KR100408367B1 - Washing and odor eliminating apparatus of screw press for the filth dehydration - Google Patents

Washing and odor eliminating apparatus of screw press for the filth dehydration Download PDF

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Publication number
KR100408367B1
KR100408367B1 KR10-2000-0084949A KR20000084949A KR100408367B1 KR 100408367 B1 KR100408367 B1 KR 100408367B1 KR 20000084949 A KR20000084949 A KR 20000084949A KR 100408367 B1 KR100408367 B1 KR 100408367B1
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South Korea
Prior art keywords
cylinder
filtration
washing
supply
guide
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KR10-2000-0084949A
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Korean (ko)
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KR20020055737A (en
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이정엽
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이정엽
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Priority to KR10-2000-0084949A priority Critical patent/KR100408367B1/en
Priority to CNB011440910A priority patent/CN1173821C/en
Publication of KR20020055737A publication Critical patent/KR20020055737A/en
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Publication of KR100408367B1 publication Critical patent/KR100408367B1/en

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/125Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/02Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing

Abstract

본 발명은 분뇨처리장, 하수처리장 또는 각종 생산공장 등에서 배출되는 오물을 여과 탈수 처리하는 과정에서 여과공이 뚫린 여과원통에 끼어 있는 찌꺼기를 여과공이 뚫린 여과원통의 외주에서 고압증기 또는 고압의 세척수를 공급시켜 세척하는 동시에 내부에 지지윤을 돌출되게 형성한 밀폐원통을 설치하여 여과공이 뚫린 여과원통을 지지시키고, 상부에 설치한 밀폐공급통을 통하여 고압증기 또는 압력수를 공급시키면 지지윤을 따라 하부로 이동하면서 여과공이 뚫린 여과원통을 세척한 다음 여과수와 같이 배수공을 통하여 하부에 설치한 밀폐 유도통으로 유도되어 배출관을 통하여 배출하게 되므로 세척이 능률적으로 이루어지는 동시에 밀폐유도통에 의하여 악취가 외부로 발산되는 것을 방지케함은 물론 여과액 및 세척수의 외부로 누출 또는 비산되는 일이 없어 쾌적한 환경에서 작업능률을 높일수 있게 한 것이다.The present invention is to supply the high-pressure steam or high-pressure washing water from the outer periphery of the filter cylinder through the filter hole in the process of filtering and dewatering the waste discharged from the manure treatment plant, sewage treatment plant or various production plants At the same time, it installs an airtight cylinder formed to protrude support lubrication inside to support the filtration cylinder with perforated filter holes, and moves to the bottom along the support lubrication when high pressure steam or pressure water is supplied through the airtight supply cylinder installed at the top. While washing the filtration cylinder through which the filtration hole is drilled, it is led through the drainage inlet installed in the lower part through the drain hole like the filtered water and discharged through the discharge pipe. Therefore, the washing is efficiently performed and the odor is prevented from being emitted to the outside by the sealed induction tube. Leaks to the outside of the filtrate and wash water, No two days are fugitive will make a turn, benefits work efficiency in a comfortable environment.

Description

오물탈수용 스크류프래스의 세척을 겸한 악취제거장치{WASHING AND ODOR ELIMINATING APPARATUS OF SCREW PRESS FOR THE FILTH DEHYDRATION}WASHING AND ODOR ELIMINATING APPARATUS OF SCREW PRESS FOR THE FILTH DEHYDRATION}

본 발명은 오물탈수용 스크류프래스의 세척을 겸한 악취제거장치에 관한 것이다. 좀더 자세하게는 분뇨처리장, 하수처리장 또는 각종 생산공장 등에서 배출되는 오물을 여과 탈수 처리하는 과정에서 여과공이 뚫린 여과원통에 끼어있는 찌꺼기를 여과공이 뚫린 여과원통의 외주에서 고압증기 또는 고압의 세척수를 공급시켜 세척하는 동시에 내부에 지지윤을 돌출되게 형성한 밀폐원통을 설치하여 여과공이 뚫린 여과원통을 지지시키고, 상부에 설치한 밀폐공급통을 통하여 고압증기 또는 압력수를 공급시키면 지지윤을 따라 하부로 이동하면서 여과공이 뚫린 여과원통을 세척한 다음 여과수와 같이 배수공을 통하여 하부에 설치한 밀폐 유도통으로 유도되어 배출관을 통하여 배출하게 되므로 세척이 능율적으로 이루어지는 동시에 밀폐유도통에 의하여 악취가 외부로 발산되는 것을 방지케한 오물탈수용 스크류프래스의 세척을 겸한 악취제거장치에 관한 것이다.The present invention relates to a deodorizing device that combines the washing of the screw press for dewatering dirt. More specifically, in the process of filtering and dehydrating the waste discharged from the manure treatment plant, the sewage treatment plant or various production plants, the high-pressure steam or the high-pressure washing water is supplied from the outer circumference of the filter cylinder through which the filter hole is drilled. At the same time, it installs an airtight cylinder formed to protrude support lubrication inside to support the filtration cylinder with perforated filter holes, and moves to the bottom along the support lubrication when high pressure steam or pressure water is supplied through the airtight supply cylinder installed at the top. While washing the filter cylinder through which the filtration hole is drilled, it is led to the sealed induction tube installed at the lower part through the drain hole like the filtered water and discharged through the discharge pipe. Therefore, the odor is emitted to the outside by the sealed induction tube at the same time. To clean the screw dewatering It relates to an odor removing device.

