CN213708088U - Sludge filter pressing device - Google Patents

Abstract

The utility model discloses a sludge filter pressing device, which comprises a filter belt, a compression roller, a tensioning device, a transmission device, a feeding device and a cleaning device; the filter belt is a closed-loop belt-shaped structure and comprises a collecting region, a filter pressing region, a discharging region, a cleaning region, a transmission region and a tensioning region which are sequentially connected, a press roller comprises a horizontal roller and a vertical roller and is fixed on the bracket, a motor drives a drive roller, and the filter belt is wound on the press roller; the feeding device comprises a material feeding pipe, one end of the material feeding pipe is opened downwards and is positioned above the collecting area of the filter belt; the mud outlet corresponds to the unloading area of the filter belt, and a conveyor is arranged below the mud outlet; the cleaning device corresponds to the cleaning area of the filter belt; the tensioning area of the filter belt in the tensioning device is wound on the periphery of the tensioning roller. The sludge filter pressing device is small and exquisite and simple, and is suitable for the dehydration of industrial sludge, municipal sludge, water supply plant sludge, river and lake bottom sludge and the like.

Description

Sludge filter pressing device

Technical Field

The utility model belongs to the sludge treatment field relates to a sludge dewatering device, especially relates to a single filter belt sludge press filtration device.

Background

Compared with places with less sludge production, the conventional sludge dewatering equipment has the defects of high design capacity, more auxiliary equipment, large occupied area, high operation energy consumption and the like, so that the equipment investment is overhigh, the installation and the maintenance are more complicated, and the equipment is not suitable for the places with less sludge production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above circumstances, design out a single filter belt type sludge press filtration device, be applicable to small-size sludge treatment system.

Aiming at the defects and shortcomings of the prior art, the utility model provides a sludge filter-pressing device, which comprises a filter belt, a compression roller, a tensioning device, a feeding device, a transmission device and a cleaning device;

the filter belt is a closed-loop belt-shaped structure, and a collecting region, a filter pressing region, a discharging region, a cleaning region, a transmission region and a tensioning region are sequentially formed in the running process of the sludge filter pressing device by adopting a water-permeable material;

the filter belt is wound on a press roller, the press roller comprises a horizontal roller and a vertical roller, the press roller is fixed on the bracket, and the motor drives the driving roller;

the feeding device comprises a material feeding pipe, one end of the material feeding pipe is opened downwards and is positioned above the collecting area of the filter belt; a press roller is arranged near the filter pressing area of the filter belt, and the press roller is wound with the filter belt and is contacted with the filter pressing area;

a mud outlet is arranged below the discharging area of the filter belt, and a conveyor can be matched below the mud outlet;

the cleaning area of the filter belt corresponds to the cleaning device, and liquid output by the cleaning device is leached or sprayed to the cleaning area of the filter belt;

in the tensioning device, a tensioning area of the filter belt is wound on the periphery of the tensioning roller. The tensioning can be performed manually or automatically by machine, for example by spring tensioning, or manually by a combination of worm wheels and worms, or, as in a preferred embodiment of the invention, by pneumatic tensioning. The pneumatic tensioning device comprises a tensioning cylinder and a tensioning roller, and the tensioning cylinder drives the tensioning roller.

Preferably, a frame is arranged outside the sludge filter pressing device; the frame comprises a bracket and a door, and the bracket is positioned at the lower part of the integral equipment; the door is in accordance with the size of the opening of the whole equipment and covers the opening of the whole equipment.

Preferably, the middle part of a filter pressing area of the filter belt sinks to form a V-shaped feeding area. The utility model discloses a preferred embodiment, adopt the feeding area of middle part subside, can catch up mud and the better water content that reduces mud.

Preferably, the door on the frame is provided with an outwardly projecting door handle or an inwardly recessed grip.

Preferably, the mud outlet is provided with a scraper, and the tip of the scraper is contacted and pressed with the discharging area of the filter belt.

Preferably, the sludge filter pressing device further comprises a transmission device, the transmission device comprises a horizontal roller, and a transmission area of the filter belt is in contact with the horizontal roller.

Preferably, transmission include motor, sprocket and initiative compression roller, the filter belt surrounds the periphery of sprocket and compression roller, the motor passes through sprocket drive and drives the rotation of initiative compression roller.

Preferably, the belt is a coherent and foldable belt.

Preferably, the filter belt has a crease at the center seam.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect:

(1) the equipment only has one filter belt, and the equipment structure is simple.

(2) The filter belt is self-adaptive in deviation correction, a deviation correction mechanism is not needed, and the stability is high.

(3) In the extrusion process, the filter belt is folded along the middle part, and the lower part is closed, so that the sludge is prevented from being extruded out of the edge of the filter belt in the operation process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a perspective view of the present invention.

Wherein, 1 is a frame, 2 is a filter belt, 3 is a press roll, 4 is a feeding device, 5 is a tensioning device, 6 is a transmission device, and 7 is a cleaning device. I is the collection zone, II is the filter-pressing zone, III is the discharge zone, IV is the cleaning zone, V is the drive zone, and VI is the tensioning zone.

Detailed Description

The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Example 1

The utility model discloses a single filter belt sludge press filtration device comprises frame, transmission, compression roller, overspeed device tensioner, feed arrangement, filter belt, belt cleaning device.

