Drying treatment device for fiber raw materials for hair

Abstract

The utility model discloses a hair fiber raw material drying processing device which comprises a processing barrel, a feeding port and exhaust ports located in the left side and the right side of the feeding port are formed in the top of the processing barrel, and an upper-layer roller drying device, a middle-layer roller drying device and a lower-layer roller drying device are sequentially arranged in the processing barrel from top to bottom. The bottom of the processing cylinder is a big-end-up conical cylinder, a discharging pipe is arranged at the lower end of the conical cylinder, and a discharging valve is arranged on the discharging pipe. The device is scientific in principle, compact in structure and small in occupied space, agglomerated raw materials are treated in a mechanical rotating friction mode, agglomerates are gradually dispersed from large to small, the raw materials are heated and dried during dispersion treatment, the dispersion treatment and drying effects are good, the labor intensity of workers is greatly relieved, the working efficiency is improved, and the production cost is reduced. And treatment in a closed environment is free of dust pollution and is cleaner and more sanitary.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hair use fiber production technical field, concretely relates to a kind of hair use fiber raw material drying treatment device. BACKGROUND

[0002] At present, hair use fiber raw material mainly includes polyester fiber, nylon fiber and propylene fiber. After being crushed into powder or granular, hair use fiber raw material is stored, and after being stored for a period of time, humidity increases due to absorbing moisture in the air, and caking phenomenon also occurs, so raw material needs to be dried and caked before production operation. Since wig production industry is labor-intensive industry, currently, raw material drying and crushing treatment is usually manually operated, and the specific process is as follows: clean lining cloth or canvas is laid on workshop floor, caked raw material is spread on the lining cloth or canvas, and raw material is broken and scattered by using shovel to hit caked raw material, dust is raised in the process of hitting, environment is polluted, and workshop environment is relatively dry, so drying treatment purpose is basically achieved after airing for 2-3 days. The above treatment method has large labor intensity, and treatment is not thorough, so caking still exists, moisture in caking is difficult to volatilize, manual treatment efficiency is low, and workshop is temporarily occupied, which affects other production operations when caking is dispersed. CONTENT OF UTILITY MODEL

[0003] In order to solve the above technical problems in the prior art, the utility model provides a kind of hair use fiber raw material drying treatment device with small labor intensity, high processing efficiency, good dispersion and crushing effect and little pollution.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a hair use fiber raw material drying treatment device includes a treatment cylinder, the top of the treatment cylinder is provided with a feeding port and exhaust ports on the left and right sides of the feeding port, the inside of the treatment cylinder is sequentially provided with an upper layer of roller drying device, a middle layer of roller drying device and a lower layer of roller drying device from top to bottom, the bottom of the treatment cylinder is a tapered cylinder with large top and small bottom, the lower end of the tapered cylinder is provided with a discharge pipe, and the discharge pipe is provided with a discharge valve.

[0005] The upper layer of roller drying device includes two upper roller cylinders arranged at intervals left and right, the length direction of each upper roller cylinder is arranged along the front and back direction, the first gap is between the two upper roller cylinders, the left side of the leftmost upper roller cylinder and the left side wall of the treatment cylinder have a left upper gap, the right side of the rightmost upper roller cylinder and the right side wall of the treatment cylinder have a right upper gap, the width dimensions of the first gap, the left upper gap and the right upper gap are equal, the center of the upper roller cylinder is coaxially provided with an upper roller shaft, the outer circle of the upper roller shaft and the inner circle of the upper roller cylinder are connected by a plurality of upper radial rods, each upper radial rod is arranged along the radial direction of the upper roller cylinder, and the outer part of the front and back side walls of the treatment cylinder is provided with an upper bearing seat rotatably connected with the front and back ends of the upper roller shaft.

[0006] The upper roller shaft is made of steel pipe, and an upper air rotating joint is arranged at the front end and the rear end of the upper roller shaft.

[0007] The middle layer rotary roller drying device comprises three middle rollers which are uniformly and evenly arranged left and right, the length direction of each middle roller is arranged along the front and rear direction, and the second gap is arranged between the adjacent two middle rollers.

[0008] The middle roller shaft is made of steel pipe, and a middle air rotating joint is arranged at the front end and the rear end of the middle roller shaft.

[0009] The lower layer rotary roller drying device comprises four lower rollers which are uniformly and evenly arranged left and right, the length direction of each lower roller is arranged along the front and rear direction, and the third gap is arranged between the adjacent two lower rollers.