종래에 본 출원인이 선특허를 취득한 특허 제0145510호는 여과원통의 여과공에 끼어 있는 찌꺼기를 여과원통 내부에서 압축공기 또는 고압증기를 분사시켜 세척할 수있게 구성하였기 때문에 제작상에 커다란 문제점이 있었을 뿐 아니라 여과탈수된 여과수에서 발산되는 악취를 처리할 수없어 작업장에서 악취가 심하게 나므로 작업능률을 높일 수 없는 문제점이 있었다.Patent No. 0145510, in which the present applicant has previously obtained a patent, has had a big problem in manufacturing because it is possible to clean the debris stuck in the filtration hole of the filtration cylinder by spraying compressed air or high pressure steam inside the filtration cylinder. In addition, the odor emitted from the filtered dewatered filtrate can not handle the bad smell in the workplace there was a problem that can not increase the work efficiency.

본 발명은 상기한 문제점을 해소하기 위하여 분뇨처리장, 하수처리장 또는 각종 생산공장 등에서 배출되는 오물을 여과 탈수 처리하는 과정에서 여과공이 뚫린 여과원통에 끼어있는 찌꺼기를 여과공이 뚫린 여과원통의 외주에서 고압증기 또는 고압의 세척수를 공급시켜 세척하는 동시에 내부에 지지윤을 돌출되게 형성한 밀폐원통을 설치하여 여과공이 뚫린 여과원통을 지지시키고, 상부에 설치한 밀폐공급통을 통하여 고압증기 또는 압력수를 공급시키면 지지윤을 따라 하부로 이동하면서 여과공이 뚫린 여과원통을 세척한 다음 여과수와 같이 배수공을 통하여 하부에설치한 밀폐 유도통으로 유도되어 배출관을 통하여 배출하게되므로 세척이 능률적으로 이루어지는 동시에 밀폐유도통에 의하여 악취가 외부로 발산되는 것을 방지케할 뿐 아니라 여과액 및 세척수가 외부로 누출 또는 비산되는 것을 방지하여 주위환경을 쾌적하게 한 것이다.The present invention, in order to solve the above problems, the high-pressure steam in the outer periphery of the filtration cylinder through the filtration hole is left in the filtration cylinder through which the filtration hole in the process of filtration dehydration of the waste discharged from the manure treatment plant, sewage treatment plant or various production plants, etc. Alternatively, by supplying high-pressure washing water and washing it, at the same time, install a sealed cylinder formed to protrude support lubrication therein to support the filtration cylinder with perforated filter holes, and supply high-pressure steam or pressure water through the sealed supply cylinder installed at the top. The filter cylinder with filtration holes is washed while moving downward along the support lubrication, and then it is led through a drainage induction pipe installed in the lower part through the drain hole like the filtered water and discharged through the discharge pipe. Not only prevents the Is a pleasant environment by preventing the gwaaek and wash water from leaking or scattering to the outside.

도 1 은 본 발명의 일부 절개 단면도1 is a partial cutaway cross-sectional view of the present invention.

도 2 는 본 발명의 요부 확대 단면도2 is an enlarged cross-sectional view of main parts of the present invention;

도 3 은 본 발명의 Ⅰ-Ⅰ선 단면도3 is a cross-sectional view taken along line II of the present invention.

