CN215886579U - Composite filter element and water purifier that side was intake - Google Patents

Abstract

The utility model discloses a composite filter element with side water inlet and a water purifier. The composite filter element may include: the side wall of the central tube is provided with a plurality of through holes and an N-page composite filter material membrane group; the central tube is provided with a pure water outlet end; the N-leaf composite filter material membrane group is wound on the central tube in sequence, the inner-leaf composite filter material membrane group comprises a rear carbon-containing filter layer and a reverse osmosis membrane filter layer which are sequentially far away from the central tube, the outer-leaf composite filter material membrane group comprises a rear carbon-containing filter layer, a reverse osmosis membrane filter layer, a front carbon-containing filter layer and a coarse filter layer which are sequentially far away from the central tube, the side end of the coarse filter layer is a water inlet end, and one end of the reverse osmosis membrane filter layer, which is located on the same side with a pure water outlet end, is a waste water outlet end. The composite filter element has the characteristics of improving the performance of the filter element, simplifying the water path design, facilitating the miniaturization design, saving energy, reducing emission, improving the water leakage risk, reducing the design difficulty and the labor assembly cost of the composite filter element, reducing the quality risk, the production cost, the production efficiency and the like of the composite filter element.

Description

Composite filter element and water purifier that side was intake

Technical Field

The utility model relates to the technical field of water purification treatment, in particular to a composite filter element with side water inlet and a water purifier.

Background

The existing water purifier is generally provided with 4 filter elements, namely a polypropylene (PP) filter element, a preposed activated carbon filter element, a Reverse Osmosis (RO) membrane filter element and a postposition activated carbon filter element.

The water inlet mode commonly used in the current reverse osmosis membrane filter element is end surface water inlet, water is drained to the surface of the membrane from a dense water separation net on the end surface of an RO membrane, a reverse osmosis phenomenon is formed through pressurization, and pure water is generated after partial soluble salt is removed after raw water passes through a membrane and is drained to a central tube through a pure water diversion cloth. The concentrated water is discharged from the other end face of the RO membrane to the outside of the filter element.

However, when the water purifier adopted a great amount of filter cores, the overall volume that can lead to the water purifier was great, be unfavorable for the miniaturized design of equipment, still can consume a large amount of materials, be unfavorable for energy saving and emission reduction, still there is a large amount of material matching problem, the risk aggravation of leaking, and the design degree of difficulty of many filter cores, manpower assembly cost are all great, quality risk point is more, in addition, because the reverse osmosis membrane filter core adopts the terminal surface when intaking less, the efficiency of intaking reduces, be unfavorable for improving the drainage performance of reverse osmosis membrane filter core.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to solve the problems of the existing water purifier, and provides the composite filter element and the water purifier with the side water inlet function, wherein the composite filter element has the characteristics of effectively improving the performance of the composite filter element, facilitating the miniaturization design of the composite filter element, facilitating the energy conservation and emission reduction, effectively improving the water leakage risk of the composite filter element, reducing the design difficulty of the composite filter element, reducing the manual assembly cost of the composite filter element, reducing the quality risk of the composite filter element and the like.

In a first aspect, an embodiment of the present invention provides a composite filter element with water entering from a side surface, including:

the side wall of the central tube is provided with a plurality of through holes, and the central tube is provided with a pure water outlet end;

n pages of composite filter material membrane groups, wherein N is an integer greater than or equal to 1; n pages of the composite filter material membrane groups are sequentially wound around the central pipe; wherein if N is equal to 1, the composite filter material membrane group comprises a post-positioned carbon-containing filter layer, a reverse osmosis membrane filter layer, a pre-positioned carbon-containing filter layer and a coarse filter layer which are sequentially far away from the central tube, or, if N is more than or equal to 2, the 1 st page of the central tube is sequentially kept away from the composite filtering material membrane group to the N-1 st page of the composite filtering material membrane group, the composite filtering material membrane group comprises a rear carbon-containing filtering layer and a reverse osmosis membrane filtering layer which are sequentially kept away from the central tube, the N th page of the composite filtering material membrane group comprises a rear carbon-containing filtering layer, a reverse osmosis membrane filtering layer, a front carbon-containing filtering layer and a coarse filtering layer which are sequentially kept away from the central tube, the side of the coarse filter layer is a water inlet end, and one end of the reverse osmosis membrane filter layer, which is located on the same side with the pure water outlet end, is a wastewater discharge end.

