.
Preferably, the cooling circulation module comprises an oil inlet cavity arranged in the middle of the left side of the main engine cylinder body, oil ports are arranged on the left side and the right side of the oil inlet cavity, the oil ports on the left side extend into the transmission distribution cavity, the oil ports on the right side extend into the air transmission cavity, a first oil outlet pipe is connected to the right end of the air transmission cavity through a pipeline, a second oil outlet pipe is connected to the lower end of the transmission distribution cavity through a pipeline, and the outer end of the first oil outlet pipe is connected with the outer end of the second oil outlet pipe and combined into a main oil outlet pipe.
Preferably, the linkage member includes a first gear fixedly connected to a left end of a preceding stage screw extending out of the main cylinder, and a third gear fixedly connected to a left end of a succeeding stage screw extending out of the main cylinder, a second gear is arranged between the first gear and the third gear, an upper side of the second gear is engaged with the first gear, a lower side of the second gear is engaged with the third gear, a left center of the second gear is fixedly connected with a main shaft, the main shaft is rotatably connected to the main cylinder cover, and a left end of the main shaft extends out of the main cylinder cover.
Preferably, the right side of the second gear is fixedly connected with an oil dispersion impeller, and the oil dispersion impeller faces the left oil port of the oil inlet cavity.
Preferably, a multi-zigzag copper pipe is connected between the right oil port of the oil inlet cavity and the first oil outlet pipe through a pipeline, and the multi-zigzag copper pipe is distributed in the air transmission cavity.
Preferably, an air filter plug is inserted into the air inlet for filtering air entering the compressor main body.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the integrated main engine cylinder body is arranged, and the main engine cylinder body is processed by adopting a casting process, so that the manufacturing is more convenient, all cavities of the main engine cylinder body are uniformly distributed, the sealing performance is good, and the air leakage is not easy to generate.
2. By arranging the cooling circulation module, cooling oil can be input through the oil inlet cavity, and the air compressed at the preceding stage and the linked gear set are efficiently cooled by utilizing the heat exchange of the cooling oil, so that the efficient operation of the compression main machine is ensured, the pressure of the compressed air at the preceding stage is effectively reduced, and the air compression ratio is improved.
3. The invention is provided with a linkage part, is connected with an external driving source through a main shaft, generally adopts a shaft coupling to lap the motor and the main shaft, drives the main shaft to rotate through the motor, leads the main shaft to control the rotation of the second gear to respectively drive the first gear and the second gear to rotate, and leads the front-stage screw rod and the rear-stage screw rod to synchronously operate to compress air.
4. According to the invention, by arranging the oil dispersing turbine wheel, the cooling oil released from the oil port on the left side can be uniformly distributed and dispersed in the linkage part through the rotating oil dispersing turbine wheel, so that the cooling efficiency of the linkage part is accelerated.
5. According to the invention, the multi-bending copper pipe is arranged, so that the high-efficiency heat conductivity of the copper pipe can be utilized, the cooling oil can be rapidly subjected to cold and heat exchange with hot air, the multi-bending structure is adopted, the heat conduction area of the copper pipe can be increased, the cold and heat exchange efficiency is increased, and the copper pipe can isolate oil gas to avoid oil gas mixing.
6. The air filter plug is arranged, so that air entering the compressor main machine can be filtered.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure of the main shaft of the present invention.
In the figure: 1. a rear stage compression chamber; 2. an exhaust port; 3. a rear stage screw; 4. a multi-zigzag copper tube; 5. a first oil outlet pipe; 6. an air transfer chamber; 7. a first gas transfer port; 8. a forward compression chamber; 9. a main engine cylinder body; 10. a preceding stage screw; 11. an air inlet; 12. an air filter plug; 13. a main engine cylinder cover; 14. a first gear; 15. a transmission distribution chamber; 16. a main shaft; 17. a dispersion oil turbine wheel; 18. a second gear; 19. an oil inlet cavity; 20. a third gear; 21. a second oil outlet pipe; 22. a second air delivery port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 2, the air-cooling device comprises a main engine cylinder 9 and a main engine cylinder cover 13 fixedly arranged on the left side of the main engine cylinder 9, wherein an air inlet 11 is arranged on the left side of the upper end of the main engine cylinder 9, an air outlet 2 is arranged on the right side of the lower end of the main engine cylinder 9, a front stage compression chamber 8, an air transmission chamber 6 and a rear stage compression chamber 1 are sequentially arranged in the main engine cylinder 9 from top to bottom, a transmission distribution chamber 15 is arranged in the main engine cylinder cover 13, a front stage screw 10 is rotationally connected in the front stage compression chamber 8, a rear stage screw 3 is rotationally connected in the rear stage compression chamber 1, a first air transmission port 7 is arranged on the right side of a casing wall between the front stage compression chamber 8 and the air transmission chamber 6, a second air transmission port 22 is arranged on the left side of a casing wall between the air transmission chamber 6 and the rear stage compression chamber 1, and the air transmission chamber 6 and the transmission distribution chamber 15 are provided with cooling circulation modules for circulating cooling of the operation of the compression main engine, the front-stage screw 10 and the rear-stage screw 3 are provided with linkage pieces for synchronous driving operation of the front-stage screw 10 and the rear-stage screw 3.
