CN101244349A - A screw press type filter for wastewater treatment - Google Patents

A screw press type filter for wastewater treatment Download PDF

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Publication number
CN101244349A
CN101244349A CNA2008100061527A CN200810006152A CN101244349A CN 101244349 A CN101244349 A CN 101244349A CN A2008100061527 A CNA2008100061527 A CN A2008100061527A CN 200810006152 A CN200810006152 A CN 200810006152A CN 101244349 A CN101244349 A CN 101244349A
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CN
China
Prior art keywords
waste water
scraping blade
filter
press type
screw press
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.)
Pending
Application number
CNA2008100061527A
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Chinese (zh)
Inventor
金运燮
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Individual
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Individual
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Publication date
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Publication of CN101244349A publication Critical patent/CN101244349A/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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • 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
    • 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

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

Abstract

The invention relates to a screw pressure evaporator used for the waste water treatment, which is used in the process for removing the liquid matter from the waste water in the food industry. A porous cylinder in the cylindrical shape is arranged inside the outer tube, and the cylindrical metal filter is arranged inside the porous cylinder. The screw wiper blade of the rotary worm scrapes the solid matter filtered by the metal filter, and a movable regulating stop piece is inserted in the rotation axis for adjusting the size of the lumpy object export. The liquid matter in the waste water led from the waste water entry flows through the metal filter, thereby discharging singly through the liquid matter export. The solid matter in the waste water is compressed by the crew wiper blade of the rotary worm thereby forming the lumpy object which is then discharged singly from the lumpy object export.

