CN1318118C - Fibrous filtering pool - Google Patents
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- CN1318118C CN1318118C CNB2005100497551A CN200510049755A CN1318118C CN 1318118 C CN1318118 C CN 1318118C CN B2005100497551 A CNB2005100497551 A CN B2005100497551A CN 200510049755 A CN200510049755 A CN 200510049755A CN 1318118 C CN1318118 C CN 1318118C
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Abstract
The present invention relates to a fiber filtering pool which comprises a filtering chamber (1), wherein the filtering chamber is composed of a blocking device for filtering material (2), a filtering layer for fibre filtering material (3), a water distributing device with small resistance force (4), and an air and water chamber (5); the water distributing device with small resistance force (4) comprises filtering heads with long handles (9), which are uniformly arranged; each filtering head with a long handle (9) is provided with a central through hole (9a) through the filtering layer for fibre filtering material (3) and the air and water chamber (5); the upper part at the side wall of the filtering head with a long handle is provided with an air inlet hole (9b), and the lower part at the side wall is provided with a sliver-shaped hole (9c); both the air inlet hole (9b) and the sliver-shaped hole (9c) are communicated with the central through hole (9a). Compared with the prior art, the present invention can uniformly collect water after filtration and can uniformly distribute backwashing water; at the time of backwashing, the present invention can cause fibre filtering material to roll up and down in the filtering layer, and thus, suspended solid on the fibre filtering material can easily and thoroughly shed from the surface of the fibre filtering material. Thus, the present invention is adapted to the characteristics of the filtering layer for filtering material and greatly improves backwashing effects. Both ends of the filtering layer for fibre filtering material are supported by a filtering screen plate, and thus, the filtering layer for fibre filtering material prevents fibre filtering material from running off and is suitable for practical application.
Description
Technical field
The present invention relates to a kind of filtering ponds, relate in particular to a kind of with the filtering ponds of fiber filtering as filtering layer.
Background technology
In fields such as town water supply processing, industrial water supply processing, industrial cycle water treatment, sewage disposal, filtration is a crucial handling process, is the link that makes a final check of removing suspension in the water.The most frequently used facility is various forms of filtering ponds at present, it generally is made up of filtering ponds pond body, filtrate filtering layer, filtrate bearing device and water dispensing apparatus of being used for the backwash filtrate etc., filtrate generally adopts quartz sand or anthracite, the common issue with that such filtering ponds exist is that filtering velocity is lower, be 8-14m/s, and filtering accuracy and pollutant holding capability are also undesirable.Therefore some filtrates that can improve the rate of filtration and precision are invented, as the patent No. is the Chinese utility model patent " comet type fibrous filter " of ZL98249298.7 (publication number is CN2345267Y), this fiber filtering is the fibre bundle of the comet shape of a kind of intelligent nuclear and comets tail composition, its intelligent nuclear proportion is greater than comets tail, good filtration effect, and during backwash, comets tail can be swung with backwashing water, has strengthened backwash effect.And adopt the filtering ponds of this fiber filtering, characteristic because of filtrate, different to requiring of installing in the filtering ponds, therefore some filtrates adopt the filtering ponds of fiber filtering to be invented, as the patent No. is a kind of filtering ponds the Chinese utility model patent " fibrous filtering pool " of ZL99248788.9 (publication number is CN2401251Y) discloses, its unit filtering ponds comprise and are provided with two symmetrically arranged filter chambers that separated by double-deck middle channel, be provided with the V-arrangement intake chamber at these filtering ponds two upper lateral parts, this upper strata, bilayer middle channel is the backwash rhone, lower floor is the air water distributing channel, both sides at the air water distributing channel are provided with air distribution hole, and the both sides of its bottom are provided with distributing hole, and described filter chamber includes two ends and is fixed on the fiber filtering filtering layer on the porous plate up and down and the air water chamber of its below, and wherein said air water chamber and described air distribution hole and distributing hole communicate.This fibrous filtering pool is when filtering former water, water purification after filtering is directly to flow directly into the air water chamber by following porous plate, enter the air water distributing channel through distributing hole then, and water purification can only rely on its deadweight and flow into the air water chamber, single porous plate can not be collected the water purification after the filtration equably; This fibrous filtering pool is when backwash, air water directly enters the air water chamber from air distribution hole and distributing hole separately, directly pass through porous plate flushing fiber worry material down then, the backwash G﹠W can not be distributed in the bottom of whole fiber filtering filtering layer equably, fiber filtering just can't comprehensively be rinsed, and can not satisfy the backwash requirement of fiber filtering as filtering layer.