Heating furnace body of carbonization furnace

Abstract

A heating device is used for conveying high-temperature gas into the furnace body, the furnace body comprises an inner furnace body for containing materials and an outer furnace body arranged on the outer side of the inner furnace body in a sleeving mode, and the heating device penetrates through a gas inlet formed in the position of the outer furnace body to be communicated with a heating space between the outer furnace body and the inner furnace body; the furnace body further comprises an exhaust port penetrating through the outer furnace body. The furnace body further comprises a plurality of heat conduction pieces inserted into the inner furnace body, each heat conduction piece comprises a first heat conduction section located between the inner furnace body and the outer furnace body, a second heat conduction section located in the inner furnace body and a connecting heat conduction section connecting the first heat conduction section and the second heat conduction section, and the second heat conduction sections are arranged on the connecting heat conduction section in a radial mode. The furnace body further comprises heat gathering channels formed between the inner furnace body and the outer furnace body, and each first heat conduction section corresponds to one heat gathering channel. And by arranging the heat conduction piece, the heat exchange area is increased, each part of the sludge heap can be stably heated, and the carbonization effect is better.

Description

Technical Field

[0001] The utility model belongs to the field of carbonization furnaces, and in particular relates to a heating furnace body of a carbonization furnace. Background Art

[0002] The carbonization furnace is used to carbonize the sludge. During the carbonization process, the carbonization furnace is in a high temperature state, which makes the water in the sludge evaporate, while retaining the carbon value in the sludge to the maximum extent. The organic matter in the sludge is carbonized, and the carbonized sludge can be recycled for secondary use. In the process of carbonizing the sludge, high-temperature gas is usually introduced between the outer furnace body and the inner furnace body of the carbonization furnace to heat the inner furnace body. After the temperature of the inner furnace body rises, the sludge in the inner furnace body can be recycled. Carbonization treatment; however, when high-temperature gas is introduced between the outer furnace body and the inner furnace body, the heat transfer method is only to transfer the heat to the inner furnace body and heat up the sludge in the inner furnace body. When the amount of sludge to be treated is large, it is heated only by heating the inner furnace body, which may easily lead to incomplete heating of the inner part of the sludge, resulting in insufficient carbonization of the sludge. In addition, the method of heating the sludge in the inner furnace body is relatively simple by only transferring heat to the inner furnace body, which makes the heat utilization rate of the carbonization furnace low. Utility Model Content

[0003] In view of the above-mentioned deficiencies, the utility model provides a heating furnace body of a carbonization furnace, which makes the overall temperature of the sludge in the carbonization furnace more uniform and improves the heat utilization rate during carbonization.

[0004] The utility model is realized by the following technical solutions:

[0005] A heating furnace body of a carbonization furnace, the carbonization furnace also includes a heating device connected to the furnace body, the heating device is used to transport high-temperature gas into the furnace body, the furnace body includes an inner furnace body for accommodating materials and an outer furnace body sleeved on the outside of the inner furnace body, the heating device passes through an air inlet formed at the outer furnace body and is connected to a heating space between the outer furnace body and the inner furnace body, the furnace body also includes an exhaust port that runs through the outer furnace body; the furnace body also includes a plurality of heat-conducting parts plugged into the inner furnace body, the heat-conducting parts include a first heat-conducting section located between the inner furnace body and the outer furnace body, a second heat-conducting section located in the inner furnace body, and a connecting heat-conducting section connecting the first heat-conducting section and the second heat-conducting section, the second heat-conducting section is radially arranged on the connecting heat-conducting section, the furnace body also includes a heat-gathering channel formed between the inner furnace body and the outer furnace body, each first heat-conducting section corresponds to a heat-gathering channel. By providing a heat conducting member, the heat exchange area used for heat exchange is increased to improve the efficiency of heat exchange from the heating space to the inner furnace body. The second heat conducting section is arranged radially, so the area of ​​the sludge in contact with the second heat conducting section can be increased, so as to achieve better heat transfer. By providing a heat gathering channel, the first heat conducting section can be fully heated, so as to ensure the temperature of the heat conducting member while increasing the heat exchange area between the sludge inside the inner furnace body and the inner furnace body and the heat conducting member, so as to achieve better heating and carbonization of the sludge. At the same time, the second heat conducting section is extended compared to the inner wall of the inner furnace body, so when contacting the sludge, it can also contact the inner part of the sludge pile, so that all parts of the sludge pile can achieve stable temperature rise and better carbonization effect.

