CN217479380U - Two-section type coal catalytic pyrolysis rotary furnace device - Google Patents
Two-section type coal catalytic pyrolysis rotary furnace device Download PDFInfo
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- CN217479380U CN217479380U CN202221675584.9U CN202221675584U CN217479380U CN 217479380 U CN217479380 U CN 217479380U CN 202221675584 U CN202221675584 U CN 202221675584U CN 217479380 U CN217479380 U CN 217479380U
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Abstract
The utility model provides a two segmentation coal catalytic pyrolysis rotary furnace devices, including the feeding mechanism, first section pyrolysis mechanism and the second section pyrolysis mechanism that connect gradually, first section pyrolysis mechanism includes first section gyrator and first transfer export ware, and first section gyrator installs the spiral piece including the insulating tube and the boiler tube of installing the connecting pipe in the boiler tube, installs the circulator outside the boiler tube, has seted up flue gas entry and exhanst gas outlet on the insulating tube, and second section pyrolysis mechanism includes second section gyrator and second transfer exporter. The utility model discloses a set up feeding mechanism and send into first section pyrolysis mechanism with the material, carry out first section coal catalytic pyrolysis reaction, then shift the material to second section pyrolysis mechanism and carry out second section coal catalytic pyrolysis reaction, divide into two sections with coal catalytic pyrolysis reaction and go on, realized the disconnect-type collection of light oil and heavy oil, realized low temperature catalytic pyrolysis reaction in the continuous type, improved the productivity.
Description
Technical Field
The utility model belongs to the technical field of energy equipment, concretely relates to two segmentation coal catalytic pyrolysis rotary furnace devices.
Background
The rotary furnace has existed as a conventional kiln for hundreds of years, the traditional rotary furnace realizes the function of stirring materials by virtue of the rotation of the whole furnace body, the rotary furnace does not have the function of conveying the materials, certain dust can be generated in the furnace body in the stirring process, and the dust and reaction gas with high viscosity are mixed together, so that the furnace body is blocked in the long run. At present, domestic equipment for coal pyrolysis is mainly a vertical carbonization furnace, but the vertical carbonization furnace can only use 30-80mm lump coal, and the generated coal gas has low heat value, low tar recovery rate, poor system sealing performance and poor operating environment. With the development of the product industry, in order to better meet the requirements of a process production line, higher requirements are put forward on the structure of the rotary furnace, the rotary furnace is required to complete basic heat treatment processing, and meanwhile, the rotary furnace is required to complete the processing process quickly, safely and efficiently.
In recent years, there have been few reports on studies on rotary kilns for catalytic pyrolysis of coal. The utility model discloses a self-transmission feeding type rotary furnace device, which comprises an outer furnace shell, wherein a furnace tube is assembled in the outer furnace shell, the interior of the furnace tube is hollow, a material filling cavity for containing materials is arranged in the furnace tube, the end part of the furnace tube is positioned outside the outer furnace shell, and the end part of the furnace tube is connected with a transmission conveying device which is used for controlling the rotation of the furnace tube; the inner thread conveying belt is arranged in the furnace tube, the inner thread conveying belt is spiral in shape, the spiral feeding belt is fixedly connected to the inner wall of the furnace tube, materials are added into the furnace tube through the device, the furnace tube rotates, and the materials are fed along the spiral direction of the inner thread conveying belt. Compared with the traditional rotary furnace, the device solves the technical problems of easy caking of materials, long blanking time, complex blanking and danger of the traditional rotary furnace, saves the labor time, improves the labor efficiency and increases the labor safety. The utility model discloses a self-cleaning anti-blocking air guide device for a pulverized coal pyrolysis rotary furnace, which is applied to a Xuzhou Cao chemical machinery manufacturing limited company with the application number of CN201822102022.5, and comprises a bracket for supporting the device, a motor, a speed reducer, a driving box, a shell and a screw shaft, wherein the screw shaft is driven by the motor to be sequentially connected with the speed reducer and the driving box and then penetrates through the shell, and the screw shaft can simultaneously perform circumferential rotation and axial reciprocating motion under the action of the motor and the driving box; the head end of the shell is provided with an air outlet, the tail end of the shell is an air inlet, and the air inlet is connected into the rotary furnace; the screw shaft is provided with a screw device, the cleaning device is arranged along the inner wall of the shell, and the cleaning device and the screw device are indirectly and alternately arranged. The utility model can automatically clean the wall material in the air duct when guiding the air duct, thereby preventing the air duct from being blocked. The invention patent with the application number of CN201510149584.3 of Changan university discloses a pulverized coal pyrolysis rotary furnace, wherein a preheating section, a pyrolysis section and a cooling section are arranged in the rotary furnace body; and a plurality of heat exchange tubes are arranged in the preheating section and the pyrolysis section, and a plurality of heat exchange tubes for cooling the semicoke are arranged in the cooling section. At least two hot flue gas inlets are arranged on the heat exchange tube of the pyrolysis section at intervals, so that the temperature distribution in the furnace length direction can be adjusted conveniently. The heat exchange tube rotary furnace has the advantages of large heat exchange area, large coal dust processing amount, simple structure and suitability for large-scale pyrolysis production of pulverized coal of more than million tons.
