CN112023481A - Leading filter of drinking water - Google Patents
Leading filter of drinking water Download PDFInfo
- Publication number
- CN112023481A CN112023481A CN202010895118.0A CN202010895118A CN112023481A CN 112023481 A CN112023481 A CN 112023481A CN 202010895118 A CN202010895118 A CN 202010895118A CN 112023481 A CN112023481 A CN 112023481A
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- Prior art keywords
- filter
- water
- water outlet
- purification
- backwashing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003651 drinking water Substances 0.000 title claims abstract description 17
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000000746 purification Methods 0.000 claims abstract description 57
- 238000011001 backwashing Methods 0.000 claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000011045 prefiltration Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 238000009825 accumulation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6423—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Abstract
The invention discloses a drinking water pre-filter which comprises a purifying shell, wherein a purifying cavity is arranged in the purifying shell, a water inlet and a water outlet which are horizontally arranged oppositely are arranged on the outer side of the purifying shell, and the water inlet is communicated with the purifying cavity; the filter cartridge is arranged in the purification cavity, the filter cartridge is detachably connected with a water outlet flow channel arranged in the purification cavity, the water outlet flow channel is communicated with a water outlet, a pre-filter can clean a filter structure in the using process, the problem that large-particle dirt attached residues attached to water are difficult to clean is effectively solved, the filter cartridge and the purification cavity are flushed by water flow in a mode that a control valve is closed and a backwashing connector is opened at the same time, attachments such as particles are flushed out of a backwashing port under the siphoning action of a siphoning port, and the backwashing connector can be pulled in the backwashing process, so that a cleaning ring brushes up and down the outer surface of the filter cartridge; impurity particles and the like washed by the water flow can be flushed out of the backwashing port under the action of the water flow, so that the filter is efficiently cleaned.
Description
Technical Field
The invention relates to the field of filtration technical equipment, in particular to a drinking water pre-filter.
Background
The pre-filter is the first coarse filter for water used in whole house, and can filter silt, rust, algae and other large particle impurity from tap water.
At present, most backwash pre-filter on the market can have dirty accumulation to block up the clearance after using a period of time, this is because: the back washing filter screen is arranged in the upper end of the filter element, when the filter element moves up and down in the working process, impurities in raw water firstly enter the filter element along with the raw water and then flow into the filter screen, the impurities can be trapped in a gap between the filter screen and the inner wall of the filter element, and the situation that the normal work of the back washing function is influenced due to the accumulation of dirt in the past for a long time is caused. Moreover, the existing pre-filter has poor backwashing decontamination effect, and the bottom inside the pre-filter is often accumulated with dirt, so that the filter screen is easily blocked, and the filtering work is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a drinking water prefilter which can improve the cleaning effect of the filter and ensure the quality of filtered water.
The technical scheme adopted by the invention is as follows: a drinking water pre-filter comprises a purification shell, wherein a purification cavity is arranged in the purification shell, a water inlet and a water outlet which are horizontally arranged oppositely are arranged on the outer side of the purification shell, and the water inlet is communicated with the purification cavity; a filter cylinder is arranged in the purification cavity, filter holes which are uniformly distributed are formed in the peripheral surface of the filter cylinder, a plurality of filter layers are arranged in the hollow filter cylinder, a cleaning ring brush which can slide along the filter cylinder is sleeved on the filter cylinder, the filter cylinder is detachably connected with a water outlet flow passage arranged in the purification cavity, the water outlet flow passage is communicated with a water outlet, and a control valve is also arranged on the water outlet flow passage; the purification shell body is provided with a backwashing port corresponding to the lower end of the filter cylinder, the backwashing port is screwed with a backwashing connector, the backwashing connector is provided with a cleaning section connected with a cleaning ring brush, and a siphon port communicated with the purification cavity is arranged between the backwashing port and the purification cavity.
In the technical scheme: the pre-filter can clean the filter structure in the using process, effectively solves the problem that large particles attached in water are dirty and attached and the residue is difficult to wash out, and is convenient and quick to operate; the water inlet and the water outlet which are arranged outside the purifying shell can be connected to a water inlet pipeline, water to be purified is input into the purifying cavity through the water inlet and then seeps into the filter cylinder for filtering under the action of water pressure, particle impurities and the like attached to the water can be trapped in the purifying cavity under the action of filter holes of the filter cylinder, and the filtered water is directly output from the water outlet through the water outlet flow channel to realize rapid purification; after long-time use, the problems of reduced filtering effect, filter blockage and the like caused by the fact that particles and the like trapped by the filtering holes are increased and attached to the surface area of the filter cylinder are avoided; according to the technical scheme, the filter cylinder and the purification cavity are flushed by water flow in a mode that the control valve is closed and the backwashing connector is opened at the same time, attachments such as particles and the like are flushed out of the backwashing opening under the siphoning action of the siphoning opening, and the backwashing connector can be pulled in the backwashing process, so that the cleaning ring brushes the outer surface of the filter cylinder up and down; impurity particles and the like washed by the water flow can be flushed out of the backwashing port under the action of the water flow, so that the filter is efficiently cleaned, and the filtering water quality is further ensured.
