CN110681196A - Sewage filtering device capable of continuously treating - Google Patents
Sewage filtering device capable of continuously treating Download PDFInfo
- Publication number
- CN110681196A CN110681196A CN201911077706.7A CN201911077706A CN110681196A CN 110681196 A CN110681196 A CN 110681196A CN 201911077706 A CN201911077706 A CN 201911077706A CN 110681196 A CN110681196 A CN 110681196A
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- fixed
- plate
- device capable
- mounting plate
- annular
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- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000007790 scraping Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sewage filtering device capable of continuously treating, which comprises a mounting plate, wherein a filtering structure is fixed on the front surface of the mounting plate, a treating structure communicated with the filtering structure is fixed at the bottom of the mounting plate, a collecting structure communicated with the inside of the filtering structure is fixed at one end of the treating structure, the filtering structure comprises an annular disc fixed on the mounting plate, an annular groove is formed in the inner wall of the annular disc, positioning grooves of the annular structure are formed in the inner walls of two sides of the annular groove, a scraping device is arranged in the annular groove and comprises a rotating shaft rotating at the middle position of the mounting plate, and connecting rods arranged at equal intervals are arranged on the rotating shaft along the axial direction. Thereby the mesh can not be blocked, the filtering treatment effect is better and the treatment efficiency is higher.
Description
Technical Field
The invention relates to the technical field of sewage filtering devices, in particular to a sewage filtering device capable of continuously treating sewage.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
If the sewage filtering device with the authorization notice number of CN102145233B is used for a period of time, the filter element cover plate is opened, the opened filter element cover plate is in a vertical state, the lower end of the filter element cover plate is propped against the upper part of the fixing frame, and the water outlet is shielded by the filter element cover plate, so that the unfiltered sewage can be ensured not to be discharged from the water outlet. The fixing frame and the filtering brush can be taken out for cleaning, the requirement of continuous filtering is not well met when the device is used, and therefore the sewage filtering device capable of continuously treating is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a sewage filtering device capable of continuously treating sewage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sewage filtering device capable of continuously treating comprises a mounting plate, wherein a filtering structure is fixed on the front surface of the mounting plate, a treating structure communicated with the filtering structure is fixed at the bottom of the mounting plate, and a collecting structure communicated with the inside of the filtering structure is fixed at one end of the treating structure;
the filtering structure comprises an annular disc fixed on a mounting plate, a ring-shaped groove is formed in the inner wall of the annular disc, positioning grooves of the annular structure are formed in the inner walls of two sides of the ring-shaped groove, a scraping device is arranged in the ring-shaped groove and comprises a rotating shaft rotating at the middle position of the mounting plate, the rotating shaft is axially provided with connecting rods arranged at equal intervals, the other ends of the connecting rods are respectively fixed with a push plate matched with the inner wall of the ring-shaped groove, one side of each push plate is hinged with a movable plate, a symmetrically arranged second spring is connected between the movable plate and the push plate, two sides of each connecting rod, close to one end of the push plate, are respectively fixed with a supporting rod, the other end of each supporting rod is fixed with a pressing plate sliding on the inner wall of the positioning groove, a positioning opening is formed, the two ends of the bottom of the filter plate are both fixed with cross rods, the other ends of the two cross rods are connected with vertical rods which are vertically arranged and extend into the positioning grooves, the top ends of the vertical rods are fixedly provided with limiting plates which are movably arranged on the bottom of the positioning grooves, the vertical rods are provided with return devices which are arranged in the installation cavity, a fixed plate which is fixed in the installation cavity is arranged below the filter plate, and the top of the fixed plate is vertically and uniformly provided with cleaning rods which are matched with meshes of the filter plate;
the processing structure comprises a processing box fixed at the bottom of the mounting plate, one end of the processing box is provided with a motor, the output end of the motor is connected with a stirring rod positioned in the processing box, and the top of the processing box is communicated with the mounting cavity;
the collection structure comprises a recovery groove body fixed on the treatment box, and one end of the top of the recovery groove body is connected with a discharge groove body which is obliquely arranged and communicated with the annular groove in the annular disc.
