Settling tank for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a sedimentation tank for sewage treatment, which comprises a tank body, a storage structure for separating sediments is arranged at the bottom of the tank body, the storage structure comprises a collecting body, sewage discharge grooves and a guide block, the collecting body is fixedly connected with the tank body, the collecting body is provided with a cavity, the bottom surface of the tank body is provided with a plurality of sewage discharge grooves, and the guide block is arranged in the cavity. The sewage discharge groove is communicated with the cavity of the collecting body, the bottom surface of the pool body is fixedly connected with a plurality of guide blocks, when sewage passes through the guide blocks, a transition phenomenon is generated through the cambered surfaces of the guide blocks, impurities are gathered on the sides of the guide blocks, namely the position of the sewage discharge groove after passing through the guide blocks along with the sewage, and then the impurities can fall into the cavity of the collecting body through the sewage discharge groove; impurities are repeatedly collected through a plurality of sewage discharge grooves and guide blocks, impurities in sewage are removed, the impurities are collected in a collection body, the content of starch in discharged sewage is reduced, the probability of blockage is reduced, meanwhile, starch in the sewage can be further recycled, and loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sedimentation tank for sewage treatment. Background Art

[0002] The prior art discloses a sedimentation tank for sewage treatment (CN202010541081.1), comprising a tank body, an annular water pool is installed on the outside of the tank body, a plurality of communication ports are opened on the side of the tank body, and the tank body and the annular water pool bracket are connected through the communication ports; an interception component is installed inside the annular water pool, a cleaning component is installed on the annular water pool, and a water inlet pipe and a plurality of sewage pipes are arranged on the top of the annular water pool;

[0003] In the prior art, sewage is stirred and the sewage pipe at the bottom of the tank is used to separate and discharge the settled impurities. As for the removal of precipitated impurities, the impurities accumulate at the bottom of the tank as they are stirred, resulting in accumulation and blockage of the pipe during sewage discharge. If the precipitated impurities can be continuously removed during the stirring process, the blockage caused by the accumulation can be alleviated. Therefore, there is a certain room for optimization in the separation method of precipitated impurities in sewage.

[0004] To this end, we propose a sedimentation tank for sewage treatment. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a sedimentation tank for sewage treatment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sedimentation tank for sewage treatment, including a tank body, which forms an open cylinder. The bottom of the tank body is provided with a storage structure for separating sediments, and the storage structure includes a collecting body, a drain trough and a guide block. The collecting body is fixedly connected to the tank body, and the collecting body has a cavity. A plurality of drain troughs are provided on the bottom surface of the tank body, and the drain troughs are connected to the chamber of the collecting body. A plurality of guide blocks are fixedly connected to the bottom surface of the tank body, and the guide blocks can guide the sediments into the corresponding drain troughs and fall into the chamber of the collecting body.

[0007] As a preferred embodiment of the present invention, the collecting body forms a cylindrical structure with an opening at the top, and the end surface of the collecting body opening is fixedly connected to the outer bottom surface of the cell body.

[0008] As a preferred embodiment of the present invention, the guide block forms a columnar structure with a semicircular cross section, the guide block is fixedly connected to the inner bottom surface of the pool body, and the arc surface of the guide block faces the opening of the pool body.

[0009] As a preferred embodiment of the present invention, the storage structure further comprises a guiding body, the guiding body is fixedly connected to the pool body, and a sedimentation channel is formed between the guiding body and the inner wall surface of the pool body.

[0010] As a preferred embodiment of the utility model, the guide body forms a conical structure, the bottom end of the guide body is fixedly connected to the center of the bottom surface of the pool body, and the sewage discharge groove is located between the guide body and the inner wall of the pool body.

[0011] As a preferred embodiment of the utility model, the storage structure also includes a push plate, a discharge trough and a sealing plate. The discharge trough is opened on the wall surface of the collecting body. The sealing plate is locked with the collecting body by bolts and seals the discharge trough. The push plate is arranged in the collecting body cavity, and the push plate can push the sediment to the discharge trough.

[0012] As a preferred embodiment of the utility model, the discharge trough is opened on the circumferential surface of the collecting body, the sealing plate and the discharge trough are used in cooperation with each other, the outer bottom surface of the collecting body is provided with a motor to drive a push plate to rotate, the bottom surface of the push plate is provided with a vertical groove, a scraper is slidably connected in the vertical groove, an elastic part is provided on the top of the scraper, the scraper is elastically connected to the push plate through the elastic part and contacts the inner bottom surface of the collecting body.

[0013] Beneficial Effects

[0014] The utility model provides a sedimentation tank for sewage treatment. It has the following beneficial effects:

[0015] 1. In a sedimentation tank for sewage treatment, the sewage is stirred, starch precipitates with the flow of sewage, and when the sewage passes through the guide block, a jump phenomenon occurs through the arc surface of the guide block. After the impurities pass through the guide block, they will gather on the side of the guide block, that is, the position of the sewage trough. Then, the impurities can fall into the collecting body cavity through the sewage trough. The impurities are repeatedly collected by multiple sewage troughs and guide blocks to remove impurities in the sewage and collect them in the collecting body, thereby reducing the starch content in the discharged sewage and the probability of blockage. At the same time, the starch in the sewage can be further recovered to reduce losses.

