CN206383348U - Cleaning line for material recycle - Google Patents

Abstract

The utility model discloses a cleaning line for material recovery, comprising a pre-crusher; a first pre-washer, the feed end of the first pre-washer is connected with the discharge end of the pre-crusher, and is used to receive the The material output from the discharge end of the pre-crushing machine is used to dry-clean the material for the first time; the second pre-washing machine, the feed end of the second pre-washing machine is connected to the discharge end of the first pre-washing machine , and is used to receive the material output from the discharge end of the first pre-washing machine to dry-clean the material for the second time. The utility model can coarsely crush the materials through the pre-crusher, and the coarsely crushed materials can enter the first pre-washing machine and the second pre-washing machine in turn, and perform the first dry cleaning under the action of the first pre-washing machine, and at the same time The second dry cleaning is carried out under the action of the second pre-washing machine; the recovered materials contain less impurities and sediment, and are easier to wash than water, saving a lot of water resources. In the next step of shredding operation, it can also play a certain role in protecting the shredder.

Description

Washing lines for material recovery

technical field

The utility model relates to the technical field of material recovery, in particular to a cleaning line for material recovery.

Background technique

Generally, when recycling materials, it is often necessary to clean the removed materials before proceeding to the next step of processing. For materials such as recycled films or plastics, the cleaning process usually involves transporting the film to the work base, shredding the film with a shredder, and then washing and dehydrating it with water. However, since the recovered materials (film or plastic, etc.) contain a lot of impurities such as silt and sand after recovery, washing them directly with water will waste water resources and have low cleanliness. At the same time, in the case of a large amount of recycled materials and a long distance from the recycling base, sending these materials back to the recycling base will waste a lot of financial and material resources, and will also bring a lot of garbage to the recycling base.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a cleaning line for material recovery, which can dry-clean the recovered material twice after coarse crushing, saving resources and having a high degree of cleanliness.

The purpose of this utility model adopts following technical scheme to realize:

Washing lines for material recovery, including,

pre-shredder;

The first pre-washing machine, the feed end of the first pre-washing machine is connected to the discharge end of the pre-crusher, and is used to receive the material output from the discharge end of the pre-crusher to perform the first step on the material dry cleaning;

The second pre-washing machine, the feed end of the second pre-washing machine is connected to the discharge end of the first pre-washing machine, and is used to receive the material output from the discharge end of the first pre-washing machine for processing The material is dry cleaned a second time.

Preferably, the pre-shredder includes a crushing chamber, a knife shaft pivotally connected in the crushing chamber, a moving knife and a fixed knife installed on one side of the crushing chamber; A cutting gap is formed between them.

Preferably, the cutter shaft is provided with a plurality of movable knife seat groups, and the plurality of movable knife seat groups are helically distributed along the axis of the knife shaft; the movable knife seat group includes a plurality of movable knife seats, and the plurality of movable knife seat The axes are spaced in an array; each movable knife seat is provided with the movable knife on both sides of the rotating direction of the knife shaft.

Preferably, the projections of all the movable knives on the axial end surface of the cutter shaft are arranged at intervals around the axis of the cutter shaft.

Preferably, the first pre-washing machine comprises,

The first box, a material cavity is formed inside the first box; one end of the material cavity is formed with a first feed port, and the other end of the material cavity is formed with a first discharge port; the bottom end of the material cavity is formed with a first sediment outlet; the first feed port forms the feed end of the first pre-washing machine, and the first discharge port forms the discharge end of the first pre-washing machine;

A main shaft, the main shaft is pivotally connected in the material chamber; one end of the main shaft forms a feeding end, and the other end of the main shaft forms a cleaning end; the first feeding trough is arranged on the feeding end, and the first feeding chute is arranged in a spiral shape The outer surface of the feeding end extends along the axial direction of the main shaft; the cleaning end is provided with a cleaning tank, and the cleaning tank is spirally distributed on the outer surface of the cleaning end and extends along the axial direction of the main shaft; And the pitch of the cleaning tank is greater than the pitch of the first feeding tank; one end of the first feeding tank is connected with the first feeding port, the other end of the first feeding tank is connected with one end of the cleaning tank, and the other end of the cleaning tank is connected with the first outlet. The feed port is connected; the first sediment outlet is located below the cleaning end.

