CN112546685A - High-efficiency filter material and suspension filter system using same - Google Patents
High-efficiency filter material and suspension filter system using same Download PDFInfo
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- CN112546685A CN112546685A CN202011242277.7A CN202011242277A CN112546685A CN 112546685 A CN112546685 A CN 112546685A CN 202011242277 A CN202011242277 A CN 202011242277A CN 112546685 A CN112546685 A CN 112546685A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
Abstract
The invention relates to a high-efficiency filter material and a suspension filter system using the same, wherein the high-efficiency filter material is a spherical filter material, and the spherical filter material comprises: the sealing floating ball is of a hollow structure; and the filtering fiber layer is coated on the outer surface of the sealing floating ball and is used for filtering water. In the high-efficiency filter material provided by the invention, the sealing floating ball is arranged in the filter fiber layer, and the high-efficiency filter material can float conveniently by utilizing the buoyancy provided by the sealing floating ball, so that the suspension type filtration is ensured. Moreover, the floating ball is arranged in the filter material tank, and the outer layer of the floating ball is covered with the filter fiber layer, so that the floating ball can not influence the arrangement of the filter material under the condition of ensuring suspension, and the filter effect is conveniently and effectively ensured.
Description
Technical Field
The invention belongs to the technical field of water filtration treatment, and particularly relates to a high-efficiency filter material and a suspension filtration system using the same.
Background
In the conventional water filtration process, water needing to be filtered enters the filter tank from the top of the filter tank, flows out from the bottom of the filter tank after being filtered, and achieves forward filtration. There are a number of problems with conventional forward filtering: thicker filter materials need to be laid, a large amount of water sources and electric power need to be consumed during backwashing, and waste is serious.
In order to solve the above problems, there is also a reverse filtration method in the prior art, for example, in the suspension filtration system disclosed in the chinese patent application with application publication No. CN111729357A, the reverse filtration is realized by using a method of water inlet at the bottom of the tank and water discharge at the top, a filter plate is disposed in the tank, lower water distribution plates are disposed below the filter plate at intervals, a suspension filter material is disposed in a filtration zone between the filter plate and the lower water distribution plates, and the suspension filter material is polystyrene in the form of white beads. During the use, supply pipeline supplies water to the bottom of the pool, gets into the filtering area after the lower water distribution board evenly distributes the water, and the water level of filtering area steadily rises, and the suspension filter material constantly piles up in the filter below and compaction together under the buoyancy, and the water is at the in-process through the suspension filter material, and the suspended particles is by the suspension filter material throttle and get off, realize filtering. The rising clean water is discharged from an overflow weir at the top of the tank. When the filter material is backwashed, the suspended filter material is directly backwashed by clear water at the upper part. Above-mentioned suspension filtration system can solve a great deal of problems that exist in the forward filtration, but the polystyrene bead filter material that uses adds well to the filter effect of coarse grain silt, and is not good to the removal effect of fine particle silt, even through particle diameter, the increase filter bed thickness that reduces polystyrene bead filter material, the promotion to fine particle silt filter effect is also not obvious, leads to the water turbidity higher.
In order to improve the filtering effect, in the prior art, a fiber ball is adopted for filtering, the fiber ball can be formed by combining various fibers and can also be formed by bundling metal wires, but the common fiber ball is heavier than water and cannot be directly applied to a suspension filtering system. The Chinese patent application with the application publication number of CN107892338A discloses a suspended filter ball, which adopts a suspension plate mode to provide buoyancy, two hemispheres are buckled to form a filter ball body, a filter core is arranged in the filter ball body, the filter core comprises a sponge filter core and fiber yarns wound outside the filter core, and the fiber yarns can adopt modified fiber yarns and natural cellulose. Although the filter material suspension can be realized in the mode, the filter ball body and the suspension plate occupy larger space, the suspension filter material arrangement is influenced, and the filter effect is further influenced.
Disclosure of Invention
The invention aims to provide an efficient filter material, and the efficient filter material is used for solving the technical problem that the arrangement density is influenced because the suspension plate occupies a large space on the outer side because the suspension plate provides a suspension force for the filter material in the prior art. Meanwhile, the invention also provides a suspension filtration system using the high-efficiency filter material.
In order to achieve the purpose, the technical scheme of the high-efficiency filter material provided by the invention is as follows: the high-efficient filter material is spherical filter material, and this spherical filter material includes:
the sealing floating ball is of a hollow structure;
and the filtering fiber layer is coated on the outer surface of the sealing floating ball and is used for filtering water.
