CN212523431U - Oil supply device without oil smoke discharge for turbo expander - Google Patents
Oil supply device without oil smoke discharge for turbo expander Download PDFInfo
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- CN212523431U CN212523431U CN202020857172.1U CN202020857172U CN212523431U CN 212523431 U CN212523431 U CN 212523431U CN 202020857172 U CN202020857172 U CN 202020857172U CN 212523431 U CN212523431 U CN 212523431U
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- oil
- filter element
- fan
- motor
- gas
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- 239000000779 smoke Substances 0.000 title claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000012209 synthetic fiber Substances 0.000 claims description 19
- 229920002994 synthetic fiber Polymers 0.000 claims description 19
- 238000004581 coalescence Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 94
- 239000007789 gas Substances 0.000 description 38
- 239000003517 fume Substances 0.000 description 7
- 239000003595 mist Substances 0.000 description 6
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an oil supply device without oil smoke discharge for a turbo expander, which comprises an oil-gas separator; the oil-gas separator comprises an outer shell, an exhaust fan, an oil-gas pipeline, an oil return pipeline, a motor, a fan and a filter element, wherein the motor, the fan and the filter element are arranged in the outer shell; the fan is driven to rotate by the motor and is positioned inside the filter element; the motor is positioned outside the filter element; the oil smoke pipeline is communicated with the inside of the filter element, and high-temperature oil smoke generated by the work of the turbine expander can be sucked into the filter element through the rotation of the fan to carry out oil-gas separation; the oil return pipeline is arranged on the outer shell and communicated with the oil tank so as to return the separated oil liquid into the oil tank; the utility model realizes oil-gas separation by a way that the motor drives the fan to rotate to generate negative pressure, so that oil liquid flows back to the oil tank through the oil return pipeline for reuse, and clean gas is discharged into the atmosphere by the high-efficiency fan; the oil-gas separation effect is obvious, and the condition of black smoke discharge can not occur, thereby protecting the environment.
Description
Technical Field
The utility model relates to a turbo expander is with oil supply unit that no oil smoke discharged.
Background
The turboexpander is a key single machine in the air separation equipment, provides almost all cold energy in the air separation equipment, and directly determines the energy consumption and the reliability of the air separation equipment by the performance of the turboexpander; at present, in air separation equipment, most matched turboexpanders are lubricated by oil bearings, and the turboexpanders have the advantages of convenience in operation, stability in operation, large bearing capacity and suitability for operation under various working conditions.
The oil supply device generally comprises an oil pump, an oil tank, an oil inlet filter, a one-way valve, a safety valve, an oil-water cooler, a double-cylinder oil filter, an energy accumulator, an oil return observer, an oil-gas separator, an electric heater, a valve and the like; wherein the oil-gas separator is a key component; in recent years, with the rapid development of national industry, great industrial pollution is brought, particularly, with the increase of PM2.5 pollutants in air, the number of haze weathers is more and more, and the life quality of people is seriously influenced; the country pays more and more attention to the environmental protection, a series of regulations are continuously issued, and higher requirements are put forward on the discharge of industrial liquid and gas.
In the existing oil-gas separators, some sponge is filled in the oil-gas separator to be used as a filter screen, but the sponge filter screen is easy to be blocked due to moisture, so that the oil-gas separation effect is poor, and discharged gas contains a large amount of black lubricating oil smoke, so that the vicinity of an oil supply device is blackened quickly, and the environment is seriously polluted; and after the sponge is blocked, the sponge cannot be blown off and cleaned and then reused, so that the cost is high; there is also a method of spray separation and stainless steel wire mesh filtration, as shown in fig. 1, the oil fume enters into the oil-gas separator 1 from the oil fume pipeline 5, a pressure gas with a pressure of about 2bar is introduced from the process gas, the pressure gas is injected into the oil-smoke mixed gas at high speed through the air inlet pipeline 11 by the throttle valve, the injected cold air flow can cool and separate hot oil-smoke gas, the gas is enabled to move upwards, the cooled liquid drops float downwards, the liquid drops are stuck by a wire mesh and then flow downwards after encountering a stainless steel wire mesh with a high mesh number, and finally the liquid drops are gathered at the bottom of the oil-gas separator, the oil-gas separator flows back to the oil tank through the oil return pipe 6, and the oil-gas separator has the advantages that no obvious oil smoke exists in the discharge pipe when the oil-gas separator is used in a small turbo expander, however, as soon as the rotation speed is increased or the pressure and the shape of the turboexpander are slightly larger, the black smoke discharge phenomenon is more obvious.
