A device and method for preparing potassium superoxide powder by potassium metal spray oxidation method

Abstract

The invention relates to the technical field of potassium superoxide preparation, and in particular to an apparatus and method for preparing potassium superoxide powder by a metallic potassium spray oxidation method. The apparatus and method comprise an atomizing tank and a potassium storage tank; an air pipe, a powder delivery pipe, a motor stator, a motor rotor, a plurality of mounting blocks, a plurality of guide plates and a heater. The air pipe passes through the potassium storage tank and then extends into the bottom of the atomizing tank. The powder delivery pipe is sleeved on the outer side of the air pipe. A potassium powder channel is arranged between the powder delivery pipe and the air pipe. Two ends of the powder delivery pipe are respectively connected to the potassium storage tank and the bottom of the atomizing tank. The motor stator is sleeved on the output end of the powder delivery pipe. The motor rotor is rotatably mounted inside the motor stator. A plurality of mounting blocks are evenly mounted on the inner wall circumference of the motor rotor. A plurality of guide plates are respectively mounted on the inner walls of a plurality of mounting blocks. A plurality of guide plates are spirally arranged. The heater is sleeved on the outer wall of the output end of the powder delivery pipe. The apparatus divides and crushes liquefied potassium into droplets and then inputs them into the atomizing tank to prepare potassium superoxide powder with smaller particle size. The apparatus has good practicality.

Description

Technical Field

[0001] The invention relates to the technical field of potassium superoxide preparation, and in particular to a device and a method for preparing potassium superoxide powder by a metallic potassium spray oxidation method. Background Art

[0002] The spray oxidation method utilizes the characteristics of fine particles' fast mass transfer and heat transfer. Liquid potassium metal is sprayed into mist through a spray gun, so that it can fully contact with oxygen in the air and undergo oxidation reaction, thereby preparing potassium superoxide powder.

[0003] The Chinese invention patent with publication number CN111744451A discloses a reactor and system for continuously producing potassium superoxide by a three-channel spray combustion method. The system includes a central mixed gas pipeline, a metal potassium liquid flow pipeline, a guide groove tube and a main mixed gas pipeline arranged in sequence from the inside to the outside. The gap inside the central mixed gas pipeline is the central mixed gas channel; the gap between the central mixed gas pipeline and the metal potassium liquid flow pipeline is the metal potassium liquid flow channel; the gap between the guide groove tube and the main mixed gas pipeline is the main mixed gas channel; a three-channel spray combustion reactor is adopted, and the swirl directions of the three fluids of the central mixed gas, the metal potassium liquid flow and the main mixed gas are in the same direction, and the metal potassium liquid flow is sandwiched between the mixed gas and the inside to achieve strong mixing and sufficient reaction.

[0004] However, the above-mentioned prior art blows the liquefied potassium into atomization through high-pressure gas during operation. Since the liquefied potassium is continuously delivered to the spray head, the atomized particles of the liquefied potassium are larger, resulting in larger particles of the prepared potassium superoxide powder. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a device and method for preparing potassium superoxide powder by a metallic potassium spray oxidation method with good practicality, which can divide liquefied potassium into droplets and then input them into an atomizing tank to prepare potassium superoxide powder with smaller particle size.

