Sludge discharge device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sludge discharge device for sewage treatment, which comprises a sedimentation tank, a drain pipe is arranged on the side surface of the sedimentation tank, first screws are arranged on two sides of the sedimentation tank, and moving plates are arranged on the first screws. Sludge is settled at the bottom of the settling pond, sewage is discharged through a drainage pipe, when the sludge needs to be discharged, a first screw rotates to drive a moving plate, the moving plate drives a mounting frame, the mounting frame drives a scraper to descend into the settling pond, then a second screw rotates to drive the scraper, and the sludge is pushed into a sludge discharge groove through the scraper. At the moment, a screw rod in the sludge discharge groove is driven by a second motor to rotate, so that sludge in the sludge discharge groove can be rapidly discharged through a sludge discharge pipe, blockage during sludge discharge is avoided, residues are not likely to appear at the bottom of the sedimentation tank through a scraper, the sludge discharge efficiency is improved, manual repeated cleaning is not needed, and the practicability is higher.

Description

Technical Field

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

[0002] Sewage treatment: The process of purifying sewage to meet the water quality requirements for discharging into a certain water body or for reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and is also increasingly entering the daily lives of ordinary people.

[0003] The existing sewage treatment devices still have many disadvantages. When discharging sludge, basically a single pipeline is used for sludge discharge, and the sludge is likely to block the pipeline. Moreover, sludge is also likely to remain at the bottom of the device, and manual cleaning is required, resulting in poor practicability. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a sludge discharging device for sewage treatment with strong practicability.

[0005] A sludge discharging device for sewage treatment of the utility model comprises a sedimentation tank. A drain pipe is arranged on the side of the sedimentation tank. First screws are arranged on both sides of the sedimentation tank. A moving plate is arranged on the first screws, and the moving plate is in threaded connection with the first screws. An installation frame is arranged at the top end of the moving plate. A second screw is arranged at the top end of the installation frame. A first motor is arranged at one end of the second screw. A moving block is arranged on the second screw, and the moving block is in threaded connection with the second screw. A scraping plate is arranged at the bottom of the installation frame. The moving block is connected with the scraping plate. A sludge discharge groove is arranged at one side of the inner top end of the sedimentation tank. A spiral rod is arranged inside the sludge discharge groove. A second motor is arranged on one side of the sedimentation tank, and the output end of the second motor is connected with the spiral rod. A sludge discharge pipe is arranged on the other side of the sedimentation tank, and the sludge discharge pipe communicates with the sludge discharge groove. A worm gear is arranged at the bottom end of the first screw. A worm is arranged at one side of the bottom end of the sedimentation tank, and the worm is in meshing connection with the worm gear. A double-shaft motor is arranged at the middle of the worm.

[0006] In the sludge discharging device for sewage treatment of the utility model, sliding holes are arranged inside both sides of the moving plate. A limiting rod is arranged on the side of the sedimentation tank, and the limiting rod is located on both sides of the first screw. The sliding holes are slidably arranged on the limiting rod.

[0007] In the sludge discharging device for sewage treatment of the utility model, sliding blocks are arranged at both sides of the top end of the scraping plate. Inside both sides of the bottom end of the installation frame, sliding grooves are arranged. One end of the sliding block is slidably arranged inside the sliding groove, and the sliding block is fixedly connected with the scraping plate.

[0008] A sludge discharge device for sewage treatment of the present utility model, wherein the first motor, the second motor and the dual-axis motor all adopt stepping motors.

[0009] A sludge discharge device for sewage treatment of the present utility model, wherein brackets are arranged on both sides of the bottom end of the sedimentation tank, and the brackets are welded to the sedimentation tank.

[0010] A sludge discharge device for sewage treatment of the present utility model, wherein the scraper is made of stainless steel.

[0011] A sludge discharge device for sewage treatment of the present utility model, wherein corrosion-resistant layers are arranged on both the sedimentation tank and the mounting frame, and the corrosion-resistant layers are made of anti-corrosion resin.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: When the sewage is completely sedimented in the sedimentation tank, the sludge is deposited at the bottom of the sedimentation tank, while the sewage is discharged through the drain pipe. When it is necessary to discharge the sludge, the first screw rotates to drive the moving plate, the moving plate drives the mounting frame, and the mounting frame drives the scraper to descend into the sedimentation tank. Then the second screw rotates to drive the scraper, and the sludge is pushed into the sludge discharge groove by the scraper. At this time, the spiral rod in the sludge discharge groove rotates driven by the second motor, so that the sludge in the sludge discharge groove can be quickly discharged through the sludge discharge pipe, avoiding blockage during sludge discharge. Moreover, due to the scraper, it is not easy to have residues at the bottom of the sedimentation tank, improving the sludge discharge efficiency and eliminating the need for manual cleaning repeatedly, thus having stronger practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is the present utility model Figure 1 side view structural schematic diagram;

