CN114674152B - Firing device and processing technology for processing superfine praseodymium oxide - Google Patents
Firing device and processing technology for processing superfine praseodymium oxide Download PDFInfo
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- CN114674152B CN114674152B CN202210575991.0A CN202210575991A CN114674152B CN 114674152 B CN114674152 B CN 114674152B CN 202210575991 A CN202210575991 A CN 202210575991A CN 114674152 B CN114674152 B CN 114674152B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
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Abstract
The invention relates to the technical field of praseodymium oxide processing, in particular to a burning device for processing superfine praseodymium oxide, which comprises a material control cylinder, wherein the material control cylinder is in a J-shaped bent square cylinder shape, the bottom of the material control cylinder is connected with a hopper box and a door assembly, the hopper box is in a funnel shell shape with the bottom sealed, a spiral conveying piece penetrates through the axis position of the hopper box, an outer pipe is sleeved outside the spiral conveying piece, the outer pipe is arranged in an inner cavity of the hopper box, and the upper end of the outer pipe extends to the outside of the hopper box. The problem that falling praseodymium oxide powder piles up fire extinguishing flames is avoided.
Description
Technical Field
The invention relates to the technical field of praseodymium oxide processing, in particular to a burning device and a processing technology for processing superfine praseodymium oxide.
Background
In the process of processing and burning the superfine praseodymium oxide in the prior art, if the praseodymium oxide powder is subjected to high-quality burning work, a burning device is improved and designed, the automatic processing capacity of the burning device is improved, and the burning device has important significance for the development of the praseodymium oxide processing industry, so that the burning device and the processing process for processing the superfine praseodymium oxide are provided, compared with a direct burning mode in the traditional technology, the invention adopts suspension burning, so that the burning flame can be in contact with the praseodymium oxide powder to the maximum extent, the burning quality of the praseodymium oxide powder can be effectively improved, in addition, in order to avoid that a spray head of the burning flame is accidentally extinguished by the falling praseodymium oxide powder, a protective device is arranged on a flame spray head, although the flame spray head in the prior art is provided with an automatic ignition device, the flame is extinguished, then the flame is ignited again, and the time is poor in the process, therefore, the flame spraying head is controlled to move, the praseodymium oxide powder falling from the pile is avoided, the flame spraying head can continuously spray fire, the production problem that the heating of the praseodymium oxide powder is suddenly interrupted in the high-temperature burning process is avoided, and the high-quality burning work of the praseodymium oxide powder is ensured.
Disclosure of Invention
The invention aims to provide a burning device and a processing technology for processing superfine praseodymium oxide, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ignition device is used in processing of superfine praseodymium oxide, includes the accuse feed cylinder, the square barrel form of accuse feed cylinder for presenting J type bending, the bottom of accuse feed cylinder is connected with hopper box and door subassembly, the hopper box is the funnel casing form of bottom shutoff, and the axle center position of hopper box runs through there is the screw conveyor, and the outside cover of screw conveyor has the outer tube, and the outer tube setting is in the inner chamber of hopper box, and the upper end of outer tube extends to the hopper box outside, and top one side fixedly connected with chute shell of accuse feed cylinder, and the casing of chute shell is run through at the top of outer tube, screw conveyor upper end transmission is connected with the axle subassembly, all is provided with a plurality of evenly distributed's crushed aggregates device on two opposite shell plate bodies on the accuse feed cylinder, and mutual alternate distribution on the crushed aggregates device position of both sides, and axle subassembly and crushed aggregates device transmission are connected.
Preferably, the shaft assembly comprises an inclined shaft, a vertical shaft, a transverse shaft and a braking part, the upper end of the spiral conveying part is in transmission connection with the braking part, one end of the inclined shaft is in transmission connection with the braking part, the inclined shaft is fixed on one side of the sliding chute shell, one side of the inclined shaft is in transmission connection with the two vertical shafts which are distributed in parallel, the inclined shaft and the vertical shafts are in transmission connection through two bevel gears, a protruding block is fixed on one side of the material control barrel, a bearing is embedded into the protruding block, the inclined shaft penetrates through the bearing in the protruding block, one side of the vertical shaft is in transmission connection with the transverse shafts which are distributed uniformly, one side of the transverse shaft is in transmission connection with the braking part, and the spiral conveying part is in a shape that a spiral blade is fixed on a middle rod.
