CN109954306A - A kind of filter membrane package system and method for self-cleaning - Google Patents
A kind of filter membrane package system and method for self-cleaning Download PDFInfo
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- CN109954306A CN109954306A CN201711342018.XA CN201711342018A CN109954306A CN 109954306 A CN109954306 A CN 109954306A CN 201711342018 A CN201711342018 A CN 201711342018A CN 109954306 A CN109954306 A CN 109954306A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 149
- 239000012528 membrane Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 148
- 238000001914 filtration Methods 0.000 claims abstract description 83
- 238000011084 recovery Methods 0.000 claims abstract description 40
- 208000002925 dental caries Diseases 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000005374 membrane filtration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 210000003850 cellular structure Anatomy 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to the assemblings of filter membrane and cleaning field, disclose a kind of filter membrane package system comprising cleaning fluid merging chamber, self-cleaning fluid recovery tank and Special cleaning fluid reservoir after filter membrane assembly chamber, feed fluid distributor chamber, filter;Filter membrane assembly chamber includes at least two mutually isolated membrane module cavitys, is provided with filtration module in each membrane module cavity;The outlet of feed fluid distributor chamber and the entrance of membrane module cavity are correspondingly connected with by first pipe;The entrance of cleaning fluid merging chamber and the outlet of the filtration module in membrane module cavity are correspondingly connected with by second pipe after filter;Each first pipe is connected in self-cleaning fluid recovery tank by three-way control valve, and each second pipe is connect by three-way control valve with Special cleaning fluid reservoir;Pressure-detecting device is additionally provided on each second pipe.The present invention also provides a kind of method for self-cleaning, the present invention can effectively improve the utilization rate of filter membrane, and can effectively extend the service life of filter membrane.
Description
Technical field
The present invention relates to the assembling of filter membrane and cleaning technique fields, more particularly to a kind of filter membrane package system and certainly
Cleaning method.
Background technique
Membrane filtration technique has been widely used seawater cleaning, sewage treatment, gas separation and petrochemical materials, product point
From fields such as purifications.Compared to cyclonic separation, membrane filtration technique is able to achieve that 5 μm of liquid below of particle diameter are solid, gas solid separation, very
Extremely still there is preferable separating effect to nanoscale powder;Compared to electrostatic precipitation technology, inorganic membrane filtration material can be applied
Be up to 800 DEG C of occasion to temperature, and electrostatic precipitation technology have to the specific resistance of temperature (less than 150 DEG C) and dust it is higher
Severity.
Film filtration and separation techniques can be used for dedusting or liquid except during impurity.Fenestra road is smaller, impurity screening
Effect is better, meanwhile, fenestra road size and fluid flux are the relationship mutually restricted again.Whirlwind or mechanical eddy flow cannot be gone
The finely ground particles removed, membrane filtration technique have good effect, and still, smaller film cellular structure means bigger system pressure
Drop is limited with flux.Meanwhile deposition of the particulate matter in film surface or cellular structure can seriously affect its using effect and filtering
The service life of film.
The long week of membrane module is solved with the mode that backwash regeneration combines currently, mostly using and increasing spare membrane filtration module
Phase operation problem.When this means that membrane filter system regeneration, need just to be able to achieve package unit is completely out of service, this
It adds somewhat to invest and reduces utilization rate of equipment and installations.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of filter membrane package systems to be effectively improved with keeping filter membrane efficient operation
The utilization rate of filter membrane, and reduce equipment investment.
