Waste paper recycling pretreatment equipment

Abstract

The utility model relates to the technical field of waste paper recovery, in particular to waste paper recovery pretreatment equipment, which not only can screen sand and staples in waste paper to prevent impurities from influencing the quality of paper pulp, but also can extract the waste paper twice to improve the crushing effect of the waste paper and improve the quality of the paper pulp. Comprising a treatment cylinder; the waste paper processing device further comprises a smashing mechanism, a grinding mechanism, a filtering mechanism and a water conveying mechanism, the smashing mechanism is installed on the processing cylinder and used for smashing waste paper, the grinding mechanism is installed on the processing cylinder and used for grinding paper pulp, the filtering mechanism is installed on the grinding mechanism and used for filtering staples and dust, and the water conveying mechanism is installed on the processing cylinder and used for spraying water to the waste paper.

Description

Technical Field

[0001] The utility model relates to the technical field of waste paper recycling, in particular to a waste paper recycling pretreatment device. Background Art

[0002] Waste paper treatment is a process of reprocessing the recycled waste paper to obtain qualified fibers for the production of paper products. The recycling and utilization of waste paper are beneficial to environmental protection, forest protection, and resource conservation. Through a series of processes of waste paper pulping and re-papermaking, waste paper can be reused multiple times, reducing production costs while making full use of resources.

[0003] Existing waste paper recycling pretreatment devices, such as a waste paper recycling pretreatment device disclosed in the utility model patent with the application number 202020695792.X, its main structure includes a box body. An upper cavity is opened at the top inside the box body. Both the left and right sides of the top inner wall of the upper cavity are fixedly connected with first hydraulic telescopic rods. The bottom of the first hydraulic telescopic rod is fixedly connected with an upper baffle. The left side of the upper baffle is in contact with the left surface of the inner wall of the upper cavity. Two paper feeding ports are opened at the left end of the top surface of the box body. When in use, the user throws the waste paper into the device from the paper feeding ports. Two crushing drums with opposite rotation directions crush the waste paper, and it slides down to the compression cavity through the inclined plane inside the box body. The user first controls the first hydraulic telescopic rod to compress the shredded paper flush with the upper edge of the compression plate, and then controls the two second hydraulic telescopic rods to compress towards each other to compress the shredded paper into a tight paper block. Finally, when the lower baffle is opened, the paper block will fall into the packing bag previously sleeved at the bottom of the discharge port.

[0004] However, the existing waste paper recycling devices are not convenient for separating waste paper from impurities, so that sand, staples, etc. on the waste paper will affect the quality of the pulp. Moreover, most of the existing waste paper recycling devices only perform one cutting, and it is easy to make the pulp particles uneven. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a waste paper recycling pretreatment device that can not only screen sand and staples in waste paper to avoid impurities affecting the pulp quality, but also perform two shredding operations on the waste paper to improve the shredding effect of the waste paper and improve the pulp quality.

[0006] A waste paper recycling pretreatment device of the utility model includes a processing cylinder; it also includes a crushing mechanism, a grinding mechanism, a filtering mechanism and a water supply mechanism. The crushing mechanism is installed on the processing cylinder and crushes waste paper. The grinding mechanism is installed on the processing cylinder and grinds the pulp. The filtering mechanism is installed on the grinding mechanism and filters staples and dust. The water supply mechanism is installed on the processing cylinder and sprays water on the waste paper. The staff puts the waste paper into the processing cylinder, starts the crushing mechanism to crush the waste paper, and at the same time starts the water supply mechanism to spray water on the waste paper. The crushed waste paper falls onto the filtering mechanism for filtering, and then the pulp flows into the water supply mechanism, and the water supply mechanism grinds the pulp to improve the fineness of the pulp.

[0007] Preferably, the processing cylinder includes a cylinder body, a processing box, a feeding port, a liquid discharge pipe and a valve. The bottom end of the cylinder body is connected to the ground, and a cavity is arranged inside the cylinder body. The bottom end of the processing box is communicated with the inner top end of the cylinder body. An inlet is opened on the processing box and is communicated with the inner cavity of the cylinder body. The feeding port is installed at the inlet of the processing box. The top end of the liquid discharge pipe is communicated with the inner bottom end of the cylinder body. The valve is installed on the liquid discharge pipe. The staff transports the waste paper into the processing box through the feeding port, which facilitates the crushing mechanism to crush the waste paper. The pulp after crushing and filtering enters the cavity of the cylinder body and is ground by the grinding mechanism. After grinding, the valve is opened, and the pulp is discharged through the liquid discharge pipe.

