CN219259775U - Water treatment system of direct drinking machine - Google Patents
Water treatment system of direct drinking machine Download PDFInfo
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- CN219259775U CN219259775U CN202320050918.1U CN202320050918U CN219259775U CN 219259775 U CN219259775 U CN 219259775U CN 202320050918 U CN202320050918 U CN 202320050918U CN 219259775 U CN219259775 U CN 219259775U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 325
- 230000035622 drinking Effects 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 70
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000001954 sterilising effect Effects 0.000 claims abstract description 38
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 30
- 238000011010 flushing procedure Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 235000013361 beverage Nutrition 0.000 claims 1
- 239000008213 purified water Substances 0.000 abstract description 46
- 239000008399 tap water Substances 0.000 abstract description 18
- 235000020679 tap water Nutrition 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
- 239000008236 heating water Substances 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a water treatment system of a direct drinking machine, which comprises a filtering device, wherein the filtering device comprises a first-stage filter, a second-stage reverse osmosis filter and a third-stage active carbon filter which are sequentially connected through pipelines, a booster pump is arranged on a connecting pipeline between the first-stage filter and the second-stage reverse osmosis filter, the first-stage filter is connected with a filtering water inlet through a water inlet electromagnetic valve, and the third-stage active carbon filter is connected with a filtering water outlet through a water outlet electromagnetic valve; the heat exchange device is used for heating water filtered by the filtering device, and a water inlet of the heat exchange device is connected with a filtering water outlet; the tail end sterilizing device is used for sterilizing the water outlet nozzle of the direct drinking machine and comprises a sterilizing lamp which is arranged in the water outlet nozzle of the direct drinking machine, and the water outlet nozzle is connected with the water outlet of the heat exchange device. Municipal tap water can be filtered into purified water without peculiar smell in a multistage filtering mode, and the purified water flows out of the water outlet nozzle after being sterilized by the sterilizing lamp, so that the purified water can be directly drunk, and the water purifying effect and the sterilizing effect are improved.
Description
Technical Field
The utility model relates to the technical field of water purifying equipment, in particular to a water treatment system of a direct drinking machine.
Background
The direct drinking machine has the function of purifying municipal tap water into purified water which can be directly drunk, and simultaneously has the functions of heating and refrigerating the purified water, and becomes one of the electric appliances indispensable to public places. At present, a conventional filter is usually arranged on a water inlet pipeline for simple filtration, and then the filtered water is sterilized and heated, but the conventional filter has a general filtration effect on heavy metals and organic compounds, can not remove peculiar smell of the water, can not be directly drunk, and has poor water purification effect; in addition, the sterilizing device is usually arranged in the water treatment loop, sterilized water needs to flow to the water outlet of the direct drinking machine through a section of water pipeline, bacteria still grow on the section of water pipeline, effective sterilization cannot be achieved, and the sterilizing effect is poor.
In summary, how to provide a water treatment system of a direct drinking machine capable of improving the water purifying effect and the sterilizing effect is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a water treatment system of a direct drinking machine, which can improve the water purifying effect and the sterilizing effect.
In order to achieve the above object, the present utility model provides the following technical solutions:
a water treatment system for a direct drinking machine for water treatment in the direct drinking machine, comprising:
the filtering device comprises a first-stage filter, a second-stage reverse osmosis filter and a third-stage active carbon filter which are sequentially connected through pipelines, wherein a booster pump is arranged on a connecting pipeline between the first-stage filter and the second-stage reverse osmosis filter, the first-stage filter is connected with a filtering water inlet through a water inlet electromagnetic valve, and the third-stage active carbon filter is connected with a filtering water outlet through a water outlet electromagnetic valve;
the heat exchange device is used for heating the water filtered by the filtering device, and a water inlet of the heat exchange device is connected with the filtering water outlet;
the tail end sterilizing device is used for sterilizing the water outlet nozzle of the direct drinking machine and comprises a sterilizing lamp which is arranged in the water outlet nozzle, and the water outlet nozzle is connected with the water outlet of the heat exchange device.
