Detachable inner container type shell carbonization furnace

By combining a detachable inner liner design with a central heat pipe and a heat radiation partition plate, the carbonization tank can be quickly replaced and multi-point heating can be achieved. This solves the problems of low efficiency in multiple batch operations of the carbonization furnace and poor air permeability of the fruit shells, thereby improving the overall carbonization efficiency.

CN223921346UActive Publication Date: 2026-02-17INNER MONGOLIA LANHUOYAN TECH & ENVIRONMENTAL PROTECTION CO LTD
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Patent Information

Application Number
CN202522782136.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-29
Publication Date
2026-02-17
Estimated Expiration
2035-12-29

AI Technical Summary

Technical Problem

Existing carbonization furnaces require waiting for the material to cool down after carbonization before unloading, which affects the efficiency of multiple batches of operations. Furthermore, the poor air permeability of nutshell-type materials leads to uneven heating in the middle, resulting in a decrease in carbonization efficiency.

Method used

The carbonization tank features a detachable inner liner design, allowing for direct hoisting and replacement. Combined with a central heat pipe and a heat radiation partition plate, it achieves multi-point heating by utilizing high-temperature flue gas diversion and recirculation heating, avoiding the need for cooling.

Benefits of technology

It significantly improves the carbonization efficiency of multiple batches, solves the problem of material cooling and waiting, and improves carbonization efficiency through multi-point heating, avoiding the dampness and uneven heating of materials in the middle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of carbonization equipment, and discloses a detachable inner container type shell carbonization furnace which comprises an outer tank body, a fuel inlet is formed in the outer side of the outer tank body, a heat insulation lining layer is fixedly connected to the inner side of the outer tank body, and a positioning frame is fixedly connected to the inner side of the heat insulation lining layer. A carbonization tank is movably connected in the outer tank body positioned on the inner side of the positioning frame, a central heat conduction pipe is fixedly connected to the bottom in the carbonization tank, a plurality of thermal radiation partition plates are fixedly connected between the central heat conduction pipe and the carbonization tank, and a furnace cover is movably connected to the outer tank body and the carbonization tank. The carbonization tank adopts a movable connection design, and can be quickly replaced through hoisting after carbonization is completed, so that the batch interval is greatly shortened, and the multi-batch shell carbonization efficiency is remarkably improved without waiting for cooling of materials in the furnace; the central heat conduction pipe in the carbonization tank is matched with the heat radiation partition plate with the flow guide cavity, so that high-temperature flue gas can be shunted and conducted; the stacked shells are uniformly heated at multiple points, and the problems that materials in the middle are stuffy and wet, and heating is uneven are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to carbonization equipment technical field, especially in detachable inner bag formula shell carbonization furnace. BACKGROUND

[0002] Carbonization furnace is a kind of special equipment for the high-temperature carbonization treatment of biomass and mineral raw materials, which is used to make materials pyrolyze and decompose volatile substances such as water vapor and wood vinegar under anoxic or limited oxygen environment through heating, and finally obtain carbon products.

[0003] At present, carbonization furnaces are mainly divided into horizontal carbonization furnaces and vertical carbonization furnaces, such as the carbonization furnace disclosed in the Chinese utility model patent with the publication number CN213803637U and the low-temperature carbonization furnace disclosed in the Chinese utility model patent with the publication number CN221071395U. The carbonization equipment with the above two structures is used to store and carbonize materials through the fixed carbonization furnace body. Therefore, after carbonization is completed, the carbonized materials inside need to be completely cooled before the furnace door can be opened to unload the carbonized materials, which prevents the carbonization of other materials during the cooling period of the carbonized materials, seriously affecting the carbonization efficiency of multiple batches of materials. In addition, when carbonizing fruit shell materials, the poor air permeability caused by the high density of the fruit shell when it is stacked in the carbonization furnace affects heat exchange, which makes the fruit shell in the middle of the carbonization furnace difficult to be quickly heated, and the carbonization efficiency of the middle materials is easily reduced due to dampness. SUMMARY

[0004] The utility model aims at providing a detachable inner bag formula shell carbonization furnace, which can be easily replaced after carbonization without the need to wait for the materials to cool down, improving the efficiency of multiple batches of operations. The center heat conduction pipe and the heat radiation partition plate cooperate to achieve multi-point heating of the fruit shell, effectively solving the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme as follows:

