CN205055524U - Anti - washing unit - Google Patents
Anti - washing unit Download PDFInfo
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- CN205055524U CN205055524U CN201520772367.5U CN201520772367U CN205055524U CN 205055524 U CN205055524 U CN 205055524U CN 201520772367 U CN201520772367 U CN 201520772367U CN 205055524 U CN205055524 U CN 205055524U
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- gas transmission
- shower nozzle
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- transmission arm
- jet
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Abstract
The utility model relates to a technical field of plumbing provides an anti - washing unit, include: air feed mechanism and a plurality of jet -propelled mechanism, it is a plurality of jet -propelled mechanism follows anti - washing unit's axial direction laminate arrangement, every jet -propelled mechanism all includes a plurality of shower nozzles and every the shower nozzle all with the air feed mechanism intercommunication. A plurality of jet -propelled mechanisms follow anti - washing unit's axial laminate arrangement to can realize the layering back flush to filtration equipment, in order to reach better backwash effect, still include a plurality of shower nozzles in every layer the jet -propelled mechanism, every shower nozzle can be to the regional gas exhalation at its place to realize the pointwise back flush, adopt above -mentioned structure, the successive layer is point -to -point to carry out the backwash to filtration equipment, not only can reach better cleaning performance, and, verify through experimental, compare that traditional backwash mode is economized on water more and be energy -conserving.
Description
Technical field
The utility model relates to the technical field of plumbing, especially relates to back purge system.
Background technology
In the prior art, usually use filter plant to carry out filtration, purification to liquid, the inside of filter plant is provided with a large amount of filtrates, filtrate can impurity in absorbing and filtering liquid.But, after filter plant runs the long period, have the surface that a large amount of impurity is attached to filtrate, thus affect the filter effect of filter plant, now, usually adopt the mode cleaning and filtering equipment of backwash.
The mode of backwash is using water as the power rinsed, the water inlet in the other direction in the bottom that filtrate is piled up, form current and hold up filtrate, constantly circulated by water and reach the object of cleaning filtrate, the mode of above-mentioned backwash can need the longer time usually, in the process, need all the time to the delivered inside water of filter plant, this will consume a large amount of water, meanwhile, also can consume a large amount of electric energy; And, the volume of filter plant more big bounce to wash effect also poorer.
The height of the filtrate set by filter plant inside of the prior art also can affect the effect of backwash; Filter height is higher, and the resistance of backwash also can increase, but, reduce the appearance dirt amount that filter height can reduce again filtrate, also can reduce filtering accuracy simultaneously, shorten the cycle of backwash.
Filter plant of the prior art, generally completing a backwash process needs 20 ~ 30 minutes, and each backwashing period is then depending on the turbidity of liquid to be filtered; Such as, when the filter tank influent turbidity of waterworks is 10NTU (turbidity), the backwash cycle is within 24 hours, and a backwash water consumption is 7 ~ 10% of the filtered fluid scale of construction, every day the waterworks of 100,000 tons, backwash water consumption average out to about 5000 tons.
Utility model content
The purpose of this utility model is to provide back purge system, and the water resource a large amount of with the needs consumption solving backwash mode of the prior art existence and the volume of electric energy and filter plant more big bounce wash the also poorer technical problem of effect.
A kind of back purge system that the utility model provides, comprising: gas supply mechanism and multiple jet mechanism, and multiple described jet mechanism is along the axial direction layered arrangement of described back purge system; Each described jet mechanism includes multiple shower nozzle, and each described shower nozzle is all communicated with described gas supply mechanism.
Further, described gas supply mechanism comprises multiple gas transmission arm, and each described jet mechanism is all communicated with gas transmission arm described at least one, and multiple described gas transmission arm is communicated with the gas transmission main of described gas supply mechanism and arranges; And valve is equipped with on each described gas transmission arm, described valve is for opening and closing corresponding described gas transmission arm.
Further, the multiple described shower nozzle of the superiors is all communicated with same described gas transmission arm.
Further, undermost multiple described shower nozzle respectively gas transmission arm described be communicated with.
Further, the multiple described shower nozzle of remainder layer is divided into many groups, and the described gas transmission arm that the shower nozzle often organized is all corresponding with is communicated with.
Further, described gas supply mechanism comprises air source distributor, and described air source distributor is communicated with described gas transmission main with described gas transmission arm.
Further, the multiple described gas transmission arm be communicated with undermost multiple described shower nozzle is all communicated with described air source distributor.
