阅读说明：本技术 一种化工用聚氯乙烯分拣工艺 (Polyvinyl chloride sorting process for chemical industry ) 是由 不公告发明人 于 2021-09-23 设计创作，主要内容包括：本发明属于塑料分拣领域,尤其涉及一种化工用聚氯乙烯分拣工艺,配合一种化工用聚氯乙烯分拣设备配合完成,该一种化工用聚氯乙烯分拣设备包括底板,底板两侧固设有支撑板,其中一侧支撑板远离底板一侧设有电机支架,电机支架上设有第一电机,底板远离支撑板一侧设有支撑架,支撑架与同侧支撑板之间设有存储箱支撑架,存储箱支撑架上设有喷射模块,支撑架上设有储压模块,支撑板之间设有打散部件,打散部件远离支撑板一侧不接触设有吸附部件,打散部件上方设有固连于支撑板上的搅拌部件支撑台,搅拌部件支撑台两侧固设有固定杆,固定杆之间固设有搅拌部件,搅拌部件支撑台内的一侧设有增压部件。能够有效分离处塑料中混合的聚氯乙烯。(The invention belongs to the field of plastic sorting, and particularly relates to a polyvinyl chloride sorting process for chemical engineering, which is matched with polyvinyl chloride sorting equipment for chemical engineering, the polyvinyl chloride sorting equipment for chemical engineering comprises a bottom plate, supporting plates are fixedly arranged on two sides of the bottom plate, a motor support is arranged on one side of the supporting plate, which is far away from the bottom plate, a first motor is arranged on the motor support, a supporting frame is arranged on one side of the bottom plate, which is far away from the supporting plate, a storage box supporting frame is arranged between the supporting frame and the supporting plate on the same side, a spraying module is arranged on the storage box supporting frame, a pressure storage module is arranged on the supporting frame, a scattering component is arranged between the supporting plates, an adsorption component is arranged on one side of the scattering component, which is far away from the supporting plate, in a non-contact manner, a stirring component supporting table fixedly connected on the supporting plate is arranged above the scattering component, fixing rods are fixedly arranged on two sides of the stirring component supporting table, and stirring components are fixedly arranged between the fixing rods, one side in the stirring component supporting platform is provided with a pressurizing component. Can effectively separate the polyvinyl chloride mixed in the plastic.)

1. The chemical polyvinyl chloride sorting process is characterized by comprising the following steps:

s1, adding materials: respectively putting plastic particles, a regulator and a surfactant into equipment;

s2, turning over raw materials: the particles are stirred and rubbed in a machine and are mixed with a regulator and a surfactant at the same time;

s3, spray scattering: spraying the treated plastic particles into a scattering component to scatter the plastic particles fully;

s4, electric field adsorption: after the materials are fully scattered, starting a high-voltage electric field for adsorption;

s5, screening and collecting: collecting the adsorbed particles to finish sorting;

wherein, the steps S1 to S4 are completed by matching the chemical polyvinyl chloride sorting equipment, the chemical polyvinyl chloride sorting equipment comprises a bottom plate (11), supporting plates (12) are fixedly arranged on two sides of the bottom plate (11), one side of the supporting plate (12) far away from the bottom plate (11) is provided with a motor support, the motor support is provided with a first motor (13), one side of the bottom plate (11) far away from the supporting plate (12) is provided with a supporting frame (14), a storage box supporting frame (47) is arranged between the supporting frame (14) and the supporting plate (12) on the same side, a spraying module (16) is arranged on the storage box supporting frame (47), a pressure storage module (15) is arranged on the supporting frame (14), a scattering part (17) is arranged between the supporting plates (12), and one side of the scattering part (17) far away from the supporting plate (12) is provided with an adsorption part (18) without contacting, break up part (17) top and be equipped with stirring part supporting bench (19) that links firmly on backup pad (12), stirring part supporting bench (19) both sides have set firmly dead lever (29), stirring part (20) have set firmly between dead lever (29), one side in the stirring part supporting bench (19) is equipped with pressure boost part (21).

