CN215900956U

CN215900956U - Efficient evaporation equipment is used in high-purity alumina production

Info

Publication number: CN215900956U
Application number: CN202122561040.1U
Authority: CN
Inventors: 张志勇; 方向华; 罗登银; 张文; 唐勇; 冉春; 郭晓英
Original assignee: Chongqing Research Better Science & Technology Co ltd
Current assignee: Chongqing Research Better Science & Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-02-25
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses high-efficiency evaporation equipment for producing high-purity alumina, which comprises an evaporation box, wherein the left side of the evaporation box is fixedly communicated with an air inlet pipe, the right side of the evaporation box is provided with a box door, the top of the evaporation box is provided with a feed inlet, the top of the evaporation box is fixedly provided with a driving motor, an output shaft of the driving motor penetrates through the top of the evaporation box and extends to the inside of the evaporation box, the output shaft of the driving motor is fixedly connected with a rotating shaft, the bottom end of the rotating shaft is rotatably connected with the inner wall of the bottom of the evaporation box, the top of the evaporation box is fixedly communicated with an exhaust pipe, the bottom end of the exhaust pipe extends to the inside of the evaporation box, and the bottom end of the exhaust pipe is fixedly connected with a filter screen. So that the alumina is evaporated more thoroughly and the practicability is strong.

Description

Efficient evaporation equipment is used in high-purity alumina production

Technical Field

The utility model relates to evaporation equipment, in particular to high-efficiency evaporation equipment for producing high-purity alumina.

Background

Alumina is a high hardness compound, has a melting point of 2054 ℃ and a boiling point of 2980 ℃, is an ionic crystal which can be ionized at high temperature, and is commonly used for manufacturing refractory materials.

In the production process of alumina, evaporation is an essential production process. When the existing evaporation equipment is used for evaporating the alumina raw material, the raw material is not uniformly stirred, so that the evaporation efficiency is low, and the production efficiency is reduced. Therefore, the high-efficiency evaporation equipment for producing the high-purity alumina is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide high-efficiency evaporation equipment for producing high-purity alumina, and aims to solve the problem that when evaporation equipment in the prior art evaporates alumina raw materials, the raw materials are not uniformly stirred, so that the evaporation efficiency is low, and the production efficiency is reduced.

The utility model realizes the purpose through the following technical scheme:

an efficient evaporation device for producing high-purity alumina comprises an evaporation box, wherein an air inlet pipe is fixedly communicated with the left side of the evaporation box, a box door is arranged on the right side of the evaporation box, a feed inlet is formed in the top of the evaporation box, a driving motor is fixedly mounted at the top of the evaporation box, an output shaft of the driving motor penetrates through the top of the evaporation box and extends to the inside of the evaporation box, a rotating shaft is fixedly connected onto the output shaft of the driving motor, the bottom end of the rotating shaft is rotatably connected with the inner wall of the bottom of the evaporation box, an exhaust pipe is fixedly communicated with the top of the evaporation box, the bottom end of the exhaust pipe extends to the inside of the evaporation box, a filter screen is fixedly connected with the bottom end of the exhaust pipe, a stirring mechanism is arranged inside the evaporation box and is connected with the rotating shaft, a vibration mechanism is arranged on the inner wall of the top of the evaporation box and is connected with the rotating shaft, the vibration mechanism is matched with the exhaust pipe.

In order to ensure that the alumina raw material can be more uniformly evaporated, the stirring mechanism comprises a gear wheel, two pinions, two stirring shafts, two sleeves, two transverse rods, two vertical rods and two scraping plates, the gear wheel is fixedly sleeved on the rotating shaft, the two pinions are both meshed with the gear wheel, the top end of each stirring shaft is fixedly connected with the bottom of the corresponding pinion, the sleeves are rotatably sleeved on the corresponding stirring shafts, one sides of the two sleeves, which are far away from each other, are fixedly connected with the inner wall of the left side and the inner wall of the right side of the evaporation box respectively, the stirring shafts are provided with a plurality of stirring rods, one ends of the two transverse rods, which are close to each other, are fixedly connected with the left side and the right side of the rotating shaft respectively, one ends of the two transverse rods, which are far away from each other, are fixedly connected with two scraping plates respectively on one side of the two vertical rods, the bottom of the transverse rods is fixedly connected with two scraping plates, the bottom of doctor-bar and the bottom inner wall sliding contact of evaporating case, one side that two montants kept away from each other respectively with two scraper blade one side fixed connection that are close to each other, one side that two scraper blades kept away from each other all with the inner wall sliding contact of evaporating case, the top of two montants all with the inner wall sliding connection of evaporating case.

