CN217654219U

CN217654219U - Rice straw baking device with indirect heat exchange function

Info

Publication number: CN217654219U
Application number: CN202221841487.2U
Authority: CN
Inventors: 陆爱灵; 张婧; 廖广东; 雷廷宙; 刘鹏; 杨延涛
Original assignee: Shanda Environmental Restoration Co ltd
Current assignee: Shanda Environmental Restoration Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-25
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a rice straw curing device of indirect heat transfer relates to the straw and cures technical field, including the curer, the external fixed surface of curer is connected with mechanism case, the inside of mechanism case is provided with and comes and goes the mechanism, it includes the motor to come and go the mechanism, the inside of curer is provided with rabbling mechanism, the external fixed surface of a rotating tube is connected with bevel gear. It can be through rabbling mechanism's setting, bevel gear one rotates and drives bevel gear four rotations through bevel gear two and bevel gear three, carry out the inner circle stirring to the rice straw of roasting box, because bevel gear four's direction of rotation is opposite with bevel gear one's direction of rotation, make the stirring opposite direction of inner circle and outer lane, thereby evenly stir the rice straw in the roasting box, it is even to be heated to make the rice straw roast the in-process, thereby accelerate the speed of baking, avoid the rice straw in the roasting box to pile up, it is incomplete to make partial rice straw bake, thereby lead to baking the quality and descend.

Description

Rice straw baking device with indirect heat exchange function

Technical Field

The utility model relates to a straw cures technical field, specifically is a rice straw cures device of indirect heat transfer.

Background

The straw baking is a pretreatment technology for slowly pyrolyzing the straws at the temperature of 200-300 ℃ under the anaerobic or anoxic condition to generate a small amount of gas and liquid products, the activation energy, the heat productivity and the energy density can be increased after the straws are baked, the grinding performance and the hydrophobic performance of the biomass are improved, the volatile content is reduced, the fixed carbon content is increased, the combustion performance of the straws can be obviously improved, the straws are processed into molding fuel, the straw density can be improved, the transportation, the storage and the application are convenient, the bottleneck of large-scale application of the biomass is solved, the combustion performance of the straws is improved, and the energy utilization of the straws is promoted.

The rice straw belongs to one of the straws, the rice straw needs to be stirred in the baking process of the rice straw, the rice straw is stirred by a simple stirring rod in the conventional rice straw baking machine, and the stirring is not uniform, so that the heating is not uniform in the baking process of the rice straw, the baking speed is reduced, or the rice straw is accumulated, so that part of the rice straw is not completely baked, and the baking quality is reduced; therefore, the rice straw baking device with the indirect heat exchange function is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rice straw baking device with indirect heat exchange for making up the defects of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rice straw baking device of indirect heat transfer, includes the baking oven, the external fixed surface of baking oven is connected with mechanism case, the inside of mechanism case is provided with and comes and goes the mechanism, it includes the motor to come and go the mechanism, the inside of baking oven is provided with rabbling mechanism, rabbling mechanism includes rotating tube one, the external fixed surface of rotating tube one is connected with bevel gear one, bevel gear one's outer periphery meshing is connected with bevel gear two and bevel gear three.

Further, the surface mounting of curer has plate indirect heat exchanger, motor fixed connection is at the surface of mechanism case, the output shaft of motor runs through the surface of mechanism case and rotates with the mechanism case to be connected, the output shaft fixedly connected with carousel of motor, the surface of carousel rotates through the round pin axle and is connected with the connecting rod, the one end that the carousel was kept away from to the connecting rod is rotated through the round pin axle and is connected with the rack, and plate indirect heat exchanger is prior art, makes the separation after mixing before the heat transfer and the heat transfer through setting up of plate indirect heat exchanger, has saved manufacturing cost from time and technology, has improved production efficiency.