[0006] Furthermore, the heat collecting channel includes a first heat collecting channel near the air inlet and a second heat collecting channel near the exhaust port, the inner diameter of the first heat collecting channel gradually decreases from the air inlet toward the exhaust port, and the second heat collecting channel is bent along the extension direction of the first heat conducting section. When the high-temperature gas flows in the first heat collecting channel, the flow velocity of the gas will gradually increase, so that the pressure at the opening of the first heat collecting channel is reduced, so that it is convenient for the gas to flow into the first heat collecting channel, and the second heat collecting channel is connected to the first heat collecting channel, so the gas flowing into the first heat collecting channel will enter the second heat collecting channel, and the second heat collecting channel is bent, so that the flow time of the gas in the second heat collecting channel can be increased, that is, the heating time of the first heat conducting section is extended, so as to achieve the rapid rise of the temperature of the first heat conducting section in the early stage and the subsequent stabilization.

[0007] Furthermore, the second heat collecting channel is spirally arranged on the outer side of the corresponding first heat conducting section, thereby reducing the collision between the gas and the second heat collecting channel when the gas flows in the second heat collecting channel, and reducing the loss of the gas.

[0008] Furthermore, the inner diameter of the first heat conducting section gradually decreases along the direction from the outer furnace body to the inner furnace body, and the inner diameter of the second heat conducting section gradually increases along the direction from the outer furnace body to the inner furnace body.

[0009] Furthermore, the inner furnace body is coaxially arranged with the outer furnace body, and the inner furnace body can rotate circumferentially around its axis, and the heat conduction area when the second heat conduction section rotates to the lower side of the inner furnace body is larger than the heat conduction area when the second heat conduction section rotates to the upper side of the inner furnace body. The second heat conduction section is in an expanded state when located at the lower side of the inner furnace body, that is, the heat conduction area in contact with the sludge is increased, and the second heat conduction section is in a contracted state when it rotates to the upper side of the inner furnace body to reduce the area in contact with the outside world, and the second heat conduction section will also shake during the contraction process, so that a small amount of sludge remaining at the second heat conduction section can be shaken off, thereby reducing material loss.

[0010] Furthermore, each connecting heat-conducting segment is connected to a plurality of second heat-conducting segments, and the plurality of second heat-conducting segments are rotatably connected to the corresponding connecting heat-conducting segments. When rotating to the lower side of the inner furnace body, the second heat-conducting segments will automatically spread out around the connecting heat-conducting segments under the action of gravity, thereby expanding the heat-conducting area, and when rotating to the upper side of the inner furnace body, the second heat-conducting segments will also rotate and shrink under the action of gravity, thereby reducing the heat-conducting area of ​​the second heat-conducting segments.

[0011] Furthermore, the heat conducting member further includes a heat conducting plate disposed at the first heat conducting section, and the heat conducting plate is extended toward the air inlet. By disposing the heat conducting plate, the contact area with the gas can be increased, so that the heat conducting plate can be rapidly heated up, and the heat conducting plate is disposed at the first heat conducting section, thereby realizing rapid heating up of the first heat conducting section, thereby achieving better carbonization of the sludge.

[0012] Furthermore, the air inlet is formed on the side wall of the outer furnace body, and the air inlet is tilted downward in the direction toward the exhaust port, so that the gas flow is smoother. At the same time, during the carbonization process, the inner furnace body is constantly rotating, and the sludge to be carbonized will also be located at the lower side of the inner furnace body under the action of gravity, so that the gas entering from the air inlet first reaches the lower side of the heating space, and the lower side of the inner furnace body can also be better heated.

[0013] Furthermore, each heat-conducting member is staggered with the adjacent heat-conducting members. Since the high-temperature gas will contact the heat-conducting members during the flow, the heat-conducting members are staggered, so that the heat-conducting members can avoid mutual influence when the gas flows. At the same time, the heat-conducting members are staggered in the part located inside the inner furnace body, which can also increase the heating area and achieve a better carbonization effect on the sludge.

