CN218089295U

CN218089295U - Self-cleaning device for water outlet weir of closed sludge concentration tank

Info

Publication number: CN218089295U
Application number: CN202221218660.3U
Authority: CN
Inventors: 池新丽; 陈泽枝; 林春明; 陈立博
Original assignee: Fujian Zhongmeng Environmental Protection Co ltd
Current assignee: Fujian Zhongmeng Environmental Protection Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-12-20
Anticipated expiration: 2032-05-21

Abstract

The utility model relates to the field of sewage treatment, in particular to a self-cleaning device for an effluent weir of a closed sludge thickener, which comprises a sludge thickener, wherein the inner wall of the sludge thickener is provided with the effluent weir; the utility model is beneficial to driving the cleaning device to operate when the thickener operates by arranging the fixing part between the thickener and the cleaning device, thus reducing the volume of the equipment and being beneficial to being arranged in a closed pool body; through set up the hole of permeating water on the spatula, be favorable to avoiding the spatula that the slope set up to receive the water resistance too big, lead to the unable normal rotation of concentrated machine.

Description

Self-cleaning device for water outlet weir of closed sludge concentration tank

Technical Field

The utility model relates to a sewage treatment field specifically is a closed sludge thickening pond goes out water weir from cleaning device.

Background

The sludge is a product after sewage treatment, and has the main characteristics of high water content (up to more than 99 percent), high organic matter content and easy decomposition and odor generation, and the sludge of the percolate system has higher odor intensity than the sludge of common domestic sewage, so a sludge concentration tank in the percolate system is usually designed into a closed structure unit, and only the rest enters a channel in the tank through an inspection manhole or an installation channel of equipment. The closed structure prevents stink from overflowing, ensures the environmental health of a plant area, prevents foreign objects from entering the pool to influence the normal operation of equipment, and also causes the problems that the maintenance and the overhaul are difficult to realize in the water outlet weir, a large amount of sludge is accumulated in a water outlet of the water outlet weir to influence the drainage capacity and the like.

The sludge concentration tank is used as a unit for storing and concentrating sludge, the properties of the entering sludge are different, and the concentration times of the entering sludge are different if the entering sludge is matched with a concentrator/a sludge scraper, and the water content of the sludge entering the sludge concentration tank from the secondary sludge concentration tank behind the aeration tank is taken as an example, and the water content can be reduced to 97-98%. The sludge concentration mainly reduces sludge interstitial water, the efficient concentration performance of the concentration tank can reduce the sludge volume to a certain degree, and the sludge concentration tank plays a certain role in reducing the subsequent construction investment and reducing the dosage and power consumption in the operation process. And the effluent weir is used as a water outlet unit of the concentration tank, and whether the effluent weir can smoothly discharge water in the tank out is important for the concentration effect.

The existing cleaning device for the water outlet weir mostly cleans sludge attached to the inner wall of the water outlet weir through the brush body which is abutted against the side wall, and the cleaning capability of the bottom of the water outlet weir is poor.

Based on this, the utility model designs a closed sludge thickening pond goes out water weir from cleaning device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed sludge thickening pond goes out water weir from cleaning device to solve above-mentioned technical problem.

In order to realize the purpose, the utility model provides the following technical scheme: the utility model provides a closed sludge thickening tank goes out water weir self-cleaning device, includes sludge thickening tank, sludge thickening tank inner wall is equipped with out the water weir, it is cyclic annular setting to go out the water weir, be equipped with concentrated machine in the sludge thickening tank, concentrated machine with sludge thickening tank swivelling joint, be equipped with cleaning device in going out the water weir, cleaning device with be equipped with the mounting between the concentrated machine, cleaning device is including scraping shovel and connecting rod, the connecting rod perpendicular with go out water weir tank bottom setting, the connecting rod is close to go out water weir tank bottom one end with scrape shovel bolted connection, the connecting rod other end with mounting bolted connection, be equipped with the horizontal pole on the connecting rod, the horizontal pole both ends are equipped with two sets of brushes respectively, and are two sets of the brush respectively with go out the opposition both sides inner wall looks butt of water weir.

