CN110529639B - Edible oil storage tank breather valve capable of automatically cleaning filter membrane - Google Patents
Edible oil storage tank breather valve capable of automatically cleaning filter membrane Download PDFInfo
- Publication number
- CN110529639B CN110529639B CN201910819551.3A CN201910819551A CN110529639B CN 110529639 B CN110529639 B CN 110529639B CN 201910819551 A CN201910819551 A CN 201910819551A CN 110529639 B CN110529639 B CN 110529639B
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- China
- Prior art keywords
- filter membrane
- exhalation valve
- valve disc
- valve body
- exhalation
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides an edible oil storage tank breather valve capable of automatically cleaning a filter membrane, which comprises a valve body, wherein the top of the valve body is provided with an exhalation valve disk and a rain shade, the bottom of the rain shade is fixedly connected with a center rod, the bottom of the exhalation valve disk is fixedly connected with a support ring, the support ring is paved with the filter membrane, the inner part of the exhalation valve disk and the outer side of the center rod are rotatably connected with a turntable, the outer side of the turntable is provided with a rotating sleeve, and the inner part of the exhalation valve disk and the outer side of the rotating sleeve are rotatably connected with uniformly distributed scraping. Inside setting up the filter membrane through the below at the exhalation valve disc and avoiding the tiny particle debris among the external environment to get into the edible oil storage tank, when the exhalation valve disc reciprocated and carry out pressure modulation, the scraper blade rotation in the exhalation valve disc stretched out, scraped the brush to the filter membrane, cleared up the debris of adhesion on the filter membrane automatically, reduced the possibility that the filter membrane was blockked up, improved the security of breather valve, and the scraper of multistage formula is more thorough to the clearance effect of filter membrane.
Description
Technical Field
The invention belongs to the technical field of edible oil storage, and particularly relates to an edible oil storage tank breather valve capable of automatically cleaning a filter membrane.
Background
The breather valve is generally arranged on the edible oil storage tank to adjust and balance the pressure in the oil tank, and in order to ensure the oil quality of the edible oil, a filter device is additionally arranged on the breather valve to prevent impurities in the external environment from entering the storage tank to cause the pollution of the edible oil when the breather valve is opened to adjust the pressure.
The filter device of the gravity type breather valve is generally installed at the outer side of the exhalation valve and the bottom of the inhalation valve, after long-time work, impurities such as dust are easily adhered to a filter membrane at the outer side of the exhalation valve, filter membrane blockage is caused, the circulation effect of air is reduced, adverse effects are caused to the adjustment effect of the exhalation valve, although the exhalation valve can outwards blow out air flow when adjustment work is carried out, partial impurities on the filter membrane are blown off, however, the exhalation valve is not always in an adjustment state, when the pressure inside and outside the tank is kept stable for a long time, the filter membrane at the outer side of the exhalation valve is easily blocked due to long-time standing in the air, when the filter membrane is seriously blocked, normal adjustment of the exhalation valve is influenced, the pressure in the tank can not be timely discharged, the storage tank is expanded, potential safety hazards exist, most of the breather valve in the market does not have an automatic filter membrane cleaning device, regular cleaning is, the automatic cleaning breather valve has the advantages that the cleaning is troublesome, the labor cost is increased, a small part of the automatic cleaning breather valve is also an electric and pneumatic device, electric energy needs to be consumed for driving, the use cost is increased, and the safety problem of a safety circuit also exists.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a breather valve of an edible oil storage tank capable of automatically cleaning a filter membrane is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides the edible oil storage tank breather valve capable of automatically cleaning the filter membrane, so as to solve the problems that the filter membrane outside the breather valve is easy to block and potential safety hazards exist in the edible oil storage tank.
