Sterilization type oxygen absorbent drying device

Abstract

The invention relates to a sterilization type oxygen absorbent drying device, and relates to the technical field of oxygen absorbent production equipment, the sterilization type oxygen absorbent drying device comprises a rotary drum barrel, an oil bath circulation system, a vacuum generation system and a nitrogen supply system, an inner barrel is rotatably connected with an outer barrel, and the outer barrel is provided with a rotation driving assembly connected with the inner barrel; the rotation driving assembly can drive the inner cylinder to do rotary motion, a first discharging assembly is arranged on the inner cylinder, a second discharging assembly is arranged at the lowest position of the outer cylinder, the inner cylinder can rotate the first discharging assembly to the lowest position so that the first discharging assembly can be opposite to the second discharging assembly, and an opening and closing assembly is arranged on the second discharging assembly. The opening and closing assembly can control the first discharging assembly to communicate with the second discharging assembly so that materials can be discharged from the second discharging assembly. Through the combination of rotation and swing, composite motion is formed, and the contact uniformity of materials and the inner cylinder is improved, so that the time for the materials to reach an ideal degree is shortened, the energy consumption is reduced, and the production efficiency of the sterilizing oxygen absorbent is improved.

Description

Technical Field

[0001] The present application relates to the technical field of oxygen absorbent production equipment, and in particular to a sterilizing oxygen absorbent drying device. Background Art

[0002] Sterilization oxygen absorber is a composite product that combines oxygen absorption and sterilization functions. It is mainly used to prevent oxidation and deterioration and inhibit the growth of microorganisms, thereby extending the shelf life of products or maintaining sterility. It is widely used in the food industry, medicine and medical equipment, electronic products and precision instruments, agriculture and seed storage and other fields.

[0003] A sterile oxygen absorber is currently available: Component A (natural color particles): nylon (nylon MXD6), PET; Component B (purple particles): PET, catalyst (cobalt salt masterbatch); Component A and component B are dried separately and then mixed to form a sterilizing oxygen absorber. The existing drying of component A and component B adopts a rotary drum structure as shown in the figure. The rotary drum structure includes a heating fluid circulation system, a swing system and a rotary drum body. The rotary drum body is tilted on the frame. The swing system drives the rotary drum body to swing. The rotary drum body includes an inner cylinder and an outer cylinder that are fixedly connected. A drying chamber for accommodating materials is formed in the inner cylinder. A heating chamber for heating fluid flow is formed between the outer cylinder and the inner cylinder. The heating fluid circulation system drives the heating fluid to circulate. In the related art, it takes longer to achieve the ideal uniformity of the swing drying material, and the energy consumption is high, resulting in a reduced production efficiency of the sterilizing oxygen absorber. Summary of the invention

[0004] In order to solve the problem that single swing drying of materials requires a longer time to achieve ideal uniformity, consumes high energy, and leads to reduced production efficiency of sterile oxygen absorbers, the present application provides a sterile oxygen absorber drying device.

[0005] The present application provides a sterilizing oxygen absorbent drying device adopts the following technical solution: A sterilizing oxygen absorbent drying device comprises a rotary drum, an oil bath circulation system, a vacuum generating system and a nitrogen supply system, wherein the angle between the axis of the rotary drum and the horizontal plane is an acute angle, the rotary drum comprises an inner drum and an outer drum, the outer drum is rotatably connected to a frame, a drying chamber is formed in the inner drum, a heating chamber for medium oil to flow is formed between the outer drum and the inner drum, the oil bath circulation system is connected to the heating chamber to drive the medium oil to circulate, the vacuum generating system is connected to the drying chamber to form a vacuum environment, the nitrogen supply system is connected to the drying chamber to introduce nitrogen into the drying chamber, a swing driving assembly connected to the outer drum is provided on the frame, and the swing driving assembly can drive the rotary drum to do reciprocating swinging motion; The inner cylinder is rotatably connected to the outer cylinder, and the outer cylinder is provided with a rotation driving assembly connected to the inner cylinder, and the rotation driving assembly can drive the inner cylinder to perform rotational motion, and the inner cylinder is provided with a first discharging assembly, and the lowest point of the outer cylinder is provided with a second discharging assembly, and the inner cylinder can rotate the first discharging assembly to the lowest point so that the first discharging assembly is opposite to the second discharging assembly, and the second discharging assembly is provided with an opening and closing assembly, and the opening and closing assembly can control the first discharging assembly to be connected with the second discharging assembly so that the material is discharged from the second discharging assembly.

