CN111569477A - Bury formula silt for sewage treatment machine and assemble hoisting device - Google Patents
Bury formula silt for sewage treatment machine and assemble hoisting device Download PDFInfo
- Publication number
- CN111569477A CN111569477A CN202010493647.8A CN202010493647A CN111569477A CN 111569477 A CN111569477 A CN 111569477A CN 202010493647 A CN202010493647 A CN 202010493647A CN 111569477 A CN111569477 A CN 111569477A
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- Prior art keywords
- sludge
- shell
- auger
- plate
- conical
- 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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 239000010802 sludge Substances 0.000 claims abstract description 111
- 238000007790 scraping Methods 0.000 claims abstract description 21
- 238000007667 floating Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge gathering and lifting device for a buried sewage treatment machine, which comprises a conical bottom shell, a floating control gate, an auger cylinder, a sludge shell and a rotary driving positioning frame, wherein the floating control gate comprises a gate combination, a connecting rod and an air floating combination, the bottom of the conical bottom shell is communicated with the top of the sludge shell through the floating control gate, and the sludge shell is of a cylindrical structure and the top of the sludge shell is of a conical structure. According to the sludge treatment device, the conical bottom shell is arranged at the bottom of the settling tank, the bottom of the conical bottom shell is connected with a sludge shell through the floating control gate, the auger cylinder is arranged in the sludge shell, the bottom of the auger cylinder is fixedly connected with a positioning plate, the bottom of the positioning plate is provided with a volute sludge scraper, the sludge scraping range of the sludge scraper covers the bottom of the whole sludge shell, the auger cylinder rotates to drive the sludge scraper to rotate, sludge in the sludge shell is poured into the center of the sludge scraper when being completely extruded, and the floating control gate blocks the communication between the sludge shell and the conical bottom shell, so that the phenomenon of turbidity of the settling tank cannot occur when the sludge is gathered.
Description
Technical Field
The invention relates to the technical field of buried sewage treatment, in particular to a sludge gathering and lifting device for a buried sewage treatment machine.
Background
The process of buried sewage treatment generally comprises sewage precipitation treatment and biochemical treatment, specifically, the precipitated sewage flows into a biochemical treatment area, and the biochemical treatment mainly comprises oxidation treatment and hydrolysis treatment.
At present, underground sewage treatment equipment is buried underground, a large amount of sludge is accumulated at the bottom of a settling tank after sewage is settled, and the sewage is extremely inconvenient to discharge; the water content of the sludge is large, and the sludge is not discharged completely; particularly, the large-area sludge at the bottom of the settling tank is dispersed and difficult to gather, and secondary turbidity of the settling tank is easily caused.
Therefore, the invention provides a sludge gathering and lifting device for a buried sewage treatment machine.
Disclosure of Invention
The invention aims to: the silt that buries formula sewage treatment machine that provides assembles hoisting device in order to solve among the formula sewage treatment of burying the discharge difficulty that mud dispersion brought in the setting tank, causes secondary pollution and the incomplete problem of discharging in the setting tank easily during the discharge.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bury formula silt for sewage treatment machine and assemble hoisting device, includes awl type drain pan, floats accuse floodgate, an auger section of thick bamboo, sludge shell and rotary drive locating rack, it includes gate combination, connecting rod and the combination of aerostatic float to float accuse floodgate, awl type drain pan bottom is through floating accuse floodgate and sludge shell top intercommunication, sludge shell is cylindric structure and top is the toper structure, an auger section of thick bamboo passes the gate combination for the bottom and stretches into in the sludge shell, the bottom fixedly connected with locating plate of this auger section of thick bamboo, the bottom fixedly connected with vortex-shaped mud scraping plate of locating plate, the bottom clearance fit in the bottom of mud scraping plate and the sludge shell, the locating plate is the closing cap structure in the vortex-shaped space in mud scraping plate top, the end of mud scraping plate extends to the interior table wall of sludge shell and is clearance fit, set up evenly distributed's infiltration hole on the mud scraping plate, the top and the rotary drive locating rack fixed connection of an auger section of thick bamboo, the rotary driving positioning frame comprises a bearing plate, a driving sleeve and a bevel gear combination, the gate combination comprises a rectangular sleeve and two flashboards which are symmetrically distributed in the rectangular sleeve, the two flashboards are half slots which are formed in opposite opening structures and adjacent ends, the air flotation combination comprises an air bag sleeve with an inflation function in a corrugated shape and an annular counterweight plate which is fixedly arranged on the lower portion of the air bag sleeve, and the upper end face of the bottom of the annular counterweight plate is hinged to the upper end face of the connecting rod and the flashboard.