[0008] Preferably, the crushing mechanism includes a first motor, a first reducer, a first transmission shaft, four groups of first bevel gears, four groups of rotating shafts, four groups of second bevel gears and multiple groups of cutting blades. The first motor is installed on the processing box, the first reducer is installed on the processing box, the first transmission shaft is rotatably installed on the processing box and is longitudinally connected to the first reducer. The four groups of first bevel gears are all installed on the first transmission shaft. The four groups of rotating shafts are all rotatably installed in the cavity of the processing box. The four groups of second bevel gears are respectively installed on the four groups of rotating shafts. The multiple groups of cutting blades are all installed on the four groups of rotating shafts. The waste paper falls onto the multiple groups of cutting blades through the feeding port. The first motor is started, and the first motor drives the first transmission shaft and the four groups of first bevel gears to rotate through the first reducer. The four groups of first bevel gears are respectively meshed with the four groups of second bevel gears for transmission. The four groups of second bevel gears drive the four groups of rotating shafts to rotate, and the four groups of rotating shafts drive the multiple groups of cutting blades to rotate to cut and crush the waste paper.

[0009] Preferably, the grinding mechanism includes a second motor, a second speed reducer, a second transmission shaft, grinding rollers, and two groups of first scraping plates. The bottom end of the second motor is connected to the bottom end of the cylinder body, the bottom end of the second speed reducer is connected to the bottom end of the cylinder body, the second transmission shaft is rotatably installed at the bottom end inside the cavity of the cylinder body and is longitudinally connected to the second speed reducer, the grinding rollers are installed on the second transmission shaft, and the two groups of first scraping plates are both installed inside the cavity of the cylinder body; after the pulp is filtered by the filtering mechanism, it falls onto the grinding rollers, and the two groups of first scraping plates scrape off the pulp at the top of the grinding rollers, so that the pulp enters the gap between the grinding rollers and the inner wall of the cylinder body. Then, start the second motor, and the second motor drives the second transmission shaft and the grinding rollers to rotate through the second speed reducer, and the rotating grinding rollers grind the pulp.

[0010] Preferably, the filtering mechanism includes a magnetic adsorption filter plate, a connecting shaft, and a second scraping plate. The magnetic adsorption filter plate is installed inside the cavity of the cylinder body, the bottom end of the connecting shaft is connected to the top end of the grinding roller, and the second scraping plate is installed on the connecting shaft and contacts the upper surface of the magnetic adsorption filter plate; the magnetic adsorption filter plate filters the pulp and adsorbs the staples in the pulp. The grinding roller drives the connecting shaft and the second scraping plate to rotate, and the second scraping plate stirs the pulp on the surface of the magnetic adsorption filter plate to prevent the pulp from blocking the magnetic adsorption filter plate.

[0011] Preferably, the water supply mechanism includes a water pump, a water suction pipe, a water delivery pipe, four groups of first high-pressure spray nozzles, a water distribution pipe, and multiple groups of second high-pressure spray nozzles. The bottom end of the water pump is connected to the top end of the treatment tank, the water suction pipe is installed on the water pump, the water delivery pipe is installed on the water pump, the four groups of first high-pressure spray nozzles are all installed inside the cavity of the cylinder body and are located above the magnetic adsorption filter plate, the four groups of first high-pressure spray nozzles are all internally communicated with the water delivery pipe, the water distribution pipe is installed inside the cavity of the treatment tank and is internally communicated with the water delivery pipe, and the multiple groups of second high-pressure spray nozzles are all installed on the water distribution pipe and are internally communicated with the water distribution pipe; connect the water suction pipe to the water source, start the water pump, the water pump pumps water through the water suction pipe, the water pump conveys the clear water to the multiple groups of second high-pressure spray nozzles through the water delivery pipe and the water distribution pipe, the multiple groups of second high-pressure spray nozzles spray out the clear water to wash the multiple groups of cutting blades, which not only prevents waste paper from remaining on the cutting blades, but also facilitates turning the waste paper into pulp. The four groups of first high-pressure spray nozzles spray out the clear water to wash the magnetic adsorption filter plate to prevent the pulp from blocking the magnetic adsorption filter plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The staff puts waste paper into the treatment cylinder, starts the crushing mechanism to crush the waste paper, and at the same time starts the water supply mechanism to spray water on the waste paper. The crushed waste paper falls onto the filtering mechanism for filtering, and then the pulp flows into the water supply mechanism, and the water supply mechanism grinds the pulp to improve the fineness of the pulp. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an isometric structural schematic diagram of the present utility model;

[0014] Figure 2It is a front view structural schematic diagram of the processing cylinder of the present utility model;

[0015] Figure 3 It is a sectional axonometric structural schematic diagram of the crushing mechanism of the present utility model;

[0016] Figure 4 It is a sectional axonometric structural schematic diagram of the grinding mechanism, filtering mechanism and water delivery mechanism of the present utility model;

[0017] Figure 5 It is a partial enlarged axonometric structural schematic diagram of the processing cylinder and the water delivery mechanism of the present utility model.

