CN118082036B - Plastic granules drying device - Google Patents
Plastic granules drying device Download PDFInfo
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- CN118082036B CN118082036B CN202410488801.0A CN202410488801A CN118082036B CN 118082036 B CN118082036 B CN 118082036B CN 202410488801 A CN202410488801 A CN 202410488801A CN 118082036 B CN118082036 B CN 118082036B
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- drying
- drying box
- plastic particles
- conveying
- transmission
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- 238000001035 drying Methods 0.000 title claims abstract description 195
- 229920000426 Microplastic Polymers 0.000 title claims description 29
- 229920003023 plastic Polymers 0.000 claims abstract description 141
- 239000004033 plastic Substances 0.000 claims abstract description 141
- 239000002245 particle Substances 0.000 claims abstract description 138
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 230000005540 biological transmission Effects 0.000 claims abstract description 92
- 238000007599 discharging Methods 0.000 claims abstract description 63
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 15
- 238000007790 scraping Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 25
- 238000005096 rolling process Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a plastic particle drying device, which belongs to the field of plastic particle drying processing and comprises a drying box, wherein an introduction mechanism for introducing plastic particles is arranged at the top of the drying box, a hot air blower for drying the plastic particles is arranged at the top of one side of the introduction mechanism of the drying box, a transmission mechanism for moving the plastic particles is arranged in the drying box, a gas dehumidifying and filtering unit aligned to one side of the transmission mechanism is arranged at one side of the drying box, and a discharge mechanism for discharging the dried plastic particles is arranged at the bottom of the drying box; the invention can realize the component treatment of a large number of plastic particles, so that a small number of plastic particles can be rolled in a space, the blockage is less in the rolling process of a small number of plastic particles, the contact time of the surface with hot air flow is long, the contact surface is more, the overall heating effect of the plastic particles is improved, and the conditions that the surface cannot be heated in all directions and the drying effect is poor when a large number of plastic particles are piled up to roll are avoided.
Description
Technical Field
The invention relates to the field of plastic particle drying processing, in particular to a plastic particle drying device.
Background
The plastic product is plastic granules before manufacturing, and when plastic granules are processed, cleaning treatment is needed, and through removing impurities such as dust on the surfaces of the plastic granules, the surfaces of the plastic granules can be kept clean, so that excessive impurities can not appear in the plastic product during production and processing, the quality of products is reduced, liquid can be used in the cleaning process of the plastic granules, and at the moment, a dryer is needed to dry the liquid on the surfaces of the plastic granules, so that better finished products can be obtained in the injection molding or extrusion process.
When plastic granules adds, need dry earlier just can process, and processing demand is big generally, therefore when plastic granules put into drying device inside, can pour a large amount of plastic granules into inside the drying device, but a large amount of plastic granules must appear being heated inhomogeneous phenomenon, current drying device can set up a rabbling mechanism in the inside of device in order to solve a large amount of plastic granules and be heated inhomogeneous problem in drying device inside, just so can realize the inside plastic granules of drying device constantly roll, but because plastic granules quantity is more, even when rolling, plastic granules's surface also is difficult to better with the hot air current contact, and contact cycle is short, still there is the condition that drying effect is poor still.
Disclosure of Invention
Aiming at the problem of poor drying effect of plastic particles in the prior art, the invention aims to provide a plastic particle drying device.
In order to solve the problems, the invention adopts the following technical scheme.
A plastic particle drying device comprises a drying box;
The top of the drying box is provided with an introduction mechanism for introducing plastic particles, the top of the drying box, which is positioned at one side of the introduction mechanism, is provided with a hot air blower for drying the plastic particles, the interior of the drying box is provided with a transmission mechanism for moving the plastic particles, one side of the drying box is provided with a gas dehumidifying and filtering unit aligned to one side of the transmission mechanism, and the bottom of the drying box is provided with a discharge mechanism for guiding out the dried plastic particles;
The conveying mechanism comprises a conveying motor for driving the outside of the drying box, a plurality of groups of conveying rods which are arranged by bearings are movably arranged in the inner cavity of the drying box, the outside of the conveying rods is in transmission connection with a conveying belt for conveying plastic particles, the outer wall of the conveying belt is attached to the inner wall of the drying box, drying grooves for leading in the plastic particles are uniformly formed in the outer surface of the conveying belt, and a plurality of groups of ventilation holes which are communicated with the inside of the conveying belt are formed in the drying grooves;
a hanging frame is fixedly arranged at the top of the inner cavity of the drying box, a closed net attached to the surface of the conveying belt is fixedly arranged at the bottom of the hanging frame, a combined net frame corresponding to the drying groove is arranged on the surface of the closed net, a flow dividing pipe is fixedly arranged at the hot air flow output end of the hot air blower, and three ports are offered to the shunt tubes, and one is connected at the output of air heater, and two other ports are then inserted the inner chamber of drying cabinet, equal fixed mounting has the blast pipe on the both ends port that the shunt tubes inserted the drying cabinet inner chamber, and one of them blast pipe sets up at the top of sealed net, and another blast pipe sets up at the conveyer belt inner chamber.
Further, the leading-in mechanism is including seting up the plastic granules input hole at the drying cabinet top, the fixed surface that the drying cabinet is located the input hole top installs the delivery wagon, the equipment groove has been seted up to the inner wall of delivery wagon, and the equipment groove is the slope setting towards the position of input hole place, the inside fixed mounting in equipment groove has a plurality of slide bars, the one end slidable mounting of slide bar has a storage section of thick bamboo, reset spring is installed to the one end that the slide bar is located storage section of thick bamboo top, the movable hole of accessible storage section of thick bamboo has been seted up at the top of delivery wagon, automatic piece that opens and shuts is installed to the bottom of storage section of thick bamboo, sealed lid is installed through the hinge in the top of storage section of thick bamboo.
