阅读说明：本技术 一种合金矿物空压连续进料、均衡反应装置 (Alloy mineral air-compression continuous feeding and balanced reaction device ) 是由 吴理觉 邓朝勇 李石凤 张劲 石波 钟岳联 李斌 于 2020-06-12 设计创作，主要内容包括：本发明公开了一种合金矿物空压连续进料、均衡反应装置,包括分解槽、调浆槽、第一电动机、第一稳压桶、第二稳压桶、氢氟酸酸管、第三稳压桶、硫酸酸管和第二电动机,所述分解槽的底部固定有出料管；所述第二电动机的输出端连接有第一搅拌轴；所述第一搅拌轴上固定有若干第一搅拌叶；所述第一电动机的输出端连接有第二搅拌轴；所述第二搅拌轴延伸到调浆槽内部；所述第二搅拌轴上固定有若干第二搅拌叶；所述调浆槽上固定有第二输料管。该发明的有益效果是不仅解决了连续进料、均衡反应、安全生产的问题,还能极大提高机械效率,降低人力,节约成本,制造方便。(The invention discloses an alloy mineral air-compression continuous feeding and equalizing reaction device which comprises a decomposition tank, a size mixing tank, a first motor, a first pressure stabilizing barrel, a second pressure stabilizing barrel, a hydrofluoric acid pipe, a third pressure stabilizing barrel, a sulfuric acid pipe and a second motor, wherein a discharge pipe is fixed at the bottom of the decomposition tank; the output end of the second motor is connected with a first stirring shaft; a plurality of first stirring blades are fixed on the first stirring shaft; the output end of the first motor is connected with a second stirring shaft; the second stirring shaft extends into the size mixing tank; a plurality of second stirring blades are fixed on the second stirring shaft; and a second conveying pipeline is fixed on the size mixing tank. The invention has the advantages of solving the problems of continuous feeding, balanced reaction and safe production, greatly improving the mechanical efficiency, reducing the labor power, saving the cost and being convenient to manufacture.)

1. The utility model provides an alloy mineral air-compressing continuous feeding, balanced reaction unit which characterized in that: the device comprises a decomposition tank (1), a size mixing tank (4), a first motor (5), a first pressure stabilizing barrel (8), a second pressure stabilizing barrel (26), a hydrofluoric acid pipe (27), a third pressure stabilizing barrel (28), a sulfuric acid pipe (30) and a second motor (36), wherein a discharge pipe (35) is fixed at the bottom of the decomposition tank (1); the output end of the second motor (36) is connected with a first stirring shaft (2); a plurality of first stirring blades (3) are fixed on the first stirring shaft (2); the output end of the first motor (5) is connected with a second stirring shaft (6); the second stirring shaft (6) extends into the size mixing tank (4); a plurality of second stirring blades (7) are fixed on the second stirring shaft (6); a second material conveying pipe (12) is fixed on the size mixing tank (4); a third on-off valve (13) is arranged on the second material conveying pipe (12); the other end of the second material conveying pipe (12) extends into the first pressure stabilizing barrel (8); the side wall of the first pressure stabilizing barrel (8) is connected with an air delivery pipe (16); the other side wall of the first pressure stabilizing barrel (8) is connected with a first material conveying pipe (10); the other end of the first conveying pipeline (10) extends to the interior of a first metering device (14); a first switching valve (9) is arranged on the first material conveying pipe (10); a fourth material conveying pipe (17) is connected to the first metering device (14); the fourth material conveying pipe (17) extends to the interior of the decomposition tank (1); a second switch valve (11) is arranged on the fourth material conveying pipe (17); the bottom of the first pressure stabilizing barrel (8) is provided with a porous structure (15); one end of the porous structure (15) is communicated with the air delivery pipe (16), and the other end of the porous structure is communicated with the first air delivery pipe (10); the other end of the air delivery pipe (16) is hermetically connected with an outlet of a blower (39); a sulfuric acid pipe (30) is connected to the third pressure stabilizing barrel (28); an eighth material conveying pipe (32) is connected to the third pressure stabilizing barrel (28); a second pneumatic switch (31) is arranged on the eighth material conveying pipe (32); the other end of the eighth material conveying pipe (32) extends to the inside of a third metering device (33); a seventh material conveying pipe (25) is connected to the third metering device (33); a fifth switch valve (34) is arranged on the seventh delivery pipe (25); the seventh conveying pipe (25) extends to the interior of the decomposition tank (1); a hydrofluoric acid pipe (27) is connected to the second pressure stabilizing barrel (26); a sixth material conveying pipe (23) is connected to the second pressure stabilizing barrel (26); a first pneumatic switch (24) is arranged on the sixth conveying pipe (23); the other end of the sixth conveying pipe (23) extends into the second metering device (21); a fifth material conveying pipe (20) is connected to the second metering device (21); the fifth conveying pipe (20) extends to the interior of the decomposition tank (1); a fourth switching valve (22) is arranged on the fifth conveying pipe (20); a fixing plate (19) is arranged at the upper end inside the decomposition tank (1); a water outlet structure (38) and an exhaust pipe (37) are arranged on the decomposition tank (1); the water outlet structure (38) and the exhaust pipe (37) are vertically and fixedly arranged on the fixing plate (19) and extend into the decomposing tank (1).

