Domestic sewage sludge drying treatment device

Abstract

The utility model relates to the technical field of domestic sewage and sludge treatment, and discloses a domestic sewage and sludge drying treatment device which comprises a separation box and a drying box, a filter plate is fixedly connected to the inner surface of the separation box, a lead screw is rotatably connected to the inner surface of the separation box, a first motor is fixedly installed on the outer surface of the left side of the separation box, and a second motor is installed on the outer surface of the right side of the separation box. And an electric push rod is fixedly installed on the outer surface of the bottom of the threaded plate, the opposite outer surfaces of the two supporting plates are rotationally connected with a pressing cylinder, and the outer surface of the conveying shaft is fixedly sleeved with auger blades. According to the domestic sewage sludge drying treatment device, a first motor drives a lead screw to rotate to drive a pressing cylinder to move, an electric push rod is matched to press sludge, a third motor is matched to drive a conveying shaft to drive an auger blade to convey and extrude the sludge, sewage in the sludge is separated, the subsequent sludge drying speed is increased, and the sludge drying efficiency is improved. And the drying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of domestic sewage sludge treatment, in particular to a domestic sewage sludge drying treatment device. Background Technique

[0002] When treating sewage, it is necessary to separate the sewage and sludge and dry the sludge to avoid harm to the environment.

[0003] Existing sludge drying treatment devices usually use lime to dry the sludge. However, since the existing sludge drying treatment devices do not have the function of separating sewage and soil from the sludge, and the sludge contains a large amount of sewage, if it is directly dried, a large amount of lime and a lot of time are required, which greatly reduces the drying speed of the sludge and the drying efficiency is low. Therefore, a domestic sewage sludge drying treatment device is proposed. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a domestic sewage sludge drying treatment device to solve the problems mentioned in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical solution: A domestic sewage sludge drying treatment device, including a separation tank and a drying tank. A feed hopper is provided on the outer surface of the top of the drying tank. A filter plate is fixedly connected to the inner surface of the separation tank. A lead screw is rotatably connected to the inner surface of the separation tank. A first motor is fixedly installed on the outer surface of the left side of the separation tank. The output end of the first motor is fixedly connected to the lead screw. A threaded plate is threadedly connected to the outer surface of the lead screw. An electric push rod is fixedly installed on the outer surface of the bottom of the threaded plate. The output end of the electric push rod is fixedly connected to a connecting plate. Two support plates are fixedly connected to the outer surface of the bottom of the connecting plate. A pressing cylinder is rotatably connected to the opposite outer surfaces of the two support plates.

[0006] A conveying cylinder is fixedly connected to the outer surface of the separation tank. A receiving hopper is fixedly communicated with the outer surface of the conveying cylinder. A third motor is fixedly installed on the outer surface of the conveying cylinder. A conveying shaft is rotatably connected to the inside of the conveying cylinder. The output end of the third motor is fixedly connected to the conveying shaft. A screw blade is fixedly sleeved on the outer surface of the conveying shaft. A discharge pipe is fixedly communicated with the outer surface of the conveying cylinder far from the motor.

[0007] Furthermore, a feed hopper is fixedly connected to the outer surface of the top of the drying box. A stirring shaft is rotatably connected to the inner surface of the top of the drying box. A second motor is fixedly installed on the outer surface of the top of the drying box. The output end of the second motor is fixedly connected to the stirring shaft. A plurality of stirring blades are fixedly connected to the outer surface of the stirring shaft. Two driving bevel gears are fixedly sleeved on the outer surface of the stirring shaft. Two driven bevel gears are movably meshed with the outer surface of each of the two driving bevel gears. A transverse shaft is fixedly connected to the outer surface of each of the two driven bevel gears. A plurality of turning blades are fixedly connected to the outer surface of the transverse shaft.

[0008] Furthermore, a plurality of springs are fixedly connected to the outer surface of the bottom of the connecting plate. A scraper is fixedly connected to the outer surface of the bottoms of the plurality of springs. A plurality of limiting rods are movably inserted into the outer surface of the connecting plate. The plurality of springs are respectively sleeved on the outer surfaces of the plurality of limiting rods.

