CN215566641U - Gearbox venturi vacuum suction system - Google Patents
Gearbox venturi vacuum suction system Download PDFInfo
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- CN215566641U CN215566641U CN202121995131.XU CN202121995131U CN215566641U CN 215566641 U CN215566641 U CN 215566641U CN 202121995131 U CN202121995131 U CN 202121995131U CN 215566641 U CN215566641 U CN 215566641U
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Abstract
The utility model discloses a gearbox Venturi vacuum suction system which comprises a high-pressure air inlet system, a vacuum suction system and an exhaust treatment system. The high-pressure gas inlet system comprises a high-pressure gas taking pipe, a gas-water separator and a drain pipe; the vacuum suction system comprises a Venturi vacuum generator, a gear box oil filling pipe and a vacuum suction pipe; the exhaust treatment system comprises a vacuum generator exhaust pipe, an oil-gas separator and an oil return pipe. The venturi vacuum suction system of the gear box provided by the utility model utilizes high-pressure exhaust of the air compressor to suck, no extra power consumption is caused, the cost in the aspect of electricity is reduced, the venturi vacuum suction system can be adjusted according to the pressure of the gear box, the requirements on the vacuum degree of the gear box under different working conditions can be met, meanwhile, the specific requirements of a dry type oil-free screw machine are met, the cost of vacuum maintenance is reduced, the air suction amount can be adjusted under different working conditions, and the venturi vacuum suction system has better adaptability to different working conditions.
Description
Technical Field
The utility model relates to the technical field of vacuum suction systems, in particular to a gearbox Venturi vacuum suction system.
Background
The dry-type does not have oily screw compressor machine and adopts the design that the rotor chamber does not contain oil, and the lubricated required lubricating oil of bearing directly gets back to the gear box through the oil return opening to avoid getting into the rotor chamber, polluting the compressed air. In order to ensure smooth return of the lubricating oil for lubricating the bearing and to avoid oil entering the rotor cavity, it is necessary to ensure that the pressure at the oil return port is maintained at a low level. Therefore, the gear box of the dry type oil-free screw compressor is provided with a suction system for maintaining a low pressure. The common suction system is a suction system with a vacuum pump and a system only with a breathing cap, the suction system with the vacuum pump is high in manufacturing cost and needs electricity consumption, and the system with the breathing cap is simple, but the situation that negative pressure cannot be achieved in a gear box and oil mist is discharged due to unsmooth oil return is caused.
To this end, a gearbox venturi vacuum suction system is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a venturi vacuum suction system of a gear box, which has the advantages of reasonable structural design, good suction effect and low manufacturing cost, does not have extra power consumption, reduces the cost in the electrical aspect, utilizes the negative pressure generated by high-pressure air flowing through a venturi vacuum generator at a suction port to suck out redundant gas in the gear box, thereby maintaining the gear box to be always in a vacuum state, avoiding the risk of oil entering a rotor cavity, ensuring that a dry-type oil-free screw air compressor system is 100% oil-free and solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a gearbox venturi vacuum pumping system comprising:
high-pressure gas air intake system, high-pressure gas air intake system includes that high-pressure gas gets trachea, deareator and drain pipe, high-pressure gas gets the trachea and is connected with dry-type does not have oily screw compressor's final blast pipe, deareator takes pressure regulating device certainly, pressure regulating device includes the air-vent valve, the both sides of air-vent valve are equipped with gas vent one and air inlet one respectively, the bottom of air-vent valve is equipped with the filter, air inlet one with high-pressure gas gets the trachea and keeps away from screw compressor final blast pipe's one end intercommunication, the filter is kept away from the one end of air-vent valve is equipped with the outlet, the one end of drain pipe with the outlet connection.
Foretell a gear box venturi vacuum suction system, wherein, still include vacuum suction system, vacuum suction system includes venturi vacuum generator, gear box oil pipe and vacuum suction pipe, venturi vacuum generator's air inlet two connects on the gas vent one, venturi vacuum generator in the middle suction port with gear box oil pipe middle extraction opening links to each other, gear box oil pipe is installed on the gear box to link to each other with gear box gas phase space, an extraction opening has been seted up on the gear box oil pipe, be equipped with the pressure sensor who is used for real-time detection its internal pressure on the gear box oil pipe, the vacuum suction pipe communicates between suction opening in the middle of venturi vacuum generator and the extraction opening on the gear box oil pipe.
Foretell a gear box venturi vacuum suction system, wherein, still include exhaust treatment system, exhaust treatment system includes vacuum generator blast pipe, oil and gas separator and returns the oil pipe, the one end of vacuum generator blast pipe with venturi vacuum generator's gas vent two-phase intercommunication, the other end of vacuum generator blast pipe with oil and gas separator's air inlet three-phase intercommunication, return the oil pipe the both ends respectively with oil and gas separator's oil drain port and the gear box links to each other.
The gearbox venturi vacuum suction system is characterized in that the high-pressure gas intake pipe is made of a pipeline made of stainless steel.
The gearbox venturi vacuum suction system is characterized in that a pressure gauge is arranged on the outer side surface of the pressure regulating valve.
The venturi vacuum suction system of the gearbox is characterized in that an observation mirror is arranged on the outer side face of the filter.
Above-mentioned gearbox venturi vacuum suction system, wherein, the drain pipe adopts transparent nylon tube to make.
The gearbox venturi vacuum suction system is characterized in that the gas-water separator and the oil-gas separator are fixedly mounted on an upright post of the dry type oilless screw air compressor through a support.
Compared with the prior art, the utility model has the beneficial effects that:
the venturi vacuum suction system of the gearbox provided by the utility model utilizes high-pressure exhaust of the air compressor to suck, no extra power consumption is needed, the cost in the aspect of electricity is reduced, vibration and noise are reduced, and the venturi vacuum suction system is more compact in installation. Compare in vacuum pump suction system, venturi vacuum suction system can adjust according to gear box pressure, can satisfy the requirement to gear box vacuum under the different operating modes, also can minimize consumption when stable operation, reaches energy-conserving purpose. Compare in traditional vacuum maintenance system, gear box venturi vacuum suction system has not only satisfied the specific demand of dry-type oil-free screw machine, has still reduced the cost that the vacuum was maintained, has simplified system layout, and the air extraction volume can be adjusted under different operating modes, and is better to the adaptability of different operating modes to whole market competition who has improved dry-type oil-free screw air compressor machine.
Drawings
FIG. 1 is a schematic diagram of the venturi vacuum suction system of a gearbox according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of a high pressure air induction system according to an embodiment of the present invention;
FIG. 3 is a first schematic structural diagram of a Venturi vacuum generator according to an embodiment of the present invention;
FIG. 4 is a second schematic structural view of a Venturi vacuum generator according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an oil-gas separator in the embodiment of the utility model.
In the figure: 1. a gear case; 2. a gearbox oil filler tube; 3. a vacuum suction tube; 4. a venturi vacuum generator; 41. a second exhaust port; 42. a suction port; 43. a second air inlet; 5. a gas-water separator; 51. a pressure regulating valve; 52. a first air inlet; 53. a first exhaust port; 54. a pressure gauge; 55. a filter; 56. an observation mirror; 57. a water outlet; 6. a high-pressure gas taking pipe; 7. a drain pipe; 8. a vacuum generator exhaust pipe; 9. an oil-gas separator; 91. a third air inlet; 92. a third exhaust port; 93. a barrel; 94. an oil discharge port; 10. an oil return pipe; 11. and (4) a bracket.
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.
Referring to fig. 1-5, the present invention provides the following technical solutions:
the embodiment provides a venturi vacuum suction system of a gearbox, which comprises a high-pressure air inlet system, a vacuum suction system and an exhaust treatment system.
