Waste plastic cracking complete device

Abstract

The utility model belongs to the technical field of plastic cracking, and particularly relates to waste plastic cracking complete equipment which comprises a base, a shell is arranged at the top of the base, and a conveying belt used for conveying waste plastic is arranged at the position, located in the shell, of the top of the base. Baffles are symmetrically arranged at the positions, located on the two sides of the conveying path of the conveying belt, in the shell, and the baffles are provided with a plurality of sprayers used for flushing waste plastics along the conveying path of the conveying belt. According to the utility model, the whole process can be started from the obtaining of waste plastics, cleaning, crushing, dehydrating and cracking in the reaction kettle, the waste plastics can continuously enter the reaction kettle for reaction, so that the yield can be greatly improved, and meanwhile, combustible gas generated by the reaction kettle can be used as heat energy for cracking of the waste plastics, and cracking gas generated by the reaction kettle can be used for recycling. According to the present invention, the raw material cracking requirement can be met, the excess gas can be used for power generation and power utilization of factory equipment, the waste plastic is treated by using the cracking method, and the generation of dioxin can be effectively inhibited.

Description

Technical Field

[0001] The invention relates to the technical field of plastic cracking, in particular to a complete set of equipment for cracking waste plastics. Background Art

[0002] The waste plastic cracking device is used for recycling waste plastics. It can crack the waste plastics that cannot be granulated into usable oil, gas and charcoal. For the existing waste plastic refining, the waste plastics are added into the reactor and heated. Then the cracked gas is condensed into oil, combustible gas and charcoal.

[0003] The overall process requires cleaning, crushing, dehydration, and cracking of waste plastics before entering the reactor for pyrolysis, and collecting oil, gas, and charcoal. The overall processing steps are relatively large and cannot be carried out in a concentrated and continuous manner, which results in the waste plastics not being able to enter the reactor continuously for reaction, thereby reducing production. Therefore, it is necessary to develop a complete set of equipment for pyrolysis of waste plastics. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A complete set of waste plastic cracking equipment, comprising:

[0007] A base, wherein a shell is disposed on the top of the base, and a conveyor belt for transporting waste plastics is disposed inside the shell on the top of the base;

[0008] Baffles are symmetrically arranged on both sides of the conveying path of the conveyor belt inside the shell, and a plurality of nozzles for washing waste plastics are arranged on the baffles along the conveying path of the conveyor belt. A water tank is arranged on the top of the shell, and water pumps are symmetrically arranged on both sides. The water inlet and outlet ends of the two water pumps are respectively connected to the inner cavity of the water tank and the plurality of nozzles through water outlet pipes;

[0009] A collecting basket is arranged at the rear of the base, a mounting frame is arranged at the top of the collecting basket in the inner cavity of the shell, the mounting frame is a rectangular frame body with upper and lower sides open, a crushing assembly for crushing waste plastics is arranged in the inner cavity of the mounting frame, and the crushing assembly is located below the end of the conveyor belt;

[0010] A lifting barrel, the side wall of the collection basket is provided with a lifting barrel connected to the inner cavity of the collection basket, the inner cavity of the lifting barrel is inclined with the left side higher and the right side lower, the inner cavity of the lifting barrel is provided with a lifting assembly for lifting the waste plastic fragments, and a dehydration assembly for drying and dehydrating the waste plastic fragments, the dehydration assembly includes mounting openings opened along the spacing between the front and rear side walls of the lifting barrel, each mounting opening is provided with a mounting frame, the inner side wall of each mounting frame is provided with a fan and an electric heating wire, and the upper end bottom wall of the lifting barrel is connected with a discharge pipe;

[0011] The reactor, the discharge port of the discharge pipe is connected to the feed port of the reactor.

[0012] As a preferred solution of the waste plastic cracking device described in the present invention, the inner cavity of the base is provided with a water collecting chamber, and the surface of the base located inside the shell is provided with grid holes, and the grid holes are connected to the water collecting chamber.