[0009] Furthermore, a drain pipe is fixedly connected to the outer surface of the bottom of the separation box. A plurality of filter holes are formed in the outer surface of the bottom of the conveying cylinder near one end of the third motor.

[0010] Furthermore, a hollow groove is formed in the bottom end of the separation box on the right side. A diversion hopper is installed inside the hollow groove. The diversion hopper corresponds to the position of the material receiving hopper, and the discharge pipe corresponds to the position of the feed hopper.

[0011] Furthermore, two protective boxes are rotatably sleeved on the outer surface of the stirring shaft. The four transverse shafts respectively penetrate through the outer surfaces of the two protective boxes rotatably. The two driving bevel gears and the four driven bevel gears are respectively located inside the two protective boxes.

[0012] Furthermore, a sliding rod is fixedly connected to the inner surface of the separation box. The threaded plate is movably sleeved on the outer surface of the sliding rod.

[0013] Furthermore, a plurality of electric heating tubes are fixedly installed inside the drying box.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. For this domestic sewage sludge drying treatment device, by driving the screw rod to rotate by the first motor to drive the pressing cylinder to move, cooperating with the electric push rod, the sludge is pressed, and cooperating with the third motor to drive the conveying shaft to drive the auger blades to convey and extrude the sludge, separating the sewage in the sludge, improving the subsequent drying speed of the sludge, and then improving the drying efficiency.

[0016] 2. The domestic sewage sludge drying treatment device drives the stirring shaft to rotate through the second motor, drives the stirring blades to stir the sludge, and cooperates with the driving bevel gear, driven bevel gear and turning blades to turn the sludge, so that the sludge can be dried more comprehensively and the drying efficiency of the sludge is improved. Brief Description of the Drawings

[0017] Figure 1 is a front view structural schematic diagram of the present utility model;

[0018] Figure 2 is a schematic diagram of the internal structure of the separation box of the present utility model;

[0019] Figure 3 is of the present utility model Figure 2 is an enlarged structural schematic diagram at A in;

[0020] Figure 4 is a schematic diagram of the internal structure of the drying box of the present utility model;

[0021] Figure 5 is a schematic diagram of the internal structure of the conveying cylinder of the present utility model.

[0022] In the figure: 1, separation box; 2, drying box; 3, filter plate; 4, feed hopper; 5, lead screw; 6, first motor; 7, threaded plate; 8, electric push rod; 9, connecting plate; 10, pressing cylinder; 11, spring; 12, scraper; 13, stirring shaft; 14, second motor; 15, driving bevel gear; 16, driven bevel gear; 17, horizontal shaft; 18, turning blade; 19, receiving hopper; 20, third motor; 21, conveying shaft; 22, auger blade; 23, conveying cylinder. Detailed Embodiment

