KR101584101B1 - Multi functional boiler that uses wood pellets - Google Patents

Abstract

An auxiliary water tank installed to supplement and supply water used in the heating process of the boiler is inserted into the main body housing of the boiler so as to provide a smooth appearance so that the water can be supplied smoothly in winter without freezing, The present invention relates to a multifunctional boiler using wood pellets in which a separate air conditioner and a duct are switched and connected in the summer so as to additionally provide a cooling function.
In order to solve the above problems, a multifunctional boiler using wood pellets according to the present invention comprises a combustor having a fuel supply port at an upper portion thereof and a plurality of air ejection holes at a lower portion thereof to eject air supplied by an air supply portion; A combustion chamber provided at a lower portion of the hot water tank so that a flame generated in the combustor is sprayed to perform hot water passing heat exchange; A hot water tank provided in an upper portion of the combustion chamber and provided with a plurality of internal connections in a vertical direction so as to perform heat exchange and being supplied to a heating pipe disposed at a floor and heating and circulating circulating hot water; An internal heat exchanger installed inside the hot water tank to perform heat exchange with water in the hot water tank; An auxiliary tank connected to the hot water tank by a replenishing water supply pipe so as to maintain a predetermined amount of water and having water level automatic regulating device therein; A drain port forming a U-shaped conduit for discharging exhaust gas discharged from the combustion chamber and having a cleaning port at a lower end thereof; A main body housing for containing the combustor, the combustion chamber, the hot water tank, the auxiliary tank, and the drain pipe therein.

Description

[0001] Description [0002] Multi-functional boiler using wood pellets [0003]

The present invention relates to a multifunctional boiler using wood pellets. More particularly, the present invention relates to a multifunctional boiler using wood pellets. More particularly, the present invention relates to a multifunctional boiler using wood pellets, , The supply of water to the boiler is prevented and the stable heating is achieved. In addition, in the case of the summer season, the multifunctional use of the wood pellet, in which a separate air conditioner and a duct are connected, It concerns the boiler.

Generally, a boiler is a device for obtaining heating water and hot water by heating water contained in a tank while a burner is operated in an ignited state by a control device such as an electronic ignition system. An oil or gas boiler is mainly adopted and installed And various safety devices are installed in such a boiler. Therefore, it is possible to maintain proper indoor temperature and to use hot water in order to secure the safety of the user, thereby promoting health and life convenience.

However, since the oil or gas boiler described above has a very high fuel cost such as oil or gas used as fuel and can be normally operated only when various electronic and electrical devices are provided, the boiler system can not be constructed with a very complicated structure Therefore, there is a problem that the manufacturing cost of the boiler is increased and the installation cost is increased.

Particularly, it is difficult to install or use the oil or gas boiler due to the problem that the supply and demand of the fuel is not sufficient in the rural or mountainous wallpapers and the economic problem due to the increase of the distribution cost, and the fossil fuel used for the oil or gas boiler It is necessary to take countermeasures against it because it acts as a cause of polluting the global atmospheric environment owing to the gas which is naturally evaporated in exhaust gas or oil storage tank generated in the combustion.

In order to solve these problems, pellet boilers using various pellet fuels including wood or other biomass have been developed and used for the household and small-scale factories of general farmhouses.

As a conventional technique for such a pellet boiler, a domestic registered utility model 20-0446195 (registered date: 2009.09.28.) Is disclosed.

FIG. 1 is a perspective view of a wood pellet hot water boiler according to the prior art, FIG. 2 is a sectional view showing the internal construction and operating state of the wood pellet hot water boiler 1, and the wood pellet hot water boiler 1 is made of wood pellets, Related hot water boiler in which the hot water is generated by heating the water inside the furnace by burning the fuel to generate hot water, and the hot water is used for heating, hot water supply or various treatment processes.

The hot water boiler includes a firebox 2 in which fuel such as wood pellets is injected and burned, a hot water storage room 29 in which water stored in the firebox 2 is heated by combustion heat generated in the firebox 2, And a replenishing water supply chamber (35) for replenishing a predetermined amount of water by the amount of hot water discharged through the hot water discharge pipe (33) in the hot water storage chamber (29).

