KR100899185B1 - Pyrolysis and combustion system for apparatus for solid fuel - Google Patents

Abstract

The present invention is to supply fuel through a solid fuel inlet installed in one side of the middle portion of the cylindrical shape and then the high-speed rotary injection of the combustion air to pyrolyze the fuel to maximize the combustion efficiency, and can also prevent the generation of harmful gases The present invention relates to a solid fuel pyrolysis and combustion device that can improve the efficiency and efficiency by compacting the entire structure and reducing the footprint.

The present invention is a granular cyclone pyrolysis furnace in which pyrolysis of solid fuel is made therein; A fuel input device installed at one side of the pyrolysis furnace to inject solid fuel into the pyrolysis furnace; And a plurality of gas supply nozzles installed on the lower side of the pyrolysis furnace to rotate the high speed rotary injection of the combustion gas into the pyrolysis furnace.

Pyrolysis combustion device, vertical type, fuel inlet, high speed rotary injection, solid fuel

Description

Pyrolysis and Combustion System for Apparatus for Solid Fuel}

The present invention relates to a solid fuel pyrolysis and combustion apparatus, and more particularly, a solid fuel pyrolysis apparatus that supplies fuel through a solid fuel inlet installed at one side of a cylindrical portion in a cylindrical shape, and then burns the combustion air at high speed to spray the fuel at a lower portion thereof. To improve the combustion efficiency by burning the fuel while improving the combustion efficiency, pyrolysis gas into solid fuel and reducing the generated NOx to pyrolysis gas, which is eco-friendly, and compacts the entire structure and reduces the installation area, which is economical and solid fuel pyrolysis. And a combustion device.

Recently, technologies using various energy sources have been developed due to oil price hikes. In particular, plans and policies for using wastes including wastes as energy sources are rapidly progressing. Eco-friendly and economical technology development in the field of boiler technology is required.

In general, solid fuel using waste is divided into RDF made from household waste, RPF made from waste synthetic resin such as industrial waste, and TDF made from waste tires, and both of these solid fuels can be used. The combustion method is not yet developed. The present invention uses a combustion device based on the principle of pyrolysis (gasification) incineration, and only inputs low heat generation RDF or only TDF containing wire and high residual carbon, or only high heat generation RPF. Therefore, the fuel input amount is automatically adjusted according to the load, and the combustion speed is adjusted accordingly, thereby enabling the use of both low calorific fuel and high calorific fuel (2,000 to 10,000 kcal / kg LHV).

The conventional technique is applicable to RDF to some extent in the case of solid fuel boiler using Stoker type, but is inadequate when burning RPF. Many of them are not suitable for combustion and cannot be applied.

The present invention has been made to solve the above problems, by adjusting the combustion air in the lower part, RDF, TDF having a lot of residual carbon components suitable for complete combustion, and moreover, residual carbon not completely burned in the pyrolysis furnace The ash combustion unit was installed at the bottom of the transfer unit to reburn the fuel to maximize the energy efficiency of the fuel by completely burning residual carbon.In the case of the combustion of RPF, which is a high calorific value, the air in the lower part is controlled to generate a certain amount of pyrolysis gas. The purpose of the present invention is to provide a solid fuel pyrolysis and combustion apparatus capable of adapting the load as well as complete combustion, since the required amount of pyrolysis gas is always supplied to the gas combustion furnace.

Pyrolysis and combustion apparatus according to the present invention for achieving the above object, the granular cyclone pyrolysis furnace in which the pyrolysis of the solid fuel therein; A fuel injection device installed at one side of the pyrolysis furnace to inject the solid fuel into the pyrolysis furnace; And a plurality of gas supply nozzles installed on the lower side of the pyrolysis furnace to rotate the high speed rotary injection of combustion gas into the pyrolysis furnace.

Here, an ash combustion unit including a plurality of combustion air supply nozzles for burning residual carbon of the solid fuel that is not completely burned in the pyrolysis furnace may be formed at a lower portion of the pyrolysis furnace.

