Sludge discharge device for sewage treatment

Abstract

The utility model discloses a sludge discharge device for sewage treatment, which comprises a sludge discharge machine body, first positioning seats are arranged on the inner walls of two sides of the upper end of the sludge discharge machine body, an upper cover is mounted at the top end of the sludge discharge machine body, and first positioning pins are mounted at corners of the top end of the upper cover. The bottom ends of the first positioning pins penetrate through the upper cover and are in threaded connection with the top ends of the first positioning seats, a pretreatment box body is arranged at the center of the surface of the sludge discharging machine body, second positioning seats are arranged on the inner walls of the two sides of the upper end of the pretreatment box body, a box cover is installed at the top end of the pretreatment box body, and second positioning pins are installed at the corners of the top end of the box cover; the bottom end of the second positioning pin penetrates through the box cover and is in threaded connection with the top end of the second positioning seat, and a liquid injection opening is formed in the center of the surface of the pretreatment box body. According to the sludge discharging device, the convenience of cleaning and maintaining the sludge discharging device is improved, the phenomenon that the sludge discharging machine body is blocked by sewage is reduced, and the phenomenon that sludge is attached to the inner wall of the sludge discharging machine body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sludge discharge device for sewage treatment. BACKGROUND

[0002] In the sewage treatment process, the sludge discharge device is very important, the traditional sludge discharge mode can exist sludge discharge efficiency, cleaning dead angle etc.

[0003] Referring to the announcement No. CN215089474U, a sludge discharge device for sewage treatment, which comprises a drain pipe, a support fixedly connected to the top side wall of the drain pipe, a sleeve block fixedly connected to the side wall of the support, a bearing assembled in the inner cavity of the sleeve block, a rotating block assembled in the inner cavity of the bearing, a support rod fixedly connected to the right side wall of the rotating block, a paddle symmetrically fixedly connected to the outer side wall of the support rod, and the outer side wall of the paddle is in gap cooperation with the drain pipe. The sludge discharge device discharges sewage through the drain pipe. When the sludge accumulates, the support rod is rotated, the support rod is rotated in the inner cavity of the bearing by the rotating block, the paddle is rotated, the sludge on the inner wall of the drain pipe is scraped off by the paddle, the scraped sludge is discharged by the water flow, it is more convenient to discharge the sludge, and the use of the subsequent drain pipe is not affected. According to the above, although the device can be well applied, it is usually inconvenient to disassemble and process the sludge discharge device as a whole, and it is not easy to clean and maintain the sludge discharge device, which often troubles people. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sludge discharge device for sewage treatment to solve the problem that the device can be well applied, but it is usually inconvenient to disassemble and process the sludge discharge device as a whole, and it is not easy to clean and maintain the sludge discharge device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sludge discharge device for sewage treatment, comprising a sludge discharge body, with first positioning seats provided on both inner walls of the upper end of the sludge discharge body, a top cover installed on the top of the sludge discharge body, and first positioning pins installed at the corners of the top of the top of the top cover, the bottom ends of the first positioning pins penetrating the top cover and threadedly connected to the top of the first positioning seats, a pretreatment box provided at the center of the surface of the sludge discharge body, with second positioning seats provided on both inner walls of the upper end of the pretreatment box, a box cover installed on the top of the pretreatment box, and second positioning pins installed at the corners of the top of the box cover, the bottom ends of the second positioning pins penetrating the box cover and threadedly connected to the top of the second positioning seats, an injection port provided at the center of the surface of the pretreatment box, and a flow pipe provided on the outer wall of the pretreatment box away from the injection port, the end of the flow pipe away from the pretreatment box extending into the interior of the sludge discharge body.

[0006] Preferably, a partition is fixed on the left side of the bottom of the sludge discharge machine body, and a scraper is movably arranged inside the sludge discharge machine body on the right side of the partition. The scraper is arranged to scrape and clean the inner wall of the sludge discharge machine body.

[0007] Preferably, a multi-section electric telescopic rod is installed on the inner wall of the sludge discharge machine on the side of the partition away from the scraper. One end of the multi-section electric telescopic rod passes through the partition and is connected to the outer wall of the scraper. The multi-section electric telescopic rod is used to drive the scraper to move horizontally.

[0008] Preferably, a fine filter screen is installed inside the sludge discharge machine body on the side of the scraper away from the partition, a drain pipe is provided on the outer wall of the right end of the sludge discharge machine body, and a sewage outlet is provided at the bottom of the sludge discharge machine body on the side of the fine filter screen. The sewage outlet and the drain pipe are designed to discharge and treat sludge and water separately.

[0009] Preferably, a coarse filter screen is installed on one side of the pretreatment tank, and a third baffle is provided on the inner wall of the pretreatment tank on the side of the coarse filter screen. The coarse filter screen is used to perform preliminary pretreatment filtration of large particulate matter in the wastewater.

