WO2018055794A1 - 凝集沈澱装置 - Google Patents

凝集沈澱装置 Download PDF

Info

Publication number
WO2018055794A1
WO2018055794A1 PCT/JP2017/008542 JP2017008542W WO2018055794A1 WO 2018055794 A1 WO2018055794 A1 WO 2018055794A1 JP 2017008542 W JP2017008542 W JP 2017008542W WO 2018055794 A1 WO2018055794 A1 WO 2018055794A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
sludge
plate
center well
tank body
Prior art date
Application number
PCT/JP2017/008542
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
田中　一平
Original Assignee
栗田工業株式会社
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 栗田工業株式会社 filed Critical 栗田工業株式会社
Priority to MYPI2019001492A priority Critical patent/MY195589A/en
Priority to KR1020197000875A priority patent/KR20190053834A/ko
Priority to CN201780054213.4A priority patent/CN109661261B/zh
Publication of WO2018055794A1 publication Critical patent/WO2018055794A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0003—Making of sedimentation devices, structural details thereof, e.g. prefabricated parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B01D21/0033—Vertical, perforated partition walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments

Definitions

  • the present invention relates to an agglomeration precipitation apparatus that agglomerates and separates fine suspended substances and the like from water to be treated.
  • Patent Document 1 discloses a line mixing device for adding an inorganic flocculant, a cationic polymer flocculant and an anionic polymer flocculant to raw water containing fine SS, and a structure provided on the downstream side of the line mixing device.
  • a water treatment apparatus comprising a granulated coagulation sedimentation tank is disclosed.
  • Patent Document 2 a first stirring tank for adding and stirring an inorganic flocculant, a second stirring tank for adding and stirring a sedimentation accelerator and a polymer flocculant, and adding and stirring a polymer flocculant
  • a coagulating sedimentation apparatus in which a third stirring tank, a floc-forming tank, and a precipitation tank are integrated is described.
  • An object of the present invention is to provide an agglomeration precipitation apparatus that can be easily carried on a truck or the like.
  • the coagulation sedimentation apparatus of the present invention includes a tank body having a rectangular shape in plan view, a coagulation reaction tank and a precipitation tank formed by partitioning the tank body by a partition plate, and an overflow of sludge with respect to the sedimentation tank. And a sludge receiving tank adjacent to each other through a plate.
  • the tank body has a width of 2.2 m or less, a length of 5.6 m or less, and a height of 2.6 m or less.
  • a center well is provided in the precipitation tank, and a transfer member for allowing the aggregation reaction liquid in the aggregation reaction tank to flow into the center well is provided.
  • a distributor is extended in the radial direction from the lower part of the center well, and a drive device is provided for rotationally driving the center well around its axis.
  • a sludge removal outlet for taking out the sludge in the sludge receiving tank is provided on the wall surface of the tank body, and the sludge removal along the bottom surface in the sludge receiving tank.
  • a rake plate is provided that moves toward the outlet.
  • the rake plate is attached to a chain that is driven endlessly, and the chain is disposed on the forward side along the bottom surface of the sludge receiving tank and above the forward side. Between the driving side sprocket wheel and the driven side sprocket wheel so that the upper end of the rake plate when the rake plate is moved back by the chain is above the overflow plate. Located below the edge.
  • the agglomeration sedimentation apparatus of the present invention is easy to transport because the tank body is a rectangular shape having a size that can be mounted on a 4 t truck (a truck having a maximum loading load of 4 t) and having a rectangular shape in plan view. Further, by previously integrating a stirrer, a center well, a distributor, and other attached equipment in the production factory of the coagulation sedimentation apparatus, installation work of the coagulation sedimentation apparatus becomes remarkably easy.
  • the precipitated sludge can be smoothly taken out from the sludge outlet.
  • this rake device with a rake plate that moves along the bottom surface of the sludge receiving tank, the sludge can be scraped to the outlet side from almost the entire bottom surface of the sludge receiving tank. If the rake plate moves forward along the bottom of the sludge receiving tank toward the outlet and moves upside down from the chain on the return side of the chain, it overflows the upper edge of the rake plate during return. By making it lower than the upper edge of the flow plate, the sludge blanket in the settling tank is not disturbed.
  • FIG. 3 is a sectional view taken along line III-III in FIG. 2.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 2. It is a top view of the coagulation sedimentation apparatus concerning another embodiment.
  • 1 to 4 show an agglomeration precipitation apparatus 1 according to a first embodiment of the present invention.
