A solid sorbitol drying device

Abstract

The present invention relates to the technical field of drying equipment, and in particular to a solid sorbitol drying equipment, including a circulation box and a drying cylinder, wherein the drying cylinder is located in the circulation box, a drying tube is fixedly provided through the outer wall of the drying cylinder, and the outer wall of the drying tube is provided with multiple rows of air outlet holes distributed in an annular manner with equal distances, installation openings are provided on both sides of the outer wall of the circulation box, and fixed tubes are fixedly provided in the installation openings, and the two ends of the drying tube are rotatably provided in the fixed tubes, a hot air blower is fixedly provided on the outer wall of the circulation box, and a connecting tube is provided at the air guide end of the hot air blower, and the end of the connecting tube is connected to the air guide tube. The present invention can make the sorbitol material fully contact with the hot air flow, so that the sorbitol particles are evenly heated, greatly improve the drying efficiency, shorten the drying time, and dry faster, while realizing the internal circulation of air, reducing heat loss, improving energy utilization, and saving production costs.

Description

Technical Field

[0001] The invention relates to the technical field of drying equipment, in particular to solid sorbitol drying equipment. Background Art

[0002] Sorbitol is an important chemical raw material, widely used in food, medicine, cosmetics and other industries. In the production process of sorbitol, drying is a key link, and its drying effect directly affects the quality and performance of sorbitol. However, the existing solid sorbitol drying equipment has some shortcomings.

[0003] The air duct design of some equipment is unreasonable, the hot air does not flow smoothly in the equipment, and cannot fully contact with sorbitol, resulting in heat waste and affecting the drying efficiency. At the same time, some drying equipment has poor thermal insulation performance, serious heat loss, and requires a lot of energy to maintain the temperature required for drying. This not only increases production costs, but also does not meet the requirements of energy conservation and environmental protection. Therefore, it is urgent to design a solid sorbitol drying equipment to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the defects in the prior art and to provide a solid sorbitol drying device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A solid sorbitol drying device comprises a circulation box and a drying cylinder, wherein the drying cylinder is located in the circulation box, a drying tube is fixedly arranged through the outer wall of the drying cylinder, and a plurality of rows of air outlet holes are arranged on the outer wall of the drying tube with equal distances and distributed in an annular manner, installation openings are arranged on the outer walls of both sides of the circulation box, and fixed tubes are fixedly arranged in the installation openings, and both ends of the drying tube are rotatably arranged in the fixed tubes, a hot air blower is fixedly arranged on the outer wall of the circulation box, and a connecting tube is arranged at the air guide end of the hot air blower, the end of the connecting tube is connected to an air guide tube, and both ends of the air guide tube are plugged into the fixed tube, and a feeding port is arranged on the outer wall of the drying cylinder , and a feeding frame is fixedly arranged in the feeding port, a discharge port is opened on the bottom outer wall of the circulation box, and a discharge frame is fixedly arranged in the discharge port, and sealing covers are arranged at the ends of the feeding frame and the discharge frame, and exhaust ports that are equidistantly distributed in an annular manner are opened on the outer wall of the drying cylinder, and an exhaust tube is fixedly arranged in the exhaust port, and a ring cover is threadedly connected to the end of the exhaust tube, and a filter cloth is clamped between the end of the exhaust tube and the ring cover, and baffle plates that are equidistantly distributed in an annular manner are fixedly arranged on the inner wall of the drying cylinder, and the baffle plates are V-shaped, a fixed port is also opened on one side outer wall of the circulation box, and a box cover is rotatably arranged in the fixed port, and also includes:

[0007] A dredging mechanism, which is arranged above the circulation box and is used to dredge the material blocked in the filter cloth so that the air in the drying cylinder remains unobstructed when discharged outward;

[0008] A rotating mechanism, which is arranged on an outer wall of one side of the circulation box and is used to drive the drying cylinder to rotate in the circulation box;

[0009] The dehumidification mechanism is arranged above the hot air blower and is used to collect the air exhausted from the circulation box and remove moisture from the air, and then reintroduce the dry air into the hot air blower.

