CN212309509U - Corundum spinel castable batching device - Google Patents

Abstract

The utility model relates to a corundum spinel pouring material dosing unit, including control center, batch mixing box and a plurality of dosing mechanism, dosing mechanism includes a plurality of feed bins, the feed bin top is equipped with the feeder hopper, the bottom is equipped with the unloading pipe, the level is equipped with the striker plate in the unloading pipe upper end, striker plate one end stretch out the unloading pipe and with be connected with the cylinder, unloading pipe below intercommunication has sealed transport bin, be equipped with the conveyor belt balance in the sealed transport bin, the weighing system and the cylinder of conveyor belt balance all are connected with the control center electricity, the batch mixing box top is equipped with a plurality of feed inlets, the feed inlet links to each other through the screw conveyer lifting machine with the sealed transport bin discharge opening one-to-one of dosing mechanism, vertical and rotation are equipped with the (mixing) shaft in the batch mixing box, it has multiunit stirring. The utility model discloses can realize automatic accurate dosing and in time carry to the mixing stirring in the mixing box, it is accurate, quick to batching, mixes effectually, efficient, is favorable to improving the quality of pouring material.

Description

Corundum spinel castable batching device

Technical Field

The utility model belongs to the technical field of corundum spinel pouring material production, concretely relates to corundum spinel pouring material dosing unit.

Background

The corundum spinel castable is prepared by selecting special-grade alumina, corundum and high-purity spinel as main raw materials and adding a proper amount of additives, dispersants and the like, has the characteristics of large volume density, high durability and the like, has excellent high-temperature strength and erosion resistance, and is widely applied to production of refining ladles, electric furnaces and the like. When the corundum spinel castable is produced, materials such as various production raw materials, additives and dispersing agents need to be proportioned according to a certain proportion, materials are conveyed to mixing equipment to be stirred and mixed after quantitative proportioning, a mixture is formed, the existing quantitative proportioning operation mostly adopts manual operation to weigh, the efficiency is low, the error is large, each material can be conveyed to the mixing equipment after being weighed, the existing mixing equipment also has the problems of poor stirring and mixing effect, low speed and the like, the overall production efficiency and production quality of the corundum spinel castable are greatly reduced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a corundum spinel pouring material dosing unit can realize automatic accurate dosing and in time carry to the mixing stirring in the mixing box, and it is accurate, quick to prepare materials, mixes effectually, efficient, is favorable to improving the quality of pouring material to solve above-mentioned problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a corundum spinel castable batching device comprises a control center, a mixing box and a plurality of quantitative batching mechanisms, wherein each quantitative batching mechanism comprises a plurality of feed bins arranged on the periphery of the mixing box, the top of each feed bin is provided with a feed hopper, the inside of each feed bin is rotatably provided with a stirring mechanism, the bottom of each feed bin is provided with a blanking pipe, the upper end of each blanking pipe is horizontally provided with a baffle plate, the outer part of each blanking pipe is horizontally provided with an air cylinder corresponding to the position of the baffle plate, one end, close to the air cylinder, of each baffle plate extends out of the blanking pipe and is connected with a piston rod of the air cylinder, the lower end of each blanking pipe is horizontally and rotatably provided with a rotating shaft, the rotating shaft is circumferentially provided with a plurality of impellers, a sealed conveying bin is horizontally arranged below the blanking pipe, the blanking pipe is communicated with the top of one end of the sealed conveying bin, a conveying belt scale is arranged in, the utility model discloses a mixer, including sealed transport bin, unloading pipe, feed inlet, screw conveyer lifting machine, agitator shaft, stirring rod, discharge pipe, discharge port, the top of mixing box is the circumference interval and is equipped with a plurality of feed inlets, the feed inlet is linked together with the screw conveyer lifting machine that a plurality of dosing mechanism's sealed transport bin discharge port one-to-one and set up through the slope, vertical and rotation is equipped with the (mixing) shaft in the mixing box, it has the multiunit stirring rake to distribute about being on the (mixing) shaft, and every group stirring rake is including being four puddlers of circumference interval equipartition on the (mixing) shaft, the one end that the (mixing) shaft was kept away from to the puddler all upwards or the downward sloping setting, and the incline direction between the adjacent two puddle.