[0006] By adopting the above technical scheme, when drying the material (component A or component B), the material is added into the drying chamber, and then the drying chamber is evacuated through the vacuum generation system, the oil bath circulation system passes the high-temperature medium oil into the heating chamber to heat the material in the drying chamber, and the swing drive component drives the drum to swing to dry the material. During the swinging of the drum, the rotation drive component drives the inner cylinder to rotate to dry the material. After the material is dried, the vacuum generation system is turned off, and the nitrogen supply system fills nitrogen into the drying chamber so that the air pressure in the drying chamber is equal to the atmospheric pressure. Then the first discharge assembly is aligned with the second discharge assembly, and then the first discharge assembly is connected with the second discharge assembly through the opening and closing assembly. The dried material flows out of the second discharge assembly under the action of gravity, completing the unloading of the material. When drying the material, a composite motion is formed by the combination of rotation and swinging, which increases the uniformity of the contact between the material and the inner cylinder, thereby shortening the time for the material to reach the ideal level, reducing energy consumption, and improving the production efficiency of the sterilizing oxygen absorber.

[0007] Preferably, the rotation axis of the inner cylinder is colinear with the rotation axis, and both ends of the inner cylinder are rotatably connected to the outer cylinder via a rotating seat; The rotary drive assembly includes a driving motor, a driving gear and a driven gear, wherein the driven gear is coaxially fixed on the inner cylinder, the driving motor is fixed on the outer cylinder, and the driving gear is coaxially fixed on the output shaft of the driving motor and meshes with the driven gear.

[0008] By adopting the above technical solution, when the inner cylinder is rotated, the driving motor drives the inner cylinder to rotate through the meshing of the driving gear and the driven gear, thereby driving the inner cylinder to rotate, and utilizing the gear meshing transmission to improve the transmission accuracy and stability.

[0009] Preferably, the first discharging assembly includes a first discharging barrel and a first sealing plate. The first discharging barrel is fixedly arranged on the outer wall of the inner barrel and is connected to the drying chamber. The first sealing plate can be threadedly connected in the first discharging barrel and can be rotated in or out of the first discharging barrel to close or open the first discharging barrel.

[0010] By adopting the above technical solution, when the material is dried, the sealing plate blocks the first discharge barrel to prevent the outflow of the material, and the inner barrel drives the first discharge barrel to rotate; when the material is dried, the sealing plate is rotated out of the first discharge barrel, so that the first discharge barrel is opened and the material flows out of the inner barrel, making it more convenient to control the discharge of the material.

[0011] Preferably, a sealing gasket is provided on the side of the first sealing plate facing the drying chamber, and the side of the sealing gasket facing away from the first sealing plate is a spherical surface. A sealing ring is provided on the inner wall of the first discharge barrel, and the sealing ring is provided with a spherical surface fitting with the sealing gasket. The first sealing plate can squeeze the sealing gasket to fit with the sealing ring.

[0012] By adopting the above technical solution, when the sealing plate seals the first discharge barrel, the first sealing plate presses the sealing gasket against the sealing ring, and utilizes the spherical contact between the sealing gasket and the sealing ring to increase the sealing area and improve the sealing effect of the sealing plate on the first discharge barrel.

[0013] Preferably, the second discharging assembly includes a second discharging barrel, a second sealing plate and a guide installation mechanism. The second discharging barrel is slidably inserted into the outer barrel and can be opposite to the first discharging barrel. The guide installation mechanism is arranged on the outer barrel and connected to the second discharging barrel to drive the second discharging barrel to dock with the first discharging barrel. The second sealing plate is threadedly connected in the second discharging barrel to be able to seal the second discharging barrel.

[0014] By adopting the above technical solution, initially, the second sealing plate is located in the second discharge barrel to seal the second discharge barrel to prevent the medium oil from flowing out. When the material drying is completed and the first discharge barrel is aligned with the second discharge barrel, the guiding installation mechanism drives the second discharge barrel to dock with the first discharge barrel to prevent the medium oil from flowing out of the drum with the help of the material discharge, thereby effectively preventing the medium oil from contaminating the material.

[0015] Preferably, the opening and closing assembly includes a driving ring and a driving rod, the driving ring is slidably mounted on the second discharging barrel, the driving ring is fixedly provided with a driving seat located in the second discharging barrel, the cross-section of the driving rod is polygonal, the driving rod is fixedly arranged on the second sealing plate along the axial direction of the second discharging barrel, and is slidably inserted on the driving seat, so that the driving ring can drive the driving rod to rotate, a connecting column with a polygonal cross-section is provided on the second sealing plate, and a connecting groove for inserting the connecting column is provided on the first sealing plate, the connecting groove is adapted to the connecting column, so that the second sealing plate can drive the first sealing plate to rotate, and the driving rod can drive the first sealing plate and the second sealing plate to rotate in or out of the second discharging barrel to close or open the second discharging barrel.

[0016] By adopting the above technical solution, when the first discharging barrel and the second discharging barrel are docked, the connecting column is inserted into the connecting groove, and then the driving ring is rotated. The driving ring drives the second sealing plate and the first sealing plate to rotate through the driving rod, and the first sealing plate moves down with the sealing plate. When the first sealing plate and the second sealing plate are moved out of the second discharging barrel, the second discharging barrel opens, and the material is discharged from the second discharging barrel under the action of gravity, thereby improving the convenience of simultaneous opening and closing control of the first discharging barrel and the second discharging barrel.