The beneficial effects are that: in the high-efficiency filter material provided by the invention, the sealing floating ball is arranged in the filter fiber layer, and the high-efficiency filter material can float conveniently by utilizing the buoyancy provided by the sealing floating ball, so that the suspension type filtration is ensured. Moreover, the floating ball is arranged in the filter material tank, and the outer layer of the floating ball is covered with the filter fiber layer, so that the floating ball can not influence the arrangement of the filter material under the condition of ensuring suspension, and the filter effect is conveniently and effectively ensured.
As a further improvement, the filter fiber layer is formed by combining a plurality of fiber bundles.
As a further improvement, the fiber bundles are fixed on the surface of the sealing floating ball in an adhesive mode.
As a further improvement, an adhesive layer is wrapped on the outer surface of the sealing floating ball, and the fiber bundles are adhered and thickly planted on the surface of the sealing floating ball.
As a further improvement, the length of each fiber bundle is 15-20 mm, and the bundle diameter of each fiber bundle is 20-50 μm.
As a further improvement, the particle size of the spherical filter material is 60-70 mm, and the thickness of the filter fiber layer is 15-20 mm.
As a further improvement, the sealing floating ball is a polypropylene floating ball or a polypropylene floating ball.
As a further improvement, the diameter of the polypropylene floating ball or the polypropylene floating ball is 50 mm, and the thickness of the sealing floating ball is 1 mm.
The technical scheme of the suspension filtering system provided by the invention is as follows:
a suspension filtration system comprising:
the bottom of the filter tank is connected with a water inlet pipe, and the top of the filter tank is provided with an overflow weir;
the upper filter plate and the lower water distribution plate are fixedly arranged in the filter tank, and a filter area is formed between the upper filter plate and the lower water distribution plate;
a suspended filter material disposed within the filtration zone to form a suspended filter material layer;
the suspension filter material is high-efficient filter material, and high-efficient filter material is spherical filter material, and this spherical filter material includes:
the sealing floating ball is of a hollow structure;
and the filtering fiber layer is coated on the outer surface of the sealing floating ball and is used for filtering water.
The beneficial effects are that: in the suspension filtering system provided by the invention, the suspension filtering material adopts a high-efficiency filtering material, the sealing floating ball is arranged in the filtering fiber layer, and the high-efficiency filtering material can conveniently float by utilizing the buoyancy provided by the sealing floating ball, so that the suspension filtering is ensured to be realized. Moreover, the floating ball is arranged in the filter material tank, and the outer layer of the floating ball is covered with the filter fiber layer, so that the floating ball can not influence the arrangement of the filter material under the condition of ensuring suspension, and the filter effect is conveniently and effectively ensured.
As a further improvement, the filter fiber layer is formed by combining a plurality of fiber bundles.
As a further improvement, the fiber bundles are fixed on the surface of the sealing floating ball in an adhesive mode.
As a further improvement, an adhesive layer is wrapped on the outer surface of the sealing floating ball, and the fiber bundles are adhered and thickly planted on the surface of the sealing floating ball.
As a further improvement, the length of each fiber bundle is 15-20 mm, and the bundle diameter of each fiber bundle is 20-50 μm.
As a further improvement, the particle size of the spherical filter material is 60-70 mm, and the thickness of the filter fiber layer is 15-20 mm.
As a further improvement, the sealing floating ball is a polypropylene floating ball or a polypropylene floating ball.
As a further improvement, the diameter of the polypropylene floating ball or the polypropylene floating ball is 50 mm, and the thickness of the sealing floating ball is 1 mm.
As a further improvement, the thickness of the suspended filter material layer is 0.6 m.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency filter material provided by the present invention;
fig. 2 is a schematic structural diagram of a suspension filtration system provided by the present invention.
Description of reference numerals:
in fig. 1: 1-sealing floating ball and 2-filtering fiber layer.
In fig. 2: 3-water outlet channel, 4-overflow weir, 5-water outlet pipe, 6-filter tank, 7-water inlet pipe, 8-water distribution area, 9-lower water distribution plate, 10-upper filter plate, 11-suspended filter material layer and 12-flushing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The specific example 1 of the high-efficiency filter material provided by the invention is as follows:
as shown in fig. 1, the high-efficiency filter material in this embodiment is a spherical filter material, the spherical filter material includes a hollow floating seal ball 2, a layer of adhesive layer is wrapped outside the floating seal ball 2, specifically, glass cement or crystal cement can be used, a plurality of fiber bundles are adhered and thick planted on the outer surface of the floating seal ball to form a filter fiber layer 1, the filter fiber layer 1 is wrapped outside the floating seal ball 2 for filtering water, the filter fiber layer 2 is formed by combining a plurality of fiber bundles, the floating seal ball 1 is a polystyrene hollow floating ball, a structure in which the polystyrene hollow floating ball is wrapped by the fiber bundles is formed, and buoyancy of the high-efficiency filter material is effectively increased.
