Sludge backflow sedimentation tank

Abstract

The utility model discloses a sludge backflow sedimentation tank which comprises a sedimentation tank body and a seat body, the sedimentation tank body is fixedly connected to the top of the seat body, a water inlet is formed in the left side of the top of the sedimentation tank body in a penetrating mode, a drainage pipe is connected to the lower portion of the right side of the sedimentation tank body in a penetrating mode, and an isolation frame is fixed to the right side of the top of the sedimentation tank body in a penetrating mode. The seat body comprises a supporting seat and a sewage discharge box, the right side of the supporting seat is fixedly connected with the sewage discharge box, settled sludge can be rapidly discharged, the sludge can be intensively discharged, the sludge and sewage can be specifically and separately collected, and the situation that the sludge and a large amount of sewage are discharged in the sludge discharge process is avoided; the sludge discharge effect is greatly improved, the sludge can be continuously discharged from the inner barrel body, and the sludge is effectively prevented from being blocked in the discharge process.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, specifically, relate to a sludge backflow sedimentation tank. BACKGROUND

[0002] The sedimentation tank is a kind of treatment equipment for removing suspended solids in water by sedimentation, and is widely used in wastewater treatment.The return sludge is activated sludge separated from secondary sedimentation (or sedimentation zone) and returned to biological section.The return sludge refers to the part of sludge returned to the aeration tank from the sludge concentrated by secondary sedimentation tank.The purpose of return sludge is to maintain a certain concentration of suspended solids in the aeration tank, that is, to maintain a certain concentration of microorganisms.However, the sludge in the sludge backflow sedimentation tank is slow to discharge due to accumulation, resulting in uneven fluid dynamic distribution in the sludge backflow area at the bottom of the sedimentation tank, and slow discharge and blockage of the sludge discharge pipe inside the sedimentation tank, and low efficiency of sludge backflow in the sedimentation tank,

[0003] In the prior art, the sludge backflow sedimentation tank with the application number 202223315503.7 includes a sedimentation tank body, a clamping assembly connected to the top of the sedimentation tank body, a sealing cover connected to the clamping assembly, a driving motor fixedly installed on the surface of the inner wall of the sedimentation tank body through a waterproof frame, a sludge scraping frame fixedly connected to the output end of the driving motor, a sludge pipe fixedly connected to the bottom of the sedimentation tank body, a anti-impact frame fixedly connected to the top of the sludge pipe, and a drain pipe fixedly connected to the right side of the sedimentation tank body.The above device discharges sludge mixed with sewage, which greatly reduces the effect of sludge discharge.

[0004] However, there is no effective solution to the problems in the related art. UTILITY MODEL CONTENTS

[0005] To overcome the above technical problems existing in the prior art, the utility model provides a sludge backflow sedimentation tank.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] A sludge backflow sedimentation tank includes a sedimentation tank body and a seat body, the sedimentation tank body is fixedly connected to the top of the seat body, a water inlet is provided through the left side of the top of the sedimentation tank body, a drain pipe is connected through the lower right side of the sedimentation tank body, an isolation frame is fixedly provided through the right side of the top of the sedimentation tank body, and the seat body includes a supporting seat and a blowdown tank, the right side of the supporting seat is fixedly connected to the blowdown tank.

[0008] As preferred, the guide table is fixedly connected to the bottom side of the inner wall of the sedimentation tank body, and a sludge pipe is through-provided at the bottom right side of the inner wall of the sedimentation tank body.

[0009] As preferred, the isolation frame comprises a top plate and support rods, the support rods are symmetrically arranged at the bottom of the top plate, a telescopic cylinder is fixedly connected to the middle of the top side of the top plate, the fixed end of the telescopic cylinder penetrates through the bottom side of the top plate, and the movable end is fixedly connected with a movable plate.

[0010] As preferred, the movable plate penetrates through the inside of the sedimentation tank body, and is sleeved with a fixed plate outside, the fixed plate is fixedly connected to the bottom side of the inner wall of the sedimentation tank body and located between the guide table and the sludge pipe, a water inlet is through-provided above the outer wall of the movable plate, and the fixed plate is hollow, and a sewage outlet is through-provided at the bottom of the fixed plate.

[0011] As preferred, the sewage tank comprises a tank body, a servo motor and an inner cylinder, the inner cylinder is fixedly connected to the inside of the tank body and penetrates through the rear side of the tank body at the rear end, and the servo motor is fixedly connected to the front side of the tank body.

[0012] As preferred, a material receiving port is through-provided at the top of the inner cylinder, the output shaft of the servo motor extends into the inside of the inner cylinder and is fixedly connected with a spiral feeding rod, and the rear end of the spiral feeding rod extends out of the rear end of the inner cylinder.

