CN104211174B - A kind of biomembrane reaction apparatus and biomembrane reaction system - Google Patents
A kind of biomembrane reaction apparatus and biomembrane reaction system Download PDFInfo
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- CN104211174B CN104211174B CN201410456413.0A CN201410456413A CN104211174B CN 104211174 B CN104211174 B CN 104211174B CN 201410456413 A CN201410456413 A CN 201410456413A CN 104211174 B CN104211174 B CN 104211174B
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Abstract
The invention discloses a kind of biomembrane reaction apparatus, comprise casing, the flow deflector be located in casing, one group of detachable membrane module, the case lid be located on casing, be located at the pending water inlet on body side, pass back into the mouth of a river, upper water-out mouth, lower outlet, recycling effluent mouth, described detachable membrane module to be located on case lid and to insert in casing, and described detachable membrane module is fixed by mounting block.The invention also discloses the film reaction system based on this device.The present invention discharge come off microbial film, off-line cleaning and change biofilm development source and dismounting membrane module simple, thus reactor can steady in a long-termly be run, low cost of manufacture, the engineering of water treatment occasion being applicable to number of different types uses, can the biofilm reactor of auto-controll operation.
Description
Technical field
The invention belongs to environmental technology field, be specially that design is a kind of is convenient to discharge come off microbial film, off-line cleaning and change the biomembrane reaction apparatus in biofilm development source and reactive system thereof, can be used for surface water, underground water, sanitary sewage and trade effluent etc., the improvement of all kinds of polluted water body.
Background technology
In many areas of China, there is the contaminated problem of water body, it shows as: containing the anionic compound (as nitrate, vitriol, bromate, perchlorate etc.) of excess, heavy metal and refractory organic compounds.
Remove the method for water pollutant and have physics, chemistry and the multiple method such as biological.Wherein in biological process biomembrance process have clean, noresidue, utilization ratio high, with low cost, need not the advantage such as subsequent bio disposal of stability, more and more pay close attention to by people.
The ecosystem that microbial film is made up of the aerobic bacteria of highly dense, anerobe, amphimicrobe, fungi, protozoon and algae etc., solid dielectric of its attachment is called filtrate or carrier.Microbial film outwards can be divided into lonely layer, good gas-bearing formation, attachment water layer, motion water layer from filtrate.Microbial film ratio juris is, first microbial film adsorbs the material in attachment water layer, is decomposed, then enter lonely layer and carry out anaerobic decomposition by the aerobic organism of good gas-bearing formation, aging microbial film then washes out to grow new microbial film, and so forth to reach the object of purifying waste water by flowing water layer.
Biofilm reactor is a kind of device adopting microbial film ratio juris to remove water pollutant, existing biofilm reactor does not consider that the microbial film come off is collected and discharged, in actual moving process, along with the microbial growth cycle, the microbial film come off accumulates gradually, if can not get effective discharge, can reduce the effective volume of reactor, worsen effluent quality simultaneously, biofilm reactor can not steady in a long-termly be run.Though the Chinese patent of application number 201310698439.1 proposes improvement project to the problems referred to above, the program adopts bottom to arrange sludge bucket, and mud discharging mouth is established in the bottom of sludge bucket, concentrates bottom mud discharging mouth to discharge the microbial film mode that comes off, there is following Wen Questions:
1. remove the microbial film that comes off, need opening and closing mud discharging mouth complicated operation.
2., when opening mud discharging mouth, likely cause the large quantity of fluid in reactor, gas to depart from reactor, affect the internal work environment of reactor, be unfavorable for the operation and maintenance of reactor.
3. for the microbial film that makes to come off focuses on bottom mud discharging mouth, make most flow deflector bottom can not with sludge bucket face closure, affect its flow deflector effect.
4. membrane module and upper box lid adopt outside screw airtight, cause outside screw on membrane module dismounting inconvenience and membrane module fragile.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides and be a kind ofly convenient to discharge come off microbial film, off-line cleaning and change the biomembrane reaction apparatus in biofilm development source and reactive system thereof.