At this time, the ash combustion unit, a plurality of the combustion air supply nozzles are installed in the lower portion of the pyrolysis furnace for burning the residual carbon, the rotatable ash combustion discharge rotary plate and the combustion ash can be discharged downward by a predetermined amount. Part of the image is installed in an open form so as to include a rotatable rotor blade (high sand) for ash discharge.

In addition, the ash combustion circular image has a plurality of circular beds are formed in one or more stages of a circular staircase, the combustion air supply nozzle is installed at the outer end of the bed so that the combustion air is downward, the rotary wing Is preferably formed in a substantially conical shape corresponding to the ash combustion circle image.

In addition, the ash combustion circular image is formed in a flat ash circular image is provided with a plurality of grooves or projections on the upper surface in the shape of a disc, the ash combustion air nozzle is injected downward so that dry liquid or ash is not introduced. The rotating blades are coupled to the plurality of ash discharge plates corresponding to the grooves of the planar ash circular image to protrude, and may be formed of a rotational water cooling pipe to prevent overheating and crank generation.

On the other hand, the pyrolysis furnace is preferably formed by the bypass portion for bypassing the gas generated in the ash combustion unit to the pyrolysis furnace, the bypass portion is provided with a control gate for controlling the flow rate of the gas passing through It is good.

In addition, the upper portion of the pyrolysis furnace is preferably provided with a gas combustion furnace for burning the gas generated from the pyrolysis furnace.

In this case, an auxiliary burner for burning the gas may be installed in the gas combustion furnace, and a vortex jaw may be installed on an intermediate inner wall through which the gas passes through the gas combustion furnace, and the vortex jaw may be installed in the gas combustion furnace. In order to induce rotation of the gas passing through, it is preferable that a plurality of turbine blades are installed on the inner wall of the gas combustion furnace.

In addition, between the gas combustion furnace and the pyrolysis furnace, a plurality of high speed rotary spray type combustion air mixing nozzles for burning the pyrolysis gas as a gas burner function may be installed.

The fuel injection device may include a hopper for injecting the solid fuel from the outside, and a transfer screw connected to the hopper to transfer the solid fuel to the pyrolysis furnace.

In this case, a transfer screw moving device may be installed in the transfer screw such that an end portion of the transfer screw can move forward or backward to an inner middle portion of the pyrolysis furnace.

In addition, the fuel injection device is a fire door that is installed to prevent the heat flow back to the pyrolysis furnace when the fuel injection is stopped when stopped, the hopper gate and water-cooled injection is installed to open and close the hopper to block the outside At least one of the nozzles.

On the other hand, the plurality of gas supply nozzles, it is preferable that the end of the gas supply nozzle is fixed to the inner middle portion of the thermal path is installed, or the nozzle moving device is installed to enable the forward or retreat. At this time, the gas supply nozzle is inclined at a predetermined angle it is preferable that the rotational air is generated during high-speed injection to cause a tornado phenomenon.

In addition, the lower portion of the pyrolysis furnace, a plurality of spaced apart in the horizontal direction and penetrated through the pyrolysis furnace and rotatable pipe, in combination with the pipe to support the combustion material of the solid fuel pyrolytic combustion in the pyrolysis furnace and ash It is preferred that a rotational drive grate be provided that includes a removable pin.

In addition, the outer wall of the pyrolysis apparatus may be formed of at least one selected from a refractory material or a water cooling jacket, or a refractory material and a water cooling jacket may be installed in duplicate.

Through the problem solving means as described above, the solid fuel pyrolysis and combustion apparatus according to the present invention can provide the following effects.

First, it is supplied through a solid fuel injector installed on one side of the middle part, and is pyrolyzed from the bottom to be transferred to the upper part, thereby minimizing dust content by minimizing the conveying air velocity to the upper part and introducing a large amount of pyrolysis gas into the gas combustion furnace. As a result, NOx generated in the lower portion can be reduced.

Second, when two or more solid fuels are mixed, it is suitable to adjust the combustion speed according to the load.

Third, dust generated during pyrolysis can be screened by the upper fuel and allowed to fall in the chamber to minimize contamination of the boiler and prevention facilities.

