Sludge dewatering device for environmental protection engineering

Abstract

The utility model relates to the technical field of sludge treatment in environmental protection engineering, in particular to a sludge dewatering device for environmental protection engineering, which comprises a shell, a support frame is fixedly connected to the left outer wall of the shell, a motor is fixedly connected to the upper surface of the support frame, and a dewatering box is fixedly connected to the output end of the motor. The dewatering box is located in the center of the shell, a plurality of through holes are formed in the surface of the dewatering box, a feeding port is formed in the top of the dewatering box, a sliding rail is fixedly connected to the inner surface of the dewatering box, a movable door is arranged in the sliding rail, and a filtering gauze element is fixedly connected to the inner wall of the dewatering box. A guide rod is fixedly connected to the center of the right outer wall of the dewatering box, and the end, away from the dewatering box, of the guide rod extends to the outer side of the shell. The sludge dewatering device for the environmental protection engineering is reasonable in structure, and the sludge is subjected to sectional treatment when the sludge dewatering device for the environmental protection engineering is used, so that the dewatering efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment for environmental protection engineering, in particular to a sludge dewatering device for environmental protection engineering. Background Art

[0002] Environmental protection projects refer to projects specifically done for environmental protection. Due to environmental pollution caused by industrial development, these projects are based on a set of assumed goals, apply relevant scientific knowledge and technical means, and use the organized activities of a group of people to deal with and solve environmental pollution problems.

[0003] When applying for this utility model, the applicant found through search that a Chinese patent disclosed "a sludge dewatering device for environmental protection engineering", and its application number is "202223188126.5". This patent mainly uses a motor to drive the sliding rod to stir the sludge for dewatering, and does not subdivide the separated sludge and sewage, and does not treat the dirt inside the box, which affects the subsequent dehydration process, and the dehydration efficiency is not high. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sludge dewatering device for environmental protection engineering.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sludge dewatering device for environmental protection engineering, comprising a shell, a left outer wall of the shell is fixedly connected to a support frame, an upper surface of the support frame is fixedly connected to a motor, an output end of the motor is fixedly connected to a dewatering box, the dewatering box is located at the center of the shell, a through hole is opened on the surface of the dewatering box, and the number of through holes is multiple, a feed port is opened on the top of the dewatering box, a slide rail is fixedly connected to the inner surface of the dewatering box, the number of the slide rails is two, and the two slide rails are respectively located on the left and right sides of the feed port, a movable door is arranged inside the slide rail, the surface of the movable door is opened with through holes, and the number of through holes is multiple, a filter gauze is fixedly connected to the inner wall of the dewatering box, a limit switch is fixedly connected to the upper surface of the dewatering box, the number of the limit switches is two, and the two limit switches are located on one side of the feed port, and a guide rod is fixedly connected to the center of the right outer wall of the dewatering box, and the guide rod extends to the outside of the shell away from one end of the dewatering box.

[0006] As a further description of the above technical solution:

[0007] The right outer wall of the shell is fixedly connected with a bearing seat, a rolling bearing is fixedly installed inside the bearing seat, and the guide rod is located inside the rolling bearing.

[0008] As a further description of the above technical solution:

[0009] An opening and closing door is installed on the top of the shell, and a handle is fixedly connected to the upper surface of the opening and closing door.

[0010] As a further description of the above technical solution:

[0011] The top of the shell is fixedly connected with a high-pressure water sprayer, and the number of the high-pressure water sprayers is four, and the four high-pressure water sprayers are respectively located at the four corners of the top of the shell.

[0012] As a further description of the above technical solution:

[0013] The bottom of the shell is a curved surface.

[0014] As a further description of the above technical solution:

[0015] The bottom of the shell is fixedly connected with a three-branch pipe, and the branch of the three-branch pipe is fixedly connected with a valve.

[0016] As a further description of the above technical solution:

[0017] The left branch pipe of the three-branch pipe is fixedly connected to a water tank upper cover, and the lower part of the water tank upper cover is movably connected to a sewage tank.

[0018] As a further description of the above technical solution:

[0019] The right fork pipe of the three-fork pipe is fixedly connected with a mud box upper cover, and the lower part of the mud box upper cover is movably connected with a sludge box.

[0020] As a further description of the above technical solution:

[0021] The back side of the shell is fixedly connected with a hanging plate, and the number of the hanging plates is four.

[0022] The utility model has the following beneficial effects:

[0023] 1. Compared with the prior art, the sludge dewatering device for environmental protection engineering uses a motor, a dewatering box, a slide rail, a feed port, a movable door, a filter screen, and a guide rod. When the device is in use, the feed port is turned upward by the guide rod, the movable door is opened to add the sludge to be treated, and after the movable door is closed, the motor starts to work, and the dewatering box starts to rotate. Through the action of centrifugal force, the moisture of the sludge overflows from the through holes of the dewatering box, and the dry sludge will be isolated in the box by the filter screen. After the sludge is dehydrated, the movable door is opened, and the motor continues to work to throw the dry sludge out from the feed port. Compared with the conventional sludge dewatering device for environmental protection engineering, which mainly drives the slide rod to stir the sludge for dehydration by a motor, and does not subdivide the separated sludge and sewage, the dehydration is not thorough enough, which is not conducive to the sludge treatment process. The sludge dewatering device for environmental protection engineering performs segmented treatment on the sludge when in use, so that the dehydration efficiency is greatly improved.

