CN117101866B - Barite microparticle screening silicon dioxide device and screening method thereof - Google Patents
Barite microparticle screening silicon dioxide device and screening method thereof Download PDFInfo
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- CN117101866B CN117101866B CN202311371939.4A CN202311371939A CN117101866B CN 117101866 B CN117101866 B CN 117101866B CN 202311371939 A CN202311371939 A CN 202311371939A CN 117101866 B CN117101866 B CN 117101866B
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- flotation
- plate
- rotary screen
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 98
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 title claims abstract description 67
- 229910052601 baryte Inorganic materials 0.000 title claims abstract description 67
- 239000010428 baryte Substances 0.000 title claims abstract description 67
- 238000012216 screening Methods 0.000 title claims abstract description 63
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 49
- 235000012239 silicon dioxide Nutrition 0.000 title claims description 17
- 239000011859 microparticle Substances 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 8
- 238000005188 flotation Methods 0.000 claims abstract description 62
- 239000002245 particle Substances 0.000 claims abstract description 58
- 238000007885 magnetic separation Methods 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 238000013519 translation Methods 0.000 claims description 9
- 239000011362 coarse particle Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 4
- 210000005056 cell body Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the screening field, in particular to a barite particle screening silica device which comprises a bracket, wherein a first fixed disc and a second fixed disc are symmetrically arranged on the bracket, an inner rotary screen cylinder and an outer rotary screen cylinder are coaxially and rotatably arranged between the first fixed disc and the second fixed disc, a flotation bin body is arranged below the outer rotary screen cylinder, a plurality of coarse screen holes are formed in the surface of the inner rotary screen cylinder, a plurality of fine screen holes are formed in the surface of the outer rotary screen cylinder, a uniform screen assembly, a magnetic separation assembly and a flotation assembly are further arranged in the inner rotary screen cylinder, the magnetic separation assembly is arranged on the outer rotary screen cylinder, and the flotation assembly is arranged in the flotation bin body. The invention also relates to a separation method for screening silica by using the barite particles.
Description
Technical Field
The invention relates to the field of screening, in particular to a device for screening silica by barite particles, and also relates to a method for screening silica by barite particles.
Background
The silica performance is good, and market demand is big, in the silica production process, need screen the silica, but traditional screening device generally only screens through single filter screen, and screening device probably blocks up, and screening efficiency is slow, and can not carry out classified screening, and the silica quality of screening is not good.
The utility model provides a hierarchical screening installation of silica production usefulness of china patent CN202120250061.9 that is presently disclosed, includes supporting baseplate, the top fixedly connected with mount of supporting baseplate, the first hierarchical section of thick bamboo of left side fixedly connected with of mount, the first servo motor of the first hierarchical section of thick bamboo back fixedly connected with, the first passage of left side fixedly connected with of first hierarchical section of thick bamboo, the first hierarchical section of thick bamboo of left side fixedly connected with second of first passage, the output shaft fixedly connected with spliced pole of first servo motor, the outside fixedly connected with connecting block of spliced pole, one side fixedly connected with first laminating piece of spliced pole is kept away from to the connecting block, the back fixedly connected with second servo motor of second hierarchical section of thick bamboo, the output shaft fixedly connected with of second servo motor accepts the post, accept the outside fixedly connected with of post and accept the piece, the outside fixedly connected with second laminating piece of accepting the piece, the top fixedly connected with material receiving box of first passage, the inside fixedly connected with second discharge hole of first passage, the inside fixedly connected with coarse filter screen of first discharge hole, the second hierarchical section of thick bamboo bottom fixedly connected with second filter screen.
According to the above patent, the silica having a moderate particle size is screened out by coarse filtration followed by fine filtration, but the quality of the screening is poor and impurities remain in the silica, so that there is a need for an apparatus capable of screening out the silica by screening, magnetic separation and flotation of barite particles.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a device for screening silica by barite particles, which enables coarse particles, magnetic impurities and other impurities in the barite particles to be removed through screening in an inner rotary screen cylinder, an outer rotary screen cylinder and a flotation bin body in sequence, thereby improving screening quality.
In order to solve the problems in the prior art, the invention provides a barite particle screening silica device which comprises a bracket, wherein a first fixed disc and a second fixed disc are symmetrically arranged on the bracket, an inner rotary screen cylinder and an outer rotary screen cylinder are coaxially and rotatably arranged between the first fixed disc and the second fixed disc, a screening cavity is formed between the inner rotary screen cylinder and the outer rotary screen cylinder, a feed inlet communicated with the inner rotary screen cylinder and a discharge outlet communicated with the screening cavity are respectively arranged on the first fixed disc, a flotation bin body is arranged below the outer rotary screen cylinder on the bracket, a discharge outlet is arranged at the bottom of the flotation bin body, a plurality of coarse screen holes are formed in the surface of the inner rotary screen cylinder, a plurality of fine screen holes are formed in the surface of the outer rotary screen cylinder, a uniform screen assembly, a magnetic separation assembly and a flotation assembly are arranged in the inner rotary screen cylinder, the magnetic separation assembly is arranged on the outer rotary screen cylinder, and the flotation assembly is arranged in the flotation bin body.
Preferably, the sieving component is provided with a bearing column and a pair of vibrating plates, the bearing column is coaxial and fixedly arranged between the first fixed disc and the second fixed disc, the bearing column is located under the feed inlet, the vibrating plates are symmetrically arranged on two sides of the bearing column, a first sliding rail and a second sliding rail which are coaxial and fixedly connected with the first fixed disc are respectively arranged below the bearing column, two ends of each vibrating plate are respectively arranged on the first sliding rail and the second sliding rail in a sliding manner, a plurality of even plates are arranged on the second sliding rail at equal intervals along the edge direction of the second sliding rail, a distance for barite particles to pass through is reserved between each even plate and the inner rotary sieve cylinder, and a vibration controller is arranged between the vibrating plates.
Preferably, the magnetic separation assembly is provided with a plurality of magnetic separation electromagnets which are arranged on the outer wall of the outer rotary screen cylinder and uniformly distributed along the circumferential direction of the outer rotary screen cylinder, a material pocket for magnetic impurities to take and discharge is arranged between the outer rotary screen cylinder and the inner rotary screen cylinder, the material pocket is fixed between a first fixed disc and a second fixed disc, and a start-stop controller matched with the magnetic separation electromagnets is arranged on the first fixed disc.
Preferably, the two sides of the upper half part of the flotation bin body are respectively provided with a water adding port and a dosing port, and the two sides of the lower half part of the flotation bin body are respectively provided with a gas guiding port.
Preferably, the upper half part of the flotation bin body is fixedly provided with a water level sensor above the water adding port and the agent adding port.
Preferably, the flotation component is equipped with first sieve and second sieve, and first sieve and second sieve symmetry set up in the both sides of the upper half of flotation cell body, and first sieve and second sieve all are located level sensor's below, and first sieve and second sieve can be at the last horizontal migration of flotation cell body, offer the notch that supplies first sieve and second sieve horizontal migration on the flotation cell body, and the outside of the flotation cell body corresponds the position department of first sieve and second sieve and all is equipped with a translation driver.
Preferably, the vibration controller is provided with a first electromagnet and a second electromagnet, the first electromagnet is arranged between the two vibrating plates and is fixedly connected with the first fixed disk, the second electromagnet is provided with a pair of vibrating plates, one second electromagnet is fixedly connected with one vibrating plate, the second electromagnet is positioned at the position matched with the first electromagnet on the vibrating plate, the position corresponding to each vibrating plate between the first sliding rail and the second sliding rail is provided with a fixed plate fixedly connected with the first fixed disk, and springs are fixedly connected between each vibrating plate and the corresponding fixed plate.
Preferably, the start-stop controller is provided with an opening-closing receiving sensor arranged on each magnetic separation electromagnet, the start-stop controller is further provided with a first control sensor and a second control sensor, the first control sensor is arranged on one side of the first fixed disc and is located above the material pocket, the second control sensor is arranged on the same side of the first fixed disc and the first control sensor and is located below the material pocket, and the first control sensor and the second control sensor are located on the first fixed disc and can be located at positions corresponding to each opening-closing receiving sensor.
Preferably, the translation driver is provided with a guide rail and a connecting rod, the guide rail is fixedly arranged on the outer side of the flotation bin body, the length direction of the guide rail is perpendicular to the length direction of the first sieve plate, a sliding block is arranged on the guide rail in a sliding mode, two ends of the connecting rod are respectively connected with the sliding block and the first sieve plate in a rotating mode, and an electric push rod used for pushing the connecting rod is arranged on the support.
The invention also provides a separation method of the barite microparticle screened silicon dioxide, which comprises the following steps:
s1, putting barite particles into an inner rotary screen drum through a feed inlet;
s2, starting a rotating motor to drive the inner rotating screen drum and the outer rotating screen drum to synchronously rotate, and carrying out coarse screening and fine screening on the heavy crystal particles;
s3, uniformly spreading the barite particles in an inner rotary screen drum through a uniform screen assembly to remove coarse particles and impurities;
s4, removing magnetic impurities in the barite particles through a magnetic separation assembly;
s5, separating the silicon dioxide from other impurities through a flotation component.
Compared with the prior art, the beneficial effects of this application are:
1. according to the invention, through screening of the barite particles in the inner rotary screen cylinder, the outer rotary screen cylinder and the flotation bin body in sequence, coarse particles, magnetic impurities and other impurities in the barite particles are removed, so that precise screening of silicon dioxide is realized, and screening quality is improved.
2. According to the invention, through the vibration dispersion of the vibrating plate on the barite particles and the limitation of the stacking height of the barite particles by uniformly paving the plates, the barite particles are uniformly paved at the bottom of the inner rotary screen cylinder, so that the rapid coarse screening of the barite particles by the inner screening screen cylinder is realized, and the screening efficiency is improved.
3. According to the invention, through the continuous rotation of the outer rotary screen drum and the magnetic force control of the start-stop controller on the magnetic separation electromagnet, the magnetic separation electromagnet is promoted to adsorb magnetic impurities before passing through the material pocket, the magnetic impurities are promoted to fall into the material pocket after being demagnetized after passing through the upper part of the material pocket, and the magnetic force is recovered after passing through the material pocket to continuously adsorb the magnetic impurities, so that the removal of the magnetic impurities in the barite particles is realized, the barite particles are further screened, and the screening effect is improved.
4. According to the invention, through the combination of the first sieve plate and the second sieve plate, the silicon dioxide is not mixed with other impurities, so that the silicon dioxide is collected, and the quality of the silicon dioxide is ensured.
Drawings
Fig. 1 is a schematic perspective view of a second stationary platen of a barite particle screening silica apparatus.
Fig. 2 is a schematic perspective view of a first stationary platen of a barite particle screening silica apparatus.
Fig. 3 is a partial perspective structural cross-sectional view of a first stationary platen orientation of a barite particle screening silica device.
Fig. 4 is a plan view of a first stationary platen orientation of a barite particle screening silica device.
Fig. 5 is a front view of a barite particle screening silica apparatus.
Fig. 6 is a cross-sectional view at A-A of fig. 5.
Fig. 7 is a perspective view of the structure at A-A of fig. 5.
Fig. 8 is an enlarged schematic view at B of fig. 6.
Fig. 9 is an enlarged schematic view at C of fig. 3.
Fig. 10 is an enlarged schematic view at D of fig. 3.
The reference numerals in the figures are: 1-a bracket; 11-a first fixed disk; 111-a feed inlet; 112-a discharge port; 12-a second fixed disk; 121-a rotating electric machine; 13-a flotation bin body; 131-an outlet; 132-a water inlet; 133-an additive port; 134-an air vent; 135-a water level sensor; 14-heating wires; 2-an inner rotary screen drum; 21-coarse mesh; 3-an outer rotary screen drum; 31-fine mesh; 4-a uniform screen assembly; 41-a support column; 411-vibrating plate; 42-a first slide rail; 43-a second slide rail; 431-evenly spreading; 44-vibration controller; 441-a first electromagnet; 442-a second electromagnet; 443-fixing plate; 4431-spring; 5-magnetic separation assembly; 51-magnetic separation electromagnet; 52-a material pocket; 53-start-stop controller; 531-open/close receiving sensor; 532—a first control sensor; 533-a second control sensor; 6-a flotation component; 61-a first screen panel; 62-a second screen panel; 63-a translation drive; 631-a guide rail; 6311-sliders; 632-connecting rod; 633-electric push rod; 64-stirrer.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-10, a barite particle screening silica device comprises a support 1, a first fixed disc 11 and a second fixed disc 12 are symmetrically arranged on the support 1, an inner rotary screen drum 2 and an outer rotary screen drum 3 are coaxially and rotatably arranged between the first fixed disc 11 and the second fixed disc 12, a screening cavity is formed between the inner rotary screen drum 2 and the outer rotary screen drum 3, a feed inlet 111 communicated with the inner rotary screen drum 2 and a discharge outlet 112 communicated with the screening cavity are respectively formed in the first fixed disc 11, a flotation bin body 13 is arranged on the support 1 and below the outer rotary screen drum 3, a discharge outlet 131 is formed in the bottom of the flotation bin body 13, a plurality of coarse screen holes 21 are formed in the surface of the inner rotary screen drum 2, a plurality of fine screen holes 31 are formed in the surface of the outer rotary screen drum 3, a uniform screen assembly 4, a magnetic separation assembly 5 and a flotation assembly 6 are formed in the inner rotary screen drum 2, the magnetic separation assembly 5 is arranged on the outer rotary screen drum 3, and the flotation assembly 6 is arranged in the bin body 13.
A rotating motor 121 for driving the inner rotary screen drum 2 and the outer rotary screen drum 3 to rotate simultaneously is arranged on the second fixed disc 12, and a heating wire 14 is arranged on the surface of the flotation bin body 13;
the barite particles are put into the inner rotary screen cylinder 2 through the feed inlet 111, the rotary motor 121 is started, the inner rotary screen cylinder 2 and the outer rotary screen cylinder 3 rotate together, the barite particles are uniformly paved at the bottom of the inner rotary screen cylinder 2 through the uniform screen assembly 4, the screening is prevented from being influenced by accumulation, coarse particles and impurities are removed by the inner rotary screen cylinder 2 through coarse screen holes 21, the screened barite particles fall into the outer rotary screen cylinder 3 along with the coarse particles, magnetic impurities in the barite particles are removed by the magnetic separation assembly 5 on the outer rotary screen cylinder 3, the barite particles are further screened by the outer rotary screen cylinder 3 through fine screen holes 31, the barite particles which are screened by the fine screen finally fall into the flotation bin 13, silicon dioxide is separated from other impurities through the flotation assembly 6, and separation is promoted by using a surfactant and gas bubbles.
Referring to fig. 1 to 9, the screen assembly 4 is provided with a support column 41 and a pair of vibrating plates 411, the support column 41 is coaxially and fixedly arranged between the first fixed disk 11 and the second fixed disk 12, the support column 41 is positioned right below the feed inlet 111, the pair of vibrating plates 411 are symmetrically arranged on two sides of the support column 41, a first sliding rail 42 and a second sliding rail 43 which are coaxially and fixedly connected with the first fixed disk 11 are respectively arranged below the support column 41, two ends of each vibrating plate 411 are respectively arranged on the first sliding rail 42 and the second sliding rail 43 in a sliding manner, a plurality of uniform paving plates 431 are arranged on the second sliding rail 43 at equal intervals along the edge direction of the second sliding rail, a distance for passing barite particles is reserved between each uniform paving plate 431 and the inner rotary screen drum 2, and a vibration controller 44 is arranged between the pair of vibrating plates 411.
When the even screen assembly 4 drives the entering barite particles to disperse in the inner rotary screen drum 2, the barite particles fall on a pair of vibrating plates 411, along with the start of the vibration controller 44, the vibrating plates 411 move along the first sliding rail 42 and the second sliding rail 43, so that the barite particles are promoted to disperse to two sides and fall on the bottom of the inner rotary screen drum 2, and in the rotating process of the inner rotary screen drum 2, the barite particles are dispersed after passing through the even plate 431, the phenomenon that the barite particles directly fall to be accumulated is avoided, and the coarse screen effect of the inner rotary screen drum 2 on the barite particles is effectively improved.
Referring to fig. 1-10, the magnetic separation assembly 5 is provided with a plurality of magnetic separation electromagnets 51 which are arranged on the outer wall of the outer rotary screen cylinder 3 and uniformly distributed along the circumferential direction of the outer rotary screen cylinder, a material pocket 52 for magnetic impurities to take advantage of and put is arranged between the outer rotary screen cylinder 3 and the inner rotary screen cylinder 2, the material pocket 52 is fixed between the first fixed disc 11 and the second fixed disc 12, and the first fixed disc 11 is provided with a start-stop controller 53 which is matched with the magnetic separation electromagnets 51.
In the magnetic impurity removal process in the barite particles of the magnetic separation assembly 5, the magnetic impurities are adsorbed on the magnetic separation electromagnet 51, the magnetic impurities are transported to the upper part of the material pocket 52 along with the rotation of the outer rotary screen drum 3, the start-stop controller 53 closes the power of the magnetic separation electromagnet 51 at the moment, the magnetic separation electromagnet 51 loses magnetic force, the magnetic impurities fall on the material pocket 52, the magnetic separation electromagnet 51 is caused to pass through the material pocket 52 along with the rotation of the outer rotary screen drum 3, and the start-stop controller 53 opens the power of the magnetic separation electromagnet 51, so that the magnetic separation electromagnet 51 recovers magnetic force and continues to adsorb the magnetic impurities.
Referring to fig. 3, 6 and 7, water adding ports 132 and agent adding ports 133 are respectively formed at two sides of the upper half of the flotation bin body 13, and air introducing ports 134 are formed at two sides of the lower half of the flotation bin body 13.
The floatation bin body 13 is internally provided with a stirrer 64;
after the fine screened barite particles fall into the flotation bin body 13, water is injected into the flotation bin body 13 through the water adding port 132, the surfactant is added into the flotation bin body 13 through the agent adding port 133, the stirrer 64 is simultaneously used for stirring and mixing, and air is introduced through the air introducing port 134 to enable bubbles to be generated in the water, so that separation of silicon dioxide and other impurities is promoted, and finally the silicon dioxide floats on the water surface.
Referring to fig. 6, a water level sensor 135 is fixedly provided at the upper half of the flotation cell body 13 above the water filling port 132 and the reagent filling port 133.
When the water level in the flotation tank 13 is detected by the water level sensor 135, the water injection is stopped, keeping the water level from contacting the outer rotating screen drum 3.
Referring to fig. 3, fig. 4, fig. 6 and fig. 7, the flotation module 6 is provided with a first screen plate 61 and a second screen plate 62, the first screen plate 61 and the second screen plate 62 are symmetrically arranged on two sides of the upper half part of the flotation bin 13, the first screen plate 61 and the second screen plate 62 are all located below the water level sensor 135, the first screen plate 61 and the second screen plate 62 can horizontally move on the flotation bin 13, the flotation bin 13 is provided with notches for the first screen plate 61 and the second screen plate 62 to horizontally move, and the outside of the flotation bin 13 is provided with a translation driver 63 corresponding to the positions of the first screen plate 61 and the second screen plate 62.
When the first screen plate 61 and the second screen plate 62 are butted together, the first screen plate 61 and the second screen plate 62 are combined to form a complete screen plate shape in the flotation bin body 13, at the moment, the water and other impurities are discharged through the discharge outlet 131 on the flotation bin body 13, the silicon dioxide falls on the first screen plate 61 and the second screen plate 62, the silicon dioxide is prevented from being discharged together, the silicon dioxide is effectively collected, and in the mixing process of barite particles and water, the first screen plate 61 and the second screen plate 62 are in a mutually-far-away state, so that the silicon dioxide can float on the water surface, and the other impurities sink on the water surface.
Referring to fig. 3 and 8, the vibration controller 44 is provided with a first electromagnet 441 and a second electromagnet 442, the first electromagnet 441 is disposed between two vibration plates 411 and is fixedly connected with the first fixed disk 11, the second electromagnet 442 is provided with a pair of second electromagnets 442 and is fixedly connected with one vibration plate 411, the second electromagnet 442 is located on the vibration plate 411 at a position matched with the first electromagnet 441, a fixed plate 443 fixedly connected with the first fixed disk 11 is disposed between the first slide rail 42 and the second slide rail 43 at a position corresponding to each vibration plate 411, and a spring 4431 is fixedly connected between each vibration plate 411 and the corresponding fixed plate 443.
When the vibration controller 44 is started, the first electromagnet 441 and the second electromagnet 442 are simultaneously energized, the vibration plate 411 is driven to swing inwards according to the principle of opposite attraction, the spring 4431 is in a compressed state, and as the first electromagnet 441 and the second electromagnet 442 are de-energized, the spring 4431 returns to a normal state, the vibration plate 411 is ejected outwards to an original position, and the vibration effect of the vibration plate 411 on the barite particles is effectively achieved through the cooperation of the energization and the de-energization between the first electromagnet 441 and the second electromagnet 442.
Referring to fig. 2, 3, 9 and 10, the start-stop controller 53 is provided with an open-close receiving sensor 531 mounted on each magnetic separation electromagnet 51, the start-stop controller 53 is further provided with a first control sensor 532 and a second control sensor 533, the first control sensor 532 is disposed on one side of the first fixed disk 11 and above the pocket 52, the second control sensor 533 is disposed on the same side of the first fixed disk 11 as the first control sensor 532 and below the pocket 52, and the first control sensor 532 and the second control sensor 533 are both located on the first fixed disk 11 at positions that can correspond to each open-close receiving sensor 531.
When the open-close receiving sensor 531 on the magnetic separation electromagnet 51 passes through the first control sensor 532, the magnetic separation electromagnet 51 is in a power-off state, and when the open-close receiving sensor 531 on the magnetic separation electromagnet 51 passes through the second control sensor 533, the magnetic separation electromagnet 51 is in a power-on state, so that the effect of the magnetic separation electromagnet 51 on magnetic impurity adsorption and removal is effectively achieved.
Referring to fig. 3, 4 and 6, the translation driver 63 is provided with a guide rail 631 and a connecting rod 632, the guide rail 631 is fixedly installed at the outer side of the flotation bin 13, the length direction of the guide rail 631 is perpendicular to the length direction of the first screen plate 61, a sliding block 6311 is slidably arranged on the guide rail 631, two ends of the connecting rod 632 are respectively connected with the sliding block 6311 and the first screen plate 61 in a rotating manner, and an electric push rod 633 for pushing the connecting rod 632 is arranged on the bracket 1.
When each translation driver 63 drives the corresponding first screen plate 61 and second screen plate 62 simultaneously, the electric push rod 633 pushes the connecting rod 632 to move, the sliding block 6311 connected with the connecting rod 632 vertically moves along the guide rail 631, and the end part connected with the connecting rod 632 and the first screen plate 61 or the second screen plate 62 is caused to horizontally move, so that the translation of the first screen plate 61 and the second screen plate 62 is realized.
A method for sorting barite microparticle screened silica, comprising the steps of:
s1, putting barite particles into an inner rotary screen cylinder 2 through a feed port 111;
s2, starting a rotary motor 121 to drive the inner rotary screen cylinder 2 and the outer rotary screen cylinder 3 to synchronously rotate, and carrying out coarse screening and fine screening on the heavy crystal particles;
s3, uniformly spreading the barite particles in the inner rotary screen drum 2 through a uniform screen assembly 4 to remove coarse particles and impurities;
s4, removing magnetic impurities in the barite particles through a magnetic separation assembly 5;
s5, separating the silicon dioxide from other impurities through a flotation component 6.
According to the invention, through screening of the barite particles in the inner rotary screen cylinder 2, the outer rotary screen cylinder 3 and the flotation bin body 13 in sequence, coarse particles, magnetic impurities and other impurities in the barite particles are removed, and the screening quality is improved.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The utility model provides a barite particle screening silica device, including support (1), the symmetry is equipped with first fixed disk (11) and second fixed disk (12) on support (1), coaxial and rotation between first fixed disk (11) and second fixed disk (12) are equipped with interior rotatory sieve section of thick bamboo (2) and outer rotatory sieve section of thick bamboo (3), form the screening chamber between interior rotatory sieve section of thick bamboo (2) and the outer rotatory sieve section of thick bamboo (3), feed inlet (111) with interior rotatory sieve section of thick bamboo (2) intercommunication and discharge gate (112) with the screening chamber intercommunication have been seted up respectively on first fixed disk (11), on support (1) and be located the below of outer rotatory sieve section of thick bamboo (3) and be equipped with flotation storehouse body (13), discharge port (131) have been seted up to the bottom of flotation storehouse body (13), a plurality of coarse screening hole (21) have been seted up on the surface of outer rotatory sieve section of thick bamboo (3), a plurality of fine screening hole (31) have still been seted up on the surface of outer rotatory sieve section of thick bamboo (3), screening device still includes sieve subassembly (4), magnetic separation subassembly (5) and flotation subassembly (6), even sieve subassembly (6) are set up in interior rotatory sieve section of thick bamboo (3) (6), in flotation subassembly (6).
2. The barite particle screening silica device according to claim 1, wherein the screen homogenizing component (4) is provided with a supporting column (41) and a pair of vibrating plates (411), the supporting column (41) is coaxial and fixedly arranged between the first fixed disc (11) and the second fixed disc (12), the supporting column (41) is located under the feed inlet (111), the vibrating plates (411) are symmetrically arranged on two sides of the supporting column (41), a first sliding rail (42) and a second sliding rail (43) which are coaxial and fixedly connected with the first fixed disc (11) are respectively arranged below the supporting column (41), two ends of each vibrating plate (411) are respectively arranged on the first sliding rail (42) and the second sliding rail (43) in a sliding mode, a plurality of leveling plates (431) are arranged on the second sliding rail (43) at equal intervals along the edge direction of the second sliding rail, a distance for passing barite particles is reserved between each leveling plate (431) and the inner rotating screen cylinder (2), and a controller (44) is arranged between the vibrating plates (411).
3. The barite microparticle screening silica device according to claim 1, wherein the magnetic separation assembly (5) is provided with a plurality of magnetic separation electromagnets (51) which are installed on the outer wall of the outer rotary screen cylinder (3) and are uniformly distributed along the circumferential direction of the outer rotary screen cylinder, a material pocket (52) for magnetic impurities to take and put is arranged between the outer rotary screen cylinder (3) and the inner rotary screen cylinder (2), the material pocket (52) is fixed between the first fixed disc (11) and the second fixed disc (12), and a start-stop controller (53) matched with the magnetic separation electromagnets (51) is arranged on the first fixed disc (11).
4. The barite microparticle screening silica device according to claim 1, wherein water adding ports (132) and agent adding ports (133) are respectively formed on two sides of the upper half part of the flotation bin body (13), and air introducing ports (134) are formed on two sides of the lower half part of the flotation bin body (13).
5. The barite microparticle screening silica device according to claim 4, wherein a water level sensor (135) is fixedly arranged on the upper half part of the flotation bin body (13) and above the water adding port (132) and the agent adding port (133).
6. The barite microparticle screening silica device according to claim 1, wherein the flotation component (6) is provided with a first screen plate (61) and a second screen plate (62), the first screen plate (61) and the second screen plate (62) are symmetrically arranged on two sides of the upper half part of the flotation bin body (13), the first screen plate (61) and the second screen plate (62) are both positioned below the water level sensor (135), the first screen plate (61) and the second screen plate (62) can horizontally move on the flotation bin body (13), the flotation bin body (13) is provided with a notch for the first screen plate (61) and the second screen plate (62) to horizontally move, and the outer side of the flotation bin body (13) is provided with a translation driver (63) corresponding to the positions of the first screen plate (61) and the second screen plate (62).
7. The barite microparticle screening silica device according to claim 2, wherein the vibration controller (44) is provided with a first electromagnet (441) and a second electromagnet (442), the first electromagnet (441) is arranged between two vibration plates (411) and is fixedly connected with the first fixing plate (11), the second electromagnet (442) is provided with a pair of second electromagnets (442) and is fixedly connected with one vibration plate (411), the second electromagnet (442) is positioned on the vibration plate (411) at a position matched with the first electromagnet (441), a fixing plate (443) fixedly connected with the first fixing plate (11) is arranged between the first sliding rail (42) and the second sliding rail (43) at a position corresponding to each vibration plate (411), and a spring (4431) is fixedly connected between each vibration plate (411) and the corresponding fixing plate (443).
8. A barite particulate screening silica device according to claim 3, characterized in that the start-stop controller (53) is provided with an open-close receiving sensor (531) mounted on each magnetic separation electromagnet (51), the start-stop controller (53) is further provided with a first control sensor (532) and a second control sensor (533), the first control sensor (532) is provided on one side of the first fixed disk (11) above the pocket (52), the second control sensor (533) is provided on the same side of the first fixed disk (11) as the first control sensor (532) below the pocket (52), and both the first control sensor (532) and the second control sensor (533) are provided on the first fixed disk (11) at positions which can correspond to each open-close receiving sensor (531).
9. The barite microparticle screening silica device according to claim 6, wherein the translation driver (63) is provided with a guide rail (631) and a connecting rod (632), the guide rail (631) is fixedly installed on the outer side of the flotation bin body (13), the length direction of the guide rail (631) is perpendicular to the length direction of the first screen plate (61), the guide rail (631) is provided with a sliding block (6311) in a sliding manner, two ends of the connecting rod (632) are respectively connected with the sliding block (6311) and the first screen plate (61) in a rotating manner, and the bracket (1) is provided with an electric push rod (633) for pushing the connecting rod (632).
10. A method for sorting barite microparticle screened silica, applied to a barite microparticle screened silica device according to any one of claims 1 to 9, comprising the steps of:
s1, putting barite particles into an inner rotary screen cylinder (2) through a feed inlet (111);
s2, starting a rotary motor (121) to drive the inner rotary screen cylinder (2) and the outer rotary screen cylinder (3) to synchronously rotate, and carrying out coarse screening and fine screening on heavy crystal particles;
s3, uniformly spreading the barite particles in an inner rotary screen drum (2) through a uniform screen assembly (4) to remove coarse particles and impurities;
s4, removing magnetic impurities in the barite particles through a magnetic separation assembly (5);
s5, separating the silicon dioxide from other impurities through a flotation component (6).
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