CN114057243A - Sewage treatment plant convenient to wash - Google Patents
Sewage treatment plant convenient to wash Download PDFInfo
- Publication number
- CN114057243A CN114057243A CN202010747111.4A CN202010747111A CN114057243A CN 114057243 A CN114057243 A CN 114057243A CN 202010747111 A CN202010747111 A CN 202010747111A CN 114057243 A CN114057243 A CN 114057243A
- Authority
- CN
- China
- Prior art keywords
- shaped frame
- moving block
- treatment tank
- motor
- sewage treatment
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000037452 priming Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 239000007921 spray Substances 0.000 abstract description 7
- 239000013049 sediment Substances 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
-
- 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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0856—Cleaning of water-treatment installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention relates to the technical field of sewage treatment devices, in particular to a sewage treatment device convenient to clean, which comprises a treatment pool, wherein a gate is arranged at the left end of the treatment pool, a partition plate is arranged at the lower end of the treatment pool, a collection basket is fixed at the lower end of the partition plate, an opening is formed in the front end of the collection basket, a flashboard is arranged at the front end of the opening, a filter plate is inserted between the left end and the right end of the interior of the collection basket, a U-shaped frame is arranged in the treatment pool, a plurality of hairbrushes are uniformly clamped outside the U-shaped frame, a transverse screw rod is rotated to enable a moving block to move left and right on the inner side of a U-shaped frame of a square frame, so that a rotating shaft drives the U-shaped frame to move left and right in the treatment pool, the U-shaped frame drives the hairbrushes to clean the interior of the treatment pool, a water source is provided for a nozzle through a water pump to spray the interior of the treatment pool, and sediments cleaned by the hairbrushes can be washed away, the problem of present sewage treatment plant be not convenient for clear up is solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment devices, in particular to a sewage treatment device convenient to clean.
Background
Sewage treatment is a process of purifying sewage to meet the requirements of drainage or reuse of the sewage. The 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 closely related to the quality of life and environment of people.
At present, in a sewage treatment device, precipitates are generated in the process of treating wastewater, the precipitates in water are precipitated at the bottom of a treatment tank, the precipitates at the bottom of the treatment tank need to be cleaned regularly, the cleaning is very troublesome, and the precipitates are not convenient to discharge in the cleaning process.
Disclosure of Invention
The invention provides a sewage treatment device convenient to clean, and aims to solve the problem of inconvenience in cleaning in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sewage treatment device convenient to clean comprises a treatment tank:
the device comprises a treatment tank, a gate, a partition plate, a U-shaped frame, a rotating rod and a filter plate, wherein the gate is arranged at the left end of the treatment tank, the partition plate is arranged at the lower end of the treatment tank, a collection basket is fixed at the lower end of the partition plate, an opening is formed in the front end of the collection basket, a flashboard is arranged at the front end of the opening, the filter plate is inserted between the left end and the right end of the interior of the collection basket, the U-shaped frame is arranged in the treatment tank, a plurality of hairbrushes are uniformly connected to the exterior of the U-shaped frame through bolts, the rotating rod is fixed in the middle of the U-shaped frame, and the upper end of the rotating rod extends out of the upper end of the treatment tank;
the improved sewage treatment device is characterized in that a square frame is arranged above the treatment pool, support columns are fixed to four corners of the upper end of the partition plate, the upper ends of the support columns are fixedly connected with the four corners of the square frame, a moving block and a U-shaped frame are arranged on the inner side of the square frame, the moving block is located on the inner side of the U-shaped frame, a transverse screw is rotatably connected to the inner side of the U-shaped frame, a support rod is fixed to the inner side of the U-shaped frame, the support rod is located in front of the transverse screw, the support rod penetrates through the moving block and is slidably connected with the moving block, the transverse screw penetrates through the moving block and is in threaded connection with the moving block, a longitudinal screw is arranged at the rear end of the square frame, the front end of the longitudinal screw penetrates through the U-shaped frame and is in threaded connection with the U-shaped frame, a rotating shaft is rotatably connected to the lower end of the moving block, and the upper end of the rotating shaft is fixedly connected with the upper end of the rotating rod.
Furthermore, a dredging port is formed between the isolation plate and the treatment tank, and the treatment tank is communicated with the inside of the collection basket through the dredging port.
Further, the square frame lower extreme just is located the support column inboard and evenly installs a plurality of shower nozzle, the division board upper end is located the right-hand self priming water pump of installing of treatment pond, the self priming water pump meets with the shower nozzle through the pipeline.