[0006] A detachable inner bag formula shell carbonization furnace, comprising an outer tank body, a fuel inlet is formed on the outer side of the outer tank body, a heat insulation lining is fixedly connected to the inner side of the outer tank body, a positioning frame is fixedly connected to the inner side of the heat insulation lining, a carbonization tank is movably connected to the inner side of the outer tank body in the positioning frame, a center heat conduction pipe is fixedly connected to the inner bottom of the carbonization tank, a plurality of heat radiation partition plates are fixedly connected between the center heat conduction pipe and the carbonization tank, a furnace cover is movably connected to the outer tank body and the carbonization tank, a smoke exhaust chamber is formed in the furnace cover, a plurality of reinforcing blocks are fixedly connected in the smoke exhaust chamber, a smoke exhaust pipe is fixedly connected to the furnace cover, and the smoke exhaust pipe is in communication with the smoke exhaust chamber.

[0007] As a further preferred scheme of the present utility model, the heat insulation lining is paved by refractory bricks, two supporting seats are symmetrically and fixedly connected to the inner bottom of the heat insulation lining, the supporting seats are also paved by refractory bricks, when the carbonization tank is hoisted into the outer tank body by hoisting equipment, the carbonization tank can be supported by the two supporting seats, and a combustion space is formed in the outer tank body below the carbonization tank.

[0008] As a further preferred scheme of the present utility model, the outer tank body and the heat insulation lining are connected with a first reflux pipe, a plurality of air holes are arranged on the first reflux pipe in the outer tank body, the combustible gas generated in the carbonization tank can flow back to the outer tank body and heat the carbonization tank, and one end of the first reflux pipe is fixedly connected with a plug.

[0009] As a further preferred scheme of the present utility model, a plurality of first spiral flow slowing plates are fixedly connected in the positioning frame, the carbonization tank hoisted into the outer tank body can be stably circumferentially supported by the supporting seat and the first spiral flow slowing plates, meanwhile, the channel between the heat insulation lining and the carbonization tank is adjusted to a plurality of spiral channels, so that the smoke exhaust speed is reduced and the smoke temperature outside the carbonization tank is fully utilized.

[0010] As a further preferred scheme of the present utility model, a smoke resistance hopper is fixedly connected in the center heat conduction pipe, when the high-temperature smoke combusted in the outer tank body enters the center heat conduction pipe, part of the smoke is shunted into a plurality of heat radiation partition plates by the smoke resistance hopper, a second spiral flow slowing plate is fixedly connected in the center heat conduction pipe above the smoke resistance hopper, so as to reduce the smoke exhaust speed in the center heat conduction pipe and fully utilize the smoke heat to heat the accumulated shell in the middle part of the carbonization tank.

[0011] As a further preferred scheme of the present utility model, a flow guide cavity is arranged in the heat radiation partition plate, the flow guide cavity is in communication with the inner cavity of the center heat conduction pipe at both ends, part of the high-temperature smoke in the center heat conduction pipe is shunted into a plurality of flow guide cavities by the smoke resistance hopper, the heat radiation partition plate can conduct heat to heat the accumulated shell in the carbonization tank at multiple points, so as to improve the carbonization efficiency.

[0012] As a further preferred scheme of the utility model, the lower end of the furnace cover is sequentially provided with a first sealing groove, a second sealing groove and a third sealing groove, the lower end of the furnace cover between the first sealing groove and the second sealing groove is provided with a plurality of first smoke inlet channels, the lower end of the furnace cover at the inner side of the third sealing groove is provided with a second smoke inlet channel, the first sealing groove is connected on the outer tank body and a plurality of heat insulation liners, the second sealing groove is connected on the carbonization tank, and the third sealing groove is connected on the central heat conduction pipe.

[0013] As a further preferred scheme of the utility model, the furnace cover near the position of the smoke exhaust pipe is fixedly connected with a second reflux pipe, one end of the second reflux pipe is communicated with the inner cavity of the carbonization tank through the furnace cover, the other end of the second reflux pipe is fixedly connected with a guide cover, the guide cover is connected on the plug, and after the furnace cover is hoisted on the outer tank body and the carbonization tank through the ear seat on the top and the hoisting mechanism, the guide cover can be guided to be inserted into the second reflux pipe, so that the channel communication between the second reflux pipe and the first reflux pipe is realized.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the carbonization tank is designed to be movably connected, can be quickly replaced through hoisting after carbonization is completed, does not need to wait for the material in the furnace to cool, greatly shortens batch interval, and significantly improves multi-batch shell carbonization efficiency, and the central heat conduction pipe in the carbonization tank is matched with the heat radiation partition plate with the flow guide cavity, can shunt and conduct high-temperature flue gas, realizes multi-point uniform heating to the piled shell, solves the problems of damp and uneven heating of the middle material, and improves the carbonization efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body structure schematic view of the utility model;

