CN108840485B

CN108840485B - Leading filtration system of drinking water

Info

Publication number: CN108840485B
Application number: CN201811006367.9A
Authority: CN
Inventors: 邝德昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-30
Filing date: 2018-08-30
Publication date: 2021-10-22
Anticipated expiration: 2038-08-30
Also published as: CN108840485A; WO2020042509A1

Abstract

The invention relates to a drinking water pre-filtering system, which belongs to the technical field of water purifying equipment and comprises a shell, wherein a water inlet pipe, an ultrafiltration unit, a resin filtering unit, an active carbon filtering unit, a composite active carbon filtering unit and a post-carbon filtering unit are sequentially arranged on the shell according to the water flow direction, a three-way joint is arranged between the composite active carbon filtering unit and the post-carbon filtering unit, a water inlet of the three-way joint is connected with the composite active carbon filtering unit through a pipeline, one water outlet of the three-way joint is communicated with the post-carbon filtering unit through a pipeline, the other water outlet of the three-way joint is connected with a pressure sensing pipeline, and one end, far away from the three-way joint, of the pressure sensing pipeline is provided with a low-pressure sensor. According to the technical scheme, the effect of purifying water quality is realized by filtering harmful substances such as rust, bacteria, organic matters, heavy metals and acid radical ions in the drinking water through each filtering unit, and meanwhile, the taste of the water is improved through the post-carbon filtering unit, so that the water purifying device is safe, environment-friendly and good in sanitation.

Description

Leading filtration system of drinking water

Technical Field

The invention relates to a front-mounted drinking water filtering system, and belongs to the technical field of water purifying equipment.

Background

The water purifier is water treatment equipment for deeply filtering and purifying water according to the use requirement of water. The water purifier can effectively filter rust, sand, colloid in water and adsorb chemical agents such as residual chlorine, odor, abnormal color, pesticide and the like in water. Can effectively remove the impurities such as bacteria, germs, toxins, heavy metals and the like in the water. The application of water purification technology in the field of drinking water enables the phenomenon of 'water and soil are not uniform' to become history quickly, and the problem that the local diseases are caused by the exceeding of harmful substances in underground water in many places is effectively solved. Meanwhile, tap water or underground water sources are easily subjected to secondary pollution caused by various reasons, drinking water is filtered, and harmful substances such as sand rust, bacteria and the like can be effectively blocked and filtered. However, if the filter element material is not replaced in time after long-term use, secondary or tertiary water pollution can be caused, which damages the drinking water health of people. Meanwhile, as the main water pipe is mainly made of metal or plastic materials for supplying water, after the water pipe is used for a period of time, rust, sand, mud and the like are polluted, the water pipe is easy to age, burst and leak, normal life is influenced, and property loss is caused.

Disclosure of Invention

In order to solve the problems in the prior art, the embodiment of the invention provides a drinking water pre-filtering system, drinking water is filtered by a plurality of filtering units, the water quality after filtering is good in sanitation, and the drinking water is healthy and safe for household use. The specific technical scheme is as follows:

the utility model provides a leading filtration system of drinking water, includes the casing, inlet tube, ultrafiltration unit, resin filter unit, active carbon filter unit, compound active carbon filter unit, rearmounted carbon filter unit have set gradually according to the rivers direction on the casing, be provided with three way connection between compound active carbon filter unit and the rearmounted carbon filter unit, three way connection's water inlet with compound active carbon filter unit tube coupling, one of them delivery port of three way connection with rearmounted carbon filter unit pipeline intercommunication, be connected with the forced induction pipeline on another delivery port of three way connection, the one end of keeping away from three way connection on the forced induction pipeline is provided with the low pressure inductor.

As an improvement of the technical scheme, a flow meter is arranged between the water inlet pipe and the ultrafiltration unit.

As an improvement of the technical scheme, one side of the ultrafiltration unit is also provided with a manual sewage draining outlet.

As an improvement of the technical scheme, an ultrafiltration unit fixing seat for fixing the ultrafiltration unit is arranged on the shell.

As an improvement of the technical scheme, the shell is also provided with a fixing frame for fixing the rear carbon filtering unit.

As an improvement of the technical scheme, the shell is provided with a protective cover, and the ultrafiltration unit and the rear carbon filtration unit are positioned inside the shell and the protective cover.

As the improvement of above-mentioned technical scheme, resin filter unit top is provided with resin filter unit upper cover, resin filter unit upper cover is provided with filter unit water inlet and filter unit delivery port, the inside porous filter screen that is provided with of resin filter unit, porous filter screen has the clearance with resin filter unit inner wall, the intussuseption of porous filter screen is filled with the resin filter material, porous filter screen top has the filter screen and connects, the filter screen connects and filter unit water inlet intercommunication.

