KR100934347B1 - Auto hot blast heater using sawdust and pellet fuel - Google Patents

Abstract

PURPOSE: An automatic air heater using sawdust and pellet fuel is provided to remove risk of a fire by discharging the ash at regular time intervals. CONSTITUTION: An automatic air heater using sawdust and pellet fuel comprises a heater main body(1), a heat radiation container, a combustion unit, an ignition unit, an ash discharge unit, a combustion fan(7), a blower(8), and a controller(9). The heater main body has a hot air outlet(11) and a smoke outlet. The heat radiation container includes a combustion chamber, a plurality of heat circulation pipes, and a plurality of heat baffles. The combustion unit is inserted in the combustion chamber of the heat radiation container and burns sawdust and pellet fuel provided through a fuel supply part. The ignition unit penetrates the heater main body and the heat radiation container and automatically ignites the fuel when the temperature is lowered below the set temperature. The ash discharge unit discharges the ash burnt in the combustion unit to outside. The combustion fan supplies the air to the combustion unit to help the firing of the pellet fuel and sawdust. The controller controls the ash discharge unit, the combustion fan, the ignition unit, and the blower.

Description

Automatic hot blast heater using sawdust and pellet fuel

The present invention relates to an automatic warmer using sawdust and pellet fuel, more specifically sawdust and pellets having a structure that can save heat for a long time using wood fuel, such as sawdust and pellets as a heat source and save energy It relates to an automatic hot air heater using fuel.

In general, a hot air blower using fossil fuel such as gas, briquettes, or petroleum as a heat source is mainly used in a farm-growing farm.

The problem is that the hot air fan using fossil fuel causes energy waste and environmental pollution. Recently, hot air fans using a natural heat source are used instead of fossil fuel.

Conventional facility house warmers are mostly oil-only warmers or electricity-only warmers that use expensive oil as the main raw material, so the burden on fuel costs or electricity is transferred to farms.

Recently, various types of combined heat fans have been sold in order to alleviate the burden of fuel costs. For example, in the case of a hot air blower that is combined with oil, such as coal and oil, there is a disadvantage that the combined fuel cannot be easily obtained. Still, the cost of fueling has placed a heavy burden on farmers.

The present invention has been made to solve the above problems, it is possible to prevent energy waste and environmental pollution by using environmentally friendly raw materials, and to automatically save the heat in the device for a long time using the sawdust and pellet fuel which has the effect of energy saving The purpose is to provide a warm air fan.

Automatic hot air blower using a sawdust and pellet fuel according to the present invention, the hot air blower body is formed with a space therein and a hot air outlet for discharging the warm air on one side, and a communication hole for discharging the smoke generated therein; Is installed inside the main body of the hot air fan, a combustion chamber for the combustion of the fuel is formed in the lower portion and a plurality of heat circulation tubes are installed inside the high temperature heat is circulated, a plurality of heat obstruction plate in a direction perpendicular to the heat circulation tube Heat dissipation section installed; A combustion unit inserted into a combustion chamber of the heat dissipation chamber and igniting sawdust and pellet fuel supplied through a fuel supply unit; An ignition unit that penetrates the warmer main body and the heat dissipation tube and automatically ignites fuel when the set temperature is reached; A ash discharging unit discharging ash combusted in the combustion unit to the outside; A combustion fan supplying air to the combustion unit to activate ignition of the sawdust and pellet fuel; A blower installed at an upper side and a side of the warmer main body to supply external air into the warmer main body; It characterized in that it comprises a control unit for controlling the operation of the combustion unit, ignition unit, ash discharge unit, combustion fan, blower to adjust the warm air.

Automatic hot air blower using sawdust and pellet fuel according to the present invention, it is possible to prevent energy waste and environmental pollution by using environmentally friendly raw materials, and to increase the farm household income by saving energy by preserving heat in the device for a long time. .

In addition, by discharging the ash generated by the combustion of the fuel to the outside at a certain time, not only to prevent the risk of fire that may be caused by the embers, but also to easily ignite the secondary ignition without interrupting the entry of the combustion unit. It is effective.

