CN112370860A - Filter equipment is used in textile dye production - Google Patents
Filter equipment is used in textile dye production Download PDFInfo
- Publication number
- CN112370860A CN112370860A CN202011218899.6A CN202011218899A CN112370860A CN 112370860 A CN112370860 A CN 112370860A CN 202011218899 A CN202011218899 A CN 202011218899A CN 112370860 A CN112370860 A CN 112370860A
- Authority
- CN
- China
- Prior art keywords
- filter
- box body
- motor
- plate
- cloth
- 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.)
- Withdrawn
Links
- 239000004753 textile Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000979 synthetic dye Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229930182559 Natural dye Natural products 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000978 natural dye Substances 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- B01D29/03—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 self-supporting
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- 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
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
Abstract
The invention discloses a filtering device for textile dye production, which comprises a box body, a filtering cavity and a pressing plate, wherein the bottom of the box body is provided with a discharge chute, the filtering cavity is fixedly arranged between the bottom and the top in the box body, the discharge chute is positioned at the bottom of the filtering cavity, a hollowed-out mounting plate is fixedly arranged in the discharge chute, a fine-hole filtering screen plate is fixedly arranged on the hollowed-out mounting plate, a first motor is fixedly arranged at the bottom of the hollowed-out mounting plate, a rotating shaft is fixedly arranged at the output end of the first motor, the pressing plate is in threaded rotation fit with the rotating shaft, a scraping plate is fixedly arranged on the rotating shaft and is in rotation fit with the fine-hole filtering screen plate, a primary filtering component is arranged at the top of the box body, a secondary filtering component is arranged in the box body, and after pre-filtering of the primary filtering component and the secondary, the scraper can prevent blockage in the filtering process.
Description
Technical Field
The invention relates to the technical field of textile dye production, in particular to a filtering device for textile dye production.
Background
Textile dyes are a dye used for dyeing textiles. The extract is mainly plant extract such as plant fruit and sap, and also contains natural chemical extract such as coal tar. The dye is divided into natural dye and synthetic dye, and most of the synthetic dyes are on the market. The textile dye has good colorability, is not easy to fade, and is not easy to fade after being washed by water. After the textile is colored, the hand feeling is not changed greatly, and the conditions of hardening and the like can not occur. The textile dye needs to be filtered in the production process to ensure that no particles are left in the finished product, and the dyeing quality can be ensured.
Filter the filter screen that mainly adopts to change different apertures to textile dye among the prior art, filter naturally under the effect of gravity, filter process is complicated and produce easily and block up influence filter speed on the filter screen, an urgent need now is for a textile dye production filter equipment.
Disclosure of Invention
The invention aims to provide a filtering device for textile dye production, which aims to solve the problems in the background technology.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In order to achieve the purpose, the invention provides the following technical scheme:
a filtering device for textile dye production comprises a box body, a filtering cavity and a pressing plate, wherein the bottom of the box body is provided with a discharge chute, the filtering cavity is fixedly arranged between the bottom and the top in the box body, the discharge chute is positioned at the bottom of the filtering cavity, a hollowed-out mounting plate is fixedly arranged in the discharge chute, a fine-hole filtering screen plate is fixedly arranged on the hollowed-out mounting plate, a first motor is fixedly arranged at the bottom of the hollowed-out mounting plate, a rotating shaft is fixedly arranged at the output end of the first motor, sliding grooves are arranged on two sides in the filtering cavity, sliding blocks are fixedly arranged on two sides of the pressing plate and are in sliding fit with the sliding grooves, the pressing plate is in threaded rotating fit with the rotating shaft, a through hole is arranged on the pressing plate, a solenoid valve is fixedly arranged at the top of the through, the top of box is provided with one-level filtering component, be provided with second grade filtering component in the box.
Further, the top fixed mounting of box has into liquid fill, it has the limiting plate to advance the interior fixed mounting of liquid fill, fixed mounting has the coarse mesh filter screen board on the limiting plate.