As a technical optimization scheme of the invention, the main engine cylinder body 9 is arranged in an integrated mode, and is processed by adopting a casting process, so that the manufacturing is more convenient, all cavities of the main engine cylinder body 9 are uniformly distributed, the sealing performance is good, and air leakage is not easy to generate.
Referring to fig. 1, the cooling cycle module is including setting up the oil feed chamber 19 in the middle part of the left side of host cylinder body 9, the oil feed chamber 19 left and right sides is equipped with the hydraulic fluid port, and transmission distribution chamber 15 is prolonged into to the hydraulic fluid port on left side, and the hydraulic fluid port on right side is prolonged into in the air transmission chamber 6, 6 right-hand member pipe connections in air transmission chamber have first oil pipe 5, transmission distribution chamber 15 lower extreme pipe connection has the second to go out oil pipe 21, and first oil pipe 5 outer end links to each other with the outer end that the second goes out oil pipe 21 and merges into total oil pipe.
As a technical optimization scheme of the invention, by arranging the cooling circulation module, cooling oil can be input through the oil inlet cavity 19, and the air compressed at the front stage and the linked gear set are efficiently cooled by utilizing the heat exchange of the cooling oil, so that the efficient operation of the compression main machine is ensured, the pressure of the compressed air at the front stage is effectively reduced, and the air compression ratio is improved.
Referring to fig. 1-2, the linkage includes fixed connection at the first gear 14 who extends to the outside preceding stage screw rod 10 left end tip of host computer cylinder body 9, and fixed connection at the third gear 20 who extends to the outside back stage screw rod 3 left end tip of host computer cylinder body 9, is provided with second gear 18 between first gear 14 and the third gear 20, first gear 14 is connected in the meshing of second gear 18 upside, third gear 20 is connected in the meshing of second gear 18 downside, the left side center fixedly connected with main shaft 16 of second gear 18, main shaft 16 rotate connect on host computer cylinder cap 13 and the left end tip extends to the outside of host computer cylinder cap 13.
As a technical optimization scheme of the invention, a linkage part is arranged, the spindle 16 is connected with an external driving source, a coupler is generally adopted to lap the motor and the spindle 16, the spindle 16 is driven to rotate by the motor, the spindle 16 controls the second gear 18 to rotate to respectively drive the first gear 14 and the second gear 18 to rotate, and the front-stage screw 10 and the rear-stage screw 3 synchronously operate to compress air.
Referring to fig. 1-2, an oil-dispersing turbine 17 is fixedly connected to the right side of the second gear 18, and the oil-dispersing turbine 17 faces the left oil port of the oil inlet chamber 19.
As a technical optimization scheme of the invention, by arranging the oil dispersing turbine wheel 17, the cooling oil released from the left oil port can be uniformly distributed and dispersed in the linkage part through the rotating oil dispersing turbine wheel 17, so that the cooling efficiency of the linkage part is accelerated.
Referring to fig. 1, a multi-bending copper pipe 4 is connected between the right oil port of the oil inlet cavity 19 and the first oil outlet pipe 5, and the multi-bending copper pipe 4 is distributed in the air transmission cavity 6.
As a technical optimization scheme of the invention, the multi-bending copper tube 4 is arranged, so that the high-efficiency heat conductivity of the copper tube can be utilized, the cooling oil can be rapidly exchanged with hot air, the multi-bending structure is adopted, the heat conduction area of the copper tube can be increased, the heat exchange efficiency is increased, and the copper tube can also isolate oil gas to avoid oil gas mixing.