Automatic hot air blower using a sawdust and pellet fuel according to the present invention, the hot air blower body is formed with a space therein and a hot air outlet for discharging the warm air on one side, and a communication hole for discharging the smoke generated therein; Is installed inside the main body of the hot air fan, a combustion chamber for the combustion of the fuel is formed in the lower portion and a plurality of heat circulation tubes are installed inside the high temperature heat is circulated, a plurality of heat obstruction plate in a direction perpendicular to the heat circulation tube Heat dissipation section installed; A combustion unit inserted into a combustion chamber of the heat dissipation chamber and igniting sawdust and pellet fuel supplied through a fuel supply unit; An ignition unit that penetrates the warmer main body and the heat dissipation tube and automatically ignites fuel when the set temperature is reached; A ash discharging unit discharging ash combusted in the combustion unit to the outside; A combustion fan supplying air to the combustion unit to activate ignition of the sawdust and pellet fuel; A blower installed at an upper side and a side of the warmer main body to supply external air into the warmer main body; It characterized in that it comprises a control unit for controlling the operation of the combustion unit, ignition unit, ash discharge unit, combustion fan, blower to adjust the warm air.

In addition, the heat baffle plate is formed in the shape of a horizontal cut in a circular shape, it characterized in that the installation is alternately installed at a predetermined interval.

In addition, the combustion unit is installed in the longitudinal direction between the front and rear plates and the front and rear plates, the body consisting of both side plates disposed at different heights, and a plurality of air supply pipe connected to the outside of the side plate located on the upper side to supply air And a cylindrical furnace supported by both supports installed between the front and rear plates, a fuel support plate installed at a lower portion of the furnace and having a plurality of through holes, and a lower portion of the fuel support plate to rotate the power transmission member. It is characterized by consisting of the ash support plate which is operated to the left and right by dropping the ash discharged through the fuel support plate to the bottom of the combustion chamber.

In addition, the power transmission member is rotated by the drive of the motor and a pair of drive gears are spaced apart from each other a plurality of drive shafts and a plurality of reduction gears connected to the drive shaft of one side is rotated and a pair of driven gears It is characterized by consisting of a plurality of driven shafts spaced apart from each other.

In addition, the ash discharging unit is characterized in that it is composed of a ash discharge pipe communicating with the combustion chamber, and a spring-shaped transfer rod installed in the ash discharge pipe and rotated by a motor.

The ignition unit may include an ignition plug inserted into a plurality of connection pipes penetrating the combustion chamber and igniting fuel.

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

1 is a front perspective view showing an automatic warm fan using sawdust and pellet fuel according to the present invention, Figure 2 is a rear perspective view showing an automatic warm fan using sawdust and pellet fuel according to the present invention, Figure 3 is a sawdust according to the present invention And a cross-sectional view showing the internal appearance of the automatic hot air fan using the pellet fuel, Figure 4 is a view showing a heat sink and the combustion unit of the automatic hot air fan using the sawdust and pellet fuel according to the present invention, Figure 5 is a sawdust and pellet fuel according to the present invention Figure 6 is an exploded perspective view showing a combustion unit of the automatic hot air fan using, Figure 6 is a partially cut perspective view for showing the inside of the heat sink of the automatic hot air fan using the sawdust and pellet fuel according to the present invention.

As shown in Figures 1 to 6, the automatic hot air fan using the sawdust and pellet fuel according to the present invention is a hot air blower body 1, the heat dissipation tank 2, the combustion unit 3, the ignition unit 5, the ash discharge The part 6, the combustion fan 7, the blower 8, and the control part 9 are comprised.

The hot air blower main body 1 has a space formed therein, a hot air outlet 11 for discharging warm air on one side and a communication hole 12 for discharging smoke generated therein to the outside is formed.

The hot air outlet 11 is formed on the side and the rear of the hot air blower main body 1, respectively, the communication hole 12 is installed in communication with the heat dissipation tube 2, but extends to the upper portion of the hot air blower main body (1) Is formed.

On one side of the warmer main body 1, a temperature sensor 13 is installed and senses the room temperature of the warmer main body 1 and transmits it to the control unit 9.

The heat dissipation container 2 is installed inside the hot air blower main body 1 and is formed in a cylindrical shape, and a combustion chamber 21 for combustion of fuel is formed at a lower portion thereof.

The heat dissipation tube 2 is provided with a plurality of heat circulation tubes 22 through which high temperature heat is circulated, and a plurality of heat obstruction plates 23 are installed in a direction perpendicular to the heat circulation tubes 22.