[0014] Furthermore, the number of heat-conducting parts gradually decreases along the extension direction of the inner furnace body. When the gas moves from the air inlet to the air outlet, the temperature of the gas gradually decreases, and the distribution of the gas in the heating space is more uniform in the area near the air outlet, so that the heat-conducting parts are distributed more in the part near the air inlet, thereby effectively improving the carbonization effect of the inner furnace body on the sludge in the area near the air inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram for illustrating a schematic implementation of a carbonization furnace in the utility model;

[0016] Figure 2 A schematic diagram for explaining the coordination of an exemplary embodiment of the inner furnace body and the outer furnace body in the utility model;

[0017] Figure 3 A schematic structural diagram for illustrating a schematic implementation of a heat conducting member in the utility model;

[0018] Figure 4 A schematic diagram for explaining the position of a schematic implementation of the second heat conducting section in the utility model;

[0019] Figure 5 A schematic diagram for illustrating the position of another exemplary embodiment of the second heat conducting section in the present invention.

[0020] Reference numerals:

[0021] 11. inner furnace body, 12. outer furnace body, 13. heating space, 14. air inlet, 15. exhaust port;

[0022] 2. heat conducting member, 21. first heat conducting section, 22. second heat conducting section, 23. connecting heat conducting section, 24. first heat collecting channel, 25. second heat collecting channel, 26. heat conducting plate;

[0023] 3. Heating device. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that the directional terms such as left, right, up, down, front and back in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, that is, the direction of movement of the product, and should not be considered as limiting.

[0026] In addition, it should be noted that the dynamic terms such as "relative motion" mentioned in the embodiments of the present invention are not only changes in position, but also include movements such as rotation and rolling where there is no relative change in position but a change in state.

[0027] Finally, it should be noted that when a component is referred to as being "located" or "set on" another component, it can be on the other component or there can be an intermediate component at the same time. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be an intermediate component at the same time.

[0028] like Figures 1 to 5 The carbonization furnace shown in the figure has a heating furnace body, and the carbonization furnace also includes a heating device 3 connected to the furnace body, and the heating device 3 is used to transport high-temperature gas into the furnace body. The furnace body includes an inner furnace body 11 for accommodating materials and an outer furnace body 12 sleeved on the outer side of the inner furnace body 11. The heating device 3 passes through an air inlet 14 formed at the outer furnace body 12 and is connected to a heating space 13 between the outer furnace body 12 and the inner furnace body 11. The furnace body also includes an exhaust port 15 that passes through the outer furnace body 12. The carbonization furnace in the present application is used to carbonize sludge, so that the sludge The water in the sludge is evaporated, and the organic matter in the sludge is carbonized. The carbonized sludge can be recycled for secondary use. When the sludge is carbonized, a carbonization furnace is usually used to treat the sludge. The furnace body in the carbonization furnace is composed of an inner furnace body 11 and an outer furnace body 12. The inner furnace body 11 is hollow, and the sludge to be treated can be transported to the inner furnace body 11 and heated at the inner furnace body 11. The outer furnace body 12 is located outside the inner furnace body 11, which can not only isolate the inner furnace body 11 from the outside, but also prevent the heat from being transferred to the outside during heating. At the same time, a heating space 13 can be formed between the outer furnace body 12 and the inner furnace body 11. When the heating device 3 is heated, the high-temperature gas that has been heated is transported to the heating space 13, thereby heating the inner furnace body 11 and raising the temperature inside the inner furnace body 11, thereby completing the carbonization treatment of the sludge inside the inner furnace body 11. The heat is conducted through the inner furnace body 11 to avoid the high-temperature gas used for heating directly acting on the sludge, resulting in a poor carbonization effect of the sludge. Since the high-temperature gas is heated by the inner furnace body 11, thereby raising the temperature inside the inner furnace body 11, when the high-temperature gas is introduced into the heating space 13, it is necessary to ensure that the heat at the heating gas can be better transferred to the inner furnace body 11. After the high-temperature gas introduced from the air inlet 14 flows in the heating space 13, it will be discharged through the exhaust port 15, thereby ensuring that the heating space 13 is always in a high-temperature state, and the exhausted gas can also be recycled, for example, it can be used for preliminary heating treatment of the sludge, etc., thereby improving the use efficiency of the gas.

