CN117839318A - Separation device, separation system and method for preparing rare earth-based ultraviolet shielding material - Google Patents
Separation device, separation system and method for preparing rare earth-based ultraviolet shielding material Download PDFInfo
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- CN117839318A CN117839318A CN202410265244.6A CN202410265244A CN117839318A CN 117839318 A CN117839318 A CN 117839318A CN 202410265244 A CN202410265244 A CN 202410265244A CN 117839318 A CN117839318 A CN 117839318A
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- 238000000926 separation method Methods 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 239000011343 solid material Substances 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011268 mixed slurry Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000007480 spreading Effects 0.000 description 33
- 238000003892 spreading Methods 0.000 description 33
- 238000001556 precipitation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a separation device, a separation system and a method for preparing rare earth-based ultraviolet shielding materials, belonging to the technical field of separation equipment; in the separating device, a cleaning mechanism is arranged outside the filter screen cylinder, the cleaning mechanism comprises a cleaning part capable of rotating around the outer wall of the filter screen cylinder and a second driving mechanism for driving the cleaning part to rotate, and the cleaning part cleans meshes of the filter screen cylinder in the rotating process; thus, the problems that when the spiral solid-liquid separator performs solid-liquid separation on slurry, a cylindrical filter screen of the spiral solid-liquid separator is easy to block, and the separation efficiency is reduced are solved; secondly, the invention provides a separation system, which is characterized in that a mixing device and a batching device are further arranged on the basis of the separation device, the separated solid materials are sent into the mixing device for material mixing, and the mixed materials are batched through the batching device; finally, the invention also provides a method for preparing the rare earth-based ultraviolet shielding material by using the separation system.
Description
Technical Field
The invention relates to the technical field of separation equipment, in particular to a separation device, a separation system and a method for preparing rare earth-based ultraviolet shielding materials.
Background
Solid-liquid separation is sometimes required in the production process of rare earth materials, for example, solid-liquid separation is required in rare earth waste recovery, for example, a solid-liquid separation device for rare earth waste recovery is disclosed in patent publication No. CN116688645 a; for example, a rare earth ultra-fine powder solid-liquid separation device and a separation method thereof disclosed in patent publication No. CN116726581a, a rare earth oxide extraction solid-liquid separation device and the like disclosed in patent publication No. CN 206414863U.
In addition to the above-mentioned disclosed technology, in the prior art, solid-liquid separation apparatuses include a filter press, a centrifuge, and a spiral solid-liquid separator, in which when solid-liquid separation is performed on slurry by the spiral solid-liquid separator, a cylindrical filter screen is easily blocked, resulting in a decrease in separation efficiency.
Disclosure of Invention
The invention aims to provide a separation device, a separation system and a method for preparing a rare earth-based ultraviolet shielding material, which at least solve the problem that a cylindrical filter screen is easy to be blocked and the separation efficiency is reduced when the conventional spiral solid-liquid separator is used for solid-liquid separation of slurry.
The technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a separation device, comprising a spiral solid-liquid separator, wherein the spiral solid-liquid separator comprises a shell, two ends of the shell are plugged by end plates, and the interior of the shell is divided into an extrusion chamber and a discharge chamber by a partition plate; a filter screen cylinder is arranged in the extrusion chamber; an upward feeding hole is formed in the filter screen cylinder, an upward extending feeding pipe is connected to the feeding hole, and the feeding pipe passes through the through hole in the shell upwards and extends to the outer side of the shell; one end of the filter screen cylinder is a discharge hole, and a through hole communicated with the discharge hole is formed in the partition plate; a first auger is coaxially arranged in the filter screen cylinder; the cleaning mechanism is arranged outside the filter screen cylinder and comprises a cleaning part capable of rotating around the outer wall of the filter screen cylinder and a second driving mechanism for driving the cleaning part to rotate, and the cleaning part cleans meshes of the filter screen cylinder in the rotating process.
Further, the cleaning part comprises a strip-shaped supporting plate, and a cleaning body formed by fiber clusters is arranged on the surface of the strip-shaped supporting plate, facing the filter screen cylinder.
Further, one end of the strip-shaped supporting plate is connected to the first rotating ring, and the other end of the strip-shaped supporting plate is connected to the second rotating ring; the first rotating ring is rotatably sleeved at one end of the filter screen cylinder and is connected with the second driving mechanism; the second rotating ring is rotatably sleeved at the other end of the filter screen cylinder; the second driving mechanism is a belt transmission mechanism or a chain transmission mechanism.
Further, the upper end of the feeding pipe is connected with an expansion joint, and the length of the expansion joint is variable; the upper end of the expansion joint is connected with a second connecting pipe, and the second connecting pipe is fixed on the shell through a first bracket; the feeding pipe is connected with the adjusting mechanism so that the feeding pipe can move up and down.
