KR101646245B1 - boiler with burner - Google Patents

Abstract

According to the present invention, a burner integrated boiler comprises: a combustion unit having a burner combusting an object to be combusted to generate combustion heat; a heat exchanging unit connected to an upper side of the combustion unit and having a heat exchanging pipe therein to exchange heat; and a combustion guide unit connected to a lower side of the combustion unit, supplying air to an inner space of the combustion unit to improve combustion operation of the object to be combusted, and guiding the combustion heat to be supplied to the inside of the heat exchanging unit. The purpose of the present invention is to provide the burner integrated boiler, improving combustion efficiency.

Description

Boiler with burner "

The present invention relates to a burner-integrated boiler.

Currently, boilers have various structures and features ranging from industrial to domestic use. In boilers, they heat water or air using the combustion heat of fuel such as oil or gas such as kerosene or gasoline.

By the way, oil, gas, etc. are very expensive, so heating costs are high. In particular, in the case of farmers using boilers as heating devices to grow crops in greenhouses or vinyl houses, the cost increase due to fuel costs increases the price of cultivated crops, which increases the burden on farmers.

Recently, solid fuels such as briquettes and coal have been used. However, the solid fuel such as coal is not only limited in store, but also has a problem that the gas generated when the solid fuel is burned is harmful to the human body.

In recent years, interest in the environment has increased and problems related to depletion of resources have arisen. As a result, there has been a tendency to conserve natural resources and to develop environmentally friendly energy sources. As a result, the use of boilers using wood or pellets as fuel .

However, the conventional pellet boiler has a problem in that incomplete combustion occurs due to insufficient mixing of the pellet fuel and the air supplied to the combustion chamber in the combustion chamber, and the combustion gas generated in the combustion chamber is immediately discharged while being discharged, The heat of the heat exchanging pipe is not sufficiently exchanged with the heat exchanging pipe, so that the heat exchanging efficiency of the boiler is poor.

Patent Registration No. 10-0808783 (Feb. 22, 2008) Patent Registration No. 10-1199299 (2012.11.02)

The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to provide an air conditioner capable of improving the combustion efficiency by allowing air to be mixed in the combustible object in the combustion chamber, The present invention provides a burner-integrated boiler.

A burner-integrated type boiler according to the present invention includes a combustion section including a burner for generating combustion heat by burning a combustible material, a heat exchange section connected to the upper side of the combustion section and provided with a heat exchange tube therein, And a combustion inducing unit connected to the combustion chamber to supply air to the internal space of the combustion unit to increase the combustion action of the combustible and guide the combustion heat to be supplied to the inside of the heat exchange unit.

A plurality of supply holes are formed in the combustion unit so as to be able to receive air from the combustion inducing unit,

An air dispersion part formed in an inner space of the combustion part and formed with a plurality of dispersion holes for dispersing and supplying the air of the combustion induction part to the combustion part at positions corresponding to the supply holes, And an inflow preventing portion for preventing a remnant present in the space from flowing into the combustion inducing portion.

Further, the subject matter to be burned is pellets and wood,

The combustion section includes a pellet supply section and a wood supply section.

The pellet supplying unit includes a dispersing unit that injects air into the pellet supplying unit to disperse and supply the pellets to the combustion unit.

An air supply unit for supplying air to the combustion induction unit; an air suction unit installed in the heat exchange unit to allow the combustion heat of the combustion unit to be supplied to the inside of the heat exchange unit through a suction operation; And a control unit for keeping the internal temperature of the combustion unit constant.

And a discharge unit installed in the internal space of the combustion unit and discharging the residue existing in the internal space of the combustion unit to the outside,

The discharge portion

And a transfer blade for transferring the remnants while being rotated together with the rotation shaft, the transfer wings being spaced apart from each other at an outer periphery of the rotation shaft.

Further, an air inlet groove is formed along the longitudinal direction inside the rotary shaft,

A discharge hole connected to the air inlet groove is formed at an outer periphery of the rotary shaft so as to be spaced apart from each other,

And a cooling unit for cooling the discharge unit by supplying air to the air inlet groove and discharging the air through the discharge hole.

