CN111203032B - Microporous fiber ball biological filter material and preparation method thereof - Google Patents
Microporous fiber ball biological filter material and preparation method thereof Download PDFInfo
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- CN111203032B CN111203032B CN202010033319.XA CN202010033319A CN111203032B CN 111203032 B CN111203032 B CN 111203032B CN 202010033319 A CN202010033319 A CN 202010033319A CN 111203032 B CN111203032 B CN 111203032B
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- filter material
- biological filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to the technical field of biological filter materials, in particular to a microporous fiber biological filter material and a preparation method thereof; the microporous biological filter material is prepared by folding a soft metal strip adhered with a fiber filter wire into two and winding the two in an S shape, and comprises a composite microporous biological filter material consisting of a ceramsite filter material, a quartz sand filter material, a manganese sand filter material and a sponge iron filter material.
Description
Technical Field
The invention relates to the technical field of biological filter materials, in particular to a microporous fiber biological filter material and a preparation method thereof.
Background
The microporous filter material is mainly used for a floating bed type filter, and has the advantages of corrosion resistance, oxidation resistance, no toxicity, low temperature resistance, stable chemical performance, high hardness, high strength, long service life and small filtration resistance.
Patent 2018106225435 discloses a fiber microporous fiber biological filter material and a preparation method thereof, and the fiber microporous fiber biological filter material comprises the following components in parts by mass: 35-45 parts of fly ash, 15-25 parts of phenolic plastic, 10-20 parts of glass fiber, 2-5 parts of coupling agent, 10-20 parts of filler, 20-30 parts of binder and 5-15 parts of pore-forming agent. The technical problem to be solved is as follows: the prepared microporous fiber biological filter material has larger pore size, improves the back washing efficiency, but reduces the filtering efficiency of the filter material to a certain extent.
Disclosure of Invention
The purpose of the invention is: the invention overcomes the defects in the prior art, provides the microporous fiber biological filter material with large specific surface area of micropores, high filtering efficiency and high backwashing efficiency, and also aims to provide the preparation method of the microporous fiber biological filter material.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a biological filter material of microporous fiber ball, biological filter material of microporous fiber includes the biological filter material of micropore and a plurality of fiber strips of cladding at the biological filter material of micropore surface, the fiber strip is the S type by the soft metal strip fifty percent discount that is stained with the fiber filter silk and twines after making, there is one deck wire net outside the biological filter material of micropore, the fiber strip is fixed on the wire net, the biological filter material of micropore includes the biological filter material of compound micropore that haydite filter material, quartz sand filter material, manganese sand filter material and sponge iron filter material constitute, and the haydite filter material, quartz sand filter material, manganese sand filter material and sponge iron filter material' S volume ratio are 3.
Furthermore, a layer of plastic net is arranged outside the microporous biological filter material.
Furthermore, the steel wire net comprises a plurality of plastic tennis balls filled with composite microporous biological filter materials.
Furthermore, the plastic tennis ball comprises a left half plastic ball and a right half plastic ball, and the left half plastic ball and the right half plastic ball are connected through threads.
Furthermore, the aperture of the meshes of the left half plastic ball and the right half plastic ball is smaller than the particle size of the filter material with the smallest particle size in the composite biological filter material, and the outer edges of the meshes of the left half plastic ball and the right half plastic ball are provided with a layer of bosses inclining towards the circle center.
Furthermore, the ceramsite filter material, the quartz sand filter material, the manganese sand filter material and the sponge iron filter material are all natural filter materials, and the porosity of the composite microporous biological filter material is 0.65-0.72.
Furthermore, the soft metal strips penetrate through the through holes in the steel wire mesh and are folded in half and wound in an S shape to form the fiber strips.
Furthermore, the gas throughput of the composite microporous biological filter material is 2100-2200m 3 /m 2 。
Furthermore, the expansion strength of the composite microporous biological filter material is 88-90km/cm 3 。
A preparation method of a microporous fiber biological filter material comprises the following steps:
(1) Preparing a ceramsite filter material, a quartz sand filter material, a manganese sand filter material and a sponge iron filter material, then mixing the filter materials in proportion, and screening the mixture to obtain a composite biological filter material meeting the conditions;
(2) Respectively filling the composite biological filter material into plastic mesh balls for later use;
(3) Fixing the fiber strips on a steel wire mesh to obtain a spare steel wire mesh;
(4) And coating the standby steel wire mesh outside the plastic mesh balls to obtain the microporous fiber ball biological filter material.