In the composite filter element with side water inlet provided by the embodiment of the utility model, a side water inlet mode is adopted, and compared with the existing multi-filter element adopting end water inlet, the water flow direction of the composite filter element can be optimized, the water inlet area of the composite filter element can be increased, so that the water inlet efficiency of the composite filter element can be increased, the filter element performance of the composite filter element can be effectively improved, and the water path design of the composite filter element can be simplified.

In the composite filter element with water entering from the side surface, which is provided by the embodiment of the utility model, as the multiple filter elements are compounded into the single filter element, the purpose of compounding the performance of all the filter elements by the single filter element can be realized, the overall volume of the composite filter element can be reduced, the miniaturization design of the composite filter element is facilitated, compared with the multiple filter elements, a large amount of materials can be saved, the energy conservation and emission reduction are facilitated, the material matching problem can be reduced, the water leakage risk of the composite filter element can be effectively improved, the design difficulty of the composite filter element can be reduced, the manpower assembly cost of the composite filter element can be effectively reduced, and the quality risk of the composite filter element can be effectively reduced.

In the composite filter element with water entering from the side surface, which is provided by the embodiment of the utility model, because each sheet of composite filter material membrane group is manufactured by adopting a rolling process, only the required filter material is added in the rolling process without changing the original machine structure, the composite filter element can be quickly manufactured under the existing equipment, the simplified manufacturing of the composite filter element can be realized, the composite filter element only needs to be manufactured in the rolling process, the complex structure assembly of a large amount of materials is not required, and the production cost and the production efficiency of the composite filter element can be effectively reduced.

Optionally, page N among the composite filter material membrane group, leading carbon-containing filter layer is attached the reverse osmosis membrane filter layer deviates from one side of rearmounted carbon-containing filter layer, thick filter layer is attached at leading carbon-containing filter layer and deviates from one side of reverse osmosis membrane filter layer.

Optionally, the post-carbon-containing filter layer comprises one piece of carbon fiber cloth or a plurality of pieces of carbon fiber cloth laminated with each other.

Optionally, the post-carbon-containing filter layer comprises carbon fiber cloth and pure water guide cloth; the carbon fiber cloth is spliced with the pure water flow guide cloth, the carbon fiber cloth is close to the central pipe, or the carbon fiber cloth and the pure water flow guide cloth are laminated, and the carbon fiber cloth and the pure water flow guide cloth are sequentially far away from the central pipe.

Optionally, the coarse filter layer is a polypropylene filter layer.

Optionally, the coarse filtration layer comprises a melt blown polypropylene cloth.

Optionally, the pre-carbon-containing filter layer is an activated carbon filter layer.

Optionally, the reverse osmosis membrane filtration layer comprises two reverse osmosis membranes and a concentrated water separation net;

the desalination layers of the two reverse osmosis membranes are arranged oppositely, and the concentrated water separation net is arranged between the two reverse osmosis membranes.

Optionally, the reverse osmosis membrane filter layer comprises a U-shaped reverse osmosis membrane and a concentrated water separation net;

the inner side of the U-shaped reverse osmosis membrane is a desalting layer, and the concentrated water separation net is arranged in the U-shaped reverse osmosis membrane.

Compared with the prior art, the composite filter element with the side water inlet provided by the embodiment I has the characteristics of effectively improving the filter element performance of the composite filter element, simplifying the water path design of the composite filter element, facilitating the miniaturization design of the composite filter element, facilitating energy conservation and emission reduction, effectively improving the water leakage risk of the composite filter element, reducing the design difficulty of the composite filter element, reducing the manual assembly cost of the composite filter element, reducing the quality risk of the composite filter element, reducing the production cost and the production efficiency of the composite filter element and the like.

In a second aspect, an embodiment of the present invention further provides a water purifier, including: the side-entry composite filter element according to the first aspect.

The water purifier according to the second aspect has the advantageous effects of the side-inlet composite filter element according to the first aspect.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of a side-entry composite filter element according to an embodiment of the present invention;

fig. 2 is an expanded schematic view of a page N composite filter material membrane group in the composite filter element with water entering from the side provided by the embodiment of the utility model.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with certain aspects of the present disclosure.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The shapes and sizes of the various elements in the drawings are not to be considered true scale, but are merely illustrative of the implementations described in the exemplary embodiments below.

Example one

With reference to fig. 1 and 2, a composite filter element with water entering from the side is provided in the first embodiment, and includes a central tube 5 and N sheets of composite filter material membrane groups, where N is an integer greater than or equal to 1. Wherein:

the side wall of the central tube 5 is provided with a plurality of through holes, and the central tube 5 is provided with a pure water outlet end 100.

