CN220159313U - Filter device of centrifugal back flushing filter material - Google Patents
Filter device of centrifugal back flushing filter material Download PDFInfo
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- CN220159313U CN220159313U CN202321559961.7U CN202321559961U CN220159313U CN 220159313 U CN220159313 U CN 220159313U CN 202321559961 U CN202321559961 U CN 202321559961U CN 220159313 U CN220159313 U CN 220159313U
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- filter material
- filter
- suspended basket
- centrifugal
- fiber ball
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- 239000000463 material Substances 0.000 title claims abstract description 113
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a filtering device of centrifugal back flushing filtering materials, which comprises a filtering tank outer cylinder, wherein the upper end of the filtering tank outer cylinder is provided with an opening, and the bottom of the filtering tank outer cylinder is provided with an outlet; a suspended basket is arranged in the outer cylinder of the filter tank, and holes are formed in the bottom or the side wall surface of the basket; a detachable filter material fixing disc is arranged in the suspended basket, a plurality of fiber ball filter materials are fixed below the filter material fixing disc, and the space surrounded by the filter material fixing disc and the suspended basket is filled with the fiber ball filter materials; the inner side of the upper part of the suspended basket is provided with a first spoke rod, a bearing seat is arranged in the middle of an opening at the upper end of the outer barrel of the filter tank, a driving shaft is arranged in the bearing seat, the lower end of the driving shaft is connected with the first spoke rod of the suspended basket, and the upper end of the driving shaft is connected with a motor positioned in the outer barrel of the filter tank. The utility model can realize the back flushing of the filter material by gas or water, and the sludge on the fiber ball filter material is thrown to the outside of the basket under the back flushing and centrifugal action by the centrifugal rotation of the suspended basket, so that the water quality of the subsequent water outlet and the service life of the filter material are effectively ensured.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a filter device of a centrifugal back flushing filter material.
Background
After the domestic sewage is subjected to the front-end biological contact oxidation treatment, the domestic sewage automatically flows into a filtering device through a water outlet of a sedimentation tank, so that suspended matters are further removed, and COD is reduced. In some rural areas where biological sewage is scattered, mobile or integrated water treatment systems are economical water treatment facilities. The filter tank is used as a necessary module of water treatment equipment, and the quality of the discharged water is required to be ensured. The fiber ball filter material has the characteristics of light weight, high strength, stable physical and chemical properties and durability, has fiber filaments which drift along with water, enables gaps among fillers to be variable, is not easy to be blocked by biological membranes, and has large specific surface area, strong activity and good treatment effect. However, the fiber ball filter material has the defects that the fiber ball filter material has good biological film affinity, and after the fiber ball filter material is used for a period of time, sludge is deposited on the filter material in a sheet form, so that fiber filaments are wound, and the fiber ball filter material is difficult to wash to be clean through traditional water or air back flushing, so that the quality of the subsequent effluent water is greatly affected.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned shortcomings and disadvantages of the prior art, the utility model provides a filter device of centrifugal back flushing filter materials, which is a small filter on a mobile or integrated water treatment system, and can realize that a basket provided with fiber ball filter materials is centrifugally rotated while air or back flushing is used, so that sludge on the fiber ball filter materials is thrown outside the basket under back flushing action force and centrifugal action force, the fiber ball filter materials are flushed completely, and the water quality of the subsequent effluent is effectively ensured.
(II) technical scheme
The technical scheme of the utility model is as follows:
a filter device for centrifugal backwash filter material, comprising:
the upper end of the filter tank outer cylinder is provided with an opening, the bottom of the filter tank outer cylinder is a conical bottom, and the bottom of the filter tank outer cylinder is provided with an outlet for discharging filtered water or sludge;
the bottom or the side wall surface of the suspended basket is provided with holes; a detachable filter material fixing disc is arranged in the suspended basket; a plurality of fiber ball filter materials are fixed below the filter material fixing disc, and each fiber ball filter material comprises a center rod and a plurality of fiber balls connected on the center rod in series; the upper end of the central rod of the fiber ball filter material is fixed on the lower surface of the filter material fixing disc, and the space surrounded by the filter material fixing disc and the suspended basket is filled with the fiber ball filter material;
the inner side of the upper part of the suspended basket is provided with more than 2 first spoke rods, and the intersection of the first spoke rods forms a shaft connection part; the inner side of the upper end opening of the outer filter cylinder is provided with more than 2 second spoke rods, and a bearing seat is formed at the junction of the second spoke rods; the bearing seat is provided with a driving shaft, the lower end of the driving shaft is connected with a shaft joint part, and the upper end of the driving shaft is connected with a motor arranged outside the outer cylinder of the filter tank.