For this reason, we have developed an oil supply device for a turbo expander without oil smoke discharge.
Disclosure of Invention
The utility model aims at providing an oil supply unit that no oil smoke discharged for turbo expander in order to overcome prior art not enough.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an oil supply device without oil smoke discharge for a turbo expander comprises an oil-gas separator; the oil-gas separator comprises an outer shell, an exhaust fan, an oil-gas pipeline, an oil return pipeline, a motor, a fan and a filter element, wherein the motor, the fan and the filter element are arranged in the outer shell; the fan is driven to rotate by the motor and is positioned inside the filter element; the motor is positioned outside the filter element; the oil smoke pipeline is used for discharging oil smoke generated by the work of the turbo expander and communicating the oil smoke to the inside of the filter element, and high-temperature oil smoke generated by the work of the turbo expander can be sucked into the filter element through the rotation of the fan to carry out oil-gas separation; the oil return pipeline is arranged on the outer shell and communicated with the oil tank so as to return the separated oil liquid into the oil tank.
Preferably, the filter element is a coalescing synthetic fiber separation filter element.
Preferably, the oil return pipeline is arranged at the bottom of the outer shell.
Preferably, the oil fume duct communicates from a central portion of the bottom of the coalescing synthetic fiber separation cartridge to the interior of the coalescing synthetic fiber separation cartridge.
Preferably, the motor is located above the fan and is arranged vertically.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the oil supply device for the turboexpander without oil smoke discharge realizes oil-gas separation in a mode that the motor drives the fan to rotate to generate negative pressure, so that oil flows back into the oil tank through the oil return pipeline for recycling, and clean gas is discharged into the atmosphere by the high-efficiency fan; the oil-gas separation effect is obvious, and the condition of black smoke discharge can not occur, thereby protecting the environment.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic diagram of a prior art spray filter type oil-gas separator;
fig. 2 is a first angle enlarged schematic view of an oil-gas separator of an oil supply device for a turbo expander without oil smoke discharge according to the present invention;
fig. 3 is a second enlarged schematic view of an oil-gas separator of the oil supply device for a turbo expander without oil smoke discharge according to the present invention;
FIG. 4 is a schematic view of a smokeless oil supply device for a turboexpander according to the present invention;
wherein: 1. an oil-gas separator; 2. a motor; 3. a fan; 4. coalescing synthetic fiber separation cartridges; 5. an oil smoke pipeline; 6. an oil return conduit; 7. an oil tank; 11. an air inlet duct.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2-4, the oil supply device for a turbo expander without oil smoke discharge of the present invention includes an oil pump, an oil tank 7, an oil inlet filter, a check valve, a safety valve, an oil-water cooler, a dual-cylinder oil filter, an energy accumulator, an oil return observer, an oil-gas separator 1, an electric heater, a valve, and other components; the oil-gas separator 1 comprises an outer shell, an oil-gas pipeline 5, an oil return pipeline 6, an exhaust fan, a motor 2, a fan 3 and a coalescence type synthetic fiber separation filter element 4, wherein the motor, the fan 3 and the coalescence type synthetic fiber separation filter element are arranged in the outer shell; the fan 3 is driven to rotate at a high speed by the motor 2 vertically arranged above the fan and is positioned inside the coalescence type synthetic fiber separation filter element 4; the motor 2 is positioned outside the coalesced synthetic fiber separation filter element 4; the oil smoke pipeline 5 is used for discharging oil smoke generated by the work of the turboexpander, and is communicated to the inside of the coalescence type synthetic fiber separation filter element 4 from the central part of the bottom of the coalescence type synthetic fiber separation filter element 4; when the motor 2 drives the coaxial fan 3 to rotate, a large negative pressure environment is generated in the coalescence type synthetic fiber separation filter element 4, the temperature is correspondingly reduced, so that high-temperature oil fume generated by the turbo expander can be sucked into the coalescence type synthetic fiber separation filter element 4 through the oil fume pipeline 5, then the oil fume in the oil fume is changed into oil mist when being cooled, the oil mist is thrown onto the coalescence type synthetic fiber separation filter element 4 in a centrifugal mode under the driving of cyclone, the coalescence type synthetic fiber separation filter element 4 has strong adsorption capacity on liquid, after the oil mist is thrown onto the coalescence type synthetic fiber separation filter element 4, the oil mist is gradually coalesced outwards from an inner layer from 'tiny oil drops' until the oil drops are formed on an outermost layer, and the oil drops are adsorbed on an outer layer framework and continuously slide downwards under the action of gravity to be gathered at the bottom of the outer shell; the oil return pipeline 6 is positioned at the bottom of the outer shell and is communicated with the oil tank 7, and a certain oil height is arranged in the oil return pipeline 6; when the height of the oil gathered at the bottom of the outer shell and the height of the original oil collected by the oil return pipeline 6 are enough to balance the negative pressure in the oil tank, the oil can flow back to the oil tank 7 through the oil return pipeline 6, and the separated clean gas is discharged to the atmosphere by the exhaust fan.
