CN219072350U

CN219072350U - Effluent collecting device of sedimentation tank

Info

Publication number: CN219072350U
Application number: CN202223141915.3U
Authority: CN
Inventors: 陈思宇; 邹婷; 马小征; 马云鹏; 周宏亮; 蒋帅; 郑磊; 范洁
Original assignee: Shenzhen Liyuan Water Design & Consultation Co ltd
Current assignee: Shenzhen Liyuan Water Design & Consultation Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-26
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a effluent collecting device of a sedimentation tank, which comprises a tank body; the mud collecting assembly comprises a mud collecting groove and a mud scraping mechanism, wherein two ends of the mud collecting groove are connected to two sides of the tank body, and the mud scraping mechanism is arranged at the top end of the tank body and can move along a mud scraping direction to scrape and send floating mud in the tank body into the mud collecting groove; the water collecting assembly comprises a water collecting tank and a filter screen assembly, two ends of the water collecting tank are connected to two sides of the tank body, and the water collecting tank is arranged below the mud collecting tank; the filter screen assembly comprises a plurality of filter screens, and a plurality of filter holes are formed in two side walls of the water collecting tank; the filter screens are arranged outside the filter holes in a one-to-one correspondence manner. According to the effluent collecting device of the sedimentation tank, the mud scraping mechanism can move in the tank body to scrape the floating mud in the tank body into the mud collecting groove, and the filter screen assembly in the water collecting groove can filter the floating mud, so that the effluent quality in the water collecting groove is higher.

Description

Effluent collecting device of sedimentation tank

Technical Field

The utility model relates to the technical field of sedimentation tanks, in particular to a water outlet collecting device of a sedimentation tank.

Background

The AOA (anaerobic-aerobic-anoxic) process technology is a continuous flow biological denitrification and dephosphorization process for sewage treatment, wherein slurry-water mixed liquid enters an aerobic tank from an anaerobic tank according to a plug flow mode, then enters an anoxic tank, and enters a secondary sedimentation tank after mixed reaction to complete AOA continuous flow biological denitrification. The process has the advantages of deep denitrification, energy conservation, small sludge yield, simple process, land occupation conservation and the like; but also has the pain points of high concentration of the discharged water sludge, poor sedimentation performance and floating sludge on the surface of the secondary sedimentation tank.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a discharged water collecting device of a sedimentation tank, which can move and scrape floating mud in the tank body into a mud collecting groove through a mud scraping mechanism, and a filter screen assembly in the water collecting groove can filter the floating mud, so that the discharged water quality in the water collecting groove is higher.

The utility model adopts the following technical scheme:

a effluent collecting device of a sedimentation tank, which comprises,

a cell body;

the mud collecting assembly comprises a mud collecting groove and a mud scraping mechanism, wherein two ends of the mud collecting groove are connected to two sides of the tank body, and the mud scraping mechanism is arranged at the top end of the tank body and can move along a mud scraping direction to scrape and send floating mud in the tank body into the mud collecting groove;

the water collecting assembly comprises a water collecting tank and a filter screen assembly, two ends of the water collecting tank are connected to two sides of the tank body, and the water collecting tank is arranged below the mud collecting tank; the filter screen assembly comprises a plurality of filter screens, and a plurality of filter holes are formed in two side walls of the water collecting tank; the filter screens are arranged outside the filter holes in a one-to-one correspondence manner.

Further, the mud scraping mechanism comprises a mud scraping frame and mud scraping sheets, and guide grooves are formed in two sides of the top end of the tank body; both ends of the mud scraping frame are assembled into the guide groove in a rolling way through first guide wheels; the mud scraping sheet is arranged on the mud scraping frame.

Further, a first limit switch is arranged on the tank body; the mud scraping frame is provided with a first touch piece, and the first touch piece is used for touching the first limit switch when the mud scraping frame moves to the end part of the tank body.

Further, the filter screen assembly further comprises a filter screen brush, a second guide wheel is arranged at the bottom end of the filter screen brush, guide rails are arranged at the bottoms of two sides of the water collecting tank, and two ends of the guide rails are connected to two sides of the tank body; the second guide wheel is in rolling fit with the guide rail; the filter screen brush is used for cleaning the filter screen when the second guide wheel rolls along the guide rail.

Further, a second limit switch is arranged on the side wall of the tank body, a second touching piece is arranged on the filter screen brush and used for touching the second limit switch when the second guide wheel is in rolling fit with the guide rail.

Compared with the prior art, the utility model has the beneficial effects that:

the mud and suspended matters in the mud-water mixed liquid in the tank body can float on the liquid surface, then the mud scraping mechanism at the top end of the tank body moves in the mud scraping direction, and in the reciprocating motion process, the mud scraping mechanism can scrape the mud and suspended matters in the mud-water mixed liquid and push the mud and the suspended matters into the mud collecting groove. In addition, the liquid below the muddy water mixed liquid can enter the water collecting tank and is filtered through the filter screen outside the plurality of filter holes on the side wall of the water collecting tank, and impurities such as floating mud which is not scraped in the muddy water mixed liquid are filtered, so that the water quality in the water collecting tank is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a mud collecting groove; 2. a water collection tank; 3. a filter screen; 4. a filter hole; 5. a guide rail; 6. a filter screen brush; 7. a second guide wheel; 8. a second limit switch; 9. a guide groove; 10. a first guide wheel; 11. a mud scraping sheet; 12. and a first limit switch.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and detailed description below:

the effluent collecting device of the sedimentation tank shown in figures 1 and 2 comprises a tank body, a mud collecting assembly and a water collecting assembly, wherein the mud collecting assembly and the water collecting assembly are arranged in the tank body,

the concrete mud collection subassembly includes mud collection groove 1 and mud scraping mechanism, connects the both ends of mud collection groove 1 in the both sides of cell body, and above-mentioned mud scraping mechanism installs in the top of cell body, and this mud scraping mechanism can follow a mud scraping direction motion, and can scrape the floating mud in the cell body and send to mud collection groove 1 when mud scraping mechanism follows the square motion of mud scraping.

In addition, this collection subassembly includes water catch bowl 2 and filter screen 3 subassembly, connects the both ends of water catch bowl 2 in the both sides of cell body, and the below of collection mud groove 1 is located to water catch bowl 2, and the top of water catch bowl 2 is connected in the bottom of collection mud groove 1, and collection mud groove 1 can cover in the top of water catch bowl 2 promptly.

The filter screen 3 assembly comprises a plurality of filter screens 3, a plurality of filter holes 4 are respectively formed in two side walls of the water collecting tank 2 correspondingly, and the filter screens 3 are arranged outside the filter holes 4 in a one-to-one correspondence manner during assembly.

On the basis of the structure, when the effluent collecting device of the sedimentation tank is used, the floating mud and suspended matters of the muddy water mixed solution of the sedimentation tank body can float on the liquid surface during the AOA process, then the mud scraping mechanism at the top end of the sedimentation tank body moves in the mud scraping direction, and in the reciprocating movement process, the mud scraping mechanism can scrape the floating mud, suspended matters and the like in the muddy water mixed solution and push the floating mud and the suspended matters into the mud collecting groove 1. Thus, impurities such as floating mud of the mixed liquid in the sedimentation tank can be deposited in the mud collecting tank 1, and the later concentrated treatment is convenient.

In addition, the liquid below the muddy water mixed liquid can enter the water collecting tank 2 and is filtered through the filter screen 3 in the plurality of filter holes 4 on the side wall of the water collecting tank 2, and impurities such as floating mud which is not scraped in the muddy water mixed liquid are filtered, so that the water quality in the water collecting tank 2 is higher. Naturally, a water pump may be provided in the water collection tank 2 to pump water, and water having a high water quality in the water collection tank 2 may be intensively discharged.

The mud scraping direction is the longitudinal direction of the tank body, and the mud collecting tank 1 and the water collecting tank 2 extend in the width direction of the tank body.

Further, the mud scraping mechanism in this embodiment includes and scrapes mud frame and scrapes mud piece 11, all is equipped with guide way 9 on the top both sides of cell body, corresponds and all sets up first leading wheel 10 at the both ends of scraping mud frame, so, when scraping the assembly of mud frame and cell body, the both ends of scraping mud frame all roll the assembly through first leading wheel 10 to in the guide way 9, and above-mentioned mud piece 11 is installed on scraping mud frame.