Fourth, the gas combustion furnace can maximize the combustion efficiency by supplying the combustion air to increase the combustion efficiency to maximize the mixing and effective volume of the gas.

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Hereinafter, a solid fuel pyrolysis and combustion apparatus according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

1 is a schematic side cross-sectional view of a pyrolysis and combustion apparatus according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line II of the pyrolysis and combustion apparatus shown in FIG. 1, and FIG. 3 is a pyrolysis shown in FIG. And a cross-sectional view along line AA showing an air supply nozzle in a combustion device.

In addition, Figure 4 is a cross-sectional view taken along the line CC for showing the rotational drive Great shown in Figure 1, Figure 5 is a view for showing the operation of the air supply nozzle in the pyrolysis and combustion apparatus shown in Figure 1, 6 is a view seen from the direction D to show the nozzle moving device of the air supply nozzle of FIG.

FIG. 7 is a view along line EE in the pyrolysis and combustion apparatus shown in FIG. 1, and FIG. 8 is a view viewed from the G direction to show an ash burner in the pyrolysis and combustion apparatus illustrated in FIG. 1, and FIG. 9. And FIG. 10 is a view along the FF line and the HH line in the pyrolysis and combustion apparatus shown in FIG. 1.

FIG. 11 is another view along the line EE in the pyrolysis and combustion apparatus shown in FIG. 1 and is replaced with FIG. 7, and FIG. 12 is a view showing the ash combustion unit in the pyrolysis and combustion apparatus shown in FIG. 8 is a view opposite to FIG. 8 as viewed from the G direction.

First, referring to Figure 1, the solid fuel pyrolysis and combustion apparatus according to a preferred embodiment of the present invention, the pyrolysis furnace 100 is a pyrolysis of the solid fuel in the interior and the pyrolysis furnace 100 is installed on one side of the It includes a fuel input device 200 for injecting the solid fuel into the pyrolysis furnace 100 and a plurality of air supply nozzles 300 installed in the lower portion of the pyrolysis furnace 100 to control the pyrolysis.

The pyrolysis furnace 100 has a structure capable of blocking external air as much as possible in the form of a cyclone in the form of solid, and the solid fuel is input by the fuel input device 200 installed at one middle portion, and the solid fuel supplied from the middle portion is pyrolyzed. In the stacked state from the bottom of the furnace 100 is a continuous supply of solid fuel and pyrolysis is made.

The plurality of air supply nozzles 300 are installed to be inclined at a predetermined angle on an outer wall of the pyrolysis furnace 100 to inject air at a high speed into the pyrolysis furnace 100, thereby into the pyrolysis furnace 100. When air is supplied, the high speed air rotates, causing a tornado-like effect to pyrolyze the solid fuel.

Furthermore, in the present invention, the nozzle moving device 310 is installed to allow the end of the air supply nozzle 300 to move forward or backward to the inner middle portion of the pyrolysis furnace 100, and the nozzle moving device 310 is extended. It can be formed of a rod and a cylinder that can be overshrunk.

In detail, the plurality of air supply nozzles 300 may be formed of a water cooling jacket and installed in a fixed depth, and may be transported to inject air while moving forward and backward, ie, reciprocating with respect to the pyrolysis furnace 100. Therefore, the air can be supplied evenly.

Here, the ash combustion unit 130 including a plurality of air supply nozzles 136 for burning the residual carbon of the solid fuel is not completely burned in the pyrolysis furnace 100 in the lower portion of the pyrolysis furnace 100 Can be formed.

In this case, the ash combustion unit 130 is located in the lower portion of the pyrolysis furnace 100, the ash combustion circle image 132 and the ash combustion circular image 132 is provided with a plurality of air supply nozzles 136 for burning the residual carbon, the ash The upper part of the combustion unit 130 is installed in a part so that the air injected from the air supply nozzle 136 is discharged to the outside, and includes a rotatable rotary blade 134.

The ash combustion circle image 132 may be composed of at least one bed. For example, the ash combustion circle image 132 may be a single bed of a circular bed or a single bed of a stepped shape, or two or more round beds. It can be formed in a circular staircase. At this time, the air supply nozzle 136 is installed at the outer end of the bed so that the air is injected downward, the rotary blade 134 is a conical cone corresponding to the ash combustion circle image 132 of the circular staircase shape. It is good to be formed in the shape.

