KR100340449B1 - A boiler for heating system heated by solar energy - Google Patents

Abstract

The present invention relates to a boiler for a solar heating system, the object of which is heating, regenerative, regenerative heating, and boiler heating by heat exchange once, maximizing the thermal efficiency and simplifying the system, thereby lowering the installation and maintenance costs and reducing the installation space. It is to provide a boiler for solar heating system that can be narrowed to improve the space utilization, the configuration is a heat collecting plate line for collecting solar heat, a heat storage tank line for heat storage of heat collected by heat exchange with the heat collecting plate line, and a heat storage tank and In a solar heating system comprising a heating line for heating by heat exchange and a boiler installed on the heating line for heating the heating line when the temperature of the heat storage tank is less than a predetermined temperature, the boiler is hollow inside A main body having a; A heat exchange tank usually formed in an inner middle portion of the main body; A firebox formed below the heat exchange tank; A burner mounted at a predetermined position of the firebox to heat a heat exchange tank when necessary ; An exhaust port formed in an upper surface portion of the main body; A plurality of exhaust pipes each having a plurality of heat exchange fins integrally formed on an inner surface of the combustion chamber and exhausted from the upper surface of the heat exchange tank to a lower surface thereof so as to discharge the exhaust gas of the firebox to the exhaust port; A plurality of connectors connected at both ends to be connected to a predetermined position of the heat exchange tank and connected to a heat collecting plate line for circulating a heat medium between the heat collecting plate and the heat exchange tank; A first heat exchange pipe having a spiral shape having a predetermined diameter and embedded inside the heat exchange tank and having both ends connected in communication with the heating line; It characterized in that it comprises a second heat exchange pipe having a spiral of a predetermined diameter and embedded inside the heat exchange tank and both ends connected in communication with the heat storage tank line.

Description

A boiler for heating system heated by solar energy}

The present invention relates to a boiler for a solar heating system, and more particularly, by heating, regenerative, regenerative heating, and boiler heating in one heat exchange, maximizing thermal efficiency and simplifying the system, thereby lowering installation costs and narrowing the installation space. The present invention relates to a solar heating system boiler having a structure capable of improving space utilization.

In general, a solar heating system is roughly composed of a heat collecting plate, a heat collecting plate line, a heat storage tank, a heat storage tank line, a heating line, and a boiler.

The heat collecting plate is used to collect solar heat and is installed at an angle of 45 ° on the upper surface of the building to effectively collect the heat of the heat. It is installed to regenerate the heat, and the hot water line is connected to supply the stored hot water.

The heating line is installed to exchange heat with the heat storage tank to heat the floor, etc. in the building, and the boiler is installed on the heating line to operate when the temperature of the water stored in the heat storage tank is lower than a predetermined temperature to heat the water in the heating line and the heat storage tank. It is installed to

The conventional solar heating system having such a configuration is heat exchanged between the heat collecting plate line and the heat storage tank, and the heating line and the heat storage tank, so that the heat loss rate is high and a separate boiler must be installed on the heating line. In addition, the use of a plurality of heat exchangers for heat exchange not only requires a large installation space, but also has a problem of high installation and maintenance costs.

The present invention has been made in view of the above-described conventional problems, the object of which is to maximize the thermal efficiency by simultaneously heating, heat storage, heat storage heating, boiler heating by heat exchange, while simplifying the system installation and maintenance costs It is to provide a boiler for solar heating system that can lower space and narrow the installation space to improve space utilization.

An object of the present invention is a heat collecting plate line for collecting solar heat, a heat storage tank line for accumulating heat collected by heat exchange with the heat collecting plate line in a heat storage tank, a heating line for heat-exchanging heat with the heat storage tank, and on the heating line A solar heating system comprising a boiler for heating and heating a heating line when the temperature of the heat storage tank is lower than a predetermined temperature, the boiler comprising: a body having a hollow inside; A heat exchange tank usually formed in an inner middle portion of the main body; A firebox formed below the heat exchange tank; A burner mounted at a predetermined position of the firebox to heat a heat exchange tank when necessary ; An exhaust port formed in an upper surface portion of the main body; A plurality of exhaust pipes each having a plurality of heat exchange fins integrally formed on an inner surface of the combustion chamber and exhausted from the upper surface of the heat exchange tank to a lower surface thereof so as to discharge the exhaust gas of the firebox to the exhaust port; A plurality of connectors connected at both ends to be connected to a predetermined position of the heat exchange tank and connected to a heat collecting plate line for circulating a heat medium between the heat collecting plate and the heat exchange tank; A first heat exchange pipe having a spiral shape having a predetermined diameter and embedded inside the heat exchange tank and having both ends connected in communication with the heating line; It can be achieved by a solar heating system boiler, characterized in that it comprises a second heat exchange pipe having a spiral of a predetermined diameter and embedded inside the heat exchange tank and connected at both ends thereof in communication with the heat storage tank line.

1 is a schematic diagram schematically illustrating a configuration of a solar heating system to which a boiler according to the present invention is applied.