2. The alloy mineral air-compression continuous feeding and equilibrium reaction device as claimed in claim 1, wherein: the first meter (14), the second meter (21) and the third meter (33) are all made of transparent materials.

3. The alloy mineral air-compression continuous feeding and equilibrium reaction device as claimed in claim 1, wherein: the output end of the second motor (36) is connected with a first stirring shaft (2) through a first connecting flange.

4. The alloy mineral air-compression continuous feeding and equilibrium reaction device as claimed in claim 1, wherein: the output end of the first motor (5) is connected with a second stirring shaft (6) through a second connecting flange.

5. The alloy mineral air-compression continuous feeding and equilibrium reaction device as claimed in claim 1, wherein: a first through hole for a fourth conveying pipeline (17) to pass through is formed in the fixing plate (19); a second through hole for a seventh conveying pipeline (25) to pass through is formed in the fixing plate (19); and a third through hole for a fifth conveying pipeline (20) to pass through is formed in the fixing plate (19).

6. The alloy mineral air-compression continuous feeding and equilibrium reaction device as claimed in claim 1, wherein: go out water structure (38) and include and install cavity pivot (381) on fixed plate (19) through sealed bearing (382), the lower extreme of cavity pivot (381) extends to the interior upper portion of decomposer (1) and be fixed with sprinkler bead (383), the upper end of cavity pivot (381) extends to the outside top of fixed plate (19) and be connected with sealed bearing flange (384) of being connected with outside pipe connection, be fixed with at the uniform velocity electric motor (385) on fixed plate (19), the coaxial first drive wheel (386) that is fixed with of output of at the uniform velocity electric motor (385), be fixed with second drive wheel (387) on cavity pivot (381), first drive wheel (386) through driving belt (388) with second drive wheel (387) transmission is connected.

Technical Field

The invention relates to the technical field of continuous feeding, balanced reaction and intelligent control of tantalum-niobium alloy mineral materials in tantalum-niobium wet smelting, in particular to an alloy mineral air pressure continuous feeding and balanced reaction device.

Background

Tantalum niobium is a key element of high-tech industry, and is increasingly favored by countries around the world, and tantalum and niobium are listed as strategic minerals in the united states, the european union and japan. One of the raw materials of the tantalum-niobium product is tantalum-niobium ore which belongs to a scarce and non-renewable resource, and with the increase of the exploitation amount, the tantalum-niobium ore is in increasingly short supply and has higher price. The tantalum-niobium alloy ore as another raw material of the tantalum-niobium product is abundant in resources, but the tantalum-niobium alloy ore is complex in impurity components and contains more metal simple substances and silicon simple substances, such as Nb, Ta, Fe, W, Si, Al, Mg, Ca, Mn, Sn, Ti and the like, in the acid leaching decomposition section of the tantalum-niobium hydrometallurgy process, the rate of hydrogen generation of the tantalum-niobium alloy ore is difficult to control, the explosion risk is very high, and many tantalum-niobium hydrometallurgy manufacturers basically abandon the use of the tantalum-niobium alloy ore. At present, in the acid leaching decomposition process of the tantalum-niobium alloy ore hydrometallurgy process, a small amount of ore feeding mode, a plurality of times of ore feeding mode and a discontinuous ore feeding mode are adopted to avoid the explosion of hydrogen generated by the excessive ore feeding of the alloy ore. Therefore, a device is urgently needed to be designed, the problems of continuous ore feeding, balanced reaction, controllable and safe production of hydrogen generation rate and the like in the acid leaching decomposition process of the tantalum-niobium alloy ore wet smelting process are solved, the mechanical efficiency can be greatly improved, the labor is reduced, the cost is saved, and automatic intelligent control is realized.

