CN114452660B

CN114452660B - A stirring drying device for preparing fluorescent material

Info

Publication number: CN114452660B
Application number: CN202210125342.0A
Authority: CN
Inventors: 张杨; 杨绳岩; 韩阳
Original assignee: Chaohu University
Current assignee: Chaohu University
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2023-03-17
Anticipated expiration: 2042-02-10
Also published as: CN114452660A

Abstract

The invention relates to the technical field of fluorescent material preparation, in particular to a stirring and drying device for preparing a fluorescent material. Including the inlayer churn, the upper portion of inlayer churn is equipped with the end cover, the upper end joint of end cover and inlayer churn, the inside of end cover is equipped with the mount, the middle part of mount is equipped with the mounting hole, be equipped with the bearing in the mounting hole, circle in the bearing and be equipped with the pivot, the one end of pivot is located the end cover, the other end of pivot is located the churn, is located be equipped with multiunit stirring vane in the pivot outside axis direction in the churn, be equipped with the elasticity inner tube on the medial surface of churn, the upper and lower end of elasticity inner tube is connected with the upper portion and the lower extreme are detachable respectively of churn. The technical scheme is used for solving the problems that in the prior art, a drying device used in the preparation process of fluorescent materials is easy to adhere drying substances on the inner wall of a container, so that substance waste and inconvenient collection are caused.

Description

A stirring drying device for preparing fluorescent material

Technical Field

The invention relates to the technical field of fluorescent material preparation, in particular to a stirring and drying device for preparing a fluorescent material.

Background

Fluorescence is a common phenomenon of luminescence in nature, that is, a phenomenon in which a fluorescent compound emits fluorescence of a long wavelength after being irradiated with ultraviolet light of a short wavelength. More specifically, fluorescence refers to some rather bright colors of light seen by the human eye under external illumination, such as green, orange, yellow, which are also commonly referred to as neon lights. The fluorescent material is a material that absorbs light with a certain wavelength and emits light with different wavelengths to the outside at once, and is called as a fluorescent material. With the progress of science and technology, people have more and more researches on fluorescence, and the application range of fluorescent substances is wider and wider. Besides being used as dyes, fluorescent substances are also widely applied in the fields of organic pigments, optical brighteners, photo-oxidizers, coatings, chemical and biochemical analysis, solar collectors, anti-counterfeiting marks, drug tracing, lasers and the like.

In the preparation process of the fluorescent material, a plurality of raw materials are mostly required to be stirred, mixed and dried, for example, in the preparation step S4 of the patent No. CN202110755116.6 preparation and application of rare earth fluorescent material for detecting heavy metal Cu < 2+ >, terbium nitrate hexahydrate solution is added into the solution obtained in S3 and stirred; s5, stopping stirring, standing for aging, centrifugally collecting white precipitate, washing, and drying to obtain a white rare earth metal organic framework sample, wherein the steps of stirring and drying are included.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a stirring and drying device for preparing a fluorescent material, which is used for solving the problems that in the prior art, a drying device used in the fluorescent material preparation process is easy to cause the problem that dried substances are adhered to the inner wall of a container, so that the substances are wasted and the collection is inconvenient.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a stirring drying device for preparing fluorescent material, includes the inlayer churn, the upper portion of inlayer churn is equipped with the end cover, the upper end joint of end cover and inlayer churn, the inside of end cover is equipped with the mount, the middle part of mount is equipped with the mounting hole, be equipped with the bearing in the mounting hole, circle in the bearing is equipped with the pivot, the one end of pivot is located the end cover, the other end of pivot is located be equipped with multiunit stirring vane in the churn in the pivot outside axis direction, be equipped with the elasticity inner tube on the medial surface of churn, the upper and lower end of elasticity inner tube is connected with the upper portion and the lower extreme of churn are detachable respectively, be equipped with the shell on the lateral surface of churn, the churn is located the inside of shell, the upper and lower both ends of shell all are equipped with sealed lid, sealed the lid of shell upper end is equipped with the through-hole that matches with the churn upper end, the upper end fixed connection of churn is in the through-hole, the lower part of shell is equipped with the blast pipe, the circumference equipartition is equipped with the exhaust hole that communicates with the shell inside on the end cover on the lateral surface of churn, be equipped with the intake pipe on the end cover, be equipped with the intake pipe, the other end of pulsed hot injection device, the air supply device of end cover.

The working principle of the technical scheme is as follows:

when air feeder passes through the intake pipe and dries to the stirring material to the inside injection hot-air of churn, shelter from down at the elasticity inner tube, the exhaust hole that hot-air can only follow churn upper portion setting is discharged from the casing, because the time pulse formula air feed of adoption, the inlet port that the hot-air that discharges this moment on will follow the churn gets into, strike the inner wall of elasticity inner tube, make the inner wall vibrations of elasticity inner tube, consequently in stirring solution gradual stoving in-process, the vibrations of elasticity inner tube can shake off the material of its adhesion to the lower part of churn.

Further, the air supply device comprises an air blower, an air storage tank and a pulse electromagnetic valve which are sequentially connected through an air pipe, and an electric heating wire heating mechanism is further arranged on the outer side of a connecting pipeline of the air blower and the air storage tank.

Further, be equipped with spiral baffle between shell and the churn, spiral baffle forms helical passage in the shell, the exhaust hole is located helical passage, helical passage's lower extreme and blast pipe intercommunication, it has the beneficial effect to lie in, make in the churn exhaust gas get into helical passage, carry out secondary stoving heating to the surface of churn in, improve hot-air's heat utilization ratio.

Furthermore, the upper end of the rotating shaft in the end cover is provided with the fan wheel, the middle of the fan wheel is fixedly connected with the rotating shaft, and the air inlet pipe is inclined to the blades of the fan wheel.

Further, be equipped with the baffle on the mount, the baffle is with end cover upper portion seal, the pivot is cavity, and all is equipped with a plurality of gas injection holes on the stirring vane, gas injection hole and the inside intercommunication of pivot, its useful part lies in, and the hot-air can only get into from the pivot during setting up of baffle, then discharges from the gas injection hole that the stirring vane went up to set up, is about to the inside that the hot-air lets in solution, and the time it can be better carries out the heat exchange, improves the efficiency of drying, and the hot-air can also produce in solution from the bubble of supreme motion down simultaneously, and the bubble can play the effect of breaking away to the solid in the solution, improves stirring effect.

Furthermore, the gas injection hole sets up on stirring vane's lower surface, and its beneficial effect lies in, sets up the effect that produces the bubble in the lower surface better.

Furthermore, the elastic inner cylinder comprises an elastic cylinder and a filter screen which are arranged on two sides, two ends of the elastic cylinder are fixedly connected with the upper portion and the lower portion of the mixing cylinder, the filter screen is fixedly connected with the lower end face of the elastic cylinder, the elastic cylinder is made of metal elastic pieces, a drain hole is formed in the ground of the mixing cylinder, a drain pipe is arranged on the drain hole, one end of the drain pipe is communicated with the mixing cylinder, the other end of the drain pipe penetrates through the lower surface of the shell to be communicated with the outside, a drain valve is arranged at one end communicated with the outside, and the elastic inner cylinder has the beneficial effects that after the elastic inner cylinder is uniformly mixed, the drain valve is opened at the moment, moisture in the solution can be discharged through the filter screen, the moisture in the solution is reduced, and the drying efficiency is improved.

Further, the lower part of shell is equipped with the base, be equipped with solid fixed ring on the lateral surface of shell, be equipped with linear electric motor on the base, be equipped with the connecting plate between solid fixed ring and linear electric motor's the casing, the both ends of connecting plate are respectively in solid fixed ring and linear electric motor fixed connection, linear electric motor's output and fixed surface are connected on the end cover, and its useful part lies in, and linear electric motor can upwards mention end cover and pivot, makes to add solution or take out the stoving goods and materials convenience more in the churn in to the agitator.

Furthermore, be equipped with the rotating electrical machines on the connecting plate, the output and the connecting plate fixed connection of rotating electrical machines, the installation end and the linear electric motor fixed connection of rotating electrical machines, its beneficial part lies in, the rotating electrical machines can make the shell rotatory, conveniently takes out the stoving material in the churn.