The technical scheme adopted by the invention has the beneficial effects that:
the composite biological filter material has the comprehensive performance of both microporous filter material and fiber filter material, and has the advantages of corrosion resistance, oxidation resistance, no toxicity, low temperature resistance, unchanged chemical performance, high hardness, high strength, long service life, small filtering resistance, clear filtrate and high effect. The microporous filter material is spherical particles, has a plurality of micropores and has excellent adsorption function, and the fiber filter material further improves the adsorbability and toughness of the composite biological filter material, can be repeatedly regenerated and used, and has low filtration cost.
According to the invention, the outer edges of the meshes on the left half plastic ball and the right half plastic ball are provided with the bosses which are inclined towards the circle center, and by adopting the structure, part of impurities can be filtered on the bosses of the plastic tennis ball, and the impurities left on the bosses of the plastic tennis ball can be cleaned by washing, so that the cleaning efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a microporous fibrous biofilter material according to the present invention.
In the figure: 1 steel wire mesh, 2 composite biological filter materials, 3 fiber filter wires, 4 soft metal strips and 5 plastic meshes.
Detailed Description
The invention will now be further illustrated with reference to specific examples.
Referring to fig. 1, a microporous fiber ball biological filter material, the microporous fiber biological filter material includes a microporous biological filter material and a plurality of fiber strips coated on the surface of the microporous biological filter material, the fiber strips are made by folding a soft metal strip 4 adhered with a fiber filter wire 3 in half and winding the fiber strips in an S shape, a layer of steel wire mesh 1 is arranged outside the microporous biological filter material, the fiber strips are fixed on the steel wire mesh 1, the microporous biological filter material includes a composite microporous biological filter material formed by a ceramsite filter material, a quartz sand filter material, a manganese sand filter material and a sponge iron filter material, the volume ratio of the ceramsite filter material, the quartz sand filter material, the manganese sand filter material and the sponge iron filter material is 3. The microporous filter material is spherical particles, has a plurality of micropores and has excellent adsorption function, and the fiber filter material further improves the adsorptivity and toughness of the composite biological filter material 2, can be repeatedly regenerated and used, and has low filtration cost.
As a preferred implementation mode, the plastic net 5 is arranged outside the microporous biological filter material in the embodiment, and by adopting the structure, the installation efficiency of the filter material is high. As a preferred embodiment, the steel wire mesh 1 in this embodiment includes a plurality of plastic mesh 5 balls filled with composite microporous biological filter material, and with this structure, the filtering efficiency is high.
As a preferred embodiment, the plastic net 5 ball in this embodiment includes a left half plastic ball and a right half plastic ball, and the left half plastic ball and the right half plastic ball are connected by a screw thread.
As a preferred implementation mode, the aperture of the meshes of the left half plastic ball and the right half plastic ball in the embodiment is smaller than the particle size of the filtering material with the smallest particle size in the composite biological filtering material 2, and the outer edges of the meshes of the left half plastic ball and the right half plastic ball are provided with a layer of boss inclining towards the circle center.
As a preferred embodiment, the ceramsite filter material, the quartz sand filter material, the manganese sand filter material and the sponge iron filter material in the embodiment are all natural filter materials, and the porosity of the composite microporous biological filter material is 0.65-0.72, preferably 0.7.
As a preferred embodiment, the soft metal strips 4 in this embodiment pass through the through holes on the steel wire mesh 1 and are folded in half and wound in an S shape to form fiber strips, and with this structure, the fiber strips are firmly fixed on the steel wire mesh 1.
As a preferred embodiment, the gas throughput of the composite microporous biofilter material in the present example is 2100-2200m 3 /m 2 。
As a preferred embodiment, the composite microporous biological filter material in the embodiment has the anti-swelling strength of 88-90km/cm 3 。
The preparation method of the microporous fiber biological filter material comprises the following steps:
(1) Preparing a ceramsite filter material, a quartz sand filter material, a manganese sand filter material and a sponge iron filter material, then mixing the filter materials in proportion, and screening the mixture to obtain a composite biological filter material 2 meeting the conditions;
(2) Respectively filling the composite biological filter material 2 into plastic net 5 balls for later use;
(3) Fixing the fiber strips on a steel wire mesh 1 to obtain a spare steel wire mesh 1;
(4) And coating the standby steel wire mesh 1 outside a plurality of plastic mesh 5 balls to obtain the microporous fiber ball biological filter material.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. 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. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A biological filter material of a microporous fiber ball is characterized in that: the biological filter material of micropore fibre ball includes the biological filter material of micropore and the cladding is at a plurality of fiber strips on the biological filter material surface of micropore, the fiber strip is the preparation after S type winding by the soft metal strip fifty percent discount that is stained with the fibre filter silk, there is the one deck wire net outside the biological filter material of micropore, the fiber strip is fixed on the wire net, the biological filter material of micropore includes the biological filter material of compound micropore that haydite filter material, quartz sand filter material, manganese sand filter material and sponge iron filter material constitute, and the volume ratio of haydite filter material, quartz sand filter material, manganese sand filter material and sponge iron filter material is 3;
a layer of plastic net is arranged outside the microporous biological filter material;
the steel wire net comprises a plurality of plastic tennis balls filled with composite microporous biological filter materials;
the plastic tennis ball comprises a left half plastic ball and a right half plastic ball, and the left half plastic ball and the right half plastic ball are connected through threads;
the aperture of the meshes of the left half plastic ball and the right half plastic ball is smaller than the particle size of the filter material with the smallest particle size in the composite biological filter material, and the outer edges of the meshes of the left half plastic ball and the right half plastic ball are provided with a layer of bosses which are inclined towards the circle center.