The burner-integrated type boiler according to the present invention has an effect of improving the combustion efficiency by supplying air to the combustion chamber through the combustion inducing portion and the air dispersing portion to be mixed with the combusted material.

In addition, air is supplied to the combustion chamber through the operation of the air supply unit and the combustion induction unit, or the combustion heat of the combustion chamber is supplied to the heat exchange unit performing the burner-integrated boiler function through the air suction unit so that the temperature of the combustion chamber is maintained within the stable range There is an effect that can be.

In addition, since the combustion inducing portion supplies air from the lower portion of the combustion chamber to assist combustion of the material to be combusted, and the dispersing portion supplies air to the combustion chamber from the lateral direction, the flame of the combustion chamber is prevented from rising to the upper portion, There is an effect that can be.

In addition, since residues existing in the combustion part can be automatically discharged through the discharge part, the maintenance can be facilitated.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a burner-integrated boiler according to the present invention; FIG.
2 is a perspective view showing an air dispersion unit applied to a burner-integrated boiler according to the present invention;
3 is a cross-sectional view illustrating an inflow dispersion unit applied to a burner-integrated boiler according to the present invention.
4 is a cross-sectional view showing one embodiment of an inflow dispersion unit applied to a burner-integrated boiler according to the present invention.
5 is a view showing a state where a discharge unit is applied to a burner-integrated boiler according to the present invention.
6 is a plan view showing a connection state of a discharge part and a cooling part applied to a burner-integrated boiler according to the present invention;
FIG. 7 is a sectional view showing a connection state of a discharge part and a cooling part applied to a burner-integrated boiler according to the present invention; FIG.
FIG. 8 is a block diagram showing a connection state of a control unit applied to a burner-integrated boiler according to the present invention, an air supply unit, and an air intake unit. FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings.

2 is a perspective view showing an air dispersion unit applied to a burner integrated type boiler according to the present invention. FIG. 3 is a perspective view showing a burner integrated type boiler according to the present invention, FIG. 4 is a cross-sectional view showing an embodiment of an inflow dispersion unit applied to a burner-integrated boiler according to the present invention, and FIG. 5 is a sectional view showing a state where a discharge unit is applied to a burner- FIG. 6 is a plan view showing a connection state between a discharge part and a cooling part applied to the burner-integrated boiler according to the present invention, and FIG. 7 is a view showing the connection state of the discharge part and the cooling part, which is applied to the burner- 8 is a view showing the connection state of the control unit applied to the burner-integrated boiler according to the present invention, the air supply unit and the air suction unit, A block diagram.

A burner-integrated boiler (1) according to the present invention includes a combustion section (10), a heat exchange section (20), and a combustion induction section (30).

In the combustion unit 10, a combustion space for mixing and burning the air with the object to be burned is formed therein. In the embodiment, the bottom 10a is formed to have a cylindrical shape, A side wall portion 10b rising upward along the edge of the side wall portion 10a and a ceiling portion 10c sealing the upper open portion of the side wall portion 10b.

The side wall part 10b is formed with a discharge port 101b for discharging the residue generated due to the combustion of the combustible material to the outside and the discharge port 101b is connected to the discharge port 101b by a lid 14 which is rotatably coupled by a hinge Is opened and closed.

The bottom portion 10a is formed with a supply hole 101a connected to the dispersion hole 41 of the air dispersion unit 40 to be described later.

A part of the upper surface of the ceiling portion 10c is opened to be connected to the inside of the heat exchanging portion 20, which will be described later.

The internal space of the combustion unit 10 forms a combustion chamber, and the combustion chamber is provided with a burner 11 for heating and combusting the combustible.

The burner 11 can be a known technology, and an ignition unit (not shown) for ignition is provided inside.

The burner 11 generates combustion heat by using the oxygen in the air supplied from the combustion inducing unit 30, which will be described later, as an oxidizing agent to burn the material to be burned.

