WO2009121202A1 - Appareil de déshydratation de boues et procédé correspondant - Google Patents

Appareil de déshydratation de boues et procédé correspondant Download PDF

Info

Publication number
WO2009121202A1
WO2009121202A1 PCT/CN2008/000637 CN2008000637W WO2009121202A1 WO 2009121202 A1 WO2009121202 A1 WO 2009121202A1 CN 2008000637 W CN2008000637 W CN 2008000637W WO 2009121202 A1 WO2009121202 A1 WO 2009121202A1
Authority
WO
WIPO (PCT)
Prior art keywords
sludge
pressing mechanism
pressing
pressure
filter bag
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/CN2008/000637
Other languages
English (en)
Chinese (zh)
Inventor
杨学君
王伟
孙集量
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PCT/CN2008/000637 priority Critical patent/WO2009121202A1/fr
Priority to CNA2008101470526A priority patent/CN101549892A/zh
Priority to CNA2008101470530A priority patent/CN101549944A/zh
Priority to PCT/CN2008/001456 priority patent/WO2009121220A1/fr
Priority to CNU2008201325602U priority patent/CN201264960Y/zh
Publication of WO2009121202A1 publication Critical patent/WO2009121202A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
    • 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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/27—Filter bags
    • 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
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
    • B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
    • B01D29/824—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression using pistons
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers

Definitions

  • the present invention relates to a sludge treatment apparatus and a treatment method, and more particularly to a sludge dewatering apparatus and a dewatering method. Background technique
  • sludge In people's life and production, there are mainly several types of sludge: sewage sludge, water supply sludge, water dredging sludge and water supply and drainage pipe sludge.
  • sewage sludge the highest yield, the highest degree of pollution and the most difficult to treat are sewage sludge. Therefore, the key to sludge treatment technology is the treatment of sewage sludge, and the techniques, methods and principles involved can be applied to other types of sludge treatment accordingly.
  • Sewage treatment infrastructure investment is large, and operating costs are high. For this reason, many sludges are only subjected to gravity concentration and shallow mechanical dewatering treatment, and then sent to the garbage dump. ⁇ : Buried or exposed to the wilderness, causing serious secondary pollution.
  • Most countries use landfill, incineration and land use methods for sewage sludge. Although the incineration treatment has a high degree of reduction, the investment operation cost is high, and there is a problem of smoke pollution.
  • Land use can turn waste sludge into treasure, but most of the sludge contains harmful substances such as heavy metal ions and refractory organics, and it is difficult to meet land use standards.
  • the untreated landfill has the lowest cost, but it takes up a lot of land resources and the environment around the landfill deteriorates. The simple problem of low solids content after sludge dewatering will also cause the above problems.
  • sludge dewatering such as natural drying, heat drying, incineration, electro-osmosis and mechanical dewatering. Since mechanical dehydration consumes less energy and occupies less land resources, mechanical dewatering is preferred.
  • the moisture content of the sludge after mechanical dewatering is about 80%, and then treated.
  • mechanical concentration is generally required before the mechanical dewatering process.
  • the mechanical concentration is concentrated by a centrifuge, concentrated by a belt concentrator, concentrated by a drum concentrator, and concentrated by a screw concentrator.
  • Mechanical concentration can achieve a sludge content of 6% - 7%, which is good, but equipment investment and operating costs are not cheap.
  • the water content is about 94%, and further mechanical dehydration is required.
  • the main mechanical dewatering equipments are vacuum filtration, basket filter press, belt filter press and centrifugal dewatering machine.
  • China utility model patent CN92205317.0 discloses a sewage sludge treatment device with high pressure and vacuum, which mainly comprises: "a hydraulically driven piston, a rigid variable volume extrusion chamber, and a bottom of the extrusion chamber. There is a high-density filter plate made of ceramic or cement board, and water is only filtered out from the bottom. In addition, the bottom of the extrusion chamber is also connected to the vacuum device at the same time. It can be seen that the processing efficiency of the above device is not high due to It must also be used in conjunction with high vacuum work, and a filter plate made of ceramic or cement board is used, and the pressure is not high.
  • US 4,181,616 discloses a sludge dewatering apparatus, which is particularly useful for sludge treatment in water purification plants, having a primary pressureless cavity type dewatering section A, one or more being located in the primary section A
  • the lower horizontally extending filter belt consists of a horizontal dewatering zone B, a medium pressure drum filtration section C and a subsequent high pressure dewatering unit D.
  • the device is a commonly used extruded structure in which a steel track has holes that are pressed up and down to dewater the rigid material. The structure is complicated, the extrusion pressure is not high, and the dewatering rate of the sludge is difficult to reach 30%. Summary of the invention
  • the main object of the present invention is to overcome the deficiencies of the prior art, and propose a novel sludge dewatering device which adopts a flexible bag for mechanical dehydration, has low energy consumption, simple structure, and at the same time High efficiency. .
  • the present invention provides a sludge dewatering apparatus comprising:
  • the pressing mechanism comprises a plurality of movable pressing plates spaced apart from each other, the at least one container is a flexible filter bag, and each filter bag is placed between the spaced apart pressing plates, and each a sealing device is provided at the opening of the filter bag
  • the present invention adopts a plurality of movable pressing plates and flexible filter bags which are spaced apart from each other, the filtering material and the container are integrated, the structure is relatively simple, and at the same time, it is easy to be strongly pressed and the processing amount is large.
  • the pressing mechanism applies a pressure of not less than 15 Kg/cm 2 to the pressing mechanism.
  • a mechanical accumulator is provided on one side of the pressing mechanism opposite the pressing mechanism, the pressing mechanism being applied to the pressing mechanism by a rated stroke and pressure