<도면 주요부호의 설명><Explanation of main code of drawing>

10 : 스크류 11 : 회전원통 11a : 회전축10 screw 11 rotating cylinder 11a rotating shaft

12 : 공급구 12a : 배출구 13 : 여과원통12 supply port 12a outlet 13 filter cylinder

20.20a : 돌출윤 21.21a : 유도홈 22.22a : 플랜지20.20a: Extrusion lube 21.21a: Guide groove 22.22a: Flange

23.23a : 반원통 24 : 공급공 25 : 공급안내통23.23a: semicylinder 24: supply hole 25: supply guide

25a : 배출안내통25a: discharge guide

외주에 스크류(10)를 형성한 회전원통(11)의 회전축(11a)에 온수 또는 증기 공급구(12)와 배출구(12a)를 형성하고, 스크류(10)의 외주에 여과공이 뚫린 여과원통(13)을 설치한 것에 있어서 여과공이 뚫린 여과원통(13)외주에는 내주에 일정간격으로 다수의 돌출윤(20)(20a)을 형성하여 여과탈수액의 유도홈(21)(21a)을 형성하고, 각 주연에 플랜지(22)(22a)를 형성한 상 하 반원통(23)23a)을 상호 연결조립할 수 있게 하였다. 상기한 바와 같이 상 하 반원통(23)(23a)을 조립하므로서 여과공이 뚫린 여과원통(13)을 다수의 돌출윤(20)(20a)의 좁은면으로 지지하고 있어 여과면적을 극대화시킬 수 있으며, 상부 반원통(23)의 상부에는 각 유도홈(21)마다 공급공(24)를 뚫고, 그 상부에 공급안내통(25)을 밀폐되게 용접 설치하여 고압의 여과수 또는 고압증기를 공급하면 여과공이 뚫린 여과원통(13)의 외주에 스러지가 부착되지 않게 세척하므로 여과 탈수 효과를 높일 수 있게 하였다. 그리고 하부 반원통(23a)의 하부에 각 유도홈(21a)마다 횡으로 배출공(24a)을 뚫고 그 하부에 배출안내통(25a)을 밀폐되게 용접 설치하여 배출관(26)으로 유도 배출시켜 집수조에 집수시키게 하고, 그리고 스크류((10)에 의하여 이송되는 스러지 케익은 배출압력조절변(30)을 압축 조절하는 코일스프링(31)과 조절보울트(32)로 압력을 조절시켜 함수율을 조절케 하고, 상기한 바와 같이 배출되는 스러지 케익은 밀폐된 배추구(33)를 통하여 스러지 케익의 이송 스크류(34)에 의하여 처리장으로 이송시키므로 작업장내에서는 악취가 발산되지 않을 뿐아니라 여과액 및 세척수가 외부로 누출 또는 비산되는 것을 방지하여 쾌적한 환경에서 작업능률을 높일 수 있게 구성한 것이다.Hot water or steam supply port 12 and the outlet (12a) is formed in the rotary shaft (11a) of the rotary cylinder 11, the screw 10 is formed on the outer periphery, and the filter cylinder in which the filter hole is drilled in the outer periphery of the screw ( 13) in the outer periphery of the filtration cylinder 13 through which the filtration hole is formed, a plurality of protruding lubrication 20, 20a is formed at a predetermined interval in the inner circumference to form guide grooves 21 and 21a of the filtration dehydration liquid. The upper and lower semi-cylinders 23 and 23a having flanges 22 and 22a formed at each circumference thereof can be interconnected and assembled. As described above, by assembling the upper and lower half cylinders 23 and 23a, the filtration cylinders 13, through which the filtration holes are drilled, are supported by a narrow surface of the plurality of protrusions 20 and 20a, thereby maximizing the filtration area. In the upper part of the upper semi-cylinder 23, the supply hole 24 is drilled in each induction groove 21, and the supply guide tube 25 is welded and installed in the upper part of the upper semi-cylinder 23 to supply high-pressure filtered water or high-pressure steam. Washing the sludge is not attached to the outer periphery of the filtration cylinder 13, the hole was opened to increase the filtration dehydration effect. And in the lower part of the lower cylinder (23a) perforating the discharge hole (24a) for each induction groove (21a) in the transverse direction and the discharge guide cylinder (25a) is installed in the lower part of the weld to the discharge pipe (26) to guide discharge into the water collecting tank And the sludge cake conveyed by the screw (10) is controlled by adjusting the pressure with the coil spring 31 and the adjusting bolt 32 to compress the discharge pressure regulating valve 30 to adjust the water content. And, the sludge cake discharged as described above is transferred to the treatment plant by the conveying screw 34 of the sludge cake through the sealed cabbage 33, so that the odor is not emitted in the workplace, as well as the filtrate and the washing water. Prevents leakage or scattering to the outside and improves working efficiency in a pleasant environment.