At this time, the material to be burned may be pellets and wood made by compressing sawdust, and the pellet supply unit 12 and the wood supply unit 13 are formed in the combustion unit 10, respectively.

The pellet supply unit 12 is integrally formed on one side of the combustion unit 10. The pellet supply part 12 may be formed in a hopper shape.

That is, the inner space of the pellet supply part 12 is connected to the inner space of the combustion part 10, so that the pellet can be easily supplied to the combustion chamber.

In addition, the pellet supply unit 12 is provided with a dispersion unit 60.

The dispersion part 60 may be formed by a known injection, and a part of the dispersion part 60 is horizontally passed through the side surface of the pellet supply part 12 and is positioned in the inner space of the pellet supply part 12. [

The dispersion unit 60 injects air into the internal space of the pellet supply unit 12 to supply the pellets to the combustion unit 10 in a uniformly dispersed state.

The wood supply part 13 may be formed integrally with the lower right part and the upper left part of the combustion part 10 on the basis of the mounting object 70, respectively.

The wood supply part 13 is formed into a cylindrical shape that opens to the left and right, and its inner space is connected to the combustion chamber.

The wood supply part 13 is opened / closed by a lid 15 which is rotatably coupled in a hinged manner.

That is, when the cover 15 is opened to supply wood to the combustion chamber, and the cover 15 is closed, the combustion heat can be prevented from leaking to the outside.

At this time, the wood supply part 13 may be formed with a plurality of spaced apart from each other in the combustion part 10 so that the wood can be quickly and uniformly dispersed in the combustion chamber.

The heat exchanging part 20 collects the heat of combustion generated in the combustion part 10 and serves as a boiler. The heat exchanging part 20 is installed on the top surface of the ceiling part 10c, Respectively.

At this time, it is preferable that the heat exchanging part 20 and the ceiling part 10c are formed in a closed structure to prevent the heat of combustion from leaking to the outside.

The heat exchanging part 20 is formed into a cylindrical shape having a predetermined length and diameter and an open bottom, collecting the heat of combustion of the combustion part 10.

A plurality of heat exchange tubes 21 are provided in the heat exchange section 20 with a gap therebetween. Water flows into the heat exchange tube 21 to absorb heat energy inside the heat exchange section 20.

The combustion inducing unit 30 may be a well-known air chamber for supplying air to the internal space of the combustion unit 10 to increase the combustion action of the combustible.

The combustion inducing unit 30 is installed in the lower part of the combustion unit 10 and the air dispersion unit 40 is installed in the bottom part 10a of the combustion unit 10.

Dispersion holes 41 formed to have the same cross-sectional shape as that of the bottom portion 10a of the combustion unit 10 and connected to the supply holes 101a of the bottom portion 10a are spaced apart from each other .

The combustion induction unit 30 receives air from the air supply unit 70 and supplies air to the combustion chamber.

At this time, the air supply unit 70 may be an air supply device such as a known blower or an air pump.

Each of the dispersion holes 41 is further provided with an inflow preventing portion 50 for preventing the residues present in the combustion chamber from flowing into the combustion inducing portion 30 .

3 or FIG. 4, the inlet preventing portion 50 may be formed by twisting a check valve or wire so that the air of the combustion inducing portion 30 flows into the combustion chamber. So that the remnant present in the combustion chamber is prevented from flowing into the combustion inducing portion (30).

The air supplied to the inner space of the combustion inducing unit 30 through the air supplying unit 70 is supplied to the respective dispersion holes 41 and the combustion unit 10 of the air dispersion unit 40, The supply holes 101a are sequentially supplied to the combustion chamber.

As the air is supplied to the combustion chamber through the dispersion holes 41 and the supply holes 101a, the mixture is evenly mixed with the material to be combusted. As a result, the combustion efficiency is increased by inducing complete combustion.

In addition, since the combustion inducing unit 30 supplies air at the lower part of the combustion chamber to help the combustion of the material to be burned, and the dispersion unit 60 supplies air to the combustion chamber in the lateral direction, So that the combustion efficiency can be increased.

