CN108130150B - Natural gas filter - Google Patents
Natural gas filter Download PDFInfo
- Publication number
- CN108130150B CN108130150B CN201810127255.2A CN201810127255A CN108130150B CN 108130150 B CN108130150 B CN 108130150B CN 201810127255 A CN201810127255 A CN 201810127255A CN 108130150 B CN108130150 B CN 108130150B
- Authority
- CN
- China
- Prior art keywords
- filter element
- natural gas
- cylinder body
- cylinder
- groove
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000003345 natural gas Substances 0.000 title claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 description 13
- 230000001174 ascending effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a natural gas filter, which aims to provide a natural gas filter with a quick-change filter element, and the natural gas filter has the technical scheme that the natural gas filter comprises a cylinder, an air inlet positioned at one side of the bottom of the cylinder and an air outlet positioned at the other side of the bottom of the cylinder, wherein a bearing device is further arranged on the air outlet, the bearing device comprises a round groove positioned at one end of the air outlet positioned in the cylinder and vertically upwards, a filter element positioned above the round groove, a lug positioned at the edge of the round groove and a channel matched with the lug and positioned at the bottom of the filter element, the channel comprises a notch positioned at the bottom of the filter element vertically upwards, a cross channel positioned at the edge of the filter element and communicated with the notch, and a locking groove positioned at one end of the cross channel far from the notch, and an external connecting pipe communicated with the outside of the cylinder is further arranged on the round groove.
Description
Technical Field
The invention relates to the field of natural gas equipment, in particular to a natural gas filter.
Background
The gas filter is suitable for purifying and filtering gas media (gas, artificial gas, liquefied petroleum gas and other non-corrosive gases), is widely used for gas pressure regulating stations, distribution stations, gate stations and other transmission and distribution systems, and plays an important role in normal operation of pressure regulators, flow meters, valves and other equipment in a protection system.
At present, the Chinese patent with the publication number of CN104289046B discloses a natural gas filter, which comprises a valve body, a valve cover, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe is L-shaped, the air outlet pipe is communicated with the inner cavity of the valve body, a filter element fixing rod is arranged in the air inlet pipe, and the filter element is fixed at the top of the air inlet pipe through the filter element fixing rod; a dust receiving disc is arranged in the valve body and sleeved on the air inlet pipe, a ventilation net and a sucker are arranged on the dust receiving disc, and the sucker is adsorbed at the bottom of the filter element; the bottom of the valve body is provided with a sewage outlet.
Although the natural gas filter can prevent dust and impurities on the filter element from falling into the bottom of the valve body, the downstream pressure regulating equipment is effectively prevented from being damaged and blocked, the filter element of the filter is often required to be replaced frequently in the use process, and the replacement is relatively troublesome.
Disclosure of Invention
The invention aims to provide a natural gas filter which has the advantage of being convenient for operators to quickly detach and replace an internal filter element.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a natural gas filter, includes the barrel, is located the air inlet of barrel bottom one side and is located the gas outlet of barrel bottom opposite side, still be equipped with adapting unit on the gas outlet, adapting unit is equipped with vertical ascending circular slot including being located the gas outlet and being located the inside one end of barrel, being located the filter core of circular slot top, being located the lug at circular slot edge and being located the lug bottom and the channel that the lug matches, the channel is including being located the vertical ascending notch that goes into of filter core bottom, being located the filter core edge and going into the cross way of notch intercommunication and being located the cross way and keeping away from the vertical ascending locked groove of notch one end, still be equipped with on the circular slot and go into the outside takeover of barrel.
Through adopting above-mentioned technical scheme, natural gas enters into inside the barrel through the air inlet that is equipped with, and the vertical ascending circular slot of opening that is equipped with on the one end that the air inlet is located the barrel is inside, when natural gas passes through, some impurity that carry is filtered by the filter core of circular slot top, and some impurity can be left in the circular slot, other impurity is blocked in the filter core, and because the bottom of filter core is equipped with the channel, and the edge of circular slot is equipped with the lug, consequently, only need rotate whole filter core and make the lug get into the rotation filter core from the income notch of channel, thereby the lug is along the cross walk until entering into the locked groove, thereby accomplish the installation of filter core, whole comparatively simple and convenient, and the effectual card of filter core is in the circular slot under the effect of gravity, and the circular slot can support column filter core, on the other hand because the existence of the circular slot makes the impurity of part can drop in the circular slot, and through the effectual discharge of takeover, thereby increase the life of filter core.