In this embodiment, the particle size of the high-efficiency filter material is 60 to 70 mm, preferably 65 to 70 mm, and the thickness of the filter fiber layer is 15 to 20 mm, and in order to ensure the filtering effect, the length of each fiber bundle is 15 to 20 mm, the bundle diameter of each fiber bundle is 20 to 50 μm, and the specific surface area is 3000m2/m3。
In fact, the dry density of the fiber balls formed by binding all the fibers is 80-100kg/m3The wet density was 138kg/m3After the fiber layer provided by the embodiment is lined with the hollow floating ball, the wet density is 80-100kg/m3So that the spherical filter material floats on the water surface.
In this embodiment, the floating sealing ball is made of polypropylene, and in other embodiments, the floating sealing ball may be a polypropylene floating ball. In fact, whether the floating ball is made of polypropylene or polypropylene, the diameter of the floating ball is 50 mm, and the wall thickness of the floating ball is 1 mm.
When the filter is used, a plurality of high-efficiency filter materials are filled into the filtering area of the suspension filtering system shown in figure 2, and when water to be filtered rises to the filtering area from the bottom of the tank, the high-efficiency filter materials are pushed to the upper filtering plate and the lower water distribution plate to form a suspension filter material layer, so that a better filtering effect can be obtained.
When the high-efficiency filter material provided by the embodiment is produced, the outer surface of the sealing floating ball is wrapped with the viscose layer, and each fiber bundle is glued and thickly planted on the outer surface of the sealing floating ball. Of course, in other embodiments, the fiber bundle may be bundled to form a layered structure, and then the layered structure is wrapped on the outer surface of the floating seal ball, so that the layered structure and the floating seal ball can be connected in a gluing fixing manner or a bundling fixing manner without loosening or dropping.
Embodiments of the suspension filtration system provided by the present invention:
as shown in fig. 2, the suspension filtration system in this embodiment includes a filtration tank 6, an upper filtration plate 10 and a lower water distribution plate 9 are fixedly disposed in the filtration tank 6, a filtration zone is disposed between the upper filtration plate 10 and the lower water distribution plate 9, a suspension filtration material is disposed in the filtration zone, the suspension filtration material is specifically the above-mentioned high efficiency filtration material, the suspension filtration material is used to form a suspension filtration material layer 11, the thickness of the suspension filtration material layer 11 is 0.3-0.9m, preferably 0.6m, a water distribution zone 8 is disposed below the lower water distribution plate 9 in the filtration tank 6, a water inlet pipe 7 and a flushing pipe 12 are connected to the bottom of the filtration tank 6, control valves are respectively disposed on the water inlet pipe 7 and the flushing pipe 12, an overflow weir 4 is disposed at the top of the filtration tank 6, a water outlet channel 3 is disposed outside the overflow weir 4, and a water outlet.
During the use, water from inlet tube 7 at first gets into the water distribution district 8 of bottom, and through joining in marriage water board 9 water distribution to the upper strata down, the suspension filter material is lighter than water because density, under the effect is held up in the palm to the water conservancy, and hollow high-efficient filter material can be constantly piled up to the upper filter 10 of moving, because the filter head trompil size of installation is less than the diameter of used filter material on the upper filter 10, therefore the filter material can't see through the filter plate rebound, until the compaction to a certain extent. The process of water flow rising is also the process of continuously extruding the high-efficiency filter material, in the process of water flow penetrating through the suspended filter material, suspended particles carried by the water flow can be intercepted by the filter material, and the filtered water can be guided into a water storage area above an upper filter plate 10 through a filter head and then flows away after entering a water outlet channel 3 through an overflow weir 4,
moreover, water flows evenly flow around after overflowing from the water inlet pipe due to the fact that water enters the middle of the bottom, the water flows slowly rise, after resistance of the lower water distribution plate is received, stress of the water flows on the plane is more even, therefore, interference of the water flows in the horizontal direction in the rising process of the suspended filter material is small, the phenomenon of uneven thickness distribution is not prone to being generated, and better filtering water of the suspended filter material layer is facilitated.
In fact, the structure of the suspension system may also refer to the suspension filtration system disclosed in chinese patent application publication No. CN111729357A, and the filter material in the filtration area may be replaced by the filter material in the above high-efficiency filter material embodiment, and other structures of the suspension filtration system are the prior art and are not described herein again in detail.
After the suspension filtration system provided in this embodiment is used to perform a comparative test on a polystyrene bead filter material and a high-efficiency filter material, the test results can be specifically shown in table 1:
TABLE 1 model test results of filtration effect of suspension filtration system
Note: each proposal adopts the technical proposal that the total turbidity is 730mg/L, and the median particle size is 0.029 mm; the average particle size is 0.039mm, and the particle size of less than 0.05mm accounts for 71.2 percent of the raw water.