Preferably, the second prewashing machine comprises,

The second box body, an installation cavity is formed in the second box body, one end of the installation cavity is provided with a second feeding port, the other end of the installation cavity is provided with a second discharge port; the bottom end of the installation cavity is provided with a second sediment outlet; the second feed port forms the feed end of the second pre-washing machine, and the second discharge port forms the discharge end of the second pre-washing machine;

The drum is pivotally connected to the installation cavity, and the inside of the drum forms a cleaning chamber; the inner surface of the drum is provided with a second feeding groove, and the second feeding groove is spirally distributed on the inner surface of the drum and extends along the axial direction of the drum ; One end of the second feeding chute communicates with the second feed port, and the other end of the second feeding trough communicates with the second discharge port; the drum is provided with a plurality of sieve holes, and the plurality of sieve holes are used to clean the cleaning chamber It communicates with the second sediment outlet.

Preferably, it also includes a collecting device connected to the discharge end of the second pre-washing machine.

Preferably, a first conveying device is provided between the material collecting device and the discharge end of the second pre-washing machine, and the starting end of the first conveying device is connected to the discharge end of the second pre-washing machine; The end is connected to the collection device.

Preferably, a second conveying device is provided between the discharge end of the pre-crusher and the feed end of the first pre-washer, and the starting end of the second conveying device is connected to the discharge end of the pre-crusher. end, the end of the second conveying device is connected to the feed end of the first pre-washing machine.

Preferably, a third conveying device is provided between the discharge end of the first pre-washing machine and the feed end of the second pre-washing machine, and the starting end of the third conveying device is connected to the first pre-washing machine The discharge end of the third conveying device is connected to the feed end of the second pre-washing machine.

Compared with the prior art, the utility model has the beneficial effect that: it can coarsely crush the material through the pre-crusher, and the coarsely crushed material can enter the first pre-washing machine and the second pre-washing machine in sequence, and the first pre-washing machine The first dry cleaning is performed under the action of the washing machine, and the second dry cleaning is performed under the action of the second pre-washing machine; in this way, the materials after the second dry cleaning can be directly recovered, so that the recovered materials contain impurities and mud There is less sand, and it is easier to wash than water, which saves a lot of water resources. The newly recovered materials are pre-washed and then transported to the final crushing and cleaning base for shredding, which reduces a lot of unnecessary transportation. In the next step of shredding operation, the content of sand and stone is small, which can also protect the shredder to a certain extent.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the production line of the present utility model;

Fig. 2 is the top view of production line of the present utility model;

Fig. 3 is the structural view of the cutter shaft of the pre-shredder of the present utility model;

Fig. 4 is the front structural schematic diagram of the cutter shaft of the pre-shredder of the present utility model;

Fig. 5 is the sectional view of the first prewashing machine of the present utility model;

Fig. 6 is a sectional view of the second pre-washing machine of the present invention.

In the figure: 100, pre-shredder; 110, crushing cavity; 120, knife shaft; 121, moving knife; 122, moving knife seat; 200, first pre-washing machine; 210, first box; 211, first mud Sand outlet; 212, first discharge port; 213, water pipe; 220, main shaft; 221, first feeding tank; 222, cleaning tank; 230, second driving mechanism; 300, second pre-washing machine; 310, cleaning chamber ; 311, the second feeding trough; 320, the third driving mechanism; 330, the brush roller; 340, the second sediment outlet; 350, the dust removal port; 400, the second conveying device; 500, the third conveying device; 600, first delivery device.

detailed description

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is described further:

The cleaning line for material recovery as shown in Figure 1 and Figure 2 includes a pre-crushing machine 100, a first pre-washing machine 200 and a second pre-washing machine 300, specifically the feed end of the first pre-washing machine 200 is connected to the The discharge end of the pre-shredder 100 is connected, and the first pre-washer 200 can be used to receive the material output from the discharge end of the pre-shredder 100 . At the same time, the feed end of the second pre-washing machine 300 is connected to the discharge end of the first pre-washing machine 200. Similarly, the second pre-washing machine 300 can be used to receive the The material output from the discharge end of the machine 200.

