CN218306614U

CN218306614U - High-efficient and high treatment capacity's concentrated filter-pressing all-in-one

Info

Publication number: CN218306614U
Application number: CN202123170847.9U
Authority: CN
Inventors: 袁方; 刘庆涛; 赖奕澎; 王雪梅
Original assignee: Beijing Shuimu Yihua Environmental Protection Technology Co ltd
Current assignee: Beijing Shuimu Yihua Environmental Protection Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2023-01-17
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a high-efficient and big handling capacity's concentrated filter-pressing all-in-one, it includes filter pressing device and arranges the enrichment facility above that in. The concentration device comprises a first frame; the first frame is provided with a mud feeding device, a mud distributing device, a first driving device, a first press roller group, a first upper filter belt and a first lower filter belt; the first press roll group comprises a plurality of groups of staggered press rolls and a group of large-diameter press rolls; the first upper filter belt and the first lower filter belt are respectively wound on the press roller; the upper space of the first upper filter belt is a gravity concentration area; the filter pressing device comprises a second frame; the second frame is provided with a second driving device, a second compression roller group, a second upper filter belt and a second lower filter belt; the second compression roller set comprises a plurality of groups of compression rollers; and the second upper filter belt and the second lower filter belt are respectively wound on the press roller. The utility model has the advantages that the long-distance concentration design can improve the treatment capacity; the first compression roller set and the second compression roller set in the all-in-one machine are arranged in a low-pressure, medium-pressure and high-pressure compression roller set mode in sequence, so that the mechanical compression efficiency can be obviously improved; can reduce the water content of the sludge with the water content of 99 percent to 70 to 73 percent.

Description

High-efficient and high treatment capacity's concentrated filter-pressing all-in-one

Technical Field

The utility model relates to a useless field of handling of dirt specifically is a high-efficient and big handling capacity's concentrated filter-pressing all-in-one.

Background

At present, the existing dewatering equipment has the problems of small treatment capacity, low dewatering efficiency and high water content of mud cakes, and the water content of dewatered sludge is about 82 percent, so that the market demand can not be met.

Disclosure of Invention

In order to solve the problems, the following technical scheme is adopted in the application:

according to an aspect of this application, provide a concentration filter pressing all-in-one of high efficiency and big handling capacity, its characterized in that: the integrated machine comprises a filter pressing device and a concentration device arranged on the filter pressing device. The thickening apparatus comprises a first frame; the first rack is provided with a mud feeding device, a mud distributing device, a first driving device, a first compression roller set, a first upper filter belt and a first lower filter belt; the first compression roller group comprises a plurality of groups of staggered compression rollers and a group of large-diameter compression rollers; the compression roller is fixed on the first rack through a bearing mounting seat; the mud distributing device is arranged at the upper part of the first upper filter belt; the first driving device is arranged at the downstream of the first press roll group; the first upper filter belt and the first lower filter belt are made of polyester materials; the upper space of the first upper filter belt is a gravity concentration area; the first upper filter belt and the first lower filter belt are respectively wound on the first press roller group to form a low-pressure dewatering area; the filter pressing device comprises a second frame; the second frame is provided with a second driving device, a second compression roller group, a second upper filter belt and a second lower filter belt; the second compression roller set comprises a plurality of groups of compression rollers; the compression roller is fixed on the second rack through a bearing mounting seat; the second upper filter belt and the second lower filter belt are respectively wound on the second press roller group to form a middle-high pressure dehydration area;

the mud feeding device is arranged at the upper part of the first upper filter belt and is provided with a mud feeding chamber, and a first mud feeding port is formed in the mud feeding chamber; a first sludge outlet is formed between the two press rolls in the first driving device; a second sludge inlet is formed in the upper part of the second upper filter belt; the second sludge inlet is arranged corresponding to the first sludge outlet; a second sludge outlet is formed between the two press rolls in the second driving device; sludge firstly enters a gravity concentration area from a first sludge inlet to be subjected to gravity dehydration, then enters a first compression roller set to be subjected to low-pressure dehydration, then is discharged from a concentration device through a first sludge outlet, and then enters a filter pressing device through a second sludge inlet, and after the second compression roller set is subjected to medium-high pressure dehydration, the filter pressing device is discharged from a second sludge outlet.