Further, described gas supply mechanism comprises air compressor machine, and described air compressor machine is communicated with described air source distributor.
Further, described gas supply mechanism adopts pulsed air feed.
Further, the quantity of described jet mechanism is three.
Compared with prior art, the beneficial effect that the utility model has is:
The back purge system that the utility model provides, comprise gas supply mechanism and multiple jet mechanism, multiple jet mechanism arranges along the axial stratification of back purge system, thus can realize layering backwash to filter plant, to reach good backwash effect; The jet mechanism of every layer also comprises multiple shower nozzle, and each shower nozzle can be jet to the region at its place, thus realize pointwise backwash; Adopt said structure, successively pointwise backwash is carried out to filter plant, good cleaning performance can not only be reached; And, through verification experimental verification, compare traditional backwash mode and more economize on water with energy-conservation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model detailed description of the invention, below the accompanying drawing used required in describing detailed description of the invention is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the back purge system that Fig. 1 provides for the utility model embodiment;
Fig. 2 is arranged on the structural representation in filter tank for the back purge system shown in Fig. 1;
Fig. 3 is the schematic cross-section of A-A in Fig. 2;
Fig. 4 is arranged on the structural representation in filter tank for the back purge system shown in Fig. 1;
Fig. 5 is the schematic cross-section of B-B in Fig. 4.
Reference numeral:
1-gas supply mechanism; The jet mechanism of 2-; 3-filter tank;
4-filtrate; 5-filtrate supporting plate; 6-filter tank;
7-pipe joint;
11-air compressor machine; 12-air source distributor; 13-gas transmission main;
14-gas transmission arm; 21-shower nozzle;
141-valve.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The structural representation of the back purge system that Fig. 1 provides for the utility model embodiment; Fig. 2 is arranged on the structural representation in filter tank for the back purge system shown in Fig. 1; Fig. 3 is the schematic cross-section of A-A in Fig. 2; Fig. 4 is arranged on the structural representation in filter tank for the back purge system shown in Fig. 1; Fig. 5 is the schematic cross-section of B-B in Fig. 4.
As shown in Figure 1, a kind of back purge system that the present embodiment provides, comprising: gas supply mechanism 1 and multiple jet mechanism 2, and multiple jet mechanism 2 is along the axial direction layered arrangement of back purge system; Each jet mechanism 2 includes multiple shower nozzle 21, and each shower nozzle 21 is all communicated with gas supply mechanism 1.
Gas supply mechanism 1 can have multiple choices, such as: air accumulator, aspiration pump, etc., its Main Function is to jet mechanism 2 air feed, and therefore, every structure that can function as described above can as the gas supply mechanism 1 of the present embodiment indication.
The Main Function of jet mechanism 2 is jet to the inside of filter plant, to clean the filtrate 4 be arranged in filter plant, jet mechanism 2 can comprise shower nozzle 21, the interface that shower nozzle 21 is connected with pipeline and is used for the control valve regulating the gas flow size sprayed by shower nozzle 21, etc., certainly can also be the combination of other component, as long as above-mentioned acting on can be realized.
Filter plant can have multiple choices, such as: filter tank 3 or filter tank 6, etc.
The quantity of jet mechanism 2 is at least two, and multiple jet mechanism 2 should along the axial direction layered arrangement of back purge system, so-called layered arrangement, and as shown in Figure 1, multiple jet mechanism 2 is not on same horizontal plane, and there is upper and lower dividing its position.Adopt layering that jet mechanism 2 is set, every one deck jet plane structure 2 resistance from filtrate 4 filtering layer suffered when backwash is much smaller than the resistance suffered by classical inverse backwashing manner, therefore, the back purge system using the present embodiment to provide can increase the height of filtrate 4, thus reaches the object improving filtering accuracy.
The jet mechanism 2 of every layer all comprises multiple shower nozzle 21, and all shower nozzles 21 are all communicated with gas supply mechanism 1, to guarantee that each shower nozzle 21 can be jet; Arrange multiple shower nozzle 21 at every layer, can realize an injection backwash, what is called refers to an injection, and each shower nozzle 21 is responsible for its region that can cover of backwash, thus realizes the comprehensive cleaning to filtrate 4; When the area of filter plant is larger, only need increases the quantity of the shower nozzle 21 of every layer, the inside of filter plant can be covered comprehensively, adopt said structure, good backwash effect can also be ensured simultaneously.
