CN115978959A - Vertical sieve leakage type lithium aluminum hydride drying device - Google Patents
Vertical sieve leakage type lithium aluminum hydride drying device Download PDFInfo
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- CN115978959A CN115978959A CN202310282935.2A CN202310282935A CN115978959A CN 115978959 A CN115978959 A CN 115978959A CN 202310282935 A CN202310282935 A CN 202310282935A CN 115978959 A CN115978959 A CN 115978959A
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- 239000012280 lithium aluminium hydride Substances 0.000 title claims abstract description 88
- -1 lithium aluminum hydride Chemical compound 0.000 title claims abstract description 78
- 238000001035 drying Methods 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 42
- 238000007599 discharging Methods 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- FCVHBUFELUXTLR-UHFFFAOYSA-N [Li].[AlH3] Chemical compound [Li].[AlH3] FCVHBUFELUXTLR-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
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- 239000002245 particle Substances 0.000 description 3
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- 239000011343 solid material Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a vertical screening type lithium aluminum hydride drying device, which relates to the technical field of lithium aluminum hydride drying devices and comprises a shell, a plurality of screens, a plurality of heating units, a vibration mechanism and a screen frame, wherein the screens, the heating units, the vibration mechanism and the screen frame are arranged in the shell, the screen frame is in transmission connection with the vibration mechanism, the screen frame is driven by the vibration mechanism to vibrate in the vertical direction, the screens are fixed on the screen frame, the heating units are arranged below each screen, screen holes of the screens are smaller than lithium aluminum hydride crystals, the surfaces of the screens have slopes with the height reduced to the edge positions, the screens are arranged at intervals in the height, and the edge of the previous screen is positioned above the middle part of the next screen. The heat emitted by the heating unit is directly acted on the lithium aluminum hydride after passing through the sieve pores after rising, so that the heat exchange efficiency is better, and the heat energy utilization is more ideal; the single lithium aluminum hydride can not fall from the screen holes and can only move slowly from high to low along the inclined plane, so that the lithium aluminum hydride stays on the lower screen for a longer time, and the drying time is prolonged.
Description
Technical Field
The invention relates to the technical field of lithium aluminum hydride drying devices, in particular to a vertical screening type lithium aluminum hydride drying device.
Background
Lithium aluminum hydride is an inorganic compound existing in a crystal state, belongs to a salt-like hydride, has a very high melting point, is thermally stable, has thermal conductivity which is reduced along with the rise of temperature, can be used as a condensing agent, a reducing agent, an alkylating reagent, a drying agent and the like, and is a very important material in chemical production organic synthesis; lithium aluminum hydride is combustible, reacts violently with water to generate corrosive lithium hydroxide and hydrogen, can stably exist in dry air at normal temperature, and can spontaneously combust in humid air, so that the lithium aluminum hydride needs to be dried and dehumidified thoroughly to inhibit the danger and keep a stable state.
