CN213077590U

CN213077590U - Device for removing duckweed scum in secondary sedimentation tank

Info

Publication number: CN213077590U
Application number: CN202021342146.1U
Authority: CN
Inventors: 张兵; 郑维海; 韦俊尚; 许荣; 郑树威; 韦荣
Original assignee: Cecep Guozhen Environmental Protection Technology Co ltd
Current assignee: Cecep Guozhen Environmental Protection Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-30
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a two heavy ponds remove duckweed dross device, connect in the mud scraper of two heavy ponds upper end including rotating, the mud scraper includes and rotates the walking bridge of being connected with two heavy ponds upper end, and rotatory nozzle is connected to walking bridge upper end, and rotatory nozzle is located walking bridge central point and puts, walking bridge below fixedly connected with mud cutting pump, and mud cutting pump and rotatory nozzle pass through the pipeline intercommunication, the utility model provides a two heavy ponds remove duckweed dross device, when the rotatory nozzle is gone into to supernatant pump with two heavy ponds by the mud cutting pump, water pressure in the supernatant can realize driving 360 rotations of rotatory nozzle. After the supernatant falls into the secondary sedimentation tank, on one hand, the duckweed scum collected in the secondary sedimentation tank can be scattered, and finally, the duckweed scum is collected at the edge of the secondary sedimentation tank and is scraped into a slag outlet by a slag scraping plate to be discharged. Therefore, duckweed scum in the secondary sedimentation tank can be effectively removed, the drowning condition when an operator cleans the tank surface is prevented, and the labor intensity of the operator is reduced.

Description

Device for removing duckweed scum in secondary sedimentation tank

Technical Field

The utility model relates to a sewage treatment device field specifically is a two heavy ponds remove duckweed dross device.

Background

The peripheral transmission mud scraper consists of a working bridge, a scraping arm, a mud scraping plate component, a central support, a driving mechanism, a current collector, an electric cabinet and other main parts, and a water outlet triangular weir plate, a steady flow cylinder, a slag baffle, a scum scraper and other accessories. The working bridge is driven by a driving mechanism arranged on the periphery and rotates around a central support on the central buttress of the pool. The logarithmic spiral sludge scraping plate is dragged to rotate by the scraping arm hung below the working bridge, and sludge precipitated at the bottom of the tank is collected to the central sludge collecting pit by the sludge scraping plate.

The duckweed scum on the liquid surface is concentrated in a reducing area formed by the scum board and the peripheral scum boards, and then the duckweeds are manually scraped to a scum hole of the secondary sedimentation tank in a salvaging mode so as to discharge the duckweed scum out of the tank. This method has the following disadvantages: firstly, the floating mud and the floating slag must be cleaned every day, the cleaning frequency is high, and the cost of sewage treatment of a sewage plant is increased; secondly, a large amount of manpower and material resources are consumed by adopting a manual fishing method, so that the cost of sewage treatment of a sewage plant is greatly increased; thirdly, the method of manual cleaning is adopted, and because the floating mud can not be completely caked sometimes, the cleaning difficulty is very high, the floating mud is difficult to clean, and safety accidents such as drowning and industrial injury of personnel can easily occur. A device for removing duckweed dross in a secondary sedimentation tank is urgently needed to fill the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two heavy ponds remove duckweed dross device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a two sink ponds remove duckweed dross device, is including rotating the mud scraper of connecting in two sink pond upper ends, the mud scraper include with two sink pond upper ends and rotate the walking bridge of being connected, rotatory nozzle is connected to walking bridge upper end, rotatory nozzle is located walking bridge central point puts, walking bridge below fixedly connected with mud cutting pump, mud cutting pump with rotatory nozzle passes through the pipeline intercommunication.

As a further aspect of the present invention: walking bridge below fixedly connected with scum board, walking bridge outside fixedly connected with slag notch, the slag notch is located the scum board is kept away from rotatory nozzle's one end.

As a further aspect of the present invention: the lower part of the rotary spray head is fixedly connected with the walking bridge through a support, and the support is a triangular support.

As a further aspect of the present invention: the included angle between the supporting legs of the support and the horizontal plane is 30-75 degrees.

As a further aspect of the present invention: the top end of the rotary spray head extends obliquely upwards from the center of the walking bridge to form an opening.

As a further aspect of the present invention: the opening of the rotary spray head is 20-150mm away from the upper end of the walking bridge.

As a further aspect of the present invention: the included angle between the spraying angle of the rotary spray head and the horizontal plane is 30-60 degrees.

As a further aspect of the present invention: the spraying radius of the rotary spray head is 0.1-1m smaller than the inner diameter of the secondary sedimentation tank.

As a further aspect of the present invention: the distance between the sludge cutting pump and the bottom of the secondary sedimentation tank is 0.8-1.2 m.

As a further aspect of the present invention: the rotary spray head is a rocker arm rotary spray head.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a two heavy ponds remove duckweed dross device, when the rotatory nozzle is gone into with the supernatant pump in two heavy ponds to the mud cutting pump, water pressure in the supernatant can realize driving 360 rotations of rotatory nozzle. The supernatant can break up the duckweed dross gathered in the secondary sedimentation tank after falling into the secondary sedimentation tank, on the other hand makes the surface of water in the secondary sedimentation tank produce the ripple, and the duckweed dross that is broken up constantly moves to secondary sedimentation tank edge along with the ripple, and the duckweed dross gathers at secondary sedimentation tank edge to scrape into the slag notch by the scum board and discharge. Thereby can effectively clear away the duckweed dross in the secondary sedimentation pond, the condition that takes place drowned when preventing operating personnel from clearing up the pool face reduces operating personnel intensity of labour, further strengthens and ensures the advantage of secondary sedimentation pond play water quality of water, is fit for using widely on secondary sedimentation pond.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

In the figure: 1-a sludge cutting pump, 2-a bracket, 3-a rotary nozzle, 4-a walking bridge, 5-a slag scraping plate and 6-a slag outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in the embodiment of the present invention, a duckweed dross removing device for a secondary sedimentation tank, including rotating a mud scraper connected to the upper end of the secondary sedimentation tank, the mud scraper is a peripheral transmission type mud scraper, the mud scraper includes a walking bridge 4 connected to the upper end of the secondary sedimentation tank, a scum board 5 is fixedly connected to the lower part of the walking bridge 4, a scum hole 6 is fixedly connected to the outer side of the walking bridge 4, the scum hole 6 is located on one end of the scum board 5 far away from a rotating nozzle 3, the scum board 5 is arranged below the walking bridge 4, and rotates along with the walking bridge 4, and the scum board 5 is driven to move when the walking bridge 4 rotates. When the scum board 5 moves to the position of the scum outlet 6, the collected duckweed scum is pushed into the scum outlet 6.

The upper end of a walking bridge 4 is connected with a rotary spray head 3, the rotary spray head 3 is positioned at the central position of the walking bridge 4, the lower part of the rotary spray head 3 is fixedly connected with the walking bridge 4 through a bracket 2, a sludge cutting pump 1 is fixedly connected with the lower part of the walking bridge 4, the sludge cutting pump 1 is communicated with the rotary spray head 3 through a pipeline 7, the sludge cutting pump 1 is arranged in a pool body of a secondary sedimentation pool, the sludge cutting pump 1 is fixed below the walking bridge 4 with peripheral transmission mud scraping through a stainless steel chain, the sludge cutting pump 1 is 0.8-1.2m away from the bottom of the secondary sedimentation pool, and the model of the sludge cutting pump 1 is 50GNWQ15-28-3 cutting pump; the support 2 is fixed at the center of the walking bridge 4, the support 2 is a triangular support, and the included angle between the supporting legs of the support 2 and the horizontal plane is 30-75 degrees; the rotary spray head 3 is sleeved on the support 2, the top end of the rotary spray head 3 extends obliquely upwards from the center of the walking bridge 4 to form an opening, the distance between the opening of the rotary spray head 3 and the upper end of the walking bridge 4 is 20-150mm, the included angle between the spray angle of the rotary spray head 3 and the horizontal plane is 30-60 degrees, in order to ensure that water sprayed by the rotary spray head 3 can fall on the edge of the secondary sedimentation tank, when the inner diameter of the secondary sedimentation tank is r, the spray radius of the rotary spray head 3 is r- (0.1-1) m, namely the spray radius of the rotary spray head 3 is 0.1-1m smaller than the inner diameter of the secondary sedimentation tank, and in the embodiment, the inner diameter of the secondary sedimentation tank is 17 m. The spraying radius of the rotary sprayer 3 is 16 meters, the opening can rotate for 360 degrees, the rotary sprayer 3 is a rocker rotary sprayer 3, and the rocker rotary sprayer 3 automatically rotates through water pressure. That is to say, when the sludge cutting pump 1 pumps the supernatant in the secondary sedimentation tank into the rotary sprayer 3, the water pressure in the supernatant can drive the rotary sprayer 3 to rotate 360 degrees, that is, the rotary sprayer 3 in this embodiment does not need extra power to rotate 360 degrees.

