Low rank coal activation furnace and method of production thereof

Abstract

The application provides a low-rank coal activation furnace and a production method. The low-rank coal activation furnace comprises a furnace body, an activation pipeline in the furnace body, a cavity in the activation pipeline is an activation cavity for activating low-rank coal materials, and the activation pipeline comprises a preheating pipe section, an activation pipe section and an output pipe section connected in sequence. The activation part comprises a rotating part and a rotating driving part. The rotating part has a transfer cavity and a plurality of spraying channels. The transfer cavity is arranged around the activation pipe section and the output pipe section and is used for transferring activation agents. The plurality of spraying channels are distributed along the circumferential direction and the axial direction of the transfer cavity. The two ends of the spraying channels are respectively connected with the transfer cavity and the cavity of the activation pipe section. The rotating driving part is used for driving the rotating part and the activation pipe section to rotate along the circumferential direction of the furnace body. The material uniformizing assembly is rotatably arranged in the preheating pipe section and protrudes from the furnace body, so as to stir the materials in the activation cavity and push the materials to move along the axial direction of the activation cavity. The application can solve the problem of unsatisfactory production effect of coal-based activated carbon in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of low-rank coal activation, in particular to a low-rank coal activation furnace and a production method thereof. BACKGROUND

[0002] The coal-based activated carbon in the prior art is a porous carbon material prepared by taking coal as a main raw material, having a carbon element content of 80% to 90%, a rich pore structure and a large specific surface area, and having a disordered layer structure containing graphite crystallites. The gaps between the graphite-like crystallites form pores, and the sizes of the crystallites are different, and the crystallite structure is not uniform, thereby giving the activated carbon the adsorption capacity in the macroscopic view. The low-rank coal is a high-quality precursor of the coal-based activated carbon, and the inherent physical and chemical properties of the low-rank coal have an important influence on the pore structure of the activated carbon. The low-rank coal has a developed primary pore, a high volatile matter content and a high reactivity, which is beneficial to the development of the mesopore of the activated carbon.

[0003] At present, the main production process of the coal-based activated carbon is to crush the coal (low-rank coal), then to fully knead and shape the coal by taking high-temperature coal tar or pitch as a binder, and then to carbonize (generally at 500-600 DEG C) and activate (at 800-1000 DEG C) the shaped coal. However, the production efficiency and production effect of the coal-based activated carbon in China are not ideal, and there are problems of a small mesopore content (<30%) and a low pore volume (<0.5 mL / g). SUMMARY

[0004] The present application provides a low-rank coal activation furnace and a production method thereof, to solve the problem of the poor production effect of the coal-based activated carbon produced by the low-rank coal activation furnace in the prior art.

[0005] In order to solve the above problems, according to one aspect of the present application, a low-rank coal activation furnace is provided, comprising: a furnace body, comprising an activation pipeline, a cavity in the activation pipeline is an activation cavity for activating low-rank coal material, the activation pipeline comprises a preheating pipe section, an activation pipe section and an output pipe section connected in sequence; an activation part, comprising a rotating part and a rotary driving member, the rotating part has a transfer cavity and a plurality of spraying channels, the transfer cavity is arranged around the activation pipe section and the output pipe section, and is used for transferring an activation agent, the plurality of spraying channels are distributed along the circumferential direction and the axial direction of the transfer cavity, and the two ends of the spraying channel are respectively communicated with the transfer cavity and the cavity of the activation pipe section; the rotary driving member is used for driving the rotating part and the activation pipe section to rotate along the circumferential direction of the furnace body; a material uniformizing assembly is rotatably arranged in the preheating pipe section and protrudes from the furnace body, so as to stir the material in the activation cavity and push the material to move along the axial direction of the activation cavity.

[0006] Further, the furnace body further comprises a preheating coil, a sealed rotary bearing and a shell, the activation pipe segment and the output pipe segment are arranged in the shell, the preheating coil is arranged around the preheating pipe segment, the activation pipe segment is rotatably connected to the preheating pipe segment through a sealed rotary bearing, and the activation pipe segment is rotatably connected to the output pipe segment through another sealed rotary bearing.

[0007] Further, the rotating part comprises a plurality of transfer pipes and a plurality of nozzles, the cavities of the nozzles form spraying channels, the plurality of transfer pipes are arranged in the shell and are spaced apart around the circumference of the activation pipe segment, each of the transfer pipes is provided with a plurality of nozzles arranged at intervals along the extension direction of the transfer pipe, the nozzles are connected to the activation pipe, and the rotating drive is arranged in the cavity of the shell and comprises a second drive motor and a drive ring connected to each other, the drive ring covers the plurality of transfer pipes to drive the plurality of transfer pipes to rotate around the activation pipe.

[0008] Further, the activation part further comprises a limiting part, the limiting part comprises a first stator and a second stator, and the rotating part further comprises an inner rotor, the first stator is connected to the shell, the inner rotor is rotatably arranged in the first stator, the inner rotor has a plurality of feed channels penetrating therethrough and arranged around the circumference of the inner rotor, the plurality of feed channels and the plurality of transfer pipes are in one-to-one correspondence and form transfer cavities, and the second stator is arranged at one end of the first stator away from the shell, and the output pipe segment protrudes out of the shell and sequentially passes through the inner rotor and the second stator.

[0009] Further, the rotating part comprises a plurality of nozzles and an annular cylindrical pipe, the cavities of the nozzles form spraying channels, the annular cylindrical pipe is arranged around the activation pipe segment, the nozzles are connected to the activation pipe, and the rotating drive is arranged in the shell and comprises a second drive motor and a drive ring connected to each other, the drive ring covers the annular cylindrical pipe to drive the annular cylindrical pipe to rotate around the activation pipe.

[0010] Further, the rotation of the material uniformizing assembly is opposite to the rotation of the rotating part and the activation pipe segment driven by the rotating drive.

[0011] Further, the low-rank coal activation furnace further comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is arranged below the furnace body to adjust the inclination angle of the furnace body and the activation cavity relative to the horizontal plane, and the second adjusting assembly is spaced apart from the furnace body and connected to the material uniformizing assembly to adjust the inclination angle of the material uniformizing assembly relative to the horizontal plane and keep the axis of the material uniformizing assembly coinciding with the axis of the activation cavity.

[0012] Further, the first adjusting assembly comprises a pushing assembly and a rotating assembly, the pushing assembly is fixedly arranged on the horizontal plane and drivingly connected to one end of the rotating assembly, the other end of the rotating assembly is connected to one end of the material uniformizing assembly protruding out of the furnace body, and the pushing assembly pushes the one end of the rotating assembly to move in the horizontal direction to adjust the inclination angle of the rotating assembly relative to the horizontal plane and drive the material uniformizing assembly to rotate relative to the horizontal plane.

[0013] Further, the pushing assembly comprises a support frame, a rotating gear and a transmission rod, the rotating gear is rotatably arranged on the support frame, the transmission rod has an outer meshing pattern on the outer periphery, and the transmission rod is horizontally arranged on the rotating gear and is in meshing connection with the rotating gear; the rotating assembly comprises a support table, a crank, a hinged rod and a guide rod, one end of the crank is fixedly connected with the support table, the support table is used for supporting one end of the material uniformizing assembly protruding from the furnace body, the other end of the crank has a first circular rectangular guide slot, the guide rod is horizontally arranged and has a second circular rectangular guide slot, the hinged rod is arranged at the overlapping position of the first circular rectangular guide slot and the second circular rectangular guide slot, and the hinged rod is slidably arranged along the first circular rectangular guide slot and the second circular rectangular guide slot, and the transmission rod is drivingly connected with the hinged rod.

