KR101062487B1 - Energy recovery device using pyrolysis - Google Patents

Abstract

According to the present invention, after the waste or waste materials are put into a furnace having a front surface, a back surface, both sides, a ceiling, and a floor including a heat insulation layer, the recycled material is pyrolyzed by indirect high temperature, and then pyrolysis is performed. An energy recovery apparatus using pyrolysis configured to obtain a liquid regenerated fuel through a process of heat-exchanging the extracted steam state in a flocculation means, wherein the space inside the furnace is partitioned into upper and lower portions while at an intermediate point. The left heat plate and the right heat plate are divided into two sides toward each side, and at least one point of the left heat plate and the right heat plate has a free fall point having a height difference. Heat play formed in a curved shape with one or more mountains and valleys Agent; A heating chamber heated by a burner provided on a side of the heating furnace to a space below the heat plate; A pyrolysis chamber in which pyrolysis is realized by high heat in which the regenerated raw material introduced through the regenerated raw material inlet installed in the upper part of the front or rear side of the heating plate is transferred to the space above the heat plate; A heating pipeline in which the fire induced by the inside of the heating chamber is piped in a refracted form so that the fire flows from the lower side to the upper side along the inner side of the front and rear walls of the heating furnace; A rotary means installed in the front and rear direction of a plurality of rotary units in the interior of the pyrolysis chamber under the regeneration material inlet so that the regeneration material introduced from the regeneration material inlet is evenly dispersed; And a residue upward conveying screw which is rotated so that the residue is conveyed from both side sides to the intermediate side along the valley of the heat plate, and the residue conveyed to the middle portion side of the pyrolysis chamber through both residue upward conveying screws. From the residue hopper to the outside of the furnace, a residue hopper is installed in a separate space in the middle part of the heating chamber so that the water descends and merges, while the residue accumulated in the residue hopper is discharged to the outside of the furnace. Residue discharge feed screw is installed, but the residue upward feed screw is separated into the first up feed screw and the second up feed screw at the free fall points formed on the left heat plate and the right heat plate, so that the residence time of the residue is extended. Water discharge means; The configuration is made, including.

Regeneration, Pyrolysis, Renewable Fuel, Heating, Energy, Recovery

Description

Energy recovery system using pyrolysis {Pyrolytic Energy Recovery System}

The present invention relates to an energy recovery apparatus using pyrolysis, and more particularly, heat is introduced into a pyrolysis chamber in a process of pyrolyzing a recycled raw material consisting of various wastes or waste materials in a high temperature pyrolysis chamber to extract useful energy. Energy recovery using pyrolysis not only ensures even transfer, but also reduces heat loss in the process of residues after pyrolysis and increases the residence time of the residues in the pyrolysis chamber to reduce emissions of incompletely pyrolyzed residues. Relates to a device.

With the development of industrial technology, many kinds of industrial products are made of synthetic resins, mainly fossil fuels, and as the energy consumption increases, the time for fossil fuel exhaustion is approaching. On the other hand, environmental pollution is getting serious due to a large amount of waste generated in the process of discarding industrial products made of synthetic resins. As a result, on a global scale, energy conservation has been implemented, and segregation of all recyclables has been regulated.

As a result of the present applicant's devotion to developing devices for extracting recycled oil useful in the process of pyrolysis of wastes in a high temperature pyrolysis chamber in view of energy conservation and recycling of wastes, In the meantime, several patents have been filed with the Korean Patent Office. The technologies related to the energy recovery apparatus using the pyrolysis developed by the applicant include the 'raw material pyrolysis oil regeneration device' of Korean Patent Application Publication No. 10-2007-0047270 and the 'raw material pyrolysis oil regeneration of Korean Patent Application Publication No. 10-2007-0053193. Device '.

