CN107879423B - Water purifier and waterway system thereof - Google Patents
Water purifier and waterway system thereof Download PDFInfo
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- CN107879423B CN107879423B CN201711305561.2A CN201711305561A CN107879423B CN 107879423 B CN107879423 B CN 107879423B CN 201711305561 A CN201711305561 A CN 201711305561A CN 107879423 B CN107879423 B CN 107879423B
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- supplementing
- purifier
- control valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 562
- 230000001502 supplementing effect Effects 0.000 claims abstract description 72
- 239000012528 membrane Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000005406 washing Methods 0.000 claims abstract description 24
- 238000001223 reverse osmosis Methods 0.000 claims description 44
- 238000000746 purification Methods 0.000 claims description 36
- 239000002351 wastewater Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 11
- 229920000742 Cotton Polymers 0.000 description 10
- 238000011045 prefiltration Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000008399 tap water Substances 0.000 description 6
- 235000020679 tap water Nutrition 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
- B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- 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
- C02F2209/02—Temperature
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a water purifier and a water path system thereof, wherein the water path system of the water purifier comprises a water storage tank, a pure water tank, a water supplementing pipeline and a water making pipeline, the inlet end of the water supplementing pipeline is connected with a water supplementing bucket, the outlet end of the water supplementing pipeline is connected with the inlet of the water storage tank, the water supplementing pipeline is provided with a pretreatment mechanism, a booster pump and a water supplementing control unit for controlling the on-off of the pipeline, the water making pipeline is respectively communicated with the outlet of the water storage tank and the inlet of the pure water tank, and the water making pipeline is provided with a water making control unit for controlling the on-off of the water making pipeline. The water supplementing bucket is arranged to provide raw water for the water purifier, so that the water purifier can be used in places without water sources, and the technical problem that the water purifier in the prior art is single in water source is solved. The water path system of the water purifier can be further combined with the membrane washing pipeline, the emptying pipeline and the water return pipeline, so that water resources can be utilized effectively and intelligently, and the energy-saving and environment-friendly effects of the water purifier are effectively improved; in addition, each waterway is organically combined, so that the structural compactness of the water purifier is improved, and the occupied space of the water purifier is reduced.
Description
Technical Field
The invention relates to a water purifier and a waterway system thereof.
Background
The water inlet of the general water purifier is connected with water sources such as a tap water pipe, and the water source is single, however, the tap water pipe is not arranged in a plurality of public places or the tap water pressure is low, so that the water source cannot be connected, and the manual water pouring easily leads to excessive water overflow of the water tank and more complex operation. The single water resource utilization rate of the waterway system is lower, the wastewater is not utilized to the maximum extent, the water resource waste is caused, and the waterway system is not consistent with the environment protection and energy conservation advocated at present.
Disclosure of Invention
The embodiment of the invention relates to a water purifier and a waterway system thereof, which at least can solve part of defects in the prior art.
The embodiment of the invention relates to a water path system of a water purifier, which comprises a water storage tank, a pure water tank, a water supplementing pipeline and a water making pipeline, wherein the inlet end of the water supplementing pipeline is connected with a water supplementing bucket, the outlet end of the water supplementing pipeline is connected with the inlet of the water storage tank, the water supplementing pipeline is provided with a pretreatment mechanism, a booster pump and a water supplementing control unit for controlling the on-off of the pipeline, the water making pipeline is respectively communicated with the outlet of the water storage tank and the inlet of the pure water tank, and the water making pipeline is provided with a water making control unit for controlling the on-off of the water making pipeline.
As one of the embodiments, the pretreatment mechanism and the booster pump are sequentially arranged along the water supplementing direction, and the water supplementing control unit comprises a first water supplementing control valve positioned between the pretreatment mechanism and the booster pump and a second water supplementing control valve positioned between the booster pump and the water storage tank; the water production pipeline comprises a water inlet section and a purification section provided with a reverse osmosis purification mechanism, wherein one end of the water inlet section is connected with the water storage tank, the other end of the water inlet section is connected with a water supplementing pipe body between the first water supplementing control valve and the booster pump, one end of the purification section is connected with the pure water tank, the other end of the purification section is connected with a water supplementing pipe body between the booster pump and the second water supplementing control valve, and the water production control unit comprises a first water production control valve arranged on the water inlet section and a second water production control valve arranged between the inlet end of the purification section and the reverse osmosis purification mechanism.
As one embodiment, the reverse osmosis purification mechanism is connected with a membrane washing pipeline.