[0014] Further, the material uniformizing assembly comprises a first driving motor, a rotating shaft and a screw belt type material uniformizer which are sequentially connected, the rotating shaft is rotatably arranged through the furnace body and at one end of the activation cavity, the first driving motor is located outside the furnace body, and the screw belt type material uniformizer is located in the activation cavity, the first driving motor drives the rotating shaft and the screw belt type material uniformizer to rotate, so as to stir and transport the material in the activation cavity, and the first driving motor is arranged at the end of the rotating assembly away from the pushing assembly.

[0015] Further, the second adjusting assembly comprises a telescopic assembly, a hinged shaft and a support seat which are sequentially connected, the telescopic assembly is arranged on a horizontal plane, the support seat is fixedly connected with the side of the furnace body away from the first adjusting assembly, the support seat is hinged with the telescopic assembly through the hinged shaft, and the telescopic assembly is telescopically arranged, so as to adjust the inclination angle of the furnace body relative to the horizontal plane.

[0016] Further, the furnace body further comprises a feeder, a discharger and a discharging valve, the feeder and the discharger are respectively in communication with the preheating pipe section and the output pipe section, and the discharging valve is arranged on the discharger in an openable and closable mode, so as to open and close the discharging port of the discharger.

[0017] According to another aspect of the present application, a production method is provided, which is applied to the low-rank coal activation furnace, and the production method comprises the following steps:

[0018] S1: an operator closes the discharging valve of the furnace body, and preheats the activation cavity;

[0019] S2: starting the activation part, spraying in the activation cavity, adding low-rank coal into the activation cavity through the feeder of the furnace body, and starting the material uniformizing assembly to stir and transport the low-rank coal and the generated product in the activation cavity;

[0020] S3: according to the process requirement, starting the rotating driving motor of the activation part and the inner rotor of the activation part, so that the transfer cavity and the plurality of spraying channels rotate along the circumference of the activation cavity;

[0021] S4: judging whether the first adjusting component and the second adjusting component of the low-rank coal activation furnace need to be adjusted according to actual conditions to adjust the inclination angle of the furnace body and the material uniformizing component relative to the horizontal plane;

[0022] S5: the low-rank coal material is carbonized and activated, the generated material is pushed into the discharger of the furnace body and is cooled; then the discharging valve is opened, the material in the discharger falls into the material collecting bin under the action of gravity, and then the carbonized and activated material is obtained.

[0023] The technical scheme of the present application provides a low-rank coal activation furnace, which comprises: a furnace body, comprising an activation pipeline, the cavity in the activation pipeline is an activation cavity for activating low-rank coal material, the activation pipeline comprises a preheating pipe section, an activation pipe section and an output pipe section connected in sequence; an activation part, comprising a rotating part and a rotating driving member, the rotating part has a transfer cavity and a plurality of spraying channels, the transfer cavity is arranged around the activation pipe section and the output pipe section, and is used for transferring activation agent, the plurality of spraying channels are distributed along the circumferential direction and the axial direction of the transfer cavity, and the two ends of the spraying channel are respectively communicated with the transfer cavity and the cavity of the activation pipe section; the rotating driving member is used for driving the rotating part and the activation pipe section to rotate along the circumferential direction of the furnace body; and a material uniformizing component, which is rotatably arranged in the preheating pipe section and protrudes from the furnace body, is used for stirring the material in the activation cavity and pushing the material to move along the axial direction of the activation cavity.

[0024] By the above scheme, the transfer cavity provides activation agent (generally high-temperature steam) for the plurality of spraying channels, and then the plurality of spraying channels sprays the activation cavity in the activation pipe section to activate the low-rank coal material flowing through the cavity of the activation pipe section and obtain the activated material including activated carbon. In the process of activating the low-rank coal material in the activation cavity, the material uniformizing component is used to stir the low-rank coal material and the activated material in the activation cavity, so as to avoid uneven activation or material accumulation, improve the activation effect, and improve the transfer and activation efficiency of the low-rank coal activation furnace. On the other hand, the plurality of spraying channels sprays the cavity in the activation pipe section, which is conducive to quickly forming a misty activation zone and activating the low-rank coal material therein, thereby improving the activation effect of the low-rank coal material. In addition, in the process of activating the low-rank coal material in the activation cavity, the rotating driving member is used to drive the rotation of the rotating part and the activation pipe section, so as to realize the rotational spraying of the low-rank coal material flowing through the activation pipe section, further ensure the uniformity of the activation agent spraying, and further improve the stirring and dispersing effect of the low-rank coal material flowing through the activation pipe section by the cooperation of the rotating driving member and the material uniformizing component, so as to ensure the contact effect of the low-rank coal material and the activation agent and further improve the activation effect of the low-rank coal activation furnace on the low-rank coal material. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings accompanying the specification of this application provide further understanding of the application, serve as a further example of the illustrative embodiments of the application and explain the principles of the application, but are not to be construed as limiting the application. In the drawings:

[0026] Figure 1 A structural schematic diagram of a low-rank coal activation furnace provided by an embodiment of the application is shown;

[0027] Figure 2 A sectional view of Figure 1 is shown;

[0028] Figure 3 An assembly schematic diagram of a first stator, a second stator and an inner rotor in Figure 1 is shown;

[0029] Figure 4 A structural schematic diagram of an inner rotor in Figure 1 is shown;

[0030] Figure 5 A structural schematic diagram of a material distributor in Figure 1 is shown.

[0031] In the above drawings, the following reference signs are used:

[0032] 101, activation cavity; 1011, preheating cavity section; 1012, activation cavity section; 1013, output cavity section; 11, shell; 111, main shell; 112, furnace head shell; 12, activation pipeline; 121, preheating pipeline section; 122, activation pipeline section; 123, output pipeline section; 13, feeder; 14, discharger; 15, discharging valve; 16, sealing rotary bearing; 17, O-shaped sealing ring;

[0033] 201, transfer cavity; 202, spraying channel; 203, auxiliary heating channel; 204, back smoke channel; 205, exhaust channel; 21, transfer pipeline; 22, nozzle; 23, rotary driving member; 231, second driving motor; 232, driving ring; 24, first stator; 25, second stator; 251, stator body; 252, plug; 253, annular feeding port; 26, inner rotor; 261, feeding channel; 27, flue gas combustion pipeline; 281, first rotary bearing; 282, second rotary bearing; 291, first rotary sealing ring; 292, second rotary sealing ring; 293, third rotary sealing ring;

[0034] 30, material uniformizing assembly; 31, first driving motor; 32, rotary shaft; 33, screw belt type material uniformizer; 331, helical blade; 332, material distributor; 3321, groove; 34, third rotary bearing;

[0035] 41, first adjusting assembly; 411, support frame; 412, rotating gear; 413, transmission rod; 414, support table; 415, crank; 4151, first arcuate rectangular guide slot; 416, hinged rod; 417, guide rod; 4171, second arcuate rectangular guide slot; 42, second adjusting assembly; 421, telescopic assembly; 422, hinged shaft; 423, support seat. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0037] As shown in Figures 1 to 4 The embodiments of the present application provide a low-rank coal activation furnace, which comprises:

[0038] A furnace body, which comprises an activation pipeline 12, a cavity in the activation pipeline 12 is an activation cavity 101 for activating low-rank coal materials, and the activation pipeline 12 comprises a preheating pipeline segment 121, an activation pipeline segment 122 and an output pipeline segment 123 connected in sequence;

[0039] An activation part, which comprises a rotating part and a rotating driving member 23, the rotating part has a transfer cavity 201 and a plurality of spraying channels 202, the transfer cavity 201 is arranged around the activation pipeline segment 122 and the output pipeline segment 123, and is used for transferring activation agents, the plurality of spraying channels 202 are distributed along the circumferential direction and the axial direction of the transfer cavity 201, and the two ends of the spraying channels 202 are respectively communicated with the transfer cavity 201 and the cavity of the activation pipeline segment 122; and the rotating driving member 23 is used for driving the rotating part and the activation pipeline segment 122 to rotate along the circumferential direction of the furnace body;

[0040] A material uniformizing assembly 30, which is rotatably arranged in the preheating pipeline segment 121 and protrudes from the furnace body, so as to stir the materials in the activation cavity 101 and push the materials to move along the axial direction of the activation cavity 101.

[0041] In the embodiment, the activated agent (generally high-temperature vapor) is provided to the plurality of spray channels 202 through the transfer cavity 201, and then the activated cavity 101 in the activated pipe section 122 is sprayed through the plurality of spray channels 202 to realize the activation of the low-rank coal material flowing in the cavity of the activated pipe section 122, and obtain the activated material containing activated carbon. In the process of activating the low-rank coal material in the activated cavity 101, the low-rank coal material and the activated material in the activated cavity 101 are stirred through the material mixing assembly 30 to avoid the inhomogeneous activation or material accumulation, improve the activation effect, and at the same time, realize the conveying of the material from the preheating pipe section 121 to the output pipe section 123, improve the conveying and activation efficiency of the low-rank coal activation furnace. On the other hand, the cavity in the activated pipe section 122 is sprayed through the plurality of spray channels 202, which is beneficial to quickly form a misty activated zone and activate the low-rank coal material therein, and improve the activation effect of the low-rank coal material. In addition, in the process of activating the low-rank coal material in the activated cavity 101, the rotating part and the activated pipe section 122 are rotationally driven through the rotary driving part 23 to realize the rotational spraying of the low-rank coal material flowing in the activated pipe section 122, further ensure the uniformity of the activated agent spraying, and further improve the stirring and dispersing effect of the low-rank coal material flowing in the activated pipe section 122 through the cooperation of the rotary driving part 23 and the material mixing assembly 30, ensure the contact effect of the low-rank coal material and the activated agent, and further improve the activation effect of the low-rank coal activation furnace on the low-rank coal material.

[0042] The activated cavity 101 includes the preheating cavity section 1011, the activated cavity section 1012 and the output cavity section 1013 which are sequentially communicated, the cavity in the preheating pipe section 121 forms the preheating cavity section 1011, the cavity in the activated pipe section 122 forms the activated cavity section 1012, and the cavity in the output pipe section 123 forms the output cavity section 1013.

[0043] Optionally, the activation part further comprises a flow sensor and an electric control valve, the flow sensor and the electric control valve are both arranged on the rotating part, the flow sensor is used for detecting the flow of the activated agent, and the electric control valve is used for controlling the on-off of the transfer cavity 201 and / or the spray channel 202. The activated cavity 101 and the transfer cavity 201 can be filled with heat preservation material to reduce the heat dissipation of the furnace body and improve the heat utilization efficiency.

[0044] Specifically, the furnace body further comprises a preheating coil, a sealing rotating bearing 16 and a shell 11, the activated pipe section 122 and the output pipe section 123 are arranged in the shell 11, the preheating coil is arranged around the preheating pipe section 121, the activated pipe section 122 is rotationally connected with the preheating pipe section 121 through a sealing rotating bearing 16, and the activated pipe section 122 is rotationally connected with the output pipe section 123 through another sealing rotating bearing 16.

[0045] This configuration allows for the preheating of the preheating chamber 1011 within the preheating tube section 121 via a preheating coil, thereby preheating the low-rank coal and ensuring the reliability and stability of its activation. A sealed rotating bearing 16 ensures that the activation tube section 122 can rotate relative to the output tube section 123 and the preheating tube section 121, guaranteeing the reliability of the rotary drive 23's drive over the rotating part and the activation tube section 122. Simultaneously, this configuration enables tiered heating of the low-rank coal, ensuring effective activation within the activation tube section 122. The preheating coil has a heating temperature range of 0-600℃.

[0046] like Figure 1 and Figure 2 As shown, the rotating part includes multiple transfer pipes 21 and multiple nozzles 22. The cavity of the nozzle 22 forms a spray channel 202. The multiple transfer pipes 21 are located inside the housing 11 and are circumferentially spaced around the activation pipe section 122. Each transfer pipe 21 is provided with multiple nozzles 22 spaced apart along its extension direction. The nozzles 22 are connected to the activation pipe 12. The rotation drive 23 is disposed inside the cavity of the housing 11. The rotation drive 23 includes a second drive motor 231 and a drive ring 232 connected to each other. The drive ring 232 covers the multiple transfer pipes 21 to drive the multiple transfer pipes 21 to rotate around the activation pipe 12.

[0047] In this embodiment, the transfer pipe 21 is a straight pipe with its axis parallel to the axis of the activation pipe 12. Any transfer pipe 21 and multiple nozzles 22 disposed on it form an activation group. Multiple activation groups are disposed in the housing and arranged around the activation pipe section 122 of the activation pipe 12, ensuring that the activation pipe section 122 can be sprayed in both the circumferential and axial directions, ensuring the comprehensiveness of the spraying of the activation cavity section 1012 of the activation pipe section 122, and ensuring the spraying effect of the activation pipe section 122. On the other hand, the drive ring 232 covers the outer periphery of multiple transfer pipes 21, and the inner wall of the drive ring 232 is connected to the outer wall of the multiple transfer pipes 21. The outer periphery of the drive ring 232 has external meshing patterns, and the output shaft of the second drive motor 231 has meshing gears or corresponding meshing patterns. The two mesh, and the second drive motor 231 drives the rotation of the drive ring 232, thereby driving the multiple transfer pipes 21 and the multiple nozzles 22 arranged on the multiple transfer pipes 21 to rotate. Since one end of the nozzle 22 passes through the activation tube section 122 and communicates with the activation chamber section 1012, it will drive the activation tube section 122 to rotate together, thereby stirring and dispersing the material flowing through the activation chamber section 1012. The outer periphery of the activation tube section 122 has multiple spaced openings, and the multiple nozzles 22 are correspondingly inserted into the multiple openings and connected to the inner wall of the openings, so as to facilitate the driving of the activation tube section 122 by the nozzles 22.

