CN214887719U - Oil circuit structure of compressor - Google Patents
Oil circuit structure of compressor Download PDFInfo
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- CN214887719U CN214887719U CN202121207898.1U CN202121207898U CN214887719U CN 214887719 U CN214887719 U CN 214887719U CN 202121207898 U CN202121207898 U CN 202121207898U CN 214887719 U CN214887719 U CN 214887719U
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Abstract
The utility model relates to a compressor technical field, concretely relates to compressor oil circuit structure, compressor oil circuit structure includes the compressor host computer, main oil circuit and inferior oil circuit, the input and the compression chamber of oil inflator are linked together, the output of oil inflator is linked together with the input of first temperature-sensing valve, the output of first temperature-sensing valve is linked together with oil cooler's input, oil cooler's output is linked together with oil filter's input, oil filter's output is linked together with the compression chamber, gear chamber and bearing chamber all are linked together with the input of oil tank, inferior oil circuit includes essential oil filter, the oil tank, bearing lubricating oil cooler, oil pump and second temperature-sensing valve, setting through above-mentioned structure, in order to reduce economic loss.
Description
Technical Field
The utility model relates to a compressor technical field especially relates to a compressor oil circuit structure.
Background
In a conventional oil-injected screw compressor, compressed gas is sucked into a compressor main body through a gas inlet, and is compressed and then discharged through a gas outlet. In the compression process, lubricating oil enters the compressor main machine through the conveying pipeline and fully contacts with compressed gas, the effects of reducing the temperature of a compression medium and sealing are achieved, and the bearing and the gear are lubricated simultaneously. Then, the lubricating oil is mixed with the compression medium, discharged from the main machine, filtered by the same filtering system and returned to the main machine of the compressor for reuse.
When the compression medium is special process gas, if the control of the previous process is in a problem, the lubricating oil is easily polluted and loses efficacy, and a bearing and a gear are damaged due to insufficient lubrication, so that a main machine is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compressor oil circuit structure independently sets up compression chamber lubricating oil into the main oil circuit, and bearing and gear lubricating oil set up to inferior oil circuit, and main oil circuit and inferior oil circuit are independent oil circuit, and two parts lubricating oil parts in the host computer, each other do not influence to reduce economic loss.
In order to achieve the purpose, the utility model provides a compressor oil circuit structure, which comprises a compressor main machine, a main oil circuit and a secondary oil circuit, wherein the compressor main machine comprises a compression cavity, a gear cavity and a bearing cavity;
the main oil path comprises an oil cooler, a first temperature control valve, an oil cylinder and an oil filter, wherein the input end of the oil cylinder is communicated with the compression cavity, the output end of the oil cylinder is communicated with the input end of the first temperature control valve, the output end of the first temperature control valve is communicated with the input end of the oil cooler, the output end of the oil cooler is communicated with the input end of the oil filter, and the output end of the oil filter is communicated with the compression cavity;
the secondary oil circuit comprises an essential oil filter, an oil tank, a bearing lubricating oil cooler, an oil pump and a second temperature control valve, the gear cavity and the bearing cavity are communicated with the input end of the oil tank, the output end of the oil tank is communicated with the input end of the oil pump, the output end of the oil pump is communicated with the input end of the second temperature control valve, the output end of the second temperature control valve is communicated with the input end of the bearing lubricating oil cooler, the output end of the bearing lubricating oil cooler is communicated with the input end of the essential oil filter, the output end of the essential oil filter is respectively communicated with the gear cavity and the bearing cavity, the main oil circuit recycles lubricating oil in the compression cavity, the secondary oil circuit recycles lubricating oil in the bearing cavity and the gear cavity, and the main oil circuit and the secondary oil circuit are not affected by each other, the bearing chamber with lubricating oil in the gear chamber is all the way, does not contact with compressed gas, mainly plays the effect of lubricated bearing and gear, lubricating oil in the compression chamber is all the way, contacts with compressed gas, mainly plays sealed, falls make an uproar, cools off compressed gas's effect, and two way lubricating oil also adopt two sets of independent systems in the outside cooling of host computer and filtration, even lubricating oil in the compression chamber is polluted and is become invalid, can not influence the lubrication of bearing and gear yet, only needs in time to change compression chamber lubricating oil, still can normal operating in the host computer short time to reduce economic loss.
The secondary oil way further comprises an overflow valve, and the overflow valve is arranged at the oil pump to protect the secondary oil way.