As one of the embodiments, the outlet end of the membrane washing pipeline is connected to the water making pipe body between the booster pump and the first water making control valve, the inlet end of the membrane washing pipeline is communicated with the outlet of the pure water tank, and the membrane washing pipeline is provided with a membrane washing control valve.
As one of the embodiments, the waste water outlet of the reverse osmosis purification mechanism is connected with the water storage tank.
As one of the embodiments, the water storage tank is connected with an emptying pipeline, the outlet end of the emptying pipeline is connected to the water replenishing bucket, and the emptying pipeline is provided with an emptying control unit for controlling on-off of the emptying pipeline.
As one embodiment, the inlet end of the emptying pipeline is connected with the water making pipe body between the booster pump and the second water making control valve.
As one of the embodiments, the water purifier waterway system further comprises a water return pipeline, wherein the inlet end of the water return pipeline is connected with the water receiving box of the water purifier, the outlet end of the water return pipeline is connected with the water storage tank, and a water return control valve is arranged on the water return pipeline.
As one embodiment, the outlet end of the water return pipeline is connected to the water replenishing pipeline and the bypass point is located between the pretreatment mechanism and the water replenishing bucket.
The embodiment of the invention relates to a water purifier, which comprises a machine body and the water purifier waterway system, wherein the water storage tank and the pure water tank are arranged in the machine body, and the water supplementing bucket is arranged close to the machine body.
The embodiment of the invention has at least the following beneficial effects:
according to the water purifier waterway system, the water supplementing bucket is arranged to provide raw water for the water purifier, so that the water purifier can be used in a water source-free place, and the problem that the water purifier is used in an area where a tap water pipe cannot be connected in the prior art, or the technical problem that the water source of the water purifier is single in the prior art, is solved. The water storage tank and the pure water tank are configured and used for raw water cache and pure water cache, so that the working rhythm among the water supplementing bucket, the water supplementing pipeline and the water producing pipeline can be coordinated, the real-time performance of water purification mechanism water and pure water supply is ensured, and the influence on the normal operation of the water purifier due to no raw water supply or low raw water pressure in the water supplementing bucket is avoided.
According to the water purifier waterway system provided by the invention, 5 waterways are combined, namely, the water supplementing pipeline, the water preparing pipeline, the membrane washing pipeline, the emptying pipeline and the water returning pipeline are combined, so that water resources can be utilized effectively and intelligently, and the energy-saving and environment-friendly effects of the water purifier are effectively improved; moreover, each waterway is organically combined instead of being independently wired, so that the structural compactness of the water purifier can be improved, and the occupied space of the water purifier is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water purifier waterway control system using a first-stage RO membrane according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water purifier waterway control system using two-stage RO membranes according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a water purifier waterway control system with a front water filtering flow path according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a water purifier waterway control system with a primary filtering flow path according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a raw water pipeline according to a second embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a water purifier waterway system according to a third embodiment of the present invention;
FIG. 7 is a schematic diagram of the water replenishment circuit of FIG. 6;
FIG. 8 is a schematic view of the water making pipeline in FIG. 6;
FIG. 9 is a schematic diagram of the membrane wash pipeline in FIG. 6;
FIG. 10 is a schematic diagram of the water return line of FIG. 6;
fig. 11 is a schematic view of the evacuation line of fig. 6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to fig. 4, an embodiment of the present invention provides a water path control system for a water purifier, including a water supply pipeline connecting a raw water source and a water outlet of the water purifier, a purifying mechanism and a heating mechanism 105 are sequentially disposed on the water supply pipeline along a water supply direction, and a preheating flow path 104 and an emptying flow path 106 are connected on the water supply pipeline; both ends of the preheating flow path 104 are connected between the purifying mechanism and the heating mechanism 105, a first control valve 109 is arranged between both ends of the preheating flow path 104 on the water supply pipe, and a second control valve 1042 and a preheating tank 1041 with a preheating unit are arranged on the preheating flow path 104; an inlet end of the evacuation flow path 106 is connected between the heating mechanism 105 and the water outlet of the water purifier, and an evacuation valve 1061 is provided on the evacuation flow path 106.