The N pages of the membrane groups of the composite filter materials can be wound around the central tube 5 in sequence. Wherein, if N equals 1, then, this composite filter material membrane group can include the rearmounted carbonous filter layer 4, reverse osmosis membrane filter layer 3, leading carbonous filter layer 2 and the coarse filtration layer 1 of keeping away from center tube 5 in proper order. Or, if N is greater than or equal to 2, any one of the 1 st to N-1 st composite filter material membrane groups sequentially away from the central tube 5 may include a rear carbon-containing filter layer 4 and a reverse osmosis membrane filter layer 3 sequentially away from the central tube 5, and the nth composite filter material membrane group may include a rear carbon-containing filter layer 4, a reverse osmosis membrane filter layer 3, a front carbon-containing filter layer 2 and a coarse filter layer 1 sequentially away from the central tube 5. That is to say, the composite filter material membrane group of the outer page of the composite filter element with side water inflow comprises four filter layers of a post-carbon-containing filter layer 4, a reverse osmosis membrane filter layer 3, a pre-carbon-containing filter layer 2 and a coarse filter layer 1, and the composite filter material membrane group of the inner page comprises two filter layers of the post-carbon-containing filter layer 4 and the reverse osmosis membrane filter layer 3.

Alternatively, the side end of the coarse filter layer 1 may be a water inlet end, and the end of the reverse osmosis membrane filter layer 3 located on the same side as the pure water outlet end 100 is a wastewater outlet end 200.

The working principle of the composite filter element with side water inlet provided by the first embodiment can be as follows:

because this composite filter does not have the casing, and rearmounted carboncus filtration layer 4, reverse osmosis membrane filter layer 3, leading carboncus filtration layer 2 and coarse filtration layer 1 all possess the water permeability, and the raw water can directly get into this coarse filtration layer 1 from the side of the coarse filtration layer 1 of the composite filter material membrane group of outer page or leaf earlier and filter, filters large granule material such as silt, suspended solid in the raw water. Pure water obtained by filtering through the coarse filtering layer 1 of the composite filtering material membrane group of the outer page can enter the front carbon-containing filtering layer 2 from the side end of the front carbon-containing filtering layer 2 of the composite filtering material membrane group of the outer page for filtering, so that oxidizing substances such as residual chlorine and chloramine in the pure water can be removed, and meanwhile, organic matters in the pure water can be adsorbed. Then, pure water obtained by filtering through the front carbon-containing filter layer 2 can enter the reverse osmosis membrane filter layer 3 from the side end of the reverse osmosis membrane filter layer 3 of the composite filter material membrane group of any page for filtering, and bacteria and soluble salts in the pure water can be removed. Pure water obtained by filtering through the reverse osmosis membrane filtering layer 3 of any page of composite filtering material membrane group can enter the rear carbon-containing filter element 4 from the side end of the rear carbon-containing filter element 4 of any page of composite filtering material membrane group for filtering, and the taste and the pH value of the pure water can be adjusted; the concentrated water obtained by filtering through the reverse osmosis membrane filter layer 3 of any one page of the composite filter material membrane group can be discharged from the waste water discharge end 200 of the reverse osmosis membrane filter layer 3. Pure water obtained by filtering through the rear carbon-containing filter element 4 of any one page of composite filter material membrane group can flow to the central tube 5 from a through hole at the side end of the central tube 5 and is discharged from a pure water discharge end 100 of the central tube 5.

In the composite filter element of side intaking that embodiment one provided, adopt the mode of side intaking, compare in current many filter cores and adopt the terminal surface to intake, can optimize composite filter element's rivers direction, can improve composite filter element's the area of intaking to can improve composite filter element's the efficiency of intaking, thereby can effectively improve composite filter element's filter core performance, can also simplify composite filter element's water route design.

In the composite filter element that side was intake that the embodiment provided, owing to adopt the multiple filter core to compound into single filter core, can realize the purpose of the performance of the compound whole filter cores of single filter core, can also reduce composite filter core's overall volume, be favorable to composite filter core's miniaturized design, for multiple filter core, can save a large amount of materials, be convenient for energy saving and emission reduction, can reduce material matching problem, can effectively improve composite filter core's the risk of leaking, can also reduce composite filter core's the design degree of difficulty, can effectively reduce composite filter core's manpower assembly cost, thereby can effectively reduce composite filter core's quality risk.

