KR200325395Y1 - Boiler - Google Patents

Abstract

The present invention relates to a boiler, and in particular, it is possible to exchange heat by burning fuels such as briquettes, lignite and wood, which are inexpensive, and to separate the heat of combustion generated by the combustion of the fuel into 1, 2, 3 stages. Therefore, the heat exchange is performed at each stage to maximize the boiler's thermal efficiency with less fuel and to reduce the cost of boiler operation and management.

Therefore, the present invention is heat-insulated inside the body, the water supply pipe, drain pipe and heating water supply pipe, the heating water return pipe is formed, and the water tank filled with a certain level of water therein, and formed to maintain the airtight inside the tank In a combustion chamber equipped with rostol composed of water pipes to burn lignite, wood, etc., in a heating chamber in which a spiral tube is formed therein, in a secondary heat exchanger, and in a communication to discharge heated waste gas and smoke. It is intended to provide a boiler comprising a heat exchanger configured to heat-exchange differently, and a hot water supply unit formed to receive a separate hot water by installing a horizontal spiral tube in a water tank to receive the separate hot water.

Description

Boiler {Boiler}

The present invention relates to a boiler, and in particular, it is possible to exchange heat by burning fuels such as briquettes, lignite and wood, which are inexpensive, and to separate the heat of combustion generated by the combustion of the fuel into 1, 2, 3 stages. Therefore, the heat exchange is performed at each stage to maximize the boiler's thermal efficiency with less fuel and to reduce the cost of boiler operation and management.

In general, the boiler is to heat the water using a heat source such as oil or gas, so as to obtain the heating water required for heating the room, or hot water used in the bathroom, industrial or the like.

Therefore, such a boiler was heated to its constant temperature by heating the water directly, forcibly circulated to the room or each necessary place using a circulation pump or used to store hot water in a separate hot water tank.

Therefore, when the water temperature falls below a certain temperature, the burner is ignited and the water is heated. When the water is above a certain temperature, the circulating pump is operated to heat the fuel. There was a lot of losses, and all of the heat to be heated by direct heating does not heat exchange with hot water, and there is a problem that the heat efficiency is lowered due to a large amount of heat lost to the outside.

In addition, since most of the boilers use oil such as petroleum, the structure of the boiler is supplied by the manufacturer according to the fuel used. Therefore, in Korea, where oil must be relied on imports, heating costs or boilers are raised due to oil price increases due to exchange rates. There was a problem that the economic burden on maintenance costs is further increased.

Therefore, to solve this problem, many low-cost lignite and wood-fired boilers have been filed. However, such boilers are composed of a combustion chamber equipped with rostol to burn lignite and wood in an insulated tank. Most of the heat generated is lost, heat exchange is not made and the heat lost is also a negligible rate, so there was a problem that the thermal efficiency is much lower.

In addition, the thermal efficiency is reduced, even if the cheap lignite and wood, there was a problem that a lot of waste in the heating cost.

The present invention has been made to solve the above problems and improves the boiler structure by using wood, such as lignite or wood, which is inexpensive for heating or hot water supply as the main fuel, and improves the structure to maximize thermal efficiency. It is intended to provide.

In addition, it is to provide a boiler that can be expected to reduce the fuel cost by increasing the heat efficiency per unit fuel by capturing the heat lost to the outside of the boiler.

Therefore, the present invention is heat-insulated inside the body, the water supply pipe, drain pipe and heating water supply pipe, the heating water return pipe is formed, and the water tank filled with a certain level of water therein, and formed to maintain the airtight inside the tank In a combustion chamber equipped with rostol composed of water pipes to burn lignite, wood, etc., in a heating chamber in which a spiral tube is formed therein, in a secondary heat exchanger, and in a communication to discharge heated waste gas and smoke. It is intended to provide a boiler comprising a heat exchanger configured to heat-exchange differently, and a hot water supply unit formed to receive a separate hot water by installing a horizontal spiral tube in a water tank to receive the separate hot water.