2. The polyvinyl chloride sorting process for the chemical industry according to claim 1, wherein a second transmission shaft (28) penetrating through the stirring component supporting table (19) is arranged between the second motor (22) and the stirring component (20), the second transmission shaft (28) is fixedly connected to the stirring component (20), a first transmission shaft (51) penetrating through the supporting plate (12) is arranged between the first motor (13) and the scattering component (17), the first transmission shaft (51) is fixedly connected to the scattering component (17), a through hole is formed between the pressure storage module (15) and the injection module (16) in a connecting manner, and a through hole is formed between the injection module (16) and the scattering component (17) in a connecting manner.

3. The sorting process of polyvinyl chloride for chemical industry according to claim 1, wherein the stirring component (20) comprises a stirring barrel (26) fixedly connected between the fixing rods (29), a hollow shaft (24) is rotatably connected to the axis of the stirring barrel (26), the outer cylindrical surface of the hollow shaft (24) is fixedly connected with stirring blades (25), and the lower part of the hollow shaft (24) is provided with (4) throwing holes (27).

4. The sorting process of polyvinyl chloride for chemical industry according to claim 1, wherein the pressure increasing component (21) comprises a first gear (30) which is fixedly arranged on the outer cylindrical surface of a second transmission shaft (28) and is rotatably connected to the stirring component supporting platform (19), the first gear (30) is meshed with and drives a gear rotating shaft (32), the gear rotating shaft (32) is rotatably connected with and provided with the gear rotating shaft (32) which is fixedly connected to the stirring component supporting platform (19) in the middle, a rotating pin (33) is fixedly arranged on the eccentric side of the second gear (31) downwards, one end of a connecting rod (34) is sleeved outside the rotating pin (33), the other end of the connecting rod (34) is rotatably connected to a rotating connecting piece (35), the rotating connecting piece (35) is fixedly arranged on the side, facing the first gear (30), of a piston (36) slides in a piston cylinder (37), the piston cylinder (37) is fixedly arranged on the stirring component supporting table (19), one side of the piston cylinder (37), which is far away from the first gear (30), is fixedly connected with a pressure increasing pipe (38) for conveying compressed air, and the pressure increasing pipe (38) is used for unidirectional conveying.

5. The polyvinyl chloride sorting process for the chemical industry according to claim 1, wherein the stirring part supporting table (19) comprises a barrel body (40) which is rotatably connected and arranged between supporting plates (12), the inner wall of the barrel body (40) is uniformly provided with (8) scattering rods (39) along the circumference, the scattering rods (39) are evenly arrayed in the barrel body (40) along the axial direction and comprise a plurality of groups, the wall of the barrel body (40) is symmetrically provided with two filtering doors (41), the adsorption part (18) comprises a fixing frame (42) which is fixedly connected to the bottom plate (11) and far away from two sides of the barrel body (40), and an adsorption plate (43) which is fixedly connected to the fixing frame (42) is arranged between the fixing frame (42) and the barrel body (40).

6. The polyvinyl chloride sorting process for chemical industry according to claim 1, the pressure storage module (15) comprises a pressure storage box (48) fixedly connected on the support frame (14), the upper side of the pressure storage box (48) is connected with a pressure increasing pipe (38), the injection module (16) comprises a material storage box (45) fixedly arranged on a storage box supporting frame (47), a material conveying pipe (44) is fixedly connected to one side of the upper part of the material storage box (45) which is inclined to the transverse direction, a second one-way valve (50) is arranged in the contact position of the material conveying pipe (44) and the material storage box (45), the other end of the material conveying pipe (44) is connected into the stirring barrel (26), a blanking door (52) is arranged at the contact position of the material conveying pipe (44) and the stirring barrel (26), and a first one-way valve (46) is arranged at the part of the material storage tank (45) which is communicated with the scattering part (17).