Further, first cylinder is installed to the top symmetry of box, the top of filter chamber is provided with and runs through the groove, run through the inslot internal rotation and install the second cylinder, rotate on the box and install and put a cloth section of thick bamboo, it is located the left side of filter chamber to put a cloth section of thick bamboo, it has the filtration screen cloth to wind on the cloth section of thick bamboo to put, the right side of filter chamber is provided with the third motor, third motor fixed mounting is on the box, the output fixed mounting of third motor has a receipts cloth section of thick bamboo, it has the filtration screen cloth to wind on the receipts cloth section of thick bamboo, first cylinder and second cylinder and filtration screen cloth transmission fit.
Further, a second motor is fixedly mounted on the box body, a driving wheel is fixedly mounted at the output end of the second motor, a driven wheel is fixedly mounted on the cloth placing cylinder, and the driving wheel is in transmission fit with the driven wheel.
Furthermore, one side of the box body close to the third motor is rotatably provided with a pair of pinch rollers, the outer sides of the pinch rollers are provided with rubber covering layers, and the rubber covering layers are in transmission fit with the filter screen cloth.
Further, the bottom fixed mounting of box has the liquid reserve tank, the bottom fixedly connected with drain pipe of liquid reserve tank.
Furthermore, support rods are fixedly mounted on two sides of the bottom of the box body.
Compared with the prior art, the invention has the beneficial effects that: after the prefiltering of the primary filtering component and the secondary filtering component, the pressing plate is matched with the rotating scraper plate in a pressing mode, so that the filtering speed can be accelerated, and the scraper plate can prevent blockage in the filtering process.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the structure of region A in the present invention.
FIG. 3 is a schematic structural view of the pay-off reel of the present invention.
Fig. 4 is a schematic structural diagram of the pinch roller of the present invention.
In the figure: 1-box body, 2-filter cavity, 3-chute, 4-slide block, 5-press plate, 6-through hole, 7-electromagnetic valve, 8-discharge chute, 9-hollowed-out mounting plate, 10-first motor, 11-rotating shaft, 12-scraper, 13-fine-pore filter screen plate, 14-liquid storage tank, 15-liquid outlet pipe, 16-liquid inlet hopper, 17-limiting plate, 18-coarse-pore filter screen plate, 19-first roller, 20-second roller, 21-second motor, 22-driving wheel, 23-cloth discharge barrel, 24-driven wheel, 25-filter screen cloth, 26-through groove, 27-pressing wheel, 28-rubber covering layer, 29-third motor and 30-cloth collection barrel.
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.
Example 1
Referring to fig. 1 to 4, in the embodiment of the invention, a filter device for textile dye production comprises a box body 1, a filter cavity 2 and a pressing plate 5, wherein a discharge chute 8 is arranged at the bottom of the box body 1, the filter cavity 2 is fixedly arranged between the bottom and the top in the box body 1, the discharge chute 8 is positioned at the bottom of the filter cavity 2, a hollowed-out mounting plate 9 is fixedly arranged in the discharge chute 8, a fine-hole filter screen plate 13 is fixedly arranged on the hollowed-out mounting plate 9, a first motor 10 is fixedly arranged at the bottom of the hollowed-out mounting plate 9, a rotating shaft 11 is fixedly arranged at the output end of the first motor 10, sliding chutes 3 are arranged at two sides in the filter cavity 2, sliding blocks 4 are fixedly arranged at two sides of the pressing plate 5, the sliding blocks 4 are in sliding fit with the sliding chutes 3, the pressing plate 5 is in threaded and rotating, the top fixed mounting of through-hole 6 has solenoid valve 7, fixed mounting has scraper blade 12 on the axis of rotation 11, scraper blade 12 and pore filter plate 13 normal running fit, can be under the pressure that clamp plate 5 pushed down with higher speed the velocity of flow that the dyestuff passes through from pore filter plate 13, scraper blade 12 and pore filter plate 13 normal running fit can prevent that pore filter plate 13 from being stopped up and influencing filtration efficiency, the top of box 1 is provided with one-level filtering component, be provided with second grade filtering component in the box 1, can filter pore filter plate 13 and filter the prefilter before, can improve filtration efficiency and filter effect greatly.
The top fixed mounting of box 1 has into liquid fill 16, it has limiting plate 17 to advance the internal fixed mounting of liquid fill 16, fixed mounting has coarse pore filter screen 18 on the limiting plate 17, and coarse pore filter screen 18 can filter the large granule in the dyestuff, and the large granule after the filtration is stayed and can be cleared away on the coarse pore filter screen 18 manually.