Description

The screw press type filter that is used for wastewater treatment
Technical field
The present invention relates to a kind of screw press type filter that is used for wastewater treatment, be applied to from waste water, remove in the food industry process of liquid substance, wherein pass through to use hot water from oily, and/or be applied to livestock industry such as extracting the fruit of palm fruit to fruit.
Background technology
Dehydration is crucial in wastewater treatment process, thereby before waste water flowed into river or sea area, the waste water that cleaning food industry and/or livestock industry produce was so that prevent water pollution.
In wastewater treatment process, when using filter, the solid matter in the waste water, particularly tiny solid matter can be apace separates with liquid substance in the waste water.Therefore, filter is widely used in separating solids from sewage, food industrial wastewater and livestock industrial wastewater.Now developed and used dissimilar dehydrators with filter.For example, the dehydrator of simple types allows waste water to flow through fixing filter, and centrifugal filter makes the cylindrical bucket rotation that wherein is provided with filter, to force to discharge solid matter.
But the conventional dehydration device needs backwash usually, and wherein backwash is to form along the direction opposite with the flow direction of normal process water is artificial, so that wash the pollutant that is accumulated on the filter.In this backwash process, waste water flows and temporarily to be interrupted, perhaps waste water another dehydrator that detours.
Therefore, treatment effeciency reduces, and needs standby dehydrator to be used for backwash process.
Summary of the invention
For the problems referred to above that solve prior art propose the present invention, therefore the invention provides a kind of novel scheme, thus the waste water of food industry and/or livestock industry is carried by the pressure of the spiral scraping blade of screw rod, thereby liquid substance is passed through, but the solid matter compression forms block.
In addition, can from metallic filter, wipe solid matter continuously off by using the spiral scraping blade, thereby, also can keep the function of metallic filter even do not use backwash process.
When separating solids material from liquid substance, can improve waste water treatment efficiency.According to the present invention, waste water flows in the cylindrical metal filter and is rotated the screw rod extruding, thereby the liquid substance in the waste water is deviate from, but the compression of the solid matter in the waste water is formed block.Then, liquid substance is discharged separately by the Small Holes on the metallic filter, but can not then be pushed, thereby make the solid matter of compression form block, discharge separately subsequently through the solid matter of metallic filter by screw axial.Here, use the spiral scraping blade of screw rod from the hole of metallic filter, to remove solid matter.Therefore, the present invention has avoided backwash process simultaneously, and has improved the dewatering efficiency of waste water greatly.
In the present invention, when waste water flowed into the cylindrical metal filter through waterwater entrance, the pressure of screw rod made the axial flow of waste water along the cylindrical metal filter, thereby made liquid substance flow through hole on the metallic filter.
On the contrary, can not be compressed by the pressure of screw rod through the solid matter of metallic filter, thereby form block, discharge by the block outlet subsequently.
The spiral scraping blade of rotation is swiped continuously and is removed the solid matter that stops up the hole on the metallic filter, thereby metallic filter can keep its filtering function, does not even need backwash process, and described backwash process is that water is injected along the direction opposite with filtering direction.
According to the present invention, the waste water of food industry and/or livestock industry can use the physical filtering process to dewater, thereby liquid substance can separate with the solid matter that forms block.More specifically, when the waste water of food industry and/or livestock industry flows to metallic filter and is filtered by metallic filter, wherein said metallic filter closely is bonded on the inner periphery of cylindrical perforated cylinder, and liquid substance flows through filter and discharges the chamber through liquid substance subsequently and discharge separately.
On the contrary, the pressure of the spiral scraping blade that can not be rotated through the solid matter of metallic filter drives vertically and compresses, thereby forms block, discharges by the block outlet subsequently.
In the present invention, the terminal of screw rod can be swiped continuously and be stopped up the solid matter in the hole on the metallic filter, thereby no longer need inject traditional backwash process of water along the direction opposite with filtering direction.Therefore, can carry out waste water dehydration in food industry and/or the livestock industry fast and effectively.
Description of drawings
From detailed description, will be expressly understood above and other objects of the present invention, feature and other advantage more below in conjunction with accompanying drawing.In the accompanying drawings:
Fig. 1 is the part cutaway drawing of expression screw press type filter of the present invention;
Fig. 2 is a screw press type filter of the present invention cutaway view longitudinally; And
Fig. 3 is that screw press type filter of the present invention is along horizontal cutaway view.
The specific embodiment
More intactly describe screw press type filter of the present invention below with reference to the accompanying drawings, wherein accompanying drawing is expressed representative embodiments of the present invention.
As depicted in figs. 1 and 2, screw press type filter has urceolus 11, and described urceolus 11 comprises that compression chamber 25, liquid substance are discharged chamber 28 and block is discharged chamber 29.In compression chamber 25, has the waterwater entrance 21 that flows into waste water.On liquid substance discharge chamber 28, has the liquid substance outlet 22 of discharging the liquid substance of deviating from.Have block outlet 23 on block discharge chamber 29, the part that block is discharged chamber 29 has opening, and the block that is formed by the solid matter that compresses exports 23 discharges by block.
Discharge 28 inside, chamber at liquid substance and be provided with perforated cylinder 12, and metallic filter 13 is bonded on the inner periphery of perforated cylinder 12.
Metallic filter 13 is members of braid shape, is made by litzendraht wire wiry, and is formed with Small Holes in wiry interweaving between the part.
Perforated cylinder 12 is cylindrical shapes, is used for support metal filter 13.Be formed with the big metering-orifice with predetermined diameter in perforated cylinder 12, the size in these holes makes metallic filter 13 can not collapse in this hole.Therefore, only the liquids mass-energy in the waste water through the hole on the perforated cylinder 12.
Spiral scraping blade 15 is the spiral plates that closely contact with the inner periphery of metallic filter 13.Spiral scraping blade 15 is bonded on the screw rod 14 in the shape of a spiral shape, so that with its rotation.