Wherein, the high-pressure air intake system mainly comprises a high-pressure air intake pipe 6, a gas-water separator 5 and a drain pipe 7, the high-pressure air intake pipe 6 is connected with a final exhaust pipe of the dry-type oilless screw air compressor, the high-pressure air intake pipe 6 is used for leading high-pressure compressed air to the gas-water separator 5, the gas-water separator 5 is provided with a pressure regulating device, the pressure regulating device comprises a pressure regulating valve 51, two sides of the pressure regulating valve 51 are respectively provided with a first exhaust port 53 and a first air inlet 52, the bottom of the pressure regulating valve 51 is provided with a filter 55, the first air inlet 52 is communicated with one end of the high-pressure air intake pipe 6, which is far away from the final exhaust pipe of the screw air compressor, the first exhaust port 53 is communicated with the vacuum generator, one end of the filter 55, which is far away from the pressure regulating valve 51, the pressure regulating device is used for regulating the pressure of the compressed air discharged from the first exhaust port 53, so that the high-pressure air intake system consumes the high-pressure compressed air as little as possible under the condition of satisfying the negative pressure of the gear box 1, the water can be analyzed out after the high-pressure compressed air is decompressed, the filter 55 is used for filtering separated water, the filtered water is discharged through the water outlet 57, the decompressed and filtered compressed air is discharged through the first air outlet 53 for a subsequent vacuum suction system, and one end of the water discharge pipe 7 is connected with the water outlet 57 and used for discharging the filtered water out of the high-pressure air inlet system.
Wherein, the vacuum suction system mainly comprises a Venturi vacuum generator 4, a gear box oil filling pipe 2 and a vacuum suction pipe 3, after a second air inlet 43 of the Venturi vacuum generator 4 is connected with high-pressure compressed air discharged by a first air outlet 53, the high-pressure compressed air flows through a suction port 42 in the middle of the Venturi vacuum generator 4 to form negative pressure, the suction port 42 in the middle of the Venturi vacuum generator 4 is connected with a middle suction port of the gear box oil filling pipe 2, redundant gas in the gear box 1 is continuously pumped out by utilizing the negative pressure source generated by the Venturi vacuum generator 4 to ensure the vacuum degree in the gear box 1, the mixed gas mixed with oil mist after suction is discharged out through a second air outlet 41 of the Venturi vacuum generator 4 and enters an exhaust treatment system, the gear box oil filling pipe 2 is arranged on the gear box 1 and is connected with a gas phase space of the gear box 1, a suction port is arranged on the gear box oil filling pipe 2, the air extraction opening is used for extracting redundant air in the gear box 1, the oil filling pipe 2 of the gear box is provided with a pressure sensor for detecting the internal pressure in real time, the pressure data detected by the pressure sensor is displayed in real time through a control panel, the control panel can be arranged on an upright post of the dry-type oilless screw air compressor, and the surface of the control panel is provided with a touch display screen, the control panel is internally provided with a singlechip which is respectively and electrically connected with the touch display screen and the pressure sensor, the pressure data is used for reflecting the negative pressure condition of the gear box 1 in real time, so as to adjust the outlet pressure of the gas-water separator 5 according to the negative pressure condition of the upper gearbox 1, the vacuum suction pipe 3 is used for communicating the suction port 42 in the middle of the Venturi vacuum generator 4 with the suction port on the gearbox oil filling pipe 2 and sucking the redundant gas in the gearbox 1 through the Venturi vacuum generator 4.
Wherein, the exhaust gas treatment system mainly comprises a vacuum generator exhaust pipe 8, an oil-gas separator 9 and an oil return pipe 10, the vacuum generator exhaust pipe 8 is used for leading compressed air mixed with gear box gas and discharged by the Venturi vacuum generator 4 to an air inlet III 91 of the oil-gas separator 9, one end of the vacuum generator exhaust pipe 8 is communicated with an air outlet II 41 of the Venturi vacuum generator 4, the other end of the vacuum generator exhaust pipe 8 is communicated with the air inlet III 91 of the oil-gas separator 9, the vacuum generator exhaust pipe 8 is made of 304 stainless steel to ensure the cleanliness of the exhaust gas treatment system, the oil-gas separator 9 is used for separating oil mist in the mixed compressed air, the compressed air is basically free of oil after being separated and then is discharged out of the exhaust gas treatment system from the air outlet III 92 of the oil-gas separator 9, and the separated lubricating oil is accumulated in a cylinder 93 at the lower part of the oil-gas separator 9, and then the oil returns to the interior of the gear box 1 through the oil outlet 94, two ends of the oil return pipe 10 are respectively connected with the oil outlet 94 of the oil-gas separator 9 and the gear box 1, the oil separated by the oil-gas separator 9 is led back to the gear box 1, and the oil return pipe 10 is made of 304 stainless steel so as to ensure the cleanness of the returned oil.
