WO2019117370A1 - Dispositif de filtration type cassette - Google Patents

Dispositif de filtration type cassette Download PDF

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Publication number
WO2019117370A1
WO2019117370A1 PCT/KR2017/014755 KR2017014755W WO2019117370A1 WO 2019117370 A1 WO2019117370 A1 WO 2019117370A1 KR 2017014755 W KR2017014755 W KR 2017014755W WO 2019117370 A1 WO2019117370 A1 WO 2019117370A1
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WO
WIPO (PCT)
Prior art keywords
filter
mesh
mesh filter
drums
sludge
Prior art date
Application number
PCT/KR2017/014755
Other languages
English (en)
Korean (ko)
Inventor
황소용
이성우
김동희
황교엽
Original Assignee
디에이치테크 주식회사
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 디에이치테크 주식회사 filed Critical 디에이치테크 주식회사
Priority to PCT/KR2017/014755 priority Critical patent/WO2019117370A1/fr
Publication of WO2019117370A1 publication Critical patent/WO2019117370A1/fr

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element

Definitions

  • the present invention relates to a cassette type filter device and more particularly to an apparatus for separating sludge of solid matter in various water treatment processes such as industrial water sludge purification treatment and food processing,
  • the present invention relates to a cassette type filter device capable of performing such a cassette type filter device.
  • a variety of filtering techniques are known for this purpose.
  • a representative prior art is disclosed in Korean Utility Model Registration No. 20-0420112, which is related to a submerged filtration device for water treatment. This is because of the long-term repeated use of the wastewater treatment device When a large amount of contaminants and foreign matter are deposited on the surface of the submerged filter, the compressed air is instantaneously forced into the submerged filter to rapidly remove foreign matter deposited on the submerged surface.
  • Korean Patent Publication No. 10-0993588 discloses a technique relating to a water treatment filter using a filter material for water treatment which can be repeatedly regenerated, and is composed of a plurality of pieces of nonwoven fabric for filtration or microfiber pieces, A plurality of filtering nonwoven fabric pieces or microfibers are uniformly compressed to form fine voids, and when the compression force is released, the voids formed between the plurality of filtering nonwoven fabric pieces are disassembled as the volume expands again, Technology used.
  • a mesh filter is constructed in the form of a cassette wound with magnetic tape on two reels, and the number of turns of the mesh filter wound around the drum
  • the gap of the filter can be adjusted according to the size of the filter
  • the solid sludge agglomerates in the mesh filter during the filtration process has a new structure that can be cleaned in a short time and then switched to re-filtration by widening the pore of the filter when backflushing by the washing water sprayed through the washing water supply pipe It is an object of the present invention to provide a cassette type filter device.
  • a cassette type filter device wherein a pair of drums having a plurality of through holes are arranged side by side in a horizontal direction in a filter chamber formed inside a filter device, And the number of turns of the mesh filter can be adjusted by rotating the shaft of the drum by a drive motor.
  • the auxiliary filter chamber is formed below the filter chamber, and a pair of drums in which a mesh filter is wound is rotated by a deceleration motor.
  • the purified water pipe of the filter chamber is connected to the upper portion of the auxiliary filter chamber.
  • a drainage shaft tube is formed on one side of the drum located in the auxiliary filter chamber and fixed to the bearing so as to be fixed to the bearing.
  • the filtration chamber filters the large sludge.
  • the present invention provides a cassette-type filter device configured to filter particles having a smaller particle size by a second mesh filter.
  • the cassette type filter device of the present invention has a relatively simple structure and a small volume so that filtration can be efficiently performed even in a limited space, and the filter is formed of a wire or polymer mesh, and thus the durability is excellent because there is less concern about wear and the like.
  • the filter closing time can be shortened to prolong the filtration operation, and the cleaning time of the mesh filter can be shortened, It is expected that the effect will be much more.
  • FIG. 1 is a front view showing a preferred embodiment of a cassette type filter device provided by the present invention
  • FIG. 2 is a plan view of a cassette type filter device
  • FIG. 3 is an enlarged perspective view showing a main configuration of the cassette type filter device
  • FIG. 5 is a front view showing another embodiment of the cassette type filter apparatus provided by the present invention.
  • FIG. 6 is a state diagram showing a configuration of a wastewater treatment system to which the cassette type filter device provided in the present invention is applied