The mud distributing device is provided with a plurality of groups of mud rakes which are distributed in a staggered mode.

The front end of the first compression roller group is provided with a plurality of groups of small-diameter compression rollers which are arranged in a staggered mode, and the rear end of the first compression roller group is provided with a group of large-diameter compression rollers.

The second compression roller group comprises three groups of vertically arranged compression roller groups, namely a low-pressure compression roller group, a middle compression roller group and a plurality of groups of high-pressure compression roller groups in sequence; the diameter of the compression roller is gradually reduced along the filter belt advancing direction, the number of the compression rollers is gradually increased along the filter belt advancing direction, and the wrap angle of the filter belt wound on the compression roller is gradually increased.

2 groups of tensioning devices are arranged in the concentration device and the filter pressing device, and the total number of the tensioning devices is 4, and each group of tensioning devices comprises two tensioning cylinders and tensioning rollers connected with the two tensioning cylinders; the tensioning cylinders are respectively fixed on two sides of the frame; and the stretching action of the tensioning cylinder drives the tensioning roller to move back and forth along the advancing direction of the filter belt.

2 groups of deviation rectifying devices are arranged in the concentration device and the filter pressing device, the total number of the deviation rectifying devices is 4, and each group of deviation rectifying device comprises two deviation rectifying cylinders and a tensioning roller connected with the deviation rectifying cylinders; the deviation rectifying cylinders are respectively fixed on two sides of the frame; the telescopic action of the deviation rectifying cylinder drives the deviation rectifying roller to move back and forth along the advancing direction of the filter belt. And limit switches of the deviation rectifying device are arranged on two sides of the filter belt.

2 groups of cleaning devices are arranged in the concentration device and the filter pressing device, the total number of the cleaning devices is 4, and each group of cleaning devices comprises a water retaining cover and a cleaning pipe connected with the water retaining cover; the water retaining covers are fixed on two sides of the rack; the cleaning pipe is arranged inside the water retaining cover, and a plurality of groups of cleaning nozzles are arranged on the cleaning pipe.

All be equipped with drive arrangement in enrichment facility and the filter pressing device, first drive arrangement includes motor, external gear group, final drive roller, follows the driving roller. The upper/first lower filter belt is wound on the driving/driven rollers respectively according to the traveling direction. The motor drives the main driving roller to rotate, and the auxiliary driving roller is driven to rotate together through the external gear set, so that the upper/first lower filter belts are driven to synchronously advance together. Different from the first driving device, the second driving device is additionally provided with a chain transmission to drive the main driving roller to rotate.

And a first scraper blade is arranged at the tensioning device of the first upper filter belt in the thickening device, and sludge falls onto the first lower filter belt in the thickening device through the first scraper blade. And a second scraper blade is arranged on the outer side of the filter belt wound on the driving/driven transmission roller at the first sludge outlet, and sludge falls into the filter pressing device through the second scraper blade above the second upper filter belt. And a third scraper is arranged at the position of a driving/driven transmission roller in the second driving device in the filter pressing device, and sludge falls into a discharging plate through the third scraper and is discharged.

The utility model discloses an advantage and beneficial effect do:

the utility model discloses a high-efficient and big handling capacity's concentrated filter-pressing all-in-one, including enrichment facility and filter pressing device. Firstly, an air cylinder in the tensioning device extends out to generate tension on the filter belt, and the tension acts on the compression roller to generate extrusion force. Meanwhile, the driving device rotates to drive the filter belt to advance, and the water of the sludge in the upper filter belt and the lower filter belt is extruded out by means of extrusion force during the advancing of the filter belt. Meanwhile, due to the relative movement of the upper filter belt and the lower filter belt, shearing force is generated on the sludge, and the improvement of the dehydration efficiency is promoted.

