CN213141726U

CN213141726U - Filter device for removing organic acid salt in water

Info

Publication number: CN213141726U
Application number: CN202021009064.5U
Authority: CN
Inventors: 于爽; 李镜明; 李大川; 许伟强
Original assignee: Xiamen Filtertech Industrial Corp
Current assignee: Xiamen Filtertech Industrial Corp
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-05-07
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a get rid of organic acid salt's in aquatic filter equipment, including upper end cover, lower extreme cover and filtering component, the upper end cover with be provided with radial support piece between the lower extreme cover, filtering component is including filtering a piece and the electric charge paper of positively charged, filtering component encircles radial support piece sets up. The utility model discloses the filter equipment with lotus electric paper gets rid of efficiency to organic acid salt's filtration is higher, can realize high-efficient filtration, prolongs filter life, and the scheme of active carbon saves filtration space simultaneously.

Description

Filter device for removing organic acid salt in water

Technical Field

The utility model relates to a filter equipment of organic acid salt in getting rid of aquatic.

Background

The existing filtering technology can not effectively remove organic acid salt in water, or the efficiency of removing organic acid salt in water is very low, and the service life of the filtering technology can not meet the use requirement of products.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a filtering apparatus for removing organic acid salts from water.

The utility model discloses a following technical scheme realizes: the utility model provides a get rid of organic acid salt's in water filter equipment, includes upper end cover, lower extreme cover and filtering component, the upper end cover with be provided with radial support piece between the lower extreme cover, filtering component includes and filters piece and the electric charge paper of positive electricity, filter the piece with electric charge paper encircles radial support piece sets up.

Preferably, the charged paper has a multi-scale micro-nanofiber structure.

Preferably, the charged paper is arranged around the radial support member in a winding manner.

Preferably, the charged paper wraps the filter element in a winding manner.

Preferably, the charged paper is arranged around the radial support in a folded form.

Preferably, the charged paper has a plurality of folds.

Preferably, the pleats encapsulate the filter.

Preferably, the charged paper is in a star shape.

Preferably, the zeta potential of the charged paper is 34.95 v.

Preferably, the average pore diameter of the charged paper is 2.5 um.

Poor to current filtering technology to organic acid salt filter effect, problem that filter life is short, the utility model discloses the filter equipment with lotus electric paper gets rid of efficiency to organic acid salt's filtration is higher, can realize high-efficient filtration, prolongs filter life, and the scheme of the active carbon of phase comparison simultaneously saves filtration space.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a perspective view of another embodiment of the present invention.

Fig. 4 is a cross-sectional view of another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to the attached

drawings

1 and 2 of the specification, the filter device for removing organic acid salt in water comprises an upper end cover 1, a lower end cover 2 and a filter component 3, wherein a radial support member 4 is arranged between the upper end cover 1 and the lower end cover 2, the filter component 3 is wound around the radial support member 4, and the support member 4 can be a plastic piece or a material with a filtering function; the filter assembly 3 includes a filter element 31 and a charged paper 32, the charged paper is disposed around the radial support element 4 in a winding manner, in fig. 2, the charged paper 32 covers the filter element 31 therein, the charged paper 32 covers the filter element 31 in a winding manner, a grid is further disposed between the charged paper 32 and the filter element 31, water flows from one side of the charged paper 32 to the other side of the charged paper 32, and since the charged paper 32 has positive charges and organic acid salts are dissolved in water and then have negative charges, the charged paper 32 can adsorb the organic acid salts with negative charges, thereby achieving effective grabbing and removing effects. Thus, when the water flow enters the filter assembly 3 from the water inlet of the filter device, the charged paper 32 firstly blocks the organic acid salt in the water flow on one side of the charged paper, and then the water flow flows into the other side of the charged paper 32 and then passes through the filter member 31 for further filtering, and the filtered clean water can flow out from the inside of the support member 4 for use by a user.