A screen type lithium aluminum hydride drying device is commonly used for drying lithium aluminum hydride, for example, a certain screen type lithium aluminum hydride drying device on the market comprises a drying cabin, four drying heaters, three screen leakage mechanisms and a controller, wherein each screen leakage mechanism comprises two traction moving rods, a screen leakage frame, a screen, a traction driver, a traction positioning ring and a limit baffle; wholly adopt perpendicular straight tube structural design, cooperation multilayer horizontal swinging sifts hourglass mechanism, comes to sift hourglass to the successive layer of lithium aluminium hydride solid material, sifts hourglass mechanism and is the crisscross structure of placing of stack with the stoving mechanism, can realize the limit of lithium aluminium hydride solid material sifts hourglass limit stoving operation for lithium aluminium hydride solid material lets the heat can act on the material after scattering when scattering the sieve hourglass, avoids piling up the poor problem of stoving effect. However, this type of lithium aluminum hydride drying device has the following disadvantages: 1. the first layer of screen mesh scatters the lithium aluminum hydride piled on the first layer of screen mesh, the scattered lithium aluminum hydride (in the form of single crystal particles or crystalline powder) falls from the screen mesh onto the next layer of screen mesh, at the moment, the lithium aluminum hydride does not pile up any more and passes through the layer of screen mesh very quickly, the shorter the lithium aluminum hydride stays on the lower screen mesh, and the shorter the total drying time of the lithium aluminum hydride in the drying cabin is caused; 2. drying heater adopts two mirror image distributing type resistance wire heating device of group, its two mirror image distributing type resistance wire heating device of group are located the inside position department that is close to two lateral walls in stoving cabin respectively, and the screen cloth is in the middle part in stoving cabin, lead to resistance wire heating device and be located the aluminium hydride lithium on the screen cloth to have a certain distance, and the heat that resistance wire heating device distributed out has ascending trend, the aluminium hydride lithium that is in the oblique top of resistance wire heating device is not on the heat ascending route, lead to heat energy utilization unsatisfactory, aluminium hydride lithium's heat transfer effect is poor.
Therefore, a sieve-drain type lithium aluminum hydride drying device capable of prolonging the retention time (drying time) of lithium aluminum hydride in the drying chamber and improving the heat exchange efficiency of lithium aluminum hydride is needed.
Disclosure of Invention
Therefore, the invention provides a vertical-screening-type lithium aluminum hydride drying device, which aims to solve the technical problems that in the prior art, the lithium aluminum hydride has short retention time (drying time) in a drying cabin, the heat energy utilization is not ideal, and the heat exchange effect is poor.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a perpendicular sieve leaks formula lithium aluminum hydride drying device, include a casing, set up in a plurality of screen cloth in the casing, set up in a plurality of units that generate heat in the casing, a vibration mechanism and with a bank of screens that the drive of vibration mechanism is connected, the bank of screens is in the vibration of being the vertical direction under the drive of vibration mechanism, the screen cloth is fixed in bank of screens and every all be equipped with under the screen cloth the unit that generates heat, the sieve mesh of screen cloth is less than lithium aluminum hydride crystal just the surface of screen cloth has the slope to the edge position height reduction, and is a plurality of the screen cloth is at high interval setting and last one the edge of screen cloth is located next the middle part top of screen cloth.
Furthermore, the screen cloth is divided into a disc screen cloth and an annular screen cloth, the screen surface of the disc screen cloth is an inclined plane with a high middle part and a low edge, the screen surface of the annular screen cloth is an inclined plane with a high outer edge and a low inner edge, and the disc screen cloth and the annular screen cloth are alternately arranged in height.
Further, a feed inlet is formed in the top of the shell, and the disc-shaped screen is arranged below the feed inlet.
Further, there are 3 each of the disk-shaped screen and the annular screen.
Furthermore, the screen frame includes a plurality of standpipe, violently manages and a bottom plate, a plurality of standpipe interval sets up, violently the pipe connection is in adjacent the bottom of standpipe, the bottom plate sets up violently the pipe is last, the surface of bottom plate is the middle high, the low inclined plane in edge, the screen cloth is fixed in on the standpipe.
Further, the drying device further comprises a controller, the controller is arranged on the side portion of the shell and connected with the heating unit through electric wires, and the electric wires penetrate through the vertical tube and the transverse tube.
Further, vibration mechanism includes drain pan, motor, driving gear, driven gear, pivot and eccentric wheel, the drain pan sets up bottom in the casing, the top of drain pan is equipped with the window, the motor is fixed in the drain pan and with the controller electricity is connected, the driving gear is fixed the axle head of motor, driven gear is fixed in the pivot and with the driving gear meshing, the number of teeth of driving gear is less than the number of teeth of driven gear, the pivot rotationally connect in the drain pan, the eccentric wheel is fixed in the pivot and be located window department, the bottom below of bank of screens is equipped with a kicking block, the kicking block with the rim looks butt of eccentric wheel.
