CN113550887A - Gas compressor with high safety - Google Patents
Gas compressor with high safety Download PDFInfo
- Publication number
- CN113550887A CN113550887A CN202110889355.0A CN202110889355A CN113550887A CN 113550887 A CN113550887 A CN 113550887A CN 202110889355 A CN202110889355 A CN 202110889355A CN 113550887 A CN113550887 A CN 113550887A
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- Prior art keywords
- pipe
- gas compressor
- gas
- cooling
- compressor body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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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 high-safety gas compressor, which belongs to the field of gas compressors and comprises a gas compressor body, wherein a protective cover is sleeved on the gas compressor body, two cooling pipes are integrally formed at the top of the protective cover, connecting pipes are arranged on the inner sides of the two cooling pipes, the bottoms of the two connecting pipes penetrate through and extend into the protective cover, the two connecting pipes are connected with the gas compressor body, and the tops of the two connecting pipes are fixedly connected with a gas inlet pipe and a gas outlet pipe through flanges. According to the invention, the air inlet pipe and the air outlet pipe are fixed, so that the connection stability of the air inlet pipe, the air outlet pipe and the connecting pipe is ensured, the gas leakage or explosion hazard degree is avoided, the safety of the gas compressor body in use is improved, and potential safety hazards and environmental pollution caused by accidents in the process of compressing harmful gas are avoided.
Description
Technical Field
The invention relates to the field of gas compressors, in particular to a gas compressor with high safety.
Background
The gas compressor is a power device for converting mechanical energy into gas pressure energy, is commonly used for providing gas power for pneumatic tools, and is also commonly used for pressurizing and delivering media such as oxygen, hydrogen, ammonia, natural gas, coke oven gas, inert gas and the like in the industries such as petrochemical industry, drilling and production, metallurgy and the like, and the safety of the gas compressor is paid great attention to.
Most of the existing gas compressors are designed aiming at the internal structures of the existing gas compressors so as to improve the compression efficiency and the explosion-proof capacity, the external safety protection measures are poor, the use safety is low, the potential hazards can be caused to the health and the environment of workers by not properly protecting when harmful gas is compressed, and particularly, the requirements on the connection stability of a pipe orifice and the leakage-proof cooling work cannot be met, so that the gas compressor with high safety is provided to solve the problems.
Disclosure of Invention
In view of the problems associated with the prior art, it is an object of the present invention to provide a gas compressor having high safety.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a high gas compressor of security, includes the gas compressor body, the protection casing has been cup jointed on the gas compressor body, the top integrated into one piece of protection casing has two cooling tubes, two the inboard of cooling tube all is provided with the connecting pipe, two the bottom of connecting pipe all runs through and extends to the inside of protection casing, two the connecting pipe all is connected with this body coupling of gas compressor, two fixedly connected with intake pipe and outlet duct respectively are passed through to the top of connecting pipe, the cooling tube has been cup jointed on intake pipe and the outlet duct, alternate on the cooling tube and be the restriction stick of sealed processing cross arrangement, the outside and the cooling tube contact of restriction stick, the top of cooling tube contacts with the interior roof of cooling tube.
As a further description of the above technical solution:
the protection casing includes outer protection casing and interior buffer layer, the inboard of gas compressor body and with the inboard of interior buffer layer, integrated into one piece has evenly distributed's bracing piece between outer protection casing and the interior buffer layer, set up the pressure release hole all with the distribution on the interior buffer layer.
As a further description of the above technical solution:
two integrated into one piece has the communicating pipe that is linked together between the cooling pipe, two homogeneous body shaping has the liquid pipe rather than being linked together on the cooling pipe.
As a further description of the above technical solution:
the bottom of the left side and the bottom of the right side of the outer protective cover are both integrally formed with circulating pipes communicated with the inside of the outer protective cover.
As a further description of the above technical solution:
and the two connecting pipes are provided with electromagnetic valves.
As a further description of the above technical solution:
two the cooling pipe all contains the sleeve pipe, sheathed tube bottom and protection casing integrated into one piece, sheathed tube top threaded connection has the apron, the top and the apron fixed connection of cooling tube.
As a further description of the above technical solution:
the inner side of the radiating pipe is integrally formed with clamping rings which are uniformly distributed, and the clamping rings are respectively in close contact with the air inlet pipe and the air outlet pipe.
As a further description of the above technical solution:
the right side of protection casing passes through bolt fixedly connected with working bin, gas compressor body right side runs through the protection casing and extends to working bin's inboard.