Multiple shower nozzles 21 can be arranged in the optional position of filter plant cross section, therefore, backwash effect is no longer subject to the impact of filtration sections size, is also no longer subject to the impact of filter height, can the power consumption of classical inverse backwashing manner saving about 80% and water consumption on year-on-year basis.
The distribution of multiple shower nozzles 21 in the jet mechanism 2 of every layer in filter plant can have multiple choices, such as: as shown in Figures 2 and 3, in filter tank 3, multiple shower nozzles 21 of every layer with filter tank 3 center for the outside rounded distribution of basic point; As shown in Figure 4 and Figure 5, in filter tank 6, multiple shower nozzles 21 of every layer with center, filter tank 6 for basic point to be square distribution to surrounding.
It should be noted that, multiple jet mechanism 2 can be simultaneously jet, also can be jet individually one by one, or several one group is carried out jet; Certainly, the multiple shower nozzles 21 in each jet mechanism 2, also can be simultaneously jet, or jet separately one by one, also or several one group carry out jet.
Also it should be noted that, the back purge system that the present embodiment provides, need in use to coordinate a small amount of backwash water, backwash water passes into the inside of filter plant from the bottom to top, only as the carrier of blowdown, the water yield only needs to maintain overflow situation, thus the impurity band cleaned out can be gone out the inside of filter plant.
The installation method of the back purge system that the present embodiment provides is: be positioned at the bottom that undermost jet mechanism 2 is arranged on filtrate supporting plate 5, remaining jet mechanism 2 is embedded in the inside of filter material layer.
The back purge system that the present embodiment provides, comprises gas supply mechanism 1 and multiple jet mechanism 2, and multiple jet mechanism 2 arranges along the axial stratification of back purge system, thus can realize layering cleaning, to reach good backwash effect to filter plant; The jet mechanism 2 of every layer also comprises multiple shower nozzle 21, and each shower nozzle 21 can be jet to the region at its place, thus realize pointwise cleaning; Adopt said structure, successively pointwise backwash is carried out to filter plant, good cleaning performance can not only be reached, and, through verification experimental verification, compare traditional backwash mode and more to economize on water and energy-conservation.
On the basis of above-described embodiment, particularly, gas supply mechanism 1 comprises multiple gas transmission arm 14, and each jet mechanism 2 is all communicated with at least one gas transmission arm 14, and multiple gas transmission arm 14 is communicated with the gas transmission main 13 of gas supply mechanism 1 and arranges; And valve 141 is equipped with on each gas transmission arm 14, valve 141 is for opening and closing corresponding gas transmission arm 14.
Adopt said structure, each jet mechanism 2 gas transmission arm 14 corresponding with at least one is communicated with, and, this gas transmission arm 14 is also provided with valve 141, the keying of this layer of jet mechanism 2 can be realized by opening/shutting valve 141.
Such as: when jet mechanism 2 is only communicated with a gas transmission arm 14, close the valve 141 on this gas transmission arm 14, just can close the jet mechanism 2 of this layer, that is, all shower nozzles 21 that this layer is arranged are closed; When jet mechanism 2 is communicated with two gas transmission arms 14 simultaneously, namely, wherein a part of shower nozzle 21 is communicated with a gas transmission arm 14, another part shower nozzle 21 is communicated with another gas transmission arm 14, close the valve 141 on corresponding gas transmission arm 14, just can close the shower nozzle 21 be communicated with this gas transmission arm 14.
Certainly conveniently connect, be also provided with multiple pipe joint 7, pipe joint 7, for being communicated with gas transmission arm 14 by shower nozzle 21, also may be used for gas transmission arm 14 to be communicated with gas transmission main 13.
Adopt said structure, more accurately can realize the backwash of pointwise, after detecting, for a certain region, backwash can be carried out separately, thus reduce energy consumption further.
On the basis of above-described embodiment, particularly, as shown in Figure 1, multiple shower nozzles 21 of the superiors are all communicated with same gas transmission arm 14.
Multiple shower nozzles 21 and same gas transmission arm 14 parallel communication of the superiors, be arranged on valve 141 on this gas transmission arm 14 for opening and closing these shower nozzles 21, makes multiple shower nozzle 21 reach requirement with opening with closing.
During due to shower nozzle 21 backwash filtrate 4, filtrate 4 can be blown afloat, make filtrate 4 overturn to guarantee to rinse well in backwash water; Be positioned at the shower nozzle 21 of the superiors, its pressure from filtrate 4 born is less, therefore, just can blow afloat filtrate 4 by less power; Said structure, by the flow-control of gas that sprayed by each shower nozzle 21 in minimum of a value, can not only blow afloat filtrate 4, but also reduce energy consumption to greatest extent.
