CN103221119A - Long tubular gas dispersion device - Google Patents

Long tubular gas dispersion device Download PDF

Info

Publication number
CN103221119A
CN103221119A CN201180035709XA CN201180035709A CN103221119A CN 103221119 A CN103221119 A CN 103221119A CN 201180035709X A CN201180035709X A CN 201180035709XA CN 201180035709 A CN201180035709 A CN 201180035709A CN 103221119 A CN103221119 A CN 103221119A
Authority
CN
China
Prior art keywords
filter disc
annular filter
annular
dispersion device
mouse cage
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
CN201180035709XA
Other languages
Chinese (zh)
Inventor
贾光旭
陆学民
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.)
Shandong Pumin Environmental Technology Co ltd
SHANDONG HUANKE ENVIRONMENT ENGINEERING CO LTD
Original Assignee
Shandong Pumin Environmental Technology Co ltd
SHANDONG HUANKE ENVIRONMENT ENGINEERING CO LTD
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45821652&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN103221119(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shandong Pumin Environmental Technology Co ltd, SHANDONG HUANKE ENVIRONMENT ENGINEERING CO LTD filed Critical Shandong Pumin Environmental Technology Co ltd
Priority to CN201180035709XA priority Critical patent/CN103221119A/en
Priority claimed from PCT/CN2011/000828 external-priority patent/WO2011143929A1/en
Publication of CN103221119A publication Critical patent/CN103221119A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

A long tubular gas dispersion device is provided, which comprises a support mechanism and a gas dispersion mechanism installed in the support mechanism. The gas dispersing mechanism is a set of annular filter sheet (7) module, and there are slots (14), which pass through the inner and outer annuluses of the annular filter sheet (7), on at least an end face of the annular filter sheet (7). Higher aeration efficiency and easy cleaning function can be obtained by the device, and the device can be easily replaced.