Further, the automatic opening and closing piece comprises a locating rack fixedly installed at the bottom of an inner cavity of the conveying box, a control rod is fixedly installed at the top of the locating rack, a retaining rack is fixedly installed at the bottom of the inner cavity of the storage cylinder, a lifting rod is movably installed in the middle of the retaining rack, a locating spring is installed at one end of the lifting rod located at the bottom of the retaining rack, and a sealing block is fixedly installed at one end of the lifting rod located at the top of the retaining rack.
Further, the discharging mechanism comprises a guiding-out hole formed in the bottom of the drying oven, a discharging pipe is fixedly arranged at the bottom of the position where the guiding-out hole is formed in the drying oven, a supporting spring is arranged at the bottom of an inner cavity of the discharging pipe, a discharging frame is arranged at the top of the supporting spring, a discharging hole is formed in the side face of the discharging pipe, one side of the discharging frame is inclined, an inclined opening corresponds to the discharging hole, and a partition plate capable of sealing the guiding-out hole is fixedly arranged at the top of the discharging frame.
Further, a plurality of equidistant transmission grooves of group have been seted up to the inner wall of transmission band, the drying cabinet is located the fixed surface who transmits the band inner chamber and installs the vibrating tube, vibrating spring is installed to the inner chamber of vibrating tube, vibrating rod that can outside activity in the vibrating tube is installed to vibrating spring one end, and the one end of vibrating rod contact transmission groove inner wall is the arc setting.
Further, a guide plate which is obliquely arranged is fixedly arranged at the bottom of an inner cavity of the drying box right below the input hole, a material distributing mechanism is arranged on the side surface of the guide plate, a guide plate is fixedly arranged in the inner cavity of the drying box on one side of the material distributing mechanism, and a partition plate is fixedly arranged on the side surface of the closed net;
the material distributing mechanism comprises a movable rod which is arranged on the inner wall of the drying oven through a bearing, a steering cylinder is arranged in the middle of the movable rod, and a plurality of groups of baffle plates are arranged outside the steering cylinder.
Further, a limiting plate is fixedly arranged on one side of the inner cavity of the drying box, a conveying mechanism for conveying plastic particles is arranged at the bottom of the inner cavity of the drying box, and a scraping plate is fixedly arranged on the other side of the inner cavity of the drying box.
Further, the conveying mechanism comprises an output rod movably mounted in the drying box through a bearing, an output gear is fixedly mounted at one end of the output rod, the outer portion of the output gear is meshed with the inner portion of the drying groove, and a conveying belt is connected to the outer portion of the output rod in a transmission mode.
Further, the one end fixed mounting of output pole has the transmission wheel, and the transmission wheel passes through the inside of bearing installation at the drying cabinet, and the quantity of transmission wheel is a plurality of equidistance parallel arrangement simultaneously, a plurality of the outside transmission of transmission wheel is connected with the drive belt, every the equal fixed mounting in surface of transmission wheel has a stirring wheel for the plastic granules that rolls, the bonding has the wearing layer on the fan blade of stirring wheel.
Further, the air vent is formed in one side, connected with the gas dehumidifying and filtering unit, of the drying box, the blocking net is fixedly arranged outside the air vent, the supporting frame is fixedly arranged outside the inner cavity of the drying box, and the scraping plate wheel is movably arranged in the middle of the supporting frame.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, a large number of plastic particles can be subjected to component treatment by starting the transmission mechanism to cooperate with the closed net and the combined net frame, and a small number of plastic particles are subjected to rolling heating, so that the plastic particles are uniformly heated as a whole, and the drying effect is good; the function of reminding workers of adding plastic particles can be realized through the use of the introduction mechanism, the whole operation process of the introduction mechanism only needs to be simply assisted by manpower, other operations are all automatic operations, and an automatic part is not needed to be realized by adopting energy sources, so that the energy-saving function is realized, and in the introduction process of the plastic particles, the drying box is in a closed state, so that the heat energy loss of the introduced plastic particles is avoided;
(2) The plastic particles on the transmission mechanism can be limited by using the discharging mechanism, so that the heat dissipation work is prevented from being influenced by accumulating a large amount of plastic particles on the transmission mechanism; the plastic particles can be rolled through the conveying mechanism and the scraping plate wheel, so that the plastic particles are always in a moving state in the drying box, and are in better contact with hot air flow, and the drying effect of the plastic particles is further improved; the whole discharging process is automatically operated by using the discharging mechanism, energy driving is not needed, heat loss in the drying box is avoided, the heat energy preservation effect is good, and the overall energy utilization rate is high;
(3) The conveying mechanism and the material distributing mechanism are driven by the conveying mechanism, so that a power source is saved, and the synchronous lifting of energy loss caused by the increase of functions is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall front cross-sectional structure of the present invention;
FIG. 3 is a cross-sectional top view of the transfer mechanism of the present invention;
FIG. 4 is a front cross-sectional view of the introduction mechanism of the present invention;
FIG. 5 is a schematic diagram of a front cross-sectional view of the discharge mechanism of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 7 is a schematic top sectional view of the feed mechanism of the present invention in the interior of the drying oven;
FIG. 8 is a cross-sectional elevation view of the internal transport mechanism of the drying oven of the present invention;
Fig. 9 is a schematic top sectional view of the inner scraper wheel assembly of the drying oven according to the present invention.