According to the preferred embodiment of the utility model, the filter material fixing disc is provided with a plurality of hole sites for installing and fixing the fiber ball filter material, and the fiber ball filter material is detachably inserted or screwed into the hole sites of the filter material fixing disc by the upper end of the central rod.
According to the preferred embodiment of the utility model, the filter material fixing disc is of a hollowed-out plate structure.
According to the preferred embodiment of the utility model, the side wall surface of the section of the suspended basket, which is higher than the filter material fixing disc, is not provided with holes (the water is accumulated to form a certain water pressure), so that the water passes through the fiber ball filter material filled under the suspended basket under the action of gravity. In the filtering process, the raw water can be pressurized and filtered by the pressurizing equipment.
According to a preferred embodiment of the utility model, the holes in the side wall of the suspended basket are provided with blocking parts which extend outwards from the upper side edges of the holes and bend downwards beyond the lower side edges of the holes, and the tail ends of the blocking parts are spaced from the outer side wall of the suspended basket. The structure can enable the sludge on the fiber ball filter material to be thrown out of the suspended basket from the holes when the suspended basket centrifugally rotates, but the sludge thrown out of the suspended basket is not easy to return to the suspended basket from the holes under the impact effect.
According to the preferred embodiment of the utility model, the inner wall surface of the outer cylinder of the filter tank is provided with the rubber raised strips in the vertical direction, so as to achieve the effects of collecting sludge and guiding the sludge to slide downwards to the outlet at the bottom under the action of gravity.
According to the preferred embodiment of the utility model, the edge of the hole on the bottom surface of the suspended basket is provided with an outward expansion part which extends downwards in a horn shape. When the outer expansion part is favorable for backflushing by adopting gas or water, the air flow and the water flow can smoothly enter the suspended basket to flush the fiber ball filter material.
According to the preferred embodiment of the utility model, the grid plate is arranged at the upper part of the suspended basket, and is positioned below the first spoke rod or above the first spoke rod, and is detachably arranged in the suspended basket.
According to the preferred embodiment of the utility model, the bottom of the outer cylinder of the filter tank is connected with a high-pressure water back flushing valve and a high-pressure air back flushing valve.
According to the preferred embodiment of the utility model, the radius of the outer cylinder of the filter tank is 0.3-0.5m, and the height of the outer cylinder is 1.8-2.1mm, and the outer cylinder is made of carbon steel material or glass fiber reinforced plastic material. The filling height of the fiber ball filter material is 0.95-1.425m, namely the filter material fixing disc is fixed at the position of 1/2 of the outer cylinder of the ultra-filtration pond. The back flushing period is 8-24 h, and 15-20min of back flushing is carried out each time.
(III) beneficial effects
The centrifugal type filtering device for back flushing the filter material can effectively flush the fiber ball filter material with high cleanliness, ensures the quality of effluent water after flushing, has longer service life, smaller size and good quality of effluent water, and is very suitable for being combined into mobile or integrated domestic sewage treatment equipment.
Drawings
Fig. 1 is a schematic structural view of a filtering device for centrifugal backwash filter materials of the present utility model.
Fig. 2 is a schematic diagram of the structure of the holes of the side wall surface of the basket with the fiber ball filter material.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
As shown in figure 1, the centrifugal back flushing filter material filtering device is a small-sized domestic sewage filtering device and can be combined into mobile or integrated domestic sewage treatment equipment for use. As shown in fig. 1, the filter device comprises a filter outer cylinder 1, a suspension basket 2 and a motor 3. The upper end of the outer cylinder 1 of the filter tank is provided with an opening, the bottom is a conical bottom, and the bottom is provided with an outlet 11 for discharging filtered water or sludge. The radius of the outer cylinder 1 of the filter tank is 0.3-0.5m, and the height is 1.8-2.1mm, and the outer cylinder is made of carbon steel material or glass fiber reinforced plastic material.
The bottom or the side wall surface of the suspended basket 2 is provided with holes. A detachable filter material fixing disc 21 is arranged in the suspended basket 2; a plurality of fiber ball filter materials 22 are fixed below the filter material fixing disc 21, and each fiber ball filter material 22 comprises a center rod and a plurality of fiber balls connected on the center rod in series. The fiber ball filter 22 is fixed to the lower surface of the filter fixing plate 21 with the upper end of the center rod. The fiber ball filter material 22 fills the space surrounded by the filter material fixing disc 21 and the bottom and the side of the suspended basket 2. As illustrated in fig. 1, but in practice the arrangement density of the fibrous ball filter material 22 is high during use, avoiding blank areas. The filling height of the fiber ball filter material is 0.95-1.425m, namely the filter material fixing disc 21 is fixed at the position of 1/2 height of the outer cylinder 1 of the ultra-filtration tank.
The inner side of the upper part of the suspended basket 2 is provided with 2 to 3 first spoke rods 23, the first spoke rods 23 extend to the inner side wall surface of the suspended basket 2 from the central shaft of the suspended basket 2, the first spoke rods 23 are intersected at the central shaft of the suspended basket 2, and the intersection forms a shaft joint part 24. 2-3 second spoke rods 12 are arranged on the inner side of the opening at the upper end of the filter outer cylinder 1, the second spoke rods 12 extend to the inner side wall surface of the filter outer cylinder 1 from the central shaft of the filter outer cylinder 1, and the second spoke rods 12 are intersected at the central shaft of the filter outer cylinder 1, and a bearing seat 13 is formed at the intersection. The bearing housing 13 is coaxial with the shaft portion 24. The bearing seat 13 is internally provided with a driving shaft 14, the lower end of the driving shaft 14 is fixedly connected with a shaft joint part 24, and the upper end of the driving shaft 14 is connected with a motor 3 arranged outside the outer cylinder 1 of the filter tank through a transmission track.
The filter material fixing plate 21 is provided with a plurality of hole sites for installing and fixing the fiber ball filter material 22, and the fiber ball filter material 22 is detachably inserted or screwed in the hole sites of the filter material fixing plate 21 by the upper end of the central rod. The filter material fixing plate 21 is of a hollowed-out plate structure and has the function of a grid mesh. The filter material fixing disc 2 can be installed inside the suspended basket 2 and also can be detached. When the filter material fixing disc 2 is disassembled, the filter material fixing disc 2 can integrally take out all the fiber ball filter materials 22, and the fiber ball filter materials 22 are replaced by new fiber ball filter materials 22 after the fiber ball filter materials 22 are removed. When the filter material fixing plate 2 is installed inside the suspended basket 2, the filter material fixing plate is locked with the suspended basket 2 in the rotation direction and can rotate synchronously.
The suspended basket 2 comprises an upper section and a lower section, wherein the section of the suspended basket, which is higher than the filter material fixing disc 21, is the upper section, the section, which is correspondingly filled with the fiber ball filter material 22, is the lower section, the side wall surface of the lower section is provided with dense hemp holes, and the side wall surface of the upper section is not provided with holes, so that sewage can be accumulated to form a certain water pressure, and the sewage can pass through the fiber ball filter material 22 filled below the sewage under the action of gravity. In addition, the raw sewage can be pressurized and filtered by the aid of the pressurizing equipment in the filtering process, so that the filtering efficiency is improved. The inner wall surface of the outer cylinder 1 of the filter tank is provided with a vertical rubber raised strip 15 which is used for collecting sludge and guiding the sludge to slide downwards to the outlet 11 at the bottom for discharging under the action of gravity. The bottom of the outer filter cylinder 1 is connected with a high-pressure water back flush valve 101 and a high-pressure air back flush valve 102.
The filter material fixing plate 21 has a grid mesh function, can filter out large solid impurities, and can be additionally provided with a grid plate 4. The grid plates 4 are detachably fixed below or above the first spoke rods 23, and the grid plates 4 are detachably mounted in the suspended basket 2.
As shown in fig. 2, an enlarged view of the holes in the side wall of the suspended basket 2 is shown. The outside of the hole 26 is provided with a blocking part 261, the blocking part 261 extends outwards from the upper side edge of the hole and bends downwards beyond or is flush with the lower side edge of the hole 26, and the tail end of the blocking part 261 is spaced from the outer side wall of the suspended basket 2 by a distance of about 1 cm. The suspended basket 2 is made of stainless steel, and the holes 26 are formed by stamping. The special hole 26 and the blocking part 261 make the sludge on the fiber ball filter material 22 be thrown out from the hole 26 to the outside of the hanging basket 2 when the hanging basket 2 centrifugally rotates, but the sludge thrown out of the inverted hanging basket 2 is not easy to return to the inside of the hanging basket 2 from the hole 26 under the impact action, so as to ensure the cleaning degree of the fiber ball filter material 22. In addition, as shown in fig. 1, the hole edge on the bottom surface of the suspended basket 2 is provided with an external expansion part, and the external expansion part extends downwards in a horn shape, so that when gas or water backflushing is adopted, air flow and water flow can smoothly enter the suspended basket 2 to flush the fiber ball filter material 22.
The filtering device of the centrifugal back flushing filter material of the utility model works in that the motor 3 does not work when the fiber ball filter material 22 is used for normal sewage filtration. But after a predetermined period of effluent quality or filtration operation, the fiber ball filter material 22 needs to be backwashed. The back flushing comprises the step of supplying high-pressure water or air from the bottom of the suspended basket 2 by using the high-pressure water or air to flush the fiber ball filter material 22 in the suspended basket 2, and simultaneously, the motor 3 works, the suspended basket 2 is driven to rotate by the motor 3, thereby combining the back flushing and centrifugal throwing force to throw the sludge dipped and hung by the fiber ball filter material 22 out of the suspended basket 2, and the sludge is thrown onto the inner wall surface of the filter outer cylinder 1 and flows to the outlet 11 at the bottom of the filter outer cylinder 1 along the rubber raised strips 15 to be discharged.
After the centrifugal back flushing filter material filtering device is put into use, the fiber ball filter material 22 can be effectively washed with high cleanliness, the water quality of the discharged water is guaranteed, the fiber ball filter material has longer service life, smaller size and good water quality, and the centrifugal back flushing filter material filtering device is very suitable for being combined into mobile or integrated domestic sewage treatment equipment. In the use process, the back flushing period is set to be 8-24 h, and 15-20min of back flushing is carried out each time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A filter device for centrifugal backwash filter material, comprising:
the upper end of the filter tank outer cylinder is provided with an opening, the bottom of the filter tank outer cylinder is a conical bottom, and the bottom of the filter tank outer cylinder is provided with an outlet for discharging filtered water or sludge;
the bottom or the side wall surface of the suspended basket is provided with holes; a detachable filter material fixing disc is arranged in the suspended basket; a plurality of fiber ball filter materials are fixed below the filter material fixing disc, and each fiber ball filter material comprises a center rod and a plurality of fiber balls connected on the center rod in series; the upper end of the central rod of the fiber ball filter material is fixed on the lower surface of the filter material fixing disc, and the space surrounded by the filter material fixing disc and the suspended basket is filled with the fiber ball filter material;
the inner side of the upper part of the suspended basket is provided with more than 2 first spoke rods, and the intersection of the first spoke rods forms a shaft connection part; the inner side of the upper end opening of the outer filter cylinder is provided with more than 2 second spoke rods, and a bearing seat is formed at the junction of the second spoke rods; the bearing seat is provided with a driving shaft, the lower end of the driving shaft is connected with a shaft joint part, and the upper end of the driving shaft is connected with a motor arranged outside the outer cylinder of the filter tank.
2. The centrifugal back flushing filter device according to claim 1, wherein the filter material fixing disc is provided with a plurality of hole sites for installing and fixing the fiber ball filter material, and the fiber ball filter material is detachably inserted or screwed into the hole sites of the filter material fixing disc by the upper end of the central rod.
3. The centrifugal backwash filter material filtering device according to claim 1 or 2, wherein the filter material fixing disc is a hollowed-out plate structure.
4. The centrifugal backwash filter material filtering device according to claim 1, wherein the side wall surface of the section of the suspended basket above the filter material fixing plate is not provided with holes.
5. The centrifugal backwash filter material filtering device according to claim 1, wherein the holes in the side wall surface of the suspended basket are provided with blocking parts extending outwards from the upper side edges of the holes and bending downwards beyond the lower side edges of the holes, and the tail ends of the blocking parts are spaced from the outer side wall of the suspended basket.
6. The centrifugal backwash filter material filtering device according to claim 1, wherein the inner wall surface of the outer cylinder of the filter tank is provided with a vertical rubber raised strip for collecting sludge and guiding the sludge to slide downwards under the action of gravity.
7. The centrifugal back flushing filter material filtering device according to claim 1, wherein the hole edge on the bottom surface of the suspended basket is provided with an external expansion part, the external expansion part extends downwards in a horn shape, and when gas or water back flushing is adopted, air flow and water flow can smoothly enter the suspended basket to flush the fiber ball filter material.
8. The centrifugal backwash filter material filtering device according to claim 1, wherein a grid plate is arranged at the upper part of the suspended basket, the grid plate is positioned below the first spoke rod or above the first spoke rod, and the grid plate is detachably arranged in the suspended basket.
9. The centrifugal back flushing filter material filtering device according to claim 1, wherein the bottom of the outer cylinder of the filter tank is connected with a high-pressure water back flushing valve and a high-pressure air back flushing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559961.7U CN220159313U (en) | 2023-06-19 | 2023-06-19 | Filter device of centrifugal back flushing filter material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559961.7U CN220159313U (en) | 2023-06-19 | 2023-06-19 | Filter device of centrifugal back flushing filter material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220159313U true CN220159313U (en) | 2023-12-12 |
Family
ID=89063099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321559961.7U Active CN220159313U (en) | 2023-06-19 | 2023-06-19 | Filter device of centrifugal back flushing filter material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220159313U (en) |
-
2023
- 2023-06-19 CN CN202321559961.7U patent/CN220159313U/en active Active
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