WO2020048033A1 - Filtre-presse concentrateur de type convoyeur à service intensif dans un boîtier fermé - Google Patents

Filtre-presse concentrateur de type convoyeur à service intensif dans un boîtier fermé Download PDF

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Publication number
WO2020048033A1
WO2020048033A1 PCT/CN2018/120149 CN2018120149W WO2020048033A1 WO 2020048033 A1 WO2020048033 A1 WO 2020048033A1 CN 2018120149 W CN2018120149 W CN 2018120149W WO 2020048033 A1 WO2020048033 A1 WO 2020048033A1
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WO
WIPO (PCT)
Prior art keywords
belt
component
filter belt
concentrating
conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/120149
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English (en)
Chinese (zh)
Inventor
黄志洋
李红军
王婷
徐建露
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu BOE Environmental Protection Technology Co Ltd
Original Assignee
Jiangsu BOE Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu BOE Environmental Protection Technology Co Ltd filed Critical Jiangsu BOE Environmental Protection Technology Co Ltd
Publication of WO2020048033A1 publication Critical patent/WO2020048033A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering

Definitions

  • the invention relates to a filter press, in particular to a belt filter press.
  • Sewage treatment plays an important role in the environmental protection industry.
  • the first step in sewage treatment is to filter the sewage and squeeze the dewatered sludge.
  • the existing belt filter for sewage filtration is used to reduce the volume of the equipment. Most of them have the problems of fewer pressing rollers and low pressing force, which results in a high moisture content of the pressed mud cake, which is not conducive to transportation and storage, and also affects the subsequent treatment of the sludge. Filtration, so the filtered water has a relatively large pollution content.
  • the belt filter concentrator and belt filter used at home and abroad are used separately, occupying a large area, high cost, and poor use effect.
  • the object of the present invention is to provide a fully enclosed heavy-duty belt-type concentrating filter press, which has good dewatering performance, compact structure and good sealing performance.
  • a fully enclosed heavy-duty belt-type condensing filter press includes a condensing section arranged on the upper layer of the casing and a compression section on the lower layer of the casing.
  • a discharge device is provided.
  • a first concentration component and a second concentration component for achieving gravity dehydration and homogenization are provided in the concentration section.
  • the first concentration component is located above the second concentration component, and the compression section is provided with compression.
  • the compression assembly includes an upper filter belt, a lower filter belt, and a pressing roller group matched with the upper filter belt and the lower filter belt.
  • a third liquid collecting tank is arranged below the pressing roller group, and the sludge enters from the feeding port. After gravity dehydration through the concentration section, it enters the compression section.
  • the pressure roller group includes a plurality of staggered pressure rollers, and the radius of the pressure rollers is from the pressure. The input end to the output end of the roller group gradually becomes smaller.
  • the present invention has the beneficial effect that, in the present invention, the dehydration performance is greatly improved through the double dehydration in the concentration section and the compression section.
  • the moisture content of water is getting lower and lower, so it is more and more difficult to dewater.
  • the tension of the same belt is the same.
  • the smaller the contact area the greater the pressure of the contact area. Therefore, the present invention
  • the radius is designed to gradually decrease from the input end to the output end of the pressure roller group, so that the further the extrusion section is, the greater the compression pressure on the upper filter belt and the lower filter belt, the better the extrusion effect, which greatly improves The dehydration rate.
  • the invention can be used in sludge treatment.
  • the first concentrating component is connected to a feeding port, and the first concentrating component includes a first homogenizing device, a first conveying component, and a first liquid collecting tank arranged from top to bottom.
  • the leveling device includes first guide shells fixed on both sides of the chassis, a rubber strip attached to the first conveying component is connected to the bottom of the first guide shell, and a first link is also installed on the first guide shell.
  • a homogenizer is installed on the first connecting rod;
  • the first conveying assembly includes a transmission filter belt connecting two transmission rollers and a plurality of guide rollers, and the guide rollers are disposed inside the transmission filter belt;
  • the first liquid collecting tank is disposed at Below the transmission filter belt, a wiper plate is further disposed in the first liquid collecting tank below the transmission filter belt.
  • the structure of the first guide shell with the rubber strip prevents the sludge from falling from both sides of the conveying filter belt, thereby affecting the working conditions on the site; the homogenizing by the homogenizer makes the homogenizing effect better and more uniform;
  • the wiper plate under the filter belt can hang the sewage generated by the gravity at the first time, avoiding the residue of sewage on the conveying filter belt, which makes the dehydration effect better.
  • an L-shaped box body communicating with a feeding port is provided in the casing, and an inclined surface is processed on the upper part of the L-shaped box body. Sludge enters from the feeding port and overflows from the L-shaped box body. The inclined surface enters the conveying filter belt.
  • the L-shaped structure of the box body allows the sludge to enter the transfer filter belt in an overflow manner, which makes the sludge more uniform.
  • the first concentrating assembly further includes a pair of deflection wheels, wherein the deflection wheels are processed with a conical surface, and the deflection wheels are installed on the upper part of the first liquid collecting tank. Its structure is simpler and the effect of correcting deviation is good.
  • the conveying filter belt has an upward conveying tendency from the side of the feeding port to the side of the discharging device.
  • the layout of the upward trend makes the separation effect of sludge and sewage better in the process of gravity potential energy change.
  • the second concentration assembly includes a second sizing device, a second conveying component, and a second liquid collecting tank arranged from top to bottom.
  • the second sizing device includes first Two guide shells, the bottom of the second guide shell is connected with a rubber strip attached to the second conveying component, the second guide shell is further equipped with a second link, and the second link is equipped with a homogenizer,
  • the second guide shell is provided at the front end of the second connecting rod with a baffle plate for limiting the sludge height.
  • the second conveying assembly includes a second deflection roller and a part of the upper filter belt.
  • the second liquid collecting tank is disposed at The upper part of the part is below the filter belt; a guide groove for transitioning sludge is set between the first concentrating component and the second concentrating component in the cabinet.
  • the structure of the second guide shell with the rubber strip prevents sludge from falling from both sides of the upper filter belt, which affects the working conditions on the site; the homogenization by the homogenizer makes the homogenization effect better and more uniform, and the material retaining plate further guarantees Homogenization effect; meanwhile, the setting of the material guide trough makes the transition of the sludge from the first concentrating component to the second concentrating component more convenient.
  • the second deflection roller makes the part of the upper filter belt form an upward and downward slope conveying path, and a plurality of wiper plates are installed at the top of the second liquid collecting tank, and the wiper The plate is fixed on the second liquid collecting tank through the angle steel.
  • the wiper plate arranged under the upper filter belt can hang off the sewage generated by the gravity in the first time, so as to prevent the sewage from remaining on the transfer filter belt, so that the dehydration effect is better.
  • the hillside conveying path has two advantages over the horizontal conveying path. One is to save space with the structure of the first enrichment module, which makes the overall structure more compact. The other is that the hillside conveying path is conducive to the gravity potential energy. The effect of changes on the dewatering effect of sludge will further enhance the dewatering effect.
  • the deflection component includes a cylinder fixed on a casing, and a slider of the cylinder rod end is hinged with a slider.
  • a chute fitted with the slider is provided, and both ends of the second correction roller are connected to the slider.
  • the bottom of the case is provided with a first correction roller that cooperates with the lower filter belt. Deviation correcting component with the above structure. Makes correction more convenient.
  • a wiper assembly is provided at a front end of the pressing roller group, the wiper assembly includes a plurality of wipers fixed on a mounting plate, and the wipers are distributed in an arc shape. Because the upper filter belt and the lower filter belt have just been combined for extrusion, a large amount of sewage will be squeezed through the filter belt. The arc-shaped wiper plate can immediately dispose of a large amount of sewage to avoid sewage Residues formed on the surface of the filter belt.
  • the first pressure roller in the pressure roller group from the input end to the output end has a hollow structure, and the surface of the pressure roller is provided with a plurality of through holes. Since the first pressing roller is pressed for the first time with a large pressing force, it will also generate more sewage. By opening a through hole on the surface of the first pressing roller, the sewage produced by the pressing can pass through the first time. The holes are discharged to avoid the formation of water pressure between the surface of the pressure roller and the filter belt due to the untimely discharge of sewage, which affects the squeezing effect.
  • the discharge device includes a pair of discharge rollers matched with the upper filter belt and the lower filter belt, and a mud scraper matched with the discharge roller is also installed on the casing. It makes the discharge more convenient and the discharge is cleaner.
  • FIG. 1 is a first schematic diagram of the external three-dimensional structure of the present invention.