The reference numerals in the figures illustrate:
1. A drying box;
2. An introduction mechanism; 201. an input hole; 202. a delivery box; 203. an assembly groove; 204. a slide bar; 205. a storage cylinder; 206. a return spring; 207. a movable hole; 208. an automatic opening and closing member; 2081. a positioning frame; 2082. a control lever; 2083. a retention frame; 2084. a lifting rod; 2085. a positioning spring; 2086. a closing block; 209. sealing cover;
3. an air heater;
4. a transmission mechanism; 401. a transmission motor; 402. a transmission rod; 403. a transmission belt; 404. a drying tank; 405. ventilation holes;
5. a gas dehumidifying and filtering unit;
6. A discharging mechanism; 601. a lead-out hole; 602. a discharge pipe; 603. a support spring; 604. a discharging frame; 605. a discharge hole; 606. a partition plate;
7. A hanging frame; 8. a closed net; 9. combining the grid-connected frames; 10. a shunt; 11. an exhaust pipe; 12. a transmission groove; 13. a vibrating tube; 14. a vibration spring; 15. a vibrating rod; 16. a guide plate;
17. A material distributing mechanism; 1701. a movable rod; 1702. a steering cylinder; 1703. a baffle plate;
18. A guide plate; 19. a dividing plate; 20. a limiting plate;
21. a conveying mechanism; 2101. an output lever; 2102. an output gear; 2103. a conveyor belt;
22. A scraping plate; 23. a transfer wheel; 24. a transmission belt; 25. a stirring wheel; 26. a wear-resistant layer; 27. a vent hole; 28. a barrier web; 29. a support frame; 30. a scraper wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 9, a plastic particle drying apparatus includes a drying box 1;
The top of the drying box 1 is provided with an introducing mechanism 2 for introducing plastic particles, the introducing mechanism 2 is used for introducing the plastic particles into the drying box 1 for drying treatment, the top of the drying box 1 at one side of the introducing mechanism 2 is provided with a hot air blower 3 for drying the plastic particles, the inside of the drying box 1 is heated after the hot air blower 3 is started, the hot air blower 3 belongs to the prior art, and the function of the hot air blower is also to manufacture hot air flow, so the application is not described in detail, the drying box 1 is internally provided with a conveying mechanism 4 for moving the plastic particles, the conveying mechanism 4 is used for conveying the plastic particles, the automatic movement of the plastic particles in the drying box 1 is realized, one side of the drying box 1 is provided with a gas dehumidifying and filtering unit 5 aligned to one side of the conveying mechanism 4, and the drying of the plastic particles are subjected to drying treatment by starting the gas dehumidifying and filtering unit 5, and finally the moisture generated by drying is circulated into the drying box 1, so the drying performance of the inside of the drying box 1 is ensured, the gas dehumidifying and filtering unit 5 belongs to one of the common combined equipment of the drying device, and the function of the hot air drying treatment is performed by drying treatment of the wet air, therefore the application is disclosed in detail, the technical that the plastic particles are not discharged from the drying box 1 and the bottom of the drying box 1 is discharged by the drying mechanism 6 and the plastic particles are discharged after the drying treatment is introduced by the drying mechanism 6;
The conveying mechanism 4 comprises a conveying motor 401 arranged on the outside of the drying box 1 and used for driving, a plurality of groups of conveying rods 402 arranged by bearings are movably arranged in the inner cavity of the drying box 1, a conveying belt 403 used for conveying plastic particles is connected to the outer transmission of the conveying rods 402, the outer wall of the conveying belt 403 is attached to the inner wall of the drying box 1, a drying groove 404 used for guiding the plastic particles is uniformly formed in the outer surface of the conveying belt 403, a plurality of groups of ventilation holes 405 penetrating the inside of the conveying belt 403 are formed in the drying groove 404, the conveying rods 402 can be driven to rotate after the conveying motor 401 is electrified, and the conveying belt 403 can be driven to operate by the rotating conveying rods 402, so that the conveying belt 403 can realize the conveying work of the plastic particles;
The top of the inner cavity of the drying box 1 is fixedly provided with a hanging frame 7, the bottom of the hanging frame 7 is fixedly provided with a closed net 8 attached to the surface of a transmission belt 403, the surface of the closed net 8 is provided with a combined net frame 9 corresponding to a drying groove 404, the hot air flow output end of the air heater 3 is fixedly provided with a shunt tube 10, the shunt tube 10 is provided with three ports, one port is connected with the output end of the air heater 3, the other two ports are inserted into the inner cavity of the drying box 1, the shunt tube 10 is inserted into the two end ports of the inner cavity of the drying box 1, exhaust pipes 11 are fixedly arranged on the two end ports of the inner cavity of the drying box 1, one exhaust pipe 11 is arranged at the top of the closed net 8, the other exhaust pipe 11 is arranged in the inner cavity of the transmission belt 403, the transmission belt 403 drives to transport plastic particles through the cooperation of the transmission belt 402 under the driving of the transmission motor 401, the transmission belt 403 rotates clockwise, and the plastic particles are blocked by the closed net 8 at the bottom of the hanging frame 7, at this time, plastic particles gradually drop into the drying groove 404 on the conveyor belt 403 due to accumulation, and the inner space of the drying groove 404 is small, so that a small amount of plastic particles can be filled each time, thus a large amount of plastic particles can be subjected to component treatment through a plurality of drying grooves 404, the situation that the surface of the plastic particles is heated unevenly or can not be heated is avoided, when the drying groove 404 moves to the bottom of the grid-connected frame 9 on the closed net 8, the plastic particles enter the position of the exhaust pipe 11, the air heater 3 is started at this time, the air heater 3 can carry out hot air flow transmission on the two exhaust pipes 11 through the shunt pipes 10, the top exhaust pipe 11 carries out hot air flow transmission on the inner part of the drying groove 404 through the ventilation holes 405, the two exhaust pipes 11 are correspondingly arranged up and down, the two parts comprise a conveying belt 403, at the moment, air flow transmission can be carried out by utilizing the air holes 405 on the conveying belt 403, and the two exhaust pipes 11 can dry plastic particles from the upper position and the lower position, so that the plastic particles in the drying groove 404 can rapidly roll in a space formed by combining the screen frames 9 through the air flow led in by the exhaust pipes 11, so that a small amount of plastic particles can better contact with hot air flow when rolling, the whole drying effect can be improved, and the condition that the surfaces of the plastic particles are unevenly heated or the parts of the plastic particles cannot be heated is avoided;
the transmission mechanism 4 cooperates the sealed net 8 and merges the net frame 9 and can carry out the weight to a large amount of plastic granules and handle, rolls through to a small amount of plastic granules for plastic granules can be better be heated, and whole degree of consistency that is heated is high, and is effectual to dry.
