阅读说明：本技术 一种用于回收加工聚乙烯的系统 (System for be used for retrieving processing polyethylene ) 是由 张阳 于 2018-03-29 设计创作，主要内容包括：本发明公开了一种用于回收加工聚乙烯的系统,包括用于对物料进行破碎的破碎装置、用于对经过破碎后的物料进行有机溶解的溶解装置、用于对物料进行蒸馏提纯的提纯装置及用于对提纯后的物料进行过滤的过滤装置；所述溶解装置包括反应室和设于该反应室内用于对物料进行搅拌的搅拌部件；所述反应室内壁上设有第一加热部件,所述搅拌部件上设有第二加热部件。本发明中通过第一加热部件和第二加热部件的设置,使得搅拌部件在搅拌溶解聚乙烯的过程中,有机溶剂能够被加热,进而使得聚乙烯溶解的更为快速和完全,不仅极大程度的提高了工作效率,还提高了回收率。(The invention discloses a system for recycling and processing polyethylene, which comprises a crushing device for crushing materials, a dissolving device for organically dissolving the crushed materials, a purifying device for distilling and purifying the materials and a filtering device for filtering the purified materials, wherein the dissolving device is used for dissolving the crushed materials; the dissolving device comprises a reaction chamber and a stirring component which is arranged in the reaction chamber and is used for stirring materials; the inner wall of the reaction chamber is provided with a first heating part, and the stirring part is provided with a second heating part. According to the polyethylene dissolving device, the first heating part and the second heating part are arranged, so that the organic solvent can be heated when the stirring part stirs and dissolves polyethylene, the polyethylene is dissolved more quickly and completely, the working efficiency is greatly improved, and the recovery rate is also improved.)

1. A system for recovering and processing polyethylene comprises a crushing device (1) for crushing materials, a dissolving device (2) for organically dissolving the crushed materials, a purifying device (3) for distilling and purifying the materials and a filtering device (4) for filtering the purified materials; the method is characterized in that: the dissolving device (2) comprises a reaction chamber (5) and a stirring component (6) which is arranged in the reaction chamber and is used for stirring materials;

a first heating part is arranged on the inner wall of the reaction chamber (5), and a second heating part is arranged on the stirring part (6); the first heating component comprises a cover body (91) fixedly connected to the inner wall of the reaction chamber in a welding manner and a heating element (92) arranged in the cover body; the cover body (91) is fixedly connected to the inner wall of the reaction chamber through welding; the heating element (92) is arranged in the cover body, is a heating sheet and is connected with an external power supply or a storage battery through an electric wire; the stirring component (6) comprises a stirring shaft (61), a stirring paddle (62) arranged on the stirring shaft and a driving piece (63) used for driving the stirring shaft to rotate; the second heating component comprises a heating cavity (93) arranged in the stirring shaft and a heating column (94) arranged in the heating cavity; a heat conducting piece (95) is arranged outside the heating column (94), the heat conducting piece is a cylinder made of annular aluminum, the inner wall of the heating column (94) is attached to the heating column, and the outer wall of the heating column is attached to the inner wall of the heating cavity (93);

the upper part of the reaction chamber (5) is provided with a solid material feeding port (11) and a liquid inlet pipe (12), and a buffering feeding part (13) is rotatably arranged in the solid material feeding port (11); the solid material feeding port is a feeding hopper fixedly connected with the reaction chamber, and the liquid inlet pipe is a stainless steel pipe; the buffering feeding part is a star-shaped feeder;

the stirring paddle (62) is a stainless steel plate with an S-shaped structure, the stirring paddle (62) is provided with an arc-shaped flow guide convex rib (621), and the flow guide convex rib is formed by directly extending the surface of the stirring paddle outwards; a plurality of material passing through holes (622) are uniformly distributed on the stirring paddle (62) at intervals;