The mud of moisture content 99% is spread evenly on first upward filter belt through advancing the mud device, and under the effect of gravity, the surface water mass separation in the mud is discharged through the clearance separation of first upward filter belt, and solid particle is held back on first upward filter belt, and along with advancing of first upward filter belt, the solid particle of holding back is disturbed by the rake among the mud distribution device simultaneously, further takes off a part of moisture. The long-distance gravity concentration area is arranged, so that the sludge treatment capacity is increased, the gravity concentration dehydration time is prolonged, and the sludge dehydration efficiency is increased. The sludge after gravity concentration and dehydration is changed into slurry-like thin-layer sludge with poor fluidity.

This equipment has increased the arrangement mode that first compression roller group adopted front end multiunit minor diameter compression roller, a set of major diameter compression roller of rear end, and the crisscross extrusion of front end has reduced the risk of leaking mud, progressively extrudees the moisture in the mud simultaneously, and the major diameter compression roller that the rear end was arranged and the design of the big cornerite of winding filter belt have increased the extrusion time, can effectively extrude a large amount of moisture in the thin layer mud.

The second upper filter belt and the second lower filter belt in the filter pressing device are made of special materials, can bear high tensile force and excellent dehydration capacity, and effectively remove moisture in sludge.

The second compression roller group comprises three groups of vertically arranged compression roller groups, namely a low-pressure compression roller group, a middle-pressure compression roller group and a plurality of groups of high-pressure compression roller groups in sequence; the diameter of the compression roller is gradually reduced along the advancing direction of the filter belt, and the number of the compression rollers is gradually increased along the advancing direction of the filter belt, so that the extrusion force applied to the sludge is gradually increased, and the water in the sludge is gradually extruded. Meanwhile, the wrap angle of the filter belt wound on the compression roller is gradually increased, so that more water in the sludge can be extruded, and the water content of the sludge is reduced.

The long-distance gravity concentration of the concentration and filter pressing integrated machine realizes large treatment capacity, and can treat sludge with 99 percent of water content from 40m ³ H is increased to 60m ³ H is used as the reference value. The yield is improved by 1.5 times. The water content of the dewatered sludge can reach 73-70%. The weight can be reduced by 26 percent on the premise of not adding a regulator and not increasing the quality of the dry mud.

The utility model discloses an equipment treatment volume is big, and is efficient, and the energy consumption is low, and degree of automation is high. The reduction of the water content of the sludge can reduce the energy consumption of composting, burning or drying treatment in the later period and reduce the treatment cost.

The filter belt is provided with a deviation correcting device and a displacement sensor in the advancing direction respectively, when the filter belt deviates left and right relative to the rollers, the deviation degree can be detected in time, and the deviation of the filter belt is adjusted through the deviation correcting device, so that the filter belt can keep continuous and stable linear operation between the compression rollers.

The filter pressing device is provided with a filter belt squeezing device in the return position of the second upper filter belt and/or the second lower filter belt, the filter belt squeezing device is composed of three groups of horizontally arranged press rollers, and the cleaned second upper filter belt and/or the second lower filter belt of the filter belt are squeezed and dehydrated through the press rollers, so that the cleaned and dried filter belt enters the next squeezing cycle.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic view of the structure of the concentration device of the present invention

Wherein: 1-concentration device, 2-filter pressing device, 1-1-first frame, 1-2-tensioning device, 1-3-tensioning device, 1-4-first upper filter belt, 1-5-first lower filter belt, 1-6-mud distribution device, 1-7-first press roller set, 1-8-first driving device, 1-9-mud inlet device, 1-10-deviation correcting device, 1-11-deviation correcting device, 1-12 cleaning device, 1-13 cleaning device, 2-1-second frame, 2-2-tensioning device, 2-3-tensioning device, 2-4-second upper filter belt, 2-5-second lower filter belt, 2-6-second press roller set, 2-7-second driving device, 2-8-deviation correcting device, 2-9-deviation correcting device, 2-10 cleaning device and 2-11 cleaning device

Detailed Description

The present invention is further described in detail below with reference to specific examples, which are intended to be illustrative only, not limiting and should not be construed as limiting the scope of the invention.

