Mud cake crushing device for urban sewage treatment

Abstract

The utility model discloses a mud cake crushing device for urban sewage treatment. The mud cake crushing device comprises a support frame, the top of the support frame is fixedly connected with a mounting plate, the center of the mounting plate is fixedly connected with a shell, the top of the shell is fixedly connected with a feed port, and the center of the shell is fixedly connected with a sieve plate; a feeding port is formed in the bottom of the shell, a crushing assembly is arranged in the center of the shell, a linkage control assembly corresponding to the crushing assembly is arranged on the shell, a plurality of crushing blades are installed in the center of the feeding port, and a discharging port is fixedly connected to the bottom of the shell. The gear can be driven to rotate on the toothed plate, then linkage control is conducted through the first chain wheel, the second chain wheel and the chain, the rotating shaft is driven to rotate, the smashing rollers can synchronously rotate in the moving process, and then the better smashing effect is obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of urban sewage treatment equipment, in particular to a mud cake crushing device used for urban sewage treatment. Background Art

[0002] Municipal wastewater treatment is one of the key steps in ensuring urban environmental sanitation and public health. It involves the process of collecting, treating, and discharging urban domestic sewage, and typically includes physical, chemical, and biological treatment methods to remove pollutants from sewage. These treatment processes can transform wastewater into reusable water resources, reduce negative impacts on natural water bodies, and prevent the spread of disease. During the sewage treatment process, the mud cake needs to be crushed. The crushed mud cake can be better decomposed and degraded, especially during biological treatment or incineration.

[0003] The current mud cake crushing device usually crushes the mud cake through two crushing rollers rotating in opposite directions. This crushing equipment will easily cause the mud cake to be incompletely crushed, and the incompletely crushed mud cake is not convenient for secondary crushing, and the crushing effect is poor, resulting in the discharged mud cake fragments still not being able to be well degraded during processing. Utility Model Content

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

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A mud cake crushing device for urban sewage treatment comprises a support frame, a mounting plate fixedly connected to the top of the support frame, a shell fixedly connected to the center of the mounting plate, a feed port fixedly connected to the top of the shell, and a sieve plate fixedly connected to the center of the shell;

[0007] A crushing assembly is provided at the center of the shell, a linkage control assembly corresponding to the crushing assembly is provided on the shell, a plurality of crushing blades are installed at the center of the feed port, and a discharge port is fixedly connected to the bottom of the shell.

[0008] In a preferred embodiment of the present invention, through holes are provided on the top and bottom of the shell, and the feed port and the discharge port both pass through the centers of the through holes.

[0009] In a preferred embodiment of the present invention, the crushing assembly includes a limit slider slidingly connected to both sides of the shell, and a connecting plate is fixedly connected to the two limit sliders. A rotating shaft is rotatably connected between the two connecting plates. A crushing roller is fixedly connected to the outer wall of the rotating shaft. One side of the shell is fixedly connected to the front and rear mounting plates, and a transmission screw is rotatably connected between the two mounting plates. One of the limit sliders is threadedly connected to the outer wall of the transmission screw, and a drive motor is fixedly connected to one of the mounting plates, and the output shaft of the drive motor is connected to one end of the transmission screw.

[0010] In a preferred embodiment of the present invention, both of the connecting plates are provided with an axial hole, and the rotating shaft passes through the center of the axial hole.

[0011] In a preferred embodiment of the present invention, the linkage control assembly includes a mounting shaft rotatably connected to the center of one of the limit sliders, the outer wall of the rotating shaft is fixedly connected to the first sprocket, the outer wall of the mounting shaft is fixedly connected to the second sprocket, a chain is installed between the first sprocket and the second sprocket, the outer wall of the mounting shaft is fixedly connected to a gear, and the outer shell is fixedly connected to a tooth plate that meshes with the gear.

[0012] In a preferred embodiment of the present invention, a mounting hole corresponding to the mounting shaft is opened at the center of one of the limiting sliding blocks, and the mounting shaft passes through the center of the mounting hole.