Technical scheme: for solving the problems of the technologies described above, a kind of biomembrane reaction apparatus provided by the invention, comprise casing, be located at the flow deflector in casing, one group of detachable membrane module, be located at the case lid on casing, be located at the pending water inlet on body side, pass back into the mouth of a river, upper water-out mouth, lower outlet, recycling effluent mouth, described detachable membrane module to be located on case lid and to insert in casing, described detachable membrane module is fixed by mounting block, described detachable membrane module comprises film growth body, pallet, be located at the film mounting block above film growth body, be located at the spacer above film mounting block, be located at the closed cover on spacer, the male-pipe be connected with closed cover, described pallet be located at film growth body below and fixed by fixed plate and film mounting block, described pallet contacts with casing inner bottom part, described flow deflector comprises the mounting bar of the rectangular three solution shapes of plate body and the cross section bottom plate body, described flow deflector is located between pending water inlet and detachable membrane module and between detachable membrane module respectively, described flow deflector is arranged on box house also and between box inside has a space, a filter screen is provided with between described space, all flow deflectors make sewage see that flowing to is " S " font at casing depression angle, described pallet has by what be connected with supporting plate by a supporting plate the web matched with the right-angle triangle oblique angle of mounting bar, and web and mounting bar hypotenuse tangent.
Further, described case lid and casing are fixed by flange screw and ring flange and are connected.
Further, described body side and tank floor junction are provided with the mounting bar that cross section is scalene right-angle triangle, described flow deflector and tank floor junction are provided with the mounting bar that cross section is scalene right-angle triangle, mounting bar length is equal with the length of the spacing of casing rear wall with cabinet front wall, and opposite case bottom surface place, described detachable membrane module pallet surrounding is all provided with the mounting bar that cross section is scalene right-angle triangle.
Described flow deflector, is located at the flow deflector between pending water inlet and detachable membrane module and filter screen can be installed in the space between box inside, flows to pending water inlet region with the microbial film of slip-off preventing.
Further, a closed head is provided with outside described male-pipe.
A kind of biomembrane reaction Controlling System based on above-mentioned biomembrane reaction apparatus, comprise above-mentioned biomembrane reaction apparatus, controller, describedly pass back into the mouth of a river and recycling effluent mouth by pipeline communication on pipeline, be provided with a reflux pump, described pending water inlet place is provided with one and enters water solenoid valve, described lower outlet place is respectively equipped with low-water level switch and goes out water solenoid valve, described upper water-out mouth place is provided with a high-water switch, described in enter water solenoid valve, low-water level switch, go out water solenoid valve, high-water switch, reflux pump be all communicated with controller.
Biofilm reactor of the present invention adopts casing and several membrane modules easy to assemble can combine by Water condition processing requirement the biofilm reactor formed.Reactor casing is horizontal rectangular parallelepiped, left end is provided with pending water water inlet, passes back into the mouth of a river, right-hand member is provided with upper water-out mouth, recycling effluent mouth, case lid by flange screw and seal washer by reactor case lid and reactor casing upper flange plate compact siro spinning technology integral, containment housing.
Bottom casing right-hand member, lower outlet is housed, its can and connect liquid level sensor as low-water level switch, upper water-out mouth can and connect liquid level sensor as high-water switch, pending water water inlet is connected in series a magnetic valve and enters casing for controlling pending water, all electrical equipment, sensors be connected with reactor can connect a two-position controller, with the Automated condtrol of realization response device water treatment; Tank floor is a plane; Case lid face has several rectangular openings for installation membrane module easy to assemble according to Water condition requirement; Casing is built with some flow deflectors, and top and the case lid of flow deflector are closely connected, and limit, left side or right edge are alternately closely connected with one of them sidewall of former and later two inner side-walls of casing, base and tank floor closely connected. above-mentioned all water inlets, water outlet all can install filter screen.Above-mentioned membrane module easy to assemble is made up of four fixed plates of the film mounting block that the film by closed cover, spacer, confession biofilm development grows body, fixing film grows body, pallet and fixed tray.
In the present invention, closed cover described in membrane module easy to assemble is rectangular flat, and shape is identical with institute's perforate on case lid face, but size is larger than the size in the hole that case lid face is opened, and there is a circular hole at center; Spacer is rectangular flat, shape is identical with institute's perforate on case lid face, upper plane is identical with institute's perforate on case lid face, lower plane is more smaller than institute's perforate on case lid face, there is a circular hole at center, circular hole size is identical with the circular hole on closed cover, when spacer act as and makes membrane module insertion reaction device casing easy to assemble, guides membrane module easy to assemble to locate; Film growth body is different according to its profile of the requirement of Water condition and structure, can be the mesh bag, gas slow-release fiber Guan Cong etc. of solid state carbon source rod, dress granular substance; Membrane module bottom easy to assemble is equipped with one and is connect and deposit the biomembranous pallet that comes off, itself and film mounting block are fixed by four fixed plates by pallet, pallet by a rectangular blade through the discoid thing of four Edge Bends, the mounting bar oblique angle of bending angle and described scalene right-angle triangle matches, in order to accumulating the microbial film come off, pallet horizontal positioned projection vertical view profile is identical with institute's perforate on case lid face, but size is more smaller than it, and tray bottom surface has some leaking holes; Described four fixed plates, the plane of each fixed plate overlaps with closed cover diagonal lines, and fixed plate is played the guide functions at membrane module center easy to assemble for current deflecting simultaneously.
