KR100435904B1 - Electric boiler - Google Patents

Abstract

The present invention relates to an electronic boiler, wherein a hot water supply pipe (11) is installed at an upper side, and a water storage unit (10) provided with a water supply pipe (12) at a lower portion thereof; The heating tank 21, which is installed at the bottom of the bottom of the bottom part 10 and heats and stores the heated hot water, is divided with the bottom surface of the bottom part 10 from the heating tank 21, and has a predetermined vacuum pressure therein. The formed heating chamber 22, a plurality of circumferentially installed in the heating chamber 22 from the heating tank 21 in a circumferential shape, a hot water distribution supply pipe 23 for distributing the flow of hot water stored therein, and a hot water distribution supply pipe A first hot water heating unit 20 provided at a center side on which the 23 is installed and provided with a heater 24 for heating the inner side of the heating chamber and the inner side of the heating tank with electrical action heat; A heat exchanger 30 installed vertically above the heater 24 of the first hot water heater 20 to amplify and accumulate a heating temperature; A hot water distributor 40 connected to an upper portion of the first hot water heating unit 20 to receive hot water from a hot water distribution supply pipe 23 and branching upward for secondary heating of the heated hot water; The second hot water heater 50 is configured to heat / inlet the hot water distributed from the hot water distributor 40 through the heat obtained from the heat exchange part 30 to heat the inflow water in the water storage part 10 to heat / supply the heating hot water. It is characterized in that, the hot water circulated to the hot water circulation supply line piped to each indoor floor is primarily heated, and the first heated hot water is thermally stored at a high temperature through the heat exchanger by a heater that generates heat in vacuum pressure and at the same time heat exchange Secondary heating of the hot water sent to the indoor side through the unit to maximize the thermal efficiency, and the secondary heating temperature of the hot water transferred from the heat output unit is heated to obtain the heating water and water for heating It can be effective.

In addition, since only a pure electricity supply is used, it is possible to omit the installation of the rechargeable battery which is required for the late night electricity in the existing electric boiler, thereby minimizing the size of the boiler main body according to the installation space, and low consumption. Since the electric boiler can be operated by electric power, it provides economical effect by minimizing the heating cost.

Description

Electric boiler

The present invention relates to an electronic boiler, and more particularly, to heat the heat medium by using electricity to regenerate thermal energy and to promote the temperature of the heated hot water, thereby significantly improving thermal efficiency, and significantly reducing the heating cost according to power consumption. The present invention relates to an electronic boiler capable of providing a smooth heating and hot water supply at the same time.

In general, boilers installed and used in homes or other places for the purpose of indoor heating and hot water use are composed of the main fuel as the fuel supply of oil or gas, and the flames generated directly by their combustion are used to Through the hot water heat obtained by transferring heat from the heating pipe connected to the hot water supply pipe through it to heat the room and supply hot water, unlike the heating method by the fuel supply of such a boiler, the electric boiler (Electric boiler) is electric As a boiler for generating steam by heating water received by supply, there is a type that uses itself as a resistor and a current flows between electrodes, or a heating wire type that uses an electric resistor.

In general, an electronic boiler heats the heating medium only by supplying electricity which is clean energy, compared to general oil or gas boilers. The characteristic of the electronic boiler is that there is no risk of explosion due to fire, and safety accidents such as gas leakage can be considered. This boiler is suitable for environmentally friendly use because it does not generate any smoke or ash in combustion.

However, the urgent need to be dealt with in an electronic boiler is that the heat efficiency is lower than that of a general boiler or the heating cost due to power consumption is uneconomical. Therefore, the use of electricity is practically low. Due to the use of late-night electricity by battery charging, the electronic boiler eventually occupies a larger volume than a normal kerosene or city gas boiler due to the capacity of the battery, which has a problem in that the working conditions are difficult in transportation and installation work.