[0015] Figure 3 is the present utility model Figure 2 bottom view structural schematic diagram;

[0016] Figure 4 is the present utility model Figure 3 side view structural schematic diagram;

[0017] 1, sedimentation tank; 2, first screw; 3, moving plate; 4, limiting rod; 5, mounting frame; 6, second screw; 7, first motor; 8, second motor; 9, worm gear; 10, bracket; 11, moving block; 12, scraper; 13, sludge discharge pipe; 14, sludge discharge groove; 15, spiral rod; 16, worm; 17, dual-axis motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The specific embodiments of the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0019] As Figures 1 to 4 described, a sludge discharging device for sewage treatment of the present utility model includes a sedimentation tank 1. A drain pipe is arranged on the side of the sedimentation tank 1. First screws 2 are arranged on both sides of the sedimentation tank 1. A moving plate 3 is arranged on the first screws 2. The moving plate 3 is in threaded connection with the first screws 2. An installation frame 5 is arranged at the top end of the moving plate 3. A second screw 6 is arranged at the top end of the installation frame 5. A first motor 7 is arranged at one end of the second screw 6. A moving block 11 is arranged on the second screw 6. The moving block 11 is in threaded connection with the second screw 6. A scraping plate 12 is arranged at the bottom of the installation frame 5. The moving block 11 is connected to the scraping plate 12. A sludge discharge groove 14 is arranged on one side of the inner top end of the sedimentation tank 1. A spiral rod 15 is arranged inside the sludge discharge groove 14. A second motor 8 is arranged on one side of the sedimentation tank 1. The output end of the second motor 8 is connected to the spiral rod 15. A sludge discharge pipe 13 is arranged on the other side of the sedimentation tank 1. The sludge discharge pipe 13 communicates with the sludge discharge groove 14. A worm gear 9 is arranged at the bottom end of the first screw 2. A worm 16 is arranged on one side of the bottom end of the sedimentation tank 1. The worm 16 is in meshing connection with the worm gear 9. A double-shaft motor 17 is arranged in the middle of the worm 16; when the sewage is settled in the sedimentation tank 1, the sludge settles at the bottom of the sedimentation tank 1, and the sewage is discharged through the drain pipe. When the sludge needs to be discharged, the first screw 2 rotates to drive the moving plate 3. The moving plate 3 will drive the installation frame 5, and the installation frame 5 drives the scraping plate 12 to descend into the sedimentation tank 1. Then the second screw 6 rotates to drive the scraping plate 12, and the sludge is pushed into the sludge discharge groove 14 by the scraping plate 12. At this time, the spiral rod 15 in the sludge discharge groove 14 rotates driven by the second motor 8, so that the sludge in the sludge discharge groove 14 can be quickly discharged through the sludge discharge pipe 13, avoiding blockage during sludge discharge, and through the scraping plate 12, the bottom of the sedimentation tank 1 is not easy to have residues, improving the efficiency of sludge discharge, and eliminating the need for manual repeated cleaning, with stronger practicability.

[0020] In a sludge discharging device for sewage treatment of the present utility model, sliding holes are arranged inside both sides of the moving plate 3. A limiting rod 4 is arranged on the side of the sedimentation tank 1. The limiting rod 4 is located on both sides of the first screw 2. The sliding holes are slidably arranged on the limiting rod 4; the stability of the moving plate 3 during sliding is improved.

[0021] In a sludge discharging device for sewage treatment of the present utility model, sliders are arranged on both sides of the top end of the scraping plate 12. Inside both sides of the bottom end of the installation frame 5, sliding grooves are arranged. One end of the slider is slidably arranged inside the sliding groove. The slider is fixedly connected to the scraping plate 12; the stability of the scraping plate 12 during sliding is improved.

[0022] A sludge discharging device for sewage treatment of the present utility model, wherein brackets 10 are arranged on both sides of the bottom end of the sedimentation tank 1, and the brackets 10 are welded to the sedimentation tank 1; the stability of the sedimentation tank 1 during placement is improved.

[0023] A sludge discharging device for sewage treatment of the present utility model, wherein the scraper 12 is made of stainless steel; the durability of the scraper 12 is improved.

[0024] A sludge discharging device for sewage treatment of the present utility model, wherein corrosion-resistant layers are arranged on both the sedimentation tank 1 and the mounting frame 5, and the corrosion-resistant layers are made of anti-corrosion resin; the durability of the device itself is improved.

