CN205199063U - Stirring devices is intake and fibre ball filter of equipping device to back flush - Google Patents
Stirring devices is intake and fibre ball filter of equipping device to back flush Download PDFInfo
- Publication number
- CN205199063U CN205199063U CN201520885288.5U CN201520885288U CN205199063U CN 205199063 U CN205199063 U CN 205199063U CN 201520885288 U CN201520885288 U CN 201520885288U CN 205199063 U CN205199063 U CN 205199063U
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- water inlet
- backwash
- backwash water
- filter
- agitating device
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Abstract
The utility model provides a stirring devices is intake and fibre ball filter of equipping device to back flush, this fibre ball filter of includes the filter jar body, the back flush of normally filtering water inlet, filter back flush delivery port and being fixed in the filter jar body bottom stirring devices of intaking, when normally filtering, the back flush is intake stirring devices's power and is closed, and the device is only as the filter outlet, and sewage gets into the filter jar body and filters the back and discharge through the back flush water inlet that the back flush was intake on the stirring devices from normally filtering the water inlet promptly, back flush during operation, power device mix water and filter material in the filter jar body, and the water of accomplishing after the back flush is discharged from filter back flush delivery port. The device makes filter material backwashing effect better to fibre ball filter is also better entering new round filtration work prescription fruit, the device plays different effects when different mode, make the simple structure of fibre ball filter compact, has reduced part cost and operation maintenance cost.
Description
[technical field]
The utility model relates to the oil-containing sewage filter be separated with water with other pollutants by greasy dirt; Particularly relate to the fiber ball filter with power set, be particularly equipped with the fiber ball filter of backwash water inlet agitating device.
[background technology]
The ligation of prior art filament becomes fibrous nodules elastic filter material to be the fiber ball filter of filter medium, because the voidage of fibrous nodules is large, in filter process, filtering layer voidage causes top-down water (flow) direction to diminish gradually and comparison operators rationally thinks the space distribution that filtrate is up big and down small.Described fiber ball filter stable equipment operation, reliable, have that filtering velocity is high, to cut mud amount large, the advantages such as retaining power is strong, facility compact, floor space are little, wear-resistant, anticorrosive and the work period is long.Also can according to filtering accuracy and system pressure difference requirement, the compression degree of adjustment filter material hold down gag and adjustable filtrate voidage are to meet different filtration needs.The water that various filtrate relies on the mechanism such as directly interception, inertia interception and adsorption to remove in water after oil-containing and mechanical admixture process tackles orifice plate under filtrate, is discharged by delivery port.
When filtrate pollutes the pollutant holding capability to a certain degree exceeding filtrate, backwash will be carried out.Dankness type compacts is risen to predetermined altitude by hold down gag during backwash, be switched to counter-flushing process, filter out the mouth of a river and become backwashing water entrance, current flow through filter by the direction that backwashing water entrance is contrary with when filtering from bottom to top, during backwash, dirt comes off from filtrate and enters in water, being exported by backwashing water gets rid of outside tank body, flows into cesspool.After backwash, be switched to filtering process, enter filtration condition, carry out the next one work period.Whether filtrate backwash thoroughly determines the filter effect of filter operation again, and the effect of backwash determines follow-up filter effect.In prior art backwash process, clean thorough phenomenon because filter bed fibrous nodules is loose very generally, and do not add initiatively rabbling mechanism during backwash, backwash effect is unsatisfactory.
[utility model content]
The technical problems to be solved in the utility model be to avoid the halfway phenomenon of prior art backwash and provide a kind of can when backwash active agitation backwash water inlet agitating device and equip the fiber ball filter of this device.
The technical scheme that the utility model solve the technical problem employing is: a kind of backwash water inlet agitating device, comprising power set, also comprising for the hollow backwash water inlet shaft of backwash water inlet stirring and the backwash water inlet member for outside water inlet being introduced this backwash water inlet shaft; Described backwash water inlet member is hollow tubular structure, comprise backwash water inlet and body, described backwash water inlet shaft is coaxially inserted in the body of backwash water inlet member, leaves the cylindrical space that the cross section holding backwash water inlet is annular between the two; Described backwash water inlet shaft is provided with and allows the water in water inlet member enter rotating shaft backwash inlet opening in backwash water inlet shaft on the tube wall of axial corresponding backwash water inlet; Described backwash water inlet shaft one end is the solid shafting connected for same power set, and the other end of backwash water inlet shaft is rotating shaft backwash delivery port.