The invention relates to a purpose and an effect of an edible oil storage tank breather valve capable of automatically cleaning a filter membrane, which are achieved by the following specific technical means:
the utility model provides a but edible oil storage tank breather valve of automatic clearance filter membrane, includes the valve body, the top movable mounting of valve body has the exhalation valve disc, the top fixed mounting that the top of valve body just is located the exhalation valve disc has rain cover, rain cover's bottom fixedly connected with extends to the well core rod of exhalation valve disc below, the bottom fixedly connected with support ring of exhalation valve disc, the support ring upper berth is equipped with the filter membrane, the inside of exhalation valve disc and the outside that is located well core rod rotate and be connected with the carousel, the inside of exhalation valve disc and the outside that is located the carousel rotate and be connected with the swivel housing, the inside of exhalation valve disc and the outside that is located the swivel housing rotate and be connected with evenly distributed's scraper blade, the top of valve body and the outside fixed mounting that is located the exhalation valve disc have the filter screen, the bottom movable mounting of the right section of valve body inhales the valve disc, the bottom of the left section of the valve body is fixedly connected with a flange.
Further, the valve body passes through flange mounting on the edible oil storage tank, the exhalation valve disc is all installed on the valve body through the guide post with inhaling the valve disc, the top of valve body and the outside that is located the exhalation valve disc are provided with the friction ring, play sealed effect, can scrape the debris in the filter membrane outside simultaneously, the top of valve body is provided with the slope, conveniently scrapes the debris landing that gets off.
Further, well core rod and exhale the valve disc and be located same perpendicular axis, the hypomere in the well core rod outside is the screw thread section, set up the screw thread that corresponds with well core rod on the inner wall of carousel, when exhale the valve disc and reciprocate along well core rod, the carousel can rotate thereupon.
Furthermore, be provided with tooth on the outer wall of carousel, be provided with the internal tooth that corresponds with the carousel on changeing the inner wall of cover, be provided with the external tooth that corresponds with the scraper blade on changeing the outer wall of cover.
Further, the scraper blade includes the planking, the inside activity of planking is pegged graft and is had a plurality of scrapers, and installs the spring on the scraper, the slope has been seted up to the bottom of scraper for when the scraper moves down and contacts with the valve body, can automatic inside shrink, one side that the planking is close to the commentaries on classics cover is provided with the rack, when changeing the cover rotation, drives the scraper blade rotation through the rack, the scraper blade passes through fixed axle movable mounting on the exhalation valve disc.
Furthermore, the filter screen is provided with large-aperture filter holes for filtering large-particle impurities, and meanwhile, the large-aperture filter screen is not easy to be blocked.
Compared with the prior art, the invention has the following beneficial effects:
1. set up the filter screen through the outside at the exhalation valve disc and come the filtration to fall the debris of large granule, the aperture of filtration pore is great on the filter screen, be difficult for blockking up, simultaneously through the prefilter of filter screen, the further possibility that the filter screen is blockked up has been reduced, set up the filter screen through the below at the exhalation valve disc and avoid inside the tiny particle debris among the external environment gets into the edible oil storage tank, when the exhalation valve disc reciprocates and carries out pressure modulation, the scraper blade rotation in the exhalation valve disc stretches out, scrape the brush to the filter screen, with the automatic clearance of the debris of adhesion on the filter screen, the possibility that the filter screen was blockked up has been reduced, the security of breather valve has been improved.
2. In-process that moves down at the exhalation valve disc, the brush can be scraped to the filter membrane earlier to the friction ring on the valve body, make the debris in the filter membrane outside by the extrusion that makes progress constantly, then the rotatory department that stretches of scraper scrapes the brush to the filter membrane, push up the debris of filter membrane outside upper end gathering, through the combination form of designing the scraper blade into a plurality of scrapers, and the below of every scraper all is provided with the slope, when the top contact of scraper and valve body, the scraper can be extruded by the valve body in proper order and enter, the scraper of below is when being extruded by the valve body and entering, the brush is still being scraped to the scraper of top, therefore, the scraper of multistage formula is more thorough to the clearance effect of filter.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a top sectional view of the scraper and rotating sleeve connecting structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;
FIG. 5 is a front cross-sectional view of the squeegee configuration of the invention;
FIG. 6 is a perspective view of a swivel sleeve construction of the present invention;
FIG. 7 is a front cross-sectional view of another attachment form of the squeegee of the invention;
fig. 8 is a top schematic view of another form of attachment for the screed of the present invention.
