CN113181888A - Water-ring adsorption-formed polyacrylonitrile pulp-poise mixed active carbon filter element and method - Google Patents

Water-ring adsorption-formed polyacrylonitrile pulp-poise mixed active carbon filter element and method Download PDF

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CN113181888A
CN113181888A CN202110454014.0A CN202110454014A CN113181888A CN 113181888 A CN113181888 A CN 113181888A CN 202110454014 A CN202110454014 A CN 202110454014A CN 113181888 A CN113181888 A CN 113181888A
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polyacrylonitrile
filter element
pulp
grinding
water
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CN113181888B (en
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李欢
金星华
卜为俊
卜为明
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Zhejiang Xinyuan New Material Co Ltd
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Zhejiang Xinyuan New Material Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
    • B01D39/1646—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of natural origin, e.g. cork or peat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
    • B01J20/28035—Membrane, sheet, cloth, pad, lamellar or mat with more than one layer, e.g. laminates, separated sheets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/15—Proteins or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
    • D06M2101/28—Acrylonitrile; Methacrylonitrile

Abstract

The invention discloses a water-ring type adsorption-formed polyacrylonitrile pulp-blended activated carbon filter element and a method, which relate to the technical field of filter element manufacture and comprise a structural tube and a filter material layer, wherein the filter material layer is fixedly sleeved with the side wall of the structural tube.

Description

Water-ring adsorption-formed polyacrylonitrile pulp-poise mixed active carbon filter element and method
Technical Field
The invention relates to the technical field of filter element manufacturing, in particular to a filter element manufactured by mixing activated carbon with water-ring type adsorption-molded polyacrylonitrile pulp and a method thereof.
Background
The active carbon filter element is made up by using high-quality shell carbon and coal-base active carbon as raw material, adding edible adhesive and adopting high-tech technology and adopting special technological process, and integrates the actions of adsorption, filtration, interception and catalysis, and can effectively remove organic matter, residual chlorine and other radioactive substances from water, and has the functions of decolouring and removing abnormal smell.
Through retrieval, Chinese patent No. CN202011109975X discloses a preparation method of an activated carbon filter element, which can achieve certain effect, but still adopts the traditional process, has lower adsorption effect and poorer hydrophilic compatibility, is easy to generate black water and fracture phenomena in the use process, is not optimized in the manufacturing process, reduces the manufacturing efficiency, prolongs the production time and solves the problem of improving the production cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a filter element made of water-ring adsorption-molded polyacrylonitrile pulp mixed with activated carbon and a method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the water-ring type adsorption-molded polyacrylonitrile pulp-poise mixed activated carbon filter element comprises a structural tube and a filter material layer, wherein the filter material layer is fixedly sleeved with the side wall of the structural tube.
The method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon comprises the following steps:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing the polyacrylonitrile fiber by mass percent: 1-2 parts of polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution;
s2, chopping 1-2 parts of polyacrylonitrile fiber, and grinding the fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc;
b. after the first grinding decomposition, 0.2-0.6 part of calcium carbonate powder is added into the grinding disc for the second grinding decomposition;
c. after the second grinding decomposition is finished, adding 0.2-0.4 part of protein micro-nano powder into the grinding disc for third grinding decomposition;
s3, adding 0.5-1 part of sodium hydroxide solution into the mixture after the third grinding, so as to separate 0.2-0.4 part of protein micro-nano powder in the mixture, and then adding 0.5-1 part of HCl solution, so as to separate 0.2-0.6 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5-9 parts of polyacrylonitrile fiber in 1500-1700 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage barrel with a stirring function, adding 90-95 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe into the forming hopper, and performing negative pressure adsorption to make microfibers, microparticles and powder in the mixed aqueous solution adsorbed outside the structural pipe to form hundreds of filter material layers;
step five: taking the negative pressure adsorption pipe with the structural pipe out of the forming hopper, and pumping and rolling the filter material layer outside the structural pipe by using a pressurizing roller device so as to form a prefabricated filter element by the structural pipe and the filter material layer;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
Further, the filtering material layer comprises the following components in parts by weight: 90-95 parts of composite activated carbon, 5-9 parts of dry polyacrylonitrile fiber, 1500-1700 parts of pure water, 1-2 parts of dry polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution.