According to the energy recovery apparatus using the conventional pyrolysis as described above, the pyrolysis is performed in the process of indirectly transferring the high temperature heat heated in the burner to the recycled materials such as waste or waste raw materials that are introduced into the pyrolysis chamber. Condensation takes place while the steam extracts generated in the process are cooled, while residues after pyrolysis are discharged by means of a residue discharge means installed as a screw type under the pyrolysis chamber.

On the other hand, the applicant has the fact that in addition to the energy recovery device using the pyrolysis as in the above-described example, developed an energy recovery device using a more improved form of pyrolysis and filed with the Republic of Korea Patent Office. Examples thereof include Korean Patent Application No. 10-2008-27437, Application No. 10-2008-27438, and Application No. 10-2008-27439.

As can be seen from the above-mentioned many published patents and a number of pending patents, the applicant has pyrolyzed in a state in which recycled raw materials such as waste or waste materials are put into a pyrolysis chamber in order to efficiently obtain useful fuel from waste or waste materials. There is a great deal of investment in the development and improvement of energy recovery devices and their peripheral devices using pyrolysis, which allows pyrolysis to occur as the chamber surroundings are indirectly exposed to high temperature heat.

The present invention was devised in consideration of the above-described circumstances of the prior art, and recycled raw materials such as waste or waste materials in the process of pyrolyzing various waste or waste materials in a high temperature pyrolysis chamber to extract useful fuel. It is an object of the present invention to provide an energy recovery apparatus using pyrolysis in order to more efficiently transfer heat of a burner around a pyrolysis chamber into which is injected.

Another object of the present invention is to heat the burner along the wall of the pyrolysis chamber into which various wastes or waste materials are recycled in a high temperature pyrolysis chamber, so that the heat of the burner is recycled at a predetermined pressure or less. It is to provide an energy recovery device using pyrolysis that can reduce the loss.

In addition, another object of the present invention is to thermally decompose various wastes or waste materials in a high-temperature pyrolysis chamber so that useful oil is extracted, and the residues after the recycling of waste materials or waste materials such as pyrolysis are carried out to the outside. It is an object of the present invention to provide an energy recovery apparatus using pyrolysis that not only reduces heat loss when discharged, but also causes incompletely pyrolyzed recycled raw materials or residues to be discharged out of the pyrolysis chamber.

The present invention configured to achieve the above object is as follows. That is, in the present invention, after the waste or waste materials are put into the furnace, the front, back, both sides, the ceiling, and the bottom of the heating wall constructed with a heat insulating layer, the recycled material is pyrolyzed by indirect high temperature. An energy recovery apparatus using pyrolysis configured to obtain a liquid regenerated fuel through a process of heat-exchanging pyrolyzed steam extract in a flocculation means, wherein the space inside the furnace is divided into upper and lower portions, The left heat plate and the right heat plate are divided into the left heat plate and the right heat plate from the point, and at least one point of the left heat plate and the right heat plate has a free fall point having a height difference. Heat formed in a curved shape with one or more mountains and valleys in the direction Rate; A heating chamber heated by a burner provided on a side of the heating furnace to a space below the heat plate; A pyrolysis chamber in which pyrolysis is realized by high heat in which the regenerated raw material introduced through the regenerated raw material inlet installed in the upper part of the front or rear side of the heating plate is transferred to the space above the heat plate; A heating pipeline in which the fire induced by the inside of the heating chamber is piped in a refracted form so that the fire flows from the lower side to the upper side along the inner side of the front and rear walls of the heating furnace; A rotary means installed in the front and rear direction of a plurality of rotary units in the interior of the pyrolysis chamber under the regeneration material inlet so that the regeneration material introduced from the regeneration material inlet is evenly dispersed; And a residue upward conveying screw which is rotated so that the residue is conveyed from both side sides to the intermediate side along the valley of the heat plate, and the residue conveyed to the middle portion side of the pyrolysis chamber through both residue upward conveying screws. From the residue hopper to the outside of the furnace, a residue hopper is installed in a separate space in the middle part of the heating chamber so that the water descends and merges, while the residue accumulated in the residue hopper is discharged to the outside of the furnace. Residue discharge feed screw is installed, but the residue upward feed screw is separated into the first up feed screw and the second up feed screw at the free fall points formed on the left heat plate and the right heat plate, so that the residence time of the residue is extended. Water discharge means; The configuration is made, including.

