CN115261038B - Ore-based biochar production equipment and method using straw loaded nonmetallic tailings - Google Patents
Ore-based biochar production equipment and method using straw loaded nonmetallic tailings Download PDFInfo
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- CN115261038B CN115261038B CN202210851056.2A CN202210851056A CN115261038B CN 115261038 B CN115261038 B CN 115261038B CN 202210851056 A CN202210851056 A CN 202210851056A CN 115261038 B CN115261038 B CN 115261038B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention provides equipment and a method for producing mineral-based biochar by using straw to load nonmetallic tailings, and relates to the technical field of mineral-based biochar, the equipment comprises a mounting frame and a bracket, wherein a straw crushing bin and a tailings conveying pipe are respectively arranged at two ends above the front side of the mounting frame, a supporting plate is rotatably arranged on the bracket, a mixed carbonization box is arranged at one end above the supporting plate, the output ends of the straw crushing bin and the tailings conveying pipe face the mixed carbonization box, and a carbonization burner is arranged at one end of the top of the bracket; according to the invention, the straws are ground into straw powder, the straw powder and the nonmetallic tailings are put into the mixing carbonization box together, the straws are crushed and uniformly mixed with the nonmetallic tailings through the movement and rotation of the stirring assembly, and the mixture is carbonized through heating the mixing carbonization box by the carbonization burner, so that the ore-based biochar is obtained, the recycling of the nonmetallic tailings and the straws is facilitated, the energy utilization efficiency is improved, and the pollution generated by direct treatment is avoided.
Description
Technical Field
The invention relates to the technical field of ore-based biochar, in particular to ore-based biochar production equipment and method for loading nonmetallic tailings by using straws.
Background
Nonmetallic tailings are nonmetallic substances left after valuable parts and uneconomical parts in ores are separated, and the influence of the tailings on natural ecological environment is specifically shown: (1) the tailings are easy to flow and collapse and leak when piled up, so that vegetation damage and personnel injury accidents are caused, collapse and landslide are extremely easy to cause particularly in rainy seasons, the tailings reservoir dam body is higher, unsafe hidden dangers exist, (2) the tailings components and residual beneficiation reagent have serious damage to the ecological environment; the tailings are treated at home and abroad, whether useful minerals in the tailings have recovery value or not, most of the useful minerals are piled up on the ground, and the piled up tailings occupy a large amount of cultivated land and easily cause environmental pollution, water and soil loss, vegetation destruction and the like in mining areas;
straw is the general name of stem leaves (ears) of mature crops, and after harvesting, a large amount of straw is destroyed by combustion, and smoke generated by the straw can cause air pollution;
the invention provides equipment and a method for producing mineral-based biochar by using straw-loaded nonmetallic tailings, which solve the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides the equipment and the method for producing the mineral-based biochar by using the straw-loaded nonmetallic tailings, which are convenient for recycling nonmetallic tailings and straw, improve the energy utilization efficiency and avoid pollution caused by direct treatment.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the ore-based biochar production equipment utilizing straw to load nonmetallic tailings comprises a mounting frame and a bracket, wherein a straw crushing bin and a tailings conveying pipe are respectively arranged at two ends above the front side of the mounting frame, a supporting plate is rotatably arranged on the bracket, a mixed carbonization box is arranged at one end above the supporting plate, the output ends of the straw crushing bin and the tailings conveying pipe face the mixed carbonization box, a carbonization burner is arranged at one end of the top of the bracket, and the supporting plate at the bottom of the mixed carbonization box is in an opening shape;
the top inside the mixed carbonization box is equipped with the spout, and the spout internalization is equipped with the apron, the one end that the mixed carbonization box was kept away from at layer board top is equipped with the arbor board, and is equipped with the slide bar in the arbor board, be equipped with the slider on the slide bar, and the one end rotation of slider is equipped with the pivot, the inside of the mixed carbonization box is inserted in the pivot activity, and is equipped with stirring assembly in the pivot.