As a further description of the above technical solution:
the inside top reservation of cooling tube has the collection chamber, it is located the bottom of collecting the chamber to lead to the liquid pipe, the interior roof fixed mounting of cooling tube has gas detector, gas detector signal connection has the alarm, two integrated into one piece is rather than the blast pipe that is linked together on the cooling tube.
Compared with the prior art, the invention has the advantages that:
(1) this scheme, utilize the connecting pipe to extend to the outside of protection casing through the air inlet with the gas outlet of gas compressor body, after outside air supply and collection tank pass through intake pipe and outlet duct and are connected with the connecting pipe, the utilization is tentatively fixed, then through installing the cooling tube back on intake pipe and outlet duct, insert the removal of restriction stick restriction cooling tube, thereby further fixed intake pipe and outlet duct, guarantee the stability that intake pipe and outlet duct and connecting pipe are connected.
(2) This scheme, through filling cooling fluid to the inside of cooling tube and protection casing to gas around the compression cools down in advance and cooling heat transfer ability, avoids appearing adiabatic reaction and leads to the probability of gas compressor body explosion, utilizes the protection casing to keep apart the gas compressor body simultaneously, avoids the harm degree of gas leakage or explosion, the security when improving the gas compressor body and using, it causes potential safety hazard and environmental pollution to take place the accident when avoiding compressing harmful gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the heat pipe of the present invention;
fig. 4 is a schematic diagram of the application structure of the present invention.
The reference numbers in the figures illustrate:
1. a gas compressor body; 2. a protective cover; 21. an outer shield; 22. an inner buffer layer; 23. a support bar; 24. a pressure relief vent; 3. a cooling pipe; 31. a sleeve; 32. a cover plate; 4. a connecting pipe; 5. an air inlet pipe; 6. an air outlet pipe; 7. a radiating pipe; 71. a clamping ring; 8. a restraining bar; 9. a communicating pipe; 10. a liquid pipe is communicated; 11. a circulation pipe; 12. an exhaust pipe; 13. an electromagnetic valve; 14. a working bin; 15. a gas detector; 16. an alarm.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
referring to fig. 1 to 4, in the present invention, a gas compressor with high safety includes a gas compressor body 1, a protective cover 2 is sleeved on the gas compressor body 1, two cooling pipes 3 are integrally formed on the top of the protective cover 2, connecting pipes 4 are respectively disposed on the inner sides of the two cooling pipes 3, the bottoms of the two connecting pipes 4 are both penetrated and extended into the protective cover 2, the two connecting pipes 4 are both connected with the gas compressor body 1, the tops of the two connecting pipes 4 are respectively and fixedly connected with an air inlet pipe 5 and an air outlet pipe 6 through flanges, a heat dissipation pipe 7 is sleeved on the air inlet pipe 5 and the air outlet pipe 6, a restriction rod 8 is inserted into the cooling pipe 3 and is crosswise disposed in a sealing manner, the outer side of the restriction rod 8 is in contact with the heat dissipation pipe 7, and the top of the heat dissipation pipe 7 is in contact with the inner top wall of the cooling pipe 3.
In the invention, the gas inlet and the gas outlet of the gas compressor body 1 extend to the outer side of the protective cover 2 by using the connecting pipe 4, after an external gas source and a collecting tank are connected with the connecting pipe 4 by the gas inlet pipe 5 and the gas outlet pipe 6, the gas compressor is primarily fixed, then after the radiating pipe 7 is arranged on the gas inlet pipe 5 and the gas outlet pipe 6, the movement of the radiating pipe 7 is limited by inserting the limiting rod 8, the penetrating part of the limiting rod 8 and the cooling pipe 3 is sealed, thereby further fixing the gas inlet pipe 5 and the gas outlet pipe 6, ensuring the stability of the connection of the gas inlet pipe 5 and the gas outlet pipe 6 with the connecting pipe 4, and the gas before and after compression is pre-cooled and cooled by filling cooling oil liquid into the cooling pipe 3 and the protective cover 2, thereby avoiding the probability of explosion of the gas compressor body 1 caused by adiabatic reaction, and simultaneously isolating the gas compressor body 1 by using the protective cover 2, the gas compressor has the advantages that the gas leakage or explosion hazard degree is avoided, the safety of the gas compressor body 1 in use is improved, and potential safety hazards and environmental pollution caused by accidents when harmful gas is compressed are avoided.
Please refer to fig. 1, in which: the protection casing 2 includes outer protection casing 21 and interior buffer layer 22, the inboard of gas compressor body 1 and with the inboard of interior buffer layer 22, integrated into one piece has evenly distributed's bracing piece 23 between outer protection casing 21 and the interior buffer layer 22, offer on the interior buffer layer 22 all with the pressure release hole 24 that distributes.