Preferably, a feed inlet communicated with the annular groove is formed in the middle of one side of the annular disc, an inclined feed groove body is arranged on the feed inlet, a discharge outlet is formed in the other side of the annular disc, the discharge groove body is fixed on the inner wall of the discharge outlet, and fixing blocks located at the opening of the discharge outlet are fixed on the inner walls of the two sides of the annular groove.
Preferably, the return device comprises a stop dog fixedly sleeved on the vertical rod, the bottom of the stop dog is connected with a first spring ejected on the vertical rod, and the bottom end of the first spring is connected with a limiting rod movably sleeved on the vertical rod and fixed between the inner walls of the mounting cavity.
Preferably, a limiting block is fixed on the cross rod, and fixing rods which are transversely arranged and fixed on the inner wall of the mounting cavity are welded at two ends of each fixing plate.
Preferably, a driving motor is installed in the middle of the back of the installation plate, and the output end of the driving motor is fixedly connected with the rotating shaft.
Preferably, the pressing plate is of an arc-shaped structure, slope angles are formed in the tops of two ends of the limiting plate, limiting openings are formed in the inner walls of the two positioning grooves, and the limiting plate is movably connected into the limiting openings.
Preferably, one side of the treatment box is communicated with a feeding pipe, and the bottom of one end of the treatment box is connected with a liquid discharge pipe.
Preferably, the one end of retrieving the cell body has been seted up and has been handled the mouth, and the bottom inner wall of handling the mouth articulates there is the baffle, and the top of baffle is installed the symmetry and is set up and retrieve the fixed hasp in cell body top.
The invention has the beneficial effects that: according to the invention, under the mutual cooperation of the components, when sewage is treated, solid matters in the sewage can be scraped through the scraping device, and simultaneously the sewage is conveniently discharged from the discharge hole, the sewage falls into the treatment structure through the filter plate for further treatment, and the scraping device can periodically act on the limiting block when rotating, so that the filter plate periodically acts with the cleaning rod on the fixed plate, and therefore, meshes can not be blocked, the filtering treatment effect is better, and the treatment efficiency is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of an annular disk according to the present invention;
FIG. 3 is a schematic diagram of the relative structure of the filter plate and the fixing plate according to the present invention;
FIG. 4 is a schematic view showing the state where the filter plate and the fixing plate of the present invention are engaged with each other;
FIG. 5 is a schematic view showing a state where the scraping means of the present invention is discharged;
FIG. 6 is a schematic structural view of a recovery tank according to the present invention;
FIG. 7 is a schematic structural diagram of a limiting plate according to the present invention.
Reference numbers in the figures: the device comprises a mounting plate 1, an annular disc 2, a rotating shaft 3, a connecting rod 4, a push plate 5, a supporting rod 6, a pressing plate 7, an annular groove 8, a positioning groove 9, a filter plate 10, a limiting plate 11, a vertical rod 12, a limiting rod 13, a first spring 14, a stop block 15, a cross rod 16, a limiting block 17, a fixing plate 18, a fixing rod 19, a mounting cavity 20, a feeding groove body 21, a discharging groove body 22, a recovery groove body 23, a treatment box 24, a motor 25, a movable plate 26, a second spring 27 and a fixing block 28.
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.