In the energy recovery apparatus using pyrolysis according to the present invention, a residue crushing rotary may be further installed inside the residue hopper of the residue discharge means for crushing the residue falling from the residue upward conveying screw.

In the energy recovery apparatus using pyrolysis according to the present invention, the plate supporter for supporting the heat plate may be installed at a predetermined interval inside the heating chamber.

In the energy recovery apparatus using the pyrolysis according to the present invention, the upper end of the first upstream screw and the lower end of the second upstream screw may be configured to continue the rotational power through the power transmission means.

In the energy recovery apparatus using pyrolysis according to the present invention, the first uplink screw and the second uplink screw may be configured to be driven by separate driving means.

In the energy recovery apparatus using the pyrolysis according to the present invention, the drive motor of the driving means for driving the second upward transfer screw is installed in a heat insulation chamber provided separately in the heating chamber, while in the heat insulation chamber to prevent thermal damage of the drive motor. Cooling means may be installed.

According to the energy recovery apparatus using pyrolysis according to the present invention, the heat is further heated around the pyrolysis chamber in which the recycled raw material is input in the process of indirectly heating high temperature heat to the recycled raw material such as fossil fuel waste or waste materials to induce pyrolysis. As it is efficiently delivered, there is an effect that the efficiency of pyrolysis of recycled raw materials can be greatly improved.

In addition, according to the energy recovery apparatus using pyrolysis according to the present invention, the residue after the pyrolysis of the recycled raw material is pyrolyzed in the process of pyrolyzing various wastes or waste materials in the high temperature pyrolysis chamber to extract useful regeneration oil. In addition to reducing the heat loss when discharged, there is an effect to reduce the discharge of the incompletely decomposed residues out of the pyrolysis chamber.

In addition, according to the energy recovery apparatus using pyrolysis according to the present invention, as the time for the residue to stay in the pyrolysis chamber is increased in the process of pyrolysis of the regeneration material, there is a great advantage that the pyrolysis efficiency of the regeneration material may be improved. .

Hereinafter, the configuration and operation of an energy recovery apparatus using pyrolysis according to the present invention will be described in more detail with reference to the accompanying drawings.

1 is a front configuration diagram of an energy recovery apparatus using pyrolysis according to an embodiment of the present invention, FIG. 2 is a cross-sectional configuration diagram of an energy recovery apparatus using pyrolysis according to an embodiment of the present invention, and FIG. 3 is AA shown in FIG. 2. Line cross-sectional block diagram, FIG. 4 is a BB line cross-sectional block diagram shown in FIG.

Reference numeral 100 denoted in the drawings indicates an energy recovery apparatus using pyrolysis according to an embodiment of the present invention, and reference numeral 200 indicates a heating furnace of the energy recovery apparatus using pyrolysis according to an embodiment of the present invention.

Energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention is composed of an organic combination of a plurality of components installed inside and outside the heating furnace 200 as shown in the figure . That is, the energy recovery apparatus 100 using pyrolysis includes a heating furnace 200 and a heating chamber in which an inner space is largely divided into a heating chamber 220 and a pyrolysis chamber 230 based on the heat plate 210 installed therein. 220 is installed inside the heating pipe line 300 and the pyrolysis chamber 230 which are installed along the walls of the front and rear surfaces of the pyrolysis chamber 230 so that the high temperature heat is evenly transferred to the pyrolysis chamber 230. Of the pyrolysis chamber 230 so that the recycled raw materials and residues introduced into the pyrolysis chamber 230 are cut or dispersed, and the residues after pyrolysis in the pyrolysis chamber 230 are discharged. The residue discharge means 500 and the pyrolysis chamber 230 installed on the lower side and the lower side of the heating chamber 220 are pyrolyzed by high temperature heat so that the extract of the vapor state generated by heat exchange is heat exchanged. extraction Components such as to condensing means 600, which is made comprises, by default.