[0048] Optionally, the activation section further includes a flue gas combustion duct 27, located between the transfer duct 21 and the activation section 122. The flue gas combustion duct 27 has a sequentially connected return flue gas passage 204, an auxiliary heating passage 203, and an exhaust passage 205. The auxiliary heating passage 203 is an annular cylindrical cavity. The return flue gas passage 204 is located at one end of the auxiliary heating passage 203 facing the output section 123 and is connected to the output cavity section 1013 or the activation cavity section 1012 to recover the combustible flue gas generated during activation in the activation cavity section 1012. Multiple nozzles 22 pass through the auxiliary heating... The channel 203 is configured such that, taking high-temperature steam as the activator, the combustible flue gas (CH4, H2, CO2, etc.) recovered into the auxiliary heating channel 203 is ignited to generate heat. This heat heats the multiple nozzles 22 passing through the auxiliary heating channel 203 and the high-temperature steam flowing through it, ensuring the reliability of the high-temperature steam activation of low-rank coal. Furthermore, the exhaust channel 205 is located at one end of the auxiliary heating channel 203 facing the preheating pipe section 121 and protrudes from the shell 11 to discharge and centrally treat the exhaust gas generated by combustion in the auxiliary heating channel 203. This configuration enables the secondary utilization of the combustible flue gas generated during the activation process, ensuring the reliability and stability of the activation of low-rank coal. Moreover, since the auxiliary heating channel 203 surrounds the outer periphery of the activation chamber section 1012, the heat generated by the combustion flue gas in the auxiliary heating channel 203 can also provide appropriate insulation for the activation chamber section 1012, which is beneficial for maintaining the activation environment within the activation chamber section 1012, further ensuring the reliability of the activation of low-rank coal and guaranteeing the activation efficiency. Due to the limiting fit between the nozzle 22 and the auxiliary heating channel 203, the auxiliary heating channel 203 rotates along with the rotating part and the activation tube section 122 when the rotating drive 23 drives them to rotate. Furthermore, in this embodiment, the flue gas combustion pipe 27 and the activation pipe 12 are integrally formed, reducing the furnace size and shortening the flue gas path. The igniter inside the flue gas combustion pipe 27 is a high-pressure pulse ignition device, and to aid combustion, an air / oxygen inlet hole can be provided at the top of the flue gas combustion pipe 27 to introduce air / oxygen into the flue gas combustion pipe 27 during combustion. An induced draft fan can be installed at the end of the exhaust channel 205 protruding from the furnace body to increase the gas flow rate.

[0049] Optionally, in this embodiment, the radial dimension of the nozzle 22 (spray channel 202) gradually increases in the direction from the transfer pipe 21 toward the activation section 122. This configuration increases the spray area of ​​the nozzle 22 (spray channel 202) on the activation chamber 1012, ensuring the reliability of the spray activation of low-rank coal within the activation chamber 1012. Specifically, in this embodiment, the nozzle 22 (spray channel 202) is a conical cylindrical channel with its centerline inclined axially relative to the activation chamber 1012. This configuration helps to increase the heat exchange area between the auxiliary heating channel 203 and the spray channel 202, ensuring the heat preservation or heating effect of the auxiliary heating channel 203 on the spray channel 202.

[0050] like Figures 1 to 4 As shown, the activation part also includes a limiting part, which includes a first stator 24 and a second stator 25. The rotating part also includes an inner rotor 26. The first stator 24 is connected to the housing 11. The inner rotor 26 is rotatably disposed in the first stator 24. The inner rotor 26 has multiple through-feed channels 261 distributed along its circumference. The multiple feed channels 261 and multiple transfer pipes 21 are connected one-to-one to form a transfer cavity 201. The second stator 25 is disposed at the end of the first stator 24 away from the housing 11. The output pipe section 123 protrudes from the housing 11 and passes through the inner rotor 26 and the second stator 25 in sequence.

[0051] In this embodiment, the limiting part is used to limit the output pipe section 123 of the activation pipe 12 and provide activator to the nozzle 22. The feeding channel 261 is a cylindrical channel. Multiple feeding channels 261 are connected to multiple transfer pipes 21 one by one to provide activator to the multiple transfer pipes 21. The inner rotor 26 is rotatably set to ensure the connection between the feeding channel 261 and the transfer pipe 21, and to avoid the situation where the transfer pipe 21 separates from the corresponding feeding channel 261 during rotation, which would cause problems with the supply of activator and ensure the reliability of the supply of activator.

[0052] Optionally, the first stator 24 has an annular receiving cavity, in which the inner rotor 26 is rotatably disposed and fitted with the inner wall of the annular receiving cavity. The second stator 25 includes a stator body 251 and a plug 252. The stator body 251 is connected to the first stator 24. The side of the stator body 251 facing away from the first stator 24 has an annular feed port 253, which is connected to multiple feed channels 261. The plug 252 is detachably disposed on the stator body 251 to block or open the annular feed port 253. This arrangement facilitates the addition of activator by the operator and ensures the reliability of supplying activator to the multiple feed channels 261. Furthermore, in this embodiment, the first stator 24, the second stator 25, and the housing 11 are fixedly connected by multiple sets of bolt assemblies distributed circumferentially. The side of the feeding channel 261 facing the annular feeding port 253 is a spherical groove to facilitate the guidance and containment of the activator entering the feeding channel 261.

[0053] The housing 11 includes a main housing 111 and a burner head housing 112 disposed at one end of the main housing 111. The end plate of the main housing 111 away from the burner head housing 112 has a plurality of first bolt holes distributed circumferentially. The first stator 24 has a plurality of second bolt holes distributed circumferentially and penetrating through it. The second stator 25 has a plurality of third bolt holes distributed circumferentially and penetrating through it. Any group of corresponding third bolt holes, second bolt holes and first bolt holes forms a bolt hole group. The bolt assembly is a countersunk bolt. The plurality of bolt hole groups and the plurality of countersunk bolts correspond one-to-one. The plurality of countersunk bolts are respectively inserted into the plurality of bolt hole groups to realize the connection between the first stator 24, the second stator 25 and the housing 11. A limiting part is located at the end of the main shell 111 opposite to the burner head shell 112. The radial dimension of the main shell 111 is larger than that of the burner head shell 112. The activation tube section 122 is located inside the main shell 111. The preheating tube section 121 protrudes from the main shell 111 and passes through the burner head shell 112. The output tube section 123 passes through the main shell 111 and the limiting part. Furthermore, the furnace body also includes an O-ring seal 17, which is located between the end plate of the main shell 111 opposite to the burner head shell 112 and the first stator 24 to ensure a sealing effect after the activation part is connected to the furnace body.

[0054] Optionally, the inner wall of the annular receiving cavity of the first stator 24 has a first annular groove, a first sealing groove, a second annular groove, and a second sealing groove spaced apart sequentially. The limiting part also includes a first rotating bearing 281, a second rotating bearing 282, a first rotating sealing ring 291, and a second rotating sealing ring 292. The first rotating bearing 281 is disposed in the first annular groove, the first rotating sealing ring 291 is disposed in the first sealing groove, the second rotating bearing 282 is disposed in the second annular groove, and the second rotating sealing ring is disposed in the second sealing groove. This arrangement ensures the reliability and stability of the relative rotation between the first stator 24 and the inner rotor 26, while also ensuring the seal between them. Further, the side of the first stator 24 facing the second stator 25 has a third sealing groove, and the limiting part also includes a third rotating sealing ring 293. The third rotating sealing ring 293 is disposed in the third sealing groove and seals with the inner wall of the annular receiving cavity, the outer wall of the inner rotor 26, and the side wall of the second stator 25 respectively, ensuring the reliability of the seal after the three are connected. In this embodiment, the outer surface of the inner rotor 26 has a stepped structure to facilitate the installation and positioning of the inner rotor 26 and the first stator 24.

