CN210916791U

CN210916791U - Energy-conserving abrasive disc of domestic paper wood pulp

Info

Publication number: CN210916791U
Application number: CN201922038185.6U
Authority: CN
Inventors: 李波; 王勇; 张明骏; 马小西
Original assignee: Vinda Paper Sichuan Co Ltd
Current assignee: Vinda Paper Sichuan Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-03
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses an energy-conserving abrasive disc of domestic paper wood pulp, including driving disk abrasive disc and quiet set of abrasive disc, the axle center department fixed mounting of driving disk abrasive disc has the key shaft, the gerar grinding has all been seted up to one side of driving disk abrasive disc and quiet set of abrasive disc, the gerar grinding includes broken district, corase grind district and fine grinding district, the fine grinding district is around the outer lane in corase grind district, the corase grind district is around the outer lane in broken district. The utility model discloses a driving disk abrasive disc, quiet dish abrasive disc, the key shaft, the gerar grinding, broken district, the setting in corase grind district and fine grinding district, it has increased the pioneering nature to have broken traditional mill design, combine the actual thick liquid technology of grinding, adjustment mill number of teeth and arranging have increased the real effect nature, change the number of the mill teeth, reduce thick liquids grinding time, the manufacturing energy consumption has been reduced, it does not have the scientificity to have solved current traditional mill gerar grinding overall arrangement simultaneously, the preparation of thick liquids need consume longer time, it is too high to make the energy consumption, thereby increase manufacturing cost's problem.

Description

Energy-conserving abrasive disc of domestic paper wood pulp

Technical Field

The utility model relates to a fiberizer accessory technical field specifically is an energy-conserving abrasive disc of household paper wood pulp.

Background

The refiner is mainly used for continuous pulping and is commonly used in the refining section of wood pulp, straw pulp and regenerated fiber. The pulp grinder consists of two grinding areas, a movable disc and two static discs, wherein the grinding disc of the pulp grinder cuts, rubs, devillicates and brooms fibers entering a grinding chamber, so that pulp fibers can meet the papermaking use requirements of a paper machine, and in the pulp fibers used by large and medium-sized domestic paper enterprises at present, for example, the proportion of long softwood pulp is usually 25% -40%, and the proportion of short hardwood pulp is usually 60% -75%, and the difference exists that a straighter grinding plate is required to correspond to the difference, therefore, the grinding disc has good and bad fiber treatment effect, greatly influences the physical performance and appearance of paper manufactured by subsequent papermaking, the layout of the grinding teeth of the traditional grinding disc is not scientific, the preparation of pulp needs to consume longer time, the manufacturing energy consumption is overhigh, therefore, the production cost is increased, and therefore the energy-saving grinding disc for the paper pulp for daily use is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving abrasive disc of domestic paper wood pulp possesses the advantage that reduces the mill thick liquid time, has solved current traditional mill gerar overall arrangement and has not the scientificity, and the preparation of thick liquids need consume longer time, makes the energy consumption too high to increase manufacturing cost's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-conserving abrasive disc of domestic paper wood pulp, includes movable disk abrasive disc and quiet abrasive disc, the axle center department fixed mounting of movable disk abrasive disc has the key shaft, the gerar grinding has all been seted up to one side of movable disk abrasive disc and quiet abrasive disc, the gerar grinding includes broken district, corase grind district and fine grinding district, the fine grinding district is around the outer lane in corase grind district, the corase grind district is around the outer lane in broken district.

Preferably, the axes of the key shaft, the movable disc grinding sheet and the static disc grinding sheet are on the same straight line, and the grinding teeth of the movable disc grinding sheet and the grinding teeth of the static disc grinding sheet are distributed in opposite directions.

Preferably, the cutting angle of the grinding teeth in the rough grinding area is 20 degrees, the width of the grinding teeth is 2.0mm, the width of the tooth grooves is 2.5mm, and the tooth depth is 6 mm.

Preferably, the cutting angle of the grinding teeth in the fine grinding area is 30 degrees, the width of the grinding teeth is 1.8mm, the width of the tooth grooves is 2.3mm, and the tooth depth is 5 mm.

Preferably, the rough grinding area, the fine grinding area and the fine grinding area are concentric circles, and the movable disc grinding disc and the fixed disc grinding disc are formed by combining a plurality of fan-shaped discs.