Further, the concentration of the mixed aqueous solution prepared in the third step is controlled to be 6-8%.
Further, in the sixth step, the drying is performed by using a heating rod at a temperature of 110-
The drying time is 6-10h, and the water content of the filter element after drying is 3-5%.
Further, in step S2 the mill includes the thick liquid pond, install the motor on the lateral wall in thick liquid pond, the rigid coupling has the axis of rotation on the output of motor, the other end of axis of rotation extends to in the thick liquid pond, and the fixed fly sword roller that has cup jointed in stretching into of axis of rotation, the contact is connected with the bed knife board on the lateral wall of fly sword roller, the bottom surface of bed knife board and the interior bottom surface rigid coupling in thick liquid pond.
Furthermore, the top surface of the bottom cutter plate is obliquely arranged, and a feed inlet is formed in the top surface of the pulp tank.
Further, the motor drives the fly cutter roller to move through the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the polyacrylonitrile fiber can be ground by adopting the protein micro-nano powder and the calcium carbonate powder, so that the polyacrylonitrile fiber is separated, the generation of static electricity between the polyacrylonitrile fibers is reduced, the probability of conglobation of the polyacrylonitrile fiber in a grinding disc machine is also reduced, the efficiency of forming pulp of the polyacrylonitrile fiber is improved, the preparation speed of the filter element is further improved, the production time is reduced, and a large amount of production cost is saved.
2. The activated carbon prepared by mixing the polyacrylonitrile pulp has higher adsorption efficiency, can adapt to the application in different environments, improves the application range, solves the technical problem that the existing fibrous, granular and powdery functional filter materials and high-molecular fibrous functional materials cannot be mixed and compatibly molded, and has the following advantages:
a. the water-ring type formed composite activated carbon filter element has good hydrophilic compatibility, small pressure drop, large black water yield and difficult fracture and blockage in the use process.
b. The activated carbon fiber inside the water ring type formed composite activated carbon filter element has high filtering precision, so that the carbon powder and black water can not be discharged even if initial water is introduced, and the activated carbon filter element can replace a PP cotton filter element, filled activated carbon particles, an extruded and compressed activated carbon rod as a pre-treatment, so that the structural design volume and the manufacturing cost of the water purifier are greatly saved.
c. The water-ring-shaped composite active carbon filter element structure is more stable and elastic, avoids the fracture phenomenon of the active carbon layer of the filter element during transportation, and ensures the water purification effect of the filter element.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a front sectional view of a grinding disc in the method for manufacturing a filter element by mixing water-ring adsorption-molded polyacrylonitrile pulp and activated carbon;
FIG. 2 is a left side view of a millstone in the method for manufacturing a filter element by mixing water-ring adsorption-molded polyacrylonitrile pulp and activated carbon;
FIG. 3 is a top view of a millstone structure in the method for manufacturing a filter element by mixing water-ring adsorption-molded polyacrylonitrile pulp and activated carbon;
FIG. 4 is a schematic diagram of the overall structure of a water-ring type adsorption-molded polyacrylonitrile pulp-poise mixed activated carbon filter element.
In the figure: 1. a grinding disc; 11. a pulp tank; 12. an electric motor; 13. a rotating shaft; 14. a fly cutter roller; 15. a bed plate; 2. a structural tube; 3. a layer of filter material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-4, the water-ring-type absorption-molded polyacrylonitrile pulp-poise mixed activated carbon filter element comprises a structural tube 2 and a filter material layer 3, wherein the filter material layer 3 is fixedly sleeved with the side wall of the structural tube 2.
The method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon comprises the following steps:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing polyacrylonitrile fiber according to the following mass percent: 1-2 parts of polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution;
s2, chopping 1-2 parts of polyacrylonitrile fiber, and grinding the fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc 1;
b. after the first grinding decomposition, 0.2-0.6 part of calcium carbonate powder is added into the grinding disc 1 for the second grinding decomposition;
c. after the second grinding decomposition is finished, adding 0.2-0.4 part of protein micro-nano powder into the grinding disc 1 for carrying out third grinding decomposition;
s3, adding 0.5-1 part of sodium hydroxide solution into the mixture after the third grinding, so as to separate 0.2-0.4 part of protein micro-nano powder in the mixture, and then adding 0.5-1 part of HCl solution, so as to separate 0.2-0.6 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5-9 parts of polyacrylonitrile fiber in 1500-1700 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage barrel with a stirring function, adding 90-95 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe 2 on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe 2 into the forming hopper, and performing negative pressure adsorption to enable microfibers, microparticles and powder in the mixed aqueous solution to be adsorbed outside the structural pipe 2 to form hundreds of layers of filter material layers 3;
step five: taking the negative pressure adsorption pipe with the structural pipe 2 out of the forming hopper, and pumping and rolling the filter material layer 3 outside the structural pipe 2 by using a pressurizing roller device, so that the structural pipe 2 and the filter material layer 3 form a prefabricated filter element;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
The concentration of the mixed aqueous solution prepared in the third step is controlled to be 6-8%.
In the sixth step, a heating rod is adopted for drying, the temperature is 110-.
The filtering material layer 3 comprises the following components in parts by weight: 90-95 parts of composite activated carbon, 5-9 parts of dry polyacrylonitrile fiber, 1500-1700 parts of pure water, 1-2 parts of dry polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution.
In the step S2, the grinding disc 1 includes a pulp tank 11, a motor 12 is mounted on a side wall of the pulp tank 11, a rotating shaft 13 is fixedly connected to an output end of the motor 12, the other end of the rotating shaft 13 extends into the pulp tank 11, a fly cutter roller 14 is fixedly sleeved on an extending end of the rotating shaft 13, a bottom cutter plate 15 is connected to a side wall of the fly cutter roller 14 in a contact manner, and a bottom surface of the bottom cutter plate 15 is fixedly connected to an inner bottom surface of the pulp tank 11.
The top surface of the bottom cutter plate 15 is obliquely arranged, the top surface of the pulp tank 11 is provided with a feed inlet, and the motor 12 drives the fly cutter roller 14 to move through the rotating shaft 13.
Example 1:
the method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon comprises the following steps:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing polyacrylonitrile fiber according to the following mass percent: 1 part of polyacrylonitrile fiber, 0.2 part of calcium carbonate powder, 0.2 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution;
s2, chopping 1 part of polyacrylonitrile fiber, and grinding the chopped polyacrylonitrile fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc 1;
b. after the first grinding decomposition, 0.2 part of calcium carbonate powder is added into the grinding disc 1 for the second grinding decomposition;
c. after the second milling decomposition is finished, adding 0.2 part of protein micro-nano powder into the grinding disc 1 for carrying out third milling decomposition;
s3, adding 0.5 part of sodium hydroxide solution into the mixture after the third grinding so as to separate 0.2 part of protein micro-nano powder in the mixture, and then adding 0.5 part of HCl solution so as to separate 0.2 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5 parts of polyacrylonitrile pulp fiber in 1500 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage bucket with a stirring function, adding 90 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe 2 on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe 2 into the forming hopper, and performing negative pressure adsorption to enable microfibers, microparticles and powder in the mixed aqueous solution to be adsorbed outside the structural pipe 2 to form hundreds of layers of filter material layers 3;
step five: taking the negative pressure adsorption pipe with the structural pipe 2 out of the forming hopper, and pumping and rolling the filter material layer 3 outside the structural pipe 2 by using a pressurizing roller device, so that the structural pipe 2 and the filter material layer 3 form a prefabricated filter element;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
The concentration of the mixed aqueous solution prepared in the third step is controlled to be 6 percent.
And sixthly, drying by using a heating rod at the temperature of 110 ℃ for 6h, wherein the water content of the dried filter element is 3%.
Wherein the filtering material layer 3 comprises the following components in parts by weight: 90 parts of composite activated carbon, 5 parts of dry polyacrylonitrile pulp fiber, 1500 parts of pure water, 1 part of dry polyacrylonitrile fiber, 0.2 part of calcium carbonate powder, 0.2 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution.
