CN109751500B - General oil transport filter for large unit - Google Patents
General oil transport filter for large unit Download PDFInfo
- Publication number
- CN109751500B CN109751500B CN201910065510.XA CN201910065510A CN109751500B CN 109751500 B CN109751500 B CN 109751500B CN 201910065510 A CN201910065510 A CN 201910065510A CN 109751500 B CN109751500 B CN 109751500B
- Authority
- CN
- China
- Prior art keywords
- flange
- cylinder body
- inlet
- screen
- filter
- 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
- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000011010 flushing procedure Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 12
- 239000010813 municipal solid waste Substances 0.000 claims description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 23
- 239000012535 impurity Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
Abstract
The invention discloses a general oil-carrying filter for a large unit, which comprises an upper cover, a cylinder and a base, wherein the cylinder is provided with an inlet and an outlet, a conical partition plate is arranged in the cylinder, the top of the conical partition plate is connected with a flange, the conical partition plate and the flange divide the inside of the cylinder into an upper cavity and a lower cavity, the inlet is positioned in the upper cavity of the cylinder and is lower than the flange, the outlet is positioned in the lower cavity of the cylinder and is close to the bottom of the cylinder, the flange comprises an upper flange and a lower flange, a screen and a filter screen I are arranged between the upper flange and the lower flange, the screen is fixed on the lower flange, and the filter screen I is arranged between the screen and the upper flange. The filter has simple structure and convenient use. The filter screen I is paved on the screen and fixed through the flange, so that the filter screen I is convenient to replace, the service life of the filter screen I can be prolonged, and the filter inlet and outlet pressure difference is prevented from being broken down by a medium when the pressure difference is large.
Description
Technical Field
The invention relates to a filter, in particular to a general oil-carrying filter for a large unit.
Background
The cleaning and flushing (oil transportation) of the turbine, the compressor, the smoke machine, the expansion machine, the hydraulic oil station and other units, namely the large unit for short, and the oil tank after initial installation and large overhaul, comprising a high-level oil tank, an oil pipeline, an equipment oil passing part and a bearing box, are key to whether the equipment can be successfully tested and whether the equipment can be operated for a long time after being started. The conventional oil transportation mode generally collects lubricating oil at each oil return point of the equipment into an oil return main pipe of an oil tank of the equipment, and then a filter screen is additionally arranged between the oil return main pipe and an inlet of the oil tank, so that the aim of recovering harmful impurities in the lubricating oil is fulfilled. However, the method has the defects of small filtering area, failure or damage of the filter screen, high consumption of the polytetrafluoroethylene gasket and the filter screen, slow oil return speed, oil leakage and the like. Once the filter screen is broken or the operation is wrong, dirty oil and the filter screen are easy to directly enter the oil tank, so that the dirty oil and the filter screen can be completely discarded.
Disclosure of Invention
The invention aims to overcome the defects existing in the prior art and provides a general oil filter for a large unit.
In order to achieve the above object, the technical scheme of the present invention is as follows: the utility model provides a general oil fortune filter of big unit which characterized in that: comprises an upper cover, a cylinder body and a base, wherein the cylinder body is fixed on the base, the upper cover and the cylinder body are fastened through bolts and U-shaped nuts, the cylinder body is provided with an inlet and an outlet, the top of the upper cover is provided with a pressure guiding pipe I and a vent pipe, the pressure guiding pipe I is connected with a pressure gauge I, the pressure guiding pipe I and the vent pipe are respectively provided with a valve, a conical partition plate is arranged in the cylinder body, the top of the conical partition plate is connected with a flange, the conical partition plate and the flange divide the inner part of the cylinder body into an upper cavity and a lower cavity, the inlet is positioned in the upper cavity of the cylinder body and is lower than the flange, the outlet is positioned in the lower cavity of the cylinder body and is close to the bottom of the cylinder body,
the flange includes flange and lower flange, it is fastened through bolt and U-shaped nut to go up flange and lower flange, be equipped with screen cloth and filter screen I between flange and the lower flange, the screen cloth is fixed on the lower flange by countersunk head screw, lower flange upper surface is equipped with annular seal groove III, nested sealing washer III in the seal groove III, it is sealed through sealing washer III between screen cloth and the lower flange, filter screen I locates between screen cloth and the upper flange, upper flange lower surface and screen cloth upper surface crisscross 3 annular seal grooves I that are equipped with from top to bottom, nested sealing washer I in the seal groove I, it is sealed through sealing washer I between filter screen I and the upper flange and the screen cloth.
