A reactor for rice husk carbonization

Abstract

The present invention relates to the technical field of rice husk carbonization, and specifically relates to a reaction kettle for rice husk carbonization, which includes a bottom plate, a device main body and a feeding port. An air suction pipe is connected through the upper part on the side of the heating chamber away from the device main body, and an air pump is connected through the side of the heating chamber away from the air suction pipe. Ventilation holes are penetrated and communicated on the surface of the rotating shaft, and threaded blades are fixedly connected to the outside of the rotating shaft. One end of the feeding pipe away from the material conveying box is connected through an electric push rod; through the combined use of the threaded blades and the push plate in the present invention, the rice husks at the lower position can be continuously and orderly conveyed to the feeding port position at the higher position, improving the feeding efficiency, reducing the operation difficulty, and reducing the safety risk of the staff; and the rice husks that are spirally rising are preheated, and the impurities and pungent odors in the air are comprehensively filtered and adsorbed, improving the heating effect and ensuring the carbonization efficiency of the subsequent rice husks.

Description

Technical Field

[0001] The present invention relates to the technical field of rice husk carbonization, and specifically to a reaction kettle for rice husk carbonization. Background Art

[0002] Rice husk carbonization refers to the charcoalized substance formed by heating rice husks below their ignition point temperature so that they do not burn completely.

[0003] Regarding rice husk carbonization, upon retrieval, it is found that a patent with the patent number CN201820834605.4 discloses a rice husk carbonization device. This rice husk carbonization device is provided with an air extraction pipeline and a stirring rod. Inside the air extraction pipeline, a first air extractor and a filter screen are provided, which can extract the flue gas generated inside the carbonization chamber and filter it through the filter screen. After the flue gas generated by the materials burning inside the carbonization chamber is processed by the filter screen, it returns to the carbonization machine for combustion, enabling the continuous operation of the machine's heat energy, achieving the effects of smokeless, environmentally friendly, and continuous operation, and solving the problems of low heat energy utilization rate and extremely serious energy loss.

[0004] Among them, the deficiencies are as follows:

[0005] In the above-mentioned comparative document, the position of the feeding port is set too high, which requires workers to manually transport the rice husks from a lower place to a higher place, posing a certain safety hazard. At the same time, the feeding efficiency is low and the difficulty is high. Summary of the Invention

[0006] The purpose of the present invention is to provide a reaction kettle for rice husk carbonization to solve the problem in the above-mentioned background art that the position of the feeding port in the comparative document is set too high, which requires workers to manually transport the rice husks from a lower place to a higher place.

[0007] To achieve the above purpose, the present invention provides the following technical solution: A reaction kettle for rice husk carbonization, including a bottom plate, a device main body, and a feeding port. One end of the top of the bottom plate is fixedly connected to the device main body, the top of the device main body is penetrated and connected with the feeding port, the other end of the top of the bottom plate is fixedly connected to a feeding box, one end of the top of the feeding box is provided with a heating chamber, the upper part on the side of the heating chamber away from the device main body is penetrated and connected with an air suction pipe, the side of the heating chamber away from the air suction pipe is penetrated and connected with an air pump, the output end of the air pump is penetrated and connected with an air inlet pipe, the center of the bottom of the feeding box is provided with a lifting motor, the output end of the lifting motor is fixedly connected to a rotating shaft, the surface of the rotating shaft is penetrated and communicated with ventilation holes, a threaded blade is fixedly connected to the outside of the rotating shaft, the lower part on the side of the feeding box away from the device main body is penetrated and connected with a feeding pipe, the top of the feeding pipe is penetrated and connected with a feeding hopper, the end of the feeding pipe away from the feeding box is penetrated and connected with an electric push rod, the output end of the electric push rod is fixedly connected to a push plate, and the upper part on the side of the feeding box away from the feeding pipe is penetrated and connected with a discharging pipe.

[0008] Preferably, the heating chamber includes a filter screen, an activated carbon adsorption plate, and an electric heating plate. The filter screen, the activated carbon adsorption plate, and the electric heating plate are longitudinally arranged inside the heating chamber, and the three are equidistantly distributed from left to right in sequence.

[0009] Preferably, the rotating shaft is a hollow cylinder, and the rotating shaft is rotatably connected to the output end of the intake pipe.

[0010] Preferably, the push plate is adapted to the feed pipe; and the initial position of the push plate is located on the left side directly below the injection hopper.

[0011] Preferably, the discharge pipe is installed obliquely with the left side higher and the right side lower, and the output end of the discharge pipe is located above the inlet.

[0012] Preferably, the electric heating plate is electrically connected to an external power source.

[0013] Preferably, the lifting motor, the electric push rod, and the air pump are all electrically connected to an external power source respectively.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. For this kind of reaction kettle for rice husk carbonization, the rice husk to be carbonized is poured into the feed pipe through the injection hopper, and the electric push rod is started to drive the push plate to move horizontally forward, so as to continuously push the rice husk into the feeding box. At the same time, the lifting motor is started to make the rotating shaft rotate, driving the threaded blade to rotate synchronously, so as to spiral the rice husk at the bottom of the inner cavity of the feeding box upward; through the combined use of the threaded blade and the push plate, the rice husk at a low position can be continuously and orderly transported to the inlet position at a high position, improving the feeding efficiency, reducing the operation difficulty, and reducing the safety risk of the staff.