In the composite filter element with water entering from the side surface, because each sheet of composite filter material membrane group is made by adopting a rolling process, only required filter materials are added in the rolling process without changing the original machine structure, the composite filter element can be quickly prepared under the existing equipment, the simplified manufacture of the composite filter element can be realized, the composite filter element only needs to be manufactured in the rolling process, the complex structure assembly of a large amount of materials is not needed, and the production cost and the production efficiency of the composite filter element can be effectively reduced.

Optionally, as shown in fig. 1 and fig. 2, in the nth page of composite filter material membrane group, the front carbon-containing filter layer 2 may be attached to one side of the reverse osmosis membrane filter layer 3 departing from the rear carbon-containing filter layer 4, and the coarse filter layer 1 may be attached to one side of the front carbon-containing filter layer 2 departing from the reverse osmosis membrane filter layer 3, so as to further reduce the volume of the composite filter element with side water inflow and improve the filtration efficiency of the composite filter element with side water inflow. In specific realization process, leading carbonous filter layer 2 can depend on in the 3 outsides of reverse osmosis membrane filter layer through the mode of system with coarse filter layer 1, and leading carbonous filter layer 2 can depend on in the 3 outsides of reverse osmosis membrane filter layer through the mode of system promptly, and coarse filter layer 1 can depend on leading carbonous filter layer 2 through the mode of system.

Alternatively, in an example, as shown in fig. 1 and fig. 2, the post-carbon-containing filter layer 4 may include an activated carbon filter layer, or may also include one piece of carbon fiber cloth or a plurality of pieces of carbon fiber cloth stacked on each other, and the embodiment of the present invention is not limited thereto. In concrete realization, because the volume of carbon fiber cloth is less compared in the active carbon filter layer, in order to satisfy taste, the pH value that the rearmounted carbonless filter layer 4 adjusted the pure water, when further reducing composite filter's volume, can select carbon fiber cloth for use with rearmounted carbonless filter layer 4 setting.

Alternatively, in another example, as shown in fig. 1 and 2, the post-carbon-containing filter layer 4 may include a carbon fiber cloth and a pure water guide cloth. Specifically, the carbon fiber cloth and the pure water diversion cloth can be spliced to form a rear carbon-containing filter layer 4, wherein the carbon fiber cloth is close to the central tube 5. Or, the carbon fiber cloth may also be laminated with the pure water guide cloth, wherein the carbon fiber cloth and the pure water guide cloth may be sequentially away from the central tube 5 for guiding the pure water filtered by the carbon fiber cloth. In this example, the use of carbon fiber cloth can be saved.

Alternatively, as shown in fig. 1 and fig. 2, the coarse filter layer 1 may be a polypropylene filter layer, which can function as a pre-polypropylene filter element in the existing multi-filter element, i.e. filter large particulate matters such as silt, suspended matters, etc. in the raw water. In particular, the coarse filter layer 1 may comprise a melt-blown polypropylene cloth, which facilitates further reduction of the volume of the composite filter element.

Alternatively, as shown in fig. 1 and fig. 2, the pre-carbon filter layer 2 may be an activated carbon filter layer, which can function as a pre-activated carbon filter element in a conventional multi-filter element, that is, remove oxidizing substances such as residual chlorine and chloramine from pure water.

Alternatively, in one example, as shown in connection with fig. 1 and 2, the reverse osmosis membrane filtration layer 3 may include two sheets of reverse osmosis membranes and a concentrate spacer mesh. Specifically, the desalination layers of the two reverse osmosis membranes can be arranged relatively, and pure water and concentrated water obtained after the filtration of the two reverse osmosis membranes can be separated, so that the pure water and the concentrated water can be prevented from being mixed. The dense water separation net can be arranged between the two reverse osmosis membranes, so that the problem that the reverse osmosis membrane filtration efficiency is too slow due to the fact that the two reverse osmosis membranes are tightly attached to each other is solved.

Alternatively, in another example, as shown in fig. 1 and 2 in combination, the reverse osmosis membrane filtration layer 3 may include a U-shaped reverse osmosis membrane and a concentrate water separation mesh. Specifically, the inner side of the U-shaped reverse osmosis membrane is a desalting layer which can separate the concentrated water and the pure water obtained after the U-shaped reverse osmosis membrane is filtered, so that the pure water and the concentrated water can be prevented from being mixed. The concentrated water separation net can be arranged in the U-shaped reverse osmosis membrane, so that the problem that the filtering efficiency of the U-shaped reverse osmosis membrane is too slow due to the fact that the two sides of the U-shaped reverse osmosis membrane are tightly attached is prevented.