Preferably, the articulated sealed lid that is equipped with on the feeder hopper of feed bin, rabbling mechanism in the feed bin includes the anchor frame agitator of vertical setting, the first agitator motor of feed bin top and fixedly connected with is stretched out on the pivot top of anchor frame agitator.

Preferably, the cylinder passes through link and feed bin lateral wall fixed connection.

Preferably, the top of the lower one end of screw conveyer elevator is equipped with the inlet pipe, the inlet pipe communicates with the discharge opening in corresponding sealed transport bin, the bottom of the higher one end of screw conveyer elevator is equipped with row material pipe, arrange material pipe and corresponding feed inlet intercommunication on the mixing box.

Preferably, the material discharge pipe is internally provided with a material scattering roller horizontally and rotationally, the material scattering roller is radially provided with a plurality of material scattering rods, and the material scattering rods are uniformly distributed at intervals along the circumferential direction of the material scattering roller.

Preferably, the top end of the stirring shaft extends out of the top of the mixing box and is fixedly connected with a second stirring motor, a plurality of transverse supporting rods are uniformly distributed in the circumferential direction of the bottom end of the stirring shaft, and the upper side and the lower side of one end, far away from the stirring shaft, of each transverse supporting rod are hinged with rotary rods.

Preferably, the upper portion both sides of the stirring shaft are all provided with inverted L-shaped supporting rods towards the inner side wall of the mixing box, the side face, close to the corresponding inner side wall of the mixing box, of the vertical part of each L-shaped supporting rod is vertically provided with a scraper, and the scrapers are abutted to the corresponding inner side wall of the mixing box.

Preferably, a discharge valve is arranged on the discharge pipe.

The utility model has the advantages that: the utility model relates to a rationally, compact structure, each production material can be kept in the feed bin in the ration dosing mechanism earlier, in the time of storing, can stir the material through first anchor frame agitator, guarantees the material degree of consistency, prevents that the material from hardening the blocking, stopping up the unloading pipe scheduling problem appear in the storage process, guarantees that follow-up procedure goes on smoothly. During quantitative batching, only need pass through control center operation cylinder, drive the striker plate and take out from the unloading pipe, alright make the material unloading in the feed bin to corresponding conveyor belt balance on, utilize conveyor belt balance can drive the material and advance the transport, simultaneously the weighing system on the conveyor belt balance can carry out the continuous weighing to the material of its transportation again, reachs instantaneous flow value and cumulative weight value, and can feed back cumulative weight value to control center, can be promptly carrying the material on one side, carry out the quantitative weighing on one side, do not influence follow-up production manufacturing procedure, and the production efficiency is improved. When the material accumulated weight that the conveyor belt scale received at control center carried reached the setting value of this material, but the corresponding cylinder of control center automatic control operation, with the striker plate insert back the unloading pipe in, alright stop the unloading, accomplish the automatic blending operation of corresponding material, the simple operation, efficient, the error is little, can guarantee the production efficiency and the production quality of corundum spinel pouring material.

The setting of screw conveyer lifting machine can further promote the material of carrying the conveyor belt balance and carry for the compounding box fast, through the cooperation of multiunit dosing mechanism and corresponding screw conveyer lifting machine, can realize that the required material of multiple production carries out the dosing operation simultaneously and in time sends into the compounding box with the material of having joined in marriage, and production is more continuous, and efficiency is higher, is favorable to developing of subsequent handling.

