CN111620346A - Manufacturing process of high-purity nano zirconium silicate - Google Patents
Manufacturing process of high-purity nano zirconium silicate Download PDFInfo
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- CN111620346A CN111620346A CN202010498868.4A CN202010498868A CN111620346A CN 111620346 A CN111620346 A CN 111620346A CN 202010498868 A CN202010498868 A CN 202010498868A CN 111620346 A CN111620346 A CN 111620346A
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- zirconium silicate
- nano zirconium
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- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000002270 dispersing agent Substances 0.000 claims abstract description 45
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 40
- 238000000227 grinding Methods 0.000 claims abstract description 29
- 238000000502 dialysis Methods 0.000 claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000012216 screening Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000009792 diffusion process Methods 0.000 claims description 56
- 238000007873 sieving Methods 0.000 claims description 20
- 238000005554 pickling Methods 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 17
- 238000003801 milling Methods 0.000 claims description 16
- 150000001450 anions Chemical class 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 14
- 230000004087 circulation Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000004537 pulping Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 15
- 239000000919 ceramic Substances 0.000 description 10
- -1 iron ion Chemical class 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000007664 blowing Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007962 solid dispersion Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a process for preparing high-purity nano zirconium silicate, which belongs to the technical field of zirconium silicate preparation, and comprises the steps of carrying out primary grinding, secondary grinding and tertiary grinding on a zircon sand raw material, and carrying out screening treatment step by step through a screening mechanism, so that the grinding fineness of the raw material is improved, non-screened powder particles are not blocked and retained on the screening mechanism, the operation of technical personnel is easy, meanwhile, a moderate solid dispersing agent is sprayed in the grinding process of the raw material, the zircon sand raw material is mixed with the solid dispersing agent when being ground, the solid dispersing effect is good, the particle agglomeration is effectively avoided, the zircon powder with the particle fineness of less than 1.0um is obtained, most iron impurities in the raw material are removed through acid cleaning dialysis and centrifugal water washing, and finally, the dried powder is subjected to iron remover to remove residual iron in the nano zirconium silicate powder, thus obtaining the high-purity nano zirconium silicate.
Description
Technical Field
The invention relates to the technical field of zirconium silicate manufacturing, in particular to a manufacturing process of high-purity nano zirconium silicate.
Background
The chemical stability of zirconium silicate is a high-quality and low-cost opacifier, and can be extensively used in the production of various building ceramics, sanitary ceramics, domestic ceramics and first-class handicraft ceramics, etc., and in the production of ceramic glaze material, its application range is extensive and application quantity is large. The zirconium silicate can be widely applied to ceramic production, and is not influenced by the firing atmosphere of the ceramic due to good chemical stability, and can obviously improve the blank glaze bonding performance of the ceramic and improve the hardness of the ceramic glaze. Zirconium silicate has also found further application in the production of color picture tubes in the television industry, emulsified glass in the glass industry, and enamel glaze.
The high-purity superfine zirconium silicate powder is widely applied to the industries of construction and sanitary ceramics, and plays roles in opacifying and whitening a blank body. In the prior manufacturing process for producing zirconium silicate, the raw material zircon sand is simply washed by water after being ground, and meanwhile, the washed slurry is simply settled, and the sediment containing a large amount of moisture directly enters a drying procedure. The raw materials contain iron impurities after being ground, and if precipitates obtained by simple sedimentation are directly dried, the iron impurities still remain in the product, so that the product has insufficient purity and whiteness; in addition, if the zircon sand is not sufficiently ground, the zircon sand is poor in a solid dispersion state, and particle agglomeration is caused, so that the classification effect is poor.
Therefore, a manufacturing process of high-purity nano zirconium silicate is provided to effectively improve the purification effect of zirconium silicate in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a process for manufacturing high-purity nano zirconium silicate.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A manufacturing process of high-purity nano zirconium silicate comprises the following specific manufacturing processes:
s1, selecting 3-6g/cc natural zircon sand as a raw material, and screening and selecting 4-5g/cc natural zircon sand for later use;
s2, placing the zircon sand selected in the S1 into a pulverizer to perform primary grinding, secondary grinding and tertiary grinding, screening by a screening mechanism step by step, and adding a solid dispersing agent in the zircon sand grinding process to obtain zircon powder with the particle fineness of less than 1.0 um;
s3, placing the slurry obtained by pulping the zircon powder into a pickling box, removing iron impurities in the zircon slurry by using hydrochloric acid, and washing and centrifuging by using a centrifuge to obtain slurry precipitate;
s4, drying the slurry precipitate to obtain nano zirconium silicate powder, and removing residual iron in the nano zirconium silicate powder by using an iron remover to obtain the high-purity nano zirconium silicate.