Further set up: the top of the cylinder body is provided with a cover device which is connected with the cylinder body in a disassembling way, and the cover device comprises a cover plate arranged above the cylinder body, a rim which is arranged at the edge of the cover plate and is perpendicular to the cover plate, a fixing bolt which penetrates through the rim and is used for abutting against the outer wall of the cylinder body, a groove which is arranged at the bottom of the cover plate and is used for being clamped into the edge of the cylinder body, and a sealing gasket which is arranged in the groove.
Through adopting above-mentioned technical scheme, the closing cap device that is equipped with can make the quick change filter core of operating personnel, through will dismantling along the fixing bolt on edge to open the closing cap, thereby make operating personnel can rotate the filter core and change, the condition that the leakage appears in the inside sealing washer of recess that simultaneously is equipped with and recess can effectually reduce natural gas.
Further set up: the air inlet is provided with a first pressure gauge, and the air outlet is provided with a second pressure gauge.
Through adopting above-mentioned technical scheme, the condition of whether inside emergence jam or revealing can be judged through it simultaneously to first manometer and the second manometer that are equipped with can effectual observation air inlet pressure and the pressure of giving vent to anger.
Further set up: and the cover plate is also provided with a lifting lug.
Through adopting above-mentioned technical scheme, the lug that is equipped with makes things convenient for operating personnel to lift by crane whole barrel and transportation.
Further set up: the bottom of the cylinder body is also provided with an emptying pipe, and the emptying pipe is provided with a stop valve.
Through adopting above-mentioned technical scheme, the evacuation pipe that is equipped with can be before the maintenance effectual inside natural gas of exhaust, can fill the air through the air inlet, opens the stop valve on the evacuation pipe to make inside natural gas evacuation and then can overhaul inside.
Further set up: the external connection pipe is provided with an electromagnetic valve, and the outlet of the external connection pipe is also provided with an air extractor.
Through adopting above-mentioned technical scheme, be equipped with the switch that the solenoid valve can effectual control takeover on the takeover of taking over outward that is equipped with, the air exhauster that is equipped with on the takeover simultaneously can be under the condition of closing the gas outlet, the effectual impurity with the circular slot inside is taken out to reduce the condition that appears blockking up, increase the life of whole filter core simultaneously.
In summary, the invention has the following beneficial effects: can make things convenient for operating personnel quick change filter core not need to change whole filter, can effectually promote the life of filter core simultaneously, reduce the inside condition such as impurity jam that appears.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a natural gas filter;
fig. 2 is a schematic view of a natural gas filter for illustrating an internal structure.
In the figure, 1, a cylinder; 2. an air inlet; 3. an air outlet; 4. a receiving device; 41. a circular groove; 42. a filter element; 43. a bump; 44. a channel; 441. a notch is formed; 442. a cross-walk; 443. a locking groove; 5. an outer connecting pipe; 6. a capping device; 61. a cover plate; 62. edge edges; 63. a fixing bolt; 64. a groove; 65. a sealing gasket; 7. a first pressure gauge; 8. a second pressure gauge; 9. lifting lugs; 10. an evacuation tube; 11. a stop valve; 12. an electromagnetic valve; 13. and (5) an air extractor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: the utility model provides a natural gas filter, includes barrel 1, and barrel 1 bottom one side is equipped with air inlet 2, is located barrel 1 bottom opposite side and is equipped with gas outlet 3, and barrel 1 bottom still is equipped with evacuation pipe 10, is equipped with stop valve 11 on the evacuation pipe 10, is equipped with first manometer 7 on the air inlet 2, is equipped with second manometer 8 on the gas outlet 3. The top of the cylinder body 1 is provided with a sealing device 6 which is detachably connected with the cylinder body 1, the sealing device 6 comprises a cover plate 61 which is arranged above the cylinder body 1, the cover plate 61 is also provided with a lifting lug 9, the edge of the cover plate 61 is provided with a rim 62 which is vertical to the cover plate 61, the peripheral edge of the cover plate 61 is also provided with a groove 64 which is used for being clamped into the top of the cylinder body 1, the groove 64 is internally provided with a sealing gasket 65 which reduces natural gas leakage in the cylinder body 1, and the outer part of the rim 62 is also provided with a fixing bolt 63 which penetrates the rim 62 until the outer wall of the cylinder body 1 is abutted against, so that the whole sealing device 6 is fixed above the cylinder body 1.
And still be equipped with adapting unit 4 on gas outlet 3, adapting unit 4 is including being located gas outlet 3 and being located the inside one end of barrel 1 and be equipped with vertical ascending circular slot 41, be equipped with the filter core 42 that is used for filtering natural gas above circular slot 41, and still be equipped with lug 43 on circular slot 41 inner wall edge, still be equipped with the channel 44 that matches with lug 43 in filter core 42 bottom, and channel 44 mainly includes being located the vertical ascending notch 441 in filter core 42 bottom, be located the cross way 442 of filter core 42 edge and notch 441 intercommunication and be located the cross way 442 and keep away from the vertical ascending locked groove 443 of notch 441 one end, still be equipped with external connecting tube 5 that lets in barrel 1 outside on the circular slot 41, be equipped with solenoid valve 12 on the external connecting tube 5, simultaneously external connecting tube 5 exit still is equipped with air exhauster 13, be convenient for take out the impurity in the circular slot 41.