Preferably, the movable disc grinding piece and the static disc grinding piece are both cylindrical, and the movable disc grinding piece and the static disc grinding piece are both made of alloy metal.

Preferably, the key shaft is fixedly installed with an output shaft of a driving mechanism inside the refiner, and the static disc grinding disc is fixedly installed in a grinding cavity inside the refiner through bolts.

Preferably, the density of the grinding teeth in the fine grinding area is greater than that in the coarse grinding area, and the density of the grinding teeth in the coarse grinding area is greater than that in the crushing area.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a driving disk abrasive disc, quiet dish abrasive disc, the key shaft, the gerar grinding, broken district, the setting in corase grind district and fine grinding district, it has increased the pioneering nature to have broken traditional mill design, combine the actual thick liquid technology of grinding, adjustment mill number of teeth and arranging have increased the real effect nature, change the number of the mill teeth, reduce thick liquids grinding time, the manufacturing energy consumption has been reduced, it does not have the scientificity to have solved current traditional mill gerar grinding overall arrangement simultaneously, the preparation of thick liquids need consume longer time, it is too high to make the energy consumption, thereby increase manufacturing cost's problem.

2. The utility model can ensure the contact degree of the surface grinding teeth of the movable disc grinding disc and the static disc grinding disc by arranging the axes of the key shaft, the movable disc grinding disc and the static disc grinding disc on the same straight line, thereby increasing the grinding efficiency, the cutting angle of the grinding teeth in the coarse grinding area is 20 degrees, the width is 2.0mm, the width of the tooth groove is 2.5mm, the tooth depth is 6mm, the cutting angle of the grinding teeth in the fine grinding area is 30 degrees, the width is 1.8mm, the width of the tooth groove is 2.3mm, the tooth depth is 5mm, the pulp preparation method is more suitable for most of the sanitary paper adopting the mixed pulping mode, and the large cutting angle in the range of 20-30 degrees is matched with the thinner grinding teeth, thereby effectively increasing the total grinding tooth number, leading the total cutting length of the grinding teeth to be improved by about 30 percent, well playing the energy-saving role, the layout by arranging the coarse grinding area, the fine grinding area and the fine grinding area as concentric circles, thereby increasing the rationality of the grinding teeth, further increase the defibrination efficiency, the material through movable disk abrasive disc and quiet dish abrasive disc is the alloy metal, because each performance contrast single metal of alloy metal has great advantage, and movable disk abrasive disc and quiet dish abrasive disc are the loss article, consequently, the alloy metal can ensure the life of movable disk abrasive disc and quiet dish abrasive disc, thereby further reduction manufacturing cost, setting through the key shaft, can transmit the mechanical energy that the inside actuating mechanism of refiner sent, thereby it rotates to drive the movable disk abrasive disc, carry out the defibrination operation with the cooperation of quiet dish abrasive disc, design through the difference of gerar grinding density, can be at the in-process of defibrination, make the gerar grinding of each density cooperate, thereby carry out different defibrination operations, the defibrination efficiency has been promoted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the movable disc grinding disc of the present invention.