Furthermore, the outer fixed surface of rack is connected with two slide bars, the inner wall fixedly connected with slide rail of mechanism case, two the equal sliding connection of surface of slide bar is at the inner wall of slide rail, through the setting of slide bar, keeps the rack to keep the level in the motion process, avoids the rack to take place the slope and the meshing of first gear disconnection.

Furthermore, a first rotating pipe penetrates through the inner top wall of the baking box and is connected with the baking box in a rotating mode, a first gear is fixedly connected to the outer surface of the first rotating pipe, the first gear is meshed with a rack, the rack rotates to drive the first gear to rotate, power is provided for stirring rice straws by the rotation of the stirrer, and after the rack moves to drive the first gear to rotate for a circle, the rack moves to drive the rack to rotate for a circle in a reverse direction.

Furthermore, the inner top wall of the mechanism box is fixedly connected with a first fixing rod, the first rotating pipe is slidably connected to the outer surface of the first fixing rod, the outer surface of the first fixing rod is fixedly connected with a second fixing rod, the second bevel gear and the third bevel gear are respectively rotatably connected to the outer surfaces of the second fixing rod, the outer surfaces of the second fixing rod are fixedly connected with a first limiting plate, the second bevel gear and the third bevel gear are respectively limited through the arrangement of the first limiting plate, and the first limiting plate and the third bevel gear are always meshed with the first bevel gear.

Furthermore, the outer surface of the first fixing rod is rotatably connected with a second rotating pipe, the outer surface of the second rotating pipe is fixedly connected with a fourth bevel gear, the second bevel gear and the third bevel gear are meshed with the fourth bevel gear, the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are completely identical, when the first bevel gear moves, the second bevel gear and the third bevel gear drive the fourth bevel gear to rotate, and the rotating directions of the first bevel gear and the fourth bevel gear are opposite.

Furthermore, a second limiting plate is arranged below the second rotating pipe, the second limiting plate is fixedly connected to one end of the first fixing rod, three stirrers in a circumferential array are fixedly connected to the outer surfaces of the first rotating pipe and the second rotating pipe, a gap is reserved between the stirrer on the first rotating pipe and the stirrer on the second rotating pipe, mutual interference in the movement process of the stirrers is avoided, the second limiting plate is arranged, the second rotating pipe is prevented from falling off, and meanwhile, the fourth limiting bevel gear is enabled to be always meshed with the second bevel gear and the third bevel gear.

Compared with the prior art, this indirect heat transfer's rice straw baking equipment possesses following beneficial effect:

1. the utility model discloses a setting of rabbling mechanism, it rotates to drive the agitator on the three rotating-tube one when rotating-tube one, carry out the outer lane stirring to the rice straw in the baking oven, bevel gear rotates and drives bevel gear four rotations through bevel gear two and bevel gear three, thereby it rotates to drive the agitator on the three rotating-tube two, the rice straw to the baking oven carries out the inner circle stirring, because bevel gear four's rotation direction is opposite with bevel gear one's rotation direction, the stirring opposite direction who makes inner circle and outer lane, thereby evenly stir the rice straw in the baking oven, make the rice straw bake the in-process and be heated evenly, thereby accelerate the speed of curing, the rice straw in avoiding the baking oven is piled up, make partial rice straw bake incompletely, thereby lead to baking the quality and descend.

2. The utility model discloses a setting of mechanism comes and goes, the motor drives the carousel and rotates, the carousel rotates and drives rack reciprocating motion through the connecting rod, it is rotatory to make first gear cycle carry out positive and negative rotation, thereby make the agitator carry out the stirring of positive and negative rotation, further increase the stirring effect to the straw in the baking box, when avoiding the agitator to follow same direction rotation always, the straw that makes in the baking box receives the rotatory thrust of agitator to depend on one side at the agitator always, lead to depending on the straw at the agitator to cure the effect and reduce.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic perspective view of the reciprocating mechanism of the present invention;

fig. 4 is a schematic perspective view of the mechanism box of the present invention.