However, the wood pellet hot water boiler according to the related art has a structure in which the replenishment water supply chamber 35 protrudes to the outside, so that the replenishing water stored in the replenishment water supply chamber during the winter season is frozen and its use can be restricted. In addition, since the conventional art is limited to use for heating and hot water supply, there is a problem that usage is restricted in the case of a summer season when it is not used as a boiler.

KR 20-0446195 Y1 2009.09.28.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art, and an object of the present invention is to provide an auxiliary tank for replenishing and supplying water to a hot water tank, And to provide a multifunctional boiler using wood pellets in which problems such as freezing in winter are solved to prevent malfunction due to freezing.

The object of the present invention is to circulate water in a heating pipe at a temperature lower than the room temperature during a summer season through a hot water tank or to heat water in a hot water tank with cooling water such as ground water having a low temperature, (Heat exchanger), so that cooling can be performed by using a wood pellet.

In order to solve the above problems, a multifunctional boiler using wood pellets according to the present invention includes a combustor having a fuel supply port at an upper portion thereof and a plurality of air ejection holes at a lower portion thereof for ejecting air supplied by an air supply portion; A combustion chamber provided at a lower portion of the hot water tank so that a flame generated in the combustor is sprayed to perform hot water passing heat exchange; A hot water tank provided in an upper portion of the combustion chamber and provided with a plurality of internal connections in a vertical direction so as to perform heat exchange and being supplied to a heating pipe disposed at a floor and heating and circulating circulating hot water; An internal heat exchanger installed inside the hot water tank to perform heat exchange with water in the hot water tank; An auxiliary tank connected to the hot water tank by a replenishing water supply pipe so as to maintain a predetermined amount of water and having water level automatic regulating device therein; A drain port forming a U-shaped conduit for discharging exhaust gas discharged from the combustion chamber and having a cleaning port at a lower end thereof; And an outer housing for accommodating the combustor, the combustion chamber, the hot water tank, the auxiliary tank, and the drain pipe therein.

Further, in the present invention, the internal heat exchanging means is installed in a coil shape around a plurality of internal links provided inside the hot water tank, and the hot water in the hot water tank and the water flowing in the coil are heat- ; A water supply pipe connected to one end of the coin pipe to supply water; And a water discharge pipe connected to the other end of the coin pipe to discharge water supplied through the water supply pipe.

In the present invention, the hot water tank is sealed by an upper plate, a lower plate, and a circumferential plate, and the upper and lower surfaces of the upper plate and the lower plate are mutually penetrated by a plurality of internal joints installed therein, A retention member for catching the upper plate and a delay member having a plurality of projections for increasing the heat efficiency by controlling the flow of combustion heat and preventing the dust generated during the combustion process of the fuel from being discharged to the outside are formed.

Also, in the present invention, the inlet pipe and the outlet pipe connected to the hot water tank may further include a three-way valve capable of switching connection to the heating pipe or the air conditioner.

Further, in the present invention, the automatic level control device for the auxiliary tank may include: an inflow pipe connected to an external water pipe; A discharge pipe portion for discharging water; An outer tangent tube connected to the inflow tube portion to allow water to pass therethrough and an inner tangent tube concentric with the outer tangent tube and connected to the discharge tube portion; A main valve installed at a lower portion of the double pipe line jaw and connected to the inflow pipe portion to open and close the pipe between the inflow pipe portion and the discharge pipe portion, A compression coil spring provided at a lower portion of the main valve; A partition wall supporting the compression coil spring and having a discharge hole at one side thereof; A lever operatively coupled to a lower side of the partition by a hinge and having an auxiliary valve corresponding to the discharge hole; A lever provided at a lower end of the lever; And a guide cover for guiding the lifting and lowering of the unit.

According to the present invention, since the auxiliary tank for replenishing the water in the hot water tank is inserted into the main body housing, the appearance is excellent, and the problem of restriction on the use of the boiler due to freezing of the replenishing water in the winter season is solved, .