Disclosure of Invention

The invention aims to provide an alloy mineral air-compression continuous feeding and equilibrium reaction device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an alloy mineral air-compression continuous feeding and equilibrium reaction device comprises a decomposition tank, a size mixing tank, a first motor, a first pressure stabilizing barrel, a second pressure stabilizing barrel, a hydrofluoric acid pipe, a third pressure stabilizing barrel, a sulfuric acid pipe and a second motor, wherein a discharge pipe is fixed at the bottom of the decomposition tank; the output end of the second motor is connected with a first stirring shaft; a plurality of first stirring blades are fixed on the first stirring shaft; the output end of the first motor is connected with a second stirring shaft; the second stirring shaft extends into the size mixing tank; a plurality of second stirring blades are fixed on the second stirring shaft; a second conveying pipe is fixed on the size mixing tank; a third switch valve is arranged on the second conveying pipeline; the other end of the second conveying pipe extends into the first pressure stabilizing barrel; the side wall of the first pressure stabilizing barrel is connected with an air delivery pipe; the other side wall of the first pressure stabilizing barrel is connected with a first material conveying pipe; the other end of the first conveying pipeline extends into the first meter; a first switching valve is arranged on the first conveying pipeline; a fourth conveying pipeline is connected to the first metering device; the fourth conveying pipe extends to the interior of the decomposition tank; a second switch valve is arranged on the fourth conveying pipeline; the bottom of the first pressure stabilizing barrel is provided with a porous structure; one end of the porous structure is communicated with the air delivery pipe, and the other end of the porous structure is communicated with the first air delivery pipe; the other end of the air delivery pipe is hermetically connected with an outlet of the blower; the third pressure stabilizing barrel is connected with a sulfuric acid pipe; an eighth material conveying pipe is connected to the third pressure stabilizing barrel; a second pneumatic switch is arranged on the eighth material conveying pipe; the other end of the eighth material conveying pipe extends into the third metering device; a seventh material conveying pipe is connected to the third metering device; a fifth switching valve is arranged on the seventh conveying pipe; the seventh conveying pipe extends to the interior of the decomposition tank; a hydrofluoric acid pipe is connected to the second pressure stabilizing barrel; a sixth material conveying pipe is connected to the second pressure stabilizing barrel; a first pneumatic switch is arranged on the sixth conveying pipe; the other end of the sixth conveying pipeline extends into the second meter; a fifth conveying pipeline is connected to the second metering device; the fifth conveying pipe extends to the interior of the decomposition tank; a fourth switching valve is arranged on the fifth conveying pipeline; a fixing plate is arranged at the upper end inside the decomposition tank; a water outlet structure and an exhaust pipe are arranged on the decomposition tank; the water outlet structure and the exhaust pipe are vertically and fixedly arranged on the fixing plate and extend into the decomposing tank.

Preferably, the first meter, the second meter and the third meter are all made of transparent materials.

Preferably, the output end of the second motor is connected with a first stirring shaft through a first connecting flange.

Preferably, the output end of the first motor is connected with a second stirring shaft through a second connecting flange.

Preferably, a first through hole for a fourth conveying pipeline to pass through is formed in the fixing plate; a second through hole for a seventh conveying pipeline to pass through is formed in the fixing plate; and a third through hole for the fifth conveying pipeline to pass through is formed in the fixing plate.

Preferably, the water outlet structure comprises a hollow rotating shaft installed on a fixed plate through a sealing bearing, the lower end of the hollow rotating shaft extends to the upper inner portion of the decomposition tank and is fixedly provided with a water spraying head, the upper end of the hollow rotating shaft extends to the upper outer portion of the fixed plate and is connected with a sealing bearing flange connected with an external pipeline, the fixed plate is fixedly provided with an electric motor at a constant speed, the output end of the electric motor at the constant speed is coaxially fixed with a first transmission wheel, the hollow rotating shaft is fixedly provided with a second transmission wheel, and the first transmission wheel is in transmission connection with the second transmission wheel through a transmission belt.