As shown in fig. 1, 2 and 4, the introducing mechanism 2 comprises a plastic particle input hole 201 formed in the top of the drying box 1, a conveying box 202 is fixedly arranged on the surface of the drying box 1, which is positioned at the top of the input hole 201, an assembling groove 203 is formed in the inner wall of the conveying box 202, and the assembling groove 203 is obliquely arranged towards the position of the input hole 201, so that when plastic particles enter the conveying box 202, the plastic particles can accurately move through the input hole 201 to enter the drying box 1, a plurality of sliding rods 204 are fixedly arranged in the assembling groove 203, one ends of the sliding rods 204 are slidably provided with a storage cylinder 205, the storage cylinder 205 can slide on the sliding rods 204 in an up-down position, the position of the storage cylinder 205 is prevented from being changed when the storage cylinder 205 moves up and down, the whole movement stability is good, one end of the sliding rod 204, which is positioned at the top of the storage cylinder 205, is provided with a reset spring 206, the reset spring 206 can pull the storage cylinder 205 to move up and down, when no plastic particles exist in the storage cylinder 205, the reset spring 206 can pull one end of the storage cylinder 205 to protrude out of the conveying box 202, otherwise, when a large amount of plastic particles exist in the storage cylinder 205, the storage cylinder 205 can move down in the conveying box 202 due to the weight generated by combining the storage cylinder 205 with the large amount of plastic particles, in the process of moving the storage cylinder 205 up and down, no additional energy is needed, the top of the conveying box 202 is provided with a movable hole 207 through which the storage cylinder 205 can pass, one end of the storage cylinder 205 moves up and down on the conveying box 202 through the movable hole 207, the bottom of the storage cylinder 205 is provided with an automatic opening and closing piece 208, the automatic opening and closing piece 208 is used for opening the bottom of the storage cylinder 205, so that the plastic particles in the storage cylinder 205 can be guided into the drying box 1, the top of the storage cylinder 205 is provided with a sealing cover 209 through a hinge, and the sealing cover 209 is used for opening or closing the top of the storage cylinder 205;
The automatic opening and closing piece 208 comprises a positioning frame 2081 fixedly installed at the bottom of the inner cavity of the conveying box 202, a control rod 2082 is fixedly installed at the top of the positioning frame 2081, a positioning frame 2083 is fixedly installed at the bottom of the inner cavity of the storage cylinder 205, a lifting rod 2084 is movably installed in the middle of the positioning frame 2083, a positioning spring 2085 is installed at one end of the lifting rod 2084 positioned at the bottom of the positioning frame 2083, a sealing block 2086 is fixedly installed at one end of the lifting rod 2084 positioned at the top of the positioning frame 2083, and the sealing block 2086 can be designed into a conical shape, so that plastic particles can be guided to slide, and plastic particle residues in the storage cylinder 205 are avoided;
The sealing cover 209 is manually pulled open, the storage barrel 205 is opened, a large amount of plastic particles needing to be dried are poured into the storage barrel, and the sealing cover 209 is closed after the pouring is finished, so that the top of the storage barrel 205 is sealed, and when the sealing cover 209 on the storage barrel 205 is closed and needs to descend at the position of the storage barrel 205, the situation that the top and the bottom of the storage barrel 205 are opened is avoided;
As the weight inside the storage barrel 205 increases, the storage barrel 205 moves downwards along the limitation of the position of the sliding rod 204 on the assembly groove 203 inside the conveying box 202, the return spring 206 is synchronously pulled while the storage barrel 205 moves downwards, so that the stretching effect of the return spring 206 is realized, when the bottom of the lifting rod 2084 on the storage barrel 205 is contacted with the control rod 2082, the pressure of the control rod 2082 for upwards extruding the lifting rod 2084 is larger along with the increase of the descending depth of the storage barrel 205, so that the lifting rod 2084 moves towards the upper part of the inner cavity of the storage barrel 205 along the retainer 2083, the lifting rod 2084 moves upwards and simultaneously extrudes the positioning spring 2085, the sealing block 2086 at the top of the lifting rod 2084 moves upwards synchronously, and the bottom of the storage barrel 205 can be opened along with the upward movement of the sealing block 2086, and at the moment, plastic particles inside the storage barrel 205 can enter the drying box 1 through the bottom input hole 201 of the conveying box 202 for drying treatment;
When the introduction of plastic particles in the storage cylinder 205 is completed, the storage cylinder 205 is reset along with the reduction of the whole weight of the storage cylinder 205, and then one end of the storage cylinder 205 protrudes out of the conveying box 202 again through the movable hole 207, so that the function of reminding workers to add plastic particles again is achieved, the control rod 2082 does not generate extrusion force on the lifting rod 2084 along with the lifting of the storage cylinder 205, the lifting rod 2084 can restore the synchronous position under the automatic release expansion of the compressed positioning spring 2085, and the sealing block 2086 is driven to seal the bottom of the storage cylinder 205 at the moment, so that the bottom of the storage cylinder 205 is in a sealing state when plastic particles are injected into the storage cylinder 205, the drying box 1 is in a sealing state, the sealing cover 209 is closed again after the introduction of plastic particles into the drying box 1, the top of the storage cylinder 205 is still closed only by opening the automatic opening and closing piece 208, the whole drying box 1 is still not opened, the heat energy loss rate is greatly reduced in the whole process, and the heat energy loss is not greatly reduced;
The dual sealing function is realized through setting up sealed lid 209 and automatic piece 208 that opens and shuts on the leading-in mechanism 2, and at the in-process of injecting plastic granules, still can realize the inside closure of drying cabinet 1, just so can avoid the inside quick loss of heat energy of drying cabinet 1, avoid because the energy loss that supplements the inside heat energy of drying cabinet 1 and appear is too big, the use of leading-in mechanism 2 need not to adopt extra energy simultaneously, except sealed lid 209 needs to carry out manual switching, other steps are automated operation, energy loss has still been saved to the energy utilization rate is high like this again, and along with the automatic rising of storage cylinder 205, also played the function of suggestion staff interpolation plastic granules.