[0018] Reference signs in the drawings: 01, processing cylinder; 11, cylinder body; 12, processing box; 13, feeding plate; 14, liquid discharge pipe; 15, valve; 02, crushing mechanism; 21, motor I; 22, speed reducer I; 23, transmission shaft I; 24, bevel gear I; 25, rotating shaft; 26, bevel gear II; 27, cutting blade; 03, grinding mechanism; 31, motor II; 32, speed reducer II; 33, transmission shaft II; 34, grinding roller; 35, first scraper; 04, filtering mechanism; 41, magnetic adsorption filter plate; 42, connecting shaft; 43, second scraper; 05, water delivery mechanism; 51, water pump; 52, water suction pipe; 53, water delivery pipe; 54, high-pressure spray head I; 55, water distribution pipe; 56, high-pressure spray head II. Detailed implementation manners

[0019] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] Embodiment 1

[0021] A waste paper recycling pretreatment device of the utility model includes a treatment cylinder 01; it also includes a crushing mechanism 02, a grinding mechanism 03, a filtering mechanism 04 and a water delivery mechanism 05. The crushing mechanism 02 is installed on the treatment cylinder 01 and crushes waste paper. The grinding mechanism 03 is installed on the treatment cylinder 01 and grinds the pulp. The filtering mechanism 04 is installed on the grinding mechanism 03 and filters staples and dust. The water delivery mechanism 05 is installed on the treatment cylinder 01 and sprays water on the waste paper; The treatment cylinder 01 includes a cylinder body 11, a treatment box 12, a feeding class 13, a liquid discharge pipe 14 and a valve 15. The bottom end of the cylinder body 11 is connected to the ground. There is a cavity inside the cylinder body 11. The bottom end of the treatment box 12 is connected to the inside of the top end of the cylinder body 11. There is a feed inlet on the treatment box 12 that is connected to the inside of the cavity of the cylinder body 11. The feeding class 13 is installed at the feed inlet of the treatment box 12. The top end of the liquid discharge pipe 14 is connected to the inside of the bottom end of the cylinder body 11. The valve 15 is installed on the liquid discharge pipe 14; The crushing mechanism 02 includes a first motor 21, a first speed reducer 22, a first transmission shaft 23, four groups of first bevel gears 24, four groups of rotating shafts 25, four groups of second bevel gears 26 and multiple groups of cutting blades 27. The first motor 21 is installed on the treatment box 12. The first speed reducer 22 is installed on the treatment box 12. The first transmission shaft 23 is rotatably installed on the treatment box 12 and is longitudinally connected to the first speed reducer 22. The four groups of first bevel gears 24 are all installed on the first transmission shaft 23. The four groups of rotating shafts 25 are all rotatably installed in the cavity of the treatment box 12. The four groups of second bevel gears 26 are respectively installed on the four groups of rotating shafts 25. The multiple groups of cutting blades 27 are all installed on the four groups of rotating shafts 25; The grinding mechanism 03 includes a second motor 31, a second speed reducer 32, a second transmission shaft 33, a grinding roller 34 and two groups of first scraping plates 35. The bottom end of the second motor 31 is connected to the bottom end of the cylinder body 11. The bottom end of the second speed reducer 32 is connected to the bottom end of the cylinder body 11. The second transmission shaft 33 is rotatably installed at the bottom end inside the cavity of the cylinder body 11 and is longitudinally connected to the second speed reducer 32. The grinding roller 34 is installed on the second transmission shaft 33. The two groups of first scraping plates 35 are all installed in the cavity of the cylinder body 11; The filtering mechanism 04 includes a magnetic adsorption filter plate 41, a connecting shaft 42 and a second scraping plate 43. The magnetic adsorption filter plate 41 is installed in the cavity of the cylinder body 11. The bottom end of the connecting shaft 42 is connected to the top end of the grinding roller 34. The second scraping plate 43 is installed on the connecting shaft 42 and contacts the upper surface of the magnetic adsorption filter plate 41;When it is working, first, the staff conveys waste paper into the processing box 12 through the feeding conveyor 13. The waste paper falls onto multiple groups of cutting blades 27 through the feeding conveyor 13. Then, the first motor 21 is started. The first motor 21 drives the first transmission shaft 23 and four groups of first bevel gears 24 to rotate through the first speed reducer 22. The four groups of first bevel gears 24 are respectively meshed with and drive four groups of second bevel gears 26. The four groups of second bevel gears 26 drive four groups of rotating shafts 25 to rotate. The four groups of rotating shafts 25 drive multiple groups of cutting blades 27 to rotate to cut and crush the waste paper. The pulp after crushing and filtering enters the cavity of the cylinder body 11. The magnetic adsorption filter plate 41 filters the pulp and adsorbs the staples in the pulp. The grinding roller 34 drives the connecting shaft 42 and the second scraper 43 to rotate. The second scraper 43 stirs the pulp on the surface of the magnetic adsorption filter plate 41 to prevent the pulp from blocking the magnetic adsorption filter plate 41. The filtering mechanism 04 filters the pulp and drops it onto the grinding roller 34. Two groups of first scrapers 35 scrape off the pulp at the top of the grinding roller 34 to make the pulp enter the gap between the grinding roller 34 and the inner wall of the cylinder body 11. Then, the second motor 31 is started. The second motor 31 drives the second transmission shaft 33 and the grinding roller 34 to rotate through the second speed reducer 32. The grinding roller 34 rotates to grind the pulp. After grinding is completed, the valve 15 is opened, and the pulp is discharged through the drain pipe 14.;