On the basis of above-described embodiment, particularly, as shown in Figure 1, undermost multiple shower nozzle 21 is communicated with a gas transmission arm 14 respectively.Valve 141 on each gas transmission arm 14 can control the shower nozzle 21 of this gas transmission arm 14 correspondence respectively.
Be positioned at undermost multiple shower nozzle 21, the pressure of filtrate 4 filtering layer that it is subject to is maximum, therefore, wants to blow afloat all filtrates 4, just needs larger power; Said structure, can make the pressure of the gas sprayed from shower nozzle 21 maximum, thus reach the object blowing afloat all filtrates 4.
On the basis of above-described embodiment, particularly, as shown in Figure 1, multiple shower nozzles 21 of remainder layer are divided into many groups, and the gas transmission arm 14 that the shower nozzle 21 often organized is all corresponding with is communicated with.
Multiple shower nozzles 21 on remainder layer except the superiors and orlop can be divided into many groups, and often group can comprise multiple shower nozzle 21, also only can comprise a shower nozzle 21; The often all corresponding gas transmission arm 14 of group, the valve 141 on this gas transmission arm 14 is for controlling the keying of the shower nozzle used 21 of this group.
It should be noted that, the quantity often organizing shower nozzle 21 of above-mentioned indication can be determined according to the position at its place and filter plant actual conditions in use.
Said structure, the flow-control of the gas sprayed by each shower nozzle 21 by this layer, in minimum of a value, makes shower nozzle 21 while blowing afloat filtrate 4, also reduces energy consumption to greatest extent.
On the basis of above-described embodiment, particularly, gas supply mechanism 1 comprises air source distributor 12, and air source distributor 12 is communicated with gas transmission main 13 with gas transmission arm 14.
Air source distributor 12 can play certain pressure stabilization function, and, air source distributor 12 has multiple interface, when needs increase gas transmission arm 14 or gas transmission main 13, directly the gas transmission arm 14 of increase or gas transmission main 13 are connected with the interface of this air source distributor 12, convenient to operation.
And multiple gas transmission arm 14 and gas transmission main 13 are all arranged on an air source distributor 12, and in engineering, convenient layout.
On the basis of above-described embodiment, particularly, the multiple gas transmission arms 14 be communicated with undermost multiple shower nozzle 21 are all communicated with air source distributor 12.Above-mentioned gas transmission arm 14 is communicated with instead of gas transmission main 13 with air source distributor 12, can avoids like this opening connecting hole again on gas transmission main 13, but also installation can be made to become more convenient.
On the basis of above-described embodiment, particularly, gas supply mechanism 1 comprises air compressor machine 11, and air compressor machine 11 is communicated with air source distributor 12.
On the basis of above-described embodiment, particularly, gas supply mechanism 1 adopts pulsed air feed.Adopt the mode of pulse gas supplying to shower nozzle 21 air feed, make the frequency of pulse gas supplying identical with the frequency that each valve 141 opens and closes, when valve 141 is closed, stop air feed, when valve 141 is opened, start air feed, the consumption of gas and the energy can be reduced so further.The keying of valve 141 can Artificial Control, and the method for programming also can be adopted to control.
On the basis of above-described embodiment, particularly, as shown in Figure 1, the quantity of jet mechanism 2 is three.For traditional filter plant, the jet mechanism 2 of three layers is set, while guarantee least energy consumption, good backwash effect can also be reached.
The concrete using method of the back purge system that the present embodiment provides is: first open the jet mechanism 2 being positioned at the superiors, then successively opens the second layer, third layer downwards successively, etc., finally open the jet mechanism 2 of the bottom.
Adopt above-mentioned open method be because, the amount of the impurity that filter material layer adheres to is fewer the closer to the bottom of filter plant, a part of impurity can first rinse in the jet mechanism 2 of the preferential unlatching the superiors, thus alleviates the burden of the jet mechanism 2 of lower floor, can reduce energy consumption and water consumption.
The material making shower nozzle 21 can have multiple choices, such as: stainless steel or PPR (polypropylenerandom, polypropylene), etc.; The size of shower nozzle 21 also can have multiple choices, highly optional 20 ~ 30mm, the optional 20 ~ 50mm of caliber, and certainly, concrete size also needs to select according to the specification of applied filter plant.