Example 2
Referring to fig. 1 to 4, in the embodiment of the present invention, a second motor 21 is fixedly installed on the box body 1, a driving wheel 22 is fixedly installed at an output end of the second motor 21, a driven wheel 24 is fixedly installed on the cloth placing cylinder 23, the driving wheel 22 is in transmission fit with the driven wheel 24, so that cloth can be placed on the filter screen cloth 25 at a constant speed, and the filter screen cloth 25 can be prevented from being too much discharged due to the impact of the dye on the filter screen cloth 25.
One side of the box body 1 close to the third motor 29 is rotatably provided with a pair of pressing wheels 27, the outer sides of the pressing wheels 27 are provided with rubber covering layers 28, the rubber covering layers 28 are in transmission fit with the filter screen cloth 25, the filter screen cloth 25 can be limited, the filter screen cloth 25 is prevented from retracting, and the filter screen cloth 25 can be kept in a tight state.
The bottom fixed mounting of box 1 has liquid reserve tank 14, the bottom fixedly connected with drain pipe 15 of liquid reserve tank 14 can be to the dyestuff emission after the filtration.
The supporting rods are fixedly arranged on two sides of the bottom of the box body 1, so that the liquid storage box 14 can be prevented from being directly contacted with the ground, and the convenience in liquid drainage can be ensured.
The working principle of the invention is as follows: add textile dye through liquid inlet hopper 16, get into in box 1 after the filtration of coarse pore filter screen board 18, start second motor 21 and third motor 29, under the direction of first cylinder 19 and second cylinder 20, filter screen cloth 25 carries out the secondary filter to textile dye, open solenoid valve 7 and make the dyestuff pass through the lower extreme that through-hole 6 got into clamp plate 5, close solenoid valve 7 after reinforced finishing, it is rotatory to start first motor 10 and drive axis of rotation 11 and scraper blade 12, axis of rotation 11 and clamp plate 5 screw thread normal running fit, push down the dyestuff under the direction of 3 sliding fit of spout at sliding block 4, accelerate filter speed, rotatory scraper blade 12 can prevent that particle magazine from blockking up fine pore filter screen board 13, the dyestuff after the filtration passes through drain pipe 15 and discharges.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
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 (7)
1. The utility model provides a textile dye production uses filter equipment, includes box (1), filter chamber (2) and clamp plate (5), its characterized in that, the bottom of box (1) is provided with blown down tank (8), fixed mounting has filter chamber (2) between bottom and the top in box (1), blown down tank (8) are located the bottom of filter chamber (2), fixed mounting has fretwork mounting panel (9) in blown down tank (8), fixed mounting has pore filter plate (13) on fretwork mounting panel (9), the bottom fixed mounting of fretwork mounting panel (9) has first motor (10), the output fixed mounting of first motor (10) has axis of rotation (11), both sides are provided with spout (3) in filter chamber (2), the both sides fixed mounting of clamp plate (5) has sliding block (4), sliding block (4) and spout (3) sliding fit, the improved filter is characterized in that the pressing plate (5) is in threaded rotation fit with the rotating shaft (11), the pressing plate (5) is provided with a through hole (6), the top of the through hole (6) is fixedly provided with an electromagnetic valve (7), the rotating shaft (11) is fixedly provided with a scraper (12), the scraper (12) is in rotation fit with the pore filter screen plate (13), the top of the box body (1) is provided with a primary filter assembly, and a secondary filter assembly is arranged in the box body (1).
2. The filtering device for textile dye production according to claim 1, wherein a liquid inlet hopper (16) is fixedly installed at the top of the box body (1), a limiting plate (17) is fixedly installed in the liquid inlet hopper (16), and a coarse-pore filter screen plate (18) is fixedly installed on the limiting plate (17).