Referring to fig. 1, an air filter plug 12 is embedded in an air inlet 11 for filtering air entering a compressor main body.
As a technical optimization scheme of the present invention, air entering the compressor main body can be filtered by providing the air filter plug 12.
The working principle and the using process of the invention are as follows: when the double-stage compression main machine with the interstage cooling device is used, the main shaft 16 is driven to rotate by the motor, air is input into the main machine cylinder body 9 through the air inlet 11, the air is filtered by the air filtering plug 12, the main shaft 16 drives the first gear 14 and the second gear 18 to rotate respectively by controlling the rotation of the second gear 18, so that the front-stage screw 10 and the rear-stage screw 3 synchronously operate, then the air firstly enters the front-stage compression cavity 8, is compressed by the front-stage screw 10 and enters the air transmission cavity 6 through the first air transmission port 7, meanwhile, cooling oil is input through the oil inlet cavity 19, the cooling oil respectively enters the air transmission cavity 6 and the transmission distribution cavity 15 through the left and right oil ports, the cooling oil released by the left oil port is uniformly distributed into the linkage piece through the rotating oil dispersing turbine impeller 17 to carry out transmission and heat dissipation, and the cold-heat exchange is carried out on the compressed air flowing in the air transmission cavity 6 through the zigzag copper pipe 4, the cooled air enters the rear stage compression cavity 1 through the second air delivery port 22 to be compressed again and discharged from the exhaust port 2, and the oil after absorbing heat flows out from the first oil outlet pipe 5 and the second oil outlet pipe 21 respectively, so that the working process of the double-stage compression main engine with the interstage cooling device is completed.
According to the two-stage compression main machine with the interstage cooling device, the main machine cylinder body is processed through a casting process, the sealing performance is good, the manufacturing is more convenient, interstage cooling can be performed on compressed air in the compressor in a cooling oil circulation mode, the compression main machine can operate efficiently at a high compression ratio, and the two-stage compression main machine has a utilizable value in the technical field of compressor manufacturing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a take interstage cooling device's doublestage compression host computer, includes host computer cylinder body (9) to and fixed host computer cylinder cap (13) of establishing in host computer cylinder body (9) left, host computer cylinder body (9) upper end left side is provided with air inlet (11), and host computer cylinder body (9) lower extreme right side is provided with gas vent (2), its characterized in that: the interior of the main engine cylinder body (9) is sequentially provided with a front stage compression cavity (8), an air transmission cavity (6) and a rear stage compression cavity (1) from top to bottom, a transmission distribution cavity (15) is arranged in the main engine cylinder cover (13), a preceding stage screw rod (10) is rotationally connected in the preceding stage compression cavity (8), the rear-stage compression cavity (1) is rotationally connected with a rear-stage screw rod (3), the right side of the shell wall between the front-stage compression cavity (8) and the air transmission cavity (6) is provided with a first air transmission port (7), the left side of the shell wall between the air transmission cavity (6) and the rear-stage compression cavity (1) is provided with a second air transmission port (22), the air transmission cavity (6) and the transmission distribution cavity (15) are provided with cooling circulation modules, used for the circulating cooling of the work of the compression main machine, the front-stage screw (10) and the rear-stage screw (3) are provided with linkage pieces, is used for synchronous driving operation of the front stage screw (10) and the rear stage screw (3).
2. A dual stage compression main unit with interstage cooling device as claimed in claim 1 wherein: the cooling circulation module is including setting up oil feed chamber (19) at host computer cylinder body (9) left side middle part, the oil feed chamber (19) left and right sides is equipped with the hydraulic fluid port, and transmission distribution chamber (15) are prolonged into to the left hydraulic fluid port, and the hydraulic fluid port on right side is prolonged into in air transmission chamber (6), air transmission chamber (6) right-hand member pipe connection has first oil pipe (5), transmission distribution chamber (15) lower extreme pipe connection has the second to go out oil pipe (21), and the outer end that first oil pipe (5) outer end and second go out oil pipe (21) links to each other and merges into total oil pipe.
