CN114642907A - Purification equipment and purification method applied to sodium metaaluminate - Google Patents
Purification equipment and purification method applied to sodium metaaluminate Download PDFInfo
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- CN114642907A CN114642907A CN202210317768.6A CN202210317768A CN114642907A CN 114642907 A CN114642907 A CN 114642907A CN 202210317768 A CN202210317768 A CN 202210317768A CN 114642907 A CN114642907 A CN 114642907A
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- solution
- sodium metaaluminate
- filter screen
- fixed block
- screen layer
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 89
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 89
- 239000011734 sodium Substances 0.000 title claims abstract description 89
- 238000000746 purification Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 31
- 230000008859 change Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 63
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a purification device and a purification method applied to sodium metaaluminate, belonging to the technical field of sodium metaaluminate purification, wherein a vortex mechanism comprises a first fixed block arranged on an end cover of a solution tank, the first fixed block is connected with a hinged movable block through a screw rod, the hinged movable block is welded with a spherical block, the other end of the spherical block is movably connected with a rotating shaft, the other end of the rotating shaft is provided with a bearing, and the bearing is arranged on a second fixed block; the invention is provided with a plurality of arc-shaped blades with the same rotating direction, the position of the arc-shaped blades is adjusted to further adjust the separating position point in the solution box body, so that the solution rotates in a vortex shape, large particle impurities are thrown to the filter screen layer and are absorbed by the filter screen layer, substances with various particle sizes can be fully absorbed by the filter screen layer, the solution close to the side part of the solution box body can be further fully separated from the impurities, and the impurity absorbing effect of the filter screen layer is improved.
Description
Technical Field
The invention relates to the technical field of sodium metaaluminate purification, in particular to purification equipment and a purification method applied to sodium metaaluminate.
Background
The production of liquid sodium metaaluminate is carried out by mixing raw material liquid alkali, water for production and aluminium hydroxide powder in reactor, heating to specified temperature, reacting at constant temperature and normal pressure or pressurizing, and blending to specified index for customer. The sodium metaaluminate product is an intermediate raw material product for manufacturing the oil refining catalyst, plays a role of a binder, has a relatively simple production process, is produced by heating and stirring in a normal pressure reaction kettle, adopts aluminum hydroxide powder and liquid sodium hydroxide as raw materials, and has relatively high added value. As the reaction raw materials may carry trace unreacted impurities or part of the aluminum hydroxide powder is unreacted due to production fluctuation, the sodium metaaluminate solution product contains variable amounts of fine granular impurities and a small amount of suspended particles still exist after sedimentation. If the impurities in the sodium metaaluminate are not cleaned in time, the dried sodium metaaluminate is easy to be fixed and enter other solid impurities, so that the purity of the sodium metaaluminate is reduced. In the prior art, in the purification process of the sodium metaaluminate solution, solid impurities in the solution are still difficult to clean completely, the cleaning effect is poor, complete cleaning cannot be carried out, and the separation of the solid impurities and the sodium metaaluminate is insufficient.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides purification equipment and a purification method applied to sodium metaaluminate.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a purification device applied to sodium metaaluminate, which comprises a solution tank end cover, a solution tank body and a vortex mechanism arranged in the solution tank body,
the vortex mechanism comprises a first fixed block arranged on the end cover of the solution tank, the first fixed block is connected with a hinged movable block through a screw rod, the hinged movable block is welded with a spherical block, the other end of the spherical block is movably connected with a rotating shaft, the other end of the rotating shaft is provided with a bearing, and the bearing is arranged on a second fixed block;
the bottom of the second fixed block is connected with a linear guide rail, the linear guide rail is arranged on the bottom of the solution box body, the second fixed block is also connected with an electric cylinder, the electric cylinder is fixed on a third fixed block, and the third fixed block is arranged on the bottom of the solution box body;
still be provided with first annululus and second annululus on the rotation axis, the surface of first annululus and second annululus is provided with a plurality of support guide arms that are the circumference array, the third annululus is all connected to the other end that supports the guide arm, be provided with a plurality of through-holes on the third annululus, be provided with the arc page or leaf on the through-hole, in order to pass through arc page or leaf realizes the connection between the third annululus.
