CN110433661A - A kind of piston-type ultrafiltration control system - Google Patents
A kind of piston-type ultrafiltration control system Download PDFInfo
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- CN110433661A CN110433661A CN201910844360.2A CN201910844360A CN110433661A CN 110433661 A CN110433661 A CN 110433661A CN 201910844360 A CN201910844360 A CN 201910844360A CN 110433661 A CN110433661 A CN 110433661A
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- piston
- tube head
- water
- pipe
- ultrafiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/04—Elements in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to filter plant technical fields, mainly include control device, ultrafiltration apparatus and intake pump in particular to a kind of piston-type ultrafiltration control system；The intake pump, the control device, the ultrafiltration apparatus pass sequentially through pipeline and are connected；The intake pump is for providing water inlet power；The ultrafiltration apparatus is for filtering raw water；The control device is mounted between the ultrafiltration apparatus and the intake pump, for controlling the water inlet and draining of the ultrafiltration apparatus.The present invention controls the operation of ultrafiltration apparatus by control device, water flow is mitigated using diversion pipe in advance when adjusting water flow, so that the variation of water flow is slow, gentle, it can be avoided flow and the instantaneous of pressure fluctuated widely, to avoid the fluctuation of flow and pressure from injuring the damaging property of film wire of ultrafiltration membrane in ultrafiltration apparatus, while being also avoided that caused water hammer and vibration equipment problem when flow and pressure change.
Description
Technical field
The invention belongs to filter plant technical fields, specifically provide a kind of piston-type ultrafiltration control system.
Background technique
Hyperfiltration technique is one kind of membrane separation technique, carries out Selective Separation to substance by the microcellular structure of film surface.
When liquid mixture flows through film surface under a certain pressure, small molecule solute penetrates film, and macromolecular substances are then trapped, and are made
Macromolecular concentration is gradually increased in stoste, to realize the purpose of the separation of large and small molecule, concentration, purification.
Ultrafiltration apparatus is filtered using hyperfiltration technique, in the process of running, the bacterium that is retained down by ultrafiltration membrane, iron
The harmful substances such as rust, colloid, suspended matter, larger molecular organics can gradually be attached to the inner surface of ultrafiltration membrane, form fouling membrane, make
The water yield of ultrafiltration membrane is gradually reduced, it is therefore desirable to it is logical to restore film by flushing and backwash cloth sequence during ultra-filtration filters
Amount, extends the use of ultrafiltration membrane.
In the Practical Project operational process of water factory, when ultrafiltration apparatus, which reaches, rinses backwash condition, need to be separated
Ultrafiltration system, then investment rinses backwash and walks sequence.When carrying out separating operation, need to close the water inlet of the ultrafiltration apparatus.
Currently, when either closing the water inlet of ultrafiltration apparatus in engineering project, or ultrafiltration apparatus is rinsed, backwash
When, the change dramatically of water flow and hydraulic pressure can cause potential destructive injury (such as fracture of wire of film wire) to the film wire of ultrafiltration membrane,
Water hammer and vibration equipment problem can be also accompanied by.
Summary of the invention
The present invention provides a kind of piston-type ultrafiltration control system, ultrafiltration apparatus operation in the prior art can not only be solved
When the technical issues of easily causing film wire to damage, moreover it is possible to solve the technology that ultrafiltration apparatus in the prior art generates water hammer and vibration equipment
Problem.
To solve the above-mentioned problems, the invention provides the following technical scheme:
A kind of piston-type ultrafiltration control system, including ultra filtration unit, intake pump, backwash water pump and water production tank.
The ultra filtration unit includes ultrafiltration apparatus and control device, and the control device is connect with the ultrafiltration apparatus；Institute
Intake pump is stated to be connected by the control device with the ultrafiltration apparatus, it is described anti-for providing raw water for the ultrafiltration apparatus
Wash water pump and the water production tank are connect with the ultrafiltration apparatus respectively.
The intake pump is used to provide water inlet power for the ultrafiltration apparatus, and the ultrafiltration apparatus is for filtering raw water, institute
It states control device and is used to provide backwash water inlet power for controlling the water inlet and draining of the ultrafiltration apparatus, the backwash water pump,
The water production tank produces water for collecting ultrafiltration.
The ultrafiltration apparatus includes ultrafiltration main body and ultrafiltration membrane, and the ultrafiltration membrane is mounted in the ultrafiltration main body, described
Be provided in ultrafiltration main body connect general pipeline, under connect general pipeline, ultrafiltration water producing pipe and hyperfiltration reverse-rinsing water inlet pipe, the ultrafiltration water producing pipe with
The water production tank is connected；The hyperfiltration reverse-rinsing water inlet pipe is connected with the backwash water pump；The ultrafiltration water producing pipe and described super
The valve for controlling water flow is equipped on filter backwash water inlet pipe.
The control device includes cylinder body, first piston, second piston, water inlet tube head, upper drain pipe head, lower drainpipe
Head, upper connecting tube head, lower linking tube head, upper filtering diversion pipe and lower filtering diversion pipe；The water inlet tube head, upper connecting tube head and lower linking tube
One end of head is separately positioned on the side wall of the cylinder body, and is connected to the inside of the cylinder body；Described the another of tube head of intaking
End is connected with intake pump, the other end of the upper connecting tube head with it is described on meet general pipeline and be connected to, the other end of the lower linking tube head and
General pipeline connection is connect under described；Along the axis direction of the cylinder body, the top of the water inlet tube head, institute is arranged in the upper connecting tube head
State the lower section that the water inlet tube head is arranged in lower linking tube head.The cylinder body above the water inlet tube head is arranged in the first piston
Interior, the second piston is arranged in the cylinder body below the water inlet tube head, and along the axis direction of the cylinder body, described first is living
The length of plug be less than it is described it is upper filtering diversion pipe lower edge and it is described water inlet tube head the distance between top edge, described second
The length of piston is less than the top edge of the lower filtering diversion pipe and the distance between the lower edge of the water inlet tube head；On described
Drain pipe head and the lower drain pipe head are separately positioned on the both ends of the cylinder body.It is described it is upper filtering diversion pipe one end with it is described
The side wall of cylinder body is connected to, and the other end is connected to the upper connecting tube head, the connection point of upper the filtering diversion pipe and the cylinder body
Between the lower edge of the upper connecting tube head and the top edge of the water inlet tube head；It is described it is lower filtering diversion pipe one end with it is described
The side wall of cylinder body is connected to, and the other end is connected to the lower linking tube head, the connection point of lower the filtering diversion pipe and the cylinder body
Between the top edge of the lower linking tube head and the lower edge of the water inlet tube head.
In piston-type ultrafiltration control system as described above, preferably, the control device further includes upper punching
Diversion pipe and lower flushing diversion pipe are washed, described upper one end for rinsing diversion pipe is connected to the side wall of the cylinder body, the other end and institute
The connection of upper connecting tube head is stated, the upper flushing diversion pipe is located at top edge and the institute of the upper connecting tube head with the tie point of the cylinder body
It states between the lower edge of drain pipe head；It is described it is lower rinse diversion pipe one end be connected to the side wall of the cylinder body, the other end and
Lower linking tube head connection, the lower tie point for rinsing diversion pipe and the cylinder body be located at the lower linking tube head lower edge and
Between the top edge of the lower drain pipe head；Preferably, the upper water yield for rinsing diversion pipe is upper connecting tube head water outlet
The 2%-8% of amount, the lower water yield for rinsing diversion pipe are the 2%-8% of the lower linking tube head water yield；Preferably, the upper mistake
The inflow for filtering diversion pipe is the 2%-8% of the upper connecting tube head inflow, under the inflow of the lower filtering diversion pipe is described
The 2%-8% of pipe joint inflow.