[0013] The beneficial effects of the present application are that the settled sludge can be quickly discharged, the sludge can be concentratedly discharged, the sludge and sewage can be classifiedly collected, the sludge is prevented from being discharged together with a large amount of sewage in the process of sludge discharge, the effect of sludge discharge is greatly improved, the sludge can be continuously discharged from the inner cylinder, and the situation that the sludge is blocked in the process of discharge is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0015] Figure 1 It is a total structure schematic diagram of a sludge backflow sedimentation tank according to an embodiment of the present application;

[0016] Figure 2 It is an internal structure schematic diagram of a sedimentation tank body of a sludge backflow sedimentation tank according to an embodiment of the present application;

[0017] Figure 3It is a kind of isolation frame appearance structure schematic diagram of sludge backflow sedimentation tank according to the utility model embodiment;

[0018] Figure 4 It is a kind of sewage tank internal structure schematic diagram of sludge backflow sedimentation tank according to the utility model embodiment.

[0019] In the drawing,

[0020] 1, sedimentation tank body;2, seat body;3, water inlet;4, drain pipe;5, isolation frame;6, support seat;7, sewage tank;8, material guide table;9, sludge pipe;10, pneumatic butterfly valve;11, top plate;12, support rod;13, telescopic cylinder;14, movable plate;15, fixed plate;16, water inlet;17, sewage outlet;18, tank;19, servo motor;20, inner cylinder;21, material receiving port;22, spiral feeding rod. Specific embodiments

[0021] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, and the person skilled in the art should understand other possible embodiments and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0022] According to the embodiment of the utility model, a kind of sludge backflow sedimentation tank is provided.

[0023] Embodiment one

[0024] As Figures 1-4 As shown in the drawing, according to the utility model embodiment, a kind of sludge backflow sedimentation tank, including sedimentation tank body 1, seat body 2, sedimentation tank body 1 is fixedly connected on seat body 2 top, sedimentation tank body 1 top left side is equipped with water inlet 3, and the drain pipe 4 is connected with the right lower side of sedimentation tank body 1, and the isolation frame 5 is fixed on the right side of the top of sedimentation tank body 1, and the seat body 2 includes support seat 6 and sewage tank 7, and the support seat 6 right side is fixedly connected with sewage tank 7, and the material guide table 8 is fixedly connected on the inner wall bottom side of sedimentation tank body 1, and the sludge pipe 9 is equipped with on the right side of the inner wall bottom of sedimentation tank body 1, and the pneumatic butterfly valve 10 is fixed in the sludge pipe 9;

[0025] In the embodiment, by setting material guide table 8, sludge at the bottom of sedimentation tank can be discharged to sludge pipe 9 through material guide table 8, by starting pneumatic butterfly valve 10, sludge can be entered into the inside of sewage tank 7 through sludge pipe 9, and the deposited sludge can be quickly discharged.

[0026] Embodiment two

[0027] AsFigures 1-4 As shown, a sludge return sedimentation tank according to an embodiment of the present invention includes a sedimentation tank body 1 and a base 2. The sedimentation tank body 1 is fixedly connected to the top of the base 2. An inlet 3 is provided through the top left side of the sedimentation tank body 1, and a drain pipe 4 is provided through the bottom right side of the sedimentation tank body 1. An isolation frame 5 is fixedly provided through the top right side of the sedimentation tank body 1. The base 2 includes a support seat 6 and a sludge discharge box 7. The right side of the support seat 6 is fixedly connected to the sludge discharge box 7. The isolation frame 5 includes a top plate 11 and support rods 12. The support rods 12 are symmetrically arranged on the top plate 11. At the bottom, a telescopic cylinder 13 is fixedly connected to the middle of the top side of the top plate 11. The fixed end of the telescopic cylinder 13 passes through the bottom side of the top plate 11, and the movable end is fixedly connected to a movable plate 14. The movable plate 14 passes through the interior of the sedimentation tank body 1, and a fixed plate 15 is sleeved on the outside. The bottom side of the fixed plate 15 is fixedly connected to the bottom side of the inner wall of the sedimentation tank body 1, and is located between the material guide platform 8 and the sludge pipe 9. A water inlet 16 is provided through the upper part of the outer wall of the movable plate 14. The fixed plate 15 is specifically a hollow structure, and a sewage outlet 17 is excavated through the bottom of the fixed plate 15.

[0028] In this embodiment, a water inlet 16 is provided on the movable plate 14, which allows the sludge above the sewage stored on the left side of the fixed plate 15 to flow into the right side of the fixed plate 15. This allows the right side of the fixed plate 15 to store sewage without sludge. The sewage without sludge is then collected through the drain pipe 4. The telescopic cylinder 13 is activated, causing the movable end of the telescopic cylinder 13 to move the movable plate 14 above the wall cavity of the fixed plate 15, lifting the movable plate 14 upward from the drain outlet 17. When all the sewage is recovered and only sludge remains, the drain outlet 17 is opened to discharge the sludge in a concentrated manner. This allows for targeted classification and collection of sludge and sewage, avoiding the discharge of sludge along with a large amount of sewage during the sludge discharge process, and greatly improving the efficiency of sludge discharge.