Further; the bolt fastening upper cover and barrel is the slipknot bolt, the slipknot bolt cup joints the locating pin and passes through locating pin connection barrel, the terminal surface is equipped with the location draw-in groove under the barrel top periphery, the locating pin is arranged in the location draw-in groove and is fixed through the jackscrew, be connected with the hinge between upper cover and the barrel.
Further; the cylinder is provided with an annular sealing groove II on the end face connected with the upper cover, a sealing ring II is nested in the sealing groove II, the cylinder is sealed with the upper cover through the sealing ring II, the lower end of the sealing groove II is communicated with an L-shaped channel, and the other end of the L-shaped channel is communicated with the inner cavity of the cylinder.
Further; the inlet and the outlet are arranged in pairs, the bottom of the cylinder body is an inclined plane, and the direction from the inlet to the outlet is inclined from high to low.
Further; the novel filter is characterized in that a trash discharging pipeline and a communication bypass are arranged on the barrel, the trash discharging pipeline inlet is located in the upper cavity of the barrel and is close to the bottom of the conical partition board, the trash discharging pipeline inlet is located right below the barrel inlet, a valve is arranged on the trash discharging pipeline, the communication bypass and the trash discharging pipeline are oppositely arranged, the communication bypass inlet is located in the upper cavity of the barrel and is lower than the upper flange, the communication bypass outlet is located in the lower cavity of the barrel, a filter screen II is arranged on the communication bypass, and the valve is arranged above the filter screen II.
Further; the communication bypass inlet line and the outlet line are both inclined upward.
Further; the cylinder is provided with a flushing pipeline, the flushing pipeline is connected with an oil gun, an inlet of the flushing pipeline is positioned in a lower cavity of the cylinder, and a valve is arranged on the flushing pipeline.
Further; the flushing pipeline inlet is connected with the flushing pipeline valve through a pressure guiding pipe II, and the pressure guiding pipe II is provided with a valve.
The invention has the beneficial effects that: the filter has simple structure and convenient use. The filter screen I is paved on the screen and fixed through the flange, so that the filter screen I is convenient to replace, the service life of the filter screen I can be prolonged, and the filter inlet and outlet pressure difference is prevented from being broken down by a medium when the pressure difference is large. The design of the conical partition plate in the cylinder body can deposit impurities in advance, so that the oil transportation time is shortened.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is an enlarged schematic view of the structure of B in FIG. 1;
fig. 4 is a view showing the structure of the C-C direction cylinder in fig. 1.
In the figure: 1. upper cover, 2, barrel, 3, base, 4, slipknot bolt, 5, inlet, 6, outlet, 7, conical partition, 8, flange, 11, pressure guiding pipe I, 12, vent pipe, 13, pressure gauge I, 14, locating pin, 15, locating clamping groove, 16, jackscrew, 17, hinge, 21, seal groove II, 22, seal groove II, 23, L-shaped channel, 24, trash discharging pipeline, 25, communication bypass, 26, filter screen II, 27, flushing pipeline, 28, oil gun, 29, pressure guiding pipe II, 30, pressure gauge II, 81, upper flange, 82, lower flange, 83, bolt, 84, screen, 85, filter screen I, 86, countersunk screw, 87, seal groove I, 88, seal groove I, 89, seal groove III, 90, seal groove III.
Detailed Description
Examples:
as shown in fig. 1, the general oil-carrying filter for the large unit comprises an upper cover 1, a cylinder body 2 and a base 3, wherein the cylinder body 2 is fixed on the base 3, the upper cover 1 and the cylinder body 2 are fastened through a slipknot bolt 4 and a U-shaped nut, the slipknot bolt 4 is sleeved with a locating pin 14 and is connected with the cylinder body 2 through the locating pin 14, the lower end face of the periphery of the top of the cylinder body 2 is provided with a locating clamping groove 15, the locating pin 14 is arranged in the locating clamping groove 15 and is fixed through a jackscrew 16, a hinge 17 is connected between the upper cover and the cylinder body 2 of the 1, and when the upper cover 1 is opened, the opening angle of the upper cover 1 can be limited under the action of the hinge 17.
The cylinder 2 is provided with an annular sealing groove II 21 on the end surface connected with the upper cover 1, a sealing ring II 22 is nested in the sealing groove II 21, the cylinder 2 and the upper cover 1 are sealed through the sealing ring II 22, the lower end of the sealing groove II 22 is communicated with an L-shaped channel 23, and the other end of the L-shaped channel 23 is communicated with the inner cavity of the cylinder 2.