  • FIG. 2 is a second schematic diagram of the external three-dimensional structure of the present invention.
  • FIG. 3 is a first schematic diagram of the internal three-dimensional structure of the present invention.
  • FIG. 4 is a second schematic diagram of the internal three-dimensional structure of the present invention.
  • FIG. 5 is a schematic diagram of the internal structure of the present invention.
  • FIG. 6 is a schematic diagram of the arrangement of the internal leveling device of the present invention.
  • FIG. 7 is a schematic diagram of the internal liquid collecting tank layout of the present invention.
  • FIG. 8 is a schematic layout of the internal filter belt and the roller system of the present invention.
  • FIG. 9 is a schematic structural diagram of a feeding port and an L-shaped box body in the present invention.
  • FIG. 10 is a structural schematic view of the first pressing roller of the middle pressing roller group of the present invention.
  • FIG. 11 is a schematic structural diagram of a wiper assembly according to the present invention.
  • FIG. 12 is a schematic diagram of a three-dimensional structure of a wiper assembly according to the present invention.
  • FIG. 13 is a schematic diagram of the structure of a deflection wheel in the present invention.
  • FIG. 14 is a schematic structural view of a deflection roller in the present invention.
  • 1 chassis, 2 feed inlets, 3L-shaped box body, 3a inclined surface, 4 first leveling device, 4a first guide shell, 4b first link, 4c leveler, 4d rubber strip, 5 first Conveying assembly, 5a driving roller, 5b conveying filter belt, 5c driven roller, 6 first liquid collecting tank, 6a wiper blade, 7 second leveling device, 7a second guide shell, 7b second connecting rod, 7c uniform Feeder, 7d blanking plate, 7e rubber strip, 8 second liquid collecting tank, 8a wiper plate, 9 upper filter belt, 10 lower filter belt, 11 pressure roller group, 11a pressure roller, 12 third liquid collection tank, 13 wiper assembly, 13a mounting plate, 13b wiper plate, 14, 15 guide groove, 16a, 16b support roller, 17 first deflection roller, 18 second deflection roller, 19a, 19b deflection component, 19a1 cylinder, 19a2 piston Lever, 19a3 slider, 19a4 chute, 19a5 limit plate, 19a6 limit screw, 20a, 20b discharge roller
  • a fully enclosed heavy-duty belt-type concentration filter press includes a concentration section arranged on the upper layer of the casing 1 and a compression section located on the lower layer of the casing 1.
  • a feeding port 2 is provided on one side of the casing 1
  • An L-shaped box body 3 is provided at the inlet 2 and an inclined surface 3a is processed on the upper part of the L-shaped box 3, and a discharge port is provided on the other side.
  • a discharge device is provided at the discharge port.
  • the discharge device includes a pair of The discharge rollers 20a and 20b matched with the upper filter belt 9 and the lower filter belt 10.
  • One end of the two discharge rollers 20a and 20b is connected by gear transmission, and the other end of the upper discharge roller 20a is connected with the motor transmission through a chain.
  • the motor is installed on the top of the chassis 1.
  • the chassis 1 is also equipped with scraper plates 21a and 21b that cooperate with the discharge rollers 20a and 20b;
  • a first concentration module and a second concentration module are provided in the concentration section to realize gravity dehydration and homogenization, and the first concentration module is located above the second concentration module;
  • the first concentrating component is connected to the L-shaped box body 3.
  • the first concentrating component includes a first homogenizing device 4, a first conveying component 5, and a first liquid collecting tank 6 arranged from top to bottom.
  • the first homogenizing device 4 includes a fixing device.
  • the first guide shells 4a on both sides of the chassis 1 are connected to the bottom of the first guide shell 4a with rubber strips 4d attached to the transmission filter belt 5b to block the sludge. A plurality of first guide shells 4a are also installed.