Preferably, the terminal sterilization device further comprises a terminal temperature sensor and a terminal water outlet electromagnetic valve, and the terminal water outlet electromagnetic valve and the terminal temperature sensor are sequentially arranged on a connecting pipeline of a water outlet of the heat exchange device and the water outlet nozzle.
Preferably, the heat exchange device comprises a heating tank and a heat exchanger, wherein a water inlet of the heat exchanger is respectively connected with the filtering water outlet and a water outlet of the heating tank, and a water outlet of the heat exchanger is respectively connected with a water inlet of the heating tank and the tail end water outlet electromagnetic valve.
Preferably, the heat exchange device further comprises a four-way temperature regulating valve, wherein the four-way temperature regulating valve is arranged on a connecting pipeline between the water outlet of the heating tank and the water inlet of the heat exchanger, and is arranged on a connecting pipeline between the water outlet of the heat exchanger and the tail end water outlet electromagnetic valve.
Preferably, a head end temperature sensor is arranged at the filter water inlet.
Preferably, the filtering device further comprises a combined flushing electromagnetic valve and a flushing electromagnetic valve, wherein the combined flushing electromagnetic valve is connected with the secondary reverse osmosis filter, and the flushing electromagnetic valve is connected with the tertiary activated carbon filter.
Preferably, the filtering device further comprises a pressure barrel, and the pressure barrel is arranged on a connecting pipeline of the secondary reverse osmosis filter and the tertiary activated carbon filter.
Preferably, a one-way valve for preventing water backflow and a flowmeter for counting water flow are sequentially arranged on a connecting pipeline between the secondary reverse osmosis filter and the pressure barrel.
Preferably, an original water quality detector is arranged between the filtering water inlet and the water inlet electromagnetic valve, and a pure water quality detector is arranged between the pressure barrel and the water outlet electromagnetic valve.
Preferably, a low-voltage switch is arranged between the raw water quality detector and the water inlet electromagnetic valve, and a high-voltage switch is arranged between the pressure barrel and the pure water quality detector.
Compared with the background art, the water treatment system of the direct drinking machine provided by the utility model is used for water treatment in the direct drinking machine and comprises a filtering device, a heat exchange device and a tail end sterilization device, wherein the filtering device comprises a first-stage filter, a second-stage reverse osmosis filter and a third-stage active carbon filter which are sequentially connected through pipelines, a booster pump is arranged on a connecting pipeline between the first-stage filter and the second-stage reverse osmosis filter, the first-stage filter is connected with a filtering water inlet through a water inlet electromagnetic valve, and the third-stage active carbon filter is connected with a filtering water outlet through a water outlet electromagnetic valve; the heat exchange device is used for heating water filtered by the filtering device, and a water inlet of the heat exchange device is connected with a filtering water outlet; the tail end sterilizing device is used for sterilizing the water outlet nozzle of the direct drinking machine and comprises a sterilizing lamp which is arranged in the water outlet nozzle, and the water outlet nozzle is connected with the water outlet of the heat exchange device.
In the water treatment system of the direct drinking machine, municipal tap water sequentially passes through three-stage filtering devices such as the first-stage filter, the second-stage reverse osmosis filter, the third-stage activated carbon filter and the like from a filtering water inlet of the filtering device, the first-stage filter filters most of large impurities, suspended matters and bacteria in the tap water, the second-stage reverse osmosis filter filters all the remaining impurities, heavy metals and organic compounds in the tap water, and the third-stage activated carbon filter adsorbs peculiar smell in the tap water, so that the filtering device can filter the tap water into odorless purified water in a multi-stage filtering mode, and can directly drink the purified water, thereby improving the water purification effect; purified water filtered by the filtering device flows into the heat exchange device and can be heated to the drinking temperature, and then the heated purified water flows into the water outlet nozzle in the tail end sterilizing device from the water outlet of the heat exchange device through the pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a water treatment system of a direct drinking machine according to the present utility model.