In the figure: 1. a baking oven; 2. a mechanism box; 3. a reciprocating mechanism; 31. a motor; 32. a turntable; 33. a connecting rod; 34. a rack; 35. a slide bar; 36. a slide rail; 4. a stirring mechanism; 401. fixing a rod I; 402. rotating the first tube; 403. a first gear; 404. a first bevel gear; 405. a second bevel gear; 406. a third bevel gear; 407. a second fixing rod; 408. a first limiting plate; 409. rotating the second tube; 410. a fourth bevel gear; 411. a second limiting plate; 412. a stirrer; 5. plate type indirect heat exchanger.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a rice straw baking device of indirect heat transfer, and the device makes rice straw bake in-process and is heated evenly to accelerate the speed of baking, avoid the rice straw in the baking oven to pile up, make partial rice straw bake incompletely, thereby lead to baking the quality to descend.

Referring to fig. 1 and 3, a rice straw baking equipment of indirect heat transfer, including baking oven 1, the pan feeding mouth has been seted up to baking oven 1's surface, make things convenient for the staff to add the rice straw in to baking oven 1 through the pan feeding mouth, the discharge door is installed to baking oven 1's bottom, can be through rotatory discharge door handle, open the discharge door, after baking the completion, make things convenient for the staff to take out the rice straw that cures in baking oven 1, baking oven 1's surface mounting has plate type indirect heat exchanger 5, plate type indirect heat exchanger 5 is prior art, make the separation after mixing and the heat transfer before the heat transfer not using through setting up of plate type indirect heat exchanger 5, manufacturing cost has been saved from time and technology, production efficiency is improved.

The outer fixed surface of curer 1 is connected with mechanism case 2, the inside of mechanism case 2 is provided with to and fro mechanism 3, to and fro mechanism 3 includes motor 31, motor 31 fixed connection is at the surface of mechanism case 2, the output shaft of motor 31 runs through the surface of mechanism case 2 and rotates with mechanism case 2 and is connected, the output shaft fixed connection of motor 31 has carousel 32, carousel 32 is rotatory to be passed through connecting rod 33 and drives rack 34 and do reciprocating motion, thereby make first gear 403 do periodic positive and negative rotary motion.

The outer surface of the rotary table 32 is rotatably connected with a connecting rod 33 through a pin shaft, one end, far away from the rotary table 32, of the connecting rod 33 is rotatably connected with a rack 34 through a pin shaft, the connecting rod 33 is long enough, and the rotary table 32 is prevented from interfering with the movement track of the rack 34 in the movement process of driving the rack 34 by the connecting rod 33.

Two sliding rods 35 are fixedly connected to the outer surface of the rack 34, and through the arrangement of the sliding rods 35, the rack 34 is kept horizontal in the movement process, so that the rack 34 is prevented from being inclined and disengaged from the first gear 403.

The inner wall of the mechanism box 2 is fixedly connected with a slide rail 36, the outer surfaces of the two slide bars 35 are both connected to the inner wall of the slide rail 36 in a sliding manner, the length of the slide rail 36 is long enough to meet the moving range of the rack 34, and the stability of the rack 34 in the moving process is improved by the cooperation of the slide bars 35 and the slide rail 36.

Referring to fig. 2 and 4, the stirring mechanism 4 is arranged inside the baking oven 1, the stirring mechanism 4 includes a first rotating pipe 402, the first rotating pipe 402 penetrates through the inner top wall of the baking oven 1 and is connected with the baking oven 1 in a rotating manner, a first gear 403 is fixedly connected to the outer surface of the first rotating pipe 402, the first gear 403 is meshed with the rack 34, the rack 34 rotates to drive the first gear 403 to rotate, power is provided for stirring the rice straw for the rotation of the stirrer 412, and after the rack 34 moves to drive the first gear 403 to rotate for a circle, the rack 34 drives the rack 34 to rotate in a reverse direction for a circle through reverse movement.