It is a further object of the present invention to provide a kind of method for self-cleaning of filter membrane can effectively be prolonged with realizing cleaning immediately
The service life of long filter membrane.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of filter membrane package systems comprising filter membrane assembly chamber,
Cleaning fluid merging chamber, self-cleaning fluid recovery tank and Special cleaning fluid reservoir after feed fluid distributor chamber, filter;
The filter membrane assembly chamber includes at least two mutually isolated membrane module cavitys, in each membrane module cavity
It is provided with the filtration module being made of a number of filtering membrane tube;
The feed fluid distributor chamber is equipped with an entrance and multiple outlets, the quantity of the outlet and the membrane module chamber
The quantity of body corresponds, and each outlet and the entrance of the membrane module cavity are correspondingly connected with by first pipe;
Cleaning fluid merging chamber is equipped with one outlet and multiple entrances, the quantity of the entrance and the film group after the filter
The quantity of part cavity corresponds, and the outlet of the filtration module in each entrance and the membrane module cavity passes through second
Pipeline is correspondingly connected with;
Each first pipe connects the first branch pipe by three-way control valve, and each first branch pipe is connected to described
In self-cleaning fluid recovery tank, each second pipe by three-way control valve connect the second branch pipe, each described second
Pipe is connect with the Special cleaning fluid reservoir;
Pressure-detecting device is additionally provided on each second pipe.
Wherein, the self-cleaning fluid recovery tank is connected by the entrance of circulating pump and the feed fluid distributor chamber
It connects.
Wherein, the Special cleaning fluid reservoir is connect with second branch pipe respectively by delivery pump.
It wherein, further include control unit, the first pipeline of described control unit and corresponding membrane module cavity two sides
With on the second pipeline three-way control valve and pressure-detecting device electrical connection.
Wherein, the bottom of the self-cleaning fluid recovery tank is equipped with filter residue discharge outlet.
Wherein, the arrival end of each filtration module is located in the corresponding membrane module cavity, and outlet end extends
To outside the membrane module cavity;The arrival end passes through supports support in the corresponding membrane module cavity, so that institute
It states and forms passage gaps between filtration module and the membrane module cavity;The outlet end passes through end socket and the membrane module cavity
Outlet end wall be tightly connected.
Wherein, the three-way control valve is three-way magnetic valve;The pressure-detecting device is pressure gauge.
Wherein, the filter membrane package system is liquid or gas for the fluid of filtering.
The present invention also provides a kind of method for self-cleaning using filter membrane package system described above, may include as
Lower step:
S1, fluid to be filtered enter feed fluid distributor chamber, and fluid to be filtered distribution is entered each of filter membrane assembly chamber
A membrane module cavity, the cleaning fluid being obtained by filtration cleaning fluid merging chamber and are discharged after being collected to filter;
The pressure drop range of S2, each filtration module of setting, it is clear when thering is some filtration module to need according to pressure drop judgement
When washing, controlling corresponding three-way control valve disconnects membrane module cavity and feed fluid distributor chamber, and with self-cleaning fluid recovery
Tank connection, by the pressure difference between cleaning fluid merging chamber after filter and self-cleaning fluid recovery tank, utilizes cleaning fluid after filter
Collect indoor a part of cleaning fluid to clean the filtration module, cleaning fluid enters self-cleaning fluid recovery tank;
After the completion of S3, cleaning, controlling corresponding three-way control valve is connected to membrane module cavity with feed fluid distributor chamber, and
It is disconnected with self-cleaning fluid recovery tank, then repeatedly step S1;
S4, when judging that the mode of S2 can not restore the filtering function of filtration module according to the variation range of pressure drop and time
When, controlling corresponding three-way control valve disconnects membrane module cavity and feed fluid distributor chamber, and with self-cleaning fluid recovery tank
And the connection of Special cleaning fluid reservoir, it is sent using the Special cleaning fluid in Special cleaning fluid reservoir to the filtration module
It is interior, which is cleaned, cleaning fluid enters self-cleaning fluid recovery tank, after the completion of cleaning, repeats step S1;
The cleaning process repetition step S1-S4 of S5, other intracorporal filtration modules of membrane module chamber.
In S2, in the cleaning of some filtration module, remaining filtration module is normally carried out filtration.