The cross section that in the present invention, tank floor is installed is the effect of the mounting bar of scalene right-angle triangle: the microbial film that one contributes to coming off slips into pallet; It two can stop that bottom half current are to the biomembranous impact falling into pallet, and the microbial film falling into pallet is not flowed with current; It three contributes to the hydraulic pressure resistance ability strengthening casing and flow deflector.
In the present invention, film mounting block has a male union at least, its threaded pipe diameter is slightly less than closed cover Circularhole diameter, plane on spacer and closed cover are harmonious, and make the spacing of the corresponding surrounding of spacer surrounding and closed cover identical, male union is through spacer and closed cover centre hole, with nut screwing clamping make film mounting block and closed cover airtight, male union is used to the nutrition source needed for external biofilm development, the closed head of a band annulus containing internal thread is joined in male union, when this dismantled and assembled membrane module does not need with the nutrition source needed for the external biofilm development of male union or dismantles this membrane module easy to assemble, male union is closed with this closed head.Like this, can prevent foreign matter from entering in membrane module easy to assemble on the one hand, and protect male union screw thread not to be damaged, the annulus on closed head can be utilized to facilitate membrane module easy to assemble to take out from reactor casing on the other hand.Film mounting block bottom is fixed film growth body and is divided according to the requirement film of Water condition growth body profile and structure different, and four fixed plates of pallet and fixed tray also can be used for fixing film and grow body.
Case lid face has the rectangular opening for installing membrane module easy to assemble, and rectangular opening periphery and membrane module closed cover periphery easy to assemble fit, and both accompany a seal washer between contact surface; Case lid face length limit medullary ray is equipped with several set collars, and it is for one end of fixing elastic band, and another termination one of elastic band is linked up with; During membrane module insertion reaction device casing easy to assemble, its spacer guides it to locate chimeric with rectangular opening on case lid face, elastic band hooks reactor casing upper flange plate, and elastic band applies elastic force to membrane module easy to assemble makes it fix.
Beneficial effect: the present invention has the following advantages relative to prior art:
1) reactor of the present invention adopts membrane module bottom easy to assemble installing to connect and deposits the biomembranous tray method that comes off, when membrane module easy to assemble being taken out from reactor casing carry out off-line cleaning, the microbial film that simultaneously will come off takes out to be removed, operation is simple for it, can alleviate because removing the microbial film that comes off to the impact of the internal work environment of reactor, the steady and continuous being conducive to reactor is run.
2) due to membrane module installing fixed plate easy to assemble, can guide functions be played, current be guided the surface flowing through film growth body and not easily flow through.
3), due to membrane module bottom easy to assemble installing fixed plate and pallet, when making membrane module off-line easy to assemble cleaning and dismounting, the effect of protection microbial film and convenient cleaning can be played.
4) flow deflector bottom can be airtight with tank floor, improves the water conservancy diversion effect of flow deflector.
5) adopt spacer to guide membrane module easy to assemble locate chimeric with rectangular opening on case lid face, utilize elastic band to exert pressure fixing to membrane module easy to assemble, make membrane module easy to assemble and the airtight mode of casing, have dismounting quick, facilitate, processing and manufacturing is simple.
6) tank floor is provided with the mounting bar that cross section is scalene right-angle triangle, contributes to the hydraulic pressure resistance ability strengthening casing and flow deflector.
Accompanying drawing explanation
Fig. 1 is the sectional view of biomembrane reaction apparatus in the present invention.
Fig. 2 is the vertical view of biomembrane reaction apparatus in the present invention.
Fig. 3 is dismantled and assembled membrane module structure schematic diagram of the present invention.
Fig. 4 is biomembrane reaction system architecture schematic diagram in the present invention.