[0013] As a preferred embodiment of the waste plastic cracking device described in the present invention, a water pump is arranged on the top of the water tank, the water inlet and outlet of the water pump are connected to the water collecting chamber and the inner cavity of the water tank through a water pumping pipe respectively, a filter screen is arranged inside the water collecting chamber, and the lower end of the water pumping pipe is located below the filter screen.

[0014] As a preferred solution of the waste plastic cracking device described in the present invention, a visual window is provided on the front surface of the water tank, and a water supply pipe is provided at the top of the water tank.

[0015] As a preferred embodiment of the waste plastic cracking device of the present invention, the crushing assembly includes two crushing rollers rotatably arranged on the inner wall of the installation frame, and the rods of the two crushing rollers are provided with crushing knives that bite into each other.

[0016] As a preferred embodiment of the waste plastic cracking device described in the present invention, the ends of the two crushing rollers are rotated to extend to the outer side wall of the mounting frame and are respectively provided with transmission gears, the teeth of the two transmission gears are meshed with each other, a crushing motor is fixedly provided on the outer side wall of the shell, and the output shaft of the crushing motor is connected to the end of a crushing roller.

[0017] As a preferred solution of the waste plastic cracking device of the present invention, the inner cavity of the collecting basket is provided with a material guiding slope, and the material guiding slope is inclined with the left side lower and the right side higher.

[0018] As a preferred embodiment of the waste plastic cracking device described in the present invention, the lifting assembly includes a spiral lifting rod rotatably arranged on the inner side wall of a lifting barrel, the spiral lifting rod has the same inclination as the lifting barrel, and a lifting motor is arranged on the outer side wall of the lifting barrel, and the output shaft of the lifting motor is connected to the upper end of the spiral lifting rod.

[0019] As a preferred solution of the waste plastic cracking device described in the present invention, a leak-proof net is provided on one end of the inner side of the mounting frame facing the inner cavity of the lifting barrel, and the ventilation hole diameter of the leak-proof net is smaller than the particle diameter of the waste plastic fragments.

[0020] The beneficial effects of the present invention are as follows: the processed waste plastics are placed on the conveyor belt, the conveyor belt is started for conveying, the water pump is started during the conveying process, and the flushing water in the water tank is sprayed out through the nozzle to flush the waste plastics, and the baffle plate will block the waste plastics to prevent them from falling from both sides, the conveyor belt conveys the waste plastics to the end, and then falls into the installation frame, and after starting the crushing motor, a crushing roller is driven to rotate, and through the mutually meshing transmission gears, the two crushing rollers are rotated toward the center direction, so that the waste plastics are crushed by the crushing knife, and the crushed waste plastics are tilted to the lower end of the inner cavity of the lifting barrel through the material guide slope, and then the lifting motor is started to drive the spiral lifting rod to rotate, thereby lifting the waste plastic fragments at the lower end of the inner cavity of the lifting barrel, and then the waste plastic fragments at the lower end of the inner cavity of the lifting barrel are lifted up. During the lifting process, the fan and the electric heating wire are started to allow hot air to enter the inner cavity of the lifting barrel to dehydrate and dry the waste plastic fragments. The anti-leakage net is set to prevent the fragments from leaking out, and finally they enter the reactor through the discharge pipe for processing. The overall process can start from obtaining the waste plastics, cleaning, crushing, dehydration, and entering the reactor for cracking. The waste plastics can enter the reaction vessel for reaction uninterruptedly, thereby greatly improving the output and being suitable for industrial production. At the same time, the combustible gas generated by the reactor can be used for heat energy for cracking of waste plastics, and the cracking gas generated by itself can meet the cracking of raw materials, and the excess gas can be used for power generation and electricity consumption of factory equipment. The cracking method is used to treat waste plastics, and the generation of dioxins can also be effectively suppressed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in combination with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

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

[0023] Figure 2 For the present invention Figure 1 A schematic diagram of the structure in a side view direction;

[0024] Figure 3 For the present invention Figure 2 A schematic diagram of the structure of the internal components of the middle shell;

[0025] Figure 4 For the present invention Figure 3 Schematic diagram of the structure of the middle A area;

[0026] Figure 5 It is a schematic diagram of the structure of the material guide slope in the collection basket of the present invention;

[0027] Figure 6 It is a schematic structural diagram of the internal components of the lifting barrel cross section of the present invention;

[0028] Figure 7 This is an exploded view of the dehydration component of the present invention.