Figure 2 is a longitudinal sectional view showing the structure of a boiler for solar heating system according to the present invention.

Figure 3 is a cross-sectional view showing a horizontal cross-sectional view of the boiler for solar heating system according to the present invention.

Figure 4 is an exploded perspective view showing the structure of the boiler for solar heating system according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

10: boiler 11: main body

12: heat exchange tank 13: firebox

14: burner 15: exhaust vent

16: exhaust pipe 17: heat exchange fin

18: connector 19: first heat exchange pipe

20: second heat exchange pipe 21: heating line

22, 22 ': Heat storage tank line 23, 23': Heat collector plate line

24: heat collecting plate 25: heat storage tank

26: hot water line 27, 29: water supply line

28, 30: on-off valve

Hereinafter, a boiler for a solar heating system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a schematic diagram schematically illustrating the configuration of a solar heating system applying a boiler according to the present invention, Figure 2 is a longitudinal sectional view showing the structure of a boiler for a solar heating system according to the present invention, Figure 3 is a present invention Figure 4 is a cross-sectional view showing a horizontal cross-sectional view of the boiler for solar heating system according to the present invention, Figure 4 is an exploded perspective view showing the structure of the boiler for solar heating system according to the present invention.

1 to 4, the boiler 10 for solar heating system according to the present invention includes a main body 11, a heat exchange tank 12, a fire chamber 13, a burner 14, and an exhaust port 15. ), A plurality of exhaust pipes 16, a plurality of connectors 18, and first and second heat exchange pipes 19, 20.

The main body 11 is a box shape having a predetermined size having a hollow therein, and the components are built in and fixedly installed at an installation position.

The heat exchange tank 12 is usually formed in the inner middle portion of the main body 11, and includes the plurality of exhaust pipes 16 and the plurality of connecting holes 18, and a heat medium is filled therein.

The plurality of exhaust pipes 16 are tubes having a predetermined diameter and length, and integrally have a plurality of heat exchange fins 17 protruding zigzag along the longitudinal direction on the inner surface from the upper surface to the lower surface of the heat exchange tank 12. Through assembly is vertically communicated with the fire chamber 13 and the exhaust port (15).

The fire chamber 13 is formed below the heat exchange tank 12, and a burner 14 for heating the heat exchange tank 12 is installed at a predetermined position.

The exhaust port 15 is formed at a predetermined position on the upper surface portion of the main body 11 and connected to a communication device to discharge the exhaust gas that rises from the fire chamber 13 through the exhaust pipe 16 to the outside.

The first heat exchange pipe 19 is a pipe bent in a spiral shape having a predetermined diameter and is embedded inside the heat exchange tank 12 for heat exchange, and both ends thereof communicate with the heating line 21 or the heat storage tank line 22. Connected.

The second heat exchange pipe 20 is a pipe bent in a spiral shape having a predetermined diameter and is embedded inside the heat exchange tank 12 for heat exchange, and both ends thereof communicate with the heat storage tank line 22 or the heating line 21. Is connected.

The first and second heat exchange pipes 19 and 20 are embedded inside the heat exchange tank 12. In the accompanying drawings, the first heat exchange pipe 19 has a spiral shape having a smaller diameter than the second heat exchange pipe 20. Although formed to be bent and positioned inside the second heat exchange pipe 20, the diameters and positions of the first heat exchange pipe 19 and the second heat exchange pipe 20 may be interchanged with each other.

The heat collecting plate lines 23 and 23 ′ connect the heat collecting plate 24 and the heat exchanger tank 12 in communication with each other to circulate the heat medium heated by the heat collected by the heat collecting plate 24 into the heat exchanger tank 12. The heat medium cooled after heat exchange in 12 is circulated to the heat collecting plate 24.

The heat storage tank lines 22 and 22 ′ connect the heat storage tank 25 and the first or second heat exchange pipes 19 and 20 to communicate with each other, and the heated heat medium in the heat exchange tank 12 introduced from the heat collecting plate 24. Heat storage by raising the temperature of the water stored in the heat storage tank (25) by heat exchange.

The heating line 21 is connected to communicate with the first or second heat exchange pipes 19 and 20 to heat the interior of the building.

In addition, a circulation pump 21a for circulating the heating water along the heating line 21 is mounted at a predetermined position of the heating line 21, and the heat storage tank line 22 of the heat storage tank lines 22 and 22 ′ is provided. On the on-off valve 22a and a heating pump 22b for circulating the hot water stored in the upper portion of the heat storage tank 25 to the heat exchange tank 12 side is mounted, the heating pump 22b is a heat storage tank ( 12) Operates when water is heated as water inside.

On the heat storage tank line 22 ', the water heated by heat exchange in the on / off valve 22'a and the heat exchange tank 12 is circulated along the heat storage tank line 22' to the inner lower portion of the heat storage tank 25 to accumulate heat. A heat storage pump 22'b is mounted to the heat storage pump 22'b, where solar heat is collected by the heat collecting plate 24 during the daytime when the sun rises, and the heat medium is collected on the heat collecting plate lines 23 and 23 '. It is operated to circulate along the heat exchange or to accumulate heat in the heat storage tank 25 when the burner 14 is operated and heated.