That is, the circular combustion-shaped ash combustion circle image 132 is installed at the lower portion of the pyrolysis furnace 100, and allows the air to be blown into a dual structure made of a water cooling jacket, thereby burning residual carbon in the lower portion. , The air supply nozzle 136 is provided with a nozzle hole downward so that ash (ASH) and dry liquid does not flow. The ash combustion circle image 132 is rotated by adjusting the speed by the hydraulic motor 135, and the ash is transferred to the lower ash combustion unit by a certain amount by the ash removal plate at the bottom.

In addition, a circular stepped bed 133 having an air supply nozzle 136 attached to the bottom of the pyrolysis furnace 100 is installed, and a part of the bed 133 is opened to penetrate the ash burning part of the lower part, and ash to this part. Scrape and discharge, the rotary blade 134 can prevent the crank in the water-cooled jacket type. Here, the crank refers to a molten mass of solid fuel agglomerated by high temperature.

On the other hand, as shown in Figure 11 and 12, the ash burner is different from the ash burner 130 of the ash-burning image 132 and the rotary blade 134 of the circular staircase shown in Figures 7 and 8 For example, a flat ash circular image in which a plurality of grooves or protrusions are formed in a circle shape with a circle about the center, and the ash combustion air nozzles 132a are sprayed downward so as not to introduce dry liquid or ash. 133a and a rotational water cooling pipe which is formed on the top of the planar ash circular image 133a and is formed by branching radially with respect to the central axis in order to prevent overheating and crank generation. 134a and a plurality of ash discharge plates 134b (high sand) protrudingly coupled to the lower portion of the rotational water cooling pipe 134a to correspond to the grooves of the planar ash circular image 133a.

In this case, the planar ash circular image 133a may be formed by cutting a portion thereof. In this case, the rotation of the water-cooled pipe 134a is rotated by the motor 135, so that the ash discharge plate 134b has a predetermined amount of ash. It may be transferred to the cut portion of the ash circular image 133a and finally to the ash box part 150 (see FIG. 7).

On the other hand, in the pyrolysis furnace 100, a bypass unit for connecting the ash combustion unit 130 and the pyrolysis furnace 100 to bypass the gas generated from the ash combustion unit 130 to the pyrolysis furnace 100. 140 may be provided, and in this case, the bypass unit 140 may be provided with control gates 142 and 144 for controlling the flow rate of the gas that is passed through.

The control gate is composed of the ash combustion gas discharge damper 142 and the driving cylinder 144.

A gas combustion furnace 400 for burning gas generated from the pyrolysis furnace 100 is installed at an upper portion of the pyrolysis furnace 100.

At this time, the gas combustion furnace 400, the air supply for burning the gas generated in the pyrolysis furnace 100 is installed, the unburned gas is completely burned by this air. In addition, in order to increase the gas combustion efficiency, the turbine blade-type vortex jaw 430 is installed on the intermediate inner wall through which the gas of the gas furnace 400 passes, thereby improving the flow velocity by rotating the gas passing through the inner wall of the gas furnace 400. Both the central part and the central part balance the gas flow rate to maximize the residence time.

In detail, the vortex jaw 430 may be installed to be inclined in the form of a turbine blade on the inner wall of the gas combustion furnace 400 in order to effectively induce rotation of the gas passing through the gas combustion furnace 400. Accordingly, it is possible to maximize the combustion efficiency by promoting the mixing of the pyrolysis gas and air and maximizing the effective volume in the combustion chamber under the same conditions.

In addition, between the gas combustion furnace 400 and the pyrolysis furnace 100, an air mixing nozzle 410 is installed to facilitate the mixing of air and gas injected at high speed by the air mixing nozzle 410. Optimize the combustion of pyrolysis gases. In addition, the gas combustion furnace 400 may be provided with an auxiliary burner 420 for increasing the temperature during initial operation.

