Sewage treatment equipment for municipal water supply and drainage

Abstract

The utility model belongs to the technical field of municipal sewage treatment, and particularly relates to municipal water supply and drainage sewage treatment equipment which comprises a sedimentation tank, a sludge storage tank is arranged on one side of the sedimentation tank, a sewage collecting hopper is arranged in the middle of the inner side of the sedimentation tank, and a connecting cylinder is communicated with one end of the sewage collecting hopper of the sedimentation tank. The sedimentation tank is communicated with a sewage pumping cylinder through a connecting cylinder, a first motor is arranged at the upper end of the sewage pumping cylinder, the output end of the first motor penetrates through the inner side of the sewage pumping cylinder and is provided with a spiral conveying rod, a sewage outlet is formed in the upper side of the side, close to the sedimentation tank, of the sewage pumping cylinder, and a mud guide net row is arranged on the lower side of the sewage outlet. When sewage is aerated, sediments can be accumulated, collected and discharged into the sludge storage tank, so that a large amount of sediments are prevented from being accumulated in the sewage in the sedimentation tank, the aeration effect in the sedimentation tank is prevented from being reduced, a discharging pipeline of a lifting pump is prevented from being blocked, and the interior of the sedimentation tank can be continuously dredged; the continuous and efficient treatment effect of the sedimentation tank can be conveniently maintained.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal sewage treatment, and particularly relates to a sewage treatment device for municipal water supply and drainage. Background Art

[0002] When recycling and treating sewage in municipal water supply and drainage, generally the filtered sewage is discharged into a sedimentation tank for adjusting the pH value, flow rate, sedimentation, etc. At present, large particle sediments and sediment in the sedimentation tank generally accumulate at the bottom of the sedimentation tank. As the sediments and sediment gradually increase, it will affect the aeration effect of the aeration pipeline in the sedimentation tank, and it will easily cause congestion in the discharge pipeline of the lift pump. It is necessary to timely treat the sediments at the bottom of the sedimentation tank. At present, for the sediments and sediment in the sedimentation tank, during the continuous aeration process of the sedimentation tank, the sediments and sediment are not easy to sink to the bottom, and generally it is not conducive to directly pumping and discharging from the bottom of the sedimentation tank by a sewage pump. Generally, the sedimentation tank will be dredged regularly. This method is rather troublesome and is not conducive to the sedimentation tank maintaining a continuous and efficient treatment effect. Content of the Utility Model

[0003] Aiming at the above problems, the purpose of the utility model is to provide a sewage treatment device for municipal water supply and drainage, which solves the problems that large particle sediments and sediment in the current sedimentation tank generally accumulate at the bottom of the sedimentation tank. As the sediments and sediment gradually increase, it will affect the aeration effect of the aeration pipeline in the sedimentation tank, and it will easily cause congestion in the discharge pipeline of the lift pump. It is necessary to timely treat the sediments at the bottom of the sedimentation tank. At present, for the sediments and sediment in the sedimentation tank, during the continuous aeration process of the sedimentation tank, the sediments and sediment are not easy to sink to the bottom, and generally it is not conducive to directly pumping and discharging from the bottom of the sedimentation tank by a sewage pump. Generally, the sedimentation tank will be dredged regularly. This method is rather troublesome and is not conducive to the sedimentation tank maintaining a continuous and efficient treatment effect.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a sewage treatment device for municipal water supply and drainage, including a sedimentation tank, a sludge storage tank is arranged on one side of the sedimentation tank, a sewage collection hopper is arranged in the middle of the inner side of the sedimentation tank, a connecting cylinder is connected and arranged at one end of the sedimentation tank corresponding to the sewage collection hopper, the sedimentation tank is connected and provided with a sewage pumping cylinder through the connecting cylinder, a motor I is arranged at the upper end of the sewage pumping cylinder, the output end of the motor I penetrates into the inner side of the sewage pumping cylinder and is provided with a spiral conveyor, a sewage outlet is arranged on the upper side of the sewage pumping cylinder close to the sedimentation tank, a sludge guiding screen row is arranged below the sewage outlet, the sludge guiding screen row is arranged in an L shape and inclines downward towards the sludge storage tank, main pipelines are symmetrically arranged on both sides of the sewage pumping cylinder on the side surface of the sedimentation tank, a ventilation pipe is connected and arranged at one end of the main pipeline, branch pipelines are arranged side by side on the side of the main pipeline close to the sedimentation tank, the branch pipelines penetrate into the inner side of the sedimentation tank, aeration pipes are equally spaced on the upper side of the branch pipelines, and the aeration pipes are arranged on both sides of the sewage collection hopper.

[0005] The beneficial effects of the present utility model are as follows: While aerating the sewage, the sediment can be accumulated and collected and discharged to the sludge storage tank, avoiding the accumulation of a large amount of sediment in the sewage in the sedimentation tank, resulting in a decrease in the aeration effect in the sedimentation tank, and avoiding congestion in the discharge pipeline of the lift pump. Moreover, the sedimentation tank can be continuously dredged, facilitating the maintenance of the continuous and efficient treatment effect of the sedimentation tank.

[0006] To facilitate the natural collection of sediment towards the connecting cylinder;

[0007] As a further improvement of the above technical solution: The sewage collection hopper is inclined downward towards the side of the connecting cylinder.

[0008] The beneficial effect of this improvement is that the sewage collection hopper is inclined downward towards the side of the connecting cylinder, which is convenient for the natural collection of sediment towards the connecting cylinder.

[0009] To further promote the collection of sediment towards the connecting cylinder;

[0010] As a further improvement of the above technical solution: A second motor is provided on the side of the sedimentation tank away from the connecting cylinder, and the output end of the second motor penetrates into the inner side of the sedimentation tank and is provided with a pusher, and the pusher is arranged inside the sewage collection hopper.

[0011] The beneficial effect of this improvement is that the pusher is driven to rotate by the second motor, and the pusher continuously pushes the sediment, which is convenient for further promoting the collection of sediment towards the connecting cylinder.

[0012] To facilitate the observation of the upward transportation of sediment;

[0013] As a further improvement of the above technical solution: An observation window is provided on the side of the sludge extraction cylinder.

[0014] The beneficial effect of this improvement is that the observation window is provided to facilitate the observation of the upward transportation of sediment.

[0015] To increase the activity of sediment in the sludge extraction cylinder;

[0016] As a further improvement of the above technical solution: An air pump is provided at the lower side of the sludge extraction cylinder, an aeration disc is provided at the inner bottom of the sludge extraction cylinder, the output end of the aeration disc faces upward, and the output end of the air pump penetrates the sludge extraction cylinder and is communicated with the aeration disc.

[0017] The beneficial effect of this improvement is that the air pump aerates the bottom of the sludge extraction cylinder through the aeration disc, which is convenient for increasing the activity of sediment in the sludge extraction cylinder, avoiding the agglomeration and congestion of sediment, facilitating the dispersion of sediment, and the dispersed sediment is more likely to flow on the mud guiding net row.

[0018] To repeatedly spread out the sediment in the sludge storage tank;

[0019] As a further improvement of the above technical solution: on the side of the sludge storage tank far from the sedimentation tank, electric telescopic rods are symmetrically arranged, and the output ends of the electric telescopic rods penetrate into the inner side of the sludge storage tank and are provided with sludge scraping frames.

[0020] The beneficial effect of this improvement is that when the electric telescopic rods are started, the output ends of the electric telescopic rods drive the sludge scraping frames to move repeatedly, which is convenient for repeatedly spreading out the sediment in the sludge storage tank and avoiding the accumulation of sediment in one place in the sludge storage tank.

[0021] Parts not involved in this device are the same as or can be implemented using existing technologies. Description of the Drawings

[0022] Figure 1 is a schematic structural view of the present utility model Figure 1 ;

[0023] Figure 2 is a schematic structural view of the present utility model Figure 2 ;

[0024] Figure 3 is a top view of the structure of the present utility model;

[0025] Figure 4 is a schematic structural view of the sewage collection hopper in the present utility model;

[0026] Figure 5 is a cross-sectional view of the inner structure of the sewage pumping cylinder in the present utility model;

[0027] In the figure: 1, sedimentation tank; 2, sewage collection hopper; 3, connecting cylinder; 4, sewage pumping cylinder; 5, motor 1; 6, spiral conveyor; 7, sewage outlet; 8, mud guiding screen row; 9, main pipeline; 10, branch pipeline; 11, aeration pipe; 12, sludge storage tank; 13, electric telescopic rod; 14, sludge scraping frame; 15, motor 2; 16, agitator; 17, observation window; 18, air pump; 19, aeration disc. Detailed Implementation Modes

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present invention.

[0029] As Figure 1 — Figure 5As shown: A sewage treatment device for municipal water supply and drainage, including a sedimentation tank 1. A sludge storage tank 12 is arranged on one side of the sedimentation tank 1. A sewage collection hopper 2 is arranged in the middle of the inner side of the sedimentation tank 1. A connecting cylinder 3 is communicated with one end of the sewage collection hopper 2 in the sedimentation tank 1. The sedimentation tank 1 is communicated with a sewage extraction cylinder 4 through the connecting cylinder 3. A motor 5 is arranged at the upper end of the sewage extraction cylinder 4. The output end of the motor 5 penetrates into the inner side of the sewage extraction cylinder 4 and is provided with a screw conveyor 6. An outlet 7 is arranged on the upper side of the sewage extraction cylinder 4 close to the sedimentation tank 1. A guide mud screen row 8 is arranged below the outlet 7. The guide mud screen row 8 is arranged in an L shape and inclined downward towards the sludge storage tank 12. Main pipelines 9 are symmetrically arranged on both sides of the sewage extraction cylinder 4 on the side surface of the sedimentation tank 1. One end of the main pipeline 9 is communicated with a ventilation pipe. Branch pipelines 10 are arranged in parallel on the side of the main pipeline 9 close to the sedimentation tank 1. The branch pipelines 10 penetrate into the inner side of the sedimentation tank 1. Aeration pipes 11 are equally spaced on the upper side of the branch pipelines 10. The aeration pipes 11 are arranged on both sides of the sewage collection hopper 2, which can accumulate and collect sediments while aerating the sewage and discharge them into the sludge storage tank 12, avoiding the accumulation of a large amount of sediments in the sewage in the sedimentation tank 1, resulting in a decline in the aeration effect in the sedimentation tank 1, avoiding congestion in the external discharge pipeline of the lift pump, and can continuously dredge the sedimentation tank 1, facilitating the maintenance of the continuous and efficient treatment effect of the sedimentation tank 1. The sewage collection hopper 2 is inclined downward towards the connecting cylinder 3, which is convenient for the natural collection of sediments towards the connecting cylinder 3. A motor 15 is arranged on the side of the sedimentation tank 1 far from the connecting cylinder 3. The output end of the motor 15 penetrates into the inner side of the sedimentation tank 1 and is provided with a pusher 16. The pusher 16 is arranged inside the sewage collection hopper 2. By driving the pusher 16 to rotate by the motor 15, the pusher 16 continuously pushes the sediments, facilitating the further promotion of the collection of sediments towards the connecting cylinder 3. An observation window 17 is arranged on the side surface of the sewage extraction cylinder 4. The observation window 17 is arranged to facilitate the observation of the upward transportation of sediments. An air pump 18 is arranged on the lower side of the sewage extraction cylinder 4. An aeration disc 19 is arranged at the bottom of the inner side of the sewage extraction cylinder 4. The output end of the aeration disc 19 faces upward. The output end of the air pump 18 penetrates through the sewage extraction cylinder 4 and is communicated with the aeration disc 19. The air pump 18 aerates the bottom of the sewage extraction cylinder 4 through the aeration disc 19, which is convenient for increasing the mobility of sediments in the sewage extraction cylinder 4, avoiding the agglomeration and congestion of sediments, facilitating the dispersion of sediments, and the dispersed sediments are more likely to flow on the guide mud screen row 8. Electric telescopic rods 13 are symmetrically arranged on the side of the sludge storage tank 12 far from the sedimentation tank 1. The output ends of the electric telescopic rods 13 penetrate into the inner side of the sludge storage tank 12 and are provided with mud scraping frames 14. Starting the electric telescopic rods 13, the output ends of the electric telescopic rods 13 drive the mud scraping frames 14 to move repeatedly, which is convenient for repeatedly spreading out the sediments in the sludge storage tank 12 and avoiding the accumulation of sediments in one place in the sludge storage tank 12.

[0030] Working principle and usage process of the utility model:

[0031] During use, the main pipeline 9 is connected to an aeration pump etc. through an air vent pipe. The main pipeline 9 sends air to the aeration pipe 11 through the branch pipeline 10. The aeration pipe 11 aerates the sewage in the sedimentation tank 1. During aeration, the sewage mixed sediment near the aeration pipe 11 will surge repeatedly. The surging sewage will approach the upper side of the sewage collection hopper 2 under the pushing and exchange action of the relative water flow. There is no aeration pushing action on the upper side of the sewage collection hopper 2, and the sediment will sink to the inner side of the sewage collection hopper 2 and gradually accumulate. Start the first motor 5, and the output end of the first motor 5 drives the spiral conveyor rod 6 to rotate. The sediment in the sewage collection hopper 2 will enter the inner side of the sewage pumping cylinder 4 through the connecting cylinder 3, be conveyed to the upper side of the sewage pumping cylinder 4 through the spiral conveyor rod 6, and then be discharged through the sewage outlet 7. A large amount of sediment mixed with sewage flows from the sewage outlet 7 to the mud guiding net row 8. The sewage will seep down through the mud guiding net row 8 and flow back into the sedimentation tank 1. The wet sediment will flow down along the mud guiding net row 8 to the sludge storage tank 12 under the action of gravity. The larger the downward inclination angle of the mud guiding net row 8, the faster the sediment will flow down. It is possible to accumulate and collect the sediment while aerating the sewage and discharge it to the sludge storage tank 12, avoiding the accumulation of a large amount of sediment in the sewage in the sedimentation tank 1, resulting in a decrease in the aeration effect in the sedimentation tank 1, avoiding congestion of the external discharge pipeline of the lift pump, and being able to continuously dredge the sedimentation tank 1, facilitating the maintenance of the continuous and efficient treatment effect of the sedimentation tank 1. In addition, during use, the sewage collection hopper 2 is inclined downward towards the side of the connecting cylinder 3, facilitating the natural collection of the sediment towards the connecting cylinder 3. In addition, the second motor 15 drives the impeller 16 to rotate, and the impeller 16 continuously pushes the sediment, facilitating the further promotion of the sediment towards the connecting cylinder 3. In addition, an observation window 17 is provided to facilitate observing the upward transportation of the sediment. In addition, an air pump 18 is provided. The air pump 18 aerates the bottom of the sewage pumping cylinder 4 through the aeration disc 19, facilitating the increase of the activity of the sediment in the sewage pumping cylinder 4, avoiding the agglomeration and congestion of the sediment, facilitating the dispersion of the sediment, and the dispersed sediment is more likely to flow on the mud guiding net row 8. In addition, during use, start the electric telescopic rod 13, and the output end of the electric telescopic rod 13 drives the mud scraping frame 14 to move repeatedly, facilitating the repeated spreading of the sediment in the sludge storage tank 12 and avoiding the accumulation of the sediment in one place in the sludge storage tank 12.

[0032] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] In this article, specific examples are used to elaborate on the principles and implementation modes of the present invention. The description of the above examples is only used to help understand the method and its core idea of the present invention. The above is only the preferred implementation mode of the present invention. It should be noted that due to the limited nature of literal expression, objectively there are infinite specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the invention to other occasions without improvement, should all be regarded as the protection scope of the present invention.

Claims

1. A sewage treatment equipment for municipal water supply and drainage, characterized in that: The invention comprises a sedimentation tank (1), a sludge storage tank (12) is arranged on one side of the sedimentation tank (1), a dirt collecting hopper (2) is arranged in the middle of the inner side of the sedimentation tank (1), a connecting tube (3) is arranged at one end of the sedimentation tank (1) in communication with the dirt collecting hopper (2), the sedimentation tank (1) is connected to a dirt pumping cylinder (4) through the connecting tube (3), a motor (5) is arranged at the upper end of the dirt pumping cylinder (4), the output end of the motor (5) penetrates through the inner side of the dirt pumping cylinder (4) and a spiral conveying rod (6) is arranged, a dirt outlet (7) is arranged on the upper side of the dirt pumping cylinder (4) close to the sedimentation tank (1), and the dirt pumping cylinder (4) is provided with a dirt outlet (7). A mud guide net row (8) is arranged at the lower side of the sewage outlet (7), and the mud guide net row (8) is arranged in an L shape and inclined downward toward the mud storage tank (12). Main pipes (9) are symmetrically arranged on the sides of the sedimentation tank (1) on both sides of the sewage suction cylinder (4), and a ventilation pipe is arranged at one end of the main pipe (9). Branch pipes (10) are arranged in parallel on the side of the main pipe (9) close to the sedimentation tank (1), and the branch pipes (10) penetrate into the inner side of the sedimentation tank (1). Aeration pipes (11) are equidistantly arranged on the upper side of the branch pipes (10), and the aeration pipes (11) are arranged on both sides of the sewage collecting hopper (2).

2. A sewage treatment equipment for municipal water supply and drainage according to claim 1, characterized in that: The dirt collecting hopper (2) is arranged to be inclined downward toward one side of the connecting cylinder (3).

3. The sewage treatment equipment for municipal water supply and drainage according to claim 1, characterized in that: A second motor (15) is arranged on a side of the sedimentation tank (1) away from the connecting tube (3); an output end of the second motor (15) penetrates the sedimentation tank (1) and a flow pusher (16) is arranged on the inner side of the sewage collecting hopper (2).

4. The sewage treatment equipment for municipal water supply and drainage according to claim 1, characterized in that: An observation window (17) is provided on the side of the sewage extraction cylinder (4).

5. The sewage treatment equipment for municipal water supply and drainage according to claim 1 is characterized by: An air pump (18) is arranged at the lower side of the sewage suction cylinder (4), an aeration plate (19) is arranged at the inner bottom of the sewage suction cylinder (4), the output end of the aeration plate (19) faces upward, and the output end of the air pump (18) passes through the sewage suction cylinder (4) and is connected to the aeration plate (19).

6. The sewage treatment equipment for municipal water supply and drainage according to claim 1, characterized in that: An electric telescopic rod (13) is symmetrically arranged on one side of the mud storage tank (12) away from the sedimentation tank (1), and an output end of the electric telescopic rod (13) penetrates into the inner side of the mud storage tank (12) and is provided with a mud stirring rack (14).

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