阅读说明：本技术 一种高分子纳米石基纸张改性处理方法及处理设备 (Modification treatment method and treatment equipment for polymer nano stone-based paper ) 是由 高焕兵 赵化阵 闫秋玲 韩启斌 景财年 李刚 段晨旭 于 2020-08-11 设计创作，主要内容包括：本发明公开了一种高分子纳米石基纸张改性处理方法及处理设备,本发明设置了一种带有能够升降并且同时旋转的转动磨盘,在需要研磨物料时,混合粉末物料从投料管的中心处投入,随后根据粉末原料的细度,启动顶部的升降设备,带动吊杆升降移动,进而能够带动研磨混合机构整体升降,调节转动磨盘与固定磨盘之间的间隙,然后启动电机带动进料管转动,从而带动转动磨盘转动,利用转动磨盘和固定磨盘之间的摩擦碾压研磨混合物料,并且固定座内部的加热丝可以选择启动或者关闭,配合加工条件使用,有效的解决了现有的石头纸生产过程中的改性处理过程繁琐复杂,加工效率低下,设备维护保养麻烦以及使用成本高的问题。(The invention discloses a modification treatment method and treatment equipment for polymer nanometer stone-based paper, which is provided with a rotary grinding disc capable of lifting and rotating simultaneously, when materials need to be ground, mixed powder materials are put from the center of a feeding pipe, then lifting equipment at the top is started according to the fineness of the powder raw materials to drive a suspender to lift and move, further a grinding and mixing mechanism can be driven to lift integrally, a gap between the rotary grinding disc and a fixed grinding disc is adjusted, then a motor is started to drive a feeding pipe to rotate, thereby driving the rotary grinding disc to rotate, the mixed materials are ground by utilizing the friction between the rotary grinding disc and the fixed grinding disc, and a heating wire in a fixed seat can be selectively started or closed to be matched with processing conditions for use, thereby effectively solving the problems that the modification treatment process in the existing stone paper production process is complicated and the processing efficiency is low, the maintenance of the equipment is troublesome and the use cost is high.)

1. A modification treatment method for polymer nano stone-based paper is characterized by comprising the following treatment steps:

firstly, performing primary crushing, cleaning and calcining on raw material stone through crushing equipment to obtain stone particles, wherein the widest diameter of the particles is between 0 and 15 millimeters;

conveying the crushed stone particles to the feed end of a grinding machine through a conveyor belt for high-pressure grinding, and crushing the stone particles into calcium carbonate particles of 1-8 microns;

thirdly, drying the calcium carbonate particles according to the specific gravity of the components, wherein the drying time is controlled to be between 3 and 6 hours, and the water content of a finished product is controlled to be within 0.3 percent of the total weight, so as to obtain dried calcium carbonate powder;

mixing calcium carbonate powder, finished polyethylene powder and cationic starch modifier in a ratio of 95: 5, heating, mixing and circularly grinding the mixture by modification treatment equipment at the temperature of 65-80 ℃, wherein the grinding time is ensured to be 5-10 minutes, and obtaining the primary modified stone paper base material;

fifthly, adding a coupling agent accounting for 1 percent of the total mass of the calcium carbonate powder into the primary modified stone paper base material, and then fully and circularly stirring for 10 to 15 minutes to obtain a secondary modified stone paper base material;

sixthly, adding a dispersing agent accounting for 1 percent of the total mass of the calcium carbonate powder in the same batch into the secondary modified stone paper base material, and then fully and circularly stirring for 5 to 10 minutes to obtain the modified calcium carbonate powder for stone paper.

2. The utility model provides a modified treatment facility of polymer nanometer stone-based paper, includes equipment rack (1) that is used for support equipment, its characterized in that: the equipment frame (1) comprises a base (11), a fixed seat (13) is assembled at the top of the base (11), a fixed grinding disc (14) is assembled at the top end of the fixed seat (13), a shell (15) is assembled on the side surface of the fixed seat (13), an adjusting bracket (2) capable of adjusting ascending and descending is assembled at the top end of the shell (15), a rotatable grinding and mixing mechanism (3) is assembled at the center of the adjusting bracket (2), a heating resistance wire is assembled inside the fixed seat (13) to heat the fixed grinding disc (14), the adjusting bracket (2) comprises a hanging rod (21), a fixed ring (24) is assembled at the bottom end of the hanging rod (21), a bearing (25) is assembled on the inner surface of the fixed ring (24), the grinding and mixing mechanism (3) comprises a rotating grinding disc (31), and a feeding pipe (32) is assembled on the upper surface of the rotating, the outer surface of the feeding pipe (32) is assembled at the center of the bearing (25), and the top end of the feeding pipe (32) is assembled with a power mechanism driven by a belt to drive the rotary grinding disc (31) to rotate.