Preferably, a plurality of groups of water permeable holes are arranged on the spatula.

Preferably, the scraping shovel is obliquely arranged, and one end of the scraping shovel, which is far away from the connecting rod, is abutted against the bottom wall of the effluent weir.

Preferably, the side of the spatula abutting against the effluent weir is arranged toward the rotation direction of the thickener.

Preferably, the brush is bolted to the cross bar.

Preferably, the thickener comprises an upper scraping arm, the fixing piece is connected with the upper scraping arm, the upper scraping arm is connected with the thickener in a sliding mode, and the sliding direction of the upper scraping arm is parallel to the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is beneficial to driving the cleaning device to operate when the thickener operates by arranging the fixing part between the thickener and the cleaning device, thus reducing the volume of the equipment and being beneficial to being arranged in a closed pool body; through set up the hole of permeating water on the spatula, be favorable to avoiding the spatula that the slope set up to receive the water resistance too big, lead to the unable normal rotation of concentrated machine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a sludge concentration tank, 11-an effluent weir, 2-a concentration machine, 21-an upper scraping arm, 3-a cleaning device, 31-a scraping shovel, 311-a water permeable hole, 32-a connecting rod, 33-a cross rod, 34-a brush and 4-a fixing piece.

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. All other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.

With reference to fig. 1-3:

a self-cleaning device of a closed type sludge concentration tank effluent weir comprises a sludge concentration tank 1, wherein an effluent weir 11 is arranged on the inner wall of the sludge concentration tank 1, the effluent weir 11 is arranged annularly, a concentrator 2 is arranged in the sludge concentration tank 1, the concentrator 2 is rotationally connected with the sludge concentration tank 1, a cleaning device 3 is arranged in the effluent weir 11, a fixing part 4 is arranged between the cleaning device 3 and the concentrator 2, the cleaning device 3 comprises a scraper 31 and a connecting rod 32, the connecting rod 32 is vertically arranged at the bottom of the effluent weir 11, one end, close to the bottom of the effluent weir 11, of the connecting rod 32 is connected with the scraper 31 through a bolt, the other end of the connecting rod 32 is connected with the fixing part 4 through a bolt, a cross rod 33 is arranged on the connecting rod 32, two ends of the cross rod 33 are respectively provided with two groups of brushes 34, and the two groups of brushes 34 are respectively abutted against the inner walls of two opposite sides of the effluent weir 11.

Further, a plurality of sets of water permeable holes 311 are provided on the spatula 31.

Furthermore, the spatula 31 is arranged obliquely, and one end of the spatula 31, which is far away from the connecting rod 32, is abutted against the bottom wall of the effluent weir 11.

Further, the scraper 31 is disposed in the rotating direction of the thickener 2 on the side of abutting against the weir 11.

Further, the brush 34 is bolted to the cross bar 33.

Further, the thickener 2 comprises an upper scraping arm 21, the fixing piece 4 is connected with the upper scraping arm 21, the upper scraping arm 21 is connected with the thickener 2 in a sliding mode, and the sliding direction of the upper scraping arm 21 is parallel to the connecting rod 32.

The utility model discloses embodiment of specific application:

in sewage passed through the inlet tube and got into sludge thickening tank 1, through 2 rotatory accelerating sludge flocculation sediment of the concentrated machine that set up in sludge thickening tank 1, the back is discharged from the blow off pipe of locating 1 bottoms of sludge thickening tank, and the water after the processing is accomplished passes through drainage weir discharge sludge thickening tank 1. The cleaning device 3 arranged in the water outlet weir 11 can clean the dirt blocked in the weir body by the water outlet weir 11.

The cleaning device 3 is connected with an upper scraping arm 21 in the thickener 2 through a fixing piece 4, when the thickener 2 rotates, the cleaning device 3 is driven to move in the annular effluent weir 11, so that the effluent weir 11 is cleaned, and a driving device is not required to be arranged outside the cleaning device 3. The upper scraping arm 21 is slidably connected with the thickener 2, and by controlling the sliding of the upper scraping arm 21 in the vertical direction in the thickener 2, the scraper 31 in the cleaning device 3 is favorably ensured to be in contact with the bottom of the water outlet weir 11. Ensuring the cleaning efficiency of the cleaning device 3 on the bottom of the effluent weir 11.