1 is a perspective view of a boiler showing a preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of the boiler showing a preferred embodiment of the present invention.

3 is a perspective view showing a rostol provided in the heat exchange unit of the present invention,

4 is a cross-sectional view taken along line “A-A” of the stole of FIG. 3;

FIG. 5 is a cross sectional view taken along line “B-B” of the rostol of FIG. 3; FIG.

Figure 6 is a plan view of a horizontal spiral tube for using separate hot water of the present invention.

7 is a cross-sectional view showing another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: water tank 110: water supply pipe 120: drain pipe

130: heating water supply pipe 140: heating water return pipe 150: thermometer

160: safety valve 170: overflow pipe 180: auxiliary water tank

200: heat exchanger 210: combustion chamber 215: rostol

215a, 215b: collecting pipe 215c: preheating pipe 215d: inclined plate

220: heating chamber 221: spiral tube 230: communication

240: upper door 241: see-through window 250: lower door

251: Burner

300: hot water supply unit 310: horizontal spiral tube

10: main body 11: insulation

Hereinafter, with reference to the accompanying drawings in detail the operation and configuration, Figure 1 is a perspective view of a boiler showing a preferred embodiment of the present invention, Figure 2 is a cross-sectional view of the boiler showing a preferred embodiment of the present invention, Figure 3 4 is a perspective view illustrating a rostol provided in the heat exchanger of the present invention, and FIGS. 4 and 5 are cross-sectional views cut along “AA” and “BB” of the rostol of FIG. 3, and FIG. 6 is a horizontal view used in the present invention. Top view of the spiral tube.

The present invention is installed to maintain the airtight in the heat treatment tank 100 and the inside of the water tank 100, the heat exchange unit in which the three-stage heat exchange is performed in the order of the combustion chamber 210, the heating chamber 220, the communication 230 ( 200 and the hot water supply unit 300 to receive a separate hot water in the tank.

The water tank 100 is provided with a water supply pipe 110 to supply tap water or water supply to maintain the water tank 100 at a constant level of water required for heating at all times, the heating water supply pipe 130 is provided on the tank top In the lower part of the tank, a heating water return pipe 140 is formed so that the water after heating is introduced, and the heating water supplied from the heating water supply pipe 110 is sent to a heating system and hot water not shown, respectively, after the heating. Cooled water is introduced into the heating water return pipe 140 to achieve a continuous heating state.

At this time, the heating water sent to each of them is forced to be purified to each place by using a circulation pump (not shown) to increase the heating efficiency.

The water tank 100 is installed in the body 10, but filling the heat insulating material 11 between the body 10 and the water tank 100 to reduce the loss of heat as much as possible.

In addition, by installing a thermometer 150 to check the temperature in the front of the tank and the upper side of the safety valve 160 and the overflow pipe 170 by combining a spiral-shaped pipe to install a risk factor due to overheating The state also constitutes a safety system.

Accordingly, when overheated, the water overflows or the pressure is released through the safety valve 160, thereby providing a safe boiler.

The heat exchange part 200 forms a rostol 115 at a lower portion so as to burn fuel such as lignite or wood, so that the fuel is combusted and the first heat exchange is performed in the combustion chamber 210 and the combustion chamber 210. A heating chamber 220 in which a spiral tube 221 is formed around a central axis so that secondary heat exchange is performed while the generated thermal power and heat are directed upward, and the heating chamber 220 circulates the water in the water tank 110; It is composed of a communication 230 to send the remaining heat to the high-temperature waste gas and smoke generated in the chamber 220 and the third heat exchange at the same time.

The combustion chamber 210 of the heat exchanger 200 is configured to hinge the doors 240 and 250 so as to open and close the combustion chamber in which lignite and wood are burned in the lower part of the main body, and is divided into upper and lower portions, and the upper door 240 is a see-through window 241. ) To examine the interior of the ignition state, and the lower door 250 is provided with a blower combine burner 251 to be used as a burner 251 using an initial ignition or oil as a heat source.

Therefore, the upper door 240 injects fuel as a heat source such as lignite and wood, but injects the upper portion of the rostol 215 to be inserted into the upper portion of the rostol 215 in the combustion chamber 210, thereby igniting and extinguishing the fire. The lower door 250 is a blower combined burner 251 is installed on the front to ignite the lignite or wood on the top of the rostol 215 so that it can be initially ignited with oil or gas. In order to make the lignite and wood burn well, it is preferable to simultaneously perform a blower function so as to blow into the combustion chamber 210 from the outside.

The rostol 215 provided in the combustion chamber 210 of the heat exchanging unit 200 has rectangular collecting pipes 215a and 215b disposed side by side on both sides, and a plurality of circular preheating tubes 215c are arranged therebetween. In order to communicate with each other, the water introduced to one side is to be discharged to the other side.

That is, the water flowing forward is collected in the front collecting pipe 215a and sent to each preheating pipe 215c, and the water sent to each preheating pipe 215c is heat-exchanged to the rear collecting pipe 215b. Collected water is discharged to the water tank 100, or flowed in from the rear and collected to the rear collecting pipe 215b and sent to each preheating pipe 215c, and the water sent to the preheating pipe 215c is heat exchanged before the front collecting pipe Collected to 215b is to be discharged to the tank (100).

The rostol 215 is preferably a rectangular tube or a circular tube, but is not limited thereto, and may be configured as a hexagonal tube, a pentagonal tube, a triangular tube, or the like.

In addition, to form a through hole of the upper and lower light to allow the air of the rostol 215 is smoothly ventilated to form a "V" shaped angle or inclined plate 215d in the outer periphery to increase the thermal power therein do.

Here, the reason why the outer circumference is the "V" shape is that the air flowing into the lower portion of the rostol is gathered along the inclined surface of the "V" shape inclined plate 215d, so that the flow rate is increased, the amount of oxygen is increased, and the ignition is possible with less thermal power. And, ignited lignite and wood, etc., because the flow of air is concentrated to achieve a smooth combustion.

At this time, the amount of ventilation can be adjusted to the degree of opening and closing the lower door 250 for a small amount of ventilation, that is, natural blowing.

In addition, the burner 251 installed in the lower door 250 of the combustion chamber 210 is used for the initial ignition of the fuel, but not limited thereto, and problems such as economical efficiency or, if necessary, gas boiler oil using oil or gas. It can be configured to be used as a boiler.

The rostol 215 is used to apply primary preheating of the heat exchanger, but is not limited thereto, and can be used as a separate water heater by piping a pipe that can enter and exit.

The heating chamber 220 of the heat exchange part 200 is a place where secondary heat exchange is performed, unlike a primary, a spiral tube is formed so as to communicate with a water tank by forming a plurality of layers of spiral tubes 221 inside a pipe formed up and down. The water in the tank introduced from the lower portion 221 is heated to be discharged to the upper portion of the tank 100.

Thus, the heated water flowing into the lower portion of the spiral tube 221 in the water tank 100 is directed upward by convection, and the heated hot water directed upward is sent to the upper portion of the water tank 100.

The communication 230 of the heat exchanger 200 allows the waste gas and the smoke of the high heat heated in the combustion chamber 210 and the heating chamber 220 to be discharged, so that the waste gas and the smoke of the high heat is directed upward. At the same time, the communication 230 is placed in the tank so that the third heat exchange is performed.

In this case, the waste gas and the smoke after the third heat exchange are preferably discharged in a natural state, but a separate forced exhaust fan may be provided to force the exhaust gas.

Therefore, it is preferable to form the communication having a long length, and to form a diaphragm in the communication in a zigzag manner to delay rising waste gas and smoke.

In addition, the communication is not limited to being directed upward, and it is also a good way to form the communication in the left, right, or rearward direction by extending the communication to the left, right, or rear in the tank.