As shown in figure 1, the utility model relates to a high-efficient and big handling capacity's concentrated filter-pressing all-in-one. The integrated machine comprises a belt type filter pressing device 2 and a concentration device 1 arranged on the belt type filter pressing device. As shown in fig. 2, the concentration device 1 comprises a first frame 1-1, and the first frame 1-1 is provided with a mud feeding device 1-9, a mud distributing device 1-6, a first driving device 1-8, a first press roll group 1-7, a first upper filter belt 1-4 and a first lower filter belt 1-5, wherein the first press roll group 1-7 comprises a plurality of groups of staggered press rolls and a group of large-diameter press rolls, and the press rolls are fixed on the first frame 1-1 through bearing mounting seats; a first drive means 1-8 is arranged downstream of said first set of press rollers 1-7; the mud distributing device 1-6 is arranged at the upper part of the first upper filter belt 1-4; the first upper filter belt 1-4 and the first lower filter belt 1-5 are made of polyester materials; the upper space of the first upper filter belt 1-4 is a gravity concentration area; the first upper filter belt 1-4 and the first lower filter belt 1-5 are respectively wound on the press roll to form a low-pressure dehydration area; the filter pressing device 2 comprises a second frame 2-1; the second frame 2-1 is provided with a second driving device 2-7, a second compression roller group 2-6, a second upper filter belt 2-4 and a second lower filter belt 2-5; the second press roll group 2-6 comprises a plurality of groups of press rolls; the compression roller is fixed on the second frame 2-1 through a bearing mounting seat; the second upper filter belt 2-4 and the second lower filter belt 2-5 are respectively wound on the press roll to form a middle-high pressure dehydration area;

the mud feeding device 1-9 is arranged at the upper part of the first upper filter belt 1-4 and is provided with a mud feeding chamber, and a first mud feeding port is arranged at the mud feeding chamber; a first sludge outlet is arranged between two press rolls in the first driving device 1-8; the upper part of the second upper filter belt 2-4 is provided with a second sludge inlet; the second sludge inlet is arranged corresponding to the first sludge outlet; a second sludge outlet is arranged between two press rolls in the second driving device 2-7; the sludge firstly enters the concentration device from the first sludge inlet, enters the first compression roller sets 1-7 for low-pressure dehydration after passing through a gravity concentration area, then is discharged out of the concentration device 1 through the first sludge outlet, then enters the filter pressing device 2 from the second sludge inlet, and is discharged out of the filter pressing device 2 from the second sludge outlet after being subjected to medium-high pressure dehydration through the second compression roller sets 2-6.

The mud distributing device 1-6 is provided with a plurality of groups of mud rakes which are distributed in a staggered way.

The front end of the first compression roller group 1-7 is provided with a plurality of groups of small-diameter compression rollers which are arranged in a staggered way, and the rear end is provided with a group of large-diameter compression rollers.

The second compression roller group 2-6 comprises three groups of vertically arranged compression roller groups, namely a low-pressure compression roller group, a middle-pressure compression roller group and a plurality of groups of high-pressure compression roller groups in sequence; the diameter of the compression roller is gradually reduced along the advancing direction of the filter belt, and the number of the compression rollers is gradually increased along the advancing direction of the filter belt, so that the extrusion force applied to the sludge is gradually increased, and the water in the sludge is gradually extruded. And meanwhile, the wrap angle of the filter belt wound on the compression roller is gradually increased.

Two groups of tensioning devices are arranged in the concentration device 1 and the filter pressing device 2, the total number of the two groups of tensioning devices is four, and each group of tensioning device comprises a tensioning cylinder and a tensioning roller connected with the tensioning cylinder; tensioning two sides of the cylinder frame; the stretching action of the tensioning cylinder drives the tensioning roller to move back and forth along the advancing direction of the filter belt.