the stirring component (6) further comprises a turbulence device (7) matched with the stirring shaft, and the turbulence device (7) is in transmission connection with the stirring shaft (61) through a transmission component; the turbulent device (7) comprises two turbulent components arranged on the side wall of the reaction chamber, and the turbulent components comprise a main shaft (71) arranged perpendicular to the side wall of the reaction chamber, a plurality of turbulent parts (72) arranged on the main shaft and turbulent channels (73) arranged on the turbulent parts; the main shaft (71) is arranged perpendicular to the side wall of the reaction chamber, the turbulent flow channel (73) comprises a first turbulent flow groove group (731) and a second turbulent flow groove group (732), and the flow directions of the first turbulent flow groove group (731) and the second turbulent flow groove group (732) are arranged in opposite directions;

the first turbulent flow groove group (731) is an arc-shaped groove arranged on one surface of the plurality of turbulent flow parts (72) with uniform intervals, and the groove is obliquely arranged from one end far away from the main shaft to one end close to the main shaft; the second turbulent flow groove group (732) comprises a plurality of arc-shaped grooves which are uniformly spaced and arranged on the other surface of the turbulent flow part (72), and the grooves are obliquely arranged from one end close to the main shaft to one end far away from the main shaft;

an operation cavity (51) is arranged on the bottom wall of the reaction chamber (5), the upper part of the stirring shaft (61) penetrates out of the reaction chamber to be connected with the driving part, and the lower part of the stirring shaft penetrates into the operation cavity (51); the transmission part comprises a driving gear (81) fixedly arranged at the lower part of the stirring shaft, a transmission gear (82) in transmission connection with the driving gear, a power transmission part (83) in transmission fit with the transmission gear and a direction-changing output part (84) in fit with the power transmission part, and the direction-changing output part (84) is connected with the main shaft (71);

the power transmission part (83) comprises a transmission rod (831) penetrating through the side wall of the reaction chamber, a gear part (832) fixedly arranged at the lower part of the transmission rod and a face tooth part (833) arranged at the upper part of the transmission rod, a cylindrical limiting column (511) is formed by upward extending the bottom wall of the operation cavity (51), the gear part is sleeved outside the limiting column (511), and a first bearing is arranged between the limiting column (511) and the gear part (832);

the direction-changing output part (84) comprises a first bevel gear part (841) meshed with the face gear part, and a second bevel gear part (842) in rotation-stopping fit with the main shaft, wherein the second bevel gear part (842) is meshed with the first bevel gear part (841); the gear piece (832) is meshed with the transmission gear, the face tooth piece (833) is meshed with the first bevel tooth piece, and the first bevel tooth piece is arranged above the face tooth piece (833); the first bevel gear member (841) and the second bevel gear member (842) are engaged, and the main shaft is in rotation-stopping fit with the second bevel gear member (842);

the second bevel gear piece (842) comprises a bevel gear body (843) and a connecting part (844) formed by the bevel gear body extending outwards, a cylindrical inserting cavity (845) is arranged in the connecting part (844), and an inserting part (711) matched with the inserting cavity is arranged on the main shaft; a plurality of strip-shaped rotation stopping convex parts (712) are uniformly distributed on the outer surface of the insertion part (711) at intervals, a plurality of rotation stopping grooves are uniformly arranged on the inner wall of the insertion cavity (711) at intervals, when the main shaft is connected with the second bevel gear piece, the insertion part is inserted into the insertion cavity, and the rotation stopping convex parts are inserted into the rotation stopping grooves, so that rotation stopping matching of the main shaft and the second gear piece is realized.

Technical Field

The invention belongs to the technical field of polyethylene processing, and particularly relates to a system for recycling and processing polyethylene.

Background

With the pace of life acceleration, social life is developing toward convenience and hygiene. In order to meet such a demand, polyethylene packages such as disposable foamed plastic lunch boxes, plastic bags and the like have come into frequent daily lives of people. However, these polyethylene packages, if not handled well, will cause irreversible damage to the ecological environment. However, in the prior art, the system for processing the polyethylene garbage has the problems of low working efficiency and high labor input cost.