The inner top wall of the mechanism box 2 is fixedly connected with a first fixing rod 401, a first rotating pipe 402 is slidably connected to the outer surface of the first fixing rod 401, a first bevel gear 404 is fixedly connected to the outer surface of the first rotating pipe 402, a second bevel gear 405 and a third bevel gear 406 are connected to the outer circumferential surface of the first bevel gear 404 in a meshed mode, two second fixing rods 407 are fixedly connected to the outer surface of the first fixing rod 401, and the heights of the second bevel gear 405 and the third bevel gear 406 are limited by the second fixing rods 407, so that the second bevel gear 405 and the third bevel gear 406 are kept meshed with the first bevel gear 404, and meanwhile, the stability of the second bevel gear 405 and the third bevel gear 406 in rotation is improved.

The second bevel gear 405 and the third bevel gear 406 are respectively rotatably connected to the outer surfaces of the second fixing rods 407, the outer surfaces of the second fixing rods 407 are respectively fixedly connected with a first limiting plate 408, and the second bevel gear 405 and the third bevel gear 406 are respectively limited by the arrangement of the first limiting plate 408 and are kept to be meshed with the first bevel gear 404 all the time.

The outer surface of the first fixing rod 401 is rotatably connected with a second rotating pipe 409, the outer surface of the second rotating pipe 409 is fixedly connected with a fourth bevel gear 410, the second bevel gear 405 and the third bevel gear 406 are meshed with the fourth bevel gear 410, the first bevel gear 404, the second bevel gear 405, the third bevel gear 406 and the fourth bevel gear 410 are completely identical, when the first bevel gear 404 moves, the fourth bevel gear 410 is driven to rotate through the second bevel gear 405 and the third bevel gear 406, and the rotating directions of the first bevel gear 404 and the fourth bevel gear 410 are opposite.

A second limiting plate 411 is arranged below the second rotating pipe 409, the second rotating pipe 409 is limited by the second limiting plate 411, the second rotating pipe 409 is prevented from falling off, and meanwhile, the fourth bevel gear 410 is limited, so that the fourth bevel gear 410 is always meshed with the second bevel gear 405 and the third bevel gear 406.

The second limiting plate 411 is fixedly connected to one end of the first fixing rod 401, three circumferential stirrers 412 are fixedly connected to the outer surfaces of the first rotating pipe 402 and the second rotating pipe 409, and a gap is reserved between the stirrer 412 on the first rotating pipe 402 and the stirrer 412 on the second rotating pipe 409 so as to prevent the stirrers 412 from interfering with each other in the movement process.

The working principle is as follows: when the device is used, rice straws to be baked are poured into the baking box 1 from a feeding port of the baking box 1, the motor 31 is started, the motor 31 drives the turntable 32 to rotate, the turntable 32 rotates to drive one end of the connecting rod 33 to rotate, the other end of the connecting rod 33 drives the rack 34 to do reciprocating motion, the rack 34 drives the first gear 403 to circularly rotate in a forward and reverse direction, the first gear 403 rotates to drive the first rotating pipe 402 to rotate, the first rotating pipe 402 rotates to drive the stirrers 412 on the three first rotating pipes 402 to rotate, so that the stirrers 412 on the first rotating pipe 402 stir the outer rings of the rice straws in the baking box 1, the first rotating pipe 402 rotates to drive the first bevel gear 404 to rotate, the first bevel gear 404 rotates to drive the fourth bevel gear 410 to rotate through the second bevel gear 405 and the third bevel gear 406, the fourth bevel gear 410 rotates to drive the second rotating pipe 409 to rotate, the second rotating pipe 409 rotates to drive the stirrers 412 on the second rotating pipe 409 to rotate, the inner ring of the rice straw in the baking box 1 is stirred by the stirrer 412 on the rotating pipe 409, the rotating direction of the bevel gear 404 is opposite to that of the rotating pipe 409, the stirring direction of the inner ring is opposite to that of the outer ring, the rice straw in the baking box 1 is uniformly stirred, the rice straw is uniformly heated in the baking process, the baking speed is accelerated, the stirrer 412 is positively and negatively rotated due to the positive and negative rotation of the first gear 403, the stirring effect on the rice straw in the baking box 1 is further increased, the situation that the rice straw in the baking box 1 is always adhered to one side of the stirrer 412 by the rotating thrust of the stirrer 412 when the stirrer 412 is always rotated along the same direction is avoided, the rice straw adhered to the stirrer 412 is reduced in baking effect, the rice straw accumulation in the baking box is avoided, and part of the rice straw is not completely baked, resulting in a reduction in baking quality.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a rice straw baking equipment of indirect heat transfer, includes torrefaction box (1), its characterized in that: the outer fixed surface of roasting box (1) is connected with mechanism case (2), the inside of mechanism case (2) is provided with to come and go mechanism (3), it includes motor (31) to come and go mechanism (3), the inside of roasting box (1) is provided with rabbling mechanism (4), rabbling mechanism (4) are including rotating tube (402), the outer fixed surface of rotating tube (402) is connected with bevel gear (404), the outer periphery meshing of bevel gear (404) is connected with bevel gear two (405) and bevel gear three (406).

