A rotary drying and dehumidification device with moisture content monitoring function

Abstract

The invention discloses a rotary drying and dehumidifying device with a moisture content monitoring function, the dehumidifying device comprises a base frame, a drying barrel, a humidity tester, a box body and an air circuit assembly, the base frame is fixedly connected to the drying barrel and the box body, the drying barrel is fixedly connected to the humidity tester, the humidity tester is arranged at the bottom of the drying barrel, the box body is fixedly connected to the air circuit assembly, the air circuit assembly comprises a drying air circuit, the drying air circuit comprises a return air filter and a drying electric heater, the return air filter and the drying electric heater are connected to the drying barrel through a pipeline; the invention relates to the technical field of drying and dehumidifying equipment, the invention can ensure continuous dehumidification, uninterrupted and continuous output of dry air, can handle large air volume and high humidity air, expand the range of the moisture absorption zone, can prolong the adsorption time, improve the single adsorption effect, ensure that there is no dehumidification leakage, measure the moisture content of the dried material by infrared, and avoid pollution and damage caused by contact measurement.

Description

Technical Field

[0001] The invention relates to the technical field of drying and dehumidifying equipment, in particular to a rotary drying and dehumidifying equipment with a moisture content monitoring function. Background Art

[0002] As an efficient and widely used dehumidification technology, honeycomb rotor dehumidification plays a key role in industrial production, warehousing logistics, and commercial places where humidity control is extremely strict. The honeycomb rotor is usually constructed with ceramic fiber and other matrix materials, and its interior presents a dense honeycomb microstructure. When humid air flows through the channel, water molecules interact with the adsorbent coated on the surface of the channel, which has porous properties and a large specific surface area, and are then adsorbed and retained, achieving the initial goal of air dehumidification. As the rotor continues to rotate at a stable and relatively slow rate, the area that has absorbed enough water leaves the moisture absorption zone and enters the regeneration zone. The heat introduced from the outside causes the water adsorbed by the adsorbent to obtain sufficient energy to overcome the adsorption constraints, convert it into a gaseous form and be discharged with hot air. At this point, the adsorbent completes regeneration, regains its moisture absorption efficiency, and returns to the moisture absorption zone to start a new round of cycle operation.

[0003] However, under the existing honeycomb rotor dehumidification equipment architecture, the adsorption of water molecules is mainly dependent on the honeycomb channel, and the rotor mostly maintains a constant speed. When encountering high humidity intake conditions, due to the relatively fixed adsorption and regeneration rhythm, even if a single channel is transferred to the regeneration area to recover after adsorption saturation, its overall processing rate is difficult to match the rapid dehumidification requirements of high humidity intake air. Gas that does not meet the sufficient drying standard will escape along the honeycomb channel, which is very likely to cause the material to be dried to become damp, which will have a negative impact on the dehumidification effect and material quality. Summary of the invention

[0004] The object of the present invention is to provide a rotary drying and dehumidifying device with a moisture content monitoring function to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rotary drying and dehumidifying device with a moisture content monitoring function includes a base frame, a drying barrel, a humidity tester, a box body and an air circuit assembly, the base frame is fixedly connected to the drying barrel and the box body, the drying barrel is fixedly connected to the humidity tester, the humidity tester is arranged at the bottom of the drying barrel, the box body is fixedly connected to the air circuit assembly, the air circuit assembly includes a drying air circuit, the drying air circuit includes a return air filter and a drying electric heater, the return air filter and the drying electric heater are connected to the drying barrel through pipelines.

[0006] The present invention is a drying and dehumidifying device for drying plastic raw materials. The high-pressure air generated by the drying gas circuit is dehumidified by a rotary mechanism to form low-dew-point drying air. After being heated by drying electric heat, the air is passed into a drying barrel to dry the plastic raw materials. A humidity tester is installed at the bottom of the drying barrel. The moisture content of the rubber raw materials is detected contactlessly by infrared technology. The dry return air is cooled and filtered through a return air filter before returning to the rotary mechanism to form a closed cycle. The air volume generated by the gas circuit assembly is heated by electric heat again to remove moisture from the adsorption honeycomb in the rotary mechanism. The rotary mechanism continuously rotates in a cycle to complete dehumidification and regeneration.