As an improvement of the technical scheme, one end of the porous filter screen, which is far away from the filter screen joint, is provided with a groove.

As an improvement of the technical scheme, the soft water-permeable cushion layer is wound on the surfaces of the groove and the porous filter screen.

As an improvement of the technical scheme, a KDF filtering unit is also arranged behind the post-carbon filtering unit.

The technical scheme has the following two functions:

(1) the effect of purifying water quality is realized by each filtering unit on harmful substances such as rust, bacteria, organic matters, heavy metals, acid radical ions and the like in the drinking water, and meanwhile, the taste is improved by the post-carbon filtering unit, so that the device is safe, environment-friendly and good in sanitation;

(2) this filtration system can set up a plurality of sensors, carries out real-time supervision to quality of water TDS value, ORP value to have the early warning function of leaking, utilize control chip can be with the data transmission after handling to the display structure of display screen class on, also can transmit computer, cell-phone or server through wireless transmission mode on, the corresponding information of real-time display, convenient management maintenance.

Drawings

Fig. 1 is a schematic structural diagram of a drinking water prefilter system according to an embodiment of the present invention.

Fig. 2 is a schematic view of an internal structure of a drinking water prefiltering system according to an embodiment of the present invention after a protective cover is removed.

FIG. 3 is a flow chart illustrating filtering of each unit in the system according to an embodiment of the present invention.

Fig. 4 is a schematic view of the internal structure of a resin filtration unit according to a third embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the specific embodiments.

Example one

As shown in fig. 1, 2, and 3, an embodiment of the present invention first provides a drinking water prefiltration system, which includes a housing 10, a water inlet pipe 20, an ultrafiltration unit 22, a resin filtration unit 23, an activated carbon filtration unit 24, a composite activated carbon filtration unit 25, and a rear carbon filtration unit 27 are sequentially disposed on the housing 10 according to a water flow direction, a tee joint 26 is disposed between the composite activated carbon filtration unit 25 and the rear carbon filtration unit 27, a water inlet of the tee joint 26 is connected to the composite activated carbon filtration unit 25 through a pipeline, one water outlet of the tee joint 26 is connected to the rear carbon filtration unit 27 through a pipeline, another water outlet of the tee joint 26 is connected to a pressure sensing pipeline 40, and a low pressure sensor 41 is disposed at one end of the pressure sensing pipeline 40, which is far away from the tee joint 26. The post-carbon filtering unit 27 may be followed by a KDF filtering unit 28, and the KDF filtering unit 28 may filter heavy metals and chlorine in the water.

The ultrafiltration unit 22 is one of membrane separation technologies using pressure as a driving force, water flows through the membrane surface under the driving of pressure, water smaller than membrane pores and small-molecule solute permeable membranes become purified water, and impurities larger than the membrane pores are intercepted and discharged along with water flow. The ultrafiltration process is dynamic filtration, the separation is completed in a flowing state, impurities are deposited on the surface of the membrane in a limited way, the ultrafiltration rate is attenuated to a certain degree and tends to be balanced, and the filtration function can be recovered by cleaning the impurities. The impurities such as rust and bacteria with the particle size of more than 0.01 mu m in the water can be filtered by the ultrafiltration unit.

The resin filter unit 23 is filled with a resin filter material 50, and the resin filter material 50 is a high molecular polymer, also called as an adsorbent resin, and can be used for removing organic matters in water, decoloring sugar liquor, separating and refining natural products and biochemical products, and the like. The adsorption resin has a plurality of varieties, and the change of the monomer and the change of the functional group on the monomer can endow the resin with various special properties. High molecular weight polymers such as polystyrene resins and polyacrylate resins are commonly used. The adsorption resin is a resin adsorbent which has the characteristic of adsorption and has a porous three-dimensional structure. It is a new porous resin developed in the field of polymer in recent years, and is made up by using monomers of styrene and divinylbenzene, etc. and adopting suspension copolymerization process in the presence of organic solvent of toluene, etc. The resin filter unit 23 has the following functions: can adsorb organic matters in water; calcium carbonate; the filtered liquid is decolored, clarified and transparent; can filter particles and impurities; has good effect of removing peculiar smell; residual chlorine in the water can be removed.

The activated carbon filter unit 24 is filled with activated carbon, and can adsorb fine substances in water, such as decoloration, deodorization, dechlorination, removal of organic substances and heavy metals, and removal of contaminants such as synthetic detergents, bacteria, viruses, and radioactivity, by using the porosity of the activated carbon.

The composite active carbon filtering unit 25 is filled with PP cotton core composite active carbon which can filter 1 micron floating objects, chloride ions and the like, and the post-carbon filtering unit 27 is mainly filled with coconut shell active carbon which can adsorb other tastes in water and improve the taste.

The three-way joint 26 is divided into a water inlet and two water outlets, wherein the water inlet is connected with the composite active carbon filtering unit 25 through a pipeline, one water outlet of the three-way joint 26 is communicated with the rear carbon filtering unit 27 through a pipeline, the other water outlet of the three-way joint 26 is connected with the low-pressure sensor 41, and the low-pressure sensor 41 can sense the water pressure in the system and monitor the pressure reduction or the pressure absence condition in real time.

KDF filter materials are filled in the KDF filter unit 28, and the KDF is a high-purity zinc-copper alloy, can perfectly remove heavy metals, acid radical ions, chloride ions and chlorine in water, improves the activation degree of water, is more beneficial to the absorption of human bodies to water, protects the health of human bodies, and promotes the metabolism of the human bodies. The rear end of the KDF filtering unit 28 is connected with a water outlet pipe 29, and a water outlet electromagnetic valve 291 is arranged on the water outlet pipe 29.

Further, a flow meter 21 is arranged between the water inlet pipe 20 and the ultrafiltration unit 22, and the flow rate of water in the system can be detected through the flow meter 21.

Furthermore, a sewage draining outlet is arranged on one side of the ultrafiltration unit 22, the sewage draining outlet can be a manual sewage draining outlet 30 or an electric sewage draining valve 31, and impurities filtered by the ultrafiltration unit 22 are discharged through the sewage draining outlet.

In the above scheme, the casing 10 is provided with the ultrafiltration unit fixing seat 13 for fixing the ultrafiltration unit 22, the casing 10 is further provided with the fixing frame 12 for fixing the rear carbon filtration unit 27 and the KDF filtration unit 28, and the ultrafiltration unit fixing seat 13 and the fixing frame 12 can improve the reliability of each structure in the casing 10. The casing 10 is provided with a protective cover 11, and the ultrafiltration unit 22, the rear carbon filtration unit 27 and the KDF filtration unit 28 are positioned in a closed space enclosed by the casing 10 and the protective cover 11.

Example two

On the basis of the main structure of the embodiment, a water quality detection sensor, a water leakage detection sensor, a control chip and a corresponding parameter display structure can be additionally arranged in the filtering system, wherein the water quality detection sensor can be arranged behind the ultrafiltration unit 22 and the KDF filtering unit 28, the water leakage detection sensor can be arranged in the shell 10, the control chip can analyze data detected by the low-voltage sensor 41, the flowmeter 21, the water quality detection sensor and the water leakage detection sensor, calculate the TDS value and the ORP value of the water quality and has a water leakage early warning function, the control chip can transmit the processed data to the display structure such as a display screen and the like and can also transmit the processed data to a computer, a mobile phone or a server in a wireless transmission mode to display corresponding information in real time. In this embodiment, the low-voltage inductor 41 can adopt a medium-load ITiGER fast-connection 1828-a low-voltage switch inductor; the water quality detection sensor adopts a TDS water quality probe; the probe of the water leakage detection sensor is designed by adopting an analog resistor, when the surface of the probe has no moisture, the resistance value is infinite, and when the moisture exists, the resistance value is reduced along with the increase of the humidity, so that the water leakage early warning function is realized.

EXAMPLE III

As shown in fig. 4, based on the main structure of the drinking water prefiltration system, the filter structure of the resin filter unit 23, the activated carbon filter unit 24 or the composite activated carbon filter unit 25 can be further improved, taking the resin filter unit 23 as an example, the specific structure is as follows: resin filter unit upper cover 231 is arranged above resin filter unit 23, filter unit water inlet 232 and filter unit water outlet 233 are arranged on resin filter unit upper cover 231, porous filter screen 234 is arranged inside resin filter unit 23, a gap is formed between porous filter screen 234 and the inner wall of resin filter unit 23, resin filter material 50 is filled in porous filter screen 234, filter screen joint 235 is arranged above porous filter screen 234, and filter screen joint 235 is communicated with filter unit water inlet 232.

In this embodiment, the upper cover 231 of the resin filter unit is detachably connected to the porous filter screen 234, and during the installation process, the resin filter material 50 is filled into the porous filter screen 234, then the porous filter screen 234 is connected to the upper cover 231 of the resin filter unit, and then the upper cover 231 of the resin filter unit is fixedly connected to the main structure of the resin filter unit 23. The water flow first enters the strainer connector 235 from the filter unit water inlet 232, then enters the inside of the porous strainer 234, passes through the filtration of the resin filter material 50, enters the gap between the porous strainer 234 and the inner wall of the resin filter unit 23 from the mesh of the porous strainer 234, and then exits from the filter unit water outlet 233. This structure can increase the stroke of the water flow in the resin filter unit 23, thereby improving the filtering effect.

Further, the perforated screen 234 has a groove 236 at an end thereof remote from the screen connector 235, and the groove 236 and the perforated screen 234 are wrapped with a soft water-permeable cushion 60. Resin filter unit 23 is in filtering process, because rivers constantly pass through, porous filter screen 234 can produce vibrations, in order to alleviate vibrations, service life is prolonged, adopt soft bed course 60 that permeates water to protect the porous filter screen 234 outside, and the direction that flows through water in the resin filter unit 23 can be discover, the deposit of impurity takes place easily in resin filter unit 23 bottom, for this isolation through soft bed course 60 that permeates water, carry out the filtration of certain degree to rivers, avoid impurity to get into this position, soft bed course 60 that permeates water can adopt porous sponge's structure to make. The structure of the groove 236 has three functions, one is that the volume in the porous filter screen 234 can be reduced, and the dosage of the resin filter material 50 is reduced; secondly, the winding tightness of the soft permeable cushion layer 60 can be improved, and the soft permeable cushion layer is prevented from falling off; thirdly, the porous filter screen 234 has a certain flexibility, so that when the porous filter screen 234 is inserted into the inner wall of the resin filter unit 23, the inner wall of the resin filter unit 23 can be gradually pressed.

Although the present invention has been described in detail hereinabove with reference to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made to the embodiments of the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The drinking water pre-filtering system is characterized by comprising a shell (10), wherein a water inlet pipe (20), an ultrafiltration unit (22), a resin filtering unit (23), an activated carbon filtering unit (24), a composite activated carbon filtering unit (25) and a post-carbon filtering unit (27) are sequentially arranged on the shell (10) according to the water flow direction, a tee joint (26) is arranged between the composite active carbon filtering unit (25) and the post-carbon filtering unit (27), the water inlet of the three-way joint (26) is connected with the composite active carbon filtering unit (25) through a pipeline, one water outlet of the three-way joint (26) is communicated with the pipeline of the post-carbon filtering unit (27), the other water outlet of the three-way joint (26) is connected with a pressure sensing pipeline (40), a low-pressure sensor (41) is arranged at one end of the pressure sensing pipeline (40) far away from the three-way joint (26);

resin filter unit (23) top is provided with resin filter unit upper cover (231), be provided with filter unit water inlet (232) and filter unit delivery port (233) on resin filter unit upper cover (231), resin filter unit (23) inside is provided with porous filter screen (234), porous filter screen (234) and resin filter unit (23) inner wall have the clearance, porous filter screen (234) intussuseption is filled with resin filter material (50), porous filter screen (234) top has filter screen joint (235), filter screen joint (235) and filter unit water inlet (232) intercommunication.

2. A drinking water pre-filtration system according to claim 1, wherein a flow meter (21) is arranged between the water inlet pipe (20) and the ultrafiltration unit (22).

3. A drinking water pre-filtration system as claimed in claim 2, wherein a manual drain (30) is provided on one side of the ultrafiltration unit (22).

4. A drinking water pre-filtration system according to claim 1, wherein the housing (10) is provided with an ultrafiltration unit holder (13) for holding an ultrafiltration unit (22).

5. Drinking water prefiltration system according to claim 4, wherein said casing (10) is further provided with a holder (12) for a post-carbon filter unit (27).

6. Drinking water prefiltration system according to claim 1, wherein a protective cover (11) is provided on the housing (10), the ultrafiltration unit (22) and the post-carbon filtration unit (27) being located inside the housing (10) and the protective cover (11).

7. A drinking water prefiltration system as claimed in claim 1, wherein the porous screen (234) has a recess (236) at an end remote from the screen connector (235).

8. The drinking water prefiltration system according to claim 7, wherein said recess (236) and said porous screen (234) are provided with a soft water-permeable mat (60) wound around their surfaces.

9. A drinking water pre-filtration system according to claim 1, characterized in that a KDF filtration unit (28) is arranged after the post-carbon filtration unit (27).