CN212293424U - Continuous biomass carbonization device - Google Patents
Continuous biomass carbonization device Download PDFInfo
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- CN212293424U CN212293424U CN202021412204.3U CN202021412204U CN212293424U CN 212293424 U CN212293424 U CN 212293424U CN 202021412204 U CN202021412204 U CN 202021412204U CN 212293424 U CN212293424 U CN 212293424U
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Abstract
The utility model discloses a continuous biomass carbonization device, which relates to the technical field of biomass charcoal production and comprises a frame, a roasting cylinder and a pyrolysis carbonization cylinder which are rotatably arranged on the frame; the roasting cylinder and the pyrolysis carbonization cylinder are sequentially communicated from front to back, the roasting cylinder is used for roasting biomass, the pyrolysis carbonization cylinder is used for pyrolysis and carbonization of the biomass, and the roasting cylinder and the pyrolysis carbonization cylinder are connected with a driving device; the front end of the roasting barrel is provided with a feeding hole, and the pyrolysis carbonization barrel is connected with a carbon box; heating devices are arranged on the outer surfaces of the roasting cylinder and the pyrolysis carbonization cylinder, and the roasting cylinder is connected with an exhaust pipe; the driving device and the heating device are both connected with the control device. The utility model discloses can realize continuous carbomorphism production.
Description
Technical Field
The utility model relates to a living beings charcoal production technical field especially relates to a continuous living beings carbomorphism device.
Background
The existing biomass carbonization equipment has two types, namely a fixed bed and a moving bed. Most of fixed bed equipment is improved on the basis of the original carbonization earth kiln or gasification furnace, the temperature controllability is poor, the requirements of various biomass raw materials and different carbonization process parameters cannot be met, the product quality is uneven, the production period is long, and intermittent production is realized. Compared with fixed bed equipment, moving bed equipment has the advantages of continuous production and controllable carbonization temperature. But the heating speed is too fast, the carbonization time is short, the liquefied products are more, and the carbon yield is low.
Aiming at the characteristics of biomass pyrolysis carbonization reaction, in order to produce biomass charcoal with high quality and high yield, the temperature of a biomass carbonization device is required to be easy to control, a furnace body needs to play a role in prolonging the heat preservation time, and the temperature rise speed needs to be lower, and is generally within 30 ℃/min. In some moving bed equipment, in order to prolong the retention time of materials in a heating area and prolong the conveying length of a screw, the shaft of the screw is easy to bend in the operation process of the equipment, so that the materials are blocked and cannot be conveyed normally. Some moving bed equipment adopts multistage screw rod to carry, and every grade all sets up power independently, makes the conveying speed of material unable the matching, easily causes the material jam. In addition, tar generated in the biomass pyrolysis carbonization process is easy to block an exhaust pipe, and the dredging of pipelines is not considered in the design of a plurality of devices, so that the normal operation of the devices is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a continuous living beings carbomorphism device to solve the above-mentioned problem that exists among the prior art, can realize continuous carbomorphism production.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a continuous biomass carbonization device, which comprises a frame, a roasting cylinder and a pyrolysis carbonization cylinder which are rotatably arranged on the frame; the roasting cylinder and the pyrolysis carbonization cylinder are sequentially communicated from front to back, the roasting cylinder is used for roasting biomass, the pyrolysis carbonization cylinder is used for pyrolysis and carbonization of the biomass, and the roasting cylinder and the pyrolysis carbonization cylinder are connected with a driving device; the front end of the roasting barrel is provided with a feeding hole, and the pyrolysis carbonization barrel is used for connecting a carbon box; heating devices are arranged on the outer surfaces of the roasting cylinder and the pyrolysis carbonization cylinder, and the roasting cylinder is connected with an exhaust pipe; the driving device and the heating device are both connected with the control device.
Preferably, the heating device comprises a heating oil sleeve, the heating oil sleeve is surrounded on the outer surfaces of the roasting cylinder and the pyrolysis carbonization cylinder, and the heating oil sleeve is fixed through a fixing support; the roasting cylinder and the pyrolysis carbonization cylinder are at least provided with one section.
Preferably, the outer walls of the roasting cylinder and the pyrolysis carbonization cylinder are provided with temperature sensors, and the temperature sensors are connected with the control device.