Furthermore, a first motor is installed at the upper end of the moving block, the upper end of the rotating shaft penetrates through the upper end of the moving block to be rotatably connected with the power output end of the first motor, a second motor is installed at the rear end of the square frame, the rear end of the longitudinal screw penetrates through the rear end of the U-shaped frame to be rotatably connected with the power output end of the second motor, a third motor is installed at the right end of the U-shaped frame, and the right end of the transverse screw penetrates through the right end of the U-shaped frame to be rotatably connected with the power output end of the third motor.
Furthermore, the left end and the right end of the U-shaped frame are connected with the left end and the right end of the inner side of the square frame in a sliding mode.
Compared with the prior art, the invention has the following beneficial effects:
open the gate and can empty the inside water evacuation of treatment tank so that clear up the treatment tank, it rotates to drive the pivot through first motor, make the movable block remove about in the U type frame inboard of square frame through rotating horizontal screw rod, thereby control the pivot and drive the U-shaped frame and remove about in the treatment tank, the U-shaped frame rotates along with the pivot rotation, the U-shaped frame can drive the brush and will treat the inside clearance of tank, provide the water source for the shower nozzle through self priming pump and spray to the treatment tank inside, the shower nozzle sprays water to the treatment tank and can wash away the precipitate that the brush cleared up, the precipitate of the treatment tank inside can flow to the filter of collecting basket through dredging the opening along with rivers, open the flashboard and can take out the filter, it can clear up the precipitate of interception on the filter to take out.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is an external view of the U-shaped frame of the present invention.
In the figure: 1-a first motor, 2-a square frame, 3-a support column, 4-a self-priming water pump, 5-a treatment pool, 6-a gate, 7-a rotating rod, 8-a spray head, 9-a rotating shaft, 10-a separation plate, 11-a dredging port, 12-a filter plate, 13-a collection basket, 14-a flashboard, 15-a moving block, 16-a support rod, 17-a transverse screw rod, 18-a U-shaped frame, 19-a longitudinal screw rod, 20-a second motor, 21-a U-shaped frame, 22-a hairbrush and 23-a third motor.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 4:
the present invention provides an easy-to-clean sewage treatment apparatus including a treatment tank 5, and the following describes in detail each component of an easy-to-clean sewage treatment apparatus:
the left end of the treatment tank 5 is provided with a gate 6, the lower end of the treatment tank 5 is provided with a partition plate 10, the lower end of the partition plate 10 is fixed with a collection basket 13, the front end of the collection basket 13 is provided with an opening, the front end of the opening is provided with a flashboard 14, a filter plate 12 is inserted between the left end and the right end inside the collection basket 13, a U-shaped frame 21 is arranged inside the treatment tank 5, the outside of the U-shaped frame 21 is uniformly connected with a plurality of hairbrushes 22 through bolts, the middle part of the U-shaped frame 21 is fixed with a rotating rod 7, and the upper end of the rotating rod 7 extends out of the upper end of the treatment tank 5; a dredging hole 11 is formed between the isolation plate 10 and the treatment tank 5, and the treatment tank 5 is communicated with the interior of a collecting basket 13 through the dredging hole 11; a plurality of spray heads 8 are uniformly arranged at the lower end of the square frame 2 and positioned on the inner side of the support column 3, a self-priming water pump 4 is arranged at the upper end of the partition plate 10 and positioned on the right side of the treatment tank 5, and the self-priming water pump 4 is connected with the spray heads 8 through pipelines;
a square frame 2 is arranged above the treatment tank 5, supporting columns 3 are fixed at four corners of the upper end of the isolation plate 10, the upper end of the supporting column 3 is fixedly connected with four corners of the square frame 2, the inner side of the square frame 2 is provided with a moving block 15 and a U-shaped frame 18, the moving block 15 is positioned at the inner side of a U-shaped frame 18, a transverse screw rod 17 is rotatably connected at the inner side of the U-shaped frame 18, a support rod 16 is fixed on the inner side of the U-shaped frame 18, the support rod 16 is positioned in front of the transverse screw rod 17, the supporting rod 16 passes through the moving block 15 and is connected with the moving block 15 in a sliding way, the transverse screw 17 passes through the moving block 15 and is connected with the moving block 15 in a threaded way, the rear end of the square frame 2 is provided with a longitudinal screw rod 19, the front end of the longitudinal screw rod 19 passes through the U-shaped frame 18 and is in threaded connection with the U-shaped frame 18, the lower end of the moving block 15 is rotatably connected with a rotating shaft 9, and the lower end of the rotating shaft 9 is fixedly connected with the upper end of the rotating rod 7; the upper end of the moving block 15 is provided