According to the present invention, in winter, hot water in a heated hot water tank is circulated to a heating pipe to have a heating function. In summer, water in a heating pipe which is in a lower temperature than room temperature is circulated through a hot water tank, The cooling water can be circulated to the air conditioner through the internal heat exchanging means installed therein to have a cooling function without a separate cooling device, so that a single device can have a heating function and a cooling function to widen the range of applications.

1 is a perspective view of a conventional wood pellet hot water boiler,
2 is a sectional view showing the internal structure of a wood pellet hot water boiler according to the prior art;
3 is a perspective view showing the overall configuration of a multi-function boiler using wood pellets according to the present invention.
4 is a cross-sectional view showing the internal structure of a multi-function boiler using wood pellets according to the present invention.
5 is a partial cross-sectional perspective view showing the internal construction of a multi-function boiler using wood pellets according to the present invention.
FIG. 6 is a cross-sectional view illustrating a state where a delay member installed in an internal connection of a multi-function boiler using wood pellets according to the present invention is provided to increase heat exchange efficiency by delaying combustion heat.
7 is a schematic diagram of heating and cooling operations using a multi-function boiler using wood pellets according to the present invention.
FIG. 8 is a view showing an automatic level control device installed in a replenishing water auxiliary tank provided in a multi-function boiler using wood pellets according to the present invention. FIG.
9 is an operational state diagram of an automatic level control device installed in a supplementary water auxiliary tank provided in a multi-function boiler using wood pellets according to the present invention,
a) is a state in which water is supplied,
b) shows a state in which the supply of water is blocked;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a perspective view showing the overall configuration of a multi-function boiler using the wood pellet according to the present invention, FIG. 4 is a sectional view showing the internal structure of a multi-function boiler using the wood pellet according to the present invention, Fig. 2 is a partial cross-sectional perspective view showing the internal construction of a multi-function boiler using wood pellets according to the present invention.

The multifunctional boiler using the wood pellet according to the present invention includes a combustor 110, a combustion chamber 120, a hot water bottle 130, an internal pipe 140, a coin pipe 151, (160) and a drain pipe (170).

The combustor 110 has a fuel supply port 111 for supplying fuel pellets continuously to the upper portion of the boiler, And an air supply part 112 for supplying oxygen necessary for burning the pellets, which are the fuel, is provided in the lower part.

A plurality of air blowing holes 113 are formed in the upper end of the air supplying part 112 to supply oxygen required for combustion of the fuel. At this time, the air may naturally flow into the air supplying part 112. However, So that a large amount of wind can be blown.

A combustion chamber 120 is positioned at a rear side of the combustor 110. A flame generated in the combustor 110 is discharged and combusted in the combustion chamber 120, Heat exchanging is performed.

The combustion chamber 120 is provided in a lower portion of the hot water tank 130 in which water is contained and the heat is uniformly dispersed throughout the bottom surface of the hot water tank 130 to maximize heat efficiency .

The hot water tank 130 is provided to heat and supply hot water for heating. The hot water tank 130 heats and stores hot water circulating along a heating pipe 200 arranged in a living room or a room, The upper plate 131, the lower plate 132 and the circumferential plate 133.

A plurality of inner joints 140 are formed in a vertical direction between the top plate 131 and the bottom plate 132 of the hot water container 130. The plurality of inner joints 140 The upper surface of the upper plate 131 and the lower surface of the lower plate 132 are passed through each other so that the combustion gas containing the combustion air in the combustion chamber 120 is discharged through the internal connection, The water in the cylinder 130 is heated.

In the present invention, the inner member 140 is further provided with a delay member 180 to increase the thermal efficiency of the boiler. 6 is a cross-sectional view of a multi-function boiler using a wood pellet according to the present invention, in which a support member 180 is installed to increase heat exchange efficiency by delaying combustion heat.

The delay member 180 is inserted from the upper side of the inner joint 140 and includes a slider 181 for hooking the upper plate 131 and the heat flow of combustion heat to increase the thermal efficiency, A plurality of protrusions 182 are formed to prevent dust generated in the process from being discharged to the outside.

Accordingly, the heat passing through the internal connection 140 is resisted by the protrusion 182 of the retardation member 180, and the upper movement speed of the heat is lowered. As a result, the heat is delayed in the internal connection and the heat exchange time The effect of improving the thermal efficiency can be obtained, and the dust generated in the combustion process of the fuel is not discharged to the outside, thereby reducing pollution in the air environment.

