CN201800149U - Waste plastics cleaning recovery-processing wire - Google Patents

Abstract

The utility model relates to a waste plastic cleaning and recovery processing line, which comprises a crusher, a primary cleaning machine, a rinsing machine, and a secondary cleaning machine connected in sequence by a conveyor, and the rinsing machine is provided with a sediment discharge port and floating matter discharge, the sediment discharge port is connected with a sediment discharge conveyor, the floating matter discharge port is connected with the secondary cleaning machine through the conveyor, and the secondary cleaning machine discharge port is connected with a floating matter discharge port through the conveyor The material conveyor is connected. The utility model can clean a large amount of waste plastics, has high efficiency, cleans thoroughly, and can automatically classify after cleaning.

Description

Waste plastic cleaning recycling line

technical field

The utility model relates to waste recycling equipment, in particular to recycling equipment for waste plastics.

Background technique

With the development of industry, the application of plastic products has spread all over the fields of industry, agriculture and daily life. The waste plastic waste generated every day in the world cannot be estimated, but it is obvious that it has a great pressure on the environment. In order to deal with these plastics Garbage, the current method is generally landfill, incineration and so on. However, due to the long natural degradation time of ordinary plastic waste, it usually takes more than a hundred years to degrade, and a large amount of methane and other harmful substances will be produced during the degradation process, so the landfill method has been criticized by many experts; while incineration Harmful gases and smoke generated by the law directly affect the environment. At the same time, as plastics are petrochemical products, the main raw material for their production is oil, which is a non-renewable resource. At present, the global oil competition is becoming more and more fierce, and the cost of crude oil is getting higher and higher. Therefore, the recycling of plastic products is currently the solution to plastic waste. best solution to the problem. It effectively solves the threat of plastic products to the environment, and can also alleviate the use of petroleum to a certain extent. The first step in the recycling of plastic products is to clean the plastic products. Japanese patents No. 2604262 and No. 2717020 disclose that the mixture of crushed plastic and cleaning liquid is stirred in a cleaning tank, and the cleaning liquid adopts surface active agent and is equipped with agitation blades in a cleaning tank with a conical bottom. The crushed plastic is washed, dried and then melted by heating. The molten plastic is fed into an extruder, which forms cylindrical pellets. These pellets are used by themselves or together with new plastics to shape new products. The processing capacity of this plastic treatment method is small, and the efficiency is low. When cleaning liquid is used for cleaning, if it is discharged without strict treatment, it will cause pollution to the product. The Chinese patent with the publication number CN101352900 discloses a method and equipment for recycling plastic products and cleaning crushed plastics. The method includes the following steps: crushing waste plastic products to form crushed plastics in a cleaning tank a mixture of crushed plastic and cleaning liquid; and flowing the mixture back into the cleaning tank, forming a vortex therein. The crushed plastic and the crushed plastic in the vortex of the cleaning fluid rub or scrape against each other in both the circulation tube and the cleaning tank. The mixed air bubbles in the cleaning liquid can improve the cleaning ability. The equipment for cleaning crushed plastics consists of a cleaning tank, a circulation pipe and a cleaning liquid supply pump. This kind of cleaning line only needs to be cleaned once. If a good cleaning effect is to be achieved, it needs to be cleaned for a long time. pollute the environment.