On the other hand, an air suction part (80) is further provided on the upper side of the heat exchanging part (20).

The air intake part 80 may be formed by a known blower or a sirocco fan and sucks the inner air of the heat exchanging part 20 and the combustion part 10 and discharges the air to the outside.

The operation of the air supply unit 70 and the air suction unit 80 is controlled by the control unit 90.

The control unit 90 is electrically connected to the air supply unit 70 and the air suction unit 80 and operates the air supply unit 70 and the air suction unit 80 alternately so that the internal temperature of the combustion chamber is always Keep it constant.

Specifically, the control unit 90 operates the air supply unit 70 to supply air to the combustion chamber to improve the combustion efficiency. When the combustion of the material to be combusted is completed, the operation of the air supply unit 70 is stopped .

At the same time, the control unit 90 operates the air suction unit 80, and the air suction unit 80 supplies the combustion heat of the combustion unit 10 to the inside of the heat exchange unit 20 through the suction operation .

In this case, high-temperature combustion heat can be prevented from remaining in the combustion chamber, and the combustion section 10 can be prevented from being damaged, such as by causing a change in physical properties.

In addition, as the air intake part 80 sucks the combustion heat of the combustion chamber, the pellet supply part 12, the wood supply part 13, and the discharge port 101b can be prevented from leaking to the outside, can do.

5 shows a state in which the discharge unit is applied to the burner-integrated boiler according to the present invention. In the inner space of the combustion unit 10, that is, the bottom 10a, And a discharge unit 100 for automatically discharging the gas to the outside.

The discharge unit 100 includes a rotating shaft 101 and a transfer blade unit 102.

The rotary shaft 101 is formed in a circular bar shape having a predetermined length and diameter, and a plurality of the rotary shafts 101 are disposed at intervals along the longitudinal direction of the combustion chamber.

Each of the rotation shafts 101 can be rotated in a state where both sides of the rotation shafts 101 are installed on the bracket B. [

The bracket B is formed in a substantially rectangular plate shape and is fixed to the bottom portion 10a in a standing manner and has a bearing (not shown) to guide the rotation of the rotation shaft 101 smoothly.

That is, both end portions of the rotary shaft 101 are connected to each other through a bearing of the bracket B so that the rotary shaft 101 is rotated around a point passing through the bearing will be.

In addition, a sprocket 101c connected to one end of each of the rotating shafts 101 through a chain C is mounted.

A separate sprocket (not shown) is mounted on one of the rotating shafts 101, and the separate sprocket (not shown) is connected to a driving motor (not shown) through a separate chain (not shown).

Accordingly, when the motor shaft is rotated by applying power to the driving motor, the chains form an endless track and simultaneously rotate the rotating shafts 101 while being rotated.

At this time, it can be said that drums and belts can be applied instead of sprockets and chains as means for simultaneously rotating the plurality of rotary shafts (101).

The transfer wing 102 discharges the residues present in the combustion chamber to the discharge port 101b and is formed to have a predetermined length and thickness and is spaced apart from the outer circumference of the rotation shaft 101. [

The transfer wing portion 102 is rotated together with the rotation shaft 101 to transfer the residues present in the combustion chamber to the discharge port 101b side.

That is, when a certain amount of residue is accumulated in the combustion chamber, power is applied to the driving motor so that the rotating shafts 101 are rotated in the direction in which the discharge port 101b is formed, As the residue is automatically transferred to the discharge port 101b while being rotated together, the convenience of use is improved, in which cleaning of the combustion chamber is facilitated.

6 and 7, the central air inlet groove 101a of the rotary shaft 101 described above is formed along the longitudinal direction, and the air inlet groove 101a and the air inlet groove 101b are formed on the outer circumference of the rotary shaft 101, And discharge holes 101d to be connected are formed at intervals from each other.

The rotation shaft 101 is cooled by receiving air from the cooling unit 110, and the physical properties of the rotation shaft 101 are not changed by the combustion heat.