In order to improve the stability of two montants and two scraper blades when removing, two the equal fixedly connected with slider in top of montant, the ring channel has been seted up on the inner wall of evaporating case, and two equal sliding connection of slider are in the ring channel.

In order to avoid the filter screen to be blockked up, vibrations mechanism includes eccentric wheel, the lantern ring, catch bar, arc pole, cooperation pole, dead lever, apical axis and stabilizing ring, the fixed cover of eccentric wheel is established in the pivot, the lantern ring rotates the cover and establishes on the eccentric wheel, the left end fixed connection of catch bar is on the lantern ring, the right-hand member of catch bar rotates with the front end of arc pole to be connected, the top fixed connection of dead lever is on the top inner wall of evaporation case, the bottom of dead lever and the top fixed connection of cooperation pole, the left side of arc pole contacts with the right side of cooperation pole, the rear end of arc pole rotates with the left end of apical axis to be connected, the stabilizing ring slip cap is established on the apical axis, the top fixed connection of stabilizing ring is on the top inner wall of evaporation case, the right-hand member of apical axis cooperatees with the left side of blast pipe.

In order to assist the top shaft to reset, a reset spring is sleeved on the top shaft, the left end of the reset spring is fixedly connected to the top shaft, and the right end of the reset spring is fixedly connected with the left side of the stabilizing ring.

In order to slow down the damage of the exhaust pipe caused by the fact that the exhaust pipe is knocked by the jacking shaft for a long time, a rubber pad is fixedly connected to the right end of the jacking shaft, and the right side of the rubber pad is in movable contact with the left side of the exhaust pipe.

The utility model has the beneficial effects that: the big gear is meshed with the two small gears to drive the two small gears to rotate in opposite directions, and the two stirring shafts and the stirring rods on the stirring shafts can be driven to rotate in opposite directions through the opposite rotation of the two small gears, so that the stirring efficiency can be improved;

the two cross rods can drive the four scraping pieces to scrape the alumina raw material on the inner wall of the bottom of the evaporation box, so that the alumina raw material on the bottom and the alumina raw material on the upper part can be overturned, the evaporation efficiency is accelerated, and then the two scraping pieces are used for scraping the inner wall of the evaporation box in an annular manner, so that the alumina raw material on the inner wall of the evaporation box can be scraped, the inner wall of the evaporation box can be cleaned, the stirring rod can be promoted to stir the alumina raw material, and the evaporation of the alumina raw material is quicker and more thorough;

through the eccentric rotation characteristic of the eccentric wheel and the transmission between the top shafts, the reciprocating knocking of the top shafts on the exhaust pipes is realized, so that the situation that some raw materials are attached to the filter screen along with water vapor when the alumina raw materials are stirred can be avoided, the filter screen can be prevented from being blocked in a knocking vibration mode, and the overhigh pressure inside the evaporation box is avoided;

the utility model realizes the stirring of the alumina raw material through a simple structure, has convenient operation and more uniform stirring, improves the evaporation efficiency, leads the alumina to be more thoroughly evaporated and has strong practicability.

Drawings

FIG. 1 is a main sectional view of a high-efficiency evaporation apparatus for producing high-purity alumina according to the present invention;

FIG. 2 is a schematic structural view of a portion A of an efficient evaporation apparatus for producing high purity alumina according to the present invention in FIG. 1;

FIG. 3 is a schematic structural diagram of a portion B of an efficient evaporation apparatus for producing high purity alumina according to the present invention in FIG. 1;

FIG. 4 is a top view of the structure of the rotating shaft, eccentric wheel, sleeve ring, pushing rod, arc rod, matching rod, fixing rod, top shaft, stabilizing ring, return spring and rubber pad of the high efficiency evaporation equipment for producing high purity alumina;

FIG. 5 is a three-dimensional view of the structure of the rotating shaft, eccentric wheel, sleeve ring and push rod of the high-efficiency evaporation equipment for producing high-purity alumina.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-evaporation box, 2-air inlet pipe, 3-driving motor, 4-rotating shaft, 5-big gear, 6-small gear, 7-stirring shaft, 8-sleeve, 9-cross bar, 10-scraping piece, 11-vertical bar, 12-scraping plate, 13-sliding block, 14-annular groove, 15-eccentric wheel, 16-lantern ring, 17-pushing bar, 18-arc bar, 19-matching bar, 20-fixed bar, 21-top shaft, 22-stabilizing ring, 23-reset spring, 24-exhaust pipe, 25-filter screen and 26-rubber pad.

Detailed Description

The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.