The heat baffle plate 23 is formed in a circular shape to cut a portion thereof horizontally, and are installed alternately with a predetermined interval. Therefore, the heat obstruction plates 23 are alternately installed, thereby hindering the flow of heat moving between the heat circulation pipes 22 and improving heat efficiency while delaying heat transfer.
That is, the heat generated by the combustion of the fuel in the combustion chamber 21 is heat dissipated at a high temperature through the heat circulation pipe 22, and when the blower 8 is operated, blown air passes through each heat circulation pipe 22. It absorbs high temperature heat, becomes hot air, and is discharged to the hot air outlet 11. At this time, the warm air is interrupted the path by the heat obstruction plate 23 while passing through the outer space of the heat circulation tube 22 inside the heat dissipation tube 2, and the heat transfer time from the heat circulation tube 22 becomes long.

In particular, the heat circulation tube 22 installed directly above the fuel and directly receiving heat uses a thicker one, and the heat circulation tube 22 receiving heat indirectly preferably uses a thinner one. Do.

One or more fuel supply pipes 41, one end of which passes through the heat sink 2 and communicates with the combustion chamber 21, and the other end protrudes out of the heat sink 2, behind the heat sink 2. Is installed.

The combustion unit 3 is inserted into the combustion chamber 21 of the heat dissipation tube 2 to ignite sawdust and pellet fuel supplied through the fuel supply unit 4.

The fuel supply unit 4 is installed in the fuel supply pipe 41 is composed of a transfer screw 43 rotated by the motor 42.

The combustion unit 3 is installed in the longitudinal direction between the front and rear plates 311 and 312 and the front and rear plates 311 and 312, the body 31 consisting of both side plates 313 disposed at different heights, A cylindrical furnace 33 supported by a plurality of air supply pipes 32 connected to the outside of the side plate 313 to supply air, and both supporters 331 provided between the front and rear plates 311 and 312, and A fuel support plate 34 installed at a lower portion of the furnace 33 and having a plurality of through holes 341 and a fuel support plate 34 installed at a lower portion of the fuel support plate 34 and transported by the rotation of the power transmission member 35 is provided. Ash ash discharged through the 34 is composed of a ash support plate 36 for dropping to the bottom of the combustion chamber (21).

A through hole (not shown) is formed at one side of the furnace 33 so that the spark plug 52 passes. Ash generated from the combustion of the sawdust and pellet raw material in the furnace 33 falls to the ash support plate 36 through the through hole 341 of the fuel support plate 34.
The through hole 341 of the fuel support plate 34 serves as a passage for supplying air, and ash falling into the ash support plate 36 is extremely small, and the ash support plate 36 has the through hole 341 when the fuel is burned. A small amount of ash falling through the stack is accumulated, and serves to guide the air supplied between the fuel support plate 34 and the ash support plate 36 through the air supply pipe 32 to the fuel support plate 34.

The power transmission member 35 is rotated by the driving of the motor 351 and a plurality of drive shafts 352 in which a pair of drive gears 352a are spaced apart from each other, and a plurality of drive shafts 352 connected to the one side drive shaft 352. It is connected to the reduction gear 353 and rotates, and a pair of driven gears 354a is composed of a plurality of driven shafts 354 spaced apart from each other.

The drive shaft 352 and the driven shaft 354 is installed between the front and rear plates 311 and 312, and a motor 351 is connected to one end of one driving shaft 352, but the motor 351 is the front plate 311. It is installed to be exposed to the outer surface of the The drive shaft 352 is installed at a position higher than the driven shaft 354, the fuel support plate 34 is installed on the upper portion of the drive shaft 352, the back support plate 36 is provided on the driven shaft 354 Is installed.

The ignition unit 5 penetrates the hot air blower main body 1 and the heat dissipation tube 2 and automatically ignites fuel when the set temperature is reached. The ignition unit 5 includes an ignition plug 52 inserted into the plurality of connection pipes 51 penetrating the combustion chamber 21 to ignite fuel.

At the end of the spark plug 52, an electromagnet 53 is installed to return to its original position when no power is supplied.

The ash discharging unit 6 discharges ash combusted by the combustion unit 3 to the outside. The ash discharging part 6 is a ash discharging pipe 61 communicating with the combustion chamber 21, and a spring-shaped feed rod 63 installed inside the ash discharging pipe 61 and rotated by a motor 62. It consists of.