As shown in FIG. 1, the above-mentioned agglomeration means 600 is used in the heat exchanger 620, which is a component, around the heating furnace 200 of the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention. Peripheral devices such as a water tank 630, a water cooler 640, and a cooling tower 650 may be installed to cool and supply the cooling water. On the other hand, on the circumference of the heating furnace 200 may be installed platform 110 and step 120, etc. to enable the passage of workers for maintenance of the peripheral devices.

The heating furnace 200 according to the embodiment of the present invention is made of a thick wall surface of the front, rear, both sides, the ceiling and the floor, but the heat of the internal space exposed to relatively high temperature compared to the outside is blocked from being radiated to the outside The walls on each side are constructed of multiple walls, including a thermal insulation layer. The wall surface of the heating furnace 200 may be made of an iron plate having excellent heat resistance, the inner layer and the outer layer forming the inside and the outside of the heat insulating layer based on the middle heat insulating layer stacked with refractory brick or ocher.

The heat plate 210 which divides the internal space of the heating furnace 200 into the heating chamber 220 and the pyrolysis chamber 230 according to an embodiment of the present invention is an intermediate height section of the internal space of the heating furnace 200. The steel plate with excellent heat resistance is installed in the cross-section of the shape rather than forming a flat shape, as shown in the drawing, the height is lowered toward both sides from the middle position of the heating furnace 200 as shown in the front and rear direction It consists of a curved form with one or more mountains and valleys. In the drawings for explaining an embodiment of the present invention is shown a curved example in the form of one each in the front and rear from the middle of the heat plate 210 as a starting point.

In particular, according to an embodiment of the present invention, the heat plates 210 respectively formed on both sides of the middle portion are configured to have a free fall point 212 having a difference in height at one or more points. In detail, as shown in the drawing, the left heat plate 210a and the right heat plate 210b are separately installed on the left side and the right side based on the middle of the heating furnace 200, and the left heat plate 210a is provided. At a predetermined position of the right heat plate 210b and the free fall point 212 is configured.

As described above, the heat plate 210 may be supported by a stable structure by the plate supporters 214 installed in a plurality at regular intervals in the heating chamber 220.

On the other hand, in the valley portion of the heat plate 210 is configured as described above, the residue upward transfer screw 510 of the residue discharge means 500 to be described later will be installed in the longitudinal direction of the valley.

In order to keep the inside of the heating chamber 220 according to an embodiment of the present invention at a high temperature, a burner 240 is installed at each outside of both sides of the heating furnace 200, and the burner 240 is provided. Fire that is generated in the configuration is made to flow into the heating chamber 220. Meanwhile, as shown in FIG. 2, the heating chamber 220 may have a structure separated by both sides by a residue hopper 520 which is a part of the residue discharge means 500.

On the inner upper portion of the heating chamber 220 according to an embodiment of the present invention, the lower end of the heating pipeline 300 is connected as shown in the figure. Heating pipeline 300 is a pipe in a zigzag form from the lower side to the upper side inside the pyrolysis chamber 230 while the upper end is installed in a structure exposed to the upper side of the heating furnace (200). Accordingly, the fire generated in the heating chamber 220 by the burner 240 functions to transfer heat to the pyrolysis chamber 230 along the heating pipeline 300. As described above, the fire that passed through the heating pipeline 300 is discharged to the outside of the heating furnace 200.

In the energy recovery apparatus 100 using pyrolysis in accordance with an embodiment of the present invention, the regeneration raw material inlet is formed at both upper sides of the heating furnace 200 so that regeneration raw materials such as waste or waste may be introduced into the pyrolysis chamber 230. 250) is provided. On the outer side of the regeneration raw material inlet 250 is provided with a compression cylinder 252, a piston 254, etc. to allow the regeneration raw material in a compressed state through a predetermined process as shown in FIG.