Preferably, the device also comprises an activation cylinder, a feed inlet at the front end of the activation cylinder is connected with a discharge outlet of the pyrolysis carbonization cylinder, and a discharge outlet is arranged at the bottom of the rear end of the activation cylinder and is used for being connected with the carbon box; the activation cylinder is also provided with an activation device, and the activation device comprises a self-activation device and/or a microwave activation device;
and a control valve is arranged at the joint of the activation cylinder and the pyrolysis carbonization cylinder.
Preferably, the self-activation device comprises a self-activation tube, the exhaust tube is connected with a steam boiler, the inlet of the self-activation tube is connected with the steam outlet of the steam boiler, and the outlet of the self-activation tube is connected with the activation cylinder;
or the exhaust pipe is connected with a combustion boiler, the inlet of the self-activation pipe is connected with the gas outlet of the combustion boiler, and the outlet of the self-activation pipe is connected with the activation cylinder.
Preferably, the microwave activation device comprises a microwave generator, the microwave generator is installed in the activation cylinder, and the microwave generator is connected with the control device.
Preferably, the roasting cylinder, the pyrolysis carbonization cylinder and the activation cylinder are all connected with a feeding structure, the feeding structure comprises a plurality of shoveling plates, and the plurality of shoveling plates are spirally arranged on the inner walls of the roasting cylinder, the pyrolysis carbonization cylinder and the activation cylinder.
Preferably, the driving device comprises a driving motor, an output shaft of the driving motor is connected with a driving gear, the outer wall of the roasting drum, the pyrolysis carbonization drum or the activation drum is correspondingly provided with a driven gear, and the driving gear is meshed with the driven gear; the bottom of the side surface of the roasting cylinder, the pyrolysis carbonization cylinder or the activation cylinder is also rotatably connected with a supporting wheel.
The utility model discloses for prior art gain following technological effect:
the utility model adopts a three-section horizontal layout, the roasting cylinder, the pyrolysis carbonization cylinder and the activation cylinder are fixedly connected through flanges, and the three cylinders rotate to drive materials to move forwards, thereby realizing continuous carbonization production, fully utilizing heat and improving heating effect;
the utility model develops continuous bamboo roasting-carbonization-activation equipment (roasting temperature 300 ℃, time 4 hours, carbonization temperature 600 ℃, time 4 hours, self-activation temperature 1000 ℃ and activation 10 hours) according to the pyrolysis characteristics of bamboo, thereby realizing the continuous and standardized production of bamboo charcoal;
the self-activation technology and microwave activation technology of using water vapor and carbon dioxide generated in the pyrolysis process as activating agents are utilized to develop bamboo activated carbon series products (the specific surface area is more than 2000 m)2And/g), the added value of the product is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall schematic view of the continuous biomass carbonizing apparatus of the present invention;
in the figure, 1 is a frame, 2 is a roasting cylinder, 3 is a pyrolysis carbonization cylinder, 4 is an activation cylinder, 5 is a flange, 6 is a bolt, 7 is a slide rail, 8 is a supporting wheel, 9 is a driving gear, 10 is a driven gear, 11 is a feeding pipe, 12 is a self-activation pipe, and 13 is an exhaust pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1, the present embodiment provides a continuous biomass carbonization apparatus, including a frame 1, and a roasting cylinder 2 and a pyrolysis carbonization cylinder 3 rotatably mounted on the frame 1, wherein the frame 1 includes two parallel circular supporting seats, the lower portions of the supporting seats are fixed by a bottom bracket, a feed inlet at the front end of the roasting cylinder 2 is rotatably connected to a first circular supporting seat, the supporting seat is provided with a feed inlet and an exhaust outlet, the feed inlet is used for connecting a feed pipe 11, the exhaust outlet is used for connecting an exhaust pipe 13, the feed pipe 11 and the exhaust pipe 13 are both provided with valves, preferably ball valves; the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are sequentially communicated from front to back, the roasting cylinder 2 is used for roasting biomass, the pyrolysis carbonization cylinder 3 is used for pyrolyzing and carbonizing biomass, and the tail end of the pyrolysis carbonization cylinder 3 is rotatably connected with a second circular supporting seat; wherein, rotate connection structure and be current structure, can select as required, for example realize roasting a section of thick bamboo 2 or pyrolysis carbonization section of thick bamboo 3 and be connected between the supporting seat through pipeline rotary joint, pipeline rotary joint can be connected with roasting a section of thick bamboo 2, pyrolysis carbonization section of thick bamboo 3 or supporting seat through flange 5.
