CN217129801U - Oil gas cylinder and air compressor with same - Google Patents
Oil gas cylinder and air compressor with same Download PDFInfo
- Publication number
- CN217129801U CN217129801U CN202121743655.XU CN202121743655U CN217129801U CN 217129801 U CN217129801 U CN 217129801U CN 202121743655 U CN202121743655 U CN 202121743655U CN 217129801 U CN217129801 U CN 217129801U
- Authority
- CN
- China
- Prior art keywords
- oil
- air compressor
- pipe
- compression
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to an air compression technical field especially relates to an oil gas cylinder of usefulness and be equipped with the air compressor machine of this oil gas cylinder is separated to the oil-gas mixture of compression host output. For improving the compression efficiency of air compressor machine in low temperature environment, reduce the maintenance cost of air compressor machine, the utility model provides an oil gas cylinder, this oil gas cylinder include the urceolus, are provided with oil fine separator and heater in this urceolus, the heater is located oil fine separator's below is close to the bottom of urceolus. In low temperature environment, the utility model discloses the usable heater of oil gas section of thick bamboo improves the mobility of lubricating oil to the lubricating oil heating of oil gas bobbin base portion, makes lubricating oil can pour into the compression host computer into through the system's pipeline fast, cools off, lubricates and falls and make an uproar to improve the compression efficiency of compression host computer, avoid the rotor dry grinding among the compression host computer impaired, and then improve the compression efficiency of air compressor machine in low temperature environment, reduce the maintenance cost of air compressor machine.
Description
Technical Field
The utility model relates to an air compression technical field especially relates to an oil gas cylinder of usefulness and the air compressor machine that is equipped with this oil gas cylinder are separated to the oil-gas mixture of compression host output.
Background
With the continuous development of economy, the use of air compressors is also more and more extensive. At present, the common air compressors on the market are mostly oil injection screw air compressors, and because the compression host machine in the oil injection screw air compressors utilizes two mutually meshed rotors to rotate compressed air, a large amount of heat can be generated when the oil injection screw air compressors work. Therefore, in order to ensure that the oil injection screw air compressor can work normally, lubricating oil is needed to be used for cooling and lubricating the compression main machine and reducing noise. However, when the temperature of the working environment of the oil-injected screw air compressor is too low, the viscosity of the lubricating oil in the oil cylinder is high, the resistance is large, and the fluidity of the lubricating oil is poor, so that the main compressor is likely to stop due to high temperature when the lubricating oil does not reach, and the compression efficiency of the air compressor is affected; simultaneously, two intermeshing's of compression host computer rotors lead to rotor surface wear seriously because of lacking lubricating oil and carry out dry grinding to lead to the compression efficiency of compression host computer to reduce, appear the dead problem of rotor card even, and then lead to oil spout screw air compressor machine's maintenance cost to increase, influence user's production even.
SUMMERY OF THE UTILITY MODEL
For improving the compression efficiency of air compressor machine in low temperature environment, reduce the maintenance cost of air compressor machine, the utility model provides an oil gas cylinder, this oil gas cylinder include the urceolus, are provided with oil fine separator and heater in this urceolus, the heater is located oil fine separator's below is close to the bottom of urceolus. The utility model discloses set up the heater in the urceolus of oil gas section of thick bamboo, in low temperature environment, usable heater is to the lubricating oil heating of oil gas section of thick bamboo bottom, reduce the viscosity and the resistance of lubricating oil, improve the mobility of lubricating oil, thereby make the lubricating oil in the oil gas section of thick bamboo can pour into the compression host computer of air compressor machine into through the system's pipeline fast, cool off the compression host computer, lubricate and fall and make an uproar, thereby improve the compression efficiency of compression host computer, it is impaired to avoid the rotor dry grinding among the compression host computer, and then improve the compression efficiency of air compressor machine in low temperature environment, reduce the maintenance cost of air compressor machine.
