CN107780276B - Pulping device based on overturning stirring and reciprocating turbulence type pulping - Google Patents

Abstract

The invention provides a pulping device based on turning and stirring and reciprocating turbulence type pulping, which mainly includes a slurry generating device composed of a material box, a pulp outlet and a pillar, and consists of a driving shaft, a four-corner cam, a belt, a driven The reversing stirring device composed of shaft and blade, and the reciprocating turbulence device composed of push rod, spring and stirring plate, the slurry generating device is divided into a reversing stirring area, a fine slurry filtering area and a reciprocating turbulent flow from right to left. Area, the turning and stirring device is set in the turning and stirring area, and the reciprocating flow turbulence device is set in the reciprocating flow turbulence area. It is characterized by long-distance turning and mixing of crushed materials and driving and realizing reciprocating turbulent flow shearing and crushing. The present invention realizes the long-distance flipping, stirring and crushing of the crushed material through the belt and blade in the flipping stirring device, and realizes the reciprocating turbulence, shearing and crushing of the crushed material through the push rod, spring and stirring plate in the reciprocating turbulence device.

Description

A pulping device based on tumbling stirring and reciprocating turbulent flow pulping

technical field

The present invention relates to a pulping device based on reversing stirring and reciprocating turbulence type pulping device, in particular to a kind of long-distance reversing stirring crushing of crushed material realized by belts and blades in the reversing stirring device. The advanced push rod, spring and stirring plate realize the reciprocating turbulence and shear crushing of the crushed material, which belongs to the technical research and development field of pulping equipment.

Background technique

As one of the most commonly used pulping equipment in the pulp and paper industry, the hydraulic pulper mainly crushes pulp boards, waste books, waste cartons, etc. However, due to the singleness of the working mode and structure of the current pulper, the following problems are caused: First, the pulping efficiency is low, which is mainly caused by the single pulping method. At present, the pulping method mainly relies on the rotation of the fixed rotor. Due to regional restrictions, if you want to stir evenly, you need to increase the stirring time, resulting in low pulping efficiency; second, the quality of the slurry is low. During the pulping process, some scraps are likely to be incompletely stirred and decomposed, and the particle size of the generated scraps is uneven. , resulting in uneven slurry.

Therefore, aiming at the common problems of low efficiency and low pulp quality in the use of existing pulpers, it is necessary to comprehensively consider the working mode and structure of the pulper, and design a pulper with high efficiency and high pulp quality. slurry equipment.

Contents of the invention

The present invention aims at the common problems of low efficiency and low slurry quality existing in the use of existing pulpers, and provides a pulping device based on turning stirring and reciprocating turbulent flow pulping that can effectively solve the above problems .

A kind of pulping device based on tumbling stirring and reciprocating turbulent flow pulping of the present invention adopts the following technical scheme:

A pulping device based on turning and stirring and reciprocating turbulence type pulping, mainly including a slurry generating device, a turning and stirring device and a reciprocating flow turbulence device. The slurry generating device is divided into a turning and stirring area, a fine The slurry filtering area and the reciprocating turbulence area, the turning stirring device is set in the turning stirring area, and the reciprocating flow turbulence device is set in the reciprocating flow turbulence area; the slurry generating device shown is mainly composed of a material box, a slurry outlet and a pillar. It is a rectangular cylindrical structure. The material box is filled with crushed material and water. There are two parallel slots on the bottom wall and side wall in the middle of the material box. Filter plate A and filter plate B are respectively stuck in the card slots. There are pillars at the four corners outside the bottom of the box respectively, and the pulp outlet is set at the lower end of the fine pulp filter area; the turning and mixing area is mainly composed of a driving shaft, a four-corner cam, a belt, a driven shaft and a blade plate, and the driving shaft is installed on the shaft through a bearing. There is a motor at the upper end of the material box and one end of the driving shaft, and the motor is installed on the frame outside the material box. On the driven shaft, the driven shaft is installed at the middle and lower end of the material box through a bearing, and a vane is arranged on the driven shaft; the reciprocating turbulence device is mainly composed of a push rod, a spring and a stirring plate, and the push rod is close to the four-corner cam. There is a roller frame, the roller frame is provided with a roller, the roller is equipped with a roller, the roller is in contact with the four-corner cam, the push rod is provided with a spring seat near the side wall of the material box, the spring seat is provided with a spring and the other end of the spring is installed on the On the side wall of the material box, a cylinder is installed on the outside of one end of the push rod, and the cylinder is installed on the filter plate A and filter plate B, and the lower end of the push rod is welded with a stirring plate near the spring seat.

