CN213327188U - Sewage treatment system and foamy pool surface scum collection system thereof - Google Patents
Sewage treatment system and foamy pool surface scum collection system thereof Download PDFInfo
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- CN213327188U CN213327188U CN202021259712.2U CN202021259712U CN213327188U CN 213327188 U CN213327188 U CN 213327188U CN 202021259712 U CN202021259712 U CN 202021259712U CN 213327188 U CN213327188 U CN 213327188U
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Abstract
The utility model relates to a sewage treatment system and foamy pond face dross collecting system thereof belongs to sewage treatment technical field. The collecting system comprises a scum collecting device floating on the surface of the pond, a mud sucking and storing device arranged on the side of the pond, and a traction rope device; the scum collecting device comprises an outer cover shell, a mud scraping impeller and a floating body; the outer housing and the floating body enclose a sludge storage cavity which is a sludge storage sealed cavity with a sludge discharge port and a sludge suction port; the mud scraping impeller is rotatably arranged at the mud suction port, and the edge of the lower edge of the mud suction port is lower than the rotating shaft; the sludge discharge port is lower than the sludge storage surface of the sludge storage cavity; the mud sucking and storing device comprises a mud storing cabin and an exhaust fan, the mud storing cabin is a mud storing sealed cavity with a suction interface and an external connecting port which are higher than the mud storing surface of the mud storing cabin, and a suction port of the exhaust fan is hermetically connected with the suction interface; the scum conveying pipe is connected with the external connecting port and the sludge discharge port. The scum collecting system can be adapted to biochemical ponds with different pond surface sizes and can be widely applied to the fields of sewage treatment and the like.
Description
Technical Field
The utility model relates to a sewage treatment technical field, specifically speaking relates to a sewage treatment system and be used for founding this sewage treatment system's foamy pond face dross collecting system.
Background
In the production and living processes, a large amount of sewage which affects the environmental quality is generated, the most effective solution is to construct a sewage treatment system to perform centralized treatment on the sewage, and the treated sewage reaches the discharge standard and then is discharged into a natural water body, for example, a combined process for advanced treatment and recycling of wastewater in the steel industry is disclosed in patent document with publication number CN107253798A and is used for treating the wastewater in the production process of the steel industry.
In a sewage treatment system, after sewage is treated by a biochemical tank, a layer of foam-like scum floats on the surface of the tank, and the scum generally comprises floating mud, particle impurities and the like, and needs to be collected timely or affects the sewage treatment process.
In order to solve the above problems, the foamed scum is usually scraped to the edge of the pool by using a scraper structure, and then the foamed scum is transported to the outside of the pool by using other devices for separate treatment.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a sewage treatment system with an improved structure, which can collect foam scum on the surface of a pool well and can be adapted to the surface of the pool with more sizes;
another object of the present invention is to provide a froth pool surface scum collection system for constructing the above sewage treatment system.
In order to achieve the main purpose, the utility model provides a sewage treatment system, which comprises a biochemical tank and a collecting system for collecting foam scum on the surface of the biochemical tank; the scum collecting system comprises a scum collecting device floating on the surface of the pond, a mud sucking and storing device arranged on the side of the pond, a scum conveying pipe connected between the scum collecting device and the mud sucking and storing device, and a traction rope device for drawing the scum collecting device to move on the surface of the pond in a plane; the scum collecting device comprises an outer cover shell, a mud scraping impeller and a floating body; the outer housing and the floating body enclose a sludge storage cavity, and the sludge storage cavity is a sludge storage sealed cavity which is provided with a sludge discharge port and a sludge suction port which is convex outwards relative to the front side edge of the floating body; the mud scraping impeller is rotatably arranged at the mud suction port through a rotating shaft, and the edge of the lower edge of the mud suction port is lower than the rotating shaft; the rotating shaft is positioned right above the front side edge, and the distance between the blade tip of the mud scraping impeller and the upper surface of the floating body is smaller than the thickness of scum covered on the upper surface of the floating body; the sludge discharge port is lower than the sludge storage surface of the sludge storage cavity; the mud sucking and storing device comprises a mud storing cabin and an exhaust fan, the mud storing cabin is a mud storing sealed cavity with a suction interface and an external connecting port which are higher than the mud storing surface of the mud storing cabin, and a suction port of the exhaust fan is hermetically connected with the suction interface; one port of the scum conveying pipe is hermetically connected with the external connecting port, and the other port of the scum conveying pipe is hermetically connected with the sludge discharge port.