The main working principle is as follows, impurities in natural gas need to be effectively removed in the process of passing through the natural gas, so that the natural gas enters the cylinder 1 through the air inlet 2, reaches the filter element 42 through the circular groove 41, is filtered by the filter element 42 and is discharged from the air outlet 3, the impurities in the natural gas can be effectively removed by the filter element 42 in the process of passing through, the impurities are remained in the filter element 42 and the circular groove 41, the filter element 42 can be supported by the circular groove 41, and the impurities in the part can be effectively received by the circular groove 41, and the impurities can be extracted under the action of the air extractor 13 through the outer connecting pipe 5. Thereby improving the service life of the filter element 42 and the cleaning of the interior of the cartridge 1. When the filter element 42 needs to be replaced in the long-time use process, the air outlet 3 is firstly plugged, the stop valve 11 on the emptying pipe 10 is opened, and air is introduced from the air inlet 2, so that the natural gas in the cylinder 1 is discharged from the emptying pipe 10. Opening closing cap device 6, will follow fixing bolt 63 around the limit 62 and dismantle the apron 61 to pull up the rotation with filter core 42, thereby make filter core 42 break away from circular slot 41, and then change filter core 42, whole convenient operation is succinct, convenient to use person quick replacement filter core 42.
The above-described embodiments are provided for illustration only and not for limitation of the present invention, and modifications may be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
Claims (1)
1. The utility model provides a natural gas filter, includes barrel (1), is located air inlet (2) of barrel (1) bottom one side and is located gas outlet (3) of barrel (1) bottom opposite side, its characterized in that: the air outlet (3) is further provided with a bearing device (4), the bearing device (4) comprises a round groove (41) which is positioned at one end of the air outlet (3) and is positioned in the cylinder (1) and is vertically upwards, a filter element (42) which is positioned above the round groove (41), a lug (43) which is positioned at the edge of the round groove (41) and a channel (44) which is positioned at the bottom of the filter element (42) and is matched with the lug (43), the channel (44) comprises a notch (441) which is positioned at the bottom of the filter element (42) and vertically upwards, a cross channel (442) which is positioned at the edge of the filter element (42) and is communicated with the notch (441) and a locking groove (443) which is positioned at one end of the cross channel (442) which is far away from the notch (441) and vertically upwards, and an external connection tube (5) which is communicated with the outside of the cylinder (1) is further arranged on the round groove (41). The top of the cylinder body (1) is provided with a sealing device (6) which is detachably connected with the cylinder body (1), the sealing device (6) comprises a cover plate (61) which is arranged above the cylinder body (1), a rim (62) which is arranged at the edge of the cover plate (61) and is perpendicular to the cover plate (61), a fixing bolt (63) which penetrates through the rim (62) and is used for abutting against the outer wall of the cylinder body (1), a groove (64) which is arranged at the bottom of the cover plate (61) and is used for being clamped into the edge of the cylinder body (1), and a sealing gasket (65) which is arranged in the groove (64); the air inlet (2) is provided with a first pressure gauge (7), and the air outlet (3) is provided with a second pressure gauge (8); an emptying pipe (10) is further arranged at the bottom of the cylinder body (1), and a stop valve (11) is arranged on the emptying pipe (10); the external connection pipe (5) is provided with an electromagnetic valve (12), and the outlet of the external connection pipe (5) is also provided with an air extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127255.2A CN108130150B (en) | 2018-02-08 | 2018-02-08 | Natural gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127255.2A CN108130150B (en) | 2018-02-08 | 2018-02-08 | Natural gas filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108130150A CN108130150A (en) | 2018-06-08 |