In piston-type ultrafiltration control system as described above, preferably, the ultra filtration unit be provided with it is multiple,
Multiple ultra filtration units are arranged in parallel；It is provided with water inlet manifold between multiple ultra filtration units and the intake pump, it is multiple
The ultra filtration unit is connected into the water inlet manifold respectively, and is connected by the water inlet manifold with the intake pump；It is multiple described
Total backwash water inlet pipe is provided between ultra filtration unit and the backwash water pump, multiple ultra filtration units are connected into described total anti-respectively
Water inlet pipe is washed, and is connected by total backwash water inlet pipe with the backwash water pump；Multiple ultra filtration units and the production water
Total water producing pipe is provided between water tank, multiple ultra filtration units are connected into total water producing pipe respectively, and pass through the total yield water
Pipe is connected with the water production tank.
In piston-type ultrafiltration control system as described above, preferably, the intake pump be provided with it is multiple, it is more
A intake pump is connected into the water inlet manifold respectively；Preferably, the backwash water pump is provided with multiple, multiple backwash waters
Pump is connected into total backwash water inlet pipe respectively.
In piston-type ultrafiltration control system as described above, preferably, the control system further includes always arranging
Water pipe, multiple upper drain pipe heads and multiple lower drain pipe heads are respectively connected to the main sewer.
In piston-type ultrafiltration control system as described above, preferably, the control device further includes first
Actuator, the second actuator, First piston bar and second piston bar；First actuator passes through the First piston bar and institute
First piston connection is stated, the first piston is driven to move in the cylinder body；Second actuator is living by described second
Stopper rod is connect with the second piston, and the second piston is driven to move in the cylinder body.
In piston-type ultrafiltration control system as described above, preferably, the both ends of the cylinder body are respectively set
There are first end flange and the second end flange, the first end flange and the second end flange seal lid are located at described
At the both ends open of cylinder body, the First piston bar passes through the first end flange and connect with first actuator, described
It seals and is slidably connected between First piston bar and the first end flange；The second piston bar passes through the second end method
It is blue to be connect with second actuator, it seals and is slidably connected between the second piston bar and the second end flange.
In piston-type ultrafiltration control system as described above, preferably, the upper filtering diversion pipe is provided with
Multiple, the other end of multiple upper filtering diversion pipes is connected to the side wall of the upper connecting tube head；The lower filtering diversion pipe
Be provided with it is multiple, it is multiple it is described it is lower filtering diversion pipes the other ends be connected to the side wall of the lower linking tube head；Preferably, multiple
The tie point of the upper filtering diversion pipe and the cylinder body is located on the same cross section of the cylinder body.Preferably, multiple described
The tie point of lower filtering diversion pipe and the cylinder body is located on the same cross section of the cylinder body.
In piston-type ultrafiltration control system as described above, preferably, the upper flushing diversion pipe is provided with
Multiple, multiple upper other ends for rinsing diversion pipe are connected to the side wall of the upper connecting tube head.The lower flushing diversion pipe
Be provided with it is multiple, it is multiple it is described it is lower rinse diversion pipes the other ends be connected to the side wall of the lower linking tube head；Preferably, multiple
The upper tie point for rinsing diversion pipe and the cylinder body is located on the same cross section of the cylinder body；Preferably, multiple described
The lower tie point for rinsing diversion pipe and the cylinder body is located on the same cross section of the cylinder body.
In piston-type ultrafiltration control system as described above, preferably, the first piston includes the first circle
Column portion, unhurried current portion and the first lower unhurried current portion, first cylindrical portion are cylindrical body on first, unhurried current portion and described on described first
First lower unhurried current portion is rotary table, on described first the bottom surface in unhurried current portion and the first lower unhurried current portion respectively with first cylinder
The upper surface in portion is connected with bottom surface, the bed-plate dimension and first circle in unhurried current portion and the first lower unhurried current portion on described first
The bed-plate dimension in column portion is identical, and the length of first cylindrical portion is greater than the upper lower edge for filtering diversion pipe and the upper punching
Wash the distance between the top edge of diversion pipe；The second piston is lower slow including unhurried current portion on the second cylindrical portion, second and second
Stream portion, second cylindrical portion are cylindrical body, and unhurried current portion and described second descends unhurried current portion for rotary table on described second, described second
The bottom surface in upper unhurried current portion and the second lower unhurried current portion is connect with the upper surface of second cylindrical portion and bottom surface respectively, and described the
The bed-plate dimension in unhurried current portion and the second lower unhurried current portion is identical as the bed-plate dimension of second cylindrical portion on two, and described second
The length of cylindrical portion is greater than the top edge of the lower filtering diversion pipe and the distance between the lower edge of the lower flushing diversion pipe；
Preferably, the angle on described first between the bus and bottom surface in unhurried current portion is located within the scope of first angle, and described first is lower slow
Angle between the bus and bottom surface in stream portion is located within the scope of first angle；On described second between the bus and bottom surface in unhurried current portion
Angle be located within the scope of first angle, the angle between the bus and bottom surface in the described second lower unhurried current portion is located at first angle model
In enclosing；It is further preferred that the first angle range is 87 ° -89.5 °.