Spatula 31 and the setting of the concentrated machine 2 direction of rotation of the butt end of 11 diapalls of play weir, when cleaning device 3 rotated under the drive of concentrated machine 2, be favorable to spatula 31 slope to insert in the mud of siltation 11 bottom of play weir, promote the efficiency of cleaning of spatula 31 to 11 bottom mud of play weir.

The spatula 31 is provided with a water permeable hole 311, and when the spatula 31 rotates along with the thickener 2, the water in the effluent weir 11 passes through the spatula 31 through the water permeable hole 311 to retain the sludge on the spatula 31, so that the resistance of the water in the effluent weir 11 to the spatula 31 when the cleaning device 3 rotates is reduced under the condition of ensuring the cleaning efficiency. So that the cleaning device 3 can be driven by the thickener 2 to rotate.

Both ends of the connecting rod 32 are respectively connected with the scraping shovel 31 and the fixing piece 4 through bolts, so that the cleaning device 3 can be conveniently disassembled and assembled, and the cleaning device 3 can be conveniently and rapidly installed in a closed pool.

The brush 34 is fixed on the connecting rod 32 through the cross rod 33, and the cross rod 33 penetrates through the connecting rod 32, so that the brushes 34 arranged at the two ends of the cross rod 33 are respectively abutted against the inner walls at the two opposite sides of the effluent weir 11, and the cleaning device 3 is favorable for cleaning the side wall of the effluent weir 11. The brush 34 is connected with the cross bar 33 through bolts, which is beneficial to ensuring the connection firmness of the brush 34 and the cross bar 33 and facilitating the disassembly and assembly of the brush 34.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closed sludge thickening pond goes out mill weir from cleaning device, includes sludge thickening pond (1), sludge thickening pond (1) inner wall is equipped with out mill weir (11), it is cyclic annular setting to go out mill weir (11), its characterized in that: be equipped with concentrated machine (2) in sludge thickener (1), concentrated machine (2) with sludge thickener (1) swivelling joint, be equipped with cleaning device (3) in play weir (11), cleaning device (3) with be equipped with mounting (4) between concentrated machine (2), cleaning device (3) are including spatula (31) and connecting rod (32), connecting rod (32) perpendicular with play weir (11) tank bottom sets up, connecting rod (32) are close to play weir (11) tank bottom one end with spatula (31) bolted connection, connecting rod (32) other end with mounting (4) bolted connection, be equipped with horizontal pole (33) on connecting rod (32), horizontal pole (33) both ends are equipped with two sets of brushes (34), and are two sets of brush (34) respectively with play weir (11) opposition both sides inner wall looks butt.

2. The self-cleaning device for the effluent weir of the closed sludge concentration tank as claimed in claim 1, wherein: a plurality of groups of water permeable holes (311) are arranged on the scraping shovel (31).

3. The self-cleaning device for the effluent weir of the closed sludge concentration tank as claimed in claim 1, wherein: the scraping shovel (31) is obliquely arranged, and one end of the scraping shovel (31) far away from the connecting rod (32) is abutted to the bottom wall of the water outlet weir (11).

4. The self-cleaning device for the water outlet weir of the closed sludge concentration tank as claimed in claim 3, wherein: the scraping shovel (31) is arranged towards the rotating direction of the thickener (2) at one side where the scraping shovel is abutted against the water outlet weir (11).

5. The self-cleaning device for the effluent weir of the closed sludge concentration tank as claimed in claim 1, wherein: the brush (34) is connected with the cross rod (33) through bolts.

6. The self-cleaning device for the effluent weir of the closed sludge concentration tank as claimed in claim 1, wherein: the thickener (2) comprises an upper scraping arm (21), the fixing piece (4) is connected with the upper scraping arm (21), the upper scraping arm (21) is connected with the thickener (2) in a sliding manner, and the sliding direction of the upper scraping arm (21) is parallel to the connecting rod (32).