CN119567455B - A new type of plastic granule dehydration and drying equipment - Google Patents
A new type of plastic granule dehydration and drying equipment Download PDFInfo
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- CN119567455B CN119567455B CN202510131377.9A CN202510131377A CN119567455B CN 119567455 B CN119567455 B CN 119567455B CN 202510131377 A CN202510131377 A CN 202510131377A CN 119567455 B CN119567455 B CN 119567455B
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- 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
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Abstract
本发明公开了一种新型的塑料颗粒脱水干燥设备，包括预脱水模块、脱水风干模块、离心风机，脱水风干模块包括脱水外管、中心风管和导风螺旋杆，中心风管同心设置于脱水外管的内侧，脱水外管的内周和中心风管的外周之间形成脱水工作通道，导风螺旋杆垂设于中心风管内，中心风管的外周环形密布有出风孔，脱水外管的外周环形密布有滤水孔，通过导风螺旋杆迫使中心风管内的高压风产生旋转后从出风孔吹向脱水工作通道内，颗粒会受到旋转的高压空气引动朝颗粒输出口方向高速旋转撞击滤水孔起到脱水效果。本发明颗粒在进行风干脱水时不直接与边缘锋利的结构接触减少对产品表面产生影响、没有高速撞击减少了粉末的产生。
The invention discloses a novel plastic particle dehydration and drying equipment, including a pre-dehydration module, a dehydration air-drying module, and a centrifugal fan. The dehydration air-drying module includes a dehydration outer tube, a central air duct, and an air guide spiral rod. The central air duct is concentrically arranged on the inner side of the dehydration outer tube, and a dehydration working channel is formed between the inner periphery of the dehydration outer tube and the periphery of the central air duct. The air guide spiral rod is vertically arranged in the central air duct, and the periphery of the central air duct is annularly densely covered with air outlet holes, and the periphery of the dehydration outer tube is annularly densely covered with water filter holes. The high-pressure wind in the central air duct is forced to rotate by the air guide spiral rod and blown from the air outlet to the dehydration working channel. The particles are driven by the rotating high-pressure air to rotate at high speed in the direction of the particle output port and hit the water filter hole to achieve a dehydration effect. When the particles of the present invention are air-dried and dehydrated, they do not directly contact with structures with sharp edges to reduce the impact on the product surface, and there is no high-speed impact to reduce the generation of powder.
Description
Technical Field
The invention relates to the technical field of plastic particle production equipment, in particular to novel plastic particle dehydration drying equipment.
Background
Common plastic particles include general plastic, engineering plastic, special plastic, color master batch and the like. The granule production mainly comprises a reaction kettle or an extruder, a brace water granulating step or an underwater granulating step, and the like, wherein the granule is contacted with water to enable materials processed into a molten state to be rapidly cooled and molded.
In the existing traditional dewatering device, particles are impacted at a high speed mainly through rotor blades, so that the particles obtain a higher initial speed to impact a filter screen to achieve the dewatering effect on the surfaces of the particles, the surfaces of the particles can be marked with striking marks of the rotor blades, a large amount of fragments can be impacted for products with high solid content, and the products with high requirements on appearance are difficult to meet.
The plastic particle dewatering dryer comprises a dewatering barrel, wherein the periphery of the dewatering barrel is fully provided with filter holes, a feed inlet is arranged below the dewatering barrel, a discharge outlet is arranged above the dewatering barrel, a power disc connected with a motor is arranged at the bottom of the dewatering barrel, spiral continuous blades are arranged on the power disc, and the blades are clung to the barrel wall of the dewatering barrel. Although the plastic particle dewatering dryer can improve the dewatering efficiency of plastic particles, the plastic particle dewatering dryer has the defects that the particles are contacted with the blades during operation and even are extruded between the blades and the dewatering barrel, and the appearance of the particles is inevitably defective after the dewatering operation is finished.
In order to solve the problems of the conventional dehydrator, the applicant has devised a novel plastic particle dehydration drying apparatus.
Disclosure of Invention
The technical problem to be solved by the invention is to provide novel plastic particle dehydration drying equipment.
In order to achieve the above object, the present invention discloses a novel plastic particle dehydration drying apparatus comprising:
and the feeding end of the pre-dewatering module is used for receiving the water-containing particles output from the granulator, and most of the water in the particles is discharged through the pre-dewatering module.