In the invention, the outer protective cover 21 forms a protective layer, when gas leaks and erupts in the gas compressor body 1, the inner buffer layer 22 connected with the support rod 23 is used for buffering the impact force of the gas, and the gas is led into the gas compressor body 1 through the pressure relief hole 24, so that the impact force of explosion is reduced, and the gas is collected to avoid potential safety hazard caused by leakage or environmental pollution.
Please refer to fig. 1 and fig. 2, wherein: a communicating pipe 9 communicated with each other is integrally formed between the two cooling pipes 3, and a liquid communicating pipe 10 communicated with the two cooling pipes 3 is integrally formed on each of the two cooling pipes 3.
In the invention, the liquid-passing pipe 10 is externally connected with a cooling oil circulating system, so that low-temperature cooling oil continuously passes through the cooling pipe 3 to cool the gas in the gas inlet pipe 5 and the gas outlet pipe 6, thereby reducing the possibility of explosion and facilitating the compression work of the gas compressor body 1 on the gas.
Please refer to fig. 1, in which: the bottom parts of the left side and the right side of the outer protective cover 21 are all integrally formed with circulating pipes 11 communicated with the inside of the outer protective cover.
According to the invention, the circulating pipe 11 is externally connected with a cooling oil circulating system, and cooling oil is conveyed into the outer protective cover 21 to be contacted with the gas compressor body 1, so that heat exchange is conveniently carried out when the gas compressor body 1 works, the gas compression is prevented from being influenced by overhigh temperature of the gas compressor body 1, meanwhile, the burst probability caused by overhigh temperature of the gas compressor body 1 is reduced, the use is safer, the gas is floated and filled in the inner part of the protective cover 2 under the influence of the cooling oil after being leaked, time is provided for workers to close the opening of the circulating pipe 11, and the leakage of harmful gas is avoided.
Please refer to fig. 1 and fig. 2, wherein: solenoid valves 13 are mounted on both connecting pipes 4.
In the invention, the electromagnetic valve 13 is convenient for a user to control the communication state of the air inlet pipe 5, the air outlet pipe 6 and the gas compressor body 1, and the air inlet pipe can be closed after the gas compressor body 1 breaks down, thereby being convenient for the adjustment of workers.
Please refer to fig. 1 and fig. 2, wherein: two cooling tubes 3 all contain sleeve pipe 31, sleeve pipe 31's bottom and protection casing 2 integrated into one piece, and sleeve pipe 31's top threaded connection has apron 32, the top and the apron 32 fixed connection of cooling tube 7.
In the invention, the sleeve 31 is convenient for cooling oil to circularly cool, and the limiting rod 8 and the radiating pipe 7 at the bottom of the cover plate 32 can be matched to limit the air inlet pipe 5 and the air outlet pipe 6, so that the installation stability of the air inlet pipe 5 and the air outlet pipe 6 is improved, and the joint of the air inlet pipe 5, the air outlet pipe 6 and the connecting pipe 4 is protected.
Please refer to fig. 3, in which: the inner side of the radiating pipe 7 is integrally formed with clamping rings 71 which are uniformly distributed, and the clamping rings 71 are respectively in close contact with the air inlet pipe 5 and the air outlet pipe 6.
In the invention, the connection stability of the radiating pipe 7 and the air inlet pipe 5 and the air outlet pipe 6 is improved through the clamping ring 71, when the internal high pressure of the air inlet pipe 5 and the air outlet pipe 6 is realized, the clamping ring 71 is matched to clamp the air inlet pipe 5 and the air outlet pipe 6 tightly, so that the air inlet pipe 5 and the air outlet pipe 6 are indirectly fixed after the clamping ring 71 is fixed, and meanwhile, the internal parts of the air inlet pipe 5 and the air outlet pipe 6 extrude the inner walls of the air inlet pipe 5 and the air outlet pipe 6 through the pressure expansion of air, so that the attaching degree of the air inlet pipe 5 and the air outlet pipe 6 with the fixed clamping ring 71 is further improved, the friction force is improved, and the stability is improved.
Please refer to fig. 1, in which: the right side of protection casing 2 passes through bolt fixedly connected with working bin 14, and gas compressor body 1 right side runs through protection casing 2 and extends to the inboard of working bin 14.
In the invention, the working bin 14 can protect the motor attached to the gas compressor body 1, and meanwhile, gas is prevented from leaking from the motor, so that the air-tightness is stronger.