  • a first link 4b each of which is equipped with a screed 4c;
  • the first conveying assembly 5 includes a transfer filter belt 5b and a plurality of guide rollers, one of which is a driving roller 5a, the other is the driven roller 5c, where the driven roller 5c is arranged on the side close to the feed port 2, the driving roller 5a is connected to the motor via a chain drive, the motor is arranged on the top of the casing 1, and the guide roller is arranged on the transfer filter Inside the belt 5b;
  • the first liquid collecting tank 6 is provided below the transfer filter belt 5b, and the first liquid collecting tank 6 is also provided below the transfer filter belt 5b, and a wiper plate 6a is also provided, and the wiper plate 6a is fixed to the first through the angle steel
  • a pair of deflection wheels 22 are provided on the upper part of the first liquid collecting tank 6 near the driving roller 5a. It has a conical surface, with filter transfer functions 5b bonded to the surface of the conical corrective action, as a transmission
  • the second concentrating assembly includes a second leveling device 7, a second conveying assembly, and a second liquid collecting tank 8 arranged from top to bottom.
  • the second leveling device 7 includes second guide shells 7a fixed on both sides of the casing 1.
  • a rubber strip 7e attached to the upper filter belt 9 is connected to the bottom of the second guide shell 7a.
  • a second link 7b is also installed on the second guide shell 7a, and a homogenizer 7c is installed on the second link 7b.
  • a second baffle plate 7d is provided on the second guide shell 7a at the front end of the second connecting rod 7b to limit the sludge height.
  • the second conveying assembly includes a second deflection roller 18 and a part of the upper filter belt 9, and a second liquid collecting tank 8.
  • the second deflection roller 18 makes the upper filter belt 9 in this part form an up and down slope conveying path, that is, the second deflection roller 18 will center the upper filter belt 9 in the second concentration module Lifting upwards, a plurality of wiper plates 8a are installed on the eight tops of the second liquid collecting tank.
  • the wiper plates 8a are fixed to the second liquid collecting tank 8 through angle steel, and two ends of the second deflection roller 18 are connected with the same structure.
  • Correction assembly 19a which includes an air cylinder 19a1 fixed on the chassis 1, and a slider of the cylinder rod 19a2 of the air cylinder 19a1 is hinged with a slider 19a3, the slider 19a3 is arranged in the chute 19a4.
  • a pair of limiting screws 19a6 are also provided in the chute 19a4.
  • the two ends of the second correction roller 18 are connected to the slider 19a3, and the two ends of the second correction roller 18 are also connected.
  • the bottom of the chassis 1 is provided with a first correction roller 17 that cooperates with the lower filter belt 10.
  • the first correction roller 17 uses the above-mentioned correction assembly 19b.
  • Guide tanks 14 and 15 for transitioning the sludge between the first concentration component and the second concentration component and the sludge between the concentration section and the compression section;
  • a compression component is provided in the compression section.
  • the compression component includes an upper filter belt 9, a lower filter belt 10, and a pressure roller group 11 that cooperates with the upper filter belt 9, the lower filter belt 10.
  • the casing 1 is located at one side of the inlet 2
  • the other sides of the upper filter belt 9, and the lower filter belt 10 are sleeved on the discharge rollers 20a, 20b.
  • a third liquid collecting tank 12 is disposed below 11.
  • a wiper assembly 13 is provided at the front end of the pressure roller group 11.
  • the wiper assembly 13 includes a plurality of wiper plates 13 b and wiper plates 13 b fixed to the mounting plate 13 a via angle steel.
  • the first pressure roller 11a from the input end to the output end of the pressure roller group 11 has a hollow structure.
  • the surface and both ends of the pressure roller are provided with through holes. Sludge enters from the inlet 2 and is concentrated. After gravity dewatering, it enters the compression section. After the compression section is pressed by 11 pieces of the pressure roller group to complete dehydration, the discharge device is discharged.
  • the pressure roller group 11 includes a plurality of staggered pressure rollers, and the radius of the pressure roller is from the pressure roller. The input terminal to the output terminal of the group 11 gradually becomes smaller.
  • the sewage to be treated enters through the feed port 2 and gradually rises in the L-shaped box body 3.
  • the sludge overflows the L-shaped box body 3
  • it slides into the conveying filter belt 5b from the inclined surface 3a and conveys it.
  • the conveying filter belt 5b is moved by the driving roller 5a.
  • the conveying filter belt 5b condenses and filters the sewage.
  • Under the action of the wiper plate 6a The filtered water flows into the first liquid collecting tank 6, and the filtered mud falls on the upper filter belt 9 below.
  • the second gravity is performed under the action of gravity. Concentrate and filter out part of the water again. After that, the sludge falls on the lower filter belt 10 again.