Compared with the prior art, the invention has the beneficial effects that:

1. the alloy mineral air-compression continuous feeding and balanced reaction device integrates an ore feeding system, an acid feeding system, a reaction system, an air draft system, an emergency system and a control system, not only solves the problems of continuous feeding, balanced reaction and controllable and safe production of hydrogen generation rate in the acid leaching process of tantalum-niobium alloy mineral hydrometallurgy, but also can greatly improve the mechanical efficiency, reduce the labor and save the cost.

2. The alloy mineral air-compression continuous feeding and balancing reaction device has a simple structure, a software system is simply programmed, connecting equipment can be completed through simple mechanical manufacturing, and the manufacturing is convenient.

3. According to the alloy mineral air-pressure continuous feeding and equilibrium reaction device, the acid leaching decomposition section of the tantalum-niobium hydrometallurgy process is enabled, the rate of hydrogen generation of the tantalum-niobium alloy ore is controllable, and the safe production of tantalum-niobium by using a large amount of tantalum-niobium alloy ore as a raw material in the tantalum-niobium hydrometallurgy process is realized.

Drawings

FIG. 1 is a schematic structural diagram of an alloy mineral air-compression continuous feeding and equilibrium reaction device of the invention;

FIG. 2 is a schematic view of the water outlet structure of the enlarged structure at A in FIG. 1;

FIG. 3 is a schematic view of a combined structure of a porous structure and an air delivery pipe of the alloy mineral air-compression continuous feeding and equilibrium reaction device.

In the figure: 1-a decomposition tank; 2-a first stirring shaft; 3-a first stirring blade; 4-a size mixing tank; 5-a first motor; 6-a second stirring shaft; 7-a second stirring blade; 8-a first surge tank; 9-a first on-off valve; 10-a first delivery pipe; 11-a second on-off valve; 12-a second delivery conduit; 13-a third on/off valve; 14-a first meter; 15-porous structure; 16-air delivery pipe; 17-a fourth delivery conduit; 19-fixing the plate; 20-fifth conveying pipeline; 21-a second meter; 22-a fourth switching valve; 23-sixth feed delivery pipe; 24-a first pneumatic switch; 25-seventh delivery conduit; 26-a third surge tank; 27-hydrofluoric acid tube; 28-a second surge tank; 30-sulfuric acid tube; 31-a second pneumatic switch; 32-eighth delivery conduit; 33-a third meter; 34-a fifth on-off valve; 35-a discharge pipe; 36-a second motor; 37-an exhaust pipe; 38-a water outlet structure; 381-hollow shaft; 382-a sealed bearing; 383-a sprinkler head; 384-sealing the bearing flange; 385-constant speed electric motor; 386-a first drive wheel; 387-a second drive wheel; 388-a drive belt; 39-blower.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "oblique", "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientations and positional relationships indicated therein based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. The terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Furthermore, features defined as "first," "second," "third," "fourth," "fifth," "sixth," "seventh," and "eighth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means one, two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically 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 in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a technical solution of an alloy mineral air-compressing continuous feeding and equilibrium reaction apparatus: an alloy mineral air-compression continuous feeding and equilibrium reaction device comprises a decomposition tank 1, a size mixing tank 4, a first motor 5, a first pressure stabilizing barrel 8, a second pressure stabilizing barrel 26, a hydrofluoric acid pipe 27, a third pressure stabilizing barrel 28, a sulfuric acid pipe 30 and a second motor 36, wherein a discharge pipe 35 is fixed at the bottom of the decomposition tank 1; the output end of the second motor 36 is connected with a first stirring shaft 2; a plurality of first stirring blades 3 are fixed on the first stirring shaft 2; the output end of the first motor 5 is connected with a second stirring shaft 6; the second stirring shaft 6 extends into the size mixing tank 4; a plurality of second stirring blades 7 are fixed on the second stirring shaft 6; a second material conveying pipe 12 is fixed on the size mixing tank 4; a third on-off valve 13 is arranged on the second material conveying pipe 12; the other end of the second conveying pipeline 12 extends into the first pressure stabilizing barrel 8; the side wall of the first pressure stabilizing barrel 8 is connected with an air delivery pipe 16; the other side wall of the first pressure stabilizing barrel 8 is connected with a first material conveying pipe 10; the other end of the first conveying pipe 10 extends into the first metering device 14; a first switch valve 9 is arranged on the first material conveying pipe 10; a fourth material conveying pipe 17 is connected to the first metering device 14; the fourth material conveying pipe 17 extends to the interior of the decomposition tank 1; a second switch valve 11 is arranged on the fourth material conveying pipe 17; the bottom of the first pressure stabilizing barrel 8 is provided with a porous structure 15; one end of the porous structure 15 is communicated with the air delivery pipe 16, and the other end is communicated with the first air delivery pipe 10; the other end of the air delivery pipe 16 is hermetically connected with an outlet of a blower 39; the third pressure stabilizing barrel 28 is connected with a sulfuric acid pipe 30; an eighth material conveying pipe 32 is connected to the third pressure stabilizing barrel 28; a second pneumatic switch 31 is arranged on the eighth material conveying pipe 32; the other end of the eighth material conveying pipe 32 extends into the third metering device 33; a seventh material conveying pipe 25 is connected to the third metering device 33; a fifth switch valve 34 is arranged on the seventh delivery pipe 25; the seventh material conveying pipe 25 extends into the decomposition tank 1; a hydrofluoric acid pipe 27 is connected to the second pressure stabilizing barrel 26; a sixth material conveying pipe 23 is connected to the second pressure stabilizing barrel 26; a first pneumatic switch 24 is arranged on the sixth conveying pipe 23; the other end of the sixth conveying pipeline 23 extends into the second metering device 21; a fifth material conveying pipe 20 is connected to the second metering device 21; the fifth conveying pipe 20 extends into the decomposition tank 1; a fourth switch valve 22 is arranged on the fifth conveying pipeline 20; a fixing plate 19 is arranged at the upper end inside the decomposition tank 1; a water outlet structure 38 and an exhaust pipe 37 are arranged on the decomposition tank 1; the water outlet structure 38 and the exhaust pipe 37 are vertically and fixedly arranged on the fixing plate 19, and both extend into the decomposition tank 1.