The combustion gas passing through the plurality of internal joints 140 is collected at the upper part of the hot water tank 130 and discharged to the outside through a drain pipe 170 provided at a rear portion of the boiler. The pouring cylinder 170 forms a U-shaped pipe to discharge the exhaust gas from the combustion chamber 120, and a cleaning tool 171 is provided at the lower end of the pipe.

Accordingly, dust or foreign matter contained in the exhaust gas passing through the discharge port 170 is accumulated while falling down while passing through the U-shaped channel, and is periodically discharged through the cleaning port 171 provided at the lower end 170) is removed, the efficiency of the boiler can be improved.

Meanwhile, the inside of the hot water tank 130 is provided with internal heat exchanging means 150 to perform heat exchange with water in the hot water tank. According to the present invention, the internal heat exchanging unit 150 is a separate conduit closed with the hot water tank 130. In the process of heat exchange with water in the hot water tank 130, the heated water is used as hot water .

The coin pipe 151 constituting the internal heat exchanger 150 is wound around the outer periphery of a plurality of internal joints 140 provided inside the hot water container 130 in a coil shape, And a water supply pipe 152 is connected to one end of the coin pipe 151 and connected to the coin pipe 151 to supply water such as ground water or tap water to the coin pipe 151. [ And a water discharge pipe 153 for discharging the water supplied through the water supply pipe 150 is connected to the other end of the coin pipe 151.

According to the present invention, the inner heat exchanging unit (150) uses water heated through the operation of the boiler when hot water is used in the winter season, and the water in the hot water tank (130) . FIG. 7 is a flow diagram of heating and cooling operations using a multi-function boiler using wood pellets according to the present invention. The heating pipe 130 is connected to the inflow pipe 134 and the outflow pipe 135, Way valve 320 capable of switching connection to the air conditioner 310 or the three-way valve 320 is provided.

In the winter season, water is circulated through the hot water tank 130 heated by the boiler in a state where the three-way valve 320 is switched to the heating pipe 300, so that the hot water is used as heating hot water for raising the temperature of the floor. The coin tube 151 installed in the cylinder 130 is heat-exchanged with the heated water in the hot water tube, the cold water flowing through the water pipe 152 is heated to be heated, And is used as hot water.

On the other hand, in the summer when the boiler is not used, the boiler is not driven and heat is not generated. In this case, since the temperature of the floor is relatively lower than the room temperature of the building, water in the hot water tank is heated As a result, the temperature of the water circulated to the hot water tank through the heating pipe becomes lower than the room temperature.

Way valve 320 is switched to the air conditioner 310 so that the water in the hot water tank 130 is supplied to the air conditioner 310 such as the air conditioner provided in the room along the pipe, The hot air in the room can be cooled through the heat exchange performed by the air conditioner 310.

In the case where the water temperature inside the hot water tank 130 is raised due to the external temperature or the like and the groundwater having a temperature lower than that of the room is supplied to flow through the coin pipe 151, The water stored in the inside of the coin pipe 151 is exchanged with the groundwater of the coin pipe 151 to lower the water temperature. When the water of the hot water tank having a lower water temperature is supplied to the air conditioner through the inflow pipe 134, The cooling effect can be doubled.

That is, the air conditioner 310 has a function of lowering the indoor temperature through a heat exchange process with the surrounding air in the course of circulating water having a temperature lower than the ambient temperature. According to the present invention, In the summer, the three-way valve is switched to the air conditioner so as to have a function of lowering the room temperature, thereby achieving a cooling effect through the air conditioner.

In the present invention, in order to immediately replenish the amount of water consumed during the circulation of the heating pipe 200, the auxiliary tank 160 is installed in the water tank 130 .

The auxiliary tank 160 may be disposed at a relatively higher position than the hot water tank 130 and may be connected to the hot water tank 130 through a supplementary water supply pipe 161 connected to the lower portion of the auxiliary tank 160 Water is supplied to the auxiliary tank 160. The auxiliary tank 160 is provided inside the main body housing 100 so that there is no fear of freezing due to the external temperature even during the winter season so that the boiler can be driven stably, The tank is not exposed to the outside, and the appearance is also clean.

