CN111991885A - Take waste water treatment equipment of multi-stage filtration - Google Patents
Take waste water treatment equipment of multi-stage filtration Download PDFInfo
- Publication number
- CN111991885A CN111991885A CN202010765145.6A CN202010765145A CN111991885A CN 111991885 A CN111991885 A CN 111991885A CN 202010765145 A CN202010765145 A CN 202010765145A CN 111991885 A CN111991885 A CN 111991885A
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- Prior art keywords
- box body
- lead screw
- box
- communicated
- collecting
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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.)
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Links
- 238000001914 filtration Methods 0.000 title claims abstract description 46
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 11
- 210000004209 hair Anatomy 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 15
- 239000010865 sewage Substances 0.000 abstract description 11
- 230000001680 brushing effect Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating 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
- B01D29/50—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
- B01D29/01—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
- B01D29/62—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
- B01D29/6484—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 translatory movement with respect to the filtering element
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a wastewater treatment device with multistage filtration, which comprises a box body, wherein the bottom of the side wall of the box body is communicated with a discharge pipe; a plurality of filter plates are sequentially arranged in the box body from top to bottom, two opposite side walls of the box body are provided with sewage cleaning ports corresponding to the filter plates, collecting boxes are arranged on the outer sides of the sewage cleaning ports and communicated with the interior of the box body through the sewage cleaning ports, the top of each collecting box is open, and a box cover is arranged on each collecting box; a first lead screw penetrates through the space between the two collecting boxes at the same height through a bearing, and the first lead screw is driven by a first motor; the first screw rod is provided with a first slide block, one side of the first slide block is provided with a scraper, the bottom of the scraper abuts against the top surface of the corresponding filter plate to slide, and the scraper is driven by the first slide block to enter and exit two collecting boxes at the same height; the multistage filtering treatment can be carried out, and the filtering quality is effectively improved; and the top surface of the filtering component can be cleaned by scraping and brushing, so that the filtering component is effectively prevented from being blocked by filtering impurities, smooth filtering is ensured, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of wastewater treatment equipment, in particular to wastewater treatment equipment with multistage filtration.
Background
With the rapid development of economy in China, the consumption of water resources is increased exponentially, on one hand, the water resources are in short supply, on the other hand, a large amount of wastewater is increased, so that great pressure is caused on the sustainable development of society and environment, the sewage treatment is a process for purifying sewage to meet the water quality requirement of drainage or reuse, and the sewage treatment is widely applied to various fields and also increasingly enters the daily life of common people; most of the existing filtering equipment only has a simple primary filtering component, the filtering effect is limited, and impurities are easy to accumulate on the filtering component to influence normal filtering.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the wastewater treatment equipment with the multistage filtration, which has a novel structure, can perform multistage filtration treatment and effectively improve the filtration quality; and the top surface of the filtering component can be cleaned by scraping and brushing, so that the filtering component is effectively prevented from being blocked by filtering impurities, smooth filtering is ensured, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a wastewater treatment device with multistage filtration, which comprises a box body with an open top, wherein the bottom of the side wall of the box body is communicated with a discharge pipe, and the discharge pipe is provided with a switch valve; a plurality of filter plates are sequentially arranged in the box body from top to bottom, two opposite side walls of the box body are provided with sewage cleaning ports corresponding to the filter plates, the width of each sewage cleaning port is consistent with that of each filter plate, collecting boxes are arranged on the outer sides of the sewage cleaning ports and communicated with the interior of the box body through the sewage cleaning ports, and the tops of the collecting boxes are open and provided with box covers; a first lead screw penetrates through the space between the two collecting boxes at the same height through a bearing, one end of the first lead screw protrudes out of the outer side of each collecting box, and the end part of the first lead screw is in transmission connection with an output shaft of a first motor through a gear set; the filter plate is characterized in that a first sliding block is arranged on the first lead screw, a scraping plate is fixedly arranged on one side of the first sliding block, the bottom of the scraping plate supports against the top surface of the corresponding filter plate to slide, and the scraping plate is driven by the first sliding block to enter and exit two collecting boxes at the same height.