The venturi vacuum suction system of the gear box adopting the technical scheme mainly comprises a high-pressure air inlet system, a vacuum suction system and an exhaust treatment system, wherein high-pressure air flows through a venturi vacuum generator 4 to generate negative pressure at a suction port 42 and pump out redundant air in the gear box 1, so that the gear box 1 is always kept in a vacuum state, the risk of oil entering a rotor cavity is avoided, and 100% oil-free performance of the dry-type oil-free screw air compressor system is ensured. Also can minimize consumption when steady operation, reach energy-conserving purpose, compare in traditional vacuum maintenance system, this gear box venturi vacuum suction system has not only satisfied the specific demand of dry-type oil-free screw machine, has still reduced the cost that the vacuum was maintained, has simplified system layout, and the air extraction volume can be adjusted under different operating modes, and is better to the adaptability of different operating modes to whole market competition who has improved dry-type oil-free screw air compressor machine.
Specifically, in order to ensure the cleanness of the compressed air entering the inside of the gas-water separator 5, in this embodiment, the high-pressure gas intake pipe 6 is made of a 304 stainless steel pipe, so that the inside of the high-pressure gas intake pipe 6 is not easily corroded and is not easily subjected to generation of impurities such as rust.
Specifically, in order to know the magnitude of the pressure of the compressed air discharged from the first exhaust port 53, in the present embodiment, a pressure gauge 54 is further disposed on the outer side surface of the pressure regulating valve 51, so that the magnitude of the pressure of the compressed air discharged from the first exhaust port 53 can be known through the pressure gauge 54.
Specifically, in order to observe the state inside the filter 55, in the present embodiment, the observation mirror 56 is further provided on the outer side surface of the filter 55, so that the state inside the filter 55 can be known in real time through the observation mirror 56.
Specifically, in order to facilitate the arrangement of the drain pipe 7 and the observation of the drainage condition inside the drain pipe 7, in the present embodiment, the drain pipe 7 is made of a transparent nylon pipe, so that the drain pipe 7 is convenient to arrange, and the drainage condition inside the drain pipe 7 is convenient to observe.
Specifically, in order to increase the stability of the gas-water separator 5 and the oil-gas separator 9, in the present embodiment, the gas-water separator 5 and the oil-gas separator 9 are both fixedly mounted on the upright post of the dry-type oilless screw air compressor by the bracket 11.
Conventional gearbox vacuum maintenance systems employ a suction system with a vacuum pump and a system with only a breathing cap. The system with only the breathing cap is the simplest system because the breathing cap also has the functions of oil filtering and oil returning. However, the excessive gas in the gear box discharged by the breathing cap needs to be dependent on the pressure difference between the inside and the outside of the gear box and overcome the resistance of the oil filter, so that the excessive gas in the gear box can only be discharged, the gear box cannot reach the negative pressure state, and the requirement of a dry-type oil-free screw machine cannot be met. The breathing cap is small in size, and when the breathing cap is used for a long time or the exhaust amount is large, oil mist breathes out or filtered oil cannot come back and flows out in time, so that lubricating oil is consumed. The suction system with the vacuum pump is also provided with an oil filter and an oil return pipe after suction, and compared with a gas-water separator and a Venturi vacuum generator, the vacuum pump is higher in cost and consumes power during operation. The vacuum pump generally adopts a power frequency motor, the air extraction amount cannot be adjusted under different working conditions, and the adaptability to different working conditions is poor.
The venturi vacuum suction system of the gearbox utilizes high-pressure exhaust of the air compressor to suck, extra power consumption is avoided, the cost in the aspect of electricity is reduced, vibration and noise are reduced, and the venturi vacuum suction system is more compact in installation. Compare in vacuum pump suction system, venturi vacuum suction system can adjust according to gear box pressure, can satisfy the requirement to gear box vacuum under the different operating modes, also can minimize consumption when stable operation, reaches energy-conserving purpose. Compare in traditional vacuum maintenance system, gear box venturi vacuum suction system has not only satisfied the specific demand of dry-type oil-free screw machine, has still reduced the cost that the vacuum was maintained, has simplified system layout, and the air extraction volume can be adjusted under different operating modes, and is better to the adaptability of different operating modes to whole market competition who has improved dry-type oil-free screw air compressor machine.