The present invention is to solve the above problems, in the electronic boiler, heating the heat medium to heat the heat energy and at the same time to promote the heating temperature to significantly improve the thermal efficiency, significantly reducing the heating cost according to power consumption In addition, the heating and hot water supply can be made smoothly at the same time, as well as minimizing the volume and weight of the boiler, thereby reducing the power consumption and operating efficiency. The purpose is to provide a superior electronic boiler that can be applied to homes or industrial sites with electric power.

According to the present invention for achieving the above object, in an electronic boiler, a hot water supply pipe is installed on the upper side, the bottom of the hot water supply pipe is installed; A heating tank that primarily heats / stores the heated hot water installed on the bottom of the bottom of the water reservoir, and is divided into a bottom surface of the bottom of the bottom of the water heater from a heating tank, and has a predetermined vacuum pressure therein, and the inside of the heating chamber from the heating tank. A plurality of circumferentially installed in the hot water distribution supply pipe for distributing the flow of hot water stored in the primary heating and the central side where the hot water distribution supply pipe is installed to heat the inner side of the heating chamber and the inner side of the heating tank with electrical action heat. A first hot water heating unit provided with a heater; A heat exchanger installed vertically above the heater of the first hot water heater to amplify and accumulate a heating temperature; A hot water distributor connected to an upper portion of the first hot water heater and configured to receive hot water from a hot water distribution supply pipe and branch upwards for secondary heating of heated hot water; The hot water distributed from the hot water distributor is characterized by consisting of a second hot water heating unit for heating / supplying the heating hot water by heating second inlet water in the water storage section through the heat obtained from the heat exchange unit.

1 is a cross-sectional view showing an electronic boiler of the present invention,

Figure 2 is a detailed view showing an enlarged part of the main part of the electronic boiler according to the present invention,

3 is a cross-sectional view taken along the line A-A of FIG.

4 and 5 are side cross-sectional views showing the convection phenomenon inside the heat exchange unit of the boiler according to the present invention.

Explanation of symbols on the main parts of the drawings

10: water storage unit 20: first hot water heating unit

21: heating tank 22: heating chamber

23: hot water distribution supply pipe 24: heater

30: heat exchanger 32: body

33: heat storage pipe 40: hot water distributor

41: hot water inlet hole 42: hot water discharge hole

50: second hot water heating unit 52: heating pipe

S: heat medium

Hereinafter, with reference to the accompanying Figures 1 to 5 showing an embodiment of the present invention in more detail as follows.

1 is a cross-sectional view showing the electric boiler of the present invention, Figure 2 is a detailed enlarged view showing a part of the main portion of the electronic boiler according to the present invention, Figure 3 is a cross-sectional view taken along line A-A of FIG.

In the electronic boiler 100, from the inside of the external appearance of the electronic boiler, a hot water supply pipe 11 is provided at an upper side, and a water storage unit 10 provided with a shishi supply pipe 12 is provided at a lower portion thereof. 10, the first hot water heating unit 20, the heat exchanger 30 is installed vertically above the heater 24 of the first hot water heating unit 20 to amplify and accumulate the heating temperature, and the first hot water It is connected to the upper portion of the heating unit 20, and receives the hot water from the hot water distribution supply pipe 23 and the hot water distributor 40 for branching upward for the secondary heating of the heated hot water, and from the hot water distributor 40 The second hot water heating unit 50 heats the inflow water in the water storage unit 10 through the heat obtained from the heat exchange unit 30 through the heat obtained from the heat exchange unit 30.

The first hot water heating unit 20 is installed on the bottom surface of the water storage unit 10 is provided with a heating tank 21 for heating and storing the heating hot water introduced from the outside, and from the heating tank 21 A heating chamber 22 is isolated from the bottom of the hot water section 10 and a predetermined vacuum pressure is formed therein, and hot water stored by heating the cylinder circumferentially in the heating chamber 22 from the heating tank 21. A plurality of hot water distribution supply pipes 23 for distributing the flow of water are installed, and the inner side of the heating chamber 22 and the inner side of the heating tank 21 are heated by an electrically operated heat on the center side where the hot water distribution supply pipes 23 are installed. The heater 24 for this purpose is provided.