[0016] 2. For the reactor used for rice husk carbonization, start the air pump so that external air can enter the heating chamber through the suction pipe. The filter screen can pre-block particulate impurities in the air, and the filtered air will continue to flow forward to the activated carbon adsorption plate to comprehensively adsorb the pungent odor in the air. Then, start the electric heating plate. Under the continuous suction force of the air pump, the filtered and adsorbed air will form hot air through the electric heating plate, enter the rotating shaft through the air inlet pipe, and contact the spiraling-up rice husks through the ventilation holes to preheat them. Finally, when the rice husks at the bottom spiral up to the top layer, under the combined action of the high-speed rotation of the moving shaft and centrifugal force, the rice husks enter the discharge pipe and all roll down along the inclined surface of the discharge pipe to the feeding port for subsequent carbonization operations. This realizes the preheating of the spiraling-up rice husks, comprehensively filters and adsorbs impurities and pungent odors in the air, improves the heating effect, and ensures the carbonization efficiency of subsequent rice husks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the present invention;

[0018] Figure 2 is the internal structural schematic diagram of the heating chamber of the present invention;

[0019] Figure 3 is the present invention Figure 1 magnified structural schematic diagram of part A in;

[0020] Figure 4 is the partial structural schematic diagram of the rotating shaft of the present invention.

[0021] In the figure: bottom plate 1, device main body 2, feeding port 3, feeding box 4, heating chamber 5, filter screen 51, activated carbon adsorption plate 52, electric heating plate 53, lifting motor 6, rotating shaft 7, threaded blade 8, feeding hopper 9, feeding pipe 10, electric push rod 11, push plate 12, discharge pipe 13, air pump 14, suction pipe 15, air inlet pipe 16, ventilation hole 17. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: a reaction kettle for rice husk carbonization, which includes a bottom plate 1, a device main body 2 and a feeding port 3. One end of the top of the bottom plate 1 is fixedly connected to the device main body 2, the top of the device main body 2 is penetrated and connected with the feeding port 3, and the other end of the top of the bottom plate 1 is fixedly connected to a feeding box 4. One end of the top of the feeding box 4 is provided with a heating chamber 5. Above the side of the heating chamber 5 away from the device main body 2, there is a suction pipe 15 penetrated and connected. On the side of the heating chamber 5 away from the suction pipe 15, there is an air pump 14 penetrated and connected. The output end of the air pump 14 is penetrated and connected with an air inlet pipe 16. At the center of the bottom of the feeding box 4, there is a lifting motor 6. The output end of the lifting motor 6 is fixedly connected to a rotating shaft 7. The surface of the rotating shaft 7 is penetrated and communicated with ventilation holes 17. A threaded blade 8 is fixedly connected to the outside of the rotating shaft 7. Below the side of the feeding box 4 away from the device main body 2, there is a feeding pipe 10 penetrated and connected. The top of the feeding pipe 10 is penetrated and connected with a feeding hopper 9. One end of the feeding pipe 10 away from the feeding box 4 is penetrated and connected with an electric push rod 11. The output end of the electric push rod 11 is fixedly connected to a push plate 12. Above the side of the feeding box 4 away from the feeding pipe 10, there is a discharge pipe 13 penetrated and connected.

[0025] Furthermore, the heating chamber 5 includes a filter screen 51, an activated carbon adsorption plate 52 and an electric heating plate 53. The filter screen 51, the activated carbon adsorption plate 52 and the electric heating plate 53 are longitudinally arranged inside the heating chamber 5, and the three are equally spaced from left to right in sequence, which helps to filter and purify the gas to be heated and ensure the preheating effect of the rice husk.

[0026] Furthermore, the rotating shaft 7 is a hollow cylinder, and the output end of the rotating shaft 7 is rotatably connected to the air inlet pipe 16, which helps to convey the heated gas into the feeding box 4, facilitates the preheating treatment of the rice husk therein, and further improves the carbonization effect of the rice husk.

[0027] Furthermore, the push plate 12 is adapted to the feeding pipe 10; and the initial position of the push plate 12 is on the left side directly below the feeding hopper 9, which helps to orderly push the rice husk poured into the feeding pipe 10 from the feeding hopper 9 into the feeding box 4, ensure the continuity of feeding, and improve the efficiency of automatic feeding.

[0028] Further, the discharge pipe 13 is installed in an inclined manner with the left end higher than the right end, and the output end of the discharge pipe 13 is located above the feed inlet 3, which helps to completely convey the rice husks in the discharge pipe 13 into the device main body 2 and avoid waste of resources.

[0029] Further, the electric heating plate 53 is electrically connected to an external power source.

[0030] Further, the lifting motor 6, the electric push rod 11 and the air pump 14 are respectively electrically connected to an external power source.

