Connecting device of domestic sludge separation equipment

Abstract

The utility model relates to the field of domestic sewage treatment equipment, in particular to a connecting device of domestic sludge separation equipment, which comprises a conveying cylinder, a feeding hopper is arranged at the top of the conveying cylinder, the conveying cylinder comprises an inner cylinder and an outer cylinder, a separation layer is arranged between the inner cylinder and the outer cylinder, the inner cylinder is rotatably mounted in the outer cylinder through a driving device, and a spiral pushing device is mounted in the inner cylinder. The driving motor controls the first driving gear to rotate through the rotating shaft, the first driving gear drives the rotating end and the spiral conveying paddle to rotate oppositely under the action of the fifth driving gear, the second driving gear, the transmission gear, the fourth driving gear and the third driving gear, and certain reverse thrust can be generated by opposite rotation. The reverse thrust can more effectively push filtered solid particles to the opening II to be discharged, so that the separation efficiency is improved, meanwhile, the abrasion of the spiral conveying paddle to the filter screen can be reduced by the reverse rotation, the blockage of the filter screen is reduced, and the service life of the filter screen is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of domestic sewage treatment equipment, in particular to a connecting device for a domestic sludge separation device. Background Technique

[0002] The composition of sludge is very complex. It is an aggregate composed of zoogloea formed by various microorganisms and the organic and inorganic substances adsorbed by it. In addition to containing a large amount of water, it also contains organic substances that are difficult to degrade, heavy metals and salts, as well as a small amount of pathogenic microorganisms and parasite eggs, etc. When the connecting device of the traditional domestic sludge separation equipment transports domestic sewage, the domestic sewage in the sewage is easy to block the connecting device, resulting in the problem of low transportation efficiency. Content of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a connecting device for a domestic sludge separation device.

[0005] (II) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solutions: A connecting device for a domestic sludge separation device of the utility model includes a conveying cylinder. A feed hopper is arranged at the top of the conveying cylinder. The conveying cylinder includes an inner cylinder and an outer cylinder. A separation layer is arranged between the inner cylinder and the outer cylinder. The inner cylinder is rotatably installed in the outer cylinder through a driving device. A spiral feeding device is installed in the inner cylinder. One end of the inner cylinder is provided with a discharge port. One end of the outer cylinder is provided with an opening one and an opening two. The opening one is communicated with the discharge port. The opening two is communicated with the separation layer. A filter screen is installed on the outer wall of the inner cylinder.

[0007] Preferably, sliding grooves are symmetrically arranged on the inner wall of the outer cylinder. A surrounding groove is arranged on the inner wall of the opening one, and the surrounding groove is communicated with the sliding groove. A sliding rod is arranged on the outer wall of the inner cylinder, and the sliding rod is adapted to the sliding groove. A limiting ring is rotatably installed on the opening one.

[0008] Further preferably, the inner cylinder includes a rotating end and a fixed end. The fixed end is connected with the sliding groove through a sliding rod. The end of the rotating end is adapted to the surrounding groove. The fixed end includes a transmission layer and a feeding layer. The transmission layer is of an L-shaped structure. The feeding layer is communicated with the rotating end. A rotating groove is arranged at the end of the fixed end. An annular groove is arranged outside the rotating groove. A transmission gear is fixedly installed at the end of the rotating end. The transmission gear is adapted to the transmission layer. The rotating end is embedded in the annular groove through an annular rod and is rotatably connected with the annular groove. A transmission device is installed in the transmission layer and is respectively connected with the driving device and the transmission gear. The feed hopper is communicated with the feeding layer.

[0009] More preferably, a socket is provided at the end of the fixed end. The transmission device includes a first driving gear, a second driving gear, and a fifth driving gear. The first driving gear, the second driving gear, and the fifth driving gear are rotatably installed in the transmission layer. The first driving gear meshes with the fifth driving gear, the fifth driving gear meshes with the second driving gear, the second driving gear meshes with the transmission gear, a slot is provided at the front end of the first driving gear, a clamping groove is provided around the side wall of the slot, and the slot and the clamping groove are adapted to the driving device.

[0010] Preferably, the inner cylinder is a conical cylinder structure, and the end with the discharge port is larger than the end connected to the driving device.

[0011] Further preferably, the driving device is a driving motor. The driving motor is fixedly installed at the end of the outer cylinder. A rotating shaft is provided at the output end of the driving motor. The rotating shaft penetrates the outer cylinder. A clamping rod is provided around the end of the rotating shaft. The rotating shaft is adapted to the slot, and the clamping rod is adapted to the clamping groove.

[0012] More preferably, the spiral feeding device includes a spiral conveyor paddle and a third driving gear. One end of the spiral conveyor paddle communicates with the transmission layer. The third driving gear is installed at the end of the spiral conveyor paddle. A fourth driving gear is rotatably installed at the top of the transmission layer. The fourth driving gear meshes with the third driving gear and the first driving gear respectively.

[0013] Preferably, the bottom of the separation layer is an inclined structure, and the bottom of the separation layer inclines towards the second opening.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides a connecting device for a domestic sewage separation equipment, having the following beneficial effects:

[0016] When the present utility model drives the inner cylinder to rotate, the driving motor controls the first driving gear to rotate through the rotating shaft. Under the action of the fifth driving gear, the second driving gear, the transmission gear, the fourth driving gear, and the third driving gear, the rotating end and the spiral conveyor paddle rotate in opposite directions, so that the solid particles in the domestic sewage are separated from the sewage. The opposite rotation of the spiral conveyor paddle and the cylinder body will generate a certain reverse thrust, which can more effectively push the filtered solid particles towards the second opening for discharge, thereby improving the separation efficiency. At the same time, the reverse rotation can also reduce the wear of the spiral conveyor paddle on the filter screen, reduce the blockage of the filter screen, and extend its service life. Brief description of the drawings

[0017] Figure 1 It is a schematic external structure diagram of the present utility model;

[0018] Figure 2 Schematic side view structure of the present utility model;

[0019] Figure 3 Schematic internal structure of the fixed end of the present utility model;

[0020] Figure 4 Schematic internal structure of the outer cylinder of the present utility model;

[0021] Figure 5 Schematic structure of the inner cylinder of the present utility model;

[0022] Figure 6 Schematic structure of the rotating end of the present utility model;

[0023] In the figure: 1. Outer cylinder; 2. Inner cylinder; 3. Limit ring; 4. Feed hopper; 5. Second opening; 6. Driving motor; 7. Annular groove; 8. Rotating groove; 9. Socket; 10. Fixed end; 11. First driving gear; 12. Fifth driving gear; 13. Second driving gear; 14. Third driving gear; 15. Fourth driving gear; 16. Screw conveyor paddle; 17. Slot; 18. Card slot: 19. Transmission gear; 20. Annular rod; 21. Rotating end; 22. Slide bar; 23. Slide groove; 24. Rotating shaft; 25. Card rod. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1-6 , a connecting device of a domestic sewage separation device of the present utility model, including a conveying cylinder, a feed hopper 4 is arranged at the top of the conveying cylinder, the conveying cylinder includes an inner cylinder 2 and an outer cylinder 1, a separation layer is arranged between the inner cylinder 2 and the outer cylinder 1, the inner cylinder 2 is rotationally installed in the outer cylinder 1 through a driving device, a screw feeding device is installed in the inner cylinder 2, one end of the inner cylinder 2 is provided with a discharge port, one end of the outer cylinder 1 is provided with a first opening and a second opening 5, the first opening is communicated with the discharge port, and the second opening 5 is communicated with the separation layer, and a filter screen is installed on the outer wall of the inner cylinder 2.

[0026] In order to facilitate the separation of sewage and sludge, the inner cylinder 2 is rotatably installed in the outer cylinder 1 during the conveyance of domestic sewage. The preferred installation scheme of the inner cylinder 2 in the present utility model is that sliding grooves 23 are symmetrically arranged on the side wall of the first opening, a surrounding groove is arranged on the inner wall of the outer cylinder 1, and the surrounding groove communicates with the sliding grooves 23. A sliding rod 22 is arranged on the outer wall of the inner cylinder 2, and the sliding rod 22 is adapted to the sliding grooves 23. A limiting ring 3 is rotatably installed on the first opening. According to the above structure, the inner cylinder 2 is rotatably installed in the outer cylinder 1, and the surrounding groove is sealed by the limiting ring 3, which also facilitates the removal of the inner cylinder 2 from the outer cylinder 1 for cleaning the filter screen on the inner cylinder 2.