[0007] Furthermore, the air circuit assembly also includes a rotating mechanism and a regeneration air circuit. The rotating mechanism includes a base plate. The dry air circuit also includes a dry fan and a cooler. The regeneration air circuit also includes a regeneration fan, a regeneration filter and a regeneration electric heater. The base plate, dry fan, cooler, return air filter, dry electric heater, regeneration fan, regeneration filter and regeneration electric heater are all fixedly connected to the box.

[0008] The high-pressure air generated by the drying fan is dehumidified by the rotary mechanism to form low-dew-point drying air, which is then heated by the drying electric heat and passed into the drying barrel. The dry return air passes through the cooler and the return air filter and then returns to the rotary mechanism to form a closed cycle. The regeneration fan generates air volume after filtering through the regeneration filter, which is then heated again by the regeneration electric heat and passed into the rotary mechanism.

[0009] Furthermore, the rotating mechanism also includes a top cover, a spring rod, a driving mechanism and a rotating wheel cylinder. The top cover is provided with a through hole. The through holes and the spring rods are provided with several groups. The several groups of through holes and spring rods are evenly distributed along the circumference of the top cover. The spring rods are fixedly connected to the bottom plate and the through holes. The rotating wheel cylinder includes a bottom cover and a cylinder wall. An arc rack is provided on the cylinder wall. The bottom cover is fixedly connected to the bottom plate, and the cylinder wall is rotatably connected to the top cover. The driving mechanism includes a pulley and a tensioning wheel. The pulley, the tensioning wheel and the arc rack are connected through a belt drive.

[0010] The bottom cover is assembled on the bottom plate, and the spring rod is assembled on the top cover through the through hole. The humid air is transported into the rotor cylinder by the fan. When the water vapor molecules flow through the channel, they will contact with the surface of the adsorbent. The water molecules are adsorbed and retained by the intermolecular force, thereby realizing air dehumidification. Through the belt transmission between the pulley, the tensioning wheel and the arc rack, the cylinder wall rotates slowly, and the part that has been adsorbed with water is transferred out of the drying area and into the regeneration area.

[0011] Furthermore, the driving mechanism also includes a servo motor and a speed sensor. The servo motor and the tensioning pulley are fixedly connected to the base plate. The output end of the servo motor is fixedly connected to the pulley. The pulley and the tensioning pulley are connected through a belt drive. The speed sensor is fixedly connected to the spring rod. The speed sensor is in contact with the cylinder wall. The servo motor and the speed sensor are connected through an electrical signal.

[0012] The servo motor outputs the fixed-axis torque to the pulley, and the torque is transmitted to the cylinder wall through the contact between the pulley and the tensioning wheel to tighten the belt. The speed sensor contacts the surface of the cylinder wall, monitors the rotation speed of the wheel in real time, and feeds back to the controller. The controller compares the set speed with the actual speed, uses the algorithm to accurately control the power supply frequency or voltage of the servo motor, corrects the speed deviation, and maintains the uniform rotation of the cylinder wall.

[0013] Furthermore, the rotary drum also includes a honeycomb turntable and a differential mechanism. The honeycomb turntable and the differential mechanism are each provided with several groups. The several groups of honeycomb turntables and differential mechanisms are linearly evenly distributed along the axis of the drum wall. The drum wall is rotatably connected to the bottom cover, and the drum wall is fixedly connected to a group of honeycomb turntables near the bottom cover. The differential mechanism includes a rod wall, and the honeycomb turntable is fixedly connected to the rod wall. A drying zone, a regeneration zone and a cooling zone are provided on the honeycomb turntable. The drying zone occupies three quarters of the honeycomb turntable, the regeneration zone occupies one sixth of the honeycomb turntable, and the cooling zone occupies one twelfth of the honeycomb turntable.

