CN220939270U

CN220939270U - Sand-containing slurry treatment system

Info

Publication number: CN220939270U
Application number: CN202322683621.1U
Authority: CN
Inventors: 陈健; 陈宝军; 廖振光
Original assignee: Guangdong Zhongmei Geological Environment Engineering Co ltd
Current assignee: Guangdong Zhongmei Geological Environment Engineering Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-14
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses a sand-containing slurry treatment system, which aims to remove sand in sand-containing slurry and recover sand resources as much as possible, and adopts the technical scheme that: the sand-containing slurry treatment system comprises a sand setting tank and a sludge tank, wherein the top of the sand setting tank is connected with a slurry inlet tank, an overflow tank is arranged between the sand setting tank and the sludge tank, a slurry outlet pipe is arranged at the bottom of the sludge tank, and the overflow tank is lower than the slurry inlet tank; the inner cavity of the sand setting tank is in an inverted quadrangular frustum pyramid shape, the bottom of the sand setting tank is connected with a sand lifting device, and sand deposited at the bottom of the sand setting tank is discharged to the outside of the sand setting tank by the sand lifting device, and the sand setting tank belongs to the technical field of slurry treatment.

Description

Sand-containing slurry treatment system

Technical Field

The utility model belongs to the technical field of slurry treatment, and particularly relates to a sand-containing slurry treatment system.

Background

At present, urban river pollution is divided into exogenous pollution and endogenous pollution; exogenous pollution generally refers to sewage discharged to a river randomly, and endogenous pollution generally refers to bottom mud of the river for releasing pollutants. The common approach for solving the endogenous pollution is to carry out off-site treatment on the sediment, namely dredging the sediment of the river channel to the outside of the river channel in a hydraulic dredging manner for environmental protection treatment; in the hydraulic dredging process, the bottom mud is changed into mud, the sand content of the mud is high, in the conventional bottom mud treatment process, sand in the mud is rarely treated, if the sand in the mud can be separated, waste can be changed into valuable, the sand can be recycled, and the treatment efficiency of the mud can be improved.

Disclosure of utility model

The utility model mainly aims to provide a sand-containing slurry treatment system, which aims to remove sand in sand-containing slurry and recover sand resources as much as possible.

According to a first aspect of the utility model, there is provided a sand-containing slurry treatment system, comprising a grit chamber and a sludge tank, wherein the top of the grit chamber is connected with a slurry inlet groove, an overflow groove is arranged between the grit chamber and the sludge tank, a slurry outlet pipe is arranged at the bottom of the sludge tank, and the overflow groove is lower than the slurry inlet groove;

The inner cavity of the sand setting tank is in an inverted quadrangular frustum pyramid shape, the bottom of the sand setting tank is connected with a sand lifting device, and the sand lifting device discharges sand deposited at the bottom of the sand setting tank to the outside of the sand setting tank.

In the sand-containing slurry treatment system, the sand extracting device comprises a sand outlet pipeline which extends from the bottom of the sand setting tank to the outside of the sand setting tank in an inclined and upward mode, and a spiral pusher is arranged in the sand outlet pipeline.

In the sand-containing slurry treatment system, the top of the sand outlet pipeline is higher than the top of the sand setting tank.

In the sand-containing slurry treatment system, the sand outlet pipeline is attached to one side face of the inner cavity of the sand setting tank.

In the sand-containing mud treatment system, a stirring device is arranged in the mud tank.

In the sand-containing mud treatment system, the stirring device comprises a platform fixed at the top of the sludge tank, a rotating shaft rotatably arranged on the platform and a driving module arranged on the platform and used for driving the rotating shaft to rotate, the rotating shaft extends into the sludge tank, and blades are arranged on the rotating shaft.

In the sand-containing mud treatment system, the number of the blades is at least two, and the blades are arranged at intervals along the extending direction of the rotating shaft.

In the sand-containing slurry treatment system, a plurality of blades are circumferentially and uniformly distributed around the axis of the rotating shaft.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:

According to the utility model, the sand setting tank and the sludge tank are arranged, sand-containing slurry is discharged into the sand setting tank through the slurry inlet tank, based on the structure of the sand setting tank, sand can be deposited at the bottom of the sand setting tank, the sand at the bottom can be gradually discharged under the action of the sand extracting device, and the slurry flows into the sludge tank through the overflow tank, at the moment, most of the sand in the slurry is recovered in the sand setting tank, and the sludge tank discharges the slurry through the slurry outlet pipe for environmental protection treatment, so that most of the sand in the sand-containing slurry can be recovered, and sand resources can be fully utilized.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a top view of a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1 of a first embodiment of the present utility model;

fig. 3 is a left side view of a first embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 3, in one embodiment of the present utility model, a sand-containing slurry treatment system includes a grit chamber 1 and a sludge tank 2, wherein a slurry inlet tank 3 is connected to the top of the grit chamber 1, an overflow tank 4 is arranged between the grit chamber 1 and the sludge tank 2, a slurry outlet pipe 5 is arranged at the bottom of the sludge tank 2, and the overflow tank 4 is lower than the slurry inlet tank 3;