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of can collect filter back water purification equably, the backwash G﹠W that can distribute equably again, thereby the fibrous filtering pool of raising backwash effect at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this fibrous filtering pool, include the filter chamber, this filter chamber includes from top to bottom retaining filtrate device, fiber filtering filtering layer, the gentle hydroecium of slight drag water dispensing apparatus that is provided with, and it is characterized in that: described slight drag water dispensing apparatus comprises the lower filter screen plate, be positioned at the dividing plate that evenly is furnished with strainer head on its of lower filter screen plate below; And described dividing plate is connected with the pool wall that forms described filter chamber; Described strainer head has the center through hole that is communicated with the gentle hydroecium of described fiber filtering filtering layer, and the side wall upper part of this strainer head has the air admission hole that is connected with described center through hole, and the lower sidewall of described strainer head has the strip hole that is connected with described center through hole.
Fiber filtering filtering layer at different-thickness, the pressure of backwash gas can be different accordingly, for making this strainer head can be adapted to the backwash gas of different pressure, when preventing that the pressure of backwash gas is excessive, gas directly enters its center through hole from the strainer head bottom, guarantee that strainer head can form stable air cushion layer all the time, thereby improve the backwash effect of fiber filtering, the lower sidewall of described strainer head also has the strip hole that is connected with described center through hole, like this when backwash gas pressure is big, portion gas can enter center through hole from this strip hole, and according to different gas pressure intensities, the height of backwashing water can correspondingly fluctuate near this strip hole in the air water chamber, thereby for the pressure of different backwash gas, strainer head can form a stable air cushion layer all the time.
Because of this strainer head is positioned under the fiber filtering filtering layer, in order to prevent the loss of fiber filtering, can guarantee the smooth and easy circulation of strainer head center through hole again, described strainer head is arranged on the dividing plate that is connected with described filter chamber pool wall, and on this dividing plate and strainer head, is provided with the lower filter screen plate.
Wherein, for improving the utilization rate of channel, be more suitable for practical application, described filter chamber can be separated and is symmetrical arranged into two by double-deck middle channel, this upper strata, bilayer middle channel is the backwash rhone, and lower floor is the air water distributing channel, is provided with air distribution hole in the both sides at described air water distributing channel middle part, and the both sides of its bottom are provided with distributing hole, and described air water chamber and air distribution hole and distributing hole are connected.
Described retaining filtrate device is one to be fixed on the upward filtration web plate around filter chamber's pool wall; The size of described upward filtration web plate needs and the filter chamber matches, consider the practical application of upward filtration web plate, make the upward filtration web plate can be applicable to the filter chamber of different sizes, the polylith upward filtration web plate that this retaining filtrate device can be ready-made certain specification is spliced, such as 497mm * 330mm specification, all be provided with intensive bar seam on every block of upward filtration web plate, the gap between the gap of bar seam and the every block of upward filtration web plate is good to be not more than 2mm, prevents that fiber filtering from flowing out between the upward filtration web plate.
More firm for what be connected between the pool wall that makes described upward filtration web plate and filter chamber and the every block of upward filtration web plate, the following L-shaped angle steel in cross section that can be fixed with all around of described upward filtration web plate supports, being connected to each other that the angle steel of adjacent two blocks of upward filtration web plates below it supports is connected as a single entity, and the upward filtration web plate adjacent with the pool wall of filter chamber, angle steel below it supports the L-shaped ring angle steel in bottom and a cross section and is connected, and this encircles angle steel and then is connected with built-in fitting on filter chamber's pool wall; Wherein, described upward filtration web plate can be that the PP material is injection molded, angle steel supports can pass through M12X50 stainless steel bolt and the fastening one of upward filtration web plate, connection between the parts can be adopted welding manner, be welded as full weld and adjacent two angle steel support, and angle steel supports and the pool wall of filter chamber between the gap preferably fill up with cement mortar.
Described fiber filtering can be a kind of fibre bundle of comet shape, its head has plastic pellet, thereby make this fiber filtering both have filtering accuracy height, advantage that pollutant holding capability is big, have granule filter material backwash wash degree height, characteristics that water consumption is few again, this fiber filtering forms void ratio and distributes near desirable filtrate.
And the lower filter screen plate in the described slight drag water dispensing apparatus is the supporting layer as fiber filtering, needing to satisfy filter back water purification flows down equably, can satisfy the upper punch requirement equably of backwash air water again, in filtration and backwash process, should prevent that also filtrate runs off, so can be provided with intensive bar seam on the described lower filter screen plate, the gap of bar seam is slightly less than the diameter of fiber filtering head plastic pellet, and its through-hole rate is greater than 30%.
For accelerating the speed of current by described lower filter screen plate, the cross section of lower filter screen plate muscle is good with wedge shape between described seam, the bottom, cross section that makes the bar seam like this is greater than top, guaranteeing that the lower filter screen plate can prevent on the basis of fiber filtering loss, strengthened the outlet of current, thereby made current more smooth and easy rapidly through the lower filter screen plate.
Described lower filter screen plate generally just is fixed on around filter chamber's pool wall, its size needs and the filter chamber matches, consider the practical application of lower filter screen plate, make the lower filter screen plate can be applicable to the filter chamber of different sizes, this lower filter screen plate can little sieve plate be spliced by the polylith of ready-made certain specification; And its both sides of described little sieve plate can be provided with the swallow-tail form convex tendon, and both sides then are provided with and the corresponding dovetail groove of this swallow-tail form convex tendon in addition, like this, little sieve plate can fasten mutually, thereby being stitched together of polylith is covered with whole filtering ponds plane, and also very simple of structure; And this lower filter screen plate can be fixed on the dividing plate with studs by at four jiaos installing hole being set.
And the strainer head in the described slight drag water dispensing apparatus can be made cylindrical, its head has external screw thread, and is fastened on the dividing plate with nut, such design, make the adjustable height of this strainer head, thereby a strainer head outlet on the filtering ponds is maintained at the same horizontal plane.
In this slight drag water dispensing apparatus, fixedlying connected between the dividing plate of lower filter screen plate and its lower floor can be adopted existing various technology, but for making both fix more firmly, both can interconnect by studs and back-up block, this stud two is connected with dividing plate with described lower filter screen plate respectively, back-up block then is set in outside this stud, makes between lower filter screen plate and dividing plate to keep certain distance.
For steel plate filter chamber pond body, dividing plate generally also adopts steel plate to make, this dividing plate can by be fixed on filter chamber's pool wall on fixedlying connected of supporting of L shaped angle steel fix, and should L shaped angle steel support fixedly connected by studs with dividing plate, can also be provided with rubber cushion, enhanced leaktightness between the two;
Described strainer head is for the steel dividing plate, dividing plate can be provided with through hole, and described strainer head all is arranged with nut in the periphery that is positioned at the dividing plate both sides, during actual installation, earlier nut is screwed into the head of strainer head, again strainer head is penetrated dividing plate from the bottom up, adjust height, use nut fastening again after can adding silicagel pad.
And for pond, the filter chamber body of armored concrete, dividing plate generally adopts the reinforced plastics plate to make, and such as strengthening the PP plate, its thickness and structure should guarantee to bear 500kg/m
2Load, described dividing plate can fix by being embedded on the bolt around filter chamber's pool wall, can also be provided with rubber cushion, enhanced leaktightness between this dividing plate and filter chamber's pool wall extension;
Fixing for plastic septum of described strainer head screw can be set, and described strainer head is provided with nut in the outer race that is positioned at dividing plate top on dividing plate, during actual installation, earlier the screw thread of strainer head is screwed into screw, adjust height after, use nut fastening again after can adding silicagel pad.
Compared with prior art, the invention has the advantages that: by between the gentle hydroecium of fiber filtering filtering layer, setting up strainer head with center through hole, and its sidewall also is provided with air admission hole, and the center through hole of this strainer head is the passage of backwashing water upper punch when filtering passage that the back water purification flows down and backwash, the strainer head of this even layout, it is gentle to along journey and local losses to have reduced backwashing water, the difference minimum that keeps under the fiber filtering filtering layer the gentle resistance of each point backwashing water in the whole area, thereby realize being evenly distributed the backwash G﹠W, realized to collect equably filter back water easily, backwashing water equably can distribute again, and being air admission hole from this strainer head side wall upper part, backwash gas enters center through hole, thereby form an air cushion layer, when backwash, fiber filtering is rolled up and down in filtering layer, the suspended solid on the fiber filtering is come off from its surface more up hill and dale, adapt to the characteristics of fiber filtering filtering layer, increased substantially backwash effect;
Simultaneously, the strip hole of this strainer head lower sidewall, make strainer head for different backwash gas pressure, guarantee that strainer head can form stable air cushion layer all the time, when backwash gas pressure is big, gas enters its center through hole by the air admission hole of strainer head side wall upper part and the strip hole of bottom during backwash, backwashing water then enters its center through hole from the bottom of strainer head, during backwash, the backwash G﹠W keeps evenly in whole filter chamber internal pressure, balance, has improved the backwash effect of fiber filtering greatly;
And fiber filtering filtering layer two ends have prevented the loss of fiber filtering all by upper and lower filter plate support, have fully taken into account the characteristics of fiber filtering, are suitable for practical application more;
And the swallow-tail form convex tendon of lower filter screen plate both sides and the design of dovetail groove, make the installation of lower filter screen plate become easier, and be easy to actual enforcement.
To sum up, the present invention fully combines the characteristics of fiber filtering, and backwash effect is obvious, and structure arrangement science, reasonable is suitable for practical application, and easy to implement.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of slight drag water dispensing apparatus in the filter chamber of steel plate system;
Fig. 3 is the structural representation of slight drag water dispensing apparatus in the filter chamber of armored concrete system;
Fig. 4 is the structural representation of the little sieve plate of lower filter screen plate;
Fig. 5 is the partial sectional view of the medium and small sieve plate of Fig. 4;
Fig. 6 is the structural representation of retaining filtrate device among Fig. 1;
Fig. 7 be among Fig. 6 A-A to cutaway view;
Fig. 8 be among Fig. 6 B-B to cutaway view.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 8, this fibrous filtering pool includes and is provided with two symmetrically arranged filter chambers 1 that separated by double-deck middle channel, the 1 small size (single pool area≤10m of this filter chamber
2) make with steel plate, large-arealy build with armored concrete, this upper strata, bilayer middle channel is a backwash rhone 6, lower floor is an air water distributing channel 7, both sides at air water distributing channel 7 middle parts are provided with air distribution hole 7a, and the both sides of its bottom are provided with distributing hole 7b, and described filter chamber 1 includes retaining filtrate device 2, is positioned at the fiber filtering filtering layer 3 of its below and the air water chamber 5 of its below, wherein air water chamber 5 communicates with air distribution hole 7a, distributing hole 7b, referring to Fig. 1;
Wherein, between described fiber filtering filtering layer 3 gentle hydroeciums 5, also be provided with slight drag water dispensing apparatus 4, this slight drag water dispensing apparatus 4 includes the strainer head of evenly arranging on dividing plate 10 that lower filter screen plate 8, its lower floor and the 1 pool wall 1a of described filter chamber be tightly connected and this dividing plate 10 9, referring to Fig. 2 and Fig. 3;
And this strainer head 9 is cylindrical, its head has external screw thread, be fastened on the dividing plate 10 with nut, and this strainer head 9 has the center through hole 9a that is communicated with described fiber filtering filtering layer 3 gentle hydroeciums 5, the top of its sidewall has air admission hole 9b, the bottom also has strip hole 9c, and the both is connected with the center through hole 9a of this strainer head 9, referring to Fig. 2 and Fig. 3;
Described fiber filtering is a kind of fibre bundle of comet shape, and its head has plastic pellet, and this fiber filtering forms void ratio and distributes near desirable filtrate, thereby filtering layer is thinner than sand filter, the rate of filtration is more much higher than sand filter, can reach 25-30m/s, has reduced the area in filter tank;
And the lower filter screen plate 8 in the slight drag water dispensing apparatus 4 is spliced by the little sieve plate 8a of polylith of certain specification, and thickness should guarantee to bear 500kg/m
2Load, profile is a rectangle, and its size should be the modulus of typical filter chamber 1 planar dimension, as is taken as 500mm * 333mm specification, and it can be combined into 1m
2, 1.5m
2And the area of plane of multiple, this little sieve plate 8a is provided with intensive bar seam 8b, and the gap of bar seam 8b is slightly less than the diameter of fiber filtering head, can be taken as 2mm, its through-hole rate 〉=30%, the cross section of lower filter screen plate muscle 8c is wedge shape between the bar seam 8b, referring to Fig. 4 and Fig. 5;
Connect one between the described little sieve plate 8a in the following way: the both sides of described little sieve plate 8a are provided with swallow-tail form convex tendon 8d, both sides then are provided with the corresponding dovetail groove 8e with this swallow-tail form convex tendon 8d in addition, can fasten mutually between the so little sieve plate 8a, thereby being stitched together of polylith, be covered with 1 plane, whole filter chamber, referring to Fig. 4;
The little sieve plate 8a of this lower filter screen plate 8 is provided with installing hole 8f at four jiaos, 10 on the dividing plate of lower filter screen plate 8 and its lower floor interconnects by back-up block 11 and studs 12, connected mode is as follows: these stud 12 two are connected with dividing plate 10 with described lower filter screen plate 8 respectively, back-up block 11 then is set in outside this stud 12, referring to Fig. 2 and Fig. 3;
Filter chamber 1 for steel plate system, dividing plate 10 adopts steel plate to make, this dividing plate 10 by be fixed on the 1 pool wall 1a of filter chamber on L shaped angle steel support fixedlying connected of 1b and fix, and this L shaped angle steel support 1b is fixedlyed connected by studs 13 with dividing plate 10, can also be provided with rubber cushion 14 between the two, enhanced leaktightness is referring to Fig. 2;
Described strainer head 9 is for steel dividing plate 10, dividing plate 10 is provided with through hole, and described strainer head 9 all is arranged with nut in the periphery that is positioned at dividing plate 10 both sides, during actual installation, earlier nut is screwed into the head of strainer head 9, again strainer head 9 is penetrated dividing plate 10 from the bottom up, adjust height, use nut fastening again after adding silicagel pad 9d, referring to Fig. 2.
And for the filter chamber 1 of armored concrete, dividing plate 10 adopts and strengthens the PP plates and makes, and its thickness and structure should guarantee to bear 500kg/m
2Load, this dividing plate 10 is fixed on the 1 pool wall 1a of filter chamber by the bolt 1c that is embedded in around the 1 pool wall 1a of filter chamber, also is provided with rubber cushion 14 between this dividing plate 10 and filter chamber's 1 pool wall 1a extension, enhanced leaktightness is referring to Fig. 3;
Fixing of described strainer head 9 for plastic septum 10, on dividing plate 10, screw is set, and described strainer head 9 is provided with nut in the outer race that is positioned at dividing plate 10 tops, during actual installation, earlier the screw thread of strainer head 9 is screwed into screw, after adjusting height, use nut fastening again after adding silicagel pad 9d, referring to Fig. 2.
Described retaining filtrate device 2 is one to be fixed on the sieve plate around the 1 pool wall 1a of filter chamber, polylith upward filtration web plate 2a by certain specification is spliced, such as 497mm * 330mm specification, every upward filtration web plate 2a is provided with intensive bar seam 2b, and the gap of bar seam 2b is slightly less than the diameter of fiber filtering head, can be taken as 2mm, its through-hole rate 〉=30%, and the gap between every upward filtration web plate 2a also is slightly less than the diameter of fiber filtering head, also can be taken as 2mm, referring to Fig. 6;
Be fixed with the L-shaped angle steel in cross section around below this upward filtration web plate 2a and support 2c, the angle steel of adjacent two upward filtration web plate 2a below it supports being connected to each other of 2c and is connected as a single entity, and the upward filtration web plate 2a adjacent with the pool wall 1a of filter chamber 1, angle steel below it supports the L-shaped ring angle steel 1e in 2c bottom and a cross section and is connected, this ring angle steel 1e then is connected with built-in fitting 1d on the 1 pool wall 1a of filter chamber, wherein, described upward filtration web plate 2a is that the PP material is injection molded, angle steel supports 2c can be by M12X50 stainless steel bolt 15 and the fastening one of upward filtration web plate 2a, welding manner is adopted in connection between the parts, and adjacent two angle steel support the full weld that is welded as of 2c, and the gap between the pool wall 1a of angle steel support 2c and filter chamber 1 is filled up with cement mortar, referring to Fig. 7 and Fig. 8.
Operation principle is as follows:
This fibrous filtering pool is when filtering sewage, former water is through after keeping off filtrate device 2 and 3 filtrations of fiber filtering filtering layer, water purification flows down along 8 seams of the lower filter screen plate in the slight drag water dispensing apparatus 4 8b, center through hole 9a through strainer head 9, collected air water chamber 5 uniformly, the distributing hole 7b that flows through again arrives distributing channel 7, delivers to clear water reserviors from the delivery port of distributing channel 7, referring to the filter chamber that is positioned at the left side among Fig. 1;
And when backwash, inlet gate is closed, backwash gas and water are from the requirement of distributing channel follow procedure, enter air water chamber 5 by air distribution hole 7a and distributing hole 7b respectively, backwash gas enters its center through hole 9a from the air admission hole 9b of strainer head 9 side wall upper part and the strip hole 9c of bottom, center through hole 9a by strainer head 9 forms an air cushion layer, general this air cushion layer height is 100-200mm, backwashing water then enters its center through hole 9a from the bottom of strainer head 9, and backwash this moment G﹠W keeps evenly in whole filter chamber 1 internal pressure, balance, and fiber filtering is broken up expansion at this moment, the rinsing of in whole fiber filtering filtering layer 3 spaces, rolling, and the retaining filtrate device 2 of fiber filtering filtering layer 3 tops prevents the loss of fiber filtering, the sewage that backwash is come out then flows out from backwash rhone 6, referring to the filter chamber that is positioned at the right among Fig. 1.
Claims (7)
1, a kind of fibrous filtering pool, include filter chamber (1), this filter chamber (1) includes from top to bottom retaining filtrate device (2), fiber filtering filtering layer (3), the gentle hydroecium of slight drag water dispensing apparatus (4) (5) that is provided with, and it is characterized in that: described slight drag water dispensing apparatus (4) comprises lower filter screen plate (8), be positioned at the dividing plate (10) that evenly is furnished with strainer head (9) on its of lower filter screen plate (8) below; And described dividing plate (10) is connected with the pool wall (1a) that forms described filter chamber (1); Described strainer head (9) has the center through hole (9a) that is communicated with the gentle hydroecium of described fiber filtering filtering layer (3) (5), and the side wall upper part of this strainer head (9) has the air admission hole (9b) that is connected with described center through hole (9a), and the lower sidewall of described strainer head (9) has the strip hole (9c) that is connected with described center through hole (9a).
2, fibrous filtering pool according to claim 1, it is characterized in that: described filter chamber (1) is separated by double-deck middle channel and is symmetrical arranged into two, this upper strata, bilayer middle channel is backwash rhone (6), lower floor is air water distributing channel (7), both sides at described air water distributing channel (7) middle part are provided with air distribution hole (7a), and the both sides of its bottom are provided with distributing hole (7b), and described air water chamber (5) all is connected with air distribution hole (7a), distributing hole (7b).
3, fibrous filtering pool according to claim 1, it is characterized in that: described retaining filtrate device (2) is spliced by polylith upward filtration web plate (2a), all be provided with intensive bar seam (2b) on every block of upward filtration web plate (2a), the gap of bar seam (2b) and the gap between every block of upward filtration web plate (2a) are not more than 2mm.
4, fibrous filtering pool according to claim 3, it is characterized in that: the following L-shaped angle steel in cross section that is fixed with all around of described upward filtration web plate (2a) supports (2c), the angle steel of adjacent two blocks of upward filtration web plates (2a) below it supports being connected to each other of (2c) and is connected as a single entity, and the upward filtration web plate (2a) adjacent with the pool wall (1a) of filter chamber (1), angle steel below it supports the L-shaped ring angle steel (1e) in (2c) bottom and a cross section and is connected, and this encircles angle steel (1e) and then is connected with built-in fitting (1d) on filter chamber (1) pool wall (1a).
5, fibrous filtering pool according to claim 1, it is characterized in that: described fiber filtering is a kind of fibre bundle of comet shape, its head has plastic pellet, and described lower filter screen plate (8) is provided with intensive bar seam (8b), and the gap of bar seam (8b) is slightly less than the diameter of this fiber filtering head plastic pellet.
6, fibrous filtering pool according to claim 5 is characterized in that: the cross section of the lower filter screen plate muscle (8c) between the bar seam (8b) of described lower filter screen plate (8) is wedge shape.
7, according to claim 1 or 5 or 6 described fibrous filtering pools, it is characterized in that: described lower filter screen plate (8) is spliced by the little sieve plate of polylith (8a), these little sieve plate (8a) both sides are provided with swallow-tail form convex tendon (8d), and both sides then are provided with and the corresponding dovetail groove of this swallow-tail form convex tendon (8d) (8e) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100497551A CN1318118C (en) | 2005-04-29 | 2005-04-29 | Fibrous filtering pool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100497551A CN1318118C (en) | 2005-04-29 | 2005-04-29 | Fibrous filtering pool |
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| CN1712096A CN1712096A (en) | 2005-12-28 |
| CN1318118C true CN1318118C (en) | 2007-05-30 |
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| CNB2005100497551A Active CN1318118C (en) | 2005-04-29 | 2005-04-29 | Fibrous filtering pool |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100431657C (en) * | 2006-04-21 | 2008-11-12 | 浙江德安新技术发展有限公司 | A filter tank |
| CN101474500B (en) * | 2008-01-02 | 2011-10-26 | 卢普伦 | Fibre filter material filtering basin |
| CN102240478B (en) * | 2010-05-14 | 2014-01-08 | 江苏双辉环境科技有限公司 | Anti-freeze type filter |
| CN103071323B (en) * | 2013-01-15 | 2015-01-07 | 东莞市科达环保工程有限公司 | Novel air-water backwashing method of filtering pond |
| CN104667625A (en) * | 2015-02-09 | 2015-06-03 | 赖卫华 | Double-chamber filter tank |
| CN112206559A (en) * | 2019-07-09 | 2021-01-12 | 西藏城发水务建设有限责任公司 | Water treatment is with water purification equipment who prevents blockking up structure that has loop filter |
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| US5779895A (en) * | 1996-02-15 | 1998-07-14 | General Filter Company | Granular media filter including media settler assembly |
| CN2320306Y (en) * | 1997-03-29 | 1999-05-26 | 杨日光 | Gravity fiber filtering ponds |
| CN1259490A (en) * | 1998-12-22 | 2000-07-12 | 住友重机械工业株式会社 | Biological filtering water treatment equipment |
| CN2401251Y (en) * | 1999-10-20 | 2000-10-18 | 刘澄清 | Fiber filter pool |
| CN2585851Y (en) * | 2002-12-18 | 2003-11-12 | 黄立鑫 | High efficiency filter |
| CN1586700A (en) * | 2004-08-12 | 2005-03-02 | 浙江德安新技术发展有限公司 | On-line back flushing sand filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1712096A (en) | 2005-12-28 |
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