As a further description of the above technical solution:
the sludge shell is internally fixedly connected with a conical table positioned on the upper part of the positioning plate through a connecting frame, the middle part of the conical table is provided with a rotary hole in running fit with the auger cylinder, and the maximum outer diameter of the conical table is smaller than the inner diameter of the sludge shell.
As a further description of the above technical solution:
and the periphery of the auger cylinder is fixedly connected with a scraping plate positioned at the upper part of the conical table.
As a further description of the above technical solution:
the outer surface wall of the annular counterweight plate is connected with the bottom of the bearing plate through a telescopic guide rod.
As a further description of the above technical solution:
and the conical surface of the sludge shell is fixedly connected with an air supplementing pipe.
As a further description of the above technical solution:
the packing auger shaft top of the spiral packing auger extends out of the packing auger barrel and is fixedly connected with the bearing plate through the support frame.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the sludge treatment device, the conical bottom shell is arranged at the bottom of the settling tank, the bottom of the conical bottom shell is connected with a sludge shell through the floating control gate, the auger cylinder is arranged in the sludge shell, the bottom of the auger cylinder is fixedly connected with a positioning plate, the bottom of the positioning plate is provided with a volute sludge scraper, the sludge scraping range of the sludge scraper covers the bottom of the whole sludge shell, the auger cylinder rotates to drive the sludge scraper to rotate, sludge in the sludge shell is poured into the center of the sludge scraper when being completely extruded, and the floating control gate blocks the communication between the sludge shell and the conical bottom shell, so that the phenomenon of turbidity of the settling tank cannot occur when the sludge is gathered.
2. In the sludge scraper, the conical table positioned at the upper part of the positioning plate is fixedly connected in the sludge shell through the connecting frame, the middle part of the conical table is provided with a rotary hole which is in running fit with the auger cylinder, the maximum outer diameter of the conical table is smaller than the inner diameter of the sludge shell, a gap between the conical table and the sludge shell facilitates sludge on the conical table to enter an inlet position surrounded by the outermost ends of the sludge scraper, sludge is convenient to collect, and the rotary resistance of the sludge scraper can be greatly reduced by arranging the conical table.
3. According to the sludge scraper, the air supplementing pipe is fixedly connected to the conical surface, the spiral auger is arranged in the auger cylinder, the top of an auger shaft of the spiral auger extends out of the auger cylinder and is fixedly connected with the bearing plate through the supporting frame, and the bottom of the spiral auger extends out of the bottom of the auger cylinder and is positioned in the center of the sludge scraper, so that sludge with small water content can be lifted upwards by the rotating auger cylinder and is discharged through the top of the auger cylinder, and sewage discharge is convenient.
Drawings
FIG. 1 is a schematic structural diagram of the combination of the main components of a sludge gathering and lifting device for a buried sewage treatment machine according to the present invention;
FIG. 2 is a schematic structural diagram of the combination and matching of a sludge shell, an auger cylinder and a gate of the sludge gathering and lifting device for the buried sewage treatment machine, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a screw conveyor cylinder of the sludge gathering and lifting device for the buried sewage treatment machine in a bottom view;
FIG. 4 is a schematic structural view of the cooperation of a floating control gate, an auger barrel and a rotary driving positioning frame of the sludge gathering and lifting device for the buried sewage treatment machine, which is provided by the invention;
FIG. 5 is a schematic structural view of a cone-shaped platform of the sludge gathering and lifting device for the buried sewage treatment machine, which is provided by the invention;
FIG. 6 is a schematic structural diagram of a spiral auger of the sludge gathering and lifting device for the buried sewage treatment machine.
Illustration of the drawings:
1. a conical bottom shell; 2. a floating control gate; 21. gate combination; 22. a connecting rod; 211. a rectangular sleeve; 212. a shutter plate; 2121. a semicircular groove; 22. a connecting rod; 23. air floatation combination; 231. an air bag cover; 232. an annular weight plate; 3. a packing auger cylinder; 31. positioning a plate; 32. a squeegee; 311. a mud scraper; 3111. a water seepage hole; 4. a sludge shell; 41. a conical frustum; 411. rotating the hole; 42. a gas supplementing pipe; 5. rotating the drive positioning frame; 51. a carrier plate; 52. a drive sleeve; 53. a bevel gear combination; 6. spiral auger.