Preferably, the cross shaft comprises an L-shaped positioning plate, a first gear set and a cross rod, the L-shaped positioning plate is fixed on the outer wall of the material control cylinder, bearings are embedded into two ends of a plate body of the L-shaped positioning plate, the cross rod penetrates through one bearing on the L-shaped positioning plate, the vertical shaft penetrates through the other bearing on the L-shaped positioning plate, the first gear set is two bevel gears which are perpendicular to each other and distributed, the two bevel gears are in meshed transmission connection, one bevel gear on the first gear set is fixed at one end of the cross rod, the vertical shaft penetrates through the other bevel gear on the first gear set, and the cross rod is connected with the material crushing device.
Preferably, the stopper includes second gear train, control shaft, third gear train and limiting plate, and the limiting plate is fixed in one side of chute shell, and the plate body of limiting plate is all run through to the middle part pole of control shaft, skew shaft and auger delivery spare, and sets up the bearing in three position of running through respectively, is connected with the third gear train between control shaft and the skew shaft, connects the second gear train between the middle part body of rod of control shaft and auger delivery spare, and second gear train and third gear train all structurally include two mutually perpendicular distribution's bevel gear, and two bevel gear meshing connections.
Preferably, the door subassembly includes keeper, support frame and arc apron, the square hole department that the arc apron shutoff was seted up on accuse feed cylinder bottom arc casing, one side fixedly connected with support frame of arc apron, the one end fixedly connected with keeper of support frame, the keeper is fixed on one side outer wall of accuse feed cylinder.
Preferably, the crushing device comprises an intercepting device, a brake seat, a longitudinal plate member and a position control device, wherein one side of the longitudinal plate member is connected with the intercepting device in a transmission manner, the intercepting device is arranged in an inner cavity of the material control cylinder, the other side of the longitudinal plate member is connected with the brake seat in a transmission manner, the position control device is arranged at the bottom of the longitudinal plate member, the longitudinal plate member is arranged in a plate hole formed in a shell of the material control cylinder, the longitudinal plate member comprises a guide rod, springs and a longitudinal plate, the upper end of the longitudinal plate is contacted with a plurality of uniformly distributed springs, the middle parts of the springs penetrate through the guide rod, the upper end of the guide rod extends into a cylindrical groove formed in the shell of the material control cylinder, the lower end of the guide rod is fixed on the longitudinal plate, an arc groove is formed in one side wall of the longitudinal plate, the brake seat is in a conical plate shape, one end of the brake seat is propped against the arc groove wall of the longitudinal plate, a plurality of uniformly distributed tooth grooves are formed in the other side wall of the longitudinal plate, the cross bar penetrates through the brake seat.
Preferably, accuse position device includes L type limiting plate, pressure spring, flame projecting end, control tube, oblique prism and interior post, L type limiting plate is fixed in one side of accuse feed cylinder, offers the through-hole on the plate body of L type limiting plate, and the activity has cup jointed the control tube in the through-hole, and the control tube shape is the integrative butt joint of barrel in two different apertures, and the outside cover of barrel in little aperture has the flame projecting end, and the flame projecting end fills up between control tube and L type limiting plate, one side fixedly connected with oblique prism of control tube, during the recess of offering on the plate body of vertical plate is extended to the one end in the oblique prism, and be fixed with the interior post in the vertical plate recess.
Preferably, intercepting device is including location axle, sleeve and sieve, the through-hole of a plurality of evenly distributed has been seted up for square plate form and on the plate body to the sieve, and the one end fixedly connected with sleeve of sieve, telescopic middle part activity has cup jointed the location axle, and location axle both ends are all fixed on the downthehole wall of the diaphragm on the accuse feed cylinder casing, are provided with a plurality of evenly distributed's cylindricality dogtooth on the telescopic barrel lateral wall, and sleeve and vertical board meshing transmission are connected.
