CN115921063A - Production device and method of high-dispersion barium sulfate - Google Patents

Abstract

The invention discloses a device and a method for producing high-dispersion barium sulfate. Comprises a supporting frame, wherein a crushing device, a filtering device and a grinding device are arranged on the supporting frame; the crushing device comprises a sleeve, a feeding funnel is arranged at the upper end of the sleeve, a first grinding roller is horizontally and rotatably arranged at a discharge port at the bottom of the funnel, a crushing pipe is connected to the lower end of the funnel, and a second grinding roller is vertically and rotatably arranged in the crushing pipe; the grinding device comprises a grinding barrel, a cylindrical filter cylinder surrounded by a second filter screen is arranged in the grinding barrel, a storage chamber is surrounded between the filter cylinder and the grinding barrel, a grinding plate with a filter hole is rotatably arranged at the bottom of the filter cylinder, a third grinding roller is rotatably arranged above the grinding plate, and qualified barium sulfate powder ground by the cooperation of the third grinding roller and the grinding plate enters the storage chamber through the filter hole in the surfaces of the filter cylinder and the grinding plate. The invention can carry out multistage grinding on the barite used for producing the high-dispersion barium sulfate, and has good grinding effect and high efficiency.

Description

Production device and method of high-dispersion barium sulfate

Technical Field

The invention relates to the technical field of metal barium preparation, in particular to a device and a method for producing high-dispersion barium sulfate.

Background

In the process of preparing barium sulfate powder, barite with high barium content is selected for fine selection, fine washing and airing, and the aired barite is ground and then subjected to thunder grinding on a thunder grinding machine to enable the fineness of the barite to reach more than 400 meshes. The fineness of barium sulfate powder is highly required.

The application provides a production device of high dispersion barium sulfate who possesses multistage grinding effect based on barium sulfate in the production process to the higher demand of concentration degree requirement.

Disclosure of Invention

The invention aims to provide a production device and a production method of high-dispersion barium sulfate, which improve the grinding efficiency of barium sulfate powder by multi-stage grinding.

In order to achieve the purpose, the invention provides the following technical scheme: a production device of high-dispersion barium sulfate, comprising:

the crushing device, the filtering device and the grinding device are arranged on the supporting frame;

the crushing device comprises a sleeve, a feeding funnel is arranged at the upper end of the sleeve, an extrusion crushing device is arranged in the feeding funnel, a first grinding roller is horizontally and rotatably arranged at a discharge port at the bottom of the funnel, a crushing pipe is connected to the lower end of the funnel, and a second grinding roller is vertically and rotatably arranged in the crushing pipe;

the filtering device comprises a first filtering pipe and a second filtering pipe, the first filtering pipe is obliquely communicated to the bottom of the crushing pipe, the second filtering pipe is vertically connected to the lower end of the first filtering pipe, and a first filter screen is fixed at the communication position of the upper end of the second filtering pipe and the first filtering pipe;

the grinding device comprises a grinding barrel, a cylindrical filter cylinder surrounded by a second filter screen is arranged in the grinding barrel, a storage chamber is surrounded between the filter cylinder and the grinding barrel, the bottom end of a first filter pipe is communicated with the upper end of the grinding barrel, crushed materials fall into the filter cylinder from the upper end of the filter cylinder,

a grinding plate with a filtering hole is rotatably arranged at the bottom of the filter cylinder, a third grinding roller is rotatably arranged above the grinding plate, and qualified barium sulfate powder ground by the grinding of the third grinding roller and the grinding plate enters the storage chamber through the filtering hole in the surfaces of the filter cylinder and the grinding plate;

the second filter pipe is communicated to the storage chamber, and the qualified barium sulfate powder falls down from the first filter screen and enters the storage chamber through the second filter pipe.

Preferably, the extrusion crushing device comprises a first crushing roller and a second crushing roller which are parallel and rotatably arranged, two ends of the first crushing roller and two ends of the second crushing roller are rotatably connected to the side wall of the feeding hopper, a gap is reserved between the two ends of the first crushing roller and the second crushing roller, and the first grinding roller is positioned under the gap;

the rotating shafts of the first crushing roller and the first grinding roller are connected through a belt, the rotating shaft of the first crushing roller is fixedly connected with an output shaft of a first driving motor, and the first driving motor is fixed on the inner wall of the sleeve.