The oil way structure of the compressor further comprises an oil observation mirror, the oil observation mirror is fixedly installed outside the oil cylinder, the oil observation mirror is communicated with the oil cylinder, and the lubricating oil condition in the oil cylinder is convenient to observe.
The main oil way further comprises a safety valve, and two ends of the safety valve are respectively communicated with the oil cylinder and the compression cavity to protect the oil cylinder.
The compressor oil circuit structure further comprises an air inlet filter, the air inlet filter is fixedly connected with the compression cavity, and the air inlet filter is located at an air inlet of the compression cavity and prevents impurities from entering the compression cavity.
The main oil way further comprises an exhaust check valve, the exhaust check valve is arranged between the compression cavity and the oil cylinder, the input end of the exhaust check valve is communicated with the compression cavity, and the output end of the exhaust check valve is communicated with the oil cylinder to prevent gas backflow.
The oil way structure of the compressor further comprises an oil return pipe, and two ends of the oil return pipe are respectively communicated with the oil cylinder and the compression cavity, so that a small part of lubricating oil directly flows back into the compression cavity.
The oil path structure of the compressor further comprises a minimum pressure valve, and the minimum pressure valve is communicated with the oil cylinder to protect the oil cylinder.
The utility model discloses a compressor oil circuit structure, the main oil circuit is right lubricating oil in the compression chamber recycles, inferior oil circuit is right lubricating oil in bearing chamber and the gear chamber recycles, the main oil circuit with inferior oil circuit does not influence each other, the lubricating oil in bearing chamber and the gear chamber is one way, does not contact with compressed gas, mainly plays the effect of lubricated bearing and gear, lubricating oil in the compression chamber is one way, contacts with compressed gas, mainly plays sealed, the effect of making an uproar fall, the cooling of compressed gas, two ways of lubricating oil are in the cooling and the filtration of host computer outside also adopt two sets of independent systems, even lubricating oil in the compression chamber is polluted and became invalid, can not influence the lubrication of bearing and gear yet, only need in time change compression chamber lubricating oil, the host computer still can normally operate in the short time, thereby reducing economic losses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an oil path structure of a compressor according to the present invention.
1-compressor main machine, 2-compression cavity, 3-secondary oil path, 4-essential oil filter, 5-oil tank, 6-bearing lubricating oil cooler, 7-oil pump, 8-second temperature control valve, 9-oil cooler, 10-first temperature control valve, 11-oil cylinder, 12-oil filter, 13-main oil path, 14-bearing cavity, 15-gear cavity, 16-overflow valve, 17-oil sight glass, 18-safety valve, 19-air inlet filter, 20-exhaust check valve, 21-oil return pipe and 22-minimum pressure valve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the present invention provides a compressor oil path structure, which includes a compressor main body 1, a main oil path 13 and a secondary oil path 3, wherein the compressor main body 1 includes a compression cavity 2, a gear cavity 15 and a bearing cavity 14;
the main oil path 13 comprises an oil cooler 9, a first temperature control valve 10, an oil cylinder 11 and an oil filter 12, wherein the input end of the oil cylinder 11 is communicated with the compression cavity 2, the output end of the oil cylinder 11 is communicated with the input end of the first temperature control valve 10, the output end of the first temperature control valve 10 is communicated with the input end of the oil cooler 9, the output end of the oil cooler 9 is communicated with the input end of the oil filter 12, and the output end of the oil filter 12 is communicated with the compression cavity 2;
the secondary oil circuit 3 comprises an essential oil filter 124, an oil tank 5, a bearing lubricating oil cooler 96, an oil pump 7 and a second temperature control valve 8, the gear cavity 15 and the bearing cavity 14 are communicated with the input end of the oil tank 5, the output end of the oil tank 5 is communicated with the input end of the oil pump 7, the output end of the oil pump 7 is communicated with the input end of the second temperature control valve 8, the output end of the second temperature control valve 8 is communicated with the input end of the bearing lubricating oil cooler 96, the output end of the bearing lubricating oil cooler 96 is communicated with the input end of the essential oil filter 124, and the output end of the essential oil filter 124 is communicated with the gear cavity 15 and the bearing cavity 14 respectively.