On the basis of the above structure, when using the cleaning line of the present invention, in this embodiment, cleaning agricultural film is taken as an example, the recovered film can be put into the pre-shredder 100 for coarse crushing. And the film after the coarse crushing of pre-shredder 100 can enter in the first pre-washing machine 200, can carry out the first dry cleaning to the film after the coarse crushing in the first pre-washing machine 200; The materials after dry cleaning within 200 will enter the second pre-washing machine 300 and undergo the second dry cleaning. In this way, the materials after the second dry cleaning can be directly recycled, so that the recycled materials contain less impurities and sediment , and it is easier to clean than water, saving a lot of water resources. The newly recovered film is pre-washed and then transported to the final special crushing and cleaning base for shredding and cleaning, which reduces a lot of unnecessary transportation. In the next step of shredding operation, the sand and stone content is small, which can also protect the shredder to a certain extent.

Preferably, in this embodiment, the above-mentioned pre-crusher 100 specifically includes a crushing chamber 110, a knife shaft 120, a moving knife 121 and a fixed knife, so that the knife shaft 120 is pivotally connected to the knife shaft 120 in the crushing chamber 110, and the moving knife 121 Installed on the outer surface of the cutter shaft 120, the fixed knife is installed on one side of the crushing cavity 110 at the same time. In this way, during the rotation of the knife shaft 120, a cutting gap can be formed between the moving knife 121 and the fixed knife, that is, the film entering the crushing chamber 110 will enter the cutting gap between the moving knife 121 and the fixed knife. inside, and is initially shredded under the cutting action of the moving knife 121 and the fixed knife.

Preferably, referring to FIG. 3 , multiple groups of movable knife seats 122 may be provided on the knife shaft 120 so that the multiple groups of movable knife seats 122 are helically distributed along the axial direction of the knife shaft 120; and each group of movable knife seats 122 includes A plurality of moving knife seats 122, a plurality of moving knife seats 122 are arrayed at intervals around the axis of the knife shaft 120, and the moving knife 121 is arranged on both sides of each moving knife seat 122 along the rotation direction of the knife shaft 120. Based on the structure, the movable knife 121 installed on the movable knife seat 122 is distributed in a spiral shape along the axial direction of the knife shaft 120, that is, when the knife shaft 120 rotates, different movable knives 121 will continuously cut with the fixed knife to complete the cutting of the film. cutting, reducing the wear and tear of a single moving knife 121. Moreover, the movable knife seat 122 is provided with a movable knife 121 on both sides of the rotation direction of the knife shaft 120, so that the film can be cut on both sides by the forward rotation and reverse rotation of the motor, and the crushing efficiency is better.

Preferably, referring to FIG. 4 , on the basis of the above structure, the projections of all the moving knives 121 on the axial end surface of the knife shaft 120 can be arranged at intervals around the axis of the knife shaft 120 , that is to say, on the circumference of the knife shaft 120 direction, all the moving knives 121 are distributed in a staggered manner, so that there are more cutting points in the direction of rotation of the knife shaft 120, and the film will be cut multiple times during one revolution, and each cut is Different moving knife 121 and fixed knife produce, can improve the cutting force of knife roller on the one hand, on the other hand the useful work done when the motor rotates a circle is more, so can reduce energy consumption.

Certainly, the above-mentioned pre-shredder 100 can also be replaced by other crushing devices for shredding materials in the prior art. And the above-mentioned cutter shaft 120 can specifically rotate under the drive of the first driving mechanism, and the first driving mechanism can be a first motor installed on the pre-washing machine.

Preferably, referring to FIG. 5 , the first pre-washing machine 200 may include a first box body 210 , a main shaft 220 and a second driving mechanism 230 . A material cavity is formed in the first box body 210, and a first material inlet is formed at one end of the material cavity, a first discharge port 212 is formed at the other end of the material cavity, and a first mud is formed at the bottom of the material cavity. Sha Exit 211. At the same time, the main shaft 220 is pivotally connected in the material chamber, and the main shaft 220 can rotate in the material chamber driven by the second driving mechanism 230 .

Specifically, one end of the main shaft 220 forms a feeding end, while the other end of the main shaft 220 forms a cleaning end. The first feeding groove 221 is arranged on the feeding end, and the first feeding groove 221 is distributed on the outer surface of the feeding end in a spiral shape, and the first feeding groove 221 extends along the axial direction of the main shaft 220 . In addition, a cleaning tank 222 is provided on the cleaning end. Similarly, the cleaning tank 222 is distributed on the outer surface of the cleaning end in a spiral shape, and the cleaning tank 222 also extends along the axial direction of the main shaft 220, and the cleaning tank 222 The screw pitch is greater than the screw pitch of the first feeding groove 221 . One end of the first feed tank 221 is communicated with the first feeding port, the other end of the first feed tank 221 is communicated with one end of the cleaning tank 222, and the other end of the cleaning tank 222 is communicated with the first discharge port 212; A sediment outlet 211 can be located below the cleaning end. That is, the above-mentioned first feeding port forms the feeding end of the first pre-washing machine 200 , and the first feeding port 212 forms the discharging end of the first pre-washing machine 200 .

On the basis of the above structure, the film output from the discharge end of the pre-shredder 100 can enter the material chamber through the first feed port, start the second drive mechanism 230, and the film that falls from the first feed port of the material chamber The film is fed in from the feeding end of the main shaft 220 . In this way, during the rotation of the main shaft 220 , the film is pushed along the helical first feeding trough 221 , and transported into the cleaning tank 222 along the extending direction of the first feeding trough 221 . After the film enters the cleaning tank 222 from the first feeding tank 221, since the cleaning tank 222 is also distributed in a spiral shape, the film will also be pushed along the cleaning tank 222, and finally pushed to the first discharge port 212 and enters the second Further dry cleaning takes place in the pre-wash machine 300 .

Because in the continuous pushing process of the film, the silt attached to the material will be separated from the material under the action of centrifugal force when the main shaft 220 rotates and pushes the material, so the silt will be dropped by the first silt outlet 211 of the material chamber. Falling, to achieve the purpose of dry cleaning the film, and the cleaned film will be sent to the first discharge port 212.

At the same time, because the pitch of the cleaning tank 222 is greater than the pitch of the first feeding tank 221, after the film enters the cleaning tank 222 from the first feeding tank 221, the film can be in the middle of the rotation process of the main shaft 220 due to the increased pitch of the cleaning tank 222. Dispersion increases the friction between the film and the main shaft 220, so that the sediment attached to the material is separated from the film under the action of centrifugal force.

Of course, a water pipe 213 can also be installed in the above-mentioned material chamber, so that the film entering the material chamber can be wetted through the water pipe 213, so as to avoid dust flying during the film dry-cleaning process. And the above-mentioned second driving mechanism 230 may adopt a second motor.

Preferably, referring to FIG. 6 , the second pre-washing machine 300 includes a second box, a drum and a third driving mechanism 320 . An installation cavity is formed in the second box, and one end of the installation cavity is provided with a second feed port, and the other end of the installation cavity is provided with a second discharge port; at the same time, a second sediment outlet is provided at the bottom of the installation cavity 340. In addition, the above-mentioned roller is pivotally connected in the installation cavity, and the third driving mechanism 320 can drive the roller to rotate. Specifically, the inside of the drum forms a cleaning chamber 310, and the inner surface of the drum is provided with a second feeding groove 311, so that the second feeding groove 311 is spirally distributed on the inner surface of the drum and extends along the axial direction of the drum, At the same time, one end of the second feed tank 311 is communicated with the second feed port, and the other end of the second feed tank 311 is communicated with the second discharge port. A plurality of sieve holes (not shown in the figure) can also be provided on the drum, and the plurality of sieve holes can be used to communicate the cleaning chamber 310 with the second sediment outlet 340 . That is, the above-mentioned second feed port can form the feed end of the second pre-washing machine 300 , and the second discharge port can form the discharge end of the second pre-wash machine 300 .

