阅读说明：本技术 一种农作物秸秆快速脱水干燥加工装置 (Crop straw rapid dehydration drying processing device ) 是由 滕少花 吴柱月 肖正中 王自豪 周晓情 周俊华 黄光云 杨翠 严静 罗斯忠 温斌 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种农作物秸秆快速脱水干燥加工装置,涉及回收工程技术领域,解决了当前农作物秸秆在脱水干燥过程中存在处理效果低下、受外界环境因素影响较大以及耗时较长和电能消耗过大的问题,其技术方案要点是：包括呈镜像对称设置的承托台以及固定安装在承托台上的烘干箱体,烘干箱体上表面一端设置有进料系统,且烘干箱体内部设置有传送系统、搅拌系统以及热量循环系统,传送系统由呈回形针状的铝合金金属板以及设置在铝合金金属板两端的链条带组成,承托台相互靠近的内壁均开设有与链条带匹配的链条传动槽；达到简化秸秆脱水干燥步骤,减少外界因素对脱水干燥过程的硬性,节约人力和电能,提高了工作效率。(The invention discloses a crop straw rapid dehydration and drying processing device, relates to the technical field of recovery engineering, and solves the problems of low treatment effect, large influence by external environmental factors, long consumed time and overlarge electric energy consumption in the dehydration and drying process of the current crop straw, and the technical scheme has the following key points: the drying device comprises a supporting platform and a drying box body, wherein the supporting platform is arranged in a mirror symmetry mode, the drying box body is fixedly installed on the supporting platform, a feeding system is arranged at one end of the upper surface of the drying box body, a conveying system, a stirring system and a heat circulating system are arranged in the drying box body, the conveying system is composed of a clip-shaped aluminum alloy metal plate and chain belts arranged at two ends of the aluminum alloy metal plate, and chain transmission grooves matched with the chain belts are formed in the inner walls, close to each other, of the supporting platform; the method simplifies the steps of straw dehydration and drying, reduces the hardness of external factors to the dehydration and drying process, saves manpower and electric energy, and improves the working efficiency.)

1. The utility model provides a crop straw rapid dehydration dry processingequipment, is including bearing platform (1) and the stoving box (2) of fixed mounting on bearing platform (1) that are mirror symmetry and set up, characterized by: a feeding system is arranged at one end of the upper surface of the drying box body (2), and a conveying system, a stirring system and a heat circulating system are arranged in the drying box body (2);

the conveying system is composed of a clip-shaped aluminum alloy metal plate (14) and chain belts (13) arranged at two ends of the aluminum alloy metal plate (14), chain transmission grooves (17) matched with the chain belts (13) are formed in the inner walls, close to each other, of the bearing platform (1), flattening rollers (16) tangent to the aluminum alloy metal plate (14) are uniformly arranged at the upper end of the aluminum alloy metal plate (14), and chain transmission discs (15) matched with the chain belts (13) are fixedly arranged at two ends of each flattening roller (16) in a symmetrical distribution manner;

the center point of the chain transmission disc (15) at one end is fixedly provided with a third roller disc (1103) which is rotatably connected with the drying box body (2), the chain transmission disc (15) at the other end is rotatably connected with the drying box body (2), and the third roller disc (1103) is positioned outside the drying box body (2);

the electric heating plates (19) are fixedly mounted in the middle positions, close to each other, of the two bearing platforms (1), the upper surfaces of the electric heating plates (19) and the inner wall of the upper end of the aluminum alloy metal plate (14) are located on the same horizontal plane, and electric heating tubes (20) are fixedly mounted inside the electric heating plates (19).

2. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: the feeding system is composed of a feeding cover (9) arranged on the upper surface of the drying box body (2) and a feeding rotary drum (22) arranged inside the feeding cover (9), hooks (21) are uniformly distributed and fixedly arranged on the outer wall of the circumference of the feeding rotary drum (22), one end of the feeding rotary drum (22) is rotatably connected with the inside of the feeding cover (9), a first roller disc (1101) is fixedly arranged at the other end of the feeding rotary drum (22), and the first roller disc (1101) is rotatably connected with the feeding cover (9).