Analysis it is found that compared with prior art, the advantages and beneficial effects of the present invention are:
1, piston-type ultrafiltration control system of the invention passes through the cooperation of first piston, second piston and cylinder body, can be realized super
Filter bottom filtering, bottom irrigation, bottom backwash, top filtration, the top flushing, the periodic duty of top backwash of device.Using
Successively bottom filtering, bottom irrigation, bottom backwash, top filtration, top is rinsed, the sequence of top backwash carries out ultrafiltration apparatus
Filtering is rinsed, the control of backwash, so that the course of work of ultrafiltration apparatus is more reasonable, efficient, smooth.It is adjusted to water flow
When section, the present invention is by the way of being altered in steps water flow so that the variation of water flow is slow, gentle, can be avoided flow and
Pressure instantaneously fluctuates widely, so that the fluctuation of flow and pressure be avoided to damage the film wire of the ultrafiltration membrane of ultrafiltration apparatus
Property injury, while being also avoided that caused water hammer and vibration equipment problem when flow and pressure change；
2, ultra filtration unit of the invention is provided with multiple, and multiple ultra filtration units are connected in parallel, multiple ultra filtration units respectively by into
Water pipe head and water inlet manifold are connected in series, and enable to the operation of each ultrafiltration apparatus to cooperate, so as to further delay
Water fluctuation in pipeline, reduces pipeline vibration；
3, multiple upper drain pipe heads of the invention, multiple lower drain pipe heads are respectively connected to main sewer, convenient for collect backwash water and
Flushing water, each upper drain pipe head, lower drain pipe head be without in addition setting autocontrol valve, compared to subtracting for conventional ultrafiltration system
Lack the construction cost of equipment, and reduces fault point caused by due to using automatic valve；
4, diversion pipe and lower filtering diversion pipe, the mistake at the top of progress are filtered in upper connecting tube head of the invention and the side setting of lower linking tube head
Water impact when raw water enters ultrafiltration apparatus can be mitigated when filter and bottom filtering, avoid the film of water-hammering damage ultrafiltration membrane
Silk；
5, diversion pipe and lower flushing diversion pipe are rinsed in upper connecting tube head of the invention and the side setting of lower linking tube head, is carrying out bottom punching
Ultrafiltration apparatus can be mitigated by washing when rinsing with top enters the intracorporal water flow of cylinder, mitigates variation in water pressure in ultrafiltration apparatus, avoids surpassing
Filter device in the hydraulic pressure sudden turn of events and cause water hammer damage ultrafiltration apparatus in ultrafiltration membrane film wire；
6, piston-type ultrafiltration control system of the invention is in regulating water flow, first when first piston is mobile on unhurried current portion or the
Once unhurried current portion is first contacted with upper filtering diversion pipe, upper connecting tube head or upper flushing diversion pipe；
Unhurried current portion or the second lower elder generation, unhurried current portion and upper filtering diversion pipe, upper connecting tube head or upper flushing on second when second piston moves
Diversion pipe contact, can further mitigate the variation of water flow, reduce impact force suffered by ultrafiltration membrane, so that water flow variation is not present
Suddenly the process increased, minimum to the impact force of ultrafiltration membrane, the pressure of mitigation is incremented by and flow increasing process will not cause brokenly film wire
It is bad, and effectively avoid the generation of water hammer and equipment transient vibration problem；
7, at cylinder body both ends, design has first end flange and the second end flange to the present invention, is not only convenient for the first actuator, the
The installation of two actuators, additionally it is possible to keep the first actuator, the action process of the second actuator more accurate；
8, first piston of the invention and second piston structure are simple, and manufacturing cost is low, suitable for mass production；Upper punching of the invention
It washes that diversion pipe, upper filtering diversion pipe, lower flushing diversion pipe and lower filtering draft tube structure are simple, and manufacturing cost is low, is suitble to batch
Production.Since the contact site of above-mentioned diversion pipe and cylinder body is less, also just increase in first piston or second piston and cylinder body
The contact area of wall both makes contact more stable, avoids abrasion aggravation and makes and shorten making for first piston or second piston
Use the service life.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the piston-type ultrafiltration control system of the embodiment of the present invention；
Fig. 2 is the control device of the embodiment of the present invention and the connection schematic diagram of ultrafiltration apparatus；
Fig. 3 is the structural schematic diagram of the control device of the embodiment of the present invention；
Fig. 4 is the interface structure schematic diagram of the ultrafiltration apparatus of the embodiment of the present invention；
Fig. 5 is water flow schematic diagram when bottom of the embodiment of the present invention is filtered；
Water flow schematic diagram when Fig. 6 is bottom irrigation of the embodiment of the present invention；
Water flow schematic diagram when Fig. 7 is the backwash of bottom of the embodiment of the present invention；
Water flow schematic diagram when Fig. 8 is top filtration of the embodiment of the present invention；
Fig. 9 is water flow schematic diagram during rinsing at the top of the embodiment of the present invention；
Water flow schematic diagram when Figure 10 is top backwash of the embodiment of the present invention；
Figure 11 is that the embodiment of the present invention is filtered from bottom to the process schematic of bottom irrigation conversion；
Figure 12 is the process schematic that the embodiment of the present invention is converted from bottom irrigation to bottom backwash；
Figure 13 is the process schematic that the embodiment of the present invention is converted from bottom backwash to top filtration；
Figure 14 is the structural schematic diagram of first piston in the embodiment of the present invention 2.
In figure: the first actuator of 1-；2- first end flange；3- First piston bar；4- upper connecting tube head；Water conservancy diversion is filtered on 5-
Pipe；Diversion pipe is filtered under 6-；7- first piston；Diversion pipe is rinsed on 8-；Diversion pipe is rinsed under 9-；10- second piston；Under 11-
Pipe joint；12- second piston bar；13- the second end flange；The second actuator of 14-；The first cylindrical portion of 15-；Drainpipe under 16-
Head；Unhurried current portion on 17- first；18- cylinder body；19- water inlet tube head；The lower unhurried current portion 20- first；The upper drain pipe head of 21-；22- ultrafiltration
Device；23- ultrafiltration water producing pipe；24- hyperfiltration reverse-rinsing water inlet pipe；General pipeline is met under 25-；General pipeline is met on 26-；30- intake pump；31- control
Device processed；32- water inlet manifold；33- main sewer；The total backwash water inlet pipe of 34-；35- backwash water pump；The total water producing pipe of 36-；37- is produced
Water tank.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, term " on ", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention rather than
It is required that the present invention must be constructed and operated in a specific orientation, therefore it is not considered as limiting the invention.Make in the present invention
Term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be with
It is to be connected directly, can also be indirectly connected by intermediate member, it for the ordinary skill in the art, can be according to tool
Body situation understands the concrete meaning of above-mentioned term.
Fig. 1 is please referred to Figure 14, wherein Fig. 1 is the connection signal of the piston-type ultrafiltration control system of the embodiment of the present invention
Figure；Fig. 2 is the control device of the embodiment of the present invention and the connection schematic diagram of ultrafiltration apparatus；Fig. 3 is the control of the embodiment of the present invention
The structural schematic diagram of device；Fig. 4 is the interface structure schematic diagram of the ultrafiltration apparatus of the embodiment of the present invention；Fig. 5 is that the present invention is implemented
Water flow schematic diagram when the filtering of example bottom；Water flow schematic diagram when Fig. 6 is bottom irrigation of the embodiment of the present invention；Fig. 7 is the present invention
Water flow schematic diagram when the backwash of embodiment bottom；Water flow schematic diagram when Fig. 8 is top filtration of the embodiment of the present invention；Fig. 9 is this
Water flow schematic diagram during rinsing at the top of inventive embodiments；Water flow schematic diagram when Figure 10 is top backwash of the embodiment of the present invention；Figure
11 filter the process schematic converted to bottom irrigation from bottom for the embodiment of the present invention；Figure 12 is the embodiment of the present invention by bottom
Rinse the process schematic converted to bottom backwash；Figure 13 is the mistake that the embodiment of the present invention is converted from bottom backwash to top filtration
Journey schematic diagram；Figure 14 is the structural schematic diagram of first piston in the embodiment of the present invention 2.Wherein, in Fig. 5 into Figure 13, level side
To arrow indicate flow direction, arrow size illustrates uninterrupted, and the arrow of vertical direction indicates first piston or second living
The direction of motion of plug.
Embodiment 1
According to a particular embodiment of the invention, as shown in figure 1 to figure 13, the present invention provides a kind of piston-type ultrafiltration control system,
Including ultra filtration unit, intake pump 30, backwash water pump 35 and water production tank 37.