Above-mentioned current rotary furnace equipment has the structure complicacy, and heat transfer area is little and the thermal efficiency is low, the dust is great, can't realize in the pyrolysis process shortcomings such as collecting the oil gas segmentation, simultaneously, also can't realize the high-efficient of fine coal and bifunctional catalyst (heat carrier function and catalytic function) and mix to realize the catalytic conversion of coal catalytic pyrolysis and oil gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects of the prior art are overcome, and a two-section coal catalytic pyrolysis rotary furnace device is provided. The device sends into first section pyrolysis mechanism with the material through setting up feeding mechanism, carry out first section coal catalytic pyrolysis reaction, first section pyrolysis mechanism is equivalent to upper segment low temperature pyrolysis district, the collection of light oil and gas has been realized, the produced material of upper segment pyrolysis district shifts to in the second section pyrolysis mechanism, carry out second section coal catalytic pyrolysis reaction, second section pyrolysis mechanism is equivalent to hypomere medium temperature pyrolysis district, the collection of heavy oil and gas has been realized, divide into two sections with coal catalytic pyrolysis reaction and go on, the disconnect-type collection of light oil and heavy oil has been realized, ingenious will fail the material, stirring and rotary furnace combine, continuous type medium and low temperature catalytic pyrolysis reaction has been realized, the productivity is improved.
In order to solve the technical problem, the utility model adopts the technical scheme that: the two-section coal catalytic pyrolysis rotary furnace device is characterized by comprising a feeding mechanism, a first section pyrolysis mechanism and a second section pyrolysis mechanism which are connected in sequence, wherein the first section pyrolysis mechanism comprises a first section gyrator and a first transfer conveyor which are connected in sequence, the first section gyrator comprises a heat preservation pipe with connecting pipes arranged at two ends, a furnace pipe used for material flowing is arranged in the heat preservation pipe, a spiral part is arranged in the furnace pipe, a flue gas channel is reserved between the heat preservation pipe and the furnace pipe, a rotator which rotates the whole furnace pipe is arranged in the middle of the furnace pipe, the heat preservation pipe is divided into two parts by the rotator, the heat preservation pipe is provided with a flue gas inlet for introducing flue gas and a flue gas outlet for guiding out the flue gas, the first transfer conveyor comprises a cyclone dust collector, the upper part of the cyclone dust collector is connected with the connecting pipe of the first section gyrator through a first conveying pipe, cyclone upper portion still is provided with the oil gas export that stretches out the insulating tube, the cyclone lower part is passed through the second conveying pipeline and is connected with second section pyrolysis mechanism, second section pyrolysis mechanism transports the follower including the second section gyrator and the second that connect gradually, second section gyrator is the same with first section gyrator structure, the second is transported the follower and is transported the follower structure the same with first.
The two-section coal catalytic pyrolysis rotary furnace device is characterized in that the feeding mechanism comprises a feeding pipe and a spiral feeder arranged in the feeding pipe, and a first hopper and a second hopper which are used for feeding are arranged on the upper portion of the feeding pipe.
The two-section type coal catalytic pyrolysis rotary furnace device is characterized in that a first spiral conveyor and a second spiral conveyor for conveying materials are arranged in the first conveying pipe and the second conveying pipe respectively.
The two-section coal catalytic pyrolysis rotary furnace device is characterized in that the rotator comprises a large gear installed outside the furnace tube, the large gear is meshed with a driven gear, and the driven gear is driven by a speed regulating motor.