In this embodiment, in the drawing, a is an oil inlet of the gear box, B is an oil inlet of the bearing, C is an exhaust port of the compression cavity 2, D is an oil return port of the bearing, E is an oil inlet of the interstage cooling, F is an oil return port of the bearing, G is an oil inlet of the compression cavity 2, H is an oil return port of the primary compression cavity 2, I is a cooling water inlet, J is a cooling water outlet, K is a bleed valve, L is an oil cut-off valve, M is a loading valve, N is an oil return port of the gear box, and P is a compressed gas inlet, the compression cavity 2, the gear cavity 15 and the bearing cavity 14 are respectively sealed by oil seals, so that the lubricating oil in each cavity is not communicated with each other, the oil tank 5 has a self-heating function and can supply a certain temperature to the lubricating oil, and compressed gas enters the compressor main machine 1 through the compressed gas inlet to mix the lubricating oil entering from the main oil path 13, the lubricating oil enters the oil cylinder 11 from the exhaust port of the compression chamber 2, the oil cylinder 11 separates the lubricating oil in the compressed gas, the lubricating oil flows to an interstage cooling oil inlet through the first temperature control valve 10, the oil cooler 9 and the oil filter 12 in sequence, and then returns to the compression chamber 2, and the lubricating oil flowing into the compression chamber 2 is recycled; lubricating oil in the gear cavity 15 flows out through an oil return opening of the gear box and flows into the oil tank 5, lubricating oil in the bearing cavity 14 flows out through an oil return opening of the bearing and flows into the oil tank 5, the lubricating oil flows into the second temperature control valve 8 through pressurization of the oil pump 7, enters the essential oil filter 124 after being adjusted to a proper temperature together with the bearing lubricating oil cooler 6, and finally enters the gear cavity 15 through an oil inlet of the gear box and enters the bearing cavity 14 through an oil inlet of the bearing respectively, so that recycling is realized. The oil circuit structure of the compressor is provided with the main oil circuit 13 and the secondary oil circuit 3, the main oil circuit 13 recycles lubricating oil in the compression cavity 2, the secondary oil circuit 3 recycles lubricating oil in the bearing cavity 14 and the gear cavity 15, the main oil circuit 13 and the secondary oil circuit 3 are not affected with each other, one path of lubricating oil in the bearing cavity 14 and the gear cavity 15 is not contacted with compressed gas and mainly plays a role in lubricating a bearing and a gear, one path of lubricating oil in the compression cavity 2 is contacted with the compressed gas and mainly plays a role in sealing, noise reduction and cooling of the compressed gas, two paths of lubricating oil are cooled and filtered outside a main machine by adopting two independent systems, even if the lubricating oil in the compression cavity 2 is polluted and fails, the lubrication of the bearing and the gear is not affected, and only the lubricating oil in the compression cavity 2 needs to be replaced in time, the main machine can still normally operate in a short time, thereby reducing economic loss.
Further, the secondary oil path 3 further includes an overflow valve 16, and the overflow valve 16 is disposed at the oil pump 7.
In the present embodiment, the relief valve 16 protects the secondary oil path 3, and when the system pressure exceeds a predetermined value, the valve is pushed open to discharge a part of the gas in the system to the atmosphere, so that the system pressure does not exceed an allowable value, thereby ensuring that the secondary oil path 3 does not have an accident due to an excessive pressure.
Further, the main oil path 13 further comprises a safety valve 18, and two ends of the safety valve 18 are respectively communicated with the oil cylinder 11 and the compression chamber 2;
the main oil path 13 further comprises an exhaust check valve 20, the exhaust check valve 20 is arranged between the compression cavity 2 and the oil cylinder 11, an input end of the exhaust check valve 20 is communicated with the compression cavity 2, and an output end of the exhaust check valve 20 is communicated with the oil cylinder 11.
In the present embodiment, the safety valve 18 is normally in a normally closed state, and when the pressure of the medium in the oil gas cylinder 11 rises above a prescribed value, the safety valve 18 valve opens to protect the oil gas cylinder 11 by discharging the medium to the outside of the system, and the gas discharge check valve 20 is provided between the compression chamber 2 and the oil gas cylinder 11, thereby preventing the gas discharged from the gas discharge port of the compression chamber 2 from flowing backward.