The heater 24 is a ceramic material for evenly radiating high-temperature heat wrapped around the heating wire, is installed to be spaced apart from the bottom of the heat exchanger 30 by a predetermined interval, the hot water distribution in the heating chamber 22 having a vacuum pressure Including the supply pipe 23, the heating tank 21 and the heat exchanger 30 can be heated on the bottom surface thereof. Here, the vacuum pressure inside the heating chamber 22 is 5 × 10 ⁻⁵ Torr (mmHg), and a predetermined amount of nitrogen is contained. The reason for setting the vacuum pressure inside the heating chamber 22 is, for example, vacuum. It is preferable not to use it as a heat transfer barrier such as a thermos bottle, and to use it as a device capable of transferring heat. Examples thereof include a cooking halogen heater, a highlight lamp, and the like, and each device capable of heat transfer with such a degree of vacuum is a condition in which heat can be evenly diffused in a vacuum and saturated at a low boiling point in a vacuum. The purpose of forming the vacuum pressure inside the heating chamber is to improve the uniformity of thermal diffusion, the efficiency of prevention of oxidation and heat loss, and the like. In addition, the mixed gas or nitrogen in the vacuum state as described above. It is sealed after the addition, which is carried out in the same manner as widely used in the production of the above-mentioned halogen heater, highlight lamp, bulb, etc. The role of nitrogen is introduced for the purpose of preventing oxidation inside the heating chamber.

On the other hand, the heat exchange part 30 has a predetermined volume, the length of the lower body than the upper portion inside the body while being perpendicular to the inner bottom surface of the cylindrical body 32 formed with the injection hole 31 for supplying the heat medium (S) at the top Hollow heat storage pipe 33 is installed to guide the plurality is configured.

The reason why the length of the heat storage pipe 33 is lower than the upper side in the body 32 is that the inner side of the heat exchanger 30 is heated while keeping the point at which the inner heat medium S is heated to rise stably. This is to allow the surface area of the to be designed.

The heat medium S filled in the body 32 of the heat exchange part 30 is 2 to 5% of water through the injection hole 31, 0.1 to 1.0% of powder-type tungsten having predetermined particles, and 0.1 to 0.8% of graphite. And then vacuum treatment, and the mixed gas for thermal diffusion is added after vacuum treatment and then sealed by welding. The tungsten 0.1-1.0% and graphite 0.1-0.8% are mixed with predetermined water to act. In order to carry out heat transfer and heat storage by acting as a catalyst for heat motion such as vaporization, heat transfer, and the like at a low boiling point inside the body 32 where vacuum is maintained, the heat transfer is carried out. The heat storage pipe 33 of the unit 30 preferably uses a superconductor pipe or copper pipe having a high heat transfer rate, and has a superconductor material in the body 32 of the heat exchange unit 30 in place of the heat storage pipe. Ball with predetermined diameter A plurality of built-in capable of heat storage the ball and the heating medium (S) which is fluidized by a free movement with the heating temperature depending on the structure also can be installed.

The hot water distributor 40 has a hot water inlet 41 is formed from the bottom surface, the hot water discharge hole 42 discharged to the second hot water heating unit 50 through the hot water inlet 41 is a hot water distributor 40 It is a structure formed in circumferential direction with respect to the diameter of).

The second hot water heating unit 50 has an inner diameter surrounding the outside of the heat exchange unit 30, the body 51 having a hollow on the outside is fixed to the hot water distributor 40, the hollow 51a The heating pipe 52 having a predetermined diameter and length is installed in close contact with the circumference, and the heating hot water supply pipe 53 is provided on the upper side thereof. The hollow of the body of the second hot water heating unit 50 is welded with the hot water distributor 40 side while guiding the heating pipes 52 corresponding to the hot water discharge holes 42 on the hot water distributor 40 side, respectively. Is processed.