[0029] In the figure: base 100, shell 110, conveyor belt 120, baffle 200, nozzle 210, water tank 220, water pump 230, water outlet pipe 240, grid hole 250, water pump 260, water pump pipe 270, visual window 280, water supply pipe 290, collection basket 300, installation frame 310, crushing roller 320, crushing knife 330, transmission gear 340, crushing motor 350, material guide slope 360, lifting barrel 400, spiral lifting rod 410, lifting motor 420, material outlet pipe 430, installation port 440, mounting frame 450, fan 460, heating wire 470, anti-leakage net 480, reactor 500. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0033] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] See also Figure 1-Figure 7 , which shows a schematic diagram of the structure of the waste plastic cracking device of the present invention, please refer to Figure 1-Figure 7 , a detailed introduction to the complete set of waste plastic cracking equipment is given.

[0035] The waste plastic cracking device comprises a base 100, a shell 110 is arranged on the top of the base 100, and a conveyor belt 120 for transporting waste plastics is arranged inside the shell 110 at the top of the base 100;

[0036] The interior of the housing 110 is symmetrically provided with baffles 200 on both sides of the transport path of the conveyor belt 120, and the baffles 200 are provided with a plurality of nozzles 210 for washing waste plastics along the transport path of the conveyor belt 120. The top of the housing 110 is provided with a water tank 220, and water pumps 230 are symmetrically provided on both sides. The water inlet and outlet ends of the two water pumps 230 are connected to the inner cavity of the water tank 220 and the plurality of nozzles 210 through water outlet pipes 240 respectively.

[0037] A collection basket 300 is disposed at the rear of the base 100, and a mounting frame 310 is disposed at the top of the collection basket 300 in the inner cavity of the housing 110. The mounting frame 310 is a rectangular frame body with upper and lower sides open. A crushing assembly for crushing waste plastics is disposed in the inner cavity of the mounting frame 310, and the crushing assembly is located below the end of the conveyor belt 120.

[0038] The side wall of the collecting basket 300 is provided with a lifting barrel 400 connected to the inner cavity of the collecting basket 300, the inner cavity of the lifting barrel 400 is inclined with the left side higher and the right side lower, the inner cavity of the lifting barrel 400 is provided with a lifting assembly for lifting the waste plastic fragments, and a dehydration assembly for drying and dehydrating the waste plastic fragments, the dehydration assembly includes a mounting port 440 opened along the front and rear side wall spacing of the lifting barrel 400, each of the mounting ports 440 is provided with a mounting frame 450, and the inner side wall of each of the mounting frames 450 is provided with a fan 460 and a heating wire 470, and the upper end bottom wall of the lifting barrel 400 is connected with a discharge pipe 430;

[0039] The discharge port of the discharge pipe 430 is connected to the feed port of the reaction kettle 500 .

[0040] Furthermore, the inner cavity of the base 100 is provided with a water collecting cavity, and the surface of the base 100 located inside the shell 110 is provided with grid holes 250, and the grid holes 250 are connected to the water collecting cavity. Wastewater after flushing waste plastics enters the water collecting cavity through the grid holes 250 for collection.

[0041] Furthermore, a water pump 260 is provided on the top of the water tank 220, and the water inlet and outlet ends of the water pump 260 are connected to the water collecting chamber and the inner cavity of the water tank 220 through a water pumping pipe 270 respectively. A filter screen is provided inside the water collecting chamber, and the lower end of the water pumping pipe 270 is located below the filter screen. After starting the water pump 260, the waste water filtered by the filter screen is replenished into the inner cavity of the water tank 220 through the water pumping pipe 270, thereby saving water.

[0042] Furthermore, a visual window 280 is provided on the front surface of the water tank 220 , and a water supply pipe 290 is provided at the top of the water tank 220 , so that the remaining water level inside the water tank 220 can be conveniently checked through the visual window 280 , and appropriate replenishment can be performed through the water supply pipe 290 .