When scraping mud operation, can promote to scrape the mud frame, scrape the mud frame and roll in guide way 9 through first leading wheel 10, scrape mud frame alright along the length direction motion of cell body, scrape the mud piece 11 of scraping the mud frame alright scrape the float mud in the liquid in the reciprocating motion process of scraping the mud frame, float mud can adhere on scraping the mud piece 11, then scrape the mud piece 11 and move to the top of collection mud groove 1 and can push float mud to collection mud inslot 1.

It should be noted that the sludge scraping sheet 11 may be realized by a structure such as an iron sheet in the prior art. Of course, the first guiding wheel 10 may be an electric wheel in the prior art, which can be driven electrically, and has a higher degree of automation.

Further, a first limit switch 12 can be further arranged on the tank body, a first touch piece is correspondingly arranged on the mud scraping frame, the first touch piece can touch the first limit switch 12 when the mud scraping frame moves to the end of the tank body, the first limit switch 12 can send limit signals when the mud scraping frame moves to the end of the tank body, and an operator stops the mud scraping frame according to the limit signals of the first limit switch 12, so that the mud scraping frame is prevented from colliding with the tank body to be damaged.

And when the first touch piece of the filter screen brush 6 touches the first limit switch 12, the limit signal prompts that the mud scraping frame can reset to move, and the next round of mud scraping movement is performed.

Further, the filter screen 3 assembly further comprises a filter screen brush 6, a second guide wheel 7 is arranged at the bottom end of the filter screen brush 6 correspondingly, a guide rail 5 is arranged at the bottom of two sides of the water collecting tank correspondingly, and two ends of the guide rail 5 are connected to two sides of the tank body. The second guide wheel 7 is matched with the guide rail 5 in a rolling way, so that when the filter screen brush 6 moves, the second guide wheel 7 of the filter screen brush 6 can clean the filter screen 3 when rolling along the guide rail 5.

So, in order to avoid the filter screen 3 being blocked by suspended matters, the filter screen brush 6 can reciprocate through the guide rail 5 by the second guide wheel 7, and each filter screen 3 can be cleaned in the reciprocation process of the filter screen brush 6, so that the filter screen 3 is prevented from being blocked.

Likewise, a second limit switch 8 can be further arranged on the side wall of the tank body, a second touch piece is arranged on the filter screen brush 6, and the second touch piece can touch the second limit switch 8 when the second guide wheel 7 moves to the side wall of the tank body in the guide rail 5. When the filter screen brush 6 moves to the side wall of the tank body, the second limit switch 8 can be touched by a second touching piece to send limit signals, and an operator stops the movement of the filter screen brush 6 according to the limit signals of the second limit switch 8, so that the filter screen brush 6 is prevented from being damaged due to collision with the side wall of the tank body.

And when the second touching piece of the filter screen brush 6 touches the second limit switch 8, the limit signal prompts the filter screen brush 6 to reset and move, so that the next round of brushing operation of the filter screen brush 6 is performed.

It should be noted that, the first limit switch 12 and the second limit switch 8 in this embodiment may be implemented by selecting a contact switch, a grating switch, or the like in the prior art.

It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the appended claims.

Claims

1. A effluent collecting device of a sedimentation tank is characterized by comprising,

a cell body;

2. The effluent collecting device of the sedimentation tank as claimed in claim 1, wherein the mud scraping mechanism comprises a mud scraping frame and mud scraping sheets, and guide grooves are arranged on two sides of the top end of the tank body; both ends of the mud scraping frame are assembled into the guide groove in a rolling way through first guide wheels; the mud scraping sheet is arranged on the mud scraping frame.

3. The effluent collection device of the sedimentation tank of claim 2, wherein the tank body is provided with a first limit switch; the mud scraping frame is provided with a first touch piece, and the first touch piece is used for touching the first limit switch when the mud scraping frame moves to the end part of the tank body.

4. The effluent collection device of the sedimentation tank of claim 1, wherein the filter screen assembly further comprises a filter screen brush, the bottom end of the filter screen brush is provided with a second guide wheel, the bottoms of the two sides of the water collection tank are provided with guide rails, and the two ends of the guide rails are connected to the two sides of the tank body; the second guide wheel is in rolling fit with the guide rail; the filter screen brush is used for cleaning the filter screen when the second guide wheel rolls along the guide rail.

5. The effluent collection unit of claim 4, wherein a second limit switch is provided on a side wall of the tank body, and a second touching member is provided on the filter screen brush, and the second touching member is used for touching the second limit switch when the second guide wheel is in rolling fit with the guide rail.