Filter press with self-cleaning mechanism

Abstract

The filter press structurally comprises an upper filter pressing mechanism, a lower filter pressing mechanism and a spraying mechanism, the upper filter pressing mechanism is arranged in the middle of a mounting frame, the lower filter pressing mechanism is arranged on the upper portion of the mounting frame, and the spraying mechanism is fixedly connected with the upper portion of the mounting frame. The upper filter pressing mechanism comprises an upper filter belt, an upper driving roller and an upper driven roller, the spraying mechanism comprises an upper spraying pipe and a lower spraying pipe, the upper driving roller is rotationally connected with the left side of the mounting frame, the upper driven roller is rotationally connected with the right side of the mounting frame, and the left side of the upper filter belt is connected with the upper driving roller in a winding manner; the right side of the upper filter belt is connected with the upper driven roller in a winding manner, the upper spraying pipe is fixedly connected with the right side of the mounting frame, and the upper spraying pipe is arranged above the upper driven roller. The utility model belongs to the field of filter presses, and particularly relates to a filter press with a self-cleaning mechanism.

Description

Technical Field

[0001] The utility model belongs to the field of filter presses, and specifically refers to a filter press with a self-cleaning mechanism. Background Art

[0002] A filter press is a mechanical device that uses a special filtering medium to apply a certain pressure to an object to allow liquid to permeate. It is a commonly used solid-liquid separation device. Among them, belt filter presses are widely used for sludge dewatering in industries such as urban sewage treatment, chemical industry, oil refining, metallurgy, papermaking, leather making, food, coal washing, and printing and dyeing.

[0003] Belt filter presses are highly automated, energy-saving, efficient, and convenient to use and maintain. They are ideal equipment for sludge dewatering. During the working process of existing filter presses, due to their work of squeezing and filtering water from sludge, the equipment is dirty. And after the filter belt is used for a long time, the gaps in the filter belt are prone to blockage, affecting the water filtration efficiency. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that the filter belt is blocked for a long time, affecting the water filtration efficiency.

[0005] To solve the above problems, the technical solution adopted by the utility model is as follows: The filter press with a self-cleaning mechanism proposed by the utility model includes a mounting frame, and also includes an upper filter press mechanism, a lower filter press mechanism, and a spraying mechanism. The upper filter press mechanism is arranged in the middle of the mounting frame, the lower filter press mechanism is arranged on the upper part of the mounting frame, the spraying mechanism is fixedly connected to the upper part of the mounting frame. The upper filter press mechanism includes an upper filter belt, an upper driving roller, and an upper driven roller. The spraying mechanism includes an upper spraying pipe and a lower spraying pipe. The upper driving roller is rotationally connected to the left side of the mounting frame, the upper driven roller is rotationally connected to the right side of the mounting frame. The left side of the upper filter belt is wound and connected to the upper driving roller, the right side of the upper filter belt is wound and connected to the upper driven roller. The upper spraying pipe is fixedly connected to the right side of the mounting frame, and the upper spraying pipe is arranged above the upper driven roller. The lower filter press mechanism includes a lower filter belt, a lower driving roller, and a lower driven roller. The lower driving roller is rotationally connected to the left side of the mounting frame, the lower driven roller is rotationally connected to the right side of the mounting frame. The left side of the lower filter belt is wound and connected to the lower driving roller, the right side of the lower filter belt is wound and connected to the lower driven roller. The lower spraying pipe is fixedly connected to the left side of the mounting frame, and the upper spraying pipe is arranged above the lower driving roller.

[0006] Further, an upper motor is arranged on the front side of the mounting frame. The upper driving roller is connected through the mounting frame, and the upper driving roller is shaft-connected to the upper motor.

[0007] Further, a lower motor is arranged on the front side of the mounting frame. The lower driving roller is connected through the mounting frame, and the lower driving roller is shaft-connected to the lower motor.

[0008] Further, a pressing roller is provided in the middle of the mounting frame. The pressing roller is rotatably connected to the mounting frame. The lower part of the upper filter belt and the upper part of the lower filter belt are alternately and parallelly wound around the pressing roller. An adjustable-speed motor is axially connected to the outside of part of the pressing rollers.

[0009] Further, a feed trough is fixedly connected to the top end of the mounting frame. A drain port is provided in the middle of the lower filter belt. The drain port is fixedly connected to the mounting frame. A drain port is provided below the drain port. A sludge dropping trough is provided below the lower driven roller. A water dropping trough is provided below the lower filter belt.

[0010] Further, the spraying mechanism further includes a water tank and a connecting pipe. A water pump is provided at the lower part of the water tank. The connecting pipe is of a T-shaped tubular structure. One end of the connecting pipe is connected to the water pump. The other two ends of the connecting pipe are respectively and communicatively connected to the upper spraying pipe and the lower spraying pipe. A water inlet pipe is provided at the upper part of the water tank. Spraying openings are provided at the lower parts of the upper spraying pipe and the lower spraying pipe.