[0043] Furthermore, the crushing assembly includes two crushing rollers 320 rotatably arranged on the inner wall of the installation frame 310, and the rods of the two crushing rollers 320 are provided with crushing knives 330 that mesh with each other. The ends of the two crushing rollers 320 rotate and extend to the outer wall of the installation frame 310 and are respectively provided with transmission gears 340. The teeth of the two transmission gears 340 mesh with each other. A crushing motor 350 is fixedly arranged on the outer wall of the shell 110. The output shaft of the crushing motor 350 is connected to the end of a crushing roller 320. After starting the crushing motor 350, one crushing roller 320 is driven to rotate. Through the mutually meshing transmission gears 340, the two crushing rollers 320 rotate toward the center direction, thereby crushing the waste plastic through the crushing knife 330.

[0044] Furthermore, the inner cavity of the collecting basket 300 is provided with a material guiding slope 360 ​​, and the material guiding slope 360 ​​is inclined with the left side lower and the right side higher. The crushed waste plastics are inclined to the lower end of the inner cavity of the lifting barrel 400 through the material guiding slope 360 ​​.

[0045] Furthermore, the lifting assembly includes a spiral lifting rod 410 rotatably arranged on the inner wall of the lifting barrel 400, the spiral lifting rod 410 has the same inclination as the lifting barrel 400, and the outer wall of the lifting barrel 400 is provided with a lifting motor 420, and the output shaft of the lifting motor 420 is connected to the upper end of the spiral lifting rod 410. After starting the lifting motor 420 to drive the spiral lifting rod 410 to rotate, the waste plastic fragments at the lower end of the inner cavity of the lifting barrel 400 are lifted and enter the reactor 500 through the discharge pipe 430 for processing.

[0046] Furthermore, an anti-leakage net 480 is provided on one end of the inner side surface of the mounting frame 450 facing the inner cavity of the lifting barrel 400, and the ventilation hole diameter of the anti-leakage net 480 is smaller than the particle diameter of the waste plastic fragments. The anti-leakage net 480 will neither hinder hot air from entering the inner cavity of the lifting barrel 400 to dehydrate and dry the waste plastic fragments, nor will the fragments leak out through the ventilation holes of the anti-leakage net 480.

[0047] In the specific use process, the processed waste plastics are placed on the conveyor belt 120, and the conveyor belt 120 is started for conveying. During the conveying process, the water pump 230 is started, and the flushing water in the water tank 220 is sprayed out through the nozzle 210 to flush the waste plastics, and the baffle 200 will block the waste plastics to prevent them from falling from both sides. The conveyor belt 120 conveys the waste plastics to the end, and then drops them into the installation frame 310. After starting the crushing motor 350, a crushing roller 320 is driven to rotate, and the two crushing rollers 320 are rotated toward the center through the mutually meshing transmission gears 340, so that the waste plastics are crushed by the crushing knife 330, and the crushed waste plastics are passed through the guide The slope 360 ​​is tilted to the lower end of the inner cavity of the lifting barrel 400, and then the lifting motor 420 is started to drive the spiral lifting rod 410 to rotate, thereby lifting the waste plastic fragments at the lower end of the inner cavity of the lifting barrel 400. During the lifting process, the fan 460 and the heating wire 470 are started to allow hot air to enter the inner cavity of the lifting barrel 400 to dehydrate and dry the waste plastic fragments. The anti-leakage net 480 is set to prevent the fragments from leaking out, and finally enter the reactor 500 through the discharge pipe 430 for processing. The overall process can start from obtaining the waste plastic, cleaning, crushing, dehydration, entering the reactor for cracking, and the waste plastic can enter the reaction uninterruptedly for reaction, thereby greatly improving the output and being suitable for industrial production.