In the figure: 1-valve body, 2-exhaling valve disc, 3-rain shade, 4-center rod, 5-support ring, 6-filter membrane, 7-rotary disc, 8-rotary sleeve, 9-scraper, 901-outer plate, 902-scraper, 903-spring, 904-rack, 10-filter screen, 11-inhaling valve disc, 12-filter shade, 13-flange, 14-rotary shaft and 15-gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the first embodiment is as follows:
as shown in figures 1 to 6:
the invention provides an edible oil storage tank breather valve capable of automatically cleaning a filter membrane, which comprises a valve body 1, wherein the top of the valve body 1 is movably provided with an exhalation valve disk 2, the top of the valve body 1 and the position above the exhalation valve disk 2 are fixedly provided with a rain shade 3, the bottom of the rain shade 3 is fixedly connected with a central rod 4 extending to the lower part of the exhalation valve disk 2, the bottom of the exhalation valve disk 2 is fixedly connected with a support ring 5, the support ring 5 is paved with a filter membrane 6, the inner part of the exhalation valve disk 2 and the outer side of the central rod 4 are rotatably connected with a turntable 7, the inner part of the exhalation valve disk 2 and the outer side of the turntable 7 are rotatably connected with a rotating sleeve 8, the inner part of the exhalation valve disk 2 and the outer side of the rotating sleeve 8 are rotatably connected with uniformly distributed scraping plates 9, the top of the valve body 1 and the outer side of, a filter cover 12 is fixedly arranged at the right section of the valve body 1 and below the suction valve disc 11, and a flange 13 is fixedly connected to the bottom of the left section of the valve body 1.
Wherein, valve body 1 passes through flange 13 to be installed on the edible oil storage tank, and exhalation valve disc 2 all installs on valve body 1 through the guide post with inhaling valve disc 11, and the top of valve body 1 and the outside that is located exhalation valve disc 2 are provided with the friction ring, play sealed effect, can scrape the debris in the 6 outsides of filter membrane down simultaneously, and the top of valve body 1 is provided with the slope, conveniently scrapes the debris landing that gets off.
Wherein, mode fixed mounting such as welding is passed through at well core rod 4's top on rainshelter 3, well core rod 4's bottom is provided with seal baffle, the through-hole that corresponds with well core rod 4 is seted up to the inside of exhaling valve disc 2, well core rod 4 is located same perpendicular axis with exhaling valve disc 2, the hypomere in the 4 outsides of well core rod is the screw thread section, set up the screw thread that corresponds with well core rod 4 on the inner wall of carousel 7, when exhaling valve disc 2 reciprocates along well core rod 4, carousel 7 can rotate thereupon.
Wherein, be provided with tooth on the outer wall of carousel 7, be provided with the internal tooth that corresponds with carousel 7 on the inner wall of commentaries on classics cover 8, be provided with the external tooth that corresponds with scraper blade 9 on the outer wall of commentaries on classics cover 8.
Wherein, scraper blade 9 includes planking 901, and the inside activity of planking 901 is pegged graft and is had a plurality of scrapers 902, and installs spring 903 on the scraper 902, and the slope has been seted up to the bottom of scraper 902 for scraper 902 moves down and when contacting with valve body 1, can automatic inside shrink, planking 901 is provided with rack 904 near the one side of changeing cover 8, when changeing cover 8 rotation, drives scraper blade 9 through rack 904 rotatoryly, and scraper blade 9 passes through fixed axle movable mounting on exhalation valve disc 2.
Wherein, the filter screen 10 is provided with large-aperture filter holes for filtering large-particle impurities, and the large-aperture filter screen 10 is not easy to be blocked.