The quantity of shower nozzle 21 is determined according to the sectional area of filter plant, and the spacing between adjacent two shower nozzles 21 is 100 ~ 200mm, is 50 ~ 100mm near the shower nozzle 21 of madial wall apart from the distance of madial wall.
When shower nozzle 21 adopts stainless steel tube, its can directly and madial wall fix; When shower nozzle 21 adopts PPR pipe, then need the inside mounting bracket at equipment to be filtered, the size of support is determined according to the quantity of PPR pipe and radius, and need to ensure that multiple shower nozzles 21 in each jet mechanism 2 are in same level, each shower nozzle 21 must be vertical.
When height of filter media layer is less than 2 meters, three layers of jet mechanism 2 can be set, the jet mechanism 2 of the superiors apart from filtrate 4 upper surface 300 ~ 500mm, intermediate layer between the superiors and orlop 1/2nd position, orlop is at filtrate supporting plate less than 5; When height of filter media layer increases, can increase the quantity of jet mechanism 2 accordingly, the distance between every one deck jet plane structure 2 is 300 ~ 500mm.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a back purge system, is characterized in that, comprising: gas supply mechanism and multiple jet mechanism, and multiple described jet mechanism is along the axial direction layered arrangement of described back purge system; Each described jet mechanism includes multiple shower nozzle, and each described shower nozzle is all communicated with described gas supply mechanism.
2. back purge system according to claim 1, it is characterized in that, described gas supply mechanism comprises multiple gas transmission arm, and each described jet mechanism is all communicated with gas transmission arm described at least one, and multiple described gas transmission arm is communicated with the gas transmission main of described gas supply mechanism and arranges;
And valve is equipped with on each described gas transmission arm, described valve is for opening and closing corresponding described gas transmission arm.
3. back purge system according to claim 2, is characterized in that, the multiple described shower nozzle of the superiors is all communicated with same described gas transmission arm.
4. back purge system according to claim 3, is characterized in that, undermost multiple described shower nozzle respectively gas transmission arm described with is communicated with.
5. back purge system according to claim 4, is characterized in that, the multiple described shower nozzle of remainder layer is divided into many groups, and the described gas transmission arm that the shower nozzle often organized is all corresponding with is communicated with.
6. back purge system according to claim 5, is characterized in that, described gas supply mechanism comprises air source distributor, and described air source distributor is communicated with described gas transmission main with described gas transmission arm.
7. back purge system according to claim 6, is characterized in that, the multiple described gas transmission arm be communicated with undermost multiple described shower nozzle is all communicated with described air source distributor.
8. back purge system according to claim 6, is characterized in that, described gas supply mechanism comprises air compressor machine, and described air compressor machine is communicated with described air source distributor.
9. the back purge system according to any one of claim 1-8, is characterized in that, described gas supply mechanism adopts pulsed air feed.
10. the back purge system according to any one of claim 1-8, is characterized in that, the quantity of described jet mechanism is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772367.5U CN205055524U (en) | 2015-09-30 | 2015-09-30 | Anti - washing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772367.5U CN205055524U (en) | 2015-09-30 | 2015-09-30 | Anti - washing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205055524U true CN205055524U (en) | 2016-03-02 |
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ID=55382128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520772367.5U Active CN205055524U (en) | 2015-09-30 | 2015-09-30 | Anti - washing unit |
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| CN (1) | CN205055524U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148575A (en) * | 2015-09-30 | 2015-12-16 | 胡小弟 | Backwash device |
| CN109107221A (en) * | 2018-08-21 | 2019-01-01 | 金发科技股份有限公司 | A kind of liquid-solid extraction purification devices and purification process |
| CN109368838A (en) * | 2018-12-19 | 2019-02-22 | 胡小弟 | Microfiltration systems water treatment technology |
| CN109368837A (en) * | 2018-12-19 | 2019-02-22 | 胡小弟 | Energy saving microfiltration systems |
-
2015
- 2015-09-30 CN CN201520772367.5U patent/CN205055524U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148575A (en) * | 2015-09-30 | 2015-12-16 | 胡小弟 | Backwash device |
| CN109107221A (en) * | 2018-08-21 | 2019-01-01 | 金发科技股份有限公司 | A kind of liquid-solid extraction purification devices and purification process |
| CN109368838A (en) * | 2018-12-19 | 2019-02-22 | 胡小弟 | Microfiltration systems water treatment technology |
| CN109368837A (en) * | 2018-12-19 | 2019-02-22 | 胡小弟 | Energy saving microfiltration systems |
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