The water path control system of the water purifier provided by the embodiment can realize the use of cold water, warm water and hot water at the same water outlet of the water purifier, effectively improves the use convenience and improves the user experience; in addition, by configuring the preheating flow path 104, the preheating tank 1041 can pre-store the preheating water with a certain temperature, when hot water is needed to be used, the heating mechanism 105 can be used for reheating the preheating water, so that the response speed of the water purifier for hot water outlet can be effectively improved, the hot water outlet flow (in the embodiment, the flow rate can reach 0.7L/min, namely 42L/h) can be ensured, and meanwhile, the power of the heater can be effectively reduced. Specifically:
When cold water is used, water is supplied to the water outlet of the water purifier through the water supply pipeline, and the heating mechanism 105 does not work;
when warm water is used, water is supplied to a water outlet of the water purifier through the water supply pipeline, the heating mechanism 105 works, and the water outlet temperature is controlled within a proper range (such as not more than 50 ℃); or the first control valve 109 is closed, water is supplied to the water outlet of the water purifier through the preheating tank 1041, and the heating mechanism 105 is not operated;
When hot water is used, the first control valve 109 is closed, water is supplied to the water outlet of the water purifier through the preheating tank 1041, and the heating mechanism 105 is operated.
Further, through the above-mentioned evacuation flow path 106 that sets up, to the evacuation of the original low temperature residual water in the heating pipeline, guarantee that initial water temperature reaches required high temperature promptly, effectively improve purifier hot water play response speed.
Preferably, the heating mechanism 105 includes a heater 105 and a temperature detecting unit for detecting the temperature of the water discharged from the heater 105, and the temperature detecting unit is controlled in interlocking with the drain valve 1061. Generally, the water purifier has a central controller (such as a single chip microcomputer and a control circuit board), and the first control valve 109, the second control valve 1042, the drain valve 1061, the heater 105, and the preheating unit in the preheating tank 1041 are all electrically connected to the central controller, and the working states of the components are controlled by the central controller, so that the required water temperature is achieved. The above described automated control process is easily designed by a person skilled in the art according to the prior art without additional programming.
The heater 105 may be a thick film heater 105, and the temperature detecting unit is preferably a temperature measuring probe for monitoring the water temperature in the thick film heater 105. In this embodiment, the power of the thick film heater 105 is within 2200W, so that the required outlet temperature and timeliness can be ensured. Generally, if the booster pump 102 (water pump) is provided on the water supply line, the central controller controls the booster pump 102 to increase the rotation speed if the temperature measuring probe detects that the outlet water temperature of the thick film heater 105 is higher than a preset maximum Gao Wenzhi (98-100 ℃); if the temperature probe detects that the outlet water temperature of the thick film heater 105 is lower than the preset minimum high temperature value (94-92 ℃), the central controller controls the rotation speed of the booster pump 102 to be reduced, so that the outlet water temperature of the hot water is controlled within a stable range.
In a preferred embodiment, when the temperature probe detects that the water temperature in the thick film heater 105 is below a preset evacuation temperature (which may be selected in the range of 68-72 ℃), the evacuation flow path 106 is activated to evacuate the low-temperature residual water in the water supply line.
As a preferred embodiment, as shown in fig. 1 to 4, the purifying mechanism includes a pre-filter unit 101 and a reverse osmosis unit 103 arranged in sequence along a water supply direction, and a first booster pump 102 is provided between the pre-filter unit 101 and the reverse osmosis unit 103. Pure water suitable for drinking can be obtained by the purification action of the pre-filtration unit 101 and the reverse osmosis unit 103. Further preferably, the above-mentioned evacuated low-temperature residual water can be used for flushing and maintaining the reverse osmosis membrane of the reverse osmosis unit 103, which is environment-friendly and can prolong the service life of the reverse osmosis membrane, and specifically, the following embodiments can be adopted:
(1) As one of the possible embodiments, as shown in fig. 1, the outlet end of the evacuation flow path 106 is connected by a water supply pipe body between the pre-filtration unit 101 and the reverse osmosis unit 103. A water inlet control valve 107 may be further provided on the water supply pipe body between the pre-filter unit 101 and the first booster pump 102. The evacuation flow path 106 is preferably connected by a water supply pipe body between the pre-filter unit 101 and the first booster pump 102; of course, a power pump may be further provided in the evacuation flow path 106 by being connected to the water supply pipe body between the first booster pump 102 and the reverse osmosis unit 103.
When the reverse osmosis membrane is maintained, the intake control valve 107, the first control valve 109 and the second control valve 1042 are closed, the drain valve 1061 and the first booster pump 102 are opened, the reverse osmosis membrane can be rinsed and maintained, and the fresh water side pressure of the reverse osmosis membrane 103 is increased due to the closing of the first control valve 109 and the second control valve 1042, so that the pressure maintaining and backwashing functions can be performed.
