CN214861688U

CN214861688U - Filter pressing device

Info

Publication number: CN214861688U
Application number: CN202120937558.8U
Authority: CN
Inventors: 朱小林; 覃炜华
Original assignee: Guangdong Baofujia Environmental Protection Technology Co Ltd; South China University of Technology SCUT
Current assignee: Guangdong Baofujia Environmental Protection Technology Co Ltd; South China University of Technology SCUT
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-26
Anticipated expiration: 2031-04-30

Abstract

A filter pressing device comprises an upper filter pressing component and a lower filter pressing component, wherein the upper filter pressing component and the lower filter pressing component respectively comprise a filter screen, an extrusion belt, a driving wheel and a plurality of rolling rollers; the filter screen surrounds the outer sides of the plurality of rolling rollers, the extrusion belt surrounds the outer sides of the driving wheels, and the extrusion belt is positioned in an area surrounded by the filter screen; the extrusion belt comprises a belt and a toothed belt, the outer side of the belt faces the inner side of the filter screen, the inner side of the belt is attached to the outer side of the toothed belt, and the inner side of the toothed belt is of a concave-convex structure; go up filter pressing subassembly and lower filter pressing subassembly cooperation installation to go up and form the filter pressing district between filter screen of filter pressing subassembly and the filter screen of lower filter pressing subassembly. The utility model discloses the structure is light, and material cost is low, and long service life belongs to the sludge dewatering field.

Description

Filter pressing device

Technical Field

The utility model relates to a sludge dewatering field, concretely relates to filter-pressing device.

Background

The environmental problems caused by the rapid development of industrialization are very severe nowadays. The treatment of sludge wastewater becomes a major difficulty to be solved in environmental problems, and at present, a sludge dewatering machine is generally adopted to dewater sludge wastewater, and the commonly used sludge dewatering machine comprises a plate frame machine, a belt type machine, a screw stacking machine and the like. The working method of the belt type dehydrator can realize continuous production, and the working principle of the common belt type dehydrator is that a motor is used for providing power for driving parts such as gears, rollers and the like to drive a transmission mechanism to transmit, and materials are conveyed to a filter pressing area through a filter screen to be subjected to filter pressing dehydration, so that the dehydration effect is achieved, but the dehydration effect of the common belt type dehydrator is not ideal. The press filter mechanism of the belt type dehydrator with the publication number of CN110550842A has good dehydration effect. The filter pressing crawler belt has the effect of reducing the load of a rotating shaft and a chain wheel, and can reduce the consumption of a power source and improve the running stability of the filter pressing crawler belt when being applied to filter pressing.

However, the mechanism has not been perfected, such as the components of the track transmission mechanism are complex, the stress distribution is uneven, the weight of the rib plate is large, the maintenance difficulty is large after abrasion, the cost is high, and the like.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model aims at: provides a filter pressing device which is relatively portable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a filter pressing device comprises an upper filter pressing component and a lower filter pressing component, wherein the upper filter pressing component and the lower filter pressing component respectively comprise a filter screen, an extrusion belt, a driving wheel and a plurality of rolling rollers; the filter screen surrounds the outer sides of the plurality of rolling rollers, the extrusion belt surrounds the outer sides of the driving wheels, and the extrusion belt is positioned in an area surrounded by the filter screen; the extrusion belt comprises a belt and a toothed belt, the outer side of the belt faces the inner side of the filter screen, the inner side of the belt is attached to the outer side of the toothed belt, and the inner side of the toothed belt is of a concave-convex structure; go up filter pressing subassembly and lower filter pressing subassembly cooperation installation to go up and form the filter pressing district between filter screen of filter pressing subassembly and the filter screen of lower filter pressing subassembly. After the structure is adopted, the lower filter pressing component is positioned below the upper filter pressing component, when the filter pressing machine works, materials pass through the filter pressing area, the outer side of the extrusion belt props against the inner side of the filter screen towards the direction close to the filter pressing area, so that the materials in the filter pressing area are extruded, and the rib plate structure in the existing dehydrator is replaced by the combination of the toothed belt and the belt, so that the weight of the filter pressing machine can be greatly reduced, and the material cost can be effectively reduced.

