CN110694336B - Filter element cleaning assembly, water purifier and filter element cleaning method - Google Patents
Filter element cleaning assembly, water purifier and filter element cleaning method Download PDFInfo
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- CN110694336B CN110694336B CN201911102000.1A CN201911102000A CN110694336B CN 110694336 B CN110694336 B CN 110694336B CN 201911102000 A CN201911102000 A CN 201911102000A CN 110694336 B CN110694336 B CN 110694336B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 373
- 238000004140 cleaning Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 76
- 238000011001 backwashing Methods 0.000 claims abstract description 53
- 238000003860 storage Methods 0.000 claims abstract description 39
- 238000001914 filtration Methods 0.000 claims description 13
- 239000008213 purified water Substances 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 description 13
- 230000001276 controlling effect Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001471 micro-filtration Methods 0.000 description 3
- 238000001728 nano-filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
- B01D35/1475—Pressure relief valves or pressure control valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/153—Anti-leakage or anti-return valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The application relates to a filter element cleaning component which comprises a backwashing tank, a water storage pipeline, a pressure stabilizing device, a backwashing pipeline and a backwashing valve. The backwash tank can store a certain amount of backwash water, the water storage pipeline is provided with a water storage inlet and a water storage outlet, the water storage outlet is communicated with the backwash tank, the water storage inlet is communicated with the water outlet end of the water pump, and the pressure stabilizing device is connected in series with the water storage pipeline. The backwash pipeline is provided with a backwash water inlet and a backwash water outlet, the backwash water inlet is communicated with the backwash tank, the backwash water outlet is communicated with the filter element, and the backwash pipeline can convey backwash water in the backwash tank to the filter element. The backwashing valve is connected in series with the backwashing pipeline. The application also relates to a water purifier comprising the filter element cleaning component and a filter element cleaning method. Above-mentioned filter core cleaning element spare, purifier and filter core cleaning method, filter core cleaning element spare can realize the washing to the purifier filter core, and then in time gets rid of the pollutant of filter core surface interception to extension filter core life guarantees purifier performance.
Description
Technical Field
The application relates to the technical field of water filtering and purifying, in particular to a filter element cleaning component, a water purifier and a filter element cleaning method.
Background
In the application process of the water purifier, a pretreatment filter element can be used for removing impurities such as sediment, suspended matters, rust, colloid, bacteria, large particulate matters and the like in tap water. In the abominable quality of water area that impurity content is higher, along with the extension of purifier mechanism water time, there is a large amount of impurity attached to on the preliminary treatment filter core, causes the life of preliminary treatment filter core to be short, and then leads to the preliminary treatment filter core to change frequently or influence the problem of purifier performance, user experience feels poor.
Disclosure of Invention
Based on the above, it is necessary to provide a filter element cleaning assembly, a water purifier and a filter element cleaning method capable of cleaning a filter element in time, aiming at the problem of short service life of the filter element in the current water purifier.
A cartridge cleaning assembly comprising:
a backwash tank capable of storing a certain amount of backwash water;
the water storage pipeline is provided with a water storage inlet and a water storage outlet, the water storage outlet is communicated with the backwashing tank, and the water storage inlet is communicated with the water outlet end of the water pump;
the pressure stabilizing device is connected in series with the water storage pipeline and is used for adjusting the water pressure flowing through the pressure stabilizing device in a certain range;
the backwash pipeline is provided with a backwash water inlet and a backwash water outlet, the backwash water inlet is communicated with the backwash tank, the backwash water outlet is communicated with the filter element, and the backwash pipeline can convey backwash water in the backwash tank to the filter element;
the backwashing valve is connected in series with the backwashing pipeline and is used for controlling the flow of backwashing water in the backwashing pipeline.
In one embodiment, the pressure stabilizing device comprises a pressure reducing valve or a pressure stabilizing valve, and the pressure stabilizing value of the pressure stabilizing device is adjustable or fixed.
In one embodiment, the pressure stabilizing device is adjustable in pressure stabilizing value, and the pressure stabilizing device adjusts the water pressure value flowing through the pressure stabilizing device to be within a first preset pressure range.