[0010] The lower roller shaft is made of steel pipe, and a lower air rotating joint is arranged at the front end and the rear end of the lower roller shaft.

[0011] The outer circumferential surfaces of the upper roller, the middle roller and the lower roller are fixedly provided with a plurality of protrusions, and the outer circumferential surfaces of the upper roller, the middle roller and the lower roller, the surfaces of the protrusions and the inner wall of the treatment cylinder are sprayed with wear-resistant coating.

[0012] All the front ends of the upper roller shafts are provided with upper transmission sprockets, all the front ends of the middle roller shafts are provided with middle transmission sprockets, and all the front ends of the lower roller shafts are provided with a lower transmission sprocket.

[0013] The front end of the lower roller shaft on the rightmost side is provided with a hot air inlet, the rear end of the upper roller shaft on the leftmost side is provided with an air outlet after heat exchange, and the lower air passage rotary joints are connected through a heat preservation pipe.

[0014] The bottom of the treatment cylinder is provided with a column support leg, and the feeding port is connected with a conical feeding hopper with a large upper part and a small lower part.

[0015] Compared with the prior art, the upper layer roller drying device, the middle layer roller drying device and the lower layer roller drying device have the following beneficial effects:

[0016] (1) The upper layer roller drying device includes two upper rollers, the middle layer roller drying device includes three middle rollers, and the lower layer roller drying device includes four lower rollers, and the cross section of the roller is arranged in a pyramid shape with a narrow upper part and a wide lower part.

[0017] (2) The hot air enters the roller through the air holes on one side of the roller shaft, heats the roller, and then is discharged through the air holes on the other side, realizing the flow of hot air, which is simple in structure and easy to realize. Since the roller shaft is actively rotated during operation, air rotating joints (prior art, available on the market) are arranged at the front and rear ends of the roller shaft. The rotating end of the air rotating joint is installed on the roller shaft, and the non-rotating end of the air rotating joint is connected with the heat preservation pipe and the air supply pipe. The heat preservation pipe is wrapped with heat preservation cotton outside the high-temperature resistant pipe. At the same time, heat preservation cotton is also arranged outside the processing cylinder to reduce heat loss and improve drying effect and efficiency.

[0018] (3) Wear-resistant coating is arranged at the part in contact with the raw material. The wear-resistant coating is formed by spraying ceramic, alloy, oxide, fluoroplastic or the like on the surface of the metal by plasma spraying, arc spraying or flame spraying. The wear-resistant coating has the functions of wear resistance and long service life.

[0019] (4) The driving sprocket, all the upper transmission sprockets, all the middle transmission sprockets and all the lower transmission sprockets are driven by the same closed loop chain, only one motor reducer is used as power, and each sprocket has a large wrap angle, so that the transmission torque effect is good, thereby ensuring that each roller is actively rotated and improving the dispersion and crushing effect.

[0020] (5) The widths of the first gap, the second gap and the third gap decrease in turn, so that the frictional forces of the upper roller, the middle roller and the lower roller on the raw material are kept balanced, and finally the clumps are completely dispersed. In addition, heat is also generated during the friction between the roller and the raw material, which has a certain drying effect.

[0021] In summary, the utility model has the advantages of scientific principle, compact structure, small space occupation, mechanical rotation and friction for processing clumped raw materials, gradual dispersion of clumps from large to small, heating and drying of raw materials during dispersion processing, good dispersion processing and drying effect, greatly reduced labor intensity, improved work efficiency, no dust pollution in a closed environment, and better cleanliness. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 is the overall structure schematic view of the utility model;

[0023] Fig. 2 is the front side structure schematic view of the upper layer rotating roller drying device, the middle layer rotating roller drying device and the lower layer rotating roller drying device;

[0024] Fig. 3 is the schematic view of the connection of the upper roller, the middle roller and the lower roller through the chain transmission. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in detail below with reference to the drawings and examples.

[0026] As Figs. 1-3 shown, the hair fiber raw material drying treatment device of the present application comprises a treatment cylinder 1, the top of the treatment cylinder 1 is provided with a feeding port 2 and exhaust ports 3 located on the left and right sides of the feeding port 2, the inside of the treatment cylinder 1 is sequentially provided with an upper layer of roller drying device, a middle layer of roller drying device and a lower layer of roller drying device from top to bottom, the bottom of the treatment cylinder 1 is a tapered cylinder 4 with a large upper part and a small lower part, the lower end of the tapered cylinder 4 is provided with a discharging pipe 5, and the discharging pipe 5 is provided with a discharging valve 6.