On the heat collecting plate line 23 of the heat collecting plate lines 23 and 23 ′, a check valve 23a is mounted to prevent the heat medium from flowing back from the heat exchange tank 12 toward the heat collecting plate 24, and the heat collecting plate line 23 ′ is installed. Circulating pump 23'a for circulating the heat medium from the heat exchange tank 12 toward the heat collecting plate 24 is mounted.

In the accompanying drawings, reference numeral 26 denotes a hot water line for supplying hot water stored in the heat storage tank 25, 27 a water supply line for replenishing water consumed in the heat storage tank 25, and 28 a opening and closing of the water supply line 27. 29 is a water supply line for replenishing the water consumed into the heating line 21, 30 represents an on-off valve for opening and closing the water supply line.

In the solar heating system boiler 10 according to the present invention having the above configuration, the heating line 21, the heat storage tank line 22, and the heat collecting plate line 23 are simultaneously heat exchanged in the heat exchange tank 12. By reducing the heat loss generated by the heat exchange to significantly improve the thermal efficiency, the fire chamber 13 having the burner 14 in the lower side of the heat exchange tank 12 without installing a thermal boiler on the heating line 21 ), A plurality of heat exchange fins 17 on the inner side, and a plurality of exhaust pipes 16 vertically penetrated in the heat exchange tank 12 to operate the burner 14 when necessary to operate the heat exchange tank 12. Heating and heat storage at the same time to minimize the fuel consumption and lower the maintenance cost, and it is possible to install even in a small space because three lines of heat exchange and fuel heating are performed simultaneously in a single boiler. Which will be significantly lower.

According to the present invention described above, by heating, regenerative, regenerative heating, and boiler heating by heat exchange in one step, it maximizes thermal efficiency and simplifies the system, lowers installation and maintenance costs, and reduces installation space, thereby improving space utilization. Has the effect.

Claims (2)

(1st correction) A heat collecting plate line for collecting solar heat, a heat storage tank line for accumulating heat collected by heat exchange with the heat collecting plate line, and a heat storage tank for heat-exchanging heat with the heat storage tank, and a temperature of the heat storage tank installed on the heating line. A solar heating system comprising a boiler for heating and heating a heating line when the temperature is lower than a predetermined temperature, wherein the boiler (10) comprises a main body (11) having a hollow therein; A heat exchange tank (12) normally formed in the inner middle portion of the main body (11); A fire chamber 13 formed below the heat exchange tank 12; A burner 14 mounted at a predetermined position of the fire chamber 13 to heat the heat exchange tank 12 when necessary; An exhaust port 15 formed in an upper surface portion of the main body 11; In order to discharge the exhaust gas of the fire chamber 13 to the exhaust port 15 and to heat the heat exchange tank 12, a plurality of heat exchange fins 17 are integrally formed on an inner side surface of the upper surface of the heat exchange tank 12. A plurality of exhaust pipes 16 which are respectively assembled through the lower surface; A plurality of connectors 18 connected at both ends to be connected to a predetermined position of the heat exchange tank 12 and connected to the heat collecting plate lines 23 and 23 'for circulating the heat medium between the heat collecting plate 24 and the heat exchange tank 12. Wow; A first heat exchange pipe (19) having a spiral shape having a predetermined diameter and embedded in the heat exchange tank (12) and having both ends connected in communication with the heating line (21) ; Solar heat characterized in that it comprises a second heat exchange pipe (20) having a spiral of a predetermined diameter and embedded inside the heat exchange tank (12) and connected at both ends thereof in communication with the heat storage tank lines (22) and (22 '). Boiler for heating system. According to claim 1, The boiler 10 is a circulation pump 21a which is mounted at a predetermined position of the heating line 21 to circulate the heating water in the heating line 21, and the heat storage tank line 22 The heat exchange tank 12 receives the on-off valve 22a mounted at a predetermined position to open and close the flow path, and hot water stored in the upper portion of the heat storage tank 25 when heating is performed as water in the heat storage tank 12. A heating pump 22b mounted at a predetermined position of the heat storage tank line 22 for circulating to the side, an opening / closing valve 22'a mounted at a predetermined position of the heat storage tank line 22 'and opening / closing a flow path; A heat storage pump mounted at a predetermined position of the heat storage tank line 22 'to circulate and heat the water heated by heat exchange in the heat exchange tank 12 along the heat storage tank line 22' to the inner bottom of the heat storage tank 25 ( 22'b) and the heat medium reverses from the heat exchange tank 12 toward the heat collecting plate 24. The check valve 23a mounted at a predetermined position of the heat collecting plate line 23 and the heat collecting plate line 23 'to circulate from the heat exchange tank 12 to the heat collecting plate 24 in order to prevent flow. A boiler for a solar heating system, comprising a circulation pump (23'a) mounted at a location.