Sludge dewatering device for sewage treatment

Abstract

The utility model discloses a sludge dewatering device for sewage treatment, which comprises an outer shell and a support, the outer shell is fixedly connected to four frame rods of the support, a first motor is fixedly mounted on the left side of the outer shell, and an output shaft of the first motor penetrates into the outer shell to be fixedly connected with a dewatering mechanism. The top of the outer shell is provided with a feeding port, the bottom of the outer shell is fixedly provided with an unblocking mechanism, the right side of the bottom of the outer shell is fixedly connected with a main drainage pipe communicated with the outer shell, and the bottom of the right side of the outer shell is provided with a sludge discharge port. The sludge dewatering device for sewage treatment is reasonable in structural design, adopts a centrifugal and extrusion mode to realize sludge dewatering, has higher efficiency and better effect, can realize quick blockage clearing when the screening holes are blocked, is also very convenient to take out the dewatered sludge, is low in labor intensity of workers, and is suitable for popularization and application. And the use requirements can be comprehensively met.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge dehydration, in particular to a sludge dehydration device for sewage treatment. Background Art

[0002] Patent document CN201721705328.9 discloses "a sludge dewatering device" comprising a sludge pump body, the sludge pump body is connected to a pressure tank, and the pressure tank is connected to a compressor via a compressed air pipe; a dewatering machine is connected to the pressure tank; sludge pipes are connected between the sludge pump body and the pressure tank, and between the dewatering machine and the pressure tank; the dewatering machine comprises a centrifugal dewatering barrel connected to the sludge pipe, a plurality of dewatering holes are evenly arranged on the surface of the centrifugal dewatering barrel, a metal plate for sealing the bottom of the centrifugal dewatering barrel is movably arranged at the bottom of the centrifugal dewatering barrel, a rotating shaft is welded to the bottom of the metal plate, and the rotating shaft is connected to a motor; the utility model sludge dewatering device has a simple and compact structure, high dewatering efficiency, low operating cost, and also has a mud removal function.

[0003] This patent has some problems in actual use. First, when dewatering the sludge by centrifugation, part of the sludge will cause blockage in the screening holes, which cannot be cleared and affect the dewatering effect. Secondly, it is inconvenient to take out the sludge in the centrifuge cylinder and disassembly work is required. For this reason, we propose a sludge dewatering device for sewage treatment to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a sludge dewatering device for sewage treatment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sludge dewatering device for sewage treatment, comprising an outer shell and a support, the outer shell is fixedly connected to four frame rods of the support, a first motor is fixedly installed on the left side of the outer shell, the output shaft of the first motor passes through the inside of the outer shell and is fixedly connected to a dewatering mechanism, a feeding port is provided at the top of the outer shell, a clearing mechanism is fixedly installed at the bottom of the outer shell, a main drain pipe interconnected with the outer shell is fixedly connected to the right side of the bottom of the outer shell, a mud discharge port is provided at the bottom of the right side of the outer shell, and a mud guard is fixedly connected to the position of the outer shell corresponding to the mud discharge port by screws.

[0006] Furthermore, the dehydration mechanism includes an inner dehydration cylinder and a rotating seat, a feeding pipe interconnected with the inner dehydration cylinder is fixedly connected to the left side of the top of the inner dehydration cylinder, a second motor is fixedly installed on the left side of the inner dehydration cylinder, a protective sleeve on the outside of the second motor is fixedly connected to the end of the output shaft of the first motor, the rotating seat is fixedly installed on the right side of the inner wall of the outer shell, the output shaft of the second motor penetrates into the inner dehydration cylinder, a plurality of dragon pressing plates are fixedly connected to the surface of the output shaft of the second motor located in the inner dehydration cylinder, a plurality of seepage holes are equidistantly opened on the outside of the inner dehydration cylinder, a cylinder is fixedly installed on the rotating end of the rotating seat, a sealing plate is fixedly connected to the telescopic end of the cylinder, a secondary drainage pipe interconnected with the inner dehydration cylinder is installed on the sealing plate, and the left side of the sealing plate is clamped to the inner dehydration cylinder through two connecting clamps.

[0007] Furthermore, the blockage clearing mechanism includes a connecting shell, which is fixedly installed at the bottom of the outer shell, and the bottom of the inner wall of the connecting shell is fixedly connected to a cross frame through an electric telescopic column, and a blockage clearing rod is fixedly connected to the position of the top of the cross frame corresponding to the seepage hole, and the end of the blockage clearing rod away from the cross frame penetrates into the interior of the outer shell.

[0008] Furthermore, a sealing ring is fixedly connected to the bottom of the inner wall of the outer shell at a position corresponding to the clearing rod, and the inner side of the sealing ring is in contact with the surface of the clearing rod.