Disclosure of Invention

The invention provides a system for recycling and processing polyethylene, which has high working efficiency and is used for overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a system for recycling and processing polyethylene comprises a crushing device for crushing materials, a dissolving device for organically dissolving the crushed materials, a purifying device for distilling and purifying the materials and a filtering device for filtering the purified materials; the dissolving device comprises a reaction chamber and a stirring component which is arranged in the reaction chamber and is used for stirring materials; the inner wall of the reaction chamber is provided with a first heating part, and the stirring part is provided with a second heating part; the inner wall of the reaction chamber is provided with a first heating part, and the stirring part is provided with a second heating part; the first heating part comprises a cover body fixedly connected to the inner wall of the reaction chamber in a welding manner and a heating element arranged in the cover body; the cover body is fixedly connected to the inner wall of the reaction chamber through welding; the heating element is arranged in the cover body, is a heating sheet and is connected with an external power supply or a storage battery through an electric wire; the stirring component comprises a stirring shaft, a stirring paddle arranged on the stirring shaft and a driving piece for driving the stirring shaft to rotate; the second heating part comprises a heating cavity arranged in the stirring shaft and a heating column arranged in the heating cavity; the heating column outer cover is provided with a heat conducting piece, the heat conducting piece is a cylinder made of annular aluminum, the inner wall of the heating column is attached to the heating column, and the outer wall of the heating column is attached to the inner wall of the heating cavity;

the upper part of the reaction chamber is provided with a solid material feeding port and a liquid inlet pipe, and a buffering feeding part is rotatably arranged in the solid material feeding port; the solid material feeding port is a feeding hopper fixedly connected with the reaction chamber, and the liquid inlet pipe is a stainless steel pipe; the buffering feeding part is a star-shaped feeder;

the stirring paddle is a stainless steel plate with an S-shaped structure, and the stirring paddle is provided with an arc-shaped flow guide convex rib which is formed by directly extending the surface of the stirring paddle outwards; a plurality of material passing through holes are uniformly distributed on the stirring paddle at intervals;

the stirring component also comprises a turbulent flow device matched with the stirring shaft, and the turbulent flow device is in transmission connection with the stirring shaft through a transmission component; the turbulent flow device comprises two turbulent flow components arranged on the side wall of the reaction chamber, and each turbulent flow component comprises a main shaft which is vertical to the side wall of the reaction chamber, a plurality of turbulent flow parts arranged on the main shaft and a turbulent flow channel arranged on the turbulent flow parts; the main shaft is arranged perpendicular to the side wall of the reaction chamber, the turbulent flow channel comprises a first turbulent flow groove group and a second turbulent flow groove group, and the flow directions of the first turbulent flow groove group and the second turbulent flow groove group are arranged in opposite directions;

the first turbulent flow groove group is an arc-shaped groove arranged on one surface of the plurality of turbulent flow parts with uniform intervals, and the groove is obliquely arranged from one end far away from the main shaft to one end close to the main shaft; the second turbulent flow groove group comprises a plurality of arc-shaped grooves which are uniformly spaced and arranged on the other surface of the turbulent flow part, and the grooves are obliquely arranged from one end close to the main shaft to one end far away from the main shaft;

an operation cavity is arranged on the bottom wall of the reaction chamber, the upper part of the stirring shaft penetrates out of the reaction chamber to be connected with the driving piece, and the lower part of the stirring shaft penetrates into the operation cavity; the transmission part comprises a driving gear fixedly arranged at the lower part of the stirring shaft, a transmission gear in transmission connection with the driving gear, a power transmission part in transmission fit with the transmission gear and a turning output part in fit with the power transmission part, and the turning output part is connected with the main shaft;

the power transmission part comprises a transmission rod penetrating through the side wall of the reaction chamber, a gear part fixedly arranged at the lower part of the transmission rod and a face gear part arranged at the upper part of the transmission rod, a cylindrical limiting column is formed by upward extending the bottom wall of the operation chamber, the gear part is sleeved outside the limiting column, and a first bearing is arranged between the limiting column and the gear part;

the direction-changing output component comprises a first bevel gear part meshed with the face gear part and a second bevel gear part in rotation stopping fit with the main shaft, and the second bevel gear part is meshed with the first bevel gear part; the gear piece is meshed with the transmission gear, the face gear piece is meshed with the first bevel gear piece, and the first bevel gear piece is arranged above the face gear piece; the first bevel gear part is meshed with the second bevel gear part, and the main shaft is in rotation stopping fit with the second bevel gear part;