The top of the upper cover 1 is provided with a pressure guiding pipe I11 and a vent pipe 12, the pressure guiding pipe I11 is connected with a pressure gauge I13, valves are arranged on the pressure guiding pipe I11 and the vent pipe 12, the cylinder 2 is provided with an inlet 5 and an outlet 6, the inlet 5 and the outlet 6 are oppositely arranged, the bottom of the cylinder 2 is an inclined plane, the direction from the inlet 5 to the outlet 6 is inclined from high to low, a conical partition 7 is arranged in the cylinder 2, the top of the conical partition 7 is connected with a flange 8, the conical partition 7 and the flange 8 divide the inner part of the cylinder 2 into an upper cavity and a lower cavity, the inlet 5 is positioned in the upper cavity of the cylinder 2 and is lower than the flange 8, the outlet 6 is positioned in the lower cavity of the cylinder 2 and is close to the bottom of the cylinder 2,
the flange 8 comprises an upper flange 81 and a lower flange 82, the upper flange 81 and the lower flange 82 are fastened through bolts 83 and U-shaped nuts, a screen 84 and a filter screen I85 are arranged between the upper flange 81 and the lower flange 82, the screen 84 is fixed on the lower flange 82 through countersunk screws 86, an annular seal groove III 89 is formed in the upper surface of the lower flange 82, a seal ring III 90 is nested in the seal groove III 89, the screen 84 is sealed with the lower flange 82 through the seal ring III 89, the filter screen I85 is arranged between the screen 84 and the upper flange 81, 3 annular seal grooves I87 are arranged on the lower surface of the upper flange 81 and the upper surface of the screen 84 in an up-down staggered mode, a seal ring I88 is nested in the seal groove I87, and the filter screen I85 is sealed with the upper flange 81 and the screen 84 through the seal ring I88.
The impurity removing pipeline 24, the communication bypass 25 and the flushing pipeline 27 are arranged on the cylinder 2, the inlet of the impurity removing pipeline 24 is positioned in the upper cavity of the cylinder 2 and is close to the bottom of the conical partition 7, the inlet of the impurity removing pipeline 24 is positioned right below the inlet 5 of the cylinder 2, and the impurity removing pipeline 24 is provided with a valve. The communication bypass 25 is arranged opposite to the impurity discharging pipeline 24, the inlet of the communication bypass 25 is positioned in the upper cavity of the cylinder 2 and is lower than the upper flange 81, the outlet of the communication bypass 25 is positioned in the lower cavity of the cylinder 2, a filter screen II 26 is arranged on the communication bypass 25, a valve is arranged above the filter screen II 26, and pipelines near the inlet and pipelines near the outlet of the communication bypass 25 are inclined upwards. The flushing pipeline 27 is connected with the oil gun 28, an inlet of the flushing pipeline 27 is positioned in the lower cavity of the cylinder body 2, a valve is arranged on the flushing pipeline 27, the inlet of the flushing pipeline 27 is connected with the valve of the flushing pipeline 27 through a pressure guiding pipe II 29, and the pressure guiding pipe II 29 is provided with a valve.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (5)
1. The utility model provides a general oil fortune filter of big unit which characterized in that: comprises an upper cover, a cylinder body and a base, wherein the cylinder body is fixed on the base, the upper cover and the cylinder body are fastened through bolts and U-shaped nuts, the cylinder body is provided with an inlet and an outlet, the top of the upper cover is provided with a pressure guiding pipe I and a vent pipe, the pressure guiding pipe I is connected with a pressure gauge I, the pressure guiding pipe I and the vent pipe are respectively provided with a valve, a conical partition plate is arranged in the cylinder body, the top of the conical partition plate is connected with a flange, the conical partition plate and the flange divide the inner part of the cylinder body into an upper cavity and a lower cavity, the inlet is positioned in the upper cavity of the cylinder body and is lower than the flange, the outlet is positioned in the lower cavity of the cylinder body and is close to the bottom of the cylinder body,
the flange comprises an upper flange and a lower flange, the upper flange and the lower flange are fastened through bolts and U-shaped nuts, a screen and a filter screen I are arranged between the upper flange and the lower flange, the screen is fixed on the lower flange through countersunk screws, the upper surface of the lower flange is provided with an annular seal groove III, a seal ring III is nested in the seal groove III, the screen and the lower flange are sealed through the seal ring III, the filter screen I is arranged between the screen and the upper flange, 3 annular seal grooves I are arranged on the lower surface of the upper flange and the upper surface of the screen in a staggered manner, the seal ring I is nested in the seal groove I, the filter screen I is sealed with the upper flange and the screen through the seal ring I,
the bolt for fastening the upper cover and the cylinder body is a slipknot bolt, the slipknot bolt is sleeved with a positioning pin and is connected with the cylinder body through the positioning pin, the lower end surface of the periphery of the top of the cylinder body is provided with a positioning clamping groove, the positioning pin is arranged in the positioning clamping groove and is fixed through a jackscrew, a hinge is connected between the upper cover and the cylinder body,
the end face of the cylinder body connected with the upper cover is provided with an annular sealing groove II, a sealing ring II is nested in the sealing groove II, the cylinder body is sealed with the upper cover through the sealing ring II, the lower end of the sealing groove II is communicated with an L-shaped channel, the other end of the L-shaped channel is communicated with the inner cavity of the cylinder body,
the novel filter is characterized in that a trash discharging pipeline and a communication bypass are arranged on the barrel, the trash discharging pipeline inlet is located in the upper cavity of the barrel and is close to the bottom of the conical partition board, the trash discharging pipeline inlet is located right below the barrel inlet, a valve is arranged on the trash discharging pipeline, the communication bypass and the trash discharging pipeline are oppositely arranged, the communication bypass inlet is located in the upper cavity of the barrel and is lower than the upper flange, the communication bypass outlet is located in the lower cavity of the barrel, a filter screen II is arranged on the communication bypass, and the valve is arranged above the filter screen II.
