CN112492716A - Surface area expanding electrode bar for electrode boiler and manufacturing method thereof - Google Patents
Surface area expanding electrode bar for electrode boiler and manufacturing method thereof Download PDFInfo
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- CN112492716A CN112492716A CN202010935493.3A CN202010935493A CN112492716A CN 112492716 A CN112492716 A CN 112492716A CN 202010935493 A CN202010935493 A CN 202010935493A CN 112492716 A CN112492716 A CN 112492716A
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- area expanding
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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
- 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
- F24H9/1818—Arrangement or mounting of electric heating means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0004—Devices wherein the heating current flows through the material to be heated
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/03—Electrodes
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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
- F24H2250/00—Electrical heat generating means
- F24H2250/10—Electrodes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a surface area expanding electrode rod for an electrode boiler, which increases the thermal efficiency of an electrode rod used in an electrode boiler using electric ion heating, and also reduces surface oxidation of the electrode rod by electrolytic water, and which is adapted to a surface area expanding device for increasing the thermal efficiency, thereby expanding the surface area reacting to the electrolytic water as much as possible, and which prevents sparking by finishing and insulating the connection part of the electrode rod and the surface area expanding device with a heat-shrinkable protective cover of an insulating material.
Description
Technical Field
The present invention relates to a surface area expanding type electrode bar for an electrode boiler, and more particularly, to an electrode bar for an electrode boiler, which heats electrolytic water by ionizing the electrolytic water using electricity, thereby improving the heating efficiency of the electrolytic water and reducing surface oxidation of the electrode bar caused by the electrolytic water.
The electrode rod of the present invention is an invention in which a surface area expanding means is used to increase the efficiency of heating low-concentration electrolytic water, thereby expanding the surface area of the electrode rod that is in contact with the electrolytic water to the maximum.
In addition, the present invention finishes and insulates the connection part of the electrode rod and the surface area expanding means by a heat shrinkable protective cover of an insulating material.
Furthermore, the present invention relates to a method for manufacturing a surface-expandable electrode rod for an electrode boiler.
Background
Modern society is increasingly developed, our lives are also becoming more convenient and rich, and many life technologies that focus on improving the quality of life are in a trend of development and development compared to the past.
In addition, in modern society, environmental problems caused by various public hazards are always encountered, and development of environmental technologies for minimizing the occurrence of public hazards is actively conducted.
Further, although boilers widely used in real life are heating devices used for heating rooms, and boilers using fossil fuels such as petroleum, coal, and gas have been used in large quantities in the past, electric boilers using electric energy have recently been widely used due to environmental pollution caused by harmful gases generated during combustion of fossil fuels.
In particular, the electric boiler can use economical electric energy by deep night electricity or solar power generation, and thus is also vigorously advocated and popularized in terms of environmental protection.
The electrode boiler is divided into an indirect heating mode and a direct heating mode according to the heating mode, the indirect heating mode is used as a mode of inserting an electric heating rod into a water tank and then heating circulating water of the boiler by means of resistance heat, and the electrode boiler is low in price, simple in structure and more in use all the time.
In contrast, the direct heating method is an electrode boiler developed by GALAN corporation of russia, which uses a method of inserting an electrode rod into a water tank storing electrolyzed water and heating the electrolyzed water used as circulating water of the boiler by using an ionization principle of the electrolyzed water, and has various advantages compared to the electric heating rod method of the direct heating method, and is a recently popular electric boiler method.
In addition, the electrode boiler has a disadvantage in that the electrode rods or the boiler water tank itself needs to be replaced as time goes by because the electrode rods are damaged due to surface oxidation and the boiler water tank is contaminated due to sludge generated from the surface oxidation of the electrode rods due to the electrolytic water.
Therefore, in order to spread the environment-friendly and economical electrode boiler, there is a need for technical development to reduce oxidation of the electrode rod generated on the surface of the electrode rod and to improve the heating efficiency.
The following is a prior art related thereto.