A processing technology of ultrafine praseodymium oxide comprises the following steps:
the method comprises the following steps: filling, wherein praseodymium oxide powder to be burnt is poured into the material filling mechanism from a top opening of the material control cylinder, flame is sprayed out by igniting a flame spraying end, and the spiral conveying piece works and rotates;
step two: firing, namely, allowing the calcined praseodymium oxide powder in the material control cylinder to fall into a funnel box, conveying the praseodymium oxide powder into a sliding groove shell through a spiral conveying piece, further allowing the praseodymium oxide powder to fall into the material control cylinder, and burning the praseodymium oxide powder in the material control cylinder again in such a circulating manner to repeatedly fire the praseodymium oxide powder;
step three: the screening plate starts to shake continuously in the process that the praseodymium oxide powder falls in the material control barrel and is impacted by the continuously shaken screening plate, so that the praseodymium oxide powder falling in a pile is diffused, and the praseodymium oxide powder is fully burnt by flame sprayed from the flaming end;
step four: protecting, namely impacting a sieve plate by praseodymium oxide powder which is accumulated in the material control cylinder and falls, excessively swinging the sieve plate downwards to trigger a flame spraying end head to move, moving a flame spraying port of the flame spraying end head outwards from an inner cavity of the material control cylinder, and avoiding the praseodymium oxide powder which is accumulated in the material control cylinder and falls;
step five: discharging, lifting the L-shaped plate-shaped hook on the bolt, naturally dropping the arc-shaped cover plate to stop plugging the bottom square hole of the material control cylinder, directly discharging the praseodymium oxide powder falling from the material control cylinder, and collecting the burned praseodymium oxide powder through a collecting mechanism.
Compared with the prior art, the invention has the beneficial effects that: 1. the praseodymium oxide powder is circularly pushed, the praseodymium oxide powder is circularly arranged on the burning device once, the high-quality burning work of the praseodymium oxide powder is realized, the circulation is realized until the praseodymium oxide powder is burnt to a specified degree, then the praseodymium oxide powder is conveniently collected by opening the arc-shaped cover plate, the fire spraying end can be moved in a protective manner, and the problem that the falling praseodymium oxide powder piles up fire extinguishing flames is solved.
2. According to the invention, the spiral conveying piece works to drive the shaft assembly to further drive the shaft assembly to a plurality of crushing devices, so that the automation degree of the whole firing device is improved, only the power supply mechanism is required to be arranged at the bottom of the spiral conveying piece, and a series of exquisite control parts are arranged in the crushing devices, so that the crushing devices can efficiently crush the falling praseodymium oxide powder in a piled manner.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of the spiral conveying member.
FIG. 3 is a schematic view of a shaft assembly configuration.
Fig. 4 is a schematic structural diagram of a portion a in fig. 3.
Fig. 5 is a schematic view of a cross bar structure.
Fig. 6 is a schematic structural diagram at B in fig. 5.
Fig. 7 is a schematic diagram of an arc-shaped cover plate structure.
Fig. 8 is a schematic structural diagram at C in fig. 1.
Fig. 9 is a schematic structural diagram of the crushing device.
Fig. 10 is a schematic view of the structure of the intercepting apparatus.
In the figure: the device comprises a material control barrel 1, a hopper box 2, a spiral conveying element 3, an outer pipe 4, a chute shell 5, an inclined shaft 6, a vertical shaft 7, a horizontal shaft 8, a braking element 9, a shaft assembly 10, a door assembly 11, a crushing device 12, an L-shaped positioning plate 13, a first gear set 14, a cross rod 15, a door bolt 16, a supporting frame 17, an arc-shaped cover plate 18, a second gear set 19, a control shaft 20, a third gear set 21, a limiting plate 22, a blocking device 23, a braking seat 24, a longitudinal plate element 25, a position control device 26, a guide rod 27, a spring 28, a longitudinal plate 29, an L-shaped limiting plate 30, a pressure spring 31, a fire spraying end 32, a control pipe 33, an inclined prism 34, an inner column 35, a positioning shaft 36, a sleeve 37 and a sieve plate 38.