The further improvement is that: the straw grinding bin comprises a straw grinding bin body, a straw grinding bin, a straw grinding roller, a straw grinding bin and a straw grinding bin, wherein two ends of the upper portion of the straw grinding bin body are respectively provided with a grinding roller in a rotating mode, two groups of grinding rollers are respectively arranged at two ends of the upper portion of the straw grinding bin body in a rotating mode, two groups of linkage gears are respectively connected with two groups of grinding rollers, one group of grinding rollers are driven to rotate by a driving machine, and an electromagnetic valve is arranged at the output end of the bottom of the straw grinding bin body.
The further improvement is that: one end of tailing conveyer pipe top communicates there is the feeder hopper, and the other end intercommunication of tailing conveyer pipe bottom has the discharging pipe, the inside rotation of tailing conveyer pipe is equipped with the screw axis, and the one end of tailing conveyer pipe is equipped with first motor, the output of first motor with the screw axis is connected.
The further improvement is that: the top of mixing carbonization case one end is equipped with the drive fluted roller, and the drive fluted roller passes through servo motor drive rotation, the bottom of apron is equipped with the tooth's socket with drive fluted roller looks adaptation.
The further improvement is that: the electric telescopic rods are rotatably arranged on the front side and the rear side of the top of the bracket, the supports are arranged on the front side and the rear side of the mixed carbonization box, and the output ends of the two groups of electric telescopic rods are hinged with the two groups of supports respectively.
The further improvement is that: the inboard rotation of arbor board is equipped with the screw pole, and the screw pole runs through slider and screw thread adaptation, the one end of arbor board is equipped with the second motor, and the output of second motor with the screw pole is connected.
The further improvement is that: the stirring assembly comprises a stirring shaft and a scraping ring, wherein the stirring shaft is arranged at one end of the outer side of the rotating shaft, the scraping ring is arranged at the outer side of the stirring shaft, the inside of the mixing carbonization box is a cylindrical cavity, a third motor is arranged at one end of the sliding block, the output end of the third motor is connected with the rotating shaft, an opening is formed in one end of the mixing carbonization box, a baffle is hinged to the opening, and the baffle is driven to rotate by a servo motor.
The further improvement is that: the middle-end of mounting bracket front side is equipped with the support frame, and the both ends on the support frame all are equipped with the storehouse of weighing, two sets of the storehouse of weighing is located the output below of storehouse and tailing conveyer pipe is smashed to the straw respectively, the both sides in storehouse of weighing all are equipped with weighing plate, and are equipped with gravity sensor between weighing plate and the support frame, the bottom in storehouse of weighing articulates there is the bottom plate, and the one end in storehouse of weighing articulates there is first pneumatic cylinder, the output of first pneumatic cylinder with the bottom plate articulates.
The further improvement is that: the one end position department of mixing carbonization case is equipped with the conveyer belt, and has placed the shaping dish on the conveyer belt, the rear side on the conveyer belt is equipped with the pressure frame, and is equipped with the second pneumatic cylinder on the pressure frame, the output of second pneumatic cylinder is equipped with the clamp plate.