Prior art documents
Patent document
(patent document 0001)1. Korean registered Utility model publication No. 20-0264454 discloses an electrode rod assembly for a boiler for reducing air resistance
(patent document 0002)2. electrode bar structure of electrode boiler of korean registered patent publication No. 10-1349468
(patent document 0003)3. Korean laid-open patent publication No. 10-2015-0107690 electric ion amplification heat generator
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems,
an object of the present invention is to provide an electrode rod for an electric boiler, which can prevent oxidation of the electrode rod used in the electric boiler and improve heating efficiency.
In addition, in order to improve heating efficiency, the electrode rod of the present invention is applied to a surface area expanding device, thereby maximally expanding the surface area of the electrode rod in contact with the electrolytic water.
Further, the present invention has an object to prevent the generation of sparks by finishing and insulating the connection portion of the electrode rod and the surface area expanding means by a heat shrinkable protective cover of an insulating material.
Another object of the present invention is to provide a method for manufacturing a surface area expanding electrode rod for an electrode boiler.
In order to achieve the above object, a surface area expanding electrode rod for an electrode boiler according to the present invention includes:
a cylindrical electrode rod body 100 which is provided inside a boiler water tank containing electrolytic water and promotes ionization of the electrolytic water by electricity flowing on an outer peripheral surface in contact with the electrolytic water;
a surface area expanding means 200 electrically connected to the electrode rod body 100 so that the surface area on which electricity can flow is expanded.
Further, the electrode rod for use in the electrode boiler of the present invention is characterized in that,
the cylindrical electrode rod 100 is provided in a boiler water tank containing electrolytic water, and the ionization of the electrolytic water is promoted by electricity flowing on the outer peripheral surface of the cylindrical electrode rod 100, which is in contact with the electrolytic water, and the diameter of the cylindrical electrode rod 100 is 16mm to 21 mm.
Further, a method for manufacturing a surface-area-expandable electrode bar according to the present invention includes:
a first preparation step S100 of preparing a cylindrical electrode rod body 100, which, when electricity is applied, the cylindrical electrode rod body 100 comes into contact with the electrolytic water contained in the boiler water tank and promotes ionization of the electrolytic water;
a second preparation step S200 of preparing a spring 200 for surface area expansion, the spring 200 for surface area expansion having a diameter larger than the diameter of the outer peripheral surface of the cylindrical electrode rod body 100;
a first coupling step S300 of coupling the prepared surface area expanding spring 200 to the outer peripheral surface of the electrode rod body 100;
and an electrical heating step S400 of electrically connecting both ends of the spring for surface area expansion 200 to the upper and lower portions of the electrode rod body 100, respectively.
The invention uses low-concentration electrolytic water and utilizes the electricity to ionize the electrolytic water, thereby maximally expanding the surface area of the electrode bar for heating the circulating water of the boiler, minimizing the oxidation of the electrode bar and the generation of dirt slag, improving the heating efficiency of the electrolytic water, prolonging the service life of the electrode bar and saving the maintenance cost caused by the replacement of the electrode bar.
In addition, the electrode rod of the present invention is applied to a surface area expansion device, so that the surface area in contact with the electrolyzed water can be expanded to the maximum, and the heating efficiency is increased as compared to a rod-heating type electric boiler, so that the heating effect of the electrode boiler can be increased.
Further, the present invention finishes and insulates the connection part of the electrode rod and the surface area expanding means by the heat shrinkable protective cover of the insulating material, thereby preventing sparks, and thus can stably use the electrode boiler.
Further, the present invention provides a method for manufacturing a surface area expanded electrode rod for an electrode boiler, so that an environment-friendly heating system can be established by an electrode boiler generating less pollution than a fossil fuel system, and thus the industrial applicability is high.
Drawings
Fig. 1 is a perspective view of a surface area expanding type electrode rod for an electrode boiler according to the present invention.
Fig. 2 is a combination of the surface area expanding electrode rod for an electrode boiler of the present invention with fig. 1.
Fig. 3 is a combination of the surface area expanding electrode rod for an electrode boiler of the present invention with fig. 2.
