CN109499173B - Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula - Google Patents

Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula Download PDF

Info

Publication number
CN109499173B
CN109499173B CN201811645581.9A CN201811645581A CN109499173B CN 109499173 B CN109499173 B CN 109499173B CN 201811645581 A CN201811645581 A CN 201811645581A CN 109499173 B CN109499173 B CN 109499173B
Authority
CN
China
Prior art keywords
box
filter layer
collection frame
self
filtering
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.)
Expired - Fee Related
Application number
CN201811645581.9A
Other languages
Chinese (zh)
Other versions
CN109499173A (en
Inventor
张震
焦合军
张朝阳
周万春
赵晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Institute of Technology
Original Assignee
Zhengzhou Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Institute of Technology filed Critical Zhengzhou Institute of Technology
Priority to CN201811645581.9A priority Critical patent/CN109499173B/en
Publication of CN109499173A publication Critical patent/CN109499173A/en
Application granted granted Critical
Publication of CN109499173B publication Critical patent/CN109499173B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2221/00Applications of separation devices
    • B01D2221/08Mobile separation devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses self-cleaning multistage high-efficiency filtering equipment for silicone oil production, relates to the technical field of silicone oil production equipment, and mainly aims to solve the problems that filtering holes of a filtering layer are easy to block and the filtering efficiency is low; the device comprises a box body, a first filtering device and a second filtering device, wherein the first filtering device and the second filtering device are respectively arranged in an inner cavity of the box body from top to bottom, the first filtering device comprises a first filtering layer, a winding roller, a forward and reverse rotating motor and a scraper, and the second filtering device comprises a second filtering layer, a clamping mechanism and a connecting rod, wherein the clamping mechanism is used for clamping the second filtering layer.