the second bevel gear piece comprises a bevel gear body and a connecting part formed by the bevel gear body extending outwards, a cylindrical inserting cavity is arranged in the connecting part, and an inserting part matched with the inserting cavity is arranged on the main shaft; when the spindle is connected with the second bevel gear piece, the inserting part is inserted into the inserting cavity, and the rotation stopping convex part is inserted into the rotation stopping groove, so that rotation stopping matching of the spindle and the second gear piece is realized.

According to the invention, through the mutual cooperation of the processing devices, a complete system for treating the polyethylene garbage can be formed, so that the treatment of the polyethylene garbage is converted from traditional landfill treatment to recycling, the resource utilization rate is effectively improved, and the investment of manpower and material resources for treating the polyethylene garbage is reduced; secondly, through the arrangement of the first heating part and the second heating part, the organic solvent can be heated when the stirring part stirs and dissolves the polyethylene, so that the polyethylene can be dissolved more quickly and completely, the working efficiency is greatly improved, and the recovery rate is also improved; through the arrangement of the turbulence component, the materials in the reaction chamber are ensured to be in a state of flowing towards all directions in the process of stirring the materials by the stirring component, so that the materials can be impacted with each other in the reaction chamber, the polyethylene waste is dissolved more fully, and the dissolution residue is not easy to occur; through setting up first turbulent flow groove group and second turbulent flow groove group to flow direction opposite to when the stirring rake takes place to rotate, first turbulent flow groove group and second turbulent flow groove group will be with two flow directions to the material in the reaction chamber drainage, further guarantee that the material can not be like same direction motion, thereby make the dissolution of material more abundant, dissolution efficiency is also higher.

In summary, the invention has the following advantages: through the setting of first heater block and second heater block for the stirring part is at the in-process of stirring dissolution polyethylene, and organic solvent can be heated, and then makes polyethylene dissolve more fast and complete, not only very big improvement work efficiency, still improved the rate of recovery.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the dissolving apparatus of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

FIG. 4 is a schematic structural view of a first embodiment of the stirring paddle of the present invention.

FIG. 5 is a schematic structural view of a second embodiment of the stirring paddle of the present invention.

Fig. 6 is a schematic view of the structure of the turbulent portion in the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1 to 6, a system for recycling and processing polyethylene comprises a crushing device 1 for crushing materials, a dissolving device 2 for performing organic dissolution on the crushed materials, a purifying device 3 for performing distillation purification on the materials, and a filtering device 4 for filtering the purified materials; specifically, the polyethylene waste is firstly crushed in the crushing device and then sent into the dissolving device, the organic solvent is stored in the dissolving device, and the polyethylene waste can be completely dissolved in the organic solvent; then, the solvent in the dissolving device is subjected to tight distillation and purification through a purification device, and finally the purified solvent is subjected to filtration treatment through a filtration device to obtain polyethylene; the crushing device is a roller crusher, the purifying device is a distiller, the filtering device is a filter, and the equipment can be directly purchased from the market and is not described any more.

Specifically, the dissolving device 2 comprises a reaction chamber 5 made of stainless steel and a stirring component 6 arranged in the reaction chamber and used for stirring materials; the reaction chamber is made of stainless steel, the upper part of the reaction chamber 5 is provided with a solid material feeding port 11 and a liquid inlet pipe 12, a buffering feeding piece 13 is rotatably arranged in the solid material feeding port 11, the solid material feeding port is a feeding hopper fixedly connected with the reaction chamber, and the liquid inlet pipe is a stainless steel pipe; the buffering feeding part is a star-shaped feeder directly purchased from the market, and the specific structure is not described any more; the star-shaped feeder can slow down the speed of feeding materials into the reaction chamber, so that the distribution of the materials in the reaction chamber is more uniform; the stirring component 6 comprises a stirring shaft 61, a stirring paddle 62 arranged on the stirring shaft and a driving piece 63 for driving the stirring shaft to rotate, wherein the driving piece is a motor directly purchased from the market; preferably, a first heating part is arranged on the inner wall of the reaction chamber 5, and a second heating part is arranged on the stirring part 6; the first heating member includes a stainless steel cover 91 and a heating element 92 which are arranged in a hollow manner; the cover body 91 is fixedly connected to the inner wall of the reaction chamber through welding; the heating element 92 is arranged in the cover body, is a heating sheet directly purchased from the market and is connected with an external power supply or a storage battery through an electric wire.

