CN106698606B - Integrated external water heater scale inhibition device and scale inhibition method - Google Patents
Integrated external water heater scale inhibition device and scale inhibition method Download PDFInfo
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- CN106698606B CN106698606B CN201710085563.9A CN201710085563A CN106698606B CN 106698606 B CN106698606 B CN 106698606B CN 201710085563 A CN201710085563 A CN 201710085563A CN 106698606 B CN106698606 B CN 106698606B
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- water heater
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46119—Cleaning the electrodes
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46171—Cylindrical or tubular shaped
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/4619—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only cathodic or alkaline water, e.g. for reducing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Resistance Heating (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to an integral external scale inhibition device and a scale inhibition method for a water heater. The external water heater of integral type hinders dirty device includes the positive pole, the negative pole, insulating apron and DC power supply, the positive pole has an open-ended cavity conductor, and set up one with inlet tube fixed connection's water inlet and one with the water inlet fixed connection's of water heater delivery port, the negative pole inserts and sets up in the apron, apron seal installation is at the opening of positive pole, and the negative pole has at least the partly that extends to the positive pole inside, DC power supply fixed mounting is on the positive pole outside, its positive negative pole is respectively with positive pole and negative electric connection, in order to carry out electrochemical reaction to the water that gets into the positive pole inside, and then make the incrustation scale separate out in advance and attach to on the negative pole. The device simple structure, small in size, installation and maintenance are convenient, and the device is applicable to various types of water heaters and has very strong practicability.
Description
Technical Field
The invention relates to an integral external scale inhibition device and a scale inhibition method for a water heater.
Background
The existing water heater is not provided with a scale inhibition device, and after the water heater is used for a period of time, a large amount of scale is usually formed at the position of a heating rod and the like, so that the heating efficiency is influenced on one hand, and even the water heater is damaged when the water heater is serious; on the other hand, the scale contains a large amount of CaCO3 and also contains a part of heavy metals, such as lead, arsenic, mercury, cadmium and the like, and the heavy metals can cause the deterioration of the water quality of the liner and influence the health of users. At present, the common method is to ask professionals to clean regularly, and the whole water heater needs to be disassembled and cleaned again during cleaning, so that the time and the labor are wasted, and the water heater is inconvenient and high in cost.
Disclosure of Invention
The invention aims to provide an integrated external scale inhibition device for a water heater, and aims to solve the problems that the existing water heater is not provided with a scale inhibition device, so that a large amount of scales are formed and the cleaning is inconvenient. Therefore, the invention adopts the following specific technical scheme:
the utility model provides an external water heater of integral type hinders dirty device, can include positive pole, negative pole, insulating apron and DC power supply, the positive pole has an open-ended cavity conductor to seted up a water inlet and a delivery port, the water inlet be used for with inlet tube fixed connection, the delivery port is used for the water inlet fixed connection with the water heater, the negative pole insert set up in the apron, apron seal installation be in the positive pole the opening, just the negative pole has at least and extends to the inside partly of positive pole, DC power supply fixed mounting be in on the positive pole outside, its positive pole with the positive pole electricity is connected, the negative pole with the negative pole electricity is connected, in order to get into carry out electrochemical reaction to the inside water of positive pole, and then make the incrustation scale appear in advance and attach to on the negative pole.
Further, the water inlet and outlet may be provided with insulated unions to facilitate quick installation.
Furthermore, the cover plate and the anode can be in threaded fit and sealing connection, an installation through hole is formed in the middle of the cover plate, and the cathode is inserted into the installation through hole and is fixedly connected in a closed mode.
Further, the integral external scale inhibition device for the water heater can further comprise a water flow switch, wherein the water flow switch is installed at the water inlet and electrically connected to the power module and used for controlling the operation of the direct current power supply.
Further, the direct current power supply can comprise a shell, a power supply module arranged in the shell, and a power switch and an indicator light which are arranged on the shell, wherein the power supply module is electrically connected with the power switch and the indicator light.