[0025] A sludge discharging device for sewage treatment of the present utility model, during operation, first, sewage is introduced into the sedimentation tank 1 for sedimentation, so that the sludge in the sewage precipitates at the bottom, and then the sewage is discharged through the drain pipe. When it is necessary to discharge the sludge at the bottom of the sedimentation tank 1, the second motor 8 is started. The second motor 8 drives the screw rod 15, and the rotation of the screw rod 15 will discharge the sludge in the sludge discharge groove 14 through the sludge discharge pipe 13. At this time, the double-shaft motor 17 is started. The double-shaft motor 17 drives the worm 16, and the worm 16 drives the worm gear 9. The worm gear 9 drives the first screw rod 2 to rotate, and the rotation of the first screw rod 2 drives the moving plate 3. The moving plate 3 drives the mounting frame 5 to descend, so that the scraper 12 descends into the sedimentation tank 1. Then the first motor 7 is started. The first motor 7 drives the second screw rod 6 to rotate. The rotation of the second screw rod 6 drives the moving block 11, and the moving block 11 drives the scraper 12, so that the scraper 12 is pushed in the sedimentation tank 1, and the sludge at the bottom of the sedimentation tank 1 is pushed into the sludge discharge groove 14. The sludge can be quickly discharged through the screw rod 15, improving the sludge discharge efficiency.

[0026] The installation method, connection method or setting method of a sludge discharging device for sewage treatment of the present utility model are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the first motor, the second motor and the double-shaft motor of a sludge discharging device for sewage treatment of the present utility model are purchased on the market, and technicians in this industry only need to install and operate according to the attached user manual.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A sludge discharge device for sewage treatment, characterized in that: The invention comprises a sedimentation tank (1), wherein a drainage pipe is arranged on the side of the sedimentation tank (1), and first screw rods (2) are arranged on both sides of the sedimentation tank (1), and a movable plate (3) is arranged on the first screw rod (2), and the movable plate (3) is threadedly connected to the first screw rod (2), and a mounting frame (5) is arranged on the top of the movable plate (3), and a second screw rod (6) is arranged on the top of the mounting frame (5), and a first motor (7) is arranged at one end of the second screw rod (6), and a movable block (11) is arranged on the second screw rod (6), and the movable block (11) is threadedly connected to the second screw rod (6), and a scraper (12) is arranged at the bottom of the mounting frame (5), and the movable block (11) is threadedly connected to the second screw rod (6). A scraper (12) is connected, a mud discharge groove (14) is arranged on one side of the top end of the sedimentation tank (1), a screw rod (15) is arranged inside the mud discharge groove (14), a second motor (8) is arranged on one side of the sedimentation tank (1), the output end of the second motor (8) is connected to the screw rod (15), a mud discharge pipe (13) is arranged on the other side of the sedimentation tank (1), the mud discharge pipe (13) is communicated with the mud discharge groove (14), a worm wheel (9) is arranged at the bottom end of the first screw rod (2), a worm (16) is arranged on one side of the bottom end of the sedimentation tank (1), the worm (16) is meshingly connected with the worm wheel (9), and a double-axis motor (17) is arranged in the middle of the worm (16).

2. A sludge discharge device for sewage treatment as claimed in claim 1, characterized in that: Sliding holes are arranged inside the two sides of the movable plate (3), and limiting rods (4) are arranged on the sides of the sedimentation tank (1). The limiting rods (4) are located on both sides of the first screw rod (2), and the sliding holes are slidably arranged on the limiting rods (4).

3. A sludge discharge device for sewage treatment as claimed in claim 2, characterized in that: Slide blocks are arranged on both sides of the top of the scraper (12), and slide grooves are arranged inside both sides of the bottom of the mounting frame (5). One end of the slide block is slidably arranged inside the slide groove, and the slide block is fixedly connected to the scraper (12).

4. A sludge discharge device for sewage treatment as claimed in claim 3, characterized in that: The first motor (7), the second motor (8) and the dual-axis motor (17) are all stepper motors.

5. A sludge discharge device for sewage treatment as claimed in claim 4, characterized in that: Brackets (10) are arranged on both sides of the bottom of the sedimentation tank (1), and the brackets (10) are connected to the sedimentation tank (1) by welding.

6. A sludge discharge device for sewage treatment as claimed in claim 5, characterized in that: The scraper (12) is made of stainless steel.

7. A sludge discharge device for sewage treatment as claimed in claim 6, characterized in that: The sedimentation tank (1) and the mounting frame (5) are both provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of an anti-corrosion resin material.

Images