In a preferred technical scheme of the invention, a second lead screw penetrates through two side walls of the top of the box body through a bearing, the second lead screw is parallel to the first lead screw, one end of the second lead screw protrudes out of the outer wall of the box body, and the end part of the second lead screw is connected with an output shaft of a second motor through a coupler; be equipped with the second slider on the second lead screw, the fixed mounting panel that is equipped with in bottom of second slider, the shower is installed to the mounting panel bottom surface, the bottom intercommunication of shower has a plurality of shower nozzles, the water tank that is used for depositing the hair dissolving agent is installed to the outer wall of box, the suction pump is installed at the top of water tank, the water inlet of suction pump with the lateral wall bottom of water tank is through first pipeline intercommunication, the delivery port intercommunication of suction pump is equipped with the second pipeline, the second pipeline is fixed in through the pipe strap the box outer wall, the vertical extension of second pipeline, the top of second pipeline with the shower is through water delivery hose intercommunication.
In a preferred technical scheme of the invention, a one-way valve is arranged on the second pipeline.
In a preferred technical scheme of the invention, one side of the box cover, which is far away from the box body, is pivoted with the top of the collection box, and the other side of the box cover is buckled with the collection box.
In a preferred technical scheme of the invention, a first perspective window is embedded and installed on the side wall of the collecting box.
In a preferred technical scheme of the invention, a second perspective window is embedded in the side wall of the box body, the second perspective window is of a vertically extending strip-shaped structure, the top end of the second perspective window extends to the second lead screw, and the bottom end of the second perspective window extends to the inner wall of the bottom of the box body.
In a preferred technical scheme of the invention, the diameters of the filter holes of the plurality of filter plates are different, and the diameters of the filter holes are sequentially reduced from top to bottom.
In a preferred technical scheme of the invention, the inner wall of the bottom of the box body is obliquely arranged, and the discharge pipe is communicated with the side with lower inclination.
The invention has the beneficial effects that:
the wastewater treatment equipment with the multi-stage filtration, provided by the invention, is novel in structure, and the multi-stage filtration treatment can be realized by arranging the multiple layers of filter plates, so that the filtration quality is effectively improved; the first lead screws are erected above the filter plates and driven by corresponding first motors to drive the scraping plates to closely slide on the top surfaces of the filter plates, so that impurities attached to the top surfaces of the filter plates are scraped, the filter plates are effectively prevented from being blocked by the filtered impurities, smooth filtering is ensured, and the working efficiency is improved; and the box corresponds all to be equipped with the mouth of decontaminating on the both sides wall of filter plate, and the collection box is installed in the outside of the mouth of decontaminating, drives impurity toward collecting the box direction along the gliding scraper blade of first lead screw and promotes to in sending into the collection box through the mouth of decontaminating, convenient subsequent impurity clearance, convenient operation.
Drawings
FIG. 1 is a front view of a wastewater treatment facility with multi-stage filtration provided in an embodiment of the present invention;
FIG. 2 is a rear view of a wastewater treatment facility with multi-stage filtration provided in an embodiment of the present invention;
FIG. 3 is a schematic view showing the internal structure of a wastewater treatment facility with multi-stage filtration according to an embodiment of the present invention.