[0017] Preferably, the second discharge barrel includes a straight barrel portion and an expanded barrel portion, the straight barrel portion is inserted into the expanded barrel portion, the inner side wall of the straight barrel portion is provided with a thread threadedly connected to the second sealing plate, a blanking space is formed between the straight barrel portion and the expanded barrel portion, and the straight barrel portion is provided with a blanking port connected to the blanking space, so that the material can flow out along the blanking port and the blanking space.

[0018] By adopting the above technical solution, when the driving rod drives the first sealing plate and the second sealing plate to slide out of the second discharging barrel, the first sealing plate slides to the blanking port, so that the material above the first sealing plate slides into the blanking space through the blanking port, and then the material slides out of the blanking space to realize the discharging of the material, which can effectively prevent the second sealing plate from sliding out of the second discharging barrel and improve the stability of the second sealing plate's control over the opening and closing of the second discharging barrel.

[0019] Preferably, the inner diameter of the first discharging cylinder is smaller than the inner diameter of the second discharging cylinder, and smaller than the outer diameter of the first discharging cylinder.

[0020] By adopting the above technical solution and making the diameter of the second sealing plate larger than that of the first sealing plate, the threaded engagement between the first sealing plate and the second discharging barrel can be effectively avoided when the first sealing plate slides in the second discharging barrel, thereby improving the convenience of sliding the first sealing plate in the second discharging barrel.

[0021] Preferably, a first conical surface is provided on a side of the first discharging cylinder facing the second discharging cylinder, and a second conical surface matching the first conical surface is provided at an end of the second discharging cylinder.

[0022] By adopting the above technical solution, when the second discharging cylinder is docked with the first discharging cylinder, the contact area between the first discharging cylinder and the second discharging cylinder can be increased by utilizing the cooperation between the first conical surface and the second conical surface, thereby improving the sealing of the docking between the first discharging cylinder and the second discharging cylinder.

[0023] Preferably, the second sealing plate includes a connecting portion and a sealing portion, the connecting portion is threadedly connected to the second discharge barrel, and the sealing portion is provided with a third conical surface that fits with the first conical surface. When the first conical surface fits with the third conical surface, the end face of the sealing portion can fit with the end face of the first sealing plate.

[0024] By adopting the above technical solution, when the first discharging barrel is docked with the second discharging barrel, the first conical surface is in contact with the second conical surface, the first conical surface is in contact with the third conical surface, and the end face of the sealing part is in contact with the end face of the first sealing plate. The medium oil between the first sealing plate and the second sealing plate can be squeezed out, which can effectively avoid contamination of the medium oil to the material.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. When drying the material, a compound motion is formed by combining rotation and swinging, which increases the uniformity of contact between the material and the inner cylinder, thereby shortening the time for the material to reach the ideal level, reducing energy consumption, and improving the production efficiency of the sterilizing oxygen absorber; 2. When discharging the dried material, rotate the first discharging cylinder to the lowest position and align it with the second discharging cylinder, then drive the second discharging cylinder to dock with the first discharging cylinder, and then rotate the driving ring, which drives the first blocking plate and the second blocking plate to rotate and move downward. When the first blocking plate moves downward to the blanking port, the material enters the blanking space along the blanking port under the action of gravity and flows out, completing the material discharging. The material can be discharged from the lowest first discharging cylinder under the action of its own gravity, so that the material in the drying chamber can be discharged more thoroughly; 3. When the first discharge barrel is docked with the second discharge barrel, the first conical surface is in contact with the second conical surface, the first conical surface is in contact with the third conical surface, and the end face of the sealing part is in contact with the end face of the first sealing plate, so that the medium oil between the first sealing plate and the second sealing plate can be squeezed out, which can effectively avoid the contamination of the medium oil to the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a sterilizing oxygen absorbent drying device according to an embodiment of the present application.

[0027] Figure 2 It is a top view of the drying device.

[0028] Figure 3 is along Figure 1 Section view along line AA.

[0029] Figure 4 yes Figure 3 Enlarged view of part B in the middle.

[0030] Figure 5 yes Figure 1 Enlarged view of part C in the middle.

[0031] Figure 6 yes Figure 3 Enlarged view of part D in the middle.

[0032] Figure 7 It is a bottom view of the straight tube.

[0033] Explanation of reference numerals: 1. frame; 2. drum; 21. inner cylinder; 211. feed cylinder; 212. rotating seat; 213. sealing cover; 214. rotary joint; 215. rubber hose; 216. three-way solenoid valve joint; 22. outer cylinder; 23. rotating shaft; 24. drying chamber; 25. heating chamber; 26. rotating drive assembly; 261. driving motor; 262. driving gear; 263. driven gear; 3. oil bath circulation system; 31. circulation pipeline; 32. oil tank; 33. oil pump; 4. swing drive assembly; 5. first discharging assembly; 51. first discharging cylinder; 52. first blocking plate; 53. sealing Gasket; 54, sealing ring; 6, second discharging assembly; 61, second discharging barrel; 611, straight barrel portion; 612, expanded barrel portion; 613, blanking space; 62, second blocking plate; 63, guide installation mechanism; 631, fixed screw; 632, fixed nut; 64, fixed ring; 65, sealing bellows; 66, blanking port; 671, first conical surface; 672, second conical surface; 621, connecting portion; 622, sealing portion; 673, third conical surface; 7, opening and closing assembly; 71, driving ring; 72, driving rod; 73, cross support rod; 74, driving seat; 75, connecting column; 76, connecting groove. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-7 This application is described in further detail.

[0035] The embodiment of the present application discloses a sterilizing oxygen absorbent drying device.

[0036] The inventors of the present application discovered that when drying the material (component A or component B), the drum only shakes the material in the drying chamber 24 by reciprocating swing, and it is difficult to quickly break up the agglomeration and stratification. The material needs a longer time to reach the ideal uniformity, and the energy consumption is high, resulting in a decrease in the production efficiency of the sterilizing oxygen absorber. For this reason, the present application mainly adopts a design scheme that combines rotation and swinging to increase the uniformity of the contact between the material and the inner cylinder 21, shorten the time for the material to reach the ideal degree, reduce energy consumption, and improve the production efficiency of the sterilizing oxygen absorber.

[0037] Reference Figure 1 , Figure 2 and Figure 3 A sterilizing oxygen absorbent drying device includes a rotary drum 2, an oil bath circulation system 3, a vacuum generating system and a nitrogen supply system. The angle between the axis of the rotary drum 2 and the horizontal plane is an acute angle. The rotary drum 2 includes an inner drum 21 and an outer drum 22. The outer drum 22 is rotatably connected to the frame 1. A rotating shaft 23 is fixed on the outer drum 22. The two rotating shafts 23 are arranged opposite to each other. Each rotating shaft 23 is inserted into the frame 1 on the same side and is rotatably connected.

[0038] Reference Figure 2 , Figure 3 A drying chamber 24 is formed in the inner cylinder 21, and a heating chamber 25 for medium oil flow is formed between the outer cylinder 22 and the inner cylinder 21. The oil bath circulation system 3 in this embodiment includes a circulation pipe 31, an oil tank 32 and an oil pump 33. An oil path channel connected to the heating chamber 25 is opened at the center of each rotating shaft 23. Both ends of the circulation pipe 31 are connected to the oil path channel through a rotating joint. The oil tank 32 is connected in series to the circulation pipe 31. A certain amount of medium oil is stored in the oil tank 32, and the medium oil is heated by a built-in heater. The oil pump 33 is connected in series to the circulation pipe 31, and the medium oil pump 33 in the oil tank 32 is sent to the heating chamber 25. The circulation process of the medium oil: the oil pump 33 sends the heated medium oil pump 33 to the heating chamber 25, and the medium oil after heat exchange flows back to the oil tank from another oil path channel to complete the circulation of the medium oil.

[0039] Reference Figure 1 The frame 1 is provided with a swing driving assembly 4 for driving the drum 2 to swing. The swing driving assembly 4 includes a reciprocating swing motor. The reciprocating swing motor drives the rotating shaft 23 to swing back and forth through a belt transmission structure, thereby realizing the reciprocating swing motion of the drum 2.

[0040] Reference Figure 3 , Figure 4 The rotation axis of the inner cylinder 21 is collinear with the rotation axis of the outer cylinder 22. A feed cylinder 211 is provided at one end of the inner cylinder 21, and a rotating shaft is fixed at the other end. The axis of the rotating shaft and the feed cylinder 211 is collinear with the axis of the inner cylinder 21. The feed cylinder 211 is plugged into the outer cylinder 22 and is rotatably connected to the outer cylinder 22 through a bearing. A rotating seat 212 opposite to the rotating shaft is fixed on the inner side wall of the outer cylinder 22. The rotating shaft is inserted into the rotating seat 212 and is rotatably connected, so that the inner cylinder 21 and the outer cylinder 22 are rotatably arranged. A sealing cap 213 is provided on one end of the feed cylinder 211 that passes through the outer cylinder 22. The sealing cap 213 is threadedly connected to the feed cylinder 211 to achieve the blocking of the feed cylinder 211. The cover 213 is connected to a rotary joint 214, and a rubber hose 215 is connected to the rotary joint 214. One end of the rubber hose 215 is connected to the vacuum generation system and the nitrogen supply system respectively through a three-way solenoid valve joint 216. The rubber hose 215 is bent to adapt to the swing of the drum 2. The vacuum generation system forms a vacuum environment in the drying chamber 24 to prevent the material in the drying chamber 24 from being oxidized during drying. When the material is dried, the nitrogen supply system introduces nitrogen into the drying chamber 24, so that the pressure in the drying chamber 24 is equal to the atmospheric pressure, which is convenient for the discharge of the material.

[0041] Reference Figure 1 , Figure 5 The outer cylinder 22 is provided with a rotation driving assembly 26 connected to the inner cylinder 21. The rotation driving assembly 26 in this embodiment includes a driving motor 261, a driving gear 262 and a driven gear 263. The driven gear 263 is coaxially fixed on the inner cylinder 21, the driving motor 261 is fixed on the outer cylinder 22, and the driving gear 262 is coaxially fixed on the output shaft of the driving motor 261 and meshes with the driven gear 263.

[0042] Reference Figure 2 , Figure 3 A first discharging component 5 is provided on the inner cylinder 21, and a second discharging component 6 is provided at the lowest point of the outer cylinder 22. When the material is discharged, the inner cylinder 21 drives the first discharging component 5 to rotate to the lowest point, and the first discharging component 5 is opposite to the second discharging component 6. An opening and closing component 7 is provided on the second discharging component 6. The opening and closing component 7 controls the first discharging component 5 to be connected with the second discharging component 6, so that the material is discharged from the second discharging component 6.

[0043] When drying the material (component A or component B), the material is added to the drying chamber 24, and then the drying chamber 24 is evacuated through the vacuum generating system. The oil bath circulation system 3 passes the high-temperature medium oil into the heating chamber 25 to heat the material in the drying chamber 24. The reciprocating swing motor drives the drum 2 to swing back and forth through the belt transmission structure to dry the material. During the swinging of the drum 2, the driving motor 261 drives the inner cylinder 21 to rotate to dry the material. Through the combination of rotation and swinging, a composite motion is formed to increase the uniformity of the contact between the material and the inner cylinder 21, thereby shortening the time for the material to reach the ideal level, reducing energy consumption, and improving the production efficiency of the sterilizing oxygen absorber.

[0044] After the material is dried, the vacuum generating system is turned off, and the nitrogen supply system fills nitrogen into the drying chamber 24 so that the air pressure in the drying chamber 24 is equal to the atmospheric pressure. Then, the first discharging assembly 5 is aligned with the second discharging assembly 6, and then the first discharging assembly 5 is connected with the second discharging assembly 6 through the opening and closing assembly 7. The dried material flows out of the second discharging assembly 6 under the action of gravity, completing the unloading of the material.

[0045] Reference Figure 3 , Figure 6 In this embodiment, the first discharging assembly 5 includes a first discharging barrel 51 and a first blocking plate 52. The first discharging barrel 51 is fixedly arranged on the outer wall of the inner barrel 21 and communicated with the drying chamber 24. When the first discharging barrel 51 is at the lowest point, the first discharging barrel 51 is arranged along the vertical direction. The length of the first discharging barrel 51 is less than the length of the heating chamber 25 in this direction to ensure that the inner barrel 21 rotates in the outer barrel 22. The first blocking plate 52 is adapted to the first discharging barrel 51, and the first blocking plate 52 is inserted in the first discharging barrel 51 and is threadedly connected with the first blocking plate 52, so that the first blocking plate 52 blocks the opening of the first discharging barrel 51. Prevent medium oil from entering the inner barrel 21 and material from flowing out.

[0046] Reference Figure 3 , Figure 6 A sealing gasket 53 is fixedly arranged on the side of the first blocking plate 52 facing the drying chamber 24. The sealing gasket 53 is made of rubber. The side of the sealing gasket 53 facing away from the first blocking plate 52 is a spherical surface. A sealing ring 54 is fixedly arranged on the inner wall of the first discharging barrel 51. The sealing ring 54 is located on the side of the sealing gasket 53 facing away from the first blocking plate 52. The sealing ring 54 is provided with a spherical surface that fits with the sealing gasket 53. When the first blocking plate 52 blocks the first discharging barrel 51, the sealing gasket 53 is squeezed to fit with the sealing ring 54. By using the spherical contact between the sealing gasket 53 and the sealing ring 54, the sealing fitting area is increased, and the sealing effect of the first blocking plate 52 blocking the first discharging barrel 51 is improved.