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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: a firing device for processing superfine praseodymium oxide comprises a material control cylinder 1, wherein the material control cylinder 1 is in a J-shaped bent square cylinder shape, the bottom of the material control cylinder 1 is connected with a hopper box 2 and a door component 11, the hopper box 2 is in a hopper shell shape with the bottom blocked, a spiral conveying piece 3 penetrates through the axis position of the hopper box 2, an outer pipe 4 is sleeved outside the spiral conveying piece 3, the outer pipe 4 is arranged in the inner cavity of the hopper box 2, the upper end of the outer tube 4 extends to the outside of the funnel box 2, one side of the top of the material control cylinder 1 is fixedly connected with a chute shell 5, the top of the outer tube 4 penetrates through the shell of the chute shell 5, the upper end of the spiral conveying piece 3 is in transmission connection with a shaft assembly 10, a plurality of material crushing devices 12 which are uniformly distributed are arranged on two opposite shell plates on the material control cylinder 1, the crushing devices 12 on the two sides are alternately distributed, and the shaft assembly 10 is in transmission connection with the crushing devices 12.
The shaft assembly 10 comprises an inclined shaft 6, a vertical shaft 7, a horizontal shaft 8 and a brake part 9, the upper end of the spiral conveying part 3 is in transmission connection with the brake part 9, one end of the inclined shaft 6 is in transmission connection with the brake part 9, the inclined shaft 6 is fixed on one side of the chute shell 5, one side of the inclined shaft 6 is in transmission connection with the two vertical shafts 7 which are distributed in parallel, the inclined shaft 6 is in transmission connection with the vertical shafts 7 through two bevel gears, a lug is fixed on one side of the material control cylinder 1, a bearing is embedded in the lug, the inclined shaft 6 penetrates through the bearing in the lug, one side of the vertical shaft 7 is in transmission connection with a plurality of horizontal shafts 8 which are distributed uniformly, one side of the horizontal shafts 8 is in transmission connection with the brake part 9, the spiral conveying part 3 is in a shape that a spiral blade is fixed on a middle rod, as understood by referring to figure 2, the lower end of the middle rod of the spiral conveying part 3 penetrates through the shell of the hopper box 2, a bearing is embedded on the bottom shell of the hopper box 2, the middle rod of the spiral conveying part 3 penetrates through the bearing, the bottom of auger delivery piece 3 is connected with the actuating mechanism among the prior art, control auger delivery piece 3's rotation, there is the certain distance between the bottom of outer tube 4 and funnel box 2, expose the helical blade on auger delivery piece 3 like this, and then the accumulated praseodymium oxide powder in funnel box 2 bottom is under rotatory auger delivery piece 3 effect, praseodymium oxide powder is carried into outer tube 4, discharge from sliding chute shell 5 at last, in the following sliding chute shell 5 falls into control feed cylinder 1 down, fall into funnel box 2 after the ignition in control feed cylinder 1, so circulate, realize the repeated firing work to praseodymium oxide powder.
The cross shaft 8 comprises an L-shaped positioning plate 13, a first gear set 14 and a cross rod 15, the L-shaped positioning plate 13 is fixed on the outer wall of the material control cylinder 1, bearings are embedded in two ends of a plate body of the L-shaped positioning plate 13, the cross rod 15 penetrates through one bearing on the L-shaped positioning plate 13, the vertical shaft 7 penetrates through the other bearing on the L-shaped positioning plate 13, the first gear set 14 is two bevel gears which are perpendicular to each other and are in transmission connection, one bevel gear on the first gear set 14 is fixed at one end of the cross rod 15, the vertical shaft 7 penetrates through the other bevel gear on the first gear set 14, and the cross rod 15 is connected with the material crushing device 12.
Braking piece 9 includes second gear set 19, control shaft 20, third gear set 21 and limiting plate 22, limiting plate 22 is fixed in one side of chute shell 5, control shaft 20, limiting plate 22's plate body is all run through to the middle part pole of skew shaft 6 and auger delivery spare 3, and set up the bearing in three through position respectively, be connected with third gear set 21 between control shaft 20 and the skew shaft 6, connect second gear set 19 between the middle part body of rod of control shaft 20 and auger delivery spare 3, second gear set 19 and third gear set 21 all include two mutually perpendicular distribution's bevel gear structurally, and two bevel gear meshing connect.