The inclination directions of the two adjacent stirring rods in the mixing box are opposite, so that interlayer convection can be formed between materials with different heights, the stirring effect can be greatly enhanced, and the stirring efficiency is improved; the inclination directions of the two adjacent stirring rods in the same group are opposite, so that the materials with the same height form a wavy motion track, the effect of mixing and stirring the materials can be further enhanced, the material uniformity of the mixed materials is ensured, and the improvement of the quality of the finished corundum spinel castable is facilitated. The setting of cross-bar and the rotary rod on it can make the rotary rod be unordered rotary motion when the cross-bar rotates, and then makes and produce stronger turbulent flow between the material, guarantees that the bottom material of mixing box also can obtain intensive mixing, makes to mix between the material more evenly, complete, guarantees mixing quality. The setting of scraper can be when the compounding, scrapes the material processing to the mixing box inside wall, will bond the material clearance on the mixing box inside wall and fall, and extravagant material guarantees the mixed stirring effect and the load of material.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the dosing mechanism of FIG. 1;

FIG. 3 is an enlarged schematic view of the mixing box of FIG. 1.

Reference numbers in the figures: 1 is sealed lid, 2 is the feeder hopper, 3 is first agitator motor, 4 is the feed bin, 5 is anchor frame agitator, 6 is the link, 7 is the cylinder, 8 is the unloading pipe, 9 is the striker plate, 10 is the impeller, 11 is the pivot, 12 is sealed transport bin, 13 is the conveyor belt balance, 14 is the discharge opening, 15 is the inlet pipe, 16 is the screw conveyer lifting machine, 17 is row material pipe, 18 is the bulk cargo roller, 19 is the bulk cargo pole, 20 is second agitator motor, 21 is the feed inlet, 22 is the (mixing) shaft, 23 is the puddler, 24 is L shape branch, 25 is the scraper, 26 is the cross-bar, 27 is the rotary rod, 28 is the bleeder valve, 29 is the discharging pipe, 30 is the compounding case.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a corundum spinel castable batching device comprises a control center (not shown), a mixing box 30 and a plurality of batching mechanisms. Dosing mechanism is including locating a plurality of feed bins of 30 week sides of blending box, the top of every feed bin 4 is equipped with feeder hopper 2, inside rotation is equipped with rabbling mechanism, the bottom is equipped with unloading pipe 8, make each production material keep in feed bin 4 in each dosing mechanism earlier, just carry out the dosing operation with the cooperation, in the time of storing, can stir the material through rabbling mechanism, guarantee the material degree of consistency, prevent that the material from hardening the blocking in the storage process, block up unloading pipe 8 scheduling problem, guarantee that subsequent handling goes on smoothly. A material baffle plate 9 is horizontally arranged in the upper end of the blanking pipe 8 and used for blocking the blanking pipe 9. The cylinder 7 is horizontally arranged at the position, corresponding to the baffle plate 9, of the outer portion of the blanking pipe 8, one end, close to the cylinder 7, of the baffle plate 9 extends out of the blanking pipe 8 and is connected with a piston rod of the cylinder 7, so that the baffle plate 9 can be driven to be inserted into and taken out of the blanking pipe 8 through the expansion and contraction of the piston rod of the cylinder 7, the opening and closing of the blanking pipe 8 are achieved, and the quantitative batching operation can be conveniently carried out in a matched mode. Level and rotation are equipped with pivot 11 in the lower extreme of unloading pipe 8, pivot 11 circumference is last to be equipped with a plurality of impellers 10, specifically can set to threely, be circumference interval equipartition, in use, unloading pipe 8 is stretched out to 11 one end of pivot, and be connected with driving motor (not drawn in the picture), utilize driving motor to provide power, drive pivot 11 and the last impeller 10 of driving, alright make impeller 10 limit the material to the material, can make the material at the uniform velocity and evenly unload, through control driving motor's rotational speed, can control unloading speed, be convenient for cooperate and carry out dosing, driving motor is connected with the control center electricity. The below level of unloading pipe 8 is equipped with sealed transport storehouse 12 and the one end top intercommunication of unloading pipe 8 and sealed transport storehouse 12 for guarantee the leakproofness that dosing and material were carried, avoid dust pollution. A conveying belt scale 13 is arranged in the sealed conveying bin 12 along the length direction of the sealed conveying bin to realize the operations of quantitative proportioning and material conveying. The weighing system of the conveyor belt scale 13 and the air cylinder 7 are electrically connected with a control center. When quantitative batching is enabled, the operation cylinder 7 can be controlled through the control center firstly, the piston rod of the cylinder is made to shrink, the striker plate 9 is driven to move out of the corresponding blanking pipe 8, the blanking pipe 8 is enabled to be smooth, the material in the storage bin 4 can be blanked for the conveying belt scale 13, the conveying belt scale 13 drives the conveying belt scale 13 to advance, meanwhile, the weighing system on the conveying belt scale 13 can continuously weigh the transported material, the instantaneous flow value and the accumulated weight value are obtained, the accumulated weight value can be fed back to the control center, the material can be conveyed while being weighed quantitatively, the follow-up production and processing procedures are not influenced, and the production efficiency is improved. When the material accumulated weight conveyed by a certain conveyor belt scale 13 received by the control center reaches the set value of the material, the control center can automatically control the corresponding air cylinder 7 to operate, the piston rod of the air cylinder 7 is extended, the striker plate 9 is inserted into the discharging pipe 8, and the driving motor connected with the rotating shaft 11 is stopped by the automatic control, so that the impeller 10 stops rotating, the discharging can be stopped, the automatic batching operation of the corresponding material is completed, the operation is convenient, the efficiency is high, the error is small, and the production efficiency and the production quality of the corundum spinel castable can be ensured. The control center adopts the conventional PLC controller, the conveying belt scale 13 adopts a conveying belt type in the conventional belt scale, the automatic weighing machine is an automatic weighing machine which can continuously weigh bulk materials on a conveying belt without subdividing the mass or interrupting the movement of the conveying belt, and can continuously weigh the materials on the conveying belt by using a corresponding weighing system arranged by the automatic weighing machine while conveying the materials, and calculate a clockwise flow value and an accumulated value, so that the purposes of weighing and conveying the materials are achieved, the precision is high, the material conveying is not influenced, and the efficiency of quantitative batching and material conveying can be greatly improved. The specific structure and operation principle of the conveyor belt scale 13 belong to the prior art, and are not described in detail herein.