In the figure:
the device comprises a constant pressure valve 1, a head end temperature sensor 2, a raw water quality detector 3, a low-pressure switch 4, a water inlet electromagnetic valve 5, a first-stage filter 6, a booster pump 7, a second-stage reverse osmosis filter 8, a combined flushing electromagnetic valve 9, a one-way valve 10, a flowmeter 11, a pressure barrel 12, a high-pressure switch 13, a pure water quality detector 14, a three-stage activated carbon filter 15, a flushing electromagnetic valve 16, a water outlet electromagnetic valve 17, a first three-way valve 18, a heat exchanger 19, a second three-way valve 20, a heating tank 21, a pressure relief valve 22, a four-way temperature regulating valve 23, a tail end water outlet electromagnetic valve 24, a tail end temperature sensor 25 and a water outlet nozzle 26.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The core of the utility model is to provide a water treatment system of a direct drinking machine, which can improve the water purification effect and the sterilization effect.
Referring to fig. 1, the present application provides a water treatment system of a direct drinking machine, for water treatment in the direct drinking machine, including a filtering device, a heat exchange device and a terminal sterilization device, wherein the filtering device includes a primary filter 6, a secondary reverse osmosis filter 8 and a tertiary activated carbon filter 15 which are sequentially connected through pipelines, a booster pump 7 is arranged on a connecting pipeline between the primary filter 6 and the secondary reverse osmosis filter 8, the primary filter 6 is connected with a filtering water inlet through a water inlet electromagnetic valve 5, and the tertiary activated carbon filter 15 is connected with a filtering water outlet through a water outlet electromagnetic valve 17; the heat exchange device is used for heating water filtered by the filtering device, and a water inlet of the heat exchange device is connected with a filtering water outlet; the terminal sterilizing device is used for sterilizing the water outlet nozzle 26 of the direct drinking machine and comprises a sterilizing lamp, wherein the sterilizing lamp is arranged in the water outlet nozzle 26 of the direct drinking machine, and the water outlet nozzle 26 is connected with the water outlet of the heat exchange device.
It should be noted that, the reverse osmosis filter is mainly used for filtering all impurities, heavy metals, residual chlorine and organic compounds, and has a very compact reverse osmosis membrane therein, and the water inlet of the reverse osmosis filter needs to be provided with a booster pump 7, and water can be filtered into purified water through the reverse osmosis membrane only when the water inlet pressure is higher than the natural osmotic pressure, otherwise, the water cannot be filtered into purified water through the reverse osmosis membrane.
Specifically, the water treatment system of the direct drinking machine comprises a filtering device for filtering municipal tap water, a heat exchange device for heating purified water filtered by the filtering device to a drinking temperature, and a tail end sterilization device for sterilizing a water outlet of the direct drinking machine, wherein the filtering device comprises a first-stage filter 6, a second-stage reverse osmosis filter 8 and a third-stage active carbon filter 15, the first-stage filter 6, the second-stage reverse osmosis filter 8 and the third-stage active carbon filter 15 are sequentially connected through pipelines, a booster pump 7 is arranged on a connecting pipeline of the first-stage filter 6 and the second-stage reverse osmosis filter 8 so as to boost the tap water in the pipelines, a water inlet electromagnetic valve 5 is arranged on a connecting pipeline of the first-stage filter 6 and a filtering water inlet so as to control the on-off of the tap water in the pipelines in the filtering device, a water outlet electromagnetic valve 17 is arranged on a connecting pipeline of the third-stage active carbon filter 15 and a filtering water outlet so as to control the circulation of the purified water to the heat exchange device, the filtering outlet of the filtering device is communicated with a water inlet of the heat exchange device, the filtering device is used for heating the filtered water of the filtering device to a required water outlet temperature, a water outlet of the heat exchange device is connected with a water outlet nozzle 26 of the tail end device through a pipeline, the water outlet electromagnetic valve is arranged on the connecting pipeline, a water inlet 26 of the filtering device and a water outlet electromagnetic valve is arranged in the water outlet pipe of the filtering device to a water outlet electromagnetic valve.