  • the upper filter belt 9 and the lower filter belt 10 squeeze the sludge for the first time at the wiper assembly 13. The water is scraped off by the wiper assembly 13. After that, the sludge in the squeezed state enters the pressure roller group 11, and a large amount of water is squeezed out under the action of the pressure roller group 11. The sludge is squeezed out of the water and pressed at the same time.
  • the roller generates shearing force on the sludge and destroys the sticky structure of the sludge, so that the sludge dewatering effect is better;
  • the water flows into the third water collecting tank at the bottom, and the sludge continues to run to the ends of the upper filter belt 9 and the lower filter belt 10.
  • the mud cake is taken out of the mud cake conveyor belt under the action of the scraper plates 21a and 21b. Complete dewatering of sludge.
  • the present invention is not limited to the above embodiments.
  • those skilled in the art can make some substitutions and replacements for some of the technical features without creative labor according to the disclosed technical content.
  • Deformation, these replacements and deformations are all within the protection scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

La présente invention concerne un filtre-presse concentrateur de type convoyeur à usage intensif dans un boîtier fermé, comprenant une section de concentration et une section de compression, et un boîtier de machine (1) pourvu d'une entrée de matériau (2) sur un côté et d'un appareil d'évacuation de matériau sur l'autre côté. Dans la section de concentration sont disposés un premier composant de concentration et un second composant de concentration utilisés pour effectuer une déshydratation par gravité et un nivellement des matériaux. Le premier composant de concentration est placé au-dessus du second composant de concentration. Un élément de compression est disposé dans la section de compression. Le composant de compression comprend une bande filtrante supérieure (9), une bande filtrante inférieure (10) et un ensemble de rouleaux (11) ajustant la bande filtrante supérieure (9) et la bande filtrante inférieure (10). Un troisième réservoir de collecte de liquide (12) est disposé au-dessous de l'ensemble de rouleaux (11). La boue est introduite par l'entrée de matériau (2), déshydratée par gravité à travers la section de concentration puis introduite dans la section de compression, comprimée par l'ensemble de rouleaux (11) dans la section de compression pour achever la déshydratation, puis évacuée par appareil d'évacuation de matériau. L'ensemble de rouleaux (11) comprend de multiples rouleaux disposés en alternance (11a). De plus, le rayon des rouleaux (11a) diminue progressivement d'une extrémité d'entrée à une extrémité de sortie de l'ensemble de rouleaux (11). Au moyen d'une double déshydratation à travers la section de concentration et la section de compression, la performance de déshydratation est augmentée. Ceci est applicable dans le traitement des boues.
PCT/CN2018/120149 2018-09-03 2018-12-10 Filtre-presse concentrateur de type convoyeur à service intensif dans un boîtier fermé Ceased WO2020048033A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811019528.8A CN108863009A (zh) 2018-09-03 2018-09-03 一种全封闭重型带式浓缩压滤机
CN201811019528.8 2018-09-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116196681A (zh) * 2023-04-10 2023-06-02 江苏城乡空间规划设计研究院有限责任公司 一种城市污水改造提升装置
CN117923773A (zh) * 2023-12-25 2024-04-26 洛阳北方玻璃技术股份有限公司 一种钢化玻璃卧式均质炉以及卧式连续均质生产线
CN118908523A (zh) * 2024-08-01 2024-11-08 温州宏泽热电股份有限公司 一种污水处理系统

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CN111569522A (zh) * 2020-06-04 2020-08-25 杭州凯博特环保科技开发有限公司 一种污水处理用净水设备及其使用方法
CN112194330B (zh) * 2020-11-30 2021-03-12 烟台集纳智能科技有限公司 一种水利工程用环保污泥处理设备

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CN201915018U (zh) * 2010-12-16 2011-08-03 湖南省九方环保机械有限公司 带式浓缩压滤机
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116196681A (zh) * 2023-04-10 2023-06-02 江苏城乡空间规划设计研究院有限责任公司 一种城市污水改造提升装置
CN116196681B (zh) * 2023-04-10 2023-09-26 江苏城乡空间规划设计研究院有限责任公司 一种城市污水改造提升装置
CN117923773A (zh) * 2023-12-25 2024-04-26 洛阳北方玻璃技术股份有限公司 一种钢化玻璃卧式均质炉以及卧式连续均质生产线
CN118908523A (zh) * 2024-08-01 2024-11-08 温州宏泽热电股份有限公司 一种污水处理系统

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