[0029] In the present application, the furnace body also includes a plurality of heat-conducting members 2 plugged into the inner furnace body 11, the heat-conducting member 2 includes a first heat-conducting section 21 located between the inner furnace body 11 and the outer furnace body 12, a second heat-conducting section 22 located in the inner furnace body 11, and a connecting heat-conducting section 23 connecting the first heat-conducting section 21 and the second heat-conducting section 22, the second heat-conducting section 22 is radially arranged on the connecting heat-conducting section 23, the furnace body also includes a heat-gathering channel formed between the inner furnace body 11 and the outer furnace body 12, each first heat-conducting section 21 corresponds to at least one heat-gathering channel; since the high-temperature gas is heated by heating the periphery of the inner furnace body 11, thereby achieving an increase in the temperature inside the inner furnace body 11, and the present application is also provided with a heat-conducting member 2, the heat-conducting member The heat element 2 has a portion located between the inner furnace body 11 and the outer furnace body 12, that is, a structure located in the heating space 13. At the same time, the heat conductive element 2 also has a portion located inside the inner furnace body 11. By providing the heat conductive element 2, the heat exchange area for heat exchange is increased to improve the efficiency of heat exchange from the heating space 13 to the inner furnace body 11. Not only can the temperature inside the inner furnace body 11 rise quickly, thereby improving the carbonization efficiency of the sludge, but also the heat exchange efficiency of the high-temperature gas can be improved. Not only can the carbonization efficiency of the sludge be improved, but also the carbonization cost can be reduced. When heat exchange is performed, since the two ends of the heat conductive element 2 are respectively located inside the heating space 13 and the inner furnace body 11, Therefore, the high-temperature gas in the heating space 13 heats the first heat-conducting section 21 in the heat-conducting member 2 while heating the inner furnace body 11, and then heats the second heat-conducting section 22 by connecting the heat-conducting sections 23. At the same time, the second heat-conducting sections 22 are arranged radially, so that the area of ​​the sludge in contact with the second heat-conducting sections 22 can be increased, thereby achieving better heat transfer; and when the high-temperature gas flows in the heating space 13, the heat-gathering channel formed between the inner furnace body 11 and the outer furnace body 12 can also realize the convergence of the high-temperature gas, that is, prolong the residence time of the high-temperature gas in the first heat-conducting section 21, thereby achieving rapid heating of the first heat-conducting section 21, and the inner furnace body 11 has a relatively large overall size, so its heat exchange area in the heating space 13 is also relatively large, so the inner furnace body 11 can be fully heated, and by setting a heat gathering channel, the first heat conducting section 21 can also be fully heated, thereby ensuring the temperature of the heat conducting member 2 while increasing the heat exchange area between the sludge inside the inner furnace body 11 and the inner furnace body 11 and the heat conducting member 2, thereby achieving better heating and carbonization of the sludge. At the same time, the second heat conducting section 22 is extended from the inner wall of the inner furnace body 11, so when it contacts the sludge, it can also contact the inner part of the sludge pile, so that each part of the sludge pile can achieve a stable temperature rise, and the carbonization effect is better.

[0030] Preferably, the number of heat-conducting members 2 gradually decreases along the extension direction of the inner furnace body 11; when the gas moves from the air inlet 14 toward the air outlet, the temperature of the gas will gradually decrease, and in the area near the air outlet, the distribution of the gas in the heating space 13 will be more uniform, so that the heat-conducting members 2 are distributed more in the part near the air inlet 14, thereby effectively improving the carbonization effect of the inner furnace body 11 on the sludge in the area near the air inlet 14.

[0031] As an embodiment of the present application, the heat collecting channel includes a first heat collecting channel 24 adjacent to the air inlet 14 and a second heat collecting channel 25 adjacent to the exhaust port 15. The inner diameter of the first heat collecting channel 24 gradually decreases in the direction from the air inlet 14 to the exhaust port 15, and the second heat collecting channel 25 is bent along the extension direction of the first heat conducting section 21. Since the high-temperature gas flows from the air inlet 14 to the heating space 13 and moves toward the exhaust port 15 during the continuous introduction of the gas, the high-temperature gas will first pass through the first heat collecting channel 24 adjacent to the air inlet 14 during the flow process, and the inner diameter of the first heat collecting channel 24 gradually decreases. Therefore, when the high-temperature gas flows in the first heat collecting channel 24, the flow velocity of the gas will gradually increase, thereby reducing the pressure at the opening of the first heat collecting channel 24, so that the gas can flow into the first heat collecting channel 24, and the second heat collecting channel 25 is connected to the first heat collecting channel 24, so the gas flowing into the first heat collecting channel 24 will enter the second heat collecting channel 25, and the second heat collecting channel 25 is bent, so that the flow time of the gas in the second heat collecting channel 25 can be increased, that is, the heating time of the first heat conducting section 21 is extended, thereby achieving a rapid increase in the temperature of the first heat conducting section 21 in the early stage and subsequent stabilization.

