CN218596473U - Sulfuric acid leaching device for beryllium - Google Patents
Sulfuric acid leaching device for beryllium Download PDFInfo
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- CN218596473U CN218596473U CN202222167711.0U CN202222167711U CN218596473U CN 218596473 U CN218596473 U CN 218596473U CN 202222167711 U CN202222167711 U CN 202222167711U CN 218596473 U CN218596473 U CN 218596473U
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Abstract
The utility model provides a beryllium sulphuric acid leaching device, the device is including leaching jar and stirring unit. The leaching tank comprises a tank body and an inner cavity, and a tank cover is covered on the top of the tank body. The tank body of the leaching tank is of a double-shell structure and comprises an inner shell layer and an outer shell layer, and a cavity formed by the inner wall of the inner shell layer is an inner cavity of the leaching tank. The device adopts indirect heat exchange's mode, has avoided water and sulphuric acid direct contact, has improved the upper limit of temperature of leaching the system when can accurate accuse temperature for leaching speed, improve production efficiency, reduced the production of acid mist, have better application prospect.
Description
Technical Field
The utility model relates to a leach the device, concretely relates to sulphuric acid of beryllium leaches device belongs to beryllium preparation field.
Background
Beryllium is one of the lightest known metal structural materials and has the characteristics of high strength, high elastic modulus, low density and the like. Beryllium also has good thermal shock resistance and thermal diffusivity and a very small coefficient of thermal expansion. Beryllium is an indispensable precious material in the atomic energy, rocket, missile, aviation, space navigation and metallurgical industry, and is increasingly regarded as a new material. Of beryllium ores, emerald BeOAl 2 O 4 Because the main component does not contain Si, the method is easy to refine and the high recovery rate is easy to realize. Different from sapphire BeOAl 2 O 4 Beryllium silicon Be 2 SiO 4 Berylliumhydroxy-silicon stone Be 4 (OH) 2 Si 2 O 7 Andalusite Be 3 Al 2 (SiO 3 ) 6 The main components of the catalyst all contain a large amount of Si, and the refining difficulty is high. Wherein, the andalusite has low impurity content and is the main raw material for smelting beryllium ore. The main phase of the agalmatolite is Be 3 Al 2 (SiO 3 ) 6 And is very stable. In the extraction process, beryllium oxide needs to be prepared firstly, and the process flow is as follows: preparing-beryllium vitreous body-sulfating leaching-impurity removal-chelation-hydrolysis-calcination-beryllium oxide from the andalusite. Wherein, sulfation leaching is one of the key links for determining the recovery rate of beryllium.
From the perspective of the overall production process of beryllium, the content of beryllium oxide in the andalusite is 9% -13%, and minerals such as aluminosilicate and quartz are also present. At present, a sulfuric acid leaching method is mainly adopted for extracting beryllium in the andalusite, the andalusite phase is firstly converted into beryllium aluminate and calcium silicate by limestone and the like under the high-temperature condition, slag is quenched by water and finely ground and then is leached by concentrated sulfuric acid, beryllium, iron, aluminum and the like which are easily dissolved in acid enter a solution, and various impurities are removed from the solution to obtain qualified beryllium oxide.
At present, a steam heating mode is mostly adopted in sulfating leaching, namely high-temperature steam and concentrated sulfuric acid are mixed, the steam has double functions of providing heat and moisture, however, in the actual production process, because the steam and the sulfuric acid can release heat instantly when being mixed, the temperature rises suddenly, the temperature control is not accurate, and in addition, due to the reduction of the concentration of the sulfuric acid, the acid mist generated at high temperature is large, the upper limit temperature is lower (less than 200 ℃) and the like, the beryllium leaching rate is reduced finally.
SUMMERY OF THE UTILITY MODEL
To beryllium extraction process accuse temperature among the prior art not accurate, the acid mist volume of production great, the upper limit temperature scheduling problem on the low side, the utility model provides a sulphuric acid leaching device of beryllium. The utility model discloses a mode of indirect heat transfer will leach the jar and divide into inside and outside shell layer, and the intermediate layer cavity between the inside and outside shell layer pours into the conduction oil and heats to set up the cover above leaching the jar, heat exchange efficiency is high, the accuse temperature is accurate, has prevented the diffusion of acid mist, has higher practical value.
According to the embodiment of the utility model, a sulphuric acid leaching device of beryllium is provided.