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. 1-4, a sludge gathering and lifting device for a buried sewage treatment machine comprises a conical bottom shell 1, a floating control gate 2, an auger cylinder 3, a sludge shell 4 and a rotary driving positioning frame 5, wherein the conical bottom shell 1 serves as the bottom of a sewage settling tank, the sludge shell 4 is a sludge settling area, the floating control gate 2 is used for controlling the connection and disconnection between the conical bottom shell 1 and the sludge shell 4, and the auger cylinder 3 rotates under the action of the rotary driving positioning frame 5; the concrete structure and connection mode are as follows, the floating control gate 2 comprises a gate combination 21, a connecting rod 22 and an air floating combination 23, the bottom of the conical bottom shell 1 is communicated with the top of a sludge shell 4 through the floating control gate 2, the sludge shell 4 is of a cylindrical structure, the top of the sludge shell 4 is of a conical structure, the auger cylinder 3 penetrates the gate combination 21 for the bottom and extends into the sludge shell 4, the bottom of the auger cylinder 3 is fixedly connected with a positioning plate 31, the bottom of the positioning plate 31 is fixedly connected with a volute sludge scraping plate 311, the bottom of the sludge scraping plate 311 is in clearance fit with the bottom of the sludge shell 4, the positioning plate 31 is of a sealing cover structure of the volute space at the top of the sludge scraping plate 311, the tail end of the sludge scraping plate 311 extends to the inner surface wall of the sludge shell 4 and is in clearance fit, the sludge scraping plate 311 is provided with uniformly distributed water seepage holes 3111, the top of the auger cylinder 3 is fixedly connected with a rotary driving positioning frame, A driving sleeve 52 and a bevel gear combination 53, in particular to a screw cylinder 3 which is penetrated and sleeved with the driving sleeve 52, the driving sleeve 52 rotates to drive the screw cylinder 3 to rotate, when the sludge shell 4 forms a large amount of sludge, the gate combination 21 is controlled to be closed, the sludge shell 4 and the conical bottom shell 1 are blocked, the auger cylinder 3 is controlled to rotate, the vortex-shaped mud scraping plate 311 rotates and scrapes the sludge accumulated at the bottom of the sludge shell 4 and guides the sludge to the bottom of the auger cylinder 3 at the center part, thereby having the effect of gathering the sludge, and the sludge is compressed in the process of gathering in the mud scraping plate 311, water in the sludge can be discharged through the water seepage holes 3111, so that the water content of the sludge reaching the bottom of the packing auger cylinder 3 is greatly reduced, meanwhile, under the blocking of the gate combination 21, a large turbulent flow phenomenon cannot occur in the conical bottom shell 1, and sludge in the sludge shell 4 cannot enter the conical bottom shell 1, so that a secondary turbidity phenomenon cannot occur; the gate combination 21 is composed of a rectangular sleeve 211 and two gate plates 212 symmetrically distributed in the rectangular sleeve 211, the two gate plates 212 are of a split-door structure, and the adjacent ends of the two gate plates 212 are provided with semicircular grooves 2121, the air flotation combination 23 comprises a corrugated air bag sleeve 231 with an inflation function and an annular weight plate 232 fixedly arranged at the lower part of the air bag sleeve 231, the bottom of the annular weight plate 232 is hinged to the upper end face of the gate plate 212 through a connecting rod 22, the outer wall of the annular weight plate 232 is connected with the bottom of the bearing plate 51 through a telescopic guide rod, the air bag sleeve 231 is located in water or partially located in water, a joint on the air bag sleeve 231 is connected with an external air supply system, when the air supply system supplies air, the air bag sleeve 231 expands, the buoyancy of the air flotation combination 23 is increased and floats upwards, the connecting rod 22 drives the.