[0055] Specifically, the material homogenizing component 30 drives the material to rotate in the opposite direction to the rotation of the rotating part and the activation tube section 122 driven by the rotary drive component 23. This arrangement further improves the stirring and dispersing effect of the material in the activation chamber section 1012, which is beneficial to improving the activation effect and activation efficiency.

[0056] like Figure 1As shown, the low-rank coal activation furnace also includes a first adjustment component 41 and a second adjustment component 42. The second adjustment component 42 is located below the furnace body to adjust the tilt angle of the furnace body and the activation chamber 101 relative to the horizontal plane. The first adjustment component 41 is spaced apart from the furnace body and connected to the material equalization component 30 to adjust the tilt angle of the material equalization component 30 relative to the horizontal plane and keep the axis of the material equalization component 30 coincident with the axis of the activation chamber 101.

[0057] This design allows staff to adjust the overall tilt angle of the low-rank coal activation furnace according to actual conditions, enabling effective control of the materials within the furnace. On the other hand, the second adjustment component 42 is primarily used to adjust the tilt angle of the furnace body and / or activation section relative to the horizontal plane, while the first adjustment component 41 is used to adjust the tilt angle of the material distribution component 30 relative to the horizontal plane. This avoids situations where the material distribution component 30 cannot tilt with the furnace body and activation section, thus preventing obstruction of the adjustment process and ensuring the reliability of the tilt angle adjustment of the main body of the low-rank coal activation furnace. In this embodiment, the first adjustment component 41 and the second adjustment component 42 can adjust the tilt of the low-rank coal activation furnace relative to the horizontal plane within a range of 0-90°C, thereby achieving effective control over the material stacking method, material movement path, and other processes. The tilt relative to the horizontal plane is a left-high, right-low tilt. With this setting, the material slides down under the action of gravity, the material layer on the output cavity 1013 side is thinner, and the material layer on the preheating cavity 1011 and activation cavity 1012 side is thicker, so that most of the material can be activated multiple times, effectively improving its porosity.

[0058] Specifically, the first adjustment component 41 includes a pushing component and a rotating component. The pushing component is fixedly mounted on a horizontal surface and driven to one end of the rotating component. The other end of the rotating component is connected to one end of the material equalization component 30 that protrudes from the furnace body. The pushing component pushes one end of the rotating component to move in the horizontal direction to adjust the tilt angle of the rotating component relative to the horizontal surface and drive the material equalization component 30 to rotate relative to the horizontal surface.

[0059] In this embodiment, the horizontal movement applied by the pushing component is converted into rotation by the rotating component, avoiding the situation where the rotating component is directly connected to the material leveling component 30, and the torque required to drive the material leveling component 30 to rotate is too large, which may cause damage to the rotating component or the connection position between the rotating component and the material leveling component 30. This ensures the reliability of adjusting the tilt angle of the material leveling component 30 relative to the horizontal plane.

[0060] Furthermore, the driving assembly includes a support frame 411, a rotating gear 412, and a transmission rod 413. The rotating gear 412 is rotatably mounted on the support frame 411, and the transmission rod 413 has external meshing patterns on its outer periphery. The transmission rod 413 is horizontally mounted on and meshes with the rotating gear 412. The rotating assembly includes a support platform 414, a crank 415, a hinge rod 416, and a guide rod 417. One end of the crank 415 is fixedly connected to the support platform 414, and the support platform 414 is used for... One end of the supporting material distribution assembly 30 protrudes from the furnace body, and the other end of the crank 415 has a first rounded rectangular guide groove 4151. The guide rod 417 is horizontally arranged and has a second rounded rectangular guide groove 4171. The hinge rod 416 is arranged at the overlapping position of the first rounded rectangular guide groove 4151 and the second rounded rectangular guide groove 4171, and the hinge rod 416 is slidably arranged along the first rounded rectangular guide groove 4151 and the second rounded rectangular guide groove 4171. The transmission rod 413 and the hinge rod 416 are drivenly connected.

[0061] In this embodiment, the guide rod 417 is placed horizontally and the second rounded rectangular guide groove 4171 extends horizontally. The support frame 411 supports the rotating gear 412. The rotating gear 412 rotates and drives the transmission rod 413 to move horizontally. The transmission rod 413 drives the hinge rod 416 to translate along the second rounded rectangular guide groove 4171 of the guide rod 417. Since the hinge rod 416 is also hinged to the crank 415, it drives the end of the crank 415 connected to the hinge rod 416 to move and drive the crank 415 to rotate. Similarly, in this process, the first rounded rectangular guide groove 4151 also plays a guiding and limiting role on the hinge rod 416. After the crank 415 rotates, the support platform 414 set at one end of the crank 415 is tilted relative to the horizontal plane, which makes the material equalization assembly 30 tilt relative to the horizontal plane.

[0062] Among them, such as Figure 1 As shown, in this embodiment, when the hinge rod 416 is at the rightmost end of the first rounded rectangular guide groove 4151 and the second rounded rectangular guide groove 4171, the low-rank coal activation furnace is horizontally positioned. When the transmission rod 413 drives the hinge rod 416 to move to the left, the material equalization component 30 can be tilted to the left with a higher angle than the right, and the tilt angle is proportional to the movement distance of the hinge rod 416. Furthermore, in this embodiment, the meshing of the rotating gear 412 and the transmission rod 413 is used to adjust the tilt of the material equalization component 30, eliminating the need for a self-locking component to limit the tilt angle of the material equalization component 30. It should be noted that the first adjustment component 41 and the second adjustment component 42 are not limited to the above structures, and will not be listed here.

[0063] like Figure 1As shown, the material distribution assembly 30 includes a first drive motor 31, a rotating shaft 32, and a ribbon material distribution device 33 connected in sequence. The rotating shaft 32 rotatably passes through the furnace body and is installed at one end of the activation chamber 101. The first drive motor 31 is located outside the furnace body, and the ribbon material distribution device 33 is located inside the activation chamber 101. The first drive motor 31 drives the rotating shaft 32 and the ribbon material distribution device 33 to rotate, so as to stir and transport the material in the activation chamber 101. The first drive motor 31 is located at the end of the rotating assembly away from the pushing assembly.

[0064] In this embodiment, the material equalization assembly 30 further includes a third rotating bearing 34, which is located at the end of the furnace head shell 112 away from the main shell 111. The rotating shaft 32 is rotatably mounted inside the third rotating bearing 34, and the first drive motor 31 is located outside the shell 11 and mounted on the support platform 414. This configuration allows for the rotational drive of the rotating shaft 32 and the ribbon-type equalization device 33 through the connection between the first drive motor 31 and the rotating shaft 32. The ribbon-type equalization device 33 includes spiral blades 331 and multiple material distributors 332 mounted on the spiral blades 331. This configuration facilitates the stirring and transport of materials (coal, activated carbon, flue gas, impurities, etc.) in the activation chamber 101 during rotation via the spiral blades 331. Simultaneously, the multiple material distributors 332 ensure that the materials remain in a loose and dispersed state, guaranteeing better contact and action of the activator on the low-rank coal, preventing material accumulation in the gaps between the curved surfaces of the spiral blades 331, and achieving sufficient dispersion of materials during the activation process.