A frame: the frame consists of a bracket and a door, and the bracket is used for supporting the whole equipment; the door realizes the sealing of the whole equipment and makes the appearance beautiful;

the transmission device comprises: the motor rotates, and the driving compression roller is driven to rotate through the chain wheel transmission, so that the filter belt advances forwards along with the rotation direction of the compression roller;

pressing a roller: the compression roller consists of a horizontal roller and a vertical roller, and the horizontal roller is mainly used for tensioning and driving the filter belt; the vertical stick is mainly used for realizing the filter pressing of the sludge.

A tensioning device: for tensioning the belt.

A feeding device: the device is used for introducing and distributing materials.

A filter belt: the filter belt is a foldable filter belt in the middle, the filter belt at the filter pressing section is folded to clamp sludge, and the filter belt at the tensioning, transmission, cleaning and other positions is unfolded.

A cleaning device: the filter belt is washed and cleaned.

The compression roller is fixed on the support, the filter belt is wound on the compression roller, the motor drives the driving roller to drive the filter belt to move forwards along with the steering of the compression roller, and a collecting region, a compression filtering region, a discharging region, a cleaning region, a transmission region and a tensioning region are sequentially formed.

Example 2

When the single-filter-belt sludge filter pressing device in the embodiment 1 is used, the tensioning cylinder pushes the tensioning roller to tension the filter belt, the sludge after being added with the chemicals enters the collecting region of the filter belt through the sludge inlet pipe to realize flocculation, and the sludge with the water content of about 75-95% is obtained in the collecting region; then the sludge enters a filter pressing area along with the advancing of the filter belt, and the water content is reduced to 60-80% under the action of the tension pressure of the filter belt and the shearing force generated by the rotation of the filter belt; then the sludge passes through a sludge outlet and scrapes the sludge on the filter belt down by a scraper and falls into a conveyor; and finally, the filter belt is washed through the cleaning device, so that the filter belt is prevented from being blocked by sludge due to long-time running to reduce the water permeability. The filter belt realizes automatic deviation rectification under the combined action of the horizontal roller and the vertical roller.

As those skilled in the art will appreciate, the invention may be embodied in many other specific forms without departing from the spirit or scope thereof. Although embodiments of the present invention have been described, it is to be understood that the present invention should not be limited to those precise embodiments, and that various changes and modifications can be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.

Claims (10)

1. A sludge filter-pressing device is characterized by comprising a filter belt (2), a press roller (3), a feeding device (4), a tensioning device (5), a transmission device (6) and a cleaning device (7);

the filter belt (2) is a closed-loop belt-shaped structure and is made of water-permeable materials and comprises a collecting region, a filter pressing region, a discharging region, a cleaning region, a transmission region and a tensioning region;

the filter belt (2) is wound on the compression roller (3), the compression roller (3) comprises a horizontal roller and a vertical roller, the compression roller (3) is fixed on the support, and the motor drives the driving roller;

the feeding device (4) comprises a material feeding pipe, one end of the material feeding pipe is opened downwards and is positioned above the collecting area of the filter belt (2); a press roll (3) is arranged near the filter pressing area of the filter belt (2), and the filter belt (2) is wound on the press roll (3) and is contacted with the filter pressing area;

a sludge outlet is arranged below the discharging area of the filter belt (2), and a conveyor is arranged below the sludge outlet;

the cleaning area of the filter belt (2) corresponds to the cleaning device (7), and liquid output by the cleaning device (7) is leached or sprayed to the cleaning area of the filter belt (2);

in the tensioning device (5), the tensioning area of the filter belt (2) is wound on the periphery of the tensioning roller.

2. The sludge filter-pressing device as claimed in claim 1, characterized in that a frame (1) is arranged outside the sludge filter-pressing device; the frame (1) comprises a bracket and a door, wherein the bracket is positioned at the lower part of the integral equipment; the door is in accordance with the size of the opening of the whole equipment and covers the opening of the whole equipment.

3. The sludge press filtration device according to claim 1, wherein the middle part of the press filtration zone of the filter belt (2) is sunken to form a V-shaped feeding zone.

4. The sludge press filtration device according to claim 1, wherein the door on the frame (1) is provided with a door handle protruding outwards or a grip portion recessed inwards.

5. The sludge filter pressing device according to the claim 1, characterized in that the sludge outlet is provided with a scraper, the tip of which is contacted and pressed with the discharging area of the filter belt (2).

6. The sludge press filtration device according to the claim 1, wherein the tension device (5) comprises a tension cylinder and a tension roller, and the tension cylinder drives the tension roller.

7. The sludge press filtration device according to claim 1, wherein the transmission device (6) comprises a horizontal roller.

8. The sludge filter pressing device according to claim 1, wherein the transmission device (6) comprises a motor, a chain wheel and a driving compression roller, the filter belt (2) surrounds the periphery of the chain wheel and the driving compression roller, and the motor drives the driving compression roller to rotate through the chain wheel transmission.

9. Sludge press filtration apparatus according to any one of claims 1 to 8, wherein said filter belt (2) is a coherent and foldable filter belt (2).

10. A sludge press filtration device according to claim 9, wherein said filter belt (2) is creased at the centre seam position.

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