Example 2
Referring to fig. 5, the difference from embodiment 1 is that a conical frustum 41 located at the upper part of the positioning plate 31 is fixedly connected in the sludge shell 4 through a connecting frame, a rotary hole 411 rotatably matched with the auger cylinder 3 is formed in the middle of the conical frustum 41, the maximum outer diameter of the conical frustum 41 is smaller than the inner diameter of the sludge shell 4, a gap between the conical frustum 41 and the conical frustum 41 facilitates sludge on the conical frustum 41 to enter an inlet position surrounded by the outermost end of the sludge scraper 311, so that sludge is collected conveniently, the rotary resistance of the sludge scraper 311 can be greatly reduced by arranging the conical frustum 41, a scraper 32 is fixedly connected at the outer periphery of the auger cylinder 3 and at the upper part of the conical frustum 41, and the scraper 32 can accelerate sludge accumulated on the inclined surface of the conical frustum 41 to slide around.
Example 3
Referring to fig. 1 and fig. 6, the embodiment 1 is further described as that an air supplement pipe 42 is fixedly connected to the conical surface of the sludge shell 4, a spiral auger 6 is disposed in the auger cylinder 3, the top of the auger shaft of the spiral auger 6 extends out of the auger cylinder 3 and is fixedly connected with the bearing plate 51 through a support frame, and the bottom of the spiral auger 6 extends out of the bottom of the auger cylinder 3 and is located at the center of the mud scraping plate 311, so that the rotating auger cylinder 3 can lift up the sludge with low water content and discharge the sludge through the top of the auger cylinder 3.
The working principle is as follows: before use, the bearing plate 51 is arranged on the ground or on the top of the settling tank, the output shaft of the bevel gear combination 53 is connected with an external motor, wherein the bevel gear combination 53 is of a common two-bevel-gear structure, one bevel gear is fixedly sleeved outside the driving sleeve 53, the driving sleeve 53 is in running fit with the bearing plate 51, the driving sleeve 53 is fixedly sleeved outside the packing auger barrel 3, the other bevel gear is connected with the motor, namely the motor rotates to drive the packing auger barrel 3 to rotate, the motor is electrically connected with an external control electric box, and the air bag sleeve 231 is communicated with an external air supply system; during the use sewage in the settling tank deposits, the mud of sediment descends to mud shell 4 in the direction of tapered drain pan inner inclined plane, form a large amount of mud in mud shell 4 after, ventilate in gasbag cover 231, gasbag cover 231 expands, the volume increase, buoyancy increases, drive annular counterweight plate 232 come-up, and then it is closed to drive two flashboards 212 through connecting rod 22, it is rotatory that control motor starts to drive auger section of thick bamboo 3 this moment, the vortex mud scraper 311 of auger section of thick bamboo 3 bottom is followed rotatoryly, with the leading-in heart of mud scraper 311 of mud in mud shell 4 and be located auger section of thick bamboo 3's bottom, through the drainage of infiltration hole 3111, mud that the water content is few is upwards carried under helical blade's the direction on spiral auger 6, and discharge through auger section of thick bamboo's top.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a bury formula silt for sewage treatment machine and assemble hoisting device, its characterized in that, includes awl type drain pan (1), floats accuse floodgate (2), an auger section of thick bamboo (3), mud shell (4) and rotation drive locating rack (5), it includes gate combination (21), connecting rod (22) and aerostatic combination (23) to float accuse floodgate (2), awl type drain pan (1) bottom is through floating accuse floodgate (2) and mud shell (4) top intercommunication, mud shell (4) are cylindric structure and top is the toper structure, auger section of thick bamboo (3) is that the bottom passes gate combination (21) and stretches into in mud shell (4), the bottom fixedly connected with locating plate (31) of this auger section of thick bamboo (3), the bottom fixedly connected with vortex-shaped mud scraping plate (311) of locating plate (31), the bottom of mud scraping plate (311) and the bottom clearance fit in the mud shell (4), the locating plate (31) is a sealing cover structure of a vortex-shaped space at the top of the mud scraping plate (311), the tail end of the mud scraping plate (311) extends to the inner surface wall of the mud shell (4) and is in clearance fit, the mud scraping plate (311) is provided with water seepage holes (3111) which are uniformly distributed, the top of the packing auger cylinder (3) is fixedly connected with the rotary driving locating frame (5), the rotary driving locating frame (5) comprises a bearing plate (51), a driving sleeve (52) and a bevel gear combination (53), the gate combination (21) comprises a rectangular sleeve (211) and two gate plates (212) which are symmetrically distributed in the rectangular sleeve (211), the two gate plates (212) are provided with semicircular grooves (2121) for opposite opening structures and adjacent ends, the air floating combination (23) comprises an air bag sleeve (231) with an air filling function in a corrugated shape and an annular counterweight plate (232) fixedly arranged at the lower part of the air bag sleeve (231), the bottom of the annular weight plate (232) is hinged with the upper end face of the flashboard (212) through a connecting rod (22).