Example 2:
the method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon comprises the following steps:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing polyacrylonitrile fiber according to the following mass percent: 1 part of polyacrylonitrile fiber, 0.4 part of calcium carbonate powder, 0.3 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution;
s2, chopping 1 part of polyacrylonitrile fiber, and grinding the chopped polyacrylonitrile fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc 1;
b. after the first grinding decomposition, 0.4 part of calcium carbonate powder is added into the grinding disc 1 for second grinding decomposition;
c. after the second milling decomposition is finished, adding 0.3 part of protein micro-nano powder into the grinding disc 1 for carrying out third milling decomposition;
s3, adding 0.5 part of sodium hydroxide solution into the mixture after the third grinding so as to separate 0.3 part of protein micro-nano powder in the mixture, and then adding 0.5 part of HCl solution so as to separate 0.4 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5 parts of polyacrylonitrile pulp fiber in 1500 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage bucket with a stirring function, adding 90 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe 2 on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe 2 into the forming hopper, and performing negative pressure adsorption to enable microfibers, microparticles and powder in the mixed aqueous solution to be adsorbed outside the structural pipe 2 to form hundreds of layers of filter material layers 3;
step five: taking the negative pressure adsorption pipe with the structural pipe 2 out of the forming hopper, and pumping and rolling the filter material layer 3 outside the structural pipe 2 by using a pressurizing roller device, so that the structural pipe 2 and the filter material layer 3 form a prefabricated filter element;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
The concentration of the mixed aqueous solution prepared in the third step is controlled to be 6 percent.
And sixthly, drying by using a heating rod at the temperature of 110 ℃ for 6h, wherein the water content of the dried filter element is 3%.
Wherein the filtering material layer 3 comprises the following components in parts by weight: 90 parts of composite activated carbon, 5 parts of dry polyacrylonitrile pulp fiber, 1500 parts of pure water, 1 part of dry polyacrylonitrile fiber, 0.4 part of calcium carbonate powder, 0.3 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution.
Example 3:
the method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon comprises the following steps:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing polyacrylonitrile fiber according to the following mass percent: 1 part of polyacrylonitrile fiber, 0.6 part of calcium carbonate powder, 0.4 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution;
s2, chopping 1 part of polyacrylonitrile fiber, and grinding the chopped polyacrylonitrile fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc 1;
b. after the first grinding decomposition, 0.6 part of calcium carbonate powder is added into the grinding disc 1 for the second grinding decomposition;
c. after the second milling decomposition is finished, adding 0.4 part of protein micro-nano powder into the grinding disc 1 for carrying out third milling decomposition;
s3, adding 0.5 part of sodium hydroxide solution into the mixture after the third grinding so as to separate 0.4 part of protein micro-nano powder in the mixture, and then adding 0.5 part of HCl solution so as to separate 0.6 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5 parts of polyacrylonitrile pulp fiber in 1500 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage bucket with a stirring function, adding 90 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe 2 on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe 2 into the forming hopper, and performing negative pressure adsorption to enable microfibers, microparticles and powder in the mixed aqueous solution to be adsorbed outside the structural pipe 2 to form hundreds of layers of filter material layers 3;
step five: taking the negative pressure adsorption pipe with the structural pipe 2 out of the forming hopper, and pumping and rolling the filter material layer 3 outside the structural pipe 2 by using a pressurizing roller device, so that the structural pipe 2 and the filter material layer 3 form a prefabricated filter element;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
The concentration of the mixed aqueous solution prepared in the third step is controlled to be 6 percent.
And sixthly, drying by using a heating rod at the temperature of 110 ℃ for 6h, wherein the water content of the dried filter element is 3%.
Wherein the filtering material layer 3 comprises the following components in parts by weight: 90 parts of composite activated carbon, 5 parts of dry polyacrylonitrile pulp fiber, 1500 parts of pure water, 1 part of dry polyacrylonitrile fiber, 0.6 part of calcium carbonate powder, 0.4 part of protein micro-nano powder, 0.5 part of sodium hydroxide solution and 0.5 part of HCl solution.
Comparative example 1:
the method for manufacturing the filter element by mixing the water-ring type adsorption-molded polyacrylonitrile pulp with the activated carbon comprises the following steps of: 95 parts of composite activated carbon, 9 parts of dry polyacrylonitrile pulp fiber, 1700 parts of pure water and 2 parts of dry polyacrylonitrile fiber, and the other technical schemes are the same as those in the embodiment 1.