[0010] As a further solution of the present invention: the dredging mechanism includes a pressure accumulator cylinder which is fixedly arranged on the upper surface of the circulation box, the outer wall of the pressure accumulator cylinder is provided with an annular groove, and a rotating cover is rotatably arranged in the annular groove, an air pump is also fixedly arranged on the upper surface of the circulation box, and the air guide end of the air pump is connected with the pressure accumulator cylinder through an air guide pipe, a one-way valve is arranged in the air guide pipe, a baffle is fixedly arranged in the pressure accumulator cylinder, and an air hole is arranged on the outer wall of the baffle, and a sealing assembly is also arranged in the pressure accumulator cylinder for sealing the air hole and releasing the air in the pressure accumulator cylinder instantly when the rotating cover is aligned with the exhaust cylinder.

[0011] As a further solution of the present invention: the blocking assembly includes a support plate, which is fixedly arranged in the rotating cover through a support rod, and a symmetrically distributed top block is fixedly arranged on the upper surface of the support plate, and the inner wall of the pressure storage cylinder is fixedly arranged with side plates distributed in an annular shape with equal distances, and a limiting rod is fixedly arranged between the side plate and the baffle, a movable block is sleeved on the outer side of the limiting rod, and a blocking film is fixedly arranged on the upper surface of the movable block for blocking the air vent, a stepping motor is fixedly arranged through the upper surface of the circulation box, and a rotating gear is arranged at the driving end of the stepping motor, and the outer wall of the rotating cover is provided with a Tooth grooves, and the rotating gear and the tooth grooves are meshed, the lower surface of the movable block is provided with an arc groove that matches the top block, which is used to lift the movable block when the top block rotates with the rotating cover and moves out of the arc groove, so that the sealing film and the baffle are in contact with each other, and when the top block rotates to a state that fits the arc groove again, the movable block moves down quickly so that the top block enters the arc groove, an infrared receiver is fixedly set on the inner wall of one side of the circulation box, and infrared transmitters distributed in a ring at equal distances are fixedly set on the outer wall of the drying cylinder, and the rotating cover is just aligned with the exhaust pipe when the infrared rays emitted by the infrared transmitter are received by the infrared receiver.

[0012] As a further solution of the present invention: a rubber gasket is sleeved on the outer side of the limit rod, and the rubber gasket is located between the movable block and the side plate.

[0013] As a further solution of the present invention: a material storage trough is provided on the inner wall of one side of the material baffle plate, and a material discharge trough is provided on the inner wall of the other side of the material baffle plate at equal distances, and the end of the material discharge trough is aligned with the air outlet, and a guide groove is also provided on the inner wall of the material baffle plate for guiding the material in the material storage trough to the material discharge trough.

[0014] As a further solution of the present invention: the rotating mechanism includes a servo motor which is fixedly arranged on the outer wall of one side of the circulation box, and the driving end of the servo motor is rotatably provided with an output gear, the outer wall of the drying cylinder is fixedly provided with a gear ring, and the output gear and the gear ring are meshed.