The method for producing the mineral-based biochar by using straw loaded nonmetallic tailings comprises the following steps:
step one: putting the straws into a straw crushing bin, grinding the straws into straw powder through rotation of a grinding roller, putting the nonmetallic tailings into a tailings conveying pipe, starting a first motor to drive a screw shaft to rotate, and scattering and conveying the nonmetallic tailings;
step two: opening an electromagnetic valve at the bottom of a straw crushing bin, throwing straw powder into one group of weighing bins, discharging by a discharging pipe of a tailing conveying pipe synchronously, throwing nonmetallic tailings into the other group of weighing bins, and determining the weight ratio of the straw powder to the nonmetallic tailings according to the weighing of a gravity sensor;
step three: the toothed roller is driven to rotate to open the cover plate, the first pneumatic cylinder opens the bottom plate, and the weighed straw powder and the nonmetal tailings are put into the mixing carbonization box;
step four: closing the cover plate, starting the third motor, driving the rotating shaft to rotate, stirring the straw powder and the nonmetallic tailings by rotating the stirring shaft and the scraping ring, synchronizing the second motor to drive the screw rod to rotate in a reciprocating manner, and driving the sliding block to move left and right along the sliding rod, so that the stirring shaft and the scraping ring move left and right in the mixing carbonization box to stir;
step five: starting a carbonization burner, heating a mixing carbonization box, introducing inert gas to perform anaerobic combustion, controlling the temperature, and performing low-temperature pyrolysis carbonization treatment on the mixture of straw powder and nonmetallic tailings in the mixing carbonization box;
step six: in the process, the tail gas generated by the air extractor is pumped to the purifying tower, after carbonization, the servo motor drives the baffle to rotate, the opening at one end of the mixed carbonization box is opened, the electric telescopic rod pushes the support, the support plate and one end of the mixed carbonization box are inclined, the carbon material is poured into the forming disc in a matching manner with the left-right movement of the scraping ring, and tar adhered in the mixed carbonization box is collected;
step seven: the conveyor belt conveys the forming disc to the lower part of the pressing frame, the second pneumatic cylinder pushes the pressing plate to press down to extrude and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the extrusion process.
The beneficial effects of the invention are as follows:
1. according to the invention, the straws are ground into straw powder, the straw powder and the nonmetallic tailings are put into the mixing carbonization box together, the straws are crushed and uniformly mixed with the nonmetallic tailings through the movement and rotation of the stirring assembly, and the mixture is carbonized through heating the mixing carbonization box by the carbonization burner, so that the ore-based biochar is obtained, the recycling of the nonmetallic tailings and the straws is facilitated, the energy utilization efficiency is improved, and the pollution generated by direct treatment is avoided.
2. According to the invention, the two groups of weighing bins are used for respectively accommodating the straw powder and the nonmetal tailings, and the weight proportion of the straw powder and the nonmetal tailings is determined by weighing of the gravity sensor, so that the subsequent ore-based biochar preparation effect is better.
3. According to the invention, one end of the mixing carbonization box is inclined, the carbon material is poured into the forming disc, the pressing plate is pushed to be pressed downwards by the second pneumatic cylinder to extrude and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the extrusion process, so that the carbon material is suitable for the unused combustion requirement.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure of the bracket of the present invention;
FIG. 3 is a schematic view of the interior of the tailings transportation pipe of the present invention;
FIG. 4 is a schematic view of a stirring assembly according to the present invention;
FIG. 5 is a schematic view of the structure at A of the present invention;
fig. 6 is a schematic view of a conveyor belt of the present invention.