The door component 11 comprises a door bolt 16, a support frame 17 and an arc-shaped cover plate 18, the arc-shaped cover plate 18 is sealed at a square hole arranged on an arc-shaped plate shell at the bottom of the material control cylinder 1, the support frame 17 is fixedly connected with one side of the arc-shaped cover plate 18, the door bolt 16 is fixedly connected with one end of the support frame 17, the door bolt 16 is fixed on the outer wall of one side of the material control cylinder 1, as understood by referring to figures 6 and 7, the door bolt 16 is a hook clamping device in the prior art, an L-shaped plate-shaped hook falls down to just abut against one side of the support frame 17, so that the support frame 17 can not rotate, thus, the supporting frame 17 controls the arc-shaped cover plate 18, the arc-shaped cover plate 18 stably plugs the bottom hole of the material control cylinder 1, the hook is lifted up, so that the arc cover plate 18 naturally falls to expose the square hole on the shell at the bottom of the material control cylinder 1, the praseodymium oxide powder falling from the control cylinder 1 falls off the control cylinder 1 and is discharged before being poured into the hopper box 2.
The crushing device 12 comprises an intercepting device 23, a brake seat 24, a longitudinal plate member 25 and a position control device 26, wherein one side of the longitudinal plate member 25 is in transmission connection with the intercepting device 23, the intercepting device 23 is arranged in an inner cavity of the material control cylinder 1, the other side of the longitudinal plate member 25 is in transmission connection with the brake seat 24, the position control device 26 is arranged at the bottom of the longitudinal plate member 25, the longitudinal plate member 25 is arranged in a plate hole formed in a shell of the material control cylinder 1, the longitudinal plate member 25 comprises a guide rod 27, a spring 28 and a longitudinal plate 29, the upper end of the longitudinal plate 29 is in contact with a plurality of uniformly distributed springs 28, the middle of the spring 28 penetrates through the guide rod 27, the upper end of the guide rod 27 extends into a cylindrical groove formed in the shell of the material control cylinder 1, the lower end of the guide rod 27 is fixed on the longitudinal plate 29, an arc groove is formed in one side wall of the longitudinal plate 29, the brake seat 24 is in a conical plate shape, one end of the brake seat 24 abuts against the arc groove wall of the longitudinal plate 29, a plurality of uniformly distributed tooth grooves are formed in the other side wall of the longitudinal plate 29, the crossbar 15 extends through the brake shoe 24.
The position control device 26 comprises an L-shaped limiting plate 30, a pressure spring 31, a flame spraying end 32, a control tube 33, a beveled prism 34 and an inner column 35, the L-shaped limiting plate 30 is fixed on one side of the charging barrel 1, a through hole is formed in the plate body of the L-shaped limiting plate 30, the control tube 33 is movably sleeved in the through hole, the control tube 33 is in a shape that two barrels with different apertures are integrally butted, the flame spraying end 32 is sleeved outside the barrel with a small aperture, the flame spraying end 32 is padded between the control tube 33 and the L-shaped limiting plate 30, the beveled prism 34 is fixedly connected with one side of the control tube 33, one end of the beveled prism 34 extends into a groove formed in the plate body of the longitudinal plate 29, and the inner column 35 is fixed in the groove of the longitudinal plate 29, as understood by referring to fig. 6 and fig. 9, the control tube 33 can perform a certain range of axial movement, the longitudinal plate 29 can perform a certain range of lifting movement, if the lifting height of the longitudinal plate 29 is enough, the longitudinal plate 29 drives the inner column 35, inner prop 35 rises and stirs oblique prism 34, oblique prism 34 removes and drives control tube 33, and then control flame projecting end 32, flame projecting end 32 removes and outwards takes out the certain distance from the inner chamber of accuse feed cylinder 1 like this, can reduce the problem emergence probability that praseodymium oxide powder that falls down in the accuse feed cylinder 1 put out flame projecting end 32 flame projecting mouth like this, flame projecting end 32 is the device among the prior art, flame projecting end 32 one end is connected the gas supply hose, the hose other end is connected with the gas supply mechanism among the prior art, flame projecting end 32 is but remote control formula flame projecting device.