When the oil mist is thrown onto the coalescence type synthetic fiber separation filter element 4, the oil mist is gradually coalesced outwards from the inner layer until oil drops are formed on the outermost layer and adsorbed on the outer layer framework, and continuously slides downwards under the action of gravity and is gathered at the bottom of the outer shell; when the height of the collected oil and the height of the original collected oil in the oil return pipeline 6 are enough to balance the negative pressure in the oil tank, the oil can flow back to the oil tank 7 through the oil return pipeline 6, and the separated clean gas is discharged to the atmosphere through the exhaust fan, so that the oil-gas separation can be completed; if the rotating speed of the turboexpander is increased and the oil smoke is increased, the rotating speed of the motor 2 can be increased through the remote controller, and the power is increased, so that the requirement of oil smoke-free emission can be met.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the oil supply device for the turboexpander without oil smoke discharge realizes oil-gas separation by a mode that the motor 2 drives the fan 3 to rotate to generate negative pressure, so that oil flows back to the oil tank 7 through the oil return pipeline 6 for reuse, and clean gas is discharged into the atmosphere by the high-efficiency fan; the oil-gas separation effect is obvious, the condition of black smoke discharge can not occur, and then the environment is protected.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. An oil supply device without oil smoke discharge for a turbo expander comprises an oil-gas separator; the method is characterized in that: the oil-gas separator comprises an outer shell, an exhaust fan, an oil-gas pipeline, an oil return pipeline, a motor, a fan and a filter element, wherein the motor, the fan and the filter element are arranged in the outer shell; the fan is driven to rotate by the motor and is positioned inside the filter element; the motor is positioned outside the filter element; the oil smoke pipeline is used for discharging oil smoke generated by the work of the turbo expander and communicating the oil smoke to the inside of the filter element, and high-temperature oil smoke generated by the work of the turbo expander can be sucked into the filter element through the rotation of the fan to carry out oil-gas separation; the oil return pipeline is arranged on the outer shell and communicated with the oil tank so as to return the separated oil liquid into the oil tank.
2. The oil supply device for a turboexpander without soot discharge according to claim 1, wherein: the filter element is a coalescence type synthetic fiber separation filter element.
3. The oil supply device for a turboexpander without soot discharge according to claim 1, wherein: the oil return pipeline is arranged at the bottom of the outer shell.
4. The oil supply device for a turboexpander without soot discharge according to claim 1, wherein: the oil smoke pipe is communicated from the center part of the bottom of the coalescence type synthetic fiber separation filter element to the inside of the coalescence type synthetic fiber separation filter element.
5. The oil supply device for a turboexpander without soot discharge according to claim 1, wherein: the motor is located fan top and vertical setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857172.1U CN212523431U (en) | 2020-05-21 | 2020-05-21 | Oil supply device without oil smoke discharge for turbo expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857172.1U CN212523431U (en) | 2020-05-21 | 2020-05-21 | Oil supply device without oil smoke discharge for turbo expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523431U true CN212523431U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857172.1U Active CN212523431U (en) | 2020-05-21 | 2020-05-21 | Oil supply device without oil smoke discharge for turbo expander |
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| Country | Link |
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| CN (1) | CN212523431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514676A (en) * | 2020-05-21 | 2020-08-11 | 苏州制氧机股份有限公司 | Oil supply device without oil smoke discharge for turbo expander |
-
2020
- 2020-05-21 CN CN202020857172.1U patent/CN212523431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514676A (en) * | 2020-05-21 | 2020-08-11 | 苏州制氧机股份有限公司 | Oil supply device without oil smoke discharge for turbo expander |
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