Please refer to fig. 1-4, wherein: the inside top reservation of cooling tube 3 has the collection chamber, leads to liquid pipe 10 and is located the bottom of collecting the chamber, and the interior roof fixed mounting of cooling tube 3 has gas detector 15, and gas detector 15 signal connection has alarm 16, and integrated into one piece is rather than blast pipe 12 that is linked together on two cooling tubes 3.
In the invention, if the joints of the two connecting pipes 4 with the air inlet pipe 5 and the air outlet pipe 6 respectively leak, the density of the gas is less than that of the cooling oil liquid, so that the leaked gas floats to the top of the cooling pipe 3, when the gas detector 15 detects the leaked gas, the alarm 16 gives an alarm to remind a worker of leaking information so as to facilitate the worker to adjust in time, and the leaked gas is conveniently collected through the exhaust pipe 12.
The working principle is as follows: the air inlet and the air outlet of the gas compressor body 1 extend to the outer side of the protective cover 2 by using the connecting pipe 4, after an external air source and a collecting tank are connected with the connecting pipe 4 and the air outlet pipe 6 through the air inlet pipe 5, the flange is used for preliminary fixing, then after the radiating pipe 7 is arranged on the air inlet pipe 5 and the air outlet pipe 6, the up-and-down movement of the radiating pipe 7 is limited by inserting the limiting rod 8, the inner parts of the air inlet pipe 5 and the air outlet pipe 6 extrude the inner walls of the air inlet pipe 5 and the air outlet pipe 6 through the pressure expansion of gas, so that the attaching degree of the air inlet pipe 5, the air outlet pipe 6 and the fixed clamping ring 71 is further improved, the friction force is improved, the air inlet pipe 5 and the air outlet pipe 6 are further fixed, the stability of connection between the air inlet pipe 5 and the air outlet pipe 6 and the connecting pipe 4 is ensured, the gas enters the inside of the gas compressor body 1 through the air inlet pipe 5, is compressed from left to right and then passes through the air outlet pipe 6, cooling oil is respectively filled into the cooling pipe 3 and the protective cover 2 through the liquid through pipe 10 and the circulating pipe 11 on the left side, the temperature of the gas passing through the gas compressor body 1, the gas inlet pipe 5 and the gas outlet pipe 6 is reduced, thereby carrying out pre-cooling and cooling heat exchange on the gas before and after compression, avoiding the probability of explosion of the gas compressor body 1 caused by adiabatic reaction, leading the cooling oil liquid after heat exchange to flow back to the cooling oil liquid circulating system again through the liquid through pipe 10 and the circulating pipe 11 on the right side for heat dissipation and cooling, utilizing the two electromagnetic valves 13 to control the communication positions of the two connecting pipes 4 with the gas inlet pipe 5 and the gas outlet pipe 6 respectively, utilize protection casing 2 to keep apart gas compressor body 1 simultaneously, avoid the gas leakage or the harm degree of explosion, security when improving gas compressor body 1 and using, accident when avoiding compressing harmful gas causes potential safety hazard and environmental pollution.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a high gas compressor of security, includes gas compressor body (1), its characterized in that: the gas compressor is characterized in that the gas compressor body (1) is sleeved with the protective cover (2), the top of the protective cover (2) is integrally formed with two cooling pipes (3), the inner sides of the two cooling pipes (3) are provided with connecting pipes (4), the bottoms of the two connecting pipes (4) penetrate through and extend into the protective cover (2), the two connecting pipes (4) are connected with the gas compressor body (1), the tops of the two connecting pipes (4) are respectively and fixedly connected with an air inlet pipe (5) and an air outlet pipe (6) through flanges, the air inlet pipe (5) and the air outlet pipe (6) are sleeved with a radiating pipe (7), limiting rods (8) which are crossed and sealed are inserted into the cooling pipe (3), the outside of restriction stick (8) contacts with cooling tube (7), the top of cooling tube (7) contacts with the interior roof of cooling tube (3).
2. A gas compressor with high safety according to claim 1, wherein: protection casing (2) include outer protection casing (21) and interior buffer layer (22), the inboard of gas compressor body (1) and with the inboard of interior buffer layer (22), integrated into one piece has evenly distributed's bracing piece (23) between outer protection casing (21) and interior buffer layer (22), set up pressure release hole (24) all with the distribution on interior buffer layer (22).
3. A gas compressor with high safety according to claim 1, wherein: two integrated into one piece has communicating pipe (9) that are linked together between cooling pipe (3), two integrated into one piece has liquid pipe (10) rather than being linked together on cooling pipe (3).