2. The large unit general oil transport filter of claim 1, wherein: the inlet and the outlet are arranged in pairs, the bottom of the cylinder body is an inclined plane, and the direction from the inlet to the outlet is inclined from high to low.
3. The large unit general oil transport filter of claim 1, wherein: the communication bypass inlet line and the outlet line are both inclined upward.
4. The large unit general oil transport filter of claim 1, wherein: the cylinder is provided with a flushing pipeline, the flushing pipeline is connected with an oil gun, an inlet of the flushing pipeline is positioned in a lower cavity of the cylinder, and a valve is arranged on the flushing pipeline.
5. The large unit general oil transport filter of claim 4, wherein: the flushing pipeline inlet is connected with the flushing pipeline valve through a pressure guiding pipe II, and the pressure guiding pipe II is provided with a valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065510.XA CN109751500B (en) | 2019-01-24 | 2019-01-24 | General oil transport filter for large unit |
| PCT/CN2019/120110 WO2020151356A1 (en) | 2019-01-24 | 2019-11-22 | General oil transport filter for large unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065510.XA CN109751500B (en) | 2019-01-24 | 2019-01-24 | General oil transport filter for large unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109751500A CN109751500A (en) | 2019-05-14 |
| CN109751500B true CN109751500B (en) | 2023-10-24 |
Family
ID=66406014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065510.XA Active CN109751500B (en) | 2019-01-24 | 2019-01-24 | General oil transport filter for large unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109751500B (en) |
| WO (1) | WO2020151356A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751500B (en) * | 2019-01-24 | 2023-10-24 | 利华益维远化学股份有限公司 | General oil transport filter for large unit |
| CN110787520A (en) * | 2019-11-08 | 2020-02-14 | 招商局重工（江苏）有限公司 | Conical filter with differential pressure gauge |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210289U (en) * | 1987-07-14 | 1988-04-06 | 罗固事 | Transformer oil regenerating device while operating |
| EP1254692A1 (en) * | 2001-04-20 | 2002-11-06 | Filtrauto | Fluid filter for an automotive internal combustion engine |
| CN2887412Y (en) * | 2006-04-28 | 2007-04-11 | 黄春 | Self-cleaning filthy-filtering device |
| CN201168494Y (en) * | 2008-01-06 | 2008-12-24 | 贾守心 | Ultra-high molecular weight polyethylene filter |
| CN103100248A (en) * | 2013-02-08 | 2013-05-15 | 陈荣敏 | Flip-cover top-in-type plastic cement, glass fiber reinforced plastic all-in-one filter |
| CN105524684A (en) * | 2015-11-19 | 2016-04-27 | 中铝润滑科技有限公司 | High-temperature additive for cold rolling of aluminum, and preparation and application thereof |
| CN206198838U (en) * | 2016-11-08 | 2017-05-31 | 杭州中美埃梯梯泵业有限公司 | A kind of straight-through type filter being easy to inside observation |
| CN107376475A (en) * | 2017-08-11 | 2017-11-24 | 安徽聚合自动化工程有限公司 | A kind of straight-through type filter |
| CN108862747A (en) * | 2017-05-10 | 2018-11-23 | 创新水解决方案有限责任公司 | Wastewater treatment and solids recovery system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997047404A1 (en) * | 1996-06-13 | 1997-12-18 | Its Holdings Limited | Apparatus for attaching filter means to a frame |
| DE10063283A1 (en) * | 2000-12-19 | 2002-06-20 | Ina Schaeffler Kg | Sieve filters for fluid lines, in particular for hydraulic pressure lines in internal combustion engines |
| CN203861990U (en) * | 2014-05-09 | 2014-10-08 | 杭州化工机械有限公司 | Split-type filtering disc |
| CN204739410U (en) * | 2015-05-27 | 2015-11-04 | 重庆中节能三峰能源有限公司 | Gas turbine lubricating -oil tank |
| CN205199075U (en) * | 2015-12-01 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Removable filter screen mounting structure |
