CN111991854B - Radial flow sedimentation tank convenient to clearance bed mud - Google Patents
Radial flow sedimentation tank convenient to clearance bed mud Download PDFInfo
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- CN111991854B CN111991854B CN202010844207.2A CN202010844207A CN111991854B CN 111991854 B CN111991854 B CN 111991854B CN 202010844207 A CN202010844207 A CN 202010844207A CN 111991854 B CN111991854 B CN 111991854B
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- mud
- transfer cylinder
- sedimentation tank
- radial flow
- cleaning
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- 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
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
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- 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
- B01D21/2433—Discharge mechanisms for floating particles
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a radial flow sedimentation tank convenient for cleaning bottom mud, which comprises a circular reservoir, wherein a central column is arranged in the circular reservoir, a water inlet pipe and a mud discharge pipe are arranged on the circular reservoir, a water discharge groove is arranged in the circular reservoir, a cross beam is rotatably arranged on the central column, a walking device is arranged on the cross beam, an L-shaped mounting frame is arranged on the cross beam, a mud removing mechanism is arranged on the L-shaped mounting frame, the mud removing mechanism comprises a mud scraping plate, a holding tank, a first transfer cylinder and a second transfer cylinder which are fixedly connected, the holding tank and the second transfer cylinder are both communicated with the first transfer cylinder, first sealing plates are fixedly arranged at two ends of the holding tank and the first transfer cylinder, and a mud transfer paddle is arranged on the first sealing plates and is used for solving the problem that the bottom mud is accumulated and slides along the mud scraping plate and falls behind the mud scraping plate when the amount of the bottom mud is larger in the existing sedimentation tank, the mud scraper is difficult to concentrate the bottom mud to the middle part of the pool bottom, and the cleaning efficiency is low.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a radial flow type sedimentation tank convenient for bottom mud cleaning.
Background
The ideal corollary equipment of the sedimentation tank in the sewage treatment process by the radial flow sedimentation tank semi-bridge peripheral transmission mud scraping activated sludge method is suitable for a primary sedimentation tank or a secondary sedimentation tank, and the main function is to remove the sludge precipitated in the sedimentation tank and floaters on the surface layer of the water surface. At present, radial flow sedimentation tank generally includes the mud scraper in circular shape cell body and the cell body, and the cell body bottom is equipped with the sludge bucket, is equipped with the mud pipe on the sludge bucket lateral wall, and the during operation can scrape the mud of cell body bottom into the sludge bucket through the mud scraper in, then discharges through the mud pipe again, and simultaneously, the top sets up scrapes the dross of scum board with the cell face and scrapes to the scum hopper inflow scum pond. But when the sludge amount is great, the mud scraper of mud scraper appears the bed mud easily when striking off the bed mud and piles up, and accumulational bed mud slides along the mud scraper and drops in the mud scraper rear, leads to the mud scraper to be difficult to concentrate the bed mud to bottom of the pool middle part, and cleaning efficiency is lower.