In figure:
The pending water water inlet of 1-; 2-passes back into the mouth of a river; 3-upper water-out mouth; 4-recycling effluent mouth; 5-flow deflector; 6-casing; 7-case lid; 8-flange screw; 9-ring flange; 11-closed cover; 12-spacer; 13-film mounting block; 14-fixed plate; 15-film growth body; 16-pallet; 17-male-pipe; 18-closed head; 19-set collar; 20-elastic band; 21-links up with; 22-lower outlet; 23-enters water solenoid valve; 24-goes out water solenoid valve; 25-high-water switch; 26-low-water level switch; 27-reflux pump; 28-controller.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment one:
As Fig. 1-4, the present embodiment, for the treatment of perchlorate sewage disposal, by water technology requirement installing four dismantled and assembled membrane modules in reactor casing 6, is arranged as two row two row.Reactor casing 6 left end sidewall is equipped with and passes back into the mouth of a river 2, left end rear wall is equipped with pending water water inlet 1, water inlet 1 is connected in series one and enters water solenoid valve 23 and enter casing 6 for controlling pending water.Right-hand member front side wall is equipped with upper water-out mouth 3 and recycling effluent mouth 4 from top to bottom, upper water-out mouth 3 connects liquid level sensor as high-water switch 25.Lower outlet 22 is housed as water out up to standard bottom casing right-hand member, water out 22 up to standard connects a threeway, and two other joint of threeway connects as the liquid level sensor 26 of low-water level switch respectively and goes out water solenoid valve 24 for what control that water up to standard flows out casing 6.Reflux pump 27 import connects recycling effluent mouth 4, and reflux pump 27 exports connection and passes back into the mouth of a river 2.Above-mentioned enter water solenoid valve 23, go out water solenoid valve 24, high-water switch 25, low-water level switch 26 and reflux pump 27 and connect a programmable controller 28.Reactor box house is equipped with two pieces of flow deflectors 5, a piece and is arranged between pending water water inlet 1 and left column membrane module easy to assemble, and closely connected with the rear wall of casing 6, and leaves passage between the front side wall of casing 6; Another block is arranged between left column and right row membrane module easy to assemble, and closely connected with the front side wall of casing 6, and leaves passage between the rear wall of casing 6; Flow deflector mounting process is: first make the mounting bar that a cross section is scalene right-angle triangle, intercepted length is with the mounting bar two of the spacing of casing 6 front side wall and casing 6 rear wall, two long square edges of mounting bar closely connected flow deflector pros and cons respectively, namely flow deflector is clipped in the middle by two mounting bars, and then two short square edges of mounting bar are closely connected is fixed on tank floor.Casing 6 side and junction, casing 6 bottom surface and opposite case 6 bottom surface place, detachable membrane module pallet 16 surrounding are all provided with the mounting bar that cross section is scalene right-angle triangle, and the short square edge of mounting bar is closely connected is fixed on casing 6 bottom surface.Case lid 7 by flange screw 8 and seal washer by reactor case lid 7 with reactor casing 6 upper flange plate 9 is airtight links into an integrated entity, containment housing 6.The film of four membrane modules easy to assemble grows body 15 with waste straw for slow release carbon source, be processed into solid in conjunction with natural glue and release carbon-point, its upper end is inserted in the film mounting block 13 of membrane module easy to assemble, lower end is supported by the pallet 16 of membrane module easy to assemble, and pallet 16 is fixed by four fixed plates 14 and film mounting block 13.Four membrane modules easy to assemble load identical solid and release carbon-point, and its male union 17 is all closed with closed head 18. four membrane modules easy to assemble have been assembled, insertion reaction device casing 6, being guided by spacer 12 makes its closed cover 11 and the upper rectangular opening of case lid 7 locate chimeric, and each membrane module easy to assemble two elastic bands 20 are exerted pressure fixing to it.One end of elastic band 20 is fixed by set collar 19, and another termination hook 21, hook 21 hooks the ring flange 9 on reactor casing 6.The cultured perchlorate reduction bacterium liquid of domestication is entered in casing 6 together with the sewage containing perchlorate through pending water water inlet 1, releases carbon-point surface when film growth body 15 and can see obvious microbial film, represent biofilm success.Now reactor can start water treatment operation, and its operation scheme is sequence batch (.Programmable logic controller 28 controls its operational scheme: close out water solenoid valve 24 and lower outlet 22 is closed, and opens and makes water inlet 1 intake into casing 6 into water solenoid valve 23, and when water level reaches upper water-out mouth 3, high-water switch 25 