Preferably, the transmission wheel is a gear, and the inner side of the toothed belt is meshed with the gear. After adopting this kind of structure, the transmission is reliable, has very high flexibility and suitability. The gear drives the toothed belt and the belt to rotate together when being rotated by the power provided by the motor, and the filter pressing area is extruded, so that continuous dehydration is realized.

Preferably, the toothed belt is composed of a plurality of tooth block units arranged in sequence, and the outer sides of the tooth block units are of a plane structure and are adhered to the inner side surface of the belt. After adopting this kind of structure, the tooth piece unit atress is even steady.

Preferably, the tooth block unit has a tooth groove formed on an inner side thereof, and the tooth groove has a trapezoidal cross section. After the structure is adopted, the plurality of tooth block units form the toothed belt, so that the inner side of the toothed belt is concave-convex.

Preferably, the number of the extrusion belts is multiple, the multiple extrusion belts are arranged side by side and surround the outer side of the driving wheel, an upper drainage gap is arranged between the adjacent extrusion belts in the upper filter pressing assembly, and a lower drainage gap is arranged between the adjacent extrusion belts in the lower filter pressing assembly. After adopting this kind of structure, water among the material permeates the filter screen during the filter-pressing after, flows away through last drainage clearance and lower drainage clearance, and the width of cingulum can be processed into not equidimension according to actual production needs, and last drainage clearance and lower drainage clearance also can be adjusted as required.

Preferably, the driving wheel comprises a driving gear and a driven gear, the extrusion belt surrounds the driving gear and the driven gear, a space surrounded by the extrusion belt is composed of a middle rectangular space and semicircular spaces at two ends, and the driving gear and the driven gear are respectively embedded into the semicircular spaces at two ends and are respectively matched with the extrusion belt for transmission. After the structure is adopted, the extrusion belt is enclosed into a runway shape, and the driving gear and the driven gear are respectively positioned at two ends for transmission.

Preferably, the filter pressing device further comprises a rack and a motor, the motor is mounted on the rack, and an output shaft of the motor is connected with the driving gear and drives the driving gear to rotate.

Preferably, the filter pressing device further comprises an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is positioned on the inner side of the extrusion belt of the upper filter pressing assembly, the lower supporting plate is positioned on the inner side of the extrusion belt of the lower filter pressing assembly, and the upper supporting plate and the lower supporting plate are connected through an interlocking mechanism. After the structure is adopted, the upper supporting plate and the lower supporting plate bear the stress component of the pressure filtration pressure, and the plate surface size can be designed according to the size of the pressure filtration area.

Preferably, the interlocking mechanism comprises an upper connecting block, a lower connecting block, a pull rod, an upper fastening piece and a lower fastening piece, the upper connecting block is fixedly connected with the upper supporting plate, the lower connecting block is fixedly connected with the lower supporting plate, through holes are formed in the upper connecting block and the lower connecting block, and the pull rod penetrates through the upper connecting block and the lower connecting block through the through holes; the upper fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, the upper fastening piece is far away from the lower connecting block relative to the upper connecting block, the lower fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, and the lower fastening piece is far away from the upper connecting block relative to the lower connecting block.

Preferably, the width of the extrusion belt is 10mm to 30mm, the width of the upper drainage gap is 2mm to 4mm, and the width of the lower drainage gap is 2mm to 4 mm. After adopting this kind of structure, can effectively discharge the moisture that produces in the filter-pressing process, prevent that moisture from piling up and causing the trouble.

The number of the rollers is determined according to the actual designed structure, and the rollers serve as transmission elements and are used for supporting the filter screen and matching the filter screen for transmission. The specification of the motor is selected according to the stress during working, and the motor is used for providing power for the gear and then driving the whole filter pressing device by the rotation of the gear. The gear is selected to have different specifications according to actual conditions and is in combined and matched transmission with the toothed belt.