By comparing example 1, example 2, and example 3 with comparative example 1, it can be seen that: the speed of preparing the filter element in the embodiments 1, 2 and 3 is far higher than that in the comparative example 1, the protein micro-nano powder and the calcium carbonate powder which coat the polyacrylonitrile fiber are respectively used for grinding and dissolving the polyacrylonitrile fiber in the grinding disc grinding and dissolving process, so that the polyacrylonitrile fiber is separated, the generation of static electricity among the polyacrylonitrile fibers is reduced, the probability of conglomeration of the polyacrylonitrile fiber in a grinding disc machine is also reduced, the efficiency of forming pulp by the polyacrylonitrile fiber is improved, the preparation speed of the filter element is further improved, the production time is reduced, and a large amount of production cost is saved;
the working principle of the grinding disc is as follows: the motor 12 on the pulp tank 11 is started, so that the motor 12 drives the fly cutter roller 14 to rotate through the rotating shaft 13, the fly cutter roller 14 is matched with the bottom knife board 15 to grind and depolymerize acrylonitrile fibers, the purpose of improving grinding and decomposing efficiency is achieved, the polyacrylonitrile fibers can be quickly converted into polyacrylonitrile pulp fibers, and operation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The water-ring type adsorption forming polyacrylonitrile pulp is mixed with activated carbon to manufacture the filter element, and the water-ring type adsorption forming polyacrylonitrile pulp is characterized by comprising a structural tube (2) and a filter material layer (3), wherein the filter material layer (3) is fixedly sleeved with the side wall of the structural tube (2).
2. The method for manufacturing the filter element by mixing the polyacrylonitrile pulp poise with the activated carbon in the water-ring type adsorption molding process is characterized by comprising the following steps of:
the method comprises the following steps: preparing polyacrylonitrile pulp fiber, which comprises the following steps:
s1, preparing the polyacrylonitrile fiber by mass percent: 1-2 parts of polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution;
s2, chopping 1-2 parts of polyacrylonitrile fiber, and grinding the fiber step by step, wherein the grinding method specifically comprises the following steps:
a. grinding and decomposing polyacrylonitrile fibers for the first time by using a grinding disc (1);
b. after the first grinding decomposition, 0.2-0.6 part of calcium carbonate powder is added into the grinding disc (1) for the second grinding decomposition;
c. after the second grinding decomposition is finished, adding 0.2-0.4 part of protein micro-nano powder into the grinding disc (1) for carrying out third grinding decomposition;
s3, adding 0.5-1 part of sodium hydroxide solution into the mixture after the third grinding, so as to separate 0.2-0.4 part of protein micro-nano powder in the mixture, and then adding 0.5-1 part of HCl solution, so as to separate 0.2-0.6 part of calcium carbonate powder in the mixture;
s4, separating and filtering to obtain polyacrylonitrile pulp fiber;
step two: fully knocking 5-9 parts of polyacrylonitrile fiber in 1500-1700 parts of pure water, and then uniformly stirring to form mixed slurry;
step three: feeding the mixed slurry into a storage barrel with a stirring function, adding 90-95 parts of composite activated carbon, and fully stirring and mixing to prepare a mixed aqueous solution;
step four: inputting the mixed aqueous solution into a forming hopper, sleeving a structural pipe (2) on a negative pressure adsorption pipe, immersing the negative pressure adsorption pipe with the structural pipe (2) into the forming hopper, and performing negative pressure adsorption to adsorb microfibers, microparticles and powder in the mixed aqueous solution outside the structural pipe (2) to form hundreds of layers of filtering material layers (3);
step five: taking the negative pressure adsorption pipe with the structural pipe (2) out of the forming hopper, and pumping and rolling the filter material layer (3) outside the structural pipe (2) by using a pressurizing roller device, so that the structural pipe (2) and the filter material layer (3) form a prefabricated filter element;
step six: and taking down the prefabricated filter element from the negative pressure adsorption pipe, putting the prefabricated filter element on a special circulating ventilation plate block which is arranged up, down, left and right, and drying to obtain the filter element.