3. A dual stage compression main unit with interstage cooling device as claimed in claim 2 wherein: linkage spare includes fixed connection and extends first gear (14) to host computer cylinder body (9) outside preceding stage screw rod (10) left end tip to and fixed connection is provided with second gear (18) between first gear (14) and third gear (20) extending to host computer cylinder body (9) outside third gear (20) of back stage screw rod (3) left end tip, first gear (14) are connected in second gear (18) upside meshing, third gear (20) are connected in second gear (18) downside meshing, the left side center fixedly connected with main shaft (16) of second gear (18), main shaft (16) rotate connect on host computer cylinder cap (13) and the left end tip extends to host computer cylinder cap (13) outside.
4. A dual stage compression main unit with interstage cooling device as claimed in claim 3 wherein: the right side of the second gear (18) is fixedly connected with an oil dispersion impeller (17), and the oil dispersion impeller (17) faces to a left oil port of the oil inlet cavity (19).
5. A dual stage compression main unit with interstage cooling device as claimed in claim 4 wherein: the pipeline connection has multiple tortuous copper pipe (4) between the right side hydraulic fluid port of oil inlet chamber (19) and first oil outlet pipe (5), and multiple tortuous copper pipe (4) distribute in air transmission chamber (6).
6. A dual stage compression main unit with interstage cooling device as claimed in claim 5 wherein: an air filtering plug (12) is embedded into the air inlet (11) and is used for filtering air entering the compressor main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304866.6A CN114738279A (en) | 2022-03-26 | 2022-03-26 | Double-stage compression main machine with interstage cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304866.6A CN114738279A (en) | 2022-03-26 | 2022-03-26 | Double-stage compression main machine with interstage cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114738279A true CN114738279A (en) | 2022-07-12 |
Family
ID=82277877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210304866.6A Pending CN114738279A (en) | 2022-03-26 | 2022-03-26 | Double-stage compression main machine with interstage cooling device |
Country Status (1)
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| CN (1) | CN114738279A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116489A (en) * | 1997-06-17 | 1999-01-12 | Hitachi Ltd | Oil supply type multistage screw compressor |
| CN207033737U (en) * | 2017-02-23 | 2018-02-23 | 广州格雷康机械设备有限公司 | Two-stage Compression head |
| US20180238329A1 (en) * | 2015-02-25 | 2018-08-23 | Hitachi Industrial Equipment Systems Co., Ltd. | Oilless Compressor |
| CN208040700U (en) * | 2018-03-14 | 2018-11-02 | 杭州久益机械股份有限公司 | A kind of two-stage screw compressor |
| CN109139467A (en) * | 2018-09-13 | 2019-01-04 | 镇江华印电路板有限公司 | A kind of efficient two stages of compression air compressor host |
| US20190203712A1 (en) * | 2016-09-21 | 2019-07-04 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | System for an Utility Vehicle Comprising a Screw Compressor and an Electric Motor |
| CN212838339U (en) * | 2020-06-10 | 2021-03-30 | 德耐尔能源装备有限公司 | Movable motor-driven two-stage compression oil injection screw air compressor |
| CN113864188A (en) * | 2021-07-23 | 2021-12-31 | 西安交通大学 | Two-stage screw air compressor oil return device and method for reducing oil stirring loss |
-
2022
- 2022-03-26 CN CN202210304866.6A patent/CN114738279A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116489A (en) * | 1997-06-17 | 1999-01-12 | Hitachi Ltd | Oil supply type multistage screw compressor |
| US20180238329A1 (en) * | 2015-02-25 | 2018-08-23 | Hitachi Industrial Equipment Systems Co., Ltd. | Oilless Compressor |
| US20190203712A1 (en) * | 2016-09-21 | 2019-07-04 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | System for an Utility Vehicle Comprising a Screw Compressor and an Electric Motor |
| CN207033737U (en) * | 2017-02-23 | 2018-02-23 | 广州格雷康机械设备有限公司 | Two-stage Compression head |
| CN208040700U (en) * | 2018-03-14 | 2018-11-02 | 杭州久益机械股份有限公司 | A kind of two-stage screw compressor |
| CN109139467A (en) * | 2018-09-13 | 2019-01-04 | 镇江华印电路板有限公司 | A kind of efficient two stages of compression air compressor host |
| CN212838339U (en) * | 2020-06-10 | 2021-03-30 | 德耐尔能源装备有限公司 | Movable motor-driven two-stage compression oil injection screw air compressor |
| CN113864188A (en) * | 2021-07-23 | 2021-12-31 | 西安交通大学 | Two-stage screw air compressor oil return device and method for reducing oil stirring loss |
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