In the present invention, further comprised the steps of: between S2 and S3
S21, cleaning fluid isolate impurity in self-cleaning fluid recovery tank, the cleaning fluid circulation after separation enter into
Stream body distributor chamber, is refiltered;
S22: it when impurity deposits to setting range, is discharged.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of filter membrane package system and method for self-cleaning provided by the invention, wherein pass through filter membrane package system energy
Enough so that the cleaning fluid that filter membrane filtering obtains is realized to the cleaning and regeneration of filter membrane, the utilization of filter membrane is effectively increased
Rate, and reduce equipment investment.
By the method for self-cleaning of filter membrane, the pressure between cleaning fluid after filtering and self-cleaning fluid recovery tank is utilized
Difference may be implemented the instant cleaning to each filtration module, can effectively extend the service life of filtration module as cleaning power,
It realizes filtration module filtering to carry out simultaneously with cleaning, only cleaning fluid cannot make filter membrane within the set time after filtering
When the functional rehabilitation of group, just starts additional Special cleaning system, reduce to greatest extent since a large amount of uses of cleaning agent are drawn
The environmental problem risen;When to the cleaning of membrane module chamber intracorporal filtration module, no flow dead zone can restore film mistake to greatest extent
Function is filtered to original state.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of filter membrane package system of the embodiment of the present invention;
Fig. 2 is the schematic diagram that the embodiment of the present invention is filtered using filter membrane package system;
Fig. 3 is the schematic diagram that the embodiment of the present invention carries out self-cleaning using filter membrane package system;
In figure: 1: self-cleaning fluid recovery tank;2: circulating pump;3: feed fluid distributor chamber;4: filter membrane assembly chamber;5: filter
Cleaning fluid merging chamber afterwards;6: Special cleaning fluid reservoir;7: delivery pump;8: filter residue discharge outlet;V1, V2, V3 are first pipe
On three-way control valve;V4, V5, V6 are the three-way control valve on second pipe;P1, P2, P3 are pressure-detecting device;C1,C3
For the sealed wall of filter membrane assembly chamber;C2 is supporting element;M1, M2, M3 are membrane module cavity.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
The embodiment of the invention provides a kind of filter membrane package system, Fig. 1 shows the filtration module of the embodiment of the present invention
The structural schematic diagram of dress system comprising filter membrane assembly chamber 4, feed fluid distributor chamber 3, filter after cleaning fluid merging chamber 5, from
Clean fluid recovery tank 1 and Special cleaning fluid reservoir 6;
The filter membrane assembly chamber 4 includes at least two mutually isolated membrane module cavitys, in the embodiment of the present invention, film
Component cavity is illustrated the contents of the present invention for three, is denoted as M1, M2, M3, certainly, the number of membrane module cavity
Amount is not limited to three, is provided with the filtration module being made of a number of filtering membrane tube in each membrane module cavity,
It is preferably equal into the intracorporal fluid flow to be filtered of each membrane module chamber;
The feed fluid distributor chamber 3 is equipped with an entrance and multiple outlets, the quantity of the outlet and the membrane module
The quantity of cavity corresponds, and each outlet and the entrance of the membrane module cavity are correspondingly connected with by first pipe,
For fluid to be filtered to be entered to each membrane module cavity of filter membrane assembly chamber 4 from the distribution of feed fluid distributor chamber 3;
Cleaning fluid merging chamber 5 is equipped with one outlet and multiple entrances, the quantity of the entrance and the film after the filter
The quantity of component cavity corresponds, and the outlet of the filtration module in each entrance and the membrane module cavity passes through the
Two pipelines are correspondingly connected with, and cleaning fluid merging chamber 5 is for collecting by the filtered cleaning fluid of membrane module cavity, simultaneously after filter
It is also used for cleaning fluid after filtering to return in any one membrane module cavity, realizes the self-cleaning function of filtration module;
Each first pipe connects the first branch pipe by three-way control valve, and each first branch pipe is connected to described
In self-cleaning fluid recovery tank 1, the fluid conduction after cleaning is entered by self-cleaning fluid recovery tank 1 by the first branch pipe, each
The second pipe connects the second branch pipe, each second branch pipe and the Special cleaning fluid reservoir by three-way control valve
6 connections, carry out Special cleaning for Special cleaning fluid to be drawn out in filtration module out of Special cleaning fluid reservoir 6;
It is additionally provided with pressure-detecting device on each second pipe, is denoted as P1, P2, P3 pressure-detecting device is preferred
For pressure gauge, pressure gauge is mounted between the outlet of every group of filtration module and corresponding three-way control valve, and pressure gauge is for monitoring
Pressure on each second pipe, when pressure reaches setting value, by controlling three-way control valve corresponding thereto, realization pair
The self-cleaning of the membrane module cavity.The utilization rate of filter membrane is effectively increased, and reduces equipment investment.