Further, the second heating member includes a heating cavity 93 and a heating column 94; the heating cavity 93 is arranged in the stirring shaft, the heating column 94 is arranged in the heating cavity, the heating column 94 is a heating pipe purchased from the market, and the heating column 94 is electrically connected with an external power supply or a storage battery through an electric wire; preferably, the heating column 94 is covered with a heat conducting member 95, the heat conducting member is a cylinder made of annular aluminum, the inner wall of the heating column 94 is attached to the heating column, and the outer wall of the heating column is attached to the inner wall of the heating cavity 93; therefore, heat on the heating column can be better transferred to the stirring shaft to heat the organic solvent in the dissolving chamber; among them, the organic solvent is preferably benzene.

In this embodiment, the stirring paddle 62 is a stainless steel plate with an S-shaped structure, the stainless steel plate is welded on the stirring shaft, preferably, the stirring paddle 62 is provided with an arc-shaped diversion convex rib 621, and the diversion convex rib is formed by directly extending the surface of the stirring paddle outwards; in other embodiments, the stirring paddle 62 may also be a stainless steel plate with a strip structure, the stainless steel plate is welded on the stirring shaft, preferably, a plurality of material passing through holes 622 are uniformly distributed on the stirring paddle 62 at intervals to allow materials to pass through, so as to reduce the resistance of the stirring paddle in the using process.

An operation cavity 51 is arranged on the bottom wall of the reaction chamber 5, the upper part of the stirring shaft 61 penetrates out of the reaction chamber to be connected with the driving part, and the lower part of the stirring shaft penetrates into the operation cavity 51; the stirring component 6 also comprises a turbulent flow device 7 matched with the stirring shaft, the turbulent flow device 7 is in transmission connection with the stirring shaft 61 through a transmission component, and further when the stirring shaft rotates, the turbulent flow device can be driven to rotate through the transmission component; specifically, the turbulent device 7 comprises two turbulent components, and the left and right side walls of the reaction chamber are respectively provided with one turbulent component; the turbulent component comprises a main shaft 71 made of stainless steel, a plurality of turbulent parts 72 arranged on the main shaft and turbulent channels 73 arranged on the turbulent parts; the main shaft 71 is arranged perpendicular to the side wall of the reaction chamber, the turbulent flow part 72 is a plurality of stainless steel plates welded on the main shaft, and the turbulent flow channel 73 is arranged on the turbulent flow part 72; specifically, the turbulent flow channel 73 includes a first turbulent flow groove set 731 and a second turbulent flow groove set 732, and the flow directions of the first turbulent flow groove set 731 and the second turbulent flow groove set 732 are opposite; specifically, the first turbulent groove group 731 is an arc-shaped groove disposed on one surface of the plurality of uniformly spaced turbulent flow portions 72, and the groove is inclined from one end far away from the main shaft to one end near the main shaft; the second turbulent groove set 732 includes a plurality of arc-shaped grooves on the other surface of the turbulent flow portion 72, which are uniformly spaced and are inclined from one end close to the main shaft to the other end far from the main shaft.