  • the coagulating sedimentation apparatus 1 includes a tank body 2 having a pair of short walls 2a, 2c and a pair of long walls 2b, 2d and having a rectangular shape (as a whole, a rectangular parallelepiped shape) in plan view, and the tank body 2 is provided along the longitudinal direction of the tank body 2 between the partition plates 3, 4 provided in the short direction (width direction) and the partition plate 4 and the short wall 2 c of the tank body 2. It has an overflow plate 5 and the like.
  • the tank body 2 has a width of 2.2 m or less, a length of 5.6 m or less, and a height of 2.6 m or less so that it can be mounted on a 4t track.
  • the width of the tank body 2 is preferably 1.0 to 2.2 m, particularly 1.5 to 2.2 m.
  • the length of the tank body 2 is preferably 1.0 to 5.6 m, particularly 1.5 to 5.6 m.
  • the height of the tank body 2 is preferably 1.0 to 2.6 m, particularly 1.5 to 2.6 m.
  • the partition plates 3 and 4 stand up from the bottom surface 2 e of the tank body 2 to the vicinity of the upper edge of the tank body 2.
  • the partition plates 3 and 4 are connected to the longitudinal walls 2 b and 2 d of the tank body 2.
  • a machine room 10 is provided between the partition plate 3 and the short wall 2a of the tank body 2, and a control panel, a pump, and other devices are installed therein.
  • the settling tank 12 and the sludge receiving tank 13 are partitioned by the overflow plate 5.
  • the ratio V 1 / V 2 between the volume V 2 of the volume V 1 and the precipitation tank 12 of the coagulation reaction tank 11 is preferably about 0.9-1.2.
  • an inorganic flocculant and a cationic polymer flocculant can be added by a chemical injection device (not shown), and a stirrer 15 for agitating the liquid in the tank is provided. .
  • An agglomeration reaction liquid outlet 16 is provided at the upper part of the partition plate 4, and an advection tray (which may be a pipe) 17 is connected to the upper part of the partition plate 4 as a transfer member so as to be connected to the outlet 16. ing.
  • the advection tray 17 is provided with a chemical injection device (not shown) for adding an anionic polymer flocculant.
  • the sedimentation tank 12 preferably has a substantially square shape in plan view.
  • a center well 18 is provided in the center of the settling tank 12.
  • the center well 18 has a cylindrical shape and is provided with an enlarged diameter portion 18A in the upper part.
  • the tip of the advection tray 17 is arranged so that the agglomeration reaction liquid flows out in a substantially tangential direction in the enlarged diameter portion 18A.
  • a distributor 19 is provided below the center well 18.
  • the distributor 19 is formed of a tubular body extending in the radial direction from the center well 18, and an outlet 19a is provided toward the downstream side in the rotational direction.
  • the distributor 19 is provided with a rake 19b facing downward, but may be omitted.
  • the center well 18 is supported by the bottom surface 2e of the tank body by the shaft support portion 20, and is rotatable about the axis.
  • the upper part of the center well 18 is connected to the rotating shaft 22a of the driving device 22 via the bracket 21.
  • a stirring blade 23 is attached near the middle of the center well 18 in the vertical direction.
  • the trough 25 for taking out supernatant water is provided in the upper part in the sedimentation tank 12.
  • the trough 25 has a U-shaped vertical cross section, and is configured such that the supernatant water in the settling tank 12 flows into the trough 25 through a V-notch 25a provided at the upper edge.
  • the trough 25 is provided in a frame shape so as to surround the center well 18.
  • the trough 25 extends along the long wall 2b and the short wall 2c of the tank body 2 and the partition plate 4 with a predetermined interval therebetween.
  • a V notch 25a is provided on the upper edge of the trough 25 only on the center well 18 side (inside the surrounding frame).
  • the trough 25 extends in the longitudinal direction of the tank body 2 above the overflow plate 5 on the center well 18 side.
  • V notches 25a are provided on both the upper edge of the trough 25 on the center well 18 side (inside the surrounding frame) and on the sludge receiving tank 13 side (outside the surrounding frame).
  • a treated water extraction pipe 26 is connected to the trough 25.
  • the V-notch 25 a of the trough 25 becomes the liquid level in the precipitation tank 12.
  • the enlarged diameter portion 18A is located above the liquid level.
  • the enlarged diameter portion 18A may be disposed in contact with the liquid surface.
  • an inclined plate 28 is provided so as to incline downward toward the center of the sedimentation tank 12, and is configured to eliminate a stagnation area of liquid or sludge.
  • the overflow plate 5 has a height that rises from the bottom 2e to a height of about 50 to 80% of the liquid level in the precipitation tank 12.
  • a sludge blanket S is formed in the settling tank 12 up to the height of the upper edge of the overflow plate 5.
  • the amount of the sludge blanket S formed in the settling tank 12 increases with the treatment, but if the level of the sludge blanket S (sludge interface) exceeds the height of the overflow plate 5, the sludge (pellet) of the sludge blanket S Overflows the overflow plate 5 and falls into the sludge receiving tank 13.