A sulfuric acid leaching device for beryllium comprises a leaching tank and a stirring unit. The leaching tank comprises a tank body and an inner cavity, and a tank cover is covered on the top of the tank body. The tank body of the leaching tank is of a double-shell structure and comprises an inner shell layer and an outer shell layer, and a cavity formed by the inner wall of the inner shell layer is an inner cavity of the leaching tank. The outer shell layer is sleeved outside the inner shell layer, and an interlayer cavity is arranged between the outer shell layer and the inner shell layer. The outer wall of the outer shell layer is provided with a heat medium inlet and a heat medium outlet which are communicated with the interlayer cavity. The tank cover is provided with a feeding pipe communicated with the inner cavity of the leaching tank. The bottom of the outer shell layer is provided with a discharge pipe, and one end of the discharge pipe penetrates through the outer shell layer, the interlayer cavity and the inner shell layer in sequence and then is communicated with the inner cavity of the leaching tank. The stirring unit is arranged in the inner cavity of the leaching tank.
Preferably, the outer shell layer is sleeved outside the inner shell layer and specifically comprises: the outer shell layer surrounds and is sleeved outside the side wall of the inner shell layer, and the height of the side wall of the outer shell layer is smaller than or equal to that of the side wall of the inner shell layer. An annular cylindrical sealed interlayer chamber is formed between the inner wall of the outer shell layer and the outer wall of the inner shell layer.
Preferably, the outer shell layer is sleeved outside the inner shell layer and specifically comprises: the outer shell layer is sleeved on the outer portions of the side wall and the bottom wall of the inner shell layer, and the height of the side wall of the outer shell layer is larger than that of the side wall of the inner shell layer. And an annular cylindrical sealed interlayer cavity is formed between the inner wall and the bottom wall of the outer shell layer and the outer wall and the bottom wall of the inner shell layer.
Here, the cylinder is a tubular structure with a certain thickness and two open ends, and the round barrel is a tubular structure with at least one section of closed structure with a certain thickness. The difference between the two is that: compared with a cylinder, one end of the drum is of a closed structure, namely, in addition to the interlayer cavity formed between the inner wall of the outer shell and the outer wall of the inner shell, the interlayer cavity also can be formed between the bottom wall of the outer shell and the bottom wall of the inner shell.
Preferably, the apparatus further comprises a heat insulation mechanism. The heat insulation mechanism is a heat insulation material layer or a vacuum cavity layer which is coated on the outer wall of the outer shell layer.
Preferably, the bottom surface of the inner shell layer is of one of a plane structure, a concave arc surface structure with an inward concave center or a slope structure, and is preferably of a circular concave arc surface structure with an inward concave center. Arrange the material pipe and set up in the diapire center department of shell layer to arrange the top of material pipe and upwards pass in proper order behind the diapire of shell layer, intermediate layer cavity, the diapire of inner shell layer and be linked together with the inner chamber of leaching jar.
Preferably, the device further comprises a blanking control mechanism. The blanking control mechanism comprises a movable filter screen and a movable cover. The movable filter screen is arranged at the lower end discharge opening of the discharge pipe, and the movable cover is movably arranged on the lower end discharge opening of the discharge pipe.
Preferably, the stirring unit includes a motor, a driving rod, and a stirring paddle. The motor is arranged above the tank cover. The stirring paddle is arranged in the inner cavity of the leaching tank. The upper end of the driving rod is connected with the motor, and the lower end of the driving rod penetrates through the tank cover and then extends into the inner cavity of the leaching tank to be movably connected with the stirring paddle. The motor drives the stirring paddle to rotate through the driving rod.
Preferably, the blade of the stirring paddle is one of a sheet-shaped structure, a fan-shaped structure or a conical structure, wherein the thickness of the blade is gradually increased from the center of the inner cavity of the leaching tank to the wall of the inner cavity of the leaching tank.
Preferably, the apparatus further comprises an acid mist collection tube. The tank cover is provided with an acid mist outlet. The acid mist collecting pipe penetrates through the acid mist outlet and is communicated with the inner cavity of the back leaching tank. Preferably, the acid mist outlet is connected to the acid mist collector through an acid mist collection pipe.