[0013] In a preferred embodiment of the present invention, the plurality of crushing blades and the feed port are prefabricated integral structures.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0015] The difference from the prior art is that: through the provided crushing assembly, the crushing roller can move on the top of the screen plate, and the crushing roller moving back and forth can crush the mud cake better, and the mud cake that is not completely crushed can also be crushed a second or multiple times in the subsequent crushing process, thereby improving work efficiency. Through the provided linkage control assembly, the limit slider can drive the gear to rotate on the tooth plate during the movement, and then the first sprocket, the second sprocket and the chain are linked and controlled to drive the rotating shaft to rotate. The crushing roller can rotate synchronously during the movement, thereby obtaining a better crushing effect. Through the provided crushing blade, the mud cake added to the feed port can be initially crushed, which reduces the difficulty of subsequent crushing and further improves the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is the overall appearance of a mud cake crushing device used for urban sewage treatment;

[0018] Figure 2 A top view of a mud cake crushing device for municipal sewage treatment;

[0019] Figure 3 for Figure 2 Cross-sectional view along the AA axis;

[0020] Figure 4 This is a schematic diagram of the internal structure of a mud cake crushing device for urban sewage treatment;

[0021] Figure 5 This is a structural schematic diagram of a feed port in a mud cake crushing device used for urban sewage treatment.

[0022] In the figure: 1. Support frame; 2. Fixed plate; 3. Housing; 4. Feed port; 5. Screen plate; 6. Crushing assembly; 601. Limiting slider; 602. Connecting plate; 603. Rotating shaft; 604. Crushing roller; 605. Mounting plate; 606. Transmission screw; 607. Driving motor; 7. Linkage control assembly; 701. Mounting shaft; 702. First sprocket; 703. Second sprocket; 704. Chain; 705. Gear; 706. Tooth plate; 8. Crushing blade; 9. Feed port. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] Please refer to Figure 1-5 A mud cake crushing device for urban sewage treatment includes a support frame 1, a fixed plate 2 is fixedly connected to the top of the support frame 1, a shell 3 is fixedly connected to the center of the fixed plate 2, a feed port 4 is fixedly connected to the top of the shell 3, and a sieve plate 5 is fixedly connected to the center of the shell 3.

[0025] like Figure 3 and Figure 4As shown, a crushing assembly 6 is provided at the center of the shell 3, and the crushing assembly 6 includes a limiting slider 601 slidably connected to both sides of the shell 3, and a connecting plate 602 is fixedly connected to the two limiting sliders 601. A rotating shaft 603 is rotatably connected between the two connecting plates 602. A shaft hole is opened on the two connecting plates 602, and the rotating shaft 603 passes through the center of the shaft hole; so that the rotating shaft 603 can rotate between the two connecting plates 602, thereby driving the crushing roller 604 to rotate, completing the crushing of the mud cake. The back and forth crushing can improve the crushing effect, ensure that the mud cake is completely crushed, and thus make the subsequent degradation process smooth. The outer wall of the rotating shaft 603 is fixedly connected to The crushing roller 604 and one side of the shell 3 are fixedly connected to the front and rear of each other with mounting plates 605, and a transmission screw 606 is rotatably connected between the two mounting plates 605. One of the limit sliders 601 is threadedly connected to the outer wall of the transmission screw 606, and a drive motor 607 is fixedly connected to one of the mounting plates 605, and the output shaft of the drive motor 607 is connected to one end of the transmission screw 606; start the drive motor 607, and the output shaft of the drive motor 607 drives the transmission screw 606 to rotate, thereby driving one of the limit sliders 601 to move, and the crushing roller 604 and the other limit slider 601 move accordingly, and the moving crushing roller 604 crushes the mud cake.

[0026] like Figure 1 、 Figure 3 and Figure 4As shown, a linkage control assembly 7 corresponding to the crushing assembly 6 is provided on the housing 3, and the linkage control assembly 7 includes a mounting shaft 701 rotatably connected to the center of one of the limit sliders 601, and a mounting hole corresponding to the mounting shaft 701 is opened in the center of one of the limit sliders 601, and the mounting shaft 701 passes through the center of the mounting hole; so that the mounting shaft 701 can rotate at the center of one of the limit sliders 601, and then when the gear 705 is engaged with the tooth plate 706, it can drive the mounting shaft 701 to rotate, and then drive the crushing roller 604 to rotate through the linkage control, the outer wall of the rotating shaft 603 is fixedly connected to the first sprocket 702, the outer wall of the mounting shaft 701 is fixedly connected to the second sprocket 703, a chain 704 is installed between the first sprocket 702 and the second sprocket 703, the outer wall of the mounting shaft 701 is fixedly connected to the gear 705, and the housing 3 is fixedly connected to the tooth plate 706 engaged with the gear 705; the mounting shaft 701 rotates with the limit slider 6 01 moves, driving the gear 705 to move. The gear 705 meshes with the tooth plate 706 during the movement and starts to rotate at the same time, thereby driving the installation shaft 701 to rotate, and driving the rotating shaft 603 to rotate through the chain 704. The crushing roller 604 rotates during the movement, fully crushing the mud cake, and moving back and forth to ensure the crushing effect. A plurality of crushing blades 8 are installed at the center of the feed port 4. The plurality of crushing blades 8 and the feed port 4 are a prefabricated integrated structure; this enables the plurality of crushing blades 8 to have strong connection stability, and thus can still maintain the stability of the installation during long-term use, crush the mud cake, and resist the pressure of the mud cake. The bottom of the shell 3 is fixedly connected with a discharge port 9, and the top and bottom of the shell 3 are both provided with through holes, and the feed port 4 and the discharge port 9 both pass through the center of the through hole; this enables the mud cake to be added through the feed port 4, and the crushed mud cake fragments can be discharged through the discharge port 9, ensuring the crushing process of the mud cake and ensuring the normal loading and unloading of the mud cake.