The fuel injection device 200 is connected to the hopper 210 for injecting solid fuel such as RDF, RPF, TDF, FLUFF from the outside, and the hopper 210 to transfer the solid fuel to be introduced into the pyrolysis furnace 100. It includes a transfer screw 220.

Here, the fuel input device 200 is a fire door which is installed to prevent the inflow of air or the heat flow of the pyrolysis furnace 100 at the time of initial operation or stop, opening and closing in the hopper 210 to be blocked from the outside. At least one of the hopper gate 212 and the water-cooled injection unit may be installed.

The transfer screw 220 is provided with a transfer screw moving device 240 so that the end of the transfer screw 220 can be moved forward or backward to the inner middle portion of the pyrolysis furnace 100.

On the upper portion of the ash combustion unit 130, a plurality of pipes 122 are rotatably spaced in the horizontal direction and penetrated and disposed in the pyrolysis furnace 100, and the pipe 122 is combined with the pyrolysis furnace 100 It is preferable to provide a rotary drive great 120 including a pin 124 to support the combustion material of the solid fuel that is pyrolytically burned at and removes ash.

In detail, the rotary drive great 120 is installed to support the combustion material by installing the lower portion of the pyrolysis furnace 100 and periodically to shake off the ash generated from the lower portion to increase the combustion efficiency and prevent the crank phenomenon. As an apparatus, both ends of the water-coolable pipe 122 are installed through the pyrolysis furnace 100 by the support 126 installed outside the pyrolysis furnace 100, and the pipe 122 is pyrolysis furnace 100. Attach the pin 124 from the inside of the ash to shake off the outside can be rotated (continuous rotation possible) every predetermined time by a drive such as a gear.

Furthermore, the outer wall of the pyrolysis furnace 100 constituting the solid fuel pyrolysis and combustion apparatus according to the present invention may be formed in a layer structure by selecting at least one selected from a refractory material and a water cooling jacket or forming a refractory material and a water cooling jacket in double. .

Thus, the operation of the solid fuel pyrolysis and combustion apparatus according to the preferred embodiment of the present invention of the above structure is as follows.

First, when the solid fuel is supplied through the fuel input device formed on the side of the granular pyrolysis furnace 100, it is initially ignited by the ignition burner 110 and after ignition is burned by the air supplied from the air supply nozzle 300. do.

When combustion proceeds to some extent, hot gas is generated, and the hot gas generated in this way moves to the upper portion and heats solid fuel in the pyrolysis furnace 100 to promote pyrolysis.

At this time, the solid fuel pyrolysis and combustion apparatus according to the present invention has a structure in which external air is sealed, so that the solid fuel in the pyrolysis furnace 100 can pyrolyze in a low oxygen state.

As described above, when the solid fuel is pyrolyzed in the pyrolysis furnace 100, gas is generated, and the generated gas is moved to the gas combustion furnace 400 connected to the upper portion of the pyrolysis furnace 100 to be injected at high speed. It burns by and completely burns unburned gas remaining in the gas.

In addition, in the gas combustion furnace 400, unburned residual gas is rotated by the air nozzle 410 into the gas combustion furnace 400 to be burned and decomposed at a certain residence time, and to remove NOx generated during solid fuel combustion. A spray device capable of spraying urea water may be provided, thereby removing NOx by approximately 70% or more.

On the other hand, the inner temperature of the lower portion of the pyrolysis furnace 100 is about 800 ℃ to 1200 ℃, the upper chamber is operated at approximately 600 ℃ to 900 ℃, the upper gas combustion furnace 400 is approximately 950 ℃ to 1100 ℃ The temperature in the pyrolysis furnace 100 is controlled by the air supply nozzle 300 at the bottom, and the temperature of the gas combustion furnace 400 is controlled by the air supplied by the air supply nozzle 410. Adjusted.

Combustion air generated in the ash combustion unit 130 is discharged to the upper portion of the pyrolysis furnace 100 through the bypass unit 140, the amount of exhaust gas is controlled by the gas amount control gate.