Further, the first auger is composed of a first auger shaft and spiral blades; one end of the first auger shaft penetrates through the end plate to be connected with the first driving motor, and the other end of the first auger shaft penetrates through the through hole in the center of the partition plate, the discharging cavity and the other end plate in sequence and is then connected to a bearing seat outside the end plate; a discharging gap is reserved between a through hole in the center of the partition plate and the first auger shaft; the helical blade is arranged on the first auger shaft of the extrusion chamber, and the helical blade extends to the through hole of the partition plate.
Further, a plugging device and a receiving hopper are arranged in the discharging cavity, the plugging device comprises a plug and a telescopic driver, and the telescopic driver drives the plug to move along the first auger shaft so as to plug the discharging hole; the receiving hopper is arranged on the partition plate and is positioned below the discharge hole; a first discharge hopper is arranged below the receiving hopper, and a first discharger is arranged at a discharge hole at the bottom of the first discharge hopper.
Further, a liquid collecting tank is coaxially arranged in the extrusion cavity and below the filter screen cylinder, and a first liquid discharge pipe facing downwards is arranged on the liquid collecting tank.
In a second aspect, the invention provides a separation system, which comprises the separation device and further comprises a mixing device, wherein the mixing device comprises a mixing conveying pipe and a mixing tank, two sides of the mixing conveying pipe are horizontally erected through second supports, two second augers are oppositely arranged in the mixing conveying pipe and are respectively connected with a driving motor at two sides of the mixing conveying pipe, a discharging gap is reserved between the two second augers, the mixing conveying pipe forms a four-way structure at the middle discharging gap, the middle part of the four-way structure is upwards connected with a mixing tank through a mixing pipeline, and a second discharger is arranged on the mixing pipeline; the four-way structure is downwards communicated with a mixing box, and a third discharger is arranged at the bottom of the mixing box; the two sides of the material mixing conveying pipe are upwards connected with a first discharger.
Further, the separation system further comprises a batching device, the batching device comprises a conveying line and a receiving jig, the conveying line is used for conveying the receiving jig to the lower part of the third discharger, the receiving jig comprises a collet and a sagger, the collet is a cuboid shell, and the top of the collet is open; the sagger is a cuboid shell, and the top of the sagger is provided with an opening; the sagger is placed in the bottom support.
In a third aspect, the present invention provides a method for preparing a rare earth-based ultraviolet shielding material, using the above-described separation system, comprising the steps of: adding the surface modifier into hot water at 70-90 ℃ for stirring and dissolving, then adding cerium carbonate for stirring to prepare mixed slurry, sending the slurry into a spiral solid-liquid separator for solid-liquid separation to obtain solid materials and separation liquid, sending the separated solid materials into a mixing device, adding sodium acetate for material mixing, mixing the mixed materials into a sagger through a batching device, and then drying, calcining, cooling, crushing and screening the mixed materials to obtain the product.
The invention has the beneficial effects that: the invention firstly provides a separating device, wherein a cleaning mechanism is arranged outside a filter screen cylinder in the separating device, the cleaning mechanism comprises a cleaning part which can rotate around the outer wall of the filter screen cylinder, and a second driving mechanism which drives the cleaning part to rotate, and the cleaning part cleans meshes of the filter screen cylinder in the rotating process. Therefore, the problems that when the spiral solid-liquid separator performs solid-liquid separation on slurry, a cylindrical filter screen of the spiral solid-liquid separator is easy to block, and separation efficiency is reduced are solved. Secondly, the invention provides a separation system, which is characterized in that a mixing device and a batching device are further arranged on the basis of the separation device, the separated solid materials are sent into the mixing device for material mixing, and the mixed materials are batched through the batching device. Finally, the invention also provides a method for preparing the rare earth-based ultraviolet shielding material by using the separation system.
Drawings
FIG. 1 is an external model display view of a screw type solid-liquid separator according to the present invention.
FIG. 2 is a schematic view showing the internal structure of the screw-type solid-liquid separator according to the present invention.
Fig. 3 is an explanatory view of the internal structure of the discharge chamber of the present invention.
Fig. 4 is a structural representation of a first packing auger within a filter cartridge of the present invention.
Fig. 5 is a structural representation of the cleaning mechanism of the present invention.
Fig. 6 is a structural representation of the cleaning body of the present invention.
Fig. 7 is a structural explanatory view of the feed pipe adjusting mechanism of the first invention.
Fig. 8 is a structural representation of an improved adjustment mechanism of the present invention.
Fig. 9 is a perspective view showing a separation system according to the present invention.
Fig. 10 is a perspective view showing a second embodiment of the separation system of the present invention.
FIG. 11 is a view showing the installation position of the separated liquid settling tank of the present invention.
Fig. 12 is a structural view showing a mixing device and a batching device according to the present invention.
FIG. 13 is an explanatory view showing the internal structure of the mixing device of the present invention.
FIG. 14 is a structural view showing a mixing mechanism in a mixing tank according to the present invention.
FIG. 15 is a schematic representation of the structure of the upper blind of the roll of the present invention.
Fig. 16 is an illustration of a flight of the present invention having two opposed cartridges disposed thereon.