[0027] The upper layer of roller drying device comprises two upper roller cylinders 7 arranged at intervals left and right, the length direction of each upper roller cylinder 7 is arranged along the front and back direction, and the two upper roller cylinders 7 have a first gap 8 therebetween, the left side of the leftmost upper roller cylinder 7 and the left side wall of the treatment cylinder 1 have a left upper gap 9 therebetween, the right side of the rightmost upper roller cylinder 7 and the right side wall of the treatment cylinder 1 have a right upper gap 10 therebetween, the width dimensions of the first gap 8, the left upper gap 9 and the right upper gap 10 are equal, the center of the upper roller cylinder 7 is coaxially provided with an upper roller shaft 11, the outer circle of the upper roller shaft 11 and the inner circle of the upper roller cylinder 7 are connected through a plurality of upper radial rods 12, each upper radial rod 12 is arranged along the radial direction of the upper roller cylinder 7, and the outer part of the front and back side walls of the treatment cylinder 1 is provided with an upper bearing seat 13 rotatably connected with the front and back ends of the upper roller shaft 11.

[0028] The upper roller shaft 11 is made of steel pipe, and the front and back ends of the upper roller shaft 11 are each provided with an upper air rotating joint 14, the front side part and the rear side part of the center hole of the upper roller shaft 11 are respectively fixedly provided with a front upper baffle plate 15 and a rear upper baffle plate 16, and the upper roller shaft 11 is provided with an upper air permeable hole 17 located on the front side of the front upper baffle plate 15 and on the rear side of the rear upper baffle plate 16, and the internal cavity of the upper roller cylinder 7 and the center hole of the upper roller shaft 11 are communicated through the upper air permeable hole 17.

[0029] The middle layer of roller drying device comprises three middle roller cylinders 18 arranged at intervals left and right, the length direction of each middle roller cylinder 18 is arranged along the front and back direction, and the two adjacent middle roller cylinders 18 have a second gap 19 therebetween, the left side of the leftmost middle roller cylinder 18 and the left side wall of the treatment cylinder 1 have a left middle gap 20 therebetween, the right side of the rightmost middle roller cylinder 18 and the right side wall of the treatment cylinder 1 have a right middle gap 21 therebetween, the width dimensions of the second gap 19, the left middle gap 20 and the right middle gap 21 are equal, the center of the middle roller cylinder 18 is coaxially provided with a middle roller shaft 22, the outer circle of the middle roller shaft 22 and the inner circle of the middle roller cylinder 18 are connected through a plurality of middle radial rods 23, each middle radial rod 23 is arranged along the radial direction of the upper roller cylinder 7, and the outer part of the front and back side walls of the treatment cylinder 1 is provided with a middle bearing seat 24 rotatably connected with the front and back ends of the middle roller shaft 22.

[0030] The middle roller shaft 22 is made of steel pipe, and a middle air rotating joint 25 is arranged at the front and rear ends of the middle roller shaft 22. A front middle baffle plate 26 and a rear middle baffle plate 27 are respectively arranged in the front side and the rear side of the central hole of the middle roller shaft 22. A middle air hole 28 is arranged on the middle roller shaft 22, which is located in front of the front middle baffle plate 26 and behind the rear middle baffle plate 27. The internal cavity of the middle roller cylinder 18 and the central hole of the middle roller shaft 22 are communicated through the middle air hole 28. Two second gaps 19 are respectively corresponding to the upper and lower two upper roller shafts 11.

[0031] The lower layer rotating roller drying device includes four lower roller cylinders 29 which are uniformly and evenly arranged. The length direction of each lower roller cylinder 29 is arranged in the front-rear direction. The third gap 30 is arranged between the adjacent two lower roller cylinders 29. The left side of the leftmost lower roller cylinder 29 and the left side wall of the processing cylinder 1 form a left lower gap 31. The right side of the rightmost lower roller cylinder 29 and the right side wall of the processing cylinder 1 form a right lower gap 32. The width of the third gap 30, the left lower gap 31 and the right lower gap 32 is equal. The lower roller shaft 33 is coaxially arranged in the center of the lower roller cylinder 29. The outer circle of the lower roller shaft 33 and the inner circle of the lower roller cylinder 29 are connected through a plurality of lower radial rods 34. Each lower radial rod 34 is arranged in the radial direction of the upper roller cylinder 7. The outer part of the front and rear side walls of the processing cylinder 1 is provided with a lower bearing seat 35 which is rotationally connected with the front and rear ends of the lower roller shaft 33.