[0017] Figure 2 It is the main body structure split schematic view of the utility model;

[0018] Figure 3 It is the main body structure sectional view of the utility model;

[0019] Figure 4 It is the outer tank body sectional view of the utility model;

[0020] Figure 5 It is the carbonization tank sectional view of the utility model;

[0021] Figure 6The utility model discloses a furnace cover elevation view.

[0022] In the figure: 1, outer tank body;2, fuel access;3, heat insulation lining;4, positioning frame;5, carbonization tank;6, center heat conduction pipe;7, heat radiation partition board;8, furnace cover;9, smoke exhaust cavity;10, reinforcing block;11, smoke exhaust pipe;12, bearing seat;13, first backflow pipe;14, plug;15, first spiral slow flow board;16, flow guide cavity;17, smoke resistance pot;18, second spiral slow flow board;19, first sealing groove;20, second sealing groove;21, first smoke access channel;22, third sealing groove;23, second smoke access channel;24, second backflow pipe;25, guide cover. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1-6 The utility model provides a detachable inner bag type fruit shell carbonization furnace, including outer tank body 1, the outer tank body 1 outside is seted up with fuel access 2, the outer tank body 1 inboard fixedly connected with heat insulation lining 3, heat insulation lining 3 inboard fixedly connected with positioning frame 4, the outer tank body 1 in the inside position of positioning frame 4 is movably connected with carbonization tank 5, and carbonization tank 5 inner bottom fixedly connected with center heat conduction pipe 6, and center heat conduction pipe 6 and carbonization tank 5 between fixedly connected with a plurality of heat radiation partition board 7, and the outer tank body 1 with carbonization tank 5 on movably connected with furnace cover 8, and furnace cover 8 is seted up with smoke exhaust cavity 9 in, and smoke exhaust cavity 9 in fixedly connected with a plurality of reinforcing block 10, and furnace cover 8 on fixedly connected with smoke exhaust pipe 11, and smoke exhaust pipe 11 with smoke exhaust cavity 9 cavity intercommunication.

[0025] As Figures 1-4As shown, the heat insulation lining 3 is paved by refractory bricks, and two supporting seats 12 are symmetrically and fixedly connected to the inner bottom of the heat insulation lining 3, and the supporting seats 12 are also paved by refractory bricks. When the carbonization tank 5 is hoisted into the outer tank body 1 by hoisting equipment, the carbonization tank 5 can be supported by the two supporting seats 12, and a combustion space is formed in the outer tank body 1 below the carbonization tank 5. The outer tank body 1 and the heat insulation lining 3 are connected with the first reflux pipe 13, a plurality of air holes are arranged on the first reflux pipe 13 in the outer tank body 1, so that the combustible gas generated in the carbonization tank 5 can flow back to the outer tank body 1 and heat the carbonization tank 5. One end of the first reflux pipe 13 is fixedly connected with a plug 14, and a plurality of first spiral flow slowing plates 15 are fixedly connected in the positioning frame 4, which can cooperate with the supporting seats 12 to stabilize the carbonization tank 5 hoisted into the outer tank body 1. At the same time, the carbonization tank 5 adjusts the channel between the heat insulation lining 3 and the carbonization tank 5 into a plurality of spiral channels, which can reduce the exhaust speed of the flue gas and fully utilize the flue gas temperature outside the carbonization tank 5.