Preferably, the thickness of the interlayer chamber 103 is 0.2 to 1.5 times, preferably 0.3 to 1 time, and more preferably 0.5 to 0.8 times the radius of the inner cavity of the leaching tank 1. Here, the thickness of the sandwich chamber refers to a distance between an inner wall (including side walls and a bottom wall) of the outer shell layer and an outer wall (including side walls and a bottom wall) of the inner shell layer.
The utility model discloses in, to leach the jar and set up to two shell structures, for inner shell and outer shell, the inner chamber is called as to the inner wall of inner shell, as the intermediate layer cavity between inner shell, the outer shell. And injecting a heat medium into the interlayer cavity to heat the interlayer cavity, injecting quantitative sulfuric acid into the inner cavity, adding a beryllium glass body into the interlayer cavity from a feeding pipe after the sulfuric acid is heated to a required temperature, performing beryllium leaching reaction, and controlling the injection flow of the heat medium and the temperature of a reaction system in the reaction process. And (3) stopping stirring after a certain leaching time is kept, ending the leaching reaction, opening a movable cover on a discharging pipe to discharge the beryllium-containing leaching solution, opening a movable filter screen to discharge leaching residues after the beryllium-containing leaching solution is completely discharged, and finishing the process after the leaching residues are completely discharged. The device adopts the mode of indirect heating to sulphuric acid and heats, has avoided the problem that the accuse temperature that water and sulphuric acid contact lead to is not accurate, the acid mist volume is big.
The utility model discloses in, cup joint the shell layer simultaneously in the outside of inner shell layer lateral wall and diapire, the height that highly is greater than the inner shell layer lateral wall of shell layer lateral wall. The sealed intermediate layer cavity of annular cask form between the outer wall and the diapire of the inner shell layer and the inner wall and the diapire of shell layer increases the heating area of sulphuric acid in the leaching cavity for leach speed improves production efficiency. Preferably, the bottom surface of the inner shell layer is provided with an arc surface or an inclined surface, so that the heating area of the sulfuric acid is further increased. The length of the discharge pipe is reduced while the heating area of the sulfuric acid is further increased, and the problem that partial beryllium vitreous body enters the discharge pipe in the stirring and leaching process to reduce the leaching efficiency is solved.
The utility model discloses in, establish acid-proof cover at jar body top cover, collect the acid mist that leaches the in-process and produce through the acid mist export to send to the acid mist collector, centralized processing avoids the environmental impact that the acid mist diffusion caused.
The utility model discloses in, set up the blade of stirring rake into from the center of leaching jar inner chamber to one of the slice, fan-shaped or the coniform structure that the chamber wall thickness of leaching jar inner chamber increases in proper order, improve stirring efficiency, adapt to the inner shell bottom surface on cambered surface or inclined plane better, have better stirring effect to sulphuric acid and beryllium vitreous body.
The utility model discloses in, set up the insulating layer in the outside of shell layer, maintain the temperature of hot medium and sulphuric acid in the leaching jar, prevent that the heat from scattering and disappearing, improve and leach efficiency, reduce energy loss.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a pair of beryllium sulphuric acid leaching device adopts the mode of indirect heat transfer, has avoided water and sulphuric acid direct contact, has improved the temperature upper limit that leaches the system in the time of can accurate accuse temperature for leaching speed, improvement production efficiency has reduced the production of acid mist, has better application prospect.
2. The utility model provides a pair of sulphuric acid leaching device of beryllium is cambered surface or irregular surface with the bottom surface design of inner shell layer, has increased sulphuric acid and hot medium's heat transfer area, has improved heat exchange efficiency.
3. The utility model provides a pair of sulphuric acid leaching device of beryllium is provided with cover and acid mist collector, has avoided the diffusion of acid mist and to the influence of environment.
Drawings
Fig. 1 is a schematic structural diagram of a beryllium sulfuric acid leaching device provided by the present invention.
Fig. 2 is a schematic structural diagram of a beryllium sulfuric acid leaching device with a heat insulation mechanism according to the present invention.
Fig. 3 is a schematic structural diagram of a bottom surface of a first inner layer in a beryllium sulfuric acid leaching device provided by the present invention.
Fig. 4 is a schematic structural diagram of a bottom surface of a second inner layer in the beryllium sulfuric acid leaching device provided by the present invention.
Fig. 5 is a schematic structural view of the bottom surface of the third inner layer in the beryllium sulfuric acid leaching device provided by the present invention.