  • the locking device is locked, and then the hydraulic pump does not have to continue to work to maintain the high pressure, and the accumulator located on the other side of the pressing mechanism is energized to perform work, and the extrusion process is completed, thereby achieving an energy saving effect.
  • Another object of the present invention is to provide a method for sludge dewatering using the above-described dewatering apparatus, which is simple in practical use, low in energy consumption, high in dewatering efficiency, and has physical sterilization effect.
  • the present invention also provides a method of dewatering sludge, comprising the steps of:
  • the final flocculant is present in the sludge, and its characteristic is that it can absorb a large amount of water, and the molecular chain combined with the water molecule is extremely firm. According to traditional theory, it is necessary to use a heating method to destroy the combination, and then further reduce the moisture content of the sludge to provide a guarantee for further treatment of the sludge. Since the characteristics of the sludge are viscous, the water content is high, and the way in which the water is present in the sludge is particularly high, it is currently considered that if the non-heating method is employed, only 20% of the water can be dehydrated. At an acceptable rate of dewatering, it is difficult to mechanically bring the sludge to a water content of less than 30%.
  • the method further includes the step of providing an accumulator on the other side of the pressing mechanism; the pressing mechanism is locked after being applied to the rated stroke and pressure, and then by the pressing mechanism The accumulator on the other side releases energy and completes the extrusion process. Since the hydraulic pump does not have to continue to work to maintain high pressure, it achieves energy saving.
  • Figure 1 is a schematic view showing the overall of a sludge dewatering apparatus
  • Figure 2 is a perspective view showing a portion of the pressing mechanism of the dewatering apparatus;
  • Figure 3 shows an embodiment of an accumulator that cooperates with the pressing mechanism;
  • Figure 4 shows another embodiment of an accumulator that cooperates with a pressing mechanism;
  • Figure 5 is a perspective view of the closure member.
  • the dewatering apparatus generally indicated by 1 mainly includes a screw conveyor 3, a distributor 4, a pressing mechanism 6, and a pressing mechanism 5.
  • the screw conveyor 3 has a hopper 2, and the sludge 9 in the hopper 2 is sent to the distributor 4 via the screw conveyor.
  • the dispenser 4 is provided with a plurality of infusion tubes 12, the rate of which is adjustable.
  • the sludge 9 has 80% - 98% water.
  • the pressure applying mechanism 5 is a hydraulic cylinder having an adjustable pressure to pressurize the pressing mechanism from one side.
  • the pressing mechanism 5 can also be a screw type top press, similar to a screw jack.
  • the accumulator 15 is mounted on the other side of the squeezing mechanism.
  • the function of the accumulator 15 will be detailed below. It is easy to understand that the accumulator 15 can also be replaced by another hydraulic cylinder so that a pressure applying mechanism is provided on both sides of the pressing mechanism. Of course, it is also possible to cancel the accumulator 15 described above, and the pressure applying mechanism 15 is provided only on one side and the other side is fixed.
  • the water discharged from the extrusion 'mechanism 6 flows through the delivery pipe 11 to the sump 7.
  • This water is generally subjected to further treatment, and since the water treatment is not the subject of the present invention, it will not be described here.
  • a conveyor 8 may be provided under the squeezing mechanism 6 for conveying the mud cake 10 discharged from the squeezing mechanism 6 for subsequent processing.
  • the conveyor 8 is preferably a belt conveyor or other suitable conveyor.
  • FIG. 2 it schematically shows a part of the pressing mechanism 6 in a perspective view.
  • the squeezing mechanism 6 has a plurality of spaced apart, movable compression plates 16.
  • a filter bag 17 is provided in the space between the pressing plates.
  • a plurality of through holes are formed in the pressing plate 16 for water running.
  • the through holes 23 of the pressing plate 16 in Figs. 3 and 4 may be replaced by a plurality of projections facing the filter bag on the surface of the pressing plate or grooves which communicate with each other on the plate surface. Of course, various combinations of the through holes 23, projections and grooves are also contemplated.
  • the filter bag 17 and the pressing plate 16 are located in the casing 20 (indicated by a broken line in the drawing), and the pressing plate 16 can be in the supporting casing 20 when subjected to the pressure P of the pressing mechanism 5. Slide to squeeze the filter bag 17 therein.
  • the four vertical walls of the casing 20 can block water, and the bottom of the casing is provided with a water collecting hole 21 which communicates with the conveying pipe 11 in Fig. 1 to guide the extruded water away.
  • the filter bag 17 is composed of a fabric such as nylon, preferably having a pressure resistance of 120 kg/cm 2 or more, and a seal 18 is attached to the upper end of the opening.
  • the seal 18 can be, for example, a cylinder
