KR101321751B1 - Electric boiler using heat pipe heat exchanger - Google Patents

Abstract

The present invention relates to an electric boiler using a heat pipe heat exchanger capable of using electricity or an electrode as a heat source in a heat exchanger structure having a heat pipe function, and improving thermal efficiency by the function of the heat pipe and the heat exchanger structure. .
The present invention for implementing this, the heat exchange chamber disposed in the middle and formed of a heat pipe; An upper lower chamber and an upper upper chamber which are successively installed at an upper end of the heat exchange chamber; A lower upper chamber and a lower lower chamber which are successively installed at a lower end of the heat exchange chamber; The main heat source in communication with the lower chamber lower through the upper chamber, the upper chamber, the lower chamber, the heat exchange chamber, the lower chamber and the upper chamber from the water inlet provided in the upper chamber, the main heat source is installed therein Supply pipe; At least one sub-heat source supply pipe passing through the lower-side upper chamber, the heat-exchange chamber, and the upper-side lower chamber in order from the lower-side lower chamber to communicate with the upper-side upper chamber, wherein a sub-heat source is installed therein; At least one first heat exchange pipe configured to pass through the upper lower chamber and the heat exchange chamber from the upper upper chamber to form a passage communicating with the lower upper chamber; At least one second heat exchange pipe configured to penetrate the heat exchange chamber from the lower upper chamber to form a passage communicating with the upper lower chamber; It is installed in communication with the upper lower chamber and the outlet for supplying heat-exchanged hot water to the outside; and is installed in the lower portion of the lower lower chamber consists of an electric chamber to which the main heat source and the sub-heat source is fixed.

Description

Electric boiler using heat pipe heat exchanger

The present invention relates to an electric boiler using an electric heater or an electrode as a heat source, and more particularly, to an electric boiler using a heat pipe heat exchanger configured to efficiently exchange heat between heat generated from a heat source and supply water by forming a heat pipe as a heat pipe. It is about.

Generally, the boiler is a device that heats the supplied water supplied to the inside of the tank and uses it for hot water and heating. Such a boiler includes gas, oil, briquettes, electricity, solar heat, and geothermal heat as heat sources for heating supply water. Recently, the development and use of environmentally friendly, clean and high efficiency energy devices are increasing. In particular, many kinds of boilers for improving the thermal efficiency and energy saving have been introduced in the boilers using only the heat of the specific heat possessed by various heat sources. However, due to the heat loss due to the heat exchange, The technical limitations of the technology are not overcome.

In order to solve this problem, development of a highly efficient heat exchanger structure using various heat sources and development of a technique for improving heat efficiency by using heat of the natural gas are urgently required.

delete

delete

delete

Published Patent Publication 10-2004-0029699

The present invention has been invented in view of the above-described circumstances, and has a heat pipe heat exchanger configured to heat an electric heater or an electrode as a heat source and heat the heat generated from the heat source to supply water through a heat exchanger having a heat pipe. There is a problem to be solved in order to provide a used electric boiler.

An electric boiler using a heat pipe heat exchanger according to the present invention as a means for solving the above problems, the heat exchange chamber disposed in the middle and formed of a heat pipe; An upper lower chamber and an upper upper chamber which are successively installed at an upper end of the heat exchange chamber; A lower upper chamber and a lower lower chamber which are successively installed at a lower end of the heat exchange chamber; The main heat source in communication with the lower chamber lower through the upper chamber, the upper chamber, the lower chamber, the heat exchange chamber, the lower chamber and the upper chamber from the water inlet provided in the upper chamber, the main heat source is installed therein Supply pipe; At least one sub-heat source supply pipe passing through the lower-side upper chamber, the heat-exchange chamber, and the upper-side lower chamber in order from the lower-side lower chamber to communicate with the upper-side upper chamber, wherein a sub-heat source is installed therein; At least one first heat exchange pipe configured to pass through the upper lower chamber and the heat exchange chamber from the upper upper chamber to form a passage communicating with the lower upper chamber; At least one second heat exchange pipe configured to penetrate the heat exchange chamber from the lower upper chamber to form a passage communicating with the upper lower chamber; It is installed in communication with the upper lower chamber and the outlet for supplying heat-exchanged hot water to the outside; and is installed in the lower portion of the lower lower chamber consists of an electric chamber to which the main heat source and the sub-heat source is fixed.
The main heat source installed in the main heat source supply pipe and the sub heat source installed in the sub heat source supply pipe may be an electric heater or an electrode.
The electrode is characterized in that the rod type or conical type is used alone or mixed.
The upper side upper chamber is characterized in that the low water level sensor is installed.
The upper lower chamber is characterized in that the temperature sensor is installed.

delete

delete

delete

The electrode is characterized in that made to control the current supplied by using a current control method.
The heat exchange chamber formed by the heat pipe is formed by injecting a working fluid made of an inert gas having a low boiling point and a large latent heat of evaporation into a vacuum metal chamber, when the working fluid easily changes from liquid to vapor under low pressure conditions. It is characterized by consisting of heat transfer to the latent heat.

