CN104743704A - Post-processed composite filter element and water purifying system containing same - Google Patents

Abstract

The invention discloses a post-treatment composite filter element and a water purification system having the same. The post-treatment composite filter element includes activated carbon fibers wound in order from outside to inside along the radial direction of the post-treatment composite filter element. layer and ultrafiltration inner layer. The post-treatment composite filter element according to the embodiment of the present invention has the advantages of strong odor removal ability, no secondary pollution by microorganisms, not easy to be blocked, and long service life.

Description

Post-processing composite filter element and water purification system with it

technical field

The invention relates to the technical field of electric appliance manufacturing, in particular to a post-treatment composite filter element and a water purification system with the post-treatment composite filter element.

Background technique

The water purification system in the related art uses activated carbon as a post-treatment filter element. Because activated carbon is easy to breed bacteria, some water purification systems use carbon rods and ultrafiltration composite filter elements as post-filters, but carbon rods have limited adsorption performance. , and the black water generated by the initial flushing can easily cause the clogging of the ultrafiltration membrane and shorten the service life of the ultrafiltration membrane.

Contents of the invention

The present invention aims to solve one of the above-mentioned technical problems in the related art at least to a certain extent. Therefore, the present invention proposes a post-treatment composite filter element, which has the advantages of strong ability to remove peculiar smell, no secondary pollution by microorganisms, not easy to be blocked, and long service life.

The invention also proposes a water purification system with the post-treatment composite filter element.

In order to achieve the above object, according to the embodiment of the first aspect of the present invention, a post-treatment composite filter element is proposed, and the post-treatment composite filter element includes sequentially distributed from outside to inside along the radial direction of the post-treatment composite filter element. Activated carbon fiber wrap outer layer and ultrafiltration inner layer.

The post-treatment composite filter element according to the embodiment of the present invention has the advantages of strong odor removal ability, no secondary pollution by microorganisms, not easy to be blocked, and long service life.

In addition, the post-treatment composite filter element according to the present invention can also have the following additional technical features:

According to an embodiment of the present invention, the ultrafiltration inner layer is a polyethersulfone layer, a polypropylene layer, a polyacrylonitrile layer, a polyvinyl chloride layer, a polysulfone layer or a polyvinylidene fluoride layer.

According to the embodiment of the second aspect of the present invention, a water purification system is proposed, and the water purification system includes: a fine filter element, the fine filter element has a raw water inlet, a pure water outlet and a concentrated water outlet; the raw water inlet water pipe, the raw water inlet pipe is connected to the raw water inlet and the water source respectively; the pure water outlet pipe is connected to the pure water outlet; the concentrated water outlet pipe is connected to the concentrated water outlet pipe The concentrated water outlets are connected; according to the post-processing composite filter element described in the embodiment of the first aspect of the present invention, the post-processing composite filter element is arranged on the pure water outlet pipe; the water inlet control valve, the The water inlet control valve is arranged on the raw water inlet pipe; the waste water ratio control valve is arranged on the concentrated water outlet pipe.

The water purification system according to the embodiment of the present invention has the advantages of no peculiar smell in the effluent, no secondary pollution by microorganisms, long service life, and the like.

According to an embodiment of the present invention, the water purification system further includes a pre-filter element, the pre-filter element is arranged on the raw water inlet pipe and located between the water inlet control valve and the fine filter element.

According to an embodiment of the present invention, the water purification system further includes a pretreatment filter element, and the pretreatment filter element is arranged on the raw water inlet pipe and located between the water source and the water inlet control valve.

According to an embodiment of the present invention, the water purification system further includes a booster pump, and the booster pump is arranged on the raw water inlet pipe and located between the water inlet control valve and the pre-filter element.

According to an embodiment of the present invention, the fine filter element is a reverse osmosis filter element, the pre-filter element is an activated carbon filter element, and the pretreatment filter element is a polypropylene cotton filter element.

According to an embodiment of the present invention, the pure water outlet pipe is connected with a water storage tank connection pipe, and the water storage tank connection pipe is located between the fine filter element and the post-treatment composite filter element.

According to an embodiment of the present invention, the pure water outlet pipe is provided with a one-way valve that only allows the water in the fine filter element to flow out through the pure water outlet pipe, and the one-way valve is located at the Between the tank connection pipe and the fine filter element.

According to an embodiment of the present invention, both the water inlet control valve and the waste water ratio control valve are solenoid valves.