3. A filter device for textile dye production according to claim 1, the top of the box body (1) is symmetrically provided with first rollers (19), the top of the filter cavity (2) is provided with a through groove (26), a second roller (20) is rotatably arranged in the through groove (26), a cloth placing barrel (23) is rotatably arranged on the box body (1), the cloth placing cylinder (23) is positioned at the left side of the filtering cavity (2), the cloth placing cylinder (23) is wound with a filtering net cloth (25), a third motor (29) is arranged on the right side of the filter cavity (2), the third motor (29) is fixedly arranged on the box body (1), the output end of the third motor (29) is fixedly provided with a cloth collecting cylinder (30), the cloth collecting barrel (30) is wound with filter screen cloth (25), and the first roller (19) and the second roller (20) are in transmission fit with the filter screen cloth (25).
4. The filtering device for textile dye production as recited in claim 3, wherein a second motor (21) is fixedly mounted on the box body (1), a driving wheel (22) is fixedly mounted at an output end of the second motor (21), a driven wheel (24) is fixedly mounted on the cloth placing cylinder (23), and the driving wheel (22) is in transmission fit with the driven wheel (24).
5. A filter device for textile dye production according to claim 4, wherein a pair of pinch rollers (27) is rotatably mounted on the box body (1) on one side close to the third motor (29), a rubber covering layer (28) is arranged on the outer side of the pinch rollers (27), and the rubber covering layer (28) is in transmission fit with the filter screen cloth (25).
6. A filter device for textile dye production according to claim 5, wherein a liquid storage tank (14) is fixedly mounted at the bottom of the tank body (1), and a liquid outlet pipe (15) is fixedly connected to the bottom of the liquid storage tank (14).
7. The filtering device for textile dye production according to claim 6, wherein supporting rods are fixedly arranged on two sides of the bottom of the box body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011218899.6A CN112370860A (en) | 2020-11-04 | 2020-11-04 | Filter equipment is used in textile dye production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011218899.6A CN112370860A (en) | 2020-11-04 | 2020-11-04 | Filter equipment is used in textile dye production |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112370860A true CN112370860A (en) | 2021-02-19 |
Family
ID=74579358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011218899.6A Withdrawn CN112370860A (en) | 2020-11-04 | 2020-11-04 | Filter equipment is used in textile dye production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112370860A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113198350A (en) * | 2021-05-17 | 2021-08-03 | 江苏大学 | Treatment device for textile mixed dye wastewater and use method thereof |
-
2020
- 2020-11-04 CN CN202011218899.6A patent/CN112370860A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113198350A (en) * | 2021-05-17 | 2021-08-03 | 江苏大学 | Treatment device for textile mixed dye wastewater and use method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201632120U (en) | Rotary-absorbing self-cleaning type filter | |
CN210367202U (en) | Quartz sand pressure type filter | |
CN112370860A (en) | Filter equipment is used in textile dye production | |
CN205435146U (en) | Multiple -roll blue alga filter equipment | |
CN211435387U (en) | Sludge discharge device for sewage treatment | |
CN201291081Y (en) | Disk type fiber filter | |
CN102512870A (en) | Automatic back-washing combined filter | |
CN206008877U (en) | A kind of paint sand mill | |
CN2161363Y (en) | Fluidised filter | |
CN108554002A (en) | A kind of filter device for water conservancy | |
CN114748921A (en) | Device for efficiently filtering oil stains of engine | |
CN110508044B (en) | Non-chemical multiple filtration treatment equipment for water-based ink wastewater | |
CN207159676U (en) | A kind of low density hydraulic pulper manufactured for living-hygienic with paper body paper | |
CN216260358U (en) | Mongolian almond is planted with kind husky mixture ratio device | |
CN205925138U (en) | Female frame of removable posture | |
CN218421726U (en) | Dust removal structure is used in carburant processing | |
CN2253752Y (en) | Suction cleaning type fixed plain plate screen net | |
CN214821105U (en) | Old and useless material compression recovery plant | |
CN220072429U (en) | Silt screening machine | |
CN209323251U (en) | A kind of paper grade (stock) pressurized screen convenient for quick separating impurity | |
CN216108745U (en) | Water diversion structure for water conservancy and hydropower engineering | |
CN219586676U (en) | Sewage interception device | |
CN219308057U (en) | Spiral dehydrator with filter screen infiltration tank | |
CN219964210U (en) | Coarse sand filtering device of ceramic tile production sedimentation tank | |
CN213012307U (en) | Novel oil field extraction water double-filter material filter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |