CN220968214U - Fiber filter - Google Patents
Fiber filter Download PDFInfo
- Publication number
- CN220968214U CN220968214U CN202322639792.4U CN202322639792U CN220968214U CN 220968214 U CN220968214 U CN 220968214U CN 202322639792 U CN202322639792 U CN 202322639792U CN 220968214 U CN220968214 U CN 220968214U
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- CN
- China
- Prior art keywords
- fiber
- filter
- units
- water
- plate
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Links
- 239000000835 fiber Substances 0.000 title claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 10
- -1 polypropylene Polymers 0.000 claims abstract description 10
- 229920001155 polypropylene Polymers 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 8
- 238000011001 backwashing Methods 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract 2
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Filtering Materials (AREA)
Abstract
The utility model relates to a fiber filter, which comprises a filter main body, wherein a porous plate and a fiber filter material are arranged in the filter main body, the fiber filter material consists of a fiber A group and a fiber B group, the fiber A group is provided with a plurality of fiber A units, the fiber B group is provided with a plurality of fiber B units, the fiber A units are formed by accumulating a plurality of polypropylene fiber yarns in the middle and connecting a balancing weight A, the fiber B units are formed by accumulating a plurality of polyester fiber yarns at one end and connecting a balancing weight B, the density of accumulation of the fiber A units after balancing weight is 1.0-1.1 mg/cm 3, the density of accumulation of the fiber B units after balancing weight is 1.2mg/cm 3, the upper surface of the porous plate is provided with a filter plate, the filter plate is in pressure connection with the porous plate, and the upper surface of the filter plate is provided with graded sand grains. The filter has strong dirt interception capability, can improve the running flow rate of equipment, reduce the water consumption of backwashing and improve the water yield and the water quality.
Description
Technical Field
The present utility model relates to a fibrous filter.
Background
In the existing fiber filter, the filter material is in the form of fiber balls or fiber bundles made of polypropylene yarns or polyester yarns, and the polypropylene yarns are used as the filter material, so that the density of the polypropylene yarns is 0.91mg/cm 3, and when the filter bed is formed by filtering, the polypropylene yarns float in water due to the fact that the density of the polypropylene yarns is less than that of water, the polypropylene yarns are not compact, and suspended matters in raw water cannot be effectively trapped. When the density of the polyester yarns is 1.38mg/cm 3 and the filter bed is formed by filtering, although the density can be compacted, suspended matters in raw water can be effectively trapped, when the back washing is carried out, the formed filter bed can loosen and suspend impurities attached to a filter material due to the fact that the density of the polyester yarns is larger than that of the water, a large amount of water and impulsive force are needed for loosening the polyester yarns, and therefore the water is wasted or trapped partial suspended matters cannot be removed in the back washing process.
Disclosure of Invention
The utility model aims to provide a fiber filter which has strong dirt interception capability, can improve the running flow rate of equipment, reduce the backwashing water consumption and improve the water yield and the water quality.
The technical scheme of the utility model is as follows: the utility model provides a fiber filter, includes the filter main part, and filter main part upper portion is equipped with water inlet, drain, and filter main part lower part is equipped with the delivery port, is equipped with the perforated plate in the filter main part, and the perforated plate is established in delivery port top and is connected with filter main part inner wall, is equipped with the fiber filter material in the filter main part, its characterized in that: the fiber filter material consists of a fiber A group and a fiber B group, wherein the fiber A group is provided with a plurality of fiber A units, the fiber B group is provided with a plurality of fiber B units, the fiber A units are formed by accumulating a plurality of polypropylene fiber filaments in the middle and connecting a balancing weight A, the fiber B units are formed by accumulating a plurality of polyester fiber filaments at one end and connecting a balancing weight B, the stacking density of the fiber A units after balancing weight is 1.0-1.1 mg/cm 3, and the stacking density of the fiber B units after balancing weight is 1.2mg/cm 3.
The upper surface of the porous plate is provided with a filter plate, and the filter plate is in pressure connection with the porous plate.
The upper surface of the filter plate is provided with graded sand grains.
The utility model has the advantages that when the equipment filters, the balancing weights A, B and the fiber yarns can be orderly piled up to form the filter layer, the filter layer is easy to be pressed by water and the filter bed is compact, on the other hand, gaps are reserved between the balancing weights and between the fibers, and the gaps improve the containing capacity of dirt, so the filter has strong dirt interception capacity and good dirt interception effect; during back flushing, the fiber of the counter weight floats in water fast in different layers according to the density, so that the fiber filtering material is loosened and stretched to separate suspended matters adhered between the fiber wires and the suspended matters are discharged out of the tank together with the back flushing water. The fiber filter in the prior art is used, the raw water quality is less than or equal to 30mg/L, the treated water quality is less than or equal to 2mg/L, the running flow rate of the equipment is 20-30 m/h, the water is prepared for 8 hours, the backwashing is carried out for 30 minutes, and the water consumption rate is 6.25%. By adopting the filter provided by the utility model, the raw water quality is less than or equal to 30mg/L, the treated water quality is less than or equal to 2mg/L, the running flow rate of equipment is 40-60 m/h, water is prepared for 12 hours, backwashing is carried out for 10 minutes, and the water consumption rate is 1.39%. Compared with the existing filter, under the same water treatment condition, the running flow rate of the device is improved by 1 time, the water preparation time is prolonged by 4 hours, and the backwashing time is shortened by 20 minutes. Therefore, the technology improves the running flow rate of the equipment, reduces the water consumption of backwashing and improves the water yield and the water quality.
The filter plate is added on the porous plate, so that the fiber yarn can be prevented from blocking the water outlet of the porous plate along with water flow, and the equipment output is prevented from being influenced. The filter plate is provided with graded sand grains, so that the filter plate can be prevented from being blocked by fiber wires along with water flow, suspended matters can be smoothly removed by backwashing of the equipment, and the backwashing water consumption is saved.
Drawings
Fig. 1 is a schematic view of a fibrous filter according to the present utility model.
Fig. 2 is a schematic diagram of the fiber filter material in a stretched state during back flushing of the present filter.
Fig. 3 is an enlarged state schematic diagram of the fiber a unit.
Fig. 4 is an enlarged state schematic diagram of the fiber B cell.
In the figure: 1 water outlet, 2 overhaul holes, 3 porous plates, 4 filter plates, 5-grade sand grains, 6 balancing weights B,7 fiber B units, 8 balancing weights A,9 fiber A units, 10 overhaul holes, 11 water inlets, 12 sewage outlets and 13 filter bodies.
Detailed Description
Example 1
The fiber filter is a device which has high efficiency for removing dirt, reducing backwash water consumption, improving flow rate and ensuring water yield and water quality. The technical scheme of the utility model comprises a filter main body 13, wherein the upper part of the filter main body is provided with a water inlet 11 and a sewage outlet 12, the lower part of the filter main body is provided with a water outlet 1, a porous plate 3 is arranged in the filter main body, the porous plate is arranged above the water outlet and is connected with the inner wall of the filter main body, and a fiber filter material is arranged in the filter main body, and the filter main body is characterized in that: the fiber filter material consists of a fiber A group and a fiber B group, wherein the fiber A group is provided with a plurality of fiber A units 9, the fiber B group is provided with a plurality of fiber B units 7, the fiber A units 9 are formed by accumulating a plurality of polypropylene fiber yarns in the middle and connecting a balancing weight A8, the fiber B units 7 are formed by accumulating a plurality of polyester fiber yarns at one end and connecting a balancing weight B6, the stacking density of the fiber A units after balancing weight is 1.0-1.1 mg/cm 3, and the stacking density of the fiber B units after balancing weight is 1.2mg/cm 3.
When the device filters, raw water enters the filter main body from the water inlet on the filter, and the weighted fiber filter materials can be stacked on graded sand grains according to the weight density under the action of water flow and gravity, and the density of the weighted fiber filter materials is greater than or equal to that of the water, so that the fiber filter materials are easily compacted by the water flow, a fiber A unit is above a fiber B unit, a filter layer is formed by sequential rapid stacking, gaps are reserved between a balancing weight A, B and the fiber filaments of the filter materials, the dirt holding capacity is improved, suspended matters in the raw water are trapped in the filter layer of the fiber filter materials, and the filter has strong dirt intercepting capacity; during back flushing, water enters the filter main body from the water outlet below, and the water flows reversely impact the fiber filter material, because the fiber filaments with high density are dispersed at the lowest layer of the filter main body, the fiber filaments with low density are dispersed at the middle upper layer, and the fiber filaments which are layered and floated in the water according to the weight density can be quickly and fully loosened and stretched, so that suspended matters attached to and between the fiber filaments are easily separated by flushing and discharged out of the tank body along with the back flushing water.
When the filter main body is made into the filter with the diameter less than or equal to 1200mm, a plurality of devices can be skid-mounted, for example, the water inlets of a plurality of filter main bodies are connected with a water inlet main pipe, the water outlets 1 of the filter main bodies are connected with a water outlet main pipe, the multi-stage filter main body is suitable for small-diameter devices, the pressure of the water inlet is utilized to loosen the filter layers during backwashing, and the number of the filter main bodies connected in parallel is set according to the water quantity requirement.
Example 2
On the basis of the embodiment 1, the embodiment also has a filter plate 4, wherein the filter plate 4 is arranged on the upper surface of the porous plate, and the filter plate is in pressure connection with the porous plate. The upper surface of the filter plate is provided with graded sand grains 5. The filter plate is additionally arranged on the porous plate, so that the fiber yarn can be prevented from blocking the water outlet of the porous plate along with water flow, and the output of equipment is prevented from being influenced. The filter plate is provided with graded sand grains which can prevent fiber wires from blocking the filter plate along with water flow. The working procedure of this example was the same as in example 1.
Claims (3)
1. The utility model provides a fiber filter, includes filter main part (13), and filter main part upper portion is equipped with water inlet (11), drain (12), and filter main part lower part is equipped with delivery port (1), is equipped with perforated plate (3) in the filter main part, and the perforated plate is established in delivery port top and filter main part inner wall connection, and filter main part is equipped with the fiber filter material, its characterized in that: the fiber filter material consists of a fiber A group and a fiber B group, wherein the fiber A group is provided with a plurality of fiber A units (9), the fiber B group is provided with a plurality of fiber B units (7), the fiber A units (9) are formed by accumulating a plurality of polypropylene fiber filaments in the middle and connecting a balancing weight A (8), the fiber B units (7) are formed by accumulating a plurality of polyester fiber filaments at one end and connecting a balancing weight B (6), the stacking density of the fiber A units after balancing is 1.0-1.1 mg/cm 3, and the stacking density of the fiber B units after balancing is 1.2mg/cm 3.
2. A fibrous filter according to claim 1, wherein: the upper surface of the porous plate (3) is provided with a filter plate (4), and the filter plate is in pressure connection with the porous plate.
3. A fibrous filter according to claim 2, wherein: the upper surface of the filter plate is provided with graded sand grains (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639792.4U CN220968214U (en) | 2023-09-27 | 2023-09-27 | Fiber filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639792.4U CN220968214U (en) | 2023-09-27 | 2023-09-27 | Fiber filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220968214U true CN220968214U (en) | 2024-05-17 |
Family
ID=91037022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322639792.4U Active CN220968214U (en) | 2023-09-27 | 2023-09-27 | Fiber filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220968214U (en) |
-
2023
- 2023-09-27 CN CN202322639792.4U patent/CN220968214U/en active Active
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