Further, be equipped with the permanent magnet of fixed connection with it on the filter screen, the permanent magnet adsorbs on the churn lower surface, and its beneficial part lies in, the permanent magnet adsorbs the filter screen in the churn lower surface, avoids reciprocating of filter screen to cause the interference to stirring vane's rotation.

The technical effects obtained by the invention are as follows:

(1) Elasticity inner tube, exhaust hole and pulse air feed's the mode of setting up, make the inlet port that exhaust hot-air will follow on the churn get into, strike the inner wall of elasticity inner tube, make the inner wall vibrations of elasticity inner tube, consequently at stirring solution gradual stoving in-process, the vibrations of elasticity inner tube can shake off the material of adhesion on it to the lower part of churn, avoided the waste that the material adhesion caused on the churn, still be convenient for simultaneously collect the material of drying. (2) The arrangement of the fan impeller enables the input hot air to drive the fan impeller to rotate, so that the rotation of the driving rotating shaft is realized, and the effect of drying while stirring is realized. (3) The setting of baffle, cavity pivot and gas injection hole makes the inside that hot-air lets in solution, and the time it can be better carries out the heat exchange, improves the efficiency of drying, and the bubble of supreme motion is down can also be produced to the hot-air simultaneously in solution, and the bubble can play the effect of dissolving out to the solid in solution, improves stirring effect.

Drawings

Fig. 1 is a schematic perspective view of a stirring and drying apparatus for preparing fluorescent materials;

FIG. 2 is a schematic top view of a stirring and drying apparatus for preparing fluorescent materials;

FIG. 3 is a schematic side view of a stirring and drying apparatus for preparing fluorescent materials;

FIG. 4 is a schematic side view, in cross section, of a stirring and drying apparatus for preparing a fluorescent material;

FIG. 5 is a schematic view of the installation of a stirring blade of a stirring and drying device for preparing fluorescent materials;

fig. 6 is a partially enlarged schematic view of a portion a of fig. 4.

Reference numerals

The device comprises a base 1, a linear motor 2, a rotating motor 3, an end cover 4, a shell 5, a fixing ring 6, an air inlet pipe 7, an elastic inner cylinder 8, a stirring cylinder 9, an exhaust hole 10, a spiral baffle 11, a fan impeller 12, a rotating shaft 13, a stirring blade 14, an air injection hole 15, a partition plate 16, a permanent magnet 17 and a water discharge pipe 18.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1 to 6, a stirring and drying device for preparing a fluorescent material, including an inner layer stirring drum 9, an end cover 4 is disposed on an upper portion of the inner layer stirring drum 9, the end cover 4 is connected with an upper end of the inner layer stirring drum 9 in a clamping manner, a fixing frame is disposed inside the end cover 4, a mounting hole is disposed in a middle portion of the fixing frame, a bearing is disposed in the mounting hole, a rotating shaft 13 is disposed inside the bearing, one end of the rotating shaft 13 is located inside the end cover 4, the other end of the rotating shaft 13 is located inside the stirring drum 9, a plurality of groups of stirring blades 14 are disposed in an outer side axis direction of the rotating shaft 13 located inside the stirring drum 9, an elastic inner cylinder 8 is disposed on an inner side surface of the stirring drum 9, an upper end and a lower end of the elastic inner cylinder 8 are detachably connected with an upper portion and a lower end of the stirring drum 9 respectively, the elastic inner cylinder is in a closed state after connection, a housing is disposed on an outer side surface of the stirring drum 9, sealing covers are disposed on upper end and lower ends of the housing, a through hole matched with an upper end of the stirring drum 9, an air inlet pipe 7 disposed on the inner side of the housing, an air inlet pipe 7 communicated with an air supply device disposed inside the end cover 4, and an air inlet pipe 7 disposed inside the end cover 4.

The working principle of the technical scheme is as follows:

when the air feeder injects hot air into the mixing drum 9 through the air inlet pipe 7 to dry the mixing materials, under the action of the elastic inner drum 8, the hot air can only be discharged from the shell 5 from the exhaust holes 10 formed in the upper part of the mixing drum 9, due to the adoption of the time pulse type air supply, the discharged hot air can enter from the air inlet holes in the mixing drum 9 at the moment, the inner wall of the elastic inner drum 8 is impacted, the inner wall of the elastic inner drum 8 is vibrated, and therefore, in the gradual drying process of the mixing solution, the materials adhered on the elastic inner drum 8 can be shaken off to the lower part of the mixing drum 9 by the vibration of the elastic inner drum 8.

The air supply device (not shown) comprises an air blower, an air storage tank and a pulse electromagnetic valve which are sequentially connected through an air pipe, an electric heating wire heating mechanism is further arranged on the outer side of a connecting pipeline of the air blower and the air storage tank, the air supply device is a common technology in the prior art, the air storage tank is arranged to obtain high-pressure air so that the air can conveniently drive the fan wheel 12 to rotate, and the pressure of the air storage tank is determined according to the rotation of the rotating blades.

Be equipped with spiral baffle 11 between shell and churn 9, spiral baffle 11 forms helical coiled passage in the shell, and exhaust hole 10 is located helical coiled passage, and helical coiled passage's lower extreme and blast pipe intercommunication have the beneficial effect to lie in, make in the churn 9 exhaust gas get into helical coiled passage, carry out the secondary stoving heating to the surface of churn 9, improve hot-air's heat utilization ratio.

The upper end of a rotating shaft 13 in the end cover 4 is provided with a fan wheel 12, the middle part of the fan wheel 12 is fixedly connected with the rotating shaft 13, the air inlet pipe 7 is inclined to the blade arrangement of the fan wheel 12, and hot air input through the air inlet pipe 7 drives the fan wheel 12 to rotate, so that the rotating shaft 13 is driven to rotate, and the effect of stirring and drying is realized. Be equipped with baffle 16 on the mount, baffle 16 is sealed 4 upper portions of end cover, pivot 13 is cavity, and all be equipped with a plurality of gas injection holes 15 on stirring vane 14, gas injection hole 15 and the inside intercommunication of pivot 13, hot-air can only get into from pivot 13 during the setting of baffle 16, then the gas injection hole 15 that sets up on stirring vane 14 discharges, be about to the inside that hot-air lets in solution, the better heat exchange that carries on of its ability of time, the efficiency of drying is improved, hot-air can also produce in solution and follow the bubble of supreme motion down simultaneously, the bubble can play the effect of breaking up to the solid in the solution, the stirring effect is improved. The gas injection holes 15 are formed in the lower surface of the stirring vane 14, and the effect of generating bubbles is better when the gas injection holes are formed in the lower surface.

Elastic inner tube 8 includes the elastic cylinder and the filter screen of both sides, lower part fixed connection about the both ends of elastic cylinder and churn 9, terminal surface fixed connection under filter screen and the elastic cylinder, and the material of elastic cylinder is metal shrapnel, churn 9's ground is equipped with the wash port, be equipped with drain pipe 18 on the wash port, drain pipe 18's one end is in churn 9 intercommunication, drain pipe 18's the other end passes shell lower surface in external intercommunication, serve with external intercommunication and be equipped with the drainage valve, after the stirring, open the drain valve this moment, moisture in the solution will pass through the filter screen discharge, reduce the moisture in the solution, the efficiency of drying is improved.

The lower part of shell is equipped with base 1, be equipped with solid fixed ring 6 on the lateral surface of shell, be equipped with linear electric motor 2 on base 1, be equipped with the connecting plate between solid fixed ring 6 and linear electric motor 2's the casing 5, the both ends of connecting plate are respectively in solid fixed ring 6 and linear electric motor 2 fixed connection, surface fixed connection is gone up with end cover 4 to linear electric motor 2's output and end cover 4, linear electric motor 2 can upwards mention end cover 4 and pivot 13, make to add solution or take out the more convenience of the stoving goods and materials in the churn 9 in the agitator.

The rotary motor 3 is arranged on the connecting plate, the output end of the rotary motor 3 is fixedly connected with the connecting plate, the mounting end of the rotary motor 3 is fixedly connected with the linear motor 2, and the rotary motor 3 can enable the shell to rotate so as to conveniently take out the drying substances in the mixing drum 9. Be equipped with permanent magnet 17 with it fixed connection on the filter screen, permanent magnet 17 adsorbs on churn 9 lower surface, and permanent magnet 17 adsorbs the filter screen in churn 9 lower surface, avoids reciprocating of filter screen to cause the interference to stirring vane 14's rotation.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A stirring and drying device for preparing a fluorescent material is characterized by comprising an inner-layer stirring cylinder, wherein an end cover is arranged at the upper part of the inner-layer stirring cylinder, the end cover is clamped with the upper end of the inner-layer stirring cylinder, a fixing frame is arranged inside the end cover, a mounting hole is formed in the middle of the fixing frame, a bearing is arranged in the mounting hole, a rotating shaft is arranged on an inner ring of the bearing, one end of the rotating shaft is positioned in the end cover, the other end of the rotating shaft is positioned in the stirring cylinder, a plurality of groups of stirring blades are arranged in the axis direction of the outer side of the rotating shaft in the stirring cylinder, an elastic inner cylinder is arranged on the inner side surface of the stirring cylinder, the upper end and the lower end of the elastic inner cylinder are detachably connected with the upper end and the lower end of the stirring cylinder respectively, a shell is arranged on the outer side surface of the stirring cylinder, the stirring cylinder is positioned in the shell, sealing covers are respectively provided with sealing covers at the upper end of the shell, a through hole matched with the upper end of the stirring cylinder is formed in the sealing covers, the upper end of the stirring cylinder is fixedly connected in the through hole, an exhaust pipe is arranged on the lower part of the shell, exhaust pipe is uniformly distributed on the outer side surface of the stirring cylinder, exhaust pipe, an air supply device communicated with the inner end cover, an air supply device is arranged on the end cover, and an air supply device;

the upper end of a rotating shaft in the end cover is provided with a fan wheel, the middle part of the fan wheel is fixedly connected with the rotating shaft, and the air inlet pipe is inclined to the blades of the fan wheel;

the fixing frame is provided with a baffle plate, the upper part of the end cover is sealed by the baffle plate, the rotating shaft is hollow, a plurality of gas injection holes are formed in the stirring blades, and the gas injection holes are communicated with the inside of the rotating shaft;

the gas injection hole is arranged on the lower surface of the stirring blade.

2. The stirring and drying device for preparing fluorescent materials of claim 1, wherein the air supply device comprises an air blower, an air storage tank and a pulse electromagnetic valve which are connected in sequence by an air pipe, and a heating wire heating mechanism is further arranged outside a connecting pipeline of the air blower and the air storage tank.

3. The stirring and drying device for preparing fluorescent materials of claim 1, wherein a spiral baffle is arranged between the casing and the stirring drum, the spiral baffle forms a spiral channel in the casing, the exhaust hole is located in the spiral channel, and the lower end of the spiral channel is communicated with the exhaust pipe.

4. The stirring and drying device for preparing fluorescent materials as claimed in claim 1, wherein the elastic inner cylinder includes an elastic cylinder and a filter screen at two sides, two ends of the elastic cylinder are fixedly connected to the upper and lower portions of the stirring cylinder, the filter screen is fixedly connected to the lower end surface of the elastic cylinder, the elastic cylinder is made of metal elastic sheets, a drain hole is formed in the ground of the stirring cylinder, a drain pipe is arranged on the drain hole, one end of the drain pipe is communicated with the stirring cylinder, the other end of the drain pipe penetrates through the lower surface of the housing and is communicated with the outside, and a drain valve is arranged at one end communicated with the outside.

5. The stirring and drying device for preparing fluorescent materials of claim 1, wherein the lower part of the housing is provided with a base, the outer side surface of the housing is provided with a fixing ring, the base is provided with a linear motor, a connecting plate is arranged between the fixing ring and the casing of the linear motor, two ends of the connecting plate are respectively fixedly connected with the fixing ring and the linear motor, and the output end of the linear motor is fixedly connected with the upper surface of the end cover.

6. The stirring and drying device for preparing fluorescent materials of claim 5, wherein a rotating motor is arranged on the connecting plate, an output end of the rotating motor is fixedly connected with the connecting plate, and a mounting end of the rotating motor is fixedly connected with the linear motor.

7. The stirring and drying device for preparing fluorescent materials of claim 4, wherein the filter screen is provided with a permanent magnet fixedly connected with the filter screen, and the permanent magnet is adsorbed on the lower surface of the stirring drum.