3. The crop straw rapid dehydration and drying processing device as claimed in claim 2, which is characterized in that: the screening device is characterized in that a screening baffle (23) is fixedly mounted at the tail end of the feeding cover (9), the screening baffle (23) is in an oblique herringbone shape, a through hole is formed in the position, close to the tail end of the feeding cover (9), of the screening baffle (23), a slag hole (10) is fixedly mounted on the lower surface of the feeding cover (9), and the setting position of the slag hole (10) is matched with the lower end of the screening baffle (23).

4. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: a discharging port (18) is fixedly installed at one end, far away from the feeding cover (9), of the supporting platform (1), and the discharging port (18) and the aluminum alloy metal plate (14) are tangent.

5. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: every be evenly distributed on the circumference outer wall of flattening cylinder (16) and seted up ventilative mouthful (1601), just be evenly distributed fixed mounting on the circumference outer wall of flattening cylinder (16) and have extrusion strip (1602), every extrusion strip (1602) are located every adjacent the intermediate position of ventilative mouthful (1601).

6. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: every group the central point of chain drive dish (15) puts fixed mounting with central connecting axle (1604), it comprises a plurality of semi-arc board (1603) to flatten cylinder (16), semi-arc board (1603) is the annular along the centre of a circle point of central connecting axle (1604) and distributes, just semi-arc board (1603) is close to the outer wall central point fixed mounting who connects axle (1604) and has buffer spring (1605), every fixed connection between buffer spring (1605) and the central connecting axle (1604).

7. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: drying box (2) inside is evenly distributed and rotates and install cooperation stick (25), it has stirring ring (24) to be evenly distributed fixed mounting on cooperation stick (25) circumference outer wall, just cooperation stick (25) one end runs through drying box (2) and fixed mounting has fourth reel dish (1104), cooperation stick (25) are located every adjacent the intermediate position of cylinder (16) flattens, and a plurality of mixing system is constituteed to cooperation stick (25).

8. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: a first servo motor (5), a second servo motor (6) and a third servo motor (7) are fixedly mounted on the upper surface of the drying box body (2) respectively, and belts (12) are arranged between the first servo motor (5) and a fourth roller disc (1104), between the second servo motor (6) and a third roller disc (1103) and between the third servo motor (7) and the first roller disc (1101);

the outer surface of the drying box body (2) located on the third roller disc (1103) is uniformly distributed and rotatably provided with second roller discs (1102), the second roller discs (1102) are located in the middle of each adjacent third roller disc (1103), and the second roller discs (1102) are matched with the belt (12).

9. The crop straw rapid dehydration and drying processing device as claimed in claim 1, which is characterized in that: the heat circulating system comprises an exhaust fan (8) and a heat collection and recovery box (4) which are arranged on the upper surface of the drying box body (2), a fixed frame (26) is fixedly arranged in the middle of the interior of the heat collection and recovery box (4), and a water absorption plate (27) is arranged in the fixed frame (26);

the input of air exhauster (8) and stoving box (2) and heat collection recovery case (4) are located and are linked together between the inside of water absorption plate (27) downside, heat collection recovery case (4) upper surface central point puts fixed mounting has backflow pipeline (3), intercommunication between backflow pipeline (3) terminal and stoving box (2).

Technical Field

The invention relates to the technical field of recovery engineering, in particular to a crop straw rapid dehydration and drying processing device.

Background

In summer and autumn and winter every year, a large amount of straws of wheat, corn and the like are burnt in the field, a large amount of dense smoke is generated, the problem becomes a bottleneck problem of rural environment protection, even a chief culprit of compromising urban environment, according to relevant statistics, as a big agricultural country in China, more than 7 hundred million tons of straws can be generated every year, the straws become wastes which are not used much but need to be treated, and under the condition, the straws are completely treated by farmers, so that a large amount of burning phenomena occur, and a more serious atmospheric pollution problem is caused.

Therefore, in the current mode, the problem of straw recycling is particularly important, and the straw recycling mode is roughly divided into various modes such as fermentation into fertilizer recycling, dry preservation as livestock feed, natural fermentation into methane and the like.