Still preferably, as shown in fig. 3, the water purifier waterway control system further includes a pre-filtered water flow path 111, two ends of the pre-filtered water flow path 111 are both connected to the evacuation flow path 106 and are separated to two sides of the evacuation valve 1061, and a third control valve 1111 is disposed on the pre-filtered water flow path 111. In the case where the drain flow path 106 is connected between the front filter unit 101 and the first booster pump 102, a power pump 1112 is further added to the front filtered water flow path 111.
(2) As one of possible embodiments, as shown in FIG. 2, the reverse osmosis unit 103 comprises two stages of RO membranes connected in series, which has better purification effect on raw water than the mode of adopting one stage of RO membrane, further improves the purity of the water discharged from the water purifier, and the two sets of RO membranes can share reverse osmosis purification work, so that the service life of the two sets of RO membranes can be prolonged.
Preferably, the outlet end of the evacuation flow path 106 is connected to a water supply pipe body between the two stages of the RO membranes, and a second booster pump 1062 is further provided on the evacuation flow path 106. Further, a water inlet control valve 107 may be provided on a water supply pipe body between the pre-filtration unit 101 and the first booster pump 102 or a water supply pipe body between the first booster pump 102 and the first-stage RO membrane 1031.
When the reverse osmosis membrane is maintained, the water inlet control valve 107, the first control valve 109 and the second control valve 1042 are closed, the evacuation valve 1061 and the first booster pump 102 are opened, the reverse osmosis membrane 1031 can be backwashed and maintained, and the fresh water side pressure of the second RO membrane 1032 is increased due to the closing of the first control valve 109 and the second control valve 1042, so that the pressure maintaining and backwashing functions are performed, and the two-stage RO membrane can be maintained simultaneously. Further, an intermediate control valve 112 may be provided between the two RO membranes, and the intermediate control valve 112 may be opened and closed as necessary, so that it is selected whether the back flushing maintenance is performed on the first RO membrane 1031 or the maintenance is performed on the two RO membranes simultaneously.
Still preferably, as shown in fig. 4, the water path control system of the water purifier further includes a primary filtered water path 113, an inlet end of the primary filtered water path 113 is connected to a water supply pipe body between the first booster pump 102 and the first stage RO membrane 1031, an outlet end of the primary filtered water path 113 is connected to the evacuation flow path 106 and is located between the evacuation valve 1061 and an inlet end of the evacuation flow path 106, a fourth control valve 1131 is disposed on the primary filtered water path 113, and a fifth control valve 114 is disposed on the water supply pipe body between the inlet end of the primary filtered water path 113 and the first stage RO membrane.
In the two embodiments, the front filtering water flow path 111/the primary filtering water flow path 113 is connected between the front filtering unit 101 and the reverse osmosis unit 103, and the raw water can be directly discharged from the water outlet of the water purifier after being treated by the front filtering unit 101, for example, the raw water can be used as domestic water for washing clothes, cooking, etc., so that the application range of the water purifier is improved; based on the existence of the emptying flow path 106, when pure water is needed, the front filtered residual water in the water supply pipeline can be emptied through the emptying flow path 106, so that the water outlet cleanliness of the water outlet of the water purifier is ensured to be suitable for drinking, and the user requirement is ensured.
The pre-filter unit 101 can be selected according to practical requirements, and a primary purification structure commonly used in the art can be adopted. In this embodiment, as shown in fig. 1 to fig. 4, the front filtering unit 101 includes a first front filtering structure 1011 and a second front filtering structure 1012 that are sequentially disposed along a water supply direction, the first front filtering structure 1011 includes two stages of first filter element assemblies connected in series, the second front filtering structure 1012 includes two stages of second filter element assemblies connected in series, the first filter element assembly is a filter assembly formed by wrapping PP cotton with activated carbon, and the second filter element assembly is a filter assembly formed by wrapping PP cotton with activated carbon.