with a first motor 1, the upper end of the rotating shaft 9 penetrates through the upper end of the moving block 15 to be rotatably connected with the power output end of the first motor 1, the rear end of the square frame 2 is provided with a second motor 20, the rear end of the longitudinal screw 19 penetrates through the rear end of the U-shaped frame 18 to be rotatably connected with the power output end of the second motor 20, the right end of the U-shaped frame 18 is provided with a third motor 23, and the right end of the transverse screw 17 penetrates through the right end of the U-shaped frame 18 to be rotatably connected with the power output end of the third motor 23; the left end and the right end of the U-shaped frame 18 are connected with the left end and the right end of the inner side of the square frame 2 in a sliding manner;
specifically, the rotating rod 7 is connected with the rotating shaft 9, so that the U-shaped frame 21 is suspended in the treatment tank 5, the first motor 1 is started to drive the rotating shaft 9 to rotate, the rotating rod 7 drives the U-shaped frame 21 to rotate along with the rotation of the rotating shaft 9, the hairbrush 22 cleans sediments in the treatment tank 5 along with the rotation of the U-shaped frame 21, the second motor 20 is turned on to drive the longitudinal screw rod 19 to rotate, the U-shaped frame 18 slides back and forth on the inner side of the frame 2 along with the rotation of the longitudinal screw rod 19, the U-shaped frame 18 drives the moving block 15 to move back and forth in the frame 2, the moving block 15 is driven to move left and right on the supporting rod 16 by turning on the third motor 23 to rotate the transverse screw 17, therefore, the moving block 15 moves forwards, backwards, leftwards and rightwards to drive the rotating shaft 9 to move forwards, backwards, leftwards and rightwards, the rotating shaft 9 drives the U-shaped frame 21 to move forwards, backwards, leftwards and rightwards through the rotating rod 7, and the U-shaped frame 21 moves forwards, backwards, leftwards and rightwards in the treatment pool 5 so that the treatment pool 5 is cleaned by the brush 22;
further, start self priming water pump 4, self priming water pump 4 is drawn water through the pipeline, make self priming water pump 4 supply water for shower nozzle 8, spray water and wash away the precipitate that brush 22 brushed down to handling pond 5 through shower nozzle 8, the water of 5 inside in handling pond can enter into on the filter 12 of collecting basket 13 inside through dredging opening 11, the precipitate of aquatic can be collected filter 12 along with rivers entering into, before clearance filter 12, through opening the water evacuation that pond 5 will be handled to gate 6, open and collect the preceding flashboard 14 of basket 13 and can clear up filter 12.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a sewage treatment plant convenient to wash, includes treatment tank (5), its characterized in that:
the treatment device is characterized in that a gate (6) is installed at the left end of the treatment tank (5), a partition plate (10) is installed at the lower end of the treatment tank (5), a collection basket (13) is fixed at the lower end of the partition plate (10), an opening is formed in the front end of the collection basket (13), a flashboard (14) is installed at the front end of the opening, a filter plate (12) is inserted between the left end and the right end of the interior of the collection basket (13), a U-shaped frame (21) is arranged in the treatment tank (5), a plurality of hairbrushes (22) are uniformly connected to the exterior of the U-shaped frame (21) through bolts, a rotating rod (7) is fixed in the middle of the U-shaped frame (21), and the upper end of the rotating rod (7) extends out of the upper end of the treatment tank (5);
a square frame (2) is arranged above the treatment pool (5), supporting columns (3) are fixed at four corners of the upper end of the partition plate (10), the upper ends of the supporting columns (3) are fixedly connected with the four corners of the square frame (2), a moving block (15) and a U-shaped frame (18) are arranged on the inner side of the square frame (2), the moving block (15) is located on the inner side of the U-shaped frame (18), a transverse screw (17) is rotatably connected to the inner side of the U-shaped frame (18), a supporting rod (16) is fixed on the inner side of the U-shaped frame (18), the supporting rod (16) is located in front of the transverse screw (17), the supporting rod (16) penetrates through the moving block (15) and is slidably connected with the moving block (15), the transverse screw (17) penetrates through the moving block (15) and is in threaded connection with the moving block (15), a longitudinal screw (19) is arranged at the rear end of the square frame (2), and the front end of the longitudinal screw (19) penetrates through the U-shaped frame (18) and is in threaded connection with the U-shaped frame (18), the lower end of the moving block (15) is rotatably connected with a rotating shaft (9), and the lower end of the rotating shaft (9) is fixedly connected with the upper end of the rotating rod (7).
2. The sewage treatment apparatus convenient to clean according to claim 1, wherein: opening between division board (10) and treatment tank (5) has dredged opening (11), treatment tank (5) are through dredging opening (11) and collecting basket (13) inside communicating with each other.