The solid fuel pyrolysis and combustion apparatus according to the present invention as described above, as a device for the combustion of the separated solid fuel with environmentally friendly efficiencies, it is more compact than the conventional pyrolysis (gasification) incineration device to reduce the production cost and maintenance costs It is economical and can reduce the installation area, and its utility value is high.

In addition, the present invention is to continuously input the solid fuel from one side of the middle portion of the pyrolysis furnace 100 through the fuel input device 200, the injected fuel is to start the combustion in the lower portion and to thermally decompose the upper fuel by this heat, Solid fuels separated and refined have higher calorific value than waste but small size and less combustion, so complete combustion is possible even with small floor area (large floor heat load applied).

In addition, the solid fuel input device 200 including the transfer screw 220 is made of a water-cooled jacket and is located on one side of the cyclone-type vertical pyrolysis furnace 100 to be transported to the inside of the center when fuel is supplied to the pyrolysis furnace 100 ) supplied to the center and the combustion stop when there is discharged to the outside, wherein the fire protection water door is installed or isolated from the outside by a hopper gate 212 to prevent the heat from flowing back to the fuel input unit 200 and the water spray Safety devices may be installed.

In addition, since the high temperature gas generated in the lower portion may generate a large amount of NOx, the pyrolysis gas containing a large amount of pyrolysis gas (CO, H ₂ , CH) passes through the upper chamber 100 so as to be passed by the pyrolysis gas. NOx was reduced, and in order to take advantage of the pyrolysis and combustion apparatus, the pyrolysis furnace 100 was enlarged by using a cyclone method to minimize the velocity of the generated gas, thereby minimizing the transfer of dust to the gas combustion furnace.

Therefore, in the solid fuel pyrolysis and combustion apparatus according to the present invention, the solid fuel is injected from one side in a vertical pyrolysis furnace 100 and air is rotated at high speed to burn the lowest solid fuel, and the heat of pyrolysis of the upper solid fuel is burned. Let's do it. Pyrolyzed high-temperature gas is transferred to the upper portion of the pyrolysis furnace 100 while pyrolyzing the injected solid fuel, and the gas is introduced into the gas combustion furnace 400 installed at the upper portion to completely mix with air. In addition, the unburned fraction including the residual carbon remaining in the pyrolysis may be burned by the air of the lower air supply nozzle 136 again.

In the present specification and drawings, preferred embodiments of the present invention have been disclosed, and although specific terms have been used, these are merely used in a general sense to easily explain the technical contents of the present invention and to help the understanding of the present invention. It is not intended to limit the scope. In addition, the above-described embodiments are merely exemplary, and various modifications and equivalent other embodiments may be made by those skilled in the art.

1 is a schematic side cross-sectional view of a pyrolysis combustion apparatus according to an embodiment of the present invention;

2 is a cross-sectional view taken along the line I-I of the pyrolysis combustion apparatus shown in FIG.

3 is a cross-sectional view taken along line A-A showing a high-speed rotary jet air supply nozzle in the pyrolysis combustion apparatus shown in FIG. 1;

4 is a cross-sectional view taken along line C-C to show the rotational driving greats shown in FIG.

5 is a view for showing the operation of the high-speed rotary injection type air supply nozzle in the pyrolysis combustion apparatus shown in FIG.

Figure 6 is a view from the D direction to show the nozzle moving device of the high-speed rotary injection type air supply nozzle of FIG.

7 is a view along line E-E in the pyrolysis combustion apparatus shown in FIG.

8 is a view viewed from the direction G to show the ash burner in the pyrolysis combustion apparatus shown in FIG.

9 and 10 are views taken along line F-F and line H-H in the pyrolysis combustion apparatus shown in FIG.

FIG. 11 is a view taken along line E-E in the pyrolysis combustion apparatus shown in FIG. 1, as opposed to FIG. 7;

FIG. 12 is a view opposed to FIG. 8 and is viewed from the G direction to show the ash combustion unit in the pyrolysis combustion apparatus shown in FIG. 1.