The present invention described above enables efficient improvement of heating efficiency and effective energy use through an efficient combination of an integrated high efficiency heat exchanger structure in which heat pipes are combined with a heating heat source (electric heater or electrode).

In particular, in combination with a heat exchanger structure that makes the best use of the high thermal conductivity of heat pipes, when the electrode as a heat source is used alone or in combination, the impedance value that varies with the temperature of the supply water is used to determine the effective relative cross-sectional area between the external electrode and the internal electrode. By adjusting the current value of the feed water by the change, a larger current can be supplied, and the synergy effect combined with the heat conduction performance of the heat pipe improves the heating efficiency and makes efficient energy use possible. Through such improvement of heating efficiency and efficient use of energy, it is possible to maximize economical efficiency and reliability by applying to all fields requiring hot water and heating.

1 is an assembly appearance of the present invention,
2 is a cross-sectional view taken along the line AA of FIG.
3 is a sectional view taken along line BB of Fig. 1,
Figure 4 is a perspective view of the internal configuration removed the outer cylinder of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1 is an assembly appearance view of the present invention, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, FIG. 3 is a cross-sectional view taken along line BB of FIG. 1, and FIG.

The heat pipe heat exchanger 10 according to the present invention is partitioned by a heat exchange chamber upper plate 21 and a heat exchange chamber lower plate 22 in an outer cylinder 11 forming an outer shape, and has a predetermined sealed space 20. ), An upper side lower chamber 30 having a predetermined space defined by an upper side lower chamber partition plate 25 at an upper end of the heat exchange chamber 20, and an upper end side at an upper end of the upper lower chamber 30. An upper chamber 40 partitioned by the upper chamber partition plate 35 having a predetermined space, and partitioned by a lower chamber upper chamber partition plate 55 at a lower end of the heat exchange chamber 20 to have a predetermined space. A lower lower chamber 60 partitioned by a lower lower chamber partition plate 65 at a lower end of the lower upper chamber 50, the lower upper chamber 50, and having a predetermined space, and the lower lower chamber; At the lower end of the 60, the electric chamber 70 is installed to have a predetermined space. Is done.

One inlet of the upper chamber 40 is provided with an inlet 80. The inlet 80 communicates with the lower lower chamber 60 by sequentially passing through the upper upper chamber 40, the upper lower chamber 30, the heat exchange chamber 20, and the lower upper chamber 50. The main heat source supply pipe 110 is connected, and the main heat source 112 is installed inside the main heat source supply pipe 110.
In addition, the sub-heat source supply is communicated to the upper upper chamber 40 by sequentially passing through the lower upper chamber 50, the heat exchange chamber 20 and the upper lower chamber 30 in the lower lower chamber (60). The pipe 120 is installed, and the sub-heat source 122 is installed inside the sub-heat supply pipe 120.

In addition, the first heat exchange pipe 130 forming a flow passage communicating with the lower upper chamber 50 through the upper lower chamber 30 and the heat exchange chamber 20 in the upper upper chamber 40. And a second heat exchange pipe 140 for passing through the heat exchange chamber 20 in the lower upper chamber 50 to form a flow passage communicating with the upper lower chamber 30. .
The upper side lower chamber 30 is provided so that the water outlet 90 is communicated to the outside of the outer cylinder 10 to supply the heat-exchanged hot water to the outside.

On the other hand, the lower portion of the lower chamber 60 is provided with an electric chamber 70 in which the main heat source 112 and the sub-heat source 122 is fixed.
The main heat source 112 and the sub-heat source 122 is composed of an electric heater or an electrode. In particular, the main heat source 112 and the sub-heat source 122 may be made of a different capacity and structure, it is installed along the longitudinal direction in the main heat source supply pipe 110 and the sub-heat source supply pipe 120 The rod type or the cone type can be used alone or in combination to allow for the diversification of the capacity without changing the overall structure or size.
In the conical type, the dual structure of the internal electrode and the external electrode allows a larger current to be supplied by controlling the current value according to the change of the effective relative cross-sectional area between the electrodes, and enables efficient current control according to the temperature change of the supply water. In addition, the synergy effect combined with the high thermal conductivity (about 1300 times of copper) of the heat exchange chamber 20 constituted by the heat pipe is generated to have a high efficiency heat exchange structure. Accordingly, if applied to any field that requires hot water and heating will be able to maximize the economics and reliability.

In addition, the main heat source supply pipe 110 and the sub-heat source supply pipe 120 is preferably installed so that the heat exchange can be made quickly and evenly.
The heat generated from the main heat source 112 and the sub-heat source 122 is heat-exchanged with the supply water that is received and moved to the inlet 80 to heat the hot water of high temperature.
The heat exchange chamber 20 composed of a heat pipe is formed by injecting a working fluid such as an inert gas having a low boiling point and a large latent heat of evaporation into a metal tube in a vacuum state, so that the working fluid easily changes from liquid to vapor under low pressure conditions. By transferring heat as latent heat at the time of phase change, the use of heat and efficiency can be maximized.
The heat exchange chamber 20 composed of such heat pipes has an operating temperature in the range of 0 ° C to 200 ° C, and is effective for general air conditioning and heating, cooling of electronic devices, waste heat recovery in the medium temperature range, and heat collection for solar heat. It can be used as an element, which has the advantage of delivering up to thousands of times the thermal conductivity of copper without a separate power source.
On the other hand, in addition to the water inlet 80, the low water level sensor 150 is installed in the upper chamber 40, the upper side lower chamber 30 is provided with a temperature sensor 160 in addition to the outlet 90.