In order to guarantee to have enough circulating pressures, the self-cleaning fluid recovery tank 1 passes through circulating pump 2 and the charging
The entrance of fluid distributor chamber 3 connects.
In order to guarantee to have enough discharge pressures, the Special cleaning fluid reservoir 6 passes through (or the pressurization dress of delivery pump 7
Set) it is connect respectively with second branch pipe.
In the embodiment of the present invention, which further includes control unit, described control unit with it is corresponding
First pipeline of membrane module cavity two sides and the electrical connection of the three-way control valve on the second pipeline and pressure-detecting device, with
It is preferably three-way magnetic valve opening and closing convenient for controlling corresponding three-way control valve according to the pressure detected, to be filtered, from clearly
Wash or Special cleaning between switch operating.
Wherein, self-cleaning fluid recovery tank 1 is used for recovery and rinsing fluid, while the impurity for being concentrated in cleaning fluid,
The bottom of the self-cleaning fluid recovery tank 1 is equipped with filter residue discharge outlet 8, is used for regular discharge impurities.
In the embodiment of the present invention, the arrival end of each filtration module is located in the corresponding membrane module cavity,
Its outlet end extends to outside the membrane module cavity;The arrival end is supported on the corresponding membrane module chamber by supporting element C2
In vivo, so that forming passage gaps between the filtration module and the membrane module cavity, facilitate fluid to be filtered from filtering
Outside the pipe of film group in the outer pipe for entering filtration module;The outlet end is close by the outlet end wall of end socket and the membrane module cavity
Envelope connection, filter membrane assembling chamber inlet end and outlet end are respectively set to sealed wall C1, C3.
Wherein, the filter membrane package system is thin in liquid or gas, such as filtering liquid for the fluid of filtering
Dust in small powder or gas, filtering membrane material can be inorganic or organic material.