FIG. 4 is a view showing a state in which the surface area expanding electrode rod for an electrode boiler of the present invention is installed in a boiler water tank.
FIG. 5 is a view showing the state where the surface area expanding electrode bar for an electrode boiler of the present invention is installed in a boiler water tank.
Fig. 6 is a view showing a surface area expanding groove formed in the surface area expanding electrode rod for an electrode boiler according to the present invention.
Fig. 7 is a sequence diagram of the method for manufacturing the surface-expandable electrode rod according to the present invention.
Fig. 8 is a view illustrating the size of the surface area expanding electrode rod of the present invention.
Figure 9 is an illustration of an electrode rod according to yet another embodiment of the present invention.
Description of the reference symbols
10: electrode bar
20: boiler water tank
100: electrode bar body
200: surface area expanding device
300: protective cover
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to fig. 1 to 8.
Fig. 1 is a perspective view of a surface area expanding type electrode rod for an electrode boiler of the present invention, fig. 2 is a combination view of the surface area expanding type electrode rod for an electrode boiler of the present invention 1, and fig. 3 is a combination view of the surface area expanding type electrode rod for an electrode boiler of the present invention 2.
Referring to fig. 1, the surface area expanding type electrode rod for an electrode boiler (hereinafter, referred to as "electrode rod") of the present invention applies a surface area expanding means 200 to the electrode rod, so that low concentration of electrolyzed water can be used, thereby preventing oxidation of the electrode rod due to high concentration of electrolyzed water, increasing the surface area in contact with the electrolyzed water, and thus improving the heating efficiency of the electrolyzed water, as shown in the left side view of fig. 2, which basically comprises an electrode rod body 100 and a surface area expanding means 200, as shown in the right side view of fig. 2 and 3, and may further comprise a protective cover 300.
As shown in fig. 4 and 5, the electrode boiler is a method in which an electrode rod 10 is inserted into a boiler water tank 20 storing electrolytic water (for example, brine) and the electrolytic water is heated in the process of ionizing the electrolytic water by electricity (ac) flowing through the electrode rod, and in the case of an indirect heating method using an electric heating rod, which has been used in large quantities in the past, the electrode boiler of the direct heating method has little heat loss and small power consumption compared to the case of generating a large amount of heat loss, and is economical.
In addition, the electrode boiler has no combustion and explosion processes, compared to an oil boiler using fossil fuel, and thus does not generate vibration and noise, and does not generate Co, Co2And harmful substances such as NOx, are recently attracting attention as an electric boiler system for an environmentally friendly boiler.
However, the electrode boiler has a disadvantage in that oxidation occurs on the surface of the electrode rod 10 soaked in the electrolytic water stored in the water tank of the boiler, and sludge (metal lumps falling off from the electrode rod due to oxidation) is generated.
The electrolyzed water is not pure water but water mixed with an electrolyte (e.g., salt) which is attached to the surface of the electrode rod during ionization, thereby oxidizing the surface of the electrode rod. The oxidation of the electrode rod results in the generation of sludge, which, if deposited inside the boiler water tank, inhibits the ionization of the electrolytic water and thus causes a drop in the heating efficiency of the electrolytic water, and not only a satisfactory boiler effect cannot be expected, but also the oxidized electrode rod cannot perform its function, thus requiring replacement.
In order to solve such problems, a method of reducing oxidation of the electrode rod and generation of sludge by using low-concentration electrolytic water has been conventionally attempted, but such a method can reduce generation of sludge, but the heating efficiency of electrolytic water is lowered because ionization of the low-concentration electrolyte cannot be sufficiently achieved, and satisfactory boiler effect cannot be expected.
Therefore, the present invention has been made to solve the conventional problems, and as a result of studies to use low-concentration electrolytic water in order to minimize generation of sludge and to prevent a decrease in heating efficiency of the electrolytic water, if the surface area of an electrode rod (the area through which electricity can flow) is increased under the low-concentration electrolytic water condition, it has been confirmed that generation of sludge is reduced (due to the low-concentration electrolytic water) and heating efficiency of the electrolytic water is improved (because the surface area of the electrode rod that can be in contact with an ionized electrolyte is increased, ionization is sufficiently achieved even at a predetermined electrolyte concentration of low concentration).