3. The method for manufacturing the filter element by mixing the water-ring type adsorption molding polyacrylonitrile pulp and the activated carbon according to the claim 2, wherein the filter material layer (3) in the fourth step is composed of the following components in parts by weight: 90-95 parts of composite activated carbon, 5-9 parts of dry polyacrylonitrile fiber, 1500-1700 parts of pure water, 1-2 parts of dry polyacrylonitrile fiber, 0.2-0.6 part of calcium carbonate powder, 0.2-0.4 part of protein micro-nano powder, 0.5-1 part of sodium hydroxide solution and 0.5-1 part of HCl solution.
4. The method for manufacturing the filter element by the water-ring type adsorption molding polyacrylonitrile pulp and blended activated carbon according to claim 2, wherein the concentration of the mixed aqueous solution prepared in the third step is controlled to be 6-8%.
5. The method for preparing the filter element by mixing the activated carbon with the water-ring type adsorption molded polyacrylonitrile pulp according to claim 2, wherein the drying in the sixth step is performed by using a heating rod at the temperature of 110-130 ℃, the drying time is 6-10h, and the water content of the dried filter element is 3-5%.
6. The method for manufacturing the filter element by using the water-ring type adsorption molding polyacrylonitrile pulp mixed activated carbon according to claim 2, wherein in the step S2, the grinding disc (1) comprises a pulp tank (11), a motor (12) is installed on the side wall of the pulp tank (11), a rotating shaft (13) is fixedly connected to the output end of the motor (12), the other end of the rotating shaft (13) extends into the pulp tank (11), a fly cutter roller (14) is fixedly sleeved on the extending end of the rotating shaft (13), a bottom cutter plate (15) is in contact connection with the side wall of the fly cutter roller (14), and the bottom surface of the bottom cutter plate (15) is fixedly connected to the inner bottom surface of the pulp tank (11).
7. The method for manufacturing the filter element by mixing the activated carbon with the water-ring type absorption molding polyacrylonitrile pulp and poise as claimed in claim 6, wherein the top surface of the bottom knife plate (15) is obliquely arranged, and the top surface of the pulp tank (11) is provided with a feeding hole.
8. The method for manufacturing the filter element by mixing the activated carbon with the water-ring type absorption molding polyacrylonitrile pulp and poise as claimed in claim 6, wherein the fly cutter roller (14) is driven by the motor (12) to move through the rotating shaft (13).
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003135577A (en) * 2001-11-05 2003-05-13 Toray Coatex Co Ltd Filter element
CN103437233A (en) * 2013-09-11 2013-12-11 顾德芹 Polyacrylonitrile pulp type fibers as well as preparation method thereof
CN106999902A (en) * 2014-11-19 2017-08-01 株式会社可乐丽 Adsorption filter
CN109529443A (en) * 2018-11-07 2019-03-29 福建滤冠新型材料科技有限公司 A kind of wet forming composite reactive filtration core and preparation method thereof
CN111744272A (en) * 2020-07-28 2020-10-09 杭州科百特科技有限公司 Activated carbon filter element and preparation method thereof
CN111744273A (en) * 2020-07-28 2020-10-09 杭州科百特科技有限公司 Activated carbon filter element and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003135577A (en) * 2001-11-05 2003-05-13 Toray Coatex Co Ltd Filter element
CN103437233A (en) * 2013-09-11 2013-12-11 顾德芹 Polyacrylonitrile pulp type fibers as well as preparation method thereof
CN106999902A (en) * 2014-11-19 2017-08-01 株式会社可乐丽 Adsorption filter
US20170341052A1 (en) * 2014-11-19 2017-11-30 Kuraray Co., Ltd. Adsorption filter
CN109529443A (en) * 2018-11-07 2019-03-29 福建滤冠新型材料科技有限公司 A kind of wet forming composite reactive filtration core and preparation method thereof
CN111744272A (en) * 2020-07-28 2020-10-09 杭州科百特科技有限公司 Activated carbon filter element and preparation method thereof
CN111744273A (en) * 2020-07-28 2020-10-09 杭州科百特科技有限公司 Activated carbon filter element and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CEREN KÜTAHYALI ASLANI等: "Active Carbon/PAN composite adsorbent for uranium removal: Modeling adsorption isotherm data, thermodynamic and kinetic studies" *
张华;陈晨;梁晓飞;王涵;: "活性炭/聚丙烯腈纤维对溶液中的甲基橙染料吸附动力学研究" *

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