On the basis of the above structure, the film output from the discharge end of the first pre-washing machine 200 will enter the cleaning chamber 310 (that is, the inside of the drum) through the second feed port, and at the same time start the third drive mechanism 320, and the drum will Start to rotate. During the rotation of the drum, the film will be pushed along the helical extension direction of the second feed chute 311. During the pushing process of the film, due to the continuous rotation of the drum, the film will be attached to the drum under the action of centrifugal force. The inner surface of the film is broken up, and the silt attached to the film will be separated from the film under the action of centrifugal force, and the silt will be discharged from the second silt outlet 340 through multiple sieve holes under the action of its own gravity; The film on the inner surface of the drum will be pushed to the second discharge port for recycling for the next step of processing. So far, the second dry cleaning of the film has been completed. The above-mentioned third driving mechanism 320 can adopt a sprocket transmission mechanism, specifically, a chain is wound around the outer surface of the drum, and the sprocket meshing with the chain can be driven by a third motor.

Of course, since the film entering the second pre-washing machine 300 may also contain a lot of impurities such as silt, a lot of dust will be generated in the whole process, so a dust removal port 350 can be provided at the top of the installation cavity. The port 350 is used to connect the cleaning chamber 310 with an external dust removal device, so as to avoid flying dust and affect the working environment. The dust removal device can be selected from the dust removal equipment in the prior art, such as high-voltage electrostatic dust removal, ventilation dust removal and the like. In addition, a brush roller 330 extending in the axial direction of the cylinder can also be installed in the installation cavity. During the continuous rotation of the cylinder, the brush roller 330 can continuously contact the outer surface of the cylinder and clean all the impurities. The above-mentioned multiple sieve holes can make the silt in the sieve holes drop and avoid the sieve holes from being clogged.

Preferably, the cleaning line in this embodiment can also include a collecting device, which is connected to the discharge end of the second pre-washing machine 300, so that the dry-cleaned film output from the second pre-washing machine 300 It can directly enter the collecting device, which is convenient for the next step of processing.

Preferably, a first conveying device 600 may also be provided between the above-mentioned collecting device and the discharge end of the second pre-washing machine 300, so that the starting end of the first conveying device 600 is connected to the end of the second pre-washing machine 300. Discharge end: the end of the first conveying device 600 is connected to the collecting device, and the clean film is conveyed to the collecting device through the first conveying device 600, which is more convenient.

Similarly, a second conveyor 400 is provided between the discharge end of the pre-crusher 100 and the feed end of the first pre-washer 200, so that the starting end of the second conveyor 400 is connected to the pre-crusher 100, the end of the second conveying device 400 is connected to the feed end of the first pre-washing machine 200; further, at the discharge end of the first pre-washing machine 200 and the second pre-washing machine A third conveying device 500 may also be provided between the feeding ends of 300, so that the starting end of the third conveying device 500 is connected to the discharge end of the first pre-washing machine 200, and the end of the third conveying device 500 is connected to the first prewashing machine 200. The feed end of the second pre-washing machine 300. The material is transferred through the second conveying device 400 and the third conveying device 500, so that the whole cleaning process is more stable and orderly, and the materials are prevented from being concentrated into the first pre-washing machine 200 and the second pre-washing machine 300, causing machine failure.

It should be noted that the first conveying device 600 , the second conveying device 400 and the third conveying device 500 can all be conveyed by conveyor belts in the prior art. In addition, the first pre-washing machine 200 and the second pre-washing machine 300 are also replaced by other dry cleaning machines used for material recovery in the prior art.

For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.