[0015] As a further solution of the present invention: the dehumidification mechanism includes a mounting plate and a support plate fixedly arranged on the outer wall of one side of the circulation box, and the mounting plate is located above the support plate, a limit frame is fixedly arranged on the upper surface of the support plate, and a dehumidification box is movably placed in the limit frame, a partition is fixedly arranged in the dehumidification box, and the dehumidification box is filled with absorbent material, the top of the dehumidification box is in contact with the lower surface of the mounting plate, a first air hole is opened on the outer wall of the mounting plate, and a return pipe is connected to the first air hole, and the end of the return pipe is connected to the circulation box, the outer wall of the mounting plate is also opened with a second air hole, and an exhaust pipe is connected to the second air hole, and the end of the exhaust pipe is connected to the exhaust end of the hot air blower, and the first air hole and the second air hole are respectively located on both sides of the partition.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The solid sorbitol drying device provided by the present invention first drives the drying cylinder to rotate through a rotating mechanism so that the feeding frame is aligned with the box cover, then the box cover can be opened first, and then the sealing cover on the feeding frame is removed, so that the sorbitol material to be dried can be introduced into the drying cylinder through the feeding frame, and then the sealing cover at the end of the feeding frame and the box cover on the circulation box are closed in sequence, and hot air is introduced into the fixed pipe along the air guide pipe through a hot air blower, and then enters the drying pipe along the fixed pipe and is sprayed into the drying cylinder through the air outlet on the drying pipe, so as to dry the sorbitol material. During the drying process, the drying cylinder can be driven to rotate by the rotating mechanism, and the baffle plate in the drying cylinder can be used to turn over the sorbitol material, so that the sorbitol material is fully in contact with the hot air flow, so that the sorbitol particles are evenly heated, thereby greatly improving the drying efficiency and shortening the drying time. , drying is faster, and the hot air with residual temperature in the drying box will enter the circulation box through the exhaust pipe, and the sorbitol material can be prevented from entering the circulation box under the blocking effect of the filter cloth. After drying, the sealing cover on the feeding frame can be opened again, and the drying cylinder can be driven to rotate by the rotating mechanism, so that the sorbitol material in the drying cylinder is discharged to the bottom of the circulation box through the feeding frame, and then the sealing cover at the end of the discharge frame is opened to discharge the dried sorbitol material from the bottom of the circulation box. During the drying process, the air in the circulation box can be collected by the dehumidification mechanism, and the moisture therein can be removed. The dry air after moisture removal will be re-introduced into the hot air blower to be heated, and then introduced into the drying pipe again, which effectively realizes the internal circulation of air, reduces heat loss, improves energy utilization, reduces energy consumption, saves production costs, and has better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a solid sorbitol drying device from a first perspective provided by an embodiment of the present invention;

[0019] Figure 2 A schematic cross-sectional view of a circulation box and a drying cylinder in a solid sorbitol drying device provided in an embodiment of the present invention;

[0020] Figure 3 A schematic diagram of a half-section structure of a solid sorbitol drying device provided in an embodiment of the present invention;

[0021] Figure 4 for Figure 3 A is an enlarged structural diagram;

[0022] Figure 5 A schematic structural diagram of a drying cylinder in a solid sorbitol drying device provided in an embodiment of the present invention;

[0023] Figure 6 A schematic diagram of the structure of a dredging mechanism in a solid sorbitol drying device provided in an embodiment of the present invention;

[0024] Figure 7 A schematic diagram of a half-section structure of a pressure storage cylinder in a solid sorbitol drying device provided in an embodiment of the present invention;

[0025] Figure 8 A schematic diagram of the structure of a movable block in a solid sorbitol drying device provided by an embodiment of the present invention;

[0026] Fig. 9 A schematic diagram of the structure of a top block in a solid sorbitol drying device provided by an embodiment of the present invention;

[0027] Fig.10 A schematic structural diagram of a material baffle plate in a solid sorbitol drying device provided in an embodiment of the present invention;

[0028] Fig.11 A second perspective structural schematic diagram of a solid sorbitol drying device provided in an embodiment of the present invention.

[0029] In the figure: 101-circulation box, 102-box cover, 103-discharge frame, 104-drying cylinder, 105-feeding frame, 106-blocking plate, 107-drying tube, 108-air outlet, 109-fixed pipe, 110-hot air blower, 111-connecting pipe, 112-air guide pipe, 113-exhaust pipe, 114-filter cloth, 115-ring cover, 201-air pump, 202-air guide pipe, 203-check valve, 204-pressure storage cylinder, 205-rotating cover, 206-baffle, 207-air vent, 301-side plate, 302-limit rod, 303-movable block, 304-sealing film, 305-rubber gasket, 306-arc groove, 307-support rod, 308-support plate, 309-top block, 310-tooth groove, 311-stepping motor, 312-rotating gear, 313-infrared transmitter, 314-infrared receiver, 401-storage trough, 402-guide groove, 403-discharge trough, 501-servo motor, 502-output gear, 503-gear ring, 601-mounting plate, 602-support plate, 603-reflux pipe, 604-exhaust pipe, 605-limiting frame, 606-dehumidification box, 607-partition. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] like Figure 1-Figure 11As shown, a solid sorbitol drying device provided by an embodiment of the present invention includes a circulation box 101 and a drying cylinder 104. The drying cylinder 104 is located in the circulation box 101. A drying tube 107 is fixedly installed through the outer wall of the drying cylinder 104, and the outer wall of the drying tube 107 is provided with multiple rows of air outlet holes 108 that are equidistantly distributed in an annular shape. Both sides of the outer wall of the circulation box 101 are provided with mounting openings, and fixed tubes 109 are fixedly installed in the mounting openings. Both ends of the drying tube 107 are rotatably installed in the fixed tubes 109. The outer wall of the circulation box 101 is fixedly provided with a hot air blower 110, and the air guide end of the hot air blower 110 is provided with a connecting pipe 111, the end of the connecting pipe 111 is connected with an air guide pipe 112, and both ends of the air guide pipe 112 are plugged into the fixed pipe 109, the outer wall of the drying cylinder 104 is provided with a feeding port, and a feeding frame 105 is fixedly provided in the feeding port, the bottom outer wall of the circulation box 101 is provided with a discharge port, and a discharge frame 103 is fixedly provided in the discharge port, and the ends of the feeding frame 105 and the discharge frame 103 are provided The drying cylinder 104 has a sealing cover, the outer wall of the drying cylinder 104 is provided with exhaust ports which are equidistantly distributed in an annular pattern, and an exhaust cylinder 113 is fixedly arranged in the exhaust port, an annular cover 115 is threadedly connected to the end of the exhaust cylinder 113, and a filter cloth 114 is clamped between the end of the exhaust cylinder 113 and the annular cover 115, the inner wall of the drying cylinder 104 is fixed with baffle plates 106 which are equidistantly distributed in an annular pattern, and the baffle plates 106 are V-shaped, a fixing port is also provided on the outer wall of one side of the circulation box 101, and a box cover 102 is rotatably arranged in the fixing port, and a filter cloth 114 is clamped between the end of the exhaust cylinder 113 and the annular cover 115, and a filter cloth 114 is clamped between the end of the exhaust cylinder 113 and the annular cover 115, and a baffle plate 106 which is equidistantly distributed in an annular pattern is fixedly arranged on the inner wall of the drying cylinder 104, and the baffle plate 106 is V-shaped, a fixing port is also provided on the outer wall of one side of the circulation box 101, and a box cover 102 is rotatably arranged in the fixing port, and a baffle plate 106 is also fixedly arranged on the inner wall of the circulation box 101, and a baffle plate 106 is V-shaped ... It includes: a dredging mechanism, which is arranged above the circulation box 101 and is used to dredge the materials blocked in the filter cloth 114, so that the air in the drying cylinder 104 remains unobstructed when discharged outward; a rotating mechanism, which is arranged on the outer wall of one side of the circulation box 101 and is used to drive the drying cylinder 104 to rotate in the circulation box 101; a dehumidification mechanism, which is arranged above the hot air blower 110 and is used to collect the air discharged from the circulation box 101 and remove moisture from the air, and then re-introduce the dry air into the hot air blower 110.

[0032] When the sorbitol material needs to be dried, the drying cylinder 104 is first driven to rotate by the rotating mechanism so that the feeding frame 105 is aligned with the box cover 102. Then, the box cover 102 can be opened first, and then the sealing cover on the feeding frame 105 is removed, so that the sorbitol material to be dried can be introduced into the drying cylinder 104 through the feeding frame 105. Then, the sealing cover at the end of the feeding frame 105 and the box cover 102 on the circulation box 101 are closed in sequence, and the hot air is introduced into the fixed pipe 109 along the air guide pipe 112 through the hot air blower 110, and then enters the drying pipe 107 along the fixed pipe 109, and is sprayed into the drying cylinder 104 through the air outlet 108 on the drying pipe 107, so as to dry the sorbitol material. During the drying process, the drying cylinder 104 can be driven to rotate by the rotating mechanism, and the baffle plate 106 in the drying cylinder 104 can turn over the sorbitol material, so that the sorbitol material is fully in contact with the hot air flow, so that the sorbitol particles are evenly heated, which greatly improves the drying efficiency. The drying time is shortened and the drying is faster. The hot air with residual temperature in the drying box will enter the circulation box 101 through the exhaust pipe 113, and the sorbitol material can be prevented from entering the circulation box 101 under the blocking effect of the filter cloth 114. After drying, the sealing cover on the feeding frame 105 can be opened again, and the drying cylinder 104 can be driven to rotate by the rotating mechanism, so that the sorbitol material in the drying cylinder 104 is discharged to the bottom of the circulation box 101 through the feeding frame 105, and then the sealing cover at the end of the discharge frame 103 is opened to discharge the dried sorbitol material from the bottom of the circulation box 101. During the drying process, the air in the circulation box 101 can be collected by the dehumidification mechanism and the moisture therein can be removed. The dry air after the moisture is removed will be re-introduced into the hot air blower 110 to be heated, and then introduced into the drying pipe 107 again, effectively realizing the internal circulation of the air, reducing heat loss, improving energy utilization, reducing energy consumption, saving production costs, and achieving better use effect.

[0033] As an embodiment of the present invention, the dredging mechanism includes a pressure storage cylinder 204 which is fixedly arranged on the upper surface of the circulation box 101, the outer wall of the pressure storage cylinder 204 is provided with an annular groove, and a rotating cover 205 is rotatably arranged in the annular groove, an air pump 201 is also fixedly arranged on the upper surface of the circulation box 101, and the air guide end of the air pump 201 is connected to the pressure storage cylinder 204 through an air guide pipe 202, a one-way valve 203 is arranged in the air guide pipe 202, a baffle 206 is fixedly arranged in the pressure storage cylinder 204, and an air hole 207 is arranged on the outer wall of the baffle 206, and a blocking component is also arranged in the pressure storage cylinder 204 for blocking the air hole 207 and rotating the cover. When 205 is aimed at the exhaust cylinder 113, the air in the pressure storage cylinder 204 is released instantly. Air can be pumped into the pressure storage cylinder 204 through the air pump 201, and under the action of the one-way valve 203, a certain air pressure can be maintained in the pressure storage cylinder 204. When the rotating cover 205 is aimed at the exhaust cylinder 113, the sealing component will release the blockage of the air vent 207, so that the gas in the pressure storage cylinder 204 is released instantly, and the gas is sprayed out by the rotating cover 205 to act on the surface of the filter cloth 114, which can effectively blow away the sorbitol particles blocked in the gap of the filter cloth 114, thereby ensuring the smoothness of the air when it is discharged from the exhaust cylinder 113, and the use effect is better.

[0034] As an embodiment of the present invention, the blocking assembly includes a support plate 308, which is fixedly arranged in the rotating cover 205 through a support rod 307, and a symmetrically distributed top block 309 is fixedly arranged on the upper surface of the support plate 308, and the inner wall of the pressure storage cylinder 204 is fixedly provided with a side plate 301 distributed in an annular shape with equal distances, and a limit rod 302 is fixedly arranged between the side plate 301 and the baffle 206, and a movable block 303 is sleeved on the outer side of the limit rod 302, and a blocking film 304 is fixedly arranged on the upper surface of the movable block 303 for blocking the air vent 207, and the circulation box A stepper motor 311 is fixedly arranged on the upper surface of the rotating cover 201, and a rotating gear 312 is arranged on the driving end of the stepper motor 311. A tooth groove 310 is provided on the outer wall of the rotating cover 205, and the rotating gear 312 and the tooth groove 310 are meshed. An arc groove 306 cooperating with the top block 309 is provided on the lower surface of the movable block 303, which is used to lift the movable block 303 when the top block 309 rotates with the rotating cover 205 and moves out of the arc groove 306, so that the blocking film 304 and the baffle 206 are fitted together. When the top block 309 rotates again to fit with the arc groove 306, the movable block 303 is lifted. , the movable block 303 moves downward quickly so that the top block 309 enters the arc groove 306, an infrared receiver 314 is fixedly provided on the inner wall of one side of the circulation box 101, and infrared transmitters 313 are fixedly provided on the outer wall of the drying cylinder 104 in an annular distribution with equal distances. When the infrared rays emitted by the infrared transmitter 313 are received by the infrared receiver 314, the rotating cover 205 is just aligned with the exhaust pipe 113. When the infrared receiver 314 detects that the rotating cover 205 is aligned with the exhaust pipe 113, the rotating gear 312 can be driven to rotate by the stepping motor 311, and the rotating gear 312 drives The rotating cover 205 rotates, causing the top block 309 on the support plate 308 to rotate together with the rotating cover 205, until the top block 309 rotates to a state in which it fits with the arc groove 306. The movable block 303 will then move downward quickly to allow the top block 309 to enter the arc groove 306. At this time, the air in the pressure storage cylinder 204 will be instantly released and sprayed out through the rotating cover 205 to clean the filter cloth 114. As the rotating cover 205 continues to rotate, the top block 309 will move out of the arc groove 306 and lift up the movable block 303 again, preparing for the next air release, resulting in a better use effect.