Description

Long-pipe-shaped air dispersion device
Long-pipe-shaped air dispersion device
Technical field
The invention belongs to technical field of waste water purification, more particularly to it is a kind of be used to conveying gas into liquid and Will gases cut into tiny bubble be scattered in gas among elongated tubular Qi body Fen San Installed put.Background technology
In purification of waste water field, in such as sanitary wastewater biological purification system and industrial wastewater biological purification system, it is often necessary to oxygen or air are conveyed into liquid, to provide aerobic environment to microorganism.In order to reach higher oxygen transfer efficiency, it is necessary to which gas is scattered among liquid with smaller and more tiny bubbles.Common method has rotating machinery cutting type and micropore dispersive film, and rotating machinery cutting type is relatively low due to oxygen conversion efficiency, using being limited in scope;And the distributed oxygen conversion efficiency of microporous barrier is higher, application is wider.But due under aerobic conditions microbial reproduction very ' pick out, that can be usually blocked because of the aggregation of microorganism of the micropore on diaphragm uses tolerance and greatly reduced, thus needs to determine the cleaning of phase Peng row.Pond in Practical Project holds all quite greatly, is discharged if used in pond after liquid, then overhauls or clean Qi body Fen San Installeds of the An Installed in pond bottom and put, and certainly will cause greatly to waste and extend the duration.Thus develop a kind of tubular shape plate type combined gas dispersing device similar to existing gas dispersion apparatus profile, it is possible to easily replace existing product, realize that old-fashioned production simply and is conveniently replaced in higher oxygen-transfer efficiency, cleaning
The content of the invention
It is an object of the invention to, overcome the deficiencies in the prior art, there is provided a kind of a kind of contour structures being used in biological purification of effluent field similar tubular shape plate type combined gas dispersing device is put to existing tubular type Qi bodies Fen San Installed, higher oxygen-transfer efficiency and the easily same inch of cleaning function are being obtained, can be with just just the replacement of Peng rows existing product.
In order to solve the above technical problems, the technical scheme is that:A kind of elongated tubular gas point
1
Confirm this Scattered Installed is put, including supporting mechanism and the gas dispersing mechanism on supporting mechanism, and the gas dispersing mechanism is the groove for having the inside and outside rings of on one group of annular filter disc component, at least one end face of the annular filter disc.
Annular filter disc component of the present invention includes at least a piece of annular filter disc and at least a piece of annular slide plate, there is groove on the end face that the annular filter disc is fitted with annular slide plate, and annular filter disc and annular slide plate are spaced.Tiny groove is carved with two end faces of annular filter disc, into 5-75 ° of angle between groove direction and radius, the groove direction on two sides can be same direction, can also be different directions, annular slide plate uses polytetrafluoroethylmaterial material to make to ensure that two end faces are smooth, and the plane of groove and annular slide plate end face on annular filter piece end face, which is superimposed together, has just been circumferentially formed many tiny micropores.
Annular filter disc component of the present invention includes at least one set of annular filter disc fitted.
One end face of annular filter disc of the present invention is to have groove on shiny surface, other end, and the shiny surface of the annular fluted end face of filter disc and other one annular filter disc fits.
There is groove on two end faces of annular filter disc of the present invention.
Supporting mechanism of the present invention includes having many cage bars in mouse cage frame, end cap, the circumferential wall of mouse cage frame, and one end of the mouse cage frame is connected with inflation inlet, and the other end is connected with end cap, and annular filter disc assembly set is on mouse cage frame.
One end that mouse cage frame of the present invention is connected with inflation inlet is fixedly connected with connector, there is inflation inlet on connector.
Present invention additionally comprises opening mechanism, it is described to beat quadrangular, the spring being sleeved on outside quadrangular, the piston with piston bush that Jian mechanisms include being located in mouse cage frame, quadrangular one end is fixedly connected with end cap, and the other end is fixedly connected with the piston, and has high pressure admission mouthful on the piston bush.
Limited location boss on quadrangular of the present invention.
The present invention is to be used for purification of waste water biological treatment for one kind in biological purification of effluent field Tubular shape piece shape combined gas point in system, which dissipates Installed, to be put and is made up of mouse cage frame, annular filter disc, annular slide plate, quadrangular, movable end cover, stainless steel spring, piston and connector with piston bush, mouse cage frame is the screwed mouse cage structure of a cage mouthful, mouse cage frame is threadedly secured to the side of connector, there are 3-68 cage bars in the circumferential wall of mouse cage frame, the outside suit annular filter piece component of cage bar, one movable end cover of the other end Tao Installed of mouse cage frame, end cap can slide axially along cage bar Imitation;The central shaft position that mouse cage frame is arranged on centrally through quadrangular of movable end cover, stainless steel spring is installed between the cage bottom of quadrangular and mouse cage frame, spring pushes mouse cage frame cage mouthful direction to by elastic force Will quadrangulars, thus pulls movable end cover to compress annular filter disc component;There is a positive stop lug boss on quadrangular, the distance between cage bottom of the blunt position boss of P and mouse cage frame is 5-50mm, mono- piston of other end An Installed of quadrangular, piston is arranged in the piston bush in the middle part of connector, You Liang Ge Peng gas ports on connector, it is inflation air inlet that one larger, for input air or oxygen, it is high pressure admission that one less, for promoting piston movement to push out movable end cover, the extruding force between annular filter disc component is disappeared, the distance between piece and piece are pulled open, be conducive to the debris between cleaning.