[0065] Optionally, the material distributor 332 has a blade-like structure. The width of the blade-like structure gradually decreases or first decreases and then increases in the direction from the side connected to the spiral blade 331 to the side away from the spiral blade 331. This design ensures that the material is agitated and dispersed by the material distributor 332 during the rotation of the spiral surface of the spiral blade 331, guaranteeing effective mixing and dispersion of the material. It is understood that the shape and size of the material distributor 332 can be adjusted according to actual conditions, and examples are not provided here. Specifically, such as... Figure 5As shown, the material distributor 332 is a blade-shaped three-dimensional structure composed of multiple curved surfaces. Its width first decreases and then increases in the direction from the side connected to the spiral blade 331 to the side away from the spiral blade 331. The overall shape is wide at both ends and narrow in the middle. The material distributor 332 is set on the spiral blade 331 and its extension direction is inclined relative to the horizontal plane. A groove 3321 for accelerating the material and breaking and dividing the material is opened at the end of the material distributor 332 away from the spiral blade 331. The groove 3321 divides this end of the material distributor 332 into two parts. As multiple material distributors 332 rotate with the spiral blades 331, the material rises along the extension direction of the material distributors 332 (the material is carried up by the rotation) because the end of the material distributor 332 connected to the spiral blades 331 is wider. Under the action of the narrower middle part of the rotating material distributor 332, the rising material is stirred and dispersed towards both ends of the material distributor 332. The material dispersed to the end of the material distributor 332 away from the spiral blades 331 flows faster under the action of the grooves 3321 and is thrown towards the preheating chamber section 1011 and the activation chamber section 1012. This arrangement improves the dispersion and stirring effect of the material, while also improving the conveying effect of the material and preventing problems such as material sticking or uneven heating.

[0066] It is important to note that the length of the ribbon feeder 33 is the same as the length of the activation chamber 101 to ensure the reliability and comprehensiveness of the mixing and transportation of materials within the activation chamber 101. The distribution length of the multiple material distributors 332 along the axial direction of the spiral blades 331 is equal to the sum of the lengths of the activation chamber section 1012 and the preheating chamber section 1011 to ensure sufficient dispersion of low-rank coal and other materials. Furthermore, the maximum radial dimension of the ribbon feeder 33 is smaller than the radial dimension of the activation chamber 101 to avoid damage to the activation chamber 101 or the ribbon feeder 33 caused by friction between the ribbon feeder 33 and the inner wall of the activation chamber 101 during rotation, thus ensuring the reliability of the rotation of the ribbon feeder 33.

[0067] like Figure 1As shown, the second adjustment assembly 42 includes a telescopic assembly 421, a hinge shaft 422, and a support base 423 connected in sequence. The telescopic assembly 421 is disposed on a horizontal plane, and the support base 423 is fixedly connected to the side of the furnace body away from the first adjustment assembly 41. The support base 423 is hinged to the telescopic assembly 421 via the hinge shaft 422. The telescopic assembly 421 is telescopically configured to adjust the tilt angle of the furnace body relative to the horizontal plane. This configuration allows adjustment of the tilt angle of the furnace body and the activation section relative to the horizontal plane by extending and retracting the telescopic assembly 421. Specifically, one end of the furnace body and the activation section is height-limited by the first adjustment assembly 41. By extending and retracting the telescopic assembly 421, the height of the furnace body at the position connected to the furnace body is raised or lowered, thereby adjusting the tilt of the furnace body and the activation section disposed within the furnace body relative to the horizontal plane. The telescopic assembly 421 is a telescopic cylinder.

[0068] like Figure 1 As shown, the furnace body also includes a feeder 13, a discharger 14 and a discharge valve 15. The feeder 13 and the discharger 14 are connected to the preheating pipe section 121 and the output pipe section 123, respectively. The discharge valve 15 is closable on the discharger 14 to open and close the discharge port of the discharger 14.

[0069] In this embodiment, the feeder 13 has a hopper-type structure. The main body of the feeder hopper is located outside the housing 11. The feed pipe of the feeder hopper, which is connected to the main body of the feeder hopper, passes through the main housing 111, the preheating pipe section 121, and is connected to the preheating chamber section 1011. The unloader 14 also has a hopper-type structure. The end of the unloader hopper with a larger opening is located on the side wall of the output pipe section 123 that protrudes from the housing 11 and is connected to the output chamber section 1013. The end of the unloader hopper with a smaller opening is the unloading port. The unloading valve 15 is used to block or open the unloading port of the unloader hopper. In this embodiment, the unloader hopper and the output pipe section 123 of the unloader 14 are integrally formed.

[0070] Optionally, an air hammer can be installed on the surface of the unloader 14 to prevent material accumulation or bridging within the unloader 14, depending on actual conditions. In this embodiment, the unloader 14 is a V-shaped unloading cylinder. In other embodiments (not shown), the taper of the unloader 14 can be adjusted according to the collapse angle of the material. The set angle should be sufficient to ensure that the material falls stably at that angle without bridging or accumulation. Preferably, the feeder 13 can be equipped with a double butterfly valve structure or a planetary valve structure according to actual needs to ensure the reliability and controllability of the feeding.

[0071] Another embodiment of the present invention provides a low-rank coal activation furnace, which differs from the above embodiments in that the rotating part includes an annular cylindrical pipe and multiple nozzles 22. The cavity of the nozzle 22 forms a spray channel 202. The annular cylindrical pipe is arranged around the activation pipe section 122. The nozzles 22 and the activation pipe 12 are connected. A rotation drive 23 is disposed in the housing 11. The rotation drive 23 includes a second drive motor 231 and a drive ring 232 connected to each other. The drive ring 232 covers the annular cylindrical pipe to drive the annular cylindrical pipe to rotate around the activation pipe 12. This arrangement integrates the multiple transfer pipes 21 in the above embodiments into a single annular cylindrical pipe, which facilitates processing while ensuring its effectiveness.

[0072] Another embodiment of the present invention provides a production method applied to the aforementioned low-rank coal activation furnace, the production method comprising:

[0073] S1: The operator closes the unloading valve 15 of the furnace body and preheats the activation chamber 101;

[0074] S2: Start the activation section to activate the activation chamber 101 by spraying it with activation. Add low-rank coal into the activation chamber 101 through the feeder 13 of the furnace body. At the same time, start the material equalization component 30 to stir and transport the low-rank coal and products in the activation chamber 101.

[0075] S3: According to process requirements, the rotary drive motor of the activation section and the inner rotor 26 of the activation section are turned on, so that the transfer chamber 201 and multiple spray channels 202 rotate around the activation chamber 101.

[0076] S4: Determine whether it is necessary to adjust the first adjustment component 41 and the second adjustment component 42 of the low-rank coal activation furnace according to the actual situation, so as to adjust the tilt angle of the furnace body and the uniform material component 30 relative to the horizontal plane.

[0077] S5: The low-rank coal is carbonized and activated, and the resulting material is pushed into the unloader 14 of the furnace body and cooled down; then the unloading valve 15 is opened, and the material in the unloader 14 falls into the receiving bin under the action of gravity, thus obtaining the carbonized activated material.