The dehydration air drying module comprises a dehydration outer pipe, a central air pipe and an air guide spiral rod, wherein the central air pipe is concentrically arranged on the inner side of the dehydration outer pipe, a dehydration working channel is formed between the inner periphery of the dehydration outer pipe and the periphery of the central air pipe, a particle output port and a particle input port which are communicated with the dehydration working channel are arranged on the periphery of the dehydration outer pipe, the air guide spiral rod is arranged in the central air pipe, air outlet holes are densely distributed on the periphery of the central air pipe in an annular mode, and water filtering holes are densely distributed on the periphery of the dehydration outer pipe in an annular mode.
The feeding conveying module is connected with the discharging end of the pre-dewatering module, and the discharging end of the feeding conveying module is communicated with the particle input port.
The centrifugal fan is fixedly arranged at the bottom end of the central air pipe and used for blowing high-pressure air into the central air pipe, plastic particles after pre-dehydration are input to the bottom in the dehydration working channel through the feeding and conveying module, the high-pressure air in the central air pipe is forced to rotate through the air guide screw rod and then blown into the dehydration working channel from the air outlet, and the particles are driven by the rotating high-pressure air to rotate at a high speed along the direction of the particle output port so as to impact the water filtering hole to achieve the dehydration effect.
And the discharging module is used for receiving particles blown out from the particle output port.
Further, the dehydration working channel is provided with a temporary storage section, a dehydration section and a discharge section from bottom to top in sequence.
The particle input port is communicated with the temporary storage section, and the particle output port is communicated with the discharge section.
Further, the particle input port and the particle output port are arranged in a left-right staggered mode.
Further, the outer circumference of the dewatering outer tube opposite to the dewatering section is densely provided with a plurality of water filtering holes in an annular mode.
Further, a support flange is arranged between the shaft end of the air guide screw rod and the top end of the central air pipe, and the air guide screw rod can be rotatably adjusted through the support flange, so that the starting direction of the helical blade of the air guide screw rod is finely adjusted.
Further, the pre-dewatering module comprises a working box body, a first guide plate and a second guide plate, wherein a feed inlet and a discharge outlet are formed in the top and the bottom of the working box body, and the bottom of the discharge outlet is fixedly connected with the feed end of the feed conveying module.
The first guide plates and the second guide plates are arranged on two sides in the working box body with the discharge hole as the center, and plastic particles sequentially fall to the second guide plates through the feed inlet and are guided by the first guide plates to be conveyed to the discharge hole.
The first guide plate is provided with a plurality of first drain holes, and the second guide plate is provided with a plurality of second drain holes.
Further, the two sides of the opening of the discharge hole are respectively provided with a first connecting plate and a second connecting plate in the working box body, and the first guide plate is obliquely arranged between the first connecting plate and the inner side wall of the working box body.
The outline of second deflector is the V font, the pointed end orientation of second deflector first deflector, two inclined planes of second deflector set up respectively to first guiding part, second guiding part, first guiding part with the feed inlet is relative from top to bottom, second guiding part with the discharge gate is relative from top to bottom, and its lower one end with the second connecting plate meets, the second wash port set up in on the first guiding part.
Further, the device also comprises a device frame, the bottom of the device frame is provided with an air inlet through hole, the centrifugal fan is fixedly arranged below the air inlet through hole.
The dewatering outer pipe and the top and bottom ends of the central air pipe are respectively and fixedly connected with the top and bottom in the equipment rack, and the central air pipe is communicated with the air inlet through hole.
Further, the helical blade of the wind-guiding helical rod is preferably 3.5 circles, and the pitch of the helical blade is 300mm.
Further, a third guiding part is arranged at the bottom in the dehydration working channel and used for assisting particles to move upwards in a spiral mode in the direction of the particle output port, a fourth guiding part is arranged at the top in the dehydration working channel, and the particles are guided to the particle output port through the fourth guiding part.
Compared with the prior art, the invention has the beneficial effects that:
1. The pre-dewatering module is added to improve the dewatering efficiency of the particles, so that the overall structure of the pre-dewatering module is simple and efficient, and the pre-dewatering module has the advantage of stable working effect;
2. the air guide screw rod is matched with the central air pipe with the air outlet hole to generate upward spiral air flow to the dehydration working channel, so that screw stirring in the prior art is replaced, particles are not directly contacted with sharp-edged structures when air-dried and dehydrated, the influence on the surface of a product is reduced, and high-speed impact is avoided, so that the generation of powder is reduced; the device has no high-speed rotation device, can reduce the abrasion of equipment, and has small whole volume, small occupied area and high efficiency.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a perspective view of the whole structure of the present invention;
FIG. 3 is a schematic side view of the overall connection structure of the material distributing device and the material absorbing and collecting device;
FIG. 4 is a partial perspective view of a dispensing device of the present invention;
fig. 5 is a schematic partial front view of the distributing device of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings of fig. 1 to 5.
Referring to fig. 1, a novel plastic particle dehydration drying device comprises a device frame 1, a pre-dehydration module 2, a feeding and conveying module 3, a dehydration and air drying module 4, a centrifugal fan 5 and a discharging module 6.
The centrifugal fan 5 of the present embodiment is preferably an industrial medium pressure centrifugal fan 5.
The discharging module 6 of the embodiment is a cyclone separator.
The dehydration and air drying module 4 is fixedly arranged in the equipment rack 1, the discharge end of the pre-dehydration module 2 is connected with the feed end of the feed conveying module 3, the discharge end of the feed conveying module 3 is connected with the feed end of the dehydration and air drying module 4,
Referring again to fig. 2, the pre-dewatering module 2 includes a work box 21, a first guide 22, and a second guide 23. The top, the bottom of work box 21 are provided with feed inlet 211, discharge gate 212, and feed inlet 211 and discharge gate 212 stagger the setting, and it switches on with the work box 21 in respectively. The bottom of the discharge hole 212 is fixedly connected with the feed end of the feed conveying module 3.
The first guide plate 22 and the second guide plate 23 are respectively arranged on two sides in the working box body 21 with the discharge hole 212 as a center, and the second guide plate 23 is adjacent to the feed hole 211.
The two sides of the top of the discharging hole 212 are respectively provided with a first connecting plate 213 and a second connecting plate 214 in the working box body 21, and the two sides of the first connecting plate 213 and the second connecting plate 214 are respectively abutted with the front inner side surface and the rear inner side surface in the working box body 21.
The first guide plate 22 is obliquely arranged between the first connecting plate 213 and the inner side wall of the working box 21, and is staggered from the feeding hole 211. Specifically, the higher end of the first guide plate 22 is fixedly connected with the lower half section of an inner side surface of the working box body 21, the lower end of the first guide plate 22 is connected with the top of the first connecting plate 213, and the front edge and the rear edge of the first guide plate 22 are connected with the inner wall in the working box body 21.
Further, a plurality of first drain holes 221 are provided on the first guide plate 22.
In this embodiment, the outer contour of the second guide plate 23 is V-shaped, and the tip of the second guide plate 23 faces the first guide plate 22, which is beneficial for guiding the material on the second guide plate 23 to flow onto the first guide plate 22.
The two inclined surfaces of the second guide plate 23 are respectively provided with a first guide part 231 and a second guide part 232, the first guide part 231 is vertically opposite to the feeding hole 211, the second guide part 232 is vertically opposite to the discharging hole 212, and one lower end of the second guide part 232 is connected with the top of the second connecting plate 214.
The second guide 232 and the first guide plate 22 form a guide channel therebetween to facilitate the flow of material to the outlet 212.
Further, the surface of the first guide 231 is provided with a plurality of second drain holes 233.
Further, a first drainage cavity 24 is formed between the bottom surface of the first guide plate 22 and the bottom surface of the first connecting plate 213 and the bottom surface of the working box 21, and a second drainage cavity 25 is formed between the bottom surface of the first guide portion 231 and the bottom surface of the working box 21 and the second connecting plate 214. The bottoms of the first drainage cavity 24 and the second drainage cavity 25 are respectively provided with a drainage outlet.
Referring to fig. 3, the feed conveyor module 3 includes a feed pipe 31, a feed screw, and a feed drive source 32. One end of a feed pipe 31 penetrates through the outer wall of the equipment rack 1 and is connected with the feed end of the dehydration air drying module 4, and the periphery of the feed pipe 31 is fixedly connected with the outer wall of the equipment rack 1. The feeding screw rod rotates and sets up in inlet pipe 31, and feeding drive source 32 fixedly sets up in the other end of inlet pipe 31, and the tip of feeding screw rod is fixed connection with the power take off end of feeding drive source 32.
The feeding driving source 32 in this embodiment is a driving mode of a motor and a decelerator.
Further, the feed pipe 31 is inclined to facilitate the flow of the material, and in particular, the end of the feed pipe 31 connected to the dewatering and air drying module 4 is the lower end. The periphery of the higher end of the feed pipe 31 is provided with a connecting part 311, the connecting part 311 is communicated with the inside of the feed pipe 31, and the discharge port 212 of the working box 21 is connected with the connecting part 311.
When the pre-dewatering module 2 and the feeding and conveying module 3 work, the method comprises the following steps:
the method comprises the steps of S1, arranging a feed port 211 of a working box body 21 below an output end of a granulator, enabling particles output from the granulator to fall onto a first guide part 231 through the feed port 211, guiding the particles to flow to a second guide plate 23 sequentially through the particles, and then outputting the particles from a discharge port 212, wherein when the product particles containing a large amount of water flow through the first guide part 231 and the second guide plate 23, most of the water is discharged under the action of a first drain hole 221 and a second drain hole 233, and the discharged water is temporarily stored in a first drain cavity 24 and a second drain cavity 25 and is discharged out of the working box body 21 through a drain port;
S2, outputting the pre-dehydrated particles from a discharge hole 212, and falling into a feed pipe 31 through a connecting part 311, wherein a feed driving source 32 drives a feed screw rod to rotate so as to drive the particles to orderly move towards the feed end of the dehydration air drying module 4.
Referring to fig. 4, an air inlet hole 11 is formed in the bottom of the equipment rack 1, and a centrifugal fan 5 is fixedly arranged below the air inlet hole 11, specifically, an air outlet end of the centrifugal fan 5 is communicated with the air inlet hole 11.
The dewatering air drying module 4 includes a dewatering outer tube 41, a central air tube 42, and an air guiding screw 43.
The top and bottom ends of the outer dehydrating tube 41 are fixedly connected with the top and bottom in the equipment rack 1 respectively, the outer dehydrating tube 41 and the air inlet through hole 11 are concentrically arranged, and the inner diameter of the outer dehydrating tube 41 is larger than that of the air inlet through hole 11.
The central air pipe 42 is fixedly arranged in the dewatering outer pipe 41, and the top end and the bottom end of the central air pipe 42 are fixedly connected with the top and the bottom in the equipment rack 1 respectively. The central air duct 42 is arranged concentrically with the dewatering outer duct 41. The inner diameter of the central air duct 42 in this embodiment is larger than the diameter of the air inlet through hole 11.
Further, a dehydration working channel 44 is formed between the inner circumference of the dehydration outer pipe 41 and the outer circumference of the central air pipe 42. The dewatering channel 44 is provided with a temporary storage section 441, a dewatering section 442 and a discharge section 443 from bottom to top.
Referring to fig. 3, the outer circumference of the lower half of the dehydrating outer tube 41 is provided with a particle input port 411, and the particle input port 411 is in communication with the temporary storage section 441. The outer periphery of the upper half section of the dewatering outer pipe 41 is provided with a particle output port 412, and the particle output port 412 is communicated with the discharge section 443. The particle inlet 411 and the particle outlet 412 are staggered with each other in this embodiment.
The lower end of the feed pipe 31 is fixedly connected to the outer circumference of the outer dehydrating pipe 41, and it is in communication with the particle inlet 411. The feed end of the discharge module 6 is fixedly connected with the outer periphery of the dewatering outer tube 41 through a pipeline, and is communicated with the particle output port 412.
Referring to fig. 4, further, air outlet holes 421 are densely distributed on the outer circumference of the central air duct 42, and the interior of the central air duct 42 is communicated with the dehydration working channel 44 through the air outlet holes 421;
the outer periphery of the dewatering outer tube 41 opposite to the dewatering section 442 is densely covered with water filtering holes 413.
The air guide screw rod 43 is vertically arranged in the central air pipe 42 and is coaxially arranged with the air inlet through hole 11, and the bottom end of the air guide screw rod 43 is positioned above the air inlet through hole 11.
The top of the equipment rack 1 is provided with a support flange 7, and the shaft end of the air guide screw rod 43 is sleeved on the support flange 7. The support flange 7 enables the air guide screw rod 43 to be rotatably adjusted, and then the starting direction of the helical blade of the air guide screw rod 43 is finely adjusted, so that when high-pressure air output by the centrifugal fan 5 enters the central air pipe 42, the air starts to start to flow from the position of the particle input port 411 to the direction of the particle output port 412, and the air flowing out of the central air pipe 42 is prevented from back blowing to the position of the particle input port 411, so that particles cannot move upwards.
The helical blade of the wind-guiding helical 43 of this embodiment is preferably 3.5 turns and has a pitch of 300mm.
Referring to fig. 5, further, a third guiding portion 441-1 is disposed at the bottom of the temporary storage section 441, the third guiding portion 441-1 is spirally disposed around the periphery of the central air duct 42, specifically, a lower end of the third guiding portion 441-1 is opposite to the particle inlet 411 in front-back direction, and a higher end of the third guiding portion 441-1 is higher than the particle inlet 411;
The top in the discharge section 443 is provided with a fourth guide portion 443-1, and the fourth guide portion 443-1 is spirally provided around the outer circumference of the central air duct 42 in the direction of the particle output port 412, and the particles in the discharge section 443 are guided to the particle output port 412 by the fourth guide portion 443-1.
When the dehydrating and air-drying module 4 works, the particles after pre-dehydration are input into the temporary storage section 441 from the particle input port 411, the centrifugal fan 5 starts to work and outputs high-pressure air to the air inlet through hole 11, the high-pressure air in a single direction output by the air inlet through hole 11 is blown to the dehydrating working channel 44 from the air outlet hole 421 after rotating in the central air pipe 42 under the action of the air guide screw rod 43, and then the particles in the temporary storage section 441 are driven to rotate at a high speed to the dehydrating section 442 and the discharging section 443, when the particles rotate in the dehydrating section 442, the phenomenon that the particles impact the inner periphery of the dehydrating outer pipe 41 occurs, and at the moment, a small amount of water adhered to the surfaces of the particles can be discharged from the water filtering hole 413 due to the impact force and the action of air blowing, so as to obtain dry particles;
When the particles are in the discharge section 443, the air flow output by the central air pipe 42 and the fourth guiding portion 443-1 cooperate to guide and output the particles to the particle output port 412, and the particles enter the discharge module 6 for unified collection.
According to the embodiment, the air guide screw rod 43 is arranged to be matched with the central air pipe 42 with the air outlet hole 421 to generate upward spiral air flow to the dehydration working channel 44, so that screw stirring in the prior art is replaced, particles are not directly contacted with sharp-edged structures during air drying and dehydration, the influence on the surface of a product is reduced, high-speed impact is avoided, and the generation of powder is reduced;
Meanwhile, the inside of the central air pipe can generate high pressure due to the action of the centrifugal fan, and then the material input at the particle input port is affected, so that the embodiment adopts the feeding screw rod to realize the input of particles, and the high-pressure air flow in the dehydration air drying module is prevented from leaking from the particle input port through the separation of the screw blade.
The above embodiments are only for illustrating the technical concept and features of the present invention, and therefore, it is intended that the present invention can be understood by those skilled in the art and implemented according to the technical concept, and the present invention is not limited to the above embodiments, but modifications made according to the spirit and scope of the main technical solution of the present invention should be included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510131377.9A CN119567455B (en) | 2025-02-06 | 2025-02-06 | A new type of plastic granule dehydration and drying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510131377.9A CN119567455B (en) | 2025-02-06 | 2025-02-06 | A new type of plastic granule dehydration and drying equipment |
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| Publication Number | Publication Date |
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| CN119567455A CN119567455A (en) | 2025-03-07 |
| CN119567455B true CN119567455B (en) | 2025-05-13 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN222590373U (en) * | 2025-02-06 | 2025-03-11 | 广东美联新材料股份有限公司 | A rotor-free cyclone dehydration and drying equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH620859A5 (en) * | 1977-04-22 | 1980-12-31 | Kensaku Nakamura | System for reclaiming plastics |
| DE19840358A1 (en) * | 1998-09-04 | 2000-03-09 | Motan Holding Gmbh | Heating of bulk material, especially polymer chips prior to injection molding machine, involves a hot air stream flowing transversely to the material stream |
| CN110986544A (en) * | 2019-12-26 | 2020-04-10 | 安徽绿源高分子材料科技有限公司 | Rotary screen drying machine for non-woven fabric production and working method thereof |
| CN215242144U (en) * | 2021-06-22 | 2021-12-21 | 鹤壁市天新电器有限公司 | Raw material particle drying device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN222590373U (en) * | 2025-02-06 | 2025-03-11 | 广东美联新材料股份有限公司 | A rotor-free cyclone dehydration and drying equipment |
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Inventor after: Chen Dongsheng Inventor after: Huang Kunyu Inventor after: She Yanqun Inventor after: Li Xiaojie Inventor after: Lin Zhenyue Inventor before: Chen Dongsheng Inventor before: Huang Kunyu Inventor before: Yu Yanqun Inventor before: Li Xiaojie Inventor before: Lin Zhenyue |