외주에 스크류(10)를 형성한 회전원통(11)의 회전축(11a)에 형성된 공급구(12)를 통하여 온수 또는 증기를 공급시켜 회전원통(11)을 가열한 다음 배출구(12a)구로 배출되게 하여 스러지의 여과탈수가 효과적으로 이루어지게 하며, 스크류(10)의 외주에 여과공이 뚫린 여과원통(13)을 설치하고, 그 외주에는, 내주에 일정간격으로 다수의 돌출윤(20)(20a)을 형성하여 여과탈수액의 유도홈(21) (21a)을 형성하고, 각 주연에 플랜지(22)(22a)를 형성한 상 하 반원통(23)23a)을 상호 연결조립할 수 있게하므로서 다수의 돌출윤(20)(20a)의 좁은면으로 여과공이 뚫린 여과원통(13)을 지지하고 있어 여과면적을 극대화 시킬 수 있어 능율적으로 오물을 여과탈수 시킬 수 있으며, 상부 반원통(23)의 상부에는 각 유도홈(21)마다 공급공(24)를 뚫고, 그 상부에 공급안내통(25)을 밀폐되게 용접 설치하였기 때문에 공급되는 고압의 세척수 또는 고압증기로 여과공이 뚫린 여과원통(13)의 외주에 스러지가 부착되지 않게 세척하여 여과 탈수 효과를 높일 수 있게 하였으며, 하부 반원통(23a)의 하부에 각 유도홈(21a)마다 횡으로 배출공(24a)을 뚫고, 그 하부에 배출안내통(25a)을 밀폐되게 용접 설치하여 배출관(26)으로 유도 배출시켜 집수조에 집수시키게 하고, 스크류((10)에 의하여 배추구(33)로 배출되는 스러지 케익은 이송스크류(34)에 의하여 처리장으로 이송 처리되므로 작업장내에서는 악취가 발산되지 않을 뿐 아니라 여과액 및 세척수가 외부로 누출 또는 비산되는 것을 방지하여 쾌적한 환경에서 작업할 수 있어 작업능률을 높일 수 있는 효과가 있는 것이다.The rotary cylinder 11 is heated by supplying hot water or steam through the supply port 12 formed in the rotary shaft 11a of the rotary cylinder 11 having the screw 10 formed on the outer circumference thereof, and then discharged to the outlet 12a. The filter dewatering of sludge is effectively made, and the filtration cylinder 13 through which the filtration hole is perforated is installed on the outer circumference of the screw 10, and on the outer circumference, a plurality of protruding lubrication 20, 20a is provided at a predetermined interval on the inner circumference. Formed to form guide grooves 21 and 21a of the filtered dehydration liquid, and a plurality of protrusions can be interconnected and assembled to form upper and lower half cylinders 23 and 23a having flanges 22 and 22a around each periphery. Supports the filtration cylinder 13 through which the filtration hole is drilled in the narrow surface of the lubrication (20) (20a), which can maximize the filtration area, and can effectively filter out debris, and the upper half of the upper cylinder (23) Drill holes 24 for each guide groove 21, and seal the supply guide cylinder 25 on the upper part Since it was installed, washing was performed so that sludge did not adhere to the outer periphery of the filtration cylinder 13 through which the filtration holes were drilled with high pressure washing water or high pressure steam, thereby improving the filtration dehydration effect, and each induction at the lower portion of the lower semi-cylinder 23a. Drill the discharge hole (24a) horizontally in each groove (21a), and welded to the discharge guide tube (25a) in the lower portion to be installed in the discharge pipe (26) to be discharged to collect in the sump tank, screw (10) Since the sludge cake discharged to the cabbage hole 33 is transferred to the treatment plant by the transfer screw 34, not only the odor is emitted in the workplace, but also the filtrate and the washing water are prevented from leaking or scattering to the outside. Working in the environment has the effect of improving work efficiency.

Claims (3)