Preferably, the outer side wall of the filter cartridge is fixed to the inner wall of the grinding barrel through a support rod.

Preferably, the rotating shaft of the grinding plate penetrates out of the grinding barrel upwards and is fixedly connected with an output shaft of a second driving motor, and the second driving motor is fixed on the supporting frame.

Preferably, the third grinding rollers are arranged on the surface of the grinding plate in two and parallel manners, the rotating shaft of the third grinding roller penetrates out of the filter cylinder and the grinding barrel in a rotating manner, the outer ends of the two third grinding rollers are respectively fixed with a worm wheel, a worm matched with the worm wheel is arranged between the two worm wheels, the rotating shaft of the worm is rotatably connected onto the support frame, the output shaft of the second driving motor drives the rotating shaft of the worm to rotate through a belt, and the rotating shaft of the worm drives the rotating shaft of the second grinding roller to rotate through the belt.

Preferably, a rotating disc is fixed on a rotating shaft of the grinding plate above the filter cylinder, and the diameter of the rotating disc is smaller than that of the filter cylinder.

Preferably, brushes are vertically fixed on two sides of the rotating disc and cling to the inner wall of the filter cylinder.

Preferably, a fan is fixed on a rotating shaft of the grinding plate inside the filter cylinder.

A production method of high-dispersion barium sulfate comprises the following steps:

firstly, putting the barite after selection, fine washing and airing into a feeding hopper from the upper end of the feeding hopper, crushing a large solid into small blocks by an extrusion crushing device, and then grinding the small blocks by a first grinding roller to enter a crushing pipe;

secondly, continuously grinding the small barite blocks entering the crushing pipe by a second grinding roller, and then sliding out of the bottom of the crushing pipe to the first filter pipe;

thirdly, if the powder entering the first filter pipe is qualified in size, the powder falls into a second filter pipe from the first filter screen and then enters a storage chamber through the second filter pipe; if the size is unqualified, the powder continuously falls into the grinding barrel;

fourthly, the barite powder falling into the grinding barrel is decelerated through the rotary table, then is thrown out of the rotary table into the filter cylinder when the rotary table rotates, the powder is continuously ground through the matching of a third grinding roller at the bottom of the filter cylinder and a grinding plate, and the powder with qualified particle size enters the storage chamber from the filter holes in the surface of the filter cylinder and the filter holes in the surface of the grinding plate;

and fifthly, opening a valve at the bottom of the storage chamber to collect the powder.

Compared with the prior art, the invention has the following beneficial effects:

the multi-stage grinding device is arranged, so that the barite used for producing the high-dispersion barium sulfate can be finely ground, the grinding effect is good, the efficiency is high, the qualified powder and the unqualified blocks can be rapidly and timely separated, the whole structure of the device is compact, and the design is ingenious.

Drawings

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

FIG. 2 is a schematic view of the crushing device, the filtering device and the grinding device of the present invention;

FIG. 3 is a schematic view of the crushing apparatus according to the present invention;

FIG. 4 is a schematic view of the polishing apparatus with the polishing barrel removed;

FIG. 5 is a front cross-sectional view of a grinding barrel;

FIG. 6 is a schematic view of FIG. 4 with the filter cartridge removed;

in the figure: 1-support frame, 2-sleeve, 3-feeding funnel, 4-first grinding roller, 5-crushing pipe, 6-second grinding roller, 7-first filtering pipe, 8-second filtering pipe, 9-first filtering net, 10-grinding barrel, 11-filtering cylinder, 12-grinding plate, 13-third grinding roller, 14-first crushing roller, 15-second crushing roller, 16-first driving motor, 17-supporting rod, 18-second driving motor, 19-worm wheel, 20-worm, 21-rotary table, 22-brush and 23-fan.

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 to 6, the present invention provides a technical solution: a production device of high-dispersion barium sulfate, comprising:

the device comprises a support frame 1, wherein a crushing device, a filtering device and a grinding device are arranged on the support frame 1;

the crushing device comprises a sleeve 2, a feeding funnel 3 is arranged at the upper end of the sleeve 2, an extrusion crushing device is arranged in the feeding funnel 3, a first grinding roller 4 is horizontally and rotatably arranged at a discharge port at the bottom of the funnel, a crushing pipe 5 is connected to the lower end of the funnel, and a second grinding roller 6 is vertically and rotatably arranged in the crushing pipe 5; the bold barite solid is smashed into the fritter through extrusion breaker earlier, then is grinding through second grinding roller 6, and second grinding roller 6 is through the extrusion with 3 lateral walls of feed hopper to the material extrusion grinding. The extrusion crushing device comprises a first crushing roller 14 and a second crushing roller 15 which are parallel and rotatably arranged, two ends of the first crushing roller 14 and two ends of the second crushing roller 15 are rotatably connected to the side wall of the feeding hopper 3, a gap is reserved between the two ends of the first crushing roller 14 and the two ends of the second crushing roller 15, and the first grinding roller 4 is positioned right below the gap; the rotating shafts of the first crushing roller 14 and the first grinding roller 4 are connected through a belt, the rotating shaft of the first crushing roller 14 is fixedly connected with an output shaft of a first driving motor 16, and the first driving motor 16 is fixed on the inner wall of the sleeve 2. The first crushing roller 14 and the first grinding roller 4 can be driven simultaneously in rotation by the first drive motor 16. Because the solid block is large at the beginning, a high-power driving motor can be selected.

The filtering device comprises a first filtering pipe 7 and a second filtering pipe 8, the first filtering pipe 7 is obliquely communicated to the bottom of the crushing pipe 5, the second filtering pipe 8 is vertically connected to the lower end of the first filtering pipe 7, a first filter screen 9 is fixed at the upper end of the second filtering pipe 8 and the communication position of the first filtering pipe 7, the second filtering pipe 8 is communicated to the storage chamber, and qualified barium sulfate powder falls down from the first filter screen 9 and then enters the storage chamber through the second filtering pipe 8. The powder meeting the requirements can be filtered through the filtering device, and the powder which does not meet the requirements is continuously ground, so that the working efficiency is improved.

The grinding device comprises a grinding barrel 10, a cylindrical filter cylinder 11 surrounded by a second filter screen is arranged in the grinding barrel 10, the outer side wall of the filter cylinder 11 is fixed on the inner wall of the grinding barrel 10 through a support rod 17, a storage chamber is surrounded between the filter cylinder 11 and the grinding barrel 10, the bottom end of a first filter pipe 7 is communicated to the upper end of the grinding barrel 10, crushed aggregates fall into the filter cylinder 11 from the upper end of the filter cylinder 11, a grinding plate 12 with filter holes is rotatably arranged at the bottom of the filter cylinder 11, a third grinding roller 13 is rotatably arranged above the grinding plate 12, and qualified barium sulfate powder ground by the cooperation of the grinding roller 13 and the grinding plate 12 enters the storage chamber through the filter holes in the surfaces of the filter cylinder 11 and the grinding plate 12;

the rotating shaft of the grinding plate 12 penetrates out of the grinding barrel 10 upwards and is fixedly connected with the output shaft of a second driving motor 18, and the second driving motor 18 is fixed on the support frame 1. The third grinding roller 13 is provided with two parallel grinding rollers on the surface of the grinding plate 12, the rotating shaft of the third grinding roller 13 penetrates out of the filter cylinder 11 and the grinding barrel 10, the outer ends of the two third grinding rollers 13 are respectively fixed with a worm wheel 19, a worm 20 matched with the worm wheels is arranged between the two worm wheels 19, the rotating shaft of the worm 20 is rotatably connected to the support frame 1, the output shaft of the second driving motor 18 drives the rotating shaft of the worm 20 to rotate through a belt, and the rotating shaft of the worm 20 drives the rotating shaft of the second grinding roller 6 to rotate through the belt. When the second driving motor 18 works, the rotary disc 21, the grinding plate 12, the second grinding roller 6 and the third grinding roller 13 can be driven to work simultaneously, the structure is compact, the working efficiency is high, and the production cost is low.