Description

Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula
Technical Field
The invention relates to the technical field of silicone oil production equipment, in particular to self-cleaning type multistage high-efficiency filtering equipment for silicone oil production.
Background
Silicone oil generally refers to a linear polysiloxane product that remains in a liquid state at room temperature. Generally, the silicone oil is classified into methyl silicone oil and modified silicone oil. The most commonly used silicone oil-methyl silicone oil, also called common silicone oil, has methyl groups, and has good chemical stability, insulating property and hydrophobic property. It is prepared through hydrolysis of dimethyldichlorosilane in water to obtain initial condensed ring body, cracking and rectifying to obtain low ring body, mixing the ring body, sealing agent and catalyst together to obtain various mixture with different polymerization degree, and vacuum distillation to eliminate low-boiling point matter to obtain silicone oil.
In the silicon oil production process, need use filtration equipment, current filtration equipment is in the filtering process, because debris on the filter layer are more and more, can lead to the filtration pore to block up to slow down the filter speed, need artifical regular shutdown to clear up, increased workman's the amount of labour, influenced filtration efficiency simultaneously.
Disclosure of Invention
The invention aims to provide self-cleaning multistage high-efficiency filtering equipment for silicone oil production, and aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-cleaning multistage high-efficiency filtering device for silicone oil production comprises a box body, a first filtering device and a second filtering device, wherein rollers are mounted on four corners of the bottom of the box body and are self-locking rollers, an oil inlet is formed in the top of the box body, an oil outlet is formed in the bottom of the box body, the bottom of the box body is obliquely arranged towards the oil outlet from two sides, a first filtering device and a second filtering device are respectively arranged in an inner cavity of the box body from top to bottom, the first filtering device comprises a first filtering layer, a winding roller, two forward and reverse rotating motors and a scraping plate, the winding rollers are mounted on two outer side walls of the box body respectively, a mounting shaft of the winding roller is fixedly connected with an output shaft of the forward and reverse rotating motors through a coupler, the forward and reverse rotating motors are mounted on the side wall of the box body through screws, the first filtering layer is located in the box body, two ends of the first filtering layer penetrate through, the springs are connected between the end portions of the scraping plates and the inner portions of the sleeve plates, and first collecting frames are arranged on the two side walls of the box body and located below the scraping plates.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the first filter layer is made of cotton cloth.
In one alternative: the second filtering device comprises a second filtering layer, a clamping mechanism and a connecting rod, the clamping mechanism is used for clamping the second filtering layer, two ends of the second filtering layer are installed on the inner wall of the box body, the clamping mechanism is arranged on the second filtering layer and comprises an upper clamping strip and a lower clamping strip, the upper clamping strip and the lower clamping strip are respectively located on two sides of the second filtering layer, two strong magnets with opposite magnetic poles are respectively installed on opposite surfaces of the upper clamping strip and the lower clamping strip, the connecting rod is integrally fixed on the upper clamping strip, the top end of the connecting rod is adhered to the lower surface of the first filtering layer, the connecting rod is integrally provided with a sliding block, the sliding block is in sliding connection with the inner wall of the box body, impurity discharging ports are formed in two ends of the second filtering layer on two side walls of the box body.
In one alternative: the second filter layer is made of non-woven fabric.
In one alternative: the bottom of each of the first collecting frame and the second collecting frame is provided with a baffle through a hinge and a buckle.
In one alternative: still include the extrusion device, the extrusion device includes stripper plate, handle and second spring, all be equipped with the stripper plate in first collection frame and the second collection frame, the handle is located first collection frame and second and is collected the frame outside and be connected with the stripper plate in first collection frame and the second collection frame through branch, all is connected with the second spring between handle and first collection frame and the second collection frame, and the discharge hole has all been seted up to the one side that is close to the box on the bottom flap of first collection frame and second collection frame, and there is the receiving flask bottom through threaded connection.
In one alternative: a system for producing silicone oil comprises the self-cleaning multistage high-efficiency filtering equipment for producing silicone oil.
Compared with the prior art, the invention has the following beneficial effects:
1. the silicon oil filter is provided with a first filter device and a second filter device, wherein the first filter device comprises a first filter layer, a winding roller, a forward and reverse rotating motor and a scraper, and the second filter device comprises a second filter layer, a clamping mechanism and a connecting rod, wherein the clamping mechanism is used for clamping the second filter layer, can carry out multi-stage filtration on silicon oil, can automatically clean the filter layer, avoids filter holes from being blocked, and improves the filter efficiency;
2. be equipped with extrusion device, extrusion device includes stripper plate, handle and second spring, can extrude the silicone oil in the debris, avoids causing the waste.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Notations for reference numerals: 1-box body, 2-oil inlet, 3-first filter layer, 4-winding roller, 5-positive and negative rotation motor, 6-scraper, 7-sleeve plate, 8-spring, 9-first collecting frame, 10-baffle, 11-second collecting frame, 12-connecting rod, 13-upper holding strip, 14-lower holding strip, 15-second filter layer, 16-roller, 17-oil drain port, 18-impurity discharge port, 19-extrusion plate, 20-second spring, 21-handle and 22-collecting bottle.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a self-cleaning multistage high efficiency filtering apparatus for silicone oil production includes a box 1, a first filtering device and a second filtering device, four corners of the bottom of the box 1 are respectively provided with a roller 16, the roller 16 is a self-locking roller, the top of the box 1 is provided with an oil inlet 2, the bottom of the box 1 is provided with an oil outlet 17, the bottom of the box 1 is inclined from two sides to the oil outlet 17, the inner cavity of the box 1 is respectively provided with the first filtering device and the second filtering device from top to bottom, the first filtering device includes a first filtering layer 3, a winding roller 4, a forward and reverse motor 5 and a scraper 6, the winding roller 4 is totally two and is respectively installed on two outer side walls of the box 1, an installation shaft of the winding roller 4 is fixedly connected with an output shaft of the forward and reverse motor 5 through a coupler, the forward and reverse motor 5 is installed on a side wall of the box 1 through a screw, the first filtering layer 3 is located 4, the first filter layer 3 is made of cotton fabric, the scraper 6 is arranged in a fixed sleeve plate 7 on the side wall of the box body 1 in a penetrating way and is positioned below the winding roller 4, a spring 8 is connected between the end part of the scraper 6 and the inner part of the sleeve plate 7, the spring 8 enables the end part of the scraper 6 to be always tightly attached to the first filter layer 3 on the winding roller 4, first collecting frames 9 are arranged on two side walls of the box body 1 and below the scraper 6, the second filter device comprises a second filter layer 15, a clamping mechanism and a connecting rod 12, the clamping mechanism is used for clamping the second filter layer 15, the second filter layer 15 is made of non-woven fabric, two ends of the second filter layer 15 are arranged on the inner wall of the box body 1, the clamping mechanism is arranged on the second filter layer 15 and comprises an upper clamping strip 13 and a lower clamping strip 14, the upper clamping strip 13 and the lower clamping strip 14 are respectively positioned on two sides of the second filter layer 15, two strong magnets with opposite magnetic poles are respectively, the upper holding strip 13 and the lower holding strip 14 are attracted by two strong magnets with opposite magnetic poles, the connecting rod 12 is integrally fixed on the upper holding strip 13, the top end of the connecting rod 12 is adhered to the lower surface of the first