CN111910991A - Dust-reducing enclosure suitable for house construction - Google Patents
Dust-reducing enclosure suitable for house construction Download PDFInfo
- Publication number
- CN111910991A CN111910991A CN202010834859.8A CN202010834859A CN111910991A CN 111910991 A CN111910991 A CN 111910991A CN 202010834859 A CN202010834859 A CN 202010834859A CN 111910991 A CN111910991 A CN 111910991A
- Authority
- CN
- China
- Prior art keywords
- dust
- fixed
- filter screen
- conveying pipe
- building construction
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- 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.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/161—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels
- E04H17/163—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels using wired panels with frame
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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
- B01D46/66—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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The invention relates to a dust-reducing enclosure suitable for building construction, which comprises a base and a conveying pipe, wherein two groups of connecting assemblies are arranged between the base and the conveying pipe, a plurality of supporting pipes are arranged on the conveying pipe, and an atomizing assembly is rotatably arranged on the supporting pipes; a filter screen is further arranged between the base and the conveying pipe, and the side end of the filter screen is connected with the connecting assembly; two sets of coupling assembling installs the piece of accepting through sliding assembly, it has the scraper blade to articulate on the piece of accepting, the scraper blade pass through drive assembly with install pulling handle on the piece of accepting is connected. Spout behind atomizing with water atomization through the atomization component that sets up, carry out the dust fall to the dust on the building site and handle, the filter screen of setting when guaranteeing the inside circulation of air in the building site, carry out effectual filtration to the dust in the air, the pulling handle cooperation scraper blade of setting can be realized clearing up the filter screen, and can realize that the scraper blade lasts and the filter screen laminating.
Description
Technical Field
The invention relates to the technical field of building correlation, in particular to a dust-reducing enclosure suitable for building construction.
Background
At present, dust pollution is one of the most main pollutants in air, and becomes the primary air pollutant in most areas of China. However, with the acceleration of urban development pace, building construction projects inevitably need to be started, and dust pollution is often caused in the building construction, and is more prominent particularly in the weather of high wind and dry objects. The dust generated in the construction is mainly from the excavation and cleaning of dregs, backfilling, exposed material pile, piled construction waste, on-site mixed concrete and the like. The dust comprises 3 components of dust fall (the particle size is more than 100 mu m), floating dust (the particle size is 10-100 mu m) and inhalable particles (the particle size is less than 10 mu m), and the dust threatens daily life and body health of people.
Consequently in the building work progress, generally can adopt the degradable dirt to enclose and keep off, but the baffle interconnect that the fender adopted the metal material to support is enclosed in the current dustfall realizes, and reuse rate is low, and makes the air mobility of construction space lower floor relatively poor.
Disclosure of Invention
The invention aims to provide a dust-reducing enclosure suitable for building construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a dust-reducing enclosure suitable for building construction comprises a base and a conveying pipe, wherein two groups of connecting assemblies are arranged between the base and the conveying pipe, a plurality of supporting pipes are arranged on the conveying pipe, and an atomizing assembly is rotatably arranged on each supporting pipe;
a filter screen is further arranged between the base and the conveying pipe, and the side end of the filter screen is connected with the connecting assembly;
two sets of coupling assembling installs the piece of accepting through sliding assembly, it has the scraper blade to articulate on the piece of accepting, the scraper blade passes through drive assembly and installs pulling handle on the piece of accepting is connected, works as when the pulling handle promotes, the scraper blade is in drive assembly's effect is rotated down, so that the scraper blade laminating the filter screen or keep away from the filter screen.
As a further scheme of the invention: the atomization component comprises a plurality of arc pipes which are rotatably arranged on the supporting pipe, the atomization component is a plurality of atomization nozzles which are arranged on the arc pipes in a circumferential mode.
As a still further scheme of the invention: the connecting assembly is fixed with a first connecting piece and a second connecting piece, and the mounting positions of the first connecting piece and the second connecting piece on the connecting assembly are staggered.
As a still further scheme of the invention: coupling assembling includes two link joints of mutual articulated, two the link is kept away from its self articulated position one end respectively with base and conveyer pipe are fixed, two still be provided with fixed subassembly on the link joint.