[0032] Preferably, the second heat collecting channel 25 is spirally arranged on the outer side of the corresponding first heat conducting section 21; that is, the inner wall of the second heat collecting channel 25 is an arc-shaped structure, thereby reducing the collision between the gas and the second heat collecting channel 25 when the gas flows in the second heat collecting channel 25, thereby reducing the loss of gas.

[0033] As a preferred embodiment of the present application, the inner diameter of the first heat-conducting section 21 gradually decreases in the direction from the outer furnace body 12 to the inner furnace body 11, and the inner diameter of the second heat-conducting section 22 gradually increases in the direction from the outer furnace body 12 to the inner furnace body 11; the area with a smaller inner diameter of the first heat-conducting section 21 is the area close to the inner furnace body 11, so the inner diameter of the first heat-conducting section 21 close to the inner furnace body 11 is smaller, which not only can heat through the inner furnace body 11, but also makes the area passing through the inner furnace body 11 relatively small, thereby ensuring the relative integrity of the surface of the inner furnace body 11 and improving the carbonization effect of the sludge in the inner furnace body 11, and the inner diameter of the second heat-conducting section 22 located in the inner furnace body 11 gradually increases, thereby increasing the contact area of ​​the second heat-conducting section 22, and having a better heating effect on the sludge in the inner furnace body 11.

[0034] In the present application, the inner furnace body 11 is coaxially arranged with the outer furnace body 12, and the inner furnace body 11 can rotate circumferentially around its axis, and the heat conduction area when the second heat conduction section 22 rotates to the lower side of the inner furnace body 11 is larger than the heat conduction area when the second heat conduction section 22 rotates to the upper side of the inner furnace body 11; during the carbonization of the sludge, the inner furnace body 11 is in a continuous rotation process, so the sludge in the inner furnace body 11 can be continuously rolled, which can not only heat the sludge more evenly, but also prevent the sludge from coming out. In order to prevent the sludge from agglomerating and sticking, the sludge will roll to the bottom of the inner furnace body 11 under the action of gravity during the rotation of the inner furnace body 11, and the heat-conducting member 2 will continuously rotate with the inner furnace body 11, so the heat-conducting member 2 in contact with the sludge will also be in a constantly changing process, that is, the heat-conducting member 2 will rotate to separate from the sludge after the heat exchange with the sludge core, so as to increase the temperature again and improve the heating effect on the sludge; and during the rotation of the heat-conducting member 2, the state of the second heat-conducting section 22 will also change, such as Figure 4 As shown, the second heat conducting section 22 is in an expanded state when located at the lower side of the inner furnace body 11, that is, the heat conducting area in contact with the sludge is increased. Figure 5 As shown, the second heat-conducting section 22 is in a contracted state when it rotates to the upper side of the inner furnace body 11 to reduce the area in contact with the outside world, and the second heat-conducting section 22 will also shake during the contraction process, so that a small amount of sludge remaining in the second heat-conducting section 22 can be shaken off, thereby reducing material loss.

[0035] As an embodiment of the present application, since the second heat-conducting segments 22 are radially arranged at the connecting heat-conducting segments 23, when the second heat-conducting segments 22 are connected, each connecting heat-conducting segment 23 is connected to a plurality of second heat-conducting members 2, and the plurality of second heat-conducting members 2 are rotatably connected to the corresponding connecting heat-conducting segments 23, that is, by hingedly connecting the second heat-conducting members 2 to the connecting heat-conducting segments 23, when rotating to the lower side of the inner furnace body 11, the second heat-conducting segments 22 will automatically spread out around the connecting heat-conducting segments 23 under the action of gravity, thereby expanding the heat-conducting area, and when rotating to the upper side of the inner furnace body 11, the second heat-conducting segments 22 will also rotate and shrink under the action of gravity, thereby reducing the heat-conducting area of ​​the second heat-conducting segments 22.

[0036] As an embodiment of the present application, the heat conducting member 2 also includes a heat conducting plate 26 arranged at the first heat conducting section 21, and the heat conducting plate 26 is extended in the direction of the air inlet 14; by setting the heat conducting plate 26, the contact area with the gas can be increased, so that the heat conducting plate 26 can be quickly heated up, and the heat conducting plate 26 is arranged at the first heat conducting section 21, thereby realizing rapid heating of the first heat conducting section 21, thereby achieving better carbonization of the sludge.