3. The polymer nano-stone-based paper modification processing equipment as claimed in claim 2, wherein: the upper surface of base (11) is equipped with pillar (12), the upper surface of pillar (12) is assembled at the lower surface of shell (15), the lower surface of shell (15) is the inclined plane structure of height from a left side to the right side, the right-hand member of shell (15) is equipped with row material pipe (16).

4. The polymer nano-stone-based paper modification processing equipment according to claim 3, characterized in that: trepanning (18) have been seted up to the upper surface center department of shell (15), the upper surface edge of shell (15) has seted up slide opening (17), slide opening (17) cup joint the top surface at jib (21).

5. The polymer nano-stone-based paper modification processing equipment of claim 4, wherein: the bottom of jib (21) is equipped with mount (22), the lower surface of mount (22) is equipped with connecting rod (23), the lower surface assembly of connecting rod (23) is at the upper surface of solid fixed ring (24), gu the upper surface assembly of fixed ring (24) has shield (26).

6. The polymer nano-stone-based paper modification processing equipment of claim 5, wherein: the lower surface of the fixing ring (24) is fitted with a dust cover (27), and the outer wall of the dust cover (27) is engaged with the inner wall surface of the housing (15).

7. The polymer nano-stone-based paper modification processing equipment of claim 4, wherein: the top end of the outer surface of the feeding pipe (32) is provided with a first belt pulley (34), the outer surface of the first belt pulley (34) is provided with a transmission belt (36), the inner surface of the transmission belt (36) is provided with a second belt pulley (35), and the center of the second belt pulley (35) is provided with a motor (37).

8. The polymer nano-stone-based paper modification processing equipment according to claim 7, characterized in that: the inner surface of the trepan boring (18) is provided with a feeding pipe (38), and the bottom end of the feeding pipe (38) is inserted into the inner surface of the feeding pipe (32).

Technical Field

The invention relates to the field of stone paper production, in particular to a modification treatment method and treatment equipment for polymer nano stone-based paper.

Background

The stone paper is a novel material between paper and plastics, can replace part of traditional functional paper and professional paper, can also replace most of traditional plastic packages, has the characteristics of controllable degradation, good waterproof performance, high toughness and the like, can save a large amount of cost for a user, and cannot generate pollution, when the stone paper is produced, the raw material calcium carbonate powder of the stone paper needs to be added with parameters of other components for improving the hydrophilicity, the activation degree, the oil absorption value, the dispersibility and the like of the calcium carbonate powder, so that the calcium carbonate powder has basic waterproof and oleophylic properties and is convenient to write, and the modification treatment process in the existing stone paper production process at least needs three different stirring and mixing devices, such as a heating stirrer, a double-roller stirrer, a grinding machine and the like, so that the connectivity of different processes is poor, and the process is complicated, the processing efficiency is low, and various types of equipment also cause the maintenance of the equipment to need different schemes and even different technicians, so that the production cost is increased.

Disclosure of Invention

The present invention aims to provide a method and a device for modifying and processing polymer nano-stone-based paper, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: polymer nano stone