[0032] The lower roller shaft 33 is made of steel pipe, and a lower air rotating joint 36 is arranged at the front and rear ends of the lower roller shaft 33. A front lower baffle plate 37 and a rear lower baffle plate 38 are respectively arranged in the front side and the rear side of the central hole of the lower roller shaft 33. A lower air hole 39 is arranged on the lower roller shaft 33, which is located in front of the front lower baffle plate 37 and behind the rear lower baffle plate 38. The internal cavity of the lower roller cylinder 29 and the central hole of the lower roller shaft 33 are communicated through the lower air hole 39. The three third gaps 30 are respectively corresponding to the upper and lower three upper roller shafts 11. The widths of the first gap 8, the second gap 19 and the third gap 30 are gradually reduced.

[0033] The outer surface of the upper roller cylinder 7, the outer surface of the middle roller cylinder 18 and the outer surface of the lower roller cylinder 29 are respectively provided with a plurality of protrusions 40. The outer surface of the upper roller cylinder 7, the outer surface of the middle roller cylinder 18, the outer surface of the lower roller cylinder 29, the surface of the protrusion 40 and the inner wall of the processing cylinder 1 are sprayed with wear-resistant coating.

[0034] The front end of each upper roller shaft 11 is provided with an upper driving sprocket 41. The front end of each middle roller shaft 22 is provided with a middle driving sprocket 42. The front end of each lower roller shaft 33 is provided with a lower driving sprocket 43. The outer part of the front side wall of the processing cylinder 1 below the lower roller shaft 33 is provided with a motor reducer 44. The output shaft of the motor reducer 44 is provided with a driving sprocket 45. The driving sprocket 45, all the upper driving sprockets 41, all the middle driving sprockets 42 and all the lower driving sprockets 43 are drivingly connected through a closed loop chain 46.

[0035] The rightmost lower roller shaft 33 front end port is a hot air inlet, the leftmost upper roller shaft 11 rear end port is an air outlet after heat exchange, the lower air rotation joints 36 between the rightmost lower roller shaft 33 rear end and the rear end of the adjacent lower roller shaft 33, the two lower air rotation joints 36 between the front ends of the middle two lower roller shafts 33, the lower air rotation joints 36 between the rear end of the leftmost lower roller shaft 33 and the rear end of the adjacent lower roller shaft 33, the lower air rotation joint 36 of the leftmost lower roller shaft 33 front end and the middle air rotation joint 25 of the leftmost middle roller shaft 22 front end, the middle air rotation joint 25 of the leftmost middle roller shaft 22 rear end and the middle air rotation joint 25 of the middle middle roller shaft 22 rear end, the middle air rotation joint 25 of the middle middle roller shaft 22 front end and the middle air rotation joint 25 of the rightmost middle roller shaft 22 front end, the middle air rotation joint 25 of the rightmost middle roller shaft 22 rear end and the upper air rotation joint 14 of the right side upper roller shaft 11 rear end, the upper air rotation joint 14 of the right side upper roller shaft 11 front end and the upper air rotation joint 14 of the left side upper roller shaft 11 front end are all connected through a heat preservation pipe 47.

[0036] The bottom of the processing cylinder 1 is provided with a column leg 48, and the feeding port 2 is connected with an upper large lower small tapered feeding hopper 49.

[0037] The specific working process of the utility model is as follows: the caked raw material is poured into the processing cylinder 1 from the tapered feeding hopper 49, first falls on the two upper roller cylinders 7, all the upper roller cylinders 7, the middle roller cylinders 18 and the lower roller cylinders 29 are driven to rotate by the motor speed reducer 44 chain transmission mechanism, while the hot air enters from the rightmost lower roller shaft 33 front end port, in turn passes through the lower air hole 39 on the side of the lower roller shaft 33 and enters the lower roller cylinder 29, then is discharged from the lower air hole 39 on the other side, enters the next lower roller shaft 33 through the heat preservation pipe 47, the hot air passes through the middle air hole 28 on the middle roller shaft 22 in turn, enters the inside of the middle roller cylinder 18, passes through the upper air hole 17 on the upper roller shaft 11 and enters the inside of the upper roller cylinder 7, and the hot air heats all the lower roller cylinders 29, the middle roller cylinders 18 and the upper roller cylinders 7.