[0014] The high-pressure wind generated by the drying fan passes through the honeycomb turntable and dense honeycomb channels. The surface of the channel is evenly coated with an adsorbent with extremely strong moisture absorption capacity. When water vapor molecules flow through the channel, they will contact the surface of the adsorbent. Since the adsorbent is porous and has a large specific surface area, the water molecules are adsorbed and retained by the intermolecular force, forming a low dew point dry wind. The drying area occupies three quarters of the honeycomb turntable. When it can handle large air volume and high humidity air, it can expand the range of the moisture absorption area, extend the adsorption time, and improve the single adsorption effect. After the cooling of the plastic raw materials, the dry return air passes through the cooler and the return air filter and then returns to the rotary mechanism to form a closed cycle. The honeycomb turntable rotates to transfer the channel in the drying area to the regeneration area. The regeneration fan passes through the regeneration filter. The filter generates air volume, which is heated again by regeneration electric heat and passed into the rotating mechanism. The high-temperature hot air is used to remove moisture and restore the adsorption capacity of the honeycomb channel. A cooling zone is added. The temperature of the adsorbent after regeneration is relatively high. If it is directly returned to the drying zone, the temperature of the dried air will rise. The cooling zone cools down by air cooling or water cooling to return the adsorbent and air to a suitable temperature. Several groups of honeycomb turntables linearly and evenly distributed along the axis of the cylinder wall rotate in sequence with the cylinder wall. Through the differential mechanism, the areas between adjacent honeycomb turntables are dislocated, and the gas entering the next-level honeycomb turntable enters the honeycomb channel that has just been regenerated. The moisture absorption capacity of the honeycomb channel is at its maximum, which speeds up the regeneration of the adsorbent and prevents the subsequent moisture absorption efficiency from being affected due to untimely regeneration.

[0015] Furthermore, the differential mechanism also includes a shaft body and a protruding rod, the protruding rod is fixedly connected to the shaft body, a semi-arc groove is provided on the shaft body, and the protruding rod contacts an adjacent semi-arc groove.

[0016] The cylinder wall drives the bottom honeycomb turntable to rotate, and the bottom honeycomb turntable drives the bottom shaft to rotate. The convex rod is assembled on the shaft to contact the adjacent semi-arc grooves. When the bottom honeycomb turntable rotates 180 degrees, the convex rod slides to the end in the adjacent semi-arc groove, driving the adjacent honeycomb turntable to rotate, so that the adjacent honeycomb turntables rotate in sequence and the effect of regional staggered is achieved.

[0017] Furthermore, the air circuit assembly also includes a cooling air circuit, which includes a first three-way pipe and a second three-way pipe. A drying air outlet and a cooling air inlet are provided on the top cover, and a drying air inlet and a cooling air outlet are provided on the bottom cover. The cooler is connected to the drying fan through a pipeline, the first three-way pipe is connected to the drying air outlet, the cooling air inlet, and the drying electric heater through pipelines, and the second three-way pipe is connected to the return air filter, the cooler, and the cooling air outlet through pipelines.

[0018] The high-pressure air generated by the drying fan is first passed into the cooler, and after preliminary cooling, it is passed into the rotary drum through the drying air inlet and passes through the drying area of ​​the honeycomb turntable to form low dew point drying air. Subsequently, the low-temperature drying air passes through the drying air outlet and the first three-way pipe. A part of it is heated by the drying electric heat and then passed into the drying barrel, and the other part is cooled in the cooling area of ​​the honeycomb turntable through the cooling air inlet. The cooled gas flows back to the cooler through the second three-way pipe, and the dry return air passes through the cooler and the return air filter and then returns to the rotary mechanism to form a closed cycle.

[0019] Furthermore, a regeneration air inlet is provided on the top cover, and a regeneration air outlet is provided on the bottom cover. The regeneration fan is connected to the regeneration filter and the regeneration electric heater through pipelines. The regeneration air inlet is connected to the regeneration electric heater through pipelines, and the regeneration air outlet is adjacent to the drying air inlet and the cooling air outlet.

[0020] The regeneration fan generates air volume through the regeneration filter, which is passed through the regeneration electric heat and the regeneration air inlet to provide high-temperature hot air for the regeneration area of ​​the honeycomb turntable. The high-temperature hot air removes moisture and restores the adsorption capacity of the honeycomb channel, and then is discharged from the regeneration outlet.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention designs a honeycomb turntable, the drying area occupies three quarters of the honeycomb turntable, and can process large air volume and high humidity air, expand the moisture absorption area, prolong the adsorption time, and improve the single adsorption effect. The honeycomb turntable rotates to transfer the channel located in the drying area to the regeneration area, and uses high-temperature hot air to remove moisture, restore the adsorption capacity of the honeycomb channel, and add a cooling area to return the adsorbent and air to a suitable temperature; the present invention designs a rotary drum, through a plurality of groups of honeycomb turntables linearly evenly distributed along the axis of the drum wall, rotate in sequence with the drum wall, and through a differential mechanism, The areas between adjacent honeycomb turntables are staggered, and the gas entering the next-level honeycomb turntable enters the honeycomb channel that has just been regenerated. The moisture absorption capacity of the honeycomb channel is at its maximum, which speeds up the regeneration speed of the adsorbent and prevents the subsequent moisture absorption efficiency from being dragged down due to untimely regeneration. The present invention can ensure continuous dehumidification and uninterrupted continuous output of dry air. It can handle large air volume and high-humidity air, expand the moisture absorption area, prolong the adsorption time, and improve the single adsorption effect. It is ensured that there will be no dehumidification leakage, and the moisture content of the dried material is measured by infrared to avoid pollution and damage caused by contact measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the gas circuit assembly structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the rotary mechanism of the present invention;

[0025] Figure 4 It is a schematic diagram of the driving mechanism structure of the present invention;

[0026] Figure 5 It is a partial cross-sectional view of the rotary drum of the present invention;

[0027] Figure 6 It is a schematic diagram of the differential mechanism structure of the present invention;

[0028] Figure 7 It is a schematic diagram of the regeneration gas circuit structure of the present invention;

[0029] Figure 8 It is a schematic diagram of the drying gas circuit structure of the present invention.

[0030] In the figure: 1, chassis; 2, drying barrel; 3, humidity tester; 4, box; 5, air circuit assembly; 51, rotary mechanism; 511, bottom plate; 512, top cover; 5121, drying air outlet; 5122, regeneration air inlet; 5123, cooling air inlet; 5124, through hole; 513, spring rod; 514, driving mechanism; 5141, servo motor; 5142, pulley; 5143, tensioning wheel; 5144, speed sensor; 515, rotating wheel; 516, bottom cover; 5161, drying air inlet; 5162, regeneration air outlet; 5163, cooling air outlet; 517, cylinder wall; 5171, arc rack; 518, honeycomb turntable; 5181, drying zone; 5182, regeneration zone; 5183, cooling zone; 519, differential mechanism; 5191, rod wall; 5192, shaft body; 51921, semi-arc groove; 5193, convex rod; 52, drying gas path; 521, drying fan; 522, cooler; 523, return air filter; 524, drying electric heating; 53, regeneration gas path; 531, regeneration fan; 532, regeneration filter; 533, regeneration electric heating; 54, cooling gas path; 541, first three-way pipe; 542, second three-way pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figure 1 , Figure 2 , Figure 7 As shown, the present invention provides a technical solution of a rotary drying and dehumidifying equipment with a moisture content monitoring function, including a base frame 1, a drying barrel 2, a humidity tester 3, a box body 4 and an air circuit assembly 5. The base frame 1 is fixedly connected to the drying barrel 2 and the box body 4. The drying barrel 2 is fixedly connected to the humidity tester 3. The humidity tester 3 is arranged at the bottom of the drying barrel 2. The box body 4 is fixedly connected to the air circuit assembly 5. The air circuit assembly 5 includes a drying air circuit 52. The drying air circuit 52 includes a return air filter 523 and a drying electric heater 524. The return air filter 523 and the drying electric heater 524 are both connected to the drying barrel 2 through pipelines.

[0033] The present invention is a drying and dehumidifying device for drying plastic raw materials. The high-pressure wind generated by the drying gas circuit 52 is dehumidified by the rotating mechanism 51 to form low-dew-point drying wind, which is heated by the drying electric heater 524 and then passed into the drying barrel 2 to dry the plastic raw materials. The humidity tester 3 is installed at the bottom of the drying barrel 2, and the moisture content of the rubber raw materials is detected contactlessly by infrared technology. The dry return air is cooled and filtered by the return air filter 523 before returning to the rotating mechanism 51 to form a closed cycle. The air volume generated by the gas circuit assembly 5 is heated again by electric heating to remove moisture from the adsorption honeycomb in the rotating mechanism 51, and the rotating mechanism 51 continuously rotates to complete dehumidification and regeneration.

[0034] like Figure 2 , Figure 7 , Figure 8 As shown, the gas circuit assembly 5 also includes a rotating mechanism 51 and a regeneration gas circuit 53. The rotating mechanism 51 includes a base plate 511. The drying gas circuit 52 also includes a drying fan 521 and a cooler 522. The regeneration gas circuit 53 also includes a regeneration fan 531, a regeneration filter 532 and a regeneration electric heater 533. The base plate 511, the drying fan 521, the cooler 522, the return air filter 523, the drying electric heater 524, the regeneration fan 531, the regeneration filter 532 and the regeneration electric heater 533 are all fixedly connected to the box body 4.