Disclosure of Invention
The purpose of the invention is: the radial flow sedimentation tank is used for solving the problems that the existing sedimentation tank is used for clearing sediment, when the sediment amount is large, the sediment is accumulated to slide along the mud scraping plate and drops at the rear of the mud scraping plate, the mud scraping plate is difficult to concentrate the sediment to the middle part of the bottom of the tank, and the clearing efficiency is low.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a radial flow sedimentation tank convenient for bottom mud cleaning comprises a circular reservoir, wherein a central column is installed in the circular reservoir, the central column is a hollow cylinder, a water outlet is formed in the central column, a water inlet pipe and a mud discharging pipe are installed on the circular reservoir, the water inlet pipe is communicated with the central column, the mud discharging pipe is communicated with the circular reservoir, a water discharging groove is installed in the circular reservoir, a water discharging pipe is connected in the water discharging groove, a beam is rotatably installed on the central column, a walking device is installed on the beam, an L-shaped mounting frame is installed on the beam, a mud removing mechanism is installed on the L-shaped mounting frame and comprises a mud scraping plate, a holding tank, a first transfer cylinder and a second transfer cylinder which are fixedly connected, a connecting seat is integrally formed on the mud scraping plate and fixedly connected with the L-shaped mounting frame, and the holding tank and the second transfer cylinder are both communicated with the first transfer cylinder, the containing tank and the two ends of the first transfer cylinder are fixedly provided with first sealing plates, one end of the second transfer cylinder is provided with a second sealing plate, the other end of the second transfer cylinder is provided with a mounting seat, the mounting seat is fixed on the first transfer cylinder, the first sealing plate is provided with a mud-turning paddle, the mud-turning paddle comprises a first rotating shaft and a plurality of arc-shaped blades which are uniformly arranged on the first rotating shaft, the first rotating shaft is provided with a first driving wheel and a second driving wheel, the second rotating shaft is arranged between the mounting seat and the second sealing plate, the second rotating shaft is provided with a packing auger and a third driving wheel, a first driving belt is wound between the first driving wheel and the third driving wheel, the cross beam is provided with a first motor, a first driving wheel is arranged on a motor shaft of the first motor, a second driving belt is wound between the first driving wheel and the second driving wheel, and the walking device comprises a second motor, a second driving wheel is mounted on a motor shaft of the second motor, a roller seat is arranged at the bottom end of the cross beam, a roller shaft penetrates through the roller seat, a roller and a fourth driving wheel are mounted on the roller shaft, a third driving belt is wound between the fourth driving wheel and the second driving wheel, and the roller is in contact with the top end of the circular reservoir.
On the basis of the technical scheme, the invention also improves the following steps:
further, circular cistern includes fixed connection's bottom of the pool and pool wall, the bottom of the pool is the toper structure, the center of bottom of the pool is equipped with the mud collection groove, mud pipe and mud collection groove intercommunication. The bottom of the pool is of a conical structure, so that bottom mud is conveniently concentrated to the bottom of the pool, and the bottom mud is conveniently cleaned.
Furthermore, a slag blocking net ring is arranged on the drainage groove. The drainage groove is isolated by the slag blocking net ring, so that the influence of impurities floating on the surface of the sewage on the effluent quality is avoided.
Further, a slag scraping plate is installed at the bottom end of the cross beam. The slag scraping plate can be used for cleaning floating impurities on the surface of the drainage channel.
Further, a slag blocking mesh enclosure is installed at one end of the slag scraping plate and is arranged outside the second transmission belt. Through the isolation of the slag blocking mesh enclosure to the second transmission belt, the situation that the floating sundries on the surface of the drainage tank are twisted into the second transmission belt to affect use is avoided.
Furthermore, a reinforcing rib is connected between the L-shaped mounting frame and the mud scraper. The structural strength of the L-shaped mounting rack is improved through the reinforcing ribs, and the L-shaped mounting rack can be prevented from deforming to influence the use of the mud scraper.
Furthermore, the arc-shaped blades are at least four, and the angle of the central angle corresponding to the straight line where the edges of the two adjacent arc-shaped blades are located is larger than the angle of the central angle corresponding to the communication position of the accommodating groove and the first transfer cylinder. Such structural design, under the effect of arc paddle can be better with the sediment hank in the holding tank in first transfer section of thick bamboo, can be better again with second transfer section of thick bamboo and holding tank keep apart, make that the auger can be better carry the sediment.
Further, the diameter of the first driving wheel is larger than that of the third driving wheel. The angular speed of the third driving wheel is higher than that of the first driving wheel under the condition of the same linear speed, even if the rotating speed of the auger is higher than that of the mud-rotating paddle, the discharging speed of the bottom mud in the second transfer cylinder is accelerated.