[0035] As an embodiment of the present invention, a rubber gasket 305 is also sleeved on the outer side of the limiting rod 302, and the rubber gasket 305 is located between the movable block 303 and the side plate 301. The rubber gasket 305 can block the movable block 303 to reduce the noise generated by the downward movement of the movable block 303, thereby improving the use effect.

[0036] As an embodiment of the present invention, a storage groove 401 is provided on the inner wall of one side of the baffle plate 106, and a discharge groove 403 is provided on the inner wall of the other side of the baffle plate 106 at equal distances, and the end of the discharge groove 403 is aligned with the air outlet 108. The inner wall of the baffle plate 106 is also provided with a guide groove 402 for guiding the material in the storage groove 401 to the discharge groove 403. As the drying cylinder 104 rotates, the sorbitol material will first enter the storage groove 401 on the baffle plate 106, and as the drying cylinder 104 continues to rotate, the sorbitol material can be introduced into the discharge groove 403 along the guide groove 402. When the sorbitol material is discharged from the end of the discharge groove 403, it can be aligned with the hot air flow ejected from the air outlet 108, thereby making the contact between the sorbitol particles and the hot air flow more complete, further improving the drying effect.

[0037] As an embodiment of the present invention, the rotating mechanism includes a servo motor 501 which is fixedly arranged on the outer wall of one side of the circulation box 101, and the driving end of the servo motor 501 is rotatably provided with an output gear 502, and the outer wall of the drying cylinder 104 is fixedly provided with a gear ring 503, and the output gear 502 and the gear ring 503 are meshed with each other. When the drying cylinder 104 needs to be rotated, the output gear 502 can be driven to rotate by the servo motor 501, and the output gear 502 drives the gear ring 503 on the outside of the drying cylinder 104 to rotate, thereby realizing the rotation of the drying cylinder 104.

[0038] As an embodiment of the present invention, the dehumidification mechanism includes a mounting plate 601 and a support plate 602 fixedly arranged on the outer wall of one side of the circulation box 101, and the mounting plate 601 is located above the support plate 602, a limit frame 605 is fixedly arranged on the upper surface of the support plate 602, and a dehumidification box 606 is movably placed in the limit frame 605, a partition plate 607 is fixedly arranged in the dehumidification box 606, and the dehumidification box 606 is filled with a water-absorbing material, and the specific material of the water-absorbing material is not limited. In this embodiment, preferably, the water-absorbing material is a water-absorbing resin, the top of the dehumidification box 606 and the lower surface of the mounting plate 601 are in contact, the outer wall of the mounting plate 601 is provided with a first air hole, and the first air hole is connected to a return pipe 603, and the end of the return pipe 603 and the circulation box 101 are connected to each other. The ring box 101 is connected, and a second air hole is also opened on the outer wall of the mounting plate 601, and an exhaust pipe 604 is connected to the second air hole, and the end of the exhaust pipe 604 is connected to the exhaust end of the hot air blower 110. The first air hole and the second air hole are respectively located on both sides of the partition 607. The air in the circulation box 101 can be introduced into the dehumidification box 606 through the return pipe 603, and the moisture in the air can be removed by the water-absorbing material in the dehumidification box 606. The air after moisture is removed can be introduced into the hot air blower 110 along the exhaust pipe 604, so that the air is effectively recycled, which can reduce heat loss and improve energy utilization. The dehumidification box 606 can be directly taken out from the limit frame 605, which is convenient for replacing the water-absorbing material and has a better use effect.