Further, drying device still includes the play flitch, the lateral wall bottom of casing is equipped with the discharge gate, it sets up to go out the flitch slope bottom in the casing just the drain pan is followed the middle part of going out the flitch is worn out, the low side of going out the flitch is followed the discharge gate stretches out outside the casing.
Furthermore, drying device still includes a plurality of sliding sleeves and bracing piece, the sliding sleeve slip cap is located on the standpipe, the one end of bracing piece with the sliding sleeve is connected, the other end with the inner wall of casing is connected.
Further, the heating unit is an electric heating pipe.
The invention has the following advantages:
lithium aluminium hydride falls on the screen cloth of top layer (probably there is piling up), under the drive of vibration mechanism, bank of screens and screen cloth synchronous oscillation, lithium aluminium hydride is broken up, the heat that the unit that generates heat sent sees through and carries out the heat transfer with lithium aluminium hydride on the screen cloth from the sieve mesh, dry lithium aluminium hydride, because the screen cloth has the inclined plane, can make lithium aluminium hydride move slowly towards lower edge when vibrating, finally lithium aluminium hydride falls to next screen cloth from the screen cloth edge and is continued to be dried, so carry out many times and dry, until drying lithium aluminium hydride. Compared with the prior sieve-drain type lithium aluminum hydride drying device, the drying device has the following advantages: 1. a heating unit is arranged below each screen mesh, and heat emitted by the heating unit is directly acted on the lithium aluminum hydride after penetrating through the screen mesh after rising, so that the heat energy is more ideally utilized, and the heat exchange efficiency is better; 2. the single lithium aluminum hydride (crystal) particles cannot fall from the screen holes, but only can slowly move from high to low along the inclined plane in the vibration process, so that the lithium aluminum hydride stays on the lower screen for a longer time, and the drying time is prolonged.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
Fig. 1 is a schematic structural diagram of a vertical sieve-drain lithium aluminum hydride drying device provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a step distribution diagram of a screen of a vertical screen-drain lithium aluminum hydride drying device according to an embodiment of the present invention;
fig. 4 is a zipper-type distribution diagram of a screen of a vertical-screening lithium aluminum hydride drying device according to an embodiment of the present invention.
In the figure: 1-shell, 2-sieve frame, 3-sieve, 4-heating unit, 5-discharging plate, 6-sliding sleeve, 7-supporting rod, 8-controller, 9-bottom shell, 10-motor, 11-driving gear, 12-driven gear, 13-rotating shaft, 14-eccentric wheel, 15-top block, 16-disc sieve, 17-ring sieve and 18-feeding hole.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
As shown in fig. 1, the embodiment provides a vertical sieve leakage type lithium aluminum hydride drying device, which comprises a casing 1, a plurality of sieves 3, a plurality of heating units 4, a vibration mechanism and a sieve frame 2. The screen cloth 3, the heating unit 4, the vibration mechanism and the screen frame 2 are all arranged in the shell 1. The screen frame 2 is in transmission connection with the vibration mechanism and is driven by the vibration mechanism to vibrate in the vertical direction. The screen cloth 3 is fixed in the screen frame 2 and all is equipped with the heating unit 4 under every screen cloth 3. The mesh of the screen 3 is smaller than the lithium aluminum hydride crystal and the surface of the screen 3 has a slope in which the height decreases to the edge position, a plurality of screens 3 are arranged at intervals in height and the edge of the previous screen 3 is located above the middle of the next screen 3.
