Sludge dewatering device for sewage treatment

Abstract

The utility model discloses a sludge dewatering device for sewage treatment, which comprises a fixed box, the front wall of the fixed box is movably connected with a movable door close to the lower part, the left wall of the fixed box is movably connected with a fixed cylinder through a bearing, and the right wall of the fixed cylinder penetrates through the left wall of the fixed box and extends into the fixed box; the inner wall of the right side of the fixed box is movably connected with a rotating cylinder through a bearing, a plurality of evenly-distributed water leakage holes are formed in the rotating cylinder, the right wall of the fixed cylinder is movably connected with the left wall of the rotating cylinder through a bearing, and the position, close to the left side, of the top of the fixed cylinder is fixedly connected with a discharging hopper. Through a series of structures, the device has the characteristics of high treatment efficiency, difficulty in blockage and the like.

Description

Technical Field

[0001] This utility model relates to the field of sludge dewatering technology, specifically a sludge dewatering device for sewage treatment. Background Technology

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscaping, medical care, and catering, and is increasingly becoming a part of ordinary people's daily lives. During wastewater treatment, the sludge inside the wastewater needs to be separated. Existing wastewater treatment sludge dewatering devices have the problem of low treatment efficiency and are prone to clogging during wastewater filtration. To address this, we propose a sludge dewatering device for wastewater treatment. Utility Model Content

[0003] The technical problem solved by this utility model is to overcome the defects of the prior art and provide a sludge dewatering device for sewage treatment.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A sludge dewatering device for wastewater treatment includes a fixed box. A movable door is movably connected to the front wall of the fixed box near its lower part. A fixed cylinder is movably connected to the left wall of the fixed box via a bearing. The right wall of the fixed cylinder extends through the left wall of the fixed box into the fixed box. A rotating cylinder is movably connected to the inner right wall of the fixed box via a bearing. The rotating cylinder has several evenly distributed drainage holes. The right wall of the fixed cylinder is movably connected to the left wall of the rotating cylinder via a bearing. A hopper is fixedly connected to the top of the fixed cylinder near its left side. A first drive motor is fixedly connected to the left wall of the fixed cylinder via a connecting rod. The right end of the motor output shaft is movably connected to the left wall of the fixed cylinder via a bearing, and extends through the inner ring of the bearing to a fixedly connected rotating rod inside the fixed cylinder. A first helical blade and a second helical blade are respectively sleeved on the rotating rod near the left and right sides. A waste bin is fixedly connected to the right wall of the fixed box. The right wall of the rotating cylinder is movably connected to the left wall of the waste bin via a bearing. A discharge chute is opened at the bottom of the waste bin, and an electric valve is installed in the discharge chute. A through groove is opened at the bottom of the fixed box, and a water receiving tank is fixedly connected to the inner wall of the through groove. A water outlet pipe is fixedly connected to the left wall of the water receiving tank, and a manual valve is installed on the water outlet pipe.

[0006] Preferably, the rotating cylinder has a reduced cross-sectional area near the right side.

[0007] Preferably, a number of evenly distributed brushes are fixedly connected to the top of the fixed box.

[0008] Preferably, a second drive motor is fixedly connected to the inner wall of the left side of the fixed box near the top, and a gear is fixedly connected to the right end of the output shaft of the second drive motor. Several evenly distributed tooth grooves are opened on the outer wall of the rotating cylinder near the left side.

[0009] Preferably, a heating block is fixedly connected to the top of the inner cavity of the waste bin, and several evenly distributed through holes are opened on the top of the inner cavity of the waste bin.

[0010] Preferably, a U-shaped plate is fixedly connected to the inner wall of the fixed box near the bottom, a U-shaped groove is opened on the top of the U-shaped plate, a U-shaped frame is provided in the U-shaped groove, and a filter screen is fixedly connected to the inner wall of the U-shaped frame.

[0011] Preferably, support rods are fixedly connected to the bottom of the fixed box near the four corners, and two support rods arranged in the front-to-back direction are fixedly connected to the bottom of the waste box near the right side.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In this technical solution, the material can move to the right through the cooperation between the first drive motor, the rotating rod, the first spiral blade, and the second spiral blade. The water in the sludge is separated by the rotating drum and then filtered through the filter screen, thereby improving the filtration effect of the device. The rotating drum can be rotated through the cooperation between the second drive motor and the gear, and the brush can clean the leakage hole, thereby effectively preventing blockage. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the present invention.

[0016] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 for Figure 2 Enlarged view of section B in the middle.

[0018] The following are the labels in the diagram: 1. Fixed box; 2. First spiral blade; 3. Fixed cylinder; 4. Rotating rod; 5. First drive motor; 6. Feed hopper; 7. Gear; 8. Second spiral blade; 9. Rotating cylinder; 10. Heating block; 11. Waste bin; 12. Electric valve; 13. Manual valve; 14. Water receiving tank; 15. Water outlet pipe; 16. U-shaped plate; 17. U-shaped frame; 18. Filter screen; 19. Second drive motor. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4This utility model provides a technical solution: a sludge dewatering device for sewage treatment, including a fixed box 1. A movable door is movably connected to the lower part of the front wall of the fixed box 1. A fixed cylinder 3 is movably connected to the left wall of the fixed box 1 via a bearing. The right wall of the fixed cylinder 3 extends through the left wall of the fixed box 1 into the fixed box 1. A rotating cylinder 9 is movably connected to the inner right wall of the fixed box 1 via a bearing. The rotating cylinder 9 has a reduced cross-sectional area near its right side and several evenly distributed drainage holes. Several evenly distributed brushes are fixedly connected to the top of the fixed box 1. A second drive motor 19 is fixedly connected to the upper part of the inner left wall of the fixed box 1. A gear 7 is fixedly connected to the right end of the output shaft 19. Several evenly distributed toothed grooves are formed on the outer wall of the rotating cylinder 9 near the left side. Several evenly distributed brushes are fixedly connected to the top of the fixed box 1. The right wall of the fixed cylinder 3 is movably connected to the left wall of the rotating cylinder 9 via a bearing. A hopper 6 is fixedly connected to the top of the fixed cylinder 3 near the left side. A first drive motor 5 is fixedly connected to the left wall of the fixed cylinder 3 via a connecting rod. The right end of the output shaft of the first drive motor 5 is movably connected to the left wall of the fixed cylinder 3 via a bearing, and extends through the inner ring of the bearing to a fixedly connected rotating rod 4 inside the fixed cylinder 3. A first spiral blade 2 and a second spiral blade 8 are respectively sleeved on the rotating rod 4 near the left and right sides. A waste bin 11 is fixedly connected to the right wall of the fixed box 1. The right wall of the rotating cylinder 9 is movably connected to the left wall of the waste bin 11 via a bearing. A discharge chute is provided at the bottom of the waste bin 11, and an electric valve 12 is installed inside the discharge chute. A heating block 10 is fixedly connected to the top of the inner cavity of the waste bin 11. Several evenly distributed through holes are provided at the top of the inner cavity of the waste bin 11. A through groove is provided at the bottom of the fixed box 1. A water receiving tank 14 is fixedly connected to the inner wall of the through groove. A water outlet pipe 15 is fixedly connected to the left wall of the water receiving tank 14. A manual valve 13 is installed on the water outlet pipe 15. A U-shaped plate 16 is fixedly connected to the inner wall of the fixed box 1 near the bottom. A U-shaped groove is provided at the top of the U-shaped plate 16, and a U-shaped frame 17 is provided inside the U-shaped groove. A filter screen 18 is fixedly connected to the inner wall of the U-shaped frame 17. Support rods are fixedly connected to the bottom of the fixed box 1 near the four corners. Two support rods arranged in the front-to-back direction are fixedly connected to the bottom of the waste box 11 near the right side. Through the cooperation between the first drive motor 5, the rotating rod 4, the first spiral blade 2 and the second spiral blade 8, the material can move to the right. The water in the sludge is separated by the rotating cylinder 9 and then filtered through the filter screen 18, thereby improving the filtration effect of the device. Through the cooperation between the second drive motor 19 and the gear 7, the rotating cylinder 9 can be rotated. With the help of the brush, the leakage hole is cleaned, thereby effectively preventing blockage.

[0021] Working principle: When in use, waste material is fed into the hopper 6, the first drive motor 5 is turned on to drive the rotating rod 4 to rotate, the first spiral blade 2 and the second spiral blade 8 convey the material to the right. When the material moves in the rotating drum 9, the wastewater falls into the fixed box 1 through the drain hole, and after being filtered by the filter screen 18, it flows into the water receiving box 14. After the waste mud falls into the waste box 11, the heating block 10 is turned on to dry it. During this process, the second drive motor 19 can be turned on to drive the gear 7 to rotate, and the gear 7 drives the rotating drum 9 to rotate. The drain hole is cleaned by the brush to prevent it from being blocked.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sludge dewatering device for sewage treatment, comprising a fixed box (1), characterized in that: A movable door is movably connected to the front wall of the fixed box (1) near the bottom. A fixed cylinder (3) is movably connected to the left wall of the fixed box (1) via a bearing. The right wall of the fixed cylinder (3) extends through the left wall of the fixed box (1) into the fixed box (1). A rotating cylinder (9) is movably connected to the inner right wall of the fixed box (1) via a bearing. Several evenly distributed drainage holes are provided on the rotating cylinder (9). The right wall of the fixed cylinder (3) is movably connected to the left wall of the rotating cylinder (9) via a bearing. A hopper (6) is fixedly connected to the top of the fixed cylinder (3) near the left side. A first drive motor (5) is fixedly connected to the left wall of the fixed cylinder (3) via a connecting rod. The right end of the output shaft of the first drive motor (5) is connected to the fixed cylinder (3) via a bearing. A rotating rod (4) is fixedly connected to the left wall and extends through the inner ring of the bearing to the fixed cylinder (3). The rotating rod (4) is fitted with a first spiral blade (2) and a second spiral blade (8) near the left and right sides, respectively. A waste bin (11) is fixedly connected to the right wall of the fixed box (1). The right wall of the rotating cylinder (9) is movably connected to the left wall of the waste bin (11) through the bearing. A discharge trough is opened at the bottom of the waste bin (11). An electric valve (12) is installed in the discharge trough. A through groove is opened at the bottom of the fixed box (1). A water receiving tank (14) is fixedly connected to the inner wall of the through groove. A water outlet pipe (15) is fixedly connected to the left wall of the water receiving tank (14). A manual valve (13) is installed on the water outlet pipe (15).

2. The sludge dewatering device for sewage treatment according to claim 1, characterized in that: The rotating cylinder (9) has a reduced cross-sectional area near the right side.

3. The sludge dewatering device for sewage treatment according to claim 1, characterized in that: The top of the fixed box (1) is fixedly connected with several evenly distributed brushes.

4. The sludge dewatering device for sewage treatment according to claim 1, characterized in that: The second drive motor (19) is fixedly connected to the inner wall of the left side of the fixed box (1) near the top. The gear (7) is fixedly connected to the right end of the output shaft of the second drive motor (19). Several evenly distributed tooth grooves are opened on the outer wall of the rotating cylinder (9) near the left side.

5. A sludge dewatering device for wastewater treatment according to claim 1, characterized in that: A heating block (10) is fixedly connected to the top of the inner cavity of the waste bin (11), and several evenly distributed through holes are opened on the top of the inner cavity of the waste bin (11).

6. A sludge dewatering device for wastewater treatment according to claim 1, characterized in that: A spiral plate (16) is fixedly connected to the inner wall of the fixed box (1) near the bottom. A spiral groove is provided on the top of the spiral plate (16). A spiral frame (17) is provided in the spiral groove. A filter screen (18) is fixedly connected to the inner wall of the spiral frame (17).

7. A sludge dewatering device for wastewater treatment according to claim 1, characterized in that: The bottom of the fixed box (1) is fixedly connected to support rods near the four corners, and the bottom of the waste box (11) is fixedly connected to two support rods arranged in the front-back direction near the right side.

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