The base paper modifying treatment method comprises the following treatment steps:

firstly, performing primary crushing, cleaning and calcining on raw material stone through crushing equipment to obtain stone particles, wherein the widest diameter of the particles is between 0 and 15 millimeters;

conveying the crushed stone particles to the feed end of a grinding machine through a conveyor belt for high-pressure grinding, and crushing the stone particles into calcium carbonate particles of 1-8 microns;

thirdly, drying the calcium carbonate particles according to the specific gravity of the components, wherein the drying time is controlled to be between 3 and 6 hours, and the water content of a finished product is controlled to be within 0.3 percent of the total weight, so as to obtain dried calcium carbonate powder;

mixing calcium carbonate powder, finished polyethylene powder and cationic starch modifier in a ratio of 95: 5, heating, mixing and circularly grinding the mixture by modification treatment equipment at the temperature of 65-80 ℃, wherein the grinding time is ensured to be 5-10 minutes, and obtaining the primary modified stone paper base material;

fifthly, adding a coupling agent accounting for 1 percent of the total mass of the calcium carbonate powder into the primary modified stone paper base material, and then fully and circularly stirring for 10 to 15 minutes to obtain a secondary modified stone paper base material;

sixthly, adding a dispersing agent accounting for 1 percent of the total mass of the calcium carbonate powder in the same batch into the secondary modified stone paper base material, and then fully and circularly stirring for 5 to 10 minutes to obtain the modified calcium carbonate powder for stone paper.

Preferably, the high-molecular nano-stone-based paper modifying treatment equipment comprises an equipment rack for supporting the equipment, the equipment frame comprises a base, a fixed seat is assembled at the top of the base, a fixed grinding disc is assembled at the top end of the fixed seat, the side surface of the fixed seat is provided with a shell, the top end of the shell is provided with an adjusting bracket capable of adjusting the lifting, a grinding and mixing mechanism which can rotate is assembled at the center of the adjusting bracket, a heating resistance wire is assembled in the fixed seat to heat the fixed grinding disc, the adjusting bracket comprises a hanging rod, the bottom end of the hanging rod is provided with a fixing ring, the inner surface of the fixing ring is provided with a bearing, the grinding and mixing mechanism comprises a rotary grinding disc, the upper surface of the rotary grinding disc is provided with a feeding pipe, the outer surface assembly of inlet pipe is in the center department of bearing, the top of inlet pipe is equipped with and is driven the rotation mill rotation with belt driven power unit.

Preferably, the upper surface of base is equipped with the pillar, the upper surface of pillar is equipped with the lower surface at the shell, the lower surface of shell is the inclined plane structure of high right-hand low from a left side to the right side, the right-hand member of shell is equipped with row material pipe.

Preferably, the center of the upper surface of the shell is provided with a sleeve hole, the edge of the upper surface of the shell is provided with a slide hole, and the slide hole is sleeved on the outer surface of the top end of the suspender.

Preferably, the bottom of jib is equipped with the mount, the lower surface of mount is equipped with the connecting rod, the lower surface assembly of connecting rod is at solid fixed ring's upper surface, gu fixed ring's upper surface is equipped with the shield.

Preferably, the lower surface of the fixing ring is fitted with a dust cover, and an outer wall of the dust cover is engaged with an inner wall surface of the housing.

Preferably, the top end of the outer surface of the feeding pipe is provided with a first belt pulley, the outer surface of the first belt pulley is provided with a transmission belt, the inner surface of the transmission belt is provided with a second belt pulley, and the center of the second belt pulley is provided with a motor.

Preferably, the inner surface of the trepan boring is provided with a feeding pipe, and the bottom end of the feeding pipe is inserted into the inner surface of the feeding pipe.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a rotary millstone which can be lifted and simultaneously rotate, when materials need to be ground, mixed powder materials are put from the center of a feeding pipe, then lifting equipment at the top is started according to the fineness of the powder materials to drive a suspender to lift and move, further a grinding and mixing mechanism can be driven to lift integrally, a gap between the rotary millstone and a fixed millstone is adjusted, then a motor is started to drive a feeding pipe to rotate, thereby driving the rotary millstone to rotate, the mixed materials are ground by utilizing the friction between the rotary millstone and the fixed millstone, and a heating wire in a fixed seat can be selectively started or closed to be matched with processing conditions for use, thereby effectively solving the problems that the modification processing process in the existing stone paper production process needs more than three different types of stirring equipment for stirring processing, and the processing process is complicated, low processing efficiency, troublesome equipment maintenance and high use cost.

Drawings

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

FIG. 2 is a cutaway assembled view of the present invention;

FIG. 3 is a schematic view of a cutaway assembly of the grinding and mixing mechanism of the present invention;

fig. 4 is a sectional assembly view of the adjusting bracket of the invention.