Wherein: 1. a mounting frame; 2. a bracket; 3. a straw crushing bin; 4. a tailings conveying pipe; 5. a supporting plate; 6. a mixing carbonization box; 7. a charring burner; 8. a cover plate; 9. a shaft plate; 10. a slide bar; 11. a slide block; 12. a rotating shaft; 13. grinding roller; 14. a linkage gear; 15. a feed hopper; 16. a discharge pipe; 17. a screw shaft; 18. a first motor; 19. driving the toothed roller; 20. an electric telescopic rod; 21. a bracket; 22. a screw rod; 23. a second motor; 24. a stirring shaft; 25. a scraping edge ring; 26. a third motor; 27. a baffle; 28. a support frame; 29. a weighing bin; 30. a weighing plate; 31. a gravity sensor; 32. a bottom plate; 33. a first pneumatic cylinder; 34. a conveyor belt; 35. a shaping disc; 36. a pressing frame; 37. a second pneumatic cylinder; 38. and (5) pressing plates.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to the figures 1, 2, 3, 4, 5 and 6, the embodiment provides a mineral-based biochar production device using straw to load nonmetallic tailings, which comprises a mounting frame 1 and a bracket 2, wherein a straw crushing bin 3 and a tailings conveying pipe 4 are respectively arranged at two ends above the front side of the mounting frame 1, a supporting plate 5 is rotatably arranged on the bracket 2, a mixed carbonization box 6 is arranged at one end above the supporting plate 5, the output ends of the straw crushing bin 3 and the tailings conveying pipe 4 face the mixed carbonization box 6, a carbonization burner 7 is arranged at one end of the top of the bracket 2, and the supporting plate 5 at the bottom of the mixed carbonization box 6 is in an opening shape;
the top inside of mixing carbonization case 6 is equipped with the spout, and the spout internalization is equipped with apron 8, the one end that mixing carbonization case 6 was kept away from at layer board 5 top is equipped with axile board 9, and is equipped with slide bar 10 in the axile board 9, be equipped with slider 11 on the slide bar 10, and the one end rotation of slider 11 is equipped with pivot 12, the inside of mixing carbonization case 6 is inserted in the pivot 12 activity, and is equipped with stirring assembly in the pivot 12. When the device is used, straw is put into the straw crushing bin 3, the straw is crushed into straw powder through the rotation of the grinding roller 13, nonmetal tailings are put into the tailings conveying pipe 4, nonmetal tailings are scattered and conveyed, the cover plate 8 is opened, the straw powder and the nonmetal tailings are put into the mixing carbonization box 6 together, the stirring assembly is driven to move left and right through the rotating shaft to uniformly mix the straw powder and the nonmetal tailings, and the carbonization treatment is carried out on the straw powder and nonmetal tailings mixture in the mixing carbonization box 6 through the heating of the carbonization burner 7, so that the mineral-based biochar is obtained.
The two ends of the upper part inside the straw crushing bin 3 are respectively provided with a grinding roller 13 in a rotating mode, two groups of grinding rollers 13 are matched with each other, two ends of the upper part of the front side of the straw crushing bin 3 are respectively provided with a linkage gear 14 in a rotating mode, the linkage gears 14 are respectively connected with the two groups of grinding rollers 13, one group of grinding rollers 13 are driven to rotate through a driving machine, and an electromagnetic valve is arranged at the output end of the bottom of the straw crushing bin 3. When the straw grinding machine is used, straw is put into the straw grinding bin 3, a driver drives one group of grinding rollers 13 to rotate, the other group of grinding rollers 13 are driven to rotate under the action of the linkage gear 14, the straw is ground into straw powder, and then an electromagnetic valve is opened to perform discharging.
One end at tailing conveyer pipe 4 top communicates there is feeder hopper 15, and the other end intercommunication at tailing conveyer pipe 4 bottom has discharging pipe 16, the inside rotation of tailing conveyer pipe 4 is equipped with screw axis 17, and the one end of tailing conveyer pipe 4 is equipped with first motor 18, the output of first motor 18 with screw axis 17 is connected. When the device is used, nonmetallic tailings are put into the tailings conveying pipe 4 from the feed hopper 15, the first motor 18 is started to drive the screw shaft 17 to rotate, nonmetallic tailings are scattered and conveyed, and the nonmetallic tailings are discharged from the discharge pipe 16.
The upper part of one end of the mixing carbonization box 6 is provided with a driving toothed roller 19, the driving toothed roller 19 is driven to rotate by a servo motor, and the bottom of the cover plate 8 is provided with a tooth slot matched with the driving toothed roller 19. When the straw powder mixing carbonization box is used, the servo motor drives the tooth roller 19 to rotate so as to open the cover plate 8, and straw powder and nonmetallic tailings are put into the mixing carbonization box 6.