[0006] The invention discloses a device for preparing potassium superoxide powder by a metallic potassium spray oxidation method, comprising an atomizing tank and a potassium storage tank, wherein an atomizing chamber is arranged inside the atomizing tank, and a storage chamber is arranged inside the potassium storage tank; the device also comprises an air pipe, a powder delivery pipe, a motor stator, a motor rotor, a plurality of mounting blocks, a plurality of guide plates and a heater, wherein the input end of the air pipe passes through the storage chamber of the potassium storage tank, the output end of the air pipe extends into the bottom of the atomizing chamber of the atomizing tank, the powder delivery pipe is sleeved on the outer side of the air pipe, a potassium powder channel is arranged between the powder delivery pipe and the air pipe, and the input end of the powder delivery pipe is connected to the storage chamber of the potassium storage tank The output end of the powder delivery pipe extends into the bottom of the atomization chamber of the atomizer tank, the motor stator is sleeved on the output end of the powder delivery pipe, the motor rotor is rotatably installed inside the motor stator, the motor rotor is sleeved on the outer side of the outer wall of the air pipe, a plurality of mounting blocks are evenly installed on the inner wall circumference of the motor rotor, a plurality of guide pieces are respectively installed on the inner walls of a plurality of mounting blocks, the inner edge circles of the plurality of guide pieces are in sliding contact with the outer wall of the air pipe, the plurality of guide pieces are spirally arranged, the heater is sleeved on the outer wall of the output end of the powder delivery pipe, and the heater is located below the motor stator; when working, the input end of the air pipe It is connected to an external air system, pure potassium powder is added to the storage chamber of the potassium storage tank, and the pure potassium powder is transported to the atomization tank through the potassium powder channel between the air pipe and the powder delivery pipe. The heater heats and liquefies the pure potassium powder at the output end of the powder delivery pipe, and the motor stator is energized to drive the motor rotor to rotate. The motor rotor drives the multiple guide pieces to rotate through the multiple mounting blocks. The lower ends of the multiple guide pieces scoop up the liquefied potassium at the output end of the powder delivery pipe, and the multiple guide pieces divide the scooped liquefied potassium into thin strips and then transport them to the output end of the air pipe. Since the multiple guide pieces are spiral-shaped, The plurality of guide plates are used to accelerate and throw out the liquefied potassium strips, and in the process of throwing out, the liquefied potassium strips are broken and refined to form droplets, the potassium droplets are blown into the atomization chamber of the atomization tank by the high-pressure air output by the air pipe and form potassium mist droplets, the potassium mist droplets contact with the oxygen in the atomization chamber of the atomization tank to form potassium superoxide powder, and the potassium superoxide powder falls into the bottom of the atomization chamber of the atomization tank and gathers. Compared with the prior art, the liquefied potassium is divided and broken into droplets and then input into the atomization tank to form ultrafine droplets, so as to prepare potassium superoxide powder with smaller particle size, and the practicability is good.

[0007] Preferably, it also includes a lower mounting ring, a plurality of lower magnetic blocks, an upper mounting ring and a plurality of upper magnetic blocks, the plurality of mounting blocks are slidably mounted on the inner wall of the motor rotor in a liftable manner, the plurality of mounting blocks are all magnetic, the lower mounting ring is concentrically mounted on the lower end of the motor stator, the plurality of lower magnetic blocks are evenly mounted on the circumference of the upper end surface of the lower mounting ring, the upper mounting ring is concentrically mounted on the upper end of the motor stator, the plurality of upper magnetic blocks are evenly mounted on the circumference of the lower end surface of the upper mounting ring, the plurality of lower magnetic blocks and the plurality of upper magnetic blocks are alternately arranged; when the motor stator drives the motor rotor to rotate, the motor rotor drives the plurality of mounting blocks to rotate, and when the mounting blocks pass When the lower magnetic block is moved, the lower magnetic block and the lower end of the mounting block are magnetically repelled, thereby pushing the mounting block upward, so that the lower end of the guide piece on the mounting block is separated from the liquefied potassium. When the mounting block passes through the upper magnetic block, the upper magnetic block and the upper end of the mounting block are repelled, thereby pushing the mounting block downward, so that the lower end of the guide piece on the mounting block is in contact with the liquefied potassium, and the liquefied potassium is scooped up. Due to the intermittent lifting of the mounting block, the scooped liquefied potassium forms very short thin strips, thereby further reducing the particle size of the potassium mist droplets, thereby further preparing potassium superoxide powder with a smaller particle size, and having good practicality.

[0008] Preferably, it also includes a gathering nozzle, which is concentrically mounted on the side wall of the upper mounting ring, and the output end of the gathering nozzle extends out of the output end of the air pipe and contracts inward; the gathering nozzle guides the liquefied potassium transported in the channel between the powder feeding pipe and the air pipe to the output port of the air pipe, thereby improving the atomization efficiency of the liquefied potassium.

[0009] Preferably, it also includes a guide rod and a plurality of guide vanes, the guide rod is located at the center of the output end of the air pipe, and a plurality of guide vanes are evenly installed on the circumference of the side wall of the guide rod, and the plurality of guide vanes are arranged obliquely; the guide rod and the plurality of guide vanes divide and obliquely guide the high-pressure air output by the air pipe, so that the high-pressure air is fully in contact with and dispersed by the liquefied potassium, thereby improving the atomization efficiency of the liquefied potassium.

[0010] Preferably, it also includes a branch pipe and a solenoid valve, the branch pipe is located at the upper part of the storage chamber of the potassium storage tank, the branch pipe is connected to the air pipe, and the solenoid valve is installed on the branch pipe; when the solenoid valve is opened, the high-pressure air in the air pipe is input into the upper part of the storage chamber of the potassium storage tank through the branch pipe, so that the air pressure pushes the pure potassium powder in the storage chamber of the potassium storage tank toward the powder delivery pipe, thereby realizing the stable delivery of the pure potassium powder.