[0009] Furthermore, solenoid valves are installed on the main drainage pipe, the feeding pipe and the auxiliary drainage pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model can add the sludge to be dehydrated into the inner dehydration cylinder through the feeding port and the feeding pipe. After the first motor is turned on, its output shaft can drive the inner dehydration cylinder to rotate. Under the plug-in connection of the connecting clamp plate, the sealing plate and the cylinder can rotate under the connection of the rotating seat. Then the second motor is turned on to make the dragon pressing piece rotate continuously. In the process of squeezing the sludge, the sewage inside seeps out from the seepage hole. The part of the water that has not seeped out in the sludge can be transported to the rightmost side and then squeezed and discharged from the auxiliary drainage pipe. After all the sewage is discharged from the main drainage pipe, the cylinder is opened to make the sealing plate move to the right side, and the sludge in the inner dehydration cylinder flows out into the outer shell. After the mud guard is removed, the sludge is discharged from the mud outlet. When the seepage holes are blocked, the first motor can control the inner dewatering cylinder to rotate a certain angle each time, so that the multiple seepage holes in each row are facing downward. After the electric telescopic column is turned on, it drives the cross frame and the clearing rod to move upward, and the sludge can be pushed out through the seepage holes for easy cleaning. The sludge dewatering device for sewage treatment has a reasonable structural design and adopts a centrifugal and extrusion method to dehydrate the sludge. It has high efficiency and good effect. When the screening holes are blocked, the blockage can be quickly cleared and it is also very convenient to take out the dehydrated sludge. The labor intensity of workers is low, which can fully meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a structural cross-sectional view of the utility model;

[0014] Figure 3 This is a structural cross-sectional view of the dehydration mechanism of the utility model;

[0015] Figure 4 It is a structural cross-sectional view of the blockage clearing mechanism of the utility model.

[0016] In the figure: 1 outer shell, 2 support, 3 first motor, 4 dehydration mechanism, 41 inner dehydration cylinder, 42 rotating seat, 43 feeding pipe, 44 second motor, 45 Jiaolong pressing piece, 46 water seepage hole, 47 cylinder, 48 sealing plate, 49 auxiliary drainage pipe, 410 connecting card plate, 5 feeding port, 6 clearing mechanism, 61 connecting shell, 62 electric telescopic column, 63 cross frame, 64 clearing plug rod, 7 main drainage pipe, 8 mud discharge port, 9 mud guard, 10 sealing ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 A sludge dewatering device for sewage treatment comprises an outer shell 1 and a support 2, the outer shell 1 is fixedly connected to four racks of the support 2, a transparent visual glass window is provided on the front of the outer shell 1, and the internal dehydration situation can be observed, a first motor 3 is fixedly installed on the left side of the outer shell 1, the output shaft of the first motor 3 passes through the outer shell 1 and is fixedly connected to a dehydration mechanism 4, a feeding port 5 is provided on the top of the outer shell 1, a clearing mechanism 6 is fixedly installed on the bottom of the outer shell 1, a main drain pipe 7 connected to the outer shell 1 is fixedly connected to the right side of the bottom, a mud discharge port 8 is provided at the bottom of the right side of the outer shell 1, and a mud guard 9 is fixedly connected to the position of the outer shell 1 corresponding to the mud discharge port 8 by screws.

[0019] Specifically, the dehydration mechanism 4 includes an inner dehydration cylinder 41 and a rotating seat 42. A feeding pipe 43 interconnected with the inner dehydration cylinder 41 is fixedly connected to the left side of the top of the inner dehydration cylinder 41. A second motor 44 is fixedly installed on the left side of the inner dehydration cylinder 41. The protective sleeve on the outside of the second motor 44 is fixedly connected to the end of the output shaft of the first motor 3. The rotating seat 42 is fixedly installed on the right side of the inner wall of the outer shell 1. The output shaft of the second motor 44 penetrates into the inner dehydration cylinder 41. A plurality of dragon pressing plates 45 are fixedly connected to the surface of the output shaft of the second motor 44 located in the inner dehydration cylinder 41. A plurality of seepage holes 46 are equidistantly arranged around the outside of the inner dehydration cylinder 41. A cylinder 47 is fixedly installed on the rotating end of the rotating seat 42. A sealing plate 48 is fixedly connected to the telescopic end of the cylinder 47. A secondary drainage pipe 49 interconnected with the inner dehydration cylinder 41 is installed on the sealing plate 48. The left side of the sealing plate 48 is clamped with the inner dehydration cylinder 41 through two connecting clamping plates 410.

[0020] Specifically, the clearing mechanism 6 includes a connecting shell 61, which is fixedly installed at the bottom of the outer shell 1. The bottom of the inner wall of the connecting shell 61 is fixedly connected to a cross frame 63 through an electric telescopic column 62. The top of the cross frame 63 is fixedly connected to a clearing rod 64 at a position corresponding to the seepage hole 46. The end of the clearing rod 64 away from the cross frame 63 passes through the interior of the outer shell 1.

[0021] Specifically, a sealing ring 10 is fixedly connected to the bottom of the inner wall of the outer shell 1 corresponding to the position of the clearing rod 64, and the inner side of the sealing ring 10 is in contact with the surface of the clearing rod 64. The sealing ring 10 can prevent sewage from seeping out through the gap between the outer shell 1 and the clearing rod 64.