When the temperature rises above the set temperature according to the set temperature of the control unit 9, the combustion of the combustion unit 3 is stopped and the ash support plate 36 is operated left and right by the power transmission member 35, thereby restoring the ash support plate 36. ) Ashes that have been accumulated in the tank are dropped to the bottom of the combustion chamber 21, and the dropped ashes are discharged to the outside by the transfer rod 63 rotating by the motor 62.

It is desirable to set the ash discharge part 6 to be operated at least once a day because the embers may be alive and may cause a fire.

The combustion fan 7 supplies air to the combustion unit 3 to activate ignition of the sawdust and pellet fuel. The combustion fans 7 are respectively installed in the air supply pipes 32 of the combustion unit 3 and are operated when the motor 42 of the fuel supply unit 4 is operated to forcibly blow external air.

The blower 8 is installed at the upper and side portions of the warmer main body 1 and serves to supply external air into the warmer main body 1. In particular, two blowers 8 are installed at the top and one is installed at the side to discharge a lot of heat to the hot air outlet 11.

The control unit 9 is installed on the upper side of the warmer main body 1 and operates the combustion unit 3, the ignition unit 5, the ash discharge unit 6, the combustion fan 7, and the blower 8. Control the warm air.

Hereinafter, the operation of the automatic hot air fan using the sawdust and pellet fuel according to the present invention.

Automatic hot air heater according to the present invention is automatically operated according to the setting of the control unit 9, first, the feed screw 43 rotated by the motor 42 through the fuel supply pipe 41 when the set temperature is lower than sawdust and Sawdust and pellet fuel falling while transferring pellet fuel to the furnace 33 side are evenly supplied to the whole furnace 33.

As the sawdust and pellet fuel are supplied by the transfer screw 43, the spark plug 52 is operated at the same time, the combustion fan 7 is also operated, and after the ignition, the spark plug 52 returns to its original position.

When the ignition is performed while the sawdust and pellet fuel are put in, the combustion is performed in the combustion chamber 21, and the heated heat in the combustion chamber 21 is the heat circulation tube of the heat dissipation tank 2 during the combustion process. Go along (22).

The heat moving along the heat circulation pipe 22 is in a state in which the internal temperature is heated while moving into the inside of the hot air blower main body 1. At this time, the heat obstruction plate 23 is formed in a circular shape to cut a part of them horizontally, and are installed alternately with a predetermined interval, thereby interfering with the flow of heat to move between the heat circulation pipe 22 to delay the heat transfer Improve the thermal efficiency.

When the internal temperature of the hot air blower main body 1 is raised to the set temperature, the blower 8 is operated to supply air to the inside of the hot air blower main body 1.

When the blower 8 is operated to supply air to the inside of the warmer main body 1, the warm air inside increases the temperature in the facility through the hot air outlet 11.

On the other hand, when the temperature is higher than the set temperature, the ash discharge unit 6 is operated so that sawdust and pellet fuel are burned and treated with ash remaining 30 minutes after the motor 42 of the fuel supply unit 4 stops.

Prior to operating the re-discharge unit 6, the driving plate 352a of the drive shaft 352 is rotated by the driving of the motor 351, so that the fuel support plate 34 positioned above the drive gear 352a moves to the left side. At the same time, as the driven gear 354a of the driven shaft 354 rotates in the opposite direction of the drive shaft 352, the back support plate 36 positioned on the upper portion of the driven gear 354a is transferred to the right side.
The ashes of the fuel support plate 34 fall to the bottom of the combustion chamber 21 while being caught by the furnace 33, and the ashes of the ash support plate 36 fall to the bottom of the combustion chamber 21 while being caught by the side plate 313. .
The ash dropped to the bottom of the combustion chamber 21 is discharged to the outside while the conveying rod 63 rotated by the motor 62 transfers back and forth.

While the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include examples of many such variations.

1 is a front perspective view showing an automatic warmer using sawdust and pellet fuel according to the present invention.

Figure 2 is a rear perspective view showing an automatic warmer using sawdust and pellet fuel according to the present invention.

Figure 3 is a cross-sectional view showing the inside of the automatic hot air fan using the sawdust and pellet fuel according to the present invention.

4 is a view showing a heat dissipation box and a combustion unit of an automatic hot air heater using sawdust and pellet fuel according to the present invention.

5 is an exploded perspective view showing a combustion unit of an automatic hot air fan using sawdust and pellet fuel according to the present invention.