The cooling unit 110 may be formed by a known air compressor, and a cooling pipe 110 having a branch pipe 111 is installed.

The branch pipes (111) are formed in the same number as the rotating shaft (101).

At this time, the branch pipe (111) faces the air inlet groove (101a) while being separated from the air inlet groove (101a) by a predetermined distance so as not to interfere with the rotation of the rotary shaft (101).

The cooling unit 110 supplies air to the air inlet grooves 101a of the rotary shaft 101 through the branch pipes 111. The air introduced into the air inlet grooves 101a flows into the respective discharge holes So that the rotating shaft 101 can be prevented from being damaged, for example, by causing a change in physical properties due to high-temperature combustion heat.

In addition, since the air having passed through the discharge hole 101d is supplied to the combustion chamber, the combustion efficiency can be increased.

At this time, when air is supplied to the rotating shaft 101 through the cooling part 110 in the process of discharging the remnants through the rotation of the rotating shaft 101 and the conveying blade 102, the remnant may be blown.

Therefore, the cooling unit 110 is controlled not to supply air in the process of discharging the residue.

The present invention has been described above with reference to the embodiments shown in the drawings. However, the present invention is not limited thereto, and various modifications or other embodiments falling within the scope of the present invention are possible by those skilled in the art.

1: Burner integrated boiler 10: Combustion part
10a: bottom part 101a: supply hole
10b: side wall portion 101b:
10c: ceiling 11: burner
12: Pellet supply part 13: Wood supply part
14, 15: cover 20: heat exchanger
21: heat exchange tube 30:
40: air dispersion part 41: dispersion hole
50: inflow preventing portion 60: dispersing portion
70: air supply part 80: air suction part
90: control unit 100:
101: rotating shaft 101a: air inflow groove
101d: discharge hole 101c: sprocket
102: feed wing 110: cooling part
111: Branch organization

Claims (7)

A combustion section including a burner for combusting the combustible material to generate combustion heat,
A heat exchange unit connected to the upper side of the combustion unit and provided with a heat exchange tube therein for performing heat exchange,
A combustion inducing unit connected to a lower side of the combustion unit and supplying air to the internal space of the combustion unit to increase the combustion action of the combustible and guide the combustion heat to be supplied to the inside of the heat exchange unit,
And a discharge unit installed in the internal space of the combustion unit and discharging the residue existing in the internal space of the combustion unit to the outside,
The discharge portion
A rotary shaft installed to be rotatable in place along the longitudinal direction of the internal space of the combustion unit,
And a transfer wing installed at an outer circumference of the rotation shaft and spaced apart from each other and transferring the remnant while being rotated together with the rotation shaft,
An air inlet groove is formed along the longitudinal direction inside the rotating shaft,
A discharge hole connected to the air inlet groove is formed at an outer periphery of the rotary shaft so as to be spaced apart from each other,
And a cooling part for cooling the discharge part by supplying air to the air inflow groove and discharging the air through the discharge hole to the branch.
The method according to claim 1,
Wherein a plurality of supply holes are formed in the combustion unit so as to be able to receive air from the combustion inducing unit,
An air dispersion part formed in an inner space of the combustion part and formed with a plurality of dispersion holes for dispersing and supplying air of the combustion induction part to the combustion part at positions corresponding to the supply holes,
And an inflow prevention part installed in the dispersion hole and preventing a remnant present in the internal space of the combustion part from flowing into the combustion inducing part.
The method according to claim 1,
Wherein the material to be burned is pellets and wood,
Wherein the combustion section includes a pellet supply section and a wood supply section.
The method of claim 3,
Wherein the pellet supply unit includes a dispersion unit for spraying air into the pellet supply unit to disperse and supply the pellets to the combustion unit.
The method according to claim 1,
An air supply unit for supplying air to the combustion induction unit,
An air suction unit installed in the heat exchange unit and supplying combustion heat of the combustion unit to the inside of the heat exchange unit through a suction operation,
And a control unit for alternately operating the air supply unit and the air suction unit so that the internal temperature of the combustion unit is kept constant.
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