FIG. 8 is a view showing an automatic level control device installed in the supplementary water auxiliary tank provided in the boiler according to the present invention, wherein an automatic level control device 200 (see FIG. 8) is provided at the end of a pipe for supplying water to the auxiliary tank 160 ) Is installed.

FIG. 9 is a view showing an operation state of an automatic level control device installed in a supplementary water auxiliary tank provided in a boiler according to the present invention, in which a) shows a state in which water is supplied, and b) Respectively.

As shown in FIG. 9, the water level automatic regulating apparatus 200 installed in the auxiliary tank 160 includes an inlet pipe portion 210 connected to an external water pipe, a discharge pipe portion 220 discharging water, A spring 230, a main valve 240, a space 250, a compression coil spring 251, a partition wall 260, a lever 270, a plug 280 and a guide cover 290.

The dual pipe runner 230 includes an outer step pipe 231 connected to the inflow pipe part 210 to allow water to pass therethrough and an inner end pipe 231 concentric with the outer step pipe 231 and connected to the discharge pipe part 220. [ And a shoulder pipe 232.

The main valve 240 is installed at a lower portion of the double pipe runner 230 and has a function of opening and closing the pipe between the inflow pipe portion 210 and the discharge pipe portion 220, And a fine hole 241 connected to the inflow pipe portion 210 is provided.

The space 250 is a space formed between the lower part of the main valve 240 and the partition wall 260 and a compression coil spring 251 is installed in the space 250.

A partition wall 260 for supporting the lower end of the compression coil spring 251 and forming the space 250 is provided with a discharge hole 261 to discharge the water inside the space 250.

 The lever 270 is coupled from the lower side of the partition 260 by a hinge 271 and is provided with an auxiliary valve 272 corresponding to the discharge hole 261.

A magnet 270 is installed at a lower end of the lever 270 and a magnet 273 is attached between the lever 270 and the magnet 280 by a magnetic force so as to be engaged with each other. The water level is maintained by the opening of the main valve 240 and the water supply to the auxiliary tank 160 when the water level is sensed by the valve unit 280.

The guide cover 290 serves to guide the auxiliary port 280 to be moved up and down according to the level of the auxiliary tank 160 in a stable manner.

The water level automatic regulating device 200 is installed inside the auxiliary tank 160 to regulate the water level of the auxiliary tank 160 by a predetermined amount and is supplied from the auxiliary tank 160 to the replenishment water supply pipe When the water level of the auxiliary tank 160 is lowered in the course of supplying water to the hot water tank 130 through the water level controller 161, the water level automatic regulating device 200 is immediately opened and water replenishment is performed.

When the water level of the auxiliary tank 160 is lowered as shown in FIG. 9A, the port 280 is lowered together with the lever 270 rotating around the hinge 271, The water contained in the space 250 that has been blocked by the partition 260 is discharged through the discharge hole 261 and the pressure of the space 250 is reduced, .

The outer tube 230 connected to the inflow tube 210 and the inner tube 232 connected to the discharge tube 220 concentrically with the outer tube 230 are connected to each other by a double pipe line 230 The main valve 240 is lowered and opened because the pressure of the upper part is higher than that of the main valve 240 so that the inflow tube part 210 and the discharge tube part 220 are connected to each other and water is replenished.

When the water level of the auxiliary tank 160 rises through the process of replenishing the water, the bowl 280 rises together. As shown in FIG. 9B, when the lever 270 rotates about the hinge 271 And the valve 272 closes the discharge hole 261.