Further, the external fixation of milling machine inlays and is equipped with the shell in S2, the top portion of milling machine is equipped with the feeder hopper, the bottom portion of milling machine sets up out the hopper, the inside rotation meshing of milling machine is connected with the grinding roller group, the upper end fixed mounting of shell inlays and locates the inboard dispersant diffusion mechanism in milling machine upper end, through dispersant diffusion mechanism to the inside injection solid-state dispersion of milling machine, the zircon sand raw materials sneakes into solid-state dispersion when being ground, and solid-state dispersion is effectual, effectively avoids causing the granule to reunite.
Further, dispersant diffusion mechanism is including inlaying the dispersant diffusion case of establishing and installing on the milling machine lateral wall, the bottom portion of dispersant diffusion case extends to inside the milling machine, a plurality of diffusion holes have been seted up on the bottom lateral wall of dispersant diffusion case, fixed mounting has the air-blower on the upper end lateral wall of shell, the air-blower is connected with the inner wall of dispersant diffusion case through the blast pipe, and the dispersant diffusion case is divided into the feeder hopper of upper end and is located the diffusion fill of lower extreme, and the diffusion hole sets up on the diffusion fill, through the leading-in appropriate amount solid state dispersant of feeder hopper, through the blast action of air-blower, realizes leading-in to the milling machine in a plurality of diffusion holes to the solid state dispersant who falls to realize that solid state dispersant mixes with the zircon sand raw materials.
Further, the mechanism of sieving is located out the hopper below, the upper end both sides of shell are all installed and are carried out traction drive's traction vibration mechanism to the mechanism of sieving, the mechanism of sieving is including being located the sieve of the hopper below of crossing, the middle part position department of crossing the sieve inlays to establish and installs the screen cloth, cross both ends fixedly connected with baffle around the sieve, fixed mounting has the otic placode pivot of being connected with shell inner wall rotation on the baffle, and the equal fixedly connected with otic placode in the left and right sides upper end of two baffles, controls the traction vibration mechanism of distribution and realizes driving the left and right elevating movement of the board that sieves, and the powder that falls through going out the hopper filters through the screen cloth, and the powder of qualified particle diameter is through the screen cloth screening, and the powder granule that fails to see through the screen cloth then falls from both ends about in the in-process of rocking about the.
Further, traction vibration mechanism includes through the carry over pinch rolls of support frame fixed mounting on the shell upper end lateral wall, set up on the lateral wall of carry over pinch rolls two with a pair of otic placode position correspond around establishing the groove, around establishing the inslot around establishing and being connected with the haulage rope, shell and fixed connection are run through on the otic placode to the bottom of haulage rope, fixed mounting has the motor that carries out the drive to the carry over pinch rolls on the support frame, thereby drives the otic placode through the haulage rope and moves when the motor drives the carry over pinch rolls and rotates, two motor reverse motions that pull on the vibration mechanism to the screen interval elevating movement that distributes about the realization.
Further, the powder loading case that corresponds with the sieve screen position is placed to the bottom of shell, run through on the both sides lateral wall of shell and inlay and be equipped with the deflector, the both sides outer end of shell has all been placed and has been met workbin with deflector position assorted circulation, and the powder loading case is collected the qualified powder of particle diameter after permeating through the sieve screen and sieving, and the powder granule that fails to see through the screen cloth then in the process of rocking about the sieve plate from the leading-in to circulation that meets the workbin of rethread deflector after both ends fall down, and the circulation meets the powder granule in the workbin and needs the tertiary fineness of second grade to grind to obtain the zircon powder that the granule reaches and is less than 1.0um, can not cause the powder granule that does not select to block on the sieve screen.