Has the advantages that:
can be better subsides the processing to sewage, strike off messenger's bed mud through the mud scraper and concentrate to the bottom of the pool middle part gradually to the bed mud, accumulational bed mud slides in the holding tank along the mud scraper when the bed mud volume is great, it can be with falling into the second transfer section of thick bamboo at last in the first transfer section of thick bamboo of bed mud hank in the holding tank to change the mud oar and rotate through arc paddle, the bed mud that falls into in the second transfer section of thick bamboo shifts to the middle part of the bottom of the pool under the effect of auger, the cleaning performance to the bed mud is better, can avoid the bed mud that accumulational bed mud volume is great then drop in the mud scraper rear portion along the mud scraper cunning, lead to the problem that cleaning efficiency is low.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of a radial sedimentation tank for facilitating the cleaning of bottom mud in an embodiment of the present invention;
FIG. 2 is a schematic longitudinal sectional view of a radial sedimentation tank for facilitating the cleaning of bottom mud in an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic structural diagram of a part of the elements of a radial flow type sedimentation tank for facilitating the cleaning of bottom mud in an embodiment of the present invention;
FIG. 6 is an enlarged view of the structure at C in FIG. 5;
FIG. 7 is a schematic structural diagram of a mud removal mechanism according to an embodiment of the present invention;
FIG. 8 is a partial sectional structure diagram of the mud removing mechanism in the embodiment of the invention;
FIG. 9 is a schematic longitudinal sectional view of a mud removal mechanism in an embodiment of the present invention;
the main element symbols are as follows:
the device comprises a circular water reservoir 1, a pool wall 11, a pool bottom 12, a sludge collection groove 13, a drainage groove 14, a drainage pipe 15, a slag blocking mesh ring 16, a water inlet pipe 21, a sludge discharge pipe 22, a water outlet 31, a cross beam 4, an L-shaped mounting frame 41, a first motor 42, a first driving wheel 421, a second motor 43, a roller seat 431, a roller shaft 432, a roller 433, a fourth driving wheel 434, a second driving wheel 435, a third driving belt 436, a sludge removing mechanism 5, a sludge scraping plate 51, a connecting seat 511, a containing groove 52, a first transfer cylinder 53, a second transfer cylinder 54, a mounting seat 541, a first sealing plate 551, a second sealing plate 552, a sludge rotating paddle 56, a first rotating shaft 561, an arc-shaped blade 562, a first driving wheel 563, a second driving wheel 564, a second rotating shaft 571, a packing auger 572, a third driving wheel 573, a first driving belt 58, a second driving belt 59, a slag scraping plate 61 and a slag blocking mesh cover 62.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 9, the radial sedimentation tank convenient for cleaning sediment comprises a circular reservoir 12, a central column 3 is installed in the circular reservoir 12, the central column 3 is a hollow cylinder, a water outlet 31 is formed on the central column 3, a water inlet pipe 21 and a sludge discharge pipe 22 are installed on the circular reservoir 1, the water inlet pipe 21 is communicated with the central column 3, the sludge discharge pipe 22 is communicated with the circular reservoir 12, a water discharge groove 14 is installed in the circular reservoir 12, a water discharge pipe 15 is connected in the water discharge groove 14, a cross beam 4 is rotatably installed on the central column 3, a walking device is installed on the cross beam 4, an L-shaped mounting frame 41 is installed on the cross beam 4, a sludge removing mechanism 5 is installed on the L-shaped mounting frame 41, the sludge removing mechanism 5 comprises a sludge scraping plate 51, an accommodating groove 52, a first transfer cylinder 53 and a second transfer cylinder 54 which are fixedly connected, a connecting seat 511 is integrally formed on the sludge scraping plate 51, the connecting seat 511 is fixedly connected with the L-shaped mounting frame 41, the holding tank 52 and the second transfer cylinder 54 are both communicated with the first transfer cylinder 53, two ends of the holding tank 52 and the first transfer cylinder 53 are fixedly provided