Technical Field

The invention belongs to the field of plastic sorting, and particularly relates to a polyvinyl chloride sorting process for chemical industry.

Background

Polyvinyl chloride plastics are produced by polymerizing vinyl chloride monomer, and are one of the commonly used thermoplastics. Its trade name is abbreviated as "chloro-plastic", and English is abbreviated as PVC. Pure polyvinyl chloride resins are rigid thermoplastic materials with decomposition temperatures very close to the plasticizing temperature and poor mechanical strength. Therefore, polyvinyl chloride resin cannot be used for molding products, and plasticizers, stabilizers, fillers and the like must be added to improve the performance, so that polyvinyl chloride plastic is prepared and then is processed into various products. The polyvinyl chloride is divided into hard polyvinyl chloride and soft polyvinyl chloride according to the amount of the added plasticizer, and the used polyvinyl chloride plastics are extremely difficult to recover and difficult to sort, so that the difference between the plastics cannot be effectively distinguished.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a polyvinyl chloride sorting process for chemical engineering, which can effectively sort polyvinyl chloride by attaching static electricity to plastic particles.

In order to achieve the purpose, the invention adopts the following technical scheme:

a chemical polyvinyl chloride sorting process comprises the following steps:

s1, adding materials: respectively putting plastic particles, a regulator and a surfactant into equipment;

s2, turning over raw materials: the particles are stirred and rubbed in a machine and are mixed with a regulator and a surfactant at the same time;

s3, spray scattering: spraying the treated plastic particles into a scattering component to scatter the plastic particles fully;

s4, electric field adsorption: after the materials are fully scattered, starting a high-voltage electric field for adsorption;

s5, screening and collecting: collecting the adsorbed particles to finish sorting;

wherein the steps S1 to S4 need to be completed by matching a chemical polyvinyl chloride sorting process, the chemical polyvinyl chloride sorting process comprises a bottom plate, supporting plates are fixedly arranged on two sides of the bottom plate, a motor support is arranged on one side, away from the bottom plate, of one side supporting plate, a first motor is arranged on the motor support, a supporting frame is arranged on one side, away from the supporting plate, of the bottom plate, a storage box supporting frame is arranged between the supporting frame and the same side supporting plate, an injection module is arranged on the storage box supporting frame, a pressure storage module is arranged on the supporting frame, a scattering component is arranged between the supporting plates, an adsorption component is arranged on one side, away from the supporting plate, of the scattering component in a non-contact manner, a stirring component supporting table fixedly connected to the supporting plate is arranged above the scattering component, fixing rods are fixedly arranged on two sides of the stirring component supporting table, and a stirring component is fixedly arranged between the fixing rods, and a pressurizing component is arranged on one side in the stirring component supporting platform.

Preferably, be equipped with the second transmission shaft that passes the supporting bench of stirring part between second motor and the stirring part, the second transmission shaft links firmly on the stirring part, be equipped with the first transmission shaft that passes the backup pad between first motor and the part of breaing up, first transmission shaft links firmly on the part of breaing up, it has continuous through-hole to open between pressure storage module and the injection module, it has continuous through-hole to open between injection module and the part of breaing up.

Preferably, the stirring part including link firmly in the agitator between the dead lever, agitator axis department rotates and is connected with the hollow shaft, the outer cylinder face of hollow shaft has linked firmly stirring vane, the hollow shaft lower part is opened has one and gets rid of the hole.

Preferably, the pressure boost part is including setting firmly in the second transmission shaft outer cylindrical surface and rotating the first gear of connection on the supporting bench of stirring part, first gear meshing transmission has the gear rotation axis, gear rotation axis intermediate rotation connects and is equipped with the gear rotation axis that links firmly on the supporting bench of stirring part, second gear eccentric one side has set firmly the rotational pin down, the rotational pin overcoat has the one end of connecting rod, the connecting rod other end rotates to be connected on rotating the connecting piece, rotating the connecting piece and setting firmly in piston towards first gear one side, the piston slides in the piston cylinder, the piston cylinder sets firmly on the supporting bench of stirring part, the piston cylinder is kept away from first gear one side and is linked firmly the pressure boost pipe of carrying compressed air, the pressure boost pipe is single-direction transport.