Referring to the operation and effects of the operation of the present invention the electronic boiler configured as described above in detail as follows.

First, the installation of the electronic boiler is easy to transport and installation because the volume is small in the condition that does not use the late-night electricity, unlike the conventional electric boiler.

Referring to the operation in the state of connecting the indoor hot water supply line pipe and the supply line and the return line of the electronic boiler in the home or use field, the water supply unit 10 of the boiler by the supply of electricity in accordance with the power on / off The low temperature water circulating through the water supply pipe and the hot water circulation pipe due to the heat generated by the heater 24 installed inside the lower heating chamber 22 is first in the heating tank 21 isolated from the lower side of the heating chamber 22. Is primarily heated at.

The heated hot water is moved into the hot water distributor along the hot water distribution supply pipe 23 leading to the hot water distributor 40 through the heating chamber 22 from the inside of the heating tank 21 by convection.

At this time, the hot water is passed through the heating chamber 22 along the hot water distribution supply pipe 23, the flow rate is also accelerated in accordance with the heating temperature generated by the heater 24 in the heating chamber flows to the hot water distributor 40 side. do.

As described above, the hot water distribution supply pipe 23 is raised along the hot water discharge hole 42, the upper side of the hot water distributor 40, through the hot water inlet hole at the upper side thereof, and ascends toward the second hot water heating unit 50, thereby exchanging the heat exchange unit ( The heat generated in 30) is transferred to the upper side, and the indoor side pipe is moved through the heating hot water supply pipe on the upper side to heat the room.

Referring to the above state in more detail, the hot water discharge hole 42 of the hot water distributor 40 is designed to be smaller than the hot water inlet hole 41, as shown in Figure 2 attached to the hot water distributor 40 Here, the hot water is elevated to the second hot water heating unit 50 in small amounts, respectively, and the heating pipe 52 is installed in the body 51 of the second hot water heating unit 50 to coincide with each of the hot water discharge holes 42. And the heat is transferred through the hollow 51a between the closely heated heating pipes 52 so that the temperature of the hot water to be circulated to the indoor side through the heating hot water supply pipe 53 gradually increases to supply hot water. It becomes possible.

On the other hand, the high temperature heat obtained by the second hot water heating unit 50 heats the bottom surface of the heat exchanger unit 30 installed to be partially introduced into the heating chamber side by the heat generation of the heater 24 installed in the heating chamber 22. Heat is generated, wherein the heat generation of the high temperature of the heater 24 is easy to transfer without heat loss because the internal condition of the heating chamber 22 has a vacuum pressure, so that the body 32 of the heat exchanger 30 is heated. Of course, it is possible to heat the water in the hot water distribution supply pipe 23 and the heating tank 21 passing through the inside of the heating chamber 22. Here, as described above, the vacuum pressure may be referred to as a cooking halogen heater, In the same principle as heat transfer devices such as a highlight lamp, heat generation can be uniformly diffused in the vacuum to prevent heat loss and to uniformize the heat diffusion. The vacuum pressure inside the heating chamber 22 is an internal heater 24. ) And hot water distribution supply pipe 23 For preventing and it serves to help extend the life of the boiler.

The inside of the heating chamber 22 is a temperature of 670 ℃ ~ 700 ℃ during the normal operation of the boiler, the heat transfer appears quickly, the braking of the operating state of the boiler, that is, the state in which the thermal reaction is stopped from the heat exchange unit 30 Even if the heat emitted from the heat exchange unit 30 can be maintained around 270 ℃ ~ 280 ℃ for a long time, the power required for the operation of the electronic boiler 100 is 3.5 kW when the indoor equilibrium at a minimum power consumption cost In the case of 20-balanced residential electric boilers, the test results showed that the power consumption of the residential electronic boiler could be heated at a low cost of 2.5 kW.