A rotary disc 21 is fixed on the rotating shaft of the grinding plate 12 above the filter cartridge 11, and the diameter of the rotary disc 21 is smaller than that of the filter cartridge 11. The powder can fall earlier and carry out the speed reduction on the carousel 21, is fixed with fan 23 in straining the pivot of the inside lapping plate 12 of section of thick bamboo 11, and fan 23 also rotates through the drive of second driving motor 18, can blow qualified powder in the section of thick bamboo 11 to the storage chamber in, and carousel 21 can play the guard action to fan 23. The two sides of the rotating disc 21 are vertically fixed with the brushes 22, the brushes 22 are tightly attached to the inner wall of the filter cartridge 11, and when the rotating disc 21 rotates, the filter holes on the surface of the filter cartridge 11 can be cleaned through the brushes 22, so that the filtering effect is improved.

A production method of high-dispersion barium sulfate comprises the following steps:

firstly, putting the barite which is selected, washed finely and dried into a feeding funnel 3 from the upper end, crushing a large solid into small blocks by an extrusion crushing device, and then grinding the small blocks by a first grinding roller 4 and then feeding the small blocks into a crushing pipe 5;

secondly, the small barite entering the crushing pipe 5 is continuously ground by a second grinding roller 6 and then slides out of the bottom of the crushing pipe 5 to a first filtering pipe 7;

thirdly, if the powder entering the first filtering pipe 7 is qualified in size, the powder falls into the second filtering pipe 8 from the first filtering net 9 and then enters the storage chamber through the second filtering pipe 8; if the size is not qualified, the grinding fluid continuously falls into the grinding barrel 10;

fourthly, the barite powder falling into the grinding barrel 10 is decelerated through the rotating disc 21, then is thrown out into the filter cylinder 11 when the rotating disc 21 rotates, the powder is continuously ground through the cooperation of a third grinding roller 13 at the bottom of the filter cylinder 11 and the grinding plate 12, and the powder with qualified particle size enters the storage chamber from the filter hole in the surface of the filter cylinder 11 and the filter hole in the surface of the grinding plate 12;

and fifthly, opening a valve at the bottom of the storage chamber to collect the powder.

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 (9)

1. A production device of high-dispersion barium sulfate is characterized by comprising:

the device comprises a support frame (1), wherein a crushing device, a filtering device and a grinding device are arranged on the support frame (1);

the crushing device comprises a sleeve (2), a feeding funnel (3) is arranged at the upper end of the sleeve (2), an extrusion crushing device is arranged in the feeding funnel (3), a first grinding roller (4) is horizontally and rotatably arranged at a discharge outlet at the bottom of the funnel, a crushing pipe (5) is connected to the lower end of the funnel, and a second grinding roller (6) is vertically and rotatably arranged in the crushing pipe (5);

the filtering device comprises a first filtering pipe (7) and a second filtering pipe (8), the first filtering pipe (7) is obliquely communicated to the bottom of the crushing pipe (5), the second filtering pipe (8) is vertically connected to the lower end of the first filtering pipe (7), and a first filter screen (9) is fixed at the communication position of the upper end of the second filtering pipe (8) and the first filtering pipe (7);

the grinding device comprises a grinding barrel (10), a cylindrical filter cylinder (11) enclosed by a second filter screen is arranged in the grinding barrel (10), a storage chamber is enclosed between the filter cylinder (11) and the grinding barrel (10), the bottom end of a first filter pipe (7) is communicated to the upper end of the grinding barrel (10), the crushed aggregates fall into the filter cylinder (11) from the upper end of the filter cylinder (11),

a grinding plate (12) with a filtering hole is rotatably arranged at the bottom of the filter cylinder (11), a third grinding roller (13) is rotatably arranged above the grinding plate (12), and qualified barium sulfate powder ground by the grinding of the third grinding roller (13) and the grinding plate (12) in a matching manner enters the storage chamber through the filtering hole in the surfaces of the filter cylinder (11) and the grinding plate (12);

the second filter pipe (8) is communicated to the storage chamber, and the qualified barium sulfate powder falls down from the first filter screen (9) and then enters the storage chamber through the second filter pipe (8).