Therefore, the communication may be discharged after rotating one round in the form of a spiral tube in the water tank, thereby forming communication in the left, right, or rear, thereby improving the efficiency of heat exchange.

The inside of the water tank 100 is provided with a horizontal spiral tube 310 in the upper portion of the inside of the water tank to supply a separate hot water, such as drinkable hot water, so that the communication 230 is located in the center of the high heat discharged through the communication It is provided with a hot water supply unit 300 to heat exchange while passing through the waste gas and smoke.

The horizontal spiral tube 310 may be formed of a square tube or a circular tube and a pentagonal tube, and the like, and the present invention is not limited thereto. The horizontal spiral tube 310 may be used without regard to the cross-sectional shape of the tube, and the horizontal spiral tube 310 may be used as a combustion chamber. (210) It may be formed to a certain height to catch the heat lost to the lower portion of the combustion chamber (210).

7 is another embodiment of the boiler according to the present invention is provided with a separate auxiliary water tank 180 in the lower portion of the water tank 100, that is, the combustion chamber 210 to use a separate hot water or drinking water. .

This has the peculiar effect of catching the heat directed to the lower portion of the rostol 215 provided in the combustion chamber 210 to heat the separate auxiliary tank 180 to catch even the heat generated in the combustion chamber 210.

As described in detail above, primary heat exchange is performed in the combustion chamber of the heat exchanger to form preformed rostol for preheating, heat exchange is performed in the secondary heating chamber and the spiral tube, and finally, through the third communication. By constructing communication so that the heat exchange is carried out, heat efficiency can be maximized by the same unit of fuel and heat exchange is carried out in three stages, and the heat efficiency can be maximized by capturing heat to the lower part of the combustion chamber to maximize heat efficiency. There is.

In addition, by installing a horizontal spiral tube in the upper or lower portion of the tank so that hot water or drinking water can be used separately, it is possible to use hot water or drinking water without installing a separate water heater.

Finally, by using cheap lignite or wood, by reducing the use of oil and gas such as petroleum, which depend on imports, it is possible to reduce boiler operating costs and contribute to industrial development.

Claims (5)

Insulating the inside of the body, the water supply pipe 110, the drain pipe 120 and the heating water supply pipe 130, the heating water return pipe 140 is formed, the water tank 100 is filled with a predetermined level of water therein, It is formed to maintain the airtight inside the water tank 100, the primary heat exchange in the combustion chamber 210 having a rostol 215 consisting of a water pipe to burn lignite and wood, etc., spiral tube 221 therein Second heat exchange in the heating chamber 210 is formed, the heat exchange unit 200 and the heat exchanger 200 configured to perform the third heat exchange in the communication 230 to discharge the heated waste gas and smoke, and the separate hot water can be supplied Boiler, characterized in that consisting of a hot water supply unit 300 is formed so as to receive a separate hot water by installing a horizontal spiral tube 310 in the tank. The method of claim 1 The rostol 215 provided in the combustion chamber 110 of the heat exchanger 200 has a plurality of preheating tubes 215c arranged between the collecting pipes 215a and 215b on both sides thereof so that water flows. A boiler characterized in that to form a "V" type angle or inclined plate (215d) on the outer periphery of the tube to form a through hole of the upper and lower light is formed between the tube (215c) to enhance the thermal power inside the combustion chamber. The method of claim 1, The combustion chamber 210 of the heat exchange unit is hinged to form a door to open and close, the upper door 240 forms a see-through window 241 to look inside, the lower door 250 is a blower combined burner 251 The boiler is characterized in that it is divided into upper and lower parts so that it can be used as a burner using an initial ignition or oil as a heat source. The method of claim 1, The hot water supply unit 300 is characterized in that for forming a horizontal spiral tube 310 in the upper portion of the water tank 100 to use a separate hot water, such as drinking hot water. The method of claim 1, Communicating 230 is formed at the end of the heat exchanger is characterized in that the boiler extends in the direction to choose from the rear, left, right sides to configure the communication.