However, expanding the surface area of the electrode rod means increasing the diameter of the electrode rod in a cylindrical shape, that is, means increasing the size of the electrode rod.
However, at least one electrode rod is provided inside the boiler water tank, and the size of the electrode rod cannot be increased arbitrarily to expand the surface area of the electrode rod.
If the size of the electrode rod 10 is greatly increased, the distance from the electrode rod 10 having an increased size and installed in the water tank is reduced, which causes not only a problem of a reduction in the ionization efficiency of the electrolyzed water and a problem of an increase in the oxidation degree of the electrode rod, but also a structural problem of installing a plurality of cylindrical electrode rods having an increased size in the water tank having a certain size.
Therefore, in the present invention, although it will be described later, it is preferable that the size (diameter) of the electrode rod (the cylindrical electrode rod main body 100+ the surface area expanding device 200) is a value of 16mm to 21 mm.
In other words, the present invention has been made to overcome the limitation that the size (diameter) of an electrode rod is limited to a value of 16mm to 21mm and the surface area of the electrode rod needs to be maximized in such a state, and the surface area expanding device 200 is combined with the outer circumferential surface of a conventional cylindrical electrode rod to expand the surface area of the electrode rod (specifically, the area through which electricity can flow) in order to overcome the limitation that the size of the electrode rod increases for expanding the surface area of the electrode rod while satisfying such a limitation.
In other words, the core technical idea of the present invention is to use low concentration of electrolyzed water for reducing oxidation of the electrode rod and to combine the surface area expanding means 200 on the outer circumferential surface of the cylindrical electrolytic rod for increasing the heating efficiency of the electrolyzed water.
Accordingly, the present invention has the effect of reducing oxidation of the electrode rod generated on the surface of the electrode rod 10, thereby reducing the generation of sludge, and also increasing the service life of the electrode rod 10, thereby saving maintenance costs caused by the replacement of the electrode rod 10, and increasing the contact area with the electrolytic water by increasing the surface area of the electrode rod 10, thereby improving the ionization efficiency of the electrolytic water, and also improving the heating efficiency of the electrolytic water.
Specifically, the surface area expanding electrode rod for an electrode boiler of the present invention is characterized by comprising:
a cylindrical electrode rod body 100 which is provided inside a boiler water tank containing electrolytic water and promotes ionization of the electrolytic water by electricity flowing on an outer peripheral surface in contact with the electrolytic water;
a surface area expanding means 200 electrically connected to the electrode rod body 100 so that the surface area on which electricity can flow is expanded.
Referring to fig. 2, the electrode rod body 100 is an electrolytic water ionization promoting device, is formed in a cylindrical shape, is inserted into a boiler water tank containing electrolytic water, and promotes ionization of the electrolytic water by electricity (alternating current) flowing on an outer circumferential surface contacting the electrolytic water, thereby heating the electrolytic water by frictional heat generated during the ionization.
The principle of heating the electrolyzed water by ionization is as follows.
If electricity is applied to the electrode rod body 100, the electrolyzed water (e.g., brine) is ionized and simultaneously separated into anode (+) ions (e.g., Na ions) and cathode (-) ions (e.g., C1 ions), and the ions are polarized at 60 times per second (since the polarity is reversed at 60 times per second since the electricity flowing through the electrode rod is a common ac current), and frictional heat is generated by the attractive and repulsive forces between the generated ions, thereby heating the electrolyzed water.
At this time, as shown in fig. 4, a fixing screw portion 110 is formed at one side of the electrode rod body 100, the fixing screw portion 110 is coupled and fixed to a lid 21 of the boiler water tank or the like by a fastening and connecting member 22, and the electrode rod body 100 is inserted and installed inside the boiler water tank.