Test result (indoor: based on 20,000 square meters of 40 pyeong) division Fuel consumption (h) 30 days per 8 hours per day Kerosene 2.8ℓ 2.8ℓ × 8h × 30days × 438won / ℓ = 294,336won City gas 2.0㎥ 2.0㎥ × 8h × 30days × 367.86KRW / ㎥ = 176,572KRW Midnight electricity 30㎾ 30㎾ × 6h × 30days × 25.52KRW / ㎾ = 137,808KRW Electronic boiler (general electricity) 3.5 ㎾ 3.5㎾ × 8h × 30days × 72.27KRW / ㎾ + 23,056KRW (Basic rate) = 83,762KRW Electronic Boiler (Late Night Electricity) 3.5 ㎾ 3.5㎾ × 8h × 30days × 56.65KRW / ㎾ + 13,662KRW (Basic rate) = 62,248KRW

As shown in Table 1, the electric boiler according to the present invention has a significant difference in power consumption when using electric power and using a late night electricity, compared to a conventional electric boiler using kerosene, a city gas boiler, and a general late night electric power. Heating costs due to consumption can be reduced to the maximum.

The above results are obtained by a plurality of heat storage pipes 33 installed inside the body 32 of the heat exchanger 30 as amplifying and heating the hot water temperature in the heating chamber 22 and the heat exchanger 30 of the electronic boiler of the present invention. As shown in FIGS. 3 to 5 attached to the heating medium (S) filled in according to the heating temperature, the heating medium (S) in powder form shows convection, the heating medium (11) in the upward direction of the heat storage pipe (33) As S) is raised, the heat medium S at this time is adhered to each other as if it is coated on the hollow 32a between the heat storage pipe 33 and the heat storage pipe 33 of the heat storage pipes that are tightly installed, thereby accelerating the heat more. As the branch is raised by the design length, heat can be dissipated through the body 32 while maintaining the heat of the surface area of the heat exchanger 30 corresponding to the length of the heat storage pipe at the same high temperature.

As described above, the heat exchanger 30 capable of maintaining the heated temperature and the thermal conductivity obtained through the heat exchanger 30 may be improved to economically use the heating temperature and the water used according to the heating.

As described above, the heating of the heater 24 according to the electricity supply is made mainly in the heat exchanger 30 that heats the hot water to a sufficient temperature, and can absolutely meet the heating hot water that serves as the heat storage. The temperature can control the heat generation of the heater 24, the heat storage temperature of the heat exchanger 30, etc. by adopting an electronic automatic control device (SCR method: omitted in the drawing) using a computer function by a microprocessor. .

On the other hand, the heat medium (S) filled in a predetermined amount inside the heat storage pipe 33 is a condition that is easy to be in close contact with the electronic boiler between the inner diameter of the heat storage pipe 33 and each heat storage pipe is in close contact with the heating degree. 2 to 5% of water, 0.1 to 1.0% of a powder-type tungsten having a predetermined particle, 0.1 to 0.8% of graphite and a mixed gas are added thereto, and the inside of the body 32 of the heat exchanger 30 is the heating chamber. (22) As in the interior, a predetermined vacuum pressure is maintained to enable high temperature thermal expansion due to convective action. As described above, tungsten, graphite, which is a heat medium having a particle type in addition to water, is mixed in a vacuum state by a mixed gas. As the temperature rises together with water, the particle-type medium flows as it adheres to the inner wall surface of the heat storage pipe, and thus the heat storage efficiency is improved, and the heat of a high temperature is controlled to a predetermined temperature. In it is possible to lower the minimum continuity and heat loss.

Under the above conditions, the hollow portion between the hollow heating pipe 52 and the heating pipe 52 installed in close contact with the hollow part, ie, circumferentially, through the body 51 of the second hot water heating part 50 ( The hot water passing through 51a) is able to obtain higher heat.