The scum suction and storage device and the scum collection device which are connected by the scum conveying pipe are arranged, and the scum collection device can float on the water surface and can be pulled to a corresponding position by utilizing a traction rope to suck the scum, so that the scum collection treatment of biochemical pools with different area sizes can be effectively improved; the scum-shaped scum can be scraped into the scum storage cavity and sucked away by the scum conveying pipe by the aid of the rotation of the scum scraping impeller driven by airflow passing through the scum suction port or driven by the motor based on suction force, so that the scum is remotely conveyed and stored in the scum storage cabin; with earlier utilizing among the prior art scraper blade to scrape to the pond limit and handle again, the control operation of being convenient for more.
The concrete scheme is that a grid filter screen positioned above a mud storage surface is fixedly arranged at the top area of the mud storage cabin and used for separating a mud storage sealing cavity into a mud storage cavity and an air layer cavity, a suction interface is positioned on the upper side of the grid filter screen, and an external connecting port is positioned on the lower side of the grid filter screen. By additionally arranging the grid filter screen, scum and related impurities can be effectively prevented from entering the fan, so that the whole normal work is ensured.
More specifically, in the transverse direction, a suction-preventing safety distance is reserved between the suction interface and the external connecting port; a sludge outlet, a reset tension spring and an opening and closing door plate for opening and closing the sludge outlet are distributed at the bottom of the sludge storage cabin; the upper end part of the opening and closing door plate is hinged with the bulkhead of the sludge storage cabin through a hinge, and the lower end part of the opening and closing door plate is fixedly connected with the bulkhead of the sludge storage cabin through a locking piece in an unlocking manner; one end of the reset tension spring is fixedly connected with the lower end part of the opening and closing door plate, the other end of the reset tension spring is fixedly connected with the cabin body of the mud storage cabin, and the elastic restoring force of the reset tension spring is used for forcing the opening and closing door plate to close the mud outlet when the cabin is empty. Based on the extension spring that resets, the operation when can be convenient for effectively closing the door reduces operating personnel's work load.
The preferable proposal is that the outer housing comprises an upper sealing cover plate, a side sealing cover plate and an impeller sealing housing which covers the mud scraping impeller, the upper sealing cover plate, the side sealing cover plate and the impeller sealing housing are obliquely arranged, and the impeller sealing housing, the floating body and the side sealing cover plates positioned at two sides enclose a mud suction port; the high end side of the upper sealing cover plate is connected with the end part of the impeller sealing cover.
The further proposal is that the sludge discharge port is arranged at the lower side end of the upper sealing cover plate.
The preferable proposal is that the rear side edge of the floating body extends outwards relative to the outer casing to form a fixedly connected supporting platform for fixedly connecting and supporting the pipe section of the scum conveying pipe, which is adjacent to the sludge discharge port; the scum conveying pipe is a buoyancy pipe and can float on the water surface when being fully loaded with scum.