[0011] Preferably, it also includes an oxygen tube and a nozzle, the output end of the oxygen tube extends into the upper part of the atomization chamber of the atomization tank, the output end of the oxygen tube is installed with the nozzle, and the nozzle faces the output end of the air pipe; oxygen is transported through the oxygen tube and sprayed through the nozzle, so that the oxygen and the potassium droplets collide with each other up and down, so that the potassium droplets are oxidized more fully.

[0012] Preferably, it also includes a dust extraction pipe, a dust collector and a filter cloth, the input end of the dust extraction pipe is connected to the top of the atomization chamber of the atomization tank, the output end of the dust extraction pipe extends into the dust collector, and the filter cloth is installed inside the dust collector; the fan in the dust collector is operated to draw the dust diffused to the top of the atomization chamber of the atomization tank into the dust collector through the dust extraction pipe, and the filter cloth intercepts and filters the dust to avoid pollution caused by dust diffusion.

[0013] Preferably, it also includes a discharge pipe, a powder box, an auger blade and a reduction motor, the input end of the discharge pipe is connected to the bottom of the atomization chamber of the atomization tank, the output end of the discharge pipe extends into the powder box, the auger blade is rotatably installed in the output end of the discharge pipe, the reduction motor is installed on the powder box, and the output shaft of the reduction motor is transmission-connected to the auger blade; the potassium superoxide powder at the bottom of the atomization chamber of the atomization tank enters into the discharge pipe, the reduction motor drives the auger blade to rotate, and the auger blade discharges the potassium superoxide powder in the discharge pipe into the powder box, thereby improving the discharge efficiency of the potassium superoxide powder.

[0014] Preferably, it also includes a sieve basket, a cam plate and a connecting rod, the sieve basket is located inside the powder box, one end of the sieve basket is rotatably connected to the inside of the powder box, the other end of the sieve basket is installed with the connecting rod, the cam plate is concentrically installed on the central axis of the auger blade, and the connecting rod is slidably connected to the cam groove of the cam plate through a sliding rod; when the reduction motor drives the auger blade to rotate, the auger blade drives the cam plate to rotate, because the sliding rod at the upper end of the connecting rod is always slidably connected in the cam groove, the cam plate drives the connecting rod to reciprocate and rise and fall through the cam groove, and the lower end of the connecting rod drives the sieve basket to rotate around the connection between the sieve basket and the powder box, so that the sieve basket swings back and forth up and down, so as to screen and disperse the potassium superoxide powder in the sieve basket and avoid accumulation of potassium superoxide powder.

[0015] A method for preparing potassium superoxide powder by a metallic potassium spray oxidation method of the present invention comprises the following steps:

[0016] S1. Add pure potassium powder into the potassium storage tank, open the solenoid valve to allow the high-pressure air in the air pipe to be input into the storage chamber of the potassium storage tank through the branch pipe, and push the pure potassium powder toward the powder delivery pipe;

[0017] S2, the heater heats the pure potassium powder to liquefy it, the motor stator is energized to drive the motor rotor to rotate, the motor rotor drives the multiple guide plates to rotate through the multiple mounting blocks, when the mounting blocks pass through the lower magnetic block and the upper magnetic block, they rise and fall under the action of magnetic force, the lower ends of the descending multiple guide plates scoop up the liquefied potassium at the output end of the powder delivery pipe to form short and thin strips, the multiple guide plates accelerate the throwing of the liquefied potassium short and thin strips, and in the process of throwing, the liquefied potassium thin strips are broken and refined to form droplets, the potassium droplets are blown into the atomization chamber of the atomization tank by the high-pressure air output by the air pipe and form potassium droplets;

[0018] S3, oxygen is transported through the oxygen pipe and sprayed through the nozzle, so that the oxygen and potassium droplets collide with each other up and down, so that the potassium droplets contact with the oxygen to form potassium superoxide powder, and the potassium superoxide powder falls into the bottom of the atomization chamber of the atomization tank and gathers;

[0019] S4, the potassium superoxide powder at the bottom of the atomization chamber of the atomization tank enters the discharge pipe, the reduction motor drives the auger blade to rotate, and the auger blade discharges the potassium superoxide powder in the discharge pipe into the sieve basket in the powder box;

[0020] S5. When the reduction motor drives the auger blade to rotate, the auger blade drives the cam plate to rotate, and the cam plate drives the connecting rod to move up and down through the cam groove, so that the connecting rod drives the end of the screen basket to swing up and down, thereby screening and dispersing the potassium superoxide powder in the screen basket to avoid accumulation of potassium superoxide powder.