According to the temperature condition of the second hot water heating unit 50 as described above, the water collected in the water storage unit 10 is gradually transferred to high temperature heat to obtain a low temperature water of about 95 ° C. To be able to optimize.

As described above, the electronic boiler of the present invention primarily heats hot water circulated to a hot water circulation supply line piped to each indoor floor, and the first heated hot water is heated to a high temperature through a heat exchanger by a heater that generates heat in a vacuum pressure. At the same time, the hot water sent to the indoor side through the heat exchanger is heated secondly to maximize the thermal efficiency, and the secondary heating temperature of the hot water transferred from the heat-exiting part is heated by the water that is used for the heating water. There is an effect that can be used.

In addition, since only a pure electricity supply is used, it is possible to omit the installation of the rechargeable battery which is required for the late night electricity in the existing electric boiler, thereby minimizing the size of the boiler main body according to the installation space, and low consumption. Since the electric boiler can be operated by electric power, it provides economical effect by minimizing the heating cost.

Claims (8)

In the electronic boiler 100, Hot water supply pipe 11 is installed on the upper side, the water storage unit 10 is provided with a shisu supply pipe 12 at the bottom; A heating tank 21 that primarily heats / stores heated hot water provided and installed at the bottom of the water storage part 10; A heating chamber 22 which is partitioned from the heating tank 21 with the bottom surface of the water storage portion 10 and in which a predetermined vacuum pressure is formed; Hot water distribution supply pipe 23 is installed in a plurality of circumference in the heating chamber 22 from the heating tank 21 to distribute the flow of hot water stored in the primary heating, A first hot water heating unit 20 installed at a center side of the hot water distribution supply pipe 23 and provided with a heater 24 for heating the inner side of the heating chamber and the inner side of the heating tank with electrical action heat; A heat exchanger 30 installed vertically above the heater 24 of the first hot water heater 20 to amplify and accumulate a heating temperature; A hot water distributor 40 connected to an upper portion of the first hot water heating unit 20 to receive hot water from a hot water distribution supply pipe 23 and branching upward for secondary heating of the heated hot water; The second hot water heater 50 is configured to heat / inlet the hot water distributed from the hot water distributor 40 through the heat obtained from the heat exchange part 30 to heat the inflow water in the water storage part 10 to heat / supply the heating hot water. Electronic boiler, characterized in that. The body of claim 1, wherein the heat exchange part 30 has a predetermined volume and is perpendicular from an inner bottom surface to a cylindrical body 32 having an injection hole 31 for supplying a heat medium S thereon. Electronic boiler, characterized in that consisting of a plurality of hollow heat storage pipe 33 is installed in a lower length than the upper portion. The method of claim 2, wherein the heat medium (S) is injected through the inlet 31, water 2-5%, powder-type tungsten 0.1-1.0%, graphite 0.1-0.8% and a mixed gas for thermal diffusion and then the body (32) Electronic boiler characterized in that the vacuum treatment in). 3. The electronic boiler according to claim 2, wherein the heat storage pipe (33) is made of a superconductor material or copper material. 3. The electronic boiler according to claim 2, wherein the body (32) has a superconductor material and a plurality of balls having a predetermined diameter can be stored together with the heat medium. 4. The electric boiler according to claim 3, wherein the vacuum pressure is 5 x 10 ^-5 Torr (mmHg) and contains nitrogen. The hot water distributor 40 is a hot water inlet 41 is formed from the bottom surface, a plurality of hot water discharge holes 42 in the circumferential direction to be discharged to the second hot water heating unit 50 through the hot water inlet An electronic boiler, characterized in that formed. The body of claim 1, wherein the second hot water heating part 50 has an inner diameter surrounding the outside of the heat exchange part 30, and the body 51 having a hollow 51 a is communicated with the hot water distributor 40. While being fixed while being installed, the heating pipe 52 having a predetermined diameter and length in the hollow (51a) is installed in close contact with the circumference, the heating hot water supply pipe 53 is provided on the upper side.