In the figure:
100. a box body; 110. a discharge pipe; 120. filtering the plate; 130. cleaning a sewage port; 140. a second perspective window; 200. a collection box; 210. a box cover; 220. a first perspective window; 310. a first lead screw; 320. a first motor; 330. a first slider; 340. a squeegee; 410. a second lead screw; 420. a second motor; 430. a second slider; 440. mounting a plate; 450. a shower pipe; 460. a spray head; 510. a water tank; 520. a water pump; 530. a first conduit; 540. a second conduit; 550. a water delivery hose; 560. a one-way valve.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, in the embodiment of the present invention, a wastewater treatment apparatus with multi-stage filtration is disclosed, which comprises a tank 100 with an open top, wherein a discharge pipe 110 is communicated with the bottom of the side wall of the tank 100, and a switch valve is arranged on the discharge pipe 110; a plurality of filter plates 120 are sequentially arranged in the box body 100 from top to bottom, two opposite side walls of the box body 100 are provided with dirt cleaning openings 130 corresponding to the filter plates 120, the width of each dirt cleaning opening 130 is consistent with that of each filter plate 120, collecting boxes 200 are arranged on the outer sides of the dirt cleaning openings 130, the collecting boxes 200 are communicated with the interior of the box body 100 through the dirt cleaning openings 130, and the tops of the collecting boxes 200 are open and provided with box covers 210; a first lead screw 310 penetrates through the two collecting boxes 200 at the same height through a bearing, one end of the first lead screw 310 protrudes out of the outer sides of the collecting boxes 200, and the end part of the first lead screw is in transmission connection with an output shaft of a first motor 320 through a gear set; the first lead screw 310 is provided with a first slide block 330, one side of the first slide block 330 is fixedly provided with a scraper 340, the bottom of the scraper 340 supports against the top surface of the corresponding filter plate 120 to slide, and the scraper 340 is driven by the first slide block 330 to enter and exit two collection boxes 200 at the same height.
The wastewater treatment equipment with the multi-stage filtration is novel in structure, and the multi-stage filtration treatment can be realized by arranging the plurality of layers of filter plates 120, so that the filtration quality is effectively improved; a first lead screw 310 is erected above each filter plate 120, the first lead screws 310 are driven by corresponding first motors 320, and the scraping plates 340 are driven to slide along the top surfaces of the filter plates 120, so that impurities attached to the top surfaces of the filter plates 120 are scraped, the filter plates 120 are effectively prevented from being blocked by the filtered impurities, smooth filtration is ensured, and the working efficiency is improved; the two side walls of the box body 100 corresponding to the filter plates 120 are respectively provided with a dirt cleaning opening 130, the collecting box 200 is arranged on the outer side of the dirt cleaning opening 130, the scraper 340 sliding along the first screw 310 drives the impurities to be pushed towards the collecting box 200, and the impurities are conveyed into the collecting box 200 through the dirt cleaning opening 130, so that the subsequent impurity cleaning is facilitated, and the operation is convenient; it should be noted that the scraping and brushing operation is performed once at preset time intervals, and the scraping plate 340 is moved to and fro completely without continuous operation; the scraping and brushing actions can also be started by workers.
Further, a second lead screw 410 is arranged between two side walls of the top of the box 100 in a penetrating manner through a bearing, the second lead screw 410 is parallel to the first lead screw 310, one end of the second lead screw 410 protrudes out of the outer wall of the box 100, and the end part of the second lead screw is connected with an output shaft of a second motor 420 through a coupling; the second lead screw 410 is provided with a second slider 430, the bottom of the second slider 430 is fixedly provided with a mounting plate 440, the bottom surface of the mounting plate 440 is provided with a spray pipe 450, the bottom of the spray pipe 450 is communicated with a plurality of spray heads 460, the outer wall of the box body 100 is provided with a water tank 510 for storing a hair dissolving agent, the top of the water tank 510 is provided with a water pump 520, the water inlet of the water pump 520 is communicated with the bottom of the side wall of the water tank 510 through a first pipeline 530, the water outlet of the water pump 520 is communicated with a second pipeline 540, the second pipeline 540 is fixed on the outer wall of the box body 100 through a pipe clamp, the second pipeline 540 extends vertically, and the top end of the second pipeline 540 is communicated with the spray pipe 450 through a water hose 550; a check valve 560 is arranged on the second pipeline 540; for impurities, the hair is easy to cause filter hole blockage and is not easy to scrape and clean; the water tank 510, the water pump 520, the spray pipe 450, the spray head 460, the second lead screw 410 and the second motor 420 are matched, so that the hair dissolving agent stored in the water tank 510 can be sprayed, hairs can be effectively dissolved, blockage is prevented, and in addition, movable spraying is adopted, the spraying area of the agent is effectively increased, the cleaning range is enlarged, and the cleaning effect is ensured; it should be noted that, the spraying of the hair dissolving agent is performed once at preset time intervals, and the spraying time length is also set, or the spraying is started by a worker, so that continuous work is not required.
