CN-224227545-U - Pulp crushing and mixing device

CN224227545UCN 224227545 UCN224227545 UCN 224227545UCN-224227545-U

Abstract

The utility model is suitable for the technical field of pulp manufacturing processes, and provides a pulp crushing and mixing device which comprises a cylinder, a toothed spiral rotor and a sieve plate matched with the toothed spiral rotor and having a filtering function, wherein the toothed spiral rotor is conical and is arranged at the bottom of the cylinder and can realize free rotation, and comprises a mandrel, toothed spiral blades and a chassis, wherein the toothed spiral blades are arranged on the mandrel. Therefore, the utility model changes the common spiral rotor into the spiral rotor with teeth, which is conical in shape, can rapidly crush waste paper, can also maintain the pulp property of the waste paper, avoids breaking impurities and sticky matters in the pulp crushing process, is beneficial to the subsequent removal of the sticky matters and the impurities, greatly improves the working efficiency, and realizes energy conservation and consumption reduction.

Inventors

GAO HONGJIAN
GUO GANG
WANG YUJUN
LIU HONGJUN

Assignees

潍坊华港包装材料有限公司

Dates

Publication Date: 20260512
Application Date: 20250611

Claims (9)

1. The pulp crushing and mixing device is characterized by comprising a cylinder, a toothed spiral rotor and a sieve plate with a filtering function, wherein the sieve plate is matched with the toothed spiral rotor; the toothed helical rotor comprises a mandrel, toothed helical blades and a chassis, wherein the toothed helical blades and the chassis are arranged on the mandrel; The toothed spiral rotor is arranged at the bottom of the cylinder body and can realize free rotation.
2. The pulp crushing and mixing device of claim 1, wherein the toothed helical rotor is cone-shaped.
3. The pulp crushing and mixing device according to claim 1, wherein the mandrel is mounted at the bottom of the barrel through the screen plate in a centered position on the screen plate.
4. The pulp crushing and mixing device according to claim 1, wherein the toothed helical blades arranged on the mandrel are circumferentially distributed around the mandrel and are connected with the mandrel, and three or more toothed helical blades are arranged.
5. The pulp crushing and mixing device according to claim 1, wherein the chassis arranged on the mandrel is connected with the mandrel, and the bottom of the chassis is positioned above the screen plate surface and is not connected with the screen plate.
6. The pulp crushing and mixing device according to claim 1, wherein the chassis arranged on the mandrel has a diameter larger than that of the toothed helical blade, and is connected with the diameter of the toothed helical blade and is arranged at the bottom of the chassis.
7. The pulp crushing and mixing device according to claim 1, wherein the bottom of the cylinder is an inclined surface, the bottom is provided with a mounting hole, and the bottom of the cylinder is circumferentially provided with at least one deflector around the mounting hole.
8. The pulp crushing and mixing device according to claim 7, wherein the baffle is triangular in shape.
9. The pulp crushing and mixing device according to claim 1, wherein the screen plate has an annular perforated structure.

Description

Pulp crushing and mixing device Technical Field The utility model relates to the technical field of pulp manufacturing processes, in particular to a pulp crushing and mixing device. Background The paper pulp is a green product which has no pollution, is recyclable, is degradable and has good performance, and is widely applied to the paper pulp molding product industry. The existing pulping machine has the problems of low pulping efficiency, high energy consumption, certain damage to fibers in the pulping process, poor pulping quality, and adverse effect on subsequent removal of adhesives and impurities due to the fact that impurities and adhesives are smashed in the pulp crushing process. In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed. Disclosure of utility model In view of the above-mentioned drawbacks, an object of the present utility model is to provide a pulp crushing and mixing device, in which the rotor is a toothed helical rotor and has a conical shape. The toothed spiral rotor reduces the gravity of the rotor, avoids and eliminates the obstacle of double-vortex pulping, reduces the motion resistance, enhances the shearing force of pulping impeller and double-vortex diffusion and disintegration capability, reduces the energy consumption of a motor, improves the pulping efficiency, relieves the damage of mechanical force to fibers in the pulping process, protects the fiber property, almost breaks the impurities and the adhesive, is favorable for removing the adhesive and the impurities subsequently, improves the pulp quality, and greatly improves the working efficiency. In order to achieve the aim, the utility model provides a pulp crushing and mixing device which comprises a cylinder, a toothed spiral rotor and a sieve plate matched with the toothed spiral rotor and having a filtering function, wherein the toothed spiral rotor comprises a mandrel, toothed spiral blades and a chassis, the toothed spiral blades and the chassis are arranged on the mandrel, and the toothed spiral rotor is arranged at the bottom of the cylinder and can freely rotate. According to the pulp crushing and mixing device of the utility model, the toothed screw rotor is cone-shaped. According to the pulp crushing and mixing device, the mandrel is arranged at the bottom of the cylinder body, penetrates through the sieve plate and is positioned at the right center of the sieve plate. According to the pulp crushing and mixing device, the toothed spiral blades arranged on the mandrel are circumferentially distributed around the mandrel and are connected with the mandrel, and three or more toothed spiral blades are arranged. According to the pulp crushing and mixing device, the chassis arranged on the mandrel is connected with the mandrel, and the bottom of the chassis is positioned above the screen plate surface and is not connected with the screen plate. According to the pulp crushing and mixing device, the chassis arranged on the mandrel is larger than the toothed helical blade in diameter, is connected with the toothed helical blade in diameter and is arranged at the bottom of the toothed helical blade. According to the pulp crushing and mixing device, the bottom of the cylinder body is an inclined surface, the bottom of the cylinder body is provided with the mounting hole, and at least one guide plate is circumferentially arranged around the mounting hole at the bottom of the cylinder body. According to the pulp crushing and mixing device, the shape of the guide plate is triangular. The pulp crushing and mixing device is characterized in that the sieve plate is of an annular perforated structure. The utility model provides a pulp crushing and mixing device which comprises a cylinder, a toothed spiral rotor and a sieve plate matched with the toothed spiral rotor and having a filtering function, wherein the toothed spiral rotor is conical and is arranged at the bottom of the cylinder, and free rotation can be realized. The toothed helical rotor comprises a mandrel, and toothed helical blades and a chassis which are arranged on the mandrel. The conical toothed spiral rotor generates two shearing forces, namely mechanical shearing force and water shearing force, so that waste paper and the like can be quickly sucked by a circulating flow, the toothed spiral blades lighten the gravity of the rotor, gaps of the toothed spiral blades avoid and eliminate the obstacle of double-vortex pulp crushing, the motion resistance is reduced, the shearing force of the toothed spiral blades and the double-vortex diffusion crushing capacity are enhanced, the motor energy consumption is reduced, the pulp crushing efficiency is improved, meanwhile, the damage of mechanical force to fibers is relieved in the pulping process, the fiber property is protected, and impurities and sticky matters are hardly crushed, the subsequent removal of the sticky matters and the impurities is fac