Compared with the prior art, the composite filter element with the side water inlet provided by the embodiment I has the characteristics of effectively improving the filter element performance of the composite filter element, simplifying the water path design of the composite filter element, facilitating the miniaturization design of the composite filter element, facilitating energy conservation and emission reduction, effectively improving the water leakage risk of the composite filter element, reducing the design difficulty of the composite filter element, reducing the manual assembly cost of the composite filter element, reducing the quality risk of the composite filter element, reducing the production cost and the production efficiency of the composite filter element and the like.

Example two

The second embodiment provides a water purifier, and the water purifier can comprise the composite filter element with the side water inlet provided by the first embodiment.

As the composite filter element with water entering from the side surface provided in the first embodiment can combine the performance of multiple filter elements on a single filter element, compared with the existing water purifier, the volume of the water purifier can be greatly reduced, and other corresponding technical effects can be obtained by referring to the description of the first embodiment, which is not repeated herein.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. The utility model provides a composite filter core of side intaking which characterized in that includes:

the side wall of the central tube is provided with a plurality of through holes, and the central tube is provided with a pure water outlet end;

n pages of composite filter material membrane groups, wherein N is an integer greater than or equal to 1; n pages of the composite filter material membrane groups are sequentially wound around the central pipe; wherein if N is equal to 1, the composite filter material membrane group comprises a post-positioned carbon-containing filter layer, a reverse osmosis membrane filter layer, a pre-positioned carbon-containing filter layer and a coarse filter layer which are sequentially far away from the central tube, or, if N is more than or equal to 2, the 1 st page of the central tube is sequentially kept away from the composite filtering material membrane group to the N-1 st page of the composite filtering material membrane group, the composite filtering material membrane group comprises a rear carbon-containing filtering layer and a reverse osmosis membrane filtering layer which are sequentially kept away from the central tube, the N th page of the composite filtering material membrane group comprises a rear carbon-containing filtering layer, a reverse osmosis membrane filtering layer, a front carbon-containing filtering layer and a coarse filtering layer which are sequentially kept away from the central tube, the side of the coarse filter layer is a water inlet end, and one end of the reverse osmosis membrane filter layer, which is located on the same side with the pure water outlet end, is a wastewater discharge end.

2. The composite filter element of claim 1, wherein in page N of said composite filter material membrane stack, said pre-carbon-containing filtration layer is attached to a side of said reverse osmosis membrane filtration layer facing away from said post-carbon-containing filtration layer, and said coarse filtration layer is attached to a side of said pre-carbon-containing filtration layer facing away from said reverse osmosis membrane filtration layer.

3. The composite filter element of claim 1, wherein the post-carbon-containing filter layer comprises one sheet of carbon fiber cloth or a plurality of sheets of carbon fiber cloth laminated to each other.

4. The composite filter element of claim 1, wherein the post-carbon-containing filter layer comprises a carbon fiber cloth and a pure water flow guide cloth; the carbon fiber cloth is spliced with the pure water flow guide cloth, the carbon fiber cloth is close to the central pipe, or the carbon fiber cloth and the pure water flow guide cloth are laminated, and the carbon fiber cloth and the pure water flow guide cloth are sequentially far away from the central pipe.

5. The composite filter element of claim 1, wherein the coarse filtration layer is a polypropylene filtration layer.

6. The composite filter element of claim 5, said coarse filtration layer comprising a melt blown polypropylene cloth.

7. The composite filter element of claim 1, wherein the pre-carbon-containing filter layer is an activated carbon filter layer.

8. The composite filter element of any one of claims 1-7, wherein the reverse osmosis membrane filtration layer comprises two reverse osmosis membranes and a concentrate spacer screen;

the desalination layers of the two reverse osmosis membranes are arranged oppositely, and the concentrated water separation net is arranged between the two reverse osmosis membranes.

9. The composite filter element of any one of claims 1-7, wherein the reverse osmosis membrane filtration layer comprises a U-shaped reverse osmosis membrane and a concentrate spacer screen;

the inner side of the U-shaped reverse osmosis membrane is a desalting layer, and the concentrated water separation net is arranged in the U-shaped reverse osmosis membrane.

10. A water purifier characterized by the composite filter element according to any one of claims 1 to 9.

Images