  • An inclined plate 29 is provided on the bottom surface in the sludge receiving tank 13. The inclined plate 29 is installed so as to have a downward gradient from the longitudinal wall 2d toward the overflow plate 5.
  • a sludge outlet 30 for taking out sludge (pellet) in the sludge receiving tank 13 is provided at the lower part of the short wall 2c.
  • a rake device 31 for moving sludge (pellets) toward the sludge outlet 30 is provided.
  • the rake device 31 includes a driving side sprocket wheel 32 and a driven side sprocket wheel 33 provided on the overflow plate 5 and the longitudinal wall 2d, respectively, and a chain 34 that spans between the sprocket wheels 32 and 33 and rotates endlessly. And a rake plate 35 installed across the chains 34 and 34 and fixed to each chain 34, and a drive device 36 for driving the drive-side sprocket wheel 32. Two or more rake plates 35 are preferably provided.
  • the rake plate 35 moves (forward movement) from the partition plate 4 side toward the sludge outlet 30 side along the inclined plate 29, so that the sludge (pellet) at the bottom in the sludge receiving tank 13 is transferred to the sludge outlet 30. Raked.
  • the rake plate 35 moves forward from the partition plate 4 side to the take-out port 30 side, the rake plate 35 is in a posture of hanging from the chain 34.
  • the rake plate 35 moves backward from the outlet 30 toward the partition plate 4, the rake plate 35 stands up from the chain 34.
  • the upper end of the standing rake plate 35 is preferably located lower than the upper edge of the overflow plate 5 by 50 cm or more. Further, the lower side portion of the rake plate 35 in the suspended state is at an angle along the surface of the inclined plate 29.
  • raw water is introduced into the coagulation reaction tank 11 through a pipe (not shown), an inorganic coagulant, a pH adjuster, and a cationic polymer coagulant are added. Stirred to become an agglutination reaction solution.
  • This agglomeration reaction liquid flows out to the advection tray 17 and, after anionic polymer flocculant is added, is supplied in a tangential direction into the enlarged diameter portion 18A of the center well 18 and swivels in the enlarged diameter portion 18A. It flows into the well 18, flows down in the center well 18, flows into the distributor 19, and flows out from the outlet 19 a toward the downstream side in the rotational direction of the distributor 19.
  • the feed well 18 does not have the enlarged diameter portion 18A and the aggregating treatment liquid is directly introduced into the feed well 18, air in the atmosphere is entrained in the aggregating treatment liquid, and bubbles are mixed into the precipitation tank 12. There is a fear.
  • the sedimentation tank 12 is relatively small, there is a high possibility that the sludge in the sludge blanket S will be rolled up if any air bubbles are mixed. Therefore, the feed well 18 is provided with an enlarged diameter portion 18A, and the agglomeration treatment liquid is caused to flow tangentially into the enlarged diameter portion 18A and swirled. Air bubbles are not mixed.
  • the distributor 19 and the stirring blade 23 are slowly rotated by the driving device 22, whereby the inside of the sedimentation tank 12 is slowly stirred, and the generation and growth of sludge (pellets) in the flocs floc and sludge blanket S is promoted. A stable sludge blanket S is generated.
  • the rotation speed of the distributor 19 is preferably about 0.6 to 1.4 rpm.
  • the flocculation flocs adhere to the sludge (pellets) in the sludge blanket and become clear treated water.
  • the clear treated water that has passed through the sludge blanket S rises in the sedimentation tank 12, flows into the trough 25 from the V notch 25a, and is taken out of the coagulating sedimentation apparatus 1 through the extraction pipe 26.
  • V notches 25a are provided on both sides of the center side of the sedimentation tank 12 and the sludge receiving tank 13 side, and other than the overflow plate 5 side.
  • the V notch 25a is provided only in the side part of the sedimentation tank 12 center side.
  • the upward flow LV in the settling tank 12 can be set large. That is, by providing a V notch on the sludge receiving tank 13 side of the trough on the overflow plate 5 side, a part of the liquid in the settling tank 12 flows toward the sludge receiving tank 13 to form an upward flow. It is discharged from the notch as treated water. Thereby, the upward flow LV in the vicinity of the trough 25 is slightly smaller than the upward flow LV in the settling tank 12, and it becomes easy to obtain treated water with stable water quality.
  • the upward flow LV in the settling tank 12 can be set large.
  • the upward flow LV in the settling tank 12 can be set to 5 to 20 m / hr, particularly about 8 to 15 m / hr.
  • the sludge (pellet) of the sludge blanket S becomes higher than the overflow plate 5
  • the sludge (pellet) overflows the overflow plate 5 and flows into the sludge receiving tank 13 and settles at the bottom of the sludge receiving tank 13.
  • This sludge (pellet) is scraped to the outlet 30 side by the rake plate 35 and is taken out of the coagulating sedimentation apparatus 1 from the outlet 30 via an extraction pipe and a sludge pump (not shown).
  • This sludge pump is ON / OFF controlled by an interface meter or timer that detects the sludge interface height in the sludge receiving tank 13.