[0027] In order to facilitate the feeding of the inner cylinder 2 and the reverse rotation between the inner cylinder 2 and the spiral feeding device, the preferred scheme in the present utility model is that the inner cylinder 2 includes a rotating end 21 and a fixed end 10. The fixed end 10 is connected to the sliding grooves 23 through the sliding rods 22. The end of the rotating end 21 is adapted to the surrounding groove. The fixed end 10 includes a transmission layer and a feeding layer. The transmission layer is of an L-shaped structure. The feeding layer communicates with the rotating end 21. A rotating groove 8 is arranged at the end of the fixed end 10, and an annular groove 7 is arranged outside the rotating groove 8. A transmission gear 19 is fixedly installed at the end of the rotating end 21, and the transmission gear 19 is adapted to the transmission layer. The rotating end 21 is embedded in the annular groove 7 through an annular rod 20 and is rotatably connected to the annular groove 7. A transmission device is installed in the transmission layer and is respectively connected to the driving device and the transmission gear 19. The feeding hopper 4 communicates with the feeding layer. A socket 9 is arranged at the end of the fixed end 10. The transmission device includes a first driving gear 11, a second driving gear 13 and a fifth driving gear 12. The first driving gear 11, the second driving gear 13 and the fifth driving gear 12 are rotatably installed in the transmission layer. The first driving gear 11 meshes with the fifth driving gear 12, the fifth driving gear 12 meshes with the second driving gear 13, and the second driving gear 13 meshes with the transmission gear 19. A slot 17 is arranged at the front end of the first driving gear 11, and a clamping groove 18 is arranged around the side wall of the slot 17, and the slot 17 and the clamping groove 18 are adapted to the driving device. The driving device is a driving motor 6. The driving motor 6 is fixedly installed at the end of the outer cylinder 1. A rotating shaft 24 is arranged at the output end of the driving motor 6. The rotating shaft 24 penetrates the outer cylinder 1. A clamping rod 25 is arranged around the end of the rotating shaft 24. The rotating shaft 24 is adapted to the slot 17, and the clamping rod 25 is adapted to the clamping groove 18. According to the above structure, the fixed end 10 of the inner cylinder 2 is fixedly installed in the outer cylinder 1 through the connection of the sliding rod 22 and the sliding groove 23. The rotating cylinder is adapted to the surrounding groove, and through the connection of the annular rod 20 and the annular groove 7, and the meshing of the transmission gear 19 and the second driving gear 13, the rotating end 21 is rotatably installed in the outer cylinder 1. When driving the rotating end 21 to rotate, the driving motor 6 controls the first driving gear 11 to rotate through the rotating shaft 24, and the first driving gear 11 drives the rotating end 21 to rotate under the action of the fifth driving gear 12, the second driving gear 13 and the transmission gear 19.

[0028] For the convenience of sludge output in the inner cylinder 2, a preferred solution of the present utility model is that the inner cylinder 2 is of a conical cylinder structure, and the end with the discharge port is larger than the end connected to the driving device.

[0029] For the convenience of using the screw pushing device, a preferred solution in the present utility model is that the screw pushing device includes a screw conveyor paddle 16 and a driving gear three 14. One end of the screw conveyor paddle 16 is communicated with the transmission layer, the driving gear three 14 is installed at the end of the screw conveyor paddle 16, and a driving gear four 15 is rotatably installed at the top of the transmission layer. The driving gear four 15 is meshed with the driving gear three 14 and the driving gear one 11 respectively. According to the above structure, when the driving motor 6 and the rotating shaft 24 control the driving gear one 11 to rotate, with the cooperation of the driving gear three 14 and the driving gear four 15, the screw conveyor paddle 16 and the inner cylinder 2 rotate in opposite directions. When the rotating directions of the screw conveyor paddle 16 and the cylinder are opposite, a certain reverse thrust will be generated. This reverse thrust can more effectively push the filtered solid particles towards the discharge port, thereby improving the separation efficiency. At the same time, the reverse rotation can also reduce the wear of the screw conveyor paddle 16 on the filter screen and extend its service life.

[0030] For the convenience of conveying the separated sewage to the opening two 5, a preferred solution of the present utility model is that the bottom of the separation layer is of an inclined structure, and the bottom of the separation layer inclines towards the opening two 5.

[0031] The connecting device of the domestic sewage sludge separation equipment. During operation, domestic sewage is conveyed into the inner cylinder 2 through the feed hopper 4. The fixed end 10 of the inner cylinder 2 is fixedly installed in the outer cylinder 1 through the connection between the sliding rod 22 and the sliding groove 23. The rotating cylinder is adapted to the surrounding groove, and through the connection between the annular rod 20 and the annular groove 7, and the meshing of the transmission gear 19 and the second driving gear 13, the rotating end 21 is rotatably installed in the outer cylinder 1. When driving the rotation of the rotating end 21, the driving motor 6 controls the rotation of the first driving gear 11 through the rotating shaft 24. Under the action of the first driving gear 11, the fifth driving gear 12, the second driving gear 13, the transmission gear 19, the fourth driving gear 15 and the third driving gear 14, the rotating end 21 and the screw conveyor 16 rotate in opposite directions, separating the solid particles in the domestic sewage from the sewage. The sewage flows through the filter screen into the separation layer and is then discharged through the first opening. The opposite rotation of the screw conveyor 16 and the cylinder body will generate a certain reverse thrust, which can more effectively push the filtered solid particles towards the second opening 5 for discharge, thereby improving the separation efficiency. At the same time, the reverse rotation can also reduce the wear of the screw conveyor 16 on the filter screen, reduce the blockage of the filter screen, and extend its service life. The connection between the inner cylinder 2 and the sliding rod 22 and the sliding groove 23 facilitates the separation of the inner cylinder 2 from the outer cylinder 1, thus facilitating the cleaning of the inside of the outer cylinder 1 and the filter screen on the inner cylinder 2. In this device, the separated sludge and sewage can be respectively conveyed to two domestic sewage sludge separations through the first opening and the second opening 5 for secondary filtration treatment, further enhancing the treatment effect of the sewage and sludge in the domestic sewage.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting device for a domestic sludge separation device, characterized in that: The invention comprises a conveying cylinder, wherein a feed hopper (4) is provided at the top of the conveying cylinder, the conveying cylinder comprises an inner cylinder (2) and an outer cylinder (1), a separation layer is provided between the inner cylinder (2) and the outer cylinder (1), the inner cylinder (2) is rotatably installed in the outer cylinder (1) by a driving device, a spiral pushing device is installed in the inner cylinder (2), one end of the inner cylinder (2) is provided with a discharge port, one end of the outer cylinder (1) is provided with an opening 1 and an opening 2 (5), the opening 1 is communicated with the discharge port, the opening 2 (5) is communicated with the separation layer, and a filter screen is installed on the outer wall of the inner cylinder (2).

2. A connecting device for domestic sludge separation equipment according to claim 1, characterized in that: The inner wall of the outer cylinder (1) is symmetrically provided with sliding grooves (23); the inner wall of the opening one is provided with a surrounding groove, and the surrounding groove is communicated with the sliding groove (23); the outer wall of the inner cylinder (2) is provided with a sliding rod (22), and the sliding rod (22) is adapted to the sliding groove (23); and a limit ring (3) is rotatably installed on the opening one.

3. A connecting device for domestic sludge separation equipment according to claim 2, characterized in that: The inner cylinder (2) comprises a rotating end (21) and a fixed end (10), wherein the fixed end (10) is connected to the slide groove (23) via a slide rod (22), and the end of the rotating end (21) is matched with the surrounding groove. The fixed end (10) comprises a transmission layer and a feeding layer, wherein the transmission layer is an L-shaped structure, and the feeding layer is communicated with the rotating end (21). The end of the fixed end (10) is provided with a rotating groove (8), and the outer side of the rotating groove (8) is provided with an annular groove (7). A transmission gear (19) is fixedly installed at the end of the rotating end (21), and the transmission gear (19) is matched with the transmission layer. The rotating end (21) is embedded in the annular groove (7) via an annular rod (20) and is rotationally connected with the annular groove (7). A transmission device is installed in the transmission layer and is respectively connected with the driving device and the transmission gear (19). The feed hopper (4) is communicated with the feeding layer.

4. A connecting device for domestic sludge separation equipment according to claim 3, characterized in that: The end of the fixed end (10) is provided with a socket (9), and the transmission device comprises a driving gear 1 (11), a driving gear 2 (13) and a driving gear 5 (12). The driving gear 1 (11), the driving gear 2 (13) and the driving gear 5 (12) are rotatably mounted in the transmission layer, the driving gear 1 (11) is meshed with the driving gear 5 (12), the driving gear 5 (12) is meshed with the driving gear 2 (13), and the driving gear 2 (13) is meshed with the transmission gear (19). A slot (17) is provided at the front end of the driving gear 1 (11), and a clamping slot (18) is provided around the side wall of the slot (17), and the slot (17) and the clamping slot (18) are adapted to the driving device.

5. A connecting device for domestic sludge separation equipment according to claim 4, characterized in that: The inner cylinder (2) is a conical cylinder structure, and one end provided with a discharge port is larger than the end connected to the drive device.

6. A connecting device for domestic sludge separation equipment according to claim 5, characterized in that: The driving device is a driving motor (6), and the driving motor (6) is fixedly mounted on the end of the outer cylinder (1). A rotating shaft (24) is provided at the output end of the driving motor (6), and the rotating shaft (24) passes through the outer cylinder (1). A clamping rod (25) is provided around the end of the rotating shaft (24), and the rotating shaft (24) is matched with the slot (17), and the clamping rod (25) is matched with the clamping slot (18).

7. A connecting device for domestic sludge separation equipment according to claim 6, characterized in that: The spiral pushing device comprises a spiral conveying paddle (16) and a driving gear three (14), one end of the spiral conveying paddle (16) is connected to the transmission layer, the driving gear three (14) is installed at the end of the spiral conveying paddle (16), and a driving gear four (15) is rotatably installed on the top of the transmission layer, and the driving gear four (15) is respectively meshed with the driving gear three (14) and the driving gear one (11).

8. A connecting device for domestic sludge separation equipment according to claim 7, characterized in that: The bottom of the separation layer is an inclined structure, and the bottom of the separation layer is inclined toward the second opening (5).

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