In order to achieve the above another object, the present invention provides a froth pool surface scum collecting system for sewage treatment, which comprises a scum collecting device floating on the pool surface, a sludge sucking and storing device installed at the side of the pool, a scum conveying pipe connected between the scum collecting device and the sludge sucking and storing device, and a drawing rope device for drawing the scum collecting device to move on the pool surface in a plane; the scum collecting device comprises an outer cover shell, a mud scraping impeller and a floating body; the outer housing and the floating body enclose a sludge storage cavity, and the sludge storage cavity is a sludge storage sealed cavity which is provided with a sludge discharge port and a sludge suction port which is convex outwards relative to the front side edge of the floating body; the mud scraping impeller is rotatably arranged at the mud suction port through a rotating shaft, and the edge of the lower edge of the mud suction port is lower than the rotating shaft; the rotating shaft is positioned right above the front side edge, and the distance between the blade tip of the mud scraping impeller and the upper surface of the floating body is smaller than the thickness of scum covered on the upper surface of the floating body; the sludge discharge port is lower than the sludge storage surface of the sludge storage cavity; the mud sucking and storing device comprises a mud storing cabin and an exhaust fan, the mud storing cabin is a mud storing sealed cavity with a suction interface and an external connecting port which are higher than the mud storing surface of the mud storing cabin, and a suction port of the exhaust fan is hermetically connected with the suction interface; one port of the scum conveying pipe is hermetically connected with the external connecting port, and the other port of the scum conveying pipe is hermetically connected with the sludge discharge port.
The concrete scheme is that a grid filter screen positioned above a mud storage surface is fixedly arranged at the top area of the mud storage cabin and used for separating a mud storage sealing cavity into a mud storage cavity and an air layer cavity, a suction interface is positioned on the upper side of the grid filter screen, and an external connecting port is positioned on the lower side of the grid filter screen.
More particularly, the bottom of the mud storage cabin is provided with a mud outlet, a reset tension spring and an opening and closing door plate for opening and closing the mud outlet; the upper end part of the opening and closing door plate is hinged with the bulkhead of the sludge storage cabin through a hinge, and the lower end part of the opening and closing door plate is fixedly connected with the bulkhead of the sludge storage cabin through a locking piece in an unlocking manner; one end of the reset tension spring is fixedly connected with the lower end part of the opening and closing door plate, the other end of the reset tension spring is fixedly connected with the cabin body of the mud storage cabin, and the elastic restoring force of the reset tension spring is used for forcing the opening and closing door plate to close the mud outlet when the cabin is empty.
The preferable proposal is that the outer housing comprises an upper sealing cover plate, a side sealing cover plate and an impeller sealing housing which covers the mud scraping impeller, the upper sealing cover plate, the side sealing cover plate and the impeller sealing housing are obliquely arranged, and the impeller sealing housing, the floating body and the side sealing cover plates positioned at two sides enclose a mud suction port; the high end side of the upper sealing cover plate is connected with the end part of the impeller sealing cover; the sludge discharge port is arranged at the lower side end of the upper sealing cover plate; the rear side edge of the floating body extends outwards relative to the outer housing to form a fixedly connected supporting platform for fixedly connecting and supporting the pipe section of the scum conveying pipe, which is adjacent to the sludge discharge port; the scum conveying pipe is a buoyancy pipe and can float on the water surface when being fully loaded with scum.
Drawings
Fig. 1 is a schematic structural view of a mud sucking and storing device in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic top view of a mud suction and storage device in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a scum collecting device and a scum conveying pipe in embodiment 1 of the present invention;
fig. 5 is a schematic view of a corrosion structure of a dross collecting apparatus according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a scum collecting device in embodiment 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
The utility model discloses a main design improves biochemical pond's dross collection device's structure, and the structure of other parts refers to current structure and carries out equipment on sewage treatment systems such as the cell body structure to biochemical pond.
Example 1
The sewage treatment system of the utility model comprises a biochemical tank and a collecting system for collecting foam scum on the surface of the biochemical tank; as for the concrete structure of the collecting system, as shown in fig. 1 to 5, the collecting system comprises a sludge suction and storage device 1 installed at the side of the pond, a scum collecting device 2 floating on the surface of the pond, a scum conveying pipe 3 connected between the scum collecting device 2 and the sludge suction and storage device 1, and a pulling rope device for pulling the scum collecting device to move on the surface of the pond. The traction rope device can be manually pulled or pulled by a walking mechanism; for the scheme of manual traction, two persons standing beside the pool can control the position of the scum collecting device on the pool surface by using the traction ropes; the scheme of towing the travelling mechanism can utilize two trolleys capable of travelling along the sides of the tank to pull the towing rope to drive the scum collecting device to travel on the surface of the tank, so that the scum collecting device can be driven to travel on a two-dimensional plane in the surface of the tank.