Further, fixed mounting has anion homogeneous phase membrane in the pickling case among S3, anion homogeneous phase membrane separates into dialysis chamber and diffusion chamber with the pickling incasement portion, install rabbling mechanism in the dialysis chamber, anion homogeneous phase membrane is provided with the multiunit, through the dialysis principle, comes the separation to get rid of the iron ion.
Furthermore, install thick liquid feed liquor pipe and accept liquid feed liquor pipe respectively on the lateral wall of dialysis room and diffusion chamber, accept the liquid and select the running water for use, the lateral wall fixedly connected with of diffusion chamber has the discharge pipe that is connected with centrifuge, and installs the pump on the discharge pipe, and the concentration of thick liquid is far higher than one side of running water, according to diffusion dialysis principle, because the existence of concentration gradient, thick liquid to diffusion chamber infiltration, but the membrane has the selective permeability to anion, and iron ion is obstructed in the dialysis room, and the iron ion entrapment rate is more than 85%.
Further, rabbling mechanism includes the fixed plate of fixed connection in pickling case upper end lateral wall, the top fixedly connected with rotating electrical machines of fixed plate, fixed plate and fixedly connected with stirring rake are run through to rotating electrical machines's drive end, and in the stirring rake extended to the dialysis chamber, the rabbling mechanism was favorable to improving the dialysis effect.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through carrying out the one-level to zircon sand raw materials and grinding, the second grade is ground, tertiary grinding and sieve the processing through the mechanism step by step, improve the fineness of grind of raw materials, simultaneously at the in-process to raw materials grinding sprays moderate solid state dispersant, zircon sand raw materials sneak into solid state dispersant when being ground, solid state dispersion is effectual, effectively avoid causing the granule to reunite, pass through the pickling dialysis after obtaining the zircon powder that the fineness reaches and is less than 1.0um, most iron impurity in the raw materials is got rid of in the centrifugal washing, utilize the de-ironing separator to get rid of the residual iron in the nanometer zirconium silicate powder to the powder of drying at last, obtain high-purity nanometer zirconium silicate.
(2) The dispersing agent diffusion mechanism comprises a dispersing agent diffusion box and an air blower, wherein the dispersing agent diffusion box is connected with the air blower in a matched mode, the dispersing agent diffusion box is divided into a feed hopper at the upper end and a diffusion hopper at the lower end, diffusion holes are formed in the diffusion hopper, a proper amount of solid dispersing agent is introduced through the feed hopper, and the falling solid dispersing agent is uniformly introduced into the pulverizer from a plurality of diffusion holes under the blowing action of the air blower, so that the solid dispersing agent and zircon sand raw materials are mixed.
(3) The traction vibration mechanism who distributes about realizes driving the left and right elevating movement of sieve plate, the powder that falls through going out the hopper filters through passing through the screen cloth, the powder of qualified particle diameter falls into to the powder loading incasement through the sieve screening selection, and the powder granule that fails to see through the screen cloth then falls down from both ends about the in-process that rocks about the sieve plate, and along with the deflector leading-in to circulation material receiving box, the powder granule in the circulation material receiving box needs the second grade tertiary to grind, reach the zircon powder that is less than 1.0um with the granule fineness of obtainment, the powder granule that can not cause not screening blocks on the sieve net.
(4) Fixed mounting has anion homogeneous phase membrane in the pickling case, and anion homogeneous phase membrane separates into dialysis chamber and diffusion chamber with the pickling incasement portion, installs the rabbling mechanism in the dialysis chamber, and anion homogeneous phase membrane is provided with the multiunit, through the dialysis principle, comes the iron ion separation to get rid of, and the rabbling mechanism is favorable to improving the dialysis effect.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the interior of the mill of the present invention;
FIG. 3 is an external perspective view of the mill of the present invention;
fig. 4 is a perspective view of the screening mechanism of the present invention;
FIG. 5 is a perspective view of the dispersant diffusion mechanism of the present invention;
FIG. 6 is a perspective view of the pickling tank of the present invention.