Further, a raw water TDS detection valve 108 may be provided on the water supply line, and the raw water TDS detection valve 108 is preferably provided between the pre-filtration unit 101 and the reverse osmosis unit 103; based on the above structure provided with the front filtrate channel 111/the primary filtrate channel 113, whether the front filtrate enters the reverse osmosis unit 103 or not may be selected based on the detection information of the raw water TDS detection valve 108, and for the above structure using the two-stage RO membrane, whether the front filtrate is subjected to the primary reverse osmosis treatment or the secondary reverse osmosis treatment may be selected, that is, a bypass is led out between the two-stage RO membranes, and a bypass valve is provided on the bypass, and the outlet end of the bypass is connected between the second-stage RO membrane 1032 and the first control valve 109. A check valve 110 may be further provided on the water supply pipe body between the two ends of the preheating flow path 104, and the flow direction of the check valve 110 is from the reverse osmosis unit 103 to the heating mechanism 105; the preheating flow path 104 may be provided with a pure water TDS detection valve 1043, an electromagnetic pump 1044, and the like; a liquid level meter may be further disposed in the preheating tank 1041, when the water level in the preheating tank 1041 is lower than the preset water level, water is supplied to the preheating tank 1041, and when the water level reaches the preset water level, water supply is stopped, and a conventional heating device may be adopted for the built-in preheating unit in the preheating tank 1041, which is easy to design by a person skilled in the art and is not described herein again; the evacuation flow path 106 may further include a check valve 110, and the flow direction of the check valve 110 is from the heating mechanism 105 to the reverse osmosis unit 103.
Example two
As shown in fig. 5, an embodiment of the present invention provides a water purifier waterway system, which includes a raw water pipeline 201 and a raw water treatment pipeline, wherein the raw water treatment pipeline may adopt the water purifier waterway control system provided in the first embodiment, and of course, an existing conventional raw water treatment manner of a water purifier may also be adopted, and a specific structure is omitted here. Alternatively, this embodiment may be a supplement to the first embodiment described above, in which the raw water line 201 communicates with the water supply line described above and is used as a raw water source therein.
In this embodiment, the raw water pipeline 201 is connected to a water inlet of the water purifier, and the raw water treatment pipeline is connected to the water inlet and the water outlet of the water purifier. Preferably, the raw water pipeline 201 is sequentially provided with a raw water tank 202, a power unit 203 and a control switch 204 for controlling the on-off of the pipeline along the water supply direction, wherein the raw water tank 202 is used for storing raw water and providing raw water for the water purifier, so that the water purifier can be used in places without water sources, the problem that the water purifier in the prior art can be used in areas where a tap water pipe cannot be connected is solved, and the water purifier can be used with various water purifiers without being limited by brands and models.
Further, the water purifier waterway system further comprises a central controller and a detection unit for detecting the water level in the raw water tank 202 or detecting the pressure at the outlet end of the raw water tank 202, wherein the detection unit, the power unit 203 and the control switch 204 are electrically connected with the central controller. The connection structure of each element and the central controller and the control mode of the central controller on each element can adopt the conventional automatic control mode without additional programming, and are easy to design and realize by a person skilled in the art. The central controller can be a PC terminal arranged on the site or a singlechip or the like. It is to be understood that the above-mentioned detecting unit may be a level gauge for detecting the water level in the raw water tank 202, a pressure sensor for detecting the pressure at the outlet of the raw water tank 202 or the pressure in the raw water pipe, etc. The power unit 203 generally adopts a water pump or a pipeline booster pump. For convenient adaptation to the general power supply in the field, the control switch 204, the power unit 203, the detection unit, etc. may be connected to the power supply by using a power adapter 207, etc.
The raw water pipeline 201 operates as follows: when the water purification mechanism is used for purifying water, the pressure drop of the water in the raw water pipeline 201 is low, at the moment, the control switch 204 is turned on, and the power unit 203 starts to work to pump water when being electrified; after the water purification mechanism is finished, the water pressure in the raw water pipeline 201 is increased, at the moment, the control switch 204 is closed, and the water pump is powered off to stop pumping water.
Further preferably, as shown in fig. 5, the water path system of the water purifier further comprises a waste water tank 205, wherein the waste water tank 205 is arranged above the raw water tank 202 and is communicated with a waste water outlet of the water purifier through a waste water pipe 206, and waste water generated by the water purifier is recovered through the waste water tank 205 and can be reused to save water resources. Preferably, the waste water tank 205 is supported at the top of the original water tank 202, which can have the same cross-sectional shape and size as the original water tank 202, for example, the original water tank 202 and the waste water tank 205 are square boxes with the same length and width, and the heights of the two can be set differently. Further, as shown in fig. 5, the waste water tank 205 is provided with an overflow channel communicated with the original water tank 202, and the overflow channel can avoid water resource loss caused by overflow of the waste water tank 205, and at the same time, the waste water can be at least partially recycled. The overflow channel may be in the form of a connecting overflow pipe, or may adopt the structure shown in fig. 5: one side wall of the wastewater tank 205 is recessed toward the inner side of the wastewater tank 205 to form an overflow groove, the top of the overflow groove is provided with an overflow port, and the bottom of the overflow groove is communicated with the original water tank 202.