[0011] The beneficial effects achieved by the present utility model with the above structure are as follows:

[0012] The filter press with a self-cleaning mechanism proposed in this solution can wash and clean the filter belt while the filter belt is circulating for pressure filtration by arranging the lower spraying pipe at the upper part of the lower filter belt and the upper spraying pipe on the upper filter belt, which can avoid the blockage of the gaps on the filter belt and increase the pressure filtration rate and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the first overall structural schematic diagram of the present utility model;

[0014] Figure 2 is the second overall structural schematic diagram of the present utility model;

[0015] Figure 3 is the third overall structural schematic diagram of the present utility model;

[0016] Figure 4 is the overall cross-sectional schematic diagram of the present utility model.

[0017] Among them, 1. Mounting frame, 101. Pressing roller, 2. Upper filter pressing mechanism, 201. Upper filter belt, 202. Upper motor, 203. Upper driving roller, 204. Upper driven roller, 3. Lower filter pressing mechanism, 301. Lower filter belt, 302. Lower motor, 303. Lower driving roller, 304. Lower driven roller 4. Spraying mechanism, 401. Water tank, 402. Connecting pipe, 403. Upper spraying pipe, 404. Lower spraying pipe, 405. Spraying opening, 406. Water inlet pipe, 407. Water pump, 5. Water collecting trough, 501. Drain port, 6. Sludge dropping trough, 7. Feed trough, 8. Water dropping trough.

[0018] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. Detailed implementation manners

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] As Figure 1 、 Figure 2 and Figure 3 shown, a filter press with a self-cleaning mechanism proposed by the present utility model includes a mounting frame 1, and further includes an upper filter press mechanism 2, a lower filter press mechanism 3 and a spraying mechanism 4. The upper filter press mechanism 2 is arranged in the middle of the mounting frame 1, the lower filter press mechanism 3 is arranged on the upper part of the mounting frame 1, the spraying mechanism 4 is fixedly connected to the upper part of the mounting frame 1. The upper filter press mechanism 2 includes an upper filter belt 201, an upper driving roller 203 and an upper driven roller 204. The spraying mechanism 4 includes an upper spraying pipe 403 and a lower spraying pipe 404. The upper driving roller 203 is rotatably connected to the left side of the mounting frame 1, the upper driven roller 204 is rotatably connected to the right side of the mounting frame 1. The left side of the upper filter belt 201 is wound and connected to the upper driving roller 203, the right side of the upper filter belt 201 is wound and connected to the upper driven roller 204. The upper spraying pipe 403 is fixedly connected to the right side of the mounting frame 1, and the upper spraying pipe 403 is arranged above the upper driven roller 204. The lower filter press mechanism 3 includes a lower filter belt 301, a lower driving roller 303 and a lower driven roller 304. The lower driving roller 303 is rotatably connected to the left side of the mounting frame 1, the lower driven roller 304 is rotatably connected to the right side of the mounting frame 1. The left side of the lower filter belt 301 is wound and connected to the lower driving roller 303, the right side of the lower filter belt 301 is wound and connected to the lower driven roller 304. The lower spraying pipe 404 is fixedly connected to the left side of the mounting frame 1, and the upper spraying pipe 403 is arranged above the lower driving roller 303.

[0021] As Figure 1 and Figure 3As shown, a top motor 202 is provided on the front side of the mounting bracket 1. The top driving roller 203 is connected through the mounting bracket 1. The top driving roller 203 is axially connected to the top motor 202, which is used to control the rotation of the top driving roller 203 and the transmission of the top filter belt 201. A bottom motor 302 is provided on the front side of the mounting bracket 1. The bottom driving roller 303 is connected through the mounting bracket 1. The bottom driving roller 303 is axially connected to the bottom motor 302, which is used to control the rotation of the bottom driving roller 303 and the transmission of the bottom filter belt 301. A squeezing roller 101 is provided in the middle of the mounting bracket 1. The squeezing roller 101 is rotatably connected to the mounting bracket 1. The lower part of the top filter belt 201 and the upper part of the bottom filter belt 301 are alternately and parallelly wound around the squeezing roller 101. An adjustable-speed motor is axially connected to the outside of part of the squeezing roller 101.

[0022] As Figure 1 and Figure 4 shown, a feed trough 7 is fixedly connected to the top of the mounting bracket 1. Unfiltered slurry is put in. A drain port 501 is provided in the middle of the bottom filter belt 301. The drain port 501 is fixedly connected to the mounting bracket 1. A drain port 501 is provided below the drain port 501, which is used to carry and discharge filtered water. A mud trough 6 is provided below the bottom driven roller 304, which is used to discharge the filtered slurry. A water trough 8 is provided below the bottom filter belt 301, which is used to prevent the residual water stains on the bottom filter belt 301 from dripping down, facilitating cleaning.