Fig. 17 is a structural view showing the material receiving jig of the present invention.
Fig. 18 is a perspective view showing a spreading device according to the present invention.
Fig. 19 is a perspective view showing a second construction of the paving apparatus according to the present invention.
Fig. 20 is a perspective view showing the construction of the decking assembly of the present invention.
Fig. 21 is a perspective view showing a spreading device of the present invention.
Fig. 22 is a perspective view showing a second perspective structure of the improved spreading device of the present invention.
Reference numerals illustrate: the spiral solid-liquid separator 1, the shell 2, the end plate 3, the partition plate 4, the filter screen cylinder 5, the feed pipe 6, the first auger 7, the first driving motor 8, the receiving hopper 9, the plug 10, the telescopic driver 11, the double-lug support plate 12, the first discharging hopper 13, the first discharging device 14, the liquid collecting tank 15 and the first liquid discharging pipe 16; a cleaning unit 17, a long support plate 1701, and a cleaning body 1702; a second driving mechanism 18, a driving belt 1801, a second driving motor 1802, a first rotating ring 19, a second rotating ring 20; the telescopic joint comprises a sliding sleeve 21, a telescopic joint 22, a second connecting pipe 23, a first guide rod 24, a first double-lug connecting plate 25, a second double-lug connecting plate 26 and an electric telescopic rod 27; a work platform 28, a separated liquid sedimentation tank 29, and a transfer pump 30; a mixing conveying pipe 31, a mixing box 32, a second auger 33, a mixing tank 34, a second discharger 35, a third discharger 36, a roller 37, a baffle 38 and a rubber guard 39; conveyor line 40, cartridge 41, shoe 42, support column 4201, sagger 43; a spreading part 44, a connecting rod 45; a first guide rail 46, a first screw 47, a third drive motor 48, a t-shaped seat 49; a vertically driving telescopic rod 50, a second guide rod 51, a connecting seat 52 and a shaft support 53; a second screw 54, a second guide rail 55, a traverse support plate 56, and a fourth drive motor 57; a third screw 58, a third guide rail 59, a fifth driving motor 60, a traversing seat 61, an L-shaped connecting rod 62, a semicircular connecting rod 63 and a semi-elliptical spreading part 64; a second bracket 65, a third bracket 66, and a base 67.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In order to solve the problem that when the existing spiral solid-liquid separator is used for carrying out solid-liquid separation on slurry, a cylindrical filter screen is easy to block, so that the separation efficiency is reduced, the embodiment of the invention firstly provides a separation device, and referring to fig. 1 and 2, the device comprises a spiral solid-liquid separator 1, the spiral solid-liquid separator 1 comprises a cuboid shell 2, the left end and the right end of the shell 2 are blocked by square end plates 3, and the inside of the shell 2 is divided into a left extrusion chamber and a right discharge chamber by a partition plate 4 parallel to the end plates 3; the center of the inside of the extrusion chamber is transversely provided with a filter screen cylinder 5, the left side end of the filter screen cylinder 5 is fixedly connected to the left end plate, and the right side end of the filter screen cylinder 5 is fixedly connected to the partition plate 4; the filter screen cylinder 5 is provided with an upward feed inlet near the left end plate 3, and a feed pipe 6 extending upward is connected to the feed inlet, and the feed pipe 6 passes through the through hole in the shell 2 upward and extends to the outer side of the shell 2. As shown in fig. 3, the right side end of the filter screen cylinder 5 is a discharge port, and the partition plate 4 is provided with a through hole communicated with the discharge port. As shown in fig. 2, the screen cylinder 5 is cylindrical or truncated cone-shaped; when the filter screen cylinder 5 is in a truncated cone shape, the diameter of the feeding end is large, and the diameter of the discharging end is small; the diameter of the screen cylinder 5 shown in fig. 2 on the left is large and the diameter on the right is small, and the diameter of the screen cylinder 5 gradually decreases from left to right in the axial direction.
As shown in fig. 4, a first auger 7 is coaxially arranged in the filter screen cylinder 5, and the first auger 7 is composed of a first auger shaft and a spiral blade; one end of the first auger shaft penetrates through the end plate 3 to be connected with a first driving motor 8; the other end of the first auger shaft sequentially passes through a through hole in the center of the partition plate 4, the discharging cavity and the right end plate 3, and is then connected to a bearing seat outside the right end plate 3. A discharge gap is reserved between the through hole in the center of the partition plate 4 and the first auger shaft. The helical blade is arranged on the first auger shaft of the extrusion chamber, and the helical blade extends to the through hole of the partition plate 4. The helical blades may be equidistant helical blades or pitch-changing helical blades, and when pitch-changing helical blades are used, the pitch gradually becomes smaller from the feed end to the discharge end in the axial direction.