The surface of the toothed belt in contact with the belt is processed into a smooth plane, namely, the outer side of the toothed belt and the inner side of the belt are both processed into smooth planes, so that the stress condition of the toothed belt is equal to the stress on the surface, the toothed belt is not easy to damage during working, and the service life of the toothed belt can be greatly prolonged.

Go up backup pad and bottom suspension fagging and take the support component of atress as the extrusion, its surface machining is the smooth surface, and the frictional force that produces when making it contact with the cingulum reduces, improves life, uses interlocking mechanism to lock backup pad and bottom suspension fagging, can adjust interlocking mechanism according to the thickness size flexibility in filter-pressing district, convenient safety.

In general, the utility model has the advantages as follows: the whole weight is small, the material cost is low, the continuous production can be realized, the efficiency is high, the abrasion is not easy, the maintenance is easy, and the service life is long.

Drawings

FIG. 1 is a schematic view of a filter press apparatus.

Fig. 2 is a perspective view of the connection of the lower filter pressing assembly, the lower support plate and the self-locking mechanism.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a front view of the tooth block unit.

Wherein, 1 is last filter pressing subassembly, 2 is the filter pressing subassembly down, 3 is the filter screen, 4 is the belt, 5 is the cingulum, 6 is the drive wheel, 7 is last backup pad, 8 is last connecting block, 9 is last fastener, 10 is the pull rod, 11 is the lower support plate, 12 is lower connecting block, 13 is lower fastener.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments.

Example one

A filter pressing device comprises an upper filter pressing component 1 and a lower filter pressing component 2, wherein the upper filter pressing component and the lower filter pressing component respectively comprise a filter screen 3, an extrusion belt, a driving wheel 6 and a plurality of rolling rollers; the filter screen surrounds the outer sides of the plurality of rolling rollers, the extrusion belt surrounds the outer sides of the driving wheels, and the extrusion belt is positioned in an area surrounded by the filter screen; the upper filter pressing assembly and the lower filter pressing assembly are installed in a matched mode, so that a filter screen of the upper filter pressing assembly and a filter screen of the lower filter pressing assembly form a filter pressing area; the extrusion area includes belt 4 and cingulum 5, and the outside of belt is towards the inboard of filter screen, and the inboard laminating of the outside of inboard and cingulum of belt, the inboard of cingulum be concave-convex structure.

The driving wheel is a gear, and the inner side of the toothed belt is meshed with the gear.

The toothed belt consists of a plurality of tooth block units which are sequentially arranged, and the outer sides of the tooth block units are of a plane structure and are adhered to the inner side surface of the belt.

Tooth grooves are formed in the inner sides of the tooth block units, and the cross sections of the tooth grooves are trapezoidal.

The number of the extrusion belts is multiple, the multiple extrusion belts surround the outer sides of the driving wheels side by side, an upper drainage gap is arranged between the adjacent extrusion belts in the upper filter pressing assembly, and a lower drainage gap is arranged between the adjacent extrusion belts in the lower filter pressing assembly.

The drive wheel includes driving gear and driven gear, and driving gear and driven gear are encircleed to the extrusion area, and the space that the extrusion area encloses comprises the semicircle space at middle rectangle space and both ends, and driving gear and driven gear imbed respectively in the semicircle space at both ends and respectively with the cooperation transmission of extrusion area.

The filter pressing device further comprises a rack and a motor, wherein the motor is installed on the rack, and an output shaft of the motor is connected with the driving gear and drives the driving gear to rotate.

The filter pressing device further comprises an upper supporting plate 7 and a lower supporting plate 11, wherein the upper supporting plate is located on the inner side of the extrusion belt of the upper filter pressing assembly, the lower supporting plate is located on the inner side of the extrusion belt of the lower filter pressing assembly, and the upper supporting plate and the lower supporting plate are connected through an interlocking mechanism.

The interlocking mechanism comprises an upper connecting block 8, a lower connecting block 12, a pull rod 10, an upper fastening piece 9 and a lower fastening piece 13, the upper connecting block is fixedly connected with the upper supporting plate, the lower connecting block is fixedly connected with the lower supporting plate, through holes are formed in the upper connecting block and the lower connecting block, and the pull rod penetrates through the upper connecting block and the lower connecting block through the through holes; the upper fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, the upper fastening piece is far away from the lower connecting block relative to the upper connecting block, the lower fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, and the lower fastening piece is far away from the upper connecting block relative to the lower connecting block.