The intercepting device 23 comprises a positioning shaft 36, a sleeve 37 and a sieve plate 38, the sieve plate 38 is square plate-shaped, a plurality of uniformly distributed through holes are formed in a plate body, the sleeve 37 is fixedly connected to one end of the sieve plate 38, the positioning shaft 36 is movably sleeved in the middle of the sleeve 37, two ends of the positioning shaft 36 are fixed on the inner wall of a plate hole in the shell of the material control cylinder 1, a plurality of uniformly distributed cylindrical convex teeth are arranged on one side wall of a cylinder body of the sleeve 37, and the sleeve 37 is in meshing transmission connection with the longitudinal plate 29.
In the falling process of the praseodymium oxide powder in the material control barrel 1, the praseodymium oxide powder can encounter a continuously shaken sieve plate 38, specifically, a rod transmission control shaft 20 in the middle of the top of a spiral conveying piece 3 is used for transmitting a control shaft, the control shaft 20 is used for transmitting an inclined shaft 6, the inclined shaft 6 is used for transmitting a vertical shaft 7, the vertical shaft 7 is used for transmitting a plurality of cross rods 15, the cross rods 15 are used for driving a brake seat 24 to rotate, the brake seat 24 stirs a longitudinal plate 29 once per rotation, the longitudinal plate 29 can reset under the support of a spring 28, so that the longitudinal plate 29 carries out lifting reciprocating motion, the longitudinal plate 29 is used for transmitting a sleeve 37, and then the sieve plate 38 is controlled to continuously swing, the falling praseodymium oxide powder impacts the sieve plate 38 and can be flicked, the falling praseodymium oxide powder scattering purpose is realized, the contact area with flame can be effectively improved, and the quality of the burning work is improved.
A processing technology of ultrafine praseodymium oxide comprises the following steps:
the method comprises the following steps: filling, wherein praseodymium oxide powder to be burnt is poured into the material filling mechanism from a top opening of the material control cylinder 1, flame is sprayed out by igniting the flame spraying end head 32, and the spiral conveying piece 3 works and rotates;
step two: firing, namely, the calcined praseodymium oxide powder in the material control barrel 1 falls into a hopper box 2, and then is conveyed into a sliding groove shell 5 through a spiral conveying piece 3, so that the praseodymium oxide powder slides into the material control barrel 1, the praseodymium oxide powder is re-fired in the material control barrel 1, and the operation is circulated in such a way that the praseodymium oxide powder is repeatedly fired;
step three: the spiral conveying piece 3 drives the shaft assembly 10, the shaft assembly 10 drives the crushing device 12, the sieve plate 38 starts to shake continuously, and the praseodymium oxide powder falls in the material control cylinder 1 and is impacted by the continuously shaken sieve plate 38, so that the praseodymium oxide powder falling in a pile is diffused, and the flame sprayed from the flame spraying end head 32 fully burns the praseodymium oxide powder;
step four: protecting, namely impacting the sieve plate 38 by the praseodymium oxide powder which is accumulated and falls in the material control barrel 1, excessively swinging the sieve plate 38 downwards to trigger the flame spraying end head 32 to move, moving the flame spraying port of the flame spraying end head 32 outwards from the inner cavity of the material control barrel 1, and avoiding the praseodymium oxide powder which is accumulated and falls in the flame spraying port of the flame spraying end head 32;
step five: discharging, lifting the L-shaped plate-shaped hook on the bolt 16, naturally falling the arc-shaped cover plate 18 without blocking the square hole at the bottom of the material control cylinder 1, directly discharging the praseodymium oxide powder falling from the material control cylinder 1, and collecting the burned praseodymium oxide powder through a collecting mechanism.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a burning device is used in processing of superfine praseodymium oxide, includes accuse feed cylinder (1), its characterized in that: the material control barrel (1) is in a J-shaped bent square barrel shape, the bottom of the material control barrel (1) is connected with a hopper box (2) and a door assembly (11), the hopper box (2) is in a hopper shell shape with the bottom sealed, a spiral conveying piece (3) penetrates through the axis position of the hopper box (2), an outer pipe (4) is sleeved outside the spiral conveying piece (3), the outer pipe (4) is arranged in an inner cavity of the hopper box (2), the upper end of the outer pipe (4) extends to the outside of the hopper box (2), one side of the top of the material control barrel (1) is fixedly connected with a chute shell (5), the top of the outer pipe (4) penetrates