[0048] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A complete set of waste plastic cracking equipment, characterized in that: include: A base (100), wherein a housing (110) is disposed on the top of the base (100), and a conveyor belt (120) for transporting waste plastics is disposed inside the housing (110) at the top of the base (100); baffles (200), the interior of the housing (110) is symmetrically provided with baffles (200) on both sides of the transport path of the conveyor belt (120), the baffles (200) are provided with a plurality of nozzles (210) for washing waste plastics along the transport path of the conveyor belt (120), the top of the housing (110) is provided with a water tank (220), and water pumps (230) are symmetrically provided on both sides, and the water inlet ends and water outlet ends of the two water pumps (230) are respectively connected to the inner cavity of the water tank (220) and the plurality of nozzles (210) through water outlet pipes (240); A collecting basket (300), wherein the collecting basket (300) is arranged at the rear of the base (100), and a mounting frame (310) is arranged at the top of the collecting basket (300) in the inner cavity of the outer shell (110), wherein the mounting frame (310) is a rectangular frame body with upper and lower sides open, and a crushing assembly for crushing waste plastics is arranged in the inner cavity of the mounting frame (310), and the crushing assembly is located below the end of the conveying of the conveyor belt (120); A lifting barrel (400), wherein the side wall of the collecting basket (300) is provided with a lifting barrel (400) connected to the inner cavity of the collecting basket (300), the inner cavity of the lifting barrel (400) is inclined with the left side higher and the right side lower, the inner cavity of the lifting barrel (400) is provided with a lifting assembly for lifting the waste plastic fragments, and a dehydration assembly for drying and dehydrating the waste plastic fragments, the dehydration assembly comprises mounting openings (440) opened along the front and rear side walls of the lifting barrel (400), each mounting opening (440) is provided with a mounting frame (450), the inner side wall of each mounting frame (450) is provided with a fan (460) and a heating wire (470), and the upper end bottom wall of the lifting barrel (400) is connected with a discharge pipe (430); The reaction kettle (500), the discharge port of the discharge pipe (430) is connected to the feed port of the reaction kettle (500).

2. The waste plastic cracking device according to claim 1 is characterized in that: The inner cavity of the base (100) is provided with a water collection cavity, and the surface of the base (100) located inside the outer shell (110) is provided with grid holes (250), and the grid holes (250) are connected to the water collection cavity.

3. The waste plastic cracking device according to claim 2 is characterized in that: A water pump (260) is arranged on the top of the water tank (220); the water inlet and outlet of the water pump (260) are connected to the water collection chamber and the inner cavity of the water tank (220) through a water pump pipe (270), respectively; a filter screen is arranged inside the water collection chamber, and the lower end of the water pump pipe (270) is located below the filter screen.

4. The waste plastic cracking device according to claim 1 is characterized in that: The front surface of the water tank (220) is provided with a visual window (280), and the top end of the water tank (220) is connected to a water supply pipe (290).

5. The waste plastic cracking device according to claim 1 is characterized in that: The crushing assembly comprises two crushing rollers (320) rotatably arranged on the inner wall of the installation frame (310), and crushing knives (330) engaging with each other are arranged on the rods of the two crushing rollers (320).

6. The waste plastic cracking device according to claim 5 is characterized in that: The ends of the two crushing rollers (320) are rotatably extended to the outer side wall of the installation frame (310) and are respectively provided with transmission gears (340), and the teeth of the two transmission gears (340) are meshed with each other. A crushing motor (350) is fixedly provided on the outer side wall of the housing (110), and the output shaft of the crushing motor (350) is connected to the end of one crushing roller (320).

7. The waste plastic cracking device according to claim 1 is characterized in that: The inner cavity of the collection basket (300) is provided with a material guiding slope (360), and the material guiding slope (360) is inclined so that it is lower on the left and higher on the right.

8. The waste plastic cracking device according to claim 1 is characterized in that: The lifting assembly includes a spiral lifting rod (410) rotatably arranged on the inner wall of the lifting barrel (400), the spiral lifting rod (410) has the same inclination as the lifting barrel (400), and the outer wall of the lifting barrel (400) is provided with a lifting motor (420), and the output shaft of the lifting motor (420) is connected to the upper end of the spiral lifting rod (410).

9. The waste plastic cracking device according to claim 1 is characterized in that: An anti-leakage net (480) is provided at one end of the inner side surface of the mounting frame (450) facing the inner cavity of the lifting barrel (400), and the diameter of the ventilation holes of the anti-leakage net (480) is smaller than the particle diameter of the waste plastic fragments.

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