Further, the transmission component comprises a driving gear 81 fixedly arranged at the lower part of the stirring shaft, a transmission gear 82 in transmission connection with the driving gear, a power transmission component 83 in transmission fit with the transmission gear, and a direction-changing output component 84 in fit with the power transmission component, wherein the direction-changing output component 84 is connected with the main shaft 71; the driving gear 81 and the transmission gear 82 are circular gears purchased from the market; the power transmission member 83 includes a transmission rod 831 penetrating the sidewall of the reaction chamber, a gear member 832 fixedly disposed at the lower portion of the transmission rod, and a face gear member 833 disposed at the upper portion of the transmission rod, the bottom wall of the operation chamber 51 extends upward to form a cylindrical limiting column 511, the gear member is sleeved outside the limiting column 511, and a first bearing is disposed between the limiting column 511 and the gear member 832; when the stirring shaft rotates, the driving gear rotates along with the stirring shaft, then the driving gear drives the transmission gear to rotate, the transmission gear drives the power rotating part to rotate, and further drives the turning output part to rotate, and the turning output part drives the main shaft to rotate, so that the main shaft stirs materials in the reaction chamber from the position of the side wall of the reaction chamber; the rotation direction of the main shaft is vertical to the stirring direction of the stirring shaft, so that the turbulence degree of materials in the reaction chamber is further increased, and the dissolving speed and the dissolving rate are improved.

The direction-changing output member 84 includes a first bevel gear member 841 engaging with the face gear member, a second bevel gear member 842 fitted to the spindle for rotation stop, the second bevel gear member 842 engaging with the first bevel gear member 841; the gear piece 832 is a circular gear purchased from the market, and the face gear piece 833 is a face gear purchased from the market; the gear member 832 is meshed with the transmission gear, the face tooth member 833 is meshed with the first bevel tooth member, and the first bevel tooth member is arranged above the face tooth member 833; the first bevel gear 841 and the second bevel gear 842 are meshed, and the main shaft is in rotation stopping fit with the second bevel gear 842, so that when the stirring shaft rotates, the main shaft can be driven to rotate; through the transmission of face tooth spare and diversion output unit cooperation to at power transmission's in-process, face tooth spare can produce certain holding power to diversion output unit, and then makes the cooperation between face tooth spare and the diversion output unit more stable, is difficult for breaking down long service life.

Specifically, the second bevel gear 842 comprises a bevel gear body 843 and a connecting portion 844 formed by extending the bevel gear body outwards, a cylindrical insertion cavity 845 is arranged in the connecting portion 844, and an insertion portion 711 matched with the insertion cavity is arranged on the spindle; a plurality of strip-shaped rotation stopping convex parts 712 are uniformly distributed on the outer surface of the insertion part 711 at intervals, a plurality of rotation stopping grooves are uniformly arranged on the inner wall of the insertion cavity 711 at intervals, when the spindle is connected with the second bevel gear piece, the insertion part is inserted into the insertion cavity, and the rotation stopping convex parts are inserted into the rotation stopping grooves, so that rotation stopping matching of the spindle and the second gear piece is realized; the two bevel gears are meshed to realize transmission, so that the rotating speed of the main shaft can be changed by setting the gear speeds of the bevel gears to be different, the rotating speed of the main shaft can be improved under the condition of not changing the output power of the driving part, and a good stirring effect is further achieved under the condition of saving most energy; the connecting part is directly formed by extending the bevel gear body, so that the processing is convenient and the forming efficiency is high; through the cooperation between stopping the convex part and stopping the recess, can realize that the main shaft stops the commentaries on classics well between the second bevel gear spare, the difficult condition that skids that appears between the two, and then guarantee to carry out good transmission to the main shaft, bevel gear spare idle and then can't drive the main shaft pivoted condition can not appear, and the fault rate is low.

Further, the first bevel gear member 841 comprises a bevel gear 846 and a stainless steel rotating shaft 847 in interference fit with the bevel gear, two ends of the rotating shaft 847 are respectively sleeved with a bearing member 9, and the first bearing member and the bearing member 9 are bearings directly purchased from the market; because both ends of the rotating shaft need to penetrate out of the outer side of the bevel gear piece, the rotating shaft and the bevel gear piece are difficult to integrally process and form; the two parts are processed in a split mode and are firmly connected through interference fit, so that the processing and the manufacturing are simple and convenient, and the processing efficiency is high; the setting of bearing spare can effectively reduce the resistance that the bevel gear piece received when rotating, reduces power loss.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.