Contents of the invention

The utility model mainly solves the technical problems such as low cleaning efficiency and incomplete cleaning in the prior art, and provides a cleaning process capable of cleaning a large amount of waste plastics with high efficiency, thorough cleaning, and automatic classification after cleaning. Waste plastic cleaning and recycling processing line.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: a waste plastic cleaning and recycling processing line, characterized in that it includes a crusher, a primary cleaning machine, a rinsing machine, a secondary cleaning machine, a crushing Machine, primary cleaning machine, rinsing machine, and secondary cleaning machine are connected in sequence through a conveyor. The rinsing machine includes a rack and a rinsing tank, and a rinsing drum is arranged in the rinsing tank. The front of the rinsing tank There is an initial washing tank on the upper side, and a preliminary washing drum is installed in the initial washing tank. The depth of the rinsing tank is 1.5-4 times the depth of the initial washing tank. The left end of the initial washing tank is connected with the feeding port, and the right end is connected with the rinsing tank. , the left side or the right side is lower than the rinsing drum, and there is a sediment discharge port on the outside of the rinsing tank corresponding to the left end of the rinsing drum. The sediment discharge port is connected with a sediment discharge port The discharge port of the floating matter is connected with the secondary cleaning machine through the conveyor, and the discharge port of the secondary cleaning machine is connected with a floating material discharge conveyor through the conveyor. Send waste plastics to the crusher for crushing, and then perform preliminary cleaning through the first-level cleaning machine. The preliminary cleaning can wash away some of the less viscous debris, and at the same time separate the more viscous debris to a certain extent. After preliminary cleaning The plastic is sent to the rinsing machine for rinsing. During the rinsing process, the rinsing machine washes away most of the sundries, and in this process, the plastic with higher density is separated from the plastic with lower density. The plastic is discharged from the sediment outlet, and the less dense plastic is discharged from the float outlet. The plastic discharged from the floating material outlet enters the secondary cleaning machine for cleaning. The whole cleaning line continuously cleans, conveys, feeds, and discharges materials during the cleaning process, and performs multiple cleanings and classification at the same time, so the utility model effectively improves the cleaning efficiency and cleaning degree, and the utility model The new type also solves the problem of automatic separation of plastics of different densities.

As a preference, the rinsing drum (523) and the initial washing drum (522) of the rinsing machine are both arranged horizontally and vertically, and are at the same height. The guide piece (524) that pushes to the right, and the outside of the body of the rinsing drum (523) is distributed with a guide piece that pushes the plastic film to the left. When this product is in use, the plastic film first enters from the left side of the initial washing tank. Under the movement of the initial washing drum, the plastic film is pushed forward in a spiral manner. During the advancing process, the plastic film is fully stirred. Because the initial washing tank is shallow , no matter how dense the object is, it will not be sunk, but will be rotated by the roller and pushed forward continuously, so that the material can be fully washed. When the material is pushed to the right end of the initial washing tank and enters the rinsing tank, due to the deep rinsing tank, it can settle the denser material and discharge it through the sediment outlet, while the lighter Driven by the rinsing drum, the raw material is pushed in the opposite direction to the initial washing, and it still rotates during the pushing process to make it further cleaned and discharged from the floating material outlet. This structure greatly increases the cleaning stroke without increasing the length of the rinsing tank, so that the plastic film is fully cleaned, and its structure is very compact. This spiral propulsion method makes the directionality of the plastic film better during the propulsion process, and there is no problem of material pushing backwards, and the cleaning efficiency is also greatly improved.

As a preference, 2-5 axially arranged discharge paddles are provided at the left end of the outside of the rinsing drum body corresponding to the discharge port of the float. Under the action of the guide plate, the material is pushed into the interval of the discharge paddle, and the material is directly discharged from the side under the drive of the discharge paddle, which effectively improves the efficiency of discharge, and thus improves the efficiency of the entire rinsing machine. rinse speed. the

As a preference, it is characterized in that the guide vanes are evenly arranged every four circles around the rinsing cylinder or the initial washing cylinder on the rinsing cylinder and the initial washing cylinder, wherein the density of the guide vanes on the initial washing cylinder is It is 1.2-1.5 times of the guide piece on the rinse drum. Since the primary washing drum needs to drive a lot of materials and complex components, the density of its guide plate is relatively high, while the material that needs to be driven by the rinsing drum is relatively simple, and the total amount is relatively small. In order to reduce its power demand, its guide plate The density is reduced to achieve the purpose of energy saving and high efficiency.

As a preference, both the first-level cleaning machine and the second-level cleaning machine include a mechanism and a casing, and a mesh cylinder is arranged in the casing, and cleaning and conveying rollers are arranged in the mesh cylinder, and the front and rear ends of the mesh cylinder are connected with the conveyor There are several nozzles distributed around the mesh cylinder, and the nozzles face the mesh cylinder. After the material is conveyed to the cleaning machine, the cleaning conveying roller drives the material to rotate during the rotation and conveys it to the outlet. At the same time, the nozzle sprays water to the mesh cylinder, and the water enters the mesh cylinder to clean the material. The material is cleaned at the same time It is continuously transported to the outlet end, so that it is cleaned in a dynamic process, and the cleaning efficiency is very high.