Furthermore, the power module is a constant voltage and current stabilized switching power supply.
Further, the voltage of the direct current power supply is safe voltage, and the output current is 1-10A.
Furthermore, the integral external scale inhibition device for the water heater can also comprise an insulating shell matched with the anode in shape, and the anode is fixedly arranged on the inner wall of the insulating shell.
Still further, the insulating housing is made of PVC.
Further, the anode is made of titanium, an MMO titanium material, stainless steel or copper, and the cathode is made of titanium, an MMO titanium material, stainless steel or copper.
Further, the anode is of a cylindrical structure, and the cathode is of a rod-shaped, long-strip-shaped or net-shaped structure.
A method for inhibiting scale of a water heater by using the integrated external scale inhibition device for the water heater.
Further, the method may further comprise the step of periodically cleaning or replacing the cathode.
By adopting the technical scheme, the integral external scale inhibition device for the water heater has the beneficial effects that the scale formation ions such as calcium, magnesium and the like in the water inlet of the water heater can be removed in advance, so that the scale formation of the heating rod of the water heater is avoided, the heating efficiency is improved, the service life of the water heater is prolonged, and the purpose of improving the water quality of the water heater is achieved. The device simple structure, small in size, installation and maintenance are convenient, and the device is applicable to various types of water heaters and has very strong practicability.
Drawings
FIG. 1 shows a schematic diagram of an integrated external scale inhibition device for a water heater according to an embodiment of the invention;
FIG. 2 showsbase:Sub>A cross-sectional view of the integrated external water heater scale inhibition device taken along line A-A of FIG. 1;
fig. 3 shows a circuit block diagram of a direct current power supply of the integrated external scale inhibition device for the water heater shown in fig. 1.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. The components in the drawings are not necessarily to scale, and similar reference numerals are generally used to identify similar components.
The invention will now be further described with reference to the accompanying drawings and detailed description. Referring to fig. 1-3, an integrated external water heater scale inhibition device 1 is described. The integral external scale inhibition device 1 for the water heater comprises an anode 10, a cathode 20, an insulating cover plate 30 and a direct current power supply 40. The anode 10 is a hollow conductor (in this embodiment, it is cylindrical) with an opening 13, and is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is used for being fixedly connected with a water inlet pipe (not shown), and the water outlet 12 is used for being fixedly connected with a water inlet (not shown) of the water heater. In the embodiment shown, the water inlet 11 is arranged at the side of the anode 10 and the water outlet 12 is arranged at one end of the anode 10. Preferably, the water inlet 11 and the water outlet 12 may be provided with insulated unions (not shown) to facilitate quick installation. The loose joint is a standard component, and the specific structure of the loose joint is not further described here.
The cathode 20 is inserted into the cover plate 30, the cover plate 30 is hermetically installed in the opening 13 of the anode 10, and the cathode 20 has at least a portion 21 extending to the inside of the anode 10. In the illustrated embodiment, the cover plate 30 has a mounting through-hole 31 in the middle, and the cathode 20 is inserted into the mounting through-hole 31 of the cover plate 30 and fixed in a sealing connection. Preferably, the cover plate 30 and the anode 10 are sealingly connected by a screw-fit, for example, by a sealing ring (not shown), to facilitate cleaning or replacement of the cathode 20.
The dc power supply 40 is fixedly installed on the outer side of the anode 10, and the anode thereof is electrically connected to the anode 10, and the cathode thereof is electrically connected to the cathode 20, so as to perform an electrochemical reaction on the inlet water of the water heater, thereby causing scale to be precipitated in advance and attached to the cathode 20.