  • the tank body 2 of the coagulation sedimentation apparatus 1 has a rectangular shape in plan view that is large enough to be mounted on a 4t track, it can be easily transported. Further, by previously integrating a stirrer, a center well, a distributor, and other attached equipment in the production factory, the installation work of the coagulating sedimentation apparatus 1 is remarkably facilitated.
  • the rake device 31 is installed in the sludge receiving tank 13, and the precipitated sludge (pellet) is smoothly taken out from the sludge outlet 30.
  • the rake device 31 includes a rake plate 35 that moves along the inclined plate 29, and can remove sludge (pellet) from almost the entire bottom surface of the sludge receiving tank 13 toward the outlet 30.
  • the rake plate 35 moves forward along the inclined plate 29 toward the outlet 30, and moves upright from the chains 34, 34 on the return side of the chain 34. Since the upper edge of the rake plate 35 passes sufficiently lower than the upper edge of the overflow plate 5 during the backward movement, the sludge blanket S in the settling tank 12 is not disturbed.
  • the settling tank 12 and the sludge receiving tank 13 are arranged adjacent to each other in the short direction of the tank body 2, but the sludge receiving tank 13 is the settling tank as in the coagulating sedimentation apparatus 1 ′ of FIG. You may arrange
  • the other configuration of the coagulation sedimentation apparatus 1 'in FIG. 5 is the same as that of the coagulation precipitation apparatus in FIGS.
  • the interior of the integrated tank body 2 is partitioned by the overflow plate 5 with the partition plates 3, 4, but for example, the machine room 10, the coagulation reaction tank 11, Alternatively, the settling tank 12 may be manufactured independently, and the integrated tank body 2 may be configured by connecting these independent chambers and tanks.
  • the partition plate 3 corresponds to a wall surface sandwiched between the machine room 10 and the aggregation reaction tank 11
  • the partition plate 4 corresponds to a wall surface sandwiched between the aggregation reaction tank 11 and the precipitation tank 12.
  • the inorganic flocculant is preferably one that forms hydroxide such as PAC, polyiron (polyferric sulfate), salt iron (ferric chloride), or sulfate band.
  • hydroxide such as PAC, polyiron (polyferric sulfate), salt iron (ferric chloride), or sulfate band.
  • calcium compounds such as slaked lime can also be used as the inorganic flocculant.
  • the amount of the inorganic flocculant added is preferably about 20 to 2000 mg / L, particularly about 50 to 1500 mg / L.
  • the cationic polymer (cationic polymer flocculant) is preferably an acrylamide type, and the proportion of the cation group is preferably 10 to 50 mol%, particularly 15 to 40 mol%, and more preferably 15 to 30 mol%.
  • the weight average molecular weight of the cationic polymer flocculant is preferably about 12 million to 25 million, particularly about 15 million to 22 million.
  • the addition amount of the cationic polymer flocculant is preferably 0.1 to 3 mg / L, particularly 0.5 to 2 mg / L.
  • a cationic polymer for example, a copolymer of a cationic monomer and acrylamide can be suitably used.
  • the cationic monomer include dimethylaminoethyl acrylate and dimethylaminoethyl methacrylate (hereinafter, both compounds may be referred to as “dimethylaminoethyl (meth) acrylate”) or a quaternary ammonium salt thereof.
  • Dimethylaminopropylacrylamide, dimethylaminopropylmethacrylamide hereinafter, both compounds may be referred to as “dimethylaminopropyl (meth) acrylamide” or their quaternary ammonium salts are preferably used. Yes, but not limited to this.
  • the product form of the cationic polymer is not particularly limited, such as a powder product, a W / O type emulsion, or a dispersion in which cationic polymer flocculant particles are dispersed in an aqueous medium having a high salt concentration. It is applicable to the general circulation for waste water agglomeration treatment.
  • the anionic polymer is preferably an acrylamide type, and the anionic group ratio is preferably 5 to 30 mol%, particularly 5 to 20 mol%.
  • the weight average molecular weight of the anionic polymer is preferably about 9 million to 20 million, particularly about 10 million to 18 million.
  • the addition amount of the anionic polymer flocculant is preferably 0.2 to 8 mg / L, particularly 0.5 to 6 mg / L.
  • an anionic polymer for example, a copolymer of an anionic monomer and acrylamide, or a hydrolyzate of polyacrylamide can be used.
  • the anionic monomer acrylic acid or a salt thereof can be suitably used.
  • Polymers copolymerized with acrylamide using 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof together with acrylic acid or a salt thereof as an anionic monomer are particularly useful in that they can be used stably over a wide pH range. It can be used suitably.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
PCT/JP2017/008542 2016-09-23 2017-03-03 凝集沈澱装置 WO2018055794A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MYPI2019001492A MY195589A (en) 2016-09-23 2017-03-03 Coagulating Sedimentation Device
KR1020197000875A KR20190053834A (ko) 2016-09-23 2017-03-03 응집 침전 장치
CN201780054213.4A CN109661261B (zh) 2016-09-23 2017-03-03 凝集沉淀装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016185611A JP6183525B1 (ja) 2016-09-23 2016-09-23 凝集沈澱装置
JP2016-185611 2016-09-23