In this embodiment, the first gauge 14, the second gauge 21, and the third gauge 33 are all made of transparent materials.

In this embodiment, the output end of the second motor 36 is connected to the first stirring shaft 2 through a first connecting flange.

In this embodiment, the output end of the first motor 5 is connected to a second stirring shaft 6 through a second connecting flange.

In this embodiment, the fixing plate 19 is provided with a first through hole for the fourth material conveying pipe 17 to pass through; a second through hole for the seventh conveying pipeline 25 to pass through is formed in the fixing plate 19; a third through hole for the fifth conveying pipeline 20 to pass through is formed in the fixing plate 19.

In this embodiment, go out water structure 38 and include and install the cavity pivot 381 on fixed plate 19 through sealed bearing 382, the lower extreme of cavity pivot 381 extend to the interior upper portion of decomposer 1 just is fixed with sprinkler bead 383, the upper end of cavity pivot 381 extends to the outside top of fixed plate 19 just is connected with the sealed bearing flange 384 of being connected with outside tube coupling, be fixed with at the uniform velocity electric motor 385 on the fixed plate 19, the coaxial first drive wheel 386 that is fixed with of output of electric motor 385 at the uniform velocity, be fixed with the second drive wheel 387 on the cavity pivot 381, first drive wheel 386 through drive belt 388 with the transmission of second drive wheel 387 is connected.

The invention relates to an alloy mineral air-compression continuous feeding and balanced reaction device which comprises an ore adding system, an acid adding system, a reaction system, an air draft system, an emergency system and a control system. The ore feeding system comprises a size mixing tank 4, a second conveying pipe 12, a first pressure stabilizing barrel 8, a first conveying pipe 10, a first metering device 14, a fourth conveying pipe 17, a blower 39 and an air conveying pipe 16, and the ore feeding system controls materials to be continuously and uniformly fed into the decomposition tank 1 at a set speed. The acid adding system comprises a sulfuric acid adding system and a hydrofluoric acid adding system, and the sulfuric acid adding system comprises a sulfuric acid pipe 30, a second pressure stabilizing barrel 28, an eighth material conveying pipe 32, a third metering device 33 and a seventh material conveying pipe 25; the hydrofluoric acid adding system comprises a hydrofluoric acid pipe 27, a third pressure stabilizing barrel 26, a sixth delivery pipe 23, a second metering device 21 and a fifth delivery pipe 20, and the sulfuric acid and the hydrofluoric acid are continuously and uniformly added into the decomposition tank 1 at a set speed by the acid adding system. The reaction system comprises a decomposition tank 1, and the tantalum-niobium alloy mineral material, the sulfuric acid and the hydrofluoric acid react in the decomposition tank 1. The exhaust system comprises an exhaust pipe 37, the exhaust pipe 37 is connected with the tail gas treatment system, and waste gas generated in the decomposition tank 1 is timely and quickly extracted. Emergency system includes water structure 38, and when hydrogen volume exceeded the critical value in the decomposer 1, computer automatic control exhaust system increased the amount of air extracted, starts emergency system simultaneously, and emergency system lasts 360 rotations through water structure 38 rapidly and sprays a large amount of running water to the decomposer 1 in, and the running water is sprinkled to the decomposer 1 in with even mode. The control system takes the hydrogen content in the decomposition tank 1 as a dependent variable, realizes computer control through software programming, and is connected with the ore adding system, the acid adding system, the reaction system, the air draft system and the emergency system. The specific working process is as follows: the top of the size mixing tank 4 is opened, water and the tantalum-niobium alloy ore are added into the size mixing tank 4 according to the liquid-solid ratio of 1:1-1:3, and the first motor 5 is started to finish material mixing. The materials are mixed according to the liquid-solid ratio of 1:1-1:3, the specific gravity of the materials is high, the materials are easy to settle without stirring, stirring needs to be kept, stirring equipment cannot be arranged in the first pressure stabilizing barrel 8, the blower 39, the air conveying pipe 16 and the porous structure 15 are arranged, the materials are kept rolling without settling by adopting a porous air blowing method, and smooth blanking is guaranteed. And starting the blower 39, continuously blowing compressed air into the air delivery pipe 16 by the blower 39, delivering the compressed air to the porous structure 15 by the air delivery pipe 16, and keeping the materials in the first pressure stabilizing barrel 8 rolling under the action of the compressed air so as to smoothly discharge materials in the first material delivery pipe 10. The first pressure stabilizing barrel 8 keeps the same liquid level, and the blanking speed is ensured to be consistent. And confirming that the third switch valve 13, the first switch valve 9, the second pneumatic switch 31, the first pneumatic switch 24, the second switch valve 11, the fifth switch valve 34, the fourth switch valve 22 and the second motor 36 are opened, adding the tantalum-niobium alloy mineral, the sulfuric acid and the hydrofluoric acid into the decomposition tank 1 at the same time, and starting acid leaching decomposition reaction in the tantalum-niobium alloy mineral hydrometallurgy process. The hydrogen content in the decomposing tank 1 is taken as a primary control factor, a hydrogen detection point is arranged at the upper part of the inner wall of the decomposing tank 1, when the hydrogen reaches a set maximum value (the volume fraction is 3.8%), a motor of an ore adding system and a metering pump of an acid adding system are automatically controlled by a computer to reduce the feeding speed of minerals and acid, the corresponding metering pumps are equipped for control, a PLC controller controls the related metering pumps, and the PLC controller is in signal connection with terminals such as a computer for control, so that the hydrogen in the decomposing tank 1 is reduced to a reasonable range (the volume fraction is less than 3.8%); when the hydrogen content in the decomposition tank 1 is too low (the volume fraction is less than 1%), the computer automatically controls the ore adding system and the acid adding system to increase the feeding speed of the minerals and the acid, and the mineral decomposition efficiency is improved. When hydrogen volume exceedes the critical value in the decomposer 1, computer automatic control exhaust system increases the amount of wind of taking out, start emergency system simultaneously, emergency system sprays a large amount of running water in to decomposer 1 rapidly, the running water is sprinkled to in the decomposer 1 with even mode, the purpose is that remove a large amount of foams of production, avoid emerging the groove, can reduce the concentration of acid in the decomposer 1 and the temperature of reaction material simultaneously, and then reduce mineral decomposition speed, reduce hydrogen concentration in the decomposer 1, when hydrogen reduces to reasonable scope in the decomposer 1 (volume fraction is less than 3.8%), emergency system automatic stop sprays the running water to in the decomposer 1, exhaust system resumes initial value simultaneously.

The working principle is as follows: the device comprises a slurry mixing tank 4, a first motor 5, a second stirring shaft 6, a second stirring blade 7, a first pressure stabilizing barrel 8, a first switch valve 9, a first delivery pipe 10, a second switch valve 11, a second delivery pipe 12, a third switch valve 13, a first meter 14, a fourth delivery pipe 17, a blower 39, a delivery pipe 16 and a porous structure 15, and an ore feeding system of the device comprises a fourth switch valve 22, a second meter 21, a sixth delivery pipe 23, a first pneumatic switch 24, a fifth delivery pipe 20, a third pressure stabilizing barrel 26, a hydrofluoric acid pipe 27, a second pressure stabilizing barrel 28, a sulfuric acid pipe 30, a second pneumatic switch 31, an eighth delivery pipe 32, a fifth switch valve 34, a seventh delivery pipe 25 and a third meter 33, and comprises a decomposition tank 1, a first stirring shaft 2, a first stirring blade 3 and a second motor 36, the exhaust system of this device includes exhaust column 37, exhaust column 37 links to each other with tail gas processing system, in time take out fast the waste gas that produces in the decomposer 1, the emergency system of this device includes water outlet structure 38, the control system of this device includes computer and PLC controller, consequently this device is including adding the ore deposit system, add sour system, reaction system, exhaust system, emergency system, six parts of control system, add the ore deposit system, add sour system, exhaust system, emergency system all is connected with reaction system, all links of the above-mentioned control system control specifically are: the hydrogen content in the decomposing tank 1 is taken as a primary control factor, and when the hydrogen in the decomposing tank 1 reaches a set maximum value (the volume fraction is 3.8%), the ore adding system and the acid adding system are automatically controlled by a computer to reduce the feeding speed of minerals and acid, so that the hydrogen in the decomposing tank 1 is reduced to a reasonable range (the volume fraction is less than 3.8%); when the hydrogen content in the decomposition tank 1 is too low (the volume fraction is less than 1%), the computer automatically controls the ore adding system and the acid adding system to increase the feeding speed of the minerals and the acid, and the mineral decomposition efficiency is improved. When the hydrogen amount in the decomposing tank 1 exceeds a critical value, the computer automatically controls the air draft system to increase the air draft amount, and simultaneously starts the emergency system, the emergency system rapidly sprays a large amount of tap water into the decomposing tank 1, the tap water is sprayed into the decomposing tank 1 in a uniform manner, so that a large amount of generated foam is eliminated, the overflowing is avoided, the concentration of acid in the decomposing tank 1 can be reduced, the mineral decomposition speed is reduced, the hydrogen concentration in the decomposing tank 1 is reduced, when the hydrogen in the decomposing tank 1 is reduced to a reasonable range (the volume fraction is less than 3.8%), the emergency system automatically stops spraying tap water into the decomposing tank 1, and simultaneously the air draft system recovers the initial set value, wherein the ore adding system realizes continuous and balanced feeding of minerals by the first pressure stabilizing barrel 8, the air blower 39, the air conveying pipe 16 and the uniformly arranged porous structure 15, the acid adding system realizes continuous and balanced acid adding, and the reaction system realizes continuous and balanced reaction, the ore feeding system, the acid feeding system and the reaction system can continuously and stably produce in a balanced mode, the hydrogen rate generated after reaction is controllable, safe production is achieved, meanwhile, under the action of the control system, the hydrogen content generated in the decomposing tank is used as dependent variable, intelligent linkage control is achieved, the air draft system and the emergency system are arranged, and the safety coefficient is further improved.

The technical effects are as follows: the alloy mineral air-compression continuous feeding and balanced reaction device integrates an ore feeding system, an acid feeding system, a reaction system, an air draft system, an emergency system and a control system, not only solves the problems of continuous feeding, balanced reaction and safe production, but also greatly improves the mechanical efficiency, reduces the labor and saves the cost. The continuous feeding, balanced reaction and intelligent control device has a simple structure, a software system is simply programmed, the connection equipment can be completed through simple mechanical manufacturing, and the manufacturing is convenient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.