The present invention also provides a kind of method for self-cleaning using filter membrane package system described above, may include
Following steps:
S1, as shown in Fig. 2, fluid to be filtered enters feed fluid distributor chamber 3, fluid to be filtered distribution is entered into filter membrane
Each membrane module cavity of assembly chamber 4, fluid to be filtered are entered in membrane tube outside membrane tube by filtration module, impurity are trapped in
Outside membrane tube, the cleaning fluid that is obtained by filtration is by being collected to cleaning fluid merging chamber 5 after filter and being discharged in membrane tube;
The pressure drop range of S2, each filtration module of setting, it is clear when thering is some filtration module to need according to pressure drop judgement
Pressure when washing, such as when setting normal work is reduced to three kilograms, when pressure drop changes to five kilograms, it can be determined that need at this time
Cleaning, by controlling the starting of the three-way control valve on the first pipeline corresponding to the filtration module, as shown in figure 3, making membrane module
Cavity and feed fluid distributor chamber 3 disconnect, and be connected tos with self-cleaning fluid recovery tank 1, by cleaning fluid merging chamber 5 after filter and
Pressure difference between self-cleaning fluid recovery tank 1 was entered using a part of cleaning fluid after filter in cleaning fluid merging chamber 5
In the membrane tube of filter membrane group, by being reached outside membrane tube in membrane tube, membrane tube is cleaned, cleaning fluid enters self-cleaning fluid recovery
Tank 1;
After the completion of S3, cleaning, controlling corresponding three-way control valve is connected to membrane module cavity with feed fluid distributor chamber 3,
And it is disconnected with self-cleaning fluid recovery tank 1, then repeatedly step S1;
S4, when judging that the mode of S2 can not restore the filtering function of filtration module according to the variation range of pressure drop and time
When, for example, after in the way of self-cleaning, be spaced the very short time reach again before pressure drop values, it can be determined that oneself
The mode of cleaning is unable to satisfy cleaning demand, at this point, controlling corresponding three-way control valve makes membrane module cavity and feed fluid point
It disconnects with room 3, and is connected to self-cleaning fluid recovery tank 1 and Special cleaning fluid reservoir 6, utilize Special cleaning fluid reservoir
Special cleaning fluid in 6 is sent to the filtration module, is cleaned to the filtration module, and the cleaning fluid after cleaning enters certainly
Fluid recovery tank 1 is cleaned, after the completion of cleaning, repeats step S1;
The cleaning process repetition step S1-S4 of S5, other intracorporal filtration modules of membrane module chamber.
In S2, in the cleaning of some filtration module, remaining filtration module is normally carried out filtration, to keep filter membrane height
Effect operation.It further include that step S21, cleaning fluid separate in self-cleaning fluid recovery tank 1 in addition, between step S2 and S3
Impurity out, part clean fluid and are recycled into feed fluid distributor chamber 3 by circulating pump 2, refiltered;S22, when impurity it is heavy
When product arrives a certain range, discharged by impurity discharge outlet.
As can be seen from the above embodiments, the present invention can be realized the instant cleaning to each filtration module, can effectively prolong
The service life of long filtration module realizes filtration module filtering and is carried out simultaneously with cleaning, and only cleaning fluid is not after filtering
When can make the functional rehabilitation of filtration module within the set time, just starts additional Special cleaning system, reduce to greatest extent
Due to cleaning agent largely use caused by environmental problem;When to the cleaning of membrane module chamber intracorporal filtration module, no flow dead zone,
It can restore film filtering function to greatest extent to original state.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of filter membrane package system, which is characterized in that including being cleaned after filter membrane assembly chamber, feed fluid distributor chamber, filter
Fluid merging chamber, self-cleaning fluid recovery tank and Special cleaning fluid reservoir;
The filter membrane assembly chamber includes at least two mutually isolated membrane module cavitys, setting in each membrane module cavity
By the filtration module being made of a number of filtering membrane tube;
The feed fluid distributor chamber is equipped with an entrance and multiple outlets, the quantity of the outlet and the membrane module cavity
Quantity corresponds, and each outlet and the entrance of the membrane module cavity are correspondingly connected with by first pipe;
Cleaning fluid merging chamber is equipped with one outlet and multiple entrances, the quantity of the entrance and the membrane module chamber after the filter
The quantity of body corresponds, and the outlet of the filtration module in each entrance and the membrane module cavity passes through second pipe
It is correspondingly connected with;
Each first pipe connects the first branch pipe by three-way control valve, and each first branch pipe is connected to described from clear
Wash in fluid recovery tank, each second pipe by three-way control valve connect the second branch pipe, each second branch pipe with
The Special cleaning fluid reservoir connection;
Pressure-detecting device is additionally provided on each second pipe.
2. filter membrane package system according to claim 1, which is characterized in that the self-cleaning fluid recovery tank is by following
Ring pump is connect with the entrance of the feed fluid distributor chamber.
3. filter membrane package system according to claim 1, which is characterized in that the Special cleaning fluid reservoir passes through defeated
Pump is sent to connect respectively with second branch pipe.