Further, one side of the box cover 210 away from the box body 100 is pivotally connected with the top of the collection box 200, and the other side is fastened with the collection box 200; this structural design can facilitate the clearance to the impurity in collecting box 200.
Further, a first transparent window 220 is embedded in the side wall of the collecting box 200; this structural design can conveniently look over the inside impurity of collecting box 200 and pile up the condition, is convenient for carry out timely clearance.
Further, a second perspective window 140 is embedded in the side wall of the box body 100, the second perspective window 140 is in a vertically extending strip-shaped structure, the top end of the second perspective window 140 extends to the second lead screw 410, and the bottom end of the second perspective window extends to the inner wall of the bottom of the box body 100; this structural design can conveniently look over the inside filtration condition of box 100 and the removal condition of scraper blade 340, is convenient for in time discover and solve the problem.
Further, the diameters of the filter holes of the plurality of filter plates 120 are different, and the diameters of the filter holes are sequentially reduced from top to bottom; further ensuring the filtering effect.
Further, the inner wall of the bottom of the box 100 is disposed obliquely, and the discharge pipe 110 is communicated with the lower side of the inclination; the discharge of the filtered wastewater is convenient.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a take multistage filtration's waste water treatment equipment which characterized in that:
the device comprises a box body (100) with an open top, wherein a discharge pipe (110) is communicated with the bottom of the side wall of the box body (100), and a switch valve is arranged on the discharge pipe (110); the novel filter box is characterized in that a plurality of filter plates (120) are sequentially arranged in the box body (100) from top to bottom, two opposite side walls of the box body (100) are provided with dirt cleaning openings (130) corresponding to the filter plates (120), the width of each dirt cleaning opening (130) is consistent with that of each filter plate (120), collecting boxes (200) are arranged on the outer sides of the dirt cleaning openings (130), the collecting boxes (200) are communicated with the interior of the box body (100) through the dirt cleaning openings (130), and the top of each collecting box (200) is open and is provided with a box cover (210); a first lead screw (310) penetrates through a bearing between the two collecting boxes (200) at the same height, one end of the first lead screw (310) protrudes out of the outer side of the collecting boxes (200), and the end part of the first lead screw is in transmission connection with an output shaft of a first motor (320) through a gear set; the filter plate is characterized in that a first sliding block (330) is arranged on the first lead screw (310), a scraping plate (340) is fixedly arranged on one side of the first sliding block (330), the bottom of the scraping plate (340) abuts against the top surface of the corresponding filter plate (120) to slide, and the scraping plate (340) is driven by the first sliding block (330) to enter and exit two collecting boxes (200) at the same height.
2. The wastewater treatment plant with multi-stage filtration according to claim 1, characterized in that:
a second lead screw (410) penetrates through two side walls of the top of the box body (100) through a bearing, the second lead screw (410) is parallel to the first lead screw (310), one end of the second lead screw (410) protrudes out of the outer wall of the box body (100), and the end part of the second lead screw is connected with an output shaft of a second motor (420) through a coupler; a second sliding block (430) is arranged on the second lead screw (410), a mounting plate (440) is fixedly arranged at the bottom of the second sliding block (430), a spray pipe (450) is arranged on the bottom surface of the mounting plate (440), a plurality of spray heads (460) are communicated with the bottom of the spray pipe (450), the outer wall of the box body (100) is provided with a water tank (510) for storing a hair dissolving agent, a water suction pump (520) is installed at the top of the water tank (510), a water inlet of the water suction pump (520) is communicated with the bottom of the side wall of the water tank (510) through a first pipeline (530), a water outlet of the water pump (520) is communicated with a second pipeline (540), the second pipeline (540) is fixed on the outer wall of the box body (100) through a pipe clamp, the second pipeline (540) extends vertically, and the top end of the second pipeline (540) is communicated with the spray pipe (450) through a water delivery hose (550).