In this embodiment, the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are connected with a driving device, a discharge port of the pyrolysis carbonization cylinder 3 can be connected with a carbon box, and a discharge valve is arranged at the discharge port; the outer surfaces of the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are provided with heating devices, and the driving device and the heating devices are connected with a control device; a control box is arranged on the frame 1, a control device is arranged in the control box, and the control device can be a conventional PLC controller; roasting section of thick bamboo 2, pyrolysis carbonization section of thick bamboo 3 and activation section of thick bamboo 4 below, the connection between each pipeline and the carbon box all adopts flange 5 sealing connection, avoids pyrolysis gas or material to leak.
The roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are biomass roasting, pyrolysis and carbonization sections, in the embodiment, the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are respectively provided with one section, and can also be provided with a plurality of sections according to working requirements; heating devices are arranged on the outer sides of the roasting barrel 2 and the pyrolysis carbonization barrel 3, the heating devices in the embodiment are preferably electric heating devices or heating oil sleeves, the heating oil sleeves are adopted for heating in the embodiment, and the heating oil sleeves are fixed with the rack 1 or the ground through a fixing support; an oil inlet of the heating oil sleeve is connected with a heating oil tank for introducing high-temperature heating oil, and an oil outlet is also communicated with the heating oil tank to realize hot oil circulation; in this embodiment, the heating oil tank is heated by an electric heater; the outer sides of the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are respectively provided with three sections of heating oil sleeves, and the heating oil sleeves of the sections are independently arranged to meet the requirement of realizing different heating temperatures.
In the embodiment, the maximum temperature which can be provided by the heating oil jacket is 800 ℃, and the temperature rising rate of each section of pipeline can be independently adjusted. In addition, be equipped with temperature sensor on the pipeline wall at every section heating oil jacket terminal, temperature sensor adopts wireless or bluetooth temperature sensor, can feed back temperature signal to the control box.
According to the requirements of the material carbonization process, the final temperature and the heating rate (namely percentage value of output power) of the total 6 sections of heating oil jackets on the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 are set on the controller as required, so that the temperature gradient distribution is formed in the carbonization zone along the moving direction of the material. The rotating speed of the cylinder body is adjustable between 0 and 20r/min through the frequency conversion of the driving motor, and the retention time of the materials in the cylinder body can be controlled.
In this embodiment, be connected with blast pipe 13 at the front end of calcination section of thick bamboo 2, be convenient for with the moisture and the pyrolysis gas discharge that produce in the heating process, prevent that the flue gas from blocking in the carbomorphism pipe and influencing the reaction process, prevent simultaneously that the internal pressure of furnace is too big. The tail end of the exhaust pipe 13 is provided with a ball valve, the ball valve needs to be opened periodically after the equipment runs for a period of time, and an iron wire is used for dredging the pipeline to prevent blockage.
In this embodiment, the roasting cylinder 2, the pyrolysis carbonization cylinder 3, and the activation cylinder 4 are all connected with a feeding structure, the feeding structure includes a plurality of shoveling plates, and the plurality of shoveling plates are spirally arranged on the inner walls of the roasting cylinder 2, the pyrolysis carbonization cylinder 3, and the activation cylinder 4;
specifically, the shoveling plates can be arc-shaped or L-shaped shoveling plates, and a certain angle is formed between each shoveling plate and the inner wall of the cylinder, so that all the shoveling plates are integrally spiral, the cylinder rotates to drive materials to move forwards, and the shoveling plates can stir the materials to be fully heated; and the material in the barrel can rotate from top to bottom along with the barrel at this moment, so that the heat of the heating oil jacket below can be absorbed, the heat of the heating oil jacket at the upper half part can be absorbed, the heat is fully utilized, and the energy waste is reduced.
The working flow of the embodiment is as follows:
filling a certain amount of materials into the roasting cylinder 2 in advance before starting work, and preventing the roasting cylinder 2 from being damaged by empty burning after starting work and preventing the materials from contacting oxygen to form burning when the materials are fed in a small amount;
step two, the whole working interval is in a closed state, various parameters of the carbonization reaction are set according to the process requirements, a heating device starts to preheat, and the temperature of each section is heated to a set value;
step three, starting a driving motor, adjusting the rotating speed of the driving motor, opening a valve at a feed inlet, and adding the biomass raw material into the roasting cylinder 2;
step four, the materials are slowly moved forward and heated, and are subjected to roasting, pyrolysis and carbonization in the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 to finally form biomass charcoal;
step five, after a certain amount of biomass charcoal is generated, closing the driving device, connecting a discharge port of the pyrolysis carbonization cylinder 3 with a charcoal box, opening a discharge port valve, conveying the biomass charcoal to the charcoal box, naturally cooling for a period of time in a closed environment, and opening a charcoal box sealing door to take out the biomass charcoal;
and step six, after carbonization is completed, opening ball valves at all pipeline positions (particularly the exhaust pipe 13), and dredging the pipeline joints by using thin iron wires to prevent tar and the like from blocking the pipelines.