[0023] 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 creative work fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5, the present utility model provides a technical solution: a domestic sewage sludge drying treatment device, including a separation tank 1 and a drying tank 2. A feed hopper 4 is provided on the outer surface of the top of the drying tank 2. A filter plate 3 is fixedly connected to the inner surface of the separation tank 1. A lead screw 5 is rotatably connected to the inner surface of the separation tank 1. A first motor 6 is fixedly installed on the outer surface of the left side of the separation tank 1. The output end of the first motor 6 is fixedly connected to the lead screw 5. A threaded plate 7 is threadedly connected to the outer surface of the lead screw 5. An electric push rod 8 is fixedly installed on the outer surface of the bottom of the threaded plate 7. The output end of the electric push rod 8 is fixedly connected to a connecting plate 9. Two support plates are fixedly connected to the outer surface of the bottom of the connecting plate 9. A pressing cylinder 10 is rotatably connected to the opposite outer surfaces of the two support plates. A conveying cylinder 23 is fixedly connected to the outer surface of the separation tank 1. A receiving hopper 19 is fixedly communicated with the outer surface of the conveying cylinder 23. A third motor 20 is fixedly installed on the outer surface of the conveying cylinder 23. A conveying shaft 21 is rotatably connected to the inside of the conveying cylinder 23. The output end of the third motor 20 is fixedly connected to the conveying shaft 21. A screw blade 22 is fixedly sleeved on the outer surface of the conveying shaft 21. A discharge pipe is fixedly communicated with the outer surface of the conveying cylinder 23 far from the motor. In this embodiment, when the electric push rod 8 is turned on, the electric push rod 8 drives the pressing cylinder 10 to move downward, so that the pressing cylinder 10 contacts the sludge and presses it down to a certain extent. When the first motor 6 is turned on, the first motor 6 drives the lead screw 5 to rotate. The rotation of the lead screw 5 drives the threaded plate 7 to move. The threaded plate 7 drives the pressing cylinder 10 to move, presses the sludge, and squeezes out the sewage in the sludge. When the third motor 20 is turned on, the third motor 20 drives the conveying shaft 21 to rotate. The conveying shaft 21 drives the screw blade 22 to rotate, conveying the sludge. As the screw blade 22 conveys, the moisture in the sludge is squeezed again. The sewage converges on one side of the conveying cylinder 23, thereby pre-separating the sewage in the sludge.

[0025] A feed hopper is fixedly communicated with the outer surface of the top of the drying box 2. A stirring shaft 13 is rotatably connected to the inner surface of the top of the drying box 2. A second motor 14 is fixedly installed on the outer surface of the top of the drying box 2. The output end of the second motor 14 is fixedly connected to the stirring shaft 13. A plurality of stirring blades are fixedly connected to the outer surface of the stirring shaft 13. Two driving bevel gears 15 are fixedly sleeved on the outer surface of the stirring shaft 13. Two driven bevel gears 16 are movably engaged with the outer surfaces of the two driving bevel gears 15. A transverse shaft 17 is fixedly connected to the outer surface of each of the two driven bevel gears 16. A plurality of turning blades 18 are fixedly connected to the outer surface of the transverse shaft 17. In this embodiment, after the sludge enters the drying box 2, the second motor 14 is turned on. The second motor 14 drives the stirring blades to rotate, driving the stirring blades to stir the sludge. And the stirring shaft 13 drives the driving bevel gear 15 to rotate. The driving bevel gear 15 drives the driven bevel gear 16 to rotate, causing the transverse shaft 17 to rotate. The transverse shaft 17 drives the turning blades 18 to turn the sludge, so that the sludge can be dried more comprehensively, improving the drying efficiency of the sludge.

[0026] A plurality of springs 11 are fixedly connected to the outer surface of the bottom of the connecting plate 9. A scraping plate 12 is fixedly connected to the outer surface of the bottoms of the plurality of springs 11. A plurality of limiting rods are movably inserted into the outer surface of the connecting plate 9. The plurality of springs 11 are respectively sleeved on the outer surfaces of the plurality of limiting rods. In this embodiment, the first motor 6 drives the lead screw 5 to rotate, causing the threaded plate 7 to move. The threaded plate 7 drives the scraping plate 12 to move, performing a certain degree of smoothing work on the sludge. And when the electric push rod 8 moves downward so that the scraping plate 12 fits against the outer surface of the filter plate 3, then as the electric push rod 8 moves downward, the spring 11 is compressed, and further the pressing cylinder 10 is brought into contact with and presses the sludge. And when the threaded plate 7 drives the scraping plate 12, the scraping plate 12 scrapes the sludge, causing the sludge to move to the right.

[0027] A drain pipe is fixedly communicated with the outer surface of the bottom of the separation box 1. A plurality of filter holes are opened at one end of the outer surface of the bottom of the conveying cylinder 23 close to the third motor 20. In this embodiment, a sewage tank can be arranged below the drain pipe and the filter holes, so that the sewage enters the sewage tank through the drain pipe and the filter holes.