[0022] Embodiment 2

[0023] As Figures 1 to 5As shown in the figure, a waste paper recycling pretreatment device of the present utility model is based on Embodiment 1; the water delivery mechanism 05 includes a water pump 51, a water suction pipe 52, a water delivery pipe 53, four groups of first high-pressure nozzles 54, a water distribution pipe 55 and multiple groups of second high-pressure nozzles 56. The bottom end of the water pump 51 is connected to the top end of the treatment tank 12. The water suction pipe 52 is installed on the water pump 51, and the water delivery pipe 53 is installed on the water pump 51. All four groups of first high-pressure nozzles 54 are installed in the cavity of the cylinder body 11 and are located above the magnetic adsorption filter plate 41. All four groups of first high-pressure nozzles 54 are internally communicated with the water delivery pipe 53. The water distribution pipe 55 is installed in the cavity of the treatment tank 12 and is internally communicated with the water delivery pipe 53. All multiple groups of second high-pressure nozzles 56 are installed on the water distribution pipe 55 and are internally communicated with the water distribution pipe 55. When it works, first, the staff conveys waste paper into the treatment tank 12 through the feeding table 13. The waste paper falls onto multiple groups of cutting blades 27 through the feeding table 13. Start the first motor 21. The first motor 21 drives the first transmission shaft 23 and four groups of first bevel gears 24 to rotate through the first speed reducer 22. The four groups of first bevel gears 24 are respectively meshed and driven with the four groups of second bevel gears 26. The four groups of second bevel gears 26 drive the four groups of rotating shafts 25 to rotate. The four groups of rotating shafts 25 drive multiple groups of cutting blades 27 to rotate to cut and crush the waste paper. Connect the water suction pipe 52 to the water source and start the water pump 51. The water pump 51 pumps water through the water suction pipe 52. The water pump 51 conveys the clear water into multiple groups of second high-pressure nozzles 56 through the water delivery pipe 53 and the water distribution pipe 55. Multiple groups of second high-pressure nozzles 56 spray out the clear water to wash multiple groups of cutting blades 27, which not only avoids waste paper remaining on the cutting blades 27, but also facilitates turning the waste paper into pulp. The pulverized and filtered pulp enters the cavity of the cylinder body 11. The magnetic adsorption filter plate 41 filters the pulp and adsorbs the staples in the pulp. The grinding roller 34 drives the connecting shaft 42 and the second scraper 43 to rotate. The second scraper 43 stirs the pulp on the surface of the magnetic adsorption filter plate 41 to avoid the pulp blocking the magnetic adsorption filter plate 41. Multiple groups of first high-pressure nozzles 54 spray out the clear water to wash the magnetic adsorption filter plate 41 to avoid the pulp blocking the magnetic adsorption filter plate 41. The filtering mechanism 04 filters the pulp and drops it onto the grinding roller 34. Two groups of first scrapers 35 scrape off the pulp at the top end of the grinding roller 34 to make the pulp enter the gap between the grinding roller 34 and the inner wall of the cylinder body 11. Start the second motor 31. The second motor 31 drives the second transmission shaft 33 and the grinding roller 34 to rotate through the second speed reducer 32. The grinding roller 34 rotates to grind the pulp. After the grinding is completed, open the valve 15, and the pulp is discharged through the drain pipe 14.