As shown in fig. 1 to 3, the mud sucking and storing device 1 comprises a mud storing cabin 10 and an exhaust fan 11; the mud storage cabin 10 is a mud storage sealed chamber 1000 with a suction port 101 and an external connection port 102 which are higher than a mud storage surface 100, and the mud storage sealed chamber 1000 is enclosed by a cabin wall 103 and a cabin cover plate 104; the suction port 110 of the suction fan 11 is connected to the suction connection 101 in an airtight manner, in particular by a resiliently pressed elastic sealing ring at the connection.
The top area of the mud storage cabin 10 is fixedly provided with a grid filter screen 105 positioned above the mud storage surface 100, the size of filter holes on the grid filter screen 105 is set according to actual needs, the grid filter screen 105 is provided with a sealed chamber 1000 for separating the mud storage into a mud storage cavity 1001 and a gas layer cavity 1002, the suction interface 101 is positioned on the upper side of the grid filter screen 105, and the external connection port 102 is positioned on the lower side of the grid filter screen 105, so that scum and related impurities are effectively prevented from entering the exhaust fan 11. Furthermore, in the transverse direction, there is a suction-proof safety gap between the suction connection 101 and the external connection port 102, in particular, both are distributed on the two end sides arranged opposite to each other, so that sludge can be effectively prevented from being sucked into the suction fan 11.
A sludge outlet, a reset tension spring 106 and an opening and closing door plate 107 for opening and closing the sludge outlet are distributed on the bottom of the sludge storage cabin 10; the upper end part of the opening and closing door plate 107 is hinged with the bulkhead of the mud storage cabin through a hinge 108, and the lower end part is fixedly connected with the bulkhead of the mud storage cabin in an unlocking way through a locking piece 109; one end of the reset tension spring 106 is fixedly connected with the lower end part of the opening and closing door plate 107, the other end of the reset tension spring is fixedly connected with the cabin body of the mud storage cabin, and the elastic restoring force of the reset tension spring is used for forcing the opening and closing door plate 107 to close the mud outlet when the cabin is empty, so that the operation of an operator is facilitated.
In this embodiment, the cross section of the mud storage bin 10 is a triangular structure, so as to facilitate the emptying of the scum in the mud storage bin; at this time, the lower end of the opening/closing door panel 107 contacts the tip of the triangular structure.
The scum collecting device 2 comprises an outer casing 20, a mud scraping impeller 21 and a floating body 22; wherein, the outer housing 20 and the floating body 22 enclose a mud storage cavity 200, and the mud storage cavity 200 is a mud storage sealed cavity with a mud discharge port 23 and a mud suction port 24 which is convex outward relative to the front side edge 220 of the floating body 22; the mud scraping impeller 21 is rotatably installed at the mud suction port 24 by the rotating shaft 25, and the lower edge 240 of the mud suction port 24 is lower than the rotating shaft 25; the rotating shaft 25 is positioned right above the front side edge 220, and the distance between the blade tip of the mud scraping impeller 21 and the upper surface of the floating body 22 is smaller than the thickness of the scum covering the upper surface of the floating body, so that the scum can be scraped into the mud storage chamber 200 by the rotating mud scraping impeller 21; the sludge discharge port 23 is lower than the sludge storage surface of the sludge storage chamber 200, and the sludge storage surface is continuously increased along with the increase of the amount of the scum scraped inwards by the sludge scraping impeller 2, so that the sludge discharge port 23 is blocked and sucked away by the sludge storage chamber.
In the present embodiment, the outer casing 20 is made of plastic in an integral molding manner, and specifically includes an upper sealing cover plate 40, side sealing cover plates 41 and 42 which are obliquely arranged, and an impeller sealing casing 43 which covers the mud scraping impeller 21, and the impeller sealing casing 43, the floating body 22 and the side sealing cover plates 41 and 42 on both sides together enclose the mud suction port 23; the high end side of the upper seal cover plate 40 is connected to the end of the impeller seal cover 43; the sludge discharge port 23 is provided at the lower side end of the upper sealing cover plate 40 so as to be better positioned below the sludge storage surface of the sludge storage chamber 200, thereby facilitating the sludge suction operation.
In this embodiment, in order to prevent the scum conveying pipe 3 from sinking due to the entering of the sludge so as to raise the whole floating body 22 at one side, the rear side edge of the floating body 22 is extended outwards relative to the outer casing 20 to form a fixedly-connected supporting platform 221 for fixedly connecting and supporting a part of the pipe section of the scum conveying pipe 3 adjacent to the sludge discharge port 23; in addition, the scum conveying pipe 3 is constructed using a buoyancy pipe, which provides buoyancy to float on the water surface when it is fully filled with scum, and the scum conveying pipe 3 is connected in such a manner that one port thereof is hermetically connected to the external connection port 102 and the other port thereof is hermetically connected to the sludge discharge port 23.
In the course of the work, because the suction effect of air exhauster 11, in order to take away and store up mud sealed cavity 1000, dross conveyer pipe 3 and hold the air in the mud sealed cavity, lead to its inside negative pressure that forms and make the air get into through mud suction port 24 and hold in the mud sealed cavity, thereby it rotates and drives partial dross entering and holds in the mud sealed cavity to drive mud impeller 21, improve and hold the mud face of holding in the mud sealed cavity, thereby submerge mud suction port 24, be inhaled in the dross conveyer pipe 3 and carried to storing up mud sealed cavity 1000, thereby the dross of the current position of mud device 1 on the pool face is stored up to mud suction, along with the adjustment of its position and collect the dross of whole pool face. In addition, when the scum enters the mud storage sealing chamber 1000, the flow rate of the scum is reduced due to the increase of the overflowing area, and the scum sinks under the action of gravity, so that the scum is concentrated at the bottom of the cabin, and the scum can be effectively prevented from entering the air draft fan.
Example 2
As a description of embodiment 2 of the present invention, only the differences from embodiment 1 will be described below.
Referring to fig. 6, in the dross collecting apparatus 2, the mud sucking port 24 points to the mud discharging port 23, and the bottom surface 500 of the mud-storing sealed chamber is a mud-sliding surface arranged obliquely downwards, so that the dross scraped by the mud scraping impeller 21 can be easily submerged, the mud discharging port 23 can be well submerged, and the whole dross collecting and conveying process can be conveniently carried out.
Example 3
As a description of embodiment 3 of the present invention, only the differences from embodiment 1 will be described below.
In the present embodiment, a rotary driving motor for driving the mud scraping impeller 21 to rotate to drive the mud scraping process is added, that is, the normal operation of the whole mud scraping process is effectively ensured.
Example 4
As a description of embodiment 4 of the present invention, only the differences from embodiment 2 will be described below.
Referring to the structure shown in fig. 4 and 6, a groove for accommodating the scum output pipe is formed on the fixed support platform 221, so that the scum conveying pipe is partially immersed in water to increase partial buoyancy, thereby minimizing the problem of front end side tilting along with the advancement of the scum conveying process.