외주에 스크류(10)를 형성한 회전원통(11)의 회전축(11a)에 고온의 세척수 증기 공급구(12)와 배출구(12a)를 형성하고, 스크류(10)의 외주에 여과공이 뚫린 여과원통(13)을 설치한 것에 있어서 여과공이 뚫린 여과원통(13)외주에는, 내주에 일정간격으로 다수의 돌출윤(20)(20a)을 형성하여 여과탈수액의 유도홈(21)(21a)을 형성하고, 각 주연에 플랜지(22)(22a)를 형성한 상 하 반원통(23)23a)을 상호 연결조립할 수 있게하며, 상부 반원통(23)의 상부에서 각 유도홈(21)마다 고압세척수 또는 고압증기를 공급시킬 수 있게 공급안내통(25)을 설치하고, 하부 반원통(23a)의 하부에는 각 유도홈(21a)에서 배출되는 여과 탈수액의 배출안내통(25a)을 밀폐되게 설치하여서된 오물탈수용 스크류프래스의 세척을 켬한 악취제거장치A high temperature washing water steam supply port 12 and an outlet port 12a are formed in the rotary shaft 11a of the rotary cylinder 11 having the screw 10 formed on the outer circumference thereof, and the filtration cylinder is formed by filtration holes in the outer circumference of the screw 10. (13) is provided in the outer periphery of the filtration cylinder 13, through which the filtration holes are drilled, a plurality of protruding lubrication (20) (20a) is formed at a predetermined interval in the inner circumference to guide the induction groove (21) (21a) of the filter dehydration It is possible to interconnect and assemble the upper and lower semi-cylinders (23, 23a) having a flange (22, 22a) formed at each periphery, and high pressure for each guide groove 21 in the upper portion of the upper semi-cylinder (23) The supply guide cylinder 25 is installed to supply the washing water or the high pressure steam, and the discharge guide cylinder 25a of the filtered dehydration liquid discharged from each guide groove 21a is sealed in the lower half cylinder 23a. Deodorizer which turns on cleaning of installed dewatering screw press 제 1 항에 있어서, 상부 반원통(23)의 상부에는 각 유도홈(21)마다 횡으로 공급공(24)를 뚫고, 그 상부에 공급안내통(25)을 밀폐되게 용접하여 설치하여서된 오물탈수용 스크류프래스의 세척을 겸한 악취제거장치According to claim 1, The upper semi-cylinder 23, the perforated supply hole 24 transversely for each guide groove (21), and the dirt installed by sealingly installing the supply guide cylinder 25 on the top Deodorizer removes screw dewatering 제 1 항에 있어서, 하부 반원통(23a)의 하부에 각 유도홈(21a)마다 횡으로 배출공(24a)을 뚫고 그 하부에 배출안내통(25a)을 밀폐되게 용접 설치하여 서된 오물탈수용 스크류프래스의 세척을 겸한 악취제거장치The waste water dewatering according to claim 1, wherein the discharge hole 24a is drilled horizontally in each of the guide grooves 21a in the lower portion of the lower semi-cylinder 23a, and the discharge guide cylinder 25a is welded and installed in the lower portion thereof. Odor elimination device combined with washing of screw press
KR10-2000-0084949A 2000-12-29 2000-12-29 Washing and odor eliminating apparatus of screw press for the filth dehydration KR100408367B1 (en)

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KR10-2000-0084949A KR100408367B1 (en) 2000-12-29 2000-12-29 Washing and odor eliminating apparatus of screw press for the filth dehydration
CNB011440910A CN1173821C (en) 2000-12-29 2001-12-28 Odour-removing device simultaneously used for washing of spiral squeezer for dewatering dirt materials

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CN102583941A (en) * 2012-01-17 2012-07-18 安尼康(福建)环保设备有限公司 Pneumatic-propelling solid and liquid separation device
CN105859101A (en) * 2016-06-21 2016-08-17 陈铭鸿 Device for carrying out pressure filtration dehydration on sludge
CN110170195A (en) * 2019-07-11 2019-08-27 岳阳佰胜智慧环保科技有限公司 Inside and outside cartridge type pressafiner
CN110526541A (en) * 2019-08-26 2019-12-03 南京爱斯利尔环保设备工程有限公司 A kind of pressafiner
CN111285588B (en) * 2020-03-27 2021-07-13 苏州双福智能科技有限公司 Low efficient sludge treatment equipment of energy consumption

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JPS5671598A (en) * 1979-11-14 1981-06-15 Harunobu Miura Rotary squeezer
JPS5779096A (en) * 1980-10-30 1982-05-18 Kurita Mach Mfg Co Ltd Automatic cleaning type filter device
JPH04224098A (en) * 1990-12-21 1992-08-13 Ishigaki Mech Ind Co Device for washing cake in screw press
WO1993002146A1 (en) * 1991-07-19 1993-02-04 J.C. Hempel's Skibsfarve-Fabrik A/S Paint composition

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671598A (en) * 1979-11-14 1981-06-15 Harunobu Miura Rotary squeezer
JPS5779096A (en) * 1980-10-30 1982-05-18 Kurita Mach Mfg Co Ltd Automatic cleaning type filter device
JPH04224098A (en) * 1990-12-21 1992-08-13 Ishigaki Mech Ind Co Device for washing cake in screw press
WO1993002146A1 (en) * 1991-07-19 1993-02-04 J.C. Hempel's Skibsfarve-Fabrik A/S Paint composition

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