In one embodiment, the pressure stabilizing device has a fixed pressure stabilizing value, and the pressure stabilizing device adjusts the water pressure flowing through the pressure stabilizing device to be 0.25Mpa.
In one embodiment, the backwash valve comprises a backwash switch and a backwash check valve, and the backwash switch and the backwash check valve are respectively connected in series with the backwash pipeline.
In one embodiment, the backwash tank is spherical, cylindrical, square or special-shaped, and the volume of the backwash tank is less than or equal to 5 liters.
In one embodiment, the filter element cleaning assembly comprises a plurality of backwashing tanks, the backwashing tanks are respectively communicated with the water storage outlet and the backwash water inlet, and the backwashing tanks are connected in series or in parallel.
A water purifier comprising a filter element, a water pump and a filter element cleaning assembly according to any one of the above schemes; the water pump has into water end and play water end, the filter core has into water end and water purification play water end, the income water end of filter core is used for with the water source intercommunication, the water purification play water end of filter core with the income water end intercommunication of water pump, the play water end of water pump with the water storage import intercommunication of water storage pipeline, backwash water outlet of backwash pipeline with the water purification play water end intercommunication of filter core, backwash pipeline can carry backwash water opposite direction entering in the filter core.
In one embodiment, the water purifier further comprises a drainage pipeline and a drainage control valve, wherein the drainage pipeline is communicated with the filter element, the drainage pipeline is used for draining backwash water after the filter element is washed, and the drainage control valve is used for controlling on-off of the drainage pipeline.
In one embodiment, the water purifier further comprises a water guide pipeline and a water guide valve, wherein the water guide pipeline is communicated with the water outlet end of the water pump or the purified water outlet end of the filter element, the water guide valve is connected in series with the water guide pipeline, and the water guide valve is used for controlling the on-off of the water guide pipeline; the water guide pipeline conveys water flowing through the water pump to a user for use, or the water guide pipeline conveys water flowing through the filter element to a subsequent water treatment assembly.
In one embodiment, the water purifier further comprises a fine filtration and post-treatment assembly in communication with the water conduit that conveys water flowing through the filter element to the fine filtration and post-treatment assembly.
The filter element cleaning method is applied to the water purifier in any one of the schemes, and after the filter element accumulates the water making for a first preset time, the method for cleaning the filter element comprises the following steps:
s3: and closing the water pump and the water guide valve, and opening the drainage control valve for a second preset time.
S4: opening the backwashing valve to allow the backwashing water in the backwashing tank to enter the filter element through the backwashing pipeline, wherein the backwashing water conveyed by the backwashing pipeline backflushes the filter element, and the backflushing time is a third preset time.
In one embodiment, before the step S3, S2 is further included: closing the drainage control valve and the backwashing valve, opening the water pump and the water guide valve, enabling the water filtered by the filter element to sequentially flow through the water pump and the pressure stabilizing device and finally be stored in the backwashing tank, adjusting the water pressure range in the backwashing tank to be 0.1Mpa-0.8Mpa by the pressure stabilizing device, and operating the water pump for a fourth preset time; and circularly executing the steps S2-S4.
In one embodiment, in the step S2, the pressure stabilizing device adjusts the water pressure in the backwash tank to be stabilized at 0.25Mpa.
In one embodiment, the step S4 further includes: the water introduced from the water inlet end of the filter element is used for positively flushing the filter element.
In one embodiment, the filter element is standby after accumulating the first preset time for water production, and the water purifier is standby for the fifth preset time for cleaning the filter element.