The width of the extrusion belt is 10mm-30mm, the width of the upper drainage gap is 2mm-4mm, and the width of the lower drainage gap is 2mm-4 mm.

When the filter pressing device works, materials are conveyed to the filter screen firstly, the roller rotates to drive the filter screen to transmit, and then the materials are conveyed to the filter pressing area to realize dehydration.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A filter press device, characterized in that: the device comprises an upper filter pressing component and a lower filter pressing component, wherein the upper filter pressing component and the lower filter pressing component respectively comprise a filter screen, an extrusion belt, a driving wheel and a plurality of rolling rollers;

the filter screen surrounds the outer sides of the plurality of rolling rollers, the extrusion belt surrounds the outer sides of the driving wheels, and the extrusion belt is positioned in an area surrounded by the filter screen; the extrusion belt comprises a belt and a toothed belt, the outer side of the belt faces the inner side of the filter screen, the inner side of the belt is attached to the outer side of the toothed belt, and the inner side of the toothed belt is of a concave-convex structure;

go up filter pressing subassembly and lower filter pressing subassembly cooperation installation to go up and form the filter pressing district between filter screen of filter pressing subassembly and the filter screen of lower filter pressing subassembly.

2. A filter press as set forth in claim 1 wherein: the driving wheel is a gear, and the inner side of the toothed belt is meshed with the gear.

3. A filter press as set forth in claim 2 wherein: the toothed belt consists of a plurality of tooth block units which are sequentially arranged, and the outer sides of the tooth block units are of a plane structure and are adhered to the inner side surface of the belt.

4. A filter press as set forth in claim 3 wherein: tooth grooves are formed in the inner sides of the tooth block units, and the cross sections of the tooth grooves are trapezoidal.

5. A filter press as set forth in claim 1 wherein: the number of the extrusion belts is multiple, the multiple extrusion belts surround the outer sides of the driving wheels side by side, an upper drainage gap is arranged between the adjacent extrusion belts in the upper filter pressing assembly, and a lower drainage gap is arranged between the adjacent extrusion belts in the lower filter pressing assembly.

6. A filter press as set forth in claim 2 wherein: the drive wheel includes driving gear and driven gear, and driving gear and driven gear are encircleed to the extrusion area, and the space that the extrusion area encloses comprises the semicircle space at middle rectangle space and both ends, and driving gear and driven gear imbed respectively in the semicircle space at both ends and respectively with the cooperation transmission of extrusion area.

7. A filter press as set forth in claim 6 wherein: the motor is arranged on the rack, and an output shaft of the motor is connected with the driving gear and drives the driving gear to rotate.

8. A filter press as set forth in claim 1 wherein: the device is characterized by further comprising an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is located on the inner side of the extrusion belt of the upper filter pressing assembly, the lower supporting plate is located on the inner side of the extrusion belt of the lower filter pressing assembly, and the upper supporting plate and the lower supporting plate are connected through an interlocking mechanism.

9. A filter press as set forth in claim 8 wherein: the interlocking mechanism comprises an upper connecting block, a lower connecting block, a pull rod, an upper fastening piece and a lower fastening piece, the upper connecting block is fixedly connected with the upper supporting plate, the lower connecting block is fixedly connected with the lower supporting plate, through holes are formed in the upper connecting block and the lower connecting block, and the pull rod penetrates through the upper connecting block and the lower connecting block through the through holes;

the upper fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, the upper fastening piece is far away from the lower connecting block relative to the upper connecting block, the lower fastening piece is sleeved on the pull rod and is in threaded connection with the pull rod, and the lower fastening piece is far away from the upper connecting block relative to the lower connecting block.

10. A filter press as set forth in claim 5 wherein: the width of the extrusion belt is 10mm-30mm, the width of the upper drainage gap is 2mm-4mm, and the width of the lower drainage gap is 2mm-4 mm.