[0039] When in use, the drying cylinder 104 is first driven to rotate by the rotating mechanism so that the feeding frame 105 is aligned with the box cover 102, and then the box cover 102 can be opened first, and then the sealing cover on the feeding frame 105 is removed, so that the sorbitol material to be dried can be introduced into the drying cylinder 104 through the feeding frame 105, and then the sealing cover at the end of the feeding frame 105 and the box cover 102 on the circulation box 101 are closed in sequence, and the hot air is introduced into the fixed pipe 109 along the air guide pipe 112 through the hot air blower 110, and then enters the drying pipe 107 along the fixed pipe 109, and is sprayed into the drying cylinder 104 through the air outlet 108 on the drying pipe 107, so as to dry the sorbitol material. During the drying process, the drying cylinder 104 can be driven to rotate by the rotating mechanism, and the baffle plate 106 in the drying cylinder 104 can turn over the sorbitol material, so that the sorbitol material is fully in contact with the hot air flow, so that the sorbitol particles are evenly heated, which greatly improves the drying efficiency and shortens the drying time. The drying time is shortened and the drying is faster. The hot air with residual temperature in the drying box will enter the circulation box 101 through the exhaust pipe 113. The sorbitol material can be prevented from entering the circulation box 101 under the blocking effect of the filter cloth 114. After drying, the sealing cover on the feeding frame 105 can be opened again, and the drying cylinder 104 can be driven to rotate by the rotating mechanism, so that the sorbitol material in the drying cylinder 104 is discharged to the bottom of the circulation box 101 through the feeding frame 105, and then the sealing cover at the end of the discharge frame 103 is opened to discharge the dried sorbitol material from the bottom of the circulation box 101. During the drying process, the air in the circulation box 101 can be collected by the dehumidification mechanism and the moisture therein is removed. The dry air after the moisture is removed will be re-introduced into the hot air blower 110 to be heated, and then introduced into the drying pipe 107 again, so as to effectively realize the internal circulation of the air, reduce the heat loss, improve the energy utilization rate, reduce the energy consumption, save the production cost, and achieve better use effect.