number of delivering letters gives programmable logic controller 28.Programmable logic controller 28 controls to close water inlet 1 into water solenoid valve 23.Pending water rests on for some time in casing 6, perchlorate water inlet fully contacts with the perchlorate reduction's mycoderm releasing carbon-point surface attachment, reacts, period is more abundant for making it contact, programmable logic controller 28 can be interrupted controlling run reflux pump 27, guides current S-type film growth body 15 surface flowing through four membrane modules easy to assemble under flow deflector 5 acts on.After the hydraulic detention time or water quality reaching standard of programmable logic controller 28 setting, programmable logic controller 28 opens out water solenoid valve 24 makes purification water outlet flow out from lower outlet 22, purify waste water after flowing out completely, lower outlet 22 low-water level switch 26 number of delivering letters connect give programmable logic controller 28, programmable logic controller 28 controls to close out water solenoid valve 24 again makes lower outlet 22 close, open and into water solenoid valve 23, water inlet 1 is intake into casing 6, complete a water treatment process.Along with water treatment process repeatedly carries out, it is more that the microbial film that microorganism growth metabolism comes off falls into pallet 16, biofilm development is blocked up, water treatment efficiency declines, need off-line cleaning be carried out to membrane module easy to assemble or change biofilm development releasing carbon source, its operation only needs two hooks 21 of release hook on casing 6 upper flange plate 9, promotes closed head 18 on membrane module easy to assemble.Membrane module easy to assemble is taken out, the upper rectangular opening of membrane module insertion reaction device case lid 7 easy to assemble be removed is replaced with membrane module easy to assemble for subsequent use, it to be exerted pressure fixing with two elastic bands 20. the microbial film come off in pallet 16 removed by the membrane module easy to assemble be removed, cleaning or replacing film growth body 15.Due to membrane module bottom installing fixed plate 14 easy to assemble and pallet 16, during to membrane module off-line cleaning easy to assemble and dismounting, play the effect of protection microbial film and convenient cleaning.
Embodiment two:
The present embodiment is for removing nitrate nitrogen in water.Reactor form and operation scheme substantially identical with embodiment one.Difference is that the film growth body 15 of four membrane modules easy to assemble take sulfur granule as electron carrier, loads mesh bag, is then fixed on film mounting block 13 by mesh bag tying, bag bottom fix by pallet 16, mesh bag is not drifted about under hydraulic action.The present embodiment to release carbon source consumption comparatively large, therefore the membrane module easy to assemble of this reactor is particularly suitable for the occasion that carbon source is released in this frequent replacing.
Embodiment three:
The present embodiment is used for the sewage disposal of the oxysalt such as vitriol, bromate pollutent, and operating method is run continuously.Reactor assembly six membrane modules easy to assemble, arrangement mode is two row three row.Casing 6 left end sidewall is equipped with and passes back into the mouth of a river 2, pending water water inlet 1 left end rear wall is equipped with, right-hand member rear wall is equipped with water water outlet 3 up to standard and recycling effluent mouth 4 from top to bottom, reflux pump import connects recycling effluent mouth 4, and reflux pump outlet connection passes back into the mouth of a river 2.Reactor box house is equipped with flow deflector 5 totally three pieces, and first piece is arranged between pending water water inlet 1 and left column membrane module easy to assemble, and closely connected with the rear wall of casing 6, and leaves passage between the front side wall of casing 6; Second piece is arranged between left column and middle column membrane module easy to assemble, and closely connected with the front side wall of casing 6, and leaves passage between the rear wall of casing 6; 3rd piece is arranged between middle column and right row membrane module easy to assemble, and closely connected with the rear wall of casing 6, and leaves passage between the front side wall of casing 6.The passage left between first piece of flow deflector and casing 6 front side wall is equipped with filter screen.Six membrane module male-pipe 17 joints easy to assemble are used to the nutrition source needed for external biofilm development, and about it, two row connect carbon dioxide air source, and middle column connects sources of hydrogen.Film growth body 15 is gas slow-release fiber fiber tube clump, and external gas source is by fiber fiber tube slow releasing.One Bouquet fiber fiber tube is fixed by film mounting block 13, guarantees that external gas source can only be discharged by fiber fiber tube simultaneously.Water after purification is gone out by upper water-out mouth 3 overflow at top.