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

100 ... pyrolysis 110 ... burner

120 ... Rotary Drive Great 122 ... Pipe

124 ... pin 126 ... support

130 ... Ash burning unit 132 ... Ash burning circle

132a ... Ash combustion air nozzle 133 ... Bad

133a ... flat ash circle image 134 ... rotary blades

134a ... Rotating Water Cooling Pipe 134b ... Ash Discharge Plate (Kore)

135,230 ... Motor 136 ... Air supply nozzle

140 ... Bypass unit 142 ... Ash combustion gas discharge damper

144 ... drive cylinder 150 ... ash box part

200 ... Fuel input device 210 .. Hopper

212 .. Hopper gate 220 ... Transfer screw

240 ... Feed screw shifter 300 ... Air supply nozzle

310 ... Nozzle Shifter 400 ... Gas Combustion Furnace

410 Air Mixing Nozzle 420 Auxiliary Burner

430 ... Voryuchin

Claims (15)

delete A vertical cyclone pyrolysis furnace in which pyrolysis of solid fuel is performed; A gas combustion furnace installed at an upper portion of the pyrolysis furnace and rotating and injecting gas generated from the pyrolysis furnace to combust; An ash combustion section including a plurality of air supply nozzles for burning residual carbon of the solid fuel which is not completely burned in the pyrolysis furnace at a lower portion of the pyrolysis furnace; A fuel injection device installed on one side of the pyrolysis furnace to automatically input the solid fuel to the pyrolysis furnace through a transfer screw; A plurality of air supply nozzles installed on a lower side of the pyrolysis furnace to spray the air at high speed into the pyrolysis furnace; And And a plurality of air mixing nozzles installed between the pyrolysis furnace and the gas combustion furnace to inject air at high speed. The method of claim 2, The ash burner, An ash combustion circle image positioned below the pyrolysis furnace and provided with a plurality of air supply nozzles for burning the residual carbon; Solid fuel pyrolysis and combustion apparatus, characterized in that it comprises a rotatable rotary blade is installed in a part so that the air injected from the air supply nozzle from the upper portion of the ash combustion source image to be discharged to the outside. The method of claim 3, The ash combustion circle image has a plurality of circular beds are formed in one or more stages of a circular staircase, the air supply nozzle is installed on the outer end of the bed to inject the air downward, And the rotary blade is formed in a substantially conical shape corresponding to the ash combustion circle image. The method of claim 3, wherein The ash combustion circular image is formed in a flat ash circular image is provided with a plurality of grooves or protrusions on the upper surface in the shape of a disc, the ash combustion air nozzle is injected downward so that dry liquid or ash is not introduced, The rotary blade, a plurality of ash discharge plate corresponding to the groove of the planar ash circular image is coupled to protrude, solid fuel pyrolysis and combustion apparatus, characterized in that formed of a rotational water cooling pipe to prevent overheating and crank generation . The method of claim 2, The pyrolysis furnace further includes a bypass unit for bypassing the gas generated in the ash combustion unit to the pyrolysis furnace, and a gate for controlling a gas flow rate passing through the bypass unit. And combustion apparatus. delete The method of claim 2, The gas combustion furnace An auxiliary burner for increasing the temperature during initial operation is installed, and solid fuel pyrolysis and combustion apparatus, characterized in that a plurality of turbine wing-type vortex jaw is installed in the middle of the gas passing through the gas combustion furnace. delete delete delete The method of claim 2, Solid feed pyrolysis and combustion apparatus characterized in that the transfer screw is installed in the transfer screw so that the end of the transfer screw is moved forward or backward to the inner middle portion of the pyrolysis furnace. delete The method of claim 2, The plurality of air supply nozzles, Solid fuel pyrolysis and combustion apparatus, characterized in that the nozzle moving device is installed so that the end of the air supply nozzle is advanced or retracted to the inner middle portion of the pyrolysis furnace. The method of claim 2, At the bottom of the pyrolysis furnace, A plurality of pipes rotatably disposed in the pyrolysis furnace and spaced apart in a horizontal direction; Solid fuel pyrolysis and combustion apparatus characterized in that the rotary drive is provided in combination with the pipe to support the combustion material of the solid fuel that is pyrolytically burned in the pyrolysis furnace and includes a pin capable of removing ash.

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