Ultra filtration unit includes ultrafiltration apparatus 22 and control device 31, and control device 31 is connect with ultrafiltration apparatus 22.Intake pump
30 are connected by control device 31 with ultrafiltration apparatus 22, for providing raw water, backwash water pump 35 and production water water for ultrafiltration apparatus 22
Case 37 is connect with ultrafiltration apparatus 22 respectively.Intake pump 30 is used to provide water inlet power for ultrafiltration apparatus 22, and ultrafiltration apparatus 22 is used for
Raw water is filtered, control device 31 is used to control the water inlet and draining of ultrafiltration apparatus 22, and backwash water pump 35 is for providing backwash water inlet
Power, water production tank 37 produce water for collecting ultrafiltration.Ultrafiltration apparatus 22 includes ultrafiltration main body and ultrafiltration membrane, and ultrafiltration membrane is mounted on super
Filter main body in, be provided in ultrafiltration main body connect general pipeline 26, under connect general pipeline 25, ultrafiltration water producing pipe 23 and hyperfiltration reverse-rinsing water inlet pipe
24, ultrafiltration water producing pipe 23 is connected with water production tank 37；Hyperfiltration reverse-rinsing water inlet pipe 24 is connected with backwash water pump 35；Ultrafiltration water producing pipe 23
With the valve for controlling water flow, such as control valve are equipped on hyperfiltration reverse-rinsing water inlet pipe 24.Control device 31 include cylinder body 18,
First piston 7, second piston 10, water inlet tube head 19, upper drain pipe head 21, lower drain pipe head 16, upper connecting tube head 4, lower linking tube head
11, upper filtering diversion pipe 5 and lower filtering diversion pipe 6；One end of water inlet tube head 19, upper connecting tube head 4 and lower linking tube head 11 is set respectively
It sets on the side wall of cylinder body 18, and is connected to the inside of cylinder body 18；The other end of water inlet tube head 19 is connected with intake pump 30, above connects
The other end of tube head 4 is connected to general pipeline 26 is above met, and the other end of lower linking tube head 11 meets general pipeline 25 under and is connected to；Along the axis of cylinder body 18
The top of water inlet tube head 19 is arranged in line direction, upper connecting tube head 4, and the lower section of water inlet tube head 19 is arranged in lower linking tube head 11.First
Piston 7 is arranged in the cylinder body 18 of 19 top of water inlet tube head, and second piston 10 is arranged in the cylinder body 18 below water inlet tube head 19,
Along the axis direction of cylinder body 18, the length of first piston 7 is less than the lower edge of upper filtering diversion pipe 5 and the top of water inlet tube head 19
The distance between edge, the length of second piston 10 be less than lower filtering diversion pipe 6 top edge and water inlet tube head 19 lower edge it
Between distance；Upper drain pipe head 21 and lower drain pipe head 16 are separately positioned on the both ends of cylinder body 18.One end of upper filtering diversion pipe 5
It is connected to the side wall of cylinder body 18, the other end is connected to upper connecting tube head 4, and the tie point of upper filtering diversion pipe 5 and cylinder body 18 is located at upper
Between the lower edge of pipe joint 4 and the top edge for tube head 19 of intaking；One end of lower filtering diversion pipe 6 and the side wall of cylinder body 18 connect
Logical, the other end is connected to lower linking tube head 11, and the tie point of lower filtering diversion pipe 6 and cylinder body 18 is located at the top edge of lower linking tube head 11
Between the lower edge of water inlet tube head 19；The inflow of upper filtering diversion pipe 5 is the 2%-8% of 4 inflow of upper connecting tube head, lower filtering
The inflow of diversion pipe 6 is the 2%-8% of 11 inflow of lower linking tube head.
Further, control device 31 further includes upper flushing diversion pipe 8 and lower flushing diversion pipe 9, the upper diversion pipe 8 that rinses
One end is connected to the side wall of cylinder body 18, and the other end is connected to upper connecting tube head 4, the upper connection point for rinsing diversion pipe 8 and cylinder body 18
Between the top edge of upper connecting tube head 4 and the lower edge of upper drain pipe head 21；The side of the lower one end for rinsing diversion pipe 9 and cylinder body 18
Wall connection, the other end are connected to lower linking tube head 11, and the tie point of lower flushing diversion pipe 9 and cylinder body 18 is located under lower linking tube head 11
Between edge and the top edge of lower drain pipe head 16；The upper water yield for rinsing diversion pipe 8 is the 2%-8% of 4 water yield of upper connecting tube head,
The lower water yield for rinsing diversion pipe 9 is the 2%-8% of 11 water yield of lower linking tube head.
Further, control device 31 further includes that the first actuator 1, the second actuator 14, First piston bar 3 and second are living
Stopper rod 12；First actuator 1 is connect by First piston bar 3 with first piston 7, and driving first piston 7 moves in cylinder body 18；
Second actuator 14 is connect by second piston bar 12 with second piston 10, and driving second piston 10 moves in cylinder body 18.The
One actuator 1 and the second actuator 14 are electronic or hydraulic-driven actuator, convenient for control first piston 7 and second piston 10
Movement.
Further, the both ends of cylinder body 18 are respectively arranged with first end flange 2 and the second end flange 13, first end
Flange 2 and 13 sealing cover of the second end flange are located at the both ends open of cylinder body 18, and specially 2 sealing cover of first end flange is set
At the upper end opening of cylinder body 18,13 sealing cover of the second end flange is located at the lower ending opening of cylinder body 18.First actuator 1 is set
It sets on first end flange 2, the second actuator 14 is arranged on the second end flange 13, and First piston bar 3 passes through first end
Portion's flange 2 is connect with the first actuator 1, and sealing is slidably connected between First piston bar 3 and first end flange 2；Second piston
Bar 12 passes through the second end flange 13 and connect with the second actuator 14, seals between second piston bar 12 and the second end flange 13
It is slidably connected, sealing herein is slidably connected i.e. First piston bar 3 can be along the hole free extension on first end flange 2, certainly
It is tightly connected between hole when by stretching in First piston bar 3 and first end flange 2, liquid is avoided to let out from the junction
Dew.First end flange 2 is set and the second end flange 13 is not only convenient for the installation of the first actuator 1, the second actuator 14, also
The first actuator 1, the action process of the second actuator 14 can be made more accurate.
Decomposition explanation is carried out below with reference to control process of the Fig. 5 to Figure 13 to ultra filtration unit:
Bottom filter process is as follows:
As shown in figure 5, first piston 7, which is in block, filters diversion pipe 5, upper connecting tube head 4 and the upper state for rinsing diversion pipe 8,
Enclose into water tube head 19 with above connect general pipeline 26 connection, on connect the connection of general pipeline 26 Yu upper drain pipe head 21.Ultrafiltration is arranged to produce
Valve on water pipe 23 is in the open state, and the valve being arranged on hyperfiltration reverse-rinsing water inlet pipe 24 is in close state.
Second piston 10 slowly moves downward, and the water inlet of water inlet tube head 19 enters ultrafiltration apparatus by lower filtering diversion pipe 6
In 22, since the inflow of lower filtering diversion pipe 6 is far below the inflow of the lower linking tube head 11 (inflow of lower filtering diversion pipe 6
For the 2%-8% of 11 inflow of lower linking tube head), flow of inlet water is smaller at this time, intakes small to the impact force of ultrafiltration membrane, with second
Piston 10 slowly moves downward, and water enters ultrafiltration apparatus 22 by lower linking tube head 11, and the water into ultrafiltration apparatus 22 gradually becomes larger,
So that the pressure that the film wire of ultrafiltration membrane bears mitigation is incremented by and flow increasing process, it is hardly damaged.Second piston 10 continue to
Lower movement, until second piston 10 be blocked in it is lower rinse diversion pipe 9 lower edge and lower drain pipe head 16 between, at this time raw water from
Tube head 19 of intaking enters in cylinder body 18, respectively by lower filtering diversion pipe 6, lower linking tube head 11 and lower flushing diversion pipe 9 summarize to
Under meet general pipeline 25 and enter ultrafiltration apparatus 22, be discharged after completing filtering by ultrafiltration apparatus 22 from ultrafiltration water producing pipe 23, into producing water water
In case 37.