As a preference, several spray rods are arranged around the mesh cylinder, and the spray heads are evenly distributed on the spray rods, and the water spray direction of each nozzle is staggered towards the side and top surface or side of the mesh cylinder. and the underside. The arrangement of the nozzles enables the materials to be continuously cleaned when they enter the washing machine until they leave the washing machine, and during the rotation process, they can be cleaned by spraying water in all directions.

Preferably, the crusher, the primary cleaning machine, the rinsing machine, and the secondary cleaning machine all form a water supply circuit with the sewage processor through pipelines. The water used in the crusher, primary cleaning machine, rinsing machine, and secondary cleaning has been treated and must be recycled, which effectively saves the amount used and reduces the discharge of sewage.

As a preference, a feed conveyor belt is provided at the inlet end of the crusher, and the feed conveyor belt is arranged obliquely upward. The feeding conveyer belt facilitates the feeding of the operation, effectively saves the labor cost, and further improves the processing capacity of the utility model.

As preferably, the conveyor includes a conveying channel and an auger arranged therein, a mesh plate is provided at the bottom of the lower side of the conveying channel, a deflector is provided at the lower side of the mesh plate, and a deflector is provided at the bottom of the deflector. There is a water outlet. The material passing through the conveyor will have a certain amount of water. If the water is not separated, there will be a large amount of water back to the equipment in the previous process. When the lower side of the conveying channel is equipped with a mesh plate , this part of water can seep into the deflector through the deflector and be discharged through the water outlet.

Preferably, the water outlet is connected to the sewage processor through a pipeline. The water flowing out through the water outlet is sewage and needs to be treated to realize its recycling.

The beneficial effect brought by the utility model is that it solves the technical problems of low cleaning efficiency and incomplete cleaning in the prior art, and realizes a cleaning process capable of cleaning a large amount of waste plastics with high efficiency and thorough cleaning. , After cleaning, it can be automatically classified, and at the same time, it can realize the recycling of waste plastic waste plastic cleaning and recycling processing line.

Description of drawings

Accompanying drawing 1 is a kind of structural representation of the utility model;

Accompanying drawing 2 is a kind of structural representation of the rinsing machine of the present utility model;

Accompanying drawing 3 is the left view of accompanying drawing 2;

Accompanying drawing 4 is a kind of perspective view of the rinsing machine of the present utility model;

Accompanying drawing 5 is the front view of cleaning machine of the present utility model;

Accompanying drawing 6 is the right view of accompanying drawing 5;

Accompanying drawing 7 is the front view of conveyor of the present utility model;

Accompanying drawing 8 is the sectional view of conveyor of the present utility model at the B-B place of accompanying drawing 7;