In order to facilitate the input of the regenerated raw materials through the regenerated raw material inlet 250 described above, a regenerated raw material transfer means 710 such as a conveyor may be installed between the regenerated raw material storage chamber 700 and the regenerated raw material hopper 720. Can be.

As described above, a portion of the firearm of the heating chamber 220 is guided to the front and rear wall sides so that the recycled raw material introduced through the recycled raw material inlet 250 installed at both upper sides of the heating furnace 200 can be more efficiently disassembled. Heating pipeline 300 is installed.

In the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention, the rotary raw material 400 for not only dispersing the finely divided regenerated raw materials into the pyrolysis chamber 230 through the regeneration raw material inlet 250 but also finely cutting them. A plurality of rotary 410 is installed across the interior of the pyrolysis chamber 230 in the lower portion of the regeneration raw material inlet 250 and the upper side of the heat plate 210 as some components of). The rotary 410 is formed in multiple layers at regular intervals in the vertical direction at the bottom of the regeneration raw material inlet 250 installed on both sides of the heating furnace 200, each layer may be arranged in plurality.

On the axis of the rotary 410 described above, a plurality of blades 412 are installed at regular intervals, and remain on a portion of the rotary 420 passing through a section in which residues are accumulated after combustion through the valleys of the heat plate 210. In order to facilitate the discharge of water, a blade 414 having a radius of rotation reaching the valley portion of the heat plate 210 may be further installed.

Residue discharge means 500 according to an embodiment of the present invention is installed along the valley portion of the heat plate 210, the residues accumulated on the heat plate 210 is heated on both sides of the heating furnace 200 On the top side of the heat plate 210 through the residue upward conveying screw 510, both residue upward conveying screw 510 which is set in a rotational direction that can be conveyed toward the middle portion side of the furnace 200 The residue hopper 520, which is installed as a separate space inside the heating chamber 220, and the residue accumulated in the residue hopper 520 so that the transferred residues are combined by falling, are external to the heating furnace 200. To the outside of the furnace 200 through a residue discharge transfer screw 530 and a residue discharge transfer screw 530 which are installed from the residue hopper 520 to the outer side of the furnace 200 to be discharged. Residue storage room where discharged residues are stored Etc., the configuration is made.

In the residue uptake screw 510, which is a component of the residue discharge means 500 according to the embodiment of the present invention, the heights of both ends of the left heat plate 210a and the right heat plate 210b are heated. Installation is made lower than the position of both ends located in the center portion of the (200).

In particular, the residue upward conveying screw 510 which is installed on both sides of the center portion of the heat plate 210 according to the embodiment of the present invention is a free fall point on the left heat plate 210a and the right heat plate 210b. In the section in which the 212 is formed, the first uplink screw 512 and the second uplink screw 514 is separated into a structure.

According to an embodiment of the present invention, the first upstream feed screw 512 and the second upstream feed screw 514 may be configured to be rotated through separate driving means. As described above, when the first upward feed screw 512 and the second upward feed screw 514 are configured to be driven by separate driving means, particularly, the driving means for driving the primary upward feed screw 514. The driving motor 514a is installed in the adiabatic chamber 516 separately installed in the heating chamber 220. In addition, cooling means such as a coolant pipe 516a may be installed on the insulation chamber 516 such that the driving motor 514a installed inside the insulation chamber 516 is not damaged by heat due to the high temperature of the heating chamber 220. .

According to an embodiment of the present invention, the upper end of the primary upstream screw 512 and the lower end of the secondary upstream screw 514 may be configured such that rotational power is connected through a power transmission means such as a chain (not shown). It may be.