Claims (10)
1. A sewage treatment system comprises a biochemical tank and a collection system for collecting foam scum on the surface of the biochemical tank; the device is characterized in that the collecting system comprises a scum collecting device floating on the surface of the pond, a mud sucking and storing device arranged on the side of the pond, a scum conveying pipe connected between the scum collecting device and the mud sucking and storing device, and a traction rope device used for drawing the scum collecting device to move on the surface of the pond in a plane;
the scum collecting device comprises an outer cover shell, a mud scraping impeller and a floating body; the outer housing and the floating body enclose a sludge storage cavity, and the sludge storage cavity is a sludge storage sealed cavity provided with a sludge discharge port and a sludge suction port which is in an outward convex shape relative to the front side edge of the floating body; the mud scraping impeller is rotatably arranged at the mud suction port through a rotating shaft, and the lower edge of the mud suction port is lower than the rotating shaft; the rotating shaft is positioned right above the front side edge, and the distance between the blade tip of the mud scraping impeller and the upper surface of the floating body is smaller than the thickness of scum covered on the upper surface of the floating body; the sludge discharge port is lower than the sludge storage surface of the sludge storage cavity;
the mud sucking and storing device comprises a mud storing cabin and an exhaust fan, the mud storing cabin is a mud storing sealed cavity with a suction interface and an external connecting port which are higher than the mud storing surface of the mud storing cabin, and a suction port of the exhaust fan is hermetically connected with the suction interface; one port of the scum conveying pipe is hermetically connected with the external connecting port, and the other port of the scum conveying pipe is hermetically connected with the sludge discharge port.
2. The wastewater treatment system according to claim 1, wherein:
the top area of the mud storage cabin is fixedly provided with a grid filter screen positioned above a mud storage surface and used for separating a mud storage sealing cavity into a mud storage cavity and a gas layer cavity, the suction interface is positioned on the upper side of the grid filter screen, and the external connection port is positioned on the lower side of the grid filter screen.
3. The wastewater treatment system according to claim 2, wherein:
in the transverse direction, an anti-suction safety distance is reserved between the suction interface and the external connecting port;
a sludge outlet, a reset tension spring and an opening and closing door plate for opening and closing the sludge outlet are distributed at the bottom of the sludge storage cabin; the upper end part of the opening and closing door plate is hinged with the bulkhead of the sludge storage cabin through a hinge, and the lower end part of the opening and closing door plate is fixedly connected with the bulkhead of the sludge storage cabin in an unlocking manner through a locking piece; one end of the reset tension spring is fixedly connected with the lower end part of the opening and closing door plate, the other end of the reset tension spring is fixedly connected with the cabin body of the mud storage cabin, and the elastic restoring force of the reset tension spring is used for forcing the opening and closing door plate to be closed when the cabin is empty.
4. The wastewater treatment system according to any of claims 1 to 3, wherein:
the outer housing comprises an upper sealing cover plate, a side sealing cover plate and an impeller sealing housing, wherein the upper sealing cover plate, the side sealing cover plate and the impeller sealing housing cover the mud scraping impeller, and the impeller sealing housing, the floating body and the side sealing cover plates positioned at two sides of the floating body form a mud suction port;
the high end side of the upper sealing cover plate is connected with the end part of the impeller sealing cover.
5. The wastewater treatment system according to claim 4, wherein:
the sludge discharge port is arranged at the lower side end of the upper sealing cover plate.
6. The wastewater treatment system according to any of claims 1 to 3, wherein:
the rear side edge of the floating body extends outwards relative to the outer housing to form a fixedly connected supporting platform which is used for fixedly connecting and supporting the pipe section of the scum conveying pipe, which is adjacent to the sludge discharge port;
the scum conveying pipe is a buoyancy pipe and can float on the water surface when being fully loaded with scum.