The turning and stirring zone is surrounded by the side wall of the material box and the filter plate A, the fine slurry filter zone is surrounded by the side wall of the material box, the filter plate A and the filter plate B, and the reciprocating turbulence zone is surrounded by the side wall of the material box and the filter plate B surrounded.

The four-corner cam is provided with four protrusions uniformly distributed in the circumferential direction; the blade plate is a rectangular plate-shaped structure, and the number of the blade plates is 3 and is installed on the driven shaft uniformly distributed in the circumferential direction through the flat key B, and the 3 blade plates are 1 The groups are arranged symmetrically on the outside of the longitudinal section of the four-corner cam and on the inside of the belt.

The longitudinal section of the push rod is circular, and the longitudinal section of the cylinder is annular.

The distance from the push rod to the cylinder is 1.5 times the distance from the convex point to the concave point on the four-corner cam.

The stirring plate has a long plate structure, and the bottom and both sides of the stirring plate are provided with triangular sawtooth.

The filter plate A and the filter plate B are respectively provided with filter holes in 8 rows and 8 columns. The filter holes are in a frustum-shaped structure. The large aperture of the filter hole is twice the small aperture. The holes face the fine slurry filtration area respectively.

The present invention realizes the long-distance turning, stirring, crushing and reciprocating turbulence shearing and crushing of the crushed material through the turning and stirring device and the reciprocating flow turbulence device, that is, the long-distance turning, stirring and crushing of the broken material is realized through the belt and the blade in the turning and stirring device. The reciprocating turbulence shearing and crushing of the crushed material is realized by the push rod, spring and stirring plate in the reciprocating turbulence device.

The present invention realizes the long-distance turning, mixing and crushing of the broken materials by the belt and blade in the turning and mixing device. Specifically, when the equipment is working, the motor drives the driving shaft and drives the four-corner cam and the belt on it to rotate, and the belt passes through the driven shaft The rotating power is transmitted to the blade plate. Since the driven shaft is arranged horizontally, the blade plate will turn, stir, crush and decompose the mixture of crushed material and water in the turning mixing zone; and because of the setting of the belt, it will realize long-distance Drive the driven shaft and the vane to eliminate the disadvantages of the position limitation of the fixed rotor, so as to realize the crushing and decomposition of the fragments in the remote area; in addition, through the free arrangement of the driven shaft and the belt in the horizontal or vertical direction, it is easy to facilitate the crushing of different materials. The rapid crushing of materials, that is, for the crushed materials with high density and easy to settle at the bottom of the material box, it is only necessary to arrange the driven shaft and the belt at the lower position, so that the crushed materials in the bottom area can be stirred in a targeted manner, and for the crushed materials with low density and easy to float on the bottom of the material box. For the crushed material in the upper part of the box, it is only necessary to arrange the driven shaft and the belt upwards, and the crushed material in the upper area can be mixed in a targeted manner. Therefore, this region-specific and freely arranged turning and stirring can accelerate the crushing of the crushed material, thereby Improve the crushing and decomposition efficiency of crushed materials.

In the present invention, the four-corner cam on the driving shaft is designed to have four protrusions uniformly distributed in the circumferential direction. Through this design, the driving force for reciprocating motion is provided for the reciprocating turbulence device, that is, when the convex point of the four-corner cam contacts with the roller on the push rod When the push rod is pushed and the spring is compressed, the push rod is away from the four-corner cam; and when the concave point of the four-corner cam is in contact with the roller on the push rod, the compressed spring will push the push rod to move toward the four-corner cam.