[0035] The high-pressure air generated by the drying fan 521 is dehumidified by the rotating mechanism 51 to form low-dew-point dry air, which is heated by the drying electric heater 524 and then passed into the drying barrel 2. The dry return air passes through the cooler 522 and the return air filter 523 and then returns to the rotating mechanism 51, forming a closed cycle. The regeneration fan 531 generates air volume after filtering through the regeneration filter 532, which is heated again by the regeneration electric heater 533 and then passed into the rotating mechanism 51.

[0036] like Figure 3 , Figure 4 As shown, the rotating mechanism 51 also includes a top cover 512, a spring rod 513, a driving mechanism 514 and a rotating wheel cylinder 515. The top cover 512 is provided with a through hole 5124. The through hole 5124 and the spring rod 513 are provided in a plurality of groups. The plurality of through holes 5124 and the spring rod 513 are evenly distributed along the circumference of the top cover 512. The spring rod 513 is fixedly connected to the bottom plate 511 and the through hole 5124. The rotating wheel cylinder 515 includes a bottom cover 516 and a cylinder wall 517. An arc rack 5171 is provided on the cylinder wall 517. The bottom cover 516 is fixedly connected to the bottom plate 511. The cylinder wall 517 is rotatably connected to the top cover 512. The driving mechanism 514 includes a pulley 5142 and a tensioning wheel 5143. The pulley 5142, the tensioning wheel 5143 and the arc rack 5171 are connected through a belt drive.

[0037] The bottom cover 516 is assembled on the bottom plate 511, and the spring rod 513 is assembled to the top cover 512 through the through hole 5124. The humid air is transported into the rotor cylinder 515 by the fan. When the water vapor molecules flow through the channel, they will contact the surface of the adsorbent. The water molecules are adsorbed and retained due to the intermolecular force, thereby achieving air dehumidification. Through the belt transmission between the pulley 5142, the tensioning wheel 5143 and the arc rack 5171, the cylinder wall 517 rotates slowly, and the part that has been adsorbed with water is transferred out of the drying area 5181 and into the regeneration area 5182.

[0038] like Figure 4 As shown, the driving mechanism 514 also includes a servo motor 5141 and a speed sensor 5144. The servo motor 5141 and the tensioning pulley 5143 are both fixedly connected to the base plate 511. The output end of the servo motor 5141 is fixedly connected to the pulley 5142. The pulley 5142 and the tensioning pulley 5143 are connected via a belt drive. The speed sensor 5144 is fixedly connected to the spring rod 513. The speed sensor 5144 is in contact with the cylinder wall 517. The servo motor 5141 and the speed sensor 5144 are connected via electrical signals.

[0039] The servo motor 5141 outputs a fixed axis torque to the pulley 5142, and the pulley 5142 contacts the tensioning belt with the tensioning wheel 5143 to transmit the torque to the cylinder wall 517. The speed sensor 5144 contacts the surface of the cylinder wall 517, monitors the rotation speed of the wheel in real time, and feeds back to the controller. The controller compares the set rotation speed with the actual rotation speed, uses an algorithm to accurately control the power supply frequency or voltage of the servo motor 5141, corrects the rotation speed deviation, and maintains the cylinder wall 517 to rotate at a uniform speed.

[0040] like Figure 5 , Figure 6 As shown, the rotary drum 515 also includes a honeycomb turntable 518 and a differential mechanism 519. The honeycomb turntable 518 and the differential mechanism 519 are each provided with a plurality of groups. The plurality of groups of honeycomb turntables 518 and differential mechanisms 519 are linearly evenly distributed along the axis of the drum wall 517. The drum wall 517 is rotatably connected to the bottom cover 516. The drum wall 517 is fixedly connected to a group of honeycomb turntables 518 near the bottom cover 516. The differential mechanism 519 includes a rod wall 5191. The honeycomb turntable 518 is fixedly connected to the rod wall 5191. A drying zone 5181, a regeneration zone 5182 and a cooling zone 5183 are provided on the honeycomb turntable 518. The drying zone 5181 occupies three quarters of the honeycomb turntable 518, the regeneration zone 5182 occupies one sixth of the honeycomb turntable 518, and the cooling zone 5183 occupies one twelfth of the honeycomb turntable 518.

