CN203067291U - Lubricating oil pressure energy recovery system of oil-injected screw compressor - Google Patents
Lubricating oil pressure energy recovery system of oil-injected screw compressor Download PDFInfo
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- CN203067291U CN203067291U CN 201220665903 CN201220665903U CN203067291U CN 203067291 U CN203067291 U CN 203067291U CN 201220665903 CN201220665903 CN 201220665903 CN 201220665903 U CN201220665903 U CN 201220665903U CN 203067291 U CN203067291 U CN 203067291U
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- compressor
- hydraulic motor
- oil hydraulic
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Abstract
The utility model provides a lubricating oil pressure energy recovery system of an oil-injected screw compressor, which can recover and utilize lubricating oil pressure energy of the oil-injected screw compressor, prevent the waste of the energy and realize energy conservation and consumption reduction. The lubricating oil pressure energy recovery system comprises a gas inlet filter, an electric motor, a compressor, a check valve, an oil filter, a constant-temperature valve, an oil-gas separator, a minimum pressure valve, an oil cooler, a gas cooler, a gas-liquid separator and a fan, wherein a pipeline of the gas inlet filter is communicated with the compressor, the compressor is driven through the electric motor, an oil injection pipeline of the compressor is equipped with the check valve and then communicated to an inlet of the oil-gas separator, the minimum pressure valve is arranged at the top of the oil-gas separator, internal high-pressure lubricating oil of the oil-gas separator is communicated with the constant-temperature valve through the pipeline and then introduced into the oil cooler, and an outlet of the oil cooler is connected with the oil filter through the pipeline and then communicated with an oil inlet of the compressor.
Description
Technical field
The utility model relates to the technical field of fuel injection helical lobe compressor work system, is specially a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system.
Background technique
Fuel injection helical lobe compressor is a kind of common positive displacement compressor, wherein the workflow of air-cooled helical-lobe compressor as shown in Figure 1, gas at first enters in the compressor 3 through behind the air intake filter 1, the transmission that under the driving of motor 2, is meshing with each other of a pair of negative and positive rotors in the compressor 3, and pressurized gas, in the process of compressor 3 fortune runnings, lubricant oil in the deaerator 7 is under the effect of system's pressure reduction, be pressed in the compressor 3, compressed gas mixture is discharged in the deaerator 7 after by safety check 4 together, oil gas is separated here, the lubricant oil that is injected into compressor is got back in the separator again, oil passes through thermostatic valve 6 more afterwards, oil cooler 9, be injected into compressor 3 behind the oil strainer 5 again, gas is then after reaching certain pressure (generally more than the 3bar), enter into gas cooler 10 by minimum pressure valve 8, use for the user finally by crossing gas-liquid separator 11 backs, oil cooler 9 in its unit, the cooling of gas cooler 10 is to be provided by fan 12, and fan 12 external fan motors 13 provide power source.
The fuel injection quantity of fuel injection helical lobe compressor is too much, can have a strong impact on the unit power consumption.Therefore General System can be controlled fuel injection quantity, then is by at oil feed line throttle orifice being set in the said system, and perhaps the oil mass that sprays into compressor is controlled in compresses machine oil spout aperture.
Common engineering uses the working pressure of screw air compressor all more than 7bar, and charge oil pressure generally only needs about 1bar, among Fig. 1, lubricant oil flows out the process of process deaerator, thermostatic valve, oil cooler, oil strainer from safety check, the pressure of its lubricant oil is depressured to 1bar by 7bar by throttling, the flow velocity of oil is enhanced, and the energy of its generation all is consumed in system, has caused the waste of energy thus.
Summary of the invention
At the problems referred to above, the utility model provides a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system, and it can recycle the fuel injection helical lobe compressor lubricant oil pressure energy, makes energy not be wasted, and realizes energy-saving and cost-reducing.
A kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system, its technological scheme is such: it comprises air intake filter, motor, compressor, safety check, oil strainer, thermostatic valve, deaerator, minimum pressure valve, oil cooler, the gas cooler, gas-liquid separator, fan, the described compressor of the pipeline connection of described air intake filter, described compressor is by described motoring, the injection tubing of described compressor is equipped with the import that is communicated to described deaerator behind the described safety check, minimum pressure valve is equipped with at the top of described deaerator, the internal high pressure lubricant oil of described deaerator is by feeding described oil cooler behind the described thermostatic valve of pipeline connection, the outlet of described oil cooler connects the filler opening of connecting described compressor behind the described oil strainer by pipeline, pressurized gas enter into described gas cooler by described minimum pressure valve, the outlet of described gas cooler is communicated to described gas-liquid separator, described oil cooler, the cooling unit of gas cooler is fan, it is characterized in that: the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting oil hydraulic motor by pipeline again, the parts that described fluid motor-driven need turn round, described oil hydraulic motor are specially the oil hydraulic motor that can realize the high rotating speed output of low moment of torsion.
It is further characterized in that:
The power source of described fan is specially the fan oil hydraulic motor, and the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting described fan oil hydraulic motor by pipeline again;
Described compressor is circumscribed with the compressor oil hydraulic motor, and the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting described compressor oil hydraulic motor by pipeline again; The power source of described fan is fan electromotor; The male rotor of described compressor oil hydraulic motor and described compressor has same rotating speed, be in power output state for guaranteeing described compressor oil hydraulic motor this moment, and the compressor oil hydraulic motor needed driving oil mass that turns round is normally moved needed oil mass with described compressor and equated;
The power source of described fan is specially the fan oil hydraulic motor, described compressor is circumscribed with the compressor oil hydraulic motor, be provided with the pipeline of two sections parallel connections between the import of the lubricated oil outlet of the internal high pressure of described deaerator and described thermostatic valve, wherein one road pipeline connects described fan oil hydraulic motor, and another road pipeline connects described compressor oil hydraulic motor; The male rotor of described compressor oil hydraulic motor and described compressor has same rotating speed, be in power output state for guaranteeing described compressor oil hydraulic motor this moment, and the described compressor oil hydraulic motor needed driving oil mass that turns round equals half of the needed oil mass of the normal operation of described compressor.
After adopting said structure of the present utility model, the energy that originally is consumed purely in system is used as the power source of oil hydraulic motor, and then drives the parts that need running, and it can recycle the fuel injection helical lobe compressor lubricant oil pressure energy, make energy not be wasted, realize energy-saving and cost-reducing.
Description of drawings
Fig. 1 is the work system schematic block diagram of existing air-cooled helical-lobe compressor;
Fig. 2 is the schematic block diagram of specific embodiment of the utility model one;
Fig. 3 is the schematic block diagram of specific embodiment of the utility model two;
Fig. 4 is the schematic block diagram of specific embodiment of the utility model three.
Embodiment
See Fig. 2, Fig. 3, Fig. 4, it comprises air intake filter 1, motor 2, compressor 3, safety check 4, oil strainer 5, thermostatic valve 6, deaerator 7, minimum pressure valve 8, oil cooler 9, gas cooler 10, gas-liquid separator 11, fan 12, the pipeline connection compressor 3 of air intake filter 1, compressor 3 drives by motor 2, the injection tubing of compressor 3 is equipped with the import that is communicated to deaerator 7 behind the safety check 4, minimum pressure valve 8 is equipped with at the top of deaerator 7, the internal high pressure lubricant oil of deaerator 7 feeds oil cooler 9 by pipeline connection thermostatic valve 6 backs, the outlet of oil cooler 9 connects the filler opening that compressor 3 is connected in oil strainer 5 backs by pipeline, pressurized gas enter into gas cooler 10 by minimum pressure valve 8, the outlet of gas cooler 10 is communicated to gas-liquid separator 11, oil cooler 9, the cooling unit of gas cooler 10 is fan 12, the internal high pressure lubricant oil of deaerator 7 is connected to thermostatic valve 6 after connecting oil hydraulic motor by pipeline again, the parts that fluid motor-driven need turn round, oil hydraulic motor are specially the oil hydraulic motor that can realize the high rotating speed output of low moment of torsion.Solid line is lubricant oil oil circuit pipe among the figure, and dotted line is the gas circuit pipe.
Specific embodiment one, see Fig. 2, the power source of fan 12 is specially fan oil hydraulic motor 14, compressor 3 is circumscribed with compressor oil hydraulic motor 15, be provided with the pipeline 16,17 of two sections parallel connections between the import of the lubricated oil outlet of the internal high pressure of deaerator 7 and thermostatic valve 6, wherein one road pipeline 16 connects fan oil hydraulic motor 14, and another road pipeline 17 connects compressor oil hydraulic motor 15.An energy part that originally is consumed purely in system is used as the power source of fan oil hydraulic motor 14, drives fan 12 and rotates; Another part is used as the power source of compressor oil hydraulic motor 15, with motor 2 common drive compression machine 3 together, compressor oil hydraulic motor 15 has same rotating speed with the male rotor of compressor 3, be in power output state for guaranteeing compressor oil hydraulic motor 15 this moment, and the needed driving oil mass of compressor oil hydraulic motor 15 runnings equals half of the needed oil mass of compressor 3 normal operations.
Specific embodiment two is seen Fig. 3, and compressor 3 is circumscribed with compressor oil hydraulic motor 15, and the internal high pressure lubricant oil of deaerator 7 is connected to thermostatic valve 6 after connecting compressor oil hydraulic motor 15 by pipeline again; The power source of fan 12 is fan electromotor 13.The energy that originally is consumed purely in system is used as the power source of compressor oil hydraulic motor 15, with motor 2 common drive compression machine 3 together, compressor oil hydraulic motor 15 has same rotating speed with the male rotor of compressor 3, be in power output state for guaranteeing compressor oil hydraulic motor 15 this moment, and the needed driving oil mass of compressor oil hydraulic motor 15 runnings equates with the needed oil mass of compressor 3 normal operations.
Specific embodiment three, see Fig. 4: the power source of fan 12 is specially fan oil hydraulic motor 14, and the internal high pressure lubricant oil of deaerator 7 is connected to thermostatic valve 6 after connecting fan oil hydraulic motor 14 by pipeline again.The energy that originally is consumed purely in system is used as the power source of fan oil hydraulic motor 14, drives fan 12 and rotates.
Claims (6)
1. fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system, it comprises air intake filter, motor, compressor, safety check, oil strainer, thermostatic valve, deaerator, minimum pressure valve, oil cooler, the gas cooler, gas-liquid separator, fan, the described compressor of the pipeline connection of described air intake filter, described compressor is by described motoring, the injection tubing of described compressor is equipped with the import that is communicated to described deaerator behind the described safety check, minimum pressure valve is equipped with at the top of described deaerator, the internal high pressure lubricant oil of described deaerator is by feeding described oil cooler behind the described thermostatic valve of pipeline connection, the outlet of described oil cooler connects the filler opening of connecting described compressor behind the described oil strainer by pipeline, pressurized gas enter into described gas cooler by described minimum pressure valve, the outlet of described gas cooler is communicated to described gas-liquid separator, described oil cooler, the cooling unit of gas cooler is fan, it is characterized in that: the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting oil hydraulic motor by pipeline again, the parts that described fluid motor-driven need turn round, described oil hydraulic motor are specially the oil hydraulic motor that can realize the high rotating speed output of low moment of torsion.
2. a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system according to claim 1, it is characterized in that: the power source of described fan is specially the fan oil hydraulic motor, and the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting described fan oil hydraulic motor by pipeline again.
3. a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system according to claim 1, it is characterized in that: described compressor is circumscribed with the compressor oil hydraulic motor, and the internal high pressure lubricant oil of described deaerator is connected to described thermostatic valve after connecting described compressor oil hydraulic motor by pipeline again; The power source of described fan is fan electromotor.
4. a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system according to claim 3, it is characterized in that: the male rotor of described compressor oil hydraulic motor and described compressor has same rotating speed, be in power output state for guaranteeing described compressor oil hydraulic motor this moment, and the compressor oil hydraulic motor needed driving oil mass that turns round is normally moved needed oil mass with described compressor and equated.
5. a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system according to claim 1, it is characterized in that: the power source of described fan is specially the fan oil hydraulic motor, described compressor is circumscribed with the compressor oil hydraulic motor, be provided with the pipeline of two sections parallel connections between the import of the lubricated oil outlet of the internal high pressure of described deaerator and described thermostatic valve, wherein one road pipeline connects described fan oil hydraulic motor, and another road pipeline connects described compressor oil hydraulic motor.
6. a kind of fuel injection helical lobe compressor lubricant oil pressure energy reclaiming system according to claim 5, it is characterized in that: the male rotor of described compressor oil hydraulic motor and described compressor has same rotating speed, be in power output state for guaranteeing described compressor oil hydraulic motor this moment, and the described compressor oil hydraulic motor needed driving oil mass that turns round equals half of the needed oil mass of the normal operation of described compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665903 CN203067291U (en) | 2012-12-06 | 2012-12-06 | Lubricating oil pressure energy recovery system of oil-injected screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665903 CN203067291U (en) | 2012-12-06 | 2012-12-06 | Lubricating oil pressure energy recovery system of oil-injected screw compressor |
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| Publication Number | Publication Date |
|---|---|
| CN203067291U true CN203067291U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665903 Withdrawn - After Issue CN203067291U (en) | 2012-12-06 | 2012-12-06 | Lubricating oil pressure energy recovery system of oil-injected screw compressor |
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| CN (1) | CN203067291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996455A (en) * | 2012-12-06 | 2013-03-27 | 无锡压缩机股份有限公司 | Oil injection screw compressor lubrication pressure energy recovery system |
| CN107457288A (en) * | 2017-10-17 | 2017-12-12 | 董杰 | A kind of bender stop gauge based on industrial machinery |
-
2012
- 2012-12-06 CN CN 201220665903 patent/CN203067291U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996455A (en) * | 2012-12-06 | 2013-03-27 | 无锡压缩机股份有限公司 | Oil injection screw compressor lubrication pressure energy recovery system |
| CN102996455B (en) * | 2012-12-06 | 2015-05-06 | 无锡压缩机股份有限公司 | Oil injection screw compressor lubrication pressure energy recovery system |
| CN107457288A (en) * | 2017-10-17 | 2017-12-12 | 董杰 | A kind of bender stop gauge based on industrial machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150506 |
|
| RGAV | Abandon patent right to avoid regrant |