Described backwash water inlet agitating device, the hollow rotating shaft wall of described backwash water inlet shaft water outlet end has rotating shaft backwash apopore.
Described backwash water inlet agitating device, also comprise the adpting flange be fixed on for shaft of backwash being intake in backwash water inlet member, this adpting flange is connected by securing member with backwash water inlet member, and described adpting flange and backwash shaft of intaking is tightly connected by elastomeric element.
Described backwash water inlet agitating device, is tightly connected by elastomeric element between described backwash water inlet shaft stage casing and described backwash water inlet member; The nearly solid axle head of described backwash water inlet shaft is by sliding supported condition in described backwash water inlet member, and this sliding bearing up and down all flexible parts is connected and sealed.
Described backwash water inlet agitating device, is also equipped with for this sliding bearing being covered the bearing gland compressed below described sliding bearing; Described bearing gland is connected by securing member with backwash water inlet member, sliding bearing and the upper and lower elastic sealing element of sliding bearing is fixed and is pressed between backwash water inlet shaft and backwash water inlet member.
Described backwash water inlet agitating device, also comprises and uses the device systems of backwash water inlet agitating device and the hollow water collector of backwash water inlet shaft for UNICOM; Described hollow water collector is fixedly connected on the nearly backwash water outlet end of described backwash water inlet shaft by described water collector fixture; Described hollow water collector main body is cylindrical shell, and water collector top is closed taper shape, the cylindrical shell body wall of this hollow water collector is distributed with the through hole for flowing through water.
Described backwash water inlet agitating device, described hollow water collector cylindrical shell body wall outer surface is provided with one or more with steel plate weldering thereon and the attachment of one or ground disconnected from each other or helically progressive shape, each section of spiral progressive shape attachment overlaps at described hollow water collector axis direction or is not mutually connected.
The technical scheme that the utility model solve the technical problem employing can also be: a kind of fiber ball filter being equipped with described backwash water inlet agitating device, comprises normal filtration water inlet and Filter Back Washing delivery port; Described backwash water inlet agitating device is fixed on described fiber ball filter tank base by adpting flange, and the hollow backwash water inlet shaft upper semisection of this backwash water inlet agitating device coaxially stretches in described fiber ball filter; When described fiber ball filter carries out normal filtration work and do not implement backwash, the power set of described backwash water inlet agitating device will cut out, and described backwash water inlet agitating device is used as filter discharge outlet; Namely sewage enters filter tank body from normal filtration water inlet, and the water after filtration is discharged by the backwash water inlet of backwash water inlet agitating device; When fiber ball filter carries out backwash work, normal filtration water inlet is closed, and the backwash water inlet of described backwash water inlet agitating device is used as backwash water inlet, i.e. the water of backwash enters from backwash water inlet; The power set of described backwash water inlet agitating device start, and stir the water in filter tank body and filtrate, the water after completing backwash is discharged from Filter Back Washing delivery port.
Described fiber ball filter, also comprise the air inlet pipe for extraneous gas being introduced backwash water inlet agitating device, described air inlet pipe one end is connected with external air source, and the other end enters fiber ball filter tank base through fiber ball filter tank body; The gas of external air source is introduced the position of filter tank base close to backwash water inlet agitating device.
Described fiber ball filter more described Filter Back Washing water outlet end also has the measurement mouth for delivery port sampled measurements.
Compared to existing technology, the beneficial effects of the utility model are: 1. add power when backwash and stir, and make the backwash effect of filtrate better, thus make fiber ball filter enter new round filtration work limitation fruit better; 2. backwash agitating device and the sewage draining exit of fiber ball filter when normal filtration share, and make the simple and compact for structure of fiber ball filter, reduce manufacture cost of parts and operation maintenance cost.