[0041] The high-pressure wind generated by the drying fan 521 passes through the honeycomb turntable 518 and the dense honeycomb-shaped channels. The channel surface is evenly coated with an adsorbent with a strong moisture absorption capacity. When the water vapor molecules flow through the channel, they will contact the surface of the adsorbent. Since the adsorbent is porous and has a large specific surface area, the water molecules are adsorbed and retained by the intermolecular force, forming a low dew point dry wind. The drying area 5181 occupies three quarters of the honeycomb turntable 518, which can handle large air volume and high humidity air. The moisture absorption area range is expanded, the adsorption time can be extended, and the single adsorption effect is improved. The dry return air that completes the cooling of the plastic raw materials passes through the cooler 522 and the return air filter 523 and then returns to the rotary mechanism 51 to form a closed cycle. The honeycomb turntable 518 rotates to transfer the channel in the drying area 5181 to the regeneration area 5182. The regeneration fan 531 passes through the regeneration filter 5 The air volume generated by 32 filtration is heated again by the regeneration electric heat 533 and passed into the rotating mechanism 51. The high-temperature hot air is used to remove moisture and restore the adsorption capacity of the honeycomb channel. A cooling zone 5183 is added. The temperature of the adsorbent after regeneration is relatively high. If it is directly returned to the drying zone 5181, the temperature of the dried air will rise. The cooling zone 5183 cools down by air cooling or water cooling to return the adsorbent and air to a suitable temperature. Several groups of honeycomb turntables 518 linearly and evenly distributed along the axis of the cylinder wall 517 rotate in sequence with the cylinder wall 517. Through the differential mechanism 519, the areas between adjacent honeycomb turntables 518 are dislocated. The gas entering the next-level honeycomb turntable 518 enters the honeycomb channel that has just been regenerated. The moisture absorption capacity of the honeycomb channel is at its maximum value, which speeds up the regeneration of the adsorbent and prevents the subsequent moisture absorption efficiency from being affected due to untimely regeneration.

[0042] like Figure 6 As shown, the differential mechanism 519 also includes a shaft body 5192 and a protruding rod 5193 . The protruding rod 5193 is fixedly connected to the shaft body 5192 . A semi-arc groove 51921 is provided on the shaft body 5192 . The protruding rod 5193 contacts an adjacent semi-arc groove 51921 .

[0043] The cylinder wall 517 drives the bottom honeycomb turntable 518 to rotate, and the bottom honeycomb turntable 518 drives the bottom shaft body 5192 to rotate. The protruding rod 5193 is assembled on the shaft body 5192 to contact the adjacent semi-arc groove 51921. When the bottom honeycomb turntable 518 rotates one hundred and eighty degrees, the protruding rod 5193 slides to the end in the adjacent semi-arc groove 51921, driving the adjacent honeycomb turntable 518 to rotate, thereby achieving the effect of adjacent honeycomb turntables 518 rotating in sequence and regional staggered.

[0044] like Figure 2 , Figure 7 , Figure 8As shown, the air circuit assembly 5 also includes a cooling air circuit 54, which includes a first three-way pipe 541 and a second three-way pipe 542. A drying air outlet 5121 and a cooling air inlet 5123 are provided on the top cover 512, and a drying air inlet 5161 and a cooling air outlet 5163 are provided on the bottom cover 516. The cooler 522 is connected to the drying fan 521 through a pipeline, the first three-way pipe 541 is connected to the drying air outlet 5121, the cooling air inlet 5123, and the drying electric heater 524 through pipelines, and the second three-way pipe 542 is connected to the return air filter 523, the cooler 522, and the cooling air outlet 5163 through pipelines.

[0045] The high-pressure wind generated by the drying fan 521 is first passed into the cooler 522, and is initially cooled and passed into the rotary drum 515 through the drying air inlet 5161, and passes through the drying area 5181 of the honeycomb turntable 518 to form low dew point drying wind. Subsequently, the low-temperature drying wind passes through the drying air outlet 5121 and the first three-way pipe 541. A part of the wind is heated by the drying electric heater 524 and then passed into the drying barrel 2, and the other part is cooled by the cooling area 5183 of the honeycomb turntable 518 through the cooling air inlet 5123. The cooled gas flows back to the cooler 522 through the second three-way pipe 542, and the dry return air passes through the cooler 522 and the return air filter 523 and then returns to the rotating mechanism 51, forming a closed cycle.