Above-mentioned filter core cleaning element spare, purifier and filter core cleaning method, filter core cleaning element spare can realize the effective washing to the purifier filter core, and then in time gets rid of the pollutant of filter core surface interception to extension filter core life guarantees purifier performance, improves user experience. Meanwhile, the pressure stabilizing device can effectively realize the adjustment of the water pressure in the backwashing tank, and rapidly reach the design pressure, so that the filter element cleaning component can effectively and rapidly clean the filter element. The filter element cleaning component can be used as an independent component to be combined with a plurality of water purifiers without the function of automatically cleaning the filter element, so that the application range of the self-feeding cleaning component is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a filter element cleaning assembly according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a water purifier according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a water purifier according to another embodiment of the present application;
fig. 4 is a flowchart of a method for cleaning a filter element according to an embodiment of the present application.
Wherein: 10-a water purifier; 100-filter element cleaning components, 110-backwashing tanks, 120-water storage pipelines, 130-pressure stabilizing devices, 140-backwashing pipelines, 150-backwashing valves, 151-backwashing switches and 152-backwashing check valves; 200-filter element, 300-water pump, 400-drainage pipeline, 500-drainage control valve, 600-water guide pipeline, 700-water guide valve and 800-fine filtration and aftertreatment component.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. The following description of the embodiments is merely exemplary in nature and it is to be understood that the embodiments described herein are merely illustrative of the application, and are in no way intended to limit the application, its application, or uses.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
In the description of the present application, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
As shown in fig. 1 and 2, one embodiment of the present application provides a filter cartridge cleaning assembly 100 comprising a backwash tank 110, a water storage line 120, a pressure stabilizing device 130, a backwash line 140 and a backwash valve 150. The backwash tank 110 is capable of storing a certain amount of backwash water. The water storage pipeline 120 is provided with a water storage inlet and a water storage outlet, the water storage outlet is communicated with the backwashing tank 110, and the water storage inlet is used for being communicated with the water outlet end of the water pump 300. The pressure stabilizing device 130 is connected in series to the water storage pipeline 120 for adjusting the water pressure flowing through the pressure stabilizing device 130 within a certain range. The backwash line 140 has a backwash water inlet in communication with the backwash tank 110 and a backwash water outlet for communication with the filter element 200, the backwash line 140 being capable of delivering backwash water in the backwash tank 110 to the filter element 200. The backwash valve 150 is connected in series with the backwash pipe 140, and the backwash valve 150 is used for controlling the flow of backwash water in the backwash pipe 140. It can be easily understood that the backwash tank 110 may be a pressure tank with a pressure stabilizing function, so that the use of the pressure stabilizing device 130 can be reduced.
Above-mentioned filter core cleaning element 100, filter core cleaning element 100 can realize the effective washing to purifier 10 filter core 200, and then in time gets rid of the pollutant of filter core 200 surface interception to extension filter core 200 life guarantees purifier 10 performance, improves user experience. Meanwhile, the pressure stabilizing device 130 can effectively realize the adjustment of the water pressure in the backwashing tank 110 and quickly reach the design pressure, so that the filter element cleaning assembly 100 can effectively and quickly clean the filter element 200. The filter element cleaning assembly 100 can also be used as an independent assembly to be combined with a plurality of water purifiers 10 without the function of automatically cleaning the filter element 200, so that the application range of the self-feeding cleaning assembly is improved.
The pressure regulator 130 acts as an unavailable component of the cartridge cleaning assembly 100 that controls the water pressure entering the backwash tank 110 through the water storage line 120. It can be understood that when the water pressure in the water storage pipeline 120 is higher than the water pressure set by the pressure stabilizing device 130, the pressure stabilizing device 130 can reduce the water pressure in the water storage pipeline 120 to the set value and then convey the water to the backwash tank 110; or when the water pressure in the water storage pipeline 120 is lower than the water pressure set by the pressure stabilizing device 130, the pressure stabilizing device 130 can raise the water pressure in the water storage pipeline 120 to a set value and then convey the water to the backwash tank 110. In an embodiment of the present application, the pressure stabilizing device 130 includes a pressure reducing valve or a pressure stabilizing valve, and the pressure stabilizing value of the pressure stabilizing device 130 is adjustable or fixed. The pressure stabilizing device 130 in the form of a pressure reducing valve or a pressure reducing valve has the advantages of simple structure and stable performance. Under simple working conditions, the pressure stabilizing device 130 can meet the use requirement of the filter element cleaning assembly 100 by having a fixed pressure stabilizing value; under complex working conditions, the pressure stabilizing device 130 with an adjustable pressure stabilizing value can meet the use requirement of the filter element cleaning assembly 100; the voltage stabilizing value of the voltage stabilizing device 130 can be designed to be adjustable or fixed according to the specific use requirement of the actual working condition.