As a still further scheme of the invention: the fixing assembly comprises two fixing cylinders which are fixed on the two connecting frames respectively, when the two connecting frames are fixed, the two fixing cylinders are connected through a fixing pin, and the fixing pin is slidably mounted on one of the connecting frames.
As a still further scheme of the invention: the sliding assembly comprises sliding grooves formed in the two connecting frames and sliding blocks fixed with the bearing pieces, and the sliding blocks are in sliding fit with the sliding grooves.
As a still further scheme of the invention: the transmission assembly comprises a gear fixed on the scraper and a rack plate fixed with the pulling handle and sliding on the bearing piece, and the rack plate is meshed with the gear.
As a still further scheme of the invention: the pulling handle pass through the mounting with rack plate fixed connection, the mounting runs through the bar that sets up on the accepting piece leads to the groove, and with bar leads to groove sliding fit.
As a still further scheme of the invention: the two ends of the conveying pipe are respectively provided with a connecting plug and a connecting slot, and when the two adjacent enclosing baffles are connected, the two enclosing baffles are provided with the connecting plugs which are connected with the connecting slots in an inserting mode.
Compared with the prior art, the invention has the beneficial effects that: the dust-settling device is novel in design, water is atomized and then sprayed out through the arranged atomization assembly, dust falling treatment on dust on a construction site is achieved, meanwhile, the arranged filter screen can effectively filter dust in air while air circulation inside the construction site is guaranteed, the arranged pulling handle is matched with the scraper to clean the filter screen, the scraper can be continuously attached to the filter screen, and therefore the cleaning effect is improved, and the dust-settling device is high in practicability.
Drawings
Fig. 1 is a schematic structural view of a dust-reducing enclosure suitable for building construction.
Fig. 2 is a schematic view of the connection state of the transmission assembly, the scraper and the pulling handle in the dust-reducing enclosure suitable for building construction.
Fig. 3 is a schematic structural diagram of a second connecting piece in the dust-reducing enclosure suitable for building construction.
Fig. 4 is a rear view of a degradable dust barrier suitable for building construction.
In the figure: 1-base, 2-first connecting piece, 3-second connecting piece, 4-connecting plug, 5-water pipe, 6-supporting pipe, 7-arc pipe, 8-atomizing nozzle, 9-connecting slot, 10-filter screen, 11-connecting frame, 12-chute, 13-slide block, 14-adapting piece, 15-pulling handle, 16-scraping plate, 17-gear, 18-rack plate, 19-strip through groove, 20-fixing cylinder and 21-fixing pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the invention, a dust-reducing enclosure suitable for building construction includes a base 1 and a conveying pipe 5, two groups of connecting assemblies are installed between the base 1 and the conveying pipe 5, a plurality of supporting pipes 6 are installed on the conveying pipe 5, and an atomizing assembly is rotatably installed on the supporting pipes 6;
a filter screen 10 is further installed between the base 1 and the conveying pipe 5, and the side end of the filter screen 10 is connected with the connecting assembly;
two sets of coupling assembling installs receiving 14 through sliding assembly, it has scraper blade 16 to articulate on receiving 14, scraper blade 16 pass through drive assembly and install pulling handle 15 on receiving 14 is connected, works as when pulling handle 15 promotes, scraper blade 16 is in rotate under drive assembly's the effect, so that scraper blade 16 laminates filter screen 10 or keep away from filter screen 10.
In the embodiment of the invention, water is atomized by the arranged atomizing assembly and then sprayed out, dust falling treatment on dust on a construction site is realized, meanwhile, dust in the air is effectively filtered while air inside the construction site is ensured to circulate by the arranged filter screen 10, the arranged pulling handle 15 can clean the filter screen 10 by matching with the scraper 16, and the scraper 16 can be continuously attached to the filter screen 10, so that the cleaning effect is improved, and the practicability is strong.
In the embodiment of the present invention, it should be noted that the filter screen 10 adopts a flexible filter screen structure to prevent interference when the connecting assembly is folded.