In the present invention, two sets of vanes are arranged on the driven shaft, and the stirring area is increased through this design, and the crushing and decomposition efficiency of the crushed material is improved.

The invention realizes the reciprocating turbulence shearing and crushing of the scrap through the push rod, spring and stirring plate in the reciprocating turbulence device. Specifically, when the equipment is working, the protrusion of the rotating four-corner cam drives the push rod to move left and compresses the spring , the stirring plate on the push rod moves to the left and stirs the scraps in the reciprocating spoiling area of the turbulent flow, and when the concave point of the four-corner cam contacts the push rod, the compressed spring will drive the push rod and the stirring plate on it Move to the right and stir to break and decompose the broken materials. The cooperation between the four-corner cam and the spring will make the stirring plate on the push rod move left and right repeatedly and quickly stir the broken materials; while the triangular sawtooth on the side and bottom of the stirring plate, The crushed materials will be sheared and crushed to accelerate the crushing and decomposition of the difficult-to-decompose crushed materials.

In the present invention, a cylinder is arranged outside one end of the push rod, and this design not only guides the movement of the push rod, but also supports the push rod and the stirring plate.

The present invention is provided with roller on the push rod, reduces the movement resistance of four-corner cam and push rod through this design, is about to change the sliding movement resistance when push rod and four-corner cam contacts into rolling movement resistance, thereby reduces movement resistance.

The present invention is provided with filter plate A and filter plate B on both sides of the fine slurry filter area, through this design the size of the crushed material is controlled, that is, controlled by the filter holes on the filter plate A and filter plate B, only The crushed material that meets the requirements enters the fine slurry filter area through the filter hole, so that the uniform size of the crushed material can be temporarily stored in the fine slurry filter area to ensure the quality of the slurry.

In the present invention, the filter hole is designed as a truncated cone structure, and the large hole faces the fine pulp filter area. Through this design, the filter hole is prevented from being blocked by the debris, and the debris entering the filter hole is quickly separated from the filter hole.

The beneficial effects of the present invention are: the long-distance flipping, stirring and crushing of the crushed material is realized by the belt and blade plate in the turning stirring device, and the reciprocating turbulence and shearing of the crushed material is realized by the push rod, spring and stirring plate in the reciprocating flow turbulence device. broken.

Description of drawings

Fig. 1 is a schematic diagram of the overall front view of the four-corner cam protrusion of the present invention when it is in operation.

Fig. 2 is a schematic view of the overall top view structure of the four-corner cam protrusion of the present invention when it is in operation.

Fig. 3 is a schematic diagram of the overall front view structure of the four-corner cam dimple of the present invention when it is in operation.

Fig. 4 is a schematic diagram of the structure of the left structure of the turning and stirring device of the present invention.

Fig. 5 is a partial structural schematic diagram of the contact between the quadrangular cam and the roller of the present invention.

Fig. 6 is a schematic diagram of the partial structure of the fixed position of the four-corner cam and the contact position with the roller of the present invention.

Fig. 7 is a schematic diagram of the partial structure of the vane on the driven shaft and the fixed part of the driven shaft according to the present invention.

Fig. 8 is a structural schematic diagram of the stirring of the present invention.

Fig. 9 is a schematic structural view of the filter plate B of the present invention.

Fig. 10 is a schematic structural view of the filter plate A of the present invention.

Among them: 1. Feed box, 2. Leaf plate, 3. Crushed material, 4. Water, 5. Filter plate A, 6. Pulp outlet, 7. Filter hole, 8. Filter plate B, 9. Stirring plate, 10 , pillar, 11, spring, 12, spring seat, 13, push rod, 14, cylinder, 15, four-corner cam, 16, belt, 17, roller, 18, roller, 19, roller frame, 20, driving shaft, 21, motor, 22, bearing, 23, flat key A, 24, flat key B, 25, triangular sawtooth, 26, driven shaft, 27, support.

Detailed ways

Example:

As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of pulping device based on turning stirring and reciprocating flow disturbance type pulping of the present invention mainly includes a slurry generating device, turning stirring device and reciprocating flow disturbing device, the slurry The generating device is divided into a turning stirring area, a fine slurry filtering area and a reciprocating flow disturbance area from right to left.

The turning and stirring area is surrounded by the side wall of the material box 1 and the filter plate A 5, the fine pulp filter area is surrounded by the side wall of the material box 1, the filter plate A 5 and the filter plate B 8, and the reciprocating turbulence area is surrounded by the side wall of the material box 1 And filter plate B 8 enclosed.

The present invention realizes the long-distance turning and stirring crushing and reciprocating turbulence shearing and crushing of the crushed material 3 through the turning and stirring device and the reciprocating flow turbulence device, that is, the long-distance turning and stirring and crushing of the crushed material 3 is realized by the belt 16 and the blade plate 2 in the turning and stirring device. Turn over, stir and crush, and realize the reciprocating turbulence shearing and crushing of the scrap 3 through the push rod 13, the spring 11 and the stirring plate 9 in the reciprocating turbulence device.

The slurry generating device is mainly composed of a material box 1, a slurry outlet 6 and a pillar 10. The material box 1 is a rectangular cylindrical structure, and the material box 1 is filled with crushed material 3 and water 4. The walls are respectively provided with 2 parallel slots, the filter plate A 5 and the filter plate B 8 are respectively stuck in the slots, the four corners outside the bottom of the material box 1 are respectively provided with pillars 10, and the slurry outlet 6 is located in the fine pulp filter. lower end of the area.

As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the turning stirring area is mainly composed of a driving shaft 20, a four-corner cam 15, a belt 16, a driven shaft 26 and a blade plate 2, and the driving shaft 20 is installed on the material through a bearing 22. Case 1 upper end, driving shaft 20 one ends are provided with motor 21, and motor 21 is installed on the support 27 of feed box 1 outside, and square cam 15 is installed on the driving shaft 20 by flat key A 23, and the driving shaft on both sides of square cam 15 20 is provided with belt 16 respectively, and belt 16 lower ends are installed on the driven shaft 26, and driven shaft 26 is installed in the lower end in material box 1 by bearing 22, and driven shaft 26 is provided with blade plate 2.

The four-corner cam 15 is provided with four protrusions uniformly distributed in the circumferential direction; the blade plate 2 is a rectangular plate-shaped structure, and the number of the blade plates 2 is three and is installed on the driven shaft 26 uniformly distributed in the circumferential direction through the flat key B 24, and the three blades The plates 2 are symmetrically arranged in one group on the outside of the longitudinal section of the four-corner cam 15 and on the inside of the belt 16 .

The present invention realizes the long-distance turning, stirring and crushing of the crushed material 3 through the belt 16 and the blade plate 2 in the turning and mixing device. Specifically, when the equipment is working, the motor 21 drives the driving shaft 20 and drives the four-corner cam 15 and the belt 16 on it. Rotate, the belt 16 transmits the rotational power to the blade plate 2 through the driven shaft 26, because the driven shaft 26 is arranged horizontally, it will make the blade plate 2 reverse the mixture of the crushed material 3 and water 4 in the stirring zone Stirring, crushing and decomposition; and due to the setting of the belt 16, the driven shaft 26 and the blade plate 2 will be driven remotely, eliminating the disadvantages of the position limitation of the fixed rotor, so as to realize the crushing and decomposition of the fragments 3 in the remote area; in addition, through the driven The free arrangement of the shaft 26 and the belt 16 in the horizontal or vertical direction is easy to facilitate the rapid crushing of scraps 3 of different materials, that is, for the scraps 3 with high density and easy to settle at the bottom of the material box 1, only the driven shaft 26 and the The position of the belt 16 is placed lower, which can specifically stir the scraps 3 in the bottom area. For the scraps 3 with low density and easy to float on the upper part of the material box 1, it is only necessary to arrange the driven shaft 26 and the belt 16 to the top, which can be targeted at Therefore, this region-specific and free-arranged overturning and stirring can accelerate the crushing of the crushed material 3, thereby improving the crushing and decomposition efficiency of the crushed material 3.