  • the form of the rubber seal (see Fig. 5) is equivalent to the opening of the filter bag and has a certain thickness S, so that the pressing mechanism 5 can press the action of the pressing plate at the initial stage of pressurizing the pressing mechanism 6.
  • the seal is flattened to seal the opening. As the pressure increases, the sealing effect becomes stronger.
  • the seal 18 is disposed on the outer side of the upper end of the filter bag opening or on the inner side of the upper end.
  • the seal 18 is preferably provided on the outer side of the upper end of the opening.
  • the inner ring does not stick due to the barrier of the filter bag material, and the seal is easily opened and restored to its original state when the pressure is released.
  • the sealing member 8 can also be formed in the form of a sealing strip, which is disposed on the upper end of the pressing plate 16 corresponding to the opening of the filter bag, and the sealing strip is clamped when the adjacent pressing plate 16 is closed. Opening.
  • a separate closure mechanism can also be provided to gargle the filter bag before or shortly after pressurization. .
  • the filter bag 17 can be vertically suspended by a single hanging system (not shown) which can bear all or part of the weight of the untreated sludge in the filter bag. When only part of the weight is taken, the bottom of the filter bag falls on the bottom of the case 20. Alternatively, the rigging system can be moved to move the filter bag away from the housing 20.
  • the turning mechanism of the filter bag is also relatively simple. For example, a rope is attached to the inner or outer bottom of the filter bag, and when the rope is rolled up as needed, the filter bag can be turned over, thereby discharging the mud cake onto the conveyor to realize continuous production. . It is also possible to use other inverting mechanisms to invert the entire extrusion mechanism, which are all within the spirit of the invention.
  • Figure 3 shows an embodiment of an accumulator cooperating with the pressing mechanism 6, which consists of a compression spring 15, which is pressed when the pressing mechanism 5 such as a hydraulic cylinder presses the pressing mechanism 6. 15, compressed and stored, when the rated stroke and pressure are reached, the hydraulic cylinder is locked with the hydraulic control check valve, and the hydraulic pump stops working. It is also possible to lock the side of the pressing mechanism 6 equipped with the hydraulic cylinder by other locking means, and the compressed pressure spring 15 pressurizes and works on the other side of the pressing mechanism 6 to complete the subsequent pressing. Process to achieve energy saving purposes. Of course, if a screw type top press is used, since the threaded screw can be self-locking at any time, it is not necessary to provide a lock device.
  • FIG. 4 shows a further embodiment of an accumulator that cooperates with a pressing mechanism, which uses a compressed gas elastic device 15", which works as above.
  • the accumulator can be of the above two types. A combination of implementation forms.
  • a plurality of pressing mechanisms 6 may be provided which are circulated, for example, when a pressing mechanism receives the sludge of the distributor 4 at a station, at least one squeeze The mechanism is squeezed at another station, and the extrusion mechanism that completes the extrusion is at the unloader The position is unloaded, which further improves the efficiency of the equipment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'invention porte sur un appareil (1) de déshydratation de boues, qui comprend : un dispositif (3) de transport de boues pour transporter des boues aqueuses (9) devant être traitées ; un dispositif de distribution (4) relié au dispositif (3) de transport de boues ; au moins un récipient pour recevoir les boues provenant du dispositif de distribution (4) qui est apte à être fermé et dont le volume est variable ; un dispositif d'extrusion (6) pour extruder les boues aqueuses provenant du récipient ; un dispositif de pression (5) pour appliquer de la pression au dispositif d'extrusion (6) ; le dispositif d'extrusion (6) comprenant une pluralité de plaques d'extrusion mobiles (16) qui sont espacées les unes des autres, au moins un récipient étant un sac filtrant souple (17), qui est monté entre les plaques d'extrusion espacées (16) et qui a un mécanisme de scellement (18) au niveau de l'ouverture de sac. Pour améliorer la vitesse d'élimination de l'eau des boues traitées, la pression appliquée au dispositif d'extrusion (6) fournie par le dispositif de pression (5) n'est pas inférieure à 15 kg/cm2. De plus, l'invention porte sur un procédé de déshydratation utilisant l'appareil de déshydratation des boues.
PCT/CN2008/000637 2008-03-31 2008-03-31 Appareil de déshydratation de boues et procédé correspondant Ceased WO2009121202A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/CN2008/000637 WO2009121202A1 (fr) 2008-03-31 2008-03-31 Appareil de déshydratation de boues et procédé correspondant
CNA2008101470526A CN101549892A (zh) 2008-03-31 2008-08-13 浮水生物脱水设备及脱水方法
CNA2008101470530A CN101549944A (zh) 2008-03-31 2008-08-13 透水柔性容器的密封装置
PCT/CN2008/001456 WO2009121220A1 (fr) 2008-03-31 2008-08-13 Appareil de scellement de récipient souple perméable à l'eau
CNU2008201325602U CN201264960Y (zh) 2008-03-31 2008-08-13 透水柔性容器的密封装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2008/000637 WO2009121202A1 (fr) 2008-03-31 2008-03-31 Appareil de déshydratation de boues et procédé correspondant