The lithium aluminum hydride falls on the screen 3 at the top layer (accumulation is possible), under the drive of the vibrating mechanism, the screen frame 2 and the screen 3 vibrate synchronously, so that the lithium aluminum hydride jumps up and down on the screen 3, the lithium aluminum hydride can gradually move downwards on the inclined screen surface, the accumulated lithium aluminum hydride can be rapidly dispersed, heat emitted by the heating unit 4 penetrates through the screen holes to exchange heat with the lithium aluminum hydride on the screen 3, the lithium aluminum hydride is dried, the lithium aluminum hydride can move slowly towards the lower edge while vibrating due to the inclined surface of the screen 3 (the moving speed is related to the gradient of the inclined surface, the frequency and the amplitude of vibration, a worker or a designer can design related parameters as required, and each time of vibration, the lithium aluminum hydride moves n screen holes from the high direction to the low direction, n is a positive number and is at least 1), and finally the lithium aluminum hydride falls from the edge of the screen 3 to the next screen 3 and is continuously dried for multiple times until the lithium aluminum hydride is dried. Compared with the prior sieve-drain type lithium aluminum hydride drying device, the drying device has the following advantages: 1. the heating unit 4 is arranged below each screen 3, heat emitted by the heating unit 4 penetrates through the screen holes after rising and then directly acts on the lithium aluminum hydride, so that higher temperature can be brought to the lithium aluminum hydride on the screen 3, and hot air moves upwards due to heat generated from the bottom end of the screen 3, so that the lithium aluminum hydride on the bottom layer can be well dried, the heat energy utilization is more ideal, and the heat exchange efficiency is better; 2. the single lithium aluminum hydride (crystal) particles cannot fall from the screen holes, but only can slowly move from high to low along the inclined surface in the vibration process, so that the lithium aluminum hydride stays on the lower screen 3 for a longer time, and the drying time is prolonged.
In the present embodiment, the screen cloth 3 is divided into a disk screen cloth 16 and an annular screen cloth 17, the screen surface of the disk screen cloth 16 is an inclined surface with a high middle and a low edge, the screen surface of the annular screen cloth 17 is an inclined surface with a high outer edge and a low inner edge, and the disk screen cloth 16 and the annular screen cloth 17 are alternately arranged in height. The lower side of the disc-shaped screen 16 is provided with an annular screen 17, the lower side of the annular screen 17 is provided with the disc-shaped screen 16, the annular screen 17 can just catch the lithium aluminum hydride falling from the disc-shaped screen 16, and the disc-shaped screen 16 can just catch the lithium aluminum hydride falling from the annular screen 17; the top end of the disc-shaped screen 16 is highest, and the periphery of the disc-shaped screen 16 is inclined downwards, so that the lithium aluminum hydride falling on the disc-shaped screen 16 can move towards the periphery of the disc-shaped screen 16 during vibration, and the annular screen 17 can just catch the lithium aluminum hydride falling off from the disc-shaped screen 16; the maximum diameter of the annular screen 17 is the highest, and the minimum diameter of the annular screen 17 is inclined downwards, so that the lithium aluminum hydride falling on the annular screen 17 can move towards the inner side of the annular screen 17 when vibrating, and the disc-shaped screen 16 can just catch the lithium aluminum hydride falling off the annular screen 17; in this way, during the vibration process, lithium aluminum hydride can slowly move from the middle of the previous screen 3 to the edge and fall from the edge to the middle of the next screen 3, thereby realizing multi-stage drying. Alternatively, the screen 3 may adopt a stepped distribution (a stepped distribution including a zigzag staircase or a spiral staircase) as shown in fig. 3 or a zipper-type distribution as shown in fig. 4, where the stepped distribution means that the next screen 3 is on the same side as the previous screen 3, for example, as shown in fig. 3, the next screen 3 is on the left side of the previous screen 3; the zipper type distribution means that two rows of screens 3 are staggered with each other.
In the embodiment, a feed port 18 is arranged at the top of the shell 1, and a disc-shaped screen 16 is arranged below the feed port 18; typically, the feed inlet 18 is centrally located at the top of the housing 1, the screen frame 2 is located on the centre line within the housing 1 and the disc screen 16 is located on the centre line of the screen frame 2. Alternatively, the feed opening 18 is not arranged in the center of the top of the housing 1, and this design corresponds to the distribution of the screen 3 in fig. 3 or fig. 4.