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: As shown in Figure 1, the utility model is a waste plastic cleaning and recycling processing line, which includes a crusher 2, a primary cleaning machine 4, a rinsing machine 5, a secondary cleaning machine 6, a crusher 2, and a primary cleaning machine. The cleaning machine 4, the rinsing machine 5 and the secondary cleaning machine 6 are connected in sequence through the conveyor 3, and form a water supply circuit with the sewage processor 7 through pipelines. The inlet end of the crusher 2 is provided with a feed conveyor belt 1, and the feed conveyor belt 1 is arranged obliquely upward. As shown in Fig. 5 and Fig. 6, the primary cleaning machine and the secondary cleaning machine all include a frame 41 and a cabinet 42, and a mesh cylinder 43 is provided in the cabinet, and a cleaning conveying roller 46 is provided in the mesh cylinder 43, and the mesh The front and rear ends of the cylinder 43 are respectively connected with the conveyor, and several water spray bars 44 are arranged around the mesh cylinder 43, and sprinklers are evenly distributed on the water spray rods, and the spraying directions of each nozzle are staggered towards the side and top of the mesh cylinder. face or sides and bottom. As shown in Fig. 2, Fig. 3, Fig. 4, described rinsing machine comprises frame 51, rinsing tank 52 and rinsing drum 523, and the front side upper part of described rinsing tank 52 is provided with preliminary washing tank 521, and rinsing tank 52 The depth is 3 times of the initial washing tank 521 depth, the left end of the initial washing tank 521 communicates with the feed port, and the right end communicates with the rinsing tank 52, and the rinsing tank 52 is provided with a rinsing drum 523, and the initial washing tank 521 is provided with a preliminary washing tank 521. The washing drum 522, the rinsing drum 523 and the initial washing drum 522 are all arranged vertically and horizontally, and are at the same height. The outer side of the initial washing drum 522 is distributed with a guide piece 524 that pushes the plastic film to the right, and the outer side of the rinsing drum 523 is There are guide pieces for pushing the plastic film to the left. The left end of the outer side of the rinsing drum body corresponds to the outlet of the floating objects. There are 4 axially arranged discharge paddles 525. The above is evenly arranged every four circles around the rinsing cylinder or the initial washing cylinder, wherein the density of the guide pieces on the initial washing cylinder is 1.3 times that of the guide pieces on the rinsing cylinder. The outer side of the rinsing tank 52 corresponding to the left end of the rinsing drum 523 is provided with a floating substance discharge port 26 , and the left or right side of the rinsing tank 52 is provided with a sediment discharge port lower than the rinsing drum. The sediment discharge port is connected with a sediment discharge conveyor 31, the floating substance discharge port 526 is connected with the secondary cleaning machine 6 through the conveyor, and the secondary cleaning machine discharge port is conveyed with a floating substance discharge through the conveyor Machine 32 is connected. As shown in Figures 7 and 8, the conveyor 3 includes a conveying channel 31 and an auger 32 disposed therein, the bottom of the lower side of the conveying channel is provided with a mesh plate 33, and the lower side of the mesh plate 33 is provided with a flow guide The plate 34 has a water outlet 35 at the bottom of the deflector 34, and the water outlet 35 is connected to the sewage processor through a pipeline.

When the utility model is in use, the waste plastics are sent to the crusher for crushing, and then the primary cleaning machine is used for preliminary cleaning. The preliminary cleaning can clean away some of the less viscous debris, and at the same time make the more viscous debris After a certain separation, the plastics that have been preliminarily cleaned are sent to the rinsing machine for rinsing. The rinsing machine cleans most of the sundries during the rinsing process. Separation, the denser plastic is discharged from the sediment discharge port, and the less dense plastic is discharged from the float discharge port. The plastic discharged from the floating material outlet enters the secondary cleaning machine for cleaning. The whole cleaning line continuously cleans, conveys, feeds, and discharges materials during the cleaning process, and performs multiple cleanings and classification at the same time, so the utility model effectively improves the cleaning efficiency and cleaning degree, and the utility model The new type also solves the problem of automatic separation of plastics of different densities. When entering the rinsing machine, the plastic film first enters from the left side of the initial washing tank. Under the movement of the initial washing drum, the plastic film is pushed forward in a spiral manner. During the advancing process, the plastic film is fully stirred. Because the initial washing tank is shallow , no matter how dense the object is, it will not be sunk, but will be rotated by the roller and pushed forward continuously, so that the material can be fully washed. When the material is pushed to the right end of the initial washing tank and enters the rinsing tank, due to the deep rinsing tank, it can settle the denser material and discharge it through the sediment outlet, while the lighter Driven by the rinsing drum, the raw material is pushed in the opposite direction to the initial washing, and it still rotates during the pushing process to make it further cleaned and discharged from the floating material outlet. This structure greatly increases the cleaning stroke without increasing the length of the rinsing tank, so that the plastic film is fully cleaned, and its structure is very compact. This spiral propulsion method makes the directionality of the plastic film better during the propulsion process, and there is no problem of material pushing backwards, and the cleaning efficiency is also greatly improved.

Therefore, the utility model has the characteristics of high efficiency, thorough cleaning, automatic classification after cleaning, and recycling of sewage at the same time.