The specific use mode and function of the embodiment are as follows:
in the invention, large-particle impurities in the external environment are filtered through the filter screen 10, the filter screen 10 is not easy to be blocked because the aperture of a filter hole on the filter screen 10 is larger, the exhaling valve disc 2 seals the top end of the valve body 1 in an initial state, the scraper 9 is positioned inside the exhaling valve disc 2, when the pressure in the tank is higher, the exhaling valve disc 2 and the filter membrane 6 move upwards under the pushing of high pressure in the tank, high-pressure airflow in the tank flows outwards through the filter membrane 6, after the exhaling valve adjusts the pressure, the exhaling valve disc 2 and the filter membrane 6 start to fall down, a friction ring at the top of the valve body 1 scrapes the filter membrane 6 to scrape the impurities adhered to the filter membrane 6, part of the impurities are extruded by the friction ring to be accumulated upwards, when the exhaling valve disc 2 falls to be close to the top end of the valve body 1, the rotary disc 7 is connected with a thread section, the scraper blade 9 is outwards rotated and is stretched out, scrape the brush to filter membrane 6, push away the accumulational debris in 6 outside tops of membrane, because install multistage formula scraper 902 in the scraper blade 9, even because the decline of exhalation valve disc 2, scraper blade 9 contacts with valve body 1 at rotatory in-process, scraper 902 of below is extruded by valve body 1 and is entered, the scraper 902 of top still can continue to scrape brush filter membrane 6, the accumulational debris in 6 outside upper ends of filter membrane can more thorough clearance, the cleaning performance is better.
Example two:
as shown in figures 7-8:
according to the actual conditions, the connecting structure of the scrapers 9 can be changed, a group of scrapers 9 is installed in the valve body 1 through the rotating shaft 14, the rotating shaft 14 is uniformly distributed on the outer side of the rotating sleeve 8, the scrapers 9 are fixedly installed on the rotating shaft 14, the connecting relation between the rotating shaft 14 and the valve body 1 is rotation connection, the gear 15 is fixedly sleeved on the outer side of the rotating shaft 14 and above the scrapers 9, the gear 15 is meshed with the rotating sleeve 8 and is connected with the rotating sleeve 8, the number of the thread sections on the central column 4 and the group of scrapers 9 is designed, so that the scrapers 9 are located inside the exhalation valve disc 2 in the initial state and the end rotation state, when the exhalation valve disc 2 moves downwards, the rotating sleeve 8 drives the scrapers 9 to rotate all the time through the gear 15 and the rotating shaft 14, the filter membrane 6 is.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (3)
1. The utility model provides a but edible oil storage tank breather valve of automatic clearance filter membrane which characterized in that: the edible oil storage tank breather valve capable of automatically cleaning the filter membrane comprises a valve body (1), wherein a exhalation valve disc (2) is movably mounted at the top of the valve body (1), a rain cover (3) is fixedly mounted at the top of the valve body (1) and positioned above the exhalation valve disc (2), a central rod (4) extending to the lower part of the exhalation valve disc (2) is fixedly connected with the bottom of the rain cover (3), a support ring (5) is fixedly connected with the bottom of the exhalation valve disc (2), the filter membrane (6) is paved on the support ring (5), a turntable (7) is rotatably connected with the inside of the exhalation valve disc (2) and positioned at the outer side of the central rod (4), a rotary sleeve (8) is rotatably connected with the inside of the exhalation valve disc (2) and positioned at the outer side of the rotary sleeve (8), and a scraper (9) which is uniformly distributed is rotatably connected with the inside of the exhalation valve disc (2), a filter screen (10) is fixedly arranged at the top of the valve body (1) and positioned at the outer side of the exhalation valve disc (2);
be provided with tooth on the outer wall of carousel (7), be provided with the internal tooth that corresponds with carousel (7) on the inner wall of commentaries on classics cover (8), be provided with the external tooth that corresponds with scraper blade (9) on the outer wall of commentaries on classics cover (8).
2. The edible oil storage tank breather valve capable of automatically cleaning the filter membrane as claimed in claim 1, wherein: exhalation valve disc (2) and inhale valve disc (11) and all install on valve body (1) through the guide post, the top of valve body (1) and the outside that is located exhalation valve disc (2) are provided with the friction ring, the top of valve body (1) is provided with the slope.