[0028] A hollow groove is opened at the right side of the bottom end of the separation box 1. A diversion hopper is installed inside the hollow groove. The diversion hopper corresponds to the position of the receiving hopper 19. The discharge pipe corresponds to the position of the feed hopper. In this embodiment, the sludge falls into the receiving hopper 19 through the diversion hopper. When the sludge is conveyed to the discharge pipe, the sludge drops from the discharge pipe into the feed hopper.

[0029] Two protective boxes are rotatably sleeved on the outer surface of the stirring shaft 13. The four horizontal shafts 17 respectively penetrate through the outer surfaces of the two protective boxes in a rotating manner. The two driving bevel gears 15 and the four driven bevel gears 16 are respectively located inside the two protective boxes. In this embodiment, the driving bevel gear 15 and the driven bevel gears 16 are protected by the protective boxes to prevent sludge from affecting the meshing force between the driving bevel gear 15 and the driven bevel gears 16.

[0030] A slide bar is fixedly connected to the inner surface of the separation box 1. The threaded plate 7 is movably sleeved on the outer surface of the slide bar. In this embodiment, when the lead screw 5 rotates, it drives the threaded plate 7 to slide on the outer surface of the slide bar, preventing the threaded plate 7 from rotating along with the rotation of the lead screw 5.

[0031] A number of electric heating tubes are fixedly installed inside the drying box 2. In this embodiment, the inside of the drying box 2 is heated by the electric heating tubes to dry the sludge.

[0032] Working principle: When the utility model is in use, the sludge to be dried is conveyed from the feed hopper 4 into the separation box 1. Then, the first motor 6 is started. The first motor 6 drives the screw rod 5 to rotate, causing the threaded plate 7 to move. The threaded plate 7 drives the scraper 12 to move, performing a certain degree of smoothing work on the sludge. Then, the threaded plate 7 returns to its initial position. The electric push rod 8 is started, and the electric push rod 8 drives the pressing cylinder 10 to move downward, making the pressing cylinder 10 contact the sludge and pressing it to a certain extent. At this time, the scraper 12 contacts the outer surface of the filter plate 3. As the electric push rod 8 presses down, the spring 11 is compressed. The first motor 6 is started, and the first motor 6 drives the screw rod 5 to rotate. The rotation of the screw rod 5 drives the threaded plate 7 to move, and the threaded plate 7 drives the pressing cylinder 10 to move, pressing the sludge and squeezing out the sewage in the sludge. The sewage passes through the filter plate 3 and enters the bottom of the separation box 1, and is discharged into the sewage tank through the drain pipe, thereby pre-separating the sewage in the sludge. And under the action of the scraper 12, the sludge is scraped, causing the sludge to move to the right. The sludge enters the receiving hopper 19 through the diversion hopper and enters the conveying cylinder 23. The third motor 20 is started, and the third motor 20 drives the conveying shaft 21 to rotate. The conveying shaft 21 drives the auger blades 22 to rotate, conveying the sludge. As the sludge is conveyed by the auger blades 22, the moisture in the sludge is squeezed again. The sewage converges on one side of the conveying cylinder 23 and is discharged through the filter holes into the sewage tank. The sludge is conveyed to the feed hopper above the drying box 2 by the auger blades 22. The sludge enters the drying box 2 through the feed hopper. Before the sludge enters, the electric heating tubes in the drying box 2 are started in advance to heat up the inside of the drying box 2. After the sludge enters the drying box 2, the second motor 14 is started. The second motor 14 drives the stirring blades to rotate, driving the stirring blades to stir the sludge. And the stirring shaft 13 drives the driving bevel gear 15 to rotate. The driving bevel gear 15 drives the driven bevel gear 16 to rotate, causing the cross shaft 17 to rotate. The cross shaft 17 drives the turning blades 18 to turn the sludge, so that the sludge can be dried more comprehensively, improving the drying efficiency of the sludge.