[0040] It should be particularly noted that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A solid sorbitol drying device, comprising a circulation box and a drying cylinder, characterized in that: The drying cylinder is located in the circulation box, and a drying tube is fixedly arranged through the outer wall of the drying cylinder, and a plurality of rows of air outlet holes are arranged in an annular distribution with equal distances on the outer wall of the drying tube. Installation openings are arranged on the outer walls of both sides of the circulation box, and fixed tubes are fixedly arranged in the installation openings, and both ends of the drying tube are rotatably arranged in the fixed tubes. A hot air blower is fixedly arranged on the outer wall of the circulation box, and a connecting tube is arranged at the air guide end of the hot air blower, and an air guide tube is arranged at the end of the connecting tube, and both ends of the air guide tube are plugged into the fixed tube. A feeding opening is arranged on the outer wall of the drying cylinder, and a A feeding frame, a discharge port is provided on the bottom outer wall of the circulation box, and a discharge frame is fixedly arranged in the discharge port, and sealing covers are provided at the ends of the feeding frame and the discharge frame, and exhaust ports that are equidistantly distributed in an annular manner are provided on the outer wall of the drying cylinder, and an exhaust tube is fixedly arranged in the exhaust port, and a ring cover is threadedly connected to the end of the exhaust tube, and a filter cloth is clamped between the end of the exhaust tube and the ring cover, and baffle plates that are equidistantly distributed in an annular manner are fixedly arranged on the inner wall of the drying cylinder, and the baffle plates are V-shaped, and a fixing port is also provided on one side outer wall of the circulation box, and a box cover is rotatably arranged in the fixing port, and also includes: A dredging mechanism is arranged above the circulation box and is used to dredge the materials blocked in the filter cloth so that the air in the drying cylinder remains unobstructed when discharged outwardly. The dredging mechanism includes a pressure storage cylinder which is fixedly arranged on the upper surface of the circulation box, and an annular groove is provided on the outer wall of the pressure storage cylinder, and a rotating cover is rotatably arranged in the annular groove. An air pump is also fixedly arranged on the upper surface of the circulation box, and the air guide end of the air pump is connected to the pressure storage cylinder through an air guide pipe. A one-way valve is arranged in the air guide pipe, and a baffle is fixedly arranged in the pressure storage cylinder, and the baffle The outer wall is provided with an air hole, and a plugging assembly is also provided in the pressure storage cylinder for plugging the air hole and releasing the air in the pressure storage cylinder instantly when the rotating cover is aligned with the exhaust cylinder. The plugging assembly includes a support plate, which is fixedly arranged in the rotating cover through a support rod, and a symmetrically distributed top block is fixedly arranged on the upper surface of the support plate, and side plates with equal distances and annular distribution are fixedly arranged on the inner wall of the pressure storage cylinder, and a limiting rod is fixedly arranged between the side plate and the baffle, and a movable block is sleeved on the outer side of the limiting rod, and the upper surface of the movable block is fixed A sealing film is provided to seal the air vents. A stepper motor is fixedly provided on the upper surface of the circulation box, and a rotating gear is provided on the driving end of the stepper motor. A tooth groove is provided on the outer wall of the rotating cover, and the rotating gear and the tooth groove are meshed. An arc groove matching with the top block is provided on the lower surface of the movable block, which is used to lift the movable block when the top block rotates with the rotating cover and moves out of the arc groove, so that the sealing film and the baffle are in contact. When the top block rotates again to a state in which it fits with the arc groove, the movable block moves down quickly to allow the top block to enter. In the circular arc groove, an infrared receiver is fixedly arranged on the inner wall of one side of the circulation box, and infrared transmitters distributed in a ring shape with equal distances are fixedly arranged on the outer wall of the drying cylinder. When the infrared rays emitted by the infrared transmitter are received by the infrared receiver, the rotating cover is just aligned with the exhaust cylinder. A storage groove is provided on the inner wall of one side of the baffle plate, and a discharge groove distributed with equal distances is provided on the inner wall of the other side of the baffle plate, and the end of the discharge groove is aligned with the air outlet. A guide groove is also provided on the inner wall of the baffle plate for guiding the material in the storage groove to the discharge groove. A rotating mechanism, which is arranged on an outer wall of one side of the circulation box and is used to drive the drying cylinder to rotate in the circulation box; The dehumidification mechanism is arranged above the hot air blower and is used to collect the air exhausted from the circulation box and remove moisture from the air, and then reintroduce the dry air into the hot air blower.

2. A solid sorbitol drying device according to claim 1, characterized in that: A rubber gasket is sleeved on the outer side of the limiting rod, and the rubber gasket is located between the movable block and the side plate.

3. A solid sorbitol drying device according to claim 1, characterized in that: The rotating mechanism includes a servo motor which is fixedly arranged on the outer wall of one side of the circulation box, and the driving end of the servo motor is rotatably provided with an output gear, and the outer wall of the drying cylinder is fixedly provided with a gear ring, and the output gear and the gear ring are meshed.

4. A solid sorbitol drying device according to claim 1, characterized in that: The dehumidification mechanism includes a mounting plate and a support plate fixedly arranged on the outer wall of one side of the circulation box, and the mounting plate is located above the support plate, a limit frame is fixedly arranged on the upper surface of the support plate, and a dehumidification box is movably placed in the limit frame, a partition is fixedly arranged in the dehumidification box, and the dehumidification box is filled with absorbent material, the top of the dehumidification box is in contact with the lower surface of the mounting plate, a first air hole is opened on the outer wall of the mounting plate, and a return pipe is connected to the first air hole, and the end of the return pipe is connected to the circulation box, a second air hole is also opened on the outer wall of the mounting plate, and an exhaust pipe is connected to the second air hole, and the end of the exhaust pipe is connected to the exhaust end of the hot air blower, and the first air hole and the second air hole are respectively located on both sides of the partition.

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