[0027] The working principle of the present invention is as follows: the mud cake is added through the feed port 4. After being added, the mud cake can be initially crushed by multiple crushing blades 8. After entering, the mud cake accumulates on the top of the screen plate 5. Then the drive motor 607 is started. The output shaft of the drive motor 607 drives the transmission screw 606 to rotate, thereby driving one of the limit sliders 601 to move, and the crushing roller 604 and the other limit slider 601 move accordingly. The mounting shaft 701 moves accordingly, driving the gear 705 to move. The gear 705 engages with the tooth plate 706 during the movement and starts to rotate at the same time, thereby driving the mounting shaft 701 to rotate, and the rotating shaft 603 is driven to rotate through the chain 704. The crushing roller 604 rotates during the movement, fully crushing the mud cake, and moving back and forth to ensure the crushing effect. The crushed mud cake fragments fall through the screen plate 5 and are then discharged through the discharge port 9.

[0028] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A mud cake crushing device for urban sewage treatment, comprising a support frame (1), characterized in that: The top of the support frame (1) is fixedly connected to a fixing plate (2), the center of the fixing plate (2) is fixedly connected to a housing (3), the top of the housing (3) is fixedly connected to a feed port (4), and the center of the housing (3) is fixedly connected to a sieve plate (5); A crushing assembly (6) is arranged at the center of the shell (3), a linkage control assembly (7) corresponding to the crushing assembly (6) is arranged on the shell (3), a plurality of crushing blades (8) are installed at the center of the feed port (4), and a discharge port (9) is fixedly connected to the bottom of the shell (3).

2. The mud cake crushing device for urban sewage treatment according to claim 1 is characterized in that: The top and bottom of the shell (3) are both provided with through holes, and the feed inlet (4) and the discharge inlet (9) both pass through the center of the through holes.

3. The mud cake crushing device for urban sewage treatment according to claim 1 is characterized in that: The crushing assembly (6) comprises a limit slider (601) slidably connected to both sides of the housing (3); a connecting plate (602) is fixedly connected to the two limit sliders (601); a rotating shaft (603) is rotatably connected between the two connecting plates (602); a crushing roller (604) is fixedly connected to the outer wall of the rotating shaft (603); a mounting plate (605) is fixedly connected to the front and rear of one side of the housing (3); a transmission screw (606) is rotatably connected between the two mounting plates (605); one of the limit sliders (601) is threadedly connected to the outer wall of the transmission screw (606); one of the mounting plates (605) is fixedly connected to a driving motor (607); and an output shaft of the driving motor (607) is connected to one end of the transmission screw (606).

4. The mud cake crushing device for urban sewage treatment according to claim 3 is characterized in that: The two connecting plates (602) are each provided with an axial hole, and the rotating shaft (603) passes through the center of the axial hole.

5. The mud cake crushing device for urban sewage treatment according to claim 3 is characterized in that: The linkage control assembly (7) comprises a mounting shaft (701) rotatably connected to the center of one of the limit sliders (601); the outer wall of the rotating shaft (603) is fixedly connected to a first sprocket (702); the outer wall of the mounting shaft (701) is fixedly connected to a second sprocket (703); a chain (704) is installed between the first sprocket (702) and the second sprocket (703); the outer wall of the mounting shaft (701) is fixedly connected to a gear (705); and the housing (3) is fixedly connected to a toothed plate (706) meshing with the gear (705).

6. A mud cake crushing device for urban sewage treatment according to claim 5, characterized in that: A mounting hole corresponding to the mounting shaft (701) is provided at the center of one of the limit sliding blocks (601), and the mounting shaft (701) passes through the center of the mounting hole.

7. The mud cake crushing device for urban sewage treatment according to claim 1 is characterized in that: The plurality of crushing blades (8) and the feed port (4) are prefabricated integrated structures.

Images