In the figure: 1. a movable disc grinding disc; 2. grinding a static disc; 3. a key shaft; 4. grinding the teeth; 41. a crushing zone; 42. a coarse grinding zone; 43. a fine grinding area.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an energy-saving grinding disc for domestic paper wood pulp comprises a movable disc grinding disc 1 and a fixed disc grinding disc 2, a key shaft 3 is fixedly installed at the axis of the movable disc grinding disc 1, grinding teeth 4 are respectively arranged on one side of the movable disc grinding disc 1 and one side of the fixed disc grinding disc 2, each grinding tooth 4 comprises a crushing area 41, a rough grinding area 42 and a fine grinding area 43, the fine grinding area 43 surrounds the outer ring of the rough grinding area 42, the rough grinding area 42 surrounds the outer ring of the crushing area 41, the axes of the key shaft 3, the movable disc grinding disc 1 and the fixed disc grinding disc 2 are on the same straight line, the distribution directions of the grinding teeth 4 of the movable disc grinding disc 1 and the fixed disc grinding disc 2 are opposite, the degree of contact between the grinding teeth 4 on the surfaces of the movable disc grinding disc 1 and the fixed disc grinding disc 2 can be ensured through the key shaft 3, the axes of the movable disc grinding disc 1 and the fixed disc grinding disc 2 are, the width of the tooth groove is 2.5mm, the tooth depth is 6mm, the cutting angle of the grinding teeth 4 in the fine grinding area 43 is 30 degrees, the width is 1.8mm, the width of the tooth groove is 2.3mm, the tooth depth is 5mm, the cutting angle of the grinding teeth 4 in the coarse grinding area 42 is 20 degrees, the width is 2.0mm, the width of the tooth groove is 2.5mm, the tooth depth is 6mm, the cutting angle of the grinding teeth 4 in the fine grinding area 43 is 30 degrees, the width is 1.8mm, the width of the tooth groove is 2.3mm, the tooth depth is 5mm, the slurry preparation of the sanitary paper adopting the mixed beating mode can be more suitable, in addition, the large cutting angle in the range of 20-30 degrees is matched with the thinner grinding teeth 4, the total number of the grinding teeth 4 of the grinding disc can be effectively increased, the total cutting length of the grinding teeth 4 is improved by about 30 percent, the energy-saving effect is well realized, the coarse grinding area 42, the fine grinding area 43 and the fine grinding area 43 are concentric circles, and the grinding disc and the static disc are composed of a plurality of grinding discs 2 in a sector-shaped combined, through the design that the rough grinding area 42, the fine grinding area 43 and the fine grinding area 43 are concentric circles, the reasonability of the layout of the grinding teeth 4 is increased, the grinding efficiency is further increased, the movable disc grinding sheet 1 and the static disc grinding sheet 2 are both cylindrical, the movable disc grinding sheet 1 and the static disc grinding sheet 2 are both made of alloy metal, each performance of the alloy metal has a great advantage compared with that of a single metal, and the movable disc grinding sheet 1 and the static disc grinding sheet 2 are loss products, so that the service lives of the movable disc grinding sheet 1 and the static disc grinding sheet 2 can be ensured by the alloy metal, the production cost is further reduced, the key shaft 3 and an output shaft of an internal driving mechanism of the grinding machine are fixedly installed, the static disc grinding sheet 2 is fixedly installed in a grinding cavity inside the grinding machine through bolts, and through the arrangement of the key shaft 3, the mechanical energy sent by the internal driving, thereby driving the movable disc grinding disc 1 to rotate, and matching with the static disc grinding disc 2 to carry out grinding operation, the density of the grinding teeth 4 in the fine grinding area 43 is greater than that of the grinding teeth 4 in the rough grinding area 42, the density of the grinding teeth 4 in the rough grinding area 42 is greater than that of the grinding teeth 4 in the crushing area 41, and through the design of different densities of the grinding teeth 4, the grinding teeth 4 of each density can be matched in the grinding process, so as to carry out different grinding operations, thereby improving the grinding efficiency, and through the arrangement of the movable disc grinding disc 1, the static disc grinding disc 2, the key shaft 3, the grinding teeth 4, the crushing area 41, the rough grinding area 42 and the fine grinding area 43, the traditional grinding disc design is broken, the creativity is increased, the actual grinding process is combined, the practical effectiveness is increased by adjusting the number of grinding discs and arrangement, the number of grinding discs is changed, the grinding time of pulp is reduced, the manufacturing energy consumption is reduced, and, the preparation of the slurry takes a long time, and the energy consumption for manufacturing is too high, thereby increasing the production cost.