with a first sealing plate 551, one end of the second transfer cylinder 54 is provided with a second sealing plate 552, the other end of the second transfer cylinder 54 is provided with a mounting seat 541, the mounting seat 541 is fixed on the first transfer cylinder 53, the first sealing plate 551 is provided with a mud-transferring paddle 56, the mud-transferring paddle 56 comprises a first rotating shaft 561 and a plurality of arc-shaped paddles 562 which are uniformly arranged on the first rotating shaft 561, the first rotating shaft 561 is provided with a first driving wheel 563 and a second driving wheel 564, a second rotating shaft 571 is arranged between the mounting seat 541 and the second sealing plate 552, the second rotating shaft 571 is provided with a packing auger and a third driving wheel 573, a first driving belt 58 is wound between the first driving wheel 563 and the third driving wheel 573, the cross beam 4 is provided with a first motor 42, a motor shaft of the first motor 42 is provided with a first driving wheel 421, a second transmission belt 59 is wound between the first driving wheel 421 and the second transmission wheel 564, the walking device comprises a second motor 43, a second driving wheel 435 is mounted on a motor shaft of the second motor 43, a roller seat 431 is arranged at the bottom end of the cross beam 4, a roller shaft 432 is arranged on the roller seat 431 in a penetrating manner, a roller 433 and a fourth transmission wheel 434 are mounted on the roller shaft 432, a third transmission belt 436 is wound between the fourth transmission wheel 434 and the second driving wheel 435, and the roller 433 is in contact with the top end of the circular water reservoir 1.
Specifically, circular cistern 1 includes fixed connection's bottom of the pool 12 and pool wall 11, and bottom of the pool 12 is the toper structure, and the center of bottom of the pool 12 is equipped with collection mud groove 13, and mud pipe 22 and collection mud groove 13 intercommunication, bottom of the pool 12 are the toper structure and are convenient for concentrate bottom mud to bottom of the pool 12, make things convenient for the bottom mud to clear up.
Specifically, the drainage groove 14 is provided with the slag blocking net ring 16, and the drainage groove 14 is isolated by the slag blocking net ring 16, so that the influence on the effluent quality caused by the inflow of impurities floating on the surface of the sewage into the drainage groove 14 is avoided.
Specifically, the bottom end of the beam 4 is provided with a scraper 61, and impurities floating on the surface of the drainage channel 14 can be cleaned through the scraper 61.
Specifically, slag blocking mesh enclosure 62 is installed to the one end of scum board 61, and slag blocking mesh enclosure 62 covers and locates the second drive belt 59 outside, through slag blocking mesh enclosure 62 to the isolation of second drive belt 59, avoids water drainage tank 14 surperficial floated debris to entangle and influence the use in the second drive belt 59.
Specifically, be connected with strengthening rib 411 between L shape mounting bracket 41 and the mud scraper 51, improve the structural strength of L shape mounting bracket 41 through strengthening rib 411, the use that can better prevent L shape mounting bracket 41 to warp influence mud scraper 51.
Specifically, the arc-shaped blades 562 are four at least, and the angle of the central angle corresponding to the straight line where the edges of two adjacent arc-shaped blades are located is greater than the angle of the central angle corresponding to the communication position of the accommodating tank 52 and the first transfer cylinder 53, so that under the action of the arc-shaped blades 562, the bottom mud in the accommodating tank 52 can be well twisted into the first transfer cylinder 53, and the second transfer cylinder 54 and the accommodating tank 52 can be well isolated, so that the auger 572 can better convey the bottom mud.
Specifically, the diameter of the first driving wheel 563 is larger than that of the third driving wheel 573, so that the angular velocity of the third driving wheel 573 can be larger than that of the first driving wheel 563 under the condition of the same linear velocity, and even if the rotation speed of the auger 572 is larger than that of the mud-rotating paddle 56, the discharge speed of the sediment in the second transfer cylinder 54 is increased.