Accordingly, the electrode rod body 100 is installed in a boiler water tank storing electrolyzed water in a state of maintaining a certain depth, and the electrode rod body 100 in which the supplied electricity flows is prevented from directly contacting the boiler water tank.
If electricity flows in the electrode rod body 100 thus provided, the electrolyzed water held inside the boiler water tank is ionized by the electricity.
Referring to fig. 2, the surface area expanding means 200 is electrically connected to the electrode rod body 100 to expand the surface area on which electricity can flow, and the present invention increases the ionization efficiency of electrolyzed water by increasing the area in contact with the electrolyzed water through the surface area expanding means 200, and can use low-concentration electrolyzed water having a lower concentration than that of the electrolyzed water used in the past, thereby reducing (due to the low concentration) oxidation of the electrode rod by the electrolyte included in the electrolyzed water. (because the concentration of the electrolyte, which is a cause of oxidation, is low)
As shown in FIG. 2, the surface area expanding device 200 of the present invention has a spring-like pattern. The spring-shaped surface area expanding device 200 is coupled to the electrode rod body 100 by being fitted around the outer circumferential surface of the electrode rod body 100, and then electrically connected to the electrode rod body 100, so that the surface area of the electrode rod, on which electricity can flow, is expanded to the surface area of the spring-shaped surface area expanding device 200.
At this time, the surface area expander 12, which is coupled to the outer peripheral surface of the electrode rod body 100 by being fitted thereto, is coupled to the outer peripheral surface of the electrode rod body 100 by being spaced apart from the electrode rod body 100 except for a portion electrically connected to the electrode rod body 100.
In particular, both side ends of the spring-shaped surface area expanding device 200 are electrically connected at the upper and lower portions of the electrode rod body 100, respectively. The electrical connection may be by welding or soldering.
In this case, a metal material having excellent corrosion resistance against corrosion and oxidation caused by electrolytic water should be used as the material for the electrode rod body 100 and the surface area expanding device 200, and therefore, stainless steel or a titanium material is preferably used.
The surface area expanding means 200, which is coupled to the outer circumferential surface of the electrode rod body 100 so as to be fitted over the outer circumferential surface, is also an electrolytic water ionization promoting means, as is the electrode rod body 100, and the ionization of the electrolytic water is promoted by electricity (alternating current) flowing through the outer circumferential surface in contact with the electrolytic water, so that the electrolytic water is heated by frictional heat generated during the ionization.
Further, in terms of the present invention, it is preferable that the size (diameter) of the electrode rod (the cylindrical electrode rod body 100+ the surface area expanding means 200) is a value of 16mm to 21 mm.
At least one electrode bar is arranged in the boiler water tank, and the size of the electrode bar cannot be increased freely for expanding the surface area of the electrode bar.
If the size of the electrode rod 10 is greatly increased, the distance from the electrode rod 10 having an increased size and installed in the water tank is reduced, which causes not only a problem of a reduction in the ionization efficiency of the electrolyzed water and a problem of an increase in the oxidation degree of the electrode rod, but also a structural problem of installing a plurality of cylindrical electrode rods having an increased size in the water tank having a certain size.
Therefore, the reason why the size (diameter) of the electrode rod (the cylindrical electrode rod body 100+ the surface area expanding device 200) is limited to a value of 16mm to 21mm in the present invention is to solve the above-mentioned ionization problem, the oxidation problem of the electrode rod, and the installation space problem due to the increase in the size of the electrode rod.
In other words, the size (diameter) of the electrode rod (the cylindrical electrode rod body 100+ the surface area expanding means 200) is defined to a value of 16mm to 21mm, and in such a state, it is necessary to maximize the surface area of the electrode rod.
Characterized in that the size (diameter) of the electrode rod is limited to a value of 16mm to 21mm, and in this state, in order to maximize the surface area of the electrode rod, the surface area expanding means 200 in the form of a spring is fitted over the outer circumferential surface of the cylindrical electrode rod body 100 and coupled thereto.