Preferably, a circulating oil pipe and an oil pump are arranged outside the outer cylinder, an oil inlet of the circulating oil pipe is communicated with the inner cavity of the outer cylinder at the bottom of the outer cylinder, and an oil outlet of the circulating oil pipe is communicated with the inner cavity of the outer cylinder on the side wall of the outer cylinder; the oil pump is located on the circulating oil pipe, the inlet of the oil pump is close to the oil inlet of the circulating oil pipe, and the outlet of the oil pump is close to the oil outlet of the circulating oil pipe. Therefore, in the process of heating the lubricating oil at the bottom of the oil-gas cylinder by using the heater, the lubricating oil at the bottom of the oil-gas cylinder can be pumped out by using the oil pump and the pumped lubricating oil is re-injected into the oil-gas cylinder from the side wall of the outer cylinder, even if the lubricating oil in the oil-gas cylinder circularly flows through the circulating oil pipe, the efficiency of the heater is improved, the heating energy consumption is reduced, and the heating cost is further reduced. Preferably, a filter is arranged on the circulation oil pipe, and the filter is positioned between the oil inlet of the circulation oil pipe and the oil pump. Like this, in the course of the work, usable filter filters the lubricating oil that the oil pump was taken out from the oil gas section of thick bamboo, avoids impurity in the lubricating oil to enter into the oil pump and causes the damage to the oil pump, prolongs the life of oil pump. Further, the filter is a Y-shaped filter. Like this, select for use Y shape filter to filter the lubricating oil that gets into the oil pump, the resistance is little and the blowdown is convenient. Further preferably, a check valve is arranged on the circulation oil pipe and is located between the oil pump and an oil outlet of the circulation oil pipe. Thus, the lubricating oil can be prevented from flowing back in the circulating oil pipe, the heating efficiency of the lubricating oil in the oil cylinder is improved, and the heating cost of the lubricating oil is reduced.
Preferably, a temperature sensor is arranged at the bottom of the outer cylinder. Therefore, in the working process, the temperature sensor can be used for monitoring the oil temperature of the lubricating oil at the bottom of the oil-gas cylinder in real time, and when the oil temperature of the lubricating oil at the bottom of the oil-gas cylinder reaches the set temperature, the compression main machine can directly run, so that the normal running of the air compressor is ensured; when the oil temperature of the lubricating oil at the bottom of the oil-gas cylinder is lower than the set temperature, the heater and the oil pump need to be started to heat the lubricating oil at the bottom of the oil-gas cylinder until the oil temperature of the lubricating oil reaches the set temperature, so that the air compressor can normally run.
Additionally, the utility model discloses still provide an air compressor machine, this air compressor machine is equipped with above-mentioned arbitrary oil gas cylinder. Such air compressor machine is equipped with above-mentioned oil gas cylinder, during operation in low temperature environment, and the heater in the usable oil gas cylinder heats the lubricating oil of oil gas cylinder bottom, improves the mobility of lubricating oil to make lubricating oil can reach the utility model discloses the required oil temperature of air compressor machine normal operating improves the utility model discloses the compression efficiency of air compressor machine increases the utility model discloses the application scope of air compressor machine.
Preferably, the air compressor comprises a compression main machine, an air outlet of the compression main machine is communicated with an air inlet of the oil cylinder through an exhaust pipe, an oil spray port of the compression main machine is communicated with an oil outlet at the bottom of the oil cylinder through a primary oil return pipe, and a secondary oil return port of the compression main machine is communicated with the oil fine separator in the oil cylinder through a secondary oil return pipe; and a cooler and a primary oil filter are arranged on the primary oil return pipe, and the primary oil filter is positioned between the cooler and the compression main machine. When the air compressor of the utility model operates, the oil-gas mixture formed by compression of the compression main machine is input into the oil cylinder through the exhaust pipe, and is separated into compressed gas and lubricating oil through the oil cylinder, wherein the lubricating oil at the bottom of the oil cylinder enters the cooler through the primary oil return pipe to be cooled into cooling lubricating oil, and the cooling lubricating oil is filtered by the primary oil filter and then is injected into the compression main machine through the oil nozzle of the compression main machine to cool the gas formed by compression in the compression main machine, so as to cool, lubricate and reduce noise of the compression main machine; the lubricating oil in the oil fine separator is injected into the compression main machine through a secondary oil return port of the compression main machine through a secondary oil return pipe, so that the compression main machine is cooled, lubricated and denoised. Therefore, the utility model discloses the air compressor machine cools off, lubricates and fall the processing of making an uproar to the compression host computer in importing the compression host computer through once returning oil pipe and the secondary oil pipe in with the oil cylinder, can effectively improve the compression efficiency of compression host computer, reduces the wearing and tearing of compression host computer, prolongs the life of compression host computer, and then can effectively improve the utility model discloses the compression efficiency of air compressor machine prolongs the utility model discloses the life of air compressor machine.