As shown in fig. 1,2 and 5, the discharging mechanism 6 comprises a discharging hole 601 formed in the bottom of the drying oven 1, a discharging pipe 602 is fixedly arranged at the bottom of the position of the discharging hole 601, a supporting spring 603 is arranged at the bottom of an inner cavity of the discharging pipe 602, a discharging frame 604 is arranged at the top of the supporting spring 603, a discharging hole 605 is formed in the side face of the discharging pipe 602, one side of the discharging frame 604 is inclined, an inclined opening corresponds to the discharging hole 605, a separation plate 606 capable of sealing the discharging hole 601 is fixedly arranged at the top of the discharging frame 604, the discharging hole 601 is divided into an upper layer and a lower layer, the diameter of the upper layer is larger than that of the lower layer, the upper layer of the discharging hole 601 is inclined downwards, the separation plate 606 can only seal the lower layer of the discharging hole 601, and thus plastic particles in the subsequent discharging hole 601 can only enter the upper layer of the discharging hole 601, and after the lower layer of the discharging hole 601 is opened, the plastic particles in the upper layer of the discharging hole 601 can directly pass through the lower layer of the discharging hole 601;
When the plastic particles in the drying box 1 are guided out, the guided out plastic particles enter the material discharging frame 604 through the guiding-out holes 601 in the drying box 1, larger pressure is caused to the material discharging frame 604 along with the increase of the quantity of the plastic particles on the material discharging frame 604, the material discharging frame 604 automatically descends in the material discharging pipe 602 when the extrusion force received by the material discharging frame 604 is overlarge, the material discharging frame 604 descends and simultaneously extrudes the supporting springs 603, when the inclined surface of the material discharging frame 604 descends to the position of the material discharging holes 605, the plastic particles on the material discharging frame 604 can be guided out through the material discharging holes 605, and when the plastic particles are guided out through the material discharging holes 605, the partition plate 606 on the material discharging frame 604 synchronously descends, so that the guiding-out holes 601 can be sealed, at the moment, the drying box 1 is still in a sealed state, the heat energy is prevented from being released along with the guiding-out of the plastic particles, the heat preservation effect is realized, and the loss on energy is also reduced;
The discharging mechanism 6 is used for guiding out plastic particles, the whole guiding-out process realizes automatic switching through the influence of gravity, and meanwhile, when the plastic particles are guided out, the drying oven 1 is in a closed state, so that heat energy loss cannot be caused by guiding out the plastic particles, the heat preservation effect is further realized, and the energy utilization rate is effectively improved.
As shown in fig. 1, 2 and 6, a plurality of groups of equidistant transmission grooves 12 are formed in the inner wall of a transmission belt 403, a vibrating tube 13 is fixedly mounted on the surface of a drying oven 1 positioned in the inner cavity of the transmission belt 403, a vibrating spring 14 is mounted in the inner cavity of the vibrating tube 13, a vibrating rod 15 capable of moving inside and outside the vibrating tube 13 is mounted at one end of the vibrating spring 14, and one end of the vibrating rod 15 contacting the inner wall of the transmission groove 12 is in an arc shape;
When the transmission belt 403 runs, one end of the vibration rod 15 is inserted into the transmission groove 12 from the inner surface of the transmission belt 403, and as a plurality of uniformly arranged transmission grooves 12 are arranged in the transmission belt 403, the vibration rod 15 continuously enters into different transmission grooves 12, and as the vibration rod 15 contacts the surface of the transmission belt 403 in the process of entering and exiting the transmission groove 12, the surface of the transmission belt 403 and the inside of the transmission groove 12 have a position fall, when the vibration rod 15 is arranged on the surface of the transmission belt 403, the transmission belt 403 can have a squeezing effect on the surface of one end of the vibration rod 15, one end of the vibration rod 15 moves upwards along the inside of the vibration tube 13, the vibration spring 14 is synchronously squeezed when the vibration tube 13 moves upwards, the function of the vibration spring 14 is realized, when the transmission groove 12 on the transmission belt 403 moves to the position of one end of the vibration rod 15, the extrusion force generated by the transmission belt 403 disappears, the vibration spring 14 can automatically extend and restore, so that the vibration rod 15 can be ejected onto the transmission belt 403, the ejection force can generate a squeezing effect on the surface of the transmission belt 403, and the plastic particles can not remain in the transmission groove 404 due to the fact that the plastic particles can not be ejected on the inside of the vibration belt by using the vibration force;
The vibration rod 15 continuously ascends and descends through the position change of the transmission belt 403 and the transmission groove 12, so that the function of vibrating the transmission belt 403 is achieved, plastic particles in the drying groove 404 can be effectively guided out, the residues of the plastic particles are avoided, and the guiding-out effect is good.