Further, the oil path structure of the compressor further comprises an oil viewing mirror 17, the oil viewing mirror 17 is fixedly installed outside the oil cylinder 11, and the oil viewing mirror 17 is communicated with the oil cylinder 11;
the compressor oil circuit structure further comprises an air inlet filter 19, the air inlet filter 19 is fixedly connected with the compression cavity 2, and the air inlet filter 19 is positioned at an air inlet of the compression cavity 2;
the oil path structure of the compressor further comprises an oil return pipe 21, and two ends of the oil return pipe 21 are respectively communicated with the oil cylinder 11 and the compression cavity 2;
the oil path structure of the compressor further includes a minimum pressure valve 22, and the minimum pressure valve 22 is in communication with the oil cylinder 11.
In this embodiment, oil sight glass 17 fixed mounting is in the outside of oil gas section of thick bamboo 11, in order to right the inside lubricating oil of oil gas section of thick bamboo 11 is observed, air intake filter 19 is used for filtering compressed gas, makes the entering compressed gas in the compression chamber 2 is comparatively pure, oil gas section of thick bamboo 11 with still pass through between the compression chamber 2 oil branch returns oil pipe 21 and is linked together, and compressed gas and lubricating oil process oil gas section of thick bamboo 11 separates the back, and less part passes through oil branch returns oil pipe 21 directly to in the compression chamber 2, minimum pressure valve 22 is right oil gas section of thick bamboo 11 cushions, prevents oil gas section of thick bamboo 11 before the separation with the big pressure differential that produces after the separation all add in order to cause the injury to the separation core on the separation core of oil gas section of thick bamboo 11.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A compressor oil path structure is characterized in that,
the oil way structure of the compressor comprises a compressor main machine, a main oil way and a secondary oil way, wherein the compressor main machine comprises a compression cavity, a gear cavity and a bearing cavity;
the main oil path comprises an oil cooler, a first temperature control valve, an oil cylinder and an oil filter, wherein the input end of the oil cylinder is communicated with the compression cavity, the output end of the oil cylinder is communicated with the input end of the first temperature control valve, the output end of the first temperature control valve is communicated with the input end of the oil cooler, the output end of the oil cooler is communicated with the input end of the oil filter, and the output end of the oil filter is communicated with the compression cavity;
the inferior oil circuit includes essential oil filter, oil tank, bearing lubricating oil cooler, oil pump and second temperature-sensing valve, the gear chamber with the bearing chamber all with the input of oil tank is linked together, the output of oil tank with the input of oil pump is linked together, the output of oil pump with the input of second temperature-sensing valve is linked together, the output of second temperature-sensing valve with the input of bearing lubricating oil cooler is linked together, the output of bearing lubricating oil cooler with the input of essential oil filter is linked together, the output of essential oil filter respectively with the gear chamber with the bearing chamber is linked together.
2. The oil path structure of compressor according to claim 1,
the secondary oil way further comprises an overflow valve, and the overflow valve is arranged at the oil pump.
3. The oil path structure of compressor according to claim 2,
the oil way structure of the compressor further comprises an oil sight glass which is fixedly arranged outside the oil cylinder, and the oil sight glass is communicated with the oil cylinder.
4. The oil path structure of compressor according to claim 3,
the main oil way also comprises a safety valve, and two ends of the safety valve are respectively communicated with the oil cylinder and the compression cavity.
5. The oil path structure of compressor according to claim 4,
the compressor oil circuit structure further comprises an air inlet filter, the air inlet filter is fixedly connected with the compression cavity, and the air inlet filter is located at an air inlet of the compression cavity.
6. The oil path structure of compressor according to claim 5,
the main oil way further comprises an exhaust check valve, the exhaust check valve is arranged between the compression cavity and the oil cylinder, the input end of the exhaust check valve is communicated with the compression cavity, and the output end of the exhaust check valve is communicated with the oil cylinder.
7. The oil path structure of compressor according to claim 6,
the oil way structure of the compressor further comprises an oil return pipe, and two ends of the oil return pipe are respectively communicated with the oil cylinder and the compression cavity.
8. The oil path structure of compressor according to claim 7,
the oil circuit structure of the compressor further comprises a minimum pressure valve, and the minimum pressure valve is communicated with the oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207898.1U CN214887719U (en) | 2021-06-01 | 2021-06-01 | Oil circuit structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207898.1U CN214887719U (en) | 2021-06-01 | 2021-06-01 | Oil circuit structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887719U true CN214887719U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207898.1U Active CN214887719U (en) | 2021-06-01 | 2021-06-01 | Oil circuit structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887719U (en) |
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2021
- 2021-06-01 CN CN202121207898.1U patent/CN214887719U/en active Active
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