Fig. 6 is a schematic structural view of a blanking control mechanism in the beryllium sulfuric acid leaching device provided by the present invention.
Fig. 7 is a schematic structural diagram of a stirring unit in the beryllium sulfuric acid leaching device provided by the present invention.
Fig. 8 is a schematic structural diagram of a beryllium sulfuric acid leaching device with an acid mist collector, according to the present invention.
Reference numerals: 1: a leaching tank; 101: an inner shell layer; 102: an outer shell layer; 103: an interlayer chamber; 104: a heat medium inlet; 105: a thermal medium outlet; 106: a discharge pipe; 2: a stirring unit; 201: a motor; 202: a drive rod; 203: a stirring paddle; 3: a can lid; 301: a feed pipe; 302: an acid mist collecting pipe; 303: an acid mist outlet; 4: a heat insulation mechanism; 5: a blanking control mechanism; 6: and an acid mist collector.
Detailed Description
The technical solutions of the present invention are illustrated below, and the claimed scope of the present invention includes, but is not limited to, the following embodiments.
A sulfuric acid leaching device for beryllium comprises a leaching tank 1 and a stirring unit 2. The leaching tank 1 comprises a tank body and an inner cavity, and a tank cover 3 is covered on the top of the tank body. The leaching tank 1 has a double-shell structure and comprises an inner shell 101 and an outer shell 102, and a cavity formed by the inner wall of the inner shell 101 is an inner cavity of the leaching tank 1. The outer shell layer 102 is disposed over the inner shell layer 101, and a sandwich chamber 103 is disposed between the outer shell layer 102 and the inner shell layer 101. The outer wall of the outer shell layer 102 is provided with a heat medium inlet 104 and a heat medium outlet 105, and both the heat medium inlet 104 and the heat medium outlet 105 are communicated with the interlayer chamber 103. The tank cover 3 is provided with a feeding pipe 301 communicated with the inner cavity of the leaching tank 1. A discharge pipe 106 is arranged at the bottom of the outer shell layer 102, and one end of the discharge pipe 106 is communicated with the inner cavity of the leaching tank 1 after sequentially penetrating through the outer shell layer 102, the interlayer cavity 103 and the inner shell layer 101. The stirring unit 2 is arranged in the inner cavity of the leaching tank 1.
Preferably, the outer shell layer 102 is sleeved outside the inner shell layer 101, specifically: the outer shell layer 102 is sleeved outside the side wall of the inner shell layer 101 in a surrounding manner, and the height of the side wall of the outer shell layer 102 is less than or equal to that of the side wall of the inner shell layer 101. An annular cylindrical sealed interlayer chamber 103 is formed between the inner wall of the outer shell layer 102 and the outer wall of the inner shell layer 101.
Preferably, the outer shell layer 102 is sleeved outside the inner shell layer 101, specifically: the outer shell 102 is sleeved outside the side wall and the bottom wall of the inner shell 101, and the height of the side wall of the outer shell 102 is greater than that of the side wall of the inner shell 101. An annular cylindrical sealed interlayer chamber 103 is formed between the inner wall and the bottom wall of the outer shell layer 102 and the outer wall and the bottom wall of the inner shell layer 101.
Preferably, the device further comprises a heat insulation means 4. The heat insulation mechanism 4 is a heat insulation material layer or a vacuum chamber layer coated on the outer wall of the outer shell layer 102.
Preferably, the bottom surface of the inner shell layer 101 is one of a planar structure, a concave arc structure with a concave center, or a slope structure, and is preferably a circular concave arc structure with a concave center. The discharge pipe 106 is arranged at the center of the bottom wall of the outer shell layer 102, and the top end of the discharge pipe 106 sequentially penetrates through the bottom wall of the outer shell layer 102, the interlayer chamber 103 and the bottom wall of the inner shell layer 101 upwards and then is communicated with the inner cavity of the leaching tank 1.
Preferably, the device further comprises a blanking control mechanism 5. The blanking control mechanism 5 comprises a movable filter screen 501 and a movable cover 502. The movable filter screen 501 is arranged at the lower end discharge opening of the discharge pipe 106, and the movable cover 502 is movably mounted on the lower end discharge opening of the discharge pipe 106.