As shown in fig. 1-5, an efficient evaporation apparatus for producing high-purity alumina comprises an evaporation box 1, the left side of the evaporation box 1 is fixedly communicated with an air inlet pipe 2, the right side of the evaporation box 1 is provided with a box door which can facilitate taking out alumina, the top of the evaporation box 1 is provided with a feed inlet, the feed inlet can facilitate feeding materials into the evaporation box 1, the top of the evaporation box 1 is fixedly provided with a driving motor 3, an output shaft of the driving motor 3 penetrates through the top of the evaporation box 1 and extends into the evaporation box 1, an output shaft of the driving motor 3 is fixedly connected with a rotating shaft 4, the bottom end of the rotating shaft 4 is rotatably connected with the inner wall of the bottom of the evaporation box 1, the top of the evaporation box 1 is fixedly communicated with an exhaust pipe 24, the exhaust pipe 24 can balance the air pressure in the evaporation box 1, the bottom end of the exhaust pipe 24 extends into the evaporation box 1, the bottom end of the exhaust pipe 24 is fixedly connected with a filter screen 25, the filter screen 25 can prevent the alumina from being discharged out of the evaporation box 1 through the exhaust pipe 24 during stirring, a stirring mechanism is arranged inside the evaporation box 1 and is connected with the rotating shaft 4, a vibration mechanism is arranged on the inner wall of the top of the evaporation box 1 and is connected with the rotating shaft 4, and the vibration mechanism is matched with the exhaust pipe 24; in order to ensure that the alumina raw material can be evaporated more uniformly, the stirring mechanism comprises a gear wheel 5, two pinion gears 6, two stirring shafts 7, two sleeve pipes 8, two cross rods 9, two vertical rods 11 and two scraping plates 12, the gear wheel 5 is fixedly sleeved on the rotating shaft 4, the two pinion gears 6 are both meshed with the gear wheel 5, the two stirring shafts 7 can be driven to rotate oppositely through the meshing between the gear wheel 5 and the two pinion gears 6, so that the stirring can be more thorough, the top end of the stirring shaft 7 is fixedly connected with the bottoms of the pinion gears 6 corresponding to the stirring shaft 7, the sleeve pipes 8 are rotatably sleeved on the stirring shafts 7 corresponding to the sleeve pipes 8, the sleeve pipes 8 can rotatably support the stirring shafts 7, one sides of the two sleeve pipes 8 which are far away from each other are fixedly connected with the left inner wall and the right inner wall of the evaporation box 1 respectively, and the stirring shafts 7 are provided with a plurality of stirring rods, the end, close to each other, of each of the two cross rods 9 is fixedly connected with the left side and the right side of the rotating shaft 4, the end, far away from each other, of each of the two cross rods 9 is fixedly connected with one side, close to each other, of each of the two vertical rods 11, the bottom of each of the two cross rods 9 is fixedly connected with the bottom of each of the two scraping pieces 10, the scraping pieces 10 can scrape raw materials at the bottom of the evaporation box 1, the bottom of each of the scraping pieces 10 is in sliding contact with the inner wall of the bottom of the evaporation box 1, the side, far away from each other, of each of the two vertical rods 11 is fixedly connected with the side, close to each other, of the two scraping pieces 12, the side, far away from each other, of each of the two scraping pieces 12 is in sliding contact with the inner wall of the evaporation box 1, the raw materials on the inner wall of the evaporation box 1 can be scraped down by the scraping pieces 12 to avoid adhesion, and the top ends of the two vertical rods 11 are in sliding connection with the inner wall of the evaporation box 1; in order to improve the stability of the two vertical rods 11 and the two scraping plates 12 during movement, the top ends of the two vertical rods 11 are fixedly connected with sliding blocks 13, an annular groove 14 is formed in the inner wall of the evaporation box 1, and the two sliding blocks 13 are connected in the annular groove 14 in a sliding manner; in order to avoid the filter screen 25 from being blocked, the vibrating mechanism comprises an eccentric 15, a collar 16, a push rod 17, an arc-shaped rod 18, the device comprises a matching rod 19, a fixed rod 20, a top shaft 21 and a stabilizing ring 22, wherein the eccentric wheel 15 is fixedly sleeved on the rotating shaft 4, a sleeve ring 16 is rotatably sleeved on the eccentric wheel 15, the left end of a push rod 17 is fixedly connected to the sleeve ring 16, the right end of the push rod 17 is rotatably connected with the front end of an arc-shaped rod 18, the top end of the fixed rod 20 is fixedly connected to the inner wall of the top of the evaporation box 1, the bottom end of the fixed rod 20 is fixedly connected with the top of the matching rod 19, the left side of the arc-shaped rod 18 is in contact with the right side of the matching rod 19, the rear end of the arc-shaped rod 18 is rotatably connected with the left end of the top shaft 21, the stabilizing ring 22 is slidably sleeved on the top shaft 21, the top of the stabilizing ring 22 is fixedly connected to the inner wall of the top of the evaporation box 1, and the right end of the top shaft 21 is matched with the left side of an exhaust pipe 24; in order to assist the top shaft 21 to reset, a reset spring 23 is sleeved on the top shaft 21, the left end of the reset spring 23 is fixedly connected to the top shaft 21, and the right end of the reset spring 23 is fixedly connected with the left side of the stabilizing ring 22; in order to alleviate the damage of the exhaust pipe 24 caused by the long-term knocking of the exhaust pipe 24 by the top shaft 21, a rubber pad 26 is fixedly connected to the right end of the top shaft 21, and the right side of the rubber pad 26 is movably contacted with the left side of the exhaust pipe 24.

As shown in fig. 1-5, the working principle is as follows: when the device is used, firstly, alumina raw materials are put into the evaporation box 1 through the feeding hole, then the feeding hole is closed, then, water vapor is conveyed into the evaporation box 1 through the air inlet pipe 2, then, the driving motor 3 is started, when the driving motor 3 rotates, the rotating shaft 4 is driven to rotate, when the rotating shaft 4 rotates, the large gear 5 is driven to rotate, when the large gear 5 rotates, the two small gears 6 are driven to rotate, at the moment, the two small gears 6 rotate in opposite directions, through the opposite rotation of the two small gears 6, the two stirring shafts 7 can be driven to rotate mutually, through the opposite rotation of the two stirring shafts 7, the stirring efficiency can be accelerated, when the two stirring shafts 7 rotate, the stirring rods can be driven to rotate, at the moment, through the rotation of the stirring rods, the alumina raw materials can be stirred, so that the alumina raw material can more fully react with the water vapor, thereby improving the evaporation efficiency, meanwhile, when the rotating shaft 4 rotates, the two cross rods 9 can be driven to rotate, then the two cross rods 9 can drive the four scraping pieces 10 to scrape the alumina raw material on the inner wall of the bottom of the evaporation box 1, so that the alumina raw material on the bottom and the upper part can be overturned, thereby accelerating the evaporation efficiency, then when the cross rods 9 rotate, the two vertical rods 11 can be driven to rotate, when the vertical rods 11 rotate, the two scraping plates 12 can be driven to annularly scrape on the inner wall of the evaporation box 1, so that the alumina raw material on the inner wall of the evaporation box 1 can be scraped off, the inner wall of the evaporation box 1 can be cleaned, the stirring rod can be promoted to stir the alumina raw material, the alumina raw material can be evaporated more rapidly and thoroughly, meanwhile, when the rotating shaft 4 rotates, will drive the eccentric wheel 15 to rotate, when the eccentric wheel 15 rotates, will drive the lantern ring 16 to carry on the horizontal reciprocating motion through the eccentric rotation characteristic of the eccentric wheel 15, when the lantern ring 16 carries on the horizontal reciprocating motion, will drive the catch bar 17 to carry on the horizontal reciprocating motion, then the catch bar 17 will drive the front end of the arc pole 18 to carry on the horizontal reciprocating motion, at this moment through the support of the arc pole 18 and arc motion characteristic of the arc pole 18 of the matching rod 19, can make the rear end of the arc pole 18 and the front end of the arc pole 18 carry on the horizontal reciprocating motion of the opposite direction, then the rear end of the arc pole 18 will drive the top shaft 21 to carry on the horizontal reciprocating motion, when the top shaft 21 carries on the horizontal reciprocating motion, the right-hand member of the top shaft 21 will drive the rubber pad 26 to carry on the horizontal reciprocating motion and carry on the reciprocating contact with left side of the blast pipe 24, at this moment also has realized the top shaft 21 to the reciprocating knock of the blast pipe 24, can avoid like this when stirring the aluminium oxide raw materials, some raw materialss can be along with steam adheres to on filter screen 25, through the mode of knocking vibrations, can prevent that filter screen 25 from being stopped up, avoids evaporating case 1 inside pressure too high, and the aluminium oxide after the evaporation comes out at last passes through the chamber door and takes out can.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. The utility model provides a high-efficient evaporation equipment is used in production of high-purity alumina, includes evaporating case (1), its characterized in that: the left side of the evaporation box (1) is fixedly communicated with an air inlet pipe (2), the right side of the evaporation box (1) is provided with a box door, the top of the evaporation box (1) is provided with a feed inlet, the top of the evaporation box (1) is fixedly provided with a driving motor (3), an output shaft of the driving motor (3) penetrates through the top of the evaporation box (1) and extends to the inside of the evaporation box (1), a rotating shaft (4) is fixedly connected onto the output shaft of the driving motor (3), the bottom end of the rotating shaft (4) is rotatably connected with the inner wall of the bottom of the evaporation box (1), the top of the evaporation box (1) is fixedly communicated with an exhaust pipe (24), the bottom end of the exhaust pipe (24) extends to the inside of the evaporation box (1), the bottom end of the exhaust pipe (24) is fixedly connected with a filter screen (25), and the inside of the evaporation box (1) is provided with a stirring mechanism, the stirring mechanism is connected with the rotating shaft (4), a vibration mechanism is arranged on the inner wall of the top of the evaporation box (1), the vibration mechanism is connected with the rotating shaft (4), and the vibration mechanism is matched with the exhaust pipe (24).

2. The high efficiency evaporation apparatus for the production of high purity alumina of claim 1, wherein: the stirring mechanism comprises a gear wheel (5), two pinions (6), two stirring shafts (7), two sleeves (8), two transverse rods (9), two vertical rods (11) and two scraping plates (12), wherein the gear wheel (5) is fixedly sleeved on the rotating shaft (4), the two pinions (6) are respectively meshed with the gear wheel (5), the top end of the stirring shaft (7) is fixedly connected with the bottoms of the pinions (6) corresponding to the stirring shaft, the sleeves (8) are rotatably sleeved on the stirring shafts (7) corresponding to the sleeves, one sides of the two sleeves (8) far away from each other are respectively fixedly connected with the left inner wall and the right inner wall of the evaporation box (1), the stirring shaft (7) is provided with a plurality of stirring rods, one ends of the two transverse rods (9) near each other are respectively fixedly connected with the left side and the right side of the rotating shaft (4), one ends of the two transverse rods (9) far away from each other are respectively fixedly connected with one sides of the two vertical rods (11) near each other, the bottom fixedly connected with of horizontal pole (9) two doctor-bars (10), the bottom of doctor-bar (10) and the bottom inner wall sliding contact of evaporating case (1), one side that two montants (11) kept away from each other respectively with two scraper blade (12) one side fixed connection that is close to each other, one side that two scraper blade (12) kept away from each other all with the inner wall sliding contact of evaporating case (1), the top of two montants (11) all with the inner wall sliding connection of evaporating case (1).

3. The high efficiency evaporation apparatus for the production of high purity alumina of claim 2, wherein: two equal fixedly connected with slider (13) in top of montant (11), ring channel (14) have been seted up on the inner wall of evaporating case (1), and two equal sliding connection of slider (13) are in ring channel (14).

4. The high efficiency evaporation apparatus for the production of high purity alumina of claim 1, wherein: the vibration mechanism comprises an eccentric wheel (15), a sleeve ring (16), a push rod (17), an arc-shaped rod (18), a matching rod (19), a fixing rod (20), a top shaft (21) and a stabilizing ring (22), the eccentric wheel (15) is fixedly sleeved on the rotating shaft (4), the sleeve ring (16) is rotatably sleeved on the eccentric wheel (15), the left end of the push rod (17) is fixedly connected onto the sleeve ring (16), the right end of the push rod (17) is rotatably connected with the front end of the arc-shaped rod (18), the top end of the fixing rod (20) is fixedly connected onto the inner wall of the top of the evaporation box (1), the bottom end of the fixing rod (20) is fixedly connected with the top of the matching rod (19), the left side of the arc-shaped rod (18) is in contact with the right side of the matching rod (19), the rear end of the arc-shaped rod (18) is rotatably connected with the left end of the top shaft (21), and the stabilizing ring (22) is slidably sleeved on the top shaft (21), the top of the stabilizing ring (22) is fixedly connected to the inner wall of the top of the evaporation box (1), and the right end of the top shaft (21) is matched with the left side of the exhaust pipe (24).

5. The high efficiency evaporation apparatus for the production of high purity alumina of claim 4, wherein: the cover is equipped with reset spring (23) on apical axis (21), the left end fixed connection of reset spring (23) is on apical axis (21), the right-hand member of reset spring (23) and the left side fixed connection of stabilizing ring (22).

6. The high efficiency evaporation apparatus for the production of high purity alumina of claim 4, wherein: the right end of the top shaft (21) is fixedly connected with a rubber pad (26), and the right side of the rubber pad (26) is movably contacted with the left side of the exhaust pipe (24).