Core at urceolus 11 is equipped with rotating shaft 17, is used to transmit the revolving force of motor 19, and screw rod 14 is installed on rotating shaft 17 and regulates stop part 18.
It is conical regulating stop part 18, and is inserted in movably on the rotating shaft 17, makes it can close or open block outlet 23, thereby regulates the size of block outlet 23.
Below structure of the present invention will be described more specifically.
Food industrial wastewater is introduced compression chamber 25 through waterwater entrance 21, is then taken to metallic filter 13 by spiral scraping blade 15.
Spiral scraping blade 15 is to be bonded on the screw rod 14 with spiral-shaped, and the inner surface of tight contacting metal filter 13.Spiral scraping blade 15 is preferably by the synthetic resin manufacturing with predetermined elasticity.
When spiral scraping blade 15 rotation, with high pressure waste water 25 is transported to block and discharges chamber 29 from the compression chamber, thereby the liquid substance only in the waste water flows through the hole on the metallic filter, discharge chamber 28 through liquid substance then and liquid substance outlet 22 is flowed out.Simultaneously, spiral scraping blade 15 strikes off solid matter from metallic filter 13, and while compression solid material is so that solid matter forms block.
In above-mentioned spiral scraping blade 15, can also install with lower member so that reach tight contacting metal filter 13.
Shown in the amplifier section of Fig. 2, be formed with helicla flute 30 in the terminal of spiral scraping blade 15.
Spiral elasticity scraping blade 16 utilizes spring lever 31 and helical spring 20 to be assemblied in the helicla flute 30, thereby makes it have elastic-restoring force.
The elasticity of helical spring 20 makes more closely contacting metal filter 13 of spiral elasticity scraping blade 16.
That is to say, even metallic filter 13 or spiral scraping blade 15 not exclusively are circular, the elastic-restoring force that is produced by the elasticity of helical spring 20 also can drive spiral elasticity scraping blade 16 tight contacting metal filters 13, thereby the contact force that is higher than the contact force that the material character because of spiral scraping blade 15 produces is provided.
The representative embodiments of the invention described above will be described below.
When the waste water of food industrial wastewater and/or livestock industry was introduced in the compression chamber 25 of urceolus 11 through waterwater entrance 21, to metallic filter 13, screw rod 14 was connected rotation with the rotating shaft 17 of motor 19 to the spiral scraping blade 15 of waste water by screw rod 14 with high-pressure delivery.
Then, metallic filter 13 filtered wastewaters make liquid substance flow through metallic filter 13, and flow through liquid substance discharge chamber 28, and the trickle material outlet 22 then.
Simultaneously, spiral scraping blade 15 can not flow through metallic filter 13 and the solid matter that is accumulated on its inner surface strikes off, thereby make solid matter form block, discharge in the chamber 29 at block then and assemble.
Discharge at block by spiral scraping blade 15 and to assemble in the chamber 29 but block not from wherein discharging, in the compression chamber 25 and block discharge the chamber 29 inner high pressure that form.
Under predetermined pressure, regulate stop part 18 and move, discharge outlet 23 thereby partially open block, further compress so that be subjected to the block of high pressure, discharge through block outlet 23 then.
Adjusting stop part 18 can be followed rotating shaft 17 and be moved forward and backward, is used to close the size that block is discharged outlet 23 or regulated its opening.The pressure that flows through the waste water of metallic filter 13 can appropriately be regulated according to the openings of sizes of block discharge outlet 23, thus the degree of regulating the waste water dehydration.
In order further to strengthen the contact force between spiral scraping blade 15 and the metallic filter 13, aforesaid the present invention can also have with lower member.
As shown in Figure 3, have opposing flanges 26 in the coupling part of perforated cylinder 12, this perforated cylinder 12 around the outer surface of metallic filter 13 so that support it.Have elastic filler 24 between opposing flanges 26, perforated cylinder 12 is tightened by fastening bolt 27 and nut 32.
In perforated cylinder 12 with said structure, even the excircle of spiral scraping blade 15 not exclusively is circular, elastic filler 24 also can expand according to the profile of spiral scraping blade 15 or shrink, thereby change the diameter of perforated cylinder 12, thereby strengthen the contact force between spiral scraping blade 15 and the metallic filter 13.
According to aforesaid aspect of the present invention, in the screw press type filter that uses physical filtering processing waste water, be provided with columniform perforated cylinder 12 in urceolus 11 inside, in perforated cylinder 12, be provided with columniform metallic filter 13, the spiral scraping blade 15 of rotary screw 14 strikes off the solid matter that is filtered by metallic filter 13, movable adjusting stop part 18 inserts rotating shaft 17 so that regulate the size of block outlet 23, thereby make the liquid substance in the waste water of introducing by waterwater entrance 21 flow through metallic filter 13, thereby discharge separately through liquid substance outlet 22, then be not rotated spiral scraping blade 15 extruding of screw rod 14 in the waste water by the solid matter of metallic filter 13, thereby the formation block is discharged separately by block outlet 23 then.
If desired, spiral scraping blade 15 can have helicla flute 30 in its terminal, and spiral elasticity scraping blade 16 can be assemblied in the helicla flute 30 by spring lever 31 and helical spring 20.
If desired, perforated cylinder 12 can have opposing flanges 26 in its coupling part, can insert elastic filler 24 between the opposing flanges 26 of perforated cylinder 12, utilizes the opposing flanges 26 that bolt 27 and nut 32 can fastening perforated cylinder 12.
According to aforesaid the present invention, when food industry and/or livestock industry produce in food processing process when concentrating waste water, for example when from such as the fruit of palm fruit, carrying out the deep fat extraction, the hole of the spiral scraping blade 15 of rotation on can continuous wash metallic filter 13, thus metallic filter 13 can clean waste water continuously and apace.
Therefore, the present invention can not need backwash metallic filter 13, and has improved the purification of waste water ability by the dewatering that waste water is applied high pressure, thereby has obviously strengthened the ability that prevents that river or sea area water from polluting.
Though described the present invention in conjunction with different embodiment, the present invention is not limited to this, correspondingly, a lot of alternative, modifications and variations can obviously be found out in the aspect that persons skilled in the art are described in detail in the above.Top description comprises the spirit and interior all these of broad range that drop on claim and substitutes and variation.