The two-section type coal catalytic pyrolysis rotary furnace device is characterized in that the first section gyrator and the second section gyrator form an included angle of 5 degrees with the ground.
The two-section coal catalytic pyrolysis rotary furnace device is characterized in that the first-section gyrator is provided with a wheel rim and a supporting riding wheel for supporting the furnace tube.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up feeding mechanism and send into first section pyrolysis mechanism with the material, carry out first section coal catalytic pyrolysis reaction, first section pyrolysis mechanism is equivalent to upper segment low temperature pyrolysis district, the collection of light oil and gas has been realized, the produced material of upper segment pyrolysis district shifts to in the second section pyrolysis mechanism, carry out second section coal catalytic pyrolysis reaction, second section pyrolysis mechanism is equivalent to hypomere medium temperature pyrolysis district, the collection of heavy oil and gas has been realized, divide into two sections with coal catalytic pyrolysis reaction and go on, the disconnect-type collection of light oil and heavy oil has been realized, ingenious will fail the material, the stirring combines with the rotary kiln, medium and low temperature catalytic pyrolysis reaction in the continuous type has been realized, the productivity is improved.
2. The utility model discloses a first section pyrolysis mechanism and second section pyrolysis mechanism are connected to cyclone, not only can effectual separation collect oil gas and the semicoke that the low temperature pyrolysis district produced, can provide good design for the development and the improvement of equipment in the future again.
3. The utility model discloses a set up hopper one and hopper two and add coal and catalyst respectively, during raw material coal and catalyst sent into the coal storage silo after crushing, screening, the material supply when satisfying the serialization operation has solved buggy and catalyst and has mixed inhomogeneous, the big problem of dust in the mixing process.
4. The catalytic pyrolysis temperature of the utility model adopts the external heat supply mode of flue gas, thereby recycling the flue gas heat of the rotary furnace and reducing the energy loss; the first section of gyrator is driven to rotate by the motor, so that the purposes of mixing, pyrolyzing and conveying the coal powder and the catalyst in the furnace are achieved, meanwhile, pyrolysis oil gas is fully contacted with the catalyst, and the pyrolysis efficiency is improved.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of the two-stage coal catalytic pyrolysis rotary furnace apparatus of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic structural diagram of the first stage pyrolysis mechanism of the present invention.
Description of reference numerals:
1-a feeding mechanism; 1-a feed tube; 1-2-screw feeder;
1-3-hopper one; 1-4, a second hopper; 2-a first stage pyrolysis mechanism;
3-a first stage gyrator; 3-1-connecting pipe; 3-2-heat preservation pipe;
3-furnace tube; 3-4-a helix; 3-5-flue gas channel;
4-a first transfer follower; 4-2-cyclone dust collector; 4-3-a first delivery pipe;
4-a first screw feeder; 4-5-oil gas outlet; 4-6-a second conveying pipeline;
4-7-a second spiral feeder; 5-a second stage pyrolysis mechanism; 6-a second section of gyrator;
7-a second transfer follower; 8-flue gas inlet; 9-a flue gas outlet;
10-a rotator; 10-1-gearwheel; 10-2-driven gear;
10-3-speed regulating motor; 11-a rim; 12-supporting riding wheels.
Detailed Description
As shown in fig. 1, 2 and 3, the two-stage coal catalytic pyrolysis rotary furnace device of the present invention comprises a feeding mechanism 1, a first pyrolysis mechanism 2 and a second pyrolysis mechanism 5 which are connected in sequence, wherein the first pyrolysis mechanism 2 comprises a first gyrator 3 and a first transfer follower 4 which are connected in sequence, the first gyrator 3 comprises a heat preservation pipe 3-2 with two ends both provided with a connecting pipe 3-1, a furnace pipe 3-3 for material flow is arranged inside the heat preservation pipe 3-2, a spiral piece 3-4 is arranged inside the furnace pipe 3-3, a flue gas channel 3-5 is left between the heat preservation pipe 3-2 and the furnace pipe 3-3, a rotator 10 for rotating the whole furnace pipe 3-3 is arranged in the middle of the furnace pipe 3-3, the rotator 10 divides the heat preservation pipe 3-2 into two parts, the two parts of the heat preservation pipes 3-2 are respectively provided with a flue gas inlet 8 for introducing flue gas and a flue gas outlet 9 for guiding out the flue gas, the first transfer output device 4 comprises a cyclone dust collector 4-2, the upper part of the cyclone dust collector 4-2 is connected with a connecting pipe 3-1 of the first section of gyrator 3 through a first material conveying pipe 4-3, the upper part of the cyclone dust collector 4-2 is also provided with an oil gas outlet 4-5 extending out of the heat preservation pipe 3-2, the lower part of the cyclone dust collector 4-2 is connected with a second section pyrolysis mechanism 5 through a second material conveying pipe 4-6, the second-stage pyrolysis mechanism 5 comprises a second-stage gyrator 6 and a second transfer output device 7 which are connected in sequence, the second section of gyrator 6 is identical to the first section of gyrator 3 in structure, and the second transfer output device 7 is identical to the first transfer output device 4 in structure.