[0024] 2. Compared with the prior art, this sludge dewatering device for environmental protection engineering uses a shell and a high-pressure water sprayer, so that when the device is in use, the inner wall of the shell and the dewatering box can be cleaned by a high-pressure water sprayer to avoid the influence of sludge clogging the through holes.

[0025] 3. Compared with the prior art, this sludge dewatering device for environmental protection engineering uses a three-way bifurcation pipe, a valve, a sewage tank, and a sludge tank, so that the device can divert the sludge when in use, and guide the sewage into the sewage tank and the dry sludge into the sludge tank by switching the valve, which is convenient for subsequent treatment.

[0026] 4. Compared with the prior art, the sludge dewatering device for environmental protection engineering can be wall-mounted by means of a hanging plate, thereby reducing space occupancy. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a cross-sectional view of the internal structure of a sludge dewatering device for environmental protection engineering proposed by the utility model from a first perspective;

[0028] Figure 2 This is a side view of the overall structure of a sludge dewatering device for environmental protection engineering proposed by the utility model;

[0029] Figure 3 This is a rear view of the overall structure of a sludge dewatering device for environmental protection engineering proposed by the utility model;

[0030] Figure 4 This is a left view of the overall structure of a sludge dewatering device for environmental protection engineering proposed by the utility model;

[0031] Figure 5 This is a cross-sectional view of the internal structure of a sludge dewatering device for environmental protection engineering proposed by the utility model from a second perspective;

[0032] Figure 6 This is a third-angle internal structure sectional view of a sludge dewatering device for environmental protection engineering proposed by the utility model;

[0033] Figure 7 This is a sectional view of the internal structure from the fourth perspective of a sludge dewatering device for environmental protection engineering proposed by the utility model.

[0034] Legend:

[0035] 1. Outer shell; 2. Motor; 3. Dehydration tank; 4. Slide rail; 5. Moving door; 6. Filter screen; 7. Limit switch; 8. Guide rod; 9. Bearing seat; 10. Rolling bearing; 11. Opening and closing door; 12. Handle; 13. High-pressure water sprayer; 14. Three-branch pipe; 15. Valve; 16. Water tank cover; 17. Sewage tank; 18. Mud box cover; 19. Mud box; 20. Support frame; 21. Hanging plate; 22. Feed inlet. DETAILED DESCRIPTION

[0036] Reference Figure 1-7 The utility model provides a sludge dewatering device for environmental protection engineering: it includes a shell 1, a support frame 20 is fixedly connected to the left outer wall of the shell 1, and a reinforcing rib is provided at the bottom of the support frame 20 to facilitate the support of the motor 2. The upper surface of the support frame 20 is fixedly connected to the motor 2, and the output end of the motor 2 is fixedly connected to the dewatering box 3, which is driven by the motor 2 to rotate. The dewatering box 3 is located at the center of the shell 1. The surface of the dewatering box 3 is provided with through holes, and the number of through holes is multiple, so that sewage can be discharged. A feed port 22 is provided on the top of the dewatering box 3, and sludge can be added and dry sludge can be discharged through the feed port 22. The inner surface of the dewatering box 3 is fixedly connected to a slide rail 4, and the number of the slide rails 4 is two, and the two slide rails 4 are respectively Located on the left and right sides of the feed port 22, a movable door 5 is arranged inside the slide rail 4, and the movable door 5 can be freely opened and closed by the slide rail 4. A through hole is opened on the surface of the movable door 5, and the number of the through holes is multiple, and the through holes are used for sewage discharge. The inner wall of the dehydration box 3 is fixedly connected with a filter mesh 6, which can isolate the dry sludge into the box. The upper surface of the dehydration box 3 is fixedly connected with a limit switch 7, and the number of the limit switches 7 is two. The two limit switches 7 are located on one side of the feed port 22, which can limit the movement of the movable door 5. A guide rod 8 is fixedly connected to the center of the right outer wall of the dehydration box 3, and the feed port can be turned upwards through the guide rod 8 to facilitate the addition of sludge. The guide rod 8 extends to the outside of the outer shell 1 away from the end of the dehydration box 3.