4. A gas compressor with high safety according to claim 1, wherein: the bottom parts of the left side and the right side of the outer protective cover (21) are integrally formed with circulating pipes (11) communicated with the inside of the outer protective cover.
5. A gas compressor with high safety according to claim 1, wherein: and the two connecting pipes (4) are provided with electromagnetic valves (13).
6. A gas compressor with high safety according to claim 1, wherein: two cooling tube (3) all contain sleeve pipe (31), the bottom and protection casing (2) integrated into one piece of sleeve pipe (31), the top threaded connection of sleeve pipe (31) has apron (32), the top and apron (32) fixed connection of cooling tube (7).
7. A gas compressor with high safety according to claim 1, wherein: the inner side of the radiating pipe (7) is integrally formed with clamping rings (71) which are uniformly distributed, and the clamping rings (71) are respectively in close contact with the air inlet pipe (5) and the air outlet pipe (6).
8. A gas compressor with high safety according to claim 1, wherein: the right side of protection casing (2) passes through bolt fixedly connected with working bin (14), gas compressor body (1) right side runs through protection casing (2) and extends to the inboard of working bin (14).
9. A gas compressor with high safety according to claim 3, wherein: the inside top reservation of cooling tube (3) has the collection chamber, it is located the bottom of collecting the chamber to lead to liquid pipe (10), the interior roof fixed mounting of cooling tube (3) has gas detector (15), gas detector (15) signal connection has alarm (16), two integrated into one piece is rather than blast pipe (12) that are linked together on cooling tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889355.0A CN113550887A (en) | 2021-08-04 | 2021-08-04 | Gas compressor with high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889355.0A CN113550887A (en) | 2021-08-04 | 2021-08-04 | Gas compressor with high safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113550887A true CN113550887A (en) | 2021-10-26 |
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ID=78105231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110889355.0A Pending CN113550887A (en) | 2021-08-04 | 2021-08-04 | Gas compressor with high safety |
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| Country | Link |
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| CN (1) | CN113550887A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205478207U (en) * | 2016-03-03 | 2016-08-17 | 东莞市陆陇实业有限公司 | Fast cold charge of gas compression is put |
| CN106801664A (en) * | 2016-12-23 | 2017-06-06 | 无锡五洋赛德压缩机有限公司 | A kind of compressor |
| CN208057350U (en) * | 2018-01-12 | 2018-11-06 | 盐城市国力空压机制造厂 | A kind of air compressor machine with high-efficient radiating function |
| EP3611738A1 (en) * | 2018-08-14 | 2020-02-19 | Gebauer & Griller Kabelwerke Gesellschaft m.b.H. | Cooling cuff for energy conduits |
| CN212079458U (en) * | 2019-12-03 | 2020-12-04 | 扬州亿成电光源有限公司 | Super-silent diesel generating set noise elimination mechanism |
| CN112502940A (en) * | 2020-11-26 | 2021-03-16 | 蚌埠奥特压缩机有限公司 | Noise reduction type gas compressor |
| CN112524057A (en) * | 2020-12-01 | 2021-03-19 | 蚌埠奥特压缩机有限公司 | High explosion-proof type gas compressor of security |
-
2021
- 2021-08-04 CN CN202110889355.0A patent/CN113550887A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205478207U (en) * | 2016-03-03 | 2016-08-17 | 东莞市陆陇实业有限公司 | Fast cold charge of gas compression is put |
| CN106801664A (en) * | 2016-12-23 | 2017-06-06 | 无锡五洋赛德压缩机有限公司 | A kind of compressor |
| CN208057350U (en) * | 2018-01-12 | 2018-11-06 | 盐城市国力空压机制造厂 | A kind of air compressor machine with high-efficient radiating function |
| EP3611738A1 (en) * | 2018-08-14 | 2020-02-19 | Gebauer & Griller Kabelwerke Gesellschaft m.b.H. | Cooling cuff for energy conduits |
| CN212079458U (en) * | 2019-12-03 | 2020-12-04 | 扬州亿成电光源有限公司 | Super-silent diesel generating set noise elimination mechanism |
| CN112502940A (en) * | 2020-11-26 | 2021-03-16 | 蚌埠奥特压缩机有限公司 | Noise reduction type gas compressor |
| CN112524057A (en) * | 2020-12-01 | 2021-03-19 | 蚌埠奥特压缩机有限公司 | High explosion-proof type gas compressor of security |
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Application publication date: 20211026 |
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