2. The rice straw roasting apparatus with indirect heat exchange as claimed in claim 1, wherein: the utility model discloses a baking oven, including baking box (1), motor (31), output shaft, connecting rod (33), the outer surface mounting of baking box (1) has plate-type indirect heat exchanger (5), motor (31) fixed connection is at the surface of mechanism case (2), the output shaft of motor (31) runs through the surface of mechanism case (2) and rotates with mechanism case (2) to be connected, the output shaft fixed connection carousel (32) of motor (31), the surface of carousel (32) rotates through the round pin axle and is connected with connecting rod (33), the one end that carousel (32) were kept away from in connecting rod (33) rotates through the round pin axle and is connected with rack (34).

3. The rice straw roasting apparatus with indirect heat exchange as claimed in claim 2, wherein: the outer fixed surface of rack (34) is connected with two slide bars (35), the inner wall fixed connection of mechanism case (2) has slide rail (36), two the equal sliding connection of surface of slide bar (35) is at the inner wall of slide rail (36).

4. The rice straw baking device with indirect heat exchange function as claimed in claim 2, wherein: the first rotating pipe (402) penetrates through the inner top wall of the baking box (1) and is rotatably connected with the baking box (1), a first gear (403) is fixedly connected to the outer surface of the first rotating pipe (402), and the first gear (403) is meshed with the rack (34).

5. The rice straw roasting apparatus with indirect heat exchange as claimed in claim 1, wherein: the mechanism is characterized in that a first fixing rod (401) is fixedly connected to the inner top wall of the mechanism box (2), a first rotating pipe (402) is slidably connected to the outer surface of the first fixing rod (401), two second fixing rods (407) are fixedly connected to the outer surface of the first fixing rod (401), a second bevel gear (405) and a third bevel gear (406) are respectively rotatably connected to the outer surfaces of the two second fixing rods (407), and a first limiting plate (408) is fixedly connected to the outer surfaces of the two second fixing rods (407).

6. The rice straw baking device with indirect heat exchange function as claimed in claim 5, wherein: the outer surface of the first fixing rod (401) is rotatably connected with a second rotating pipe (409), the outer surface of the second rotating pipe (409) is fixedly connected with a fourth bevel gear (410), and the second bevel gear (405) and the third bevel gear (406) are both meshed with the fourth bevel gear (410).

7. The rice straw baking device with indirect heat exchange function as claimed in claim 6, wherein: a second limiting plate (411) is arranged below the second rotating pipe (409), the second limiting plate (411) is fixedly connected to one end of the first fixing rod (401), and three stirrers (412) in a circumferential array are fixedly connected to the outer surfaces of the first rotating pipe (402) and the second rotating pipe (409).