Publications (1)

Publication Number Publication Date
WO2018055794A1 true WO2018055794A1 (ja) 2018-03-29

Family

ID=59678260

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/008542 WO2018055794A1 (ja) 2016-09-23 2017-03-03 凝集沈澱装置

Country Status (6)

Country Link
JP (1) JP6183525B1 (zh)
KR (1) KR20190053834A (zh)
CN (1) CN109661261B (zh)
MY (1) MY195589A (zh)
TW (1) TWI729084B (zh)
WO (1) WO2018055794A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018047435A (ja) * 2016-09-23 2018-03-29 栗田工業株式会社 凝集沈澱装置
JP2018134619A (ja) * 2017-02-24 2018-08-30 オルガノ株式会社 凝集沈殿装置
CN114906980A (zh) * 2022-04-15 2022-08-16 九江礼涞生物科技有限公司 农村分散式微动力生态污水处理装置及处理系统
CN115367849A (zh) * 2022-07-20 2022-11-22 芜湖职业技术学院 一种印染纺织配套污水脱色高效处理设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6779812B2 (ja) * 2017-02-24 2020-11-04 オルガノ株式会社 凝集沈殿装置
JP6993838B2 (ja) * 2017-10-17 2022-01-14 オルガノ株式会社 凝集沈殿装置及び凝集沈殿処理方法
JP6583388B2 (ja) * 2017-11-10 2019-10-02 栗田工業株式会社 沈殿槽
CN109806625B (zh) * 2019-03-29 2024-03-12 郑州大学 一种沉淀池的结构及不均匀沉降的修复方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321307A (ja) * 1989-06-15 1991-01-30 Hitachi Ltd タンク内堆積物の回収装置
JPH0652904U (ja) * 1992-12-25 1994-07-19 嚴一 佐藤 分離装置
JP2000271407A (ja) * 1999-03-26 2000-10-03 Japan Organo Co Ltd 凝集沈澱装置
JP2001120909A (ja) * 1999-10-21 2001-05-08 Japan Organo Co Ltd 凝集沈澱装置
JP2002126406A (ja) * 2000-10-25 2002-05-08 Kurita Water Ind Ltd 凝集沈殿装置
JP2002126407A (ja) * 2000-10-25 2002-05-08 Kurita Water Ind Ltd 沈殿槽
JP2012125716A (ja) * 2010-12-16 2012-07-05 Japan Organo Co Ltd 凝集沈殿装置
JP2013139014A (ja) * 2012-01-06 2013-07-18 Aquaintec Corp スカム除去装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY169235A (en) 2012-09-10 2019-03-19 Kurita Water Ind Ltd Water treatment method and apparatus therefor
JP5799940B2 (ja) * 2012-11-20 2015-10-28 栗田工業株式会社 沈殿槽及びその運転方法
JP6270608B2 (ja) 2013-05-07 2018-01-31 新日鐵住金株式会社 凝集沈殿装置及び凝集沈殿方法
CN204996822U (zh) * 2015-09-30 2016-01-27 湖南艾布鲁环保科技有限公司 一种用于重金属镉污染耕地土壤修复的设备