[0010] Preferably, a second baffle is provided at the bottom of the pretreatment tank on the side of the third baffle away from the coarse filter screen, and a first baffle is provided on the inner wall of the pretreatment tank on the side of the second baffle away from the third baffle screen. The arrangement of the first baffle and the second baffle reduces the direct impact of sewage on the coarse filter screen during the sewage transportation process.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the sludge discharge device for sewage treatment not only improves the convenience of cleaning and maintenance of the sludge discharge device, but also reduces the phenomenon of sewage clogging the sludge discharge machine body, and reduces the phenomenon of sludge adhering to the inner wall of the sludge discharge machine body.

[0012] (1) By twisting the first positioning pin, the lower end of the first positioning pin is twisted out to the outside of the first positioning seat, and the top cover can be pulled up to remove it from the top of the sludge discharge machine body. Then, by twisting the second positioning pin, the lower end of the second positioning pin is twisted out to the outside of the second positioning seat, and the box cover can be pulled up to remove it from the top of the pretreatment box body. This achieves the purpose of easy disassembly of the sludge discharge device, thereby improving the convenience of cleaning and maintenance of the sludge discharge device.

[0013] (2) By setting a pretreatment box on the surface of the sludge discharge machine, when sewage is injected through the injection port, the sewage flows into the interior of the pretreatment box. The sewage can be blocked by the first baffle, the second baffle and the third baffle in sequence to reduce the direct impact of sewage on the coarse filter screen. Then the coarse filter screen filters out large particles in the sewage, so that the pre-treated sewage flows into the sludge discharge machine through the flow pipe, thereby reducing the phenomenon of sewage clogging the sludge discharge machine.

[0014] (3) By stopping the transport of sewage, the multi-section electric telescopic rod is then started, which drives the scraper to move to the right. Since the outer wall and bottom of the scraper are respectively attached to the inner wall and bottom of the sludge discharge machine, the scraper can scrape and clean the inner wall of the sludge discharge machine and scrape and squeeze the cleaned sludge to the top of the sewage outlet. Simply open the sewage outlet to discharge the cleaned sludge, thereby reducing the phenomenon of sludge adhering to the inner wall of the sludge discharge machine. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a front view cross-sectional structural diagram of the sludge removal machine body of this utility model;

[0017] Figure 3 This is a top view of the pretreatment box structure of this utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0019] In the diagram: 1. Sludge removal machine body; 2. Top cover; 3. First positioning pin; 4. Pretreatment box; 5. Box cover; 6. Second positioning pin; 7. Liquid injection port; 8. Baffle; 9. First positioning seat; 10. Multi-section electric telescopic rod; 11. Scraper; 12. Sewage outlet; 13. Fine filter screen; 14. Drainage pipe; 15. Second positioning seat; 16. First baffle; 17. Second baffle; 18. Third baffle; 19. Coarse filter screen; 20. Flow pipe. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figures 1-4 An embodiment of this utility model is provided: a sludge discharge device for sewage treatment, including a sludge discharge body 1, a partition 8 fixed on the left side of the bottom of the sludge discharge body 1, and a scraper 11 movably arranged inside the sludge discharge body 1 on the right side of the partition 8.

[0022] During use, the scraper 11 is designed to scrape and clean the inner wall of the sludge discharge machine body 1.

[0023] A multi-section electric telescopic rod 10 is installed on the inner wall of the sludge discharge machine body 1 on the side of the partition plate 8 away from the scraper 11. One end of the multi-section electric telescopic rod 10 passes through the partition plate 8 and is connected to the outer wall of the scraper 11.

[0024] In use, the multi-section electric telescopic rod 10 is used to drive the scraper 11 to move horizontally.

[0025] A fine filter screen 13 is installed inside the sludge discharge machine body 1 on the side of the scraper 11 away from the partition 8. A drain pipe 14 is provided on the outer wall of the right end of the sludge discharge machine body 1. A sewage outlet 12 is provided at the bottom of the sludge discharge machine body 1 on the side of the fine filter screen 13.

[0026] In use, the sewage outlet 12 and the liquid drain pipe 14 are set up to discharge and treat sludge and water separately.

[0027] The upper part of the sludge discharge machine body 1 is provided with a first positioning seat 9 on both inner walls. The top of the sludge discharge machine body 1 is provided with a top cover 2. The corner of the top of the top cover 2 is provided with a first positioning pin 3. The bottom end of the first positioning pin 3 passes through the top cover 2 and is threadedly connected to the top of the first positioning seat 9. The center of the surface of the sludge discharge machine body 1 is provided with a pretreatment box 4. A coarse filter screen 19 is installed on one side of the interior of the pretreatment box 4. A third baffle 18 is provided on the inner wall of the pretreatment box 4 on the side of the coarse filter screen 19.

[0028] When in use, the coarse filter 19 is set to pre-filter large particles in the wastewater.

[0029] The bottom of the pretreatment box 4 on the side of the third baffle 18 away from the coarse filter 19 is provided with a second baffle 17, and the inner wall of the pretreatment box 4 on the side of the second baffle 17 away from the third baffle 18 is provided with a first baffle 16.

[0030] In use, the first baffle 16 and the second baffle 17 are set to reduce the direct impact of sewage on the coarse filter screen 19 during sewage transportation.