Bottom irrigation process is as follows:
As shown in fig. 6, first piston 7 slowly moves down, the water in ultrafiltration apparatus 22 starts to flow into from upper flushing diversion pipe 8
In the cylinder body 18 of 7 top of first piston, at this point, since the upper water yield for rinsing diversion pipe 8 is far below the water yield of upper connecting tube head 4
(water yield for above rinsing diversion pipe 8 is the 2%-8% of 4 water yield of upper connecting tube head), water flow is smaller at this time, in ultrafiltration apparatus 22
Water flow pressure release mitigates, and avoids impact of the pressure abrupt change to ultrafiltration membrane.As first piston 7 continues to slowly move downward, ultrafiltration
Water in device 22 is entered in the cylinder body 18 of 7 top of first piston by upper connecting tube head 4 and the upper diversion pipe 8 that rinses, and through upper row
Water pipe head 21 is discharged, and closes the valve on the ultrafiltration water producing pipe 23 of ultrafiltration apparatus 22, and keep on hyperfiltration reverse-rinsing water inlet pipe 24
Valve is in close state.
First piston 7 continues to move down, until first piston 7 gets lodged in the lower edge and water inlet pipe of filtering diversion pipe 5
Between first 19 top edge, water flow successively enters the cylinder between first piston 7 and second piston 10 via water inlet tube head 19 at this time
In body 18, summarizes respectively by lower filtering diversion pipe 6, lower linking tube head 11 and lower flushings diversion pipe 9 under and connect the entrance of general pipeline 25 and surpass
Device 22 is filtered, then is discharged by meeting general pipeline 26 on ultrafiltration apparatus 22, respectively by upper flushing diversion pipe 8, upper connecting tube head 4 and upper mistake
It filters diversion pipe 5 to enter in the cylinder body 18 of 7 top of first piston, and is discharged through upper drainpipe.
Bottom backwash process is as follows:
As shown in fig. 7, second piston 10 slowly moves up, with the slow movement of second piston 10, lower rinse successively is blocked
Diversion pipe 9, lower linking tube head 11 and lower filtering diversion pipe 6, until second piston 10, which is in, blocks lower flushing diversion pipe 9, lower linking tube
First 11 and it is lower filtering diversion pipe 6 state, be arranged ultrafiltration apparatus 22 ultrafiltration water producing pipe 23 on valve be in close state, beat
The valve on the hyperfiltration reverse-rinsing water inlet pipe 24 of ultrafiltration apparatus 22 is opened, backwash water passes through hyperfiltration reverse-rinsing water inlet pipe via backwash water pump 35
24 enter in ultrafiltration apparatus 22, and pass through upper flushing diversion pipe 8, upper connecting tube head 4 respectively by meeting general pipeline 26 on ultrafiltration apparatus 22
Enter in the cylinder body 18 of 7 top of first piston with upper filtering diversion pipe 5, and is discharged through upper drain pipe head 21.Bottom backwash refers to
Backwash water inlet position is located at the lower section of backwash water exit position place horizontal plane when 22 backwash of ultrafiltration apparatus, in other words low level, thus
It is described as bottom water inlet backwash, the backwash of abbreviation bottom.Second piston 10 closure under rinse diversion pipe 9, lower linking tube head 11 and under
During filtering diversion pipe 6, the discharge area of closure is gradually decreased, and due to the presence of lower filtering diversion pipe 6, so that the
The entire closure process of two pistons 10 mitigates, and avoids the truncation suddenly of second piston 10 and enters whole water flows in ultrafiltration apparatus 22
Afterwards, the water flow in lower linking tube head 11 effectively prevents the vibration of control device 31, extends to the reverse impact of control device 31
The service life of second piston 10.
Top filtration process is as follows:
As shown in figure 8, second piston 10, which is in, blocks the lower shape for rinsing diversion pipe 9, lower linking tube head 11 and lower filtering diversion pipe 6
State.The valve on the hyperfiltration reverse-rinsing water inlet pipe 24 of ultrafiltration apparatus 22 is closed, on the ultrafiltration water producing pipe 23 for opening ultrafiltration apparatus 22
Valve.
First piston 7 is slowly mobile upwards, and the water inlet of water inlet tube head 19 enters ultrafiltration apparatus 22 by upper filtering diversion pipe 5
It is interior, since the inflow of upper filtering diversion pipe 5 is far below the inflow of upper connecting tube head 4 (under the inflow of lower filtering diversion pipe 6 is
The 2%-8% of 11 inflow of pipe joint), flow of inlet water is smaller at this time, intakes small to the impact force of ultrafiltration membrane, with first piston
7 is slowly mobile upwards, and water enters ultrafiltration apparatus 22 by upper connecting tube head 4, and the water into ultrafiltration apparatus 22 gradually becomes larger, so that super
The pressure that the film wire of filter membrane bears mitigation is incremented by and flow increasing process, is hardly damaged.First piston 7 continues to move up,
Until first piston 7 is blocked between the top edge and upper drain pipe head 21 for rinsing diversion pipe 8, raw water is from intaking tube head at this time
19 enter in cylinder bodies 18, summarize by upper filtering diversion pipe 5, upper connecting tube head 4 and upper flushing diversion pipe 8 supreme meet general pipeline 26 respectively
Into ultrafiltration apparatus 22, complete to be discharged after filtering from ultrafiltration water producing pipe 23 by ultrafiltration apparatus 22, into water production tank 37.
Top flushing process is as follows:
As shown in figure 9, second piston 10 slowly moves up, the water in ultrafiltration apparatus 22 starts to flow from lower flushing diversion pipe 9
In the cylinder body 18 for entering 10 lower section of second piston, at this point, the going out far below lower linking tube head 11 due to the lower water yield for rinsing diversion pipe 9
Water (2%-8% that the lower water yield for rinsing diversion pipe 9 is 11 water yield of lower linking tube head), water flow is smaller at this time, ultrafiltration dress
It sets water flow pressure release in 22 to mitigate, avoids impact of the pressure abrupt change to ultrafiltration membrane.As second piston 10 continues up slow shifting
Dynamic, the water in ultrafiltration apparatus 22 is entered in the cylinder body 18 of 10 lower section of second piston by lower linking tube head 11 and the lower diversion pipe 9 that rinses,
And be discharged through lower drain pipe head 16, the valve on the ultrafiltration water producing pipe 23 of ultrafiltration apparatus 22 is closed, and hyperfiltration reverse-rinsing is kept to intake
Valve on pipe 24 is in close state.Second piston 10 continues to move up, until second piston 10 gets lodged in lower filtering water conservancy diversion
Between the top edge of pipe 6 and the lower edge for tube head 19 of intaking, at this time water flow successively via water inlet tube head 19 enter first piston 7 with
In cylinder body 18 between second piston 10, respectively by upper filtering diversion pipe 5, upper connecting tube head 4 and upper flushing diversion pipe 8 summarize to
On meet general pipeline 26 and enter ultrafiltration apparatus 22, then be discharged by meeting general pipeline 25 under ultrafiltration apparatus 22, pass through lower flushing diversion pipe respectively
9, lower linking tube head 11 and lower filtering diversion pipe 6 enter in the cylinder body 18 of 10 lower section of second piston, and are discharged through lower drainpipe.