The front side and the rear side of the top of the bracket 2 are respectively provided with an electric telescopic rod 20 in a rotating way, the front side and the rear side of the mixed carbonization box 6 are respectively provided with a bracket 21, and the output ends of the two groups of electric telescopic rods 20 are respectively hinged with the two groups of brackets 21. After carbonization, the servo motor drives the baffle 27 to rotate, the opening at one end of the mixed carbonization box 6 is opened, the electric telescopic rod 20 pushes the support 21, the support plate 5 and one end of the mixed carbonization box 6 incline, the side scraping ring 25 moves left and right in a matching manner, and carbon materials are poured into the forming disc 35.
The inside rotation of axle board 9 is equipped with screw pole 22, and screw pole 22 runs through slider 11 and screw thread adaptation, the one end of axle board 9 is equipped with second motor 23, and the output of second motor 23 with screw pole 22 is connected. The stirring assembly comprises a stirring shaft 24 and a scraping ring 25, wherein the stirring shaft 24 is arranged at one end of the outer side of the rotating shaft 12, the scraping ring 25 is arranged at the outer side of the stirring shaft 24, the inside of the mixing carbonization box 6 is a cylindrical cavity, a third motor 26 is arranged at one end of the sliding block 11, the output end of the third motor 26 is connected with the rotating shaft 12, an opening is arranged at one end of the mixing carbonization box 6, a baffle 27 is hinged to the opening, and the baffle 27 is driven to rotate by a servo motor. When the stirring device is used, the third motor 26 is started to drive the rotating shaft 12 to rotate, the stirring shaft 24 and the scraping ring 25 rotate to stir and mix straw powder and nonmetal tailings, the synchronous second motor 23 drives the screw rod 22 to rotate in a reciprocating manner, the driving slide block 11 moves left and right along the slide rod 10, and the stirring shaft 24 and the scraping ring 25 move left and right in the mixing carbonization box 6 to stir, so that the stirring effect is better and more uniform.
The middle-end of mounting bracket 1 front side is equipped with support frame 28, and the both ends on the support frame 28 all are equipped with the storehouse 29 of weighing, two sets of the storehouse of weighing is located the output below of storehouse 3 and tailing conveyer pipe 4 is smashed to the straw respectively, the both sides of storehouse 29 of weighing all are equipped with weighing plate 30, and are equipped with gravity sensor 31 between weighing plate 30 and the support frame 28, the bottom in storehouse 29 articulates there is bottom plate 32, and the one end in storehouse 29 of weighing articulates there is first pneumatic cylinder 33, the output of first pneumatic cylinder 33 with bottom plate 32 articulates. When the straw crushing machine is used, the electromagnetic valve at the bottom of the straw crushing bin 3 is opened, straw powder is put into one group of weighing bins 29, the discharge pipes 16 of the tailing conveying pipes 4 are synchronized to discharge, nonmetallic tailings are put into the other group of weighing bins 29, the weight ratio of the straw powder to the nonmetallic tailings is determined according to the weighing of the gravity sensor 31, the first pneumatic cylinder 33 opens the bottom plate 32, and the weighed straw powder and nonmetallic tailings are put into the mixing carbonization box 6.
The one end position department of mixing carbonization case 6 is equipped with conveyer belt 34, and has placed shaping dish 35 on the conveyer belt 34, the rear side on the conveyer belt 34 is equipped with pressure frame 36, and is equipped with second pneumatic cylinder 37 on the pressure frame 36, the output of second pneumatic cylinder 37 is equipped with clamp plate 38. After carbonization, the servo motor drives the baffle 27 to rotate, the opening at one end of the mixed carbonization box 6 is opened, the electric telescopic rod 20 pushes the bracket 21, so that the supporting plate 5 and one end of the mixed carbonization box 6 incline, and the carbon material is poured into the forming disc 35 in cooperation with the left-right movement of the scraping ring 25; the conveyor belt 34 conveys the forming plate 35 to the lower part of the pressing frame 36, the pressing plate 38 is pushed by the second pneumatic cylinder 37 to press and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the pressing process.
Example two
According to the embodiments shown in fig. 1, 2, 3, 4, 5 and 6, the embodiment provides a method for producing ore-based biochar by using straw-loaded nonmetallic tailings, which comprises the following steps:
step one: putting the straws into a straw crushing bin 3, grinding the straws into straw powder through rotation of a grinding roller 13, putting the nonmetallic tailings into a tailings conveying pipe 4, starting a first motor 18 to drive a screw shaft 17 to rotate, and scattering and conveying the nonmetallic tailings;
step two: opening an electromagnetic valve at the bottom of the straw crushing bin 3, putting straw powder into one group of weighing bins 29, discharging by a discharging pipe 16 of a synchronous tailing conveying pipe 4, putting nonmetallic tailings into the other group of weighing bins 29, and determining the weight ratio of the straw powder to the nonmetallic tailings according to the weight of a gravity sensor 31; the weight proportion of the straw powder and the nonmetallic tailings is determined by weighing of the gravity sensor 31, so that the subsequent ore-based biochar preparation effect is better;
step three: the toothed roller 19 is driven to rotate so as to open the cover plate 8, the first pneumatic cylinder 33 opens the bottom plate 32, and the weighed straw powder and the nonmetal tailings are put into the mixing carbonization box 6;
step four: closing the cover plate 8, starting the third motor 26, driving the rotating shaft 12 to rotate, and enabling the stirring shaft 24 and the scraping ring 25 to rotate so as to stir and mix straw powder and nonmetallic tailings, and driving the screw rod 22 to rotate reciprocally by the synchronous second motor 23, and driving the sliding block 11 to move left and right along the sliding rod 10, so that the stirring shaft 24 and the scraping ring 25 move left and right in the mixing carbonization box 6 to stir in a stirring manner; the stirring effect is better and more uniform;
step five: starting a carbonization burner 7, heating the mixing carbonization box 6, introducing inert gas to perform anaerobic combustion, controlling the temperature, and performing low-temperature pyrolysis carbonization treatment on the mixture of straw powder and nonmetallic tailings in the mixing carbonization box; the recycling of nonmetallic tailings and straws is facilitated, the energy utilization efficiency is improved, and pollution caused by direct treatment is avoided;
step six: in the process, the tail gas generated is pumped to a purifying tower through an air pump, after carbonization, a servo motor drives a baffle 27 to rotate to open an opening at one end of the mixed carbonization box 6, an electric telescopic rod 20 pushes a bracket 21 to enable one end of a supporting plate 5 and one end of the mixed carbonization box 6 to incline, and the tail gas is matched with the left and right movement of a scraping ring 25 to pour carbon materials into a forming disc 35 and collect tar adhered in the mixed carbonization box 6;
step seven: the conveyor belt 34 conveys the forming disc 35 to the lower part of the pressing frame 36, the pressing plate 38 is pushed by the second pneumatic cylinder 37 to press and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the pressing process, so that the carbon material is suitable for the unused combustion requirement.