[accompanying drawing explanation]
Fig. 1 is the vertical section schematic diagram of the utility model backwash water inlet agitating device preferred embodiment;
Fig. 2 is the vertical section schematic diagram of described embodiment backwash water inlet shaft 110;
Fig. 3 is the cross-sectional schematic of described embodiment backwash water inlet member;
Fig. 4 is the partial schematic sectional view that the fiber ball filter preferred embodiment of backwash water inlet agitating device is equipped with in bottom;
Fig. 5 is the structure for amplifying schematic diagram of hollow water collector 260;
Fig. 6 is the cross-sectional schematic of hollow water collector 260.
[detailed description of the invention]
Below in conjunction with each accompanying drawing, the utility model will be further described.
In specific embodiment as shown in Figure 1, a kind of backwash water inlet agitating device 100, comprises power set 190, for the hollow backwash water inlet shaft 110 of backwash water inlet stirring and the backwash water inlet member 120 for outside water inlet being introduced backwash water inlet shaft.Described backwash water inlet member 120 is hollow tubular structure, comprise backwash water inlet 122 and body 123, described backwash water inlet shaft 110 is coaxially inserted in the body 123 of backwash water inlet member 120, leaves the cylindrical space that the cross section holding backwash water inlet is annular between the two; Described backwash water inlet shaft 110 is provided with and allows the water in water inlet member 120 enter rotating shaft backwash inlet opening 114 in backwash water inlet shaft 110 on the tube wall of axial corresponding backwash water inlet 122; Described backwash water inlet shaft 110 one end is the solid shafting 116 connected for same power set 190, and the other end of backwash water inlet shaft 110 is rotating shaft backwash delivery port 118.
As shown in Figure 2, the position of the corresponding backwash water inlet 122 of described backwash water inlet shaft 110 there is the rotating shaft backwash inlet opening 114 for making the water in water inlet member enter backwash water inlet shaft 110; Described backwash water inlet shaft 110 one end is the solid shafting 116 connected for same power set 190, and the other end of backwash water inlet shaft 110 is rotating shaft backwash delivery port 118.The hollow rotating shaft wall of the water outlet end of described backwash water inlet shaft 110 there is rotating shaft backwash apopore 112.
As shown in Figure 3, described backwash water inlet member 120 is hollow tubular structure, comprises backwash water inlet 122 and body 123, and described backwash water inlet shaft 110 is socketed in the body 123 of backwash water inlet member 120.
In specific embodiment as shown in Figure 1, described backwash water inlet agitating device 100 also comprises the adpting flange 150 be fixed on for shaft 110 of backwash being intake in backwash water inlet member 120, this adpting flange 150 is connected by securing member 186 with backwash water inlet member 120, and described adpting flange 150 and backwash shaft 110 of intaking is tightly connected by elastomeric element 184.Described adpting flange 150 carries out elastomeric element be tightly connected by embedding an O RunddichtringO 184 wherein and backwash shaft 110 of intaking.In specific embodiment as shown in Figure 1, be tightly connected by elastomeric element between described backwash water inlet shaft 110 stage casing and described backwash water inlet member 120; Nearly solid shafting 116 end of described backwash water inlet shaft 110 is bearing in described backwash water inlet member 120 by sliding bearing 160, and all flexible parts of this sliding bearing about 160 are connected and sealed.Namely described backwash water inlet shaft 110 is closely tightly connected by elastomeric element between rotating shaft backwash delivery port 118 end and described backwash water inlet member 120; This elastic sealing element is a UHS RunddichtringO 185.
In specific embodiment as shown in Figure 1, the bearing gland 170 for this sliding bearing 160 being covered compression is also housed below described sliding bearing 160; Described bearing gland 170 is connected by securing member with backwash water inlet member 120, and the elastic sealing element of sliding bearing 160 and sliding bearing about 160 is fixed and is pressed between backwash water inlet shaft 110 and backwash water inlet member 120.Also be equipped with for sliding bearing being covered the bearing gland 170 compressed below described sliding bearing 160; Described bearing gland 170 is connected by securing member with backwash water inlet member 120, is fixed and clamped between backwash water inlet shaft 110 and backwash water inlet member 120 by the elastic sealing element of sliding bearing 160 and sliding bearing about 160.The elastic sealing element of described sliding bearing about 160 is the 2nd UHS RunddichtringO 183 and the 2nd O RunddichtringO 182 respectively.