The water treatment of number of different types can be applicable to from the visible the present invention of above embodiment, can sequencing batch operation, also can run continuously, running maintenance is simple and convenient, and can automatically control, and the long-term stability realizing water treatment is run, and has popularizing application prospect widely.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a biomembrane reaction apparatus, is characterized in that: comprise casing, be located at the flow deflector in casing, one group of detachable membrane module, be located at the case lid on casing, be located at the pending water inlet on body side, pass back into the mouth of a river, upper water-out mouth, lower outlet, recycling effluent mouth, described detachable membrane module to be located on case lid and to insert in casing, and described detachable membrane module is fixed by mounting block, and described detachable membrane module comprises film growth body, pallet, be located at the film mounting block above film growth body, be located at the spacer above film mounting block, be located at the closed cover on spacer, the male-pipe be connected with closed cover, described pallet be located at film growth body below and fixed by fixed plate and film mounting block, described pallet contacts with casing inner bottom part, described flow deflector comprises the mounting bar of the rectangular three solution shapes of plate body and the cross section bottom plate body, described flow deflector is located between pending water inlet and detachable membrane module and between detachable membrane module respectively, described flow deflector is arranged on box house also and between box inside has a space, be provided with a filter screen between described space, all flow deflectors make sewage see that flowing to is " S " font at casing depression angle, described pallet has by what be connected with supporting plate by a supporting plate the web matched with the right-angle triangle oblique angle of mounting bar, and web and mounting bar hypotenuse tangent.
2. biomembrane reaction apparatus according to claim 1, is characterized in that: described case lid and casing are fixed by flange screw and ring flange and are connected.
3. biomembrane reaction apparatus according to claim 1, is characterized in that: described film growth body is solid state carbon source rod, the dress mesh bag of granular substance, the one of gas slow-release fiber Guan Congzhong.
4. biomembrane reaction apparatus according to claim 3, is characterized in that: the cross section of described mounting bar is scalene right-angle triangle.
5. biomembrane reaction apparatus according to claim 1, it is characterized in that: described mounting block comprises one group of elastic band and one group of set collar, described casing both sides are provided with one group of hook, described elastic band is fixed on by two ends, and hook is exerted pressure fixing to detachable membrane module, is fixed elastic band by set collar.
6. biomembrane reaction apparatus according to claim 1, is characterized in that: be provided with a closed head outside described male-pipe.
7. biomembrane reaction apparatus according to claim 1, is characterized in that: the quantity of described fixed plate is four, is evenly arranged on four angles of supporting plate, and fixed plate keeps overlapping with upper seal lid diagonal lines.
8. the biomembrane reaction Controlling System based on the biomembrane reaction apparatus of claim 1, it is characterized in that: comprise biomembrane reaction apparatus according to claim 1, controller, describedly pass back into the mouth of a river and recycling effluent mouth by pipeline communication on pipeline, be provided with a reflux pump, described pending water inlet place is provided with one and enters water solenoid valve, described lower outlet place is respectively equipped with low-water level switch and goes out water solenoid valve, described upper water-out mouth place is provided with a high-water switch, described enter water solenoid valve, low-water level switch, go out water solenoid valve, high-water switch, reflux pump is all communicated with controller.
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| CN101870542A (en) * | 2010-06-19 | 2010-10-27 | 大连理工大学 | Multistage moving bed biomembrane reactor |
| CN202744377U (en) * | 2012-08-31 | 2013-02-20 | 宜宾虹宇环保科技咨询有限公司 | Baffling bed biological membrane reactor |
| CN203498149U (en) * | 2013-09-17 | 2014-03-26 | 西安绿标水环境科技有限公司 | Combined type aeration moving bed bio-membrane reactor |
| CN204324983U (en) * | 2014-09-09 | 2015-05-13 | 江苏科技大学 | A kind of biomembrane reaction apparatus |
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| JP2008043930A (en) * | 2006-08-21 | 2008-02-28 | Iris Ohyama Inc | Water tank cleaning device and water tank cleaning processing system |
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|---|---|---|---|---|
| CN101870542A (en) * | 2010-06-19 | 2010-10-27 | 大连理工大学 | Multistage moving bed biomembrane reactor |
| CN202744377U (en) * | 2012-08-31 | 2013-02-20 | 宜宾虹宇环保科技咨询有限公司 | Baffling bed biological membrane reactor |
| CN203498149U (en) * | 2013-09-17 | 2014-03-26 | 西安绿标水环境科技有限公司 | Combined type aeration moving bed bio-membrane reactor |
| CN204324983U (en) * | 2014-09-09 | 2015-05-13 | 江苏科技大学 | A kind of biomembrane reaction apparatus |
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