  • FIG. 1 is a front view showing a preferred embodiment of the cassette type filter device provided in the present invention
  • FIG. 2 is a plan view of the cassette type filter device
  • FIG. 3 is an enlarged perspective view of the main part of the cassette type filter device.
  • a cassette type filter device 1 includes a casing 2 in a rectangular parallelepiped shape so that a filter chamber 3 is formed therein, and wastewater flows into an upper portion of the casing 2
  • An air vent 2a is provided to overpressure the inside of the supply pipe 4 and the inside of the filter chamber 3 or to prevent the occurrence of air pockets.
  • the lower part of the casing 2 forms a hopper 2b so that the filtered solid sludge can be easily collected at the center and a drain pipe 11 for draining the sludge collected at the lower end of the hopper 2b is connected do.
  • the casing of the filter device is shown as a rectangular parallelepiped in the figure, it may be formed in a cylindrical shape to improve the pressure resistance.
  • a pair of drums 5 having a plurality of through holes 5a formed on the outer surface of the casing 2 are arranged in parallel to each other on the same horizontal plane.
  • a pair of drums 5 having a plurality of through holes 5a formed on the outer surface of the casing 2 are arranged in parallel to each other on the same horizontal plane.
  • the mesh filter 12 is made by woven a polymer or rustproof metal wire so as to have a predetermined mesh, and one end of the mesh filter 12 is fixed to the outer peripheral surface of the drum 5, The larger the number of windings, the finer the mesh size, so the size of the mesh can be set according to the particle size of the sludge to be filtered.
  • a shaft 6 is provided on one side of the drum 5 to be supported by bearings through the outside of the casing 2.
  • the shaft 6 is separately connected to a decelerating motor 7 capable of forward and reverse driving, ) Can be rotated independently of each other.
  • decelerating motor 7 is separately installed in each shaft 6, one driving motor may be connected to a plurality of shafts 6 through a chain or a gear, A torque limiter may be installed in the deceleration motor (7) to protect the motor by shutting off the circuit when foreign objects are caught or overloaded during operation.
  • An outlet shaft tube 8 is formed on the other shaft of the drum 5 and penetrates to the outside of the casing 2 so as to be supported by bearings.
  • a rotary tube 9 is provided at the end of the outlet shaft tube 8 with a purified water pipe 10, So that the fluid that has firstly been purified by the mesh filter 12 and flows into the filter chamber 3 is discharged to the outside through the discharge shaft tube 8 and the purified water pipe 10.
  • a washing water supply pipe 15 is horizontally installed below the mesh filter 12 connecting between the two drums 5 for back flushing the contaminated mesh filter 12,
  • a plurality of injection nozzles 16 are provided at regular intervals to inject the washing water upwardly with a strong pressure to remove the sludge adsorbed to the mesh filter 12.
  • FIG. 4 is a front sectional view showing the cleaning state of the mesh filter 12.
  • the direction of a part of the nozzles 16 provided in the washing water supply pipe 15 corresponds to the direction in which the drum 5 is located, So that the mesh filter wound around the drum is released as soon as it is released, and the separated sludge does not accumulate on the filter again.
  • FIG. 5 is a front view showing another embodiment of the cassette type filter apparatus provided in the present invention. As shown in FIG. 5, the filtration efficiency can be further improved by constituting the filter chamber 3 in two stages or three stages or more .
  • a filter chamber 3 into which wastewater flows directly is formed at the uppermost side of the casing 2, an auxiliary filter chamber 3 'is formed below the filter chamber 3, and each filter chamber 3
  • a drain pipe 11 for discharging the sludge collected by the hopper 2b to the drain tank 40 is installed.
  • a pair of drums 5 independently driven by a motor are arranged side by side apart from the same horizontal plane in each of the filter chambers 3 and 3 '
  • a washing water supply pipe 15 for washing is formed.
  • the size of the mesh of the mesh filter 12 wound around the drum 5 of the auxiliary filter chamber 3 ' is smaller than that of the mesh filter 12 disposed in the filter chamber 3,
  • the purified water pipe 10 connected to the discharge shaft tube 8 provided in the upper portion of the auxiliary filter chamber 3 ' is connected to the upper portion of the auxiliary filter chamber 3' so that the uppermost filter chamber 3 filters the larger sludge, So that the sludge of fine particles is filtered by the mesh filter 12 in the auxiliary filter chamber 3 '.
  • the filtered purified water is transferred to the purified water tank 30 through the second purified water pipe 14 connected to the drainage pipe 8 formed in the lowermost filter chamber 3 '.
  • the mesh filter 12 coupled to the outer circumferential surface of the drum 5 can be wound or unwound to one side.