It can be seen from table 1 that when the polystyrene bead filter material is adopted, the effluent turbidity is still maintained at the order of magnitude of 200mg/L by reducing the particle size and increasing the thickness of the filter material, and when the high-efficiency filter material shown in fig. 1 is adopted, the fine silt can be effectively filtered, so that the effluent turbidity is greatly reduced, and the filtering effect is obviously improved.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. High-efficient filter material, its characterized in that, for spherical filter material, this spherical filter material includes:
the sealing floating ball (1) is of a hollow structure;
and the filtering fiber layer (2) is coated on the outer surface of the sealing floating ball (1) and is used for filtering water.
2. A high efficiency filter material according to claim 1, wherein the filter fiber layer (2) is formed by combining several fiber bundles.
3. The high efficiency filter material of claim 2, wherein the fiber tow is adhesively secured to the surface of the sealing float.
4. The high-efficiency filter material according to claim 3, wherein an adhesive layer is wrapped on the outer surface of the floating seal ball, and the fiber bundles are adhered and thickly planted on the surface of the floating seal ball.
5. The high-efficiency filter material according to claim 2, 3 or 4, wherein each fiber bundle is 15-20 mm long, and the bundle diameter of each fiber bundle is 20-50 μm.
6. The high-efficiency filter material according to claim 5, wherein the grain size of the spherical filter material is 60-70 mm, and the thickness of the filter fiber layer is 15-20 mm.
7. The high-efficiency filter material according to any one of claims 1 to 4, wherein the floating sealing ball (1) is a floating polystyrene ball or a floating polypropylene ball.
8. The high-efficiency filter material according to claim 5, wherein the diameter of the floating polypropylene ball or the floating polypropylene ball is 50 mm, and the thickness of the floating sealing ball is 1 mm.
9. A suspension filtration system comprising:
the bottom of the filter tank (6) is connected with a water inlet pipe (7), and the top of the filter tank is provided with an overflow weir (4);
the upper filter plate (10) and the lower water distribution plate (9) are fixedly arranged in the filter tank (6), and a filter area is formed between the upper filter plate and the lower water distribution plate;
a suspension filter material arranged within the filtration zone to form a suspension filter material layer (11);
the high-efficiency filter material is characterized in that the high-efficiency filter material is adopted as the suspension filter material in any one of claims 1 to 8.
10. The suspension filter system according to claim 9, characterized in that the suspension filter bed (11) has a thickness of 0.6 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011242277.7A CN112546685A (en) | 2020-11-09 | 2020-11-09 | High-efficiency filter material and suspension filter system using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011242277.7A CN112546685A (en) | 2020-11-09 | 2020-11-09 | High-efficiency filter material and suspension filter system using same |
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| CN112546685A true CN112546685A (en) | 2021-03-26 |
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| CN202011242277.7A Pending CN112546685A (en) | 2020-11-09 | 2020-11-09 | High-efficiency filter material and suspension filter system using same |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310610Y (en) * | 1997-09-29 | 1999-03-17 | 刘开源 | Filtering hair ball for water treatment |
| CN1579596A (en) * | 2004-05-18 | 2005-02-16 | 清华大学 | Fiber shaped body filtering material |
| CN101406776A (en) * | 2008-11-06 | 2009-04-15 | 上海峰渡水净化工程有限公司 | Fibre sand filtering material |
| CN104368179A (en) * | 2014-10-20 | 2015-02-25 | 苏州富奇诺水治理设备有限公司 | High-efficiency sewage fiber filter |
| CN105013221A (en) * | 2014-04-30 | 2015-11-04 | 江苏中超环保股份有限公司 | Multistage filter material filtering device |
| CN111729357A (en) * | 2020-07-13 | 2020-10-02 | 黄河勘测规划设计研究院有限公司 | Stirring formula suspension filtration system |
-
2020
- 2020-11-09 CN CN202011242277.7A patent/CN112546685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310610Y (en) * | 1997-09-29 | 1999-03-17 | 刘开源 | Filtering hair ball for water treatment |
| CN1579596A (en) * | 2004-05-18 | 2005-02-16 | 清华大学 | Fiber shaped body filtering material |
| CN101406776A (en) * | 2008-11-06 | 2009-04-15 | 上海峰渡水净化工程有限公司 | Fibre sand filtering material |
| CN105013221A (en) * | 2014-04-30 | 2015-11-04 | 江苏中超环保股份有限公司 | Multistage filter material filtering device |
| CN104368179A (en) * | 2014-10-20 | 2015-02-25 | 苏州富奇诺水治理设备有限公司 | High-efficiency sewage fiber filter |
| CN111729357A (en) * | 2020-07-13 | 2020-10-02 | 黄河勘测规划设计研究院有限公司 | Stirring formula suspension filtration system |
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Application publication date: 20210326 |