7. A froth pool face scum collecting system for sewage treatment is characterized by comprising a scum collecting device floating on the pool face, a mud sucking and storing device arranged at the side of the pool, a scum conveying pipe connected between the scum collecting device and the mud sucking and storing device, and a traction rope device used for drawing the scum collecting device to do plane movement on the pool face;
the scum collecting device comprises an outer cover shell, a mud scraping impeller and a floating body; the outer housing and the floating body enclose a sludge storage cavity, and the sludge storage cavity is a sludge storage sealed cavity provided with a sludge discharge port and a sludge suction port which is in an outward convex shape relative to the front side edge of the floating body; the mud scraping impeller is rotatably arranged at the mud suction port through a rotating shaft, and the lower edge of the mud suction port is lower than the rotating shaft; the rotating shaft is positioned right above the front side edge, and the distance between the blade tip of the mud scraping impeller and the upper surface of the floating body is smaller than the thickness of scum covered on the upper surface of the floating body; the sludge discharge port is lower than the sludge storage surface of the sludge storage cavity;
the mud sucking and storing device comprises a mud storing cabin and an exhaust fan, the mud storing cabin is a mud storing sealed cavity with a suction interface and an external connecting port which are higher than the mud storing surface of the mud storing cabin, and a suction port of the exhaust fan is hermetically connected with the suction interface; one port of the scum conveying pipe is hermetically connected with the external connecting port, and the other port of the scum conveying pipe is hermetically connected with the sludge discharge port.
8. The foamed pool face dross collection system of claim 7, wherein:
the top area of the mud storage cabin is fixedly provided with a grid filter screen positioned above a mud storage surface and used for separating a mud storage sealing cavity into a mud storage cavity and a gas layer cavity, the suction interface is positioned on the upper side of the grid filter screen, and the external connection port is positioned on the lower side of the grid filter screen.
9. The foamed pool face dross collection system of claim 8, wherein:
in the transverse direction, an anti-suction safety distance is reserved between the suction interface and the external connecting port;
a sludge outlet, a reset tension spring and an opening and closing door plate for opening and closing the sludge outlet are distributed at the bottom of the sludge storage cabin; the upper end part of the opening and closing door plate is hinged with the bulkhead of the sludge storage cabin through a hinge, and the lower end part of the opening and closing door plate is fixedly connected with the bulkhead of the sludge storage cabin in an unlocking manner through a locking piece; one end of the reset tension spring is fixedly connected with the lower end part of the opening and closing door plate, the other end of the reset tension spring is fixedly connected with the cabin body of the mud storage cabin, and the elastic restoring force of the reset tension spring is used for forcing the opening and closing door plate to be closed when the cabin is empty.
10. The foam-like pool face scum collection system as claimed in any one of claims 7 to 9, wherein:
the outer housing comprises an upper sealing cover plate, a side sealing cover plate and an impeller sealing housing, wherein the upper sealing cover plate, the side sealing cover plate and the impeller sealing housing cover the mud scraping impeller, and the impeller sealing housing, the floating body and the side sealing cover plates positioned at two sides of the floating body form a mud suction port;
the high end side of the upper sealing cover plate is connected with the end part of the impeller sealing cover;
the sludge discharge port is arranged at the lower side end of the upper sealing cover plate;
the rear side edge of the floating body extends outwards relative to the outer housing to form a fixedly connected supporting platform which is used for fixedly connecting and supporting the pipe section of the scum conveying pipe, which is adjacent to the sludge discharge port;
the scum conveying pipe is a buoyancy pipe and can float on the water surface when being fully loaded with scum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021259712.2U CN213327188U (en) | 2020-06-30 | 2020-06-30 | Sewage treatment system and foamy pool surface scum collection system thereof |
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| CN202021259712.2U CN213327188U (en) | 2020-06-30 | 2020-06-30 | Sewage treatment system and foamy pool surface scum collection system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215022A (en) * | 2021-12-13 | 2022-03-22 | 北京城市排水集团有限责任公司 | Liquid level foam, floating mud and debris cleaning device |
| CN115448396A (en) * | 2022-11-11 | 2022-12-09 | 湖南三友环保科技有限公司 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
-
2020
- 2020-06-30 CN CN202021259712.2U patent/CN213327188U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215022A (en) * | 2021-12-13 | 2022-03-22 | 北京城市排水集团有限责任公司 | Liquid level foam, floating mud and debris cleaning device |
| CN115448396A (en) * | 2022-11-11 | 2022-12-09 | 湖南三友环保科技有限公司 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
| CN115448396B (en) * | 2022-11-11 | 2023-03-03 | 湖南三友环保科技有限公司 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
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