Figure 6 is a partially cut perspective view for showing the inside of the heat sink of the automatic hot air fan using the sawdust and pellet fuel according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: warmer body

    11: hot air balloon

    12: communication port

    13: temperature sensor

2: heat sink

    21: combustion chamber

    22: heat circulation tube

    23: thermal baffle

3: combustion unit

    31: body

         311: front plate, 312: thick plate, 313: side plate

    32: air supply pipe

    33: brazier

         331: support

    34: fuel support plate

         341: through hole

    35 power transmission member

         351: motor, 352: drive shaft, 352a: drive gear, 353: reduction gear, 354: driven shaft, 354a: driven gear

    36: ash support plate

4: fuel supply unit

    41: fuel supply pipe

    42: motor

    43: transfer screw

5: ignition unit

    51: connector

    52: spark plug

    53: electromagnet

6: ash discharge part

    61: ash discharge pipe

    62: motor

    63: transfer rod

7: combustion fan

8: blower

9: control unit

Claims (6)

A warmer main body 1 having a space formed therein and a hot air outlet 11 for discharging warm air on one side, and a communication hole 12 for discharging the smoke generated therein; It is installed inside the warmer main body 1, a combustion chamber 21 for the combustion of fuel is formed in the lower portion and a plurality of thermal circulation pipe 22 is installed therein circulating high temperature heat, the thermal circulation pipe A heat dissipation tube 2 in which a plurality of heat obstruction plates 23 are installed in a direction perpendicular to the 22; A combustion unit 3 inserted into the combustion chamber 21 of the heat dissipation tube 2 and igniting sawdust and pellet fuel supplied through the fuel supply unit 4; An ignition unit 5 which penetrates the heater fan body 1 and the heat dissipation tube 2 and automatically ignites fuel when the temperature is lower than the set temperature according to the set temperature of the controller 9; A ash discharging unit 6 for discharging the ash combusted by the combustion unit 3 to the outside; A combustion fan 7 for supplying air to the combustion unit 3 to activate ignition of the sawdust and pellet fuel; A blower (8) installed at an upper portion and a side of the warmer body (1) to supply external air into the warmer body (1); Control unit for controlling the warm air by controlling the operation of the combustion fan 7 installed in the air supply pipe 32 of the combustion unit 3, the ignition unit 5, the ash discharge unit 6, the blower (8) ( 9); The combustion unit 3 is installed in the longitudinal direction between the front and rear plates 311 and 312 and the front and rear plates 311 and 312, the body 31 consisting of both side plates 313 disposed at different heights, A cylindrical furnace 33 supported by a plurality of air supply pipes 32 connected to the outside of the side plate 313 to supply air, and both supporters 331 provided between the front and rear plates 311 and 312, and It is installed in the lower portion of the furnace 33 and the fuel support plate 34 formed with a plurality of through holes 341, and is installed in the lower portion of the fuel support plate 34 is operated left and right by the rotation of the power transmission member 35 An automatic warmer using sawdust and pellet fuel, characterized in that consisting of ash support plate 36 for dropping the ash discharged through the fuel support plate 34 to the bottom of the combustion chamber (21). According to claim 1, wherein the heat blocking plate 23 is a circular cut to form a part of the horizontal, automatic hot air heater using a sawdust and pellet fuel, characterized in that installed alternately with a predetermined interval. delete According to claim 1, The power transmission member 35 is rotated by the drive of the motor 351, a plurality of drive shafts 352 are provided with a pair of drive gears (352a) spaced apart from each other, and the drive shaft of the one side ( Automatically using sawdust and pellet fuel, characterized in that it is rotated in connection with a plurality of reduction gear (353) connected to 352, a pair of driven gear (354a) is composed of a plurality of driven shaft 354 is installed spaced apart from each other Warmer. The ash discharging unit 6 is a spring shape which is installed in the ash discharging pipe 61 communicating with the combustion chamber 21 and inside the ash discharging pipe 61 and rotated by a motor 62. Automatic heating fan using sawdust and pellet fuel, characterized in that consisting of a transfer rod (63). The sawdust according to claim 1, wherein the ignition unit (5) comprises an ignition plug (52) inserted into the plurality of connection pipes (51) penetrating the combustion chamber (21) to ignite fuel. And an automatic warmer using pellet fuel.

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