[0026] As shown in Figure 3 , Figure 5 , the center heat conduction pipe 6 is fixedly connected with a smoke resistance hopper 17. When the high-temperature flue gas burned in the outer tank body 1 enters the center heat conduction pipe 6, part of the flue gas is diverted into the plurality of heat radiation partition plates 7 by the smoke resistance hopper 17. The second spiral flow slowing plate 18 is fixedly connected to the center heat conduction pipe 6 above the smoke resistance hopper 17, which can reduce the exhaust speed of the high-temperature flue gas in the center heat conduction pipe 6 and fully utilize the flue gas heat to heat the accumulated fruit shells in the middle part of the carbonization tank 5. The heat radiation partition plate 7 is provided with a flow guide cavity 16, and the two ends of the flow guide cavity 16 are in communication with the inner cavity of the center heat conduction pipe 6. Part of the high-temperature flue gas in the center heat conduction pipe 6 is diverted into the plurality of flow guide cavities 16 by the smoke resistance hopper 17, and the heat radiation partition plate 7 can conduct heat to heat the accumulated fruit shells in the carbonization tank 5 at multiple points, thereby improving the carbonization efficiency.

[0027] As shown in Figure 6As shown, the lower end of the furnace cover 8 is sequentially provided with a first sealing groove 19, a second sealing groove 20 and a third sealing groove 22, the lower end of the furnace cover 8 between the first sealing groove 19 and the second sealing groove 20 is provided with a plurality of first smoke inlet channels 21, the lower end of the furnace cover 8 at the inner side of the third sealing groove 22 is provided with a second smoke inlet channel 23, the first sealing groove 19 is connected on the outer tank body 1 and a plurality of heat insulation layers 3, the second sealing groove 20 is connected on the carbonization tank 5, and the third sealing groove 22 is connected on the center heat conduction pipe 6, when the high-temperature flue gas in the outer tank body 1 is guided by the plurality of first spiral slow-flow plates 15 and then enters the smoke exhaust chamber 9 through the first smoke inlet channel 21 and is discharged through the smoke exhaust pipe 11, the flue gas in the center heat conduction pipe 6 also enters the smoke exhaust chamber 9 through the second smoke inlet channel 23, and at the same time, the carbonization tank 5 is in a closed state, the furnace cover 8 close to the smoke exhaust pipe 11 is fixedly connected with a second return pipe 24, one end of the second return pipe 24 is communicated with the inner cavity of the carbonization tank 5 through the furnace cover 8, the other end of the second return pipe 24 is fixedly connected with a guide cover 25, the guide cover 25 is connected on the plug 14, and after the furnace cover 8 is hoisted on the outer tank body 1 and the carbonization tank 5 through the ear seat on the top and the hoisting mechanism, the guide cover 25 can be guided to be inserted into the second return pipe 24, so that the second return pipe 24 and the first return pipe 13 are communicated.

[0028] It should be noted that the utility model is a detachable inner container type fruit shell carbonization furnace, when in use, first, the fruit shell to be carbonized is loaded into the carbonization tank 5, the carbonization tank 5 is placed on the supporting seat 12 in the outer tank body 1 through the ear seat in the carbonization tank 5 and the hoisting equipment, at the same time, the positioning frame 4 and the first spiral slow-flow plate 15 fix the carbonization tank 5 in the circumferential direction, so that the carbonization tank 5 is stably arranged above the combustion space in the outer tank body 1, then, the furnace cover 8 is hoisted on the outer tank body 1 through the ear seat on the furnace cover 8 and the hoisting equipment, and when the furnace cover 8 is closed, the first sealing groove 19, the second sealing groove 20 and the third sealing groove 22 are respectively inserted into the outer tank body 1, the carbonization tank 5 and the center heat conduction pipe 6, so that a closed carbonization environment is formed, at the same time, the guide cover 25 is connected with the plug 14, so that the second return pipe 24 and the first return pipe 13 are communicated;

[0029] Then, fuel is added from the fuel inlet 2 and ignited, and the high-temperature flue gas generated by combustion forms a spiral channel under the action of the positioning frame 4 and the first spiral slow-flow plate 15, slowly flows through the outside of the carbonization tank 5, prolongs the contact time of the flue gas with the carbonization tank 5, fully utilizes the heat of the flue gas to heat the outside of the carbonization tank 5, in addition, part of the high-temperature flue gas enters the center heat conduction pipe 6, and the smoke stopper 17 divides the flue gas into the flow guide cavity 16 of the heat radiation partition plate 7, the heat radiation partition plate 7 conducts heat to the shell accumulated in the carbonization tank 5, and the second spiral slow-flow plate 18 in the center heat conduction pipe 6 reduces the flow rate of the flue gas, so that the shell in the middle of the carbonization tank 5 can also fully absorb heat, and the local dampness and uneven heating are avoided, and the combustible gas generated in the carbonization process enters the first reflux pipe 13 through the second reflux pipe 24, is sprayed out through the air holes on the first reflux pipe 13, mixes with the flame generated by the combustion of the fuel, and is burned again, energy recycling is realized, and the waste gas generated by carbonization enters the exhaust chamber 9 in the furnace cover 8 through the first smoke inlet channel 21 and the second smoke inlet channel 23, and is finally discharged through the smoke exhaust pipe 11;