Referring to fig. 1-7, a sewage filtering apparatus capable of continuous treatment comprises a mounting plate 1, a filtering structure is fixed on the front surface of the mounting plate 1, a treatment structure communicated with the filtering structure is fixed at the bottom of the mounting plate 1, and a collection structure communicated with the inside of the filtering structure is fixed at one end of the treatment structure;
the filtering structure comprises an annular disc 2 fixed on a mounting plate 1, the inner wall of the annular disc 2 is provided with an annular groove 8, the inner walls of two sides of the annular groove 8 are both provided with positioning grooves 9 of an annular structure, the inside of the annular groove 8 is provided with a scraping device, the scraping device comprises a rotating shaft 3 rotating at the middle position of the mounting plate 1, the rotating shaft 3 is axially provided with connecting rods 4 arranged at equal intervals, the other end of each connecting rod 4 is fixed with a push plate 5 matched with the inner wall of the annular groove 8, one side of each push plate 5 is hinged with a movable plate 26, a second spring 27 symmetrically arranged is connected between the movable plate 26 and the push plate 5, two sides of each connecting rod 4 close to one end of the push plate 5 are both fixed with supporting rods 6, the other end of each supporting rod 6 is fixed with a pressing plate 7 sliding on the inner wall of the positioning groove 9, a filter plate 10 is movably arranged inside the positioning port, cross rods 16 are fixed at two ends of the bottom of the filter plate 10, vertical rods 12 which are vertically arranged and extend into the positioning grooves 9 are connected to the other ends of the two cross rods 16, a limiting plate 11 which is movably arranged at the bottom of the positioning grooves 9 is fixed at the top ends of the vertical rods 12, a return device which is arranged inside an installation cavity 20 is arranged on the vertical rods 12, a fixing plate 18 which is fixed inside the installation cavity 20 is arranged below the filter plate 10, and cleaning rods which are matched with meshes of the filter plate 10 are vertically and uniformly arranged at the top of the fixing plate 18;
the processing structure comprises a processing box 24 fixed at the bottom of the mounting plate 1, one end of the processing box 24 is provided with a motor 25, the output end of the motor 25 is connected with a stirring rod positioned in the processing box 24, and the top of the processing box 24 is communicated with the mounting cavity 20;
the collecting structure comprises a recovery groove body 23 fixed on the treatment box 24, and one end of the top of the recovery groove body 23 is connected with a discharge groove body 22 which is obliquely arranged and communicated with the annular groove 8 in the annular disc 2.
A feed inlet communicated with the annular groove 8 is arranged in the middle of one side of the annular disc 2, a feed inlet groove body 21 which is obliquely arranged is arranged on the feed inlet, a discharge outlet is arranged on the other side of the annular disc 2, a discharge groove body 22 is fixed on the inner wall of the discharge outlet, fixing blocks 28 positioned at the opening of the discharge outlet are fixed on the inner walls of two sides of the annular groove 8, the return device comprises a stop block 15 fixedly sleeved on the vertical rod 12, the bottom of the stop block 15 is connected with a first spring 14 which is ejected on the vertical rod 12, the bottom end of the first spring 14 is connected with a limiting rod 13 which is movably sleeved on the vertical rod 12 and fixed between the inner walls of the mounting cavity 20, a limiting block 17 is fixed on the transverse rod 16, fixing rods 19 which are transversely arranged and fixed on the inner wall of the mounting cavity 20 are welded at two ends, the clamp plate 7 becomes the arc structure, the slope angle has all been seted up at limiting plate 11 both ends top, has all seted up on the inner wall of two constant head tanks 9 and has prescribed a limit to the mouth, and limiting plate 11 swing joint is in prescribing a limit to the mouth, and one side intercommunication of handling case 24 has the filling tube, and the one end bottom of handling case 24 is connected with the fluid-discharge tube, and the one end of retrieving cell body 23 has seted up the processing mouth, and the bottom inner wall of processing mouth articulates there is the baffle, and the top of baffle is installed the symmetry and is set up and with.