As an embodiment of the present invention, the atomization assembly includes a plurality of arc pipes 7 rotatably mounted on the support pipe 6, the plurality of arc pipes 7 are respectively provided with an atomization nozzle 8, and the plurality of arc pipes 7 are circumferentially arranged.
In the embodiment of the invention, it can be understood that the atomizing nozzles 8 on the plurality of arc-shaped pipes 7 are positioned on the same circumference, and the spraying direction of the atomizing nozzles 8 is tangent to the circumference formed by the plurality of atomizing nozzles 8, so that when the atomizing nozzles 8 spray atomized water, a certain reaction force is generated, the arc-shaped pipes 7 are driven, the arc-shaped pipes 7 rotate, the atomizing range is further improved, and the practicability is high.
As an embodiment of the present invention, the first connecting member 2 and the second connecting member 3 are fixed to the connecting members, and the mounting positions of the first connecting member 2 and the second connecting member 3 on the two connecting members are staggered.
In the embodiment of the invention, the first connecting pieces 2 and the second connecting pieces 3 on the two connecting components are arranged in a staggered manner, so that the connection of the first connecting pieces 2 and the second connecting pieces 3 on the two enclosing barriers is realized when the two adjacent enclosing barriers are connected, wherein the first connecting pieces 2 are arranged in a cylindrical structure, a gap is reserved between the first connecting pieces 2 and the connecting components, and the second connecting pieces 3 are arranged in an arc structure, so that when the first connecting pieces 2 and the second connecting pieces 3 are connected, the first connecting pieces 2 are clamped in the second connecting pieces 3 and can rotate on the inner sides of the second connecting pieces 3, and the angle adjustment can be realized in the connection process of the two enclosing barriers.
As an embodiment of the present invention, the connecting assembly includes two connecting frames 11 hinged to each other, one ends of the two connecting frames 11 away from their own hinged positions are respectively fixed to the base 1 and the conveying pipe 5, and the two connecting frames 11 are further provided with fixing assemblies.
In the embodiment of the invention, the conveying pipe 5 and the base 1 are connected through the two connecting frames 11 which are hinged with each other, so that the enclosure can be folded and folded when not used, does not occupy space and is convenient to transport and store, and when the enclosure is required to be used, the two connecting frames 11 are positioned on the same straight line through the fixing assembly, thereby playing a supporting role.
As an embodiment of the present invention, the fixing assembly includes two fixing cylinders 20 respectively fixed to the two connecting frames 11, when the two connecting frames 11 are fixed, the two fixing cylinders 20 are connected by a fixing pin 21, and the fixing pin 21 is slidably mounted on one of the connecting frames 11.
In the embodiment of the invention, when the two connecting frames 11 need to be supported, the two fixed cylinders 20 are coaxial, and then the two fixed cylinders 20 are inserted into the two fixed cylinders 20 through the fixing pins 21, so that the two fixed cylinders 20 are connected, the two connecting frames 11 are fixed in position, and the use is convenient.
As an embodiment of the present invention, the sliding assembly includes sliding grooves 12 disposed on the two connecting frames 11 and sliding blocks 13 fixed to the receiving members 14, and the sliding blocks 13 are slidably engaged with the sliding grooves 12.
In the embodiment of the present invention, the sliding guide function of the receiving part 14 is realized by the sliding of the arranged sliding block 13 in cooperation with the sliding groove 12, and the receiving part 14 is placed to be deviated, wherein it should be noted that the sliding block 13 is arranged in a T-shaped structure, and the shape of the sliding groove 12 is adapted to the shape of the sliding block 13.
In the embodiment of the present invention, it can be understood that one side of the sliding grooves 12 on the two connecting frames 11 is provided with an opening, and after the two connecting frames 11 are fixed by the fixing pins 21 and the fixing cylinders 20, the openings of the sliding grooves 12 on the two connecting frames 11 are overlapped.
In one embodiment of the present invention, the transmission assembly includes a gear 17 fixed to the scraper 16 and a rack plate 18 fixed to the pull handle 15 and sliding on the receiving member 14, and the rack plate 18 is engaged with the gear 17.
In the embodiment of the invention, when in use, the handle 15 is pulled to drive the rack plate 18 to move along the tangential direction of the gear 17, so as to drive the scraper 16 to rotate, so that the scraper 16 is completely attached to the filter screen 10, and the ash scraping effect is ensured.