At the same time, water is supplied little by little through the fine holes 241 formed in the main valve 240 to connect the inflow tube portion 210, which is the upper portion of the main valve 240, The main valve 240 is smoothly moved in the upward direction while the water pressure is equalized at both sides of the inflow tube portion 210 and the space portion 250. At this time, .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: Body housing
110: combustor 111: fuel supply port
112: air supply port 113: air outlet
120: Combustion chamber
130: hot water tank 131: top plate
132: lower plate 133: peripheral plate
134: inlet pipe 135: outlet pipe
140: Internal association
150: internal heat exchanger 151: coin tube
152: water supply pipe 153: water discharge pipe
160: auxiliary tank 161: replenishment water supply pipe
170: Vessel 171: Cleaning chamber
180:
181: Strap 182:
200: Automatic level control
210: inlet pipe 220: outlet pipe
230: Double tube chin
231: outer step tube 232: inner step tube
240: main valve 241: fine hole
250: space part 251: compression coil spring
260: Bulkhead 261: Exhaust hole
270: lever
271: Hinge 272: Auxiliary valve
280:
290: Guide cover
300: Heating piping
310: Air conditioner
320: 3-way valve

Claims (4)

A combustor 110 having a fuel supply port 111 at an upper portion thereof and a plurality of air ejection holes 113 at a lower portion thereof for ejecting air supplied by the air supply portion 112;
A combustion chamber 120 provided at a lower portion of the hot water tank 130 so that a flame generated in the combustor 110 is jetted and heat exchange is performed with the hot water tank 130;
A plurality of internal connections 140 are provided in the upper part of the combustion chamber 120 to provide heat exchange. The heating water supplied to the heating pipe 200, which is disposed at the floor of the room, A hot water tank 130 for storing hot water;
An internal heat exchanger 150 installed inside the hot water tank 130 to perform heat exchange with water in the hot water tank;
An auxiliary tank 160 connected to the hot water tank 130 by a replenishment water supply pipe 161 to supply a predetermined amount of water to the water tank 130;
A drain pipe 170 for discharging the exhaust gas burned in the combustion chamber 120;
A main body housing 100 for housing the combustor 110, the combustion chamber 120, the hot water tank 130, the auxiliary tank 160, and the drain pipe 170 therein;
Lt; / RTI >
The internal heat exchanger (150)
A coil pipe 151 wound around a plurality of inner joints 140 provided inside the hot water tank 130 so that heat is exchanged between water flowing in the hot water tank 130 and hot water in the hot water tank 130, );
A water supply pipe 152 connected to one end of the coin pipe 151 to supply water; And a water discharge pipe (153) connected to the other end of the coin pipe (151) for discharging water supplied through the water pipe;
Lt; / RTI >
The hot water container (130)
The upper surface of the upper plate 131 and the lower surface of the lower plate 132 are sealed by the inner joints 140 which are hermetically sealed by the upper plate 131, the lower plate 132 and the circumferential plate 133, Through,
The inner joint 140 is provided with a pawl 181 for catching the upper plate 131 and a pawl member 180 having a plurality of protrusions 182 for controlling the flow of combustion heat to increase thermal efficiency ,
In the inflow pipe 134 and the outflow pipe 135 connected to the hot water container 130,
Way valve (320) capable of switching connection to the heating pipe (300) or the air conditioner (310) is further provided,
The exhaust port 170 defines a U-shaped channel for exhausting the exhaust gas from the combustion chamber 120. A cleaning port 171 is provided at the lower end of the channel,
A water level automatic regulating device 200 is provided in the auxiliary tank 160,
The automatic level control device (200)
An outlet pipe portion 220 connected to the outside water pipe, a discharge pipe portion 220 discharging water, a double pipe pipe 230 connected to the inlet pipe portion and the discharge pipe portion to allow water to pass therethrough, A space portion 250 formed between the lower portion of the main valve and the partition wall, a compression coil spring 251 installed in the space 250, and a lower end portion of the compression coil spring 251 A lever 270 coupled to the hinge 271 from a lower side of the partition wall 260 and a lever 270 installed at a lower end of the lever 270, And a guide cover (290) for moving the subsection (280), which is raised and lowered according to the level of the auxiliary tank (160), within a predetermined interval,
The double pipe runner 230 includes an outer step pipe 231 connected to the inflow pipe part 210 to allow water to pass therethrough and an inner step pipe 232 connected to the discharge pipe part 220,
The multifunctional boiler according to any one of the preceding claims, wherein the main valve (240) is provided at a lower portion of the double pipe runner (230) and has a micro through hole (241) to be connected to the inflow pipe portion (210).
delete delete delete

Images