CN220194083U

CN220194083U - Filtering dam

Info

Publication number: CN220194083U
Application number: CN202321389571.XU
Authority: CN
Inventors: 高东东; 田晓刚; 王春; 张珅; 田丰; 马野; 曾菡潇
Original assignee: SICHUAN ACADEMY OF ENVIRONMENTAL SCIENCES
Current assignee: SICHUAN ACADEMY OF ENVIRONMENTAL SCIENCES
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-12-19
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to a filtering dam which comprises a fixed filtering material layer and detachable filtering material layers arranged on two sides of the fixed filtering material layer, wherein an overhaul pavement is arranged above the detachable filtering material layers, the detachable filtering material layers comprise a plurality of filtering material modules, and each filtering material module is detachably arranged on the overhaul pavement or the fixed filtering material layers. Because the detachable filter material modules are arranged on the two sides (the water inlet side and the water outlet side) of the fixed filter material layer, in the operation process, solid impurities in sewage are firstly intercepted by the filter material modules, so that the solid impurities stay in the filter material modules, the solid impurities in the fixed filter material layer are less, and when the filter material modules are cleaned, the filter material modules can be detached and washed, and after the filter material modules are washed cleanly, the filter material modules are installed to the original positions, and the fixed filter material layer can not be cleaned for a long time, so that the later maintenance is more convenient.

Description

Filtering dam

Technical Field

The utility model belongs to the field of water treatment equipment, and particularly relates to a filtering dam.

Background

The traditional sewage treatment generally builds sedimentation tank, biochemical treatment pond, aeration tank, flocculation tank, ecological treatment pond etc. between two adjacent cell bodies, can separate through the filter dam, and sewage can flow to the next cell body through the filter dam to the filter dam itself has filterable function, can filter some with solid impurity such as floater, suspended solid in the sewage, thereby improves sewage treatment effect.

The conventional filtering dam is shown in fig. 1, and comprises a filtering material layer 100 formed by filtering materials and supporting walls 110 built on two sides of the filtering material layer 100, wherein the supporting walls 110 are built by porous bricks and are used for supporting the filtering material layer 100, and a maintenance pavement 1 is further arranged above the supporting walls 110 for facilitating maintenance of equipment in each tank body. In the running process, solid impurities in water can stay in the filter material layer 100 gradually, and when the filter material layer 100 is specially prepared, two side surfaces of the filter material layer are in direct contact with water, so that the filter material is easy to be blocked by impurities, and the filter material needs to be fished out when the filter material is required to be cleaned, and the filter material is filled between the two support walls 110 after the filter material is cleaned, so that the operation is troublesome and the efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a filtering dam which can more conveniently clean trapped solid impurities.

In order to solve the problems, the utility model adopts the following technical scheme: the filter dam comprises a fixed filter material layer and detachable filter material layers arranged on two sides of the fixed filter material layer, wherein an overhaul pavement is arranged above the detachable filter material layers, the detachable filter material layers comprise a plurality of filter material modules, and each filter material module is detachably arranged on the overhaul pavement or the fixed filter material layers.

Further, the filter material module comprises a cage body and filter materials arranged in the cage body.

Further, a guide rail which is horizontal and vertical to the overhauling pavement is arranged on the ground below the overhauling pavement, and the cage body is in sliding fit with the guide rail.

Further, be provided with on the guide rail with guide rail sliding fit's base, the upper surface of base is provided with the locating frame, the filter material module is placed in the locating frame.

Further, a vertical supporting vertical plate is arranged on the inner side of the overhaul pavement, a guide hole is formed in the lower portion of the supporting vertical plate, and a push rod in sliding fit with the guide hole is arranged in the guide hole; the top of supporting the riser is provided with the location horizontal pole, be provided with on the location horizontal pole with location horizontal pole clearance fit's pole setting, the lower extreme of pole setting articulates there is the transfer line of slope, the lower extreme of transfer line articulates with the one end of push rod, the other end and the locating frame fixed connection of push rod.

Further, a lock nut in threaded fit with the vertical rod is arranged above the positioning cross rod.

Further, the lower surface of the overhaul pavement is provided with a plurality of vertical support columns, and each filter material module is arranged between two adjacent support columns.

Further, the fixed filter material layer is filled between the two support net plates.