[0046] like Figure 2 , Figure 7 , Figure 8 As shown, a regeneration air inlet 5122 is also provided on the top cover 512, and a regeneration air outlet 5162 is also provided on the bottom cover 516. The regeneration fan 531 is connected to the regeneration filter 532 and the regeneration electric heater 533 through pipelines. The regeneration air inlet 5122 is connected to the regeneration electric heater 533 through pipelines, and the regeneration air outlet 5162 is adjacent to the drying air inlet 5161 and the cooling air outlet 5163.

[0047] The regeneration fan 531 generates air through filtering through the regeneration filter 532, and enters through the regeneration electric heater 533 and the regeneration air inlet 5122 to provide high-temperature hot air for the regeneration area 5182 of the honeycomb turntable 518, and uses the high-temperature hot air to remove moisture and restore the adsorption capacity of the honeycomb channel, and then it is discharged from the regeneration air outlet 5162.

[0048] Working principle of the present invention: The high-pressure air generated by the drying fan 521 is first introduced into the cooler 522, and is initially cooled and passed through the drying air inlet 5161 to the rotary drum 515 and the drying area 5181 of the honeycomb turntable 518 to form low dew point drying air. Subsequently, the low-temperature drying air passes through the drying air outlet 5121 and the first three-way pipe 541. A part of the low-temperature drying air is heated by the drying electric heater 524 and then passed into the drying barrel 2 to dry the plastic raw material. The moisture content of the raw material is detected by the humidity tester 3, and the other part passes through the cooling air inlet 5123. The cooling zone 5183 of the honeycomb turntable 518 is cooled, and the cooled gas flows back to the cooler 522 through the second three-way pipe 542. The dry return air passes through the cooler 522 and the return air filter 523 and then returns to the rotary mechanism 51 to form a closed cycle. The regeneration fan 531 generates air volume through the regeneration filter 532, and passes through the regeneration electric heater 533 and the regeneration air inlet 5122 to provide high-temperature hot air for the regeneration zone 5182 of the honeycomb turntable 518. The high-temperature hot air removes moisture and restores the honeycomb. The adsorption capacity of the shaped channel is increased, and then it is discharged from the regeneration outlet 5162. The drying area 5181 occupies three quarters of the honeycomb turntable 518, which can handle large air volume and high humidity air. The range of the moisture absorption area is expanded, the adsorption time can be extended, and the single adsorption effect is improved. The honeycomb turntable 518 rotates to transfer the channel located in the drying area 5181 to the regeneration area 5182, and a cooling area 5183 is added. The temperature of the adsorbent after regeneration is relatively high. If it is directly returned to the drying area 5181, the temperature of the air after drying will rise. The cooling zone 5183 cools down by means of air cooling or water cooling, so that the adsorbent and the air return to the appropriate temperature. Several groups of honeycomb turntables 518 linearly and evenly distributed along the axis of the cylinder wall 517 rotate in sequence with the cylinder wall 517. Through the differential mechanism 519, the areas between adjacent honeycomb turntables 518 are staggered, and the gas entering the next level of honeycomb turntable 518 enters the honeycomb channel that has just been regenerated. The moisture absorption capacity of the honeycomb channel is at its maximum, which speeds up the regeneration speed of the adsorbent and prevents the subsequent moisture absorption efficiency from being dragged down due to untimely regeneration.

[0049] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A rotary drying and dehumidifying device with a moisture content monitoring function, characterized in that: The dehumidification equipment comprises a base frame (1), a drying barrel (2), a humidity tester (3), a box (4) and an air circuit assembly (5); the base frame (1) is fixedly connected to the drying barrel (2) and the box (4); the drying barrel (2) is fixedly connected to the humidity tester (3); the humidity tester (3) is arranged at the bottom of the drying barrel (2); the box (4) is fixedly connected to the air circuit assembly (5); the air circuit assembly (5) comprises a drying air circuit (52); the drying air circuit (52) comprises a return air filter (523) and a drying electric heater (524); the return air filter (523) and the drying electric heater (524) are connected to the drying barrel (2) via pipelines; The gas circuit assembly (5) further comprises a rotary mechanism (51) and a regeneration gas circuit (53); The rotary mechanism (51) further comprises a top cover (512), a spring rod (513), a driving mechanism (514), and a rotary drum (515); the rotary drum (515) comprises a bottom cover (516) and a drum wall (517); The rotating wheel barrel (515) further comprises a honeycomb rotating disk (518) and a differential mechanism (519), wherein the honeycomb rotating disk (518) and the differential mechanism (519) are provided in a plurality of groups, wherein the plurality of groups of the honeycomb rotating disk (518) and the differential mechanism (519) are linearly evenly distributed along the axis of the barrel wall (517), wherein the barrel wall (517) is rotationally connected to the bottom cover (516), and the barrel wall (517) is fixedly connected to a group of honeycomb rotating disks (518) close to the bottom cover (516), and the differential mechanism (519) is fixedly connected to the bottom cover (516). 19) comprises a rod wall (5191), the honeycomb turntable (518) is fixedly connected to the rod wall (5191), and the honeycomb turntable (518) is provided with a drying area (5181), a regeneration area (5182) and a cooling area (5183), the drying area (5181) occupies three quarters of the honeycomb turntable (518), the regeneration area (5182) occupies one sixth of the honeycomb turntable (518), and the cooling area (5183) occupies one twelfth of the honeycomb turntable (518).

2. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 1 is characterized in that: The rotary mechanism (51) comprises a bottom plate (511), the drying air circuit (52) further comprises a drying fan (521) and a cooler (522), the regeneration air circuit (53) further comprises a regeneration fan (531), a regeneration filter (532) and a regeneration electric heater (533), and the bottom plate (511), the drying fan (521), the cooler (522), the return air filter (523), the drying electric heater (524), the regeneration fan (531), the regeneration filter (532) and the regeneration electric heater (533) are all fixedly connected to the housing (4).

3. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 2 is characterized in that: The top cover (512) is provided with a through hole (5124), and the through holes (5124) and spring rods (513) are provided in a plurality of groups. The plurality of through holes (5124) and spring rods (513) are evenly distributed along the circumference of the top cover (512). The spring rods (513) are fixedly connected to the bottom plate (511) and the through holes (5124). An arc rack (5171) is provided on the cylinder wall (517). The bottom cover (516) is fixedly connected to the bottom plate (511). The cylinder wall (517) is rotatably connected to the top cover (512). The driving mechanism (514) comprises a pulley (5142) and a tensioning wheel (5143). The pulley (5142), the tensioning wheel (5143) and the arc rack (5171) are connected via a belt transmission.

4. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 3 is characterized in that: The driving mechanism (514) further comprises a servo motor (5141) and a speed sensor (5144); the servo motor (5141) and the tensioning wheel (5143) are both fixedly connected to the bottom plate (511); the output end of the servo motor (5141) is fixedly connected to the belt pulley (5142); the belt pulley (5142) and the tensioning wheel (5143) are connected via a belt transmission; the speed sensor (5144) is fixedly connected to the spring rod (513); the speed sensor (5144) is in contact with the cylinder wall (517); and the servo motor (5141) and the speed sensor (5144) are connected via an electrical signal.

5. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 1, characterized in that: The differential mechanism (519) further comprises a shaft body (5192) and a protruding rod (5193), wherein the protruding rod (5193) is fixedly connected to the shaft body (5192), a semi-arc groove (51921) is provided on the shaft body (5192), and the protruding rod (5193) is in contact with an adjacent semi-arc groove (51921).

6. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 3 is characterized in that: The air circuit assembly (5) further comprises a cooling air circuit (54), wherein the cooling air circuit (54) comprises a first three-way pipe (541) and a second three-way pipe (542); the top cover (512) is provided with a drying air outlet (5121) and a cooling air inlet (5123); the bottom cover (516) is provided with a drying air inlet (5161) and a cooling air outlet (5163); the cooler (522) is connected to the drying fan (521) via a pipeline; the first three-way pipe (541) is connected to the drying air outlet (5121), the cooling air inlet (5123), and the drying electric heater (524) via a pipeline; and the second three-way pipe (542) is connected to the return air filter (523), the cooler (522), and the cooling air outlet (5163) via a pipeline.

7. The rotary drying and dehumidifying equipment with moisture content monitoring function according to claim 4, characterized in that: The top cover (512) is also provided with a regeneration air inlet (5122), and the bottom cover (516) is also provided with a regeneration air outlet (5162); the regeneration fan (531) is connected to the regeneration filter (532) and the regeneration electric heater (533) via pipelines; the regeneration air inlet (5122) is connected to the regeneration electric heater (533) via pipelines; and the regeneration air outlet (5162) is adjacent to the drying air inlet (5161) and the cooling air outlet (5163).

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