According to the invention, the straws are put into the straw crushing bin 3, the straw crushing bin is rotated by the grinding roller 13 to be crushed into straw powder, the straw powder and the tailings conveyed by the tailings conveying pipe 4 are put into the mixing carbonization box 6 together, the stirring assembly is driven by the rotating shaft to move left and right to uniformly mix the straw powder with the nonmetallic tailings, the carbonization burner 7 is used for heating the mixing carbonization box 6 to carbonize the mixture of the straw powder and the nonmetallic tailings, and the ore-based biochar is obtained, so that the recycling of the nonmetallic tailings and the straws is facilitated, the energy utilization efficiency is improved, and the pollution generated by direct treatment is avoided. And before the straw powder and the nonmetallic tailings are put into the mixing carbonization box 6, the straw powder and the nonmetallic tailings are respectively contained by two groups of weighing bins, and the weight proportion of the straw powder and the nonmetallic tailings is determined by weighing of the gravity sensor 31, so that the subsequent ore-based biochar preparation effect is better. Meanwhile, after the carbon material is prepared, one end of the mixing carbonization box 6 is inclined, the carbon material is poured into the forming disc 35, the pressing plate 38 is pushed to be pressed downwards by the second pneumatic cylinder 37 to extrude and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the extrusion process, so that the carbon material is suitable for different combustion requirements.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Utilize straw load nonmetal tailing's ore base biochar production facility, including mounting bracket (1) and bracket (2), its characterized in that: the straw crushing machine is characterized in that two ends above the front side of the mounting frame (1) are respectively provided with a straw crushing bin (3) and a tailing conveying pipe (4), the supporting plate (5) is rotatably arranged on the bracket (2), one end above the supporting plate (5) is provided with a mixed carbonization box (6), the output ends of the straw crushing bin (3) and the tailing conveying pipe (4) face the mixed carbonization box (6), one end at the top of the bracket (2) is provided with a carbonization burner (7), and the supporting plate (5) at the bottom of the mixed carbonization box (6) is in an opening shape;
the upper part inside the mixing carbonization box (6) is provided with a chute, a cover plate (8) is movably arranged in the chute, one end, far away from the mixing carbonization box (6), of the top of the supporting plate (5) is provided with a shaft plate (9), a sliding rod (10) is arranged in the shaft plate (9), a sliding block (11) is arranged on the sliding rod (10), one end of the sliding block (11) is rotatably provided with a rotating shaft (12), the rotating shaft (12) is movably inserted into the mixing carbonization box (6), and a stirring assembly is arranged on the rotating shaft (12);
the front side and the rear side of the top of the bracket (2) are respectively provided with an electric telescopic rod (20) in a rotating way, the front side and the rear side of the mixed carbonization box (6) are respectively provided with a bracket (21), and the output ends of the two groups of electric telescopic rods (20) are respectively hinged with the two groups of brackets (21);
the inside rotation of arbor (9) is equipped with screw (22), and screw (22) run through slider (11) and screw thread adaptation, the one end of arbor (9) is equipped with second motor (23), and the output of second motor (23) with screw (22) are connected, stirring subassembly includes (24) stirring axle and scrapes limit circle (25), the one end in the pivot (12) outside is established to (24), scrape the outside of limit circle (25) setting in (24) stirring axle, the inside of mixing carbonization case (6) is cylindrical chamber, the one end of slider (11) is equipped with third motor (26), and the output end of the third motor (26) is connected with the rotating shaft (12), one end of the mixing carbonization box (6) is provided with an opening, a baffle (27) is hinged on the opening, the baffle (27) is driven to rotate by a servo motor, the middle end of the front side of the mounting frame (1) is provided with a support frame (28), two ends of the support frame (28) are respectively provided with weighing bins (29), two groups of weighing bins are respectively positioned below the output ends of the straw crushing bins (3) and the tailing conveying pipes (4), two sides of the weighing bins (29) are respectively provided with a weighing plate (30), a gravity sensor (31) is arranged between the weighing plates (30) and the support frame (28), the bottom of storehouse (29) of weighing articulates there is bottom plate (32), and the one end of storehouse (29) of weighing articulates there is first pneumatic cylinder (33), the output of first pneumatic cylinder (33) with bottom plate (32) are articulated, the one end position department of mixing carbonization case (6) is equipped with conveyer belt (34), and has placed shaping dish (35) on conveyer belt (34), the rear side on conveyer belt (34) is equipped with pressure frame (36), and is equipped with second pneumatic cylinder (37) on pressure frame (36), the output of second pneumatic cylinder (37) is equipped with clamp plate (38).