Further, in a preferred embodiment of the present invention, a circular gear ring is further connected to the second circular ring near the top of the solution tank, the circular gear ring is engaged with a gear, the gear is driven by a driving motor, and the driving motor is disposed inside the fourth fixed block.
Further, in a preferred embodiment of the present invention, an installation groove is disposed inside the fourth fixing block, a wire guide hole is disposed on an upper surface of the installation groove, and the installation groove is used for installing a driving motor.
Further, in a preferred embodiment of the present invention, the fourth fixing block is fixed to an inner surface of the circular gear ring, and the fourth fixing block is aligned with a center line of the rotating shaft.
Further, in a preferred embodiment of the present invention, the bottom of the solution tank is provided with a plurality of threaded holes from inside to outside, the threaded holes are connected with cylindrical guide rods in a matching manner, the cylindrical guide rods are provided with linear array telescopic rods, and the telescopic rods are sleeved with springs.
Further, in a preferred embodiment of the present invention, the length of the spring is greater than the length of the telescopic rod, and the spring is attached to a first sensor, and the first sensor is sleeved on the outer side of the cylindrical guide rod.
Further, in a preferred embodiment of the present invention, the other end of the spring is attached to the filter screen layer, and the size of the filter holes of the filter screen layer decreases in steps from inside to outside.
Further, in a preferred embodiment of the present invention, a plurality of second sensors are further disposed at the joint of the solution tank and the bottom of the filter screen layer, so as to obtain absorption information of the filter screen layer through the second sensors.
The second aspect of the invention provides a purification method applied to purification equipment of sodium metaaluminate, which is applied to any one of the purification equipment of sodium metaaluminate, and comprises the following steps:
sleeving a plurality of filter screen layers on one end of a telescopic rod, and introducing a sodium metaaluminate solution with a preset volume into a solution tank body;
starting a driving motor, so that the driving motor drives a gear to further drive a circular toothed ring, a second circular ring connected with the circular toothed ring is driven, and the sodium metaaluminate solution in the solution tank is stirred;
under the action of stirring, the particles in the sodium metaaluminate solution are rapidly dispersed to the filter screen layer and absorbed by the filter screen layer;
and after the filtering net layer absorbs the particles with the preset mass, the filtering net layer is drawn out.
Further, in a preferred embodiment of the present invention, the method for purifying sodium metaaluminate, which is applied to a purifying apparatus for sodium metaaluminate, further comprises the following steps:
acquiring a stirring impact force value of the sodium aluminate solution within a preset application time through a first sensor;
if the stirring impact force value is larger than a preset stirring impact force value, calculating an impact force change rate value based on the stirring impact force value of the sodium aluminate solution within the preset application time;
comparing the impact force change rate value with a preset impact force change rate value to obtain a deviation rate;
judging whether the deviation rate is greater than a preset deviation rate threshold value or not;
if the speed is larger than the preset speed, the rotating speed of the driving motor is adjusted.
The invention solves the defects in the background art, and has the following beneficial effects:
the device is provided with the vortex mechanism, the solution in the solution box body is subjected to centrifugal action by utilizing the stirring of the vortex mechanism, and the filter net layers arranged around the vortex mechanism are arranged in the solution box body in a stepped manner, so that the filter net layers can absorb particles with different pore sizes, impurities in the sodium metaaluminate solution in the solution box body can be fully separated, and the purity of the prepared sodium metaaluminate is improved; on the other hand, the invention is provided with a plurality of arc-shaped blades with the same rotating direction, in the process of separating the sodium metaaluminate solution from impurities, the position of the arc-shaped blades is adjusted to further adjust the separating position point in the solution box body, so that the solution rotates in a vortex shape, large particle impurities are thrown to the filter screen layer and are absorbed by the filter screen layer, substances with various particle sizes can be fully absorbed by the filter screen layer, the solution close to the side part of the solution box body can be further and fully separated from the impurities, the absorption effect of the filter screen layer is improved, and the purity of the sodium metaaluminate solution is improved. On the other hand, as the second sensor is arranged at the joint of the filter screen layer and the solution box body, the second sensor can acquire the absorption information in the filter screen layer, and a user can replace the filter screen layer in time according to the absorption information; the invention is also provided with a first sensor, the impact force of the solution stirred in the stirring process on the filter screen layer can be obtained through the first sensor, when the impact force is lower than the preset impact force, the position of the vortex adjusting mechanism can be obtained through adjusting the rotating speed of the driving motor, and the stirring speed of the solution at a certain part of the position can be further adjusted, so that the separation effect of impurities and the solution is improved through adjusting the speed of the driving motor and the position of the vortex mechanism, and the impurities at each part in the solution box body can be absorbed by the filter screen layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional view showing the overall construction of a purification apparatus for sodium metaaluminate;
FIG. 2 is a schematic view showing a first sectional structure of a purification apparatus for sodium metaaluminate;
FIG. 3 is a schematic view showing a second sectional structure of a purification apparatus for sodium metaaluminate;
FIG. 4 is a schematic view showing a third sectional structure of a purification apparatus for sodium metaaluminate;
FIG. 5 shows a first structural schematic of the swirling mechanism;
FIG. 6 shows a second structural schematic of the swirling mechanism;
FIG. 7 is a schematic view showing a partial structure of a purification apparatus for sodium metaaluminate;
FIG. 8 is a first method flowchart of a control method applied to a purification apparatus of sodium metaaluminate;
fig. 9 shows a second method flowchart of a control method applied to a purification apparatus of sodium metaaluminate.
In the figure:
1. the liquid tank comprises a solution tank end cover, 2, a solution tank body, 3, a vortex mechanism, 301, a first fixed block, 302, a hinged movable block, 303, a spherical block, 304, a rotating shaft, 305, a bearing, 306, a second fixed block, 307, a linear guide rail, 308, a filter screen layer, 309, an electric cylinder, 310, a third fixed block, 311, a first circular ring, 312, a second circular ring, 313, a support guide rod, 314, a third circular ring, 315, an arc-shaped sheet, 316, a circular gear ring, 317, a gear, 318, a driving motor, 319, a fourth fixed block, 320, a cylindrical guide rod, 321, a telescopic rod, 322, a spring, 323 and a first sensor.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified schematic drawings and only the basic structure of the present invention is illustrated schematically, so that only the structure related to the present invention is shown, and it is to be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, fig. 2 and fig. 3, the first aspect of the invention provides a purification apparatus for sodium metaaluminate, comprising a solution tank end cover 1, a solution tank body 2 and a vortex mechanism 3 arranged inside the solution tank body 2,
the vortex mechanism 3 comprises a first fixed block 301 arranged on the solution tank end cover 1, the first fixed block 301 is connected with a hinged movable block 302 through a screw, the hinged movable block 302 is welded with a spherical block 303, the other end of the spherical block 303 is movably connected with a rotating shaft 304, a bearing 305 is arranged at the other end of the rotating shaft 304, and the bearing 305 is arranged on a second fixed block 306;
it should be noted that, firstly, a user can introduce a certain volume of sodium metaaluminate solution through a solution port arranged on the top, as shown in the figure, because the rotating shaft 304 is movably connected with the spherical block 303, the rotating shaft 304 can be adjusted to a certain angle, so that when the other end of the rotating shaft 304 is positioned, the rotating shaft 304 can be adjusted to a certain position, thereby changing the position of the arc-shaped blade 315, separating impurities at different positions from the solution in the solution tank 2, separating the solution from the impurities in the solution tank 2 by the solution near the inner wall of the solution tank 2, the moving range of the arc-shaped blade 315 is wider, so that the impurities at each position in the solution tank 2 can be fully separated by the vortex mechanism 3, thereby the separating effect of the solution and the impurities is better, and the stirring by the vortex mechanism 3, the particulate matter can form certain vortex flow under vortex mechanism 3's stirring, and certain volume of particulate matter is located the outside of vortex flow, and after the particulate matter was got rid of the outside to vortex flow, the filter screen layer 308 of being in solution box 2 absorbed to improve sodium metaaluminate's purity.
The bottom of the second fixed block 306 is connected with a linear guide rail 307, the linear guide rail 308 is arranged on the bottom of the solution tank body 2, the second fixed block 306 is further connected with an electric cylinder 309, the electric cylinder 309 is fixed on a third fixed block 310, and the third fixed block 310 is arranged on the bottom of the solution tank body 2;
it should be noted that the electric cylinder 309 arranged on the second fixed block 306 is used to drive the rotating shaft 304, and since the rotating shaft 304 is movably connected with the spherical block 303, the rotating shaft 304 can rotate to a certain angle on the spherical block 303, so as to adjust the action position of the vortex mechanism 3, and further enable the solution in the solution tank 3 to act at as many positions as possible, on one hand, the impurities of the sodium metaaluminate solution are separated, on the other hand, the precipitate aluminum hydroxide separated out from the sodium salt can react with the sodium hydroxide again, so that the sodium hydroxide in the solution tank 2 reacts with the precipitate aluminum hydroxide again, the probability of the aluminum hydroxide and the sodium hydroxide contacting again is improved, uniform micromixing is further formed again, a highly uniform supersaturation is formed, and the precipitation of the aluminum hydroxide is facilitated to be inhibited, is beneficial to the uniformity of product crystal grains. On the other hand, the driving of the vortex mechanism 3 is utilized to increase the contact probability of sodium hydroxide molecules and aluminum hydroxide molecules, and the solute molecules which are not completely reacted after the reaction can be further fully contacted by using the mode again, so that the residual resources are fully utilized, and the utilization rate of the resources is improved.
The rotating shaft 304 is further provided with a first circular ring 311 and a second circular ring 312, the outer surfaces of the first circular ring 311 and the second circular ring 312 are provided with a plurality of supporting guide rods 313 in a circumferential array, the other ends of the supporting guide rods 313 are connected with a third circular ring 314, the third circular ring 314 is provided with a plurality of through holes, and arc-shaped blades 315 are arranged on the through holes so as to realize connection between the third circular rings 314 through the arc-shaped blades 315.
It should be noted that, the support guide rods 313 arranged in a circumferential array are arranged on the rotating shaft 304, which is beneficial to improve the rigidity of the arc-shaped blade 315, which is beneficial to improve the operation stability of the swirling mechanism 3, as shown in the figure, the arc-shaped blade 315 is distributed on the third circular ring 314 at a certain angle, so that the arc-shaped blade 315 can enable the sodium metaaluminate solution to fully contact with the side surface of the arc-shaped blade 315 when the sodium metaaluminate solution is agitated, so that the sodium metaaluminate solution can rapidly form a swirling form, and the impurity particles in the sodium metaaluminate solution are thrown to the outer side of the swirling by the swirling force.
As shown in fig. 5 and 6, in a further preferred embodiment of the present invention, a circular ring gear 316 is further connected to the second circular ring 312 near the top of the solution tank 2, the circular ring gear 316 is engaged with a gear 317, the gear 317 is driven by a driving motor 318, and the driving motor 318 is disposed inside a fourth fixing block 319.
Further, in a preferred embodiment of the present invention, a mounting groove is disposed inside the fourth fixing block 319, a wire guide hole is disposed on an upper surface of the mounting groove, and the mounting groove is used for mounting the driving motor 318.
Further, in a preferred embodiment of the present invention, the fourth anchor block 319 is fixed to an inner surface of the circular ring gear 316, and the fourth anchor block 319 is aligned with a center line of the rotating shaft 304.
It should be noted that the gear 317 is driven by a driving motor 318, and the gear 317 drives the circular gear ring 316, so that the circular toothed ring 316 drives the third circular toothed ring 314 in rotation, so that the third circular toothed ring 314 rotates on the rotation axis 304, which process can be understood as, a rotary bearing is arranged on the rotary shaft, the rotary bearing is connected with the third circular gear ring 314, thereby enabling the driving motor 318 to drive the third circular gear ring 314, enabling the arc-shaped leaves 315 on the third circular gear ring 314 to rotate, and a mounting groove for mounting the driving motor 318 and a wire guide hole are formed in the fourth fixing block 319, the wire of the driving motor 318 can pass through the wire guide hole, this avoids the problem of wire entanglement of the drive motor 318 during driving of the arcuate blades 315, thereby avoiding the problem of the driving motor 318 failure caused by the wire winding problem during the operation of the driving motor 318.
Further, in a preferred embodiment of the present invention, a plurality of threaded holes are formed in the bottom of the solution tank 2 from inside to outside, the threaded holes are connected to a cylindrical guide rod 320 in a matching manner, a linear array of telescopic rods 321 are arranged on the cylindrical guide rod 320, and a spring 322 is sleeved on the telescopic rods 321.
Further, in a preferred embodiment of the present invention, the length of the spring 322 is greater than the length of the telescopic rod 321, and the spring 322 is attached to the first sensor 323, and the first sensor 323 is sleeved on the outer side of the cylindrical guide rod 320.
Further, in a preferred embodiment of the present invention, the other end of the spring 322 is attached to the filter screen layer 308, and the size of the filter holes of the filter screen layer 308 decreases in steps from inside to outside.
It should be noted that, by arranging the threaded hole on the bottom of the solution tank 2 from inside to outside, and arranging the external thread on the guide rod of the cylindrical guide rod 320, so that the external thread can be matched with the threaded hole, and arranging a plurality of linear arrays of the telescopic rods 321 on the cylindrical guide rod 320, a user can attach the filter screen layer 308 with a preset diameter and width to one side of the telescopic rods 321, because the length dimension of the spring 322 is greater than the length dimension of the telescopic rods 321, the filter screen layer 308 can have a certain elastic force when attached to the telescopic rods 321, and the filter screen layer 308 is supported in the radial direction, so that the filter screen layer 308 can be close to each other when the internal sodium metaaluminate solution forms a certain vortex force, and thus the filter screen layer 308 can fully absorb impurity particles with a preset volume size, on the other hand, when a certain amount of sodium metaaluminate solution is collected by the filter screen layer 307, the user can pull out the filter screen layer 308 from the inside of the solution tank body 2, and clean the particulate matters in the filter screen layer 308 in time, so that the filter screen layer 308 can be reused, and the impurity cleaning efficiency of the sodium metaaluminate solution can be improved; on the other hand, utilize multilayer filter stratum reticulare 308 can alleviate the swirl effectively to the impact force of solution box 2, cushion layer upon layer through multilayer filter stratum reticulare 308, not only be favorable to the stability of device, still absorb different particulate matters on filter stratum reticulare 308 automatically to get rid of the impurity of sodium metaaluminate solution, make the purity of the sodium metaaluminate who prepares higher, this design is simple moreover, and is with low costs, is favorable to the popularization of industry.
It should be noted that, as shown in the figure, a first sensor 323 is arranged at the spring 322, and the stirring impact force value of the sodium aluminate solution in the preset application time is obtained by the first sensor 323; if the stirring impact force value is larger than a preset stirring impact force value, calculating an impact force change rate value based on the stirring impact force value of the sodium aluminate solution within the preset application time; comparing the impact force change rate value with a preset impact force change rate value to obtain a deviation rate; judging whether the deviation rate is greater than a preset deviation rate threshold value or not; if the speed is larger than the preset speed, the rotating speed of the driving motor is adjusted. In the operation process, the swirling mechanism 3 enables the sodium metaaluminate solution to have a certain impact force on the filter screen layer 308 in the process of stirring the sodium metaaluminate solution, at the moment, the impact force of the sodium metaaluminate solution on the filter royal 308 is obtained through the first sensor 323, when the impact force is greater than a preset impact force (a threshold value set by a user), an impact force change rate value within a preset time is calculated, the preset impact force change rate value is compared with a preset impact force change rate threshold value to obtain a deviation rate, when the deviation rate exceeds the preset deviation rate threshold value, the rotating speed of the driving motor 308 is over high at the moment, so that the sodium metaaluminate solution in the solution box body 2 acts on the filter screen layer 308 to generate sputtering, the impurity separation is not facilitated, at the moment, the rotating speed of the driving motor 308 is changed, so that when the sodium metaaluminate solution is subjected to impurity separation, the speed of the vortex can be controlled, and the running stability of the device is ensured.
Further, in a preferred embodiment of the present invention, a plurality of second sensors are further disposed at the joint of the solution tank 2 and the bottom of the filter screen layer 308, so as to obtain absorption information of the filter screen layer 308 through the second sensors.
It should be noted that the absorption information is the mass of the impurities absorbed by the filter screen layer 308, when the mass exceeds a preset mass, a replacement signal is sent to the remote control terminal, and the remote control terminal may be a computer control terminal, so as to remind a user to clean or replace the filter screen layer 308 in time, so that the device can be maintained in time to perform normal purification operation, and the impurity cleaning effect of the device is maintained.
The second aspect of the invention provides a purification method applied to purification equipment of sodium metaaluminate, which is applied to any one of the purification equipment of sodium metaaluminate, and comprises the following steps:
sleeving a plurality of filter screen layers on one end of a telescopic rod, and introducing a sodium metaaluminate solution with a preset volume into a solution tank body;
starting a driving motor, so that the driving motor drives a gear to further drive a circular toothed ring, a second circular ring connected with the circular toothed ring is driven, and the sodium metaaluminate solution in the solution tank is stirred;
under the action of stirring, the particles in the sodium metaaluminate solution are rapidly dispersed to the filter screen layer and absorbed by the filter screen layer;
and after the filtering net layer absorbs the particles with the preset mass, the filtering net layer is drawn out.
It should be noted that, the gear is driven by the driving motor, and the gear drives the circular gear ring, so that the circular gear ring drives the third circular gear ring to rotate, so that the third circular gear ring rotates on the rotating shaft. The utility model discloses a solution box, including the solution box, the bottom of solution box, cylindrical guide rod, spring, telescopic link, filtration stratum reticulare, the utilization is in the bottom of solution box is provided with the screw hole in the direction from inside to outside, and is provided with external screw thread on cylindrical guide rod for external screw thread can cooperate with the screw hole, and is provided with a plurality of linear array's telescopic link on cylindrical guide rod, and the user can laminate the filtration stratum reticulare of predetermineeing diameter width with one side of telescopic link, because the length dimension of spring is greater than the length dimension of telescopic link for the filtration stratum reticulare can possess certain elasticity when laminating with the telescopic link, and support the filtration stratum reticulare in radial direction, when making inside sodium metaaluminate solution form certain vortex power, can press close to the filtration stratum reticulare, just so can make the filtration stratum reticulare absorb the impurity particulate matter of predetermineeing the volume size fully.
Further, in a preferred embodiment of the present invention, the method for purifying sodium metaaluminate, which is applied to a purifying apparatus for sodium metaaluminate, further comprises the following steps:
acquiring a stirring impact force value of the sodium aluminate solution within a preset application time through a first sensor;
if the stirring impact force value is larger than a preset stirring impact force value, calculating an impact force change rate value based on the stirring impact force value of the sodium aluminate solution within the preset application time;
comparing the impact force change rate value with a preset impact force change rate value to obtain a deviation rate;
judging whether the deviation rate is greater than a preset deviation rate threshold value or not;
if the speed is larger than the preset speed, the rotating speed of the driving motor is adjusted.
It should be noted that the first sensor is arranged at the spring, the stirring impact force value of the sodium metaaluminate solution within the preset application time is obtained through the first sensor, because the vortex mechanism enables the sodium metaaluminate solution to have certain impact force on the filter screen layer in the process of stirring the sodium metaaluminate solution in the operation process, the impact force of the sodium metaaluminate solution on the filter king city is obtained through the first sensor at the moment, when the impact force is greater than the preset impact force, the impact force change rate value within the preset time is calculated, the deviation rate is obtained by comparing the preset impact force change rate value with the preset impact force change rate threshold value, when the deviation rate exceeds the preset deviation rate threshold value, the rotating speed of the driving motor is over high, the sodium metaaluminate solution in the solution tank is caused to act on the filter screen layer to generate sputtering, and the impurity separation is not facilitated, the rotating speed of the driving motor is changed at the moment, so that the vortex speed can be controlled when the sodium metaaluminate solution is subjected to impurity separation, and the running stability of the device is ensured. At this moment, the running speed of the driving motor is reduced, the driving motor is used for driving the gear, and the gear drives the circular gear ring, so that the circular gear ring drives the third circular gear ring to rotate, so that the third circular gear ring rotates on the rotating shaft.
In summary, on one hand, the vortex mechanism is arranged, the solution in the solution tank body is subjected to a centrifugal action by stirring of the vortex mechanism, and the filter screen layers arranged around the vortex mechanism are arranged in the solution tank body in a stepped manner, so that the filter screen layers can absorb particles with different pore sizes, impurities in the sodium metaaluminate solution in the solution tank body can be fully separated, and the purity of the prepared sodium metaaluminate is improved.
On the other hand, the invention is provided with a plurality of arc-shaped blades with the same rotating direction, in the process of separating the sodium metaaluminate solution from impurities, the position of the arc-shaped blades is adjusted to further adjust the separating position point in the solution box body, so that the solution rotates in a vortex shape, large particle impurities are thrown to the position of the filter net layer and are absorbed by the filter net layer, substances with various particle sizes can be fully absorbed by the filter net layer, the solution close to the side part of the solution box body can be further fully separated from the impurities, the absorption effect of the filter net layer is improved, and the purity of the sodium metaaluminate solution is improved.
On the other hand, as the second sensor is arranged at the joint of the filter screen layer and the solution box body, the second sensor can acquire the absorption information in the filter screen layer, and a user can replace the filter screen layer in time according to the absorption information; the invention is also provided with a first sensor, the impact force of the solution stirred in the stirring process on the filter screen layer can be obtained through the first sensor, when the impact force is lower than the preset impact force, the position of the vortex adjusting mechanism can be obtained through adjusting the rotating speed of the driving motor, and the stirring speed of the solution at a certain part of the position can be further adjusted, so that the separation effect of impurities and the solution is improved through adjusting the speed of the driving motor and the position of the vortex mechanism, and the impurities at each part in the solution box body can be absorbed by the filter screen layer.
The following functions may also be included:
acquiring sodium hydroxide concentration data information of sodium hydroxide and sodium metaaluminate prepared from aluminum hydroxide through a big data network, and establishing a database based on the raw material conversion rate data information;
acquiring the concentration of sodium hydroxide in current purification equipment, introducing the concentration of sodium hydroxide into the database, and judging whether the concentration of sodium hydroxide in the current purification equipment is greater than a first preset concentration of sodium hydroxide;
if so, judging whether the concentration of the sodium hydroxide in the current purification equipment is greater than a second preset concentration of the sodium hydroxide;
and if so, sending the adjustment information to the remote control terminal of the purification equipment.
In addition, since the concentration of the sodium hydroxide solution has a great influence on the original conversion rate by providing a concentration sensor in the solution tank 2 and obtaining the concentration value of the sodium hydroxide solution in the purification equipment by the concentration sensor, the greater the concentration of the sodium hydroxide solution is, the greater the amount of aluminum hydroxide dissolved is, and the higher the conversion rate of the raw material is. However, after the reaction is finished, the caustic ratio of the sodium metaaluminate solution in the purification box cannot be too high, so that the input amount of sodium hydroxide cannot be too large, and the production difficulty is easily caused. The first preset sodium hydroxide concentration is a concentration at which the solubility of sodium metaaluminate in a certain sodium hydroxide solution reaches a preset requirement, and the second preset sodium hydroxide concentration is a concentration at which the input amount just exceeds a preset high concentration; below this concentration, the high sodium hydroxide solution is expensive and extremely corrosive, making the solution difficult to produce. The method can effectively reduce the quality of converting the sodium metaaluminate into the aluminum hydroxide in the process of separating impurities, thereby reducing the quality of the aluminum hydroxide generated by reverse reaction and effectively improving the purity of the sodium metaaluminate.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the technology must be determined in accordance with the scope of the claims.
Claims (10)
1. A purification device applied to sodium metaaluminate comprises a solution tank end cover, a solution tank body and a vortex mechanism arranged in the solution tank body, and is characterized in that,
the vortex mechanism comprises a first fixed block arranged on the end cover of the solution tank, the first fixed block is connected with a hinged movable block through a screw rod, the hinged movable block is welded with a spherical block, the other end of the spherical block is movably connected with a rotating shaft, the other end of the rotating shaft is provided with a bearing, and the bearing is arranged on a second fixed block;
the bottom of the second fixed block is connected with a linear guide rail, the linear guide rail is arranged on the bottom of the solution box body, the second fixed block is also connected with an electric cylinder, the electric cylinder is fixed on a third fixed block, and the third fixed block is arranged on the bottom of the solution box body;
still be provided with first annululus and second annululus on the rotation axis, the surface of first annululus and second annululus is provided with a plurality of support guide arms that are the circumference array, the third annululus is all connected to the other end that supports the guide arm, be provided with a plurality of through-holes on the third annululus, be provided with the arc page or leaf on the through-hole, in order to pass through arc page or leaf realizes the connection between the third annululus.
2. The purification equipment for sodium metaaluminate as claimed in claim 1, wherein a circular ring gear is further connected to the second circular ring near the top of the solution tank, the circular ring gear is engaged with a gear, the gear is driven by a driving motor, and the driving motor is disposed inside the fourth fixed block.
3. The purification equipment for sodium metaaluminate as claimed in claim 2, wherein an installation groove is formed in the fourth fixing block, a wire guide hole is formed on the upper surface of the installation groove, and the installation groove is used for installing a driving motor.
4. The purification apparatus of sodium metaaluminate as claimed in claim 2, wherein said fourth fixed block is fixed on the inner surface of said circular toothed ring, and said fourth fixed block is aligned with the center line of said rotating shaft.
5. The purification equipment for sodium metaaluminate according to claim 1, wherein the bottom of the solution tank is provided with a plurality of threaded holes from inside to outside, the threaded holes are connected with cylindrical guide rods in a matching manner, the cylindrical guide rods are provided with telescopic rods in a linear array, and the telescopic rods are sleeved with springs.
6. The purification equipment for sodium metaaluminate according to claim 5, wherein the length of the spring is greater than the length of the telescopic rod, the spring is attached to a first sensor, and the first sensor is sleeved on the outer side of the cylindrical guide rod.
7. The purification equipment for sodium metaaluminate as claimed in claim 6, wherein the other end of said spring is attached to a filter screen layer, and the size of the filter screen layer decreases in steps from inside to outside.
8. The purification equipment for sodium metaaluminate according to claim 1, wherein a plurality of second sensors are further disposed at the joint of the solution tank and the bottom of the filter screen layer, so as to obtain the absorption information of the filter screen layer through the second sensors.
9. A purification method applied to a purification apparatus of sodium metaaluminate, characterized in that, applied to a purification apparatus of sodium metaaluminate described in any one of claims 1 to 8, comprising the steps of:
sleeving a plurality of filter screen layers on one end of a telescopic rod, and introducing a sodium metaaluminate solution with a preset volume into a solution tank body;
starting a driving motor, so that the driving motor drives a gear to further drive a circular toothed ring, a second circular ring connected with the circular toothed ring is driven, and the sodium metaaluminate solution in the solution tank is stirred;
under the action of stirring, the particles in the sodium metaaluminate solution are rapidly dispersed to the filter screen layer and absorbed by the filter screen layer;
and after the filtering net layer absorbs the particles with the preset mass, the filtering net layer is drawn out.
10. The purification method applied to the purification equipment of sodium metaaluminate, as claimed in claim 9, further comprising the steps of:
acquiring a stirring impact force value of the sodium aluminate solution within a preset application time through a first sensor;
if the stirring impact force value is larger than a preset stirring impact force value, calculating an impact force change rate value based on the stirring impact force value of the sodium aluminate solution within the preset application time;
comparing the impact force change rate value with a preset impact force change rate value to obtain a deviation rate;
judging whether the deviation rate is greater than a preset deviation rate threshold value or not;
if the speed is larger than the preset speed, the rotating speed of the driving motor is adjusted.
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Effective date of registration: 20221213 Address after: 255300 Mo Jia Zhuang Nan Shou Lu Dong, Zhoucun District, Zibo City, Shandong Province Patentee after: Shandong jinliwang Industrial Co.,Ltd. Address before: 255300 No. 387, mojiazhuang, Zhoucun District, Zibo City, Shandong Province Patentee before: Shandong HengRuiDa silicon aluminum New Material Co.,Ltd. |