3. The wastewater treatment plant with multi-stage filtration according to claim 2, characterized in that:
a one-way valve (560) is arranged on the second pipeline (540).
4. The wastewater treatment plant with multi-stage filtration according to claim 1, characterized in that:
one side of the box cover (210) far away from the box body (100) is pivoted with the top of the collecting box (200), and the other side of the box cover is buckled with the collecting box (200).
5. The wastewater treatment plant with multi-stage filtration according to claim 1, characterized in that:
the side wall of the collecting box (200) is embedded with a first perspective window (220).
6. The wastewater treatment plant with multi-stage filtration according to claim 2, characterized in that:
the lateral wall of box (100) inlays to establish and installs second perspective window (140), second perspective window (140) are vertical extension's rectangular form structure, the top of second perspective window (140) extends to second lead screw (410) department, bottom extend to the bottom inner wall of box (100).
7. The wastewater treatment plant with multi-stage filtration according to claim 1, characterized in that:
the diameters of the filter holes of the plurality of filter plates (120) are different, and the diameters of the filter holes are sequentially reduced from top to bottom.
8. The wastewater treatment plant with multi-stage filtration according to claim 1, characterized in that:
the inner wall of the bottom of the box body (100) is obliquely arranged, and the discharge pipe (110) is communicated with the lower side of the inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765145.6A CN111991885A (en) | 2020-08-03 | 2020-08-03 | Take waste water treatment equipment of multi-stage filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765145.6A CN111991885A (en) | 2020-08-03 | 2020-08-03 | Take waste water treatment equipment of multi-stage filtration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111991885A true CN111991885A (en) | 2020-11-27 |
Family
ID=73463416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010765145.6A Pending CN111991885A (en) | 2020-08-03 | 2020-08-03 | Take waste water treatment equipment of multi-stage filtration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111991885A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207562434U (en) * | 2017-12-01 | 2018-07-03 | 深圳市绿通环保技术有限公司 | A kind of wastewater treatment equipment |
| CN208372585U (en) * | 2018-01-03 | 2019-01-15 | 凉山矿业股份有限公司 | A kind of purification and impurity removal device in used oil processing |
| CN111085030A (en) * | 2020-01-16 | 2020-05-01 | 山东中医药大学 | Prevent filter equipment for medicine experiments of medicine adhesion |
| CN210974271U (en) * | 2019-11-22 | 2020-07-10 | 徐州市国栋生化装备有限公司 | High-efficient quick industrial waste water treatment device |
-
2020
- 2020-08-03 CN CN202010765145.6A patent/CN111991885A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207562434U (en) * | 2017-12-01 | 2018-07-03 | 深圳市绿通环保技术有限公司 | A kind of wastewater treatment equipment |
| CN208372585U (en) * | 2018-01-03 | 2019-01-15 | 凉山矿业股份有限公司 | A kind of purification and impurity removal device in used oil processing |
| CN210974271U (en) * | 2019-11-22 | 2020-07-10 | 徐州市国栋生化装备有限公司 | High-efficient quick industrial waste water treatment device |
| CN111085030A (en) * | 2020-01-16 | 2020-05-01 | 山东中医药大学 | Prevent filter equipment for medicine experiments of medicine adhesion |
Non-Patent Citations (1)
| Title |
|---|
| 三省出版社第2编辑部主编: "《家庭生活大百科》", 30 June 2010 * |
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Application publication date: 20201127 |