| CN206027186U (en) * | 2016-08-27 | 2017-03-22 | 四川知行路桥股份有限公司 | A trichloro ethylene extract vacuum negative pressure filtration equipment for modified asphalt measures detection |
| CN109751500B (en) * | 2019-01-24 | 2023-10-24 | 利华益维远化学股份有限公司 | General oil transport filter for large unit |
| CN209839654U (en) * | 2019-01-24 | 2019-12-24 | 利华益维远化学股份有限公司 | General oil transportation filter of big unit |
-
2019
- 2019-01-24 CN CN201910065510.XA patent/CN109751500B/en active Active
- 2019-11-22 WO PCT/CN2019/120110 patent/WO2020151356A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210289U (en) * | 1987-07-14 | 1988-04-06 | 罗固事 | Transformer oil regenerating device while operating |
| EP1254692A1 (en) * | 2001-04-20 | 2002-11-06 | Filtrauto | Fluid filter for an automotive internal combustion engine |
| CN2887412Y (en) * | 2006-04-28 | 2007-04-11 | 黄春 | Self-cleaning filthy-filtering device |
| CN201168494Y (en) * | 2008-01-06 | 2008-12-24 | 贾守心 | Ultra-high molecular weight polyethylene filter |
| CN103100248A (en) * | 2013-02-08 | 2013-05-15 | 陈荣敏 | Flip-cover top-in-type plastic cement, glass fiber reinforced plastic all-in-one filter |
| CN105524684A (en) * | 2015-11-19 | 2016-04-27 | 中铝润滑科技有限公司 | High-temperature additive for cold rolling of aluminum, and preparation and application thereof |
| CN206198838U (en) * | 2016-11-08 | 2017-05-31 | 杭州中美埃梯梯泵业有限公司 | A kind of straight-through type filter being easy to inside observation |
| CN108862747A (en) * | 2017-05-10 | 2018-11-23 | 创新水解决方案有限责任公司 | Wastewater treatment and solids recovery system |
| CN107376475A (en) * | 2017-08-11 | 2017-11-24 | 安徽聚合自动化工程有限公司 | A kind of straight-through type filter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020151356A1 (en) | 2020-07-30 |
| CN109751500A (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109751500B (en) | General oil transport filter for large unit | |
| CN203515720U (en) | Oil pan of integrated oil filter | |
| CN209839654U (en) | General oil transportation filter of big unit | |
| CN1202581A (en) | Method and device for clearing oil mist | |
| CN115505435A (en) | Gas injection and oil removal device and process for gas storage | |
| CN205190227U (en) | Compressor oil gas splitter | |
| CN110529724B (en) | Gas chamber bottom dewatering device | |
| CN107165854A (en) | Sealing Water for Feedwater Pump is automatically controlled and retracting device | |
| CN204847191U (en) | Bearing lubricating structure and screw conveyer | |
| CN111852545A (en) | Coal mine drilling gas overrun-preventing device for drilling gas drainage | |
| CN209280234U (en) | A kind of MTU956 output end housing pump pressure tool | |
| CN209130369U (en) | A kind of oil pipeline receiving ball tube automatic exhaust device | |
| CN202371421U (en) | Novel oil tank | |
| CN204284902U (en) | Natural gas steam trap | |
| CN216043867U (en) | Low-negative-pressure automatic deslagging and water draining device for mine gas extraction pipeline | |
| CN205776507U (en) | Pump pressurizer in pipe | |
| CN203499604U (en) | Silt remover for drilling fluid | |
| CN220049383U (en) | Large-scale hydroelectric set lower frame greasy dirt collecting system | |
| CN219775094U (en) | Pipeline sealing structure of air compressor | |
| CN216710374U (en) | Safe overflow arrangement of chemical industry storage tank | |
| CN112797144B (en) | Oil saving device for sealing shaft head of reduction gearbox of oil pumping unit | |
| CN220620283U (en) | Intelligent automatic water pump station | |
| CN215649159U (en) | Waste discharging device of rice washer | |
| CN217271185U (en) | Hydraulic oil water cooling device of rotary drill rig | |
| CN212250486U (en) | Vertical cooling spray device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |