CN205687746U - There is MBR film group device and the MBR system of reciprocator - Google Patents
There is MBR film group device and the MBR system of reciprocator Download PDFInfo
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- CN205687746U CN205687746U CN201620545799.7U CN201620545799U CN205687746U CN 205687746 U CN205687746 U CN 205687746U CN 201620545799 U CN201620545799 U CN 201620545799U CN 205687746 U CN205687746 U CN 205687746U
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- Prior art keywords
- group device
- film group
- film
- mbr
- support
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
This utility model provides a kind of reciprocating MBR film group device, described film group device includes film group device support 42 and the film silk 41 being attached thereto, the top of film group device support 42 is provided with multiple support lifting point 44 symmetrically, wherein, described film group device also includes reciprocating movement driving device, described driving means includes cylinder 9 and the piston rod 10 being connected, and one end of described driving means is fixing with building to be connected, and the other end is connected with the top of film group device support 42.This utility model substitutes aeration or orbit Design by moving back and forth, make film silk in reciprocating motion severe impact, collide, rub, it is achieved the self-cleaning effect of film group device and system.
Description
[technical field]
This utility model relate to MBR film group device, particularly one can reciprocating MBR film group device, and containing
State the MBR system of film group device.
[background technology]
Membrane bioreactor MBR is a kind of efficient sewage disposal device, by being provided with a large amount of hollow fiber ultrafiltration membrane
Film group device be immersed in membrane cisterna and realize sewage water filtration.High-concentration sewage in membrane cisterna contacts with hollow-fibre membrane, takes out in negative pressure
Under suction, clear water enters the cavity in hollow-fibre membrane through the minimum micropore on film silk surface, and mud is blocked on outside film silk surface,
Thus realize mud-water separation.In running, the sludge blanket of film silk outer surface absorption constantly thickeies and formed flow resistance, because of
This affects the infiltration capacity of ultrafilter membrane.Prior art mainly makes the film silk in membrane cisterna wave by aeration, makes mud de-from its surface
Fall.Owing to using aeration means, the major defect of the method is that energy consumption is higher.
As improvement, prior art there is the method using ultrasonic activation film silk remove fouling membrane, or use electromagnetic vibration
The method of dynamic film group device removes fouling membrane, or uses the mode of film group device up-down vibration to remove fouling membrane.But these schemes are the most not
Obtain satisfied effect, or there is respective defect.
U.S. Patent application US2014097132 discloses a kind of MBR system, and film group device is installed in orbit, passed through by it
Motor drives eccentric, is then connected with film group device by connecting rod, enables film group device to move back and forth in orbit.Film silk is at film
Move back and forth in membrane cisterna under the drive of group device, moved by film silk and control fouling membrane.But, its shortcoming is it is apparent that locate
Film silk in MBR film group device outward flange or central area can not clean up, and in film group device, the film silk of partial portion has dead angle, from
Clean scarce capacity, affects the water flow of film silk.Secondly, the steel wheel of this system carries out faster reciprocal motion for a long time on rail,
Track is serious with wheel wear, and frictional resistance is big.Additionally, the uneven current impulsive force to film group device in pond, it is delivered to
On steel wheel, cause steel wheel deflection in orbit, add quick-wearing, time serious, even result in overturning.
[utility model content]
The purpose of this utility model is to overcome prior art not enough, it is provided that a kind of simple in construction, can easily be accommodated and install, energy
Enough realize the MBR film group device of horizontal reciprocating movement, and there is the MBR system of described film group device.
This utility model provides a kind of MBR film group device with reciprocator, and described film group device includes that film group device props up
Frame 42 and the film silk 41 being attached thereto, the top of film group device support 42 is provided with multiple support lifting point 44 symmetrically, wherein, described
Film group device also includes cylinder 9 and the piston rod 10 that reciprocating movement driving device, described driving means include being connected, and described drives dress
The one end put is fixing with building to be connected, and the other end is connected with the top of film group device support 42.
In this utility model, film silk 41 i.e. hollow-fibre membrane silk (film silk bunch), it is fixedly installed on film group device support
Bottom, and total water producing pipe of membrane cisterna it is ultimately connected to by suction branch.In running status, film silk and the bottom of film group device support
Subregion is submerged in water.Film silk, suction branch are the ordinary skill in the art with the connection of film group device support, do not do at this
Repeat.
In this utility model, there are four, six, eight, or more (such as bases as required in support lifting point 44
The size of film group device support).Owing to the shape of cross section of film group device support is generally rectangular, there are four for support lifting point
Situation, four lifting points should be symmetricly set on four angles of cradle top surface;When six lifting points, three can be used
The arrangement mode of row two row is symmetrical arranged;When eight lifting points, the arrangement mode that can use four row two row is symmetrical
Arrange;By that analogy.
In this utility model, for the ease of describing, for including cylinder 9 and the driving means of piston rod 10, at its axle
On direction, its one end being connected with film group device support 42 is defined as near-end, and the other end is defined as far-end.
The far-end of this driving means is connected with building, such as (such as passing through hinge) and film by the way of mechanical connection
The wall in pond is fixing to be connected, or is connected to fixture (such as by rational in infrastructure by support or other mechanical link
Frame is connected to upper beam 5).Preferably, for the ease of installing, as far-end, (i.e. the far-end of driving means is cylinder 9 to optional cylinder
End), by the top of such as chain connection cylinder 9 with membrane cisterna 1 pool wall.Now, near as driving means of piston rod 10
End is connected (such as by hinged) with the top of film group device support 42.Can also set between piston rod 10 and film group device support 42
Put quill 11, to extend the length of piston rod 10, or for the distance between regulating piston bar 10 and support 42.
In this utility model, it is preferable that cylinder 9 is connected with membrane cisterna by mechanical connection manner, and quill 11 passes through
Mechanical connection manner is connected with the top of film group device support 42.
This utility model also provides for a kind of MBR system with reciprocator, and described MBR system includes membrane cisterna 1, sets
Putting the aforementioned film group device in membrane cisterna 1, described membrane cisterna 1 has water inlet pipe 2 and produces supply mains 3, produces supply mains 3 by being attached thereto
Suction branch 4 be connected to the film silk of film group device;Described system also includes being set in parallel on two above membrane cisterna 1 or many
Beam 5, every upper beam 5 is provided with multiple suspension centre 6, the support lifting point arranging position and film group device support 42 top of described suspension centre 6
The position of 44 coordinates one by one;Each suspension centre 6 to location matches and support lifting point 44 is connected by mechanical link.
Owing to membrane cisterna may be provided with many group MBR film group devices, therefore the quantity of upper beam 5 and position is set should be with film group device
Match.Suspension centre 6 can be integrally fixed at upper beam 5 ad-hoc location, it is also possible to arranges many group suspension centres 6 at upper beam 5, in order to adjust
Joint.
Mechanical link between upper beam 5 with film group device support 42 includes suspension rod 7 and the flower basket bolt 71 being connected.This
Outward, suspension rod can also substitute with chain.
Flower basket bolt generally by having the left and right rotation adjusting rod of screw thread, nut and pull bar form, and utilize leading screw to stretch
Contracting, can finely tune the distance at upper and lower two ends.
For the ease of controlling, described system also includes being connected with cylinder 9, for controlling the 3 position-5 way electricity of cylinder 9 action
Control valve 12 (also referred to as 3 position-5 way electromagnetic valve).Electrically-controlled valve belongs to known technology with the connection of cylinder with control, does not do superfluous at this
State.Preferably, the reciprocating frequency of system of the present utility model is 0.5-1Hz, and this motion frequency can be by electrically-controlled valve
Control.
Under operation, sewage enters membrane cisterna 1 from water inlet pipe 2, under the negative pressure-pumping effect producing supply mains 3, and clear water
Penetrate through film silk 41 surface on film group device 4, enter the inner chamber of hollow-fibre membrane, then by film group device suction branch 43, enter
Produce supply mains 3, finally flow into clear water reserviors.
Film group device 4 passes through four symmetrically arranged lifting points 44 of film group device support 42, is suspended on upper beam 5 by suspension rod 7
Lower section.Suspension rod 7 and the connected mode of film group device support 42 are hinged, make film group by adjusting the flower basket bolt 71 in the middle part of suspension rod 7
Device 4 is in level, prevents the film group device 4 in water from glancing off in running.
On pool wall in membrane cisterna 1, it is positioned at pre-embedded steel slab is above water set, be used for arranging double-acting cylinder 9, cylinder
Hinge 8 is used to be connected between the cylinder barrel of 9 and pool wall.Piston rod 10 near-end of cylinder 9 is additionally provided with sleeve 11, itself and film group device support
42 tops are also by chain connection.
MBR film group device run time, by 3 position-5 way electrically-controlled valve realize cylinder 9 is controlled, promote piston rod 10 to
Proximal movement, piston rod 10 extends, and piston rod 10 (and sleeve 11) promotes the motion of film group device 4 forward horizontal.Then, piston rod 10
Regain, pull film group device 4 rearward movement.Circulate with this, it is achieved move back and forth.
In terms of connection, every upper beam arranges multiple hanger, for having two by mechanical connection manner (such as welding)
The scheme of root upper beam, the position of the hanger on every upper beam should be arranged in pairs, and can be with the position of support lifting point 42
Corresponding.
The middle part of suspension rod 7 is provided with flower basket bolt structure, adjusts flower basket bolt 71 and can adjust the length of suspension rod, it is ensured that film group
Device 4 is horizontal.
The end face of film group device 4, between suspension rod 7 and girder steel formed parallelogram, during film group device reciprocally swinging, should
Parallelogram constantly deforms, but symmetrically arranged suspension rod can synchronous hunting, film group device can be in level all the time, it is achieved
Pendulum model moves back and forth.
Can see that according to pendulum theory maintaining pendulum dynamic power of not stopping transport is the conversion of kinetic energy and potential energy.Film group device
Being in middle part kinetic energy in period maximum, when film group device is in two ends, its potential energy is maximum.During swing, the horizontal displacement of film group device is L=R
× Sin β, wherein R is the length of suspension rod, and β is the deflection angle of suspension rod.The vertical displacement of film group device is H=R × cos β.
The kinestate of film group device can be adjusted by the length adjusting suspension rod.I.e. when horizontal displacement one timing, suspension rod is long
Spending the shortest, when film group device swings, its vertical displacement is the biggest, and i.e. to present upper and lower vertical jitter state the most violent for film group device.Work as suspension rod
Length is the longest, and the subitem of vertical movement up and down of film group device is the least, and film group device motion is the most steady.The vertical hunting up and down of film group device,
Contribute to pollutant the coming off from film silk surface of solid.
When film group device motion for around suspension centre swings i.e. crankmotion time, rotary motion generation centrifugal force, film group device around
Suspension centre reciprocating rotary, thus drive the water body between membrane module to make crankmotion, the centrifugal force that water body rotates makes current direction
Lower flowing, the mud in film group device can be taken at the bottom of pond by these current flowing as early as possible, reduces the sludge concentration within film group device, keeps away
Exempt from mud tunicle silk second adsorption.Meanwhile, current enter inside film group device from top, and current present low concentration current from upper
Portion enters film group device, and high concentration current flow out the circulation of film group device from bottom.
During film group device reciprocally swinging, owing to being generally of high intensity liner in film silk, therefore film silk can consolidate and be arranged on
On film group device support, and the mud of film silk surface adhesion can be got rid of under the influence of centrifugal force, departs from film silk surface.This
Outward, swing the collision friction between the film silk caused and can remove the pollutant on membrane removal silk surface further.
Making film silk repeatedly bend by the reciprocating motion of film group device, the stress of film silk surface cake layer is continually changing, and causes
Cake layer is tired, cracking, finally realizes polluter and comes off.
Compare with the straight reciprocating motion formula of prior art, the water flow inside of MBR film group device of the present utility model to
Lower circulating path is clear and definite.Compared with aeration MBR, the current of aeration MBR are to flow from bottom to top, and the high concentration bottom membrane cisterna is dirty
Mud takes to come inside film group device, is particularly easy to cause sludge accumulation to arrive film silk top.And this utility model is by reciprocally swinging, under
The horizontal displacement distance of portion's film silk is longer, and the horizontal displacement of upper membrane silk distance is shorter.Therefore the movement velocity of lower film silk
Greatly, power effect is big, and impact and frictional force are also big, so lower film silk self-purification capacity is better than upper membrane silk, overcome with this
Defect the highest in sludge concentration inequality, sludge concentration in membrane cisterna.
The motion frequency of film group device is changed by adjusting cylinder.According to test, be 0.5Hz when the motion frequency of film group device and
When the movement travel of film group device is 10cm, film silk cleaning performance is preferable.It is of course also possible to adjust running frequency according to different quality.
For further energy efficient, reciprocally swinging film group device typically can use the method for operation of pulsed, the most often
Within 10-20 minute, improving reciprocating frequency, the altofrequency carrying out one period of short time runs (such as running 10 seconds).
Reciprocating motion MBR film group device of the present utility model and system thereof substitute aeration or the track of conventional art by motion
Design, effectively reduces the oxygen content of membrane cisterna, and overcomes the defect that track is easily lost.The reciprocal of film group device is passed through between film silk
Move and produce violent relative motion, mutually impact, collide, rub, the absorption mud on film silk surface is desorbed.Subtract
Few water flows through membrane resistance, keeps the permeability of the surface micropore of film silk.
[accompanying drawing explanation]
Fig. 1 is the structural representation of MBR system of the present utility model;
Fig. 2 is the MBR film group device of the present utility model kinestate schematic diagram at vertical;
Fig. 3 is the kinestate schematic diagram of MBR film group device (locally) of the present utility model;
Wherein: 1, membrane cisterna;2, water inlet pipe;3, total water producing pipe;4, film group device;5, upper beam;6, suspension centre;7, suspension rod;8, hinge;
9, cylinder;10, piston rod;11, sleeve;12, electrically-controlled valve;
41, film silk;42, film group device support;43, suction branch;44, support lifting point;71, flower basket bolt;72, bearing.
[detailed description of the invention]
By following embodiment, the technical solution of the utility model is described without limitation.Protection domain of the present utility model
Should be determined by claims, the technical scheme of all equivalents broadly falls into protection domain of the present utility model.
Embodiment 1
MBR system as shown in Figure 1, including membrane cisterna 1, film group device 4 and for fixing the bindiny mechanism of film group device.
Membrane cisterna has conventional arrangement of water inlet pipe 2 and produces supply mains 3, produces supply mains 3 and is connected to film group by suction branch 4
The film silk of device.The wall of membrane cisterna 1 fixes one group of reciprocating movement driving device by hinged, including the cylinder 9 being connected, piston rod 10 and
Sleeve 11, and for controlling the 3 position-5 way electrically-controlled valve 12 of cylinder 9 action.
Film group device includes conventional arrangement of film group device support 42 and film silk 41.Set symmetrically at the top of film group device support 42
There are four support lifting points 44.The top of film group device support 42 is connected through the hinge with the end of sleeve 11.
Bindiny mechanism's part, arranges two upper beams 5 membrane cisterna 1 is parallel above, and every upper beam 5 has many groups be arranged in pairs and hangs
Point 6, the setting of suspension centre 6 is corresponding with the position of the support lifting point 44 of film group device support 42.By having gaily decorated basket screw-rod structure
Suspension rod 7 connects suspension centre 6 and support lifting point 44.Install appropriate after, by regulation gaily decorated basket screw rod, it is ensured that film group device 4 is in level
State.
Method of operation aspect, realizes pulsed by electrically-controlled valve and moves back and forth.With 10min as cycle, each cycle has
10s is that altofrequency (1Hz) moves back and forth, and remaining time is that low frequency moves back and forth (0.5Hz).The displacement of piston rod is
10cm。
So, under operation, the sewage in membrane cisterna is under the negative pressure-pumping effect producing supply mains 3, and clear water passes through film
Silk 41 surface enters the inner chamber of hollow-fibre membrane, enters and produces supply mains 3.Mud is trapped within film silk 41 surface, then by pendulum
Dynamic and film silk surface departs from, and is gradually settled down to bottom membrane cisterna, it is achieved the self-cleaning of the film silk of film group device.
Reciprocating motion MBR film group device of the present utility model and system thereof substitute aeration or the track of conventional art by motion
Design, effectively reduces the oxygen content of membrane cisterna, and overcomes the defect that track is easily lost.The reciprocal of film group device is passed through between film silk
Move and produce violent relative motion, mutually impact, collide, rub, the absorption mud on film silk surface is desorbed, subtracts
Few water flows through membrane resistance, keeps the permeability of the surface micropore of film silk.
Claims (9)
1. having the MBR film group device of reciprocator, described film group device includes film group device support (42) and the film being attached thereto
Silk (41), the top of film group device support (42) is provided with multiple support lifting point (44) symmetrically, it is characterised in that described film group device
Also include cylinder (9) and piston rod (10), described driving means that reciprocating movement driving device, described driving means include being connected
One end and building fixing be connected, the other end is connected with the top of film group device support (42).