[0023] As Figure 2 and Figure 3 shown, the spraying mechanism 4 further includes a water tank 401 and a connecting pipe 402. A water pump 407 is provided at the lower part of the water tank 401. The connecting pipe 402 is provided in a T-shaped tubular structure. One end of the connecting pipe 402 is connected to the water pump 407. The other two ends of the connecting pipe 402 are respectively and communicatively connected to the upper spraying pipe 403 and the lower spraying pipe 404. A water inlet pipe 406 is provided at the upper part of the water tank 401, which is used to add spraying water into the water tank 401. Spraying ports 405 are opened at the lower parts of the upper spraying pipe 403 and the lower spraying pipe 404, which are used to supply water for spraying to the lower spraying pipe 404 and the upper spraying pipe 403.

[0024] During specific use, start the upper motor 202 to rotate the upper driving roller 203 to drive the upper filter belt 201 for transmission, start the lower motor 302 to rotate the lower driving roller 303 to drive the lower filter belt 301 for transmission, and at the same time start the adjustable-speed motor to adjust the rotation speed of other pressing rollers 101. The upper filter belt 201 and the lower filter belt 301 start to move around the pressing rollers 101. Inject the pressure-filtered mud from the feed tank 7 onto the upper part of the upper filter belt 201. The mud drops along the upper filter belt 201 to the gap between the upper filter belt 201 and the lower filter belt 301, and moves between the pressing rollers 101, the upper filter belt 201 and the lower filter belt 301 to be squeezed for water filtration. The filtered water drops from the gaps of the lower filter belt 301 onto the drain outlet 501 and is discharged through the drain outlet 501. At the same time, the squeezed sludge drops from the right side of the lower filter belt 301 onto the sludge trough 6 to complete collection. At the same time, start the water pump 407 to pump the clean water in the water tank 401, and spray and wash the upper filter belt 201 and the lower filter belt 301 through the upper spray pipe 403 and the lower spray pipe 404 respectively. The cleaning can be completed while working, with high cleaning efficiency, and it can avoid the filter belt from being blocked due to sediment accumulation in the filter belt gaps, ensuring the cleaning rate.

[0025] The above describes the present invention and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments to this technical solution without creative work without departing from the creative purpose of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. A filter press with a self-cleaning mechanism, comprising a mounting frame, characterized in that: It also includes an upper filter press mechanism, a lower filter press mechanism and a spray mechanism, wherein the upper filter press mechanism is arranged in the middle of the mounting frame, the lower filter press mechanism is arranged in the upper part of the mounting frame, the spray mechanism is fixedly connected to the upper part of the mounting frame, the upper filter press mechanism includes an upper filter belt, an upper active roller and an upper driven roller, the spray mechanism includes an upper spray pipe and a lower spray pipe, the upper active roller is rotatably connected to the left side of the mounting frame, the upper driven roller is rotatably connected to the right side of the mounting frame, the left side of the upper filter belt is wound around the upper active roller, and the upper filter belt The right side is wound and connected with the upper driven roller, the upper spray pipe is fixedly connected to the right side of the mounting frame, the upper spray pipe is arranged above the upper driven roller, the lower filter press mechanism includes a lower filter belt, a lower active roller and a lower driven roller, the lower active roller is rotatably connected to the left side of the mounting frame, the lower driven roller is rotatably connected to the right side of the mounting frame, the left side of the lower filter belt is wound and connected with the lower active roller, the right side of the lower filter belt is wound and connected with the lower driven roller, the lower spray pipe is fixedly connected to the left side of the mounting frame, and the upper spray pipe is arranged above the lower active roller.

2. A filter press with a self-cleaning mechanism according to claim 1, characterized in that: An upper motor is arranged at the front side of the mounting frame, the upper active roller is connected with the mounting frame through-and-through, and the upper active roller is axially connected with the upper motor.

3. A filter press with a self-cleaning mechanism according to claim 2, characterized in that: A lower motor is arranged at the front side of the mounting frame, the lower active roller is connected with the mounting frame through-and-through, and the lower active roller is axially connected with the lower motor.

4. A filter press with a self-cleaning mechanism according to claim 3, characterized in that: A pressing roller is arranged in the middle of the mounting frame, the pressing roller is rotatably connected to the mounting frame, the lower part of the upper filter belt and the upper part of the lower filter belt are alternately and parallelly wound on the pressing roller, and the outer shaft of some of the pressing rollers is connected to an adjustable speed motor.

5. A filter press with a self-cleaning mechanism according to claim 4, characterized in that: A feed trough is fixedly connected to the top of the mounting frame, a drain outlet is provided in the middle of the lower filter belt, the drain outlet is fixedly connected to the mounting frame, a drain outlet is provided at the lower part of the drain outlet, a mud drop trough is provided below the lower driven roller, and a water drop trough is provided below the lower filter belt.

6. A filter press with a self-cleaning mechanism according to claim 5, characterized in that: The spray mechanism also includes a water tank and a connecting pipe. A water pump is provided at the lower part of the water tank. The connecting pipe is set as a T-shaped tubular structure. One end of the connecting pipe is connected to the water pump, and the other two ends of the connecting pipe are respectively connected to the upper spray pipe and the lower spray pipe. A water inlet pipe is provided at the upper part of the water tank, and spray ports are opened at the lower parts of the upper spray pipe and the lower spray pipe.

Images