2. The sludge gathering and lifting device for the buried sewage treatment machine according to claim 1, wherein a conical table (41) positioned at the upper part of the positioning plate (31) is fixedly connected in the sludge shell (4) through a connecting frame, a rotary hole (411) rotatably matched with the auger cylinder (3) is formed in the middle of the conical table (41), and the maximum outer diameter of the conical table (41) is smaller than the inner diameter of the sludge shell (4).
3. The sludge gathering and lifting device for the buried sewage treatment machine as claimed in claim 2, wherein the scraper (32) is fixedly connected to the outer periphery of the auger barrel (3) and is positioned at the upper part of the conical frustum (41).
4. The sludge gathering and lifting device for the buried sewage treatment machine as claimed in claim 1, wherein the outer surface wall of the annular weight plate (232) is connected with the bottom of the bearing plate (51) through a telescopic guide rod.
5. The sludge gathering and lifting device for the buried sewage treatment machine as claimed in claim 1, wherein the conical surface of the sludge shell (4) is fixedly connected with an air supplementing pipe (42).
6. The sludge gathering and lifting device for the buried sewage treatment machine according to claim 1, wherein a spiral auger (6) is arranged in the auger cylinder (3), and the top of an auger shaft of the spiral auger (6) extends out of the auger cylinder (3) and is fixedly connected with the bearing plate (51) through a support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493647.8A CN111569477B (en) | 2020-06-03 | 2020-06-03 | Bury formula silt for sewage treatment machine and assemble hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493647.8A CN111569477B (en) | 2020-06-03 | 2020-06-03 | Bury formula silt for sewage treatment machine and assemble hoisting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111569477A true CN111569477A (en) | 2020-08-25 |
| CN111569477B CN111569477B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010493647.8A Active CN111569477B (en) | 2020-06-03 | 2020-06-03 | Bury formula silt for sewage treatment machine and assemble hoisting device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768323A (en) * | 2022-03-26 | 2022-07-22 | 中煤第三建设(集团)有限责任公司二十九工程处 | Mine sedimentation tank silt clearance discharges conveyor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277148A (en) * | 2015-05-19 | 2017-01-04 | 天津市安宝利亨环保工程技术有限公司 | A kind of vertical-flow dissolved gas floatator |
| CN208700636U (en) * | 2018-06-01 | 2019-04-05 | 刘鹏 | A kind of unpowered oil removal settling tank |
| CN110201439A (en) * | 2019-07-16 | 2019-09-06 | 杨达 | A kind of coordinated type multi-stage sewage purification system |
-
2020
- 2020-06-03 CN CN202010493647.8A patent/CN111569477B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277148A (en) * | 2015-05-19 | 2017-01-04 | 天津市安宝利亨环保工程技术有限公司 | A kind of vertical-flow dissolved gas floatator |
| CN208700636U (en) * | 2018-06-01 | 2019-04-05 | 刘鹏 | A kind of unpowered oil removal settling tank |
| CN110201439A (en) * | 2019-07-16 | 2019-09-06 | 杨达 | A kind of coordinated type multi-stage sewage purification system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768323A (en) * | 2022-03-26 | 2022-07-22 | 中煤第三建设(集团)有限责任公司二十九工程处 | Mine sedimentation tank silt clearance discharges conveyor |
| CN114768323B (en) * | 2022-03-26 | 2024-05-07 | 中煤第三建设(集团)有限责任公司二十九工程处 | Mine sedimentation tank silt clearance discharges conveyor |
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| CN111569477B (en) | 2021-12-14 |
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Effective date of registration: 20211129 Address after: No. 188, Daiwang Road, Chengdong Industrial Park, Taixing Economic Development Zone, Suzhou, Jiangsu 225400 Applicant after: JIANGSU HEHAI SUPPLY AND DRAINAGE WHOLE SET EQUIPMENT Co.,Ltd. Address before: 236800 No.7 family home of oil depot, shaizishi street, Qiaocheng District, Bozhou City, Anhui Province Applicant before: He Feifan |
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