Top backwash process is as follows:
As shown in Figure 10, first piston 7 slowly moves down, and with the slow movement of first piston 7, successively blocks to rinse and lead
Flow tube 8, upper connecting tube head 4 and upper filtering diversion pipe 5, until first piston 7, which is in block, rinses diversion pipe 8,4 and of upper connecting tube head
The state of upper filtering diversion pipe 5, keeps the valve on the ultrafiltration water producing pipe 23 of ultrafiltration apparatus 22 to be in close state, opens ultrafiltration
Valve on the hyperfiltration reverse-rinsing water inlet pipe 24 of device 22, backwash water are entered via backwash water pump 35 by hyperfiltration reverse-rinsing water inlet pipe 24
In ultrafiltration apparatus 22, and by meeting general pipeline 25 under ultrafiltration apparatus 22 respectively by lower flushing diversion pipe 9, lower linking tube head 11 and lower mistake
It filters diversion pipe 6 to enter in the cylinder body 18 of 10 lower section of second piston, and is discharged through lower drain pipe head 16.Top backwash refers to that ultrafiltration fills
The top of horizontal plane, high-order in other words where backwash water inlet position is located at backwash water exit position when setting 22 backwash, to be described as
Top water inlet backwash, abbreviation top backwash.
During rinsing diversion pipe 8, upper connecting tube head 4 and upper filtering diversion pipe 5 in the closure of first piston 7, closure
Discharge area gradually decreases, and due to the presence of upper filtering diversion pipe 5, so that the entire closure process of first piston 7 mitigates,
It avoids the truncation suddenly of first piston 7 to enter in ultrafiltration apparatus 22 after whole water flows, the water flow in upper connecting tube head 4 is to control device
31 reverse impact effectively prevents the vibration of control device 31, extends the service life of first piston 7
Piston-type ultrafiltration control system of the invention passes through the cooperation of first piston 7, second piston 10 and cylinder body 18, can be realized
Bottom filtering, bottom irrigation, bottom backwash, top filtration, the top flushing, the periodic duty of top backwash of ultrafiltration apparatus 22.
It is rinsed using the filtering of successively bottom, bottom irrigation, bottom backwash, top filtration, top, the sequence of top backwash is to ultrafiltration apparatus
22 be filtered, rinse, the control of backwash so that the course of work of ultrafiltration apparatus 22 more rationally, efficiently, it is smooth.To water
When stream is adjusted, the present invention is by the way of being altered in steps water flow, so that the variation of water flow is slow, gentle, can keep away
Exempt from flow and the instantaneous of pressure is fluctuated widely, to avoid the fluctuation of flow and pressure to the film of the ultrafiltration membrane of ultrafiltration apparatus 22
Silk damaging property injury, while being also avoided that caused water hammer and vibration equipment problem when flow and pressure change.
Waterpower fluctuation when in order to further mitigate water variation in pipeline, as shown in Figure 1, ultra filtration unit of the invention is set
It is equipped with multiple, multiple ultra filtration units are arranged in parallel；Water inlet manifold 32 is provided between multiple ultra filtration units and intake pump 30, it is multiple
Ultra filtration unit is connected into water inlet manifold 32 respectively, and is connected by water inlet manifold 32 with intake pump 30；Multiple ultra filtration units and backwash
Total backwash water inlet pipe 34 is provided between water pump 35, multiple ultra filtration units are connected into total backwash water inlet pipe 34 respectively, and by total anti-
Water inlet pipe 34 is washed to be connected with backwash water pump 35；Total water producing pipe 36 is provided between multiple ultra filtration units and water production tank 37, it is multiple
Ultra filtration unit is connected into total water producing pipe 36 respectively, and is connected by total water producing pipe 36 with water production tank 37.
Further, intake pump 30 is provided with multiple, and multiple intake pumps 30 are arranged in parallel, and is connected into water inlet manifold 32 respectively,
So that it is guaranteed that intake pressure, raising water inlet stability；Preferably, backwash water pump 35 is provided with multiple, and multiple backwash water pumps 35 are simultaneously
Connection connection, is connected into total backwash water inlet pipe 34, so that it is guaranteed that the intake pressure of backwash water respectively.The present invention is by being arranged multiple parallel connections
The ultra filtration unit of connection can make the operation of the ultrafiltration apparatus 22 of each ultra filtration unit cooperate, i.e., each ultrafiltration apparatus 22
Operation it is asynchronous, such as a ultrafiltration apparatus 22 be in bottom filtering state when, other ultrafiltration apparatus 22 may be located respectively
It is anti-in bottom backwash operating status, bottom irrigation operating status, top filtration operating status, top flushing operating status, top
Operating status is washed, so as to further mitigate the fluctuation of the water in pipeline, reduces pipeline vibration.Further, for the ease of
Backwash, flushing water are collected, control system further includes main sewer 33, and multiple upper drain pipe heads 21 and multiple lower drain pipe heads 16 are divided
Not Jie Ru main sewer 33, the upper drain pipe head 21 of each ultra filtration unit, lower drain pipe head 16 are (conventional without in addition setting valve
On each drainpipe of ultrafiltration system it is that setting is valvular, such as autocontrol valve), compared to being reduced for conventional ultrafiltration system
The construction cost of equipment, and reduce fault point caused by due to using automatic valve.
Further, upper filtering diversion pipe 5 is provided with multiple, and the other ends of multiple upper filtering diversion pipes 5 are and upper connecting tube
First 4 side wall connection；Lower filtering diversion pipe 6 be provided with it is multiple, it is multiple it is lower filtering diversion pipes 6 the other ends with lower linking tube head 11
Side wall connection；Preferably, the tie point of multiple upper filtering diversion pipes 5 and cylinder body 18 is located on the same cross section of cylinder body 18；
Preferably, the tie point of multiple lower filtering diversion pipes 6 and cylinder body 18 is located on the same cross section of cylinder body 18, and multiple upper mistakes are arranged
Water conservancy diversion and multiple lower filtering diversion pipes 6 are filtered, water flow can be mitigated to greatest extent when conversion to top filtration and bottom are filtered
Impact, avoids generating water hammer, further mitigates impact of the variation of water flow, hydraulic pressure to ultrafiltration membrane.
Further, upper flushing diversion pipe 8 is provided with multiple, and multiple upper other ends for rinsing diversion pipes 8 are and upper connecting tube
First 4 side wall connection；Lower flushing diversion pipe 9 be provided with it is multiple, it is multiple it is lower rinse diversion pipes 9 the other ends with lower linking tube head 11
Side wall connection；Preferably, the tie point of multiple upper flushing diversion pipes 8 and cylinder body 18 is located on the same cross section of cylinder body 18；
Preferably, the tie point of multiple lower flushing diversion pipes 9 and cylinder body 18 is located on the same cross section of cylinder body 18.Multiple upper punchings are set
Diversion pipe 8 and multiple lower flushing diversion pipes 9 are washed, is rinsed, when top backwash at conversion to bottom irrigation, bottom backwash, top
Time can mitigate water impact to greatest extent, avoid generating water hammer, further mitigate the variation of water flow, hydraulic pressure to ultrafiltration
The impact of film.