It should be noted that, a two-section coal catalytic pyrolysis rotary furnace device is composed of a feeding mechanism 1, a first section pyrolysis mechanism 2 and a second section pyrolysis mechanism 5 which are connected in sequence, materials are fed into the first section pyrolysis mechanism 2 through the feeding mechanism 1 to carry out a first section coal catalytic pyrolysis reaction, the first section pyrolysis mechanism 2 is equivalent to an upper section low temperature pyrolysis area, the section of coal and catalyst carry out indirect heat exchange with rising flue gas passing through, moisture and bound water in the coal and the catalyst and gas absorbed in pores of the coal are taken away, the coal and the catalyst are heated to 350 ℃ to carry out pyrolysis reaction, the front end of the upper section low temperature pyrolysis area is connected with a flue gas outlet 9 pipeline, the tail end of the upper section low temperature pyrolysis area is connected with a cyclone dust collector 4-2 in a first transfer conveyor 4, and low temperature section pyrolysis oil gas is collected at the top of the cyclone dust collector 4-2, and light oil and gas H are realized 2 、CO，CH 4 And the bottom of the second section pyrolysis mechanism 5 is connected with the upper section pyrolysis mechanism 5, the materials generated in the upper section pyrolysis zone are transferred into the lower section second section pyrolysis mechanism 5, the second section pyrolysis mechanism 5 is equivalent to a lower section medium temperature pyrolysis zone, the solid materials separated from the cyclone dust collector 4-2 are received, the cyclone dust collector 4-2 is connected again, medium temperature section oil gas is collected from the top of the cyclone dust collector 4-2, and heavy oil and gas H are realized 2 、CO，CH 4 The collection of wait, the bottom is the semicoke export, the utility model discloses a two segmentation coal catalytic pyrolysis rotary furnace devices divide into two sections with coal catalytic pyrolysis reaction and go on, have realized the disconnect-type collection of light oil and heavy oil.
It should be noted that the first-stage pyrolysis mechanism 2 comprises a first-stage gyrator 3 and a first transfer follower 4 which are connected in sequence, wherein the first-stage gyrator 3 performs a first-stage coal catalytic pyrolysis reaction, the first transfer follower 4 discharges pyrolysis oil gas, and conveys the material after the pyrolysis reaction to the second-stage pyrolysis mechanism 5 for subsequent reaction, the first-stage gyrator 3 comprises a heat preservation pipe 3-2 of which two ends are provided with connecting pipes 3-1, a furnace pipe 3-3 for material flowing is arranged in the heat preservation pipe 3-2, wherein the heat preservation pipe 3-2 is piled up by heat preservation bricks, the furnace pipe 3-3 is hermetically connected with the connecting pipes 3-1, a rotator 10 for rotating the whole furnace pipe 3-3 is arranged on the extended furnace pipe 3-3, and the heat preservation pipe 3-2 is divided into two parts by the rotator 10, a flue gas channel 3-5 convenient for flue gas circulation is arranged between the heat preservation pipe 3-2 and the furnace pipe 3-3, a screw 3-4 is installed in the furnace pipe 3-3 to drive materials to move and transfer the materials to a first transfer output device 4, a flue gas inlet 8 for introducing flue gas and a flue gas outlet 9 for leading out flue gas are formed in the two heat preservation pipes 3-2 and used for introducing and discharging flue gas, the flowing direction of the flue gas and the moving direction of the materials form convection, namely the flue gas inlet 8 is arranged in the front of the heat preservation pipe 3-2, and the flue gas outlet 9 is arranged in the rear of the heat preservation pipe 3-2.