Further, the dc power supply 40 may include a housing 41, a power module 42 installed in the housing, a power switch 43 and an indicator 44 installed on the housing 41, and a power connection line 45. The power module 42 is used to convert the commercial power into direct current and output the direct current to the anode 10 and the cathode 20 through the wires 46. The power module 42 may be implemented using circuits known to those skilled in the art and will not be described further herein. Preferably, the power supply module is a constant voltage and current stabilized switching power supply module. The voltage of the direct current power supply is safe voltage (less than 36V), and the output current is 1-10A. The power switch 43 is connected in series between the commercial power and the input end of the power module 44 and is used for switching the integrated scale inhibition device 1 of the external water heater, and the indicator lamp 44 is electrically connected with the power module 42 and is used for indicating the working state of the integrated scale inhibition device 1 of the external water heater. The power connection line 45 may be plugged into a mains socket (not shown). Of course, the dc power source 40 may be replaced with a battery.
In addition, the dc power supply 40 may further include a circuit breaker 47 to prevent damage to the power module due to a large current caused by an unexpected cause.
In addition, the integral external scale inhibition device 1 for water heater may further include a water flow switch 50, wherein the water flow switch 50 is installed at the water inlet 11, and is connected in series between the power switch 43 and the input end of the power module 42 for controlling the operation of the dc power supply. Namely, the integral external scale inhibition device 1 for the water heater operates when water enters the water heater. Thus, power may be saved and the life of power module 42 may be extended. Preferably, the water flow switch 25 is a commercially available pipe-type mechanical water flow switch, such as a pipe-type baffle-type water flow switch, a pipe-type blade-type water flow switch, or the like.
In another embodiment of the present invention, the integral external scale inhibition device 1 for water heater may further comprise an insulating housing (not shown) matching the external shape of the anode 10, and the anode 10 is fixedly installed on the inner wall of the insulating housing. This can reduce the material cost of the anode 10. In this case, the output end of the dc power supply 10 and the wires 46 of the anode 10 and the cathode 20 may be embedded in the insulating casing, so that the integral external scale inhibition device 1 for a water heater is more beautiful and concise in appearance. Preferably, the insulating housing is made of PVC.
In addition, the anode 10 may be made of titanium, MMO titanium material or titanium material plated with other rare metals, stainless steel, copper, or the like, and the cathode 20 may be made of titanium, MMO titanium material or titanium material plated with other rare metals, stainless steel, copper, or the like. The anode 10 may have a cylindrical structure or other structure having a cavity, and the cathode 20 may have a rod-like, strip-like, net-like structure or other structure. Preferably, the anode 10 is a cylinder of MMO titanium material and the cathode 20 is a stainless steel rod.
The invention also discloses a method for inhibiting scale of the water heater by using the integrated external scale inhibition device for the water heater. In addition, the method includes the step of periodically cleaning or replacing the cathode.
The working principle of the invention is that when water enters the water heater, a strong alkaline environment is formed at the cathode, scale can be precipitated in advance and attached to the cathode, and the water does not contain cations such as calcium, magnesium and the like when entering the water heater, so that the scale can not be formed even if the water enters the inner container and is heated by the heating rod, and the purpose of improving the water quality of the water entering the water heater is achieved, and the concrete reaction is as follows:
1)2H2O+2e→2OH-+H2↑
2)CO2+OH-→HCO3-
3)HCO3-+OH-→CO32-+H2O
4)Ca2++CO32-→CaCO3↓
5)Mg2++2OH-→Mg(OH)2↓
after the scale is separated out on the cathode, the scale can be periodically removed by a manual or mechanical mode, and the cathode (stainless steel bar) can be directly replaced.
It should be noted that the term "water heater" herein is intended to be broadly construed as a hot water device, and includes not only water heaters in the conventional sense, but also other devices that heat water.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an external water heater of integral type hinders dirty device, its characterized in that, includes positive pole, negative pole, insulating apron and DC power supply, the positive pole is to have an open-ended cavity conductor to seted up a water inlet and a delivery port, the water inlet be used for with inlet tube fixed connection, the delivery port be used for with the water inlet fixed connection of water heater, the negative pole insert set up in the apron, apron seal installation in the positive pole the opening, just the negative pole has at least and extends to the inside partly of positive pole, DC power supply fixed mounting be in on the positive pole outside, its positive pole with the positive pole electricity is connected, the negative pole with the negative pole electricity is connected, in order to get into the inside water of positive pole carries out electrochemical reaction, and then makes the incrustation scale appear in advance and be attached to on the negative pole.