As described above, in the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention, the top of the heat plate 210 is positioned in the middle portion of the inside of the furnace 200, while the residue discharge means 500 remains. As the residue is conveyed from the lower side to the upper side by the water upward conveying screw 510, the time for the regeneration raw material or the residue in the incomplete pyrolyzed state to stay inside the pyrolysis chamber 230 is increased. It becomes longer. In particular, as the residue up-conveying screw 510 is formed into two or more, including the first up-conveying screw 512 and the second up-conveying screw 514, the regeneration material and the residue are pyrolysis chamber 230. The time to stay inside can be longer.

In addition, in the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention, the residue upward transfer screw 510 is set to a structure for upwardly transferring the residue, and a recycled raw material inlet 250 into which a recycled raw material is input. As it is installed on both sides of the heating furnace 200, it is possible to reduce the phenomenon that the incompletely pyrolyzed regenerated raw materials or residues are discharged through the residue upward transfer screw 510.

In the residue hopper 520 of the residue discharge means 500 according to an embodiment of the present invention, a residue crushing rotary 522 is installed for crushing the residue falling from the residue upward conveying screw 510 side. do. Accordingly, in the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention, the finely crushed residues may be smoothly discharged through the residue discharge transfer screw 530 through the residue crushing rotary 522. It is made of a structure that can be.

Then, in the pyrolysis chamber 230 configured as described above, recycled raw materials such as waste or waste materials are exposed to a high temperature to be supplied with an extract of a vapor state generated in the process of pyrolysis, and then subjected to heat exchange to regenerate a liquid state. Agglomerator 610, which is a part of the agglomeration means 600 for allowing fuel to be extracted, is installed at the front and rear sides of the heating furnace 200, respectively. The steam discharge pipe 260 is a pipe on the upper side of the pyrolysis chamber 230 so that the steam extract generated in the pyrolysis chamber 230 can be supplied to the agglomerator 610 side, and at the top of the steam discharge pipe 260. The vapor induction pipe 262 is connected to the upper part of the agglomerator 610 so that the extract of the vapor state can be supplied separately to both agglomerators 610.

The agglomerator 610 according to the embodiment of the present invention may be formed in pairs on both the front and rear surfaces of the heating furnace 200, and several pairs may be formed in accordance with the volume of the heating furnace 200. A heat exchanger 620 is installed around each agglomerator 610 to allow heat exchange by cooling water.

The heat exchanger 620 may be formed in multiple layers around the agglomerator 610 as shown in the drawing, and the heat exchanger 620 installed in each layer may have a structure in which cooling water flows from the lower side to the upper side. . The lower side of the agglomerator 610 is formed in the form of a funnel, the upper portion is wider and the lower portion is provided with a recycled fuel outlet 612 for discharging the recycled fuel in the liquid state.

As described above, in the energy recovery apparatus 100 using the pyrolysis configured according to the embodiment of the present invention, in particular, the process of discharging the residues inside the pyrolysis chamber 230 is performed in a different manner from the conventional apparatuses. In addition to significantly reducing the heat loss of the 230, it is possible to more effectively reduce the discharge of the residue in the incomplete pyrolysis state to the outside.

In particular, in the energy recovery apparatus 100 using pyrolysis according to an embodiment of the present invention, the residue upward transfer screw 510 installed inside the pyrolysis chamber 230 is a first upward transfer screw 512 and a second upward upward movement. As the structure includes the transfer screw 514, the time for the residue to stay inside the pyrolysis chamber 230 may be longer, thereby enabling more efficient pyrolysis.

The present invention is not limited to the above-described embodiments and can be implemented in various modifications within the scope of the technical idea of the present invention.

1 is a front configuration diagram of an energy recovery apparatus using pyrolysis according to an embodiment of the present invention.

2 is a cross-sectional view of an energy recovery apparatus using pyrolysis according to an embodiment of the present invention.

3 is a cross-sectional view taken along the line A-A shown in FIG.

4 is a cross-sectional view taken along the line B-B shown in FIG.