For example, as shown in fig. 8, the diameter of the cylindrical electrode rod body 100 is 14mm, and the surface area expanding means 200 in the form of a spring having a diameter of 3mm is fitted over the outer peripheral surface of the cylindrical electrode rod body 100 having a diameter of 14mm so that the diameter of the entire electrode rod (the cylindrical electrode rod body 100+ the surface area expanding means 200) has a value of 21mm at a spacing of 0.5 mm.
It is to be understood that the diagram shown in fig. 8 is merely an example of the combination of the cylindrical electrode rod body 100 and the spring-type surface area expander 200 constituting the present invention, and it is needless to say that various embodiments are possible under the restriction that the size (diameter) of the electrode rod (the cylindrical electrode rod body 100+ the surface area expander 200) is set to a value of 16mm to 21 mm.
In the spring-like surface area expanding device 200, as shown in fig. 6, a plurality of surface area expanding grooves 210 are further formed on the surface of the spring-like surface area expanding device to increase the contact area with the electrolyzed water, thereby further increasing the ionization efficiency.
The surface area expansion tank 210 can contact the electrolyzed water in a wider area of the spring-type surface area expansion device 200 than in the case where the surface area expansion tank 21 is not formed, and therefore the electrolyzed water ionization efficiency can be increased by that much, and the electrolyzed water heating efficiency can be further increased.
Referring to fig. 2, a protective cover 300 is further formed at a portion (electric contact portion in fig. 2) where the spring-like surface area expanding unit 200 and the electrode rod body 100 are electrically connected.
The protective cap 300 is a heat-shrinkable sleeve made of one material having insulating and heat-shrinkable properties, and is heat-shrunk by heating after being fitted over a portion (electric contact portion of fig. 2) where the spring-shaped surface area expanding means 200 and the electrode rod body 100 are electrically connected, as shown in fig. 3.
In other words, since the protective cover 300 is heat-shrunk by being heated after being fitted over the electrically connected portion (the electrical contact portion in fig. 2) of the spring-like surface area expanding unit 200 and the electrode rod main body 100, the protective cover 300 is closely bonded to the spring-like surface area expanding unit 200 and the electrode rod main body 100 as shown in the right side view of fig. 3, so that the electrically connected portion (the electrical contact portion in fig. 2) of the spring-like surface area expanding unit 200 and the electrode rod main body 100 is prevented from being exposed to the outside.
As described above, the reason why the heat-shrinkable protective cover 300 prevents the portion (electric contact portion in fig. 2) where the spring-shaped surface area expander 200 and the electrode rod main body 100 are electrically connected from being exposed to the outside is that if electric current flows, sparks may be generated at the portion where the electrode rod main body 100 and the surface area expander 200 are electrically connected, thereby cutting off in advance the adverse effect of overheating or inhibition of ionization of electrolytic water.
Fig. 4 is a view showing a state where the surface area expanding electrode bar for an electrode boiler of the present invention is installed in a boiler water tank, and fig. 5 is a view showing a state where the surface area expanding electrode bar for an electrode boiler of the present invention is installed in the boiler water tank.
As shown in fig. 4, at least one electrode rod 10 of the present invention is provided inside the boiler water tank in order to improve the ionization efficiency of the electrolyzed water.
Referring to fig. 4, the fixing screw portion 110 of the electrode 10 is coupled to the fastening member 22 provided in the boiler cover 21, and the electrode 10 is fixedly provided on the boiler cover 21, and the electrode 10 is inserted into the boiler tank 20 for storing the electrolyzed water, as shown in fig. 5.
As described above, if electricity is applied to the electrode rods provided inside the boiler water tank, ionization of the electrolytic water stored inside the boiler water tank 20 is promoted, and during the ionization, the electrolytic water is heated by frictional heat generated between ions, and the heated electrolytic water is used as the heating circulating water of the boiler.
In addition, an electrode rod for an electrode boiler in accordance with still another embodiment of the present invention is characterized in that,
as shown in fig. 9, the electrolytic water supply device includes a cylindrical electrode rod body 100 which is provided inside a boiler water tank for containing electrolytic water and promotes ionization of the electrolytic water by electricity flowing on an outer peripheral surface in contact with the electrolytic water, and the diameter of the electrode rod body 100 is 16 to 21 mm.