Especially for the mode of dry preservation as poultry fodder, carry out dehydration drying, cutting a plurality of steps such as smashing and packing with the straw after reaping, but at dehydration drying's in-process, adopt dry dehydration's mode at present, divide into electric heat dehydration drying or natural sunning drying etc. in most, at electric heat dehydration's in-process, can consume a large amount of time and consume too much electric energy, and at natural sunning's in-process, easily receive the change of weather temperature and influence the time of drying, in addition, sunning in-process can occupy great area, operating efficiency is very low, therefore, for solving this type of problem, we propose a quick dehydration drying processingequipment of crop straw.

Disclosure of Invention

The invention aims to provide a processing device for quickly dehydrating and drying crop straws, which simplifies the steps of dehydrating and drying the straws, reduces the hardness of external factors to the dehydrating and drying process, saves manpower and electric energy and improves the working efficiency.

The technical purpose of the invention is realized by the following technical scheme: the drying device comprises a supporting platform and a drying box body, wherein the supporting platform is arranged in a mirror symmetry mode, the drying box body is fixedly arranged on the supporting platform, a feeding system is arranged at one end of the upper surface of the drying box body, and a conveying system, a stirring system and a heat circulating system are arranged in the drying box body;

the conveying system consists of a clip-shaped aluminum alloy metal plate and chain belts arranged at two ends of the aluminum alloy metal plate, chain transmission grooves matched with the chain belts are formed in the inner walls, close to each other, of the supporting platforms, flattening rollers tangent to the aluminum alloy metal plate are uniformly arranged at the upper end of the aluminum alloy metal plate, and chain transmission discs matched with the chain belts are fixedly arranged at two ends of each flattening roller in a symmetrical distribution manner;

the center point of the chain transmission disc at one end is fixedly provided with a third roller disc which is rotatably connected with the drying box body, the chain transmission disc at the other end is rotatably connected with the drying box body, and the third roller disc is positioned outside the drying box body;

the electric heating plates are fixedly arranged at the middle positions of the two bearing platforms, which are close to each other, the upper surfaces of the electric heating plates and the inner wall of the upper end of the aluminum alloy metal plate are positioned on the same horizontal plane, and the electric heating tubes are fixedly arranged in the electric heating plates.

By adopting the technical scheme, the straws are dehydrated and dried by heat generated by the electric heating tube in the whole device, and the aluminum alloy metal plate with better heat transfer effect is used as a main drying part, so that the straw drying device is not influenced by the external environment and the dehydration and drying effect is improved;

during the treatment process, the straws are conveyed by the chain belt and the chain transmission disc, so that the automatic conveying of the straws can be realized.

The invention is further configured to: the feeding system comprises a feeding cover arranged on the upper surface of the drying box body and a feeding rotary drum arranged in the feeding cover, hooks are uniformly distributed and fixedly arranged on the outer wall of the circumference of the feeding rotary drum, one end of the feeding rotary drum is rotatably connected with the inside of the feeding cover, a first roller disc is fixedly arranged at the other end of the feeding rotary drum, and the first roller disc is rotatably connected with the feeding cover.

Through adopting above-mentioned technical scheme, at the in-process of puting in the straw to a plurality of couples on the feeding rotary drum are got and are puted in the aluminum alloy metal sheet with the straw hook.

The invention is further configured to: the screening baffle is fixedly mounted at the position, located at the tail end, in the feeding cover, and is in an oblique herringbone shape, a through hole is formed in the position, close to the tail end, of the screening baffle, a slag hole is fixedly mounted on the lower surface of the feeding cover, and the setting position of the slag hole is matched with the lower end of the screening baffle.

Through adopting above-mentioned technical scheme, at the in-process of putting in the straw, be provided with the screening baffle to through setting up through-hole and the slag notch on the screening baffle, screen the filtration to the grit in the straw.

The invention is further configured to: the supporting platform is far away from one end fixed mounting of feeding cover and is provided with the discharge gate, be tangent form between discharge gate and the aluminum alloy metal sheet.

Through adopting above-mentioned technical scheme, at the in-process of the good straw of discharge processing to discharge the discharge gate that is tangent form, and guarantee the inside whole leakproofness of stoving box.

The invention is further configured to: each flattening roller is uniformly distributed with air vents on the outer wall of the circumference, and extrusion strips are uniformly distributed and fixedly mounted on the outer wall of the circumference of the flattening roller, and each extrusion strip is positioned at the middle position of each adjacent air vent.

Through adopting above-mentioned technical scheme, the operation process can flatten the extrusion to the straw through a plurality of extrusion strips on the cylinder that flattens to through the ventilative mouthful that sets up, can discharge vapor along ventilative mouthful in the drying process.

The invention is further configured to: every group the central point of chain drive dish puts fixed mounting with central connecting axle, the cylinder that flattens comprises a plurality of semi-arc boards, semi-arc board is the annular along the centre of a circle point of central connecting axle and distributes, just the outer wall central point that semi-arc board is close to central connecting axle puts fixed mounting with buffer spring, every fixed connection between buffer spring and the central connecting axle.

Through adopting above-mentioned technical scheme, the cylinder that flattens can meet the straw of different thickness at the in-process of extrusion straw, so can appear unfavorable use or even the dead problem of card, and the cylinder that flattens comprises a plurality of semi-arc boards, and semi-arc board is connected by buffer spring, so can cooperate the straw of using on different thickness.

The invention is further configured to: the inside evenly distributed that is of stoving box rotates installs the cooperation stick, it has the stirring ring to be evenly distributed fixed mounting on the excellent circumference outer wall of cooperation, just cooperation stick one end runs through stoving box and fixed mounting has the fourth reel, the cooperation stick is located every adjacent the intermediate position of the cylinder that flattens, and a plurality of mixing system is constituteed to the cooperation stick.

Through adopting above-mentioned technical scheme to a plurality of cooperation sticks are stirred the straw that flattens, and the straw that can flatten is turned over again and is spread out, improves dehydration drying effect.

The invention is further configured to: a first servo motor, a second servo motor and a third servo motor are respectively and fixedly installed on the upper surface of the drying box body, and belts are arranged between the first servo motor and the fourth roller shaft disc, between the second servo motor and the third roller shaft disc and between the third servo motor and the first roller shaft disc;

the outer surface that the stoving box is located the third roller dish is evenly distributed and rotates and install second roller dish, second roller dish is located every adjacent the intermediate position of third roller dish, just match between second roller dish and the belt.

Through adopting above-mentioned technical scheme, through the servo motor that corresponds, drive the structure that corresponds the position and rotate to through the second roller dish that sets up, guarantee that the rotation direction of every cylinder that flattens keeps unanimous.

The invention is further configured to: the heat circulating system comprises an exhaust fan and a heat collection recovery tank which are arranged on the upper surface of the drying box body, a fixed frame is fixedly arranged in the middle of the interior of the heat collection recovery tank, and a water absorption plate is arranged in the fixed frame;

the input of air exhauster communicates with stoving box and heat collection recovery case between the inside that is located the water absorption plate downside, heat collection recovery case upper surface central point puts fixed mounting with return line, communicate between return line terminal and the stoving box.

By adopting the technical scheme, in the dehydration and drying process, the generated steam enters the heat collection recovery box along the exhaust fan, the water vapor in the heat collection recovery box is absorbed by the water absorption plate, and the air containing heat enters the drying box body again, so that the heat circulation effect is realized.

In conclusion, the invention has the following beneficial effects:

1. the straw is dehydrated and dried by heat generated by the electric heating tube in the integral device, and compared with the traditional straw recycling and treating mode, the straw drying and drying device is not influenced by external environmental factors such as temperature, illumination and the like, and saves manpower;

2. in the dehydration and drying process, the flattening rollers are also used for extruding and dehydrating the straws, and the flattened straws are spread by a plurality of matching rods, so that the dehydration and drying efficiency of the straws can be greatly improved;

3. in the process of putting fresh straws, a screening baffle is arranged, and gravel in the straws can be filtered through the through holes on the screening baffle;

4. in the whole dehydration drying process, through the air exhauster and the heat collection box that set up, realize the circulation flow to the inside air of stoving box to adsorb the vapor in the air in the water absorption plate, when guaranteeing heat cycle, can not cause the problem that vapor enters into the stoving box once more.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cut-away view of a drying box component of the present invention;

FIG. 3 is a schematic diagram of the structure of the conveyor system of the present invention;

FIG. 4 is a cut-away view of the pallet component of the present invention;

FIG. 5 is a cut-away view of the feed system of the present invention;

FIG. 6 is a schematic structural view of the stirring system of the present invention;

FIG. 7 is a schematic diagram of the heat cycle system of the present invention;

FIG. 8 is a schematic structural view of a platen roller assembly of the present invention;

FIG. 9 is an exploded view of the platen roller assembly of the present invention.