The reference numbers in the figures illustrate:
1 pulverizer, 101 feed hopper, 102 discharge port, 2 shell, 3 grinding roller group, 4 sieving mechanism, 401 sieving plate, 402 sieving plate, 403 baffle, 404 rotating shaft, 405 ear plate, 5 traction vibration mechanism, 501 traction roller, 502 traction rope, 6 dispersing agent diffusion box, 7 blower, 8 guide plate, 9 pickling box, 10 anion homogeneous membrane, 11 fixed plate, 12 rotating motor and 13 stirring paddle.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a manufacturing process of high-purity nano zirconium silicate includes the following steps:
s1, selecting 3-6g/cc natural zircon sand as a raw material, and screening and selecting 4-5g/cc natural zircon sand for later use;
s2, placing the zircon sand selected in the S1 into a pulverizer 1, carrying out primary grinding, secondary grinding and tertiary grinding, screening by a screening mechanism 4 step by step, and adding a solid dispersing agent in the zircon sand grinding process to obtain zircon powder with the particle fineness of less than 1.0 um;
s3, placing the slurry obtained by pulping the zircon powder into a pickling tank 9, removing iron impurities in the zircon slurry by using hydrochloric acid, and washing and centrifuging by using a centrifuge to obtain slurry precipitate;
s4, drying the slurry precipitate to obtain nano zirconium silicate powder, and removing residual iron in the nano zirconium silicate powder by using an iron remover to obtain the high-purity nano zirconium silicate.
Referring to fig. 2-3, in S2, a housing 2 is fixedly embedded outside a mill 1, a top end portion of the mill 1 is provided with a feed hopper 101, a bottom end portion of the mill 1 is provided with a discharge hopper 102, an inner portion of the mill 1 is rotatably engaged with a grinding roller set 3, the grinding roller set 3 moves in opposite engagement, which is the prior art, and will not be described herein, and grinds zircon sand passing through a grinding zone thereof, and simultaneously, outer walls of two sides of the grinding roller set 3 are engaged with an inner wall of the mill 1, so as to grind zircon sand falling on an edge side of the mill 1, a dispersing mechanism embedded inside an upper end of the mill 1 is fixedly installed at an upper end of the housing 2, and a solid dispersing agent is sprayed inside the mill 1 through the dispersing mechanism, and a zircon sand raw material is mixed with the solid dispersing agent when being ground, so that the solid dispersing effect is good, and agglomeration of particles is effectively avoided, the solid dispersant can be selected from those commonly used in the market, and will not be described in detail herein.
Referring to fig. 2 and 5, in detail, the dispersing agent diffusion mechanism includes a dispersing agent diffusion box 6 mounted on the outer side wall of the pulverizer 1 in an embedded manner, the bottom end of the dispersing agent diffusion box 6 extends into the pulverizer 1, a plurality of diffusion holes are formed on the bottom side wall of the dispersing agent diffusion box 6, an air blower 7 is fixedly mounted on the upper end side wall of the housing 2, the air blower 7 is connected with the inner wall of the dispersing agent diffusion box 6 through an air blowing pipe, the dispersing agent diffusion box 6 is divided into a feeding hopper at the upper end and a diffusion hopper at the lower end, the diffusion holes are formed in the diffusion hopper, the joint of the feeding hopper and the diffusion hopper is a bent portion, the air blowing pipe is mounted at, and a proper amount of solid dispersing agent is introduced through the feed hopper, and the falling solid dispersing agent is introduced into the pulverizer 1 from a plurality of diffusion holes through the blowing action of the blower 7, so that the solid dispersing agent and the zircon sand raw material are mixed.
Referring to fig. 2-3, the sieving mechanism 4 is located below the discharge hopper 102, the two sides of the upper end of the housing 2 are respectively provided with a traction vibration mechanism 5 for driving the sieving mechanism 4, the sieving mechanism 4 comprises a sieving plate 401 located below the discharge hopper 102, a sieving screen 402 is embedded in the middle of the sieving plate 401, the front end and the rear end of the sieving plate 401 are fixedly connected with a baffle 403, the baffle 403 is fixedly provided with a lug rotating shaft 404 rotatably connected with the inner wall of the housing 2, the upper ends of the left side and the right side of the two baffles 403 are respectively fixedly connected with lug plates 405, the traction vibration mechanisms 5 distributed left and right drive the sieving plate 401 to move up and down left and right, the powder falling from the discharge hopper 102 is filtered by the sieving screen 402, the powder with qualified particle size is sieved by the sieving screen 402, while the powder particles which can not pass through the sieving screen 402 fall from the left end and the right end in the process of the, so as to carry out the subsequent secondary and tertiary grinding processes.