In another preferred embodiment, referring to fig. 3 and 4, a filter device for removing organic acid salts from water includes an upper end cap 1, a lower end cap 2 and a filter assembly 3, wherein a radial support member 4 is disposed between the upper end cap 1 and the lower end cap 2, the filter assembly 3 is wound around the radial support member 4, and the support member 4 may be a plastic member or a material with a filtering function; the filter assembly 3 comprises a filter 31 and a charged paper 32, the charged paper is disposed around the radial support 4 in a folded form, in fig. 4, the charged paper 32 covers the filter 31 therein, the charged paper 32 covers the filter 31 in a folded form, that is, the charged paper 32 has a plurality of folds 32a, the folds 32a cover the filter 31, and preferably, referring to fig. 4, the charged paper 32 forms a star-shaped pattern. Like this, after water flow gets into filter assembly 3 from filter equipment's water inlet, because this electric charge paper 32 has the positive charge, and organic acid salt is dissolved in the negative charge behind the water, this electric charge paper 32 can adsorb the organic acid salt of taking the negative charge, and then can reach the effectual effect of snatching and getting rid of, this electric charge paper 32 can block the organic acid salt in the water flow in one side of this electric charge paper earlier, later the water flow flows into and carries out further filtration through filtering piece 31 behind the other side of electric charge paper 32, the inside outflow that the clean water after the filtration for example can follow support piece 4 supplies the user to use.

In the above embodiment, the charged paper 32 has a multi-scale micro-nano fiber structure, the specific surface area is large, the zeta potential is high and reaches 34.95v, the average pore size is 2.5um, the tensile strength is 2028.03N/m, the tensile index is 7.571n.m/g, and the elongation at break is 2.089%.

The filter device can be used for removing organic acid salts such as sodium potassium tartrate, zinc acetate and the like, wherein the filter device with the charged paper and the filter device with the common origami have the following test data for removing the sodium potassium tartrate: t: ton of

It is visible, compare in current filtering technology poor to organic acid salt filter effect, filter life is short, the utility model discloses it is higher to organic acid salt's filtration get rid of efficiency to the filter equipment with lotus electric paper, can realize high-efficient filtration, prolongs filter life, and the scheme of the active carbon of phase contrast simultaneously saves filtration space.

The charged paper comprises the following components in percentage by mass: 10-70% of a multi-scale micro-nano positively charged composite material, 10-70% of porous positively charged metal oxide particles or fibers, 5-30% of low-melting-point fibers, 0-30% of an adsorbing material and 0.1-10% of a functional additive.

The porous positively charged metal oxide particles or fibers comprise one or more of alumina, zinc oxide, iron oxide, aluminum hydroxide, iron hydroxide, hydrated alumina, iron oxyhydroxide, aluminum oxyhydroxide, natural zeolite, boehmite, talc, pseudo-boehmite, diatomite, silicate, aluminosilicate, titanate, bone charcoal, calcium hydroxyapatite, manganese oxide, magnesium oxide, perlite and titanium dioxide, or comprise micro/nano sheets, micro/nano rods, micro/nano wires, micro/nano fibers and micro/nano particles, wherein the size of the micro/nano particles is 30 nm-100 mu m, and the specific surface area of the particles is 10-500 m²The fiber diameter is 50 nm-20 mu m, the fiber length is 0.1 mu m-20 mm, and the specific surface area of the fiber is 1-500 m²/g。

The low-melting-point fiber comprises a single-component low-melting-point fiber and a composite-component low-melting-point fiber, wherein the single-component low-melting-point fiber comprises low-melting-point fibers such as polyolefin, polyester, polyamide and the like; the composite component low-melting-point fiber comprises polyolefin composite fiber and polyester composite fiber. The adsorbing material is one or more of powdered activated carbon, granular activated carbon, activated carbon fiber and graphene.

The functional additive is one or more of bacteriostatic agent, scale inhibitor and lead removing agent, wherein the bacteriostatic agent comprises inorganic antibacterial agent, silver antibacterial agent, titanium antibacterial agent, zinc antibacterial agent, organic antibacterial agent, natural antibacterial agent, polymer antibacterial agent, organic-inorganic antibacterial agent, etc.; the scale inhibitor comprises phosphate series, non-phosphate series, natural environment-friendly scale inhibitors and the like.