The beneficial effects of the utility model are as follows: because the detachable filter material modules are arranged on the two sides (the water inlet side and the water outlet side) of the fixed filter material layer, in the operation process, solid impurities in sewage are firstly intercepted by the filter material modules, so that the solid impurities stay in the filter material modules, the solid impurities in the fixed filter material layer are less, and when the filter material modules are cleaned, the filter material modules can be detached and washed, and after the filter material modules are washed cleanly, the filter material modules are installed to the original positions, and the fixed filter material layer can not be cleaned for a long time, so that the later maintenance is more convenient.

Drawings

FIG. 1 is a schematic illustration of a prior art filter dam;

FIG. 2 is a schematic view of a filter dam of the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

The filter dam comprises a fixed filter material layer 2 and detachable filter material layers arranged on two sides of the fixed filter material layer 2, wherein an overhaul pavement 1 is arranged above the detachable filter material layers, the detachable filter material layers comprise a plurality of filter material modules 3, and each filter material module 3 is detachably arranged on the overhaul pavement 1 or the fixed filter material layer 2.

The fixed filter material layer 2 may adopt volcanic rock particles, and in order to keep the fixed filter material layer 2 stable, vertical support net plates 14 may be disposed on two side surfaces of the fixed filter material layer 2, and the fixed filter material layer 2 is filled between the two support net plates 14.

The filter material module 3 also has a filtering function, and the filter material module 3 specifically comprises a cage body and filter materials arranged in the cage body. The cage body can be a cuboid cage-shaped structure surrounded by steel wire meshes or metal net plates, filter materials are filled in the cage body, and the filter materials can adopt volcanic rock particles.

In the sewage treatment process, suspended matters, floaters and other solid impurities in the sewage are trapped, the suspended matters, the floaters and other solid impurities are firstly reserved in the filter material module 3, the filter material module 3 can be detached after a period of operation, the filter material module 3 is washed by adopting a high-pressure water gun, and the filter material module 3 is installed in situ after the reserved solid impurities are cleaned.

The overhauling pavement 1 can be made of metal plates or a steel-concrete structure and is used for an overhauler to walk so that the overhauler can reach an overhauling position, and meanwhile, the filter material module 3 can be disassembled and assembled conveniently. In order to improve the structural strength of the overhaul pavement 1, a plurality of vertical support columns 13 are arranged on the lower surface of the overhaul pavement 1, the support columns 13 can be metal columns or concrete columns, and are the same as the overhaul pavement 1 in material, and each filter material module 3 is arranged between two adjacent support columns 13. The overhaul pavement 1 is arranged above the detachable filter material layers on the two sides, so that the overhaul pavement 1 is close to the sewage treatment tank bodies on the two sides of the filter dam, and equipment in the sewage treatment tank bodies is overhauled conveniently.

According to the utility model, the filter dam is of a 3-layer structure, the detachable filter material layers on the water inlet side and the water outlet side are directly contacted with water, impurities in the water are easy to accumulate in the detachable filter material layers, the middle fixed filter material layer 2 is not easy to block, the filter dam can be cleaned for a long time, and the easily blocked detachable filter material layer can be cleaned conveniently, so that the filter dam is more convenient to maintain in the later period.

In order to be convenient for install filter material module 3 in place, be convenient for simultaneously pull out filter material module 3 from the maintenance walk 1 below, be provided with the guide rail 4 of level and perpendicular to maintenance walk 1 on the subaerial below of maintenance walk 1, the cage body and guide rail 4 sliding fit. The guide rail 4 plays a role in guiding and positioning, when the filter material module 3 is installed, the filter material module 3 is placed on the guide rail 4, and then the filter material module 3 moves to the lower part of the maintenance pavement 1 along the guide rail 4 and contacts with the fixed filter material layer 2; when the filter material module 3 is disassembled, the filter material module 3 is pulled out, and the operation is convenient.

In order to further facilitate the positioning of the filter material module 3, a base 5 in sliding fit with the guide rail 4 is arranged on the guide rail 4, a positioning frame 6 is arranged on the upper surface of the base 5, and the filter material module 3 is placed in the positioning frame 6. The size of the inner cavity of the positioning frame 6 is matched with the external size of the filter material module 3, when the filter material module 3 is installed, the filter material module 3 is placed into the positioning frame 6, and then the positioning frame 6 is pushed to move to the lower part of the maintenance pavement 1.