Sealed transport bin 12 is far away from unloading pipe 8's one end bottom and is equipped with discharge opening 14, the top of blending box 30 is the circumference interval and is equipped with a plurality of feed inlets 21, feed inlet 21 is linked together with the screw conveyor lifting machine 16 that the discharge opening 14 one-to-one of the sealed transport bin 12 of a plurality of dosing mechanism and set up through the slope, can further promote the material that conveyor belt balance 13 carried fast and transport for blending box 30, cooperation through multiunit dosing mechanism and corresponding screw conveyor lifting machine 16, can realize that the required material of multiple production carries out the dosing operation simultaneously and in time sends into blending box 30 with the material of having joined in marriage, the production is more serialization, high efficiency, be favorable to developing of subsequent handling. The vertical (mixing) shaft 22 that just rotates is equipped with in the mixing box 30, and it has the multiunit stirring rake to be distributed about being on the (mixing) shaft 22 for the stirring operation to the material is realized mixing. Every group stirring rake is including being four puddlers 23 of circumference interval equipartition on (mixing) shaft 22, the one end that (mixing) shaft 22 was kept away from to puddler 23 all upwards or the downward sloping setting, the incline direction between two adjacent puddlers 23 of same group and up, the incline direction between two adjacent puddlers 23 is all opposite down, on, the incline direction of two adjacent puddlers 23 is opposite down, can form the convection current between the material of co-altitude down, can strengthen stirring effect greatly, improve stirring efficiency, and the incline direction of two adjacent puddlers 23 of same group is opposite, can make the material of same height form wavy motion orbit, can further strengthen the effect to the material mixing stