CN115957852A - Barite powder grinding preparation process and preparation equipment thereof - Google Patents

Barite powder grinding preparation process and preparation equipment thereof Download PDF

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Publication number
CN115957852A
CN115957852A CN202310190630.9A CN202310190630A CN115957852A CN 115957852 A CN115957852 A CN 115957852A CN 202310190630 A CN202310190630 A CN 202310190630A CN 115957852 A CN115957852 A CN 115957852A
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China
Prior art keywords
grinding
disc
inverted cone
barite
assembly
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CN202310190630.9A
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Chinese (zh)
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赵宝贵
李茂森
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Pingli County Baolitong Mining Co ltd
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Pingli County Baolitong Mining Co ltd
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Priority to CN202310190630.9A priority Critical patent/CN115957852A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

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Abstract

The invention relates to the field of barite powder preparation, in particular to a barite powder grinding preparation process, which realizes grinding preparation through grinding equipment, wherein the grinding equipment comprises a crusher, the bottom of the crusher is provided with an inverted cone, a circulating grinding mechanism is arranged in the inverted cone, the circulating grinding mechanism is provided with a crushing assembly, a grinding assembly and a circulating assembly, an intermediate pipeline is coaxially arranged in the inverted cone, the bottom of the inverted cone extends downwards to form a blanking barrel, and the upper half part of the blanking barrel is provided with a fixed knife rest for fixing the intermediate pipeline. The invention also relates to barite powder grinding preparation equipment.

Description

Barite powder grinding preparation process and preparation equipment thereof
Technical Field
The invention relates to the field of barite powder preparation, in particular to a barite powder grinding preparation process and barite powder grinding preparation equipment.
Background
The barite powder production equipment flow comprises: raw ore coarse crushing 600X900 jaw crusher → belt conveyer → bunker mineral blending stable product quality → bunker → vibrating feeder → fine crushing 250X400 jaw crusher → bucket elevator → fine bunker → pulverizer 1645 type Raymond mill grinds raw ore and passes the fineness after the analyzer sieves, the qualified product → elevator → product storage bunker → screw conveyer → automatic metering bagging.
At present, when processing the barite powder, a crusher is adopted to directly crush the barite raw material, then crushed barite particles are screened, then the screened barite particles are sent to a pulverizer to be ground into powder, and screened barite particles which do not fall are poured out to be crushed again, so that the barite powder processing method has the following problems: 1. when the crushed barite particles are screened, a screening belt is in a certain length, so that part of the barite particles are not screened completely; if set up the overlength with the screening area, can lead to screening time long, and screening area occupied is big, if can not sieve broken barite granule completely, easily lead to qualified barite raw materials breakage increase cost once more, caused unnecessary extravagant.
The processing method of barite powder disclosed in the current chinese patent CN202210304152.5 uses a barite powder processing device, the barite powder processing device includes a processing box, crushing rollers and a baffle, the crushing rollers for crushing barite raw material are rotatably connected between the front and rear inner walls of the upper side of the processing box, the crushing rollers are arranged left and right, the baffle is installed on the left and right inner walls of the processing box, and a guide feed hopper, a screening mechanism, a storage material guide hopper and a temporary storage mechanism are sequentially installed on the inner wall of the processing box from top to bottom.
According to above-mentioned patent, the screening mechanism that this patent adopted can carry out the two-stage screening to the barite granule after the breakage to make and reach the whole screen outs of the barite granule of certain size after the breakage, however, this mode can't be whole with barite powder screening, still can leave the barite granule that does not reach the requirement and stay on screening mechanism, lead to the not good condition of barite grinding effect, consequently, need one kind at present to circulate to carry out the equipment of grinding to the barite.
Disclosure of Invention
Aiming at the problems in the prior art, the barite powder grinding preparation equipment is provided, the barite particles are effectively up to the standard of the barite powder through the fine grinding of the barite particles by the grinding assembly and the grinding assembly, and the barite powder which does not reach the specified requirement is ground again through the circulation assembly in a circulating mode, so that the production qualified rate of the barite powder is improved.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the invention provides a barite powder grinding preparation process, which comprises the following steps:
s1, putting heavy metal stones into a crusher to be crushed;
s2, the crushed barite powder falls into a crushing assembly for secondary crushing;
s3, falling the crushed barite powder into a grinding assembly to obtain fine grinding;
s4, falling the finely ground barite powder on an inverted conical disc, and screening qualified powder through a second sieve mesh;
and S5, feeding unqualified powder into a circulating assembly, and conveying the unqualified powder into a crushing assembly for processing again.
Preferably, realize the grinding preparation through grinding equipment, grinding equipment includes the breaker, the bottom of breaker is equipped with an inverted cone section of thick bamboo, be equipped with the circulation grinding mechanism that is used for processing heavy gold stone in the inverted cone section of thick bamboo, circulation grinding mechanism is equipped with crushing unit and grinding subassembly and circulation subassembly, crushing unit, grinding subassembly and circulation subassembly set gradually along the axis direction from the top down of an inverted cone section of thick bamboo, coaxial being equipped with an intermediate pipe in the inverted cone section of thick bamboo, the bottom downwardly extending of an inverted cone section of thick bamboo has a blanking section of thick bamboo, blanking section of thick bamboo is coaxial with the intermediate pipe, the first half of blanking section of thick bamboo is equipped with the fixed knife rest that supplies the intermediate pipe to fix, crushing unit installs between intermediate pipe and an inverted cone section of thick bamboo, grinding subassembly is installed between crushing unit and blanking section of thick bamboo, circulation subassembly is installed in the intermediate pipe.
Preferably, crushing unit is equipped with rotary disk and rotatory ring, the coaxial and pivoted setting of rotary disk is on middle pipeline, rotatory coaxial and pivoted setting of ring is on a back taper section of thick bamboo, rotatory internal diameter is greater than the external diameter of rotary disk, the edge of rotary disk has the first plectrum of a plurality of along its circumferencial direction equipartition, rotatory edge has a plurality of along its circumferencial direction equipartition with the second plectrum that first plectrum clamp is in wherein, the below of a back taper section of thick bamboo is equipped with rather than coaxial end ring, the fixed connection frame that is equipped with between end ring and the back taper section of thick bamboo, the edge of end ring has the surrounding step, rotatory ring pivoted setting is at a back taper section of thick bamboo and surrounding step between.
Preferably, the grinding assembly is provided with an upper grinding disc and a lower grinding disc, the upper grinding disc is arranged at the bottom of the rotating disc, the lower grinding disc is arranged on the bottom ring and located below the upper grinding disc, the upper grinding disc and the lower grinding disc are coaxial with the middle pipeline, a fixing sleeve fixedly connected with the rotating disc and sleeved on the middle pipeline is arranged on the upper grinding disc, the lower grinding disc is fixedly connected with the bottom ring, and a grinding space is reserved between the upper grinding disc and the lower grinding disc.
Preferably, the last rotation of stationary knife rest is equipped with the sleeve pipe of cover on the middle pipeline, rotary disk and sleeve pipe fixed connection, be equipped with on the stationary knife rest and be used for driving the rotatory first rotary actuator of sleeve pipe, rotatory ring's outside has and encircles a week and be in a back taper section of thick bamboo and encircle the rotation portion between the step, a back taper section of thick bamboo all is equipped with around a week evenly distributed's ball with the one side of encircleing the step and rotating the portion contact, have on the rotation portion with ball complex annular, be equipped with on the connection frame and be used for driving rotatory second rotary actuator of rotatory ring.
Preferably, the top of the rotating disc is provided with a conical surface, a plurality of first sieve holes are formed in the rotating disc, and a gap is reserved between the rotating disc and the upper grinding disc.
Preferably, the top of the upper grinding disc is uniformly distributed with centrifugal bars around the circumference direction, and the periphery of the bottom ring is provided with air ports which are right opposite to the air ports between the upper grinding disc and the lower grinding disc.
Preferably, the circulation subassembly is equipped with the back taper dish, and the coaxial and pivoted setting of back taper dish has seted up a plurality of second sieve mesh at the lower extreme of blanking section of thick bamboo on the back taper section of thick bamboo, and the cone point of back taper dish rotates with the lower extreme of intermediate pipe to be connected, is equipped with on the blanking section of thick bamboo to be used for driving the rotatory third rotary actuator of back taper dish.
Preferably, the circulation assembly is further provided with a screw conveyor, the screw conveyor is installed in the middle pipeline, a fixing support is arranged between the upper end of the screw conveyor and the inverted cone-shaped cylinder, the middle pipeline is of a structure with an upper end open and a lower end closed, and an inlet for powder to enter is formed in the side edge of the lower end of the middle pipeline.
The invention also provides barite grinding preparation equipment which comprises a crusher, wherein an inverted cone is arranged at the bottom of the crusher, a circulating grinding mechanism used for processing the barite is arranged in the inverted cone, the circulating grinding mechanism is provided with a grinding assembly, a grinding assembly and a circulating assembly, the grinding assembly and the circulating assembly are sequentially arranged from top to bottom along the axial direction of the inverted cone, an intermediate pipeline is coaxially arranged in the inverted cone, a blanking barrel extends downwards from the bottom of the inverted cone, the blanking barrel is coaxial with the intermediate pipeline, a fixing knife rest used for fixing the intermediate pipeline is arranged at the upper half part of the blanking barrel, the grinding assembly is arranged between the intermediate pipeline and the inverted cone, the grinding assembly is arranged between the grinding assembly and the blanking barrel, and the circulating assembly is arranged in the intermediate pipeline.
This application compares in prior art's beneficial effect and is:
1. according to the invention, the barite particles are effectively up to the standard of the barite powder by finely grinding the barite particles through the grinding component and the grinding component, and the barite powder which does not meet the specified requirements is re-ground by circularly conveying the barite powder through the circulating component, so that the fine production of the barite powder is realized, and the production qualified rate of the barite powder is improved.
2. According to the invention, through the reverse rotation between the rotating disk and the rotating ring, the crushed barite is crushed into barite particles under the extrusion of the first stirring sheet and the second stirring sheet, so that the barite particles are conveniently ground by the grinding assembly, secondary crushing of the barite is realized, and the barite is ensured to be more finely crushed.
3. According to the invention, the unqualified barite powder is ground again by the backflow conveying of the barite powder by the screw conveyor, and the qualified barite powder falls out through the second sieve holes on the inverted conical disc, so that the fine processing of the barite powder is realized, the production quality of the barite powder is ensured, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a barite grinding preparation apparatus;
fig. 2 is a partial three-dimensional structural sectional view of a barite grinding preparation apparatus;
fig. 3 is a schematic perspective view of a circulating grinding mechanism of a barite grinding preparation apparatus;
fig. 4 is a front view of a circulating grinding mechanism of the barite grinding preparation apparatus;
FIG. 5 isbase:Sub>A cross-sectional view taken at A-A of FIG. 4;
FIG. 6 isbase:Sub>A cross-sectional view of the perspective structure of FIG. 4 taken along line A-A;
FIG. 7 is an enlarged schematic view at B of FIG. 6;
FIG. 8 is an enlarged schematic view at C of FIG. 6;
FIG. 9 is an enlarged schematic view at D of FIG. 6;
fig. 10 is an enlarged schematic view at E of fig. 6.
The reference numbers in the figures are:
1-a crusher;
2-an inverted cone;
21-bottom ring; 211-surrounding step; 212-a ball bearing; 213-gas port;
22-a connection frame;
3-a circulating grinding mechanism;
31-a size reduction assembly; 311-a rotating disc; 3111-a first paddle; 3112-a sleeve; 3113-first mesh; 312-a rotating ring; 3121-a second paddle; 3122-a turning portion; 313 — a first rotary drive; 314-a second rotary drive;
32-a grinding assembly; 321-an upper grinding disc; 3211-fixing sleeve; 3212-centrifuge bar; 322-lower grinding disc;
33-a circulation assembly; 331-inverted conical disc; 3311-second mesh; 332-a third rotary drive; 333-screw conveyor; 334-fixing the bracket;
4-an intermediate pipeline;
41-an entry port;
5-a blanking barrel;
51-fixing the tool holder.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the invention.
A barite powder grinding preparation process comprises the following steps:
s1, putting heavy metal stones into a crusher 1 for crushing;
s2, falling crushed barite powder into the crushing assembly 31 for secondary crushing;
s3, the crushed barite powder falls into the grinding assembly 32 to be ground and processed;
s4, falling the finely ground barite powder on the inverted cone-shaped disc 331, and screening qualified powder through a second sieve mesh 3311;
and S5, delivering the unqualified powder into the circulating component 33, and conveying the unqualified powder into the crushing component 31 for processing again.
Referring to fig. 1 to 6, the grinding preparation is realized by a grinding apparatus, the grinding apparatus includes a crusher 1, a reverse tapered cylinder 2 is disposed at the bottom of the crusher 1, and a circulating grinding mechanism 3 for processing heavy diamond is disposed in the reverse tapered cylinder 2, and the grinding mechanism 3 is provided with a grinding component 31, a grinding component 32, and a circulating component 33, the grinding component 31, the grinding component 32, and the circulating component 33 are sequentially disposed along the axial direction of the reverse tapered cylinder 2 from top to bottom, an intermediate pipe 4 is coaxially disposed in the reverse tapered cylinder 2, a blanking cylinder 5 extends downward from the bottom of the reverse tapered cylinder 2, the blanking cylinder 5 is coaxial with the intermediate pipe 4, a fixed knife rest 51 for fixing the intermediate pipe 4 is disposed at the upper half of the blanking cylinder 5, the grinding component 31 is mounted between the intermediate pipe 4 and the reverse tapered cylinder 2, the grinding component 32 is mounted between the grinding component 31 and the blanking cylinder 5, and the circulating component 33 is mounted in the intermediate pipe 4.
When preparing the barite powder, firstly, the barite is put into the crusher 1, the barite is primarily crushed through the crusher 1, the crushed barite falls into the crushing assembly 31 along the inverted cone-shaped cylinder 2, the crushed barite is crushed again through the crushing assembly 31 to obtain barite particles, the barite particles continuously fall down to fall into the grinding assembly 32, the grinding assembly 32 performs fine grinding treatment on the barite particles to finally form the barite powder, the barite powder reaching the specified degree falls out along the falling cylinder 5, the barite powder not reaching the specified degree enters the intermediate pipeline 4, the barite powder is conveyed upwards along the intermediate pipeline 4 through the circulating assembly 33 until the barite powder falls out from the upper end of the intermediate pipeline 4, the barite powder falls into the crushing assembly 31 again, and the barite powder is ground through the crushing assembly 31 and the grinding assembly 32 again until the processing and production of the barite powder are completed.
Referring to fig. 2, 5, 6 and 7, the crushing assembly 31 is provided with a rotating disc 311 and a rotating ring 312, the rotating disc 311 is coaxially and rotatably disposed on the middle pipe 4, the rotating ring 312 is coaxially and rotatably disposed on the reverse conical cylinder 2, the inner diameter of the rotating ring 312 is larger than the outer diameter of the rotating disc 311, a plurality of first shifting pieces 3111 are uniformly distributed on the edge of the rotating disc 311 along the circumferential direction thereof, a plurality of second shifting pieces 3121 for clamping the first shifting pieces 3111 are uniformly distributed on the edge of the rotating ring 312 along the circumferential direction thereof, a bottom ring 21 coaxial therewith is disposed below the reverse conical cylinder 2, a connecting frame 22 is fixedly disposed between the bottom ring 21 and the reverse conical cylinder 2, the edge of the bottom ring 21 is provided with a surrounding step 211, and the rotating ring 312 is rotatably disposed between the reverse conical cylinder 2 and the surrounding step 211.
When the crushing assembly 31 processes the crushed barite, the rotating disc 311 and the rotating disc 312 rotate synchronously and reversely, barite particles fall on the rotating disc 311, the crushed barite is thrown outwards during the rotation of the rotating disc 311, so that the crushed barite comes between the rotating disc 312 and the rotating disc 311, and due to the fact that the rotating disc 311 and the rotating disc 312 rotate reversely, the first shifting piece 3111 and the second shifting piece 3121 are further arranged between the rotating disc 311 and the rotating disc 312 in a matching mode, and the crushed barite is crushed again under the extrusion of the first shifting piece 3111 and the second shifting piece 3121 during the process that the first shifting piece 3111 and the second shifting piece 3121 are staggered, so that the crushed barite particles are crushed.
Referring to fig. 2, 5, 6 and 8, the grinding assembly 32 is provided with an upper grinding disc 321 and a lower grinding disc 322, the upper grinding disc 321 is disposed at the bottom of the rotating disc 311, the lower grinding disc 322 is disposed on the bottom ring 21 and below the upper grinding disc 321, both the upper grinding disc 321 and the lower grinding disc 322 are coaxial with the middle pipeline 4, the upper grinding disc 321 is provided with a fixing sleeve 3211 which is fixedly connected with the rotating disc 311 and sleeved on the middle pipeline 4, the lower grinding disc 322 is fixedly connected with the bottom ring 21, and a grinding space is left between the upper grinding disc 321 and the lower grinding disc 322.
When the barite particles fall into the grinding assembly 32, the barite particles are located between the upper grinding disc 321 and the lower grinding disc 322, and then the upper grinding disc 321 is driven to rotate together with the rotation of the rotating disc 311, and the lower grinding disc 322 is in a static state, so that the barite particles are ground into powder between the upper grinding disc 321 and the lower grinding disc, and then fall out along the blanking barrel 5 in the continuous grinding process.
Referring to fig. 6, 7, 8 and 10, a sleeve 3112 is rotatably disposed on the fixed tool holder 51 and sleeved on the intermediate pipe 4, the rotating disc 311 is fixedly connected to the sleeve 3112, a first rotating driver 313 is disposed on the fixed tool holder 51 and used for driving the sleeve 3112 to rotate, a rotating portion 3122 surrounding a circle and located between the inverted cone 2 and the surrounding step 211 is disposed outside the rotating ring 312, balls 212 uniformly distributed around a circle are disposed on the inverted cone 2 and a surface of the surrounding step 211 contacting the rotating portion 3122, an annular groove engaged with the balls 212 is disposed on the rotating portion 3122, and a second rotating driver 314 is disposed on the connecting frame 22 and used for driving the rotating ring 312 to rotate.
When the rotating disk 311 and the rotating ring 312 are driven, the first rotating driver 313 drives the sleeve 3112 to rotate, so as to drive the rotating disk 311 and the upper grinding disk 321 which are fixedly connected with the sleeve to rotate, the second rotating driver 314 drives the rotating ring 312 to rotate, so that the barite particles which subsequently fall between the upper grinding disk 321 and the lower grinding disk 322 are ground while the barite particles are crushed, and finally, the preparation of the barite powder is completed.
Referring to fig. 6 and 7, the top of the rotating plate 311 has a conical surface, a plurality of first holes 3113 are formed in the rotating plate 311, and a gap is left between the rotating plate 311 and the upper grinding disc 321.
When the crushed barite falls on the rotating disc 311, the rotating disc 311 is provided with the first sieve holes 3113, so that the barite particles which can pass through the first sieve holes 3113 directly fall on the top of the upper grinding disc 321, while the barite which cannot pass through the first sieve holes 3113 slides down along the conical surface of the rotating disc 311 in the rotating process of the rotating disc 311 until the barite is crushed into particles and then falls between the upper grinding disc 321 and the lower grinding disc 322, while the barite particles on the top of the upper grinding disc 321 are centrifugally thrown out in the rotating process, fall between the upper grinding disc 321 and the lower grinding disc 322 after contacting the surrounding step 211, and are ground into powder through the matching of the upper grinding disc 321 and the lower grinding disc 322.
Referring to fig. 5, 6 and 8, the top of the upper grinding disc 321 is uniformly distributed with centrifugal bars 3212 around the circumference thereof, and the bottom ring 21 has a circumference opposite to the air ports 213 between the upper grinding disc 321 and the lower grinding disc 322.
When the upper grinding disc 321 rotates, the centrifugal bar 3212 is arranged at the top of the upper grinding disc 321, so that barite particles at the top of the upper grinding disc 321 are extracted outwards under the centrifugal action, the phenomenon that the barite particles still accumulate at the top of the upper grinding disc 321 during rotation is avoided, and when the barite particles reach the edges of the lower grinding disc 322 and the upper grinding disc 321, in order to enable the barite particles to enter between the upper grinding disc 321 and the lower grinding disc 322 and enter the blanking barrel 5 after grinding, the air is introduced towards the middle of the upper grinding disc 321 and the lower grinding disc 322 through the air port 213, so that the barite particles are blown towards the direction of the upper barrel opening of the blanking barrel 5, the situation that the barite particles accumulate at the edge of the upper grinding disc 321 is avoided, and the production efficiency of the barite powder is effectively improved.
Referring to fig. 5, 6 and 9, the circulating assembly 33 is provided with an inverted conical disk 331, the inverted conical disk 331 is coaxially and rotatably disposed at the lower end of the blanking cylinder 5, the inverted conical cylinder 2 is provided with a plurality of second sieve holes 3311, a conical point of the inverted conical disk 331 is rotatably connected with the lower end of the intermediate pipeline 4, and the blanking cylinder 5 is provided with a third rotary driver 332 for driving the inverted conical disk 331 to rotate.
When the barite powder falls downwards, the barite powder passes through the fixed tool rest 51, so that the barite powder is dispersed to fall on the inverted cone-shaped disc 331, along with the rotation of the third rotary driver 332 on the inverted cone-shaped disc 331, qualified barite powder on the inverted cone-shaped disc is screened out through the second sieve holes 3311, unqualified barite powder slides down to the middle pipeline 4 along the conical surface of the inverted cone-shaped disc 331, and the barite powder is conveyed to the crushing component 31 again through the circulating component 33 for circular treatment.
Referring to fig. 5, 6 and 9, the circulating assembly 33 is further provided with a screw conveyor 333, the screw conveyor 333 is installed in the intermediate pipe 4, a fixing bracket 334 is provided between the upper end of the screw conveyor 333 and the inverted cone-shaped barrel 2, the intermediate pipe 4 is open at the upper end and closed at the lower end, and the lower end side edge of the intermediate pipe 4 is provided with an inlet 41 for powder to enter.
When the blanc fixe slides towards the lower end of the intermediate pipeline 4, the blanc fixe enters the intermediate pipeline 4 through the inlet 41, and then the screw conveyor 333 is started to drive the blanc fixe to be conveyed upwards along the pipe wall of the intermediate pipeline 4 until the blanc fixe falls out of the upper part of the intermediate pipeline 4, then falls on the rotating disc 311 again, and the crushing and grinding treatment is carried out again.
Referring to fig. 1-6, a barite grinding preparation device includes a crusher 1, a reverse tapered cylinder 2 is disposed at the bottom of the crusher 1, and a circulating grinding mechanism 3 for processing heavy diamond is disposed in the reverse tapered cylinder 2, and is characterized in that the circulating grinding mechanism 3 is provided with a grinding assembly 31, a grinding assembly 32 and a circulating assembly 33, the grinding assembly 31, the grinding assembly 32 and the circulating assembly 33 are sequentially disposed along the axial direction of the reverse tapered cylinder 2 from top to bottom, an intermediate pipeline 4 is coaxially disposed in the reverse tapered cylinder 2, a blanking cylinder 5 extends downward from the bottom of the reverse tapered cylinder 2, the blanking cylinder 5 is coaxial with the intermediate pipeline 4, a fixing knife rest 51 for fixing the intermediate pipeline 4 is disposed at the upper half of the blanking cylinder 5, the grinding assembly 31 is disposed between the intermediate pipeline 4 and the reverse tapered cylinder 2, the grinding assembly 32 is disposed between the grinding assembly 31 and the blanking cylinder 5, and the circulating assembly 33 is disposed in the intermediate pipeline 4.
According to the invention, the barite particles are finely ground by the grinding component 31 and the grinding component 32, so that the barite particles effectively reach the standard of the barite powder, and the barite powder which does not meet the specified requirements is circularly conveyed by the circulating component 33, so that the barite powder is ground again, and the production qualified rate of the barite powder is improved.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The barite powder grinding preparation process is characterized by comprising the following steps of:
s1, putting heavy metal stones into a crusher (1) for crushing;
s2, falling crushed barite powder into a crushing assembly (31) for secondary crushing;
s3, the crushed barite powder falls into a grinding assembly (32) to be ground and processed;
s4, falling the finely ground barite powder on an inverted cone-shaped disc (331), and screening qualified powder through a second screen hole (3311);
and S5, delivering the unqualified powder into a circulating assembly (33), and conveying the unqualified powder into a crushing assembly (31) for processing again.
2. The barite grinding preparation process according to claim 1, wherein grinding preparation is realized through grinding equipment, the grinding equipment comprises a crusher (1), an inverted cone (2) is arranged at the bottom of the crusher (1), a circulating grinding mechanism (3) for processing heavy diamond is arranged in the inverted cone (2), the process is characterized in that the circulating grinding mechanism (3) is provided with a grinding assembly (31), a grinding assembly (32) and a circulating assembly (33), the grinding assembly (31), the grinding assembly (32) and the circulating assembly (33) are sequentially arranged along the axis direction of the inverted cone (2) from top to bottom, an intermediate pipeline (4) is coaxially arranged in the inverted cone (2), a blanking barrel (5) extends downwards from the bottom of the inverted cone (2), the blanking barrel (5) is coaxial with the intermediate pipeline (4), a fixing knife rest (51) for fixing the intermediate pipeline (4) is arranged at the upper half part of the blanking barrel (5), the grinding assembly (31) is arranged between the intermediate pipeline (4) and the inverted cone (2), and the grinding assembly (32) is arranged between the intermediate pipeline (31) and the circulating assembly (33).
3. The barite grinding preparation process according to claim 2, characterized in that the grinding assembly (31) is provided with a rotating disc (311) and a rotating ring (312), the rotating disc (311) is coaxially and rotatably arranged on the intermediate pipeline (4), the rotating ring (312) is coaxially and rotatably arranged on the inverted cone (2), the inner diameter of the rotating ring (312) is larger than the outer diameter of the rotating disc (311), a plurality of first shifting pieces (3111) are uniformly distributed on the edge of the rotating disc (311) along the circumferential direction of the rotating disc, a plurality of second shifting pieces (3121) for clamping the first shifting pieces (3111) are uniformly distributed on the edge of the rotating ring (312) along the circumferential direction of the rotating ring, a bottom ring (21) coaxial with the inverted cone (2) is arranged below the inverted cone (2), a connecting frame (22) is fixedly arranged between the bottom ring (21) and the inverted cone (2), the edge of the bottom ring (21) is provided with a surrounding step (211), and the rotating ring (312) is arranged between the inverted cone (2) and the surrounding step (211).
4. The barite grinding preparation process according to claim 2, wherein the grinding assembly (32) is provided with an upper grinding disc (321) and a lower grinding disc (322), the upper grinding disc (321) is arranged at the bottom of the rotating disc (311), the lower grinding disc (322) is arranged on the bottom ring (21) and is located below the upper grinding disc (321), both the upper grinding disc (321) and the lower grinding disc (322) are coaxial with the intermediate pipeline (4), the upper grinding disc (321) is provided with a fixing sleeve (3211) which is fixedly connected with the rotating disc (311) and sleeved on the intermediate pipeline (4), the lower grinding disc (322) is fixedly connected with the bottom ring (21), and a grinding space is left between the upper grinding disc (321) and the lower grinding disc (322).
5. The barite powder grinding preparation process according to claim 3, characterized in that a sleeve (3112) sleeved on the intermediate pipeline (4) is rotatably arranged on the fixed tool rest (51), the rotating disk (311) is fixedly connected with the sleeve (3112), a first rotating driver (313) for driving the sleeve (3112) to rotate is arranged on the fixed tool rest (51), balls (212) uniformly distributed around a circle are arranged on the outer edge of the rotating ring (312) and located between the inverted cone (2) and the surrounding step (211), the inverted cone (2) and the surface of the surrounding step (211) in contact with the rotating portion (3122) are provided with annular grooves matched with the balls (212), and a second rotating driver (314) for driving the rotating ring (312) to rotate is arranged on the connecting frame (22).
6. The barite grinding preparation process according to claim 3, characterized in that the top of the rotating disc (311) is provided with a conical surface, the rotating disc (311) is provided with a plurality of first sieve holes (3113), and a gap is left between the rotating disc (311) and the upper grinding disc (321).
7. The powder grinding production process of the barite powder as claimed in claim 3, wherein the top of the upper grinding disc (321) is uniformly distributed with centrifugal bars (3212) around the circumference direction thereof, and the bottom ring (21) has a circumference opposite to the air ports (213) between the upper grinding disc (321) and the lower grinding disc (322).
8. The barite powder grinding preparation process according to claim 2, wherein the circulating component (33) is provided with an inverted cone-shaped disc (331), the inverted cone-shaped disc (331) is coaxially and rotatably arranged at the lower end of the blanking cylinder (5), the inverted cone-shaped cylinder (2) is provided with a plurality of second sieve holes (3311), the conical point of the inverted cone-shaped disc (331) is rotatably connected with the lower end of the intermediate pipeline (4), and the blanking cylinder (5) is provided with a third rotary driver (332) for driving the inverted cone-shaped disc (331) to rotate.
9. The barite powder grinding preparation process according to claim 8, wherein the circulating assembly (33) is further provided with a screw conveyor (333), the screw conveyor (333) is installed in the intermediate pipe (4), a fixing support (334) is arranged between the upper end of the screw conveyor (333) and the inverted cone-shaped cylinder (2), the intermediate pipe (4) is of a structure with an open upper end and a closed lower end, and an inlet (41) for powder to enter is formed in the side edge of the lower end of the intermediate pipe (4).
10. The utility model provides a barite grinding preparation facility, including breaker (1), the bottom of breaker (1) is equipped with an inverted cone section of thick bamboo (2), be equipped with in the inverted cone section of thick bamboo (2) and be used for the circulation grinding mechanism (3) to heavy diamond processing, a serial communication port, circulation grinding mechanism (3) are equipped with crushing unit (31) and grinding subassembly (32) and circulation subassembly (33), crushing unit (31), grinding subassembly (32) and circulation subassembly (33) set gradually along the axis direction from the top down of inverted cone section of thick bamboo (2), coaxial one intermediate pipe way (4) that is equipped with in inverted cone section of thick bamboo (2), the bottom downwardly extending of inverted cone section of thick bamboo (2) has blanking section of thick bamboo (5), blanking section of thick bamboo (5) are coaxial with intermediate pipe way (4), the first half of blanking section of thick bamboo (5) is equipped with and supplies intermediate pipe way (4) fixed stationary knife rest (51), crushing unit (31) are installed between intermediate pipe way (4) and inverted cone section of thick bamboo (2), grinding subassembly (32) are installed between crushing unit (31) and blanking section of thick bamboo (5), install in intermediate pipe (33).
CN202310190630.9A 2023-03-02 2023-03-02 Barite powder grinding preparation process and preparation equipment thereof Pending CN115957852A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB500952A (en) * 1937-08-14 1939-02-14 Morton Smith Improvements in or relating to mixing or grinding mills and the like
JPS5174864U (en) * 1974-12-04 1976-06-12
CN110152859A (en) * 2019-05-30 2019-08-23 孙哲西 Grinding device is used in a kind of recycling of building waste
CN110314734A (en) * 2019-08-01 2019-10-11 黄志云 A kind of fiberizer and its refining device
CN210522640U (en) * 2019-09-08 2020-05-15 上高县奥古特陶瓷有限公司 Multiple-effect milling machine for ceramic manufacture
CN114768925A (en) * 2022-04-19 2022-07-22 中电建安徽长九新材料股份有限公司 Broken subassembly of circular cone
CN217249551U (en) * 2022-02-15 2022-08-23 湖南省药品审核查验中心 Medical medicine grinder in room of dispensing
CN217431890U (en) * 2022-04-11 2022-09-16 安康市汉滨区东香矿业公司 Grinder is smashed to low noise barite

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB500952A (en) * 1937-08-14 1939-02-14 Morton Smith Improvements in or relating to mixing or grinding mills and the like
JPS5174864U (en) * 1974-12-04 1976-06-12
CN110152859A (en) * 2019-05-30 2019-08-23 孙哲西 Grinding device is used in a kind of recycling of building waste
CN110314734A (en) * 2019-08-01 2019-10-11 黄志云 A kind of fiberizer and its refining device
CN210522640U (en) * 2019-09-08 2020-05-15 上高县奥古特陶瓷有限公司 Multiple-effect milling machine for ceramic manufacture
CN217249551U (en) * 2022-02-15 2022-08-23 湖南省药品审核查验中心 Medical medicine grinder in room of dispensing
CN217431890U (en) * 2022-04-11 2022-09-16 安康市汉滨区东香矿业公司 Grinder is smashed to low noise barite
CN114768925A (en) * 2022-04-19 2022-07-22 中电建安徽长九新材料股份有限公司 Broken subassembly of circular cone

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