Claims (3)

1. screw press type filter that utilizes physical filtering to handle waste water, described screw press type filter comprises:
Be arranged on the perforated cylinder of urceolus inner cylindrical;
Be arranged on the metallic filter of described perforated cylinder inner cylindrical;
Have the rotary screw of the spiral scraping blade that is used to strike off solid matter, described solid matter leaches by described metallic filter; And
Insert in the helical axis and export big or small movable adjusting stop part to regulate block,
Therefore flow through described metallic filter by the liquid substance in the waste water of waterwater entrance introducing, thereby outlet is discharged separately through liquid substance, then be not rotated the spiral scraping blade extruding of screw rod in the waste water by the solid matter of metallic filter, thereby the formation block, described then block is discharged separately by described block outlet.
2. screw press type filter according to claim 1, the terminal of wherein said spiral scraping blade has helicla flute,
Described screw press type filter also comprises: spiral elasticity scraping blade, spring lever and helical spring, wherein said spiral elasticity scraping blade is assemblied in the described helicla flute by described spring lever and helical spring.
3. screw press type filter according to claim 1 and 2, the coupling part of wherein said perforated cylinder has relative flange,
Described screw press type filter also comprises elastic filler, and described elastic filler wherein utilizes the relative flange of the fastening described perforated cylinder of screw bolt and nut between the relative flange of described perforated cylinder.
CNA2008100061527A 2007-02-16 2008-02-15 A screw press type filter for wastewater treatment Pending CN101244349A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070016510A KR100732984B1 (en) 2007-02-16 2007-02-16 A screw press type filter for wastewater treatment
KR1020070016510 2007-02-16

Publications (1)

Publication Number Publication Date
CN101244349A true CN101244349A (en) 2008-08-20