through the shell of the chute shell (5), the upper end of the spiral conveying piece (3) is in transmission connection with a shaft assembly (10), a plurality of uniformly distributed crushing devices (12) are arranged on two opposite shell plate bodies on the material control barrel (1), and the crushing devices (12) on two sides are alternately distributed, the shaft assembly (10) is in transmission connection with the crushing device (12), the crushing device (12) comprises an intercepting device (23), a braking seat (24), a longitudinal plate member (25) and a position control device (26), one side of the longitudinal plate member (25) is in transmission connection with the intercepting device (23), the intercepting device (23) is arranged in an inner cavity of the material control cylinder (1), the other side of the longitudinal plate member (25) is in transmission connection with the braking seat (24), the position control device (26) is arranged at the bottom of the longitudinal plate member (25), the longitudinal plate member (25) is arranged in a hole formed in a shell of the material control cylinder (1), the longitudinal plate member (25) comprises a guide rod (27), a spring (28) and a longitudinal plate (29), the upper end of the longitudinal plate (29) is in contact with a plurality of uniformly distributed springs (28), the guide rod (27) penetrates through the middle of the spring (28), and the upper end of the guide rod (27) extends into a cylindrical groove formed in the shell of the material control cylinder (1), the lower end of the guide rod (27) is fixed on the longitudinal plate (29), an arc groove is formed in one side wall of the longitudinal plate (29), the brake seat (24) is in a conical plate shape, one end of the brake seat (24) abuts against the arc groove wall of the longitudinal plate (29), a plurality of tooth grooves which are uniformly distributed are formed in the other side wall of the longitudinal plate (29), the cross rod (15) penetrates through the brake seat (24), the position control device (26) comprises an L-shaped limiting plate (30), a pressure spring (31), a fire spraying end head (32), a control pipe (33), an oblique prism (34) and an inner column (35), the L-shaped limiting plate (30) is fixed on one side of the material control cylinder (1), a through hole is formed in the plate body of the L-shaped limiting plate (30), the control pipe (33) is movably sleeved in the through hole, the shape of the control pipe (33) is formed by integrally butting two cylinders with different apertures, and the pressure spring (31) is sleeved outside the cylinder with a small aperture, the pressure spring (31) is supported between a thick pipe of the control pipe (33) and the L-shaped limiting plate (30), a flame spraying end head (32) is arranged in the control pipe (33), one side of the control pipe (33) is fixedly connected with a rhombic prism (34), one end of the rhombic prism (34) extends into a groove formed in a plate body of the longitudinal plate (29), an inner column (35) is fixed in the groove of the longitudinal plate (29), the intercepting device (23) comprises a positioning shaft (36), a sleeve (37) and a sieve plate (38), the sieve plate (38) is in a square plate shape, a plurality of uniformly distributed through holes are formed in the plate body, one end of the sieve plate (38) is fixedly connected with the sleeve (37), the positioning shaft (36) is movably sleeved in the middle of the sleeve (37), two ends of the positioning shaft (36) are both fixed on the inner wall of the material cylinder hole on the shell of the control plate (1), a plurality of uniformly distributed cylindrical convex teeth are arranged on one side wall of the cylinder body of the sleeve (37), the sleeve (37) is in meshing transmission connection with the longitudinal plate (29).
2. The burning device for processing the ultrafine praseodymium oxide according to claim 1, wherein: the shaft assembly (10) comprises an inclined shaft (6), a vertical shaft (7), a transverse shaft (8) and a braking part (9), the upper end of the spiral conveying part (3) is in transmission connection with the braking part (9), one end of the inclined shaft (6) is in transmission connection with the braking part (9), the inclined shaft (6) is fixed on one side of the sliding chute shell (5), one side of the inclined shaft (6) is in transmission connection with the two vertical shafts (7) in parallel distribution, the inclined shaft (6) is in transmission connection with the vertical shafts (7) through two bevel gears, a lug is fixed on one side of the material control barrel (1), a bearing is embedded in the lug, the inclined shaft (6) penetrates through the bearing in the lug, one side of the vertical shaft (7) is in transmission connection with the transverse shaft (8) in uniform distribution, one side of the transverse shaft (8) is in transmission connection with the braking part (9), and the spiral conveying part (3) is in a shape of fixing spiral blade on a middle rod.