As an implementation manner, the pressure stabilizing value of the pressure stabilizing device 130 is adjustable, and the pressure stabilizing device 130 adjusts the water pressure flowing through the pressure stabilizing device 130 to be within a first preset pressure range, for example, the first preset pressure range is between 0Mpa and 0.8 Mpa. The water pressure of 0Mpa-0.8Mpa can achieve cleaning of most filter cartridges 200. As another implementation manner, the voltage stabilizing value of the voltage stabilizing device 130 is fixed, and the voltage stabilizing device 130 adjusts the water pressure value flowing through the voltage stabilizing device 130 to be any value within the first preset pressure range, such as 0.1Mpa, 0.25Mpa, 0.5Mpa, or other reasonable value. It is understood that in the above embodiment, the voltage stabilizing device 130 with adjustable voltage stabilizing value can also adjust its own voltage stabilizing value to be 0.25Mpa. The backwash valve 150 can control the on-off of backwash water and backwash water flow direction in the backwash pipeline 140. Alternatively, the backwash valve 150 is a combination valve having a switching function and a backwash water flow direction controlling function, or the backwash valve 150 includes a plurality of simple valves each having the above functions. In an embodiment of the present application, as shown in fig. 1 and 2, the backwash valve 150 includes a backwash switch 151 and a backwash check valve 152, and the backwash switch 151 and the backwash check valve 152 are respectively connected in series to the backwash pipeline 140. Further, the backwash switch 151 is provided upstream of the backwash check valve 152 in the backwash water flowing direction or the backwash switch 151 is provided downstream of the backwash check valve 152 as long as the backwash valve 150 can control the on-off of the backwash pipeline 140 and the backwash water flowing direction.
The amount of water required for a single backwash is different for different sized, differently configured filter cartridges 200. In one embodiment of the present application, the backwash tank 110 has a volume of 5 liters or less and the backwash tank 110 having a volume of 5 liters can meet the single backwash water demand of most filter elements 200. In other embodiments of the application, the volume of the backwash tank 110 is greater than 5 liters, such as 8 liters, 10 liters, 15 liters, etc., and the volume of the backwash tank 110 may be designed based on the water demand for backwash of the filter element 200. As another implementation, the filter element cleaning assembly 100 includes a plurality of backwash tanks 110, wherein the backwash tanks 110 are respectively connected to the water storage outlet and the backwash water inlet, and the backwash tanks 110 are connected in series or in parallel. The plurality of backwash tanks 110 connected in series or in parallel can simultaneously provide backwash water for a single backwash of the filter element 200 together to ensure that the filter element 200 can be effectively cleaned during the backwash of the filter element 200. In one specific embodiment of the application, the filter element cleaning assembly 100 includes 2-10 backwash tanks 110 and 2-10 backwash tanks 110 in parallel communication. Further, the backwash tank 110 has a spherical, cylindrical, square or shaped configuration, such as a diamond or other irregular configuration for the backwash tank 110. It is understood that the backwash tank 110 may be configured to be stably installed independently or stably installed in the water purifier 10.