In the figure: 1. equipment frame, 11, base, 12, pillar, 13, fixing base, 14, fixed grinding disc, 15, shell, 16, discharge pipe, 17, slide hole, 18, trepanning, 2, adjusting bracket, 21, suspender, 22, fixing frame, 23, connecting rod, 24, fixing ring, 25, bearing, 26, dust cover, 27, dust cover, 3, grinding and mixing mechanism, 31, rotating grinding disc, 32, feeding pipe, 33, feeding hole, 34, first belt pulley, 35, second belt pulley, 36, driving belt, 37, motor, 38 and feeding pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a modification treatment method for polymer nano stone-based paper comprises the following treatment steps:

firstly, performing primary crushing, cleaning and calcining on raw stone materials through crushing equipment to obtain stone particles, wherein the widest diameter of the stone particles is 0-15 mm, and the size of the raw stone materials processed through the step is 0-15 mm, so that the later grinding process can be facilitated, and the abrasion of grinding equipment is reduced;

conveying the crushed stone particles to the feeding end of a grinding machine through a conveyor belt for high-pressure grinding, crushing the stone particles into calcium carbonate particles of 1-8 microns, and directly conveying the ground powder to the treatment equipment in the invention through external conveying equipment;

thirdly, drying the calcium carbonate particles according to the specific gravity of the components, wherein the drying time is controlled to be between 3 and 6 hours, and the water content of a finished product is controlled to be within 0.3 percent of the total weight, so as to obtain dried calcium carbonate powder;

mixing calcium carbonate powder, finished polyethylene powder and cationic starch modifier in a ratio of 95: 5, heating, mixing and circularly grinding the mixture by modification treatment equipment at the temperature of 65-80 ℃, wherein the grinding time is ensured to be 5-10 minutes, so as to obtain a primary modified stone paper base material, cationic starch is one of the commonly used modifiers in the prior art, and the cationic modifier can also use polyacrylamide PAM, cellulose CMC, polyvinyl alcohol PVA or sodium tripolyphosphate and the like according to different production requirements and the consideration of the convenient degree and cost of transportation;

fifthly, adding a coupling agent accounting for 1 percent of the total mass of the calcium carbonate powder into the primary modified stone paper base material, and then fully and circularly stirring for 10 to 15 minutes to obtain a secondary modified stone paper base material, wherein the coupling agent can be one of the coupling agents commonly used in the prior art, isopropyl triisostearoyl titanate is preferably selected as the coupling agent, and isopropyl dioleate acyloxy titanate, distearoyl acyloxy isopropyl aluminate and the like can also be used as the coupling agent according to different production requirements and consideration of the convenient degree and cost of transportation;

sixthly, adding a dispersing agent accounting for 1 percent of the total mass of the calcium carbonate powder in the same batch into the secondary modified stone paper base material, then fully and circularly stirring the mixture for 5 to 10 minutes to obtain modified calcium carbonate powder for stone paper, wherein the dispersing agent can be one of dispersing agents commonly used in the prior art, ethylene bis stearamide is preferably selected in the invention, and stearic acid monoglyceride, tristearin, oleamide and the like can be used as the coupling agent according to different production requirements and the consideration of the convenient degree and cost of transportation;

in the steps, the mixing process of primary modification adopts equipment with synchronous heating, grinding and circulating stirring for processing, at least one equipment in the processing process is saved, the functions of a grinding machine and a heating stirring machine are combined for use, the equipment can also be provided with a plurality of sets of equipment in production, and the processes of primary modification, secondary modification and final modification molding can be processed by using the modification equipment in the invention, so that a large amount of resources are saved.

Specifically, a polymer nano-stone-based paper modification treatment device comprises a device frame 1 for supporting the device, wherein the device frame 1 comprises a base 11, a fixed seat 13 is assembled at the top of the base 11, a fixed grinding disc 14 is assembled at the top end of the fixed seat 13, a shell 15 is assembled on the side surface of the fixed seat 13, an adjusting support 2 capable of adjusting ascending and descending is assembled at the top end of the shell 15, a rotatable grinding and mixing mechanism 3 is assembled at the center of the adjusting support 2, a heating resistance wire is assembled inside the fixed seat 13 and heats the fixed grinding disc 14, the adjusting support 2 comprises a hanging rod 21, a fixed ring 24 is assembled at the bottom end of the hanging rod 21, a bearing 25 is assembled on the inner surface of the fixed ring 24, the grinding and mixing mechanism 3 comprises a rotating grinding disc 31, a feeding pipe 32 is assembled on the upper surface of the rotating grinding disc 31, the outer surface of the feeding pipe 32 is;