This embodiment can realize continuous carbonization production.
Example two
The embodiment is an improvement on the basis of the first embodiment, and the improvement is as follows: the device is characterized by further comprising an activation cylinder 4, wherein a feed inlet at the front end of the activation cylinder 4 is connected with a discharge outlet of the pyrolysis carbonization cylinder 3, the rear end of the activation cylinder 4 is rotatably connected with a second supporting seat, a discharge outlet is formed in the rear end of the activation cylinder 4, the discharge outlet is closed during work, and the discharge outlet is opened for being connected with the carbon box after work is completed; the activation cylinder 4 is also provided with an activation device, and the activation device comprises a self-activation device and/or a microwave activation device;
in the present embodiment, the self-activation device comprises a self-activation tube, the exhaust pipe 13 is connected with a steam boiler, the inlet of the self-activation tube is connected with the steam outlet of the steam boiler, and the outlet of the self-activation tube is connected with the activation cylinder 4; saturated steam generated by the steam boiler is input into the activation cylinder 4 again to activate the biomass charcoal, and the residual heat in the backflow gas can be effectively utilized;
or the tail end of the exhaust pipe 13 is connected with a combustion boiler, and gases such as carbon monoxide, carbon dioxide, hydrogen, methane and the like mainly exist in the exhaust gas, and the gases are effectively combusted in the combustion boiler, so that energy is fully utilized; the inlet of the self-activation pipe is connected with the gas outlet of the combustion boiler, the outlet of the self-activation pipe is connected with the activation cylinder 4, and high-heat gas generated by combustion of the combustion boiler is input into the activation cylinder 4 to perform activation reaction of biomass.
Wherein, a control valve is arranged at the joint of the activation cylinder 4 and the pyrolysis carbonization cylinder 3, the control valve is electrically connected with the control box, the type of the control valve can be selected according to the requirement, and an electric flashboard can also be selected; when carbonization is carried out at the beginning, the control valve is closed, when a certain amount of biomass charcoal is formed in the pyrolysis carbonization tube, the control valve is opened, the biomass charcoal is input into the activation cylinder 4, and after the input is finished, the control valve is closed, and the activation device is opened for activation; the control valve is arranged, so that the activated gas can be prevented from escaping into the roasting cylinder 2 and the pyrolysis carbonization cylinder 3 to influence the reaction.
In this embodiment, the microwave activation device comprises a microwave generator, the microwave generator is installed in the activation cylinder 4, the microwave generator is connected with the control device, the microwave generator emits microwaves to activate the biomass charcoal, and the activation efficiency is higher.
In this embodiment, the self-activating device and the microwave activating device may be used simultaneously, or only one of them may be used.
In this embodiment, the heating oil in the heating oil tank can be heated by a steam boiler or a combustion boiler, and the heat can be fully utilized.
In this embodiment, the driving device includes a driving motor, a driving gear 9 is connected to an output shaft of the driving motor, driven gears 10 are correspondingly disposed on outer walls of the roasting drum 2, the pyrolysis carbonization drum 3, or the activation drum 4, the driving gear 9 is engaged with the driven gears 10, wherein the driving motor, the driving gear 9, and the driven gears 10 may be provided with multiple sets, and the number and the arrangement position thereof may be adjusted as required. The bottom of the side surface of the roasting cylinder 2, the pyrolysis carbonization cylinder 3 or the activation cylinder 4 is also rotatably connected with a supporting wheel 8, specifically, a sliding rail 7 is arranged on the outer side of the roasting cylinder 2, the pyrolysis carbonization cylinder 3 or the activation cylinder 4, a sliding groove is arranged on the supporting wheel 8, and the sliding rail 7 is arranged in the sliding groove to realize the rotary connection; every supporting wheel 8 of group all is provided with two, and the symmetry sets up in the both sides of same slide rail 7, can provide better support, and supporting wheel 8 and slide rail 7 can be provided with the multiunit as required.