As shown in fig. 1, 2 and 7, a guide plate 16 which is obliquely arranged is fixedly arranged at the bottom of an inner cavity of the drying box 1 right below an input hole 201, the guide plate 16 is used for guiding plastic particles injected by an introducing mechanism 2 to a position of a conveying mechanism 4, a material distributing mechanism 17 is arranged on the side surface of the guide plate 16, the material distributing mechanism 17 is used for dividing the plastic particles on the guide plate 16 so as to prevent a large amount of plastic particles from accumulating on the conveying mechanism 4 and affecting a drying effect, a guide plate 18 is fixedly arranged in the inner cavity of the drying box 1at one side of the material distributing mechanism 17, the guide plate 18 is used for guiding the plastic particles into a drying groove 404, a dividing plate 19 is fixedly arranged on the side surface of a closed net 8, and the dividing plate 19 is used for blocking the plastic particles from entering the closed net 8 and ensuring normal conveying and drying treatment of the plastic particles;
The material distributing mechanism 17 comprises a movable rod 1701 which is arranged on the inner wall of the drying oven 1 through a bearing, a steering cylinder 1702 is arranged in the middle of the movable rod 1701, and a plurality of groups of baffle blocks 1703 are arranged outside the steering cylinder 1702;
When the conveying belt 403 on the conveying mechanism 4 runs, the rotating cylinder 1702 on the movable rod 1701 is driven to rotate by matching with the meshing of the drying groove 404 and the baffle plate block 1703, so that a large amount of plastic particles on the guide plate 18 can be transmitted to the conveying belt 403 in a component way through a plurality of groups of baffle plate blocks 1703, and the phenomenon that the accumulation of a large amount of plastic particles cannot be heated effectively is avoided;
The distribution mechanism 17 can be used for distributing a large amount of plastic particles, so that a large amount of plastic particles are prevented from entering the conveying mechanism 4 at the same time, the plastic particles on the surface of the conveying mechanism 4 cannot be heated better, and meanwhile, the distribution mechanism 17 is driven by the conveying mechanism 4, so that an additional power source is not needed.
As shown in fig. 1,2, 8 and 9, a limiting plate 20 is fixedly arranged on one side of an inner cavity of the drying oven 1, plastic particles falling on the conveying mechanism 4 are guided onto the limiting plate 20, a conveying mechanism 21 for conveying the plastic particles is arranged at the bottom of the inner cavity of the drying oven 1, the limiting plate 20 guides the plastic particles onto the conveying mechanism 21 for conveying, a scraping plate 22 is fixedly arranged on the other side of the inner cavity of the drying oven 1, and the scraping plate 22 is used for scraping adhesion substances on the surface of the conveying belt 403 so as to ensure the surface of the conveying belt 403 to be smooth;
The conveying mechanism 21 comprises an output rod 2101 movably mounted in the drying oven 1 through a bearing, an output gear 2102 is fixedly mounted at one end of the output rod 2101, the outer part of the output gear 2102 is meshed with the inner part of the drying groove 404, a conveying belt 2103 is connected to the outer part of the output rod 2101 in a transmission manner, the conveying belt 403 can be matched with the drying groove 404 to be meshed with the output gear 2102 when rotating, the output gear 2102 can be driven to rotate, the rotating output gear 2102 can drive the output rod 2101 to rotate, the output rod 2101 can synchronously drive the conveying belt 2103 to rotate, and the rotating conveying belt 2103 can convey plastic particles to the discharge mechanism 6 for guiding out;
One end of the output rod 2101 is fixedly provided with the transmission wheels 23, the transmission wheels 23 are arranged in the drying oven 1 through bearings, the transmission wheels 23 are arranged in parallel at equal intervals, the transmission belt 24 is connected to the outer transmission of the transmission wheels 23, the surface of each transmission wheel 23 is fixedly provided with a stirring wheel 25 for rolling plastic particles, the fan blades of the stirring wheels 25 are adhered with a wear-resistant layer 26, the wear-resistant layer 26 is made of rubber, the wear-resistant effect is good, the transmission wheels 23 are driven to rotate when the output rod 2101 rotates, and the transmission wheels 23 are provided with a plurality of transmission wheels, so that the transmission wheels 23 can drive the stirring wheels 25 to rotate on the conveying belt 2103 through the transmission belt 24, the rolling effect on the plastic particles is achieved, a user of the plastic particles can keep a movable state, the user is heated better, and the drying effect of the plastic particles is further improved;
Under the drive of conveying mechanism 21 through conveying mechanism 4, the rotation of cooperation stirring wheel 25 again just can realize rolling to the plastics granule on the conveying mechanism 21, and the plastics granule that is in the active state just so can be heated comprehensively, and whole drying effect is good to conveying mechanism 21 and stirring wheel 25's drive need not use the extra energy.
As shown in fig. 1, 2 and 9, a vent hole 27 is formed in one side of the drying oven 1 connected with the gas dehumidifying and filtering unit 5, a blocking net 28 is fixedly arranged outside the vent hole 27, the blocking net 28 is used for blocking solid matters from entering the gas dehumidifying and filtering unit 5, a supporting frame 29 is fixedly arranged outside the vent hole 27 in the inner cavity of the drying oven 1, a scraping plate wheel 30 is movably arranged in the middle of the supporting frame 29, when the gas dehumidifying and filtering unit 5 absorbs the air flow in the drying oven 1 for dehumidifying treatment, suction force can be generated, the scraping plate wheel 30 on the supporting frame 29 can be driven to rotate rapidly by the suction force, and therefore matters on the blocking net 28 are scraped, so that the air flow of the blocking net 28 can be ensured to flow smoothly, and meanwhile, plastic particles are prevented from adhering to the blocking net 28;
the scraping plate wheel 30 is driven to rotate by the suction force generated by the gas dehumidifying and filtering unit 5, so that surface substances are scraped off by the barrier net 28, the safety of gas transmission is ensured, and solid impurities are prevented from entering the gas dehumidifying and filtering unit 5.