And traction vibration mechanism 5 includes through support frame fixed mounting in the carry over pinch rolls 501 on the 2 upper end lateral walls of shell, set up on the lateral wall of carry over pinch rolls 501 two with a pair of otic placode 405 position correspond around establishing the groove, around establishing the inslot around establishing and being connected with haulage rope 502, shell 2 and fixed connection are run through on otic placode 405 to the bottom of haulage rope 502, fixed mounting has the motor that carries out the drive to carry out on the support frame to carry out the carry out on carry out the drive to carry out the motor to carry out the motion through haulage rope 502 when motor drive carry out the carry out on the rotation of carry over pinch rolls 501, two motor reverse motions on traction vibration mechanism 5, thereby realize the sieve screen 402 interval elevating movement of controlling the distribution, so that the realization is located the otic plac.
The powder that corresponds with crossing screen cloth 402 position is placed to the bottom of shell 2 and is loaded the case, run through on the both sides lateral wall of shell 2 and inlay and be equipped with deflector 8, the both sides outer end of shell 2 has all been placed and has been met workbin with 8 position assorted circulations, the powder is loaded the case and is collected the qualified powder of particle diameter after passing through screen cloth 402 and sieving, and the powder granule that fails to see through screen cloth 402 then rocks about the screen cloth 401 in-process from controlling both ends and drop back rethread deflector 8 leading-in to the circulation and meet the workbin, the powder granule that the circulation meets in the workbin need carry out the second grade, tertiary grinding, in order to obtain the granule fineness and reach the zircon powder that is less than 1.0um, the powder granule that can not cause to select blocks on passing through screen cloth.
Referring to fig. 6, in S3, an anion homogeneous membrane 10 is fixedly installed in a pickling tank 9, the anion homogeneous membrane 10 divides the inside of the pickling tank 9 into a dialysis chamber and a diffusion chamber, a stirring mechanism is installed in the dialysis chamber, a plurality of groups of anion homogeneous membranes 10 are provided, the iron ions are separated and removed by dialysis principle, the outer side walls of the dialysis chamber and the diffusion chamber are respectively provided with a slurry inlet pipe and a receiving liquid inlet pipe, the receiving liquid is tap water, the outer side wall of the diffusion chamber is fixedly connected with a discharge pipe connected with a centrifuge, and the discharge pipe is provided with a pump, the concentration of the slurry is far higher than one side of the tap water, according to the diffusion dialysis principle, due to the concentration gradient, the slurry permeates into the diffusion chamber, but the membrane has selective permeability to anions, iron ions which are cations are blocked in the dialysis chamber, and the iron ion retention rate is more than 85%.
Most of iron is removed in the acid washing process, and the subsequent process is matched with an iron remover to remove residual iron in the nano zirconium silicate powder, so that the high-purity nano zirconium silicate is obtained, and the purification operation is effectively realized.
In addition, it is supplementary to need here, sets up the rabbling mechanism in dialysis room department, and the rabbling mechanism includes fixed plate 11 of fixed connection in pickling tank 9 upper end lateral wall, and the top fixedly connected with rotating electrical machines 12 of fixed plate 11, and the drive end of rotating electrical machines 12 runs through fixed plate 11 and fixedly connected with stirring rake 13, and stirring rake 13 extends to in the dialysis room, and the rabbling mechanism is favorable to improving the dialysis effect.
The components present in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A manufacturing process of high-purity nano zirconium silicate is characterized by comprising the following steps: the specific manufacturing process is as follows:
s1, selecting 3-6g/cc natural zircon sand as a raw material, and screening and selecting 4-5g/cc natural zircon sand for later use;
s2, placing the zircon sand selected in the S1 into a pulverizer (1) for primary grinding, secondary grinding and tertiary grinding, screening by a screening mechanism (4) step by step, and adding a solid dispersing agent in the zircon sand grinding process to obtain zircon powder with the particle fineness of less than 1.0 um;
s3, placing the slurry obtained by pulping the zircon powder into a pickling tank (9), removing iron impurities in the zircon slurry by hydrochloric acid, and washing and centrifuging by a centrifuge to obtain slurry precipitate;
s4, drying the slurry precipitate to obtain nano zirconium silicate powder, and removing residual iron in the nano zirconium silicate powder by using an iron remover to obtain the high-purity nano zirconium silicate.