[0038] The lumps of raw materials are dispersed and broken by the protrusions 40 on the two upper rollers 7 through rolling friction, and the upper rollers 7 with high temperature heat the contacted raw materials, so that the moisture of the raw materials is evaporated into water vapor and discharged through the exhaust port 3 at the top of the processing tank. The exhaust port 3 is provided with a filter screen to prevent dust from spreading outside. The raw materials dispersed and broken by the two upper rollers 7 fall through the first gap 8 with large width, the left upper gap 9 and the right upper gap 10 to the three middle rollers 18 of the middle layer rotary roller drying device. The protrusions 40 on the middle rollers 18 continue to disperse the lumps of raw materials through friction, and the middle rollers 18 with high temperature heat the contacted raw materials, so that the moisture of the raw materials is evaporated into water vapor. The raw materials dispersed and broken by the three middle rollers 18 fall through the second gap 19 with moderate width, the left middle gap 20 and the right middle gap 21 to the four lower rollers 29 of the lower layer rotary roller drying device. The protrusions 40 on the lower rollers 29 continue to disperse the lumps of raw materials through friction, and the lower rollers 29 with higher temperature further heat the contacted raw materials, so that the moisture of the raw materials is fully evaporated into water vapor. Finally, the lumps of raw materials are fully dispersed through friction and fall through the third gap 30, the left lower gap 31 and the right lower gap 32 to the bottom of the processing tank 1 for temporary storage. When it is necessary to unload, the unloading valve 6 is opened, and the raw materials are unloaded through the unloading pipe 5.

[0039] The motor reducer 44, bearing seat, air rotating joint, unloading valve 6 and other components in the utility model are prior art, which can be purchased in the market, and the specific structure will not be repeated.

[0040] The above examples illustrate the basic principles and characteristics of the utility model, but the above only illustrates the relatively optimal embodiment of the utility model, and is not limited by the described embodiments. Those skilled in the art can make many forms of deformation and improvement under the inspiration of the patent without departing from the purpose of the utility model and the scope protected by the claims. These all belong to the protection scope of the utility model. Therefore, the utility model patent and the protection scope should be subject to the appended claims.

Claims

1. A drying and processing device for fiber raw materials, characterized in that: The processing cylinder is provided with an inlet and exhaust ports on both sides thereof, and is internally provided with upper, middle and lower layer roller drying devices from top to bottom.

2. The hair fiber raw material drying treatment apparatus according to claim 1, wherein: The upper layer roller drying device comprises two upper roller cylinders arranged at intervals, each of which is arranged in the front-rear direction, and has a first gap between the two upper roller cylinders, a left upper gap between the left side of the leftmost upper roller cylinder and the left side wall of the processing cylinder, and a right upper gap between the right side of the rightmost upper roller cylinder and the right side wall of the processing cylinder, wherein the widths of the first gap, the left upper gap and the right upper gap are equal, the upper roller cylinders are coaxially provided with upper roller shafts, the outer circle of the upper roller shafts is connected to the inner circle of the upper roller cylinders through a plurality of upper radial rods arranged in the radial direction of the upper roller cylinders, and the upper side walls of the processing cylinder are provided with upper bearing seats rotatably connected to the front-rear ends of the upper roller shafts. The upper roller shafts are made of steel pipes, each of which is provided with an upper air rotating joint at the front-rear end, and is fixedly provided with a front upper baffle and a rear upper baffle at the front side and the rear side of the central hole, respectively, and is provided with an upper air hole at the front side of the front upper baffle and at the rear side of the rear upper baffle, and the internal cavity of the upper roller cylinder is communicated with the central hole of the upper roller shaft through the upper air hole.

3. The drying treatment apparatus for hair fiber raw material according to claim 2, characterized in that: The middle layer roller drying device comprises three middle roller cylinders arranged at intervals, each of which is arranged in the front-rear direction, and has a second gap between the two adjacent middle roller cylinders, a left middle gap between the left side of the leftmost middle roller cylinder and the left side wall of the processing cylinder, and a right middle gap between the right side of the rightmost middle roller cylinder and the right side wall of the processing cylinder, wherein the widths of the second gap, the left middle gap and the right middle gap are equal, the middle roller cylinders are coaxially provided with middle roller shafts, the outer circle of the middle roller shafts is connected to the inner circle of the middle roller cylinders through a plurality of middle radial rods arranged in the radial direction of the upper roller cylinders, and the upper side walls of the processing cylinder are provided with middle bearing seats rotatably connected to the front-rear ends of the middle roller shafts. The middle roller shafts are made of steel pipes, each of which is provided with a middle air rotating joint at the front-rear end, and is fixedly provided with a front middle baffle and a rear middle baffle at the front side and the rear side of the central hole, respectively, and is provided with a middle air hole at the front side of the front middle baffle and at the rear side of the rear middle baffle, and the internal cavity of the middle roller cylinder is communicated with the central hole of the middle roller shaft through the middle air hole; and the two second gaps are respectively and one-to-one corresponded to the two upper roller shafts.