Publications (1)

Publication Number Publication Date
WO2009121202A1 true WO2009121202A1 (fr) 2009-10-08

Family

ID=41134790

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2008/000637 Ceased WO2009121202A1 (fr) 2008-03-31 2008-03-31 Appareil de déshydratation de boues et procédé correspondant
PCT/CN2008/001456 Ceased WO2009121220A1 (fr) 2008-03-31 2008-08-13 Appareil de scellement de récipient souple perméable à l'eau

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001456 Ceased WO2009121220A1 (fr) 2008-03-31 2008-08-13 Appareil de scellement de récipient souple perméable à l'eau

Country Status (1)

Country Link
WO (2) WO2009121202A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746446A (zh) * 2016-11-15 2017-05-31 广东新环环保产业集团有限公司 一种高压脱水机
CN113461294A (zh) * 2021-06-17 2021-10-01 杭州国泰环保科技股份有限公司 一种具有密封结构的污泥低温干化设备
CN114832477A (zh) * 2022-03-16 2022-08-02 王伟 一种新型多功能污水处理站
CN117886498A (zh) * 2023-12-26 2024-04-16 江南大学 一种空间节约型絮凝污泥过滤装置及方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1286653A (en) * 1968-09-23 1972-08-23 Albert Lambert Improvements relating to liquid-extraction apparatus
CN85200675U (zh) * 1985-04-01 1986-01-08 段辉武 双曲面滤网过滤器
CN2064260U (zh) * 1990-05-19 1990-10-24 莫幽 袋式过滤压榨机
CN1084451A (zh) * 1992-05-26 1994-03-30 D·E·委脱劳弗 用于从固体中提取液体的压榨装置
CN1144491A (zh) * 1994-03-22 1997-03-05 斯卡帕集团有限公司 过滤装置
KR20030089018A (ko) * 2002-05-15 2003-11-21 섬진이에스티 주식회사 열 필터프레스 탈수장치
KR20060035423A (ko) * 2004-10-22 2006-04-26 김홍식 액체 여과장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2519865B2 (ja) * 1993-04-23 1996-07-31 秋葉産業株式会社 ベルトプレス型脱水処理装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1286653A (en) * 1968-09-23 1972-08-23 Albert Lambert Improvements relating to liquid-extraction apparatus
CN85200675U (zh) * 1985-04-01 1986-01-08 段辉武 双曲面滤网过滤器
CN2064260U (zh) * 1990-05-19 1990-10-24 莫幽 袋式过滤压榨机
CN1084451A (zh) * 1992-05-26 1994-03-30 D·E·委脱劳弗 用于从固体中提取液体的压榨装置
CN1144491A (zh) * 1994-03-22 1997-03-05 斯卡帕集团有限公司 过滤装置
KR20030089018A (ko) * 2002-05-15 2003-11-21 섬진이에스티 주식회사 열 필터프레스 탈수장치
KR20060035423A (ko) * 2004-10-22 2006-04-26 김홍식 액체 여과장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746446A (zh) * 2016-11-15 2017-05-31 广东新环环保产业集团有限公司 一种高压脱水机
CN113461294A (zh) * 2021-06-17 2021-10-01 杭州国泰环保科技股份有限公司 一种具有密封结构的污泥低温干化设备
CN114832477A (zh) * 2022-03-16 2022-08-02 王伟 一种新型多功能污水处理站
CN117886498A (zh) * 2023-12-26 2024-04-16 江南大学 一种空间节约型絮凝污泥过滤装置及方法

Also Published As

Publication number Publication date
WO2009121220A1 (fr) 2009-10-08

Similar Documents

Publication Publication Date Title
CN101549943A (zh) 污泥脱水设备及脱水方法
CN104788002B (zh) 一种污泥预处理设备
CN105601080B (zh) 污水污泥减量化脱水方法
CN104860504B (zh) 基于双体式污水污泥深度脱水装置的脱水方法
CN104857749B (zh) 双体式污水污泥深度脱水装置
CN112607995B (zh) 一种污泥连续脱水系统
CN105923968A (zh) 基于氧化电渗透机械压滤协同的污水污泥脱水装置
CN106277664A (zh) 一种污泥半干化处理工艺
CN105923967B (zh) 污水污泥氧化电渗透机械压滤协同脱水装置
CN210796166U (zh) 一种高效泥浆压滤装置
CN105923952B (zh) 污水污泥电渗透压滤协同脱水装置
CN104926063B (zh) 基于污水污泥二次深度脱水装置的脱水方法
CN106219923A (zh) 一种生物粪便回收装置
CN104724898B (zh) 一种污泥预处理工艺
CN107151089B (zh) 污泥压榨系统
WO2009121202A1 (fr) Appareil de déshydratation de boues et procédé correspondant
CN105800900B (zh) 污水污泥高效深度减量化处理方法
CN201198463Y (zh) 污泥脱水设备
CN206229431U (zh) 一种垃圾处理装置
CN101250019A (zh) 一种用压榨方法进行污泥脱水使污泥减量化和资源化利用的工艺方法
CN110002714A (zh) 阴极与压榨带一体化的污泥电渗透带式压滤装置及方法
CN105967485B (zh) 污水污泥氧化电渗透机械压滤协同脱水方法
CN206366378U (zh) 水热脱水处理高含水率有机物的反应釜及连续式系统
CN105800901B (zh) 污水污泥减量化脱水装置
CN214299819U (zh) 一种污泥深度脱水系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08733858

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 07-12-2010.

122 Ep: pct application non-entry in european phase

Ref document number: 08733858

Country of ref document: EP

Kind code of ref document: A1