Preferably, the stirring part supporting table is connected the staving of locating between the backup pad including rotating, it breaks up the pole to have individual along circumference evenly distributed on the staving inner wall, it has a plurality of groups to divide the array equally along the axial in the staving to break up the pole, the symmetry is opened on the staving wall has two filter doors, adsorption element is including linking firmly the mount of keeping away from the staving both sides on the bottom plate, be equipped with the adsorption plate that links firmly on the mount between mount and the staving.

Preferably, the pressure storage module comprises a pressure storage box fixedly connected to the support frame, a pressure increasing pipe is connected to the upper side of the pressure storage box, the injection module comprises a material storage box fixedly arranged on the support frame of the storage box, a material transmission pipe is fixedly connected to one side of the upper side of the material storage box in a horizontal direction, a second one-way valve is arranged in the contact position of the material transmission pipe and the material storage box, the other end of the material transmission pipe is connected into the stirring barrel, a blanking door is arranged at the contact position of the material transmission pipe and the stirring barrel, and a first one-way valve is arranged at the position, where the material storage box is communicated with the scattering component.

Has the advantages that:

1. helical blades are adopted for stirring, and the regulator and the surfactant are thrown out from the middle, so that the friction area is increased, and the friction and the electricity generation are easier;

2. a scattering rod is arranged to effectively scatter the particles which are coagulated together;

3. the kinetic energy of the stirring motor is effectively utilized to spray the plastic particles into the scattering component, so that the scattering effect is improved;

4. the rotary filter door is arranged, so that plastic particles with different charges can be effectively collected.

Drawings

FIG. 1 is a perspective view of a solid of the present invention

FIG. 2 is a top view of the present invention

FIG. 3 is a sectional view taken along line A-A in FIG. 2

FIG. 4 is a sectional view taken along line B-B of FIG. 3

FIG. 5 is a cross-sectional view taken at C-C in FIG. 2

FIG. 6 is a partial enlarged view of the portion D in FIG. 3

FIG. 7 is a partial enlarged view of E in FIG. 3

In the figure: 10. a base plate; 11. a support plate; 12. a first motor; 13. a support frame; 14. a pressure storage module; 15. an injection module; 16. a break-up component; 17. an adsorption member; 18. a stirring member supporting table; 19. a stirring member; 20. a pressurizing member; 21. a second motor; 22. collecting tank; 23. a hollow shaft; 24. a stirring blade; 25. a stirring barrel; 26. throwing out holes; 27. a second drive shaft; 28. fixing the rod; 29. a first gear; 30. a second gear; 31. a gear rotating shaft; 32. a rotation pin; 33. a connecting rod; 34. rotating the connecting piece; 35. a piston; 36. a piston cylinder; 37. a pressure increasing pipe; 38. breaking up the rods; 39. a barrel body; 40. a filter door; 41. a fixed mount; 42. an adsorption plate; 43. a material conveying pipe; 44. a material storage box; 45. a first check valve; 46. a storage box support frame; 47. a pressure storage tank; 48. a pressure valve; 49. a second one-way valve; 50. a first drive shaft; 51. a blanking door;