The parts not involved in the present invention are the same as or can be implemented by the prior art. 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A gearbox venturi vacuum aspiration system, comprising:
high-pressure gas air intake system, high-pressure gas air intake system includes that high-pressure gas gets trachea (6), deareator (5) and drain pipe (7), high-pressure gas gets trachea (6) and dry-type does not have oily screw compressor's final blast pipe to be connected, deareator (5) are from taking pressure regulating device, pressure regulating device includes air-vent valve (51), the both sides of air-vent valve (51) are equipped with gas vent (53) and air inlet (52) respectively, the bottom of air-vent valve (51) is equipped with filter (55), air inlet (52) with high-pressure gas gets trachea (6) to be kept away from the one end intercommunication of screw compressor final blast pipe, filter (55) are kept away from the one end of air-vent valve (51) is equipped with outlet (57), the one end of drain pipe (7) with outlet (57) are connected.
2. The gearbox venturi vacuum aspiration system of claim 1, wherein: also comprises a vacuum suction system, the vacuum suction system comprises a Venturi vacuum generator (4), a gear box oil filling pipe (2) and a vacuum suction pipe (3), the second air inlet (43) of the Venturi vacuum generator (4) is connected with the first air outlet (53), a suction port (42) in the middle of the Venturi vacuum generator (4) is connected with a suction port in the middle of the gear box oil filling pipe (2), the gear box oil filling pipe (2) is arranged on the gear box (1), and is connected with the gas phase space of the gear box (1), the oil filling pipe (2) of the gear box is provided with an air suction opening, the gear box oil filling pipe (2) is provided with a pressure sensor for detecting the internal pressure thereof in real time, the vacuum suction pipe (3) is communicated between a suction port (42) in the middle of the Venturi vacuum generator (4) and a suction port on the oil filling pipe (2) of the gear box.
3. The gearbox venturi vacuum aspiration system of claim 2, wherein: still include exhaust treatment system, exhaust treatment system includes vacuum generator blast pipe (8), oil and gas separator (9) and returns oil pipe (10), the one end of vacuum generator blast pipe (8) with the gas vent two (41) of venturi vacuum generator (4) are linked together, the other end of vacuum generator blast pipe (8) with the air inlet three (91) of oil and gas separator (9) are linked together, return oil pipe (10) the both ends respectively with oil drain port (94) of oil and gas separator (9) and gear box (1) link to each other.
4. The gearbox venturi vacuum aspiration system of claim 1, wherein: the high-pressure gas taking pipe (6) is made of a pipeline made of 304 stainless steel.
5. The gearbox venturi vacuum aspiration system of claim 1, wherein: and a pressure gauge (54) is arranged on the outer side surface of the pressure regulating valve (51).
6. The gearbox venturi vacuum aspiration system of claim 1, wherein: an observation mirror (56) is arranged on the outer side surface of the filter (55).
7. The gearbox venturi vacuum aspiration system of claim 1, wherein: the drain pipe (7) is made of a transparent nylon pipe.
8. The gearbox venturi vacuum aspiration system of claim 3, wherein: the gas-water separator (5) and the oil-gas separator (9) are both fixedly installed on an upright post of the dry-type oilless screw air compressor by a support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121995131.XU CN215566641U (en) | 2021-08-24 | 2021-08-24 | Gearbox venturi vacuum suction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121995131.XU CN215566641U (en) | 2021-08-24 | 2021-08-24 | Gearbox venturi vacuum suction system |
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| Publication Number | Publication Date |
|---|---|
| CN215566641U true CN215566641U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121995131.XU Active CN215566641U (en) | 2021-08-24 | 2021-08-24 | Gearbox venturi vacuum suction system |
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|---|---|
| CN (1) | CN215566641U (en) |
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2021
- 2021-08-24 CN CN202121995131.XU patent/CN215566641U/en active Active
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