MBR film group device the most according to claim 1, it is characterised in that support lifting point (44) have four, six or eight.
MBR film group device the most according to claim 1, it is characterised in that piston rod (10) away from cylinder (9) one end also
Being provided with quill (11), described driving means is connected with film group device support (42) by quill (11).
MBR film group device the most according to claim 1, it is characterised in that cylinder (9) is by mechanical connection manner with membrane cisterna even
Connecing, quill (11) is connected with the top of film group device support (42) by mechanical connection manner.
MBR film group device the most according to claim 4, it is characterised in that mechanical connection manner is hinged.
6. there is the MBR system of reciprocator, it is characterised in that described MBR system includes membrane cisterna (1), is arranged on membrane cisterna
(1) according to the film group device described in claim any one of claim 1-5, described membrane cisterna (1) have water inlet pipe (2) and
Produce supply mains (3), produce supply mains (3) and be connected to the film silk of film group device by the suction branch (4) being attached thereto;Described system is also
Including two or many upper beams (5) being set in parallel in above membrane cisterna (1), every upper beam (5) is provided with multiple suspension centre (6), described
The position that arranges of suspension centre (6) coordinates one by one with the position of the support lifting point (44) at film group device support (42) top;By machinery
Bindiny mechanism connects each suspension centre to location matches (6) and support lifting point (44).
System the most according to claim 6, it is characterised in that described mechanical link includes suspension rod (7) and the flower being connected
Basket bolt (71).
System the most according to claim 6, it is characterised in that described system also includes being connected with cylinder (9), being used for controlling
The 3 position-5 way electrically-controlled valve (12) of cylinder (9) action.
System the most according to claim 6, it is characterised in that described reciprocating frequency is 0.5-1Hz.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105948389A (en) * | 2016-06-07 | 2016-09-21 | 北京碧水源膜科技有限公司 | MBR membrane group machine with reciprocating device and MBR system |
WO2018101556A1 (en) * | 2016-11-30 | 2018-06-07 | 두산중공업 주식회사 | Membrane filtration system and membrane bioreactor comprising same |
KR20180062258A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Membrane filtration system |
KR20180062257A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Membrane filtration system |
CN108483635A (en) * | 2018-06-06 | 2018-09-04 | 江苏联合创业环保有限公司 | Membrane bioreaction auxiliary device of aerobic circulating fluidized bed |
CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
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CN105948389A (en) * | 2016-06-07 | 2016-09-21 | 北京碧水源膜科技有限公司 | MBR membrane group machine with reciprocating device and MBR system |
CN105948389B (en) * | 2016-06-07 | 2019-04-05 | 北京碧水源膜科技有限公司 | MBR film group device and MBR system with reciprocator |
KR101902637B1 (en) | 2016-11-30 | 2018-09-28 | 두산중공업 주식회사 | Membrane filtration system |
KR20180062257A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Membrane filtration system |
KR101902636B1 (en) | 2016-11-30 | 2018-09-28 | 두산중공업 주식회사 | Membrane filtration system |
KR20180062258A (en) * | 2016-11-30 | 2018-06-08 | 두산중공업 주식회사 | Membrane filtration system |
WO2018101556A1 (en) * | 2016-11-30 | 2018-06-07 | 두산중공업 주식회사 | Membrane filtration system and membrane bioreactor comprising same |
US10668434B2 (en) | 2016-11-30 | 2020-06-02 | DOOSAN Heavy Industries Construction Co., LTD | Membrane filtration system and membrane bioreactor including the same |
CN108483635A (en) * | 2018-06-06 | 2018-09-04 | 江苏联合创业环保有限公司 | Membrane bioreaction auxiliary device of aerobic circulating fluidized bed |
CN108483635B (en) * | 2018-06-06 | 2020-10-30 | 江苏联合创业环保有限公司 | Membrane bioreaction auxiliary device of aerobic circulating fluidized bed |
CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
CN109250819B (en) * | 2018-11-09 | 2021-09-17 | 北京碧水源科技股份有限公司 | MBR sewage treatment system of degree of depth nitrogen and phosphorus removal |
CN117430207A (en) * | 2023-12-18 | 2024-01-23 | 苏州苏科环保科技有限公司 | Membrane separation system for garbage leachate treatment |
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