Two groups of deviation rectifying devices are arranged in the concentration device 1 and the filter pressing device 2, the total number of the deviation rectifying devices is four, and each group of deviation rectifying devices comprises a deviation rectifying cylinder and a tension roller connected with the deviation rectifying cylinder; the deviation rectifying cylinders are respectively arranged on two sides of the frame; the telescopic action of the deviation rectifying cylinder drives the deviation rectifying roller to move back and forth along the advancing direction of the filter belt. The limit switches of the deviation correcting device are arranged on two sides of the filter belt. When the displacement sensor detects that the upper/lower filter belt deviates from the deviation correcting roller, the PLC automatic control system outputs a control signal to the deviation correcting device to control corresponding executing elements to automatically correct and adjust the upper/lower filter belt, so that the filter belts in the concentration device 1 and the filter pressing device 2 can keep continuous and stable linear running between the compression rollers.

Two groups of cleaning devices are arranged in the concentration device 1 and the filter pressing device 2, the total number of the cleaning devices is four, and each group of cleaning device comprises a water retaining cover and a cleaning pipe connected with the water retaining cover; the water blocking cover is fixed on two sides of the frame; the cleaning pipe is arranged inside the water blocking cover, and a plurality of groups of cleaning nozzles are arranged on the cleaning pipe.

The concentration device 1 and the filter pressing device 2 are respectively provided with a driving device, and the first driving devices 1-8 comprise motors, external gear sets, main driving rollers and auxiliary driving rollers. The upper/lower filter belts are wound around the driving/driven rollers, respectively, in the traveling direction. The motor drives the main driving roller to rotate, and the auxiliary driving roller is driven to rotate together through the external gear set, so that the upper filter belt and the lower filter belt are driven to synchronously advance together. Different from the first driving device 1-8, the second driving device 2-7 is additionally provided with chain transmission, and the motor drives the main driving roller to rotate through the chain transmission.

The utility model discloses well filter pressing device 2's upper and lower filter belt adopts special material, can bear high pulling force and good dewatering capacity, effectively gets rid of the moisture in the mud.

A first scraper is arranged at the tensioning device 1-2 of the first upper filter belt 1-4 in the concentration device 1, and sludge falls onto the first lower filter belt 1-5 in the concentration device 1 through the first scraper. And a second scraper is arranged on the outer side of the filter belt wound on the driving/driven transmission roller at the first sludge outlet, and the sludge falls onto a second upper filter belt 2-4 in the filter pressing device 2 through the second scraper. And a third scraper blade is arranged outside the filter belt wound on the driving/driven driving roller at the second sludge outlet in the filter pressing device 2, and the sludge falls into a discharging plate through the third scraper blade and is discharged.

The first upper filter belt 1-4 and the first lower filter belt 1-5 in the concentration device 1 discharge the sludge out of the concentration device 1 and then continue to operate, the bonded sludge is washed away by the cleaning devices 1-12 and 1-13, the clean filter belt continues to receive the sludge entering the sludge device 1-9, and the filter belt completes a cycle.

And 2-4 parts of a second upper filter belt in the filter pressing device 2, 2-5 parts of a second lower filter belt discharge sludge out of the filter pressing device 2 and then continue to operate, the bonded sludge is washed away by 2-10 and 2-11 parts of a cleaning device, then water in the filter belts is extruded out by a squeezing device, and the clean filter belts continue to operate and enter a second press roller group 2-7 to complete a cycle.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a high-efficient and concentrated filter-pressing all-in-one of big handling capacity which characterized in that: it comprises a filter pressing device and a concentration device arranged on the filter pressing device; the thickening apparatus comprises a first frame; the first frame is provided with a mud feeding device, a mud distributing device, a first driving device, a first press roller group, a first upper filter belt and a first lower filter belt; the first compression roller group comprises a plurality of groups of staggered compression rollers and a group of large-diameter compression rollers; the compression roller is fixed on the first rack through a bearing mounting seat; the first upper filter belt and the first lower filter belt are respectively wound on the press roll to form a low-pressure dehydration area; the first upper filter belt and the first lower filter belt are made of polyester materials; the upper space of the first upper filter belt is a gravity concentration area; the mud feeding device is arranged at the upper part of the first upper filter belt and is provided with a mud feeding chamber, and a first mud feeding port is formed in the mud feeding chamber; the mud distributing device is arranged at the upper part of the first upper filter belt; the first driving device is arranged at the downstream of the first press roll group; and a first sludge outlet is formed between the two press rolls in the first driving device.

2. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: the filter pressing device comprises a second frame; the second rack is provided with a second driving device, a second pressing roller group, a second upper filter belt and a second lower filter belt; the second compression roller set comprises a plurality of groups of compression rollers; the compression roller is fixed on the second rack through a bearing mounting seat; the second upper filter belt and the second lower filter belt are respectively wound on the press roll to form a middle-high pressure dehydration area; a second sludge inlet is formed in the upper part of the second upper filter belt; the second sludge inlet is arranged corresponding to the first sludge outlet; and a second sludge outlet is formed between the two press rolls in the second driving device.

3. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: the mud distributing device is provided with a plurality of groups of mud rakes which are distributed in a staggered mode.

4. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: the first compression roller group comprises a plurality of groups of staggered compression rollers and a group of large-diameter compression rollers.

5. The concentrating and pressure filtering all-in-one machine according to claim 2, wherein: the second compression roller set comprises a plurality of groups of medium compression rollers and a plurality of groups of high compression rollers; the diameter of the press roller is gradually reduced along the advancing direction of the filter belt.

6. The concentrating and pressure filtering all-in-one machine according to claim 2, wherein: tensioning devices are arranged in the concentration device and the filter pressing device, and each tensioning device comprises a tensioning cylinder and a tensioning roller connected with the tensioning cylinder; the tensioning cylinders are respectively fixed on two sides of the frame; and the stretching action of the tensioning cylinder drives the tensioning roller to move back and forth along the advancing direction of the filter belt.

7. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: the concentration device and the filter pressing device are both provided with a deviation rectifying device, and the deviation rectifying device comprises a deviation rectifying cylinder and a tension roller connected with the deviation rectifying cylinder; the deviation rectifying cylinders are respectively fixed on two sides of the rack; the telescopic action of the deviation rectifying cylinder drives the deviation rectifying roller to move back and forth along the advancing direction of the filter belt; and limit switches of the deviation correcting device are arranged on two sides of the filter belt.

8. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: 2 groups of cleaning devices are arranged in the concentration device and the filter pressing device, the total number of the cleaning devices is 4, and each group of cleaning devices comprises a water retaining cover and a cleaning pipe connected with the water retaining cover; the water retaining cover is fixed on two sides of the rack; the cleaning pipe is arranged inside the water blocking cover, and a plurality of groups of cleaning nozzles are arranged on the cleaning pipe.

9. The concentrating and pressure filtering all-in-one machine according to claim 1, wherein: a second driving device is arranged in the filter pressing device, and the first driving device comprises a motor, an external gear set, a main driving roller and a driven roller; the first upper/lower filter belts are respectively wound on the main/auxiliary driving rollers according to the advancing direction; the motor drives the main driving roller to rotate, and the auxiliary driving roller is driven to rotate together through the external gear set, so that the first upper/lower filter belt is driven to synchronously move together; different from the first driving device, the second driving device is additionally provided with chain transmission, and the motor drives the main driving roller to rotate through the chain transmission; the rest of the devices are the same as the transmission principle of the first driving device.

10. The concentrating and pressure filtering all-in-one machine according to claim 6, wherein: a first scraper is arranged at the tensioning device of the first upper filter belt in the concentration device, and sludge falls onto the first lower filter belt in the concentration device through the first scraper; a second scraper is arranged on the outer side of the filter belt wound on the driving/driven transmission roller at the first sludge outlet, and the sludge falls onto the second upper filter belt in the filter pressing device through the second scraper; and a third scraper is arranged on the outer side of a filter belt wound on the driving/driven transmission roller at the second sludge outlet in the filter pressing device, and sludge falls into a discharging plate through the third scraper and is discharged.