When the device is used, sewage flows into the circular water storage tank 1 from the water inlet pipe 21 through the central column 3 and the water outlet 31 to be precipitated, and the last clear water is filtered by the slag stopping mesh ring 16, enters the drainage groove 14 and is discharged by the drainage pipe 15; start first motor 42 and second motor 43 when needing to clear up the bed mud, second motor 43 drives gyro wheel 433 through third drive belt 436 and rotates, gyro wheel 433 rolls along the top of pool wall 11 and tends to make crossbeam 4 rotate, crossbeam 4 takes a scum board 61 to rotate and clears up the superficial debris on sewage surface, L shape mounting bracket 41 drives desilting mechanism 5 and rotates simultaneously, the scum board 51 strikes off the bed mud and makes the bed mud concentrate to bottom of the pool 12 middle part gradually, the bed mud slides in holding tank 52 along the scum board 51 when the bed mud is piled up, change mud oar 56 and rotate and can twist the bed mud in the holding tank 52 into first transfer section of thick bamboo 52 through arc paddle 562 and fall into second transfer section of thick bamboo 54 at last, the bed mud that falls into in second transfer section of thick bamboo 54 shifts to the middle part of bottom of the pool 12 under the effect of auger 572, take the bed mud out through mud pipe 22 at last.
The radial flow sedimentation tank convenient for cleaning the bottom mud provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a radial flow sedimentation tank convenient to clearance bed mud, includes circular cistern (12), installation center post (3) in circular cistern (12), center post (3) are hollow cylinder, delivery port (31) have been seted up on center post (3), install inlet tube (21) and mud pipe (22) on circular cistern (1), inlet tube (21) and center post (3) intercommunication, mud pipe (22) and circular cistern (12) intercommunication, install water drainage tank (14) in circular cistern (12), water drainage tank (14) in-connection has drain pipe (15), rotate on center post (3) and install crossbeam (4), install running gear on crossbeam (4), its characterized in that: the mud removing device is characterized in that an L-shaped mounting frame (41) is mounted on the cross beam (4), a mud removing mechanism (5) is mounted on the L-shaped mounting frame (41), the mud removing mechanism (5) comprises a mud scraping plate (51), a containing groove (52), a first transfer cylinder (53) and a second transfer cylinder (54) which are fixedly connected, a connecting seat (511) is integrally formed on the mud scraping plate (51), the connecting seat (511) is fixedly connected with the L-shaped mounting frame (41), the containing groove (52) and the second transfer cylinder (54) are both communicated with the first transfer cylinder (53), first sealing plates (551) are fixedly mounted at two ends of the containing groove (52) and the first transfer cylinder (53), a second sealing plate (552) is mounted at one end of the second transfer cylinder (54), a mounting seat (541) is arranged at the other end of the second transfer cylinder (54), the mounting seat (541) is fixed on the first transfer cylinder (53), and a mud transferring paddle (56) is mounted on the first sealing plate (551), the mud-rotating paddle (56) comprises a first rotating shaft (561) and a plurality of arc-shaped blades (562) which are uniformly arranged on the first rotating shaft (561), a first transmission wheel (563) and a second transmission wheel (564) are arranged on the first rotating shaft (561), a second rotating shaft (571) is arranged between the mounting seat (541) and the second sealing plate (552), a packing auger (572) and a third transmission wheel (573) are arranged on the second rotating shaft (571), a first transmission belt (58) is wound between the first transmission wheel (563) and the third transmission wheel (573), a first motor (42) is arranged on the cross beam (4), a first driving wheel (421) is arranged on a motor shaft of the first motor (42), a second transmission belt (59) is wound between the first driving wheel (421) and the second transmission wheel (564), the traveling device comprises a second motor (43), and a second driving wheel (435) is arranged on a motor shaft of the second motor (43), the bottom of crossbeam (4) is equipped with gyro wheel seat (431), wear to be equipped with roller shaft (432) on roller seat (431), install gyro wheel (433) and fourth drive wheel (434) on roller shaft (432), around being equipped with third drive belt (436) between fourth drive wheel (434) and second drive wheel (435), gyro wheel (433) and circular cistern (1) top contact.