The using method comprises the following steps:
S1, when plastic particles are dried, a sealing cover 209 on the introducing mechanism 2 is firstly opened to inject the plastic particles into the storage cylinder 205, and the plastic particles in the introducing mechanism 2 enter the drying oven 1 along with the weight increase of the storage cylinder 205 caused by the plastic particles, so that the using automation degree of the introducing mechanism 2 is high and energy driving is not needed;
S2, opening the air heater 3 to heat the interior of the drying box 1, and simultaneously starting the gas dehumidifying and filtering unit 5 to perform rotary motion on the air flow in the drying box 1, so that the moisture generated in the drying process of the plastic particles can be filtered, and the drying effect in the drying box 1 is maintained;
S3, starting a transmission mechanism 4 to be used for conveying rubber particles, wherein the transmission mechanism 4 can drive a material distributing mechanism 17 to operate, so that a large number of plastic particles are prevented from being accumulated on the transmission mechanism 4, the transmission mechanism 4 is matched with a closed net 8 and a combined net frame 9 to be capable of dividing the plastic particles into a plurality of drying grooves 404, so that the accumulated plastic particles are reduced again, at the moment, hot air is blown to the plastic particles in the drying grooves 404 through the combined net frame 9 and an air hole 405 by a hot air blower 3 through a shunt pipe 10, and the plastic particles in a small space formed by each combined net frame 9 and the drying grooves 404 are influenced by the air flow, and at the moment, the hot air is in contact with the surface of each plastic particle for a longer time due to the small number, so that a better drying effect is achieved;
S4, the conveying mechanism 4 can conduct plastic particles to the conveying mechanism 21, the conveying mechanism 21 can cooperate with the stirring wheel 25 to roll the plastic particles again while conveying the plastic particles, so that the plastic particles are always in a moving state, at the moment, hot air flows can be more comprehensively contacted with the surfaces of the plastic particles, the overall heating effect is good, and the drying effect of the plastic particles is further improved;
S5, the conveying mechanism 21 conducts plastic particles to the position of the discharging mechanism 6, the discharging mechanism 6 conducts the plastic particles to the drying box 1, energy sources are not needed in the whole discharging process, the drying box 1 can be always in a closed state in the guiding and discharging processes like the guiding mechanism 2, heat loss in the drying box 1 can not be caused, the heat preservation effect is good, and the energy source utilization rate is high.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (6)
1. A plastic particle drying device, which comprises a drying box (1);
The method is characterized in that: the drying box is characterized in that an introduction mechanism (2) for introducing plastic particles is arranged at the top of the drying box (1), an air heater (3) for drying the plastic particles is arranged at the top of one side of the introduction mechanism (2), a transmission mechanism (4) for moving the plastic particles is arranged in the drying box (1), a gas dehumidifying and filtering unit (5) aligned to one side of the transmission mechanism (4) is arranged at one side of the drying box (1), and a discharge mechanism (6) for discharging the dried plastic particles is arranged at the bottom of the drying box (1);
The conveying mechanism (4) comprises a conveying motor (401) which is arranged outside the drying box (1) and used for driving, a plurality of groups of conveying rods (402) which are arranged by bearings are movably arranged in the inner cavity of the drying box (1), a conveying belt (403) used for conveying plastic particles is connected to the outer transmission of the conveying rods (402), the outer wall of the conveying belt (403) is attached to the inner wall of the drying box (1), a drying groove (404) used for leading in the plastic particles is uniformly formed in the outer surface of the conveying belt (403), and a plurality of groups of ventilation holes (405) which are communicated with the inner part of the conveying belt (403) are formed in the drying groove (404);
A plurality of groups of equidistant transmission grooves (12) are formed in the inner wall of the transmission belt (403), a vibrating tube (13) is fixedly arranged on the surface of the drying box (1) positioned in the inner cavity of the transmission belt (403), a vibrating spring (14) is arranged in the inner cavity of the vibrating tube (13), a vibrating rod (15) capable of moving inside and outside the vibrating tube (13) is arranged at one end of the vibrating spring (14), and one end of the vibrating rod (15) contacting the inner wall of the transmission groove (12) is in an arc shape;
The top of the inner cavity of the drying box (1) is fixedly provided with a hanging frame (7), the bottom of the hanging frame (7) is fixedly provided with a closed net (8) attached to the surface of the transmission mechanism (4), the surface of the closed net (8) is provided with a grid-connected frame (9), the hot air flow output end of the air heater (3) is fixedly provided with a shunt tube (10), the shunt tube (10) is provided with three ports, one port is connected with the output end of the air heater (3), the other two ports are inserted into the inner cavity of the drying box (1), the two ports of the shunt tube (10) inserted into the two end ports of the inner cavity of the drying box (1) are fixedly provided with exhaust pipes (11), and one exhaust pipe (11) is arranged at the top of the closed net (8);
The guiding mechanism (2) comprises a plastic particle input hole (201) formed in the top of the drying box (1), a conveying box (202) is fixedly arranged on the surface of the top of the drying box (1) located at the top of the input hole (201), an assembling groove (203) is formed in the inner wall of the conveying box (202), the assembling groove (203) is obliquely arranged towards the position of the input hole (201), a plurality of sliding rods (204) are fixedly arranged in the assembling groove (203), a storage cylinder (205) is slidably arranged at one end of each sliding rod (204), a reset spring (206) is arranged at one end of each sliding rod (204) located at the top of each storage cylinder (205), a movable hole (207) capable of passing through each storage cylinder (205) is formed in the top of the conveying box (202), an automatic opening and closing piece (208) is arranged at the bottom of each storage cylinder (205), and a sealing cover (209) is arranged at the top of each storage cylinder (205) through a hinge;
The automatic opening and closing piece (208) comprises a positioning frame (2081) fixedly installed at the bottom of an inner cavity of the conveying box (202), a control rod (2082) is fixedly installed at the top of the positioning frame (2081), a retaining frame (2083) is fixedly installed at the bottom of the inner cavity of the storage cylinder (205), a lifting rod (2084) is movably installed in the middle of the retaining frame (2083), a positioning spring (2085) is installed at one end of the lifting rod (2084) located at the bottom of the retaining frame (2083), and a sealing block (2086) is fixedly installed at one end of the lifting rod (2084) located at the top of the retaining frame (2083);
The discharging mechanism (6) comprises a guiding-out hole (601) formed in the bottom of the drying oven (1), a discharging pipe (602) is fixedly arranged at the bottom of the position where the guiding-out hole (601) is formed in the drying oven (1), a supporting spring (603) is arranged at the bottom of an inner cavity of the discharging pipe (602), a discharging frame (604) is arranged at the top of the supporting spring (603), a discharging hole (605) is formed in the side face of the discharging pipe (602), one side of the discharging frame (604) is inclined, an inclined opening corresponds to the discharging hole (605), and a separation plate (606) capable of sealing the guiding-out hole (601) is fixedly arranged at the top of the discharging frame (604).
2. A plastic granule drying apparatus as claimed in claim 1, wherein: the drying box (1) is positioned at the bottom of an inner cavity right below the input hole (201) and is fixedly provided with a guide plate (16) which is obliquely arranged, a material distributing mechanism (17) is arranged on the side face of the guide plate (16), the inner cavity of the drying box (1) positioned at one side of the material distributing mechanism (17) is fixedly provided with a guide plate (18), and the side face of the closed net (8) is fixedly provided with a partition plate (19);
The material distributing mechanism (17) comprises a movable rod (1701) which is arranged on the inner wall of the drying oven (1) through a bearing, a steering cylinder (1702) is arranged in the middle of the movable rod (1701), and a plurality of groups of baffle plates (1703) are arranged outside the steering cylinder (1702).
3. A plastic granule drying apparatus as claimed in claim 1, wherein: one side of the inner cavity of the drying box (1) is fixedly provided with a limiting plate (20), the bottom of the inner cavity of the drying box (1) is provided with a conveying mechanism (21) for conveying plastic particles, and the other side of the inner cavity of the drying box (1) is fixedly provided with a scraping plate (22).
4. A plastic granule drying apparatus as claimed in claim 3, wherein: the conveying mechanism (21) comprises an output rod (2101) movably mounted in the drying oven (1) through a bearing, an output gear (2102) is fixedly mounted at one end of the output rod (2101), the outer portion of the output gear (2102) is meshed with the inner portion of the drying groove (404), and a conveying belt (2103) is connected to the outer portion of the output rod (2101) in a transmission mode.
5. A plastic granule drying apparatus as set forth in claim 4, wherein: one end fixed mounting of output pole (2101) has transmission wheel (23), and transmission wheel (23) pass through the inside of bearing installation at drying cabinet (1), and the quantity of transmission wheel (23) is a plurality of equidistance parallel arrangement simultaneously, and a plurality of transmission wheel (23) external transmission is connected with drive belt (24), every the equal fixed mounting in surface of transmission wheel (23) has stirring wheel (25) for the plastic granules that roll, the bonding has wearing layer (26) on the fan blade of stirring wheel (25).
6. A plastic granule drying apparatus as claimed in claim 1, wherein: one side of the drying cabinet (1) connected with the gas dehumidifying and filtering unit (5) is provided with a vent hole (27), the outside of the vent hole (27) is fixedly provided with a blocking net (28), the outside of the inner cavity of the drying cabinet (1) positioned at the vent hole (27) is fixedly provided with a supporting frame (29), and the middle part of the supporting frame (29) is movably provided with a scraping plate wheel (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410488801.0A CN118082036B (en) | 2024-04-23 | 2024-04-23 | Plastic granules drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410488801.0A CN118082036B (en) | 2024-04-23 | 2024-04-23 | Plastic granules drying device |
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| Publication Number | Publication Date |
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| CN118082036A CN118082036A (en) | 2024-05-28 |
| CN118082036B true CN118082036B (en) | 2024-06-18 |
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| CN202410488801.0A Active CN118082036B (en) | 2024-04-23 | 2024-04-23 | Plastic granules drying device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209350678U (en) * | 2019-01-15 | 2019-09-06 | 龙口盛达环保科技有限公司 | A kind of waste plastic particle drying unit |
| CN110871523A (en) * | 2019-11-24 | 2020-03-10 | 六安丰恺尼机电科技有限公司 | Assembly for drying plastic particles |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215791033U (en) * | 2021-06-30 | 2022-02-11 | 句容市诚春塑料有限公司 | Drying device with waste recovery mechanism for ABS plastic particle processing |
| CN220052469U (en) * | 2023-06-30 | 2023-11-21 | 湖南鹏镜科技有限公司 | Drying device is used in production of PP plastic granules |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209350678U (en) * | 2019-01-15 | 2019-09-06 | 龙口盛达环保科技有限公司 | A kind of waste plastic particle drying unit |
| CN110871523A (en) * | 2019-11-24 | 2020-03-10 | 六安丰恺尼机电科技有限公司 | Assembly for drying plastic particles |
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