3. The sewage treatment apparatus convenient to clean according to claim 1, wherein: square frame (2) lower extreme just is located support column (3) inboard and evenly installs a plurality of shower nozzle (8), division board (10) upper end is located treatment pond (5) right-hand self priming pump (4) of installing, self priming pump (4) meet through pipeline and shower nozzle (8).
4. The sewage treatment apparatus convenient to clean according to claim 1, wherein: the automatic feeding device is characterized in that a first motor (1) is installed at the upper end of the moving block (15), the upper end of the rotating shaft (9) penetrates through the upper end of the moving block (15) to be rotatably connected with a power output end of the first motor (1), a second motor (20) is installed at the rear end of the square frame (2), the rear end of the longitudinal screw (19) penetrates through the rear end of the U-shaped frame (18) to be rotatably connected with the power output end of the second motor (20), a third motor (23) is installed at the right end of the U-shaped frame (18), and the right end of the transverse screw (17) penetrates through the right end of the U-shaped frame (18) to be rotatably connected with the power output end of the third motor (23).
5. The sewage treatment apparatus convenient to clean according to claim 1, wherein: the left end and the right end of the U-shaped frame (18) are connected with the left end and the right end of the inner side of the square frame (2) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747111.4A CN114057243A (en) | 2020-07-29 | 2020-07-29 | Sewage treatment plant convenient to wash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747111.4A CN114057243A (en) | 2020-07-29 | 2020-07-29 | Sewage treatment plant convenient to wash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114057243A true CN114057243A (en) | 2022-02-18 |
Family
ID=80226937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747111.4A Pending CN114057243A (en) | 2020-07-29 | 2020-07-29 | Sewage treatment plant convenient to wash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114057243A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029468A (en) * | 2017-06-22 | 2017-08-11 | 太仓市思卡拓机械科技有限公司 | A kind of apparatus for treating sewage of automatic drying screen pack |
| CN208071462U (en) * | 2018-03-20 | 2018-11-09 | 江苏省嘉庆水务发展有限公司 | A kind of formula sewage water advanced treatment apparatus by different level |
| CN108944827A (en) * | 2018-07-20 | 2018-12-07 | 吴佳锋 | A kind of car roof Quick cleaning device |
| CN209081700U (en) * | 2018-09-18 | 2019-07-09 | 中润祥环保科技有限公司 | A kind of Treatment of Sludge integrated apparatus |
| CN209809602U (en) * | 2019-04-22 | 2019-12-20 | 许刘岩 | Purifier for sewage treatment |
| CN209985932U (en) * | 2019-05-07 | 2020-01-24 | 福建璞森科技有限公司 | Sewage treatment is with flocculation and precipitation pond cleaning device |
| CN210304916U (en) * | 2019-05-05 | 2020-04-14 | 无锡沃德科自控技术有限公司 | Coal carriage debris cleaning device |
| CN210612969U (en) * | 2019-07-25 | 2020-05-26 | 东莞市康莱环保科技有限公司 | Sewage treatment device |
| CN211071165U (en) * | 2019-08-29 | 2020-07-24 | 庄辉 | Energy-concerving and environment-protective chemical industry belt cleaning device |
-
2020
- 2020-07-29 CN CN202010747111.4A patent/CN114057243A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029468A (en) * | 2017-06-22 | 2017-08-11 | 太仓市思卡拓机械科技有限公司 | A kind of apparatus for treating sewage of automatic drying screen pack |
| CN208071462U (en) * | 2018-03-20 | 2018-11-09 | 江苏省嘉庆水务发展有限公司 | A kind of formula sewage water advanced treatment apparatus by different level |
| CN108944827A (en) * | 2018-07-20 | 2018-12-07 | 吴佳锋 | A kind of car roof Quick cleaning device |
| CN209081700U (en) * | 2018-09-18 | 2019-07-09 | 中润祥环保科技有限公司 | A kind of Treatment of Sludge integrated apparatus |
| CN209809602U (en) * | 2019-04-22 | 2019-12-20 | 许刘岩 | Purifier for sewage treatment |
| CN210304916U (en) * | 2019-05-05 | 2020-04-14 | 无锡沃德科自控技术有限公司 | Coal carriage debris cleaning device |
| CN209985932U (en) * | 2019-05-07 | 2020-01-24 | 福建璞森科技有限公司 | Sewage treatment is with flocculation and precipitation pond cleaning device |
| CN210612969U (en) * | 2019-07-25 | 2020-05-26 | 东莞市康莱环保科技有限公司 | Sewage treatment device |
| CN211071165U (en) * | 2019-08-29 | 2020-07-24 | 庄辉 | Energy-concerving and environment-protective chemical industry belt cleaning device |
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