[0031] Working principle: First, pour the rice husks to be carbonized into the feed pipe 10 through the charging hopper 9. Start the electric push rod 11 to drive the push plate 12 to move forward horizontally, so as to continuously push the rice husks into the feeding box 4. At the same time, start the lifting motor 6 to make the rotating shaft 7 rotate, drive the spiral blade 8 to rotate synchronously, so as to spiral the rice husks at the bottom of the inner cavity of the feeding box 4 upward. At this time, start the air pump 14 to enable the outside air to enter the heating chamber 5 through the suction pipe 15. The filter screen 51 can pre-block the particulate impurities in the air, and the filtered air will continue to flow forward to the activated carbon adsorption plate 52 to comprehensively adsorb the pungent smell in the air. Then, start the electric heating plate 53, and under the continuous suction force of the air pump 14, the filtered and adsorbed air will form hot air through the electric heating plate 53 and enter the rotating shaft 7 through the air inlet pipe 16, and contact the spiraling upward rice husks through the ventilation holes 17 to preheat them. Finally, when the rice husks at the bottom layer spiral up to the top layer, under the combined action of the high-speed rotation and centrifugal force of the rotating shaft 7, the rice husks enter the discharge pipe 13 and all roll down to the feed inlet 3 along the inclined surface of the discharge pipe 13 for subsequent carbonization operation.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reactor for rice husk carbonization, comprising a bottom plate (1), a device main body (2) and a feeding port (3). It is characterized in that One end of the top of the bottom plate (1) is fixedly connected to the device main body (2), the top of the device main body (2) is penetrated and connected with the feeding port (3), the other end of the top of the bottom plate (1) is fixedly connected to a feeding box (4), one end of the top of the feeding box (4) is provided with a heating chamber (5), the upper part on the side of the heating chamber (5) away from the device main body (2) is penetrated and connected with an air suction pipe (15), the side of the heating chamber (5) away from the air suction pipe (15) is penetrated and connected with an air pump (14), the output end of the air pump (14) is penetrated and connected with an air inlet pipe (16), the center of the bottom of the feeding box (4) is provided with a lifting motor (6), the output end of the lifting motor (6) is fixedly connected to a rotating shaft (7), the surface of the rotating shaft (7) is penetrated and communicated with ventilation holes (17), the outer side of the rotating shaft (7) is fixedly connected with threaded blades (8), the lower part on the side of the feeding box (4) away from the device main body (2) is penetrated and connected with a feeding pipe (10), the top of the feeding pipe (10) is penetrated and connected with a feeding hopper (9), the end of the feeding pipe (10) away from the feeding box (4) is penetrated and connected with an electric push rod (11), the output end of the electric push rod (11) is fixedly connected to a push plate (12), and the upper part on the side of the feeding box (4) away from the feeding pipe (10) is penetrated and connected with a discharging pipe (13). The heating chamber (5) includes a filter screen (51), an activated carbon adsorption plate (52) and an electric heating plate (53). The filter screen (51), the activated carbon adsorption plate (52) and the electric heating plate (53) are longitudinally arranged inside the heating chamber (5), and the three are equidistantly distributed from left to right in sequence. The rotating shaft (7) is a hollow cylinder, and the rotating shaft (7) is rotationally connected to the output end of the air inlet pipe (16). The push plate (12) is adapted to the feeding pipe (10); and the initial position of the push plate (12) is located on the left side directly below the feeding hopper (9). The rice husks to be carbonized are poured into the feed pipe (10) through the charging hopper (9). The electric push rod (11) is started to drive the push plate (12) to move horizontally forward, so as to continuously push the rice husks into the material conveying box (4). At the same time, the lifting motor (6) is started to make the rotating shaft (7) rotate, driving the screw blade (8) to rotate synchronously, so as to spiral the rice husks at the bottom of the inner cavity of the material conveying box (4) upward. At this time, the air pump (14) is started, so that the outside air enters the heating chamber (5) through the air suction pipe (15). The filter screen (51) pre-blocks the particulate impurities in the air, and the filtered air will continue to flow forward to the activated carbon adsorption plate (52) to adsorb the pungent smell in the air. Then, the electric heating plate (53) is started, and under the continuous suction force of the air pump (14), the filtered and adsorbed air forms hot air through the electric heating plate (53), enters the rotating shaft (7) through the air inlet pipe (16), and contacts the spiraling upward rice husks through the ventilation holes (17) to preheat the rice husks; finally, when the rice husks at the bottom spiral up to the top layer, under the combined action of the high-speed rotation of the rotating shaft (7) and the centrifugal force, the rice husks enter the discharge pipe (13) and all roll down to the feeding port (3) along the inclined surface of the discharge pipe (13).

2. A reactor for carbonizing rice husks according to claim 1, characterized in that: the discharge pipe (13) is installed obliquely with the left end higher than the right end, and the output end of the discharge pipe (13) is located above the feeding port (3).

3. A reactor for carbonizing rice husks according to claim 2, characterized in that: the electric heating plate (53) is electrically connected to an external power supply.

4. A reactor for carbonizing rice husks according to claim 1, characterized in that: the lifting motor (6), the electric push rod (11) and the air pump (14) are all electrically connected to an external power supply respectively.

Images