Because the filter material module 3 is positioned below the maintenance walk 1, maintenance personnel can operate more laboriously when disassembling and assembling the filter material module 3, in order to disassemble and assemble the filter material module 3 more laborsaving, the inner side of the maintenance walk 1 is provided with a vertical supporting vertical plate 7, the lower part of the supporting vertical plate 7 is provided with a guide hole, and a push rod 8 which is in sliding fit with the guide hole is arranged in the guide hole; the top of supporting riser 7 is provided with location horizontal pole 9, is provided with on the location horizontal pole 9 with location horizontal pole 9 clearance fit's pole setting 10, the lower extreme of pole setting 10 articulates there is inclined transfer line 11, the lower extreme of transfer line 11 articulates with the one end of push rod 8, the other end and the locating frame 6 fixed connection of push rod 8.

When the filter material module 3 needs to be cleaned, the vertical rod 10 is pushed to move downwards, the vertical rod 10 pushes the transmission rod 11 to rotate, and the transmission rod 11 pushes the push rod 8 to move horizontally, so that the push rod 8 pushes the positioning frame 6 and the filter material module 3 inside the positioning frame to move horizontally until the filter material module 3 moves out of the coverage range of the overhauling pavement 1, and then the filter material module 3 is lifted. After adopting above-mentioned structure, once only can release two filter material modules 3 of fixed filter material layer 2 both sides simultaneously, and more laborsaving, efficient. After the filter material module 3 is cleaned, the filter material module 3 is placed into the positioning frame 6, and the vertical rod 10 is pulled to move upwards, so that the filter material module 3 can be pulled to the lower part of the overhaul pavement 1.

In order to keep the filter modules 3 fixed, a lock nut 12 in threaded engagement with the upright 10 is arranged above the positioning cross bar 9. When the filter material module 3 is installed in place, the locking nut 12 is screwed down, the positioning frame 6 is tensioned, and the positioning frame 6 can be kept stable. When the filter material module 3 is disassembled, the locking nut 12 is loosened.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Filter dam, its characterized in that: including fixed filter material layer (2) and the detachable filter material layer of setting in fixed filter material layer (2) both sides, the top of detachable filter material layer is provided with overhauls pavement (1), detachable filter material layer includes a plurality of filter material modules (3), and every filter material module (3) demountable installation is in overhauls pavement (1) or fixed filter material layer (2).

2. The filter dam of claim 1, wherein: the filter material module (3) comprises a cage body and filter materials arranged in the cage body.

3. The filter dam of claim 2, wherein: the guide rail (4) which is horizontal and vertical to the overhauling walk (1) is arranged on the ground below the overhauling walk (1), and the cage body is in sliding fit with the guide rail (4).

4. A filter dam as claimed in claim 3, wherein: the filter material module is characterized in that a base (5) which is in sliding fit with the guide rail (4) is arranged on the guide rail (4), a positioning frame (6) is arranged on the upper surface of the base (5), and the filter material module (3) is placed in the positioning frame (6).

5. The filter dam of claim 4, wherein: the inner side of the overhaul pavement (1) is provided with a vertical supporting vertical plate (7), the lower part of the supporting vertical plate (7) is provided with a guide hole, and a push rod (8) which is in sliding fit with the guide hole is arranged in the guide hole; the top of supporting riser (7) is provided with location horizontal pole (9), be provided with on location horizontal pole (9) with location horizontal pole (9) clearance fit's pole setting (10), the lower extreme of pole setting (10) articulates there is transmission pole (11) of slope, the lower extreme of transmission pole (11) articulates with the one end of push rod (8), the other end and the locating frame (6) fixed connection of push rod (8).

6. The filter dam of claim 5, wherein: a lock nut (12) in threaded fit with the vertical rod (10) is arranged above the positioning cross rod (9).

7. The filter dam of claim 1, wherein: the lower surface of the overhaul pavement (1) is provided with a plurality of vertical support columns (13), and each filter material module (3) is arranged between two adjacent support columns (13).

8. The filter dam of claim 1, wherein: the fixed filter material layer (2) is filled between the two support net plates (14).