[0037] In the present application, the air inlet 14 is formed on the side wall of the outer furnace body 12, and the air inlet 14 is tilted downward in the direction toward the exhaust port 15; because the high-temperature gas will automatically float up after being transported to the heating space 13, the air inlet 14 is tilted downward, and the gas entering the heating space 13 from the air inlet 14 will first accumulate below the heating space 13, and gradually float up to fill the entire heating space 13, thereby making the gas flow smoother. At the same time, during the carbonization process, the inner furnace body 11 is in constant rotation, and the sludge to be carbonized will also be located on the lower side of the inner furnace body 11 under the action of gravity. Therefore, the gas entering from the air inlet 14 first reaches the lower side of the heating space 13, and can also better heat the lower side of the inner furnace body 11.

[0038] Preferably, each heat conductive member 2 is staggered with adjacent heat conductive members 2; since the high-temperature gas will contact the heat conductive members 2 during the flow, the heat conductive members 2 are staggered to avoid mutual influence between the heat conductive members 2 when the gas flows. At the same time, the heat conductive members 2 are also staggered in the parts located inside the inner furnace body 11, which can also increase the heating area and achieve a better carbonization effect on the sludge.

[0039] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A heating furnace body of a carbonization furnace, the carbonization furnace also includes a heating device connected to the furnace body, the heating device is used to transport high-temperature gas into the furnace body, characterized in that: The furnace body comprises an inner furnace body for containing materials and an outer furnace body sleeved on the outer side of the inner furnace body, the heating device passes through an air inlet formed at the outer furnace body and communicates with the heating space between the outer furnace body and the inner furnace body, and the furnace body further comprises an exhaust port penetrating through the outer furnace body; The furnace body also includes a plurality of heat-conducting parts plugged into the inner furnace body, the heat-conducting parts include a first heat-conducting section located between the inner furnace body and the outer furnace body, a second heat-conducting section located within the inner furnace body, and a connecting heat-conducting section connecting the first heat-conducting section and the second heat-conducting section, the second heat-conducting section is radially arranged on the connecting heat-conducting section, the furnace body also includes a heat-gathering channel formed between the inner furnace body and the outer furnace body, and each of the first heat-conducting sections corresponds to one of the heat-gathering channels.

2. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: The heat collecting channel includes a first heat collecting channel adjacent to the air inlet and a second heat collecting channel adjacent to the exhaust port. The inner diameter of the first heat collecting channel gradually decreases from the air inlet toward the exhaust port, and the second heat collecting channel is bent along the extension direction of the first heat conducting section.

3. The heating furnace body of a carbonization furnace according to claim 2, characterized in that: The second heat collecting channel is spirally arranged on the outer side corresponding to the first heat conducting section.

4. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: The inner diameter of the first heat-conducting section gradually decreases along the direction from the outer furnace body to the inner furnace body, and the inner diameter of the second heat-conducting section gradually increases along the direction from the outer furnace body to the inner furnace body.

5. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: The inner furnace body is coaxially arranged with the outer furnace body, and the inner furnace body can rotate circumferentially around its axis, and the heat conduction area when the second heat conduction section rotates to the lower side of the inner furnace body is larger than the heat conduction area when the second heat conduction section rotates to the upper side of the inner furnace body.

6. The heating furnace body of a carbonization furnace according to claim 5, characterized in that: Each of the connecting heat-conducting segments is connected to a plurality of the second heat-conducting segments, and the plurality of the second heat-conducting segments are rotatably connected to the corresponding connecting heat-conducting segments.

7. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: The heat conducting member further includes a heat conducting plate disposed at the first heat conducting section, and the heat conducting plate is extended toward the air inlet.

8. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: The air inlet is formed on a side wall of the outer furnace body, and the air inlet is arranged to be inclined downward in a direction toward the exhaust port.

9. The heating furnace body of a carbonization furnace according to claim 1, characterized in that: Each of the heat conducting members is arranged alternately with the adjacent heat conducting members.

10. The heating furnace body of a carbonization furnace according to claim 9, characterized in that: The number of the heat conducting members gradually decreases along the extending direction of the inner furnace body.

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