The above multi-scale micro-nano positively charged composite material will be described in detail below. The multi-scale micro-nano positively charged composite material comprises, by mass, 20-80% of negatively charged fibers, 1-10% of special charged binding material, 0.1-2% of binder and 20-70% of multi-scale micro-nano positively charged metal oxide. The negative charge fibers comprise one or more of natural fibers, artificial fibers, inorganic fibers, synthetic fibers, fibrillated fibers, nanocellulose whiskers, bacterial cellulose, viscose and glass fibers; the special charged adhesive material may be one or more of polyamide polyepichlorohydrin resin, quaternary ammonium resin, chitosan, colloidal silica, silica sol, aluminum sol and melamine formaldehyde; the binder can comprise one or more of polyvinyl alcohol, phenolic resin, polyacrylic acid, starch, modified starch, carboxymethyl cellulose, hydroxymethyl cellulose, hydroxypropyl methyl cellulose, guar gum, sesbania gum powder, carbomer, xanthan gum and hydroxypropyl guar gum; the multi-scale micro-nano positively charged metal oxide may include one or more of alumina, zinc oxide, iron oxide, aluminum hydroxide, iron hydroxide, hydrated alumina, iron oxyhydroxide, aluminum oxyhydroxide, natural zeolite, boehmite, talc, pseudo-boehmite, diatomite, silicate, aluminosilicate, titanate, bone charcoal, calcium hydroxyapatite, manganese oxide, magnesium oxide, perlite, and titanium dioxide, or may include micro/nano-sheets, micro/nano-rods, micro/nano-wires, and micro/nano-particles.

The charged paper is prepared by the following steps:

s1: taking 20-80 wt% of negatively charged fibers, adding a proper amount of water, and quickly stirring and uniformly dispersing to obtain slurry A;

s2: taking 1-10 wt% of special charged binding material, adding a proper amount of water, and quickly stirring to obtain a B dispersion liquid;

s3: mixing 0.1-2 wt% of binder and 20-70 wt% of multi-scale micro-nano positively charged metal oxide, adding a proper amount of water, and quickly stirring to obtain a mixed C dispersion liquid;

s4: mixing 5-30% of low-melting-point fiber, 0-30% of adsorbing material and 0.1-10% of functional additive, adding a proper amount of water, and rapidly stirring to obtain a mixed D dispersion liquid;

s5: uniformly mixing the slurry A obtained in the step S1 and the dispersion liquid B obtained in the step S2 to obtain a mixed liquid E;

s6: the mixed D dispersion liquid obtained in step S4 and the E mixed liquid obtained in step S5 were added to the C dispersion liquid in step S3 to form the above charged paper.

In step S6, the mixed solution may be subjected to high-speed stirring, vacuum filtration, high-temperature drying, and the like to form the charged paper with the micro-nanofiber structure; in the steps, the multi-scale micro-nano positively charged metal oxide can be compositely fixed on the surfaces of the negatively charged fibers and among the fibers by utilizing the combined modes of high-temperature dehydration activation, sol-gel, chemical crosslinking, electrostatic adsorption, physical entanglement and the like, so that the positively charged paper is obtained.

The charged paper prepared by the preparation steps has the following performance parameters:

the utility model discloses a lotus electric paper has nanofiber structure, and specific surface is big, forms zeta electric potential height, and stability is good, can adsorb through its positive charge and get rid of the organic acid salt of aquatic negative charge, and it is efficient to get rid of, and its each mechanical properties data is excellent, satisfies the required mechanical properties of filtration and separation trade better.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The filtering device for removing the organic acid salt in the water is characterized by comprising an upper end cover, a lower end cover and a filtering assembly, wherein a radial supporting piece is arranged between the upper end cover and the lower end cover, the filtering assembly comprises a filtering piece and charged paper with positive electricity, and the filtering piece and the charged paper surround the radial supporting piece.

2. The filtering device for removing organic acid salts from water as claimed in claim 1, wherein the charged paper has a multi-scale micro-nano fiber structure.

3. The filter device for removing organic acid salts from water as claimed in claim 1, wherein the charged paper is disposed around the radial support member in a wound form.

4. The filter device for removing organic acid salts from water as claimed in claim 3, wherein the charged paper wraps the filter element.

5. The filter device for removing organic acid salts from water as claimed in claim 1, wherein the charged paper is disposed around the radial support member in a folded form.

6. The filter device for removing organic acid salts from water as claimed in claim 5, wherein the charged paper has a plurality of folds.

7. The filter device for removing organic acid salts from water as claimed in claim 6, wherein the pleats encapsulate the filter element.

8. The filter device for removing organic acid salts from water as claimed in claim 5, wherein the charged paper is star-shaped.

9. The filter device for removing organic acid salts from water as claimed in claim 1, wherein the charged paper has a zeta potential of 34.95 v.

10. The filter device for removing organic acid salts from water as claimed in claim 1, wherein the charged paper has an average pore size of 2.5 um.