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CN (1) CN101244349A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104470614A (en) * 2012-03-19 2015-03-25 丹麦纯滤有限责任公司 Rotating separator
CN104879514A (en) * 2015-04-27 2015-09-02 上海同臣环保有限公司 Sludge discharge adjusting valve
CN104961309A (en) * 2015-07-02 2015-10-07 龙岩市三昌环保工程有限公司 Cantilever type solid-liquid separator and dryness-wetness adjusting method thereof
CN105363254A (en) * 2015-11-24 2016-03-02 开封中节能再生能源有限公司 Garbage leachate filter
CN105523700A (en) * 2016-01-18 2016-04-27 薛成俊 Excrement dehydration pre-treatment device for animal husbandry
JP6288630B1 (en) * 2017-04-05 2018-03-07 三菱化工機株式会社 Screw press
CN108379890A (en) * 2018-03-19 2018-08-10 冷应杰 A kind of waste water filtering processing equipment
CN110314433A (en) * 2019-07-30 2019-10-11 浙江坤月新材料有限公司 A kind of high viscosity fluid pot strainer
CN111905300A (en) * 2020-07-22 2020-11-10 河南省冶金研究所有限责任公司 Sand throwing fire extinguishing device for gas station
TWI733641B (en) * 2020-12-31 2021-07-11 永順利食品機械股份有限公司 Squeezing dehydration device

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KR100834355B1 (en) 2006-11-08 2008-06-09 서동진 A waste water disposal apparatus
KR101057389B1 (en) 2009-10-21 2011-08-18 주식회사 대협이앤지 Trash treatment
KR101120669B1 (en) 2011-01-20 2012-03-16 장기완 Sludge dehydration apparatus
KR101193020B1 (en) 2012-08-22 2012-10-22 주식회사 무한기술 Port screw press
KR101476825B1 (en) * 2014-07-09 2014-12-26 정유미 Processer for separated solution of organic waste

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KR200232299Y1 (en) * 2001-03-09 2001-09-26 이정엽 Washing and odor eliminating apparatus of screw press for the filth dehydration
KR200232305Y1 (en) * 2001-03-12 2001-10-06 주식회사 한성환경기연 wedge wire screen type screw press
KR200232306Y1 (en) * 2001-03-12 2001-10-06 주식회사 한성환경기연 oil heating type screw press
KR200353564Y1 (en) * 2003-11-12 2004-06-22 안태호 Waste sludge concentrator
KR100616244B1 (en) * 2006-05-12 2006-08-28 주식회사 건화엔지니어링 Dehydration device of gravity type for manage waste water institution

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104470614A (en) * 2012-03-19 2015-03-25 丹麦纯滤有限责任公司 Rotating separator
CN104879514B (en) * 2015-04-27 2017-05-10 上海同臣环保有限公司 Sludge discharge adjusting valve
CN104879514A (en) * 2015-04-27 2015-09-02 上海同臣环保有限公司 Sludge discharge adjusting valve
CN104961309A (en) * 2015-07-02 2015-10-07 龙岩市三昌环保工程有限公司 Cantilever type solid-liquid separator and dryness-wetness adjusting method thereof
CN105363254A (en) * 2015-11-24 2016-03-02 开封中节能再生能源有限公司 Garbage leachate filter
CN105523700B (en) * 2016-01-18 2018-01-19 南阳泰都环保科技有限公司 A kind of animal husbandry excrement is dehydrated pretreatment unit
CN105523700A (en) * 2016-01-18 2016-04-27 薛成俊 Excrement dehydration pre-treatment device for animal husbandry
JP6288630B1 (en) * 2017-04-05 2018-03-07 三菱化工機株式会社 Screw press
WO2018185888A1 (en) * 2017-04-05 2018-10-11 三菱化工機株式会社 Screw press
CN108379890A (en) * 2018-03-19 2018-08-10 冷应杰 A kind of waste water filtering processing equipment
CN108379890B (en) * 2018-03-19 2020-06-26 浙江华岛环保设备有限公司 Wastewater filtering treatment equipment
CN110314433A (en) * 2019-07-30 2019-10-11 浙江坤月新材料有限公司 A kind of high viscosity fluid pot strainer
CN111905300A (en) * 2020-07-22 2020-11-10 河南省冶金研究所有限责任公司 Sand throwing fire extinguishing device for gas station
TWI733641B (en) * 2020-12-31 2021-07-11 永順利食品機械股份有限公司 Squeezing dehydration device

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Open date: 20080820