At least one electrode bar is arranged in the boiler water tank, so the size of the electrode bar can not be increased freely for expanding the surface area of the electrode bar.
If the size greatly increased of electrode bar, then become nearly with the distance that sets up other electrode bars that the inside size of basin has increased to not only can take place the problem that the ionization efficiency of electrolysis water descends and the problem that the electrode bar oxidation degree aggravated, can take place moreover that the size has increased a plurality of electrode bars set up the problem on the space of setting up when having the inside basin of certain size.
Therefore, the reason why the size (diameter) of the electrode rod is limited to a value of 16mm to 21mm in the present invention is to solve the above-mentioned ionization problem, the oxidation problem of the electrode rod, and the problem in the installation space due to the increase in the size of the electrode rod.
Fig. 7 is a sequence diagram of the method for manufacturing the surface area expanding electrode bar of the present invention.
Referring to fig. 7, the method for manufacturing a surface area expanding electrode bar (hereinafter, referred to as "manufacturing method") according to the present invention includes a first preparation step S100, a second preparation step S200, a first bonding step S300, and an electrical connection step S400, and further includes a second bonding step S500 and a protective cover shrinking step S600.
Specifically, the method for manufacturing a surface-area-expandable electrode bar according to the present invention includes:
a first preparation step S100 of preparing a cylindrical electrode rod body 100, which, when electricity is applied, the cylindrical electrode rod body 100 comes into contact with the electrolytic water contained in the boiler water tank and promotes ionization of the electrolytic water;
a second preparation step S200 of preparing a spring-shaped surface area expanding device 200, the spring-shaped surface area expanding device 200 having a diameter larger than the diameter of the outer circumferential surface of the cylindrical electrode rod body 100;
a first combining step S300 of combining the prepared spring-shaped surface area expanding device 200 on the outer circumferential surface of the electrode rod body 100 in a nested manner;
and an electrical connection step S400 of electrically connecting both ends of the spring-shaped surface area expanding device 200 to the upper and lower portions of the electrode rod body 100, respectively.
The first preparation step S100 is a step of preparing a cylindrical electrode rod body 100, and when electricity is applied, the cylindrical electrode rod body 100 is brought into contact with the electrolyzed water stored in the boiler water tank 20 to promote ionization of the electrolyzed water, and the size (diameter) of the electrode rod body 100 is determined according to the required capacity of the electrode boiler.
The second preparation step S200 is a step of preparing a spring-shaped surface area expander 200, in which the spring-shaped surface area expander 200 has a diameter larger than the diameter of the outer circumferential surface of the cylindrical electrode rod body 100 and is larger than the diameter of the electrode rod body 100 prepared in the first preparation step S100.
The first coupling step S300 is a step of coupling the prepared spring-shaped surface area expanding device 200 to the outer peripheral surface of the electrode rod main body 100 in a fitting manner, and is shown in the left side view of fig. 2.
The electrical connection step S400 is a step of electrically connecting both ends of the spring-shaped surface area expander 200 to the upper and lower portions of the electrode rod body 100, respectively.
The electrical connection may be by conventional welding or soldering.
The surface area expansion type electrode rod manufacturing method of the present invention may further include a second bonding step S500 and a protective cover shrinking step S600 after the electrical connection step S400.
The second bonding step S500 is a step of covering a portion of the spring-shaped surface area expanding device 200 electrically connected to the electrode rod body 100 with the heat-shrinkable protective cover 300, and is shown in the right side view of fig. 2.
The cap contracting step S600 is a step of heating the protective cap 300 to contract the heat-shrinkable protective cap 300, and causing the heat-shrinkable protective cap 300 to be in close contact with the spring-like surface area expanding device 200 and the electrode rod body 100, thereby preventing a portion (an electric contact portion in fig. 2) where the spring-like surface area expanding device 200 and the electrode rod body 100 are electrically connected from being exposed to the outside, and is referred to fig. 3.