As shown in fig. 3, a plugging device and a receiving hopper 9 are arranged in the discharging cavity, and the plugging device is used for plugging the discharging port in the extrusion solid-liquid separation process; when discharging, the blocking device is opened, and the materials in the discharging port are discharged and fall into the receiving hopper 9. In one embodiment of the invention, the plugging device comprises a plug 10 and a telescopic driver 11, and the telescopic driver 11 drives the plug 10 to move along the first auger shaft so as to plug the discharge hole. Specifically, the plug 10 is cylindrical or round table-shaped, and can be made of rubber; the plugs 10 are sleeved on the first auger shafts in a sliding manner and can move along the first auger shafts, the surfaces of the plugs 10, facing the right end plates 3, are connected to the double-lug support plates 12, and lugs extend from two sides of the double-lug support plates 12; the telescopic drivers 11 can adopt electric cylinders or oil cylinders or air cylinders, and the two telescopic drivers 11 are symmetrically arranged on two sides of the first auger shaft and are parallel to the first auger shaft; one end of the telescopic actuator 11 is connected to the right end plate 3, and the other end is connected to the ears of the binaural support plate 12. The receiving hopper 9 is arranged on the partition board 4 and is positioned below the discharge hole. As shown in fig. 2, a first discharging hopper 13 is arranged below the receiving hopper 9, and a first discharger 14 is arranged at a discharging hole at the bottom of the first discharging hopper 13.
Further, as shown in fig. 2, a liquid collecting tank 15 is coaxially arranged in the extrusion chamber below the filter screen cylinder 5, in one embodiment of the present invention, the cross section of the liquid collecting tank 15 is semicircular, one end of the liquid collecting tank 15 is connected to the left end plate 3, and the other end of the liquid collecting tank 15 is connected to the partition plate 4. The liquid collecting tank 15 is provided with a first liquid discharge pipe 16 facing downwards.
In order to solve the problem that the filter screen cylinder 5 is easy to be blocked, a cleaning mechanism is arranged outside the filter screen cylinder 5, the cleaning mechanism comprises a cleaning part 17 capable of rotating around the outer wall of the filter screen cylinder 5, and a second driving mechanism 18 for driving the cleaning part 17 to rotate, and the cleaning part 17 cleans meshes of the filter screen cylinder 5 in the rotating process.
In one embodiment of the present invention, as shown in fig. 5, the cleaning portion 17 includes an elongated support plate 1701, and a surface of the elongated support plate 1701 facing the screen cylinder 5 is provided with a cleaning body 1702 (as shown in fig. 6) formed by fiber clusters that scrape the pores of the screen cylinder 5 during rotation, so as to clean plugs in the pores. As shown in fig. 5, the left side end of the elongated support plate 1701 is connected to the first rotating ring 19, and the right side end of the elongated support plate 1701 is connected to the second rotating ring 20; the first rotating ring 19 is rotatably sleeved at the left side end of the filter screen cylinder 5, and the first rotating ring 19 is connected with the second driving mechanism 18; the second rotating ring 20 is rotatably sleeved at the right side end of the filter screen cylinder 5. In one embodiment of the present invention, the outer ring surface of the first rotating ring 19 is provided with a belt groove, the second driving mechanism 18 adopts a belt transmission mechanism, and comprises a driving belt 1801 and a second driving motor 1802, a driving belt wheel is installed on the driving shaft of the second driving motor 1802, and the driving belt wheel is connected with the first rotating ring 19 through the driving belt 1801. Of course, the second driving mechanism 18 may also be a chain transmission mechanism, in which case, the first rotating ring 19 adopts a driven sprocket, and the driving sprocket is mounted on the driving shaft of the second driving motor 1802, and the driven sprocket and the driving sprocket are connected by a chain. Of course, the second driving mechanism 18 of the present invention may also adopt other driving structures, which are not limited in this respect.
Further, in the above-mentioned scheme, the cleaning mechanism can only do reciprocating rotation movement with non-full circumference due to the blocking of the feeding pipe 6, and the periphery of the feeding pipe 6 cannot be cleaned. To this end, the invention further provides the following improvements.
As shown in fig. 7, the feeding pipe 6 passes through the through hole in the shell 2 upwards and extends to the outer side of the shell 2, a sliding sleeve 21 is arranged at the through hole in the shell 2, and the feeding pipe 6 can slide up and down in the sliding sleeve 21; the upper end of the feed pipe 6 is connected with an expansion joint 22, and the length of the expansion joint 22 is variable; the upper end of the expansion joint 22 is connected with a second connecting pipe 23, and the second connecting pipe 23 is fixed on the shell 2 through a first bracket. The feeding pipe 6 is connected by an adjusting mechanism so as to be capable of moving up and down. The adjusting mechanism adjusts the feeding tube 6 to move upward to be separated from the feeding port of the screen cylinder 5 by a distance so that the cleaning part 17 can pass through the lower part thereof to perform a full rotation. And after the cleaning is finished, the regulating mechanism regulates the feeding pipe 6 to move downwards to be connected with the feeding hole of the filter screen cylinder 5.