2. The manufacturing process of high-purity nano zirconium silicate according to claim 1, characterized in that: the external fixation of milling machine (1) inlays and is equipped with shell (2) in S2, the top portion of milling machine (1) is equipped with feeder hopper (101), the bottom portion of milling machine (1) sets up out hopper (102), the inside rotation meshing of milling machine (1) is connected with grinding roller set (3), the upper end fixed mounting of shell (2) inlays and locates milling machine (1) upper end inboard dispersant diffusion mechanism.
3. The manufacturing process of high-purity nano zirconium silicate according to claim 2, characterized in that: dispersant diffusion mechanism is including inlaying dispersant diffusion case (6) of establishing and installing on milling machine (1) lateral wall, the bottom portion of dispersant diffusion case (6) extends to milling machine (1) inside, a plurality of diffusion holes have been seted up on the bottom lateral wall of dispersant diffusion case (6), fixed mounting has air-blower (7) on the upper end lateral wall of shell (2), air-blower (7) are connected with the inner wall of dispersant diffusion case (6) through the blast pipe.
4. The manufacturing process of high-purity nano zirconium silicate according to claim 3, characterized in that: sieve mechanism (4) and be located out hopper (102) below, the upper end both sides of shell (2) are all installed and are carried out traction drive's traction vibration mechanism (5) to sieving mechanism (4), sieve mechanism (4) including being located sieve (401) of crossing of hopper (102) below, the middle part position department of crossing sieve (401) inlays and establishes and installs screen cloth (402), cross both ends fixedly connected with baffle (403) around sieve (401), fixed mounting has otic placode pivot (404) of being connected with shell (2) inner wall rotation on baffle (403), and the equal fixedly connected with otic placode (405) in the left and right sides upper end of two baffle (403).
5. The manufacturing process of high-purity nano zirconium silicate according to claim 4, characterized in that: traction vibration mechanism (5) include through carry over pinch rolls (501) of support frame fixed mounting on shell (2) upper end lateral wall, set up on the lateral wall of carry over pinch rolls (501) two with a pair of otic placode (405) position correspond around establishing the groove, around establishing the inslot around establishing and being connected with haulage rope (502), the bottom of haulage rope (502) runs through shell (2) and fixed connection on otic placode (405), fixed mounting has the motor that carries out the drive to carry over pinch rolls (501) on the support frame.
6. The manufacturing process of high-purity nano zirconium silicate according to claim 4, characterized in that: the powder that corresponds with crossing screen cloth (402) position is placed to the bottom of shell (2) loads the case, run through on the both sides lateral wall of shell (2) and inlay and be equipped with deflector (8), the both sides outer end of shell (2) has all been placed and has been met the workbin with deflector (8) position assorted circulation.
7. The manufacturing process of high-purity nano zirconium silicate according to claim 1, characterized in that: fixed mounting has anion homogeneous phase membrane (10) in pickling case (9) among S3, anion homogeneous phase membrane (10) become dialysis chamber and diffusion chamber with pickling case (9) internal partitioning, install rabbling mechanism in the dialysis chamber.
8. The manufacturing process of high-purity nano zirconium silicate according to claim 7, characterized in that: the outer side walls of the dialysis chamber and the diffusion chamber are respectively provided with a slurry inlet pipe and a liquid receiving inlet pipe, the outer side wall of the diffusion chamber is fixedly connected with a discharge pipe connected with a centrifugal machine, and the discharge pipe is provided with a pump.
9. The manufacturing process of high-purity nano zirconium silicate according to claim 8, characterized in that: the rabbling mechanism includes fixed plate (11) of fixed connection in pickling case (9) upper end lateral wall, the top fixedly connected with rotating electrical machines (12) of fixed plate (11), the drive end of rotating electrical machines (12) runs through fixed plate (11) and fixedly connected with stirring rake (13), and stirring rake (13) extend to in the dialysis chamber.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976230A (en) * | 2021-11-18 | 2022-01-28 | 江苏脒诺甫纳米材料有限公司 | Fine processing technology and equipment for zircon sand |
| CN116443859A (en) * | 2023-03-10 | 2023-07-18 | 青岛科技大学 | Sigma phase catalyst and method for synthesizing single-walled carbon nanotubes with high selectivity |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722085A (en) * | 2008-10-15 | 2010-06-09 | 许兴康 | Grinding technology of high purity sub-nano level superfine zirconium silicate powder |
| CN202575999U (en) * | 2012-05-15 | 2012-12-05 | 山东神州锆业有限公司 | Device for washing and separating and concentrating zirconium silicate superfine powder |
| CN104162469A (en) * | 2014-09-03 | 2014-11-26 | 郑州维科重工机械有限公司 | Pendulum mill |
| CN105032578A (en) * | 2015-06-02 | 2015-11-11 | 唐山贺祥锆业有限公司 | Low-carbon and high-efficiency nanometer zirconium silicate manufacturing method and device |
| CN205462489U (en) * | 2016-01-23 | 2016-08-17 | 湖南省锐驰环保科技有限公司 | Flour mill |
| CN205868507U (en) * | 2016-08-12 | 2017-01-11 | 长兴宏业钙业有限公司 | Ore milling machine of crocus many times |
| CN207786693U (en) * | 2017-08-08 | 2018-08-31 | 南通利元亨机械有限公司 | Multistage breaks up flour mill |
| CN208098323U (en) * | 2018-02-08 | 2018-11-16 | 镇安县宝华矿业有限公司 | A kind of flour mill |
| CN109126977A (en) * | 2018-08-23 | 2019-01-04 | 河南东贵电子科技有限公司 | A kind of high-efficiency pulverizer with screening function |
-
2020
- 2020-06-04 CN CN202010498868.4A patent/CN111620346A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722085A (en) * | 2008-10-15 | 2010-06-09 | 许兴康 | Grinding technology of high purity sub-nano level superfine zirconium silicate powder |
| CN202575999U (en) * | 2012-05-15 | 2012-12-05 | 山东神州锆业有限公司 | Device for washing and separating and concentrating zirconium silicate superfine powder |
| CN104162469A (en) * | 2014-09-03 | 2014-11-26 | 郑州维科重工机械有限公司 | Pendulum mill |
| CN105032578A (en) * | 2015-06-02 | 2015-11-11 | 唐山贺祥锆业有限公司 | Low-carbon and high-efficiency nanometer zirconium silicate manufacturing method and device |
| CN205462489U (en) * | 2016-01-23 | 2016-08-17 | 湖南省锐驰环保科技有限公司 | Flour mill |
| CN205868507U (en) * | 2016-08-12 | 2017-01-11 | 长兴宏业钙业有限公司 | Ore milling machine of crocus many times |
| CN207786693U (en) * | 2017-08-08 | 2018-08-31 | 南通利元亨机械有限公司 | Multistage breaks up flour mill |
| CN208098323U (en) * | 2018-02-08 | 2018-11-16 | 镇安县宝华矿业有限公司 | A kind of flour mill |
| CN109126977A (en) * | 2018-08-23 | 2019-01-04 | 河南东贵电子科技有限公司 | A kind of high-efficiency pulverizer with screening function |
Non-Patent Citations (2)
| Title |
|---|
| 熊炳昆: "我国锆铪产业现状及发展评述", 《有色金属工业科技创新：中国有色金属学会第七届学术年会论文集》 * |
| 苏宁等: "硅酸锆超微细粉体球磨干法加工技术与实践", 《中国非金属矿工业导刊》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976230A (en) * | 2021-11-18 | 2022-01-28 | 江苏脒诺甫纳米材料有限公司 | Fine processing technology and equipment for zircon sand |
| CN113976230B (en) * | 2021-11-18 | 2023-07-28 | 江苏脒诺甫纳米材料有限公司 | Zircon sand refining processing technology and equipment |
| CN116443859A (en) * | 2023-03-10 | 2023-07-18 | 青岛科技大学 | Sigma phase catalyst and method for synthesizing single-walled carbon nanotubes with high selectivity |
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Application publication date: 20200904 |