In the present invention, the four-corner cam 15 on the drive shaft 20 is designed to have four circumferentially evenly distributed protrusions. Through this design, the driving force for the reciprocating motion is provided for the reciprocating turbulence device. When the roller 17 on the push rod 13 contacts, it will push the push rod 13 and compress the spring 11, so that the push rod 13 is away from the four-corner cam 15; The push rod 13 moves toward the four-corner cam 15 .

The present invention is provided with two groups of blades 2 on the driven shaft 26, and the stirring area is increased through this design, and the crushing and decomposition efficiency of the scrap 3 is improved.

As shown in Figure 8, the reciprocating spoiler is mainly composed of a push rod 13, a spring 11 and a stirrer 9. The push rod 13 is provided with a roller frame 19 near the four-corner cam 15, and the roller frame 19 is provided with a roller 18. Roller 17 is housed on 18, and roller 17 is in contact with four-corner cam 15, and push rod 13 is provided with spring seat 12 near the side wall of material box 1, and spring seat 12 is provided with spring 11 and the other end of spring 11 is installed on the side wall of material box 1 On the outer side of one end of the push rod 13, a cylinder 14 is installed, and the cylinder 14 is installed on the filter plate A 5 and the filter plate B 8, and the lower end of the push rod 13 is welded with a stirring plate 9 near the spring seat 12.

The longitudinal section of the push rod 13 is circular, and the longitudinal section of the cylinder 14 is annular. The distance from the push rod 13 to the cylinder 14 is 1.5 times of the distance from the convex point to the concave point on the square cam 15 .

The stirring plate 9 is a long plate structure, and the bottom and both sides of the stirring plate 9 are provided with triangular sawtooth 25 .

The present invention realizes the reciprocating turbulence shearing and crushing of the scrap 3 through the push rod 13, the spring 11 and the stirring plate 9 in the reciprocating turbulence device, specifically, when the equipment is working, the protrusion of the rotating four-corner cam 15 drives the push rod 13 moves to the left and compresses the spring 11, and the stirring plate 9 on the push rod 13 moves to the left accordingly and stirs the fragments 3 in the turbulence reciprocating turbulence area, and when the concave point of the four-corner cam 15 contacts the push rod 13, compression The spring 11 will drive the push rod 13 and the stirring plate 9 on it to move to the right and stir and break the broken material 3. The mutual cooperation between the four-corner cam 15 and the spring 11 will impel the stirring plate 9 on the push rod 13 to repeatedly move left and right. Move to the right and quickly stir the crushed material 3; and the triangular sawtooth 25 on the side and bottom of the stirring plate 9 will shear and break the crushed material 3, and accelerate the crushing and decomposition of the hard-to-decompose crushed material 3.

The present invention is provided with a cylinder 14 outside one end of the push rod 13 , through this design, it not only guides the movement of the push rod 13 , but also supports the push rod 13 and the stirring plate 9 .

The present invention is provided with roller 17 on push rod 13, reduces the motion resistance of square cam 15 and push rod 13 by this design, is about to slide motion resistance when push rod 13 and square cam 15 contacts, changes rolling motion resistance, thereby Reduce resistance to movement.

9 and 10, filter plate A5 and filter plate B8 are respectively provided with filter holes 7 in 8 rows and 8 columns, filter holes 7 are in a frustum-shaped structure, and the large aperture of filter hole 7 is 2 of the small aperture. times, the large holes on filter plate A5 and filter plate B8 respectively face the fine pulp filtration area.

The present invention is provided with filter plate A 5 and filter plate B 8 on both sides of the fine slurry filter area, through this design the size of the broken material 3 is controlled, that is, through the filtration on the filter plate A 5 and filter plate B 8 Controlled by the hole 7, only the crushed material 3 that meets the requirements enters the fine slurry filtration area through the filter hole 7, so that the uniform size of the crushed material 3 is temporarily stored in the fine slurry filter area to ensure the quality of the slurry.

In the present invention, the filter hole 7 is designed as a frustum-shaped structure and the large hole faces the fine slurry filtration area. This design not only prevents the debris 3 from blocking the filter hole 7, but also realizes that the debris 3 entering the filter hole 7 quickly leaves the filter hole 7. .

Claims (2)

1. The slurry preparation device comprises a slurry generation device, a turnover stirring device and a reciprocating turbulence device, wherein the slurry generation device is internally and sequentially divided into a turnover stirring area, a fine slurry filtering area and a reciprocating turbulence area from right to left, the turnover stirring device is arranged in the turnover stirring area, and the reciprocating turbulence device is arranged in the reciprocating turbulence area; the method is characterized in that: the slurry generating device consists of a feed box, a slurry outlet and supporting columns, wherein the feed box is of a rectangular cylindrical structure, crushed aggregates and water are filled in the feed box, 2 parallel clamping grooves are respectively formed in the bottom wall and the side wall of the middle part of the feed box, a filter plate A and a filter plate B are respectively clamped in the clamping grooves, the supporting columns are respectively arranged at four corners of the outer side of the bottom end of the feed box, and the slurry outlet is formed in the lower end of a fine slurry filtering area; the turnover stirring area consists of a driving shaft, four-angle cams, belts, a driven shaft and a blade plate, wherein the driving shaft is arranged at the upper end of the material box through a bearing, one end of the driving shaft is provided with a motor, the motor is arranged on a machine seat outside the material box, the four-angle cams are arranged on the driving shaft through a flat key A, the belts are respectively arranged on the driving shafts on two sides of the four-angle cams, the lower ends of the belts are arranged on the driven shaft, the driven shaft is arranged at the middle lower end of the material box through a bearing, and the blade plate is arranged on the driven shaft; the reciprocating turbulence device consists of a push rod, a spring and a stirring plate, wherein a rolling frame is arranged at the position, close to the four-corner cams, of the push rod, a rolling shaft is arranged on the rolling frame, a rolling wheel is arranged on the rolling shaft, the rolling wheel is in contact with the four-corner cams, a spring seat is arranged at the position, close to the side wall of the feed box, of the push rod, a spring is arranged on the spring seat, the other end of the spring is arranged on the side wall of the feed box, a cylinder is arranged at the outer side of one end of the push rod, the cylinder is arranged on the filter plate A and the filter plate B, and the stirring plate is welded at the position, close to the spring seat, of the lower end of the push rod; the overturning stirring area is surrounded by a side wall of the material box and the filter plate A, the fine slurry filtering area is surrounded by the side wall of the material box, the filter plate A and the filter plate B, and the reciprocating turbulence area is surrounded by the side wall of the material box and the filter plate B; the four-corner cam is provided with 4 bulges uniformly distributed in the circumferential direction; the blades are of rectangular plate-shaped structures, the number of the blades is 3 and are circumferentially and uniformly distributed on the driven shaft through the flat key B, and the 3 blades are symmetrically arranged outside the longitudinal section of the quadrangular cam and inside the belt in 1 group; the longitudinal section of the push rod is circular, the longitudinal section of the cylinder is circular, and the distance from the push rod to the cylinder is 1.5 times of the distance from the protruding point to the concave point of the quadrangular cam; the stirring plate is of a long plate-shaped structure, and triangular saw teeth are arranged on the bottom edge and two side edges of the stirring plate.

2. The pulping device of claim 1, wherein the pulping device is based on overturning stirring and reciprocating turbulent flow type pulping, and is characterized in that: and the filter plates A and B are respectively provided with 8 rows and 8 columns of filter holes, the filter holes are of frustum-shaped structures, the large aperture of each filter hole is 2 times of the small aperture, and the large apertures of the filter plates A and B face to the fine slurry filtering area respectively.

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