4. filter membrane package system according to claim 1, which is characterized in that further include control unit, the control is single
First three-way control valve and pressure detecting dress on the first pipeline and the second pipeline of corresponding membrane module cavity two sides
Set electrical connection.
5. filter membrane package system according to claim 1, which is characterized in that the bottom of the self-cleaning fluid recovery tank
Equipped with filter residue discharge outlet.
6. filter membrane package system according to claim 1-5, which is characterized in that each filtration module
Arrival end is located in the corresponding membrane module cavity, and outlet end extends to outside the membrane module cavity;The arrival end is logical
Supports support is crossed in the corresponding membrane module cavity, so that shape between the filtration module and the membrane module cavity
At passage gaps;The outlet end is tightly connected by the outlet end wall of end socket and the membrane module cavity.
7. filter membrane package system according to claim 1, which is characterized in that the three-way control valve is threeway electromagnetism
Valve;The pressure-detecting device is pressure gauge.
8. filter membrane package system according to claim 1, which is characterized in that the filter membrane package system is for filtering
Fluid be liquid or gas.
9. a kind of method for self-cleaning using such as the described in any item filter membrane package systems of claim 1-8, which is characterized in that
Include the following steps:
S1, fluid to be filtered enter feed fluid distributor chamber, and fluid to be filtered distribution is entered to each film of filter membrane assembly chamber
Component cavity, the cleaning fluid being obtained by filtration cleaning fluid merging chamber and are discharged after being collected to filter;
The pressure drop range of S2, each filtration module of setting, when thering is some filtration module to need to clean according to pressure drop judgement,
Controlling corresponding three-way control valve disconnects membrane module cavity and feed fluid distributor chamber, and connects with self-cleaning fluid recovery tank
It is logical, by the pressure difference between cleaning fluid merging chamber after filter and self-cleaning fluid recovery tank, collected using cleaning fluid after filter
Indoor a part of cleaning fluid cleans the filtration module, and cleaning fluid enters self-cleaning fluid recovery tank;
After the completion of S3, cleaning, controlling corresponding three-way control valve is connected to membrane module cavity with feed fluid distributor chamber, and with from
It cleans fluid recovery tank to disconnect, then repeatedly step S1;
S4, when the mode for judging S2 according to the variation range of pressure drop and time can not restore the filtering function of filtration module,
Controlling corresponding three-way control valve disconnects membrane module cavity and feed fluid distributor chamber, and with self-cleaning fluid recovery tank and
The connection of Special cleaning fluid reservoir, is sent using the Special cleaning fluid in Special cleaning fluid reservoir to the filtration module, right
The filtration module is cleaned, and cleaning fluid enters self-cleaning fluid recovery tank, after the completion of cleaning, repeats step S1;
The cleaning process repetition step S1-S4 of S5, other intracorporal filtration modules of membrane module chamber.
10. method for self-cleaning according to claim 9, which is characterized in that in S2, in the cleaning of some filtration module,
Remaining filtration module is normally carried out filtration.
11. method for self-cleaning according to claim 9, which is characterized in that further comprised the steps of: between S2 and S3
S21, cleaning fluid isolate impurity in self-cleaning fluid recovery tank, and the cleaning fluid circulation after separation enters feeding flow
Body distributor chamber, is refiltered;
S22: it when impurity deposits to setting range, is discharged.
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CN201168501Y (en) * | 2007-09-04 | 2008-12-24 | 阳晓 | Self-cleaning continuance micro-filtration apparatus |
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CN103463863A (en) * | 2013-09-13 | 2013-12-25 | 神木富油能源科技有限公司 | Coal tar filtering device and method |
CN106545717A (en) * | 2016-12-01 | 2017-03-29 | 苏州阿洛斯环境发生器有限公司 | A kind of multi-channel fluid distributes reactor |
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