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

A chemical polyvinyl chloride sorting process comprises the following steps:

s1, adding materials: respectively putting plastic particles, a regulator and a surfactant into equipment;

s2, turning over raw materials: the particles are stirred and rubbed in a machine and are mixed with a regulator and a surfactant at the same time;

s3, spray scattering: spraying the treated plastic particles into a scattering component to scatter the plastic particles fully;

s4, electric field adsorption: after the materials are fully scattered, starting a high-voltage electric field for adsorption;

s5, screening and collecting: collecting the adsorbed particles to finish sorting;

wherein the steps S1 to S4 need to be completed by matching a chemical polyvinyl chloride sorting device, the chemical polyvinyl chloride sorting device comprises a bottom plate 11, supporting plates 12 are fixedly arranged on two sides of the bottom plate 11, a motor support is arranged on one side of the supporting plate 12 far away from the bottom plate 11, a first motor 13 is arranged on the motor support, a supporting frame 14 is arranged on one side of the bottom plate 11 far away from the supporting plate 12, a storage box supporting frame 47 is arranged between the supporting frame 14 and the supporting plate 12 on the same side, an injection module 16 is arranged on the storage box supporting frame 47, a pressure storage module 15 is arranged on the supporting frame 14, a scattering part 17 is arranged between the supporting plates 12, an adsorption part 18 is arranged on one side of the scattering part 17 far away from the supporting plate 12 without contacting, a stirring part supporting table 19 fixedly connected on the supporting plate 12 is arranged above the scattering part 17, fixing rods 29 are fixedly arranged on two sides of the stirring part supporting table 19, and stirring parts 20 are fixedly arranged between the fixing rods 29, a pressurizing member 21 is provided on one side in the stirring member support table 19.

A second transmission shaft 28 penetrating through the stirring component support platform 19 is arranged between the second motor 22 and the stirring component 20, the second transmission shaft 28 is fixedly connected to the stirring component 20, a first transmission shaft 51 penetrating through the support plate 12 is arranged between the first motor 13 and the scattering component 17, the first transmission shaft 51 is fixedly connected to the scattering component 17, a connected through hole is formed between the pressure storage module 15 and the injection module 16, and a connected through hole is formed between the injection module 16 and the scattering component 17.

The stirring part 20 comprises a stirring barrel 26 fixedly connected between fixing rods 29, the axis of the stirring barrel 26 is rotatably connected with a hollow shaft 24, the outer cylindrical surface of the hollow shaft 24 is fixedly connected with stirring blades 25, and the lower part of the hollow shaft 24 is provided with 4 throwing holes 27.

The pressurizing part 21 comprises a first gear 30 fixedly arranged on the outer cylindrical surface of the second transmission shaft 28 and rotatably connected to the stirring part supporting platform 19, the first gear 30 is in meshing transmission with a gear rotating shaft 32, the middle of the gear rotating shaft 32 is rotatably connected with the gear rotating shaft 32 fixedly connected to the stirring part supporting platform 19, one eccentric side of the second gear 31 faces downwards and is fixedly provided with a rotating pin 33, one end of a connecting rod 34 is sleeved outside the rotating pin 33, the other end of the connecting rod 34 is rotatably connected to a rotating connecting piece 35, the rotating connecting piece 35 is fixedly arranged on one side, facing the first gear 30, of a piston 36, the piston 36 slides in a piston cylinder 37, the piston cylinder 37 is fixedly arranged on the stirring part supporting platform 19, one side, away from the first gear 30, of the piston cylinder 37 is fixedly connected with a pressurizing pipe 38 for conveying compressed air, and the pressurizing pipe 38 is in one-way conveying mode.

Stirring part supporting table 19 is including rotating the staving 40 of connecting between locating backup pad 12, and it has 8 to break up pole 39 along circumference evenly distributed on the staving 40 inner wall, and it has a plurality of groups to divide the array equally along the axial in staving 40 to break up pole 39, and symmetrical opening has two filter door 41 on the staving 40 wall, and adsorption element 18 is including linking firmly the mount 42 of keeping away from staving 40 both sides on bottom plate 11, is equipped with the adsorption plate 43 that links firmly on mount 42 between mount 42 and staving 40.