2. The ore-based biochar production equipment using straw-loaded nonmetallic tailings according to claim 1, wherein: the straw grinding bin is characterized in that grinding rollers (13) are rotatably arranged at two ends of the upper portion inside the straw grinding bin (3), two groups of grinding rollers (13) are matched with each other, linkage gears (14) matched with each other are rotatably arranged at two ends of the upper portion of the front side of the straw grinding bin (3), the two groups of linkage gears (14) are respectively connected with the two groups of grinding rollers (13), one group of grinding rollers (13) are driven to rotate by a driving machine, and an electromagnetic valve is arranged at the bottom output end of the straw grinding bin (3).
3. The ore-based biochar production equipment using straw-loaded nonmetallic tailings according to claim 2, wherein: one end at tailing conveyer pipe (4) top communicates there is feeder hopper (15), and the other end intercommunication of tailing conveyer pipe (4) bottom has discharging pipe (16), the inside rotation of tailing conveyer pipe (4) is equipped with screw axis (17), and the one end of tailing conveyer pipe (4) is equipped with first motor (18), the output of first motor (18) with screw axis (17) are connected.
4. The ore-based biochar production equipment using straw-loaded nonmetallic tailings according to claim 3, wherein: the upper part of one end of the mixing carbonization box (6) is provided with a driving toothed roller (19), the driving toothed roller (19) is driven to rotate by a servo motor, and the bottom of the cover plate (8) is provided with a tooth slot matched with the driving toothed roller (19).
5. The method for producing the ore-based biochar production equipment by using the straw-loaded nonmetallic tailings, which is characterized by comprising the following steps of:
step one: putting the straws into a straw crushing bin (3), grinding the straws into straw powder through rotation of a grinding roller (13), putting the nonmetallic tailings into a tailings conveying pipe (4), starting a first motor (18) to drive a screw shaft (17) to rotate, and scattering and conveying the nonmetallic tailings;
step two: opening an electromagnetic valve at the bottom of a straw crushing bin (3), throwing straw powder into a group of weighing bins (29), discharging by a discharging pipe (16) of a synchronous tailing conveying pipe (4), throwing nonmetallic tailings into another group of weighing bins (29), and determining the weight ratio of the straw powder to the nonmetallic tailings according to the weight of a gravity sensor (31);
step three: the toothed roller (19) is driven to rotate to open the cover plate (8), the first pneumatic cylinder (33) opens the bottom plate (32), and the weighed straw powder and the nonmetal tailings are put into the mixing carbonization box (6);
step four: closing the cover plate (8), starting a third motor (26), driving the rotating shaft (12) to rotate, stirring the straw powder and the nonmetallic tailings by rotating the stirring shaft (24) and the scraping ring (25), synchronizing the second motor (23) to drive the screw rod (22) to rotate in a reciprocating manner, and driving the sliding block (11) to move left and right along the sliding rod (10), so that the stirring shaft (24) and the scraping ring (25) move left and right in the mixing carbonization box (6) to stir;
step five: starting a carbonization burner (7), heating a mixing carbonization box (6), introducing inert gas to perform anaerobic combustion, controlling the temperature, and performing low-temperature pyrolysis carbonization treatment on the mixture of straw powder and nonmetallic tailings in the mixing carbonization box;
step six: in the process, the tail gas generated by the air extractor is pumped to the purifying tower, after carbonization, the servo motor drives the baffle plate (27) to rotate, the opening at one end of the mixed carbonization box (6) is opened, the electric telescopic rod (20) pushes the bracket (21) to enable the supporting plate (5) and one end of the mixed carbonization box (6) to incline, the carbon material is poured into the forming disc (35) in cooperation with the left-right movement of the scraping ring (25), and tar adhered in the mixed carbonization box (6) is collected;
step seven: the conveyor belt (34) conveys the forming disc (35) to the lower part of the pressing frame (36), the second pneumatic cylinder (37) pushes the pressing plate (38) to press down to extrude and form the carbon material, and the density of the carbon material is adjusted by adjusting the pressure in the extrusion process.
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