Description of drawings

Fig. 1 is a schematic structural view of a post-treatment composite filter element according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a water purification system according to an embodiment of the present invention.

Reference signs: water purification system 1, water source 2, fine filter element 10, raw water inlet 11, pure water outlet 12, concentrated water outlet 13, raw water inlet pipe 20, pure water outlet pipe 30, concentrated water outlet pipe 40 , post-treatment composite filter element 50, activated carbon fiber winding outer layer 51, ultrafiltration inner layer 52, water inlet control valve 60, waste water ratio control valve 70, pre-filter element 80, pretreatment filter element 90, booster pump 100, storage Water tank connection pipe 110, one-way valve 120.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

The post-processing composite filter element 50 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1 , the post-treatment composite filter element 50 according to the embodiment of the present invention includes an activated carbon fiber wound outer layer 51 and an ultrafiltration inner layer 52 distributed sequentially from outside to inside along the radial direction of the post-treatment composite filter element 50 .

According to the post-treatment composite filter element 50 of the embodiment of the present invention, the activated carbon fiber winding outer layer 51 and the ultrafiltration inner layer 52 are sequentially integrated inside from the outside to the inside. Before the user uses water, the water passes through the post-treatment composite filter element 50 sequentially. The activated carbon fiber wound outer layer 51 and the ultrafiltration inner layer 52, the activated carbon fiber wound outer layer 51 can absorb the peculiar smell in the water, and the ultrafiltration inner layer 52 can intercept the water storage tank and the activated carbon fiber wound outer layer 51. Bacteria, so that the effluent of the water purification system has neither peculiar smell nor secondary pollution of microorganisms. Moreover, the outer layer 51 is wrapped with activated carbon fibers, and no flushing is required during initial use, thereby avoiding clogging of the inner ultrafiltration layer 52 and improving the service life of the inner ultrafiltration layer 52 . In addition, the activated carbon fiber winding outer layer 51 has stronger adsorption activity and larger adsorption capacity, especially better than carbon rods and activated carbon particles in the adsorption capacity for organic matter. Therefore, the post-treatment composite filter element 50 according to the embodiment of the present invention has the advantages of strong ability to remove peculiar smell, no secondary pollution by microorganisms, not easy to be blocked, and long service life.

Optionally, the ultrafiltration inner layer 52 can be polyethersulfone layer, polypropylene (PP) layer, polyacrylonitrile (PAN) layer, polyvinyl chloride (PVC) layer, polysulfone (PS) layer or polyvinylidene fluoride (PVDF) layer.

A water purification system 1 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in Figure 2, the water purification system 1 according to the embodiment of the present invention includes a fine filter element 10, a raw water inlet pipe 20, a pure water outlet pipe 30, a concentrated water outlet pipe 40, a post-processing composite filter element 50, and a water inlet control valve 60 and waste water ratio control valve 70.

The fine filter element 10 has a raw water inlet 11 , a pure water outlet 12 and a concentrated water outlet 13 . The raw water inlet pipe 20 is connected with the raw water inlet 11 and the water source 2 respectively. The pure water outlet pipe 30 is connected to the pure water outlet 12 . The concentrated water outlet pipe 40 is connected to the concentrated water outlet 13 . The post-processing composite filter element 50 is arranged on the pure water outlet pipe 30 . The water inlet control valve 60 is arranged on the raw water inlet pipe 20 . The waste water ratio control valve 70 is arranged on the concentrated water outlet pipe 40 .

According to the water purification system 1 of the embodiment of the present invention, by using the post-treatment composite filter element 50 according to the embodiment of the first aspect of the present invention, it has the advantages of no peculiar smell in the effluent, no secondary pollution of microorganisms, and long service life.

A water purification system 1 according to a specific embodiment of the present invention will be described below with reference to the accompanying drawings.

In some specific embodiments of the present invention, as shown in FIG. 2 , the water purification system 1 according to the embodiment of the present invention includes a fine filter element 10, a raw water inlet pipe 20, a pure water outlet pipe 30, a concentrated water outlet pipe 40, a rear Set treatment composite filter element 50, water inlet control valve 60 and waste water ratio control valve 70.

Further, the water purification system 1 further includes a pre-filter 80 and a pre-treatment filter 90 . The pre-filter element 80 is arranged on the raw water inlet pipe 20 and is located between the water inlet control valve 60 and the fine filter element 10 . The pretreatment filter element 90 is arranged on the raw water inlet pipe 20 and located between the water source 2 and the water inlet control valve 60 . Thus, the pretreatment filter element 90 and the pre-filter element 80 can be used to coarsely filter the water before entering the fine filter element 10 , which can improve the quality of the effluent water and improve the service life of the fine filter element 10 on the other hand.

Advantageously, as shown in FIG. 2 , the water purification system 1 further includes a booster pump 100 , the booster pump 100 is arranged on the raw water inlet pipe 20 and is located between the water inlet control valve 60 and the pre-filter 80 for increasing the The water flow pressure of the water coarsely filtered by the pre-treatment filter element 90 and the pre-filter element 80 .

In some specific examples of the present invention, as shown in FIG. 2 , a water storage tank connection pipe 110 is connected to the pure water outlet pipe 30 , and the water storage tank connection pipe 110 is located between the fine filter element 10 and the post-treatment composite filter element 50 , for connection to the water storage tank. In this way, the pure water flowing out from the fine filter element 10 can be divided, and when water is not needed, the obtained pure water can be input into the water storage tank.

Further, the pure water outlet pipe 30 is provided with a one-way valve 120, and the one-way valve 120 is located between the water storage tank connecting pipe 110 and the fine filter element 10, and the one-way valve 120 only allows the water in the fine filter element 10 to pass through the pure water. The water outlet pipe 30 flows out, thereby preventing the water in the water storage tank from flowing back to the fine filter element 10 .

In some specific embodiments of the present invention, the fine filter element 10 is a reverse osmosis filter element, the pre-filter element 80 is an activated carbon filter element, and the pretreatment filter element 90 is a polypropylene cotton filter element.

Optionally, both the water inlet control valve 60 and the waste water ratio control valve 70 are solenoid valves.

Other configurations and operations of the water purification system 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (10)

1. a postpositive disposal composite filter element, is characterized in that, comprises the outer and ultrafiltration internal layer of activated carbon fiber winding that the radial direction along described postpositive disposal composite filter element distributes from outside to inside successively.

2. postpositive disposal composite filter element according to claim 1, is characterized in that, described ultrafiltration internal layer is polyethersulfon layer, polypropylene layer, polypropylene nitrile layer, polyvinyl chloride layer, polysulfones layer or polyvinylidene fluoride layer.

3. a water cleaning systems, is characterized in that, comprising:

Essence filter core, described smart filter core has raw water inlet, pure water water outlet and condensed water water outlet;

Former water water inlet pipe, described former water water inlet pipe is connected with water source with described raw water inlet respectively;

Pure water rising pipe, described pure water rising pipe is connected with described pure water water outlet;

Condensed water rising pipe, described condensed water rising pipe is connected with described condensed water water outlet;

Postpositive disposal composite filter element according to claim 1 and 2, described postpositive disposal composite filter element is located on described pure water rising pipe;

Water inlet control valve, described water inlet control valve is located on described former water water inlet pipe;

Waste water ratio control valve, described waste water ratio control valve is located on described condensed water rising pipe.

4. water cleaning systems according to claim 3, is characterized in that, also comprises preposition filter core, and described preposition filter core to be located on described former water water inlet pipe and between described water inlet control valve and described smart filter core.

5. water cleaning systems according to claim 4, is characterized in that, also comprises preprocessing filter element, and described preprocessing filter element to be located on described former water water inlet pipe and between described water source and described water inlet control valve.

6. water cleaning systems according to claim 4, is characterized in that, also comprises topping-up pump, and described topping-up pump to be located on described former water water inlet pipe and between described water inlet control valve and described preposition filter core.

7. water cleaning systems according to claim 5, is characterized in that, described smart filter core is reverse osmosis filter core, and described preposition filter core is active carbon filter core, and described preprocessing filter element is the cotton filter core of polypropylene.

8. water cleaning systems according to claim 3, is characterized in that, described pure water rising pipe is connected with water tank pipe connecting, and described water tank pipe connecting is between described smart filter core and described postpositive disposal composite filter element.

9. water cleaning systems according to claim 8, it is characterized in that, described pure water rising pipe is provided with the check valve only allowing the water in described smart filter core to be flowed out by described pure water rising pipe, and described check valve is between described water tank pipe connecting and described smart filter core.

10. the water cleaning systems according to any one of claim 3-9, is characterized in that, described water inlet control valve and described waste water ratio control valve are magnetic valve.