In a kind of fiber ball filter specific embodiment as shown in Figure 4, comprise filter tank body 210, normal filtration water inlet 220 and Filter Back Washing delivery port 230, described backwash water inlet agitating device 100 is fixed on bottom filter tank body 210 by adpting flange 150.The drive unit 290 of filter material hold down gag 280 and filter material hold down gag is also equipped with in filter tank body 210 inside, when filter normally works according to different filtration needs controlled filter material hold down gags to the compression degree of filtrate.
Backwash is as illustrated in Figures 5 and 6 intake in the embodiment of agitating device 100 and fiber ball filter, also comprises hollow water collector 260; Described hollow water collector 260 is for UNICOM's backwash water inlet shaft 110 and the device systems using backwash water inlet agitating device 100; Described hollow water collector 260 is fixedly connected on nearly backwash delivery port 118 end of described backwash water inlet shaft 110 by described water collector fixture 264; Described hollow water collector 260 main body is cylindrical shell, and water collector top 267 is the taper shape closed, and the cylindrical shell body wall of this hollow water collector 260 is distributed with the through hole 265 for flowing through water.
There is a water collector fixed installation hole 268 at the center of described water collector fixture 264, and the threaded joints 164 having left hand thread and backwash to intake on shaft 110 in this hole is fixed as one by screw threads for fastening mode shaft 110 of hollow water collector 260 and backwash being intake.Certain described water collector fixture 264 can also be a mounting flange, realizes being fixedly connected with of hollow water collector 260 and backwash water inlet shaft 110 by flange.
As illustrated in Figures 5 and 6, described hollow water collector 260 cylindrical shell body wall outer surface is provided with one or more with steel plate weldering thereon and the attachment 263 of one or ground disconnected from each other or helically progressive shape, each section of spiral progressive shape attachment 263 overlaps at described hollow water collector 260 axis direction or is not mutually connected.Namely the attachment 263 of the progressive shape of spiral can be the monoblock steel plate of the progressive shape of a spiral, and also can be the plurality of steel plates of the helically progressive shape arrangement of segmentation, also can be the volume multistage steel plate of the helically progressive shape of setting parallel to each other.During plurality of steel plates, independent plate profile can be shape outstanding arbitrarily, triangle, rectangle, parallelogram or other shape.
A kind of fiber ball filter being equipped with described backwash water inlet agitating device 100 as shown in Figure 4, comprises normal filtration water inlet 220 and Filter Back Washing delivery port 230; Described backwash water inlet agitating device 100 is fixed on bottom described fiber ball filter tank body 210 by adpting flange 150, and hollow backwash water inlet shaft 110 upper semisection of this backwash water inlet agitating device 100 coaxially stretches in described fiber ball filter.
When described fiber ball filter carries out normal filtration work and do not implement backwash, the power set 190 of described backwash water inlet agitating device 100 will cut out, and described backwash water inlet agitating device 100 is used as filter discharge outlet; Namely sewage enters filter tank body 210 from normal filtration water inlet 220, and the water after filtration is discharged by the backwash water inlet 122 of backwash water inlet agitating device 100; When fiber ball filter carries out backwash work, normal filtration water inlet 220 is closed, and the backwash water inlet 122 of described backwash water inlet agitating device 100 is used as backwash water inlet, i.e. the water of backwash enters from backwash water inlet 122; The power set 190 of described backwash water inlet agitating device 100 start, and stir the water in filter tank body 210 and filtrate, the water after completing backwash is discharged from Filter Back Washing delivery port 230.When fiber ball filter carries out normal filtration work, the power of the power set 190 of described backwash water inlet agitating device 100 is closed, and described backwash water inlet agitating device 100 is used as filter discharge outlet; Namely sewage enters filter tank body 210 from normal filtration water inlet 220, and the water after filtration is discharged by the backwash water inlet 122 of backwash water inlet agitating device 100.
When fiber ball filter carries out backwash work, normal filtration water inlet 220 is closed, and the backwash water inlet 122 of described backwash water inlet agitating device 100 is used as backwash water inlet, i.e. the water of backwash enters from backwash water inlet 122; The power of the power set 190 of described backwash water inlet agitating device 100 starts, and stir the water in filter tank body 210 and filtrate, the water after completing backwash is discharged from Filter Back Washing delivery port 230.