In the present embodiment, the heating unit 4 is an electric heating tube, and other suitable heating devices, such as a hot air coil with a plurality of blowing nozzles, which are arranged upward, can be adopted.
In this embodiment, the drying apparatus further includes a controller 8, the controller 8 is disposed at a side portion of the casing 1, and the controller 8 is connected to the heat generating unit 4 through an electric wire; the bank of screens 2 includes a plurality of risers and violently manages, and a plurality of riser intervals set up, violently manage the bottom of connection at adjacent riser, and the electric wire is worn to locate the riser and is violently managed in to accomplish the wiring.
In this embodiment, the screen frame 2 further comprises a bottom plate, the bottom plate is arranged on the horizontal pipe, and the surface of the bottom plate is an inclined plane with a high middle part and a low edge; the disk screen 16 and the ring screen 17 are respectively provided with 3, because the disk screen 16 is the top, consequently the bottom is the ring screen 17, and the lithium aluminum hydride after the stoving falls and falls on the bottom plate middle part from the inward flange of the ring screen 17 of bottom, and under the vibration effect, the lithium aluminum hydride falls on ejection of compact board 5 from the edge of bottom plate, avoids the lithium aluminum hydride after the stoving to remain on the bottom plate, avoids the ejection of compact not clean.
In this embodiment, the drying device further includes a discharging plate 5, a discharging hole is formed in the bottom of the side wall of the casing 1, the discharging plate 5 is obliquely arranged at the bottom of the casing 1, the bottom shell 9 penetrates out of the middle of the discharging plate 5, and the lower end of the discharging plate 5 extends out of the casing 1 from the discharging hole. In this way, the lithium aluminum hydride shaken off from the bottom plate can be discharged from the discharge port along the inclined discharge plate 5. Optionally, a tapered material guiding structure may be disposed at a higher end of the bottom case 9 facing the discharging plate 5, so as to prevent lithium aluminum hydride from accumulating at the side of the bottom case 9; or, the bottom shell 9 is a cylindrical shell, so that the problem that lithium aluminum hydride is blocked by the bottom shell 9 and cannot be discharged can be effectively avoided.
In this embodiment, as shown in fig. 2, the vibration mechanism includes a bottom case 9, a motor 10, a driving gear 11, a driven gear 12, a rotating shaft 13 and an eccentric wheel 14, the bottom case 9 is disposed at the bottom of the housing 1, a window is disposed at the top of the bottom case 9, the motor 10 is fixed in the bottom case 9 and electrically connected to the controller 8, the driving gear 11 is fixed at an axial end of the motor 10, the driven gear 12 is fixed on the rotating shaft 13 and engaged with the driving gear 11, the rotating shaft 13 is rotatably connected in the bottom case 9, the eccentric wheel 14 is fixed on the rotating shaft 13 and located at the window, a top block 15 is disposed below the bottom of the sieve frame 2, and the top block 15 abuts against a rim of the eccentric wheel 14. After the motor 10 is started, the driven gear 12 is driven to rotate through the driving gear 11, and then the eccentric wheel 14 is driven to rotate through the rotating shaft 13, the eccentric wheel 14 acts as a cam, and the sieve frame 2 is driven to periodically lift through the top block 15, so that the sieve frame 2 and the sieve mesh 3 have vertical vibration capability. The number of teeth of the driving gear 11 is less than that of the driven gear 12, so that a force required for vibration can be secured. It should be noted that the vibrating mechanism may also take other forms, intended to cause the sieve frame 2 to vibrate up and down periodically.
In this embodiment, drying device still includes a plurality of sliding sleeves 6 and bracing piece 7, and on the standpipe was located to 6 sliding sleeves of sliding sleeve, the one end and the sliding sleeve 6 of bracing piece 7 were connected, and the other end and casing 1's inner wall connection. So, when vibration mechanism area bank of screens 2 vibrated, bracing piece 7 can guarantee through sliding sleeve 6 that the vibration of bank of screens 2 is not influenced, guarantees simultaneously that bank of screens 2 does not take place to topple.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a perpendicular sieve leaks formula lithium aluminum hydride drying device, include the casing with set up in a plurality of screen cloth and the unit that generates heat in the casing, a serial communication port, drying device still including set up in vibration mechanism in the casing and with the bank of screens that the transmission of vibration mechanism is connected, the bank of screens is in the vibration of being the vertical direction under vibration mechanism's the drive, the screen cloth is fixed in bank of screens and every all be equipped with under the screen cloth the unit that generates heat, the sieve mesh of screen cloth is less than lithium aluminum hydride crystal just the surface of screen cloth has the slope to the edge position height reduction, and is a plurality of the screen cloth sets up and last one at high interval the edge of screen cloth is located next the middle part top of screen cloth.
2. The vertical screen leakage type lithium aluminum hydride drying device of claim 1, wherein the screen mesh is divided into a disc-shaped screen mesh and an annular screen mesh, the screen surface of the disc-shaped screen mesh is an inclined plane with a high middle part and a low edge, the screen surface of the annular screen mesh is an inclined plane with a high outer edge and a low inner edge, and the disc-shaped screen mesh and the annular screen mesh are alternately arranged in height.
3. The vertical screen leakage type lithium aluminum hydride drying device of claim 2, wherein a feed port is arranged at the top of the shell, and the disc-shaped screen is arranged below the feed port.
4. The vertical screen-drain lithium aluminum hydride drying device of claim 3, wherein there are 3 disc screens and 3 ring screens.
5. The vertical screen type lithium aluminum hydride drying device as claimed in claim 4, wherein the screen frame comprises a plurality of vertical pipes, horizontal pipes and a bottom plate, the vertical pipes are arranged at intervals, the horizontal pipes are connected to the bottom ends of the adjacent vertical pipes, the bottom plate is arranged on the horizontal pipe, the surface of the bottom plate is an inclined plane with a high middle part and low edges, and the screen is fixed on the vertical pipes.
6. The vertical screen leakage type lithium aluminum hydride drying device of claim 5, further comprising a controller, wherein the controller is arranged at the side part of the casing, the controller is connected with the heating unit through an electric wire, and the electric wire is arranged in the vertical pipe and the horizontal pipe in a penetrating way.
7. The vertical screen leakage type lithium aluminum hydride drying device of claim 6, wherein the vibrating mechanism comprises a bottom shell, a motor, a driving gear, a driven gear, a rotating shaft and an eccentric wheel, the bottom shell is arranged at the bottom inside the shell, a window is arranged at the top of the bottom shell, the motor is fixed inside the bottom shell and electrically connected with the controller, the driving gear is fixed at the shaft end of the motor, the driven gear is fixed on the rotating shaft and meshed with the driving gear, the number of teeth of the driving gear is less than that of the driven gear, the rotating shaft is rotatably connected inside the bottom shell, the eccentric wheel is fixed on the rotating shaft and located at the window, a top block is arranged below the bottom of the screen frame, and the top block is abutted against the rim of the eccentric wheel.
8. The vertical screen leakage type lithium aluminum hydride drying device of claim 7, further comprising a discharging plate, wherein a discharging hole is formed in the bottom of the side wall of the casing, the discharging plate is obliquely arranged at the bottom in the casing, the bottom casing penetrates out of the middle of the discharging plate, and the lower end of the discharging plate extends out of the casing from the discharging hole.
9. The vertical screen leakage type lithium aluminum hydride drying device of claim 7, further comprising a plurality of sliding sleeves and support rods, wherein the sliding sleeves are slidably sleeved on the vertical pipes, one end of each support rod is connected with the sliding sleeves, and the other end of each support rod is connected with the inner wall of the shell.
10. The vertical screen leakage lithium aluminum hydride drying device of claim 1, wherein the heating unit is an electric heating tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310282935.2A CN115978959A (en) | 2023-03-22 | 2023-03-22 | Vertical sieve leakage type lithium aluminum hydride drying device |
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| CN202310282935.2A CN115978959A (en) | 2023-03-22 | 2023-03-22 | Vertical sieve leakage type lithium aluminum hydride drying device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB666216A (en) * | 1948-04-13 | 1952-02-06 | William Thomas Powling Senior | Improvements in or relating to apparatus for preparing foodstuffs for livestock, andfertilizers for the land |
| CN202267335U (en) * | 2011-10-17 | 2012-06-06 | 张瑾 | Vibrating type hot wind drying and cooking machine |
| CN203405070U (en) * | 2013-07-06 | 2014-01-22 | 福建省金燕海洋生物科技股份有限公司 | Vertical type multi-grade drier |
| CN207914127U (en) * | 2017-12-28 | 2018-09-28 | 昆明伯纽特科技开发有限公司 | A kind of vibrating screening machine |
| CN207922806U (en) * | 2018-03-15 | 2018-09-28 | 山东江信动物保健科技有限公司 | A kind of animal feed dryer |
| CN111023783A (en) * | 2019-12-17 | 2020-04-17 | 福清美丰农林科技有限公司 | High-efficient grain drying machine |
| CN210625270U (en) * | 2019-09-25 | 2020-05-26 | 周友明 | Vertical multilayer vibration drying equipment |
| CN211552369U (en) * | 2020-02-17 | 2020-09-22 | 昆山品锐电子有限公司 | Automobile parts drying device |
| CN213349640U (en) * | 2021-03-08 | 2021-06-04 | 张掖市德源农业科技开发有限公司 | Corn seed screening machine |
| CN213617743U (en) * | 2020-09-08 | 2021-07-06 | 郑州长通塑业有限公司 | Cable material pelletization equipment with stoving function |
| CN214917940U (en) * | 2021-01-22 | 2021-11-30 | 宜春钽铌矿有限公司 | Grading device for feldspar powder |
-
2023
- 2023-03-22 CN CN202310282935.2A patent/CN115978959A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB666216A (en) * | 1948-04-13 | 1952-02-06 | William Thomas Powling Senior | Improvements in or relating to apparatus for preparing foodstuffs for livestock, andfertilizers for the land |
| CN202267335U (en) * | 2011-10-17 | 2012-06-06 | 张瑾 | Vibrating type hot wind drying and cooking machine |
| CN203405070U (en) * | 2013-07-06 | 2014-01-22 | 福建省金燕海洋生物科技股份有限公司 | Vertical type multi-grade drier |
| CN207914127U (en) * | 2017-12-28 | 2018-09-28 | 昆明伯纽特科技开发有限公司 | A kind of vibrating screening machine |
| CN207922806U (en) * | 2018-03-15 | 2018-09-28 | 山东江信动物保健科技有限公司 | A kind of animal feed dryer |
| CN210625270U (en) * | 2019-09-25 | 2020-05-26 | 周友明 | Vertical multilayer vibration drying equipment |
| CN111023783A (en) * | 2019-12-17 | 2020-04-17 | 福清美丰农林科技有限公司 | High-efficient grain drying machine |
| CN211552369U (en) * | 2020-02-17 | 2020-09-22 | 昆山品锐电子有限公司 | Automobile parts drying device |
| CN213617743U (en) * | 2020-09-08 | 2021-07-06 | 郑州长通塑业有限公司 | Cable material pelletization equipment with stoving function |
| CN214917940U (en) * | 2021-01-22 | 2021-11-30 | 宜春钽铌矿有限公司 | Grading device for feldspar powder |
| CN213349640U (en) * | 2021-03-08 | 2021-06-04 | 张掖市德源农业科技开发有限公司 | Corn seed screening machine |
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Application publication date: 20230418 |