In the figure: 1. a support platform; 2. drying the box body; 3. a return line; 4. a heat collection recovery tank; 5. a first servo motor; 6. a second servo motor; 7. a third servo motor; 8. an exhaust fan; 9. a feed hood; 10. a slag outlet; 1101. a first reel disc; 1102. a second roller disc; 1103. a third roller disc; 1104. a fourth reel; 12. a belt; 13. a chain belt; 14. an aluminum alloy metal plate; 15. a chain drive plate; 16. flattening the roller; 1601. a ventilation opening; 1602. extruding the strip; 1603. a semi-arc plate; 1604. a central connecting shaft; 1605. a buffer spring; 17. a chain transmission groove; 18. a discharge port; 19. an electric hot plate; 20. an electric heating tube; 21. hooking; 22. a feed drum; 23. screening a baffle plate; 24. a stirring ring; 25. a mating rod; 26. a fixed frame; 27. a water absorption plate.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to fig. 1 to 9 and embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b): referring to fig. 1, 2 and 3, a crop straw rapid dehydration and drying processing device comprises a supporting platform 1 and a drying box body 2, wherein the supporting platform 1 is arranged in a mirror symmetry mode, the drying box body 2 is fixedly installed on the supporting platform 1, a feeding system is arranged at one end of the upper surface of the drying box body 2, and a conveying system, a stirring system and a heat circulating system are arranged inside the drying box body 2;

the conveying system consists of a clip-shaped aluminum alloy metal plate 14 and chain belts 13 arranged at two ends of the aluminum alloy metal plate 14, chain transmission grooves 17 matched with the chain belts 13 are formed in the inner walls, close to each other, of the supporting platforms 1, pressing rollers 16 tangent to the aluminum alloy metal plate 14 are uniformly arranged at the upper end of the aluminum alloy metal plate 14, and chain transmission discs 15 matched with the chain belts 13 are fixedly arranged at two ends of the pressing rollers 16 in a symmetrical distribution manner;

the center point of the chain transmission disc 15 at one end is fixedly provided with a third roller disc 1103 which is rotatably connected with the drying box body 2, the chain transmission disc 15 at the other end is rotatably connected with the drying box body 2, and the third roller disc 1103 is positioned outside the drying box body 2;

an electric heating plate 19 is fixedly arranged at the middle position of the two supporting platforms 1 close to each other, the upper surface of the electric heating plate 19 and the inner wall of the upper end of the aluminum alloy metal plate 14 are positioned on the same horizontal plane, and an electric heating pipe 20 is fixedly arranged in the electric heating plate 19.

As shown in fig. 4 and 5, the feeding system comprises a feeding cover 9 mounted on the upper surface of the drying box 2 and a feeding rotary drum 22 arranged inside the feeding cover 9, hooks 21 are uniformly distributed and fixedly mounted on the circumferential outer wall of the feeding rotary drum 22, and rotate between feeding rotary drum 22 one end and the feeding cover 9 is inside to be connected, and feeding rotary drum 22 other end fixed mounting has first roller dish 1101, rotate between first roller dish 1101 and the feeding cover 9 and be connected, fixed mounting has screening baffle 23 on the position that the feeding cover 9 is inside to be located the end, screening baffle 23 is the slant chevron shape, screening baffle 23 is close to and has seted up the through-hole on the feeding cover 9 end position, feeding cover 9 lower fixed surface installs slag notch 10, match between the position that sets up of slag notch 10 and the screening baffle 23 lower extreme, the one end fixed mounting that the feeding cover 9 was kept away from to cushion cap 1 has discharge gate 18, be tangent form between discharge gate 18 and the aluminum alloy metal sheet 14.

As shown in fig. 2, 3, 6, 8 and 9, each flattening roller 16 is provided with air vents 1601 in uniform distribution on the outer circumferential wall, and the flattening roller 16 is fixedly provided with extrusion strips 1602 in uniform distribution on the outer circumferential wall, each extrusion strip 1602 is located at the middle position of each adjacent air vent 1601, a central connecting shaft 1604 is fixedly provided at the central position of each chain transmission disc 15, the flattening roller 16 is composed of a plurality of semi-arc plates 1603, the semi-arc plates 1603 are distributed annularly along the central point of the central connecting shaft 1604, and the semi-arc plates 1603 are fixedly provided with buffer springs 1605 at the outer wall central position close to the central connecting shaft 1604, each buffer spring 1605 is fixedly connected with the central connecting shaft 1604, matching rods 25 are rotatably provided in uniform distribution inside the drying box 2, stirring rings 24 are fixedly provided in uniform distribution on the outer circumferential wall of the matching rods 25, and one end of the matching rods 25 penetrates through the drying box 2 and is fixedly provided with a fourth roller disc 1104, the matching rods 25 are positioned in the middle of each adjacent flattening roller 16, a plurality of matching rods 25 form a stirring system, a first servo motor 5, a second servo motor 6 and a third servo motor 7 are fixedly mounted on the upper surface of the drying box body 2 respectively, and belts 12 are arranged between the first servo motor 5 and the fourth roller disc 1104, between the second servo motor 6 and the third roller disc 1103 and between the third servo motor 7 and the first roller disc 1101;

the outer surface of the drying box body 2, which is located on the third roller disc 1103, is uniformly distributed with the second roller discs 1102 in a rotating manner, the second roller discs 1102 are located in the middle of each adjacent third roller disc 1103, and the second roller discs 1102 are matched with the belt 12.

As shown in fig. 1 and 7, the heat circulation system includes an exhaust fan 8 installed on the upper surface of the drying box 2 and a heat collection and recovery box 4, a fixed frame 26 is fixedly installed at the middle position inside the heat collection and recovery box 4, and a water absorption plate 27 is arranged inside the fixed frame 26;

the input of air exhauster 8 communicates with stoving box 2 and the inside that heat collection recovery case 4 is located the suction plate 27 downside between, and heat collection recovery case 4 upper surface central point puts fixed mounting with backflow pipeline 3, communicates between 3 ends of backflow pipeline and the stoving box 2.

The working principle is as follows: in the using process, the first servo motor 5, the second servo motor 6, the third servo motor 7, the electric heating tube 20 and the exhaust fan 8 are started simultaneously, and fresh straws are continuously put into the feeding cover 9;

firstly, under the condition that the straws are positioned in the feeding cover 9, the straws are blocked by the screening baffle 23, impurities such as gravel in the straws are discharged along the slag outlet 10, then under the rotating action of the feeding rotary drum 22, each hook 21 hooks the straws, and the straws are put on the aluminum alloy metal plate 14;

under the action of the second servo motor 6, the aluminum alloy metal plate 14 is driven to continuously rotate through the chain transmission disc 15 and the chain belt 13, the straws are gradually moved to the position of the flattening roller 16, the straws are dehydrated and dried under the action of the electric heating tube 20, and when the straws are moved to the position of the flattening roller 16, the straws are extruded through the arranged extrusion strips 1601, so that moisture is quickly separated from the straws, the dehydration and drying effects are improved, and the generated water vapor is discharged along the ventilation openings 1602 on the flattening roller 16;

then, after being extruded by the flattening roller 16, a part of straws are separated from the flattening roller 16, the matching rod 25 is driven to rotate, the flattened straws are spread by the stirring ring 24 until entering the next flattening roller 16 again, and the dehydration and drying are continuously carried out in this order until the dried straws are discharged along the discharge port 18;

finally, in the whole dehydration and drying process, the air in the drying box body 2 is pumped out along the exhaust fan 8 and enters the heat collection and recovery box 4, the air passes through the water absorption plate 27, the water vapor in the air is absorbed by the water absorption plate 27, and the treated air enters the drying box body 2 again along the return pipeline 3, so that the heat circulation is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.