Preferably, the stirring unit 2 includes a motor 201, a driving rod 202, and a stirring paddle 203. The motor 201 is disposed above the tank cover 3. The stirring paddle 203 is arranged in the inner cavity of the leaching tank 1. The upper end of the driving rod 202 is connected with the motor 201, and the lower end of the driving rod 202 penetrates through the tank cover 3 and then extends into the inner cavity of the leaching tank 1 to be movably connected with the stirring paddle 203. The motor 201 drives the stirring paddle 203 to rotate through the driving rod 202.
Preferably, the blades of the stirring paddle 203 are in one of a sheet-shaped, fan-shaped or conical structure with the thickness gradually increasing from the center of the inner cavity of the leaching tank 1 to the wall of the inner cavity of the leaching tank 1.
Preferably, the apparatus further comprises an acid mist collection tube 302. The tank cover 3 is provided with an acid mist outlet 303. The acid mist collecting pipe 302 passes through the acid mist outlet 303 and is communicated with the inner cavity of the back leaching tank 1. Preferably, the acid mist outlet 303 is connected to the acid mist collector 6 via an acid mist collecting pipe 302.
Preferably, the thickness of the interlayer chamber 103 is 0.2 to 1.5 times, preferably 0.3 to 1 time, and more preferably 0.5 to 0.8 times the radius of the inner cavity of the leaching tank 1.
Example 1
A sulfuric acid leaching device for beryllium comprises a leaching tank 1 and a stirring unit 2. The leaching tank 1 comprises a tank body and an inner cavity, and a tank cover 3 is covered on the top of the tank body. The leaching tank 1 has a double-shell structure and comprises an inner shell 101 and an outer shell 102, and a cavity formed by the inner wall of the inner shell 101 is an inner cavity of the leaching tank 1. The outer shell layer 102 is disposed over the inner shell layer 101, and a sandwich chamber 103 is disposed between the outer shell layer 102 and the inner shell layer 101. The outer wall of the outer shell layer 102 is provided with a heat medium inlet 104 and a heat medium outlet 105, and both the heat medium inlet 104 and the heat medium outlet 105 are communicated with the interlayer chamber 103. The tank cover 3 is provided with a feeding pipe 301 communicated with the inner cavity of the leaching tank 1. A discharge pipe 106 is arranged at the bottom of the outer shell layer 102, and one end of the discharge pipe 106 is communicated with the inner cavity of the leaching tank 1 after sequentially penetrating through the outer shell layer 102, the interlayer cavity 103 and the inner shell layer 101. The stirring unit 2 is arranged in the inner cavity of the leaching tank 1.
Example 2
As shown in fig. 1, the embodiment 1 is repeated, except that the outer shell layer 102 is sleeved outside the inner shell layer 101 specifically: the outer shell layer 102 is sleeved outside the side wall of the inner shell layer 101 in a surrounding manner, and the height of the side wall of the outer shell layer 102 is less than or equal to that of the side wall of the inner shell layer 101. An annular cylindrical sealed interlayer chamber 103 is formed between the inner wall of the outer shell layer 102 and the outer wall of the inner shell layer 101.
Example 3
Example 1 is repeated, except that the outer shell layer 102 is sleeved outside the inner shell layer 101 specifically as follows: the outer shell 102 is sleeved outside the side wall and the bottom wall of the inner shell 101, and the height of the side wall of the outer shell 102 is greater than that of the side wall of the inner shell 101. An annular cylindrical sealed interlayer chamber 103 is formed between the inner wall and the bottom wall of the outer shell layer 102 and the outer wall and the bottom wall of the inner shell layer 101.
Example 4
Example 3 is repeated, as shown in fig. 2, except that the apparatus further comprises a heat-insulating means 4. The heat insulation mechanism 4 is a heat insulation material layer or a vacuum chamber layer which is coated on the outer wall of the outer shell layer 102.
Example 5
As shown in fig. 3, example 4 is repeated except that the bottom surface of the inner shell layer 101 has a planar configuration. The discharge pipe 106 is arranged at the center of the bottom wall of the outer shell layer 102, and the top end of the discharge pipe 106 sequentially penetrates through the bottom wall of the outer shell layer 102, the interlayer chamber 103 and the bottom wall of the inner shell layer 101 upwards and then is communicated with the inner cavity of the leaching tank 1.
Example 6
As shown in fig. 4, the embodiment 4 is repeated, except that the bottom surface of the inner shell layer 101 is a concave arc surface structure with a concave center. The discharge pipe 106 is arranged at the center of the bottom wall of the outer shell layer 102, and the top end of the discharge pipe 106 sequentially penetrates through the bottom wall of the outer shell layer 102, the interlayer chamber 103 and the bottom wall of the inner shell layer 101 upwards and then is communicated with the inner cavity of the leaching tank 1.
Example 7
As shown in fig. 5, the embodiment 4 is repeated except that the bottom surface of the inner shell layer 101 has a slope structure with a concave center. The discharge pipe 106 is arranged at the center of the bottom wall of the outer shell layer 102, and the top end of the discharge pipe 106 sequentially penetrates through the bottom wall of the outer shell layer 102, the interlayer chamber 103 and the bottom wall of the inner shell layer 101 upwards and then is communicated with the inner cavity of the leaching tank 1.
Example 8
As shown in fig. 6, example 6 was repeated except that the apparatus further included a blanking control mechanism 5. The blanking control mechanism 5 comprises a movable filter screen 501 and a movable cover 502. The movable filter screen 501 is arranged at the lower end discharge opening of the discharge pipe 106, and the movable cover 502 is movably mounted on the lower end discharge opening of the discharge pipe 106.
Example 9
As shown in fig. 7, embodiment 8 is repeated except that the stirring unit 2 includes a motor 201, a driving lever 202, and a stirring paddle 203. The motor 201 is disposed above the tank cover 3. The stirring paddle 203 is arranged in the inner cavity of the leaching tank 1. The upper end of the driving rod 202 is connected with the motor 201, and the lower end of the driving rod 202 penetrates through the tank cover 3 and then extends into the inner cavity of the leaching tank 1 to be movably connected with the stirring paddle 203. The motor 201 drives the stirring paddle 203 to rotate through the driving rod 202.
Example 10
Example 9 was repeated except that the blades of the paddle 203 had a sheet-like structure in which the thickness of the wall of the inner cavity of the leaching tank 1 was gradually increased from the center of the inner cavity of the leaching tank 1.
Example 11
Example 10 is repeated, except that the apparatus further comprises an acid mist collection tube 302, as shown in fig. 8. The tank cover 3 is provided with an acid mist outlet 303. The acid mist collecting pipe 302 passes through the acid mist outlet 303 and is communicated with the inner cavity of the back leaching tank 1. The acid mist outlet 303 is connected to the acid mist collector 6 via an acid mist collecting pipe 302.
Example 12
Example 11 was repeated except that the thickness of the sandwiched chamber 103 was 0.5 times the radius of the inner cavity of the leaching tank 1.
Example 13
Example 11 was repeated except that the thickness of the sandwiched chamber 103 was 0.8 times the radius of the inner cavity of the leaching tank 1.
Claims (14)
1. A sulfuric acid leaching device for beryllium is characterized in that: the device comprises a leaching tank (1) and a stirring unit (2); the leaching tank (1) comprises a tank body and an inner cavity, and the top of the tank body is covered with a tank cover (3); the leaching tank body of the leaching tank (1) is of a double-shell structure and comprises an inner shell layer (101) and an outer shell layer (102), and a cavity formed by the inner wall of the inner shell layer (101) is an inner cavity of the leaching tank (1); the outer shell layer (102) is sleeved outside the inner shell layer (101), and an interlayer cavity (103) is formed between the outer shell layer (102) and the inner shell layer (101); the outer wall of the outer shell layer (102) is provided with a heat medium inlet (104) and a heat medium outlet (105), and the heat medium inlet (104) and the heat medium outlet (105) are both communicated with the interlayer cavity (103); a feed pipe (301) communicated with the inner cavity of the leaching tank (1) is arranged on the tank cover (3); a discharge pipe (106) is arranged at the bottom of the outer shell layer (102), and one end of the discharge pipe (106) penetrates through the outer shell layer (102), the interlayer chamber (103) and the inner shell layer (101) in sequence and then is communicated with the inner cavity of the leaching tank (1); the stirring unit (2) is arranged in the inner cavity of the leaching tank (1).
2. The apparatus of claim 1, wherein: the outer shell layer (102) is sleeved outside the inner shell layer (101) and specifically comprises the following components: the outer shell layer (102) is sleeved outside the side wall of the inner shell layer (101) in a surrounding mode, and the height of the side wall of the outer shell layer (102) is smaller than or equal to that of the side wall of the inner shell layer (101); an annular cylindrical sealed interlayer chamber (103) is formed between the inner wall of the outer shell layer (102) and the outer wall of the inner shell layer (101).
3. The apparatus of claim 1, wherein: the outer shell layer (102) is sleeved outside the inner shell layer (101) and specifically comprises the following components: the outer shell layer (102) is sleeved outside the side wall and the bottom wall of the inner shell layer (101) at the same time, and the height of the side wall of the outer shell layer (102) is greater than that of the side wall of the inner shell layer (101); an annular cylindrical sealed interlayer chamber (103) is formed between the inner wall and the bottom wall of the outer shell layer (102) and the outer wall and the bottom wall of the inner shell layer (101).
4. The apparatus of claim 2 or 3, wherein: the device also comprises a heat insulation mechanism (4); the heat insulation mechanism (4) is a heat insulation material layer or a vacuum cavity layer which is coated on the outer wall of the outer shell layer (102).
5. The apparatus of claim 4, wherein: the bottom surface of the inner shell layer (101) is of one of a plane structure, a concave arc surface structure with an inward concave center or an inclined plane structure; the material discharging pipe (106) is arranged at the center of the bottom wall of the outer shell layer (102), and the top end of the material discharging pipe (106) sequentially penetrates through the bottom wall of the outer shell layer (102), the interlayer chamber (103) and the bottom wall of the inner shell layer (101) and then is communicated with the inner cavity of the leaching tank (1).
6. The apparatus of claim 5, wherein: the bottom surface of the inner shell layer (101) is of a circular concave cambered surface structure with an inward concave center.
7. The apparatus of claim 5, wherein: the device also comprises a blanking control mechanism (5); the blanking control mechanism (5) comprises a movable filter screen (501) and a movable cover (502); the movable filter screen (501) is arranged at the lower end discharge opening of the discharge pipe (106), and the movable cover (502) is movably arranged on the lower end discharge opening of the discharge pipe (106).
8. The apparatus of claim 6, wherein: the stirring unit (2) comprises a motor (201), a driving rod (202) and a stirring paddle (203); the motor (201) is arranged above the tank cover (3); the stirring paddle (203) is arranged in the inner cavity of the leaching tank (1); the upper end of the driving rod (202) is connected with the motor (201), and the lower end of the driving rod (202) penetrates through the tank cover (3) and then extends into the inner cavity of the leaching tank (1) to be movably connected with the stirring paddle (203); the motor (201) drives the stirring paddle (203) to rotate through the driving rod (202).
9. The apparatus of claim 8, wherein: the blade of the stirring paddle (203) is one of a sheet-shaped structure, a fan-shaped structure or a conical structure, wherein the thickness of the blade is increased from the center of the inner cavity of the leaching tank (1) to the wall of the inner cavity of the leaching tank (1).
10. The apparatus of claim 8, wherein: the device also comprises an acid mist collecting pipe (302); an acid mist outlet (303) is formed in the tank cover (3); the acid mist collecting pipe (302) passes through the acid mist outlet (303) and is communicated with the inner cavity of the leaching tank (1).
11. The apparatus of claim 10, wherein: the acid mist outlet (303) is connected to the acid mist collector (6) through an acid mist collecting pipe (302).
12. The apparatus of claim 1, wherein: the thickness of the interlayer chamber (103) is 0.2-1.5 times of the radius of the inner cavity of the leaching tank (1).
13. The apparatus of claim 12, wherein: the thickness of the interlayer cavity (103) is 0.3-1 time of the radius of the inner cavity of the leaching tank (1).
14. The apparatus of claim 13, wherein: the thickness of the interlayer chamber (103) is 0.5-0.8 time of the radius of the inner cavity of the leaching tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222167711.0U CN218596473U (en) | 2022-08-17 | 2022-08-17 | Sulfuric acid leaching device for beryllium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222167711.0U CN218596473U (en) | 2022-08-17 | 2022-08-17 | Sulfuric acid leaching device for beryllium |
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| Publication Number | Publication Date |
|---|---|
| CN218596473U true CN218596473U (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222167711.0U Active CN218596473U (en) | 2022-08-17 | 2022-08-17 | Sulfuric acid leaching device for beryllium |
Country Status (1)
| Country | Link |
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| CN (1) | CN218596473U (en) |
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2022
- 2022-08-17 CN CN202222167711.0U patent/CN218596473U/en active Active
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