Preferably, the water outlet branch is connected with a pressure stabilizing flow channel connected to the water inlet, and a pressure stabilizing valve is arranged on the pressure stabilizing flow channel.
Preferably, the inner wall of the purification shell is provided with an ultrasonic generator which is arranged around the filter cylinder corresponding to the outer side of the filter cylinder.
Preferably, the purification shell is provided with a first pressure sensor and a second pressure sensor for detecting the water pressure of the purification cavity and the water outlet flow passage.
Preferably, the purification shell comprises a water guide section and a purification section, the upper end of the purification section is provided with a sealing joint detachably connected with the lower end of the water guide section, the water inlet and the water outlet are positioned at two ends of the water guide section, and the filter cartridge is accommodated in the purification section.
Preferably, a one-way membrane is arranged in the water outlet flow channel. The one-way diaphragm is positioned between the input port of the water outlet flow passage corresponding to the water outlet flow passage and the control valve.
Preferably, the inner side wall and the outer side wall of the cleaning ring brush are provided with cleaning bristles for brushing the outer peripheral surface of the filter cylinder and the inner wall of the purifying end.
Preferably, the water inlet and the water outlet are provided with pipeline pipe joints.
Compared with the prior art, the drinking water prefilter provided by the invention has the beneficial effects that: 1. the cleaning structure is arranged outside the filter cylinder, during backwashing, the water flow direction is changed, various impurity particles attached to the outer side surface of the filter cylinder and the inner wall of the purification cavity are completely removed through water flow washing and scrubbing operation, the filter cylinder and an internal filter core are prevented from being blocked by impurities and other attachments, meanwhile, the ultrasonic generator can be started, ultrasonic waves are formed in the purification cavity through the ultrasonic generator, cavitation effect is generated through water molecules around the filter cylinder, and the attachments on the outer side surface of the filter cylinder are discharged from a backwashing port under the action of the water flow. The filter cartridge structure of the filter can be protected to work effectively for a long time; 2. the purifying section and the flow guiding section for accommodating the filter cartridge structure can be detached for replacing the filter cartridge in long-term use; 3. when the pressure stabilizing valve is opened, the water pressure can be further increased, so that a pressure difference is formed between the water inlet and the water outlet, and better filtering and backwashing effects are achieved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a pre-filter for drinking water according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of backwashing of a pre-filter according to an embodiment of the present invention.
Reference numerals: the device comprises a purification shell 100, a purification cavity 110, a water guide section 120, a purification section 130, a water outlet flow channel 140, a filter cartridge 200, a control valve 300, a backwashing connector 400, a cleaning section 500, a cleaning ring brush 600, an ultrasonic generator 700, a pressure stabilizing flow channel 800, a pressure stabilizing valve 900, a first pressure sensor 1000, a second pressure sensor 1100, a pipeline pipe connector 1200 and a one-way diaphragm 1300.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the invention is an improvement of the prior art and essentially consists in the connection relationship between hardware. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 and fig. 2, the drinking water prefilter provided by the embodiment can clean a filtering structure in a using process, effectively solves the problem that large particles attached to the water are dirty and remain and are difficult to clean, and is convenient and quick to operate; the device mainly comprises a purifying shell 100, wherein a purifying cavity 110 is arranged in the purifying shell 100, a water inlet and a water outlet which are horizontally arranged oppositely are arranged on the outer side of the purifying shell 100, and the water inlet is communicated with the purifying cavity 110; a filter cartridge 200 is arranged in the purification cavity 110, filter holes which are uniformly distributed are formed in the outer peripheral surface of the filter cartridge 200, a plurality of filter layers are arranged in the hollow filter cartridge 200, a cleaning ring brush 600 which can slide along the filter cartridge 200 is sleeved on the filter cartridge 200, the filter cartridge 200 is detachably connected with a water outlet flow channel 140 arranged in the purification cavity 110, the water outlet flow channel 140 is communicated with a water outlet, and a control valve 300 is further arranged on the water outlet flow channel 140; the lower end of the purification shell 100 corresponding to the filter cylinder 200 is provided with a backwashing port, the backwashing port is screwed with a backwashing connector 400, the backwashing connector 400 is provided with a cleaning section 500 connected with a cleaning ring brush 600, and a siphon port communicated with the purification cavity 110 is