Embodiment 2
As shown in figure 14, in order to further mitigate impact of the variation to ultrafiltration membrane of water flow, hydraulic pressure, control device 31 is avoided to generate
Vibration, in the present embodiment, first piston 7 include unhurried current portion 17 and the first lower unhurried current portion 20 in the first cylindrical portion 15, first, the
One cylindrical portion 15 is cylindrical body, and unhurried current portion 17 and the first lower unhurried current portion 20 are rotary table, unhurried current portion 17 and first on first on first
The bottom surface in lower unhurried current portion 20 is connect with the upper surface of the first cylindrical portion 15 and bottom surface respectively, slow under unhurried current portion 17 and first on first
The bed-plate dimension in stream portion 20 is identical as the bed-plate dimension of the first cylindrical portion 15, and the length of the first cylindrical portion 15 is greater than upper filtering water conservancy diversion
The lower edge of pipe 5 and upper the distance between the top edge for rinsing diversion pipe 8.
Second piston 10 includes unhurried current portion on the second cylindrical portion, second and the second lower unhurried current portion, and the second cylindrical portion is cylinder
Body, unhurried current portion and the second lower unhurried current portion are rotary table on second, and the bottom surface in unhurried current portion and the second lower unhurried current portion is respectively with the on second
The upper surface of two cylindrical portions is connected with bottom surface, the bed-plate dimension and the second cylindrical portion in unhurried current portion and the second lower unhurried current portion on second
Bed-plate dimension is identical, and the length of the second cylindrical portion is greater than the top edge of lower filtering diversion pipe 6 and the lower edge of lower flushing diversion pipe 9
The distance between.
Preferably, the angle on first between the bus and bottom surface in unhurried current portion 17 is located within the scope of first angle, under first
Angle between the bus and bottom surface in unhurried current portion 20 is located within the scope of first angle；On second between the bus and bottom surface in unhurried current portion
Angle be located within the scope of first angle, the angle between the bus and bottom surface in the second lower unhurried current portion is located at first angle range
It is interior；It is further preferred that first angle range is 87 ° -89.5 °.
The piston-type ultrafiltration control system other structures of the present embodiment are same as Example 1, and details are not described herein.
Illustrate the effect in the lower unhurried current portion 20 of setting first by taking top filtration process as an example below:
When carrying out top filtration, second piston 10, which is in, blocks lower flushing diversion pipe 9, lower linking tube head 11 and lower filtering diversion pipe 6
State.The valve on the hyperfiltration reverse-rinsing water inlet pipe 24 of ultrafiltration apparatus 22 is closed, the ultrafiltration water producing pipe 23 of ultrafiltration apparatus 22 is opened
On valve.First piston 7 is slowly mobile upwards, and when by way of upper filtering diversion pipe 5, the water inlet of water inlet tube head 19 passes through first
Gap between 18 inner wall of lower unhurried current portion 20 and cylinder body enters upper filtering diversion pipe 5, and enters ultrafiltration through upper filtering diversion pipe 5 and fill
It sets in 22, because of the gap very little between the first lower 18 inner wall of unhurried current portion 20 and cylinder body, water flow very little at this time, with first piston
7 move up, the gap of opening of the upper filtering diversion pipe 5 on 18 side wall of cylinder body (unhurried current portion 20 and cylinder body 18 inner wall first under
Between gap) be gradually increased, make enter it is upper filtering diversion pipe 5 in water flow gradually mitigate increase；First piston 7 continues up
Slowly mobile, after the lower edge of upper connecting tube head 4, water passes through the first lower unhurried current portion 20 and cylinder body for the bottom surface of the first cylindrical portion 15
Gap between 18 inner walls enters upper connecting tube head 4, with moving up for first piston 7, the opening on 18 side wall of cylinder body of upper connecting tube head 4
Gap (gap between the i.e. first lower 18 inner wall of unhurried current portion 20 and cylinder body) at mouthful is gradually increased, and makes to enter in upper connecting tube head 4
Water flow gradually mitigate increase, until the lower surface in the first lower unhurried current portion 20 is moved to above the top edge of upper connecting tube head 4, above connect
Water flow in tube head 4, which is realized, to be maximized, and the water into ultrafiltration apparatus 22 gradually becomes larger so that the film wire of ultrafiltration membrane bear it is slow
The pressure of sum is incremented by and flow increasing process, is hardly damaged.First piston 7 continues to move up, until first piston 7 is blocked in
Between the upper top edge and upper drain pipe head 21 for rinsing diversion pipe 8, raw water enters in cylinder body 18 from water inlet tube head 19 at this time, respectively
Summarize the supreme general pipeline 26 that connects by upper filtering diversion pipe 5, upper connecting tube head 4 and upper flushing diversion pipe 8 and enter ultrafiltration apparatus 22, by surpassing
It filters after device 22 completes filtering and is discharged from ultrafiltration water producing pipe 23, into water production tank 37.By the way that the first lower unhurried current portion 20 is arranged,
The water flow entered in ultrafiltration apparatus 22 can be made more to mitigate, it is minimum to the impact of ultrafiltration membrane there is no steep the phenomenon that increasing.
Unhurried current portion and the second lower unhurried current portion are respectively applied to bottom irrigation, bottom filtering in unhurried current portion 17, second on first
In the flushing process of top, effect is similar with the above-mentioned first lower effect in unhurried current portion 20, and details are not described herein.Adjusting water flow
When, it can be according to lower unhurried current portion 20, second, unhurried current portion 17, first on first on different flows, operating condition de-regulation, change piston
The length and taper in upper unhurried current portion and the second lower unhurried current portion are convenient for technological transformation without spending change cylinder body 18, engineering time-consuming is short,
Low cost.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of piston-type ultrafiltration control system, which is characterized in that including ultra filtration unit, intake pump, backwash water pump and produce water water
Case；
The ultra filtration unit includes ultrafiltration apparatus and control device, and the control device is connect with the ultrafiltration apparatus；
The intake pump is connected by the control device with the ultrafiltration apparatus, for providing raw water for the ultrafiltration apparatus,
The backwash water pump and the water production tank are connect with the ultrafiltration apparatus respectively；
The intake pump is used to provide water inlet power for the ultrafiltration apparatus, and the ultrafiltration apparatus is for filtering raw water, the control
Device processed is used to control the water inlet and draining of the ultrafiltration apparatus, and the backwash water pump is described for providing backwash water inlet power
Water production tank produces water for collecting ultrafiltration；
The ultrafiltration apparatus includes ultrafiltration main body and ultrafiltration membrane, and the ultrafiltration membrane is mounted in the ultrafiltration main body, the ultrafiltration
Be provided in main body connect general pipeline, under connect general pipeline, ultrafiltration water producing pipe and hyperfiltration reverse-rinsing water inlet pipe, the ultrafiltration water producing pipe with it is described
Water production tank is connected；The hyperfiltration reverse-rinsing water inlet pipe is connected with the backwash water pump；The ultrafiltration water producing pipe and the ultrafiltration are anti-
The valve being equipped with for controlling water flow is washed on water inlet pipe；
The control device include cylinder body, first piston, second piston, water inlet tube head, upper drain pipe head, lower drain pipe head, on
Pipe joint, lower linking tube head, upper filtering diversion pipe and lower filtering diversion pipe；Intake tube head, upper connecting tube head and the lower linking tube head
One end is separately positioned on the side wall of the cylinder body, and is connected to the inside of the cylinder body；It is described water inlet tube head the other end with
Intake pump is connected, the other end of the upper connecting tube head with it is described on meet general pipeline and be connected to, the other end of the lower linking tube head with it is described
Under connect general pipeline connection；Along the axis direction of the cylinder body, the top of the water inlet tube head is arranged in the upper connecting tube head, under described
The lower section of the water inlet tube head is arranged in pipe joint；
The first piston is arranged in the cylinder body above the water inlet tube head, and the second piston is arranged in the water inlet tube head
In the cylinder body of lower section, along the axis direction of the cylinder body, the length of the first piston is less than under the upper filtering diversion pipe
The distance between the top edge at edge and the water inlet tube head, the length of the second piston are less than the lower filtering diversion pipe
The distance between the lower edge of top edge and the water inlet tube head；The upper drain pipe head and the lower drain pipe head are respectively set
At the both ends of the cylinder body；
One end of the upper filtering diversion pipe is connected to the side wall of the cylinder body, and the other end is connected to the upper connecting tube head, described
The tie point of upper filtering diversion pipe and the cylinder body is located at the lower edge of the upper connecting tube head and the top edge of the water inlet tube head
Between；One end of the lower filtering diversion pipe is connected to the side wall of the cylinder body, and the other end is connected to the lower linking tube head, described
The tie point of lower filtering diversion pipe and the cylinder body is located at the top edge of the lower linking tube head and the lower edge of the water inlet tube head
Between.
2. piston-type ultrafiltration control system according to claim 1, which is characterized in that the control device further includes upper punching
Diversion pipe and lower flushing diversion pipe are washed, described upper one end for rinsing diversion pipe is connected to the side wall of the cylinder body, the other end and institute
The connection of upper connecting tube head is stated, the upper flushing diversion pipe is located at top edge and the institute of the upper connecting tube head with the tie point of the cylinder body
It states between the lower edge of drain pipe head；It is described it is lower rinse diversion pipe one end be connected to the side wall of the cylinder body, the other end and
Lower linking tube head connection, the lower tie point for rinsing diversion pipe and the cylinder body be located at the lower linking tube head lower edge and
Between the top edge of the lower drain pipe head；The upper water yield for rinsing diversion pipe is the 2%- of the upper connecting tube head water yield
8%, the lower water yield for rinsing diversion pipe is the 2%-8% of the lower linking tube head water yield；
It is described it is upper filtering diversion pipe inflow be the upper connecting tube head inflow 2%-8%, it is described it is lower filtering diversion pipe into
Water is the 2%-8% of the lower linking tube head inflow.
3. piston-type ultrafiltration control system according to claim 1, which is characterized in that the ultra filtration unit is provided with more
A, multiple ultra filtration units are arranged in parallel；
Water inlet manifold is provided between multiple ultra filtration units and the intake pump, multiple ultra filtration units are connected into institute respectively
Water inlet manifold is stated, and is connected by the water inlet manifold with the intake pump；
Total backwash water inlet pipe, multiple ultra filtration unit difference are provided between multiple ultra filtration units and the backwash water pump
It is connected into total backwash water inlet pipe, and is connected by total backwash water inlet pipe with the backwash water pump；
Total water producing pipe is provided between multiple ultra filtration units and the water production tank, multiple ultra filtration units are connected into respectively
Total water producing pipe, and be connected by total water producing pipe with the water production tank.
4. piston-type ultrafiltration control system according to claim 3, which is characterized in that the intake pump be provided with it is multiple,
Multiple intake pumps are connected into the water inlet manifold respectively；
The backwash water pump is provided with multiple, and multiple backwash water pumps are connected into total backwash water inlet pipe respectively.
5. piston-type ultrafiltration control system according to claim 3, which is characterized in that the control system further includes always arranging
Water pipe, multiple upper drain pipe heads and multiple lower drain pipe heads are respectively connected to the main sewer.
6. piston-type ultrafiltration control system according to claim 1, which is characterized in that the control device further includes first
Actuator, the second actuator, First piston bar and second piston bar；
First actuator is connect by the First piston bar with the first piston, drives the first piston described
It is moved in cylinder body；
Second actuator is connect by the second piston bar with the second piston, drives the second piston described
It is moved in cylinder body.
7. piston-type ultrafiltration control system according to claim 6, which is characterized in that the both ends of the cylinder body are respectively set
There are first end flange and the second end flange, the first end flange and the second end flange seal lid are located at described
At the both ends open of cylinder body, the First piston bar passes through the first end flange and connect with first actuator, described
It seals and is slidably connected between First piston bar and the first end flange；The second piston bar passes through the second end method
It is blue to be connect with second actuator, it seals and is slidably connected between the second piston bar and the second end flange.
8. piston-type ultrafiltration control system according to claim 1, which is characterized in that the upper filtering diversion pipe is provided with
Multiple, the other end of multiple upper filtering diversion pipes is connected to the side wall of the upper connecting tube head；
The lower filtering diversion pipe be provided with it is multiple, it is multiple it is described it is lower filtering diversion pipes the other ends with the lower linking tube head
Side wall connection.
9. piston-type ultrafiltration control system according to claim 2, which is characterized in that the upper flushing diversion pipe is provided with
Multiple, multiple upper other ends for rinsing diversion pipe are connected to the side wall of the upper connecting tube head；
The lower flushing diversion pipe be provided with it is multiple, it is multiple it is described it is lower rinse diversion pipes the other ends with the lower linking tube head
Side wall connection.
10. piston-type ultrafiltration control system according to claim 2, which is characterized in that the first piston includes first
Cylindrical portion, unhurried current portion and the first lower unhurried current portion on first, first cylindrical portion is cylindrical body, unhurried current portion and institute on described first
Stating the first lower unhurried current portion is rotary table, and the bottom surface in unhurried current portion and the first lower unhurried current portion is round with described first respectively on described first
The upper surface in column portion is connected with bottom surface, the bed-plate dimension and described first in unhurried current portion and the first lower unhurried current portion on described first
The bed-plate dimension of cylindrical portion is identical, the length of first cylindrical portion be greater than the upper filtering diversion pipe lower edge and it is described on
Rinse the distance between the top edge of diversion pipe；
The second piston includes unhurried current portion on the second cylindrical portion, second and the second lower unhurried current portion, and second cylindrical portion is circle
Cylinder, unhurried current portion and the second lower unhurried current portion are rotary table on described second, unhurried current portion and described second lower slow on described second
The bottom surface in stream portion is connect with the upper surface of second cylindrical portion and bottom surface respectively, on described second under unhurried current portion and described second
The bed-plate dimension in unhurried current portion is identical as the bed-plate dimension of second cylindrical portion, the length of second cylindrical portion be greater than it is described under
Filter the top edge of diversion pipe and the distance between the lower edge of the lower flushing diversion pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910844360.2A CN110433661A (en) | 2019-09-06 | 2019-09-06 | A kind of piston-type ultrafiltration control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910844360.2A CN110433661A (en) | 2019-09-06 | 2019-09-06 | A kind of piston-type ultrafiltration control system |
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Cited By (1)
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| CN117756230A (en) * | 2024-01-05 | 2024-03-26 | 湖南亿康环保科技有限公司 | Industrial wastewater recycling device based on ultrafiltration technology |
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Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Applicant after: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Applicant before: BEIJING LUCENCY ENVIRO-TECH Co.,Ltd. |
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Application publication date: 20191112 |