[Description of Code for Major Parts of Drawing]

100. Energy recovery system using pyrolysis

200. Furnace 210. Heat Plate

210a. Left heat plate 210b. Right heat plate

212. Free fall point 214. Plate supporter

220. Heating chamber 230. Pyrolysis chamber

240. Burner 250. Recycled material input port

300. Heating pipeline 400. Rotary means

410. Rotary 500. Residual discharge means

510. Residue Upstream Screw 512. First Upward Screw

514. Secondary upward feed screw 520. Residue hopper

522. Residue Crushing Rotary 530. Residue Discharge Transfer Screw

600. Agglomeration means 610. Agglomerator

620. Heat Exchanger 700. Recyclable Material Storage Room

710. Recycling Material Feeding Method 720. Recycling Material Hopper

Claims (6)

After the waste or waste materials are put into the furnace, the front, back, both sides, the ceiling and the floor are constructed with the wall including the insulation layer, the raw materials are pyrolyzed by indirect high temperature, and then pyrolyzed. In the energy recovery apparatus using pyrolysis configured to obtain a liquid renewable fuel through a process of heat exchange in the flocculation means of the extract of The inner space of the heating furnace is partitioned into upper and lower sides, while the middle point is divided into a left heat plate and a right heat plate toward both sides from each other, but the height difference is greater than one point of the left heat plate and the right heat plate. A heat plate formed in a curved shape with one or more hills and valleys in the front and rear directions of the left heat plate and the right heat plate in the middle of which a drop point is formed; A heating chamber heated by a burner provided on a side of the heating furnace to a space below the heat plate; A pyrolysis chamber in which pyrolysis is realized by high heat in which the recycled raw material introduced through the recycled raw material inlet installed on the front or rear of the heating furnace is transferred to the space above the heat plate; A heating pipeline in which the fire induced by the inside of the heating chamber is piped in a refracted form so that the fire flows from the lower side to the upper side along the inner side of the front and rear walls of the heating furnace; Rotary means provided with a plurality of rotary units in the front-rear direction in the interior of the pyrolysis chamber below the regeneration material inlet so that the regeneration material introduced from the regeneration material inlet is evenly dispersed; And Residual up-conveying screws are installed which are rotated so that residues are transported from both side sides to the intermediate side along the valleys of the heat plate, and are transferred to the middle portion side of the pyrolysis chamber through the residue up-conveying screws on both sides. The residue hopper is installed in a separate space in the middle portion of the heating chamber so that the residue is lowered and merged, while the residue accumulated in the residue hopper is discharged to the outside of the heating furnace from the heating hopper. A residue discharge feed screw is installed to the outside of the furnace, and the residue upward feed screw is separated and formed as a first up feed screw and a second up feed screw at a free fall point formed on the left heat plate and the right heat plate. Residue discharge means for prolonging the residence time of water; Energy recovery apparatus using pyrolysis, characterized in that configured to include. The energy recovery apparatus using pyrolysis according to claim 1, wherein a residue crushing rotary is further provided inside the residue hopper of the residue discharge means for crushing the residue falling from the residue upward conveying screw. The energy recovery apparatus using pyrolysis according to claim 1, wherein a plate supporter for supporting the heat plate is installed at a predetermined interval in the heating chamber. The energy using pyrolysis according to any one of claims 1 to 3, wherein the upper end of the first upward conveying screw and the lower end of the secondary upward conveying screw are configured to be connected with rotational power through a power transmission means. Recovery device. The energy recovery apparatus using pyrolysis according to any one of claims 1 to 3, wherein the first upstream screw and the second upstream screw are configured to be driven by separate driving means. The method of claim 5, wherein the drive motor of the drive means for driving the second upward feed screw is installed in a heat insulation chamber provided separately in the heating chamber while the heat insulation chamber is provided with cooling means for preventing thermal damage of the drive motor. Energy recovery apparatus using pyrolysis, characterized in that installed.

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