In one embodiment of the invention, the first bracket comprises two first guide rods 24 symmetrically arranged at two sides of the feeding pipe 6, the first guide rods 24 adopt threaded rods, and the top ends of the first guide rods 24 are connected with the second connecting pipes 23 through first double-lug connecting plates 25; specifically, a through hole is arranged in the center of the first double-lug connecting plate 25, and two sides of the through hole extend out of the lug; the first double-lug connecting plate 25 is sleeved on the second connecting pipe 23 and fixedly connected with the second connecting pipe, and the ears on two sides of the first double-lug connecting plate 25 are sleeved on the first guide rod 24 and clamped and fixed by two nuts. The feeding pipe 6 is sleeved with a second double-lug connecting plate 26, and the structure of the second double-lug connecting plate 26 is the same as that of the first double-lug connecting plate 25; the second double-lug connection plate 26 is fixedly connected with the feeding pipe 6, the ears on two sides of the second double-lug connection plate 26 are sleeved on the first guide rod 24 and clamped and fixed by two nuts, and the position of the feeding pipe 6 is controlled by adjusting the two nuts.
The two nuts are clumsy as adjusting mechanisms. The present invention further provides an improved adjustment mechanism therefor; as shown in fig. 8, a second double-lug connecting plate 26 is fixedly connected with the feeding pipe 6, lugs on two sides of the second double-lug connecting plate 26 are sleeved on a first guide rod 24, and a polished rod is arranged in the middle of the first guide rod 24 and is not threaded; the second lug connection plate 26 is slidable up and down along the first guide bar 24; an electric telescopic rod 27 is arranged between the second double-lug connecting plate 26 and the first double-lug connecting plate 25, and the second double-lug connecting plate 26 is pulled up or down through the electric telescopic rod 27.
The working flow of the separation device of the invention is as follows: slurry is fed into the filter screen cylinder 5 through the feed pipe 6, the first driving motor 8 drives the spiral blade to rotate through the first auger shaft, and the slurry is conveyed backwards under the action of the first auger 7 which rotates and is extruded. The extruded water falls into the liquid collecting tank 15 through the filter screen cylinder 5 and is discharged through the first liquid discharge pipe 16. The extruded solid material is conveyed to a discharge hole at the tail end of the first auger 7, when the extruded solid material is extruded to a certain pressure value, the plugging device is opened to discharge, the solid material falls into a first discharge hopper 13 below through a receiving hopper 9 to be stored, and quantitative discharge is carried out through a first discharge device 14 at the bottom.
Referring to fig. 9 and 10, an embodiment of the present invention further provides a separation system for implementing the integrated treatment of slurry. The separation system uses the two sets of separation devices, the two sets of separation devices are arranged on the operation platform 28 in parallel, and the separation system also comprises a separation liquid sedimentation tank 29, a mixing device and a batching device; the spiral solid-liquid separator 1 is used for carrying out solid-liquid separation on slurry, the separated liquid is sent into the separation liquid precipitation box 29 for standing precipitation, the separated solid materials are sent into the mixing device for material mixing, and the mixed materials are mixed through the batching device. The specific construction of each functional module is described in detail below.
As shown in fig. 11, a separation liquid settling tank 29 is disposed below the working platform 28, the top of the separation liquid settling tank 29 is respectively connected with the first liquid discharge pipes 16 of the two spiral solid-liquid separators 1 through two pipelines, and the separated liquid is sent into the separation liquid settling tank 29 for standing and settling, and the supernatant is pumped out through a conveying pump 30 for use.
As shown in fig. 12 and 13, a first discharge hopper 13 at the bottom of two spiral solid-liquid separators 1 is connected to a mixing device, and the mixing device comprises a mixing conveying pipe 31 and a mixing box 32; two sides of the mixing conveying pipe 31 are horizontally erected through a second bracket 65, two second augers 33 are oppositely arranged in the mixing conveying pipe 31, the two second augers 33 are respectively connected with one driving motor at two sides of the mixing conveying pipe 31, a discharging gap is reserved between the two second augers 33, the mixing conveying pipe 31 forms a four-way structure at the middle discharging gap, the four-way structure is upwards connected with a mixing tank 34 through a mixing pipeline, and a second discharger 35 is arranged on the mixing pipeline; as shown in fig. 9, the compounding tank 34 is mounted on the work platform 28; the four-way structure is downwards communicated with the mixing box 32, the mixing box 32 is funnel-shaped, the upper part is big and the lower part is small, and the bottom of the mixing box 32 is provided with a third discharger 36.
The working flow of the mixing device is as follows: the two spiral solid-liquid separators 1 quantitatively convey the separated solid materials to two ends of a mixing conveying pipe 31 through a first discharger 14; the two second augers 33 push the materials entering the material mixing conveying pipe 31 to the middle four-way structure; the batching tank 34 feeds the batching to the four-way structure through the second discharger 35, the materials are mixed in the process of falling into the mixing tank 32, and the mixed materials are quantitatively discharged through the third discharger 36 for batching.
Further, as shown in fig. 14, a mixing mechanism is arranged in the mixing box 32 and right below the four-way structure, and the mixing mechanism comprises two rollers 37 which are arranged in parallel and have opposite rotation directions, and as shown in fig. 14, the left roller rotates anticlockwise and the right roller rotates clockwise; the two rollers are circumferentially provided with a plurality of rows of baffles 38, and each row of baffles 38 is formed by arranging a plurality of spaced baffles 38; the baffles 38 on the left and right rollers 37 are staggered (as shown in fig. 15).
The working principle of the mixing mechanism is as follows: the falling material is broken up against the rotating baffles 38 and is thrown out to the left and right, and the material bounces against the inner wall of the mixing box 32, and then slides down the inner wall of the mixing box 32 to the bottom to finish mixing. As shown in fig. 14, the left and right corners of the mixing box 32 may be further provided with arc-shaped rubber guard plates 39, which function to improve the repulsive force.
As shown in fig. 12, a batching device is provided directly below the mix conveying pipe 31, and the batching device includes a conveying line 40 and a receiving jig. As shown in fig. 16, in a specific embodiment of the present invention, a chain plate conveyor is adopted as a conveying line 40, two opposite clamping seats 41 are arranged on a chain plate of the chain plate conveyor, and trapezoidal clamping grooves are arranged on the clamping seats 41; two adjacent chain plates can be provided with a material receiving jig. As shown in fig. 17, the receiving fixture includes a bottom support 42 and a sagger 43, the bottom support 42 is a cuboid-shaped housing, the top of the bottom support is open, two support columns 4201 are respectively disposed on two sides of the bottom support 42, and four support columns 4201 can be clamped on four clamping seats 41 on two adjacent chain plates. The sagger 43 is a cuboid casing with an opening at the top; the sagger 43 is placed in the shoe 42. The receiving jig is sent to the position right below the third discharger 36 through a conveying line 40 for receiving.
The mixture falls into the sagger 43 to form a stack, the middle of the stack is high, the periphery is low, and the thickness of the spread material is uneven. For this purpose, in the system of the present invention, as shown in fig. 18 and 19, a spreading device is further provided, and the spreading device is erected on the conveying line 40 through a third bracket 66, where the spreading device includes a two-axis moving module and a spreading component, the two-axis moving module includes a first traversing module and a first vertical moving module, the first traversing module is installed on the third bracket 66, and the first traversing module is installed on the first vertical moving module; the first sideslip module is used for driving the first vertical movement module to move left and right, installs the shop material subassembly on the first vertical movement module, and first vertical movement module is used for driving the shop material subassembly to reciprocate.
As shown in fig. 20, which is a structural display diagram of a pavement assembly according to the present invention, the pavement assembly includes a pavement portion 44 and a connecting rod 45, wherein the bottom end of the connecting rod 45 is connected with the pavement portion 44, the cross section of the pavement portion 44 is elliptical, the middle is thick, and both sides are gradually thinner; the bottom of the paver 44 is toothed. The width of the spreading portion 44 is slightly smaller than the width of the internal cavity of the sagger 43.
Referring to fig. 18, the working principle of the spreading device of the present invention is as follows: the spreading component moves to the center above the sagger 43 through the first transverse moving module, then downwards moves through the first vertical moving module to enable the spreading part 44 to be inserted into the middle of the highest part of the middle of the stacking of the sagger 43, and then leftwards moves to spread and spread the intermediate materials leftwards; because the cross section of the spreading portion 44 is elliptical, the middle is thick, the two sides are gradually thinned, and the material is spread to the front and rear sides in the process of spreading the material leftwards, so that the material is spread more uniformly and flatly. The paver portion 44 is then moved to the right for paving. The first vertical movement module drives the paver portion 44 upward away from the sagger 43 after the paver is completed.
Referring to fig. 18 and 19, in one embodiment of the present invention, the two-axis movement module includes a first traverse module and a first vertical movement module, and the first traverse module is mounted on the third bracket 66. Specifically, the third bracket 66 includes two parallel door-shaped brackets, which are erected on the conveying line 40; a base 67 is installed above the door-shaped bracket. As shown in fig. 19, a first guide rail 46 is provided on the front side of the base 67, a first screw 47 is provided in parallel to the rear side of the first guide rail 46, one end of the first screw 47 is connected to a third drive motor 48 via a timing belt mechanism, and the first screw 47 is driven to rotate in forward and reverse directions by the third drive motor 48. A first screw 47 and a T-shaped seat 49 movably connected above the first guide rail 46; specifically, the T-shaped seat 49 is composed of a horizontal support plate and a vertical support plate, the lower surface of the horizontal support plate is connected with the first screw rod 47 through a nut, and meanwhile, the lower surface of the horizontal support plate is connected with the first guide rail 46 through a slide block; the vertical support plate is perpendicular to the base 67 installed above the door-type bracket and is located at the front side of the base 67. The T-shaped seat 49 is driven to move left and right by the third driving motor 48.
As shown in fig. 18, a first vertical movement module is arranged in front of the vertical support plate, the first vertical movement module comprises a vertical driving telescopic rod 50 and two second guide rods 51 arranged on two sides, the bottom end of the vertical driving telescopic rod 50 is connected with a connecting seat 52, two sides of the upper surface of the connecting seat 52 are respectively connected with one second guide rod 51, and the second guide rods 51 upwards penetrate through shaft supports 53 on the vertical support plate. The lower surface of the connecting seat 52 is connected with the paving material assembly.
Further, as shown in fig. 21 and 22, the improved spreading device provided by the invention has the main difference with the spreading device that two spreading components are arranged, and can spread materials from the highest position in the middle of the stacking to the left and right sides at the same time, so that the spreading speed is improved. Specifically, the improved spreading device comprises a second transverse moving module, a second vertical moving module, two side transverse moving modules and two spreading components; as shown in fig. 22, the second traversing module has the same structure as the first traversing module, and the second vertical moving module has a different structure from the first vertical moving module. Specifically, as shown in fig. 21, the second vertical movement module includes a second screw 54 and a second guide rail 55 provided in front of the vertical support plate; the second screw rod 54 and the second guide rail 55 are vertically installed, and the front sides of the second screw rod 54 and the second guide rail are movably connected with the transverse moving supporting plate 56. Specifically, the upper end of the second screw is connected to the fourth driving motor 57 through a timing belt mechanism, and the fourth driving motor 57 drives the second screw to rotate in the forward and reverse directions. The second lead screw is connected with the back surface of the transverse support plate 56 through a nut, and the back surface of the transverse support plate 56 is connected with the second guide rail 55 through a sliding block; the traversing support plate 56 is driven to move up and down by a fourth driving motor 57.
As shown in fig. 21, a lateral movement module is provided in front of the lateral movement support plate 56, the lateral movement module includes a third screw rod 58 and a third guide rail 59 which are provided laterally, wherein threads with opposite spiral directions are provided on the third screw rod 58 in bilateral symmetry, a right side end of the third screw rod 58 is connected to a fifth driving motor 60 through a timing belt mechanism, and the third screw rod is driven to rotate in forward and reverse directions by the fifth driving motor 60. The front sides of the third screw rod 58 and the third guide rail 59 are movably connected with two spreading components, the two spreading components are bilaterally symmetrical, and each spreading component comprises a transverse moving seat 61, an L-shaped connecting rod 62, a semicircular connecting rod 63 and a semi-elliptical spreading part 64; the back of the traversing seat 61 is connected to the third screw rod 58 through a nut and is connected to the third guide rail 59 through a slide block; an L-shaped connecting rod 62 is arranged in front of the traversing seat 61, a semicircular connecting rod 63 with a semicircular cross section is connected to the L-shaped connecting rod 62, a semi-elliptical spreading part 64 with a semi-elliptical cross section is connected to the bottom end of the semicircular connecting rod 63, and when the two semi-elliptical spreading parts 64 are positioned in the middle of the third screw rod 58, a spreading part with an elliptical cross section can be spliced.
The working principle of the improved spreading device is as follows: the spreading component moves to the center above the sagger 43 through the second transverse moving module, then the spreading component moves downwards through the second vertical moving module to enable the spreading component 44 to be inserted into the middle of the highest position of the middle of the stacking of the sagger 43, and then the two lateral moving modules drive the two semi-elliptic spreading components 64 to move to the two sides simultaneously to spread and spread the middle materials to the left and the right sides; the second vertical movement module drives the paver portion 44 upward away from the sagger 43 after the paving is completed.
Further, the present invention provides a method for preparing a rare earth-based ultraviolet shielding material using the above system, the method comprising the steps of: adding a surface modifier (such as polyvinyl alcohol) into hot water at 70-90 ℃ for stirring and dissolving, adding cerium carbonate and stirring to prepare mixed slurry, sending the slurry into a spiral solid-liquid separator 1 for solid-liquid separation to obtain a solid material and a separation liquid, sending the separation liquid into a separation liquid precipitation tank 29 for standing precipitation, sending the separated solid material into a mixing device, adding sodium acetate for material mixing, and loading the mixed material into a sagger 43 through a batching device for batching, and then drying, calcining, cooling, crushing and screening the mixture to obtain a product.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The separating device is characterized by comprising a spiral solid-liquid separator (1), wherein the spiral solid-liquid separator (1) comprises a shell (2), two ends of the shell (2) are plugged by end plates (3), and the inside of the shell (2) is divided into an extrusion chamber and a discharge chamber by a partition plate (4); a filter screen cylinder (5) is arranged in the extrusion chamber; an upward feeding hole is formed in the filter screen cylinder (5), a feeding pipe (6) extending upwards is connected to the feeding hole, and the feeding pipe (6) penetrates through a through hole in the shell (2) upwards and extends to the outer side of the shell (2); one end of the filter screen cylinder (5) is a discharge hole, and a through hole communicated with the discharge hole is formed in the partition plate (4); a first auger (7) is coaxially arranged in the filter screen cylinder (5); the cleaning mechanism is arranged outside the filter screen cylinder (5), and comprises a cleaning part (17) capable of rotating around the outer wall of the filter screen cylinder (5) and a second driving mechanism (18) for driving the cleaning part (17) to rotate, and the cleaning part (17) cleans meshes of the filter screen cylinder (5) in the rotating process.
2. The separating device according to claim 1, characterized in that the cleaning portion (17) comprises an elongated support plate (1701), the surface of the elongated support plate (1701) facing the screen cylinder (5) being provided with cleaning bodies (1702) formed of clusters of fibers.
3. A separating device as claimed in claim 2, characterized in that one end of the elongated support plate (1701) is connected to the first rotating ring (19) and the other end of the elongated support plate (1701) is connected to the second rotating ring (20); the first rotating ring (19) is rotatably sleeved at one end of the filter screen cylinder (5), and the first rotating ring (19) is connected with the second driving mechanism (18); the second rotating ring (20) is rotatably sleeved at the other end of the filter screen cylinder (5); the second driving mechanism (18) is a belt transmission mechanism or a chain transmission mechanism.
4. The separation device according to claim 1, characterized in that the upper end of the feed pipe (6) is connected with an expansion joint (22), the length of the expansion joint (22) being variable; the upper end of the expansion joint (22) is connected with a second connecting pipe (23), and the second connecting pipe (23) is fixed on the shell (2) through a first bracket; the feeding pipe (6) is connected through the adjusting mechanism, so that the feeding pipe can move up and down.
5. The separating device according to claim 1, characterized in that the first auger (7) consists of a first auger shaft and a helical blade; one end of the first auger shaft penetrates through the end plate (3) to be connected with the first driving motor (8), and the other end of the first auger shaft sequentially penetrates through a through hole in the center of the partition plate (4), the discharging cavity and the other end plate (3) and is then connected to a bearing seat outside the end plate (3); a discharging gap is reserved between a through hole in the center of the partition plate (4) and the shaft of the first auger (7); the helical blade is arranged on the shaft of a first auger (7) of the extrusion chamber, and the helical blade extends to the through hole of the partition plate (4).
6. The separating device according to claim 5, wherein a plugging device and a receiving hopper (9) are arranged in the discharging cavity, the plugging device comprises a plug (10) and a telescopic driver (11), and the telescopic driver (11) drives the plug (10) to move along the shaft of the first auger (7) so as to plug the discharging hole; the receiving hopper (9) is arranged on the partition board (4) and is positioned below the discharge hole; a first discharging hopper (13) is arranged below the receiving hopper (9), and a first discharger (14) is arranged at a discharging hole at the bottom of the first discharging hopper (13).
7. A separating device as claimed in claim 1, characterized in that a sump (15) is arranged coaxially in the extrusion chamber below the screen cylinder (5), and in that a first drain (16) is arranged downwards on the sump (15).
8. The separation system is characterized by comprising the separation device according to claim 6, and further comprising a mixing device, wherein the mixing device comprises a mixing conveying pipe (31) and a mixing box (32), two sides of the mixing conveying pipe (31) are horizontally erected through second supports (65), two second augers (33) are oppositely arranged in the mixing conveying pipe (31), the two second augers (33) are respectively connected with a driving motor at two sides of the mixing conveying pipe (31), a discharging gap is reserved between the two second augers (33), the mixing conveying pipe (31) forms a four-way structure at the middle discharging gap, the middle of the four-way structure is upwards connected with a mixing tank (34) through a mixing pipeline, and a second discharger (35) is arranged on the mixing pipeline; the four-way structure is downwards communicated with a mixing box (32), and a third discharger (36) is arranged at the bottom of the mixing box (32); the two sides of the material mixing conveying pipe (31) are upwards connected with the first discharger (14).
9. The separation system according to claim 8, further comprising a batching device comprising a conveyor line (40) and a receiving jig, the conveyor line (40) being adapted to transport the receiving jig under the third discharger (36), the receiving jig comprising a collet (42) and a sagger (43), the collet (42) being a cuboid-shaped housing, the top of which is open; the sagger (43) is a cuboid shell, and the top of the sagger is opened; the sagger (43) is placed in the bottom bracket (42).
10. A method for producing a rare earth-based ultraviolet shielding material, characterized by using the separation system according to claim 9, comprising the steps of: adding the surface modifier into hot water at 70-90 ℃ for stirring and dissolving, then adding cerium carbonate for stirring to prepare mixed slurry, sending the slurry into a spiral solid-liquid separator (1) for solid-liquid separation to obtain solid materials and separation liquid, sending the separated solid materials into a mixing device, adding sodium acetate for material mixing, mixing the mixed materials into a sagger (43) through a mixing device, and then drying, calcining, cooling, crushing and screening the mixed materials to obtain the product.
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| CN117839318B (en) | 2024-05-17 |
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