arranged between the backwashing port and the purification cavity. Because the purifying cavity 110 is communicated with the water inlet, the external water inlet and the external water outlet of the purifying shell 100 can be connected to a water inlet pipeline, water to be purified is input into the purifying cavity 110 through the water inlet and then seeps into the filter cartridge 200 under the action of water pressure for filtration treatment, particle impurities and the like attached to the water can be trapped in the purifying cavity 110 under the action of filter holes of the filter cartridge 200, and the filtered water is directly output from the water outlet through the water outlet flow channel 140 to realize rapid purification; after long-term use, the problems of reduced filtering effect, filter blockage and the like caused by the fact that particles and the like trapped by the filtering holes are increased and attached to the surface area of the filter cartridge 200 are avoided; according to the technical scheme, the filter cartridge 200 and the purification cavity 110 can be flushed by water flow by closing the control valve 300 and opening the backwashing connector 400 at the same time, attachments such as particles and the like are flushed out of a backwashing port under the siphoning action of a siphoning port, and the backwashing connector 400 can be pulled in the backwashing process, so that the cleaning ring brush 600 brushes the outer surface of the filter cartridge 200 up and down; impurity particles and the like washed by the water flow can be flushed out of the backwashing port under the action of the water flow, so that the filter is efficiently cleaned, and the filtering water quality is further ensured. In order to improve the cleaning effect of impurities, the cleaning bristles for brushing the outer peripheral surface of the filter cartridge 200 and the inner wall of the cleaning end are disposed on the inner side wall and the outer side wall of the cleaning ring brush 600. Thus, after the backwashing port is opened, the backwashing connector 400 can be pulled to clean the outer side surface of the filter cartridge 200 and the inner wall of the purification cavity 110 by cleaning the cleaning bristles on the inner side wall and the outer side wall of the full brush, so that the impurities, namely attachments, can be efficiently cleaned.
As shown in fig. 1 and 2, when the pressure of the inlet water is reduced, the filtering effect is reduced, in this embodiment, a pressure stabilizing flow passage 800 connected to the inlet is branched and connected to the outlet, and a pressure stabilizing valve 900 is arranged on the pressure stabilizing flow passage 800. In this way, the pressure stabilizing valve 900 can open and close the pressure stabilizing flow passage 800, when the pressure stabilizing flow passage 800 is opened, the water pressure of the inlet water can be increased, and further the water filtering effect can be improved, when the water pressure is sufficient, the pressure stabilizing valve 900 can be closed, and the water pressure in the purification cavity 110 can be reduced, so that the outlet water pressure of the water outlet flow passage 140 and the purification water pressure in the purification cavity 110 can be detected conveniently, in this embodiment, the purification shell 100 is provided with the first pressure sensor 1000 and the second pressure sensor 1100 for detecting the water pressure of the purification cavity 110 and the water outlet flow passage 140. The first pressure sensor 1000 and the second pressure sensor 1100 are capable of detecting the water pressure in the purification cavity 110 and the outlet flow passage 140, respectively, so as to control whether the pressure stabilizing structure is opened.
As shown in fig. 1 and 2, in order to improve the cleaning effect of the filter cartridge 200, in this embodiment, an ultrasonic generator 700 disposed around the filter cartridge 200 is disposed on the inner wall of the cleaning housing 100 corresponding to the outer side of the filter cartridge 200, after the ultrasonic generator 700 is powered on and started, ultrasonic waves emitted by the ultrasonic generator 700 are conducted in water between the main body of the filter cartridge 200 and the cleaning cavity 110 to generate cavitation effect on liquid molecules, the generated impact force separates impurities from the filter cartridge 200, and when the backwashing opening is opened, the impurities under washing are rapidly and effectively removed from the drain opening through the backwashing opening by water flow.
As shown in fig. 1 and 2, when the filter cartridge 200 is used for a long time, the internal filter element structure is aged and fails, and in order to replace the filter element structure, the purification casing 100 provided in this embodiment includes a water guiding section 120 and a purification section 130, the upper end of the purification section 130 is provided with a sealing joint detachably connected to the lower end of the water guiding section 120, the water inlet and the water outlet are located at both ends of the water guiding section 120, and the filter cartridge 200 is accommodated in the purification section 130. In this way, the purifying section 130 can be removed from the lower end of the water guiding section 120, and when the purifying section 130 is removed, the filter cartridge 200 can be easily removed from the water outlet channel 140 to replace the filter element structure inside the filter cartridge 200.
As shown in fig. 1 and 2, in the present embodiment, a one-way diaphragm 1300 is provided in the outlet flow path 140 in order to prevent the purified water from flowing backward. The one-way diaphragm 1300 is located between the inlet of the outlet flow channel 140 and the control valve 300 corresponding to the outlet flow channel 140. The one-way diaphragm 1300 can prevent the backflow of the water outlet channel 140, and in addition, in order to facilitate the connection of the water inlet pipeline, the embodiment is provided with pipeline pipe joints 1200 at the water inlet and the water outlet. Pipeline coupling 1200 can realize the corresponding pipeline of quick connection, improves the convenience of installation. Waterproof structures such as waterproof gaskets can be arranged at each connecting position, and the sealing connection of pipelines is ensured.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A drinking water pre-filter comprises a purification shell (100), wherein a purification cavity (110) is arranged in the purification shell (100), a water inlet and a water outlet which are horizontally opposite are arranged on the outer side of the purification shell (100), and the water inlet is communicated with the purification cavity (110); the method is characterized in that:
a filter cylinder (200) is arranged in the purification cavity (110), filter holes which are uniformly distributed are formed in the outer peripheral surface of the filter cylinder (200), a plurality of filter layers are arranged in the hollow filter cylinder (200), a cleaning ring brush (600) which can slide along the filter cylinder (200) is sleeved on the filter cylinder (200), the filter cylinder (200) is detachably connected with a water outlet flow channel (140) arranged in the purification cavity (110), the water outlet flow channel (140) is communicated with a water outlet, and a control valve (300) is further arranged on the water outlet flow channel (140);
the lower end of the purification shell (100) corresponding to the filter cylinder (200) is provided with a backwashing port, the backwashing port is screwed with a backwashing connector (400), the backwashing connector (400) is provided with a cleaning section (500) connected with a cleaning ring brush (600), and a siphon inlet communicated with the purification cavity (110) is arranged between the backwashing port and the purification cavity.
2. The pre-filter for drinking water of claim 1, wherein: the water outlet branch is connected with a pressure stabilizing flow channel (800) connected to the water inlet, and a pressure stabilizing valve (900) is arranged on the pressure stabilizing flow channel (800).
3. The pre-filter for drinking water of claim 1, wherein: and an ultrasonic generator (700) arranged around the filter cartridge (200) is arranged on the inner wall of the purification shell (100) corresponding to the outer side of the filter cartridge (200).
4. The pre-filter for drinking water of claim 1, wherein: the purifying shell (100) is provided with a first pressure sensor (1000) and a second pressure sensor (1100) for detecting the water pressure of the purifying cavity (110) and the water outlet channel (140).
5. The pre-filter for drinking water of claim 1, wherein: the purifying shell (100) comprises a water guide section (120) and a purifying section (130), a sealing joint detachably connected with the lower end of the water guide section (120) is arranged at the upper end of the purifying section (130), the water inlet and the water outlet are located at two ends of the water guide section (120), and the filter cartridge (200) is accommodated in the purifying section (130).
6. The pre-filter for drinking water of claim 1, wherein: the water outlet flow channel (140) is internally provided with a one-way diaphragm (1300), and the one-way diaphragm (1300) is positioned between the water outlet flow channel (140) and the control valve (300) corresponding to the input port of the water outlet flow channel (140).
7. The pre-filter for drinking water of claim 1, wherein: the inner side wall and the outer side wall of the cleaning ring brush (600) are provided with cleaning bristles for brushing the peripheral surface of the filter cylinder (200) and the inner wall of the purification end.
8. The pre-filter for drinking water of claim 1, wherein: and pipeline pipe joints (1200) are arranged at the water inlet and the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895118.0A CN112023481A (en) | 2020-08-31 | 2020-08-31 | Leading filter of drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895118.0A CN112023481A (en) | 2020-08-31 | 2020-08-31 | Leading filter of drinking water |
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| Publication Number | Publication Date |
|---|---|
| CN112023481A true CN112023481A (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010895118.0A Pending CN112023481A (en) | 2020-08-31 | 2020-08-31 | Leading filter of drinking water |
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| CN (1) | CN112023481A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113461205A (en) * | 2021-07-06 | 2021-10-01 | 清远华新达饮品有限公司 | Drinking water filtering device |
| CN113750806A (en) * | 2021-09-13 | 2021-12-07 | 安徽工程大学 | Anti-fouling membrane assembly water treatment device with backwashing function |
| CN114130077A (en) * | 2021-11-05 | 2022-03-04 | 杭州回水科技股份有限公司 | Granule filter material cleaning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461205A (en) * | 2021-07-06 | 2021-10-01 | 清远华新达饮品有限公司 | Drinking water filtering device |
| CN113750806A (en) * | 2021-09-13 | 2021-12-07 | 安徽工程大学 | Anti-fouling membrane assembly water treatment device with backwashing function |
| CN113750806B (en) * | 2021-09-13 | 2023-05-30 | 安徽工程大学 | Anti-fouling membrane module water treatment device with back flushing function |
| CN114130077A (en) * | 2021-11-05 | 2022-03-04 | 杭州回水科技股份有限公司 | Granule filter material cleaning equipment |
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Application publication date: 20201204 |