  • the mesh filter 12 has a prescribed mesh size. However, as shown in FIG. 3, the size of the mesh becomes larger in proportion to the number of turns on the outer circumferential surface of the drum 5, so that the size of the mesh can be set according to the particle size of the sludge to be filtered .
  • the washing of the mesh filter 12 causes the washing water to be adsorbed to the nozzle 16 of the washing water supply pipe 15 while moving the position of the mesh filter 12 by slowly rotating the pair of drums 5 in the same direction at the same time. If the tensile force is applied to both sides of the mesh filter 12 by a method in which the RPM of the one drum 5 is higher than the RPM of the other drum 5 by driving the sludge at a higher speed than the RPM of the other drum 5, The sludge bound between the mesh can be removed more quickly and effectively.
  • FIG. 6 is a state diagram showing a configuration of a wastewater treatment system to which the filter device provided in the present invention is applied.
  • a waste water tank 20 is provided to collect wastewater discharged from various uses and to introduce the wastewater into the filter chamber 3 of the filter device 1 by a wastewater pump 21, The large sludge particles are filtered in the mesh filter 12 and the filtered fluid is transferred to the purified water tank 30 through the purified water pipe 10 connected to the discharge shaft pipe 8.
  • a drain pipe 11 for discharging the sludge settled on the hopper 2b is connected to the lower end of the filter chamber 3 to discharge the sludge to the drain tank 40,
  • the sludges are transferred to a separate sludge treatment unit such as a centrifugal dehydrator.
  • the fluid stored in the purified water tank 30 is supplied to the washing water supply pipe 15 by driving the washing pump 31,
  • the sludge adsorbed to the mesh filter 12 is desorbed.
  • the cassette type filter device 1 according to the present invention having the above structure is relatively simple in structure and small in volume so that it is easy to install even in a limited space and the filter particle size is changed according to the number of times the mesh filter 12 is wound on the outer peripheral surface of the drum 5 Easy to control.
  • the filter device 1 having a single filter chamber 3 can be obtained by forming the two filter chambers 3 and 3 'to have a laminated structure and applying the mesh of the mesh filter 12 provided in each filter chamber differently, It is possible to delay the occlusion time of the mesh filter 12 by more than twice and to shorten the cleaning time of the mesh filter 12 to improve efficiency and reliability of the filtration operation There is an advantage to increase.
  • cassette type filter device provided in the present invention can more effectively filter the wastewater sludge at a time when the importance of the environment is emphasized and the level of wastewater treatment water quality is strengthened and advanced treatment is required. Big.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Le but de la présente invention est de fournir un dispositif de filtre type cassette, qui est utilisé dans le but de séparer des boues de matière solide pendant divers processus de traitement de l'eau et, en particulier, peut ajuster la taille de maille d'un filtre à mailles de façon à filtrer des boues de différentes tailles. C'est-à-dire, la présente invention comprend : un boîtier (2) ayant une chambre de filtrage (3) formée à l'intérieur de celui-ci, et ayant, au niveau de sa partie supérieure, un tube d'alimentation (4) dans lequel s'écoule de l'eau usée; une paire de tambours (5), qui ont une pluralité de trous traversants (5a) formées sur la surface externe de celui-ci et sont disposées en parallèle tout en étant espacées l'une de l'autre sur la même surface horizontale à l'intérieur du boîtier (2); un filtre à mailles (12) disposées de telle sorte que les deux parties d'extrémité de celle-ci sont enroulées au moins une fois autour de la surface circonférentielle externe de la paire de tambours (5); un arbre (6) formé sur un axe latéral de chaque tambour (5) de manière à être supporté par un palier; un moteur de réduction (7) relié à l'arbre (6) de façon à entraîner en rotation les tambours (5); un tube axial de décharge (8) formé sur l'autre axe latéral des tambours (5) de manière à être disposée de manière fixe et supportée par le palier; un tube de purification d'eau (10) relié au tube axial de décharge (8) par une articulation rotative (9); et un tube d'alimentation en eau de lavage (15) pour pulvériser, sous le filtre à mailles (12) pour relier la paire de tambours (5), de l'eau de lavage à haute pression vers le filtre à mailles (12).
PCT/KR2017/014755 2017-12-14 2017-12-14 Dispositif de filtration type cassette WO2019117370A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/014755 WO2019117370A1 (fr) 2017-12-14 2017-12-14 Dispositif de filtration type cassette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/014755 WO2019117370A1 (fr) 2017-12-14 2017-12-14 Dispositif de filtration type cassette