[0030] After a single batch of carbonization is completed, the carbonization tank 5 does not need to be cooled, but is directly lifted away from the outer tank body 1 through hoisting equipment, and the carbonization tank 5 loaded with new shells is replaced to quickly start the next batch of operation, greatly shortens the operation interval, and improves the overall carbonization efficiency.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable inner liner type fruit shell carbonization furnace, characterized in that: The utility model provides a carbonization tank, including outer tank body (1), the outside of outer tank body (1) is equipped with fuel inlet (2), the inside of outer tank body (1) is fixedly connected with heat insulation lining (3), the inside of heat insulation lining (3) is fixedly connected with positioning frame (4), the inside of positioning frame (4) is fixedly connected with carbonization tank (5) in outer tank body (1) position, the inside of carbonization tank (5) is fixedly connected with center heat conduction pipe (6), and a plurality of heat radiation partition board (7) are fixedly connected between center heat conduction pipe (6) and carbonization tank (5), and the inside of furnace cover (8) is movably connected with carbonization tank (5) and outer tank body (1), and the inside of furnace cover (8) is equipped with smoke exhaust chamber (9), and a plurality of reinforcing blocks (10) are fixedly connected in smoke exhaust chamber (9), and the top of furnace cover (8) is fixedly connected with smoke exhaust pipe (11), and smoke exhaust pipe (11) communicates with smoke exhaust chamber (9) cavity.

2. The detachable liner type fruit shell carbonization furnace according to claim 1, characterized in that: The heat insulation lining (3) is made of refractory bricks, and two supporting seats (12) are symmetrically fixed to the inner bottom of the heat insulation lining (3).

3. The detachable liner type fruit shell carbonization furnace according to claim 1, characterized in that: The first return pipe (13) is insertedly connected into the outer tank body (1) and the heat insulation lining (3), a plurality of air holes are formed in the first return pipe (13) located in the outer tank body (1), and one end of the first return pipe (13) is fixedly connected with a plug (14).

4. The detachable liner type fruit shell carbonization furnace according to claim 1, characterized in that: A plurality of first spiral slow flow plates (15) are fixedly connected in the positioning frame (4).

5. The detachable liner type fruit shell carbonization furnace according to claim 1, characterized in that: A smoke resistance hopper (17) is fixedly connected in the center heat conduction pipe (6), and a second spiral slow flow plate (18) is fixedly connected in the center heat conduction pipe (6) above the smoke resistance hopper (17).

6. A detachable liner type fruit shell carbonization furnace according to claim 5, characterized in that: A flow guide cavity (16) is formed in the heat radiation partition board (7), and the flow guide cavity (16) communicates with the inner cavity of the center heat conduction pipe (6) at both ends.

7. The detachable liner type fruit shell carbonization furnace according to claim 1, characterized in that: A first sealing groove (19), a second sealing groove (20) and a third sealing groove (22) are sequentially formed in the lower end of the furnace cover (8), a plurality of first smoke inlet channels (21) are formed in the lower end of the furnace cover (8) between the first sealing groove (19) and the second sealing groove (20), a second smoke inlet channel (23) is formed in the lower end of the furnace cover (8) at the inner side of the third sealing groove (22), the first sealing groove (19) is insertedly connected to the outer tank body (1) and a plurality of heat insulation linings (3), the second sealing groove (20) is insertedly connected to the carbonization tank (5), and the third sealing groove (22) is insertedly connected to the center heat conduction pipe (6).

8. The detachable liner type fruit shell carbonization furnace according to claim 3, characterized in that: A second return pipe (24) is fixedly connected to the furnace cover (8) near the smoke exhaust pipe (11), one end of the second return pipe (24) communicates with the inner cavity of the carbonization tank (5) through the furnace cover (8), and the other end of the second return pipe (24) is fixedly connected with a guide cover (25), and the guide cover (25) is insertedly connected to the plug (14).

Citation Information

Patent Citations

  • Carbonization furnace

    CN213803637U

  • Low-temperature carbonization furnace

    CN221071395U