[0047] Reference Figure 3 , Figure 6The second discharge assembly 6 includes a second discharge barrel 61, a second blocking plate 62 and a guide installation mechanism 63. The second discharge barrel 61 is slidably inserted into the outer barrel 22 along the vertical direction. When the material is discharged, the inner barrel 21 drives the first discharge barrel 51 to rotate to the lowest point. At this time, the first discharge barrel 51 is opposite to the second discharge barrel 61. The second discharge barrel 61 includes a straight barrel portion 611 and an expanded barrel portion 612. The inner diameter of the expanded barrel portion 612 is larger than the outer diameter of the straight barrel portion 611, so that a material drop space 613 is formed between the straight barrel portion 611 and the expanded barrel portion 612. The expanded tube portion 612 is slidably connected to the outer tube 22. A fixing ring 64 is fixedly provided on the portion of the expanded tube portion 612 located below the outer tube 22. A sealing bellows 65 is sleeved on the expanded tube portion 612. The sealing bellows 65 is located between the fixing ring 64 and the outer tube 22. One end of the sealing bellows 65 is sealed and fixedly connected to the outer tube 22, and the other end is sealed and fixedly connected to the fixing ring 64. The sealing bellows 65 adapts to the sliding of the expanded tube portion 612, so that the expanded tube portion 612 and the outer tube 22 can be sealed. A blanking port 66 is provided on the portion of the straight tube portion 611 located in the blanking space 613, and the blanking port 66 is arranged along the axial direction of the straight tube portion 611.

[0048] Reference Figure 6 , Figure 7 The guide installation mechanism 63 in this embodiment includes a fixed screw 631 and a fixed nut 632. There are two fixed screws 631, which are arranged on both sides of the expansion barrel portion 612. The fixed screw 631 is passed through the fixed ring 64 and is slidably connected with the fixed ring 64. The fixed nut 632 is screwed on the fixed screw 631 and is located on the side of the fixed ring 64 away from the outer barrel 22. When the first discharge barrel 51 is aligned with the second discharge barrel 61, the second discharge barrel 61 is driven to dock with the first discharge barrel 51, and then the fixing nut 632 is screwed to fix the second discharge barrel 61, thereby improving the firmness of the docking between the second discharge barrel 61 and the first discharge barrel 51.

[0049] Reference Figure 6 , Figure 7 The inner diameter of the straight tube 611 is larger than the inner diameter of the first discharge tube 51 and smaller than the outer diameter of the first discharge tube 51. The first discharge tube 51 is provided with a first tapered surface 671 at one end facing the second discharge tube 61, and the straight tube 61 is provided with a second tapered surface 672 at one end facing the first discharge tube 51. When the first discharge tube 51 and the second discharge tube 61 are docked, the second tapered surface 672 abuts against and fits the first tapered surface 671. By using the cooperation of the first tapered surface 671 and the second tapered surface 672, the contact area between the first discharge tube 51 and the second discharge tube 61 can be increased, and the sealing performance of the docking between the first discharge tube 51 and the second discharge tube 61 can be improved.

[0050] Reference Figure 6 , Figure 7The second blocking plate 62 is located in the hole of the straight tube part 611. The second blocking plate 62 includes a connecting part 621 and a sealing part 622. The sealing part 622 is located above the connecting part 621. The connecting part 621 is threadedly connected to the straight tube part 611. The thread on the connecting part 621 has the same parameters as the thread on the first blocking plate 52 to ensure that the two can rotate at the same time. The top wall surface of the sealing part 622 is a plane that fits with the first blocking plate 52, and the edge of the sealing part 622 is a third tapered surface 673 that fits with the first tapered surface 671. When the first discharge barrel 51 and the second discharge barrel 61 are docked, the first conical surface 671 and the second conical surface 672 are in contact with each other, while the first conical surface 671 and the third conical surface 673 are in contact with each other, and the end surface of the sealing portion 622 is in contact with the end surface of the first sealing plate 52, so as to squeeze out the medium oil between the first sealing plate 52 and the second sealing plate 62, thereby effectively avoiding the contamination of the medium oil to the material.

[0051] Reference Figure 6 , Figure 7 The opening and closing assembly 7 in this embodiment includes a driving ring 71 and a driving rod 72. The bottom end of the expansion barrel 612 extends laterally to form a folded edge. The middle part of the driving ring 71 is bent to form a groove that matches the folded edge, so as to realize the rotation connection between the driving ring 71 and the expansion barrel 612. A cross support rod 73 is provided on the inner side wall of the driving ring 71. The center of the cross support rod 73 is colinear with the rotation axis of the expansion barrel 612. A driving seat 74 is fixedly provided on the center of the cross support rod 73. The cross section of the driving rod 72 is rectangular. One end of the driving rod 72 is fixedly arranged on the second sealing plate 62 along the axial direction of the second discharging barrel 61, and the other end is slidably inserted into the driving seat 74, so that the driving ring 71 drives the driving rod 72 to rotate. A connecting column 75 with a rectangular cross section is provided on the top wall of the sealing portion 622 , and a connecting groove 76 for inserting the connecting column 75 is provided on the first sealing plate 52 . The connecting groove 76 is adapted to the connecting column 75 , so that the second sealing plate 62 drives the first sealing plate 52 to rotate.

[0052] When the first discharging barrel 51 and the second discharging barrel 61 are docked, the second discharging barrel 61 is driven to move upward so that the second conical surface 672 is fitted with the first conical surface 671. At this time, the connecting column 75 is inserted into the connecting groove 76, and then the driving ring 71 is rotated. The driving ring 71 drives the second sealing plate 62 and the first sealing plate 52 to rotate through the driving rod 72. The first sealing plate 52 moves downward with the second sealing plate 62. When the second sealing plate 62 moves to the blanking port 66 position, the second discharging barrel 61 is opened, and the material moves along the blanking port 66 to the blanking space 613 under the action of gravity, and is discharged from the blanking space 613, thereby improving the convenience of opening both the first discharging barrel 51 and the second discharging barrel 61.

[0053] By making the diameter of the second sealing plate 62 larger than the diameter of the first sealing plate 52 , the threaded engagement between the first sealing plate 52 and the second discharging barrel 61 can be effectively avoided when the first sealing plate 52 slides in the second discharging barrel 61 , thereby improving the convenience of the first sealing plate 52 sliding in the second discharging barrel 61 .

[0054] The implementation principle of a sterilizing oxygen absorbent drying device in the embodiment of the present application is as follows: when drying the material (component A or component B), the material is added into the drying chamber 24, and then the drying chamber 24 is evacuated through the vacuum generating system, and the oil bath circulation system 3 passes the high-temperature medium oil into the heating chamber 25 to heat the material in the drying chamber 24, and the reciprocating swing motor drives the drum 2 to swing back and forth through the belt transmission structure to dry the material. During the swinging of the drum 2, the driving motor 261 drives the inner cylinder 21 to rotate to dry the material. Through the combination of rotation and swinging, a composite motion is formed to increase the uniformity of the contact between the material and the inner cylinder 21, thereby shortening the time for the material to reach the ideal level, reducing energy consumption, and improving the production efficiency of the sterilizing oxygen absorbent.

[0055] After the material is dried, the vacuum generating system is turned off, and the nitrogen supply system fills nitrogen into the drying chamber 24 so that the air pressure in the drying chamber 24 is equal to the atmospheric pressure, and the first discharging cylinder 51 is aligned with the second discharging cylinder 61, and then the first discharging assembly 5 is aligned with the second discharging assembly 6, and the second discharging cylinder 61 is driven to move upward so that the second conical surface 672 is in contact with the first conical surface 671. At this time, the connecting column 75 is inserted into the connecting groove 76, and then the driving ring 71 is rotated. The driving ring 71 drives the second sealing plate 62 and the first sealing plate 52 to rotate through the driving rod 72, and the first sealing plate 52 moves downward with the second sealing plate 62. When the second sealing plate 62 moves to the position of the blanking port 66, the second discharging cylinder 61 is opened, and the material moves along the blanking port 66 to the blanking space 613 under the action of gravity, and is discharged from the blanking space 613 to complete the unloading of the material.

[0056] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sterilizing oxygen absorbent drying device, characterized in that: The invention comprises a rotary drum (2), an oil bath circulation system (3), a vacuum generating system and a nitrogen supply system. The angle between the axis of the rotary drum (2) and the horizontal plane is an acute angle. The rotary drum (2) comprises an inner drum (21) and an outer drum (22). The outer drum (22) is rotatably connected to a frame (1). A drying chamber (24) is formed in the inner drum (21). A heating chamber (25) for medium oil flow is formed between the outer drum (22) and the inner drum (21). The oil bath circulation system The system (3) is connected to the heating chamber (25) so as to drive the medium oil to circulate, the vacuum generating system is connected to the drying chamber (24) so ​​as to form a vacuum environment, the nitrogen supply system is connected to the drying chamber (24) so ​​as to be able to introduce nitrogen into the drying chamber (24), and the frame (1) is provided with a swing driving component (4) connected to the outer cylinder (22), and the swing driving component (4) is able to drive the rotating drum (2) to perform reciprocating swinging motion; The inner cylinder (21) is rotatably connected to the outer cylinder (22); a rotation driving assembly (26) connected to the inner cylinder (21) is provided on the outer cylinder (22); the rotation driving assembly (26) can drive the inner cylinder (21) to perform a rotational motion; a first discharge assembly (5) is provided on the inner cylinder (21); a second discharge assembly (6) is provided at the lowest point of the outer cylinder (22); the inner cylinder (21) can rotate the first discharge assembly (5) to the lowest point so that the first discharge assembly (5) and the second discharge assembly (6) are opposite to each other; an opening and closing assembly (7) is provided on the second discharge assembly (6); the opening and closing assembly (7) can control the first discharge assembly (5) to communicate with the second discharge assembly (6) so that materials are discharged from the second discharge assembly (6).