Publications (1)

Publication Number Publication Date
WO2019117370A1 true WO2019117370A1 (fr) 2019-06-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112028182A (zh) * 2020-09-22 2020-12-04 广州晴哲科技有限公司 反渗透水处理装置
WO2021031539A1 (fr) * 2019-08-21 2021-02-25 景津环保股份有限公司 Appareil d'élimination de blocage de refoulement pour tamis anti-poussière de machine de séchage, dispositif anti-poussière, et machine de séchage
CN112604610A (zh) * 2020-12-23 2021-04-06 河南金丹乳酸科技股份有限公司 乳酸催化制备丙酸方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100937111B1 (ko) * 2009-08-27 2010-01-15 주식회사 조은환경 가변형 여과장치
KR20100020563A (ko) * 2008-08-13 2010-02-23 케이엠네이쳐 주식회사 정수 장치
KR20120066953A (ko) * 2010-12-15 2012-06-25 양한수 반복 사용가능한 여과필터를 갖는 수처리 여과장치
KR20130141106A (ko) * 2012-06-15 2013-12-26 양한수 수처리 여과장치에 사용되는 여과필터
KR101378733B1 (ko) * 2011-11-28 2014-03-27 주식회사 조은환경 살균기능을 갖는 여과장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100020563A (ko) * 2008-08-13 2010-02-23 케이엠네이쳐 주식회사 정수 장치
KR100937111B1 (ko) * 2009-08-27 2010-01-15 주식회사 조은환경 가변형 여과장치
KR20120066953A (ko) * 2010-12-15 2012-06-25 양한수 반복 사용가능한 여과필터를 갖는 수처리 여과장치
KR101378733B1 (ko) * 2011-11-28 2014-03-27 주식회사 조은환경 살균기능을 갖는 여과장치
KR20130141106A (ko) * 2012-06-15 2013-12-26 양한수 수처리 여과장치에 사용되는 여과필터

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021031539A1 (fr) * 2019-08-21 2021-02-25 景津环保股份有限公司 Appareil d'élimination de blocage de refoulement pour tamis anti-poussière de machine de séchage, dispositif anti-poussière, et machine de séchage
CN112028182A (zh) * 2020-09-22 2020-12-04 广州晴哲科技有限公司 反渗透水处理装置
CN112028182B (zh) * 2020-09-22 2021-03-16 广州晴哲科技有限公司 反渗透水处理装置
CN112604610A (zh) * 2020-12-23 2021-04-06 河南金丹乳酸科技股份有限公司 乳酸催化制备丙酸方法

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