Preferably, a temperature control valve is arranged on the primary oil return pipe, an inlet of the temperature control valve is communicated with an oil outlet at the bottom of the oil cylinder, a low-temperature outlet of the temperature control valve is communicated with the primary oil filter through a primary oil return branch pipe, and a high-temperature outlet of the temperature control valve is communicated with an oil inlet of the cooler; and an oil return one-way valve and a Y-shaped filter are arranged on the secondary oil return pipe, and the oil return one-way valve is positioned between the Y-shaped filter and the compression host. Therefore, in the working process of the air compressor of the utility model, when the oil temperature of the lubricating oil discharged from the bottom oil discharge port of the oil cylinder is lower, the lubricating oil can directly flow back to the primary oil filter from the low-temperature outlet of the temperature control valve to be filtered and then is injected into the compression main machine, and the lubricating oil is mixed with the compressed gas formed by the compression of the compression main machine to reduce the temperature of the compressed gas, so as to cool, lubricate and reduce the noise of the compression main machine; when the oil temperature of the lubricating oil discharged from the oil outlet at the bottom of the oil cylinder is too high, the lubricating oil can firstly flow back to the cooler from the high-temperature outlet of the temperature control valve for cooling, then flow back to the primary oil filter from the oil outlet of the cooler for filtering and then is injected into the compression main machine for cooling the compressed gas, and cooling, lubricating and reducing the noise of the compression main machine are carried out. Therefore, the temperature control valve is arranged on the primary oil return pipe, the backflow direction of the lubricating oil can be adjusted according to the temperature of the lubricating oil discharged from the bottom oil outlet of the oil cylinder, the lubricating oil sprayed into the compression main machine in a backflow mode can meet the requirements of cooling compressed gas and cooling, lubricating and noise reduction of the compression main machine, the problem that the temperature of an oil-gas mixture output by the compression main machine is too high, subsequent processing is influenced, and the service life of the compression main machine is prolonged. In addition, the secondary oil return pipe is provided with an oil return one-way valve and a Y-shaped filter, so that the lubricating oil which flows back in the oil fine separator can be filtered, and the lubricating oil can be prevented from flowing back in the oil fine separator.
Preferably, the air outlet of the oil-gas cylinder is communicated with the air inlet end of the cooler through a secondary exhaust pipe, and the secondary exhaust pipe is provided with a pressure maintaining valve which is close to the air outlet of the oil-gas cylinder; and an exhaust valve is arranged at the air outlet end of the cooler. Like this, establishing the utility model discloses when the required interior pressure of air compressor machine operation, usable pressure maintaining valve control gas is discharged through the gas outlet of oil inflator to establish fast and stably the utility model discloses the required interior pressure of air compressor machine operation.
Drawings
Fig. 1 is the structural connection schematic diagram of the air compressor machine that is equipped with the utility model discloses oil gas jar.
Detailed Description
The oil cylinder and the air compressor equipped with the oil cylinder of the present invention will be described in detail with reference to fig. 1.
As shown in fig. 1, the oil and gas cartridge 1 of the present invention includes an outer cartridge 11, an oil fine separator 12 and a heater 13 are provided in the outer cartridge 11, and the heater 13 is located below the oil fine separator 12 and near the bottom of the outer cartridge 11. Thus, the utility model discloses oil gas section of thick bamboo 1 sets up heater 13 in urceolus 11, in low temperature environment, usable heater 13 is to the lubricating oil heating of oil gas section of thick bamboo 1 bottom, reduce the viscosity and the resistance of lubricating oil, improve the mobility of lubricating oil, thereby make lubricating oil in the oil gas section of thick bamboo 1 can pour into the compression host computer 2 of air compressor machine into through the system's pipeline fast, cool off compression host computer 2, it is lubricated and fall and make an uproar, thereby improve compression host computer 2's compression efficiency, it is impaired to avoid the rotor dry grinding among the compression host computer 2, and then improve the compression efficiency of air compressor machine in low temperature environment, reduce the maintenance cost of air compressor machine. Preferably, a circulating oil pipe 14 and an oil pump 15 are arranged outside the outer cylinder 11, an oil inlet of the circulating oil pipe 14 is communicated with the inner cavity of the outer cylinder 11 at the bottom of the outer cylinder 11, and an oil outlet of the circulating oil pipe 14 is communicated with the inner cavity of the outer cylinder 11 on the side wall of the outer cylinder 11; the oil pump 15 is positioned on the circulating oil pipe 11, an inlet of the oil pump 15 is close to an oil inlet of the circulating oil pipe 14, and an outlet of the oil pump 15 is close to an oil outlet of the circulating oil pipe 14. Thus, in the process of heating the lubricating oil at the bottom of the oil cylinder 1 by the heater 13, the lubricating oil at the bottom of the oil cylinder 1 can be pumped out by the oil pump 15 and the pumped lubricating oil can be re-injected into the oil cylinder 1 from the side wall of the outer cylinder 11, even if the lubricating oil in the oil cylinder 1 circularly flows through the circulating oil pipe 14, the efficiency of the heater 13 is improved, the heating energy consumption is reduced, and the heating cost is further reduced. Preferably, a filter 16 is provided on the circulation line 14, and the filter 16 is located between an oil inlet of the circulation line 14 and the oil pump 15. Like this, in the course of the work, usable filter 16 filters the lubricating oil that oil pump 15 was taken out from oil gas section of thick bamboo 1, avoids impurity in the lubricating oil to enter into oil pump 1 and causes the damage to oil pump 1, prolongs the life of oil pump 1. Preferably, the filter 16 is a Y-shaped filter. Like this, select for use the Y shape filter to filter the lubricating oil that gets into oil pump 15, the resistance is little and the blowdown is convenient. Preferably, a check valve 17 is provided on the circulation oil pipe 14, and the check valve 17 is located between the oil pump 15 and the oil outlet of the circulation oil pipe 14. Thus, the return of the lubricating oil in the circulating oil pipe 14 can be avoided, the heating efficiency of the lubricating oil in the oil gas cylinder 1 can be improved, and the heating cost of the lubricating oil can be reduced. Preferably, the bottom of the outer tub 11 is provided with a temperature sensor 18. Thus, in operation, the temperature sensor 18 can be used for monitoring the oil temperature of the lubricating oil at the bottom of the oil cylinder 1 in real time, and when the oil temperature of the lubricating oil at the bottom of the oil cylinder 1 reaches a set temperature, the compression main machine 2 can directly run, so that the normal running of the air compressor is ensured; when the temperature of the lubricating oil at the bottom of the oil gas cylinder 1 is lower than the set temperature, the heater 13 and the oil pump 15 need to be started to heat the lubricating oil at the bottom of the oil gas cylinder 1 until the temperature of the lubricating oil reaches the set temperature, so that the air compressor can normally run.
As shown in fig. 1, when the air compressor equipped with the oil cylinder 1 is operated in a low-temperature environment, the heater 13 in the oil cylinder 1 can be used for heating the lubricating oil at the bottom of the oil cylinder 1, so as to improve the fluidity of the lubricating oil, so that the lubricating oil can reach the oil temperature required by the normal operation of the air compressor, improve the compression efficiency of the air compressor, and enlarge the application range of the air compressor. Preferably, in the air compressor, the exhaust port 21 of the compression main machine 2 is communicated with the air inlet of the oil cylinder 1 through an exhaust pipe 31, the oil injection port 22 of the compression main machine 2 is communicated with the bottom oil discharge port of the oil cylinder 1 through a primary oil return pipe 32, and the secondary oil return port 23 of the compression main machine 2 is communicated with the oil fine separator 12 in the oil cylinder 1 through a secondary oil return pipe 33; the primary oil return pipe 32 is provided with a cooler 4 and a primary oil filter 51, and the primary oil filter 51 is located between the cooler 4 and the compression main machine 2. Thus, when the air compressor runs, an oil-gas mixture formed by compression of the compression main machine 2 is input into the oil-gas cylinder 1 through the exhaust pipe 31 and is separated by the oil-gas cylinder 1 to form compressed gas and lubricating oil, wherein the lubricating oil at the bottom of the oil-gas cylinder 1 enters the cooler 4 through the primary oil return pipe 32 to be cooled to form cooling lubricating oil, and the cooling lubricating oil is filtered by the primary oil filter 51 and then is injected into the compression main machine 2 through the oil injection port 22 of the compression main machine 2 to cool the gas formed by compression in the compression main machine 2, so that the compression main machine 2 is cooled, lubricated and denoised; the lubricating oil in the oil fine separator 12 is injected into the compression main machine 2 through the secondary oil return port 23 of the compression main machine 2 via the secondary oil return pipe 33, and cools, lubricates and reduces noise of the compression main machine 2. Therefore, the lubricating oil in the oil cylinder 1 is input into the compression main machine 2 by the air compressor through the primary oil return pipe 32 and the secondary oil return pipe 33 to cool, lubricate and reduce noise of the compression main machine 2, so that the compression efficiency of the compression main machine 2 can be effectively improved, the abrasion of the compression main machine 2 is reduced, the service life of the compression main machine 2 is prolonged, the compression efficiency of the air compressor can be effectively improved, and the service life of the air compressor is prolonged. Preferably, the primary oil return pipe 32 is provided with a temperature control valve 6, an inlet of the temperature control valve 6 is communicated with an oil outlet at the bottom of the oil gas cylinder 1, a low-temperature outlet of the temperature control valve 6 is communicated with the primary oil filter 51 through a primary oil return branch pipe 34, and a high-temperature outlet of the temperature control valve 6 is communicated with an oil inlet of the cooler 4; the secondary oil return pipe 33 is provided with an oil return one-way valve 7 and a Y-shaped filter 52, and the oil return one-way valve 7 is positioned between the Y-shaped filter 52 and the compression main machine 2. Thus, in the working process of the air compressor, when the oil temperature of the lubricating oil discharged from the oil discharge port at the bottom of the oil gas cylinder 1 is low, the lubricating oil can directly flow back to the primary oil filter 51 from the low-temperature outlet of the temperature control valve 6 for filtering and then is injected into the main compressor 2, and the lubricating oil is mixed with the compressed gas formed by the compression of the main compressor 2 to reduce the temperature of the compressed gas, so that the main compressor 2 is cooled, lubricated and denoised; when the oil temperature of the lubricating oil discharged from the oil outlet at the bottom of the oil gas cylinder 1 is too high, the lubricating oil can firstly flow back into the cooler 4 from the high-temperature outlet of the temperature control valve 6 for cooling and temperature reduction, then flow back into the primary oil filter 51 from the oil outlet of the cooler 4 for filtering and then is injected into the compression main machine 2, the compressed gas is cooled, and the compression main machine 2 is cooled, lubricated and denoised. Therefore, the temperature control valve 6 is arranged on the primary oil return pipe 32, the backflow direction of the lubricating oil can be adjusted according to the temperature of the lubricating oil discharged from the bottom oil outlet of the oil gas cylinder 1, the lubricating oil sprayed into the compression main machine 2 in a backflow mode can meet the requirements of cooling compressed gas and cooling and lubricating the compression main machine 2, and reducing noise, so that the phenomenon that the temperature of an oil-gas mixture output by the compression main machine 2 is too high, subsequent processing is influenced, and the service life of the compression main machine 2 is prolonged. Further, the oil return check valve 7 and the Y-shaped filter 52 are provided in the secondary oil return pipe 33, so that the lubricating oil that has returned to the oil fine separator 12 can be filtered, and the lubricating oil can be prevented from returning to the oil fine separator 12. Preferably, the air outlet of the oil and gas cylinder 1 is communicated with the air inlet end of the cooler 4 through a secondary exhaust pipe 35, a pressure maintaining valve 8 is arranged on the secondary exhaust pipe 35, and the pressure maintaining valve 8 is close to the air outlet of the oil and gas cylinder 4; the air outlet end of the cooler 4 is provided with an exhaust valve 9. In this way, when the internal pressure required for the operation of the air compressor is established, the pressure maintaining valve 9 may be used to control the discharge of the gas through the gas outlet of the oil gas cylinder 1, so as to quickly and stably establish the internal pressure required for the operation of the air compressor.
Claims (9)
1. An oil gas cylinder is characterized by comprising an outer cylinder, wherein an oil fine separator and a heater are arranged in the outer cylinder, and the heater is positioned below the oil fine separator and close to the bottom of the outer cylinder; a circulating oil pipe and an oil pump are arranged outside the outer barrel, an oil inlet of the circulating oil pipe is communicated with the inner cavity of the outer barrel at the bottom of the outer barrel, and an oil outlet of the circulating oil pipe is communicated with the inner cavity of the outer barrel on the side wall of the outer barrel; the oil pump is located on the circulating oil pipe, the inlet of the oil pump is close to the oil inlet of the circulating oil pipe, and the outlet of the oil pump is close to the oil outlet of the circulating oil pipe.
2. The hydrocarbon cartridge of claim 1, wherein said circulation line has a filter disposed thereon, said filter being positioned between said oil inlet of said circulation line and said oil pump.
3. The hydrocarbon cartridge of claim 2, wherein said filter is a Y-shaped filter.
4. The hydrocarbon cartridge of claim 2, wherein a one-way valve is disposed on said circulation line and is located between said oil pump and an oil outlet of said circulation line.