Therefore, municipal tap water sequentially passes through three-stage filtering devices such as a first-stage filter 6, a second-stage reverse osmosis filter 8, a third-stage active carbon filter 15 and the like from a filtering water inlet of the filtering device, the first-stage filter 6 filters most of large impurities, suspended matters and bacteria in the tap water, the second-stage reverse osmosis filter 8 filters all the impurities, heavy metals and organic compounds in the tap water, and the third-stage active carbon filter 15 adsorbs peculiar smell in the tap water, so that the filtering device can filter the tap water into peculiar-free purified water in a multi-stage filtering mode, can directly drink the peculiar smell, improves the water purifying effect, and can lighten the work load of each filter in a multi-stage filtering mode so as to prolong the service life of each filter; purified water filtered by the filtering device flows into the heat exchange device and can be heated to the drinking temperature, and then the heated purified water flows into the water outlet nozzle 26 in the tail end sterilizing device from the water outlet of the heat exchange device through the pipeline, and as the sterilizing lamp is arranged in the water outlet nozzle 26, the purified water flows out of the water outlet nozzle 26 after being sterilized by the sterilizing lamp, so that bacteria growing in the purified water flowing in the pipeline are removed, the sterility of the purified water flowing out of the water outlet nozzle 26 is ensured, and the sterilizing effect is improved.
The drinking temperature is the temperature at which purified water directly drinkable from the water outlet 26, and is usually set to about 45 degrees celsius, and can be adjusted according to actual needs.
Alternatively, the water inlet electromagnetic valve 5 and the water outlet electromagnetic valve 17 can be connected with a controller through signals so as to realize remote signal control on and off of the water inlet electromagnetic valve 5 and the water outlet electromagnetic valve 17.
On the basis of the embodiment, the terminal sterilization device further comprises a terminal temperature sensor 25 and a terminal water outlet electromagnetic valve 24, and the terminal water outlet electromagnetic valve 24 and the terminal temperature sensor 25 are sequentially arranged on a connecting pipeline of a water outlet of the heat exchange device and a water outlet nozzle 26.
Specifically, the end temperature sensor 25 is used for detecting the temperature of purified water flowing out of the water outlet nozzle 26, the end water outlet electromagnetic valve 24 is used for controlling the on-off of the purified water in the water outlet nozzle 26, and the end water outlet electromagnetic valve 24 and the end temperature sensor 25 are sequentially arranged on a connecting pipeline between a water outlet of the heating system and the water outlet nozzle 26. Because the heat exchange device heats the purified water until the drinking temperature is increased due to the influence of seasons, the condition that the drinking temperature of the purified water after heat exchange is too high or too low exists, a tail end temperature sensor 25 is arranged between a tail end water outlet electromagnetic valve 24 and a water outlet nozzle 26, and when the tail end temperature sensor 25 detects that the water temperature is lower than the lowest drinking temperature, the tail end water outlet electromagnetic valve 24 is closed so as to stop water outlet of the water outlet nozzle 26 and avoid supercooling of the drinking water; when the water temperature detected by the tail end temperature sensor 25 is higher than the highest drinking temperature, the tail end water outlet electromagnetic valve 24 is closed, so that the water outlet of the water blowing nozzle is stopped, and scalding is avoided.
Alternatively, the end outlet solenoid valve 24 may be in signal connection with a controller to enable remote signal control of the opening and closing of the end outlet solenoid valve 24.
In addition, alternatively, the number of water outlets 26 in the present application is not unique, two water outlets 26 may be provided, and a corresponding end temperature sensor 25 and an end water outlet solenoid valve 24 should be provided on the water inlet pipe of each water outlet 26.
On the basis of the above embodiment, the heat exchange device comprises a heating tank 21 and a heat exchanger 19, wherein the water inlet of the heat exchanger 19 is respectively connected with the filtered water outlet and the water outlet of the heating tank 21, and the water outlet of the heat exchanger 19 is respectively connected with the water inlet of the heating tank 21 and the end water outlet electromagnetic valve 24.
Specifically, the water inlet of the heat exchanger 19 is connected with the water outlet of the heating tank 21 through a hot water pipeline, the water inlet of the heat exchanger 19 is connected with the filtered water outlet through a water inlet pipeline, the water inlet pipeline is communicated with the water inlet of the heat exchanger 19 through a first three-way valve 18, the water outlet of the heat exchanger 19 is connected with the tail end water outlet electromagnetic valve 24 through a water outlet pipeline, the water outlet of the heat exchanger 19 is connected with the water inlet of the heating tank 21 through the water inlet pipeline of the heating tank 21, and the water outlet of the heat exchanger 19 is communicated with the water outlet pipeline and the water inlet pipeline of the heating tank 21 through a second three-way valve 20. Thus, the filtered cold purified water in the filtering device flows into the heat exchanger 19 through the water inlet pipe, enters the water inlet pipe of the heating tank 21 through the heat exchanger 19, flows into the heating tank 21 through the water inlet pipe of the heating tank 21 to be heated into hot purified water, enters the heat exchanger 19 through the hot water pipe, exchanges with the cold purified water in the heat exchanger 19 to enable the temperature of the purified water to reach the drinking temperature, and flows into the tail end sterilizing device through the water outlet pipe from the water outlet of the heat exchanger 19 to the water outlet pipe.
Optionally, a hot tank drain is provided at the bottom of the heating tank 21, and when the heating tank 21 is not used for a long time, water in the tank can be discharged through the hot tank drain at the bottom, so as to avoid bacteria breeding in the tank by purified water.
In addition, a pressure relief valve 22 may be optionally provided at the water inlet of the heating tank 21 to protect the pressure in the heating tank 21 within a safe range.
On the basis of the above embodiment, the heat exchange device further includes a four-way temperature-adjusting valve 23, where the four-way temperature-adjusting valve 23 is disposed on a connecting pipe between the water outlet of the heating tank 21 and the water inlet of the heat exchanger 19, and on a connecting pipe between the water outlet of the heat exchanger 19 and the end water outlet electromagnetic valve 24.
Specifically, the four-way temperature regulating valve 23 is used for regulating the exchange proportion of hot purified water and cold purified water, two openings of the four-way temperature regulating valve 23 are arranged on a hot water pipeline, the other two openings of the four-way temperature regulating valve 23 are arranged on a water outlet pipeline, and the openings of the four-way temperature regulating valve 23 can be controlled to regulate the hot purified water flow rate of the hot water pipeline, so that the exchange proportion of the hot purified water and the cold purified water in the heat exchanger 19 can be regulated.
On the basis of the above embodiment, the filter water inlet is provided with the head end temperature sensor 2, and the head end temperature sensor 2 is installed at the filter water inlet in the filter device for detecting tap water temperature, and the head end temperature sensor 2 is used for detecting a value, and controlling the flow rate of hot purified water on the hot water pipeline by the four-way temperature regulating valve 23, so as to regulate the proportion of hot purified water and cold purified water in the heat exchanger 19, so that the purified water temperature after cold-heat exchange reaches the required drinking water temperature.
On the basis of the embodiment, the filtering device further comprises a combined flushing electromagnetic valve 9 and a flushing electromagnetic valve 16, wherein the combined flushing electromagnetic valve 9 is connected with the secondary reverse osmosis filter 8, and the flushing electromagnetic valve 16 is connected with the tertiary activated carbon filter 15.
It should be noted that, the combined flushing electromagnetic valve 9 has a flushing channel and a small hole channel controlled by electromagnetic, when the combined flushing electromagnetic valve 9 is opened, the flushing channel is conducted to increase water flow so as to flush the reverse osmosis membrane, thereby avoiding the impurity filtered by the second-stage reverse osmosis filter 8 from blocking the reverse osmosis membrane, in addition, the small hole channel is unblocked no matter the combined flushing electromagnetic valve 9 is closed or opened, so that the waste water filtered by the reverse osmosis membrane is discharged from the small hole channel; the flushing solenoid valve 16 has only a flushing passage which is solenoid-controlled for flushing the filter cartridge in the three-stage activated carbon filter 15 to discharge black water of the filter cartridge.
Specifically, the combined flushing electromagnetic valve 9 is connected with a waste water outlet of the secondary reverse osmosis filter 8 to discharge waste water filtered by the reverse osmosis membrane and flush impurities retained in the reverse osmosis membrane, so that the service life of the secondary reverse osmosis filter 8 is prolonged; the flushing solenoid valve 16 is connected with a waste water outlet of the three-stage activated carbon filter 15 to flush the filter element, thereby improving the service life of the third activated carbon filter.
Alternatively, the combined flush solenoid valve 9 and flush solenoid valve 16 may be signal connected to a controller to remotely and automatically control the switching of both.
On the basis of the embodiment, the filtering device also comprises a pressure barrel 12, the pressure barrel 12 is arranged on a connecting pipeline of the secondary reverse osmosis filter 8 and the tertiary activated carbon filter 15,
specifically, the water inlet of the pressure barrel 12 is installed on the connecting pipeline of the secondary reverse osmosis filter 8 and the tertiary activated carbon filter 15 through the three-way valve, purified water flows into the pipeline from the water outlet of the secondary reverse osmosis filter 8, when the pipeline water pressure is higher, the through port of the three-way valve communicated with the water inlet of the pressure barrel 12 is opened, part of purified water flows into the pressure barrel 12 to be used for buffering the pipeline pressure, and the pressure barrel 12 also has the function of storing purified water.
On the basis of the embodiment, a one-way valve 10 for preventing water backflow and a flowmeter 11 for counting water flow are sequentially arranged on a connecting pipeline between the secondary reverse osmosis filter 8 and the pressure barrel 12.
Specifically, the one-way valve 10 and the flowmeter 11 are sequentially installed on the pipeline behind the second-stage reverse osmosis filter 8 so as to avoid purified water flowing back to the water outlet of the second-stage reverse osmosis filter 8, and ensure that the flowmeter 11 can accurately count purified water flow so as to judge the service life of the filter element in each filter according to purified water flow.
On the basis of the embodiment, the original water quality detector 3 is arranged between the filtering water inlet and the water inlet electromagnetic valve 5, and the pure water quality detector 14 is arranged between the pressure barrel 12 and the water outlet electromagnetic valve 17, so that whether the purified water purified by the filtering device is qualified or not can be judged according to the original water quality detector 3 and the pure water quality detector 14.
On the basis of the embodiment, a low-pressure switch 4 is arranged between the original water quality detector 3 and the water inlet electromagnetic valve 5, a high-pressure switch 13 is arranged between the pressure barrel 12 and the pure water quality detector 14, and when the water pressure in the pipeline is insufficient, the low-pressure switch 4 is disconnected to prevent devices arranged on the pipeline from running when the water inlet is insufficient; tap water is pressurized by the booster pump 7 and flows into the secondary reverse osmosis filter 8, purified water filtered by the secondary reverse osmosis filter 8 has the condition of overhigh water pressure, and after the pipeline water pressure is buffered by the pressure cylinder, the pipeline water pressure is in an overhigh state, and the high-pressure switch 13 can be disconnected so as to avoid damage to devices arranged subsequently due to overhigh pipeline water pressure.
Optionally, a constant pressure valve 1 is provided at the filter inlet in the filter device to ensure that the water pressure of the municipal tap water entering the filter device is within a prescribed water pressure range. In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The water treatment system of the instant drinking machine provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A water treatment system for a direct drinking machine for water treatment in the direct drinking machine, comprising:
the filtering device comprises a first-stage filter (6), a second-stage reverse osmosis filter (8) and a third-stage active carbon filter (15) which are sequentially connected through pipelines, wherein a booster pump (7) is arranged on a connecting pipeline between the first-stage filter (6) and the second-stage reverse osmosis filter (8), the first-stage filter (6) is connected with a filtering water inlet through a water inlet electromagnetic valve (5), and the third-stage active carbon filter (15) is connected with a filtering water outlet through a water outlet electromagnetic valve (17);
the heat exchange device is used for heating the water filtered by the filtering device, and a water inlet of the heat exchange device is connected with the filtering water outlet;
the tail end sterilizing device is used for sterilizing the water outlet nozzle (26) of the direct drinking machine and comprises a sterilizing lamp, wherein the sterilizing lamp is arranged in the water outlet nozzle (26), and the water outlet nozzle (26) is connected with a water outlet of the heat exchange device.
2. The water treatment system of a direct drinking machine according to claim 1, wherein the terminal sterilization device further comprises a terminal temperature sensor (25) and a terminal water outlet electromagnetic valve (24), and the terminal water outlet electromagnetic valve (24) and the terminal temperature sensor (25) are sequentially arranged on a connecting pipeline of a water outlet of the heat exchange device and the water outlet nozzle (26).
3. The water treatment system of a instant drinking machine according to claim 2, characterized in that the heat exchange means comprise a heating tank (21) and a heat exchanger (19), the water inlet of the heat exchanger (19) being connected to the filtered water outlet and the water outlet of the heating tank (21), respectively, the water outlet of the heat exchanger (19) being connected to the water inlet of the heating tank (21) and to the end water outlet solenoid valve (24), respectively.
4. A water treatment system of a direct drinking machine according to claim 3, characterized in that the heat exchange device further comprises a four-way temperature regulating valve (23), wherein the four-way temperature regulating valve (23) is arranged on a connecting pipeline of the water outlet of the heating tank (21) and the water inlet of the heat exchanger (19), and is arranged on a connecting pipeline of the water outlet of the heat exchanger (19) and the end water outlet electromagnetic valve (24).
5. The water treatment system of the instant drinking machine according to claim 4, wherein the head end temperature sensor (2) is arranged at the filtering water inlet.
6. The water treatment system of a beverage dispenser according to any one of claims 1 to 5, wherein the filter device further comprises a combined flushing solenoid valve (9) and a flushing solenoid valve (16), the combined flushing solenoid valve (9) being connected to the secondary reverse osmosis filter (8), the flushing solenoid valve (16) being connected to the tertiary activated carbon filter (15).
7. The water treatment system of a instant drinking machine according to any one of claims 1 to 5, characterized in that the filtering means further comprise a pressure tank (12), said pressure tank (12) being provided on the connecting duct of the secondary reverse osmosis filter (8) and the tertiary activated carbon filter (15).
8. The water treatment system of the instant drinking machine according to claim 7, characterized in that a one-way valve (10) for preventing water backflow and a flowmeter (11) for counting water flow are sequentially arranged on a connecting pipeline between the secondary reverse osmosis filter (8) and the pressure barrel (12).
9. The water treatment system of the instant drinking machine according to claim 8, characterized in that an original water quality detector (3) is arranged between the filtering water inlet and the water inlet electromagnetic valve (5), and a pure water quality detector (14) is arranged between the pressure barrel (12) and the water outlet electromagnetic valve (17).
10. The water treatment system of a direct drinking machine according to claim 9, characterized in that a low-voltage switch (4) is arranged between the raw water quality detector (3) and the water inlet electromagnetic valve (5), and a high-voltage switch (13) is arranged between the pressure barrel (12) and the pure water quality detector (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050918.1U CN219259775U (en) | 2023-01-09 | 2023-01-09 | Water treatment system of direct drinking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050918.1U CN219259775U (en) | 2023-01-09 | 2023-01-09 | Water treatment system of direct drinking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219259775U true CN219259775U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320050918.1U Active CN219259775U (en) | 2023-01-09 | 2023-01-09 | Water treatment system of direct drinking machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117179560A (en) * | 2023-08-29 | 2023-12-08 | 新翔维创科技股份有限公司 | A distributed reverse osmosis constant temperature water supply direct drinking system for specific places |
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2023
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117179560A (en) * | 2023-08-29 | 2023-12-08 | 新翔维创科技股份有限公司 | A distributed reverse osmosis constant temperature water supply direct drinking system for specific places |
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