3. The edible oil storage tank breather valve capable of automatically cleaning the filter membrane as claimed in claim 1, wherein: the scraping plate (9) comprises an outer plate (901), a plurality of scraping plates (902) are movably inserted in the outer plate (901), springs (903) are installed on the scraping plates (902), the bottoms of the scraping plates (902) are provided with slopes, a rack (904) is arranged on one side, close to the rotating sleeve (8), of the outer plate (901), and the scraping plate (9) is movably installed on the exhalation valve disc (2) through a fixing shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819551.3A CN110529639B (en) | 2019-08-31 | 2019-08-31 | Edible oil storage tank breather valve capable of automatically cleaning filter membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819551.3A CN110529639B (en) | 2019-08-31 | 2019-08-31 | Edible oil storage tank breather valve capable of automatically cleaning filter membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110529639A CN110529639A (en) | 2019-12-03 |
| CN110529639B true CN110529639B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910819551.3A Active CN110529639B (en) | 2019-08-31 | 2019-08-31 | Edible oil storage tank breather valve capable of automatically cleaning filter membrane |
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| Country | Link |
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| CN (1) | CN110529639B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013142B (en) * | 2020-07-17 | 2022-07-05 | 济宁落陵春辉机械制造有限公司 | Spring impulse type safety valve |
| CN112044891A (en) * | 2020-08-31 | 2020-12-08 | 余锦锴 | Be applied to pharmaceutical equipment's aseptic breather valve of environmental protection sanitary-grade |
| CN113280166B (en) * | 2021-07-23 | 2021-09-24 | 江苏信泰化工装备有限公司 | Sulfuric acid storage tank breather valve with drying function |
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|---|---|---|---|---|
| US5048560A (en) * | 1989-12-12 | 1991-09-17 | L&J Engineering Inc. | Sealing valve assembly |
| CN2562840Y (en) * | 2002-07-29 | 2003-07-30 | 兖矿集团有限公司 | Inner pressure type fluid filter |
| CN204025801U (en) * | 2014-08-22 | 2014-12-17 | 罗浮阀门集团有限公司 | Inhalation valve with heat insulation function |
| CN104930231A (en) * | 2015-06-02 | 2015-09-23 | 精凯(天津)阀门制造有限公司 | Pressure vacuum relief valve |
| CN205525941U (en) * | 2016-01-26 | 2016-08-31 | 青岛软控机电工程有限公司 | Sending tank |
| CN110127236A (en) * | 2019-06-12 | 2019-08-16 | 刘艳文 | A kind of automobile-used breather valve of oil tank |
| CN110173583A (en) * | 2019-05-27 | 2019-08-27 | 杭州富阳松连食品有限公司 | A kind of edible oil oil storage tank sole weight type respiratory valve of sectional preset pressure |
-
2019
- 2019-08-31 CN CN201910819551.3A patent/CN110529639B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5048560A (en) * | 1989-12-12 | 1991-09-17 | L&J Engineering Inc. | Sealing valve assembly |
| CN2562840Y (en) * | 2002-07-29 | 2003-07-30 | 兖矿集团有限公司 | Inner pressure type fluid filter |
| CN204025801U (en) * | 2014-08-22 | 2014-12-17 | 罗浮阀门集团有限公司 | Inhalation valve with heat insulation function |
| CN104930231A (en) * | 2015-06-02 | 2015-09-23 | 精凯(天津)阀门制造有限公司 | Pressure vacuum relief valve |
| CN205525941U (en) * | 2016-01-26 | 2016-08-31 | 青岛软控机电工程有限公司 | Sending tank |
| CN110173583A (en) * | 2019-05-27 | 2019-08-27 | 杭州富阳松连食品有限公司 | A kind of edible oil oil storage tank sole weight type respiratory valve of sectional preset pressure |
| CN110127236A (en) * | 2019-06-12 | 2019-08-16 | 刘艳文 | A kind of automobile-used breather valve of oil tank |
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| CN110529639A (en) | 2019-12-03 |
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Effective date of registration: 20210105 Address after: 224000 Building 8, group 2, Sanjian neighborhood committee, Nanyang Town, Tinghu District, Yancheng City, Jiangsu Province Applicant after: Jiangsu Fushen special valve Co.,Ltd. Address before: 311400 Xindeng town farmer's market, Fuyang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Fuyang Songlian Food Co.,Ltd. |
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