As an embodiment of the present invention, the pulling handle 15 is fixedly connected to the rack plate 18 by a fixing member, and the fixing member penetrates through a strip-shaped through groove 19 formed in the receiving member 14 and is slidably fitted with the strip-shaped through groove 19.
In the embodiment of the invention, the strip-shaped through groove 19 is arranged to provide a moving space for the movement of the pulling handle 15, and at the same time, the movement of the rack plate 18 can be limited to a certain extent.
As an embodiment of the present invention, two ends of the conveying pipe 5 are respectively provided with a connection plug 4 and a connection slot 9, and when two adjacent enclosure barriers are connected, the connection plugs 4 on the two enclosure barriers are inserted into the connection slots 9.
In the embodiment of the invention, when the two enclosing barriers are connected in the same plane, the connecting plug 4 and the connecting slot 9 can be directly inserted and placed, so that the connection is convenient, and a certain angle exists between the two adjacent enclosing barriers, and the connecting plug and the connecting slot are matched with a connecting pipe for use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The dust-reducing enclosure applicable to building construction is characterized by comprising a base (1) and a conveying pipe (5), wherein two groups of connecting assemblies are arranged between the base (1) and the conveying pipe (5), a plurality of supporting pipes (6) are arranged on the conveying pipe (5), and an atomizing assembly is rotatably arranged on each supporting pipe (6);
a filter screen (10) is further arranged between the base (1) and the conveying pipe (5), and the side end of the filter screen (10) is connected with the connecting assembly;
two sets of coupling assembling installs receiving element (14) through sliding assembly, it has scraper blade (16) to articulate on receiving element (14), scraper blade (16) pass through drive assembly and install pulling handle (15) on receiving element (14) are connected, work as when pulling handle (15) promote, scraper blade (16) are in rotate under drive assembly's the effect, so that scraper blade (16) laminating filter screen (10) or keeping away from filter screen (10).
2. A degradable dirt encloses fender suitable for building construction according to claim 1, characterized in that, atomizing subassembly includes a plurality of arc pipes (7) of rotating to be installed on stay tube (6), all installs atomizer (8) on a plurality of arc pipes (7), and a plurality of arc pipes (7) are circumference setting.
3. A reducible dust encloses fender suitable for building construction according to claim 1, characterized in that, be fixed with first connecting piece (2) and second connecting piece (3) on the coupling assembling, and the mounted position of two first connecting piece (2) and second connecting piece (3) on the coupling assembling staggers each other.
4. A dust-reducing enclosure applicable to building construction according to claim 3, wherein the connecting assembly comprises two connecting frames (11) hinged to each other, one ends of the two connecting frames (11) far away from the hinged position of the two connecting frames are respectively fixed to the base (1) and the conveying pipe (5), and the two connecting frames (11) are further provided with fixing assemblies.
5. A reducible dust enclosure suitable for building construction according to claim 4, characterized in that, the fixed subassembly includes two fixed cylinders (20) respectively fixed on two said connecting frames (11), when two said connecting frames (11) are fixed, two said fixed cylinders (20) are connected by a fixed pin (21), said fixed pin (21) is slidably mounted on one of said connecting frames (11).
6. A dust-reducing enclosure suitable for building construction according to claim 5, wherein the sliding assembly comprises sliding grooves (12) arranged on the two connecting frames (11) and sliding blocks (13) fixed with the bearing pieces (14), and the sliding blocks (13) are in sliding fit with the sliding grooves (12).
7. A degradable dust barrier according to claim 1, characterized in that, the transmission component comprises a gear (17) fixed on the scraper (16) and a rack plate (18) fixed with the pulling handle (15) and sliding with the bearing piece (14), the rack plate (18) is engaged with the gear (17).
8. A dust-reducing fence adapted to house building construction according to claim 7 is characterized in that said pulling handle (15) is fixedly connected with said rack plate (18) through a fixing member, said fixing member penetrates through a strip-shaped through groove (19) provided on said bearing member (14) and is in sliding fit with said strip-shaped through groove (19).