3. The burning device for processing the ultrafine praseodymium oxide according to claim 2, wherein: the horizontal shaft (8) comprises an L-shaped positioning plate (13), a first gear set (14) and a cross rod (15), the L-shaped positioning plate (13) is fixed on the outer wall of the material control cylinder (1), bearings are embedded into two ends of a plate body of the L-shaped positioning plate (13), the cross rod (15) penetrates through one bearing on the L-shaped positioning plate (13), a vertical shaft (7) penetrates through the other bearing on the L-shaped positioning plate (13), the first gear set (14) is two bevel gears which are vertically distributed, the two bevel gears are in meshing transmission connection, one bevel gear on the first gear set (14) is fixed at one end of the cross rod (15), the vertical shaft (7) penetrates through the other bevel gear on the first gear set (14), and the cross rod (15) is connected with the material crushing device (12).
4. The burning device for processing the ultrafine praseodymium oxide according to claim 2, wherein: stopper (9) include second gear train (19), control shaft (20), third gear train (21) and limiting plate (22), one side at chute shell (5) is fixed in limiting plate (22), control shaft (20), the plate body of limiting plate (22) all runs through to the middle part pole of skew shaft (6) and auger delivery spare (3), and set up the bearing in three position of running through respectively, be connected with third gear train (21) between control shaft (20) and skew shaft (6), connect second gear train (19) between the middle part body of rod of control shaft (20) and auger delivery spare (3), second gear train (19) and third gear train (21) all include the bevel gear of two mutually perpendicular distributions structurally, and two bevel gear meshing connections.
5. The burning device for processing the ultrafine praseodymium oxide according to claim 1, wherein: the door assembly (11) comprises a door bolt (16), a support frame (17) and an arc-shaped cover plate (18), the arc-shaped cover plate (18) blocks the square hole formed in the arc-shaped plate shell at the bottom of the material control cylinder (1), the support frame (17) is fixedly connected to one side of the arc-shaped cover plate (18), the door bolt (16) is fixedly connected to one end of the support frame (17), and the door bolt (16) is fixed on the outer wall of one side of the material control cylinder (1).
6. A processing technology of ultrafine praseodymium oxide, adopt the burning device for processing ultrafine praseodymium oxide of any one of claims 1-5, characterized by comprising the following steps:
the method comprises the following steps: filling, wherein praseodymium oxide powder to be burnt is poured into the material filling mechanism from a top opening of the material control cylinder (1), flame is sprayed out by igniting a flame spraying end head (32), and the spiral conveying piece (3) rotates in a working mode;
step two: firing, namely, the burned praseodymium oxide powder in the material control cylinder (1) falls into the funnel box (2), then the praseodymium oxide powder is conveyed into the sliding chute shell (5) through the spiral conveying piece (3), the praseodymium oxide powder further slides into the material control cylinder (1), the praseodymium oxide powder is fired again in the material control cylinder (1), and the cycle is repeated, and the praseodymium oxide powder is fired;
step three: the shaft assembly (10) is driven by the spiral conveying piece (3), the crushing device (12) is driven by the shaft assembly (10), the sieve plate (38) starts to shake continuously, the praseodymium oxide powder falls in the material control cylinder (1) and is impacted by the continuously shaken sieve plate (38), so that the accumulated falling praseodymium oxide powder is spread, and the flame sprayed from the flame spraying end (32) fully burns the praseodymium oxide powder;
step four: protection, the praseodymium oxide powder which is gathered and falls in the material control barrel (1) impacts the sieve plate (38), the sieve plate (38) excessively swings downwards to trigger the flame spraying end head (32) to move, the flame spraying port of the flame spraying end head (32) moves outwards from the inner cavity of the material control barrel (1), and the flame spraying port of the flame spraying end head (32) avoids the praseodymium oxide powder which is gathered and falls;
step five: discharging, namely lifting the L-shaped plate-shaped hook on the door bolt (16), naturally dropping the arc-shaped cover plate (18) to stop blocking the bottom square hole of the material control cylinder (1), directly discharging the praseodymium oxide powder falling from the material control cylinder (1), and collecting the burned praseodymium oxide powder through a collecting mechanism.
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