[0078] This setup ensures the reliability of the low-rank coal activation furnace in activating low-rank coal. Specifically, the production method also includes S6: after the activated carbonized material is removed, the carbonized material is first passed through a negative pressure adsorption box to remove dust from the activated pores of the carbonized material, and then the dust-removed carbonized material is subjected to dry batch drying treatment to finally obtain the desired low-rank coal-based porous carbon. In this embodiment, the cooling in step S5 is achieved through heat exchange with air during the unloading process.

[0079] In summary, this invention provides a low-rank coal activation furnace and production method. The material homogenizing component 30 agitates the low-rank coal and activation materials within the activation chamber 101, improving the activation effect. Simultaneously, it facilitates the transport of materials from the preheating pipe section 121 to the output pipe section 123, enhancing the transfer and activation efficiency of the low-rank coal activation furnace. Multiple spray channels 202 spray the cavity within the activation pipe section 122, rapidly forming a mist-like activation zone and activating the low-rank coal, thus improving the activation effect. The rotary drive component 23 drives the rotation of the rotating part and the activation pipe section 122, achieving rotary spraying of the low-rank coal flowing through the activation pipe section 122, further ensuring the uniformity of the activator spray. Furthermore, the cooperation between the rotary drive component 23 and the material homogenizing component 30 enhances the agitation and dispersion of the low-rank coal flowing through the activation pipe section 122, further improving the activation effect of the low-rank coal activation furnace. The combustible flue gas generated during the activation process is reused through the flue gas combustion pipe 27, ensuring the reliability and stability of the activation of low-rank coal. The first adjustment component 41 and the second adjustment component 42 allow operators to easily adjust the overall tilt angle of the low-rank coal activation furnace according to actual conditions, achieving effective control of the materials within the furnace. Through the technical solution of this invention, the prepared activated carbon has a specific surface area of ​​800-2000 m² / g, a reasonable pore size distribution, and is mainly concentrated in mesopores of 2-50 nm, with a mesopore occupancy rate reaching up to 60%.

[0080] In this embodiment (Embodiment 1), the low-rank coal activation furnace is placed horizontally. The specific working principle is as follows: The low-rank coal is crushed to below 100 mesh. The discharge valve 15 is closed, and the preheating coil wound around the outer circumference of the preheating pipe section 121 is turned on, heating the preheating chamber section 1011 to 500°C. The CH4, H2, CO2, and other flue gases generated by the low-rank coal during heating enter the flue gas combustion pipe 27, where they are ignited by the igniter and generate heat. Then, the activator is supplied. The activator sequentially passes through the annular feed port 253, the feed channel 261, and the transfer pipe 21, and is sprayed into the activation chamber section 1012 through the nozzle 22. During the flow of the activator through the nozzle 22, it is reheated by the heat generated by the combustion flue gas in the flue gas combustion pipe 27. The activator is then added to the preheating chamber section 1011 through the feeder 13, and the material equalization component 30 is activated to stir and transport the material. The material is fed into the chamber. The rotation drive 23 is activated or paused according to process requirements, correspondingly activating or pausing the rotation of the inner rotor 26. The material tumbles and advances under the action of the ribbon feeder 33, and fully contacts the activator in the activation chamber 1012, undergoing activation. Under the action of the micro-positive pressure activator spray and the material distributor 332 on the spiral blades 331, the material is in a loose and dispersed state, allowing for better interaction with the activator. After activation, the material is pushed to the output pipe section 123. Since this section lacks a heating environment, the material is cooled in this area. Finally, the discharge valve 15 is opened, allowing the material carried by the spiral blades 331 to the discharger 14 area to fall into the receiving hopper under gravity, thus obtaining the carbonized activated material. After the activated carbonized activated material is removed, it is first passed through a negative pressure adsorption box to remove dust from the activated pores. Then, the dust-removed carbonized activated material undergoes dry batch drying treatment, finally obtaining the desired low-rank coal-based porous carbon. Under the above working principle, the obtained low-rank coal-based porous carbon has a specific surface area of ​​800 m² / g and a mesopore ratio of 55%.

[0081] Another embodiment of the present invention (Embodiment 2) provides a low-rank coal activation furnace and production method, which differs from the above embodiment (Embodiment 1) in that the preheating chamber 1011 is heated to 600°C, and the activator is sprayed by pulse injection. The low-rank coal-based porous carbon obtained in this embodiment has a specific surface area of ​​1220 m² / g and a mesopore ratio of 64%.

[0082] Another embodiment of the present invention (Embodiment 3) provides a low-rank coal activation furnace and production method. The difference from the above embodiment (Embodiment 2) is that an air / oxygen inlet hole can be provided at the top of the flue gas combustion pipe 27 to introduce air / oxygen into the flue gas combustion pipe 27 during flue gas combustion to aid combustion. An induced draft fan can be installed at one end of the exhaust channel 205 protruding from the furnace body to increase the gas flow rate, thereby raising the temperature in the activation chamber section 1012 to 1000℃. The low-rank coal-based porous carbon obtained in this embodiment has a specific surface area of ​​1600 m² / g and a mesopore ratio of 26%.

[0083] Another embodiment of the present invention (Embodiment 4) provides a low-rank coal activation furnace and production method. The difference from the above embodiment (Embodiment 3) is that the low-rank coal activation furnace is tilted 30° relative to the horizontal plane, extending the reaction time of the material within the furnace and thus making the entire activation reaction more complete. The low-rank coal-based porous carbon obtained in this embodiment has a specific surface area of ​​2000 m² / g and a mesopore ratio of 38%.

[0084] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0085] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0086] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0087] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0088] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0089] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A low-rank coal activation furnace, characterized by, The low-rank coal activation furnace comprises a furnace body, an activation part, a material mixing assembly and a first adjusting assembly and a second adjusting assembly. The furnace body comprises an activation pipeline (12), a cavity in the activation pipeline (12) is an activation cavity (101) for activating low-rank coal material, and the activation pipeline (12) comprises a preheating pipeline section (121), an activation pipeline section (122) and an output pipeline section (123) connected in sequence. The activation part comprises a rotating part and a rotating driving member (23), the rotating part is provided with a transfer cavity (201) and a plurality of spray channels (202), the transfer cavity (201) is arranged around the activation pipeline section (122) and the output pipeline section (123) and is used for transferring activation agent, the plurality of spray channels (202) are distributed along the circumference and the axis of the transfer cavity (201), and the two ends of the spray channels (202) are respectively communicated with the transfer cavity (201) and the cavity of the activation pipeline section (122). The rotating driving member (23) is used for driving the rotating part and the activation pipeline section (122) to rotate along the circumference of the furnace body. The material mixing assembly (30) is rotatably arranged in the preheating pipeline section (121) and protrudes from the furnace body to stir the material in the activation cavity (101) and push the material to move along the axis of the activation cavity (101). The low-rank coal activation furnace further comprises a first adjusting assembly (41) and a second adjusting assembly (42), the second adjusting assembly (42) is arranged below the furnace body to adjust the inclination angle of the furnace body and the activation cavity (101) relative to a horizontal plane, the first adjusting assembly (41) is spaced from the furnace body and connected with the material mixing assembly (30) to adjust the inclination angle of the material mixing assembly (30) relative to the horizontal plane and keep the axis of the material mixing assembly (30) coincident with the axis of the activation cavity (101).

2. The low-rank coal activation furnace of claim 1, wherein The first adjusting assembly (41) comprises a pushing assembly and a rotating assembly, the pushing assembly is fixedly arranged on the horizontal plane and drivingly connected with one end of the rotating assembly, the other end of the rotating assembly is connected with one end of the material mixing assembly (30) protruding from the furnace body, and the pushing assembly pushes the one end of the rotating assembly to move in the horizontal direction to adjust the inclination angle of the rotating assembly relative to the horizontal plane and drive the material mixing assembly (30) to rotate relative to the horizontal plane. The furnace body further comprises a preheating coil, a sealing rotating bearing (16) and a shell (11), the activation pipeline section (122) and the output pipeline section (123) are arranged in the shell (11), the preheating coil is arranged around the preheating pipeline section (121), the activation pipeline section (122) is rotatably connected with the preheating pipeline section (121) through one sealing rotating bearing (16), and the activation pipeline section (122) is rotatably connected with the output pipeline section (123) through another sealing rotating bearing (16).

3. The low-rank coal activation furnace of claim 2, wherein, The rotating part comprises a plurality of transfer pipes (21) and a plurality of nozzles (22), the cavities of the nozzles (22) form the spraying channels (202), the plurality of transfer pipes (21) are arranged in the shell (11) and are spaced around the circumference of the activation pipe section (122), a plurality of the nozzles (22) are arranged on any one of the transfer pipes (21) and are spaced along the extension direction of the transfer pipe (21), the nozzles (22) are connected to the activation pipe (12), the rotating driver (23) is arranged in the cavity of the shell (11), the rotating driver (23) comprises a second driving motor (231) and a driving ring (232) connected to each other, the driving ring (232) covers the plurality of transfer pipes (21) to drive the plurality of transfer pipes (21) to rotate around the activation pipe (12).

4. The low-rank coal activation furnace of claim 3, wherein The activation part further comprises a limiting part, the limiting part comprises a first stator (24) and a second stator (25), the rotating part further comprises an inner rotor (26), the first stator (24) is connected to the shell (11), the inner rotor (26) is rotatably arranged in the first stator (24), the inner rotor (26) has a plurality of feed channels (261) penetrating and distributed around the circumference of the inner rotor (26), the plurality of feed channels (261) and the plurality of transfer pipes (21) are in one-to-one correspondence and communicate to form the transfer cavities (201), the second stator (25) is arranged at one end of the first stator (24) away from the shell (11), the output pipe section (123) protrudes from the shell (11) and sequentially passes through the inner rotor (26) and the second stator (25).

5. The low-rank coal activation furnace of claim 2, wherein The rotating part comprises a plurality of nozzles (22) and a ring-shaped cylindrical pipe, the cavities of the nozzles (22) form the spraying channels (202), the ring-shaped cylindrical pipe is arranged around the activation pipe section (122), the nozzles (22) are connected to the activation pipe (12), the rotating driver (23) is arranged in the shell (11), the rotating driver (23) comprises a second driving motor (231) and a driving ring (232) connected to each other, the driving ring (232) covers the ring-shaped cylindrical pipe to drive the ring-shaped cylindrical pipe to rotate around the activation pipe (12).

6. The low-rank coal activation furnace of claim 1, wherein The material uniformizing assembly (30) drives the turning of the material, and the rotating driver (23) drives the turning of the rotating part and the activation pipe section (122) in the opposite direction.

7. The low-rank coal activation furnace of claim 1, wherein The pushing assembly comprises a support frame (411), a rotating gear (412) and a transmission rod (413), the rotating gear (412) is rotatably arranged on the support frame (411), and the transmission rod (413) has an outer engaging pattern on the outer periphery, and is horizontally arranged on the rotating gear (412) and engaged with the rotating gear (412); the rotating assembly comprises a support table (414), a crank (415), a hinged rod (416) and a guide rod (417), one end of the crank (415) is fixedly connected with the support table (414), the support table (414) is used for supporting one end of the material uniformizing assembly (30) protruding from the furnace body, the other end of the crank (415) has a first circular rectangular guide groove (4151), the guide rod (417) is horizontally arranged and has a second circular rectangular guide groove (4171), the hinged rod (416) is arranged at the overlapping position of the first circular rectangular guide groove (4151) and the second circular rectangular guide groove (4171), and the hinged rod (416) is slidably arranged along the first circular rectangular guide groove (4151) and the second circular rectangular guide groove (4171), the transmission rod (413) is connected with the hinged rod (416), and the transmission rod (413) drives the hinged rod (416) to move horizontally along the second circular rectangular guide groove (4171) of the guide rod (417).

8. The low-rank coal activation furnace of claim 1, wherein The material uniformizing assembly (30) comprises a first driving motor (31), a rotating shaft (32) and a screw belt type material uniformizer (33) connected in sequence, the rotating shaft (32) is rotatably arranged through the furnace body and at one end of the activation cavity (101), the first driving motor (31) is located outside the furnace body, the screw belt type material uniformizer (33) is located in the activation cavity (101), the first driving motor (31) drives the rotating shaft (32) and the screw belt type material uniformizer (33) to rotate, so as to stir and transport the material in the activation cavity (101), and the first driving motor (31) is arranged at the end of the rotating assembly away from the pushing assembly.

9. The low-rank coal activation furnace of claim 1, wherein The second adjusting assembly (42) comprises a telescopic assembly (421), a hinged shaft (422) and a support seat (423) connected in sequence, the telescopic assembly (421) is arranged on a horizontal plane, the support seat (423) is fixedly connected with the side of the furnace body away from the first adjusting assembly (41), the support seat (423) is hinged with the telescopic assembly (421) through the hinged shaft (422), and the telescopic assembly (421) is telescopically arranged to adjust the inclination angle of the furnace body relative to the horizontal plane.

10. The low-rank coal activation furnace of claim 4, wherein The furnace body also includes a feeder (13), a discharger (14) and a discharge valve (15). The feeder (13) and the discharger (14) are respectively connected to the preheating pipe section (121) and the output pipe section (123). The discharge valve (15) is closable on the discharger (14) to open and close the discharge port of the discharger (14).

11. A production method characterized by comprising: The production method is applied to the low-rank coal activation furnace according to claim 10, and the production method includes: S1: The operator closes the unloading valve (15) of the furnace body and preheats the activation chamber (101); S2: Start the activation section to activate the activation chamber (101) by spraying it with an activation agent. Add low-rank coal into the activation chamber (101) through the feeder (13) of the furnace body. At the same time, start the material equalization component (30) to stir and transport the low-rank coal and the products in the activation chamber (101). S3: According to process requirements, the second drive motor (231) of the activation section and the inner rotor (26) of the activation section are turned on, so that the transfer chamber (201) and the multiple spray channels (202) rotate around the activation chamber (101); S4: Determine whether it is necessary to adjust the first adjustment component (41) and the second adjustment component (42) of the low-rank coal activation furnace according to the actual situation, so as to adjust the tilt angle of the furnace body and the uniform material component (30) relative to the horizontal plane. S5: The low-rank coal is carbonized and activated, and the resulting material is pushed into the unloader (14) of the furnace body and cooled down; then the unloading valve (15) is opened, and the material in the unloader (14) falls into the receiving bin under the action of gravity, thereby obtaining the carbonized activated material.

Images