An embodiment of the present application further provides a water purifier 10, as shown in fig. 2 and 3, including a filter element 200, a water pump 300, and a filter element cleaning assembly 100 according to any one of the above embodiments. The water pump 300 has a water inlet end and a water outlet end, the filter element 200 has a water inlet end and a purified water outlet end, the water inlet end of the filter element 200 is used for being communicated with a water source, the purified water outlet end of the filter element 200 is communicated with the water inlet end of the water pump 300, the water outlet end of the water pump 300 is communicated with a water storage inlet of the water storage pipeline 120, a backwash water outlet of the backwash pipeline 140 is communicated with the purified water outlet end of the filter element 200, and the backwash pipeline 140 can convey backwash water into the filter element 200 in the opposite direction. Above-mentioned purifier 10 including filter core cleaning element 100, filter core cleaning element 100 can realize the effective washing to purifier 10 filter core 200, and then in time gets rid of the pollutant of filter core 200 surface interception to extension filter core 200 life guarantees purifier 10 performance, improves user experience. Meanwhile, the pressure stabilizing device 130 can effectively realize the adjustment of the water pressure in the backwashing tank 110 and quickly reach the design pressure, so that the filter element cleaning assembly 100 can effectively and quickly clean the filter element 200. The filter element cleaning assembly 100 can also be used as an independent assembly to be combined with a plurality of water purifiers 10 without the function of automatically cleaning the filter element 200, so that the application range of the self-feeding cleaning assembly is improved.
In one embodiment of the present application, the water purifier 10 can smoothly discharge the backwash water after washing the filter element 200. Specifically, as shown in fig. 2 and 3, the water purifier 10 further includes a drain pipe 400 and a drain control valve 500, the drain pipe 400 is communicated with the filter element 200, the drain pipe 400 is used for draining backwash water after flushing the filter element 200, and the drain control valve 500 is used for controlling on-off of the drain pipe 400. In the process of producing water through the filter element 200, the water purifier 10 can supply backwash water of a set pressure to the backwash tank 110 in the self-feed cleaning assembly through the water pump 300 and the pressure stabilizing device 130. When the filter element 200 in the water purifier 10 needs to be washed, the backwash tank 110 reaches the filter element 200 through the backwash pipeline 140 to wash the filter element 200, so that various impurities attached to the filter element 200 are effectively washed away. The backwash water after washing the filter cartridge 200 is discharged through the drain line 400 opened by the drain control valve 500. Alternatively, the water pump 300 may be a steady pressure pump, booster pump, vane pump, self priming pump, or the like, with positive, reverse flow, or frequency adjustable. The filter element 200 is one or more of PP cotton, activated carbon, PAC, ultrafiltration membrane, microfiltration membrane and the like. Each valve type in each of the above embodiments includes a solenoid valve or an electrically operated valve.
In an embodiment of the present application, as shown in fig. 2 and 3, the water purifier 10 further includes a water guide pipeline 600 and a water guide valve 700, wherein the water guide pipeline 600 is communicated with the water outlet end of the water pump 300 or the purified water outlet end of the filter element 200, the water guide valve 700 is connected in series with the water guide pipeline 600, and the water guide valve 700 is used for controlling the on-off of the water guide pipeline 600. Water conduit 600 delivers water flowing through water pump 300 to a user for use, or water conduit 600 delivers water flowing through cartridge 200 to a subsequent water treatment assembly. The filtered water pressurized by the water pump 300 has higher water pressure, is convenient for be directly transmitted to a user for use, and meanwhile, is also convenient for the water guide pipeline 600 to transmit the water flowing through the filter element 200 to a subsequent water treatment assembly, and the filtered water subjected to subsequent treatment can meet higher use requirements, and meanwhile, the filtered water still maintains higher water pressure. Further, the water purifier 10 further includes a fine filtration and post-treatment assembly 800, the fine filtration and post-treatment assembly 800 being in communication with the water guide line 600, the water guide line 600 delivering water flowing through the filter cartridge 200 to the fine filtration and post-treatment assembly 800 for consumption by a user. Optionally, the fine filtration and aftertreatment assembly 800 includes a filtered membrane and an aftertreatment filter element 200. The fine filtration membrane comprises one or more of RO membrane, nanofiltration membrane, ultrafiltration membrane and microfiltration membrane. The post-treatment filter element 200 comprises one or more of active carbon, ultrafiltration membrane and carbon composite, and microfiltration membrane and carbon composite filter element.
The water purifier 10 in the above embodiments can respectively meet the water making requirement of the user and the automatic cleaning requirement of the filter element 200 in the water purifier 10. An embodiment of the present application further provides a method for cleaning a filter element 200, as shown in fig. 4, which is applied to the water purifier 10 in each of the above embodiments, and after the filter element 200 accumulates the water making for a first preset time, the method for cleaning the filter element 200 includes: s3: closing the water pump 300 and the water guide valve 700, and opening the water discharge control valve 500 for a second preset time; s4: opening a backwash valve 150 to allow backwash water in the backwash tank 110 to enter the filter element 200 through the backwash pipeline 140, wherein backwash water conveyed by the backwash pipeline 140 backwash the filter element 200 for a third preset time, and water introduced from the water inlet end of the filter element 200 is used for forwardly flushing the filter element 200; s5: the drain control valve 500 and the backwash valve 150 are closed, and the water pump 300 and the water guide valve 700 are opened, so that the water purifier 10 can produce water normally. Optionally, the first preset time is between 0 and 24 hours, the second preset time is between 0 and 10 seconds, and the third preset time is between 0 and 30 seconds. As one possible way, when the second preset time is set to 0, that is, before the backwash valve 150 is opened, the drain control valve 500 does not need to be opened in advance, and the backwash valve 150 needs to be opened immediately after the drain control valve 500 is opened. As another possible way, the second preset time is greater than 0, that is, the drain control valve 500 needs to be opened in advance for a period of time before the backwash valve 150 is opened. Or the first preset time, the second preset time and the third preset time may be within other reasonable ranges.
It will be appreciated that a quantity of backwash water is already stored in the backwash tank 110 before the backwash tank 110 supplies backwash water to the backwash line 140. As an implementation manner, as shown in fig. 4, S2 is further included before step S3: the drain control valve 500 and the backwash valve 150 are closed, the water pump 300 and the water guide valve 700 are opened, the water filtered by the filter element 200 sequentially flows through the water pump 300 and the pressure stabilizing device 130 and is finally stored in the backwash tank 110, the pressure stabilizing device 130 regulates the water pressure range in the backwash tank 110 to be 0.1Mpa-0.8Mpa, and the water pump 300 runs for a fourth running time. The step S2 can fill the backwash tank 110 with a sufficient amount of backwash water. Further, step S5 or step S4 is followed by step S6: steps S2-S5 are performed in a loop or steps S2-S4 are performed in a loop. When the steps S2-S5 are circularly performed, the water purifier 10 can "undergo the circulation of water production (simultaneously, the pressurization of the backwashing tank 110), cleaning the filter element 200, water production again (the secondary pressurization of the backwashing tank 110), and cleaning the filter element 200 again", so that the water purifier 10 can effectively operate as a whole. Further, in step S2, the pressure stabilizing device 130 adjusts the water pressure in the backwash tank 110 to be stabilized at 0.25Mpa. Further, the filter element 200 is standby after accumulating water production for 0-24h, the water pump 300 and the water guide valve 700 are closed after the water purifier 10 is standby for a fifth preset time, and the water discharge control valve 500 is opened to clean the filter element 200. Step S3 can effectively remove impurities that the water purifier 10 enters the water purifier 10 from the external environment and adheres to the filter element 200 in the standby state, thereby improving the timeliness and necessity of cleaning the filter element 200 of the water purifier 10.
According to the filter element 200 cleaning method, the filter element cleaning assembly 100 in the water purifier 10 can effectively clean the filter element 200 of the water purifier 10, further remove pollutants intercepted on the surface of the filter element 200 in time, prolong the service life of the filter element 200, ensure the service performance of the water purifier 10 and improve the user experience. Meanwhile, the pressure stabilizing device 130 can effectively realize the adjustment of the water pressure in the backwashing tank 110 and quickly reach the design pressure, so that the filter element cleaning assembly 100 can effectively and quickly clean the filter element 200. The filter element cleaning assembly 100 can also be used as an independent assembly to be combined with a plurality of water purifiers 10 without the function of automatically cleaning the filter element 200, so that the application range of the self-feeding cleaning assembly is improved. Optionally, the fourth preset time is between 0 and 5min, and the fifth preset time is between 0 and 72 h. Or the fourth preset time and the fifth preset time may be within other reasonable ranges.
The following describes the use of the cartridge cleaning assembly 100, the purifier 10, and the detailed cartridge 200 cleaning method provided by the present application by way of specific examples.
Specific example 1:
as shown in fig. 2, during normal water production, the backwash valve 150 and the drain control valve 500 are closed, the water guide valve 700 is opened, and tap water passes through the filter element 200, the water pump 300, and the water guide valve 700 to obtain purified water. At the same time of water production, the purified water filtered by the filter element 200 is stored in the backwashing tank 110 after passing through the water pump 300 and the pressure stabilizing device 130, and the pressure of the backwashing tank 110 rises through the pressurization of the water pump 300, and the pressure of the backwashing tank 110 is controlled through adjusting the pressure stabilizing device 130, so that the backwashing effect of the backwashing process is ensured. The regulating range of the voltage stabilizing device 130 is set to be 0.1Mpa-0.8Mpa, for example, the voltage stabilizing device can be stabilized at 0.25Mpa when in use. During automatic cleaning, the water pump 300 and the water guide valve 700 are closed, and the backwash valve 150 and the drain control valve 500 are opened. At this time, the backwash tank 110 provides the flushing power, and the clean water of the backwash tank 110 reversely cleans the filter element 200 through the backwash switch 151 and the backwash check valve 152, so that the pollutants on the surface of the filter element 200 are loosened or fall off, and at this time, the tap water provides the forward flushing force, so that the pollutants on the surface of the filter element 200 are further flushed out and discharged from the drainage control valve 500, thereby prolonging the service life of the filter element 200.
Specific example 2:
as shown in fig. 3, a fine filtration and post-treatment component 800 is added on the basis of the specific embodiment 1, and can be a fine filtration system such as a reverse osmosis membrane, a nanofiltration membrane, an ultrafiltration membrane, etc., which is applied to a water purification product of a water purifier 10, a water purifier, an engineering machine, a campus machine, a nanofiltration machine, an ultrafiltration machine, etc., so that the service life of the water purification product is greatly prolonged. The operation of the water purifier 10 is the same as that of embodiment 1.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (15)
1. The utility model provides a purifier, its characterized in that, purifier includes filter core, water pump and filter core cleaning element, filter core cleaning element includes:
a backwash tank capable of storing a certain amount of backwash water;
the water storage pipeline is provided with a water storage inlet and a water storage outlet, the water storage outlet is communicated with the backwashing tank, and the water storage inlet is communicated with the water outlet end of the water pump;
the pressure stabilizing device is connected in series with the water storage pipeline and is used for adjusting the water pressure flowing through the pressure stabilizing device in a certain range;
the backwash pipeline is provided with a backwash water inlet and a backwash water outlet, the backwash water inlet is communicated with the backwash tank, the backwash water outlet is communicated with the filter element, and the backwash pipeline can convey backwash water in the backwash tank to the filter element;
the backwashing valve is connected in series with the backwashing pipeline and is used for controlling the flow of backwashing water in the backwashing pipeline;
the water pump is provided with a water inlet end and a water outlet end, the filter element is provided with a water inlet end and a purified water outlet end, the water inlet end of the filter element is communicated with a water source, and the purified water outlet end of the filter element is communicated with the water inlet end of the water pump; when the filter element is cleaned, backwash water in the backwash tank enters the filter element through the backwash pipeline, backwash water conveyed by the backwash pipeline backwash the filter element, and water introduced from the water inlet end of the filter element positively flushes the filter element.
2. The water purifier of claim 1, wherein the pressure stabilizing device comprises a pressure reducing valve or a pressure stabilizing valve, and the pressure stabilizing value of the pressure stabilizing device is adjustable or fixed.
3. The water purifier of claim 2, wherein the pressure regulator has an adjustable pressure regulator, and wherein the pressure regulator regulates the amount of water flowing through the pressure regulator within a first predetermined pressure range.
4. The water purifier of claim 2, wherein the pressure stabilizing device has a fixed pressure stabilizing value, and wherein the pressure stabilizing device adjusts the water pressure flowing through the pressure stabilizing device to any value within a first predetermined pressure range.
5. The water purifier of any one of claims 1-4, wherein the backwash valve comprises a backwash switch and a backwash check valve, the backwash switch and the backwash check valve being respectively connected in series with the backwash line.
6. The water purifier of any one of claims 1-4, wherein the backwash tank has a spherical, cylindrical, square or profiled shape and a volume of 5 liters or less.
7. The water purifier of claim 6, wherein the filter element cleaning assembly comprises a plurality of backwash tanks, the backwash tanks are respectively communicated with the water storage outlet and the backwash water inlet, and the backwash tanks are connected in series or in parallel.
8. The water purifier of claim 1, further comprising a drain line in communication with the filter element, the drain line for draining backwash water after flushing the filter element, and a drain control valve for controlling on/off of the drain line.
9. The water purifier of claim 1, further comprising a water guide pipeline and a water guide valve, wherein the water guide pipeline is communicated with the water outlet end of the water pump or the purified water outlet end of the filter element, the water guide valve is connected in series with the water guide pipeline, and the water guide valve is used for controlling the on-off of the water guide pipeline; the water guide pipeline conveys water flowing through the water pump to a user for use, or the water guide pipeline conveys water flowing through the filter element to a subsequent water treatment assembly.
10. The water purifier of claim 9, further comprising a fine filtration and post-treatment assembly in communication with the water conduit that delivers water flowing through the filter cartridge to the fine filtration and post-treatment assembly.
11. The water purifier of any one of claims 1-10, further comprising a water guide pipeline, a water guide valve, a drainage pipeline and a drainage control valve, wherein the drainage pipeline is communicated with the filter element and is used for discharging backwash water after flushing the filter element, the drainage control valve is used for controlling on-off of the drainage pipeline, the water guide pipeline is communicated with a water outlet end of the water pump or a purified water outlet end of the filter element, the water guide valve is connected in series with the water guide pipeline, the water guide valve is used for controlling on-off of the water guide pipeline, and the method for cleaning the filter element after the filter element accumulates water production for a first preset time comprises the following steps:
s3: closing the water pump and the water guide valve, and opening the drainage control valve for a second preset time;
s4: opening the backwashing valve to allow the backwashing water in the backwashing tank to enter the filter element through the backwashing pipeline, wherein the backwashing water conveyed by the backwashing pipeline backflushes the filter element, and the backflushing time is a third preset time.
12. The method of cleaning a filter cartridge of claim 11, further comprising S2 prior to step S3: closing the drainage control valve and the backwashing valve, opening the water pump and the water guide valve, enabling the water filtered by the filter element to sequentially flow through the water pump and the pressure stabilizing device and finally be stored in the backwashing tank, adjusting the water pressure in the backwashing tank to be 0.1Mpa-0.8Mpa by the pressure stabilizing device, and operating the water pump for a fourth preset time; and circularly executing the steps S2-S4.
13. The method according to claim 12, wherein in the step S2, the pressure stabilizing device adjusts the water pressure in the backwash tank to be stabilized at 0.25Mpa.
14. The method of cleaning a filter cartridge of claim 11, wherein step S4 further comprises: the water introduced from the water inlet end of the filter element is used for positively flushing the filter element.
15. The method of any one of claims 11-14, wherein the filter element is standby after a first predetermined time of accumulated water production, and the purifier is standby for a fifth predetermined time, and the filter element is cleaned.
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| CN111617539B (en) * | 2020-06-07 | 2021-09-03 | 南京依柯卡特排放技术股份有限公司 | Pipeline filtration water treatment reverse-flow type self-cleaning system |
| CN112316556A (en) * | 2020-10-28 | 2021-02-05 | 飞潮（无锡）过滤技术有限公司 | Modular small intelligent continuous flow purification device and method |
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