The pressure storage module 15 comprises a pressure storage box 48 fixedly connected to the support frame 14, a pressure increasing pipe 38 is connected to the upper side of the pressure storage box 48 in an access mode, the injection module 16 comprises a material storage box 45 fixedly arranged on a storage box support frame 47, a material transmission pipe 44 is fixedly connected to one side of the upper side of the material storage box 45 in a horizontal direction, a second one-way valve 50 is arranged in the contact position of the material transmission pipe 44 and the material storage box 45, the other end of the material transmission pipe 44 is connected into the stirring barrel 26, a blanking door 52 is arranged at the contact position of the material transmission pipe 44 in the stirring barrel 26, and a first one-way valve 46 is arranged at the position, where the material storage box 45 is communicated with the scattering component 17.

Principle of operation

The dried and crushed plastic particles are poured into a stirring barrel 26, the regulator and the surfactant are poured into a hollow shaft 24, a second motor 22 is started, the second motor 22 drives a second transmission shaft 28 to rotate, the second transmission shaft 28 drives the hollow shaft 24 to rotate, the hollow shaft 24 drives a stirring blade 25 to rotate, the stirring blade 25 turns the plastic particles up and down, meanwhile, the regulator and the surfactant in the hollow shaft 24 are thrown out from a throwing-out hole 27 to be mixed with the plastic particles, and the efficiency of friction generation among the plastic particles is improved.

During stirring, the second transmission shaft 28 drives the first gear 30 to rotate, the first gear 30 is in meshed transmission with the second gear 31, the second gear 31 drives the connecting rod 34 to swing back and forth, the connecting rod 34 drives the rotary connecting piece 35 to move back and forth, the rotary connecting piece 35 drives the piston 36 to slide back and forth in the piston cylinder 37, air in the piston cylinder 37 is compressed, and the compressed air is conveyed into the pressure storage tank 48 through the pressure increasing pipe 38.

The first motor 13 is turned on, the first motor 13 drives the first transmission shaft 51 to rotate, the first transmission shaft 51 drives the barrel body 40 to rotate, the filtering door 41 is kept in a closed state at the moment, the blanking door 52 is opened, the second motor 22 is reversed, plastic particles which are fully rubbed with each other are scraped into the material transmission pipe 44 by the stirring blade 25 and are transported into the material storage tank 45 through the material transmission pipe 44, the blanking door 52 is closed when enough plastic particles exist in the material storage tank 45, after the pressure valve 49 reaches a set pressure value, the pressure valve 49 is opened, and high-pressure air in the pressure storage tank 48 sprays the plastic particles in the material storage tank 45 into the barrel body 40 through the first one-way valve 46.

After the plastic particles are sprayed into the barrel body 40, the particles colliding with the scattering rod 39 are scattered and fall into the bottom of the barrel body 40, at the moment, the barrel body 40 rotates, the plastic particles are further scattered by the scattering rod 39, mutual friction is increased, the adsorption plates 43 are opened, the adsorption plates 43 on the two sides form two poles of a high-voltage electric field, polyethylene with negative charges is attracted to the side wall of the barrel body 40 on the positive side by the positive pole, other plastic particles with positive charges are attracted to the side wall of the barrel body 40 on the negative side by the negative pole, only polyvinyl chloride is easy to separate from various mixtures, and polyvinyl chloride is always negatively charged relative to other plastics. Open filter door 41, the little plastic granules of single composition can be adsorbed on adsorption plate 43 when filter door 41 passes through the electric field, the mixed large granule that is not broken up will be stayed in staving 40, simultaneously uncharged granule can fall into middle collecting vat 23 when filter door 41 passes through the below, through the absorption of a period of time, close adsorption plate 43, the plastic granules that adsorb on adsorption plate 43 fall into the collecting vat 23 of both sides respectively, aim at the below with filter door 41, open filter door 41, remaining plastic granules all fall into in the staving 23 in the staving 40, the polyvinyl chloride granule that will sort is good is transported away, pour the plastic granules in the collecting vat 23 in the middle into agitator 26 again and carry out the screening of next time.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.