9. A dust-reducing enclosure suitable for building construction according to claim 1, wherein two ends of the conveying pipe (5) are respectively provided with a connecting plug (4) and a connecting slot (9), and when two adjacent enclosures are connected, the connecting plugs (4) on the two enclosures are inserted into the connecting slots (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834859.8A CN111910991A (en) | 2020-08-19 | 2020-08-19 | Dust-reducing enclosure suitable for house construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834859.8A CN111910991A (en) | 2020-08-19 | 2020-08-19 | Dust-reducing enclosure suitable for house construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910991A true CN111910991A (en) | 2020-11-10 |
Family
ID=73278365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010834859.8A Pending CN111910991A (en) | 2020-08-19 | 2020-08-19 | Dust-reducing enclosure suitable for house construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111910991A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963047A (en) * | 2021-02-04 | 2021-06-15 | 莱芜凤凰建工集团有限公司 | Application construction method of enclosure device for building construction |
| CN114432802A (en) * | 2021-12-21 | 2022-05-06 | 张若骅 | Building engineering environmental protection dust device |
| CN114870513A (en) * | 2022-06-01 | 2022-08-09 | 无锡银燕化工装备科技有限公司 | PTFE emulsion gas-solid separation equipment |
| CN116966653A (en) * | 2023-09-22 | 2023-10-31 | 新乡市中汇过滤技术有限公司 | Filter element assembly of oil filter |
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| US5718414A (en) * | 1996-10-11 | 1998-02-17 | Deloach; Bobby Derene | Lightweight portable fencing system |
| CN205219506U (en) * | 2015-11-25 | 2016-05-11 | 天津市中科健新材料技术有限公司 | Polymer unloader |
| CN206715501U (en) * | 2017-02-21 | 2017-12-08 | 江苏金鼎环保设备有限公司 | Board-like demister |
| CN206887706U (en) * | 2017-06-29 | 2018-01-16 | 寿伟松 | A kind of spreading out device of road concrete laying |
| CN209509672U (en) * | 2019-01-25 | 2019-10-18 | 任昆仑 | It is a kind of suitable for urban construction construction with can depositing dust environment-friendly type enclosing |
| CN209874660U (en) * | 2019-02-23 | 2019-12-31 | 中建安工程管理有限公司 | Enclose fender suitable for construction is built with degradable dirt in room |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5718414A (en) * | 1996-10-11 | 1998-02-17 | Deloach; Bobby Derene | Lightweight portable fencing system |
| CN205219506U (en) * | 2015-11-25 | 2016-05-11 | 天津市中科健新材料技术有限公司 | Polymer unloader |
| CN206715501U (en) * | 2017-02-21 | 2017-12-08 | 江苏金鼎环保设备有限公司 | Board-like demister |
| CN206887706U (en) * | 2017-06-29 | 2018-01-16 | 寿伟松 | A kind of spreading out device of road concrete laying |
| CN209509672U (en) * | 2019-01-25 | 2019-10-18 | 任昆仑 | It is a kind of suitable for urban construction construction with can depositing dust environment-friendly type enclosing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963047A (en) * | 2021-02-04 | 2021-06-15 | 莱芜凤凰建工集团有限公司 | Application construction method of enclosure device for building construction |
| CN114432802A (en) * | 2021-12-21 | 2022-05-06 | 张若骅 | Building engineering environmental protection dust device |
| CN114870513A (en) * | 2022-06-01 | 2022-08-09 | 无锡银燕化工装备科技有限公司 | PTFE emulsion gas-solid separation equipment |
| CN114870513B (en) * | 2022-06-01 | 2023-08-25 | 无锡银燕装备科技有限公司 | PTFE emulsion gas-solid separation equipment |
| CN116966653A (en) * | 2023-09-22 | 2023-10-31 | 新乡市中汇过滤技术有限公司 | Filter element assembly of oil filter |
| CN116966653B (en) * | 2023-09-22 | 2023-12-19 | 新乡市中汇过滤技术有限公司 | Filter element assembly of oil filter |
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Application publication date: 20201110 |
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| RJ01 | Rejection of invention patent application after publication |