Example III
Referring to fig. 6, an embodiment of the present invention provides a water purifier waterway system, which includes a water tank 302, a pure water tank 303, a water supplementing pipeline, and a water producing pipeline, wherein an inlet end of the water supplementing pipeline is connected with a water supplementing bucket 301, an outlet end of the water supplementing pipeline is connected with an inlet of the water tank 302, the water supplementing pipeline is provided with a pretreatment mechanism 306, a booster pump 305, and a water supplementing control unit for controlling on-off of the pipeline, the water producing pipeline is respectively communicated with an outlet of the water tank 302 and an inlet of the pure water tank 303, and the water producing pipeline is provided with a water producing control unit for controlling on-off of the water producing pipeline.
Similarly, in this embodiment, the water replenishing bucket 301 is provided to provide raw water for the water purifier, so that the water purifier can be used in a water source-free place, and the problem that the water purifier is used in an area where a tap water pipe cannot be connected in the prior art, or that is, the technical problem that the water purifier uses a single water source in the prior art is solved. The configuration storage water tank 302 and the pure water tank 303 are used for raw water caching and pure water caching, so that the working rhythm among the water supplementing water bucket 301, the water supplementing pipeline and the water preparing pipeline can be coordinated, the real-time performance of water purification mechanism water and pure water supply is ensured, and the influence on the normal operation of the water purifier due to no raw water supply or low raw water pressure in the water supplementing water bucket 301 is avoided.
It is easy to understand that the power pump is also needed on the water producing pipeline, in this embodiment, the water supplementing pipeline and the water producing pipeline are preferably designed to share the same booster pump 305, so that the equipment cost and the operation cost can be saved, in particular, the structural compactness of the water purifier can be effectively improved, and the occupied space of the water purifier can be reduced. Specifically, as shown in fig. 6 to 8, the pretreatment mechanism 306 and the booster pump 305 are disposed in this order along the water replenishment direction, and the water replenishment control unit includes a first water replenishment control valve 307 between the pretreatment mechanism 306 and the booster pump 305 and a second water replenishment control valve 313 between the booster pump 305 and the water storage tank 302; the water producing pipeline comprises a water inlet section and a purifying section provided with a reverse osmosis purifying mechanism 304, one end of the water inlet section is connected with the water storage tank 302, the other end of the water inlet section is connected with a water supplementing pipe body between the first water supplementing control valve 307 and the booster pump 305, one end of the purifying section is connected with the pure water tank 303, the other end of the purifying section is connected with a water supplementing pipe body between the booster pump 305 and the second water supplementing control valve 313, and the water producing control unit comprises a first water producing control valve 308 arranged on the water inlet section and a second water producing control valve 309 arranged between the inlet end of the purifying section and the reverse osmosis purifying mechanism 304.
Further, level gauges may be provided in the above-described water replenishment tub 301, water storage tank 302, and pure water tank 303, respectively. After the water purifier is electrified, a control system (a control circuit board/a singlechip) firstly collects liquid level information in the water supplementing bucket 301, judges whether the water level in the water supplementing bucket 301 reaches a middle water level, and if the water level does not reach the middle water level, can pop up a water supplementing interface on a display screen of the water purifier to remind a user of water supplementing operation; the control system collects the liquid level information in the water storage tank 302 again, judges whether the water level in the water storage tank 302 reaches the medium water level, and if the water level does not reach the medium water level, controls the water supplementing pipeline to supplement water in the water storage tank 302; the control system collects the liquid level information in the pure water tank 303 again, judges whether the water level in the pure water tank 303 reaches the middle water level, and controls the water making pipeline to make water if the water level does not reach the middle water level.
Further optimizing the waterway system, the reverse osmosis purification mechanism 304 is connected with a membrane washing pipeline, so that the service life of the reverse osmosis purification mechanism 304 can be prolonged. As a preferred embodiment, as shown in fig. 6 and fig. 9, the outlet end of the membrane washing pipeline is connected to the water making pipe body between the booster pump 305 and the first water making control valve 308, and the inlet end is connected to the outlet of the pure water tank 303, and the membrane washing pipeline is provided with a membrane washing control valve 310, so that the reverse osmosis membrane of the reverse osmosis purification mechanism 304 is washed by pure water in the pure water tank 303, and the maintenance effect on the reverse osmosis membrane is better. In a specific practical operation, the pure water washing operation may be automatically performed after the high water level in the pure water tank 303 is detected, and the washing time is in the range of 20 to 40s, preferably 30s. In this embodiment, the membrane washing pipeline shares the same booster pump 305 with the water supplementing pipeline and the water preparing pipeline, so that the structural compactness of the water purifier can be further improved, and the occupied space of the water purifier is reduced.