4. The hair fiber raw material drying treatment apparatus according to claim 3, wherein: The lower layer rotating roller drying device comprises four lower rollers which are evenly and horizontally arranged, the length direction of each lower roller is arranged along the front-rear direction, there is a third gap between two adjacent lower rollers, there is a left lower gap between the left side of the leftmost lower roller and the left side wall of the processing cylinder, and there is a right lower gap between the right side of the rightmost lower roller and the right side wall of the processing cylinder, the width of the third gap, the left lower gap and the right lower gap is equal, a lower roller shaft is coaxially arranged at the center of the lower roller, a plurality of lower radial rods are arranged between the outer circle of the lower roller shaft and the inner circle of the lower roller, the front-rear side walls of the processing cylinder are externally provided with lower bearing seats which are rotationally connected with the front-rear ends of the lower roller shaft. The lower roller shaft is made of steel pipe, the front-rear ends of the lower roller shaft are provided with a lower air rotating joint, the front-rear sides of the central hole of the lower roller shaft are respectively fixedly provided with a front lower baffle and a rear lower baffle, the lower roller shaft is provided with a lower air hole which is located at the front side of the front lower baffle and the rear side of the rear lower baffle, and the internal cavity of the lower roller is communicated with the central hole of the lower roller shaft through the lower air hole; the three third gaps are one-to-one corresponding to the three upper roller shafts; the widths of the first gap, the second gap and the third gap are gradually reduced.

5. The hair fiber raw material drying treatment apparatus according to claim 4, wherein: The outer circles of the upper roller, the middle roller and the lower roller are fixedly provided with a plurality of protrusions, and the outer circles of the upper roller, the middle roller and the lower roller, the surfaces of the protrusions and the inner wall of the processing cylinder are sprayed with wear-resistant coating.

6. The hair fiber raw material drying treatment apparatus according to claim 5, wherein: The front end of each upper roller shaft is provided with an upper transmission sprocket, the front end of each middle roller shaft is provided with a middle transmission sprocket, the front end of each lower roller shaft is provided with a lower transmission sprocket, the front side wall of the processing cylinder is provided below the lower roller shaft with a motor speed reducer, the output shaft of the motor speed reducer is provided with a driving sprocket, and the driving sprocket, all the upper transmission sprockets, all the middle transmission sprockets and all the lower transmission sprockets are transmissionally connected through a closed loop chain.

7. The hair fiber raw material drying treatment apparatus according to claim 6, wherein: The front end of the rightmost lower roller shaft is provided with a hot air inlet, the rear end of the leftmost upper roller shaft is provided with an air outlet after heat exchange, the lower air rotating joints between the rear end of the rightmost lower roller shaft and the rear end of the adjacent lower roller shaft, the two lower air rotating joints between the front end of the two middle lower roller shafts, the lower air rotating joints between the rear end of the leftmost lower roller shaft and the rear end of the adjacent lower roller shaft, the lower air rotating joint between the front end of the leftmost lower roller shaft and the middle air rotating joint of the front end of the leftmost middle roller shaft, the middle air rotating joints between the rear end of the leftmost middle roller shaft and the rear end of the middle middle roller shaft, the middle air rotating joint between the front end of the middle middle roller shaft and the middle air rotating joint of the front end of the rightmost middle roller shaft, the middle air rotating joint between the rear end of the rightmost middle roller shaft and the upper air rotating joint of the rear end of the right upper roller shaft, the upper air rotating joint between the front end of the right upper roller shaft and the upper air rotating joint of the front end of the left upper roller shaft are connected through a heat preservation pipe.

8. The hair fiber raw material drying treatment apparatus according to any one of claims 1 to 7, characterized by: The bottom of the processing cylinder is provided with a column support leg, and the feeding port is connected with a conical feeding hopper which is large at the top and small at the bottom.

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