[0016] 2. This kind of sedimentation tank for sewage treatment is provided with a guide body. When the stirring motor stirs the sewage, impurities such as starch that have settled to the bottom are accumulated on the bottom surface of the tank body, and the inclined surface of the guide body can push the impurities toward the inner wall of the tank body. In combination with a number of sewage discharge troughs and guide blocks provided between the guide body and the inner wall of the tank body, the impurities precipitated in the tank body can be better discharged, which has the function of guiding the impurities.

[0017] 3. A sedimentation tank for sewage treatment is provided with a discharge chute, which is shielded and sealed by a sealing plate. Impurities stored in the tank body can be discharged from the discharge chute. A motor is fixedly installed on the bottom surface of the tank body. The push plate is fixedly connected to the motor output shaft. The push plate is driven to rotate by the motor. The inclined push plate can push and discharge the sediment collected in the tank body toward the discharge chute, thereby removing impurities and facilitating later maintenance and recovery of sediment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0019] Figure 2 This is the second overall stereogram of the utility model;

[0020] Figure 3 This is a schematic diagram of installing the guide block and the guide body on the pool body of the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the collector of the utility model;

[0022] Figure 5 This is a schematic diagram of a discharge chute for the collector of the utility model.

[0023] Legend: 10, tank body; 20, collecting body; 21, drain chute; 22, guide block; 23, guide body; 30, push plate; 31, discharge chute; 32, sealing plate. DETAILED DESCRIPTION

[0024] A sedimentation tank for sewage treatment, such as Figure 1 , Figure 2 and Figure 3As shown, it includes a pool body 10, which forms an open cylinder. The bottom of the pool body 10 is provided with a storage structure for separating sediments. The storage structure includes a collecting body 20, a drain trough 21 and a guide block 22. The collecting body 20 is fixedly connected to the pool body 10. The collecting body 20 has a cavity. A plurality of drain troughs 21 are provided on the bottom surface of the pool body 10. The drain troughs 21 are communicated with the chamber of the collecting body 20. A plurality of guide blocks 22 are fixedly connected to the bottom surface of the pool body 10. The guide blocks 22 can guide the sediments into the corresponding drain troughs 21 and fall into the chamber of the collecting body 20. The collecting body 20 forms a cylindrical structure with an open top. The end face of the opening of the collecting body 20 is fixedly connected to the outer bottom surface of the pool body 10. The guide block 22 forms a columnar structure with a semicircular cross section. The guide block 22 is fixedly connected to the inner bottom surface of the pool body 10. The arc surface of the guide block 22 faces the pool The opening of the body 10 is provided. In the present embodiment, a stirring motor is installed on the top surface of the pool body 10. The sewage sent into the chamber of the pool body 10 is stirred by the stirring motor, and impurities are settled under the action of gravity. It should be noted that the present embodiment is aimed at the sewage treatment in the production of potato starch. The sewage is stirred, and the starch precipitates with the flow of the sewage. When the sewage passes through the guide block 22, a transition phenomenon occurs through the arc surface of the guide block 22. After the impurities pass through the guide block 22, they will be gathered on the side of the guide block 22, that is, the position of the sewage trough 21. Then, the impurities can fall into the chamber of the collecting body 20 through the sewage trough 21. The impurities are repeatedly collected by multiple sewage troughs 21 and guide blocks 22 to remove impurities in the sewage. The impurities are collected in the collecting body 20, thereby reducing the content of starch in the discharged sewage and the probability of blockage. At the same time, the starch in the sewage can be further recovered to reduce the loss.

[0025] like Figure 1 and Figure 3 As shown, the storage structure also includes a guide body 23, which is fixedly connected to the pool body 10, and a sedimentation channel is formed between the guide body 23 and the inner wall of the pool body 10. The guide body 23 forms a conical structure, and the bottom end of the guide body 23 is fixedly connected to the center position of the inner bottom surface of the pool body 10. The sewage trough 21 is located between the guide body 23 and the inner wall of the pool body 10. By setting the guide body 23, during the process of the stirring motor stirring the sewage, impurities such as starch that have settled to the bottom are accumulated on the inner bottom surface of the pool body 10, and the inclined surface of the guide body 23 can push the impurities toward the inner wall of the pool body 10. In combination with the plurality of sewage troughs 21 and the guide blocks 22 set between the guide body 23 and the inner wall of the pool body 10, the impurities precipitated in the pool body 10 can be better discharged, which has the function of guiding the impurities.