Add power when backwash to stir, filtrate is done roll up and down, carry out backwash, dirt comes off from filtrate and enters in water, there is no the better effects if of the backwash of powered agitation filtrate when comparing backwash, thus make fiber ball filter in the better effects if entering new filtration operation.
The sewage draining exit when normal filtration of backwash agitating device and fiber ball filter shares, and makes the simple and compact for structure of fiber ball filter, reduces parts and O&M cost.
As shown in Figure 4 backwash water inlet agitating device 100 and fiber ball filter specific embodiment in, also comprise the air inlet pipe 270 for extraneous gas being introduced backwash water inlet agitating device 100, described air inlet pipe 270 one end is connected with external air source, and the other end enters bottom fiber ball filter tank body 210 through fiber ball filter tank body 210; The gas of external air source is introduced the position close to backwash water inlet agitating device 100 bottom filter tank body 210.Described air inlet pipe 270 also can have several to pass fiber ball filter tank body 210, passes into gas from multiple different angle.
Fiber ball filter tank body 210 can also be furnished with endless tube in bottom, and the air inlet pipe 270 that endless tube passes fiber ball filter tank body 210 with several is connected, and is distributed with air inlet pipe 270 at whole fiber ball filter tank body 210 bottom even; The air inlet pipe 270 introduced in filter canister can strengthen back washing strength, and the equally distributed air inlet pipe 270 of multi-angle further can strengthen back washing strength.
When fiber ball filter does not equip hollow water collector 260, described air inlet pipe 270 one end is connected with external air source, and the other end is connected to bottom the filter tank body 210 close to the water outlet position 112 of backwash water inlet agitating device.Aerodynamic force, as auxiliary power, can make the gap in filtrate strengthen, make the better effects if of backwash.
As shown in Figure 4, described Filter Back Washing delivery port 230 end also has the measurement mouth 235 for delivery port sampled measurements, and after carrying out backwash easily, the collection of sample is measured, the effect of convenient assessment backwash.
Fiber ball filter by capable to bottom blow-down mouth and rabbling mechanism become a set of global design, when overcoming backwash to the cleaning of filter bed fibrous nodules loose thoroughly phenomenon improve, thus more level off to ideal filter structure.The filter effect of this improvement to fiber ball filter is greatly improved; Because rabbling mechanism is underlying, and compress filter bed in filter process, the pollutant that in filter process, filter bed is treated in treat liquid is tackled, thus the pollution layer of filter bed is moved down.And retain more pollutant and will the proportion of fibrous nodules be made larger, and rabbling mechanism is underlying can play larger mixing effect to the fibrous nodules bottom filter bed, this is conducive to the sufficient backwash of filter medium, thus raising filter efficiency, the cleaning performance of fiber ball filter entirety is better than common fiber ball filter.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in the utility model scope of patent protection.
Claims (10)
1. backwash water inlet agitating device (100), comprises power set (190), it is characterized in that:
Also comprise for hollow backwash water inlet shaft (110) of backwash water inlet stirring and the backwash water inlet member (120) for outside water inlet being introduced this backwash water inlet shaft (110);
Described backwash water inlet member (120) is hollow tubular structure, comprise backwash water inlet (122) and body (123), described backwash water inlet shaft (110) is coaxially inserted in the body (123) of backwash water inlet member (120), leaves the cylindrical space that the cross section holding backwash water inlet is annular between the two;
Described backwash water inlet shaft (110) is provided with and allows the water in water inlet member (120) enter rotating shaft backwash inlet opening (114) in backwash water inlet shaft (110) on the tube wall of axial corresponding backwash water inlet (122);
Described backwash water inlet shaft (110) one end is the solid shafting (116) connected for same power set (190), and the other end of backwash water inlet shaft (110) is rotating shaft backwash delivery port (118).
2. backwash water inlet agitating device (100) according to claim 1, is characterized in that:
The hollow rotating shaft wall of described backwash water inlet shaft (110) water outlet end there is rotating shaft backwash apopore (112).
3. backwash water inlet agitating device (100) according to claim 1, is characterized in that:
Also comprise the adpting flange (150) be fixed on for shaft (110) of backwash being intake in backwash water inlet member (120), this adpting flange (150) is connected by securing member (186) with backwash water inlet member (120), and described adpting flange (150) and backwash shaft (110) of intaking is tightly connected by elastomeric element (184).
4. backwash water inlet agitating device (100) according to claim 1, is characterized in that:
Be tightly connected by elastomeric element between described backwash water inlet shaft (110) stage casing and described backwash water inlet member (120); Nearly solid shafting (116) end of described backwash water inlet shaft (110) is bearing on described backwash water inlet member (120) by sliding bearing (160), and this sliding bearing (160) up and down all flexible parts is connected and sealed.
5. backwash water inlet agitating device (100) according to claim 4, is characterized in that:
Described sliding bearing (160) below is also equipped with for this sliding bearing (160) being covered the bearing gland (170) compressed; Described bearing gland (170) is connected by securing member with backwash water inlet member (120), sliding bearing (160) and the upper and lower elastic sealing element of sliding bearing (160) is fixed and is pressed between backwash water inlet shaft (110) and backwash water inlet member (120).
6. backwash water inlet agitating device (100) according to claim 1, is characterized in that: also comprise and use the device systems of backwash water inlet agitating device (100) and the hollow water collector (260) of backwash water inlet shaft (110) for UNICOM;
Described hollow water collector (260) is fixedly connected on nearly backwash delivery port (118) end of described backwash water inlet shaft (110) by described water collector fixture (264); Described hollow water collector (260) main body is cylindrical shell, water collector top (267) is the taper shape closed, and the cylindrical shell body wall of this hollow water collector (260) is distributed with the through hole (265) for flowing through water.
7. backwash water inlet agitating device (100) according to claim 6, it is characterized in that: described hollow water collector (260) cylindrical shell body wall outer surface is provided with one or more with steel plate weldering thereon and the attachment (263) of one or ground disconnected from each other or helically progressive shape, each section of spiral progressive shape attachment (263) overlaps at described hollow water collector (260) axis direction or is not mutually connected.
8. be equipped with a fiber ball filter for backwash water inlet agitating device (100) as described in any one of claim 1 to 7, comprise normal filtration water inlet (220) and Filter Back Washing delivery port (230); Described backwash water inlet agitating device (100) is fixed on described fiber ball filter tank body (210) bottom by adpting flange (150), and hollow backwash water inlet shaft (110) upper semisection of this backwash water inlet agitating device (100) coaxially stretches in described fiber ball filter;
When described fiber ball filter carries out normal filtration work and does not implement backwash, the power set (190) of described backwash water inlet agitating device (100) will cut out, and described backwash water inlet agitating device (100) is as filter discharge outlet; Namely sewage enters filter tank body (210) from normal filtration water inlet (220), the water after filtration by backwash intake agitating device (100) backwash water inlet (122) discharge;
When fiber ball filter carries out backwash work, normal filtration water inlet (220) is closed, the backwash water inlet (122) of described backwash water inlet agitating device (100) is as backwash water inlet, i.e. the water of backwash enters from backwash water inlet (122); The power set (190) of described backwash water inlet agitating device (100) start, stir the water in filter tank body (210) and filtrate, the water after completing backwash is discharged from Filter Back Washing delivery port (230).
9. dimension ball filter according to claim 8, it is characterized in that: also comprise the air inlet pipe (270) for extraneous gas being introduced backwash water inlet agitating device (100), described air inlet pipe (270) one end is connected with external air source, and the other end enters fiber ball filter tank body (210) bottom through fiber ball filter tank body (210); The gas of external air source is introduced the position of filter tank body (210) bottom close to backwash water inlet agitating device (100).
10. fiber ball filter according to claim 8, is characterized in that: described Filter Back Washing delivery port (230) end also has the measurement mouth (235) for delivery port sampled measurements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885288.5U CN205199063U (en) | 2015-11-09 | 2015-11-09 | Stirring devices is intake and fibre ball filter of equipping device to back flush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885288.5U CN205199063U (en) | 2015-11-09 | 2015-11-09 | Stirring devices is intake and fibre ball filter of equipping device to back flush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205199063U true CN205199063U (en) | 2016-05-04 |
Family
ID=55836808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520885288.5U Active CN205199063U (en) | 2015-11-09 | 2015-11-09 | Stirring devices is intake and fibre ball filter of equipping device to back flush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205199063U (en) |
-
2015
- 2015-11-09 CN CN201520885288.5U patent/CN205199063U/en active Active
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