In this embodiment, the rotary nozzle 3 is a rocker rotary nozzle, the rocker rotary nozzle includes a rotary seal portion and an opening, the opening includes a nozzle and a rocker shaft, when rocker arm pressure water with a flow deflector (water baffle) and a flow deflector at the front end is sleeved on the rocker shaft above the nozzle and sprayed out from the nozzle of the nozzle, the flow deflector impacts the flow deflector to make the rocker arm generate tangential motion force to rotate an angle around the cantilever, and then the rocker arm returns and impacts the nozzle under the action of a torsion spring to make the nozzle rotate an angle, and the operation is repeated, so that the rotary nozzle 3 can rotate in a full circle. The rotary sealing part is connected with an opening at the upper end of the pipeline 7, and the lower end port of the pipeline 7 is connected with the sludge cutting pump 1. The rocker shaft rotates around the pipe 7.

The utility model discloses when using, at first start sludge cutting pump 1, sludge cutting pump 1 goes into rotatory nozzle 3 with the supernatant in two heavy ponds through pipeline 7 pump, the supernatant falls two heavy ponds after the opening part blowout of rotatory nozzle 3, rotatory nozzle 3 rotates 360 at water spray in-process, the supernatant makes whole two heavy pond pool faces all produce the ripple at the in-process that falls, also that, all there is the water droplet to fall in the whole spray radius, and corrugated direction of motion is for the edge diffusion to two heavy ponds, thereby can make the duckweed dross in the heavy pond constantly move to two heavy pond edges along with the ripple, the scum board 5 of scraping through peripheral transmission mud scraper scrapes into slag notch 6 and discharges at the duckweed of two heavy pond edges.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a two sink ponds and remove duckweed dross device, connects in the mud scraper of two sink ponds upper ends including rotating, the mud scraper includes and rotates walking bridge (4) of being connected with two sink pond upper ends, its characterized in that, rotatory nozzle (3) are connected to walking bridge (4) upper end, rotatory nozzle (3) are located walking bridge (4) central point puts, walking bridge (4) below fixedly connected with mud cutting pump (1), mud cutting pump (1) with rotatory nozzle (3) pass through pipeline (7) intercommunication.

2. The device for removing duckweed scum according to claim 1, wherein a scum board (5) is fixedly connected below the walking bridge (4), a slag outlet (6) is fixedly connected outside the walking bridge (4), and the slag outlet (6) is positioned at one end of the scum board (5) far away from the rotary sprayer (3).

3. The device for removing duckweed scum according to claim 1, wherein the lower part of the rotary spray head (3) is fixedly connected with the walking bridge (4) through a bracket (2), and the bracket (2) is a triangular bracket.

4. A secondary sedimentation tank duckweed scum removal apparatus as claimed in claim 3, wherein the legs of the bracket (2) are angled from 30 ° to 75 ° from the horizontal.

5. The device for removing duckweed scum according to claim 1, wherein the top end of the rotary spray head (3) is opened by extending obliquely upward from the center of the walking bridge (4).

6. The device for removing duckweed scum according to claim 5, wherein the opening of the rotating nozzle (3) is 20-150mm away from the upper end of the walking bridge (4).

7. The device for removing duckweed dross in a secondary sedimentation tank according to claim 5, wherein the angle between the spraying angle of the rotary spray head (3) and the horizontal plane is 30-60 degrees.

8. The device for removing duckweed scum in a secondary sedimentation tank as claimed in claim 1, wherein the spray radius of the rotary spray head (3) is 0.1-1m smaller than the inner diameter of the secondary sedimentation tank.

9. The device for removing duckweed scum in a secondary sedimentation tank as claimed in claim 1, wherein the sludge cutting pump (1) is 0.8-1.2m away from the bottom of the secondary sedimentation tank.

10. The device for removing duckweed scum according to claim 1, wherein the rotary sprayer (3) is a rocker rotary sprayer.