During the use, pass through bolt fixed mounting with key shaft 3 on the output shaft of the inside actuating mechanism of fiberizer, then install driving disk abrasive disc 1 on the surface of key shaft 3, install quiet dish abrasive disc 2 in the mill intracavity portion, can accomplish the installation to the abrasive disc, this abrasive disc possesses following advantage: the key shaft 3, the axes of the movable disc grinding sheet 1 and the static disc grinding sheet 2 are on the same straight line, the fit of the grinding teeth 4 on the surfaces of the movable disc grinding sheet 1 and the static disc grinding sheet 2 can be ensured, the grinding efficiency is increased, the cutting angle of the grinding teeth 4 in the rough grinding area 42 is 20 degrees, the width is 2.0mm, the width of each tooth groove is 2.5mm, the tooth depth is 6mm, the cutting angle of the grinding teeth 4 in the fine grinding area 43 is 30 degrees, the width is 1.8mm, the width of each tooth groove is 2.3mm, and the tooth depth is 5mm, so that the pulp preparation method is more suitable for most of the household sanitary paper adopting a mixed pulping mode, in addition, a large cutting angle in a range of 20-30 degrees is matched with the thinner grinding teeth 4, the total grinding teeth 4 number of the grinding sheets can be effectively increased, the total cutting length of the grinding teeth 4 is improved by about 30 percent, the energy-saving effect is well realized, and the design that the rough grinding area 42, the fine grinding area 43 and the fine, the reasonability of the layout of the grinding teeth 4 is increased, the grinding efficiency is further increased, the movable disc grinding sheet 1 and the static disc grinding sheet 2 are both made of alloy metal, each performance of the alloy metal has great advantages compared with that of a single metal, and the movable disc grinding sheet 1 and the static disc grinding sheet 2 are loss products, so that the service lives of the movable disc grinding sheet 1 and the static disc grinding sheet 2 can be ensured by the alloy metal, the production cost is further reduced, the key shaft 3 can transmit mechanical energy sent by a driving mechanism inside the grinding machine, the movable disc grinding sheet 1 is driven to rotate, the grinding operation is carried out by being matched with the static disc grinding sheet 2, and the grinding teeth 4 are designed in different densities, the grinding teeth 4 in each density can be matched in the grinding process, different grinding operations are carried out, and the grinding efficiency is improved; the grinding disc breaks through the traditional grinding disc design, the creativity is increased, the actual grinding process is combined, the effectiveness is increased by adjusting the number of grinding disc teeth and arranging the grinding disc teeth, the number of grinding disc teeth is changed, the grinding time of pulp is reduced, the manufacturing energy consumption is reduced, and the grinding disc is very worthy of popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving abrasive disc of domestic paper wood pulp, includes movable disc abrasive disc (1) and quiet disc abrasive disc (2), its characterized in that: the key shaft (3) is fixedly mounted at the axis of the movable disc grinding disc (1), grinding teeth (4) are formed in one sides of the movable disc grinding disc (1) and the static disc grinding disc (2), each grinding tooth (4) comprises a crushing area (41), a coarse grinding area (42) and a fine grinding area (43), the fine grinding area (43) surrounds the outer ring of the coarse grinding area (42), and the coarse grinding area (42) surrounds the outer ring of the crushing area (41).

2. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the key shaft (3), the axes of the movable disc grinding sheet (1) and the static disc grinding sheet (2) are on the same straight line, and the grinding teeth (4) of the movable disc grinding sheet (1) and the static disc grinding sheet (2) are distributed in opposite directions.

3. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the cutting angle of the grinding teeth (4) in the rough grinding area (42) is 20 degrees, the width is 2.0mm, the width of the tooth groove is 2.5mm, and the tooth depth is 6 mm.

4. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the cutting angle of the grinding teeth (4) in the fine grinding area (43) is 30 degrees, the width is 1.8mm, the width of the tooth groove is 2.3mm, and the tooth depth is 5 mm.

5. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the rough grinding area (42), the fine grinding area (43) and the fine grinding area (43) are concentric circles, and the movable disc grinding disc (1) and the fixed disc grinding disc (2) are formed by combining a plurality of fan-shaped plates.

6. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the movable disc grinding piece (1) and the static disc grinding piece (2) are both cylindrical, and the movable disc grinding piece (1) and the static disc grinding piece (2) are both made of alloy metal.

7. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the key shaft (3) is fixedly installed with an output shaft of a driving mechanism in the pulping machine, and the static disc grinding disc (2) is fixedly installed in a grinding cavity in the pulping machine through bolts.

8. The energy-saving grinding sheet for domestic paper wood pulp as claimed in claim 1, wherein: the density of the grinding teeth (4) inside the fine grinding area (43) is greater than that of the grinding teeth (4) inside the rough grinding area (42), and the density of the grinding teeth (4) inside the rough grinding area (42) is greater than that of the grinding teeth (4) inside the crushing area (41).