2. The apparatus for producing highly dispersed barium sulfate according to claim 1, wherein: the extrusion crushing device comprises a first crushing roller (14) and a second crushing roller (15) which are parallel and rotatably arranged, two ends of the first crushing roller (14) and two ends of the second crushing roller (15) are rotatably connected to the side wall of the feeding hopper (3) with a gap left between the two ends, and the first grinding roller (4) is positioned under the gap;

the rotating shafts of the first crushing roller (14) and the first grinding roller (4) are connected through a belt, the rotating shaft of the first crushing roller (14) is fixedly connected with an output shaft of a first driving motor (16), and the first driving motor (16) is fixed on the inner wall of the sleeve (2).

3. The apparatus for producing highly dispersed barium sulfate according to claim 1, wherein: the outer side wall of the filter cylinder (11) is fixed on the inner wall of the grinding barrel (10) through a support rod (17).

4. The apparatus for producing highly dispersed barium sulfate according to claim 1, wherein: the rotating shaft of the grinding plate (12) penetrates out of the grinding barrel (10) upwards and is fixedly connected with the output shaft of a second driving motor (18), and the second driving motor (18) is fixed on the support frame (1).

5. The apparatus for producing highly dispersed barium sulfate according to claim 4, wherein: the grinding device is characterized in that the third grinding rollers (13) are arranged on the surface of the grinding plate (12) in two and parallel manners, a rotating shaft of each third grinding roller (13) penetrates out of the filter cylinder (11) and the grinding barrel (10) in a rotating manner, the outer ends of the two third grinding rollers (13) are respectively fixed with a worm wheel (19), a worm (20) matched with the worm wheels is arranged between the two worm wheels (19), the rotating shaft of the worm (20) is rotatably connected onto the support frame (1), an output shaft of the second driving motor (18) drives the rotating shaft of the worm (20) to rotate through a belt, and the rotating shaft of the worm (20) drives the rotating shaft of the second grinding roller (6) to rotate through the belt.

6. The apparatus for producing highly dispersed barium sulfate according to claim 4, wherein: a rotating disc (21) is fixed on a rotating shaft of the grinding plate (12) above the filter cylinder (11), and the diameter of the rotating disc (21) is smaller than that of the filter cylinder (11).

7. The apparatus for producing highly dispersed barium sulfate according to claim 6, wherein: two sides of the rotating disc (21) are vertically fixed with brushes (22), and the brushes (22) are tightly attached to the inner wall of the filter cylinder (11).

8. The apparatus for producing highly dispersed barium sulfate according to claim 4, wherein: a fan (23) is fixed on the rotating shaft of the grinding plate (12) in the filter cylinder (11).

9. The production method of highly dispersed barium sulfate, the production device of highly dispersed barium sulfate according to claim 1, comprising the steps of:

firstly, putting selected, finely washed and air-dried barite into a feeding funnel (3) from the upper end, crushing a large solid into small blocks by an extrusion crushing device, and then grinding the small blocks by a first grinding roller (4) and then feeding the small blocks into a crushing pipe (5);

secondly, the small barite entering the crushing pipe (5) is continuously ground by a second grinding roller (6), and then slides out of the bottom of the crushing pipe (5) to a first filtering pipe (7);

thirdly, if the powder entering the first filtering pipe (7) is qualified in size, the powder falls into a second filtering pipe (8) from the first filtering net (9) and then enters a storage chamber through the second filtering pipe (8); if the size is unqualified, the powder continuously falls into the grinding barrel (10);

fourthly, the barite powder falling into the grinding barrel (10) is decelerated through the rotary disc (21), then is thrown out of the grinding barrel to the inside of the filter cylinder (11) when the rotary disc (21) rotates, the powder is continuously ground through the matching of a third grinding roller (13) at the bottom of the filter cylinder (11) and a grinding plate (12), and the powder with qualified particle size enters the storage chamber from a filter hole in the surface of the filter cylinder (11) and a filter hole in the surface of the grinding plate (12);

and fifthly, opening a valve at the bottom of the storage chamber to collect the powder.

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