[0022] Specifically, solenoid valves are installed on the main drainage pipe 7 , the feeding pipe 43 and the auxiliary drainage pipe 49 .

[0023] The sludge dewatering device for sewage treatment has a reasonable structural design and adopts a centrifugal and extrusion method to achieve sludge dewatering, has high efficiency and good effect, can quickly clear the blockage when the screening holes are blocked, and is also very convenient for taking out the dehydrated sludge. The labor intensity of workers is low, and can fully meet the use requirements.

[0024] When in use, the sludge to be dehydrated is added into the inner dehydration cylinder 41 through the feeding port 5 and the feeding pipe 43. After the first motor 3 is turned on, its output shaft can drive the inner dehydration cylinder 41 to rotate. Under the plug-in connection of the connecting card plate 410, the sealing plate 48 and the cylinder 47 can rotate under the connection of the rotating seat 42. Then the second motor 44 is turned on to make the dragon pressing plate 45 rotate continuously. In the process of squeezing the sludge, the sewage inside seeps out from the seepage hole 46, and the part of the water that has not seeped out in the sludge can be transported to the far right and squeezed from the auxiliary discharge After all the sewage is discharged through the water pipe 49 and the main drain pipe 7, the cylinder 47 is opened to move the sealing plate 48 to the right, and the sludge in the inner dewatering cylinder 41 flows out to the outer shell 1, and is discharged from the mud discharge port 8 after the mud guard plate 9 is removed. When the seepage holes 46 are blocked, the first motor 3 can control the inner dewatering cylinder 41 to rotate a certain angle each time, so that the multiple seepage holes 46 in each row are facing downward. After the electric telescopic column 62 is turned on, it drives the cross frame 63 and the clearing rod 64 to move upward, and the seepage holes 46 can be penetrated to push out the sludge, which is convenient for cleaning.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge dewatering device for sewage treatment, comprising an outer shell (1) and a support (2), characterized in that: The outer shell (1) is fixedly connected to four racks of the support (2); a first motor (3) is fixedly installed on the left side of the outer shell (1); an output shaft of the first motor (3) passes through the inner part of the outer shell (1) and is fixedly connected to a dehydration mechanism (4); a feeding port (5) is provided on the top of the outer shell (1); a clearing mechanism (6) is fixedly installed on the bottom of the outer shell (1); a main drainage pipe (7) which is interconnected with the outer shell (1) is fixedly connected to the right side of the bottom of the outer shell (1); a mud discharge port (8) is provided at the bottom of the right side of the outer shell (1); a mud guard (9) is fixedly connected to the position of the outer shell (1) corresponding to the mud discharge port (8) by screws.

2. A sludge dewatering device for sewage treatment according to claim 1, characterized in that: The dehydration mechanism (4) comprises an inner dehydration cylinder (41) and a rotating seat (42); a feeding pipe (43) which is in communication with the inner dehydration cylinder (41) is fixedly connected to the left side of the top of the inner dehydration cylinder (41); a second motor (44) is fixedly installed on the left side of the inner dehydration cylinder (41); a protective sleeve on the outside of the second motor (44) is fixedly connected to the output shaft end of the first motor (3); the rotating seat (42) is fixedly installed on the right side of the inner wall of the outer shell (1); the output shaft of the second motor (44) passes through the inner dehydration cylinder (41) and is located at the inner dehydration cylinder (41). 1) is fixedly connected to the output shaft surface of the second motor (44) in the inner dehydration cylinder (41), a plurality of dragon pressing plates (45) are equidistantly arranged around the outer side of the inner dehydration cylinder (41), a cylinder (47) is fixedly mounted on the rotating end of the rotating seat (42), a sealing plate (48) is fixedly connected to the telescopic end of the cylinder (47), a secondary drainage pipe (49) which is interconnected with the inner dehydration cylinder (41) is mounted on the sealing plate (48), and the left side of the sealing plate (48) is clamped with the inner dehydration cylinder (41) via two connecting clamping plates (410).

3. A sludge dewatering device for sewage treatment according to claim 2, characterized in that: The blockage clearing mechanism (6) comprises a connecting shell (61), wherein the connecting shell (61) is fixedly mounted on the bottom of the outer shell (1), the bottom of the inner wall of the connecting shell (61) is fixedly connected to a cross frame (63) via an electric telescopic column (62), a blockage clearing plug rod (64) is fixedly connected to the top of the cross frame (63) at a position corresponding to the water seepage hole (46), and the end of the blockage clearing plug rod (64) away from the cross frame (63) penetrates into the interior of the outer shell (1).

4. A sludge dewatering device for sewage treatment according to claim 3, characterized in that: A sealing ring (10) is fixedly connected to the bottom of the inner wall of the outer shell (1) at a position corresponding to the clearing plug rod (64), and the inner side of the sealing ring (10) is in contact with the surface of the clearing plug rod (64).

5. A sludge dewatering device for sewage treatment according to claim 4, characterized in that: Solenoid valves are installed on the main drainage pipe (7), the feeding pipe (43) and the auxiliary drainage pipe (49).

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