It should be noted that the upper part of the cyclone dust collector 4-2 is connected with a furnace tube 3-3 of the first-section gyrator 3 through a first material conveying tube 4-3, the upper part of the cyclone dust collector 4-2 is also provided with an oil gas outlet 4-5 extending out of the heat preservation tube 3-2, the lower part of the cyclone dust collector 4-2 is connected with a second-section pyrolysis mechanism 5 through a second material conveying tube 4-6, the cyclone dust collector 4-2 in the first transfer output device 4 is vertically installed, materials after reaction in the first-section gyrator 3 are guided into the cyclone dust collector 4-2, and then materials after treatment by the cyclone dust collector 4-2 are guided into the second-section gyrator 6.
It should be noted that the second-stage gyrator 6 has the same structure as the first-stage gyrator 3, and adopts two identical gyrators to divide the catalytic pyrolysis reaction of coal into two stages, thereby realizing the separated collection of light oil and heavy oil.
It should be noted that the second transfer output device 7 is the same as the first transfer output device 4, but the material treated by the cyclone 4-2 in the second transfer output device 7 is basically semicoke, and is directly collected from the lower end of the cyclone 4-2.
It should be noted that the flue gas outlet 9 on the right side heat-insulating pipe 3-2 of the first section of gyrator 3 is connected with the flue gas inlet 8 on the left side heat-insulating pipe 3-2, so as to realize effective utilization of energy, the second section of gyrator 6 and the first section of gyrator 3 adopt the same connection mode, the residual flue gas outlet 9 of the second section of gyrator 6 is connected with the residual flue gas inlet 8 of the first section of gyrator 3, so as to realize effective utilization of energy, the two can not be connected, the temperatures of the first section of gyrator 3 and the second section of gyrator 6 are controlled in a segmented manner, and various reaction requirements are met.
As shown in fig. 1, in this embodiment, the feeding mechanism 1 includes a feeding pipe 1-1 and a screw feeder 1-2 disposed inside the feeding pipe 1-1, and a first hopper 1-3 and a second hopper 1-4 for feeding are mounted on the upper portion of the feeding pipe 1-1. Materials in the feeding pipe 1-1 are conveyed to the first section gyrator 3 through the spiral feeder 1-2, coal and catalysts are respectively added through the first hopper 1-3 and the second hopper 1-4, and the raw coal and the catalysts are crushed and screened and then are fed into the coal storage bin, so that the requirement of material supply during continuous operation is met.
In this embodiment, as shown in FIG. 1, a first screw conveyor 4-4 and a second screw conveyor 4-7 for conveying materials are provided in a first conveyor pipe 4-3 and a second conveyor pipe 4-6, respectively. The first spiral conveyor 4-4 and the second spiral conveyor 4-7 are arranged to facilitate the transportation of materials.
As shown in fig. 1 and 3, in the present embodiment, the rotator 10 includes a large gear 10-1 installed outside the furnace tube 3-3, the large gear 10-1 is engaged with a driven gear 10-2, and the driven gear 10-2 is driven by an adjustable speed motor 10-3. A circle of large gears 10-1 are arranged outside the furnace tube 3-3, and the driven gear 10-2 is driven to rotate by the speed regulating motor 10-3, so that the large gears 10-1 and the furnace tube 3-3 are driven to rotate, and the effect of the rotary furnace is realized.
In this embodiment, the first and second sections of gyrators 3 and 6 both form an angle of 5 ° with the ground. Through setting up 5 contained angles, make feeding mechanism 1 highly be higher than first section pyrolysis mechanism 2, make first section pyrolysis mechanism 2 highly be higher than second section pyrolysis mechanism 5, make two kinds of materials receive gravity and forward extrusion's effect and continuously move and the homogeneous mixing in boiler tube 3-3.
As shown in fig. 1, in the present embodiment, the first-stage gyrator 3 is provided with a rim 11 and a supporting idler 12 for supporting the furnace tube 3-3. The furnace tube 3-3 is supported by the rim 11 and the supporting riding wheel 12, so that the rotating effect is ensured.