The inner cavity of the grit chamber 1 is in an inverted quadrangular frustum pyramid shape, and the bottom of the grit chamber 1 is connected with a sand lifting device 6;

The sand-containing slurry is discharged into the grit chamber 1 through the slurry inlet tank 3, sand can be precipitated at the bottom of the grit chamber 1 based on the structure of the grit chamber 1, the sand at the bottom of the grit chamber 1 can be gradually discharged outside the grit chamber 1 under the action of the sand extracting device 6, the slurry flows into the sludge tank 2 through the overflow tank 4, most of the sand in the slurry is recovered in the grit chamber 1 at this time, and the sludge tank 2 discharges the slurry through the slurry outlet pipe 5 for environmental protection treatment, so that most of the sand in the sand-containing slurry can be recovered, and sand resources can be fully utilized.

In the present embodiment, the sand lifting device 6 includes a sand outlet pipe 61 extending obliquely upward from the bottom of the grit chamber 1 to the outside of the grit chamber 1, a screw pusher 62 is provided in the sand outlet pipe 61, and sand at the bottom of the grit chamber 1 is gradually moved upward along the sand outlet pipe 61 by the screw pusher 62 until discharged;

And, the top of the sand outlet pipe 61 is higher than the top of the grit chamber 1; during the process of moving up the sand outlet pipe 61, the slurry moves down the sand outlet pipe 61, thereby realizing sand-water separation.

In the present embodiment, the sand outlet pipe 61 is attached to one of the side surfaces of the inner chamber of the grit chamber 1; by this design, sand is prevented from accumulating between the sand outlet pipe 61 and the inner chamber side of the grit chamber 1.

In this embodiment, the stirring device 7 is disposed in the sludge tank 2, and the stirring device 7 is used for stirring the sludge in the sludge tank 2, so as to prevent the sludge from depositing and prevent the sludge from hardening.

Specifically, the stirring device 7 comprises a platform 71 fixed on the top of the sludge tank 2, a rotating shaft 72 rotatably arranged on the platform 71 and a driving module 73 arranged on the platform 71 and used for driving the rotating shaft 72 to rotate, the rotating shaft 72 extends into the sludge tank 2, and the rotating shaft 72 is provided with a blade 74; the rotation of the shaft 72 rotates the blades 74, and the sludge in the sludge tank 2 is agitated by the blades 74.

In the present embodiment, the blades 74 are divided into two groups and are arranged at intervals along the extending direction of the rotating shaft 72, each group includes a plurality of blades 74, and the blades 74 of the same group are circumferentially uniformly distributed around the axis of the rotating shaft 72.

In this embodiment, the driving module 73 includes a motor, which is connected to the rotating shaft 72 by a coupling, and drives the rotating shaft 72 to rotate.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The sand-containing slurry treatment system is characterized by comprising a sand setting tank and a sludge tank, wherein the top of the sand setting tank is connected with a slurry inlet tank, an overflow tank is arranged between the sand setting tank and the sludge tank, a slurry outlet pipe is arranged at the bottom of the sludge tank, and the overflow tank is lower than the slurry inlet tank;

2. A sand-containing mud treatment system according to claim 1, wherein the sand lifting device comprises a sand outlet pipe extending obliquely upwards from the bottom of the grit chamber to the outside of the grit chamber, and a screw pusher is arranged in the sand outlet pipe.

3. A sand-containing mud treatment system according to claim 2, wherein the top of the sand-out pipe is higher than the top of the grit chamber.

4. A sand-containing mud treatment system as claimed in claim 2 wherein the sand-out pipe is attached to one of the sides of the chamber of the grit chamber.

5. The sand-bearing mud treatment system of claim 1, wherein a stirring device is provided in the sludge basin.

6. The system of claim 5, wherein the stirring device comprises a platform fixed on the top of the sludge tank, a rotating shaft rotatably arranged on the platform, and a driving module arranged on the platform and used for driving the rotating shaft to rotate, the rotating shaft extends into the sludge tank, and blades are arranged on the rotating shaft.

7. The sand-bearing mud treatment system of claim 6, wherein the blades are at least two and spaced apart along the extension of the shaft.

8. The sand-bearing mud treatment system of claim 6, wherein the plurality of blades are circumferentially distributed about the axis of the shaft.