In this embodiment, during treatment, sewage enters the annular groove 8 in the annular disc 2 from the feeding tank 21, so that the rotating shaft 3 drives the connecting rod 4 to rotate under the action of the driving motor, so that the movable plate 26 on one side of the push plate 5 pushes impurities in the sewage in the annular groove 8, when the movable plate 26 pushes one side of the discharge port, the movable plate 26 abuts against the fixed block 28, so that the movable plate 26 inclines along the hinge joint, and the second spring 27 is compressed, so that the impurities can be pushed out from the discharge port, so as to slide out from the discharge tank 22, and meanwhile, the pressure plate 7 at the end of the supporting rod 6 on the connecting rod 4 can be periodically pressed on the limiting plate 11, so that the limiting plate 11 faces downwards, so as to drive the vertical rod 12, so that the filter plate 10 faces downwards, and the mesh on the filter plate 10 interacts with the cleaning rod on the fixed plate 18, so as to ensure that the mesh, and the filter plate 10 is when downward, the first spring 14 will be compressed, when the pressing plate 7 does not interact with the limiting plate 11, can make the limiting plate 11, the filter plate 10 reply again, thereby can periodically act when handling, thereby under the mutual cooperation of each part, can be when handling sewage, can scrape the solid matter in the sewage through scraping the device, and be convenient for again discharge from the discharge gate simultaneously, and sewage falls into to the processing structure through the filter plate and carries out further processing, scrape the device simultaneously and can periodically act on the limiting block again when rotating, make the periodic cleaning rod with the fixed plate of filter plate interact, thereby make the mesh can not blockked up, make it better filtration treatment, the treatment effeciency is higher.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A sewage filtering device capable of continuously treating comprises a mounting plate (1) and is characterized in that a filtering structure is fixed on the front surface of the mounting plate (1), a treating structure communicated with the filtering structure is fixed at the bottom of the mounting plate (1), and a collecting structure communicated with the inside of the filtering structure is fixed at one end of the treating structure;
the filtering structure comprises an annular disc (2) fixed on a mounting plate (1), an annular groove (8) is formed in the inner wall of the annular disc (2), positioning grooves (9) of the annular structure are formed in the inner walls of the two sides of the annular groove (8), a scraping device is arranged inside the annular groove (8), the scraping device comprises a rotating shaft (3) which is arranged at the middle position of the mounting plate (1), connecting rods (4) which are arranged at equal intervals are axially arranged on the rotating shaft (3), a push plate (5) which is matched with the inner wall of the annular groove (8) is fixedly arranged at the other end of each connecting rod (4), a movable plate (26) is hinged to one side of each push plate (5), second springs (27) which are symmetrically arranged are connected between each movable plate (26) and each push plate (5), supporting rods (6) are fixedly arranged at the two sides of one end, close to one end of each push plate (5), of each supporting rod (6) is fixedly, the bottom of the annular groove (8) is provided with a positioning opening, an installation cavity (20) located at the bottom of the annular disc (2) is formed below the positioning opening, a filter plate (10) is movably arranged inside the positioning opening, cross rods (16) are fixed at two ends of the bottom of the filter plate (10), the other ends of the two cross rods (16) are connected with vertical rods (12) which are vertically arranged and extend into the positioning grooves (9), limiting plates (11) which are movably arranged at the bottoms of the positioning grooves (9) are fixed at the top ends of the vertical rods (12), a return device which is installed inside the installation cavity (20) is arranged on the vertical rods (12), a fixing plate (18) which is fixed inside the installation cavity (20) is arranged below the filter plate (10), and cleaning rods which are matched with meshes of the filter plate (10) are vertically and uniformly arranged at the top of;
the processing structure comprises a processing box (24) fixed at the bottom of the mounting plate (1), one end of the processing box (24) is provided with a motor (25), the output end of the motor (25) is connected with a stirring rod positioned in the processing box (24), and the top of the processing box (24) is communicated with the mounting cavity (20);
the collecting structure comprises a recycling groove body (23) fixed on a processing box (24), and one end of the top of the recycling groove body (23) is connected with a discharging groove body (22) which is obliquely arranged and communicated with a circular groove (8) in the circular disc (2).
2. The sewage filtering device capable of continuously treating according to claim 1, wherein a feed inlet communicated with the annular groove (8) is formed in the middle of one side of the annular disc (2), a feed groove body (21) is obliquely arranged on the feed inlet, a discharge outlet is formed in the other side of the annular disc (2), the discharge groove body (22) is fixed on the inner wall of the discharge outlet, and fixing blocks (28) located at the opening of the discharge outlet are fixed on the inner walls of the two sides of the annular groove (8).
3. A sewage filtering device capable of continuous treatment according to claim 1, wherein said return means comprises a stop block (15) fixedly sleeved on the vertical rod (12), the bottom of the stop block (15) is connected with a first spring (14) projected on the vertical rod (12), and the bottom end of the first spring (14) is connected with a limiting rod (13) movably sleeved on the vertical rod (12) and fixed between the inner walls of the mounting cavity (20).
4. A sewage filtering device capable of continuous treatment according to claim 1, characterized in that said cross bar (16) is fixed with a fixed block (17), and both ends of said fixed plate (18) are welded with fixed rods (19) transversely arranged and fixed on the inner wall of the installation cavity (20).