2. The microporous fiber ball biological filter material of claim 1, wherein: the ceramsite filter material, the quartz sand filter material, the manganese sand filter material and the sponge iron filter material are all natural filter materials, and the porosity of the composite microporous biological filter material is 0.65-0.72.
3. The microporous fiber ball biological filter material of claim 1, wherein: and the soft metal strips penetrate through the through holes in the steel wire mesh and are folded in half to form an S-shaped winding to form the fiber strips.
4. The microporous fiber ball biological filter material of claim 1The method is characterized in that: the gas throughput of the composite microporous biological filter material is 2100-2200m 3 /m 2 。
5. The microporous fiber ball biofilter material of claim 1, wherein: the anti-swelling strength of the composite microporous biological filter material is 88-90km/cm 3 。
6. A method for preparing a microporous fiber ball biofilter material according to any of claims 1 to 5, wherein: the preparation method comprises the following steps:
(1) Preparing a ceramsite filter material, a quartz sand filter material, a manganese sand filter material and a sponge iron filter material, then mixing the filter materials in proportion, and screening the mixture to obtain a composite biological filter material meeting the conditions;
(2) Respectively filling the composite biological filter material into plastic mesh balls for later use;
(3) Fixing the fiber strips on a steel wire mesh to obtain a spare steel wire mesh;
(4) And coating the standby steel wire mesh outside the plastic mesh balls to obtain the microporous fiber ball biological filter material.
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| FR2733922B1 (en) * | 1995-05-12 | 1997-07-25 | Interbrew Sa | NOVEL FILTRATION ADJUVANTS, NOVEL FILTRATION MEDIA, FILTRATION METHOD USING THE SAME AND REGENERATION METHOD OF THE SAME |
| US6835311B2 (en) * | 2002-01-31 | 2004-12-28 | Koslow Technologies Corporation | Microporous filter media, filtration systems containing same, and methods of making and using |
| KR100836059B1 (en) * | 2006-03-31 | 2008-06-09 | 주식회사 엘지화학 | Ceramic filter with an outer wall by comprising Clay and making process of ceramic filter by the same |
| CN202555087U (en) * | 2012-05-11 | 2012-11-28 | 李乐斌 | Novel comet-type fiber filter material |
| US20150157969A1 (en) * | 2013-12-05 | 2015-06-11 | Hollingsworth & Vose Company | Fine glass filter media |
| CN104773836A (en) * | 2015-03-30 | 2015-07-15 | 天津大学 | Novel combined ecological floating bed |
| CN104743582B (en) * | 2015-04-14 | 2016-05-18 | 中国海洋石油总公司 | The method and apparatus of bromine bittern production refined brine is carried in a kind of utilization |
| US11083216B2 (en) * | 2016-04-29 | 2021-08-10 | Log 9 Materials Scientific Private Limited | Graphene based tobacco smoke filter and a method for synthesizing graphene composition |
| CN105999845A (en) * | 2016-06-27 | 2016-10-12 | 马鞍山市顺达环保设备有限公司 | Novel environment-friendly filtering material |
| CN106186361A (en) * | 2016-08-24 | 2016-12-07 | 安徽正田能源科技有限公司 | A kind of silicon chip processing waste water is with natural purification filtrate |
| CN107469464A (en) * | 2017-09-28 | 2017-12-15 | 江苏闽江矿业有限公司 | A kind of quartz sand water treatment filter material |
| CN108854260A (en) * | 2018-06-15 | 2018-11-23 | 徐州世润德环保科技有限公司 | The preparation method of high tenacity biofilter material |
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