filter layer 3, the connecting rod 12 is integrally provided with a slider which is in sliding connection with the inner wall of the box body 1, the two side walls of the box body 1 are provided with impurity discharge ports 18 at two ends of the second filter layer 15, the side wall of the box body 1 is provided with a second collecting frame 11 below the impurity discharge ports 18, the bottoms of the first collecting frame 9 and the second collecting frame 11 are provided with baffle plates through hinges and buckles, so that impurities can be conveniently discharged, when in use, silicone oil flows into the box body 1 from the oil inlet pipe 2, is discharged from the oil discharge port 17 after being filtered by the first filtering device and the second filtering device, and when the first filtering device is used for filtering, the forward and reverse rotation motor 5 is rotated forward and reverse to drive, thereby in debris on the first filter layer 3 constantly fall into first collection frame 9, simultaneously scraper blade 6 further scrapes the debris of the adhesion on the first filter layer 3 down, thereby avoid the filtration pore of crossing of first filter layer 3 to be blockked up, improve filtration efficiency, when second filter equipment filters, because first filter layer 3 constantly unreels, thereby drive clamping mechanism side-to-side movement through connecting rod 12, during clamping mechanism moves, push debris on the second filter layer 15 into row miscellaneous mouthful 18 and fall into second collection frame 11, accomplish the clearance automatically, improve filtration efficiency.
Example 2
Referring to fig. 2, the embodiment of the present invention is different from embodiment 1 in that it further includes an extruding device, the extrusion device comprises an extrusion plate 19, a handle 21 and a second spring 20, the extrusion plate 19 is arranged in each of the first collection frame 9 and the second collection frame 11, the handle 21 is arranged outside the first collection frame 9 and the second collection frame 11 and is connected with the extrusion plate 19 in the first collection frame 9 and the second collection frame 11 through a support rod, the second spring 20 is connected between the handle 21 and the first collection frame 9 and the second collection frame 11, one side of the bottom baffle plate 10 of each of the first collection frame 9 and the second collection frame 11, which is close to the box body 1, is provided with a discharge hole, the bottom of the discharge hole is connected with a collection bottle 22 through a thread, the handle 21 drives the extrusion plate 19 to continuously extrude the sundries in the first collection frame 9 and the second collection frame 11, so that the silicone oil in the sundries is extruded out, and the waste is avoided.
The working principle of the invention is as follows: when the invention is used, silicone oil flows into the box body 1 from the oil inlet pipe 2, is filtered by the first filtering device and the second filtering device and then is discharged from the oil discharge port 17, when the first filtering device is used for filtering, the forward and reverse rotating motor 5 is rotated forward and reverse, so that the first filtering layer 3 is driven to unwind continuously, therefore, sundries on the first filtering layer 3 fall into the first collecting frame 9 continuously, meanwhile, the scraping plate 6 scrapes off the adhered sundries on the first filtering layer 3 further, thereby avoiding the filtering holes of the first filtering layer 3 from being blocked, improving the filtering efficiency, when the second filtering device is used for filtering, because the first filtering layer 3 unwinds continuously, the connecting rod 12 drives the clamping mechanism to move left and right, when the clamping mechanism moves, the sundries on the second filtering layer 15 are pushed into the sundries discharge port 18 and fall into the second collecting frame 11, the cleaning is automatically completed, the filtering efficiency is improved, when the sundries in the first collecting frame 9 and the second collecting frame 11 are discharged, the handle 21 drives the extrusion plate 19 to continuously extrude the sundries in the first collection frame 9 and the second collection frame 11, so that the silicone oil in the sundries is extruded out, and the waste is avoided.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a multistage high-efficient filtration equipment of self-cleaning formula for silicone oil production, includes box (1), first filter equipment and second filter equipment, install gyro wheel (16) on four angles of box (1) bottom all, gyro wheel (16) are self-locking gyro wheel, and box (1) top is equipped with oil inlet (2), and box (1) bottom is equipped with oil drain port (17), and box (1) bottom is by both sides to oil drain port (17) slope setting, and box (1) inner chamber is from last down to be equipped with first filter equipment and second filter equipment respectively, its characterized in that, first filter equipment includes first filter layer (3), around roller (4), just reverse motor (5) and scraper blade (6), around roller (4) totally two and install respectively on box (1) two lateral walls, the installation axle of around roller (4) passes through the shaft coupling and just reverse motor (5) output shaft fixed connection, the positive and negative rotation motor (5) is arranged on the side wall of the box body (1), the first filter layer (3) is positioned in the box body (1), two ends of the first filter layer penetrate through the through hole in the side wall of the box body (1) and are coiled on the winding roller (4), the scraper (6) is arranged in the fixed sleeve plate (7) on the side wall of the box body (1) in a penetrating way and is positioned below the winding roller (4), a spring (8) is connected between the end part of the scraper (6) and the inner part of the sleeve plate (7), the two side walls of the box body (1) are positioned below the scraper (6) and are provided with a first collecting frame (9), the second filter device comprises a second filter layer (15), a clamping mechanism and a connecting rod (12) which are used for clamping the second filter layer (15), two ends of the second filter layer (15) are arranged on the inner wall of the box body (1), the second filter layer (15) is provided with a clamping mechanism, the clamping, go up holding strip (13) and holding strip (14) down and be located second filter layer (15) both sides respectively, go up and install two strong magnets that the magnetic pole is opposite on the opposite face of holding strip (13) and holding strip (14) down respectively, connecting rod (12) integral type is fixed in on holding strip (13), connecting rod (12) top and first filter layer (3) lower surface adhesion, the integral type is equipped with the slider on connecting rod (12), slider and box (1) inner wall sliding connection, it has all seted up row miscellaneous mouthful (18) to lie in second filter layer (15) both ends on box (1) both sides wall, lies in on box (1) lateral wall and arranges miscellaneous mouthful (18) below and install second collection frame (11).
2. The self-cleaning multistage high-efficiency filter device for silicone oil production according to claim 1, characterized in that the first filter layer (3) is made of a woven fabric.
3. Self-cleaning multistage high-efficiency filtration equipment for the production of silicone oil according to claim 2, characterized in that said second filtration layer (15) is made of non-woven fabric.
4. The self-cleaning multistage high-efficiency filtering equipment for producing silicon oil according to claim 1, wherein the bottoms of the first collecting frame (9) and the second collecting frame (11) are provided with baffles through hinges and buckles.
5. The self-cleaning multistage high-efficiency filtering equipment for producing the silicone oil, which is characterized by further comprising an extruding device, the pressing device comprises a pressing plate (19), a handle (21) and a second spring (20), all be equipped with stripper plate (19) in first collection frame (9) and second collection frame (11), handle (21) are located first collection frame (9) and second collection frame (11) outside and are connected with stripper plate (19) in first collection frame (9) and second collection frame (11) through branch, all be connected with second spring (20) between handle (21) and first collection frame (9) and second collection frame (11), the discharge hole has all been seted up to one side that is close to box (1) on bottom baffle (10) of first collection frame (9) and second collection frame (11), there is receiving flask (22) bottom through threaded connection.
6. A system for producing silicone oil, comprising the self-cleaning multistage high-efficiency filtration apparatus for producing silicone oil according to any one of claims 1 to 5.
CN201811645581.9A 2019-01-28 2019-01-28 Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula Expired - Fee Related CN109499173B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811645581.9A CN109499173B (en) 2019-01-28 2019-01-28 Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811645581.9A CN109499173B (en) 2019-01-28 2019-01-28 Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula

Publications (2)

Publication Number Publication Date
CN109499173A CN109499173A (en) 2019-03-22
CN109499173B true CN109499173B (en) 2021-06-15

Family

ID=65757137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811645581.9A Expired - Fee Related CN109499173B (en) 2019-01-28 2019-01-28 Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula

Country Status (1)

Country Link
CN (1) CN109499173B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563754A1 (en) * 1992-03-25 1993-10-06 Bertle Fordertechnik, Mathias Bertle Purification device
JPH08192142A (en) * 1995-01-19 1996-07-30 Maezawa Ind Inc Solid-liquid separator
WO2013153023A1 (en) * 2012-04-13 2013-10-17 Schröder Maschinenbau KG Method and device for filtering liquid
CN206434938U (en) * 2017-01-08 2017-08-25 晋江市伟业城金属制品有限公司 A kind of paper tape negative pressure filtration machine oil cloth separator
CN107376496A (en) * 2017-09-07 2017-11-24 天津市凯源天诚过滤设备有限公司 Multi function continuous filter
CN107551663A (en) * 2017-10-24 2018-01-09 成都凌凌漆科技有限公司 A kind of Sewage treatment utilizes device
CN107583351A (en) * 2017-10-24 2018-01-16 郑州栾信科技有限公司 A kind of coal chemical industrial waste water removes the pretreatment unit of gob
CN207253907U (en) * 2017-09-20 2018-04-20 王�华 A kind of traditional Chinese medicine oral liquid filtration apparatus
CN207722445U (en) * 2017-12-27 2018-08-14 德阳东方卓越电工设备有限公司 A kind of emulsion retracting device of copper bar continuous casting and tandem rolling production line
CN207797233U (en) * 2017-12-08 2018-08-31 陕西百世恒环保科技发展有限公司 A kind of easy-to-dismount air cleaning unit
CN208200632U (en) * 2018-04-17 2018-12-07 温州翰轩林工业设计有限公司 A kind of waste water control device with processing solid refuse function
CN208212671U (en) * 2018-01-29 2018-12-11 仪征市新源新材料科技有限公司 Filter device is used in a kind of production of silicone oil
CN208406231U (en) * 2018-05-31 2019-01-22 陈宇飏 A kind of precipitating filter device for flocculant

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563754A1 (en) * 1992-03-25 1993-10-06 Bertle Fordertechnik, Mathias Bertle Purification device
JPH08192142A (en) * 1995-01-19 1996-07-30 Maezawa Ind Inc Solid-liquid separator
WO2013153023A1 (en) * 2012-04-13 2013-10-17 Schröder Maschinenbau KG Method and device for filtering liquid
CN206434938U (en) * 2017-01-08 2017-08-25 晋江市伟业城金属制品有限公司 A kind of paper tape negative pressure filtration machine oil cloth separator
CN107376496A (en) * 2017-09-07 2017-11-24 天津市凯源天诚过滤设备有限公司 Multi function continuous filter
CN207253907U (en) * 2017-09-20 2018-04-20 王�华 A kind of traditional Chinese medicine oral liquid filtration apparatus
CN107583351A (en) * 2017-10-24 2018-01-16 郑州栾信科技有限公司 A kind of coal chemical industrial waste water removes the pretreatment unit of gob
CN107551663A (en) * 2017-10-24 2018-01-09 成都凌凌漆科技有限公司 A kind of Sewage treatment utilizes device
CN207797233U (en) * 2017-12-08 2018-08-31 陕西百世恒环保科技发展有限公司 A kind of easy-to-dismount air cleaning unit
CN207722445U (en) * 2017-12-27 2018-08-14 德阳东方卓越电工设备有限公司 A kind of emulsion retracting device of copper bar continuous casting and tandem rolling production line
CN208212671U (en) * 2018-01-29 2018-12-11 仪征市新源新材料科技有限公司 Filter device is used in a kind of production of silicone oil
CN208200632U (en) * 2018-04-17 2018-12-07 温州翰轩林工业设计有限公司 A kind of waste water control device with processing solid refuse function
CN208406231U (en) * 2018-05-31 2019-01-22 陈宇飏 A kind of precipitating filter device for flocculant

Also Published As

Publication number Publication date
CN109499173A (en) 2019-03-22

Similar Documents

Publication Publication Date Title
CN114471052A (en) Power plant's intelligent clean system of coal dust for power generation
CN214019957U (en) Electric automatization industrial dust collector
CN109499173B (en) Silicon oil production is with multistage high-efficient filtration equipment of self-cleaning formula
CN211611841U (en) Cleaning mechanism of sewage treatment filter screen
CN116837951A (en) Sewage water reservoir with cleaning function
CN218980632U (en) Sewage treatment filter equipment
CN116943333A (en) Sewage treatment grid machine
CN215962621U (en) Dust purification equipment for industrial workshop
CN219333526U (en) Self-cleaning filter cartridge type dust remover
CN220176193U (en) A filter equipment for sewage treatment
CN215538756U (en) Sewage treatment device
CN217909152U (en) Sludge discharge device for sewage treatment
CN220887073U (en) River water purifying equipment
CN220779268U (en) Sewage draining device for water treatment
CN217854766U (en) Sewage purification treatment device of municipal sewage pipe network
CN217773460U (en) Rotary disc filter for sewage treatment
CN221831851U (en) Box-type sewage filtering device
CN220414467U (en) Basement drainage equipment with scrubbing function
CN216320246U (en) Rainfall drainage structures that construction was used
CN220759566U (en) Vertical wet-type electric demister
CN219186160U (en) Waste water collecting and filtering device
CN219973365U (en) Building water supply and drainage device
CN219502106U (en) Filter for sewage treatment
CN216653577U (en) Rainwater purification and reuse treatment device
CN219290727U (en) Coating wastewater treatment 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
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210615

Termination date: 20220128