| CN108130150B true CN108130150B (en) | 2023-12-22 |
Family
ID=62430718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810127255.2A Active CN108130150B (en) | 2018-02-08 | 2018-02-08 | Natural gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108130150B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1318773A (en) * | 1970-08-21 | 1973-05-31 | Meggitt Eng Ltd | Gas filters |
| CN101260960A (en) * | 2008-04-11 | 2008-09-10 | 常熟市上海飞奥压力容器制造有限公司 | Natural gas filter |
| CN201181010Y (en) * | 2007-08-24 | 2009-01-14 | 广州市煤气公司 | Novel gas filter |
| CN103084016A (en) * | 2011-11-05 | 2013-05-08 | 海门市大生水处理设备（厂）有限公司 | Gas pipeline filter |
| CN104056502A (en) * | 2014-06-11 | 2014-09-24 | 常熟市上海飞奥压力容器制造有限公司 | Natural gas filter with pressure relief response function |
| CN204073677U (en) * | 2014-10-13 | 2015-01-07 | 钱正明 | Anti-clogging natural gas filter |
| CN104289046A (en) * | 2014-10-13 | 2015-01-21 | 钱正明 | Novel natural gas filter |
| CN104289045A (en) * | 2014-10-13 | 2015-01-21 | 钱正明 | Anti-blocking natural gas filter |
| CN204107200U (en) * | 2014-09-19 | 2015-01-21 | 高拓石油天然气技术（上海）有限责任公司 | New type natural air filter |
| CN204447598U (en) * | 2014-12-12 | 2015-07-08 | 重庆骏驰钢结构工程有限公司 | A kind of filter core fixed mechanism of vertical filter |
| CN204582873U (en) * | 2015-04-27 | 2015-08-26 | 苏州柯林沃尔德环保设备有限公司 | A kind of filter core pedestal and filter core |
| CN105344154A (en) * | 2014-08-18 | 2016-02-24 | 杭州科百特过滤器材有限公司 | Quick-detachable filter |
| CN205461511U (en) * | 2016-01-19 | 2016-08-17 | 苏州加雷斯机电科技有限公司 | A connecting piece for connecting filter core |
| CN106132504A (en) * | 2014-04-04 | 2016-11-16 | 康明斯过滤Ip公司 | The natural gas filter that buckle puts in place |
| CN106714928A (en) * | 2014-05-15 | 2017-05-24 | Ufi过滤股份公司 | A filter group |
| CN206837711U (en) * | 2017-03-22 | 2018-01-05 | 谢本孝 | A kind of natural gas filter |
| CN208121055U (en) * | 2018-02-08 | 2018-11-20 | 江苏优耐特过滤装备有限公司 | A kind of natural gas filter |
-
2018
- 2018-02-08 CN CN201810127255.2A patent/CN108130150B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1318773A (en) * | 1970-08-21 | 1973-05-31 | Meggitt Eng Ltd | Gas filters |
| CN201181010Y (en) * | 2007-08-24 | 2009-01-14 | 广州市煤气公司 | Novel gas filter |
| CN101260960A (en) * | 2008-04-11 | 2008-09-10 | 常熟市上海飞奥压力容器制造有限公司 | Natural gas filter |
| CN103084016A (en) * | 2011-11-05 | 2013-05-08 | 海门市大生水处理设备（厂）有限公司 | Gas pipeline filter |
| CN106132504A (en) * | 2014-04-04 | 2016-11-16 | 康明斯过滤Ip公司 | The natural gas filter that buckle puts in place |
| CN106714928A (en) * | 2014-05-15 | 2017-05-24 | Ufi过滤股份公司 | A filter group |
| CN104056502A (en) * | 2014-06-11 | 2014-09-24 | 常熟市上海飞奥压力容器制造有限公司 | Natural gas filter with pressure relief response function |
| CN105344154A (en) * | 2014-08-18 | 2016-02-24 | 杭州科百特过滤器材有限公司 | Quick-detachable filter |
| CN204107200U (en) * | 2014-09-19 | 2015-01-21 | 高拓石油天然气技术（上海）有限责任公司 | New type natural air filter |
| CN104289045A (en) * | 2014-10-13 | 2015-01-21 | 钱正明 | Anti-blocking natural gas filter |
| CN104289046A (en) * | 2014-10-13 | 2015-01-21 | 钱正明 | Novel natural gas filter |
| CN204073677U (en) * | 2014-10-13 | 2015-01-07 | 钱正明 | Anti-clogging natural gas filter |
| CN204447598U (en) * | 2014-12-12 | 2015-07-08 | 重庆骏驰钢结构工程有限公司 | A kind of filter core fixed mechanism of vertical filter |
| CN204582873U (en) * | 2015-04-27 | 2015-08-26 | 苏州柯林沃尔德环保设备有限公司 | A kind of filter core pedestal and filter core |
| CN205461511U (en) * | 2016-01-19 | 2016-08-17 | 苏州加雷斯机电科技有限公司 | A connecting piece for connecting filter core |
| CN206837711U (en) * | 2017-03-22 | 2018-01-05 | 谢本孝 | A kind of natural gas filter |
| CN208121055U (en) * | 2018-02-08 | 2018-11-20 | 江苏优耐特过滤装备有限公司 | A kind of natural gas filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108130150A (en) | 2018-06-08 |
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