[0024] The first motor 21, the first speed reducer 22, the second motor 31, the second speed reducer 32 and the water pump 51 of the present utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the attached operation manuals, without the need for technicians in this field to make creative efforts.

[0025] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A waste paper recycling pretreatment device, comprising a treatment cylinder (01); characterized in that: The waste paper recycling machine also comprises a crushing mechanism (02), a grinding mechanism (03), a filtering mechanism (04) and a water supply mechanism (05); the crushing mechanism (02) is mounted on the processing cylinder (01) and crushes the waste paper; the grinding mechanism (03) is mounted on the processing cylinder (01) and grinds the paper pulp; the filtering mechanism (04) is mounted on the grinding mechanism (03) and filters staples and dust; and the water supply mechanism (05) is mounted on the processing cylinder (01) and sprays water on the waste paper.

2. A waste paper recycling pretreatment device as claimed in claim 1, characterized in that: The treatment cylinder (01) comprises a cylinder body (11), a treatment box (12), a material loading team (13), a liquid discharge pipe (14) and a valve (15). The bottom end of the cylinder body (11) is connected to the ground, a cavity is arranged inside the cylinder body (11), the bottom end of the treatment box (12) is connected to the top end of the cylinder body (11), a material feed port is provided on the treatment box (12) and is connected to the cavity of the cylinder body (11), the material loading team (13) is installed at the material feed port of the treatment box (12), the top end of the liquid discharge pipe (14) is connected to the bottom end of the cylinder body (11), and the valve (15) is installed on the liquid discharge pipe (14).

3. A waste paper recycling pretreatment device as claimed in claim 2, characterized in that: The crushing mechanism (02) comprises a motor (21), a reducer (22), a transmission shaft (23), four groups of bevel gears (24), four groups of rotating shafts (25), four groups of bevel gears (26) and multiple groups of cutting blades (27). The motor (21) is mounted on a processing box (12), the reducer (22) is mounted on the processing box (12), the transmission shaft (23) is rotatably mounted on the processing box (12) and is longitudinally connected to the reducer (22), the four groups of bevel gears (24) are all mounted on the transmission shaft (23), the four groups of rotating shafts (25) are all rotatably mounted in the cavity of the processing box (12), the four groups of bevel gears (26) are respectively mounted on the four groups of rotating shafts (25), and the multiple groups of cutting blades (27) are all mounted on the four groups of rotating shafts (25).

4. A waste paper recycling pretreatment device as claimed in claim 2, characterized in that: The grinding mechanism (03) comprises a second motor (31), a second reducer (32), a second transmission shaft (33), a grinding roller (34) and two groups of first scrapers (35). The bottom end of the second motor (31) is connected to the bottom end of the cylinder (11), the bottom end of the second reducer (32) is connected to the bottom end of the cylinder (11), the second transmission shaft (33) is rotatably mounted at the bottom end of the cavity of the cylinder (11) and is longitudinally connected to the second reducer (32), the grinding roller (34) is mounted on the second transmission shaft (33), and the two groups of first scrapers (35) are both mounted in the cavity of the cylinder (11).

5. A waste paper recycling pretreatment device as claimed in claim 4, characterized in that: The filtering mechanism (04) comprises a magnetic filter plate (41), a connecting shaft (42) and a second scraper (43); the magnetic filter plate (41) is installed in the cavity of the cylinder (11); the bottom end of the connecting shaft (42) is connected to the top end of the grinding roller (34); the second scraper (43) is installed on the connecting shaft (42) and contacts the upper surface of the magnetic filter plate (41).

6. A waste paper recycling pretreatment device as claimed in claim 2, characterized in that: The water delivery mechanism (05) comprises a water pump (51), a water suction pipe (52), a water delivery pipe (53), four groups of high-pressure nozzles (54), a water distribution pipe (55) and a plurality of groups of high-pressure nozzles (56). The bottom end of the water pump (51) is connected to the top end of the treatment box (12). The water suction pipe (52) is installed on the water pump (51). The water delivery pipe (53) is installed on the water pump (51). The four groups of high-pressure nozzles (54) are all installed in the cavity of the cylinder (11) and are located above the magnetic suction filter plate (41). The four groups of high-pressure nozzles (54) are all connected to the inside of the water delivery pipe (53). The water distribution pipe (55) is installed in the cavity of the treatment box (12) and is connected to the inside of the water delivery pipe (53). The plurality of groups of high-pressure nozzles (56) are all installed on the water distribution pipe (55) and are connected to the inside of the water distribution pipe (55).

Images