2. The sterilizing oxygen absorbent drying device according to claim 1, characterized in that: The rotation axis of the inner cylinder (21) is colinear with the rotation axis, and both ends of the inner cylinder (21) are rotatably connected to the outer cylinder (22) via a rotating seat (212); The rotation driving assembly (26) comprises a driving motor (261), a driving gear (262) and a driven gear (263); the driven gear (263) is coaxially fixedly arranged on the inner cylinder (21); the driving motor (261) is fixedly arranged on the outer cylinder (22); the driving gear (262) is coaxially fixedly arranged on the output shaft of the driving motor (261) and meshes with the driven gear (263).

3. The sterilizing oxygen absorbent drying device according to claim 1, characterized in that: The first discharging assembly (5) includes a first discharging barrel (51) and a first sealing plate (52). The first discharging barrel (51) is fixedly arranged on the outer wall of the inner barrel (21) and is connected to the drying chamber (24). The first sealing plate (52) can be threadedly connected in the first discharging barrel (51) and can be rotated in or out of the first discharging barrel (51) to close or open the first discharging barrel (51).

4. The sterilizing oxygen absorbent drying device according to claim 3, characterized in that: A sealing gasket (53) is provided on the side of the first sealing plate (52) facing the drying chamber (24), and a side of the sealing gasket (53) facing away from the first sealing plate (52) is a spherical surface. A sealing ring (54) is provided on the inner wall of the first discharge barrel (51), and a spherical surface is provided on the sealing ring (54) that fits with the sealing gasket (53). The first sealing plate (52) can squeeze the sealing gasket (53) to fit with the sealing ring (54).

5. The sterilizing oxygen absorbent drying device according to claim 3, characterized in that: The second discharging assembly (6) includes a second discharging barrel (61), a second sealing plate (62) and a guide installation mechanism (63). The second discharging barrel (61) is slidably inserted into the outer barrel (22) and can be opposite to the first discharging barrel (51). The guide installation mechanism (63) is arranged on the outer barrel (22) and connected to the second discharging barrel (61) to drive the second discharging barrel (61) to dock with the first discharging barrel (51). The second sealing plate (62) is threadedly connected in the second discharging barrel (61) to seal the second discharging barrel (61).

6. The sterilizing oxygen absorbent drying device according to claim 5, characterized in that: The opening and closing assembly (7) comprises a driving ring (71) and a driving rod (72); the driving ring (71) is slidably sleeved on the second discharge barrel (61); a driving seat (74) located in the second discharge barrel (61) is fixedly provided on the driving ring (71); the cross section of the driving rod (72) is polygonal; the driving rod (72) is fixedly arranged on the second blocking plate (62) along the axial direction of the second discharge barrel (61) and is slidably plugged into the driving seat (74) so ​​that the driving ring (71) can drive the driving rod (72). The second sealing plate (62) is provided with a connecting column (75) with a polygonal cross-section, and the first sealing plate (52) is provided with a connecting groove (76) for the connecting column (75) to be inserted, and the connecting groove (76) is adapted to the connecting column (75) so that the second sealing plate (62) can drive the first sealing plate (52) to rotate, and the driving rod (72) can drive the first sealing plate (52) and the second sealing plate (62) to rotate in or out of the second discharge barrel (61) to close or open the second discharge barrel (61).

7. The sterilizing oxygen absorbent drying device according to claim 5, characterized in that: The second discharge barrel (61) includes a straight barrel portion (611) and an expanded barrel portion (612), the straight barrel portion (611) being inserted into the expanded barrel portion (612), a thread being provided on the inner side wall of the straight barrel portion (611) for threaded connection with the second sealing plate (62), a material drop space (613) being formed between the straight barrel portion (611) and the expanded barrel portion (612), a material drop port (66) being provided on the straight barrel portion (611) and being connected with the material drop space (613), so that the material can flow out along the material drop port (66) and the material drop space (613).

8. The sterilizing oxygen absorbent drying device according to claim 7, characterized in that: The inner diameter of the second discharge cylinder (61) is larger than the inner diameter of the first discharge cylinder (51), and smaller than the outer diameter of the first discharge cylinder (51).

9. The sterilizing oxygen absorbent drying device according to claim 7, characterized in that: A first conical surface (671) is provided on the side of the first discharge barrel (51) facing the second discharge barrel (61), and a second conical surface (672) matching with the first conical surface (671) is provided at the end of the second discharge barrel (61).

10. The sterilizing oxygen absorbent drying device according to claim 9, characterized in that: The second sealing plate (62) includes a connecting portion (621) and a sealing portion (622), wherein the connecting portion (621) is threadedly connected to the second discharge barrel (61), and the sealing portion (622) is provided with a third conical surface (673) which is in contact with the first conical surface (671). When the first conical surface (671) is in contact with the third conical surface (673), the end face of the sealing portion (622) can be in contact with the end face of the first sealing plate (52).

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