The beneficial effects of the invention are as follows:The annular filter disc component of many of mouse cage frame periphery is pressed together, being superimposed as a tube wall has perhaps microporous membrane tube, and air or oxygen is cut into countless tiny bubbles by membrane tube under the elastic force effect of stainless steel spring by movable end cover.When these micropores, because of long-term work, parasitic microbe is blocked or blocks inch by physical particles, its gas output greatly reduces even completely plugged, gas makes the air pressure in mouse cage frame is poly- to rise due to not smooth or blocked, movable end cover is by extrapolated to side under gas pressure, spring is compressed, axial compression power release between this inch annular filter disc, between gap increase, open originally blocked outlet passageway, therefore gas overflows from these dozen of Jian passage at high speed, and has washed away the end face of annular filter disc;Annular filter disc can be also set to produce rotation due to there is 5-75 ° of angle between the groove direction on annular filter disc and radius, therefore during gas high velocity sweep;Ring The two sides of shape slide plate and without groove and for smooth plane, rotation is not produced during gas high velocity sweep, therefore filter disc rotates during cleaning, slide plate does not rotate, annular filter disc and annular slide plate are alternately installations, differential phenomenon between piece piece will be considered to occur, cleaning performance is enhanced.Power Sui decline is pressed after gas open, annular filter disc and annular slide plate are extruded and be superimposed again under spring force effect, are returned to original state.Made because annular slide plate employs polytetrafluoroethylene (PTFE), surface is smooth and adhesion coefficient is very small, therefore with non-stick, when this smooth plane and the groove of annular filter disc constitute micropore inch, these micropores are also provided with half non-stick, this can improve the unimpeded domestic animal of micropore, and be easy to cleaning.When needing artificial cleaning inch, compressed gas can be conveyed into the high pressure Peng gas ports of connector by pipeline, piston is pushed outwards dynamic, and spring is moved laterally by pressure Shrink, movable end cover, annular filter disc and annular slide plate are opened the artificial cleaning of realization.There is a positive stop lug boss on quadrangular, the distance of positive stop lug boss and the gate of a village of the cage bottom of mouse cage frame is 5- 50nun, this data is once fixed, spacing distance is also determined that, it may insure that quadrangular promotes movable cover inch to be unlikely to out of hand laterally, excessive displacement Will makes movable end cover depart from mouse cage frame and accident occur.Compressed gas disappearance inch in connector high pressure admission mouthful, under the elastic force effect of spring, quadrangular pulls movable end cover to move inward, and annular filter disc component is extruded, and is returned to original state.Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1,
Fig. 2 is the schematic cross-sectional view in Fig. 1 along A- A directions,
Fig. 3 is the structural representation of the annular filter disc component of the embodiment of the present invention 1, and Fig. 4 is the structure schematic diagram of the embodiment of the present invention 2,
Fig. 5 is the structure schematic diagram of the embodiment of the present invention 3.
In figure:1. inflate, 2. piston bush, 3. connectors, 4. high pressure Peng gas ports, 5. pistons, 6. mouse cage framves, 7. annular filter discs, 8. annular slide plates, 9. quadrangulars, 10. stainless steel bombs The blunt position boss of spring, 11. P, 12. movable end covers, 13. cage bars, 14. grooves, 15. micropores.The present invention is further described with reference to the accompanying drawings and examples.
Embodiment
Embodiment 1
In accompanying drawing 1, Fig. 2 and accompanying drawing 3, tubular shape plate type combined gas dispersing device by mouse cage frame 6,
Annular filter disc 7, annular slide plate 8, quadrangular 9, movable end cover 12, stainless steel spring 10, piston 5 and the connector 3 with piston bush are constituted.Mouse cage frame 6 is the screwed mouse cage structure of a cage mouthful, the side for being threadedly secured in connector 3 that mouse cage frame 6 passes through cage.There are 6 cage bars in the circumferential wall of mouse cage frame 6, the outside of cage bar 13 alternately covers the annular filter discs 7 of Installed and annular slide plate 8.45 ° of direction and the radius angle of many tiny groove grooves are carved with the tow sides of annular filter disc 7, and the groove on two sides is same direction.The tow sides of annular slide plate 8 are all planes, to ensure that the smooth property annular slide plate 8 of plane is made using polytetrafluoroethylmaterial material.Annular filter disc 7 replaces after installation with annular slide plate 8, one side of the annular filter disc with groove and a plane of annular slide plate are overlapped, many circumferential micropores 15 are formed in the gate of a village of two end faces being close to, here it is the micropore for air or oxygen to be dispersed into many tiny bubbles.One movable end cover 12 of the other end Tao Installed of mouse cage frame 6, this end cap can slide axially along the certain distance of cage bar 13;Movable end cover 12 is connected centrally through screw thread is vertical with quadrangular 9, and quadrangular 9 is arranged on the central axis of mouse cage frame 6;Stainless steel spring 10 is installed, spring pushes quadrangular to mouse cage frame cage mouthful direction by elastic force, thus pulls movable end cover 12 to compress annular filter disc 7 and annular slide plate 8 between the cage bottom of quadrangular 9 and mouse cage frame 6.There is a positive stop lug boss 11 on quadrangular 9, the distance between positive stop lug boss 11 and cage bottom of mouse cage frame are 10mm.Mono- piston 5 of other end An Installed of quadrangular 9, the An Installed of piston 5 are in the piston bush 2 at the middle part of connector 3;There are two air inlets on connector 3, It is inflation inlet 1 that one larger, for input air or oxygen, and the size of this inflation inlet can be processed according to the installation dimension at scene.It is high pressure admission 4 to lead a less air inlet, for promoting piston movement to push out movable end cover 12, the extruding force between annular filter disc 7 and annular slide plate 8 is disappeared, the distance between piece and piece draw Jian, are conducive to the debris of the gate of a village of cleaning.
The annular filter disc of many of mouse cage frame periphery and annular slide plate are pressed together, being superimposed as a tube wall has perhaps microporous membrane tube, and gas is cut by membrane tube under the elastic force effect of stainless steel spring by movable end cover
It is cut into countless tiny bubbles.The quantity of annular filter disc and annular slide plate determines movable end cover compressional movement
Position is spacing.After the gate of a village distance of positive stop lug boss and the cage bottom of mouse cage frame on quadrangular is determined, spacing distance is also determined that, it can be ensured that quadrangular is unlikely to excessive in promotion movable cover inch laterally and occurred unexpected.When many micropores, because of long-term work, parasitic microbe is blocked or blocks inch by physical particles, its gas output greatly reduces even completely plugged, gas makes the air pressure in mouse cage frame is poly- to rise due to not smooth or blocked, movable end cover is by extrapolated to side under gas pressure, stainless steel spring Bei Ya Shrink, axial compression power release between this inch annular filter disc and annular slide plate, between gap increase, blocked outlet passageway is opened, therefore gas is quick from the passage of these openings at high speed overflows and has washed away the end face that annular filter disc carries groove, foreign matter is cleaned.Because the gate of a village in the groove directions of ^ 1 on annular filter disc and radius has 30 ° of angle, and therefore the groove direction on annular filter disc two sides can also make annular filter disc produce rotation in the same direction during gas high velocity sweep;The two sides of annular slide plate and without groove and for smooth plane, rotation is not produced during gas high velocity sweep, therefore the annular filter disc rotation during cleaning, annular slide plate does not rotate, annular filter disc and annular slide plate are alternately installations, phenomenon differential between annular filter piece and annular slide plate just occurs, cleaning performance is enhanced.Power Sui decline is pressed after gas open, the annular filter disc under the effect of stainless steel spring elastic force It is extruded and is superimposed again with annular slide plate, is returned to original state.Made because annular slide plate employs polytetrafluoroethylene (PTFE), surface is smooth and adhesion coefficient is very small, therefore with non-stick, when this smooth plane and the groove of annular filter disc constitute micropore inch, these micropores are also provided with half non-stick, this can improve the smoothness of micropore, with the cycle of prolonged jam and can be easy to cleaning.When needing artificial cleaning inch, Ya Shrink gases can be conveyed into the Gao Ya Peng gas ports of connector by pipeline, piston is pushed outwards dynamic, stainless steel spring Bei Ya Shrink, movable end cover is promoted laterally by quadrangular, and annular filter disc and annular slide plate are opened, and realize artificial cleaning.Positive stop lug boss on quadrangular can limit quadrangular and excessively push out movable cover.Compressed gas disappearance inch in connector high pressure admission mouthful, under the elastic force effect of stainless steel spring, quadrangular pulls movable end cover to move inward, and annular filter disc and annular slide plate are extruded, and are returned to original state.Because whole mechanism has all been arranged on the inside of mouse cage frame, outside shape is extremely identical with the profile of existing tubular gas dispersion apparatus in one tubular, is easy in maintenance process directly replace existing product.
Embodiment 2
According to Fig. 4, there are many tiny grooves 14 on one end face of annular filter disc 7, groove can be covered with whole end face, it can also be a part for end face, there is 5-75 ° of angle between groove direction and radius, another end face is shiny surface, the shiny surface that such a filter disc has the end face of groove 14 and another filter disc is overlapped, and many circumferential micropores 15. are formed between two end faces being close to here it is micropore 15 for air or oxygen to be dispersed into many tiny bubbles.
Embodiment 3
According to Fig. 5, there are many tiny grooves 14 on two end faces of annular filter disc 7, groove can be covered with whole end face, can also be a part for end face, the angle for having 5-75 ° between groove direction and radius, the groove direction of two end faces can be with identical, can also be different Two such annular filter disc 7 is superimposed, and many circumferential micropores 15 is formed between two end faces being close to, here it is the micropore 15 for air or oxygen to be dispersed into many tiny bubbles.

Claims (9)

  1. Claim
    1st, a kind of long-pipe-shaped air dispersion device, it is characterized in that:Gas dispersing mechanism including supporting mechanism and on supporting mechanism, the gas dispersing mechanism is the groove for having inside and outside ring on one group of annular filter disc component, at least one end face of the annular filter disc.
    2nd, a kind of long-pipe-shaped air dispersion device according to claim 1, it is characterised in that:The annular filter disc component includes at least a piece of annular filter disc and at least a piece of annular slide plate, there is groove on the end face that the annular filter disc is fitted with annular slide plate, and annular filter disc and annular slide plate are spaced.
    3rd, a kind of long-pipe-shaped air dispersion device according to claim 1, it is characterised in that:The annular filter disc component includes at least one set of annular filter disc fitted.
    4th, a kind of long-pipe-shaped air dispersion device according to claim 3, it is characterised in that:One end face of the annular filter disc is to have groove on shiny surface, other end, and the shiny surface of the annular fluted end face of filter disc and other one annular filter disc fits.
    5th, a kind of long-pipe-shaped air dispersion device according to claim 3, it is characterised in that:There is groove on two end faces of the annular filter disc.
    6th, the long-pipe-shaped air dispersion device according to claim 1,2,3,4 or 5, it is characterised in that:The supporting mechanism includes having many cage bars in mouse cage frame, end cap, the circumferential wall of mouse cage frame, and one end of the mouse cage frame is connected with inflation inlet, and the other end is connected with end cap, and annular filter disc assembly set is on mouse cage frame.
    7th, long-pipe-shaped air dispersion device according to claim 6, it is characterised in that:One end that the mouse cage frame is connected with inflation inlet is fixedly connected with connector, there is inflation inlet on connector.
    8th, the long-pipe-shaped air dispersion device according to claim 1,2,3,4 or 5, it is characterised in that:Also include opening mechanism, the opening mechanism includes the quadrangular, the spring being sleeved on outside quadrangular, the piston with piston bush being located in mouse cage frame, quadrangular one end is fixedly connected with end cap, and the other end is fixedly connected with the piston, and has high pressure admission mouthful on the piston bush.
    9th, elongated tubular ^^^ devices according to claim 8, it is characterised in that:Have on the quadrangular Positive stop lug boss.
CN201180035709XA 2010-07-14 2011-05-11 Long tubular gas dispersion device Pending CN103221119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180035709XA CN103221119A (en) 2010-07-14 2011-05-11 Long tubular gas dispersion device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201020268239.4 2010-07-14
CN201020268239 2010-07-14
PCT/CN2011/000828 WO2011143929A1 (en) 2010-05-19 2011-05-11 Long tubular gas dispersion device
CN201180035709XA CN103221119A (en) 2010-07-14 2011-05-11 Long tubular gas dispersion device

Publications (1)

Publication Number Publication Date
CN103221119A true CN103221119A (en) 2013-07-24

Family

ID=45821652

Family Applications (3)

Application Number Title Priority Date Filing Date
CN2011101066765A Expired - Fee Related CN102381751B (en) 2010-07-14 2011-04-27 Combined type gas dispersion device
CN2011101066835A Pending CN102381752A (en) 2010-05-19 2011-04-27 Long-tubular gas dispersing device
CN201180035709XA Pending CN103221119A (en) 2010-07-14 2011-05-11 Long tubular gas dispersion device

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN2011101066765A Expired - Fee Related CN102381751B (en) 2010-07-14 2011-04-27 Combined type gas dispersion device
CN2011101066835A Pending CN102381752A (en) 2010-05-19 2011-04-27 Long-tubular gas dispersing device

Country Status (1)

Country Link
CN (3) CN102381751B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102381751B (en) * 2010-07-14 2013-08-28 山东普民环保科技有限公司 Combined type gas dispersion device
CN103755014B (en) * 2014-01-03 2016-04-20 山东普民环保科技有限公司 A kind of micro-hole aerator
CN104355395B (en) * 2014-10-28 2016-08-17 北京伊柏机电设备有限公司 A kind of gas distributor and aerator
CN105036305B (en) * 2015-07-13 2017-07-07 北京伊柏机电设备有限公司 A kind of aerator and micropore screen device
CN110540288A (en) * 2019-09-11 2019-12-06 山东普民环保科技有限公司 Air dispersing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102381752A (en) * 2010-07-14 2012-03-21 山东环科环境工程有限公司 Long-tubular gas dispersing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2568417B2 (en) * 1987-11-16 1997-01-08 海洋工業株式会社 Deep aeration equipment such as reservoirs
CN2451577Y (en) * 2000-09-30 2001-10-03 陈鼎成 Pipe type air dissipation apparatus with improved structure
CN2558652Y (en) * 2002-07-09 2003-07-02 中国科学院长春应用化学研究所 Microhole pipe type aerator for sewage treatment
CN201850174U (en) * 2010-05-19 2011-06-01 山东环科环境工程有限公司 Plate type combined gas dispersing device
CN202089820U (en) * 2010-05-19 2011-12-28 山东环科环境工程有限公司 Long-pipe-shaped air dispersion device
CN202173890U (en) * 2010-08-12 2012-03-28 山东环科环境工程有限公司 Sheet combined gas dispersing device in elongated tube outline
CN201760238U (en) * 2010-08-12 2011-03-16 山东环科环境工程有限公司 Platy combined gas dispersion device with long tubular appearance

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102381752A (en) * 2010-07-14 2012-03-21 山东环科环境工程有限公司 Long-tubular gas dispersing device

Also Published As

Publication number Publication date
CN102381751B (en) 2013-08-28
CN102381751A (en) 2012-03-21
CN102381752A (en) 2012-03-21

Similar Documents

Publication Publication Date Title
CN103221119A (en) Long tubular gas dispersion device
US20100230340A1 (en) Sealing assembly for a chromatography column
CN102671898A (en) Inner-diameter-variable cleaning device of pipeline cleaning robot
CN204237676U (en) Novel all-in-one MBR membrane bioreactor
CN202089820U (en) Long-pipe-shaped air dispersion device
CN103755014B (en) A kind of micro-hole aerator
CN201760238U (en) Platy combined gas dispersion device with long tubular appearance
CN112978858A (en) Industrial wastewater ultrafiltration membrane treatment system and treatment process thereof
CN202173890U (en) Sheet combined gas dispersing device in elongated tube outline
CN205483674U (en) Sewage collection system
CN209271081U (en) A kind of fermentation tank tail gas processing unit
CN105823653A (en) Sewage collection device
CN201850174U (en) Plate type combined gas dispersing device
CN203715364U (en) Spiral net barrel combined biological rotating disc
CN202190610U (en) Air cleaning device for isolator
CN208791347U (en) A kind of Industrial Waste Water Treatments processing unit
CN203668103U (en) Micro-porous aerator
CN206404427U (en) A kind of Novel filter cartridge
CN212327803U (en) Harmful gas treatment equipment for plastic particle production
CN102976480B (en) Spring loaded microporous breathable film
CN219264488U (en) Dust-free workshop air circulation device
CN204607672U (en) Suspended biological filler modified node method
CN211811423U (en) Bioengineering waste liquid classification collecting box
CN205102283U (en) Novel low temperature plasma purifies device
CN105293733A (en) Multilevel sewage treatment device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130724