2. The integrated external scale inhibition device for the water heater as claimed in claim 1, wherein the water inlet and the water outlet are provided with insulated loose joints.
3. The external integral scale inhibiting device for the water heater as claimed in claim 1, wherein the cover plate is connected with the anode in a sealing manner by screw-thread fit, the cover plate has a mounting through hole in the middle, and the cathode is inserted into the mounting through hole and fixed in a sealing manner.
4. The external integral scale inhibiting device for the water heater as claimed in claim 1, further comprising a water switch installed at the water inlet, wherein the dc power supply comprises a housing, a power module installed in the housing, a power switch and an indicator light installed on the housing, and a power connection line, and the water switch is electrically connected to the power module for controlling the operation of the dc power supply.
5. The integrated external scale inhibition device for the water heater according to claim 1, wherein the direct current power supply comprises a housing, a power module installed in the housing, a power switch installed on the housing, and an indicator light electrically connected with the power module, and the power module is electrically connected with the power switch and the indicator light.
6. The integrated external scale inhibition device for the water heater as claimed in any one of claims 1 to 5, wherein the voltage of the direct current power supply is a safe voltage, and the output current is 1-10 amperes.
7. The external scale inhibiting device for water heater of claim 1, further comprising an insulating housing matching the anode, wherein the anode is fixedly mounted on the inner wall of the insulating housing.
8. The integrated external scale inhibition device for the water heater of claim 1, wherein the anode is made of titanium, MMO titanium, stainless steel or copper, and the cathode is made of titanium, MMO titanium, stainless steel or copper.
9. The integrated external scale inhibition device for the water heater as claimed in claim 1 or 8, wherein the anode is of a cylindrical structure, and the cathode is of a rod-shaped, strip-shaped or net-shaped structure.
10. A method for scale inhibition of a water heater by using the integrated external scale inhibition device for the water heater as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085563.9A CN106698606B (en) | 2017-02-17 | 2017-02-17 | Integrated external water heater scale inhibition device and scale inhibition method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085563.9A CN106698606B (en) | 2017-02-17 | 2017-02-17 | Integrated external water heater scale inhibition device and scale inhibition method |
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| CN106698606A CN106698606A (en) | 2017-05-24 |
| CN106698606B true CN106698606B (en) | 2023-04-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585569A (en) * | 2009-07-08 | 2009-11-25 | 成都飞创科技有限公司 | Circulating water electrolytic descaling device and descaling method |
| CN202133113U (en) * | 2011-04-29 | 2012-02-01 | 重庆欧凯电器有限公司 | Adjustable cathode protection type water heater |
| CN202968258U (en) * | 2012-12-13 | 2013-06-05 | 成都飞创科技有限公司 | Electrolysis scale removal device convenient to disassemble |
| CN203144183U (en) * | 2013-02-01 | 2013-08-21 | 武汉新大创新水处理技术有限公司 | Online dirt absorbing device |
| CN105593171B (en) * | 2014-02-13 | 2018-11-06 | 蓝星(北京)化工机械有限公司 | Light electrolysis equipment and control method, integrated water treatment device and method for treating water |
| CN205710008U (en) * | 2016-04-28 | 2016-11-23 | 山东良成环保工程有限公司 | Circulating water deep purification device |
| CN206457288U (en) * | 2017-02-17 | 2017-09-01 | 厦门绿信环保科技有限公司 | A kind of external water heater antiscaling device of integral type |
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Address after: 361000 room 107, Chuang Chuang building, Pioneer Park, torch high tech Zone, Xiamen, Fujian Patentee after: Xiamen Lvxin Environmental Protection Technology Co.,Ltd. Address before: 361000 room 107, Chuang Chuang building, Pioneer Park, torch high tech Zone, Xiamen, Fujian Patentee before: XIAMEN GREENTRUSS ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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