the outer side end of the discharge pipe 16 in the invention is provided with a lifting circulation device with a discharge hole, when the circular grinding and mixing are needed, the material discharged from the discharge pipe 16 is transmitted to the top of the feeding pipe 38 again through a guide pipe and a spiral elevator structure, and enters the device again for grinding, thereby realizing a circular grinding state;

the invention is provided with a rotary grinding disc 31 which can be lifted and simultaneously rotate, when materials need to be ground, mixed powder materials are put from the center of a feeding pipe 38, then lifting equipment at the top is started according to the fineness of the powder raw materials, a suspender 21 is driven to lift and move, further, a grinding and mixing mechanism 3 can be driven to lift and lower integrally, the gap between the rotary grinding disc 31 and a fixed grinding disc 14 is adjusted, then a motor 37 is started to drive a feeding pipe 32 to rotate, thereby driving the rotary grinding disc 31 to rotate, the mixed materials are ground by utilizing the friction between the rotary grinding disc 31 and the fixed grinding disc 14, and heating wires in a fixed seat 13 can be selectively started or closed to be matched with processing conditions for use, thereby effectively solving the problem that the modification processing process in the existing stone paper production process needs to be stirred and processed by more than three different types of stirring equipment, the problems of complex and complicated processing process, low processing efficiency, troublesome equipment maintenance and high use cost are brought.

Specifically, the upper surface of the base 11 is provided with the support column 12, the upper surface of the support column 12 is arranged on the lower surface of the shell 15, the lower surface of the shell 15 is of an inclined plane structure with a higher left part and a lower right part from left to right, the right end of the shell 15 is provided with the discharge pipe 16, the materials after grinding and mixing are conveniently discharged by gravity through the inclined internal structure, and the right end of the discharge pipe 16 can be provided with a negative pressure transmission device to pump out powder.

Particularly, trepanning 18 has been seted up in the upper surface center department of shell 15, and slide opening 17 has been seted up at the upper surface edge of shell 15, and slide opening 17 cup joints the top surface at jib 21, and slide opening 17 and trepanning 18 conveniently cup joint the pipeline to downthehole slip seal structure that has, when using, outside jacking equipment can drive jib 21 and slide and go up and down at the internal surface of slide opening 17, and can drive the synchronous motion of feeding pipe 38 of assembly in its middle part simultaneously.

Specifically, the bottom end of the hanger rod 21 is equipped with the mount 22, the lower surface of the mount 22 is equipped with the connecting rod 23, the lower surface of the connecting rod 23 is assembled on the upper surface of the fixed ring 24, the upper surface of the fixed ring 24 is equipped with the dust cap 26, the center of the dust cap 26 is equipped with the rotary sealing mechanism, the dust-proof effect is provided for the top end of the bearing 25, and the bottom end of the fixed ring 24 and the dust cap 26 have the same structure and have the sealing structure.

Specifically, the lower surface of the fixed ring 24 is equipped with the dust cover 27, the outer wall of the dust cover 27 is engaged on the inner wall surface of the housing 15, and the dust cover 27 between the lower surfaces of the rotating grinding disc 31 and the fixed ring 24 is isolated through the inner wall of the housing 15, so that dust can be isolated, and the dustproof effect of the structure of the top motor 37 and the like is improved while the maximum downward discharge of materials is ensured.

Specifically, the top end of the outer surface of the feed pipe 32 is fitted with a first pulley 34, the outer surface of the first pulley 34 is fitted with a driving belt 36, the inner surface of the driving belt 36 is fitted with a second pulley 35, the center of the second pulley 35 is fitted with a motor 37, and the lower surface of the left side of the motor 37 is fitted on the upper surface of the holder 22.

In particular, the inner surface of the trepan 18 is provided with a feeding pipe 38, and the bottom end of the feeding pipe 38 is inserted into the inner surface of the feeding pipe 32.

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.