In the embodiment, during actual use, coal and a catalyst are respectively added into the feeding mechanism 1 through the first hopper 1-3 and the second hopper 1-4, the coal and the catalyst are fed into the first section gyrator 3 through the feeding mechanism 1, flue gas is conveyed through the flue gas inlet 8, the speed regulating motor 10-3 is turned on to enable the furnace tube 3-3 of the first section gyrator 3 to rotate and carry out the catalytic pyrolysis reaction of the first section of coal, a generated reactant enters the first transfer conveyor 4, oil gas discharges residual materials from the oil gas outlet 4-5 to enter the second section gyrator 6, the furnace tube of the second section gyrator 6 rotates and carries out the catalytic pyrolysis reaction of the second section of coal, the generated reactant enters the second transfer conveyor 7, the oil gas discharges the residual materials from the oil gas outlet and discharges the residual materials from the lower part, the operation is simple and convenient, and the popularization and application are facilitated.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, changes and equivalent changes made to the above embodiments according to the technical spirit of the present invention all fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The two-section type coal catalytic pyrolysis rotary furnace device is characterized by comprising a feeding mechanism (1), a first section of pyrolysis mechanism (2) and a second section of pyrolysis mechanism (5) which are sequentially connected, wherein the first section of pyrolysis mechanism (2) comprises a first section of gyrator (3) and a first transfer output device (4) which are sequentially connected, the first section of gyrator (3) comprises a heat preservation pipe (3-2) of which two ends are respectively provided with a connecting pipe (3-1), a furnace pipe (3-3) used for material flowing is arranged inside the heat preservation pipe (3-2), a spiral piece (3-4) is arranged inside the furnace pipe (3-3), a flue gas channel (3-5) is reserved between the heat preservation pipe (3-2) and the furnace pipe (3-3), a rotator (10) used for integrally rotating the furnace pipe (3-3) is arranged in the middle of the furnace pipe (3-3), the heat-insulating pipe (3-2) is divided into two parts by the rotator (10), a flue gas inlet (8) for introducing flue gas and a flue gas outlet (9) for guiding the flue gas are formed in the heat-insulating pipe (3-2), the first transfer output device (4) comprises a cyclone dust collector (4-2), the upper part of the cyclone dust collector (4-2) is connected with a connecting pipe (3-1) of the first section of gyrator (3) through the first material conveying pipe (4-3), an oil gas outlet (4-5) extending out of the heat-insulating pipe (3-2) is further formed in the upper part of the cyclone dust collector (4-2), the lower part of the cyclone dust collector (4-2) is connected with the second section of pyrolysis mechanism (5) through the second material conveying pipe (4-6), and the second section of pyrolysis mechanism (5) comprises the second section of gyrator (6) and the second transfer output device (7) which are sequentially connected, the second section of gyrator (6) is identical to the first section of gyrator (3) in structure, and the second transfer output device (7) is identical to the first transfer output device (4) in structure.
2. The two-stage coal catalytic pyrolysis rotary furnace device according to claim 1, wherein the feeding mechanism (1) comprises a feeding pipe (1-1) and a screw feeder (1-2) arranged inside the feeding pipe (1-1), and a first hopper (1-3) and a second hopper (1-4) for feeding are arranged on the upper part of the feeding pipe (1-1).
3. The two-stage rotary kiln assembly for catalytic pyrolysis of coal according to claim 1, wherein the first conveyor pipe (4-3) and the second conveyor pipe (4-6) are provided with a first screw conveyor (4-4) and a second screw conveyor (4-7) for conveying materials, respectively.
4. The two-stage coal catalytic pyrolysis rotary furnace device according to claim 1, wherein the rotator (10) comprises a large gear (10-1) installed outside the furnace tube (3-3), the large gear (10-1) is engaged with a driven gear (10-2), and the driven gear (10-2) is driven by a speed regulating motor (10-3).
5. The two-stage rotary furnace device for catalytic pyrolysis of coal according to claim 1, wherein the first-stage gyrator (3) and the second-stage gyrator (6) are both at an angle of 5 ° with the ground.
6. The two-stage rotary furnace device for catalytic pyrolysis of coal according to claim 1, wherein the first stage gyrator (3) is provided with a rim (11) and a supporting riding wheel (12) for supporting the furnace tube (3-3).
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| CN202221675584.9U CN217479380U (en) | 2022-06-30 | 2022-06-30 | Two-section type coal catalytic pyrolysis rotary furnace device |
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| CN202221675584.9U CN217479380U (en) | 2022-06-30 | 2022-06-30 | Two-section type coal catalytic pyrolysis rotary furnace device |
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