2. A radial flow sedimentation tank for facilitating the cleaning of sediment according to claim 1, wherein: circular cistern (1) is including fixed connection's bottom of the pool (12) and pool wall (11), bottom of the pool (12) is the toper structure, the center of bottom of the pool (12) is equipped with mud collecting tank (13), mud pipe (22) and mud collecting tank (13) intercommunication.
3. A radial flow sedimentation tank for facilitating the cleaning of sediment according to claim 2, wherein: and a slag blocking net ring (16) is arranged on the drainage groove (14).
4. A radial flow sedimentation tank for facilitating the cleaning of sediment according to claim 3, wherein: and a slag scraping plate (61) is arranged at the bottom end of the cross beam (4).
5. A radial flow sedimentation tank for facilitating the cleaning of bottom sludge as claimed in claim 4, wherein: slag blocking mesh enclosure (62) is installed to the one end of scum board (61), slag blocking mesh enclosure (62) cover is located second drive belt (59) outside.
6. A radial flow sedimentation tank for facilitating the cleaning of bottom sludge as claimed in claim 5, wherein: and a reinforcing rib (411) is connected between the L-shaped mounting frame (41) and the mud scraper (51).
7. A radial flow sedimentation tank for facilitating the cleaning of bottom sludge as claimed in claim 6, wherein: the number of the arc-shaped blades (562) is at least four, and the angle of the central angle corresponding to the straight line where the edges of two adjacent arc-shaped blades are located is larger than the angle of the central angle corresponding to the communication position of the accommodating groove (52) and the first transfer cylinder (53).
8. A radial flow sedimentation tank for facilitating the cleaning of sediment according to claim 7, wherein: the diameter of the first transmission wheel (563) is larger than that of the third transmission wheel (573).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844207.2A CN111991854B (en) | 2020-08-20 | 2020-08-20 | Radial flow sedimentation tank convenient to clearance bed mud |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844207.2A CN111991854B (en) | 2020-08-20 | 2020-08-20 | Radial flow sedimentation tank convenient to clearance bed mud |
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| Publication Number | Publication Date |
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| CN111991854A CN111991854A (en) | 2020-11-27 |
| CN111991854B true CN111991854B (en) | 2022-04-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112551761B (en) * | 2020-12-23 | 2022-08-26 | 宏伟建设工程股份有限公司 | High concentration suspended solid sewage purification device |
| CN113323122B (en) * | 2021-08-03 | 2021-10-26 | 昆山市建设工程质量检测中心 | Self-purification reservoir for sponge city |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344135A (en) * | 2015-11-18 | 2016-02-24 | 亚太水处理(天长)有限公司 | A circumferential transmission mud scraper |
| CN110282822A (en) * | 2019-06-15 | 2019-09-27 | 吉林农业大学 | A kind of livestock-raising sewage-treatment plant and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100783050B1 (en) * | 2007-08-21 | 2007-12-07 | 주식회사 청호엔텍 | A circular type settling pond with sludge discharging apparatus |
| CN203389378U (en) * | 2013-08-02 | 2014-01-15 | 大连玉源环境工程有限公司 | Efficient sludge-discharging radial-flow sedimentation basin |
| CN206646444U (en) * | 2017-03-16 | 2017-11-17 | 深圳市城投物业管理有限公司 | A kind of snowslinger |
| CN209019969U (en) * | 2018-10-24 | 2019-06-25 | 中科洁力（福州）环保技术有限公司 | Sedimentation basin automatic sludge removing plate |
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2020
- 2020-08-20 CN CN202010844207.2A patent/CN111991854B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344135A (en) * | 2015-11-18 | 2016-02-24 | 亚太水处理(天长)有限公司 | A circumferential transmission mud scraper |
| CN110282822A (en) * | 2019-06-15 | 2019-09-27 | 吉林农业大学 | A kind of livestock-raising sewage-treatment plant and method |
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