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321307A (ja) * 1989-06-15 1991-01-30 Hitachi Ltd タンク内堆積物の回収装置
JPH0652904U (ja) * 1992-12-25 1994-07-19 嚴一 佐藤 分離装置
JP2000271407A (ja) * 1999-03-26 2000-10-03 Japan Organo Co Ltd 凝集沈澱装置
JP2001120909A (ja) * 1999-10-21 2001-05-08 Japan Organo Co Ltd 凝集沈澱装置
JP2002126406A (ja) * 2000-10-25 2002-05-08 Kurita Water Ind Ltd 凝集沈殿装置
JP2002126407A (ja) * 2000-10-25 2002-05-08 Kurita Water Ind Ltd 沈殿槽
JP2012125716A (ja) * 2010-12-16 2012-07-05 Japan Organo Co Ltd 凝集沈殿装置
JP2013139014A (ja) * 2012-01-06 2013-07-18 Aquaintec Corp スカム除去装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018047435A (ja) * 2016-09-23 2018-03-29 栗田工業株式会社 凝集沈澱装置
JP2018134619A (ja) * 2017-02-24 2018-08-30 オルガノ株式会社 凝集沈殿装置
CN114906980A (zh) * 2022-04-15 2022-08-16 九江礼涞生物科技有限公司 农村分散式微动力生态污水处理装置及处理系统
CN115367849A (zh) * 2022-07-20 2022-11-22 芜湖职业技术学院 一种印染纺织配套污水脱色高效处理设备

Also Published As

Publication number Publication date
MY195589A (en) 2023-02-02
CN109661261A (zh) 2019-04-19
KR20190053834A (ko) 2019-05-20
TWI729084B (zh) 2021-06-01
JP6183525B1 (ja) 2017-08-23
JP2018047434A (ja) 2018-03-29
CN109661261B (zh) 2021-12-24
TW201813703A (zh) 2018-04-16

Similar Documents

Publication Publication Date Title
WO2018055794A1 (ja) 凝集沈澱装置
KR101800290B1 (ko) 이산화탄소 가스를 이용한 알칼리성 폐수 중화장치 및 이를 이용한 알칼리성 폐수의 중화 처리 방법
CA3027237A1 (en) Solids handling in water treatment systems and associated methods
CN108689584B (zh) 一种污泥混合浓缩排放一体罐
JP2010207670A (ja) 濁水の処理装置
JP6798214B2 (ja) 凝集沈澱装置
KR101606845B1 (ko) 탁수 처리장치
JP2017087090A (ja) 水処理方法及び水処理装置
WO2019077835A1 (ja) 凝集沈殿装置及び凝集沈殿処理方法
US5698109A (en) Purification of aqueous liquor
JP2000317220A (ja) 凝集沈澱装置
JP4281693B2 (ja) 加圧浮上分離装置
JP7074406B2 (ja) 薬剤添加量制御装置及び薬剤添加量制御方法
JP7450328B2 (ja) 凝集沈殿装置、その制御方法及び沈殿槽
JP3958301B2 (ja) 汚濁水処理装置
JP2002355507A (ja) 凝集沈澱装置およびその制御方法
KR20170007721A (ko) 슬러지 블랭킷 공유 방식의 고속 응집 침전 장치 및 슬러지의 고속 응집 침전 방법
CN210795878U (zh) 机械沉淀净水装置
JP6825999B2 (ja) 凝集沈殿装置の運転方法および凝集沈殿装置
JPH04371300A (ja) 汚泥処理装置
KR20160033498A (ko) 슬러지 블랭킷 공유 방식의 고속 응집 침전 장치 및 슬러지의 고속 응집 침전 방법
JP2000317466A (ja) 凝集分離処理装置
CN211971859U (zh) 一种一体化混凝沉淀设备
CN110422917B (zh) 混凝沉淀净水装置
JP6961199B2 (ja) 濁水処理装置及び濁水処理方法

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: 17852575

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20197000875

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17852575

Country of ref document: EP

Kind code of ref document: A1