Claims (10)

1. a waste or used plastics cleans the recycling line, it is characterized in that: it comprises disintegrating machine (2), one-level cleaning machine (4), potcher (5), secondary cleaning machine (6), disintegrating machine (2), one-level cleaning machine (4), link to each other in turn by conveyer (3) between potcher (5) and the secondary cleaning machine (6), described potcher comprises frame (51), potcher (52), be provided with rinsing cylinder (523) in the potcher, the preceding upper lateral part of described potcher (52) is provided with primary launder (521), be provided with the previous cleaning cylinder in the primary launder, potcher (52) degree of depth is 1.5-4 a times of primary launder (521) degree of depth, the left end and the charging aperture of primary launder (521) link, right-hand member and potcher (52) link, left side or right side are lower than rinsing cylinder place and are provided with the sediment discharging opening, the outside of the potcher (52) of the left end corresponding position of rinsing cylinder (523) is provided with floating thing discharging opening (526), the sediment discharging opening links to each other with a sediment outfeed belt conveyor (31), floating thing discharging opening (526) links to each other with secondary cleaning machine (6) by conveyer, and secondary cleaning machine discharging opening links to each other with a floating thing outfeed belt conveyor (32) by conveyer.

2. waste or used plastics according to claim 1 cleans the recycling line, it is characterized in that the equal level of described rinsing cylinder (523) and previous cleaning cylinder (522) vertically is provided with, and be on the sustained height, previous cleaning cylinder (522) the stack shell outside is distributed with the prerotation vane (524) of stirring plastic sheeting and advancing to the right, and rinsing cylinder (523) the stack shell outside is distributed with stirs the prerotation vane that plastic sheeting advances left.

3. waste or used plastics according to claim 2 cleans the recycling line, it is characterized in that described rinsing cylinder stack shell outside left end is provided with 2-5 discharging that axially is provided with corresponding to floating thing discharging opening place and dials plate (525).

4. clean the recycling line according to claim 2 or 3 described waste or used plastics, it is characterized in that describedly it is characterized in that described prerotation vane evenly arranges around rinsing cylinder or previous cleaning cylinder one circle with per four on rinsing cylinder and previous cleaning cylinder, wherein, the density of the prerotation vane on the previous cleaning cylinder be the prerotation vane on the rinsing cylinder 1.2-1.5 doubly.

5. waste or used plastics according to claim 1 cleans the recycling line, it is characterized in that described one-level cleaning machine and secondary cleaning machine include frame (41), cabinet (42), be provided with mesh tube (43) in the cabinet, be provided with in the mesh tube (43) and clean conveying roller (46), the rear and front end of mesh tube (43) links to each other with conveyer respectively, be distributed with some shower nozzles (45) around the mesh tube, shower nozzle is towards mesh tube (43).

6. waste or used plastics according to claim 5 cleans the recycling line, it is characterized in that described mesh tube (43) around be provided with some spray booms (44), described shower nozzle is located at and is evenly distributed on the spray boom, the water spraying direction of each shower nozzle staggered side and end face or side and bottom surface towards the mesh tube.

7. clean the recycling line according to claim 1 or 2 or 3 or 5 or 6 described waste or used plastics, it is characterized in that described disintegrating machine (2), one-level cleaning machine (4), potcher (5), secondary cleaning machine (6) all constitute water supply loop by pipeline and apparatus for treating sewage (7).

8. clean the recycling line according to claim 1 or 2 or 3 or 5 or 6 described waste or used plastics, it is characterized in that the entrance point of described disintegrating machine (2) is provided with a charging transport tape (1), charging transport tape (1) is tilted to setting.

9. waste or used plastics according to claim 1 cleans the recycling line, it is characterized in that described conveyer (3) comprises transfer passage (31) and screw feeder (32) located therein, the bottom of the downside of transfer passage is provided with mesh plate (33), the downside of mesh plate (33) is provided with deflector (34), and delivery port (35) is arranged at the bottom of deflector (34).

10. waste or used plastics according to claim 9 cleans the recycling line, it is characterized in that described delivery port (35) links to each other with apparatus for treating sewage by pipeline.

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