[0026] like Figure 4 and Figure 5As shown, the storage structure also includes a push plate 30, a discharge trough 31 and a sealing plate 32. The wall surface of the collecting body 20 is provided with a discharge trough 31. The sealing plate 32 is locked with the collecting body 20 by bolts and blocks the discharge trough 31. The push plate 30 is arranged in the cavity of the collecting body 20. The push plate 30 can push the sediment to the discharge trough 31. The discharge trough 31 is opened on the circumferential surface of the collecting body 20. The sealing plate 32 and the discharge trough 31 cooperate with each other. The outer bottom surface of the collecting body 20 is provided with a motor to drive the push plate 30 to rotate. The bottom surface of the push plate 30 is provided with a vertical groove, and a The scraper is provided with an elastic member on the top of the scraper, and the scraper is elastically connected to the push plate 30 through the elastic member and contacts the inner bottom surface of the collecting body 20. In this scheme, by setting a discharge trough 31, the discharge trough 31 is blocked and sealed by a sealing plate 32, and impurities stored in the pool body 10 can be discharged from the discharge trough 31. The motor is fixedly installed on the inner bottom surface of the pool body 10, and the push plate 30 is fixedly connected to the motor output shaft. The push plate 30 is driven to rotate by the motor. The inclined push plate 30 can push and discharge the sediment collected in the pool body 10 toward the discharge trough 31, thereby achieving impurity removal and facilitating later maintenance and recovery of sediment.

[0027] The working principle of the utility model is as follows: the sewage is stirred, starch precipitation flows with the sewage, and when the sewage passes through the guide block 22, a jump phenomenon occurs through the arc surface of the guide block 22. After the impurities pass through the guide block 22, they will be collected on the side of the guide block 22, that is, the position of the drainage trough 21. Then, the impurities can fall into the cavity of the collecting body 20 through the drainage trough 21, and the impurities are repeatedly collected through multiple drainage troughs 21 and guide blocks 22.

[0028] The motor is fixedly installed on the bottom surface of the pool body 10, and the push plate 30 is fixedly connected to the motor output shaft. The push plate 30 is driven by the motor to rotate. The inclined push plate 30 can push and discharge the sediment collected in the pool body 10 toward the discharge trough 31 to achieve impurity removal.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sedimentation tank for sewage treatment, comprising a tank body (10), wherein the tank body (10) is formed into an open cylinder, characterized in that: The bottom of the tank body (10) is provided with a storage structure for separating sediments, the storage structure comprising a collecting body (20), a drainage trough (21) and a guide block (22); the collecting body (20) is fixedly connected to the tank body (10); the collecting body (20) has a cavity; a plurality of drainage troughs (21) are provided on the bottom surface of the tank body (10); the drainage troughs (21) are connected to the chamber of the collecting body (20); a plurality of guide blocks (22) are fixedly connected to the bottom surface of the tank body (10); the guide blocks (22) can guide the sediments into the corresponding drainage troughs (21) and fall into the chamber of the collecting body (20).

2. The sewage treatment sedimentation tank according to claim 1, characterized in that: The collecting body (20) is formed into a cylindrical structure with an open top, and the open end surface of the collecting body (20) is fixedly connected to the outer bottom surface of the pool body (10).

3. The sewage treatment sedimentation tank according to claim 1, characterized in that: The guide block (22) forms a columnar structure with a semicircular cross section. The guide block (22) is fixedly connected to the inner bottom surface of the pool body (10), and the arc surface of the guide block (22) faces the opening of the pool body (10).

4. The sewage treatment sedimentation tank according to claim 1, characterized in that: The storage structure further comprises a flow guide (23), wherein the flow guide (23) is fixedly connected to the pool body (10), and a sedimentation channel is formed between the flow guide (23) and the inner wall surface of the pool body (10).

5. The sewage treatment sedimentation tank according to claim 4, characterized in that: The flow guide (23) forms a conical structure, the bottom end of the flow guide (23) is fixedly connected to the center of the inner bottom surface of the pool body (10), and the sewage discharge groove (21) is located between the flow guide (23) and the inner wall of the pool body (10).

6. The sewage treatment sedimentation tank according to claim 1, characterized in that: The storage structure also includes a push plate (30), a discharge trough (31) and a sealing plate (32); the discharge trough (31) is provided on the wall surface of the collecting body (20); the sealing plate (32) is fastened to the collecting body (20) by bolts and seals the discharge trough (31); the push plate (30) is arranged in the cavity of the collecting body (20); and the push plate (30) can push the sediment to the discharge trough (31).

7. The sewage treatment sedimentation tank according to claim 6, characterized in that: The discharge trough (31) is provided on the circumferential surface of the collecting body (20), the sealing plate (32) and the discharge trough (31) are used in cooperation with each other, the outer bottom surface of the collecting body (20) is provided with a motor to drive a push plate (30) to rotate, the bottom surface of the push plate (30) is provided with a vertical groove, a scraper is slidably connected in the vertical groove, an elastic member is provided on the top of the scraper, the scraper is elastically connected to the push plate (30) through the elastic member and contacts the inner bottom surface of the collecting body (20).

Images