[0033] Although the embodiments of the present utility model 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 utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A domestic sewage sludge drying treatment device, comprising a separation tank (1) and a drying tank (2), characterized in that: A feed hopper (4) is provided on the top outer surface of the drying box (2); a filter plate (3) is fixedly connected to the inner surface of the separation box (1); a screw rod (5) is rotatably connected to the inner surface of the separation box (1); a first motor (6) is fixedly installed on the left outer surface of the separation box (1); an output end of the first motor (6) is fixedly connected to the screw rod (5); a threaded plate (7) is threadedly connected to the outer surface of the screw rod (5); an electric push rod (8) is fixedly installed on the bottom outer surface of the threaded plate (7); an output end of the electric push rod (8) is fixedly connected to a connecting plate (9); two support plates are fixedly connected to the bottom outer surface of the connecting plate (9); and a pressing cylinder (10) is rotatably connected to the opposite outer surfaces of the two support plates; The outer surface of the separation box (1) is fixedly connected to a conveying cylinder (23), the outer surface of the conveying cylinder (23) is fixedly connected to a receiving hopper (19), the outer surface of the conveying cylinder (23) is fixedly installed with a third motor (20), the interior of the conveying cylinder (23) is rotatably connected to a conveying shaft (21), the output end of the third motor (20) is fixedly connected to the conveying shaft (21), the outer surface of the conveying shaft (21) is fixedly sleeved with an auger blade (22), and the outer surface of the conveying cylinder (23) away from the motor is fixedly connected to a discharge pipe.

2. A domestic sewage sludge drying treatment device according to claim 1, characterized in that: The top outer surface of the drying box (2) is fixedly connected to a feed hopper, the top inner surface of the drying box (2) is rotatably connected to a stirring shaft (13), a second motor (14) is fixedly mounted on the top outer surface of the drying box (2), the output end of the second motor (14) is fixedly connected to the stirring shaft (13), the outer surface of the stirring shaft (13) is fixedly connected to a plurality of stirring blades, the outer surface of the stirring shaft (13) is fixedly sleeved with two active bevel gears (15), the outer surfaces of the two active bevel gears (15) are movably meshed with two driven bevel gears (16), the outer surfaces of the two driven bevel gears (16) are fixedly connected to a transverse shaft (17), and the outer surface of the transverse shaft (17) is fixedly connected to a plurality of flapping blades (18).

3. The domestic sewage sludge drying treatment device according to claim 1 is characterized in that: The bottom outer surface of the connecting plate (9) is fixedly connected to a plurality of springs (11), the bottom outer surfaces of the plurality of springs (11) are fixedly connected to scrapers (12), the outer surface of the connecting plate (9) is movably provided with a plurality of limit rods, and the plurality of springs (11) are respectively sleeved on the outer surfaces of the plurality of limit rods.

4. The domestic sewage sludge drying treatment device according to claim 1 is characterized by: The bottom outer surface of the separation box (1) is fixedly connected to a drainage pipe, and the bottom outer surface of the conveying cylinder (23) is provided with a plurality of filter holes at one end close to the third motor (20).

5. The domestic sewage sludge drying treatment device according to claim 1 is characterized by: A hollow groove is provided at the right side of the bottom end of the separation box (1), and a flow guide hopper is installed inside the hollow groove. The flow guide hopper corresponds to the position of the receiving hopper (19), and the discharge pipe corresponds to the position of the feeding hopper.

6. The domestic sewage sludge drying treatment device according to claim 2 is characterized by: The outer surface of the stirring shaft (13) is rotatably sleeved with two protection boxes, the four transverse shafts (17) respectively rotate and penetrate the outer surfaces of the two protection boxes, and the two driving bevel gears (15) and the four driven bevel gears (16) are respectively located inside the two protection boxes.

7. The domestic sewage sludge drying treatment device according to claim 1 is characterized by: The inner surface of the separation box (1) is fixedly connected to a sliding rod, and the threaded plate (7) is movably sleeved on the outer surface of the sliding rod.

8. The domestic sewage sludge drying treatment device according to claim 1 is characterized by: A plurality of electric heating tubes are fixedly installed inside the drying box (2).

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