[0029] Example 3

[0030] like Figures 1-4 As shown, a sludge return sedimentation tank according to an embodiment of the present utility model includes a sedimentation tank body 1 and a base 2. The sedimentation tank body 1 is fixedly connected to the top of the base 2. An inlet 3 is provided through the top left side of the sedimentation tank body 1. A drain pipe 4 is provided through the bottom right side of the sedimentation tank body 1. An isolation frame 5 is fixedly provided through the top right side of the sedimentation tank body 1. The base 2 includes a support seat 6 and a sludge discharge box 7. The right side of the support seat 6 is fixedly connected to the sludge discharge box 7. The sludge discharge box 7 includes a box body 18, a servo motor 19, and an inner cylinder 20. The inner cylinder 20 is fixedly connected to the inside of the box body 18, and its rear end passes through the rear side of the box body 18. The servo motor 19 is fixedly connected to the front side of the box body 18. A receiving port 21 is provided through the top of the inner cylinder 20. The output shaft of the servo motor 19 extends into the inside of the inner cylinder 20 and is fixedly connected to a spiral feeding rod 22. The rear end of the spiral feeding rod 22 extends out of the rear end of the inner cylinder 20.

[0031] In this embodiment, the sludge enters the inside of the inner cylinder 20 through the sludge pipe 9 and the receiving port 21, the servo motor 19 is started, the output shaft of the servo motor 19 drives the spiral feeding rod 22 to rotate, and the sludge can be continuously discharged from the inner cylinder 20, effectively avoiding the blockage of the sludge during the discharging process.

[0032] In summary, by means of the above technical scheme of the utility model, when the device is used, the water inlet 16 is arranged on the movable plate 14, the sludge on the left side of the fixed plate 15 is not mixed with the sewage on the right side of the fixed plate 15, the sewage on the right side of the fixed plate 15 can store the sludge, then the sewage with the sludge is collected through the drain pipe 4, the telescopic air cylinder 13 is started, the movable end of the telescopic air cylinder 13 drives the movable plate 14 to move upwards in the wall cavity of the fixed plate 15, the movable plate 14 is lifted upwards from the sewage outlet 17, in the case that the sewage is completely collected and only the sludge is left, the sewage outlet 17 is opened, the sludge can be discharged, the guide table 8 is arranged, the sludge at the bottom of the sedimentation tank can be discharged to the sludge pipe 9 through the guide table 8, the pneumatic butterfly valve 10 is started, the sludge can enter the sewage discharge box 7 through the sludge pipe 9, the sludge enters the inside of the inner cylinder 20 through the sludge pipe 9 and the receiving port 21, the servo motor 19 is started, the output shaft of the servo motor 19 drives the spiral feeding rod 22 to rotate, and the sludge can be continuously discharged from the inner cylinder 20.

[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sludge return sedimentation tank, comprising a sedimentation tank body (1) and a base (2), characterized in that, The sedimentation tank body (1) is fixedly connected to the top of the base (2). The sedimentation tank body (1) has an inlet (3) through the top left side. The sedimentation tank body (1) has a drain pipe (4) through the lower right side. The sedimentation tank body (1) has an isolation frame (5) through the top right side. The base (2) includes a support base (6) and a sewage box (7). The support base (6) is fixedly connected to the sewage box (7) on the right side.

2. The sludge return sedimentation tank according to claim 1, characterized in that, A guide platform (8) is fixedly connected to the bottom side of the inner wall of the sedimentation tank body (1), and a sludge pipe (9) is provided through the bottom right side of the inner wall of the sedimentation tank body (1). A pneumatic butterfly valve (10) is fixedly connected inside the sludge pipe (9).

3. A sludge return sedimentation tank according to claim 2, characterized in that, The isolation frame (5) includes a top plate (11) and a support rod (12). The support rod (12) is symmetrically arranged at the bottom of the top plate (11). A telescopic cylinder (13) is fixedly connected to the middle of the top side of the top plate (11). The fixed end of the telescopic cylinder (13) penetrates the bottom side of the top plate (11), and the movable end is fixedly connected to a movable plate (14).

4. A sludge return sedimentation tank according to claim 3, characterized in that, The movable plate (14) penetrates the interior of the sedimentation tank body (1) and is fitted with a fixed plate (15) on the outside. The bottom side of the fixed plate (15) is fixedly connected to the bottom side of the inner wall of the sedimentation tank body (1) and is located between the material guide platform (8) and the sludge pipe (9). A water inlet (16) is provided through the upper part of the outer wall of the movable plate (14). The fixed plate (15) is specifically a hollow structure, and a sewage outlet (17) is excavated through the bottom of the fixed plate (15).

5. A sludge return sedimentation tank according to claim 4, characterized in that, The sewage box (7) includes a box body (18), a servo motor (19), and an inner cylinder (20). The inner cylinder (20) is fixedly connected to the inside of the box body (18) and its rear end penetrates through the rear side of the box body (18). The servo motor (19) is fixedly connected to the front side of the box body (18).

6. A sludge return sedimentation tank according to claim 5, characterized in that, The top of the inner cylinder (20) is provided with a material receiving port (21). The output shaft of the servo motor (19) extends into the inner cylinder (20) and is fixedly connected to a spiral feeding rod (22). The rear end of the spiral feeding rod (22) extends out of the rear end of the inner cylinder (20).

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