In other embodiments, the pure water storage device may be additionally provided and pure water may be supplied to the reverse osmosis membrane through the power pump, or as a feasible embodiment, the water purifier waterway system provided in this embodiment may be applied to the water purifier waterway control system provided in the first embodiment, and the manner of flushing and maintaining the reverse osmosis membrane in the first embodiment may be adopted, so that a specific connection structure is easy for a person skilled in the art to design, and is not repeated herein.
Further optimizing the waterway system, as shown in fig. 6 and 11, the waste water outlet of the reverse osmosis purification mechanism 304 is connected with the water storage tank 302, so that the part of waste water can be reused to save water resources. Based on this embodiment, since the water storage tank 302 has recycled wastewater, in order to avoid the influence of excessive circulation times on the workload and the service life of the reverse osmosis membrane, the water storage tank 302 may be periodically or aperiodically emptied, in this embodiment, the emptying operation is set for 24h, which may be automatic operation of the system or a pop-up operation prompt on a display screen, and the user performs a key operation. Namely: the water storage tank 302 is connected with an emptying pipeline, and an emptying control unit 311 (preferably an electromagnetic valve) for controlling the on-off of the emptying pipeline is arranged on the emptying pipeline; further preferably, the outlet end of the emptying pipeline is connected to the water replenishing bucket 301, and at this time, water in the water replenishing bucket 301 can be reused, so that the utilization rate of waste water can be remarkably improved, the recycling of all waste water is basically realized, and the energy-saving and environment-friendly performances of the water purifier are improved. Preferably, as shown in fig. 6, the inlet end of the evacuation pipe is connected to the water production pipe between the booster pump 305 and the second water production control valve 309. Similarly, the evacuation pipeline shares the same booster pump 305 with the water supplementing pipeline and the water producing pipeline (and the membrane washing pipeline), so that the structural compactness of the water purifier can be further improved, and the occupied space of the water purifier can be reduced.
As a preferred embodiment, as shown in fig. 6 and 10, the water path system of the water purifier further includes a water return pipe, wherein an inlet end of the water return pipe is connected with the water receiving box of the water purifier, an outlet end of the water return pipe is connected with the water storage tank 302, and a water return control valve 312 is arranged on the water return pipe. Through this return water pipeline, can retrieve the waste water in the water receiving box, reach the purpose of waste water reuse, further improve the energy-concerving and environment-protective nature of purifier. The water receiving box can be internally provided with detection elements such as a liquid level meter and the like, and when water in the water receiving box is detected or reaches a certain water level, the water return pipeline is started. The power pump and the purifying device may be disposed on the water return pipeline, or as shown in fig. 6, the outlet end of the water return pipeline is connected to the water supplementing pipeline and the bypass point is located between the pretreatment mechanism 306 and the water supplementing bucket 301, that is, the water return pipeline and the water supplementing pipeline share a set of pretreatment mechanism 306, and share the same booster pump 305 with the water supplementing pipeline, the water producing pipeline (and the membrane washing pipeline and the emptying pipeline), so that the structural compactness of the water purifier can be further improved, and the occupied space of the water purifier is reduced.
The pretreatment mechanism 306 described above may employ a primary purification structure commonly used in the art, or employ the prefilter unit 101 provided in the first embodiment described above. In this embodiment, the pretreatment mechanism 306 includes a first-stage PP cotton purification module 3061, a pre-activated carbon module 3062, and a second-stage PP cotton purification module 3063, where the first-stage PP cotton purification module 3061 may employ PP cotton, and the first-stage PP cotton purification module 3061 may employ small PP cotton, i.e., the second-stage PP cotton purification module 3063 has a higher purification degree than the first-stage PP cotton purification module 3061.
The water purifier waterway system provided by the embodiment adopts 5 waterway combinations, namely the water supplementing pipeline, the water preparing pipeline, the membrane washing pipeline, the emptying pipeline and the water returning pipeline are combined, so that water resources can be utilized effectively and intelligently, and the energy-saving and environment-friendly effects of the water purifier are improved effectively; moreover, each waterway is organically combined instead of being independently wired, so that the structural compactness of the water purifier can be improved, and the occupied space of the water purifier is reduced.
It is to be understood that the waterway system provided in this embodiment can be applied to or combined with the waterway control system of the water purifier provided in the first embodiment, that is, the water tank 302 is added between the front filter unit 101 and the reverse osmosis unit 103, and the pure water tank 303 is added between the reverse osmosis unit 103 and the first control valve 109 (more specifically, on the water supply pipe body between the reverse osmosis unit 103 and the inlet end of the preheating flow path 104). For a structure provided with the evacuation flow path 106 of this embodiment, the evacuation flow path 106 may replace the membrane washing line in this embodiment.
Example IV
The embodiment of the invention provides a water purifier, which comprises a machine body, and further comprises a water path system, wherein the water path system is preferably the water purifier provided by the third embodiment, the water storage tank 302 and the pure water tank 303 are both arranged in the machine body, and the water supplementing bucket 301 is arranged close to the machine body.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The utility model provides a purifier waterway system which characterized in that: the water treatment device comprises a water storage tank, a pure water tank, a water supplementing pipeline and a water producing pipeline, wherein the inlet end of the water supplementing pipeline is connected with a water supplementing bucket, the outlet end of the water supplementing pipeline is connected with the inlet of the water storage tank, the water supplementing pipeline is provided with a pretreatment mechanism, a booster pump and a water supplementing control unit for controlling the on-off of the pipeline, the water producing pipeline is respectively communicated with the outlet of the water storage tank and the inlet of the pure water tank, and the water producing pipeline is provided with a water producing control unit for controlling the on-off of the water producing pipeline;
The pretreatment mechanism and the booster pump are sequentially arranged along the water supplementing direction, and the water supplementing control unit comprises a first water supplementing control valve positioned between the pretreatment mechanism and the booster pump and a second water supplementing control valve positioned between the booster pump and the water storage tank;
the water production pipeline comprises a water inlet section and a purification section provided with a reverse osmosis purification mechanism, one end of the water inlet section is connected with the water storage tank, the other end of the water inlet section is connected with a water supplementing pipe body between the first water supplementing control valve and the booster pump in a bypass mode, one end of the purification section is connected with the pure water tank, the other end of the purification section is connected with the water supplementing pipe body between the booster pump and the second water supplementing control valve in a bypass mode, and the water production control unit comprises a first water production control valve arranged on the water inlet section and a second water production control valve arranged between the inlet end of the purification section and the reverse osmosis purification mechanism;
The reverse osmosis purification mechanism is connected with a membrane washing pipeline; the outlet end of the membrane washing pipeline is connected to a water making pipe body between the booster pump and the first water making control valve, the inlet end of the membrane washing pipeline is communicated with the outlet of the pure water tank, and the membrane washing pipeline is provided with a membrane washing control valve;
The waste water outlet of the reverse osmosis purification mechanism is connected with the water storage tank; the water storage tank is connected with an emptying pipeline, the outlet end of the emptying pipeline is connected to the water supplementing bucket, and the emptying pipeline is provided with an emptying control unit for controlling the on-off of the emptying pipeline; and the inlet end of the emptying pipeline is connected with the water making pipe body between the booster pump and the second water making control valve.
2. The water purifier waterway system of claim 1, wherein: the water purifier further comprises a water return pipeline, wherein the inlet end of the water return pipeline is connected with the water receiving box of the water purifier, the outlet end of the water return pipeline is connected with the water storage tank, and a water return control valve is arranged on the water return pipeline.
3. The water purifier waterway system of claim 2, wherein: the outlet end of the water return pipeline is connected with the water supplementing pipeline by side, and the bypass point is positioned between the pretreatment mechanism and the water supplementing bucket.
4. The utility model provides a purifier, includes organism, its characterized in that: the water purifier waterway system of any one of claims 1 to 3, wherein the water storage tank and the pure water tank are both arranged in the machine body, and the water supplementing bucket is arranged close to the machine body.
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| CN108837969A (en) * | 2018-06-29 | 2018-11-20 | 天津奥爱思环保科技有限公司 | Integral type rainforest cylinder automatic spraying system |
| CN108715475A (en) * | 2018-07-02 | 2018-10-30 | 广州悦活环保科技有限公司 | A kind of water cleaning systems with pure water rinsing |
| CN114149116B (en) * | 2020-09-18 | 2023-01-24 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
| KR20220141688A (en) * | 2021-04-13 | 2022-10-20 | 엘지전자 주식회사 | water purifier |
| CN114751569A (en) * | 2022-05-05 | 2022-07-15 | 商丘职业技术学院 | Work station matched with water delivery robot |
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