[0031] The upper two inner walls of the pretreatment box 4 are provided with second positioning seats 15. The top of the pretreatment box 4 is equipped with a box cover 5. The corner of the top of the box cover 5 is equipped with a second positioning pin 6. The bottom end of the second positioning pin 6 passes through the box cover 5 and is threadedly connected to the top of the second positioning seat 15. The center of the surface of the pretreatment box 4 is provided with a liquid injection port 7. The outer wall of the pretreatment box 4 away from the liquid injection port 7 is provided with a flow pipe 20. The end of the flow pipe 20 away from the pretreatment box 4 extends into the interior of the sludge discharge machine body 1.

[0032] In this embodiment, a pretreatment tank 4 is first installed on the surface of the sludge discharge machine body 1. When sewage is injected through the injection port 7, the sewage flows into the interior of the pretreatment tank 4. The sewage is first blocked by the first baffle 16, the second baffle 17, and the third baffle 18 in sequence to reduce the direct impact of the sewage on the coarse filter screen 19. Then, the coarse filter screen 19 filters out large particles in the sewage, allowing the pre-treated sewage to flow into the sludge discharge machine body 1 through the flow pipe 20, thus reducing the possibility of clogging. Afterward, the sewage delivery is stopped, and the multi-section electric telescopic rod 10 is activated, driving the scraper 11 to move to the right. Because the outer wall and bottom of the scraper 11 are respectively attached to the inner wall and bottom of the sludge discharge machine body 1, the scraper 11 can scrape and clean the inner wall of the sludge discharge machine body 1. The cleaned sludge is scraped and squeezed to the top of the drain outlet 12. Simply open the drain outlet 12 to discharge the cleaned sludge. The fine filter screen 13 further filters the wastewater so that the treated water can be discharged through the drain pipe 14. Finally, by turning the first positioning pin 3, the lower end of the first positioning pin 3 is screwed out to the outside of the first positioning seat 9, and the top cover 2 can be pulled upward to remove it from the top of the sludge discharge machine body 1. Then, by turning the second positioning pin 6, the lower end of the second positioning pin 6 is screwed out to the outside of the second positioning seat 15, and the box cover 5 can be pulled upward to remove it from the top of the pretreatment box 4. This achieves the purpose of easy disassembly and maintenance of the sludge discharge device. In addition, the pretreatment box 4 needs to be disassembled and maintained regularly to reduce the phenomenon of large sludge particles remaining in the pretreatment box 4 and causing blockage. This completes the use of the sludge discharge device.

Claims

1. A sludge removal device for wastewater treatment, characterized in that: The system includes a sludge discharge machine body (1), on which first positioning seats (9) are provided on both inner walls of the upper end of the sludge discharge machine body (1). A top cover (2) is installed on the top of the sludge discharge machine body (1). A first positioning pin (3) is installed at the corner of the top of the top of the top cover (2). The bottom end of the first positioning pin (3) passes through the top cover (2) and is threadedly connected to the top of the first positioning seat (9). A pretreatment box (4) is provided at the center of the surface of the sludge discharge machine body (1). A second positioning seat (15) is provided on both inner walls of the upper end of the pretreatment box (4). The top of the pretreatment box (4) is fitted with a box cover (5). A second positioning pin (6) is installed at the corner of the top of the box cover (5). The bottom end of the second positioning pin (6) passes through the box cover (5) and is threaded to the top of the second positioning seat (15). An injection port (7) is provided at the center of the surface of the pretreatment box (4). A flow pipe (20) is provided on the outer wall of the pretreatment box (4) away from the injection port (7). The end of the flow pipe (20) away from the pretreatment box (4) extends into the interior of the sludge discharge machine body (1).

2. The sludge removal device for wastewater treatment according to claim 1, characterized in that: A partition (8) is fixed on the left side of the bottom of the sludge discharge machine body (1), and a scraper (11) is movably arranged inside the sludge discharge machine body (1) on the right side of the partition (8).

3. A sludge removal device for wastewater treatment according to claim 2, characterized in that: On the inner wall of the sludge discharge machine body (1) on the side of the partition (8) away from the scraper (11), a multi-section electric telescopic rod (10) is installed. One end of the multi-section electric telescopic rod (10) passes through the partition (8) and is connected to the outer wall of the scraper (11).

4. A sludge removal device for wastewater treatment according to claim 2, characterized in that: A fine filter screen (13) is installed inside the sludge discharge machine body (1) on the side away from the partition (8) of the scraper (11). A drain pipe (14) is provided on the outer wall of the right end of the sludge discharge machine body (1). A sewage outlet (12) is provided at the bottom of the sludge discharge machine body (1) on the side of the fine filter screen (13).

5. A sludge removal device for wastewater treatment according to claim 1, characterized in that: A coarse filter screen (19) is installed on one side of the pretreatment box (4), and a third baffle (18) is provided on the inner wall of the pretreatment box (4) on the side of the coarse filter screen (19).

6. A sludge removal device for wastewater treatment according to claim 5, characterized in that: The bottom of the pretreatment box (4) on the side of the third baffle (18) away from the coarse filter (19) is provided with a second baffle (17), and the inner wall of the pretreatment box (4) on the side of the second baffle (17) away from the third baffle (18) is provided with a first baffle (16).

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