[0037] A bearing seat 9 is fixedly connected to the right outer wall of the shell 1, and a rolling bearing 10 is fixedly installed inside the bearing seat 9. The guide rod 8 is located inside the rolling bearing 10, so that the guide rod 8 can be easily rotated. An opening and closing door 11 is installed on the top of the shell 1. The opening and closing door 11 is opened when sludge is added, and the opening and closing door 11 is closed when the dehydration box starts working. A handle 12 is fixedly connected to the upper surface of the opening and closing door 11. A high-pressure water sprayer 13 is fixedly connected to the top of the shell 1. When the dehydration work is completed, the high-pressure water sprayer 13 starts to work to clean the inner wall of the shell and the dehydration box to avoid the influence of sludge clogging the through holes. There are four high-pressure water sprayers 13, and the four high-pressure water sprayers 13 are respectively located at the four corners of the top of the shell 1. The bottom of the shell 1 is a curved surface, which is convenient for the collection of sewage and dry sludge. A three-branch pipe 14 is fixedly connected to the bottom of the shell 1, which can be used for diversion of sewage and dry sludge. A valve 15 is fixedly connected to the branch of the three-branch pipe 14.

[0038] The left fork pipe of the three-branch pipe 14 is fixedly connected to a water tank cover 16, and a sewage tank 17 is movably connected below the water tank cover 16. The sewage tank 17 can be removed for subsequent treatment of the sewage. The right fork pipe of the three-branch pipe 14 is fixedly connected to a mud box cover 18, and a sludge box 19 is movably connected below the mud box cover 18. The sludge box 17 can be removed for subsequent treatment of dry sludge.

[0039] A hanging plate 21 is fixedly connected to the back of the housing 1, so that the device can be wall-mounted to reduce space occupation. The number of the hanging plates 21 is four.

[0040] Working principle: When in use, open the opening and closing door 11, use the guide rod 8 to turn the feed port 22 upwards, open the movable door 5 to add the sludge to be treated, close the movable door 5, and the motor 2 starts to work, and the dehydration box 3 starts to rotate. Through the action of centrifugal force, the moisture of the sludge overflows from the through hole of the dehydration box 3, and the dry sludge will be isolated in the box by the filter mesh 6. The control valve 15 opens the left pipe of the three-branch pipe 14 to discharge the sewage into the sewage tank 17. After the sludge is dehydrated, open the movable door 5, and the motor 2 continues to work to throw the dry sludge out from the feed port 22. The control valve 15 opens the right pipe of the three-branch pipe 14 to discharge the dry sludge into the sludge box 19.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sludge dewatering device for environmental protection engineering, comprising a housing (1), characterized in that: The left outer wall of the shell (1) is fixedly connected to a support frame (20), the upper surface of the support frame (20) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to a dehydration box (3), the dehydration box (3) is located at the center of the shell (1), the surface of the dehydration box (3) is provided with a through hole, and the number of through holes is multiple, the top of the dehydration box (3) is provided with a feed port (22), the inner surface of the dehydration box (3) is fixedly connected to a slide rail (4), the number of the slide rails (4) is two, and the two slide rails (4) are respectively located at the feed port (22). On the left and right sides, a movable door (5) is arranged inside the slide rail (4), and a through hole is opened on the surface of the movable door (5), and the number of the through holes is multiple. The inner wall of the dehydration box (3) is fixedly connected with a filter screen (6), and the upper surface of the dehydration box (3) is fixedly connected with a limit switch (7). The number of the limit switches (7) is two, and the two limit switches (7) are located on one side of the feed port (22). The center of the right outer wall of the dehydration box (3) is fixedly connected with a guide rod (8), and the guide rod (8) extends to the outside of the outer shell (1) away from the end of the dehydration box (3).

2. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: A bearing seat (9) is fixedly connected to the right outer wall of the housing (1), a rolling bearing (10) is fixedly installed inside the bearing seat (9), and the guide rod (8) is located inside the rolling bearing (10).

3. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: An opening and closing door (11) is installed on the top of the housing (1), and a handle (12) is fixedly connected to the upper surface of the opening and closing door (11).

4. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: A high-pressure water sprayer (13) is fixedly connected to the top of the housing (1), and there are four high-pressure water sprayers (13). The four high-pressure water sprayers (13) are respectively located at the four corners of the top of the housing (1).

5. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: The bottom of the housing (1) is a curved surface.

6. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: The bottom of the housing (1) is fixedly connected to a three-branch pipe (14), and the branch of the three-branch pipe (14) is fixedly connected to a valve (15).

7. The sludge dewatering device for environmental protection engineering according to claim 6, characterized in that: The left branch pipe of the three-branch pipe (14) is fixedly connected to a water tank upper cover (16), and a sewage tank (17) is movably connected below the water tank upper cover (16).

8. The sludge dewatering device for environmental protection engineering according to claim 6, characterized in that: The right branch pipe of the three-branch pipe (14) is fixedly connected to a mud box upper cover (18), and the lower part of the mud box upper cover (18) is movably connected to a sludge box (19).

9. The sludge dewatering device for environmental protection engineering according to claim 1, characterized in that: A hanging plate (21) is fixedly connected to the back side of the housing (1), and the number of the hanging plates (21) is four.

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