[0021] Compared with the prior art, the invention has the following beneficial effects: by dividing and crushing liquefied potassium into droplets and then inputting them into an atomizing tank, ultrafine droplets are formed, thereby preparing potassium superoxide powder with a smaller particle size, and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of an apparatus for preparing potassium superoxide powder by a metallic potassium spray oxidation method according to the present invention;

[0023] Figure 2 It is a front cross-sectional structural schematic diagram of an apparatus for preparing potassium superoxide powder by a metallic potassium spray oxidation method according to the present invention;

[0024] Figure 3 It is a schematic diagram of the axonometric structure of an apparatus for preparing potassium superoxide powder by a metallic potassium spray oxidation method according to the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the potassium storage tank, air pipe, powder delivery pipe and branch pipe;

[0026] Figure 5 It is a schematic diagram of the structure of the atomizing tank, air pipe, powder delivery pipe, motor stator, guide plate, gathering nozzle, guide plate, heater and oxygen pipe;

[0027] Figure 6 yes Figure 2 The enlarged structural diagram at A in the middle;

[0028] Figure 7 It is a structural diagram of the air pipe, powder delivery pipe, motor stator, motor rotor, mounting block, guide piece, lower mounting ring and lower magnetic block;

[0029] Figure 8 It is a schematic diagram of the exploded state of the air pipe, powder delivery pipe, motor stator, motor rotor, mounting block, guide piece, lower mounting ring and lower magnetic block;

[0030] Fig. 9 It is a partial cross-sectional structural diagram of the discharge pipe, powder box, auger blades, reduction motor and screen basket;

[0031] Fig.10 It is a structural schematic diagram of the discharge pipe, auger blades, reduction motor, screen basket, cam plate and connecting rod.

[0032] Markings in the attached drawings: 1. atomizing tank; 2. potassium storage tank; 3. air pipe; 4. powder delivery pipe; 5. motor stator; 6. motor rotor; 7. mounting block; 8. guide plate; 9. lower mounting ring; 10. lower magnetic block; 11. upper mounting ring; 12. upper magnetic block; 13. gathering nozzle; 14. guide rod; 15. guide plate; 16. heater; 17. branch pipe; 18. solenoid valve; 19. oxygen pipe; 20. nozzle; 21. dust extraction pipe; 22. dust collector; 23. filter cloth; 24. discharge pipe; 25. powder box; 26. auger blade; 27. reduction motor; 28. sieve basket; 29. ​​cam plate; 30. connecting rod. DETAILED DESCRIPTION

[0033] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0034] Example 1

[0035] like Figures 1 to 8As shown, a device for preparing potassium superoxide powder by a metallic potassium spray oxidation method comprises an atomizing tank 1 and a potassium storage tank 2, wherein an atomizing chamber is arranged inside the atomizing tank 1, and a storage chamber is arranged inside the potassium storage tank 2; it also comprises an air pipe 3, a powder delivery pipe 4, a motor stator 5, a motor rotor 6, a plurality of mounting blocks 7, a plurality of guide plates 8 and a heater 16, wherein the input end of the air pipe 3 passes through the storage chamber of the potassium storage tank 2, and the output end of the air pipe 3 extends into the bottom of the atomizing chamber of the atomizing tank 1, the powder delivery pipe 4 is sleeved on the outside of the air pipe 3, a potassium powder channel is arranged between the powder delivery pipe 4 and the air pipe 3, the input end of the powder delivery pipe 4 is communicated with the storage chamber of the potassium storage tank 2, and the powder delivery pipe 4 is connected to the storage chamber of the potassium storage tank 2. The output end of the powder tube 4 extends into the bottom of the atomizing chamber of the atomizing tank 1, the motor stator 5 is sleeved on the output end of the powder delivery tube 4, the motor rotor 6 is rotatably installed inside the motor stator 5, the motor rotor 6 is sleeved on the outer side of the outer wall of the air pipe 3, a plurality of mounting blocks 7 are evenly mounted on the inner wall circumference of the motor rotor 6, a plurality of guide pieces 8 are respectively mounted on the inner walls of a plurality of mounting blocks 7, the inner edge circles of the plurality of guide pieces 8 are in sliding contact with the outer wall of the air pipe 3, the plurality of guide pieces 8 are spirally arranged, the heater 16 is sleeved on the outer wall of the output end of the powder delivery tube 4, and the heater 16 is located below the motor stator 5; it also includes a lower mounting ring 9, a plurality of lower magnetic blocks 1 0, an upper mounting ring 11 and a plurality of upper magnetic blocks 12, a plurality of mounting blocks 7 are slidably mounted on the inner wall of the motor rotor 6, the plurality of mounting blocks 7 are all magnetic, a lower mounting ring 9 is concentrically mounted on the lower end of the motor stator 5, a plurality of lower magnetic blocks 10 are evenly mounted on the circumference of the upper end surface of the lower mounting ring 9, an upper mounting ring 11 is concentrically mounted on the upper end of the motor stator 5, a plurality of upper magnetic blocks 12 are evenly mounted on the circumference of the lower end surface of the upper mounting ring 11, and a plurality of lower magnetic blocks 10 and a plurality of upper magnetic blocks 12 are alternately arranged; and also includes a gathering nozzle 13, the gathering nozzle 13 is concentrically mounted on the side wall of the upper mounting ring 11, and the output end of the gathering nozzle 13 extends out of the output end of the trachea 3 The output end of the trachea 3 is contracted inwardly; the guide rod 14 and a plurality of guide vanes 15 are also included, the guide rod 14 is located at the center of the output end of the trachea 3, and a plurality of guide vanes 15 are evenly installed on the circumference of the side wall of the guide rod 14, and the plurality of guide vanes 15 are arranged obliquely; the branch pipe 17 and the solenoid valve 18 are also included, the branch pipe 17 is located at the upper part of the storage chamber of the potassium storage tank 2, the branch pipe 17 is connected with the trachea 3, and the solenoid valve 18 is installed on the branch pipe 17; the oxygen pipe 19 and the nozzle 20 are also included, the output end of the oxygen pipe 19 extends into the upper part of the atomization chamber of the atomization tank 1, and the nozzle 20 is installed at the output end of the oxygen pipe 19, and the nozzle 20 faces the output end of the trachea 3.

[0036] During operation, the input end of the air pipe 3 is connected to an external air system, pure potassium powder is added to the storage chamber of the potassium storage tank 2, and the solenoid valve 18 is opened, so that the high-pressure air in the air pipe 3 is input to the upper part of the storage chamber of the potassium storage tank 2 through the branch pipe 17, so that the air pressure pushes the pure potassium powder in the storage chamber of the potassium storage tank 2 toward the powder delivery pipe 4, and the pure potassium powder is transported to the atomization tank 1 through the potassium powder channel between the air pipe 3 and the powder delivery pipe 4, and the heater 16 works to heat and liquefy the pure potassium powder at the output end of the powder delivery pipe 4, and the motor stator 5 is powered on to drive the motor rotor 6 to rotate, and the motor rotor 6 drives the multiple guide plates 8 to rotate through the multiple mounting blocks 7;

[0037] When the motor stator 5 drives the motor rotor 6 to rotate, the motor rotor 6 drives the multiple mounting blocks 7 to rotate. When the mounting block 7 passes the lower magnetic block 10, the lower magnetic block 10 and the lower end of the mounting block 7 are magnetically repelled, thereby pushing the mounting block 7 upward, so that the lower end of the guide piece 8 on the mounting block 7 is separated from the liquefied potassium. When the mounting block 7 passes the upper magnetic block 12, the upper magnetic block 12 and the upper end of the mounting block 7 are repelled, thereby pushing the mounting block 7 downward, so that the lower end of the guide piece 8 on the mounting block 7 is in contact with the liquefied potassium, and the liquefied potassium is shoveled up. Due to the intermittent lifting of the mounting block 7, the shoveled liquefied potassium is formed into very short thin strips, thereby further reducing the particle size of the potassium droplets. The multiple guide pieces 8 shovel the liquefied potassium into short and thin strips. Transport to the output end of the trachea 3. Since the plurality of guide pieces 8 are spiral, the plurality of guide pieces 8 accelerate the throwing out of the liquefied potassium strips. In the process of throwing out, the liquefied potassium strips are broken and refined to form droplets. The potassium droplets are blown into the atomization chamber of the atomization tank 1 by the high-pressure air output by the trachea 3 and form potassium droplets. The high-pressure air output by the trachea 3 is divided and obliquely guided by the guide rod 14 and the plurality of guide pieces 15, so that the high-pressure air is fully in contact with the liquefied potassium and is scattered. Oxygen is transported by the oxygen pipe 19 and ejected by the nozzle 20, so that the oxygen and the potassium droplets are offset from top to bottom, so that the potassium droplets are oxidized more fully, and the potassium droplets are in contact with oxygen to form potassium superoxide powder. The potassium superoxide powder falls into the bottom of the atomization chamber of the atomization tank 1 and gathers.

[0038] Compared with the prior art, the liquefied potassium is divided and crushed into droplets and then input into the atomizing tank 1 to form ultra-fine droplets, thereby preparing potassium superoxide powder with a smaller particle size.

[0039] Example 2

[0040] like Figures 1 to 3As shown, on the basis of Example 1, it also includes a dust extraction pipe 21, a dust collector 22 and a filter cloth 23. The input end of the dust extraction pipe 21 is connected to the top of the atomization chamber of the atomization tank 1, and the output end of the dust extraction pipe 21 extends into the dust collector 22. The filter cloth 23 is installed inside the dust collector 22. The fan in the dust collector 22 is operated to draw the dust diffused to the top of the atomization chamber of the atomization tank 1 into the dust collector 22 through the dust extraction pipe 21, and the filter cloth 23 intercepts and filters the dust to avoid pollution caused by dust diffusion.

[0041] Example 3

[0042] like Figures 1 to 3 , Fig. 9 and Fig.10 As shown, on the basis of Example 1, it also includes a discharge pipe 24, a powder box 25, an auger blade 26 and a reduction motor 27, the input end of the discharge pipe 24 is connected to the bottom of the atomization chamber of the atomization tank 1, the output end of the discharge pipe 24 extends into the powder box 25, the auger blade 26 is rotatably installed in the output end of the discharge pipe 24, the reduction motor 27 is installed on the powder box 25, and the output shaft of the reduction motor 27 is transmission connected to the auger blade 26; it also includes a sieve basket 28, a cam plate 29 and a connecting rod 30, the sieve basket 28 is located inside the powder box 25, one end of the sieve basket 28 is rotatably connected to the inside of the powder box 25, the other end of the sieve basket 28 is installed with the connecting rod 30, the cam plate 29 is concentrically installed on the central axis of the auger blade 26, and the connecting rod 30 is slidably connected to the cam groove of the cam plate 29 through a slide bar.

[0043] The potassium superoxide powder at the bottom of the atomization chamber of the atomization tank 1 enters the discharge pipe 24, and the reduction motor 27 drives the auger blade 26 to rotate. The auger blade 26 discharges the potassium superoxide powder in the discharge pipe 24 into the powder box 25 and falls into the sieve basket 28. When the reduction motor 27 drives the auger blade 26 to rotate, the auger blade 26 drives the cam plate 29 to rotate. Since the sliding rod at the upper end of the connecting rod 30 is always slidably connected in the cam groove, the cam plate 29 drives the connecting rod 30 to reciprocate and rise and fall through the cam groove, and the lower end of the connecting rod 30 drives the sieve basket 28 to rotate around the connection between the sieve basket 28 and the powder box 25, so that the sieve basket 28 swings back and forth up and down, and the potassium superoxide powder in the sieve basket 28 is screened and dispersed to avoid accumulation of potassium superoxide powder.

[0044] like Figures 1 to 10 As shown, a method for preparing potassium superoxide powder by a metallic potassium spray oxidation method of the present invention comprises the following steps:

[0045] S1, pure potassium powder is added to the potassium storage tank 2, and the solenoid valve 18 is opened to allow the high-pressure air in the air pipe 3 to be input into the storage chamber of the potassium storage tank 2 through the branch pipe 17, pushing the pure potassium powder toward the powder delivery pipe 4;

[0046] S2, the heater 16 heats the pure potassium powder to liquefy it, the motor stator 5 is powered on to drive the motor rotor 6 to rotate, the motor rotor 6 drives the multiple guide pieces 8 to rotate through the multiple mounting blocks 7, when the mounting blocks 7 pass through the lower magnetic block 10 and the upper magnetic block 12, they rise and fall under the action of magnetic force, the lower ends of the descending multiple guide pieces 8 scoop up the liquefied potassium at the output end of the powder delivery pipe 4 and form short and thin strips, the multiple guide pieces 8 accelerate the throwing of the liquefied potassium short and thin strips, and in the process of throwing, the liquefied potassium thin strips are broken and refined to form droplets, and the potassium droplets are blown into the atomization chamber of the atomization tank 1 by the high-pressure air output by the air pipe 3 to form potassium droplets;

[0047] S3, oxygen is transported through the oxygen pipe 19 and sprayed through the nozzle 20, so that the oxygen and the potassium droplets collide with each other up and down, so that the potassium droplets contact with the oxygen to form potassium superoxide powder, and the potassium superoxide powder falls into the bottom of the atomization chamber of the atomization tank 1 and gathers;

[0048] S4, the potassium superoxide powder at the bottom of the atomizing chamber of the atomizing tank 1 enters the discharge pipe 24, the reduction motor 27 drives the auger blade 26 to rotate, and the auger blade 26 discharges the potassium superoxide powder in the discharge pipe 24 into the sieve basket 28 in the powder box 25;

[0049] S5. When the reduction motor 27 drives the auger blade 26 to rotate, the auger blade 26 drives the cam plate 29 to rotate, and the cam plate 29 drives the connecting rod 30 to rise and fall reciprocatingly through the cam groove, so that the connecting rod 30 drives the end of the screen basket 28 to swing up and down reciprocatingly, and the potassium superoxide powder in the screen basket 28 is screened and dispersed to avoid the accumulation of potassium superoxide powder.

[0050] The main functions achieved by the present invention are:

[0051] 1. Split the liquefied potassium into droplets and input them into the atomization tank to prepare potassium superoxide powder with smaller particle size, which is more practical;

[0052] 2. Pure potassium powder is transported by air pressure to achieve stable transportation of pure potassium powder;

[0053] 3. The potassium droplets are oxidized more fully by the upward and downward collision of oxygen and potassium droplets;

[0054] 4. Avoid accumulation of potassium superoxide powder by sieving and dispersing the potassium superoxide powder.

[0055] The atomizing tank 1, potassium storage tank 2, air pipe 3, powder delivery pipe 4, motor stator 5, motor rotor 6, lower mounting ring 9, lower magnetic block 10, upper mounting ring 11, upper magnetic block 12, heater 16, solenoid valve 18, nozzle 20, dust collector 22, filter cloth 23, powder box 25, auger blade 26, reduction motor 27, sieve basket 28 and cam plate 29 of the device and method for preparing potassium superoxide powder by metallic potassium spray oxidation method of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the attached instruction manual.

[0056] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A device for preparing potassium superoxide powder by a metallic potassium spray oxidation method, comprising an atomizing tank (1) and a potassium storage tank (2), wherein an atomizing chamber is arranged inside the atomizing tank (1), and a storage chamber is arranged inside the potassium storage tank (2); characterized in that: The invention also comprises an air pipe (3), a powder delivery pipe (4), a motor stator (5), a motor rotor (6), a plurality of mounting blocks (7), a plurality of guide plates (8) and a heater (16). The input end of the air pipe (3) passes through the storage chamber of the potassium storage tank (2), the output end of the air pipe (3) extends into the bottom of the atomization chamber of the atomization tank (1), the powder delivery pipe (4) is sleeved on the outside of the air pipe (3), a potassium powder channel is arranged between the powder delivery pipe (4) and the air pipe (3), the input end of the powder delivery pipe (4) is communicated with the storage chamber of the potassium storage tank (2), the output end of the powder delivery pipe (4) extends into the bottom of the atomization chamber of the atomization tank (1), the motor stator (5) is sleeved on the output end of the powder delivery pipe (4), the motor rotor (6) is rotatably mounted inside the motor stator (5), and the motor rotor (6) is sleeved on the air pipe (3). The outer wall of the motor rotor (6) is uniformly mounted with a plurality of mounting blocks (7) on the inner wall of the motor rotor (6). The plurality of guide pieces (8) are respectively mounted on the inner walls of the plurality of mounting blocks (7). The inner edges of the plurality of guide pieces (8) are in sliding contact with the outer wall of the air pipe (3). The plurality of guide pieces (8) are spirally arranged. The heater (16) is sleeved on the outer wall of the output end of the powder delivery pipe (4). The heater (16) is located below the motor stator (5). The invention also comprises a lower mounting ring (9), a plurality of lower magnetic blocks (10), an upper mounting ring (11) and a plurality of upper magnetic blocks (12); the plurality of mounting blocks (7) are slidably mounted on the inner wall of the motor rotor (6) in a liftable manner; the plurality of mounting blocks (7) are all magnetic; the lower mounting ring (9) is concentrically mounted on the lower end of the motor stator (5); the plurality of lower magnetic blocks (10) are evenly mounted on the circumference of the upper end surface of the lower mounting ring (9); the upper mounting ring (11) is concentrically mounted on the upper end of the motor stator (5); the plurality of upper magnetic blocks (12) are evenly mounted on the circumference of the lower end surface of the upper mounting ring (11); the plurality of lower magnetic blocks (10) and the plurality of upper magnetic blocks (12) are alternately arranged.

2. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 1, characterized in that: It also includes a gathering nozzle (13), which is coaxially mounted on the side wall of the upper mounting ring (11), and the output end of the gathering nozzle (13) extends out of the output end of the air pipe (3) and contracts inwardly.

3. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 1, characterized in that: It also includes a guide rod (14) and a plurality of guide vanes (15), wherein the guide rod (14) is located at the center of the output end of the air pipe (3), and a plurality of guide vanes (15) are evenly installed on the circumference of the side wall of the guide rod (14), and the plurality of guide vanes (15) are arranged obliquely.

4. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 1, characterized in that: The invention also comprises a branch pipe (17) and a solenoid valve (18), wherein the branch pipe (17) is located at the upper part of the storage chamber of the potassium storage tank (2), the branch pipe (17) is connected to the air pipe (3), and the solenoid valve (18) is installed on the branch pipe (17).

5. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 4, characterized in that: It also includes an oxygen tube (19) and a nozzle (20), the output end of the oxygen tube (19) extends into the upper part of the atomizing chamber of the atomizing tank (1), the output end of the oxygen tube (19) is installed with the nozzle (20), and the nozzle (20) faces the output end of the air pipe (3).

6. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 1, characterized in that: It also includes a dust extraction pipe (21), a dust collector (22) and a filter cloth (23), wherein the input end of the dust extraction pipe (21) is connected to the top of the atomization chamber of the atomization tank (1), and the output end of the dust extraction pipe (21) extends into the dust collector (22), and the filter cloth (23) is installed inside the dust collector (22).

7. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 5, characterized in that: It also includes a discharge pipe (24), a powder box (25), an auger blade (26) and a reduction motor (27). The input end of the discharge pipe (24) is connected to the bottom of the atomization chamber of the atomization tank (1), and the output end of the discharge pipe (24) extends into the powder box (25). The auger blade (26) is rotatably installed in the output end of the discharge pipe (24). The reduction motor (27) is installed on the powder box (25), and the output shaft of the reduction motor (27) is drivingly connected to the auger blade (26).

8. The device for preparing potassium superoxide powder by spray oxidation of potassium metal as claimed in claim 7, characterized in that: The invention also comprises a sieve basket (28), a cam plate (29) and a connecting rod (30). The sieve basket (28) is located inside the powder box (25). One end of the sieve basket (28) is rotatably connected to the inside of the powder box (25). The connecting rod (30) is installed on the other end of the sieve basket (28). The cam plate (29) is concentrically installed on the central axis of the auger blade (26). The connecting rod (30) is slidably connected to the cam groove of the cam plate (29) through a sliding rod.

9. A method for preparing potassium superoxide powder based on the device for preparing potassium superoxide powder by the metallic potassium spray oxidation method as claimed in claim 8, characterized in that: include: S1. Pure potassium powder is added to the potassium storage tank (2). The solenoid valve (18) is opened to allow the high-pressure air in the air pipe (3) to be input into the storage chamber of the potassium storage tank (2) through the branch pipe (17), thereby pushing the pure potassium powder toward the powder delivery pipe (4); S2, the heater (16) heats the pure potassium powder to liquefy it, the motor stator (5) is energized to drive the motor rotor (6) to rotate, the motor rotor (6) drives the multiple guide plates (8) to rotate through the multiple mounting blocks (7), when the mounting blocks (7) pass through the lower magnetic block (10) and the upper magnetic block (12), they rise and fall under the action of magnetic force, the lower ends of the descending multiple guide plates (8) scoop up the liquefied potassium at the output end of the powder delivery pipe (4) to form short and thin strips, the multiple guide plates (8) accelerate and throw out the liquefied potassium short and thin strips, and in the process of throwing out, the liquefied potassium thin strips are broken and refined to form droplets, the potassium droplets are blown into the atomization chamber of the atomization tank (1) by the high-pressure air output by the air pipe (3) and form potassium mist droplets; S3, oxygen is transported through the oxygen pipe (19) and sprayed out through the nozzle (20), so that the oxygen and the potassium droplets collide with each other upward and downward, so that the potassium droplets contact with the oxygen to form potassium superoxide powder, and the potassium superoxide powder falls into the bottom of the atomization chamber of the atomization tank (1) and gathers; S4, the potassium superoxide powder at the bottom of the atomizing chamber of the atomizing tank (1) enters the discharge pipe (24), the reduction motor (27) drives the auger blade (26) to rotate, and the auger blade (26) discharges the potassium superoxide powder in the discharge pipe (24) into the sieve basket (28) in the powder box (25); S5. When the reduction motor (27) drives the auger blade (26) to rotate, the auger blade (26) drives the cam plate (29) to rotate. The cam plate (29) drives the connecting rod (30) to move up and down through the cam groove, so that the connecting rod (30) drives the end of the screen basket (28) to move up and down. The screen basket (28) reciprocates and swings up and down to screen and disperse the potassium superoxide powder in the screen basket (28) to avoid accumulation of the potassium superoxide powder.

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