5. The oil and gas cartridge of any one of claims 1 to 4, wherein a temperature sensor is provided at the bottom of the outer cartridge.
6. An air compressor, characterized in that the air compressor is equipped with the oil gas cylinder of any one of claims 1 to 5.
7. The air compressor according to claim 6, wherein the air compressor includes a compression main machine, an exhaust port of the compression main machine is communicated with an air inlet of the oil cylinder through an exhaust pipe, an oil injection port of the compression main machine is communicated with a bottom oil discharge port of the oil cylinder through a primary oil return pipe, and a secondary oil return port of the compression main machine is communicated with an oil fine separator in the oil cylinder through a secondary oil return pipe; and a cooler and a primary oil filter are arranged on the primary oil return pipe, and the primary oil filter is positioned between the cooler and the compression main machine.
8. The air compressor according to claim 7, wherein a thermostat valve is disposed on the primary oil return pipe, an inlet of the thermostat valve is communicated with an oil outlet at the bottom of the oil cylinder, a low-temperature outlet of the thermostat valve is communicated with the primary oil filter through a primary oil return branch pipe, and a high-temperature outlet of the thermostat valve is communicated with an oil inlet of the cooler; and an oil return one-way valve and a Y-shaped filter are arranged on the secondary oil return pipe, and the oil return one-way valve is positioned between the Y-shaped filter and the compression host.
9. The air compressor as claimed in claim 7 or 8, wherein the air outlet of the oil cylinder is communicated with the air inlet end of the cooler through a secondary exhaust pipe, and a pressure maintaining valve is provided on the secondary exhaust pipe and is close to the air outlet of the oil cylinder; and an exhaust valve is arranged at the air outlet end of the cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743655.XU CN217129801U (en) | 2021-07-29 | 2021-07-29 | Oil gas cylinder and air compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743655.XU CN217129801U (en) | 2021-07-29 | 2021-07-29 | Oil gas cylinder and air compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129801U true CN217129801U (en) | 2022-08-05 |
Family
ID=82613970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121743655.XU Active CN217129801U (en) | 2021-07-29 | 2021-07-29 | Oil gas cylinder and air compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129801U (en) |
-
2021
- 2021-07-29 CN CN202121743655.XU patent/CN217129801U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206280252U (en) | The adjustable two-stage energy-saving air compressor of pressure ratio | |
| TWI537471B (en) | Compressor and oil supply method thereof | |
| CN105626530A (en) | Water-lubrication oil-free medium pressure two-stage-compression single-screw-rod air compressor | |
| CN102996455A (en) | Oil injection screw compressor lubrication pressure energy recovery system | |
| CN110242534A (en) | A kind of new energy has oily stage piston-type air compressor machine | |
| CN108167070A (en) | For the independent lubricating oil oil supply system of marine low speed diesel engine booster | |
| CN202520561U (en) | Heat recovery system of water cooling oil-free screw air compressor | |
| CN205559288U (en) | Screw air compressor waste heat recovery system | |
| CN103527490B (en) | Machine head assembly and air compressor | |
| CN204783685U (en) | Horizontal slide vane compressor and air conditioner | |
| CN217129801U (en) | Oil gas cylinder and air compressor with same | |
| CN207437307U (en) | A kind of double frequency conversion air compressors of Two-stage Compression permanent magnetism | |
| CN105221432A (en) | There is the screw compressor system of organic Rankine bottoming cycle | |
| CN115507034B (en) | Lubricating oil circulation system of oil injection screw compressor | |
| CN205446041U (en) | Compressor structure | |
| CN105156332B (en) | A kind of cunning air compressor unit of novel spraying | |
| CN106907311A (en) | The waste heat comprehensive utilization system and its application method of a kind of air compressor machine | |
| CN111927773A (en) | Energy-efficient oilless screw air compressor | |
| CN204532815U (en) | Rotary compressor | |
| CN106468255A (en) | The oil circuit regulating system of compressor and compressor | |
| CN103321910B (en) | A kind of intercooler unit of two-stage screw compressor and cooling means | |
| CN205225742U (en) | Helical -lobe compressor system with organic rankine cycle | |
| CN208106762U (en) | double-screw compressor | |
| CN105927310A (en) | Engine double-pump lubricating system | |
| CN205001197U (en) | Novel oil spout gleitbretter compressor set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |