CN112815520A - Double-water heating structure and double-water heating method - Google Patents

Double-water heating structure and double-water heating method Download PDF

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Publication number
CN112815520A
CN112815520A CN202110157505.9A CN202110157505A CN112815520A CN 112815520 A CN112815520 A CN 112815520A CN 202110157505 A CN202110157505 A CN 202110157505A CN 112815520 A CN112815520 A CN 112815520A
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CN
China
Prior art keywords
water
filtering
heating
faucet
circulating
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Pending
Application number
CN202110157505.9A
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Chinese (zh)
Inventor
周淼龙
张建芳
梁宝生
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Shenzhen Angel Drinking Water Equipment Co Ltd
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Shenzhen Angel Drinking Water Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenzhen Angel Drinking Water Equipment Co Ltd filed Critical Shenzhen Angel Drinking Water Equipment Co Ltd
Priority to CN202110157505.9A priority Critical patent/CN112815520A/en
Publication of CN112815520A publication Critical patent/CN112815520A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/06—Mounted on or being part of a faucet, shower handle or showerhead

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention relates to a double-water heating structure and a double-water heating method, wherein the double-water heating structure comprises a circulating preheating assembly, a reverse osmosis instant heating assembly and a filtering heat exchange assembly, wherein the reverse osmosis instant heating assembly and the filtering heat exchange assembly are connected with the circulating preheating assembly; the circulation preheating assembly comprises a water tank, a circulation pump, a one-way valve, a lower three-way joint, a heating part, an upper three-way joint and a circulation electromagnetic valve. According to the invention, the reverse osmosis instant heating assembly and the filtering heat exchange assembly are both connected with the circulating preheating assembly, so that the requirement of supplying two kinds of hot water by using one heating part is met, the system composition is simplified, the space is saved, and the cost is reduced.

Description

Double-water heating structure and double-water heating method
Technical Field
The invention relates to the technical field of double-water heating, in particular to a double-water heating structure and a double-water heating method.
Background
With the maturity of water purification technology, adopt two kinds of filtration modes on the market at present: one is reverse osmosis purified water, and the other is primary filtration purified water. In actual life, when two water supply systems are heated, two sets of heating systems are required to be respectively controlled, reverse osmosis pure water is mainly used for drinking and cooking after being heated, and water subjected to primary filtration is mainly used for washing and the like after being heated. Although the prior art solves the production requirement, the system is complex, large in occupied space and high in cost, and influences the user experience.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-water heating structure and a double-water heating method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a double-water heating structure comprises a circulating preheating assembly, a reverse osmosis instant heating assembly and a filtering heat exchange assembly, wherein the reverse osmosis instant heating assembly and the filtering heat exchange assembly are connected with the circulating preheating assembly; the circulating preheating assembly comprises a water tank, a circulating pump, a one-way valve, a lower three-way joint, a heating part, an upper three-way joint and a circulating electromagnetic valve; the bottom of the water tank is provided with a water outlet, the side surface of the water tank is provided with a water inlet, one end of the circulating pump is connected with the water outlet through a water pipe, the other end of the circulating pump is connected with the lower end of the one-way valve through a water pipe, the upper end of the one-way valve is connected with the lower end of the lower three-way joint, the upper end of the heating part is connected with the lower end of the upper three-way joint, the side surface of the upper three-way joint is connected with one end of the circulating electromagnetic valve, and the other end of the circulating electromagnetic valve is connected with the water inlet through a water pipe; the reverse osmosis instant heating component comprises an RO water inlet pipe, an RO electromagnetic valve, a diaphragm precision pump and an RO water faucet; the RO water inlet pipe is connected with one end of the RO electromagnetic valve, the other end of the RO electromagnetic valve is communicated with the water tank, one end of the diaphragm precision pump is communicated with the water tank, the other end of the diaphragm precision pump is connected with the side surface of the lower three-way joint, and the RO water faucet is connected with the upper end of the upper three-way joint; the filtering heat exchange assembly comprises a filtering water inlet pipe, a high-pressure switch, a heat exchanger and a filtering water heating faucet; the heat exchanger is arranged in the water tank, the filtering water inlet pipe is connected with one end of the high-voltage switch, the other end of the high-voltage switch is connected with one end of the heat exchanger, and the other end of the heat exchanger is connected with the filtering water hot water faucet.
The further technical scheme is as follows: and the upper part of the water tank is also provided with a liquid level sensor.
The further technical scheme is as follows: and a temperature sensor is also arranged on the side surface or the bottom of the water tank.
The further technical scheme is as follows: the side surface of the upper part of the water tank is also provided with an overflow port.
The further technical scheme is as follows: and a reverse osmosis temperature sensor is also arranged between the diaphragm precision pump and the water tank.
The further technical scheme is as follows: and a water outlet temperature sensor is also arranged between the heating part and the upper tee joint.
The further technical scheme is as follows: the heat exchanger is spiral.
The further technical scheme is as follows: the high-voltage switch is connected with the upper end of the heat exchanger, and the lower end of the heat exchanger is connected with the filtering hot water faucet.
A double-water heating method based on the double-water heating structure comprises the following steps:
acquiring that a faucet opened by a user is an RO faucet or a hot water faucet for filtering;
when the water tap opened by a user is an RO water tap, the diaphragm precision pump and the heating part are started to work;
the preheated RO water is heated to a set temperature through a diaphragm precision pump and a heating part to obtain RO hot water, a circulating electromagnetic valve is closed, and the RO hot water flows out of an RO water faucet;
when the faucet opened by a user is a filtering hot water faucet, the filtering water inlet pipe starts to work, the filtering water flows into the heat exchanger, and meanwhile, the high-voltage switch triggers the circulating preheating assembly to work;
the filtered water exchanges heat with hot water outside the heat exchanger in the water tank to obtain filtered hot water, and the filtered hot water flows out of the filtered hot water faucet.
The further technical scheme is as follows: the set temperature is 55-98 ℃.
Compared with the prior art, the invention has the beneficial effects that: through reverse osmosis instant heating subassembly and filtration heat exchange assemblies all with the circulation preheat the subassembly and be connected, realized utilizing a heating portion to realize two kinds of hydrothermal water supply demands, simplified the system composition, saved the space, the cost is reduced.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a dual water heating structure according to the present invention;
FIG. 2 is a schematic view of the cyclic preheat assembly of the present invention;
FIG. 3 is a schematic view of the connection of the cyclic preheat module and the reverse osmosis instant heat module of the present invention;
FIG. 4 is a schematic view of the connection of the circulating preheat assembly and the filtering heat exchange assembly of the present invention;
fig. 5 is a flow chart of a dual water heating method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 5, in the embodiment, as shown in fig. 1 to 4, the present invention discloses a dual-water heating structure, which includes a circulating preheating assembly 10, and a reverse osmosis instant heating assembly 20 and a filtering heat exchange assembly 30 connected to the circulating preheating assembly 10; the circulation preheating assembly 10 comprises a water tank 11, a circulation pump 12, a one-way valve 13, a lower three-way joint 14, a heating part 15, an upper three-way joint 16 and a circulation electromagnetic valve 17; a water outlet 111 is formed in the bottom of the water tank 11, a water inlet 112 is formed in the side surface of the water tank 11, one end of the circulating pump 12 is connected with the water outlet 111 through a water pipe 40, the other end of the circulating pump is connected with the lower end of the check valve 13 through a water pipe 40, the upper end of the check valve 13 is connected with the lower end of the lower three-way joint 14 through a water pipe 40, the upper end of the lower three-way joint 14 is connected with the lower end of the heating part 15, the upper end of the heating part 15 is connected with the lower end of the upper three-way joint 16, the side surface of the upper three-way joint 16 is connected with one end of the circulating electromagnetic valve 17, and the other end; the reverse osmosis instant heating assembly 20 comprises an RO water inlet pipe 21, an RO electromagnetic valve 22, a diaphragm precision pump 23 and an RO water faucet 24; the RO water inlet pipe 21 is connected with one end of the RO electromagnetic valve 22, the other end of the RO electromagnetic valve 22 is communicated with the water tank 11, one end of the diaphragm precision pump 23 is communicated with the water tank 11, the other end of the diaphragm precision pump is connected with the side surface of the lower three-way joint 14, and the RO water faucet 24 is connected with the upper end of the upper three-way joint 16; the filtering heat exchange assembly 30 comprises a filtering water inlet pipe 31, a high-pressure switch 32, a heat exchanger 33 and a filtering hot water faucet 34; the heat exchanger 33 is arranged in the water tank 11, the filtering water inlet pipe 31 is connected with one end of the high-voltage switch 32, the other end of the high-voltage switch 32 is connected with one end of the heat exchanger 33, and the other end of the heat exchanger 33 is connected with the filtering hot water faucet 34.
As shown in fig. 1 to 4, a liquid level sensor 50 is further disposed at the upper portion of the water tank 11 for monitoring the water level in the water tank 11 in real time, and the water tank 11 is filled with water under the control of the liquid level sensor 50.
The side surface or the bottom of the water tank 11 is further provided with a temperature sensor 60 for monitoring the temperature of the water in the water tank 11 in real time, when the temperature of the water in the water tank 11 is lower than 40 ℃, the circulating preheating assembly 10 starts circulating preheating, and when the temperature of the water in the water tank 11 is higher than 60 ℃, the circulating preheating assembly 10 stops heating to finish preheating the water in the water tank 11.
The side surface of the upper part of the water tank 11 is further provided with an overflow port 113, so that when the water level in the water tank 11 is out of control, water flows out from the overflow port 113, and other hazards are avoided.
A reverse osmosis temperature sensor 25 is further arranged between the membrane precision pump 23 and the water tank 11 and used for monitoring the temperature of the RO water flowing into the membrane precision pump 23 so as to control the working time of the membrane precision pump 23 and the heating part 15, so that the RO water reaches a set temperature and energy consumption is saved.
And a water outlet temperature sensor 18 is further arranged between the heating part 15 and the upper three-way joint 16 and is used for monitoring the temperature of water flowing out after being heated by the heating part 15.
As shown in fig. 1, the heat exchanger 33 is spiral, and has a good and uniform heat exchange effect.
The high-voltage switch 32 is connected with the upper end of the heat exchanger 33, and the lower end of the heat exchanger 33 is connected with the filtering hot water faucet 34, so that the heat exchange effect is better, the temperature of filtering water is rapidly and uniformly increased, and the user requirements can be met.
Wherein, the heat exchanger 33 is designed to bear pressure (<1.6 Mpa); the circulating pump 12 is a brushless centrifugal pump and is used for circulating preheating to meet the service life requirement; the diaphragm precision pump 23 is an instant heat pump, is used for a reverse osmosis pure water instant heat system, and meets the requirement of temperature regulation precision; the check valve 13 is a low-pressure check valve, and can prevent water flow from streaming when the instant heating system works; the high-pressure switch 32 can also be a flow switch, and is used for quickly starting the circulating preheating assembly 10 to enhance the hot water capability after detecting that the filtering hot water faucet 34 is opened; the RO water tap 24 is a straight-through type, is not provided with a switch, and controls water flow circulation or water flow outflow by using a water level difference and a circulation electromagnetic valve 17.
As shown in fig. 5, the invention also discloses a double-water heating method, based on the double-water heating structure, comprising the following steps:
s1, acquiring that the water tap opened by the user is an RO water tap or a hot water tap for filtering;
in the embodiment, the tap which is turned on by the user is obtained through the sensor and is an RO tap or a hot water tap for filtering, and the method is simple and accurate.
Before the step of S1, the method further includes: the circulation preheats the subassembly and carries out the water and preheats, the water tank is full of water under level sensor's control, be full of water after the heat exchanger is used for the first time, when water temperature in the water tank is less than 48 ℃, start circulation and preheat the subassembly, the circulating pump is taken water out from the delivery port of water tank bottom and is sent into the heating portion, rivers are heated the temperature rise after the heating portion, then hot water flows through in the circulation solenoid valve (normally open) flows into the water tank through the water inlet, then the temperature in the water tank is promoted after constantly circulating, after water temperature in the water tank is greater than 55 ℃, stop circulating pump and heating portion work, accomplish water.
S2, when the tap opened by the user is RO tap, the diaphragm precision pump and the heating part start to work;
s3, heating the preheated RO water to a set temperature through a diaphragm precision pump and a heating part to obtain RO hot water, and closing a circulating electromagnetic valve to enable the RO hot water to flow out of an RO water faucet;
wherein the set temperature is 55-98 ℃.
After the step of S3, when the water level in the water tank drops, the liquid level sensor controls the RO solenoid valve to replenish water, and the check valve can effectively prevent the water from flowing back to the water tank, after the user has taken the hot water, the diaphragm precision pump and the heating part are stopped to work, the circulation solenoid valve is restored to the normally open state, and the residual water of the RO faucet and the upper pipeline flows back to the water tank, so as to realize zero cold water.
S4, when the tap opened by the user is a filtering water hot water tap, the filtering water inlet pipe starts to work, the filtering water flows into the heat exchanger, meanwhile, the high-voltage switch triggers the circulating preheating assembly to work, and preheated hot water in the heat exchanger is discharged firstly;
and S5, exchanging heat between the filtered water and the hot water outside the heat exchanger in the water tank to obtain filtered hot water, and enabling the filtered hot water to flow out of the filtered hot water faucet.
Wherein after the step of S5, when the user finishes taking the hot water, the circulation preheating assembly continues to work until the temperature of the water in the water tank is more than 55 ℃.
According to the invention, the external water of the heat exchanger heated by the circulating preheating component is reverse osmosis hot water (RO water), the internal water is filtering water, and the heating part directly heats the load to be reverse osmosis cold water, so that the scale problem is effectively avoided; and the filtered water is heated up through the reverse osmosis hot water outside the heat exchanger, so that the scale deposit inside the heat exchanger is avoided.
According to the invention, the reverse osmosis instant heating assembly and the filtering heat exchange assembly are both connected with the circulating preheating assembly, so that the requirement of supplying two kinds of hot water by using one heating part is met, the system composition is simplified, the space is saved, and the cost is reduced.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.

Claims (10)

1. A double-water heating structure is characterized by comprising a circulating preheating assembly, a reverse osmosis instant heating assembly and a filtering heat exchange assembly, wherein the reverse osmosis instant heating assembly and the filtering heat exchange assembly are connected with the circulating preheating assembly; the circulating preheating assembly comprises a water tank, a circulating pump, a one-way valve, a lower three-way joint, a heating part, an upper three-way joint and a circulating electromagnetic valve; the bottom of the water tank is provided with a water outlet, the side surface of the water tank is provided with a water inlet, one end of the circulating pump is connected with the water outlet through a water pipe, the other end of the circulating pump is connected with the lower end of the one-way valve through a water pipe, the upper end of the one-way valve is connected with the lower end of the lower three-way joint, the upper end of the heating part is connected with the lower end of the upper three-way joint, the side surface of the upper three-way joint is connected with one end of the circulating electromagnetic valve, and the other end of the circulating electromagnetic valve is connected with the water inlet through a water pipe; the reverse osmosis instant heating component comprises an RO water inlet pipe, an RO electromagnetic valve, a diaphragm precision pump and an RO water faucet; the RO water inlet pipe is connected with one end of the RO electromagnetic valve, the other end of the RO electromagnetic valve is communicated with the water tank, one end of the diaphragm precision pump is communicated with the water tank, the other end of the diaphragm precision pump is connected with the side surface of the lower three-way joint, and the RO water faucet is connected with the upper end of the upper three-way joint; the filtering heat exchange assembly comprises a filtering water inlet pipe, a high-pressure switch, a heat exchanger and a filtering water heating faucet; the heat exchanger is arranged in the water tank, the filtering water inlet pipe is connected with one end of the high-voltage switch, the other end of the high-voltage switch is connected with one end of the heat exchanger, and the other end of the heat exchanger is connected with the filtering water hot water faucet.
2. The double water heating structure of claim 1, wherein a liquid level sensor is further provided at an upper portion of the water tank.
3. The double water heating structure of claim 1, wherein a temperature sensor is further provided at a side or a bottom of the water tank.
4. The double water heating structure of claim 1, wherein an overflow port is further formed at the side of the upper portion of the water tank.
5. The double water heating structure according to claim 1, wherein a reverse osmosis temperature sensor is further disposed between the membrane precision pump and the water tank.
6. The double water heating structure according to claim 1, wherein a water outlet temperature sensor is further disposed between the heating part and the upper three-way joint.
7. The dual water heating structure as claimed in claim 1, wherein the heat exchanger is spiral.
8. The dual water heating structure as claimed in claim 7, wherein the high pressure switch is connected to an upper end of the heat exchanger, and a lower end of the heat exchanger is connected to the hot water tap for filtering.
9. A double water heating method, based on any one of claims 1 to 8, comprising the steps of:
acquiring that a faucet opened by a user is an RO faucet or a hot water faucet for filtering;
when the water tap opened by a user is an RO water tap, the diaphragm precision pump and the heating part are started to work;
the preheated RO water is heated to a set temperature through a diaphragm precision pump and a heating part to obtain RO hot water, a circulating electromagnetic valve is closed, and the RO hot water flows out of an RO water faucet;
when the faucet opened by a user is a filtering hot water faucet, the filtering water inlet pipe starts to work, the filtering water flows into the heat exchanger, and meanwhile, the high-voltage switch triggers the circulating preheating assembly to work;
the filtered water exchanges heat with hot water outside the heat exchanger in the water tank to obtain filtered hot water, and the filtered hot water flows out of the filtered hot water faucet.
10. The method for heating double water according to claim 9, wherein the set temperature is 55-98 ℃.
CN202110157505.9A 2021-02-04 2021-02-04 Double-water heating structure and double-water heating method Pending CN112815520A (en)

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Application Number Priority Date Filing Date Title
CN202110157505.9A CN112815520A (en) 2021-02-04 2021-02-04 Double-water heating structure and double-water heating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110157505.9A CN112815520A (en) 2021-02-04 2021-02-04 Double-water heating structure and double-water heating method

Publications (1)

Publication Number Publication Date
CN112815520A true CN112815520A (en) 2021-05-18

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Application Number Title Priority Date Filing Date
CN202110157505.9A Pending CN112815520A (en) 2021-02-04 2021-02-04 Double-water heating structure and double-water heating method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113899075A (en) * 2021-09-27 2022-01-07 深圳安吉尔饮水产业集团有限公司 Backflow preheating water supply system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113899075A (en) * 2021-09-27 2022-01-07 深圳安吉尔饮水产业集团有限公司 Backflow preheating water supply system

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