The technical idea of the present invention has been described above with reference to the accompanying drawings, but this is merely an exemplary preferred embodiment of the present invention and is not a limitation of the present invention. Further, it is clear that anyone having general knowledge in the technical field can make various modifications and simulations without departing from the scope of the technical idea of the present invention.
Claims (8)
1. A surface area expanding electrode rod for an electrode boiler, comprising:
a cylindrical electrode rod body (100) which is provided inside a boiler water tank containing electrolytic water and promotes ionization of the electrolytic water by electricity flowing on the outer peripheral surface in contact with the electrolytic water;
a surface area expanding means (200) electrically connected to the electrode rod body (100) so that the surface area on which electricity can flow is expanded.
2. Surface area expanding electrode bar for an electrode boiler, according to claim 1,
the surface area expanding device (200) is formed in a spring shape, is combined on the peripheral surface of the electrode rod body (100) in a sleeved mode, and two side ends of the surface area expanding device are respectively and electrically connected with the upper side part and the lower side part of the electrode rod body (100).
3. Surface area expanding electrode rod for an electrode boiler, according to claim 2,
the spring-shaped surface area expanding device (200) is further provided with a plurality of surface area expanding grooves (210) on the surface of the spring shape so as to additionally expand the surface area contacting the electrolyzed water.
4. Surface area expanding electrode rod for an electrode boiler, according to claim 2,
the protective cover (300) is arranged on the part formed by the spring-shaped surface area expanding device (200) and the electrode bar body (100) which are electrically connected,
the protective cover (300) is a material having insulating properties and heat-shrinking properties.
5. A method for manufacturing a surface-area-expanded electrode rod for use in an electrode boiler, comprising:
a first preparation step (S100) of preparing a cylindrical electrode rod body (100) which, when electricity is applied, brings the cylindrical electrode rod body (100) into contact with electrolytic water stored in a boiler water tank and promotes ionization of the electrolytic water;
a second preparation step (S200) of preparing a spring-shaped surface area expanding device (200), wherein the spring-shaped surface area expanding device (200) has a diameter larger than the diameter of the outer peripheral surface of the cylindrical electrode rod body (100);
a first bonding step (S300) of bonding the prepared spring-shaped surface area expanding device (200) to the outer peripheral surface of the electrode rod body (100) in a sleeved manner;
and an electrical connection step (S400) for electrically connecting both side ends of the spring-shaped surface area expanding device (200) to the upper and lower portions of the electrode rod body (100), respectively.
6. The surface area expanding electrode rod manufacturing method according to claim 5,
further comprising, after the electrically connecting step (S400):
a second bonding step (S500) of covering a heat-shrinkable protective cover (300) on a portion of the spring-shaped surface area expanding device (200) to which the electrode rod body (100) is electrically connected;
and a protective cover shrinking step (S600) for shrinking the heat-shrinkable protective cover (300) by applying heat, so that the heat-shrinkable protective cover (300) is tightly attached to the spring-shaped surface area expanding device (200) and the electrode rod body (100).
7. The surface area expanding electrode rod manufacturing method as claimed in claim 2,
when the surface area expanding device (200) is sleeved on the outer peripheral surface of the electrode rod body (100) and combined, the whole diameter of the electrode rod is 16-21 mm.
8. An electrode rod for an electrode boiler, characterized in that it comprises:
a cylindrical electrode rod body (100) which is provided inside a boiler water tank containing electrolytic water and promotes ionization of the electrolytic water by electricity flowing on the outer peripheral surface in contact with the electrolytic water,
the diameter of the electrode rod body (100) is 16-21 mm.
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| KR10-2019-0112724 | 2019-09-11 | ||
| KR1020190112724A KR102128451B1 (en) | 2019-09-11 | 2019-09-11 | An expanding surface type electrode bar that is using for a electrode boiler and produce method thereof |
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| CN112492716A true CN112492716A (en) | 2021-03-12 |
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