EXAMPLE III
The embodiment is an improvement on the basis of the first embodiment and the second embodiment, and the improvement is as follows: the lower part of the second supporting seat is provided with a discharge port, the discharge port is connected with an activation cylinder 4 or a pyrolysis carbonization cylinder 3, the discharge port is connected with a carbon box through a discharge pipe, and a valve is arranged at the discharge port.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. The utility model provides a continuous living beings carbomorphism device which characterized in that: comprises a frame, a roasting barrel and a pyrolysis carbonization barrel which are rotatably arranged on the frame; the roasting cylinder and the pyrolysis carbonization cylinder are sequentially communicated from front to back, the roasting cylinder is used for roasting biomass, the pyrolysis carbonization cylinder is used for pyrolysis and carbonization of the biomass, and the roasting cylinder and the pyrolysis carbonization cylinder are connected with a driving device; the front end of the roasting barrel is provided with a feeding hole, and the pyrolysis carbonization barrel is used for connecting a carbon box; heating devices are arranged on the outer surfaces of the roasting cylinder and the pyrolysis carbonization cylinder, and the roasting cylinder is connected with an exhaust pipe; the driving device and the heating device are both connected with the control device.
2. The continuous biomass carbonization device of claim 1, wherein: the heating device comprises a heating oil sleeve, the heating oil sleeve is surrounded on the outer surfaces of the roasting cylinder and the pyrolysis carbonization cylinder, and the heating oil sleeve is fixed through a fixing support; the roasting cylinder and the pyrolysis carbonization cylinder are at least provided with one section.
3. The continuous biomass carbonization device of claim 1, wherein: and temperature sensors are arranged on the outer walls of the roasting cylinder and the pyrolysis carbonization cylinder, and the temperature sensors are connected with the control device.
4. The continuous biomass carbonization device according to claim 1 or 2, characterized in that: the device also comprises an activation cylinder, wherein a feed inlet at the front end of the activation cylinder is connected with a discharge outlet of the pyrolysis carbonization cylinder, and a discharge outlet is arranged at the rear end of the activation cylinder and is used for being connected with the carbon box; the activation cylinder is also provided with an activation device, and the activation device comprises a self-activation device and/or a microwave activation device;
and a control valve is arranged at the joint of the activation cylinder and the pyrolysis carbonization cylinder.
5. The continuous biomass carbonization device of claim 4, wherein: the self-activation device comprises a self-activation pipe, the exhaust pipe is connected with a steam boiler, the inlet of the self-activation pipe is connected with the steam outlet of the steam boiler, and the outlet of the self-activation pipe is connected with the activation cylinder;
or the exhaust pipe is connected with a combustion boiler, the inlet of the self-activation pipe is connected with the gas outlet of the combustion boiler, and the outlet of the self-activation pipe is connected with the activation cylinder.
6. The continuous biomass carbonization device of claim 4, wherein: the microwave activation device comprises a microwave generator, the microwave generator is arranged in the activation cylinder, and the microwave generator is connected with the control device.
7. The continuous biomass carbonization device of claim 4, wherein: the roasting cylinder, the pyrolysis carbonization cylinder and the activation cylinder are all provided with a feeding structure, the feeding structure comprises a plurality of shoveling plates, and the plurality of shoveling plates are spirally arranged on the inner walls of the roasting cylinder, the pyrolysis carbonization cylinder and the activation cylinder.
8. The continuous biomass carbonization device of claim 7, wherein: the driving device comprises a driving motor, an output shaft of the driving motor is connected with a driving gear, the outer walls of the roasting drum, the pyrolysis carbonization drum or the activation drum are correspondingly provided with driven gears, and the driving gear is meshed with the driven gears; the bottom of the side surface of the roasting cylinder, the pyrolysis carbonization cylinder or the activation cylinder is also rotatably connected with a supporting wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412204.3U CN212293424U (en) | 2020-07-17 | 2020-07-17 | Continuous biomass carbonization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412204.3U CN212293424U (en) | 2020-07-17 | 2020-07-17 | Continuous biomass carbonization device |
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| CN212293424U true CN212293424U (en) | 2021-01-05 |
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| CN202021412204.3U Active CN212293424U (en) | 2020-07-17 | 2020-07-17 | Continuous biomass carbonization device |
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| CN (1) | CN212293424U (en) |
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