Claims (10)

1. A washing line for material recovery, characterized in that it comprises, pre-shredder; The first pre-washing machine, the feed end of the first pre-washing machine is connected to the discharge end of the pre-crusher, and is used to receive the material output from the discharge end of the pre-crusher to perform the first step on the material dry cleaning; The second pre-washing machine, the feed end of the second pre-washing machine is connected to the discharge end of the first pre-washing machine, and is used to receive the material output from the discharge end of the first pre-washing machine for processing The material is dry cleaned a second time. 2. The cleaning line for material recovery according to claim 1, characterized in that the pre-crusher includes a crushing chamber, a knife shaft pivotally connected in the crushing chamber, a moving knife and a fixed knife installed on one side of the crushing chamber ; The moving knife is installed on the outer surface of the knife shaft, and is used to form a cutting gap with the fixed knife. 3. The cleaning line for material recovery as claimed in claim 2, characterized in that, the cutter shaft is provided with a plurality of movable knife seat groups, and the plurality of movable knife seat groups are helically distributed along the axial direction of the cutter shaft; The knife seat group includes a plurality of movable knife seats arranged at intervals around the axis of the knife shaft; each movable knife seat is provided with said movable knife on both sides along the rotation direction of the knife shaft. 4. The cleaning line for material recovery according to claim 3, wherein the projections of all the movable knives on the axial end surface of the cutter shaft are arranged at intervals around the axis of the cutter shaft. 5. The washing line for material recovery according to claim 1, characterized in that the first pre-washing machine comprises, The first box, a material cavity is formed inside the first box; one end of the material cavity is formed with a first feed port, and the other end of the material cavity is formed with a first discharge port; the bottom end of the material cavity is formed with a first sediment outlet; the first feed port forms the feed end of the first pre-washing machine, and the first discharge port forms the discharge end of the first pre-washing machine; A main shaft, the main shaft is pivotally connected in the material chamber; one end of the main shaft forms a feeding end, and the other end of the main shaft forms a cleaning end; the first feeding trough is arranged on the feeding end, and the first feeding chute is arranged in a spiral shape The outer surface of the feeding end extends along the axial direction of the main shaft; the cleaning end is provided with a cleaning tank, and the cleaning tank is spirally distributed on the outer surface of the cleaning end and extends along the axial direction of the main shaft; And the pitch of the cleaning tank is greater than the pitch of the first feeding tank; one end of the first feeding tank is connected with the first feeding port, the other end of the first feeding tank is connected with one end of the cleaning tank, and the other end of the cleaning tank is connected with the first outlet. The feed port is connected; the first sediment outlet is located below the cleaning end. 6. The washing line for material recovery according to claim 1, characterized in that the second pre-washing machine comprises, The second box body, an installation cavity is formed in the second box body, one end of the installation cavity is provided with a second feeding port, the other end of the installation cavity is provided with a second discharge port; the bottom end of the installation cavity is provided with a second sediment outlet; the second feed port forms the feed end of the second pre-washing machine, and the second discharge port forms the discharge end of the second pre-washing machine; The drum is pivotally connected to the installation cavity, and the inside of the drum forms a cleaning chamber; the inner surface of the drum is provided with a second feeding groove, and the second feeding groove is spirally distributed on the inner surface of the drum and extends along the axial direction of the drum ; One end of the second feeding chute communicates with the second feed port, and the other end of the second feeding trough communicates with the second discharge port; the drum is provided with a plurality of sieve holes, and the plurality of sieve holes are used to clean the cleaning chamber It communicates with the second sediment outlet. 7 . The washing line for material recovery according to claim 6 , further comprising a material collecting device connected to the discharge end of the second pre-washing machine. 8 . 8. The cleaning line for material recovery as claimed in claim 7, characterized in that, a first conveying device is arranged between the material collecting device and the discharge end of the second pre-washing machine, and the lifting device of the first conveying device The starting end is connected to the discharge end of the second pre-washing machine; the end of the first conveying device is connected to the collecting device. 9. The cleaning line for material recovery as claimed in claim 1, characterized in that, a second conveying device is provided between the discharge end of the pre-shredder and the feed end of the first pre-washer The starting end of the second conveying device is connected to the discharge end of the pre-crushing machine, and the end of the second conveying device is connected to the feeding end of the first pre-washing machine. 10. The cleaning line for material recovery as claimed in claim 1 or 9, characterized in that, between the discharge end of the first pre-washer and the feed end of the second pre-washer The third conveying device, the starting end of the third conveying device is connected to the discharge end of the first pre-washing machine, and the end of the third conveying device is connected to the feeding end of the second pre-washing machine.