Thus, the heat pipe heat exchanger 10 according to the present invention having the structure as described above is moved to the lower lower chamber 60 through the main water supply pipe 110, the supply water flowing into the inlet 80, The supply water introduced into the lower lower chamber 60 is moved to the upper upper chamber 40 through the sub-heat source supply pipe 120, and the supply water introduced into the upper upper chamber 40 is the first heat exchanger. After being moved to the lower upper chamber 50 through the pipe 130, the feed water introduced into the lower upper chamber 50 is moved to the upper lower chamber 30 through the second heat exchange pipe 140. It is made to be supplied to the outside through the outlet 90.
Next, look at the operation and action of the present invention configured as described above.

The supply water supplied through the inlet 80 reaches the lower chamber 60 at the lower side through the main heat source supply pipe 110, and is heated by the main heat source 112 made of an electric heater or an electrode. . The supply water arriving at the lower lower chamber 60 is moved back to the upper upper chamber 40 through another pipe 120 for supplying the secondary heat source. In this case, the secondary heat source 122 made of another electric heater or electrode is also provided. ), The secondary heating takes place in the feed water.
The supply water reaching the upper chamber 40 is sent to the lower chamber 50 by the first heat exchange pipe 130 again, in this case by the heat pipe function of the heat exchange chamber 20. Differential heating takes place.

In addition, the supply water reaching the lower upper chamber 50 is moved to the upper lower chamber 30 by another second heat exchange pipe 140, and at this time, the heat pipe function of the heat exchange chamber 20 Fourth heating takes place.

In addition, the supply water reaching the upper lower chamber 30 is discharged through the outlet 90, and the total heat exchange and heating are performed four times in all the processes, thereby maximizing the use of heat and maximizing thermal efficiency. .

10-heat pipe heat exchanger, 11-shell,
20-heat exchange chamber, 21-heat exchange chamber top,
22-chamber lower plate for heat exchange, 25-lower chamber partition plate on upper side,
30-upper side lower chamber, 35-upper side upper chamber partition plate,
40-upper upper chamber, 50-lower upper chamber,
55-lower side upper chamber partition plate, 60-lower side lower chamber,
65-lower chamber partition plate, 70-electrical chamber,
80-Inlet, 90-Outlet,
110-main heat supply pipe, 112-main heat source,
120-pipe for subheat source, 122-subheat source,
130-pipe for first heat exchange, 140-pipe for second heat exchange.

Claims (7)

A heat exchange chamber disposed in the middle and formed of a heat pipe; An upper lower chamber and an upper upper chamber which are successively installed at an upper end of the heat exchange chamber; A lower upper chamber and a lower lower chamber which are successively installed at a lower end of the heat exchange chamber; The main heat source in communication with the lower chamber lower through the upper chamber, the upper chamber, the lower chamber, the heat exchange chamber, the lower chamber and the upper chamber from the water inlet provided in the upper chamber, the main heat source is installed therein Supply pipe; At least one sub-heat source supply pipe passing through the lower-side upper chamber, the heat-exchange chamber, and the upper-side lower chamber in order from the lower-side lower chamber to communicate with the upper-side upper chamber, wherein a sub-heat source is installed therein; At least one first heat exchange pipe configured to pass through the upper lower chamber and the heat exchange chamber from the upper upper chamber to form a passage communicating with the lower upper chamber; At least one second heat exchange pipe configured to penetrate the heat exchange chamber from the lower upper chamber to form a passage communicating with the upper lower chamber; An outlet for supplying heat-exchanged hot water to the outside and installed in communication with the upper lower chamber; and an electric chamber installed at the lower portion of the lower lower chamber to fix the main heat source and the sub heat source. Electric boiler. The method of claim 1, wherein the heat exchange chamber formed by the heat pipe is made by injecting a working fluid made of an inert gas having a low boiling point and a large latent heat of evaporation into the metal chamber in a vacuum state, so that the working fluid is easily removed from the liquid under low pressure conditions. An electric boiler using a heat pipe heat exchanger, characterized in that the heat transfer to the latent heat when the phase change to steam. The electric boiler using a heat pipe heat exchanger according to claim 2, wherein the main heat source provided in the main heat source supply pipe and the sub heat source provided in the sub heat source supply pipe are an electric heater or an electrode. 4. The electric boiler according to claim 3, wherein the electrodes are used alone or in combination of rod type or conical type. 5. The electric boiler according to claim 4, wherein the electrode is configured to control a current supplied using a current control method. The electric boiler using a heat pipe heat exchanger according to claim 2, wherein the upper chamber is provided with a low water level sensor. 3. The electric boiler according to claim 2, wherein a temperature sensor is installed in the upper lower chamber.

Images