5. The sewage filtering device capable of continuously treating according to claim 1, wherein a driving motor is installed at the middle position of the back surface of the mounting plate (1), and the output end of the driving motor is fixedly connected with the rotating shaft (3).
6. The sewage filtering device capable of continuously treating according to claim 1, wherein the pressing plate (7) is of an arc structure, the tops of both ends of the limiting plate (11) are provided with slope angles, the inner walls of the two positioning grooves (9) are provided with limiting openings, and the limiting plate (11) is movably connected in the limiting openings.
7. The sewage filtering device capable of continuously treating according to the claim 1, wherein a feeding pipe is connected to one side of the treating box (24), and a drain pipe is connected to the bottom of one end of the treating box (24).
8. The sewage filtering device capable of continuously treating according to claim 1, wherein one end of the recovery tank body (23) is provided with a treatment opening, the inner wall of the bottom of the treatment opening is hinged with a baffle, and the top of the baffle is provided with symmetrically arranged lock catches fixed with the top of the recovery tank body (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077706.7A CN110681196A (en) | 2019-11-06 | 2019-11-06 | Sewage filtering device capable of continuously treating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077706.7A CN110681196A (en) | 2019-11-06 | 2019-11-06 | Sewage filtering device capable of continuously treating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110681196A true CN110681196A (en) | 2020-01-14 |
Family
ID=69115563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077706.7A Withdrawn CN110681196A (en) | 2019-11-06 | 2019-11-06 | Sewage filtering device capable of continuously treating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110681196A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185037A (en) * | 2020-01-16 | 2020-05-22 | 谢燕群 | Factory sewage treatment device based on reciprocating rotation of filter element |
| CN114247194A (en) * | 2021-12-02 | 2022-03-29 | 扬州凯芬机械有限公司 | A filtration equipment for production of liquid cosmetics |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010034098A1 (en) * | 2010-08-12 | 2012-02-16 | Rudolf Bischof Gmbh Technische Handelsvertretungen | Strainer rake apparatus for extracting and excavation of solids from waste water during sewage treatment process, has attack portion designed in flexible manner to engage on screen surface in screen openings |
| CN208130592U (en) * | 2018-02-08 | 2018-11-23 | 唐县鸿铭混凝土搅拌有限公司 | A kind of water wheel arrangement of dirt-discharging purifying |
| CN208145618U (en) * | 2018-03-28 | 2018-11-27 | 赣州龙淦农业专业合作社 | A kind of camellia seed oil production process settler |
| CN209073398U (en) * | 2018-10-31 | 2019-07-09 | 马边金玉春茶业有限公司 | A kind of tea twisting machine with filtering residue function |
-
2019
- 2019-11-06 CN CN201911077706.7A patent/CN110681196A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010034098A1 (en) * | 2010-08-12 | 2012-02-16 | Rudolf Bischof Gmbh Technische Handelsvertretungen | Strainer rake apparatus for extracting and excavation of solids from waste water during sewage treatment process, has attack portion designed in flexible manner to engage on screen surface in screen openings |
| CN208130592U (en) * | 2018-02-08 | 2018-11-23 | 唐县鸿铭混凝土搅拌有限公司 | A kind of water wheel arrangement of dirt-discharging purifying |
| CN208145618U (en) * | 2018-03-28 | 2018-11-27 | 赣州龙淦农业专业合作社 | A kind of camellia seed oil production process settler |
| CN209073398U (en) * | 2018-10-31 | 2019-07-09 | 马边金玉春茶业有限公司 | A kind of tea twisting machine with filtering residue function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185037A (en) * | 2020-01-16 | 2020-05-22 | 谢燕群 | Factory sewage treatment device based on reciprocating rotation of filter element |
| CN111185037B (en) * | 2020-01-16 | 2021-10-29 | 山西京海圣百科技有限公司 | Factory sewage treatment device based on reciprocating rotation of filter element |
| CN114247194A (en) * | 2021-12-02 | 2022-03-29 | 扬州凯芬机械有限公司 | A filtration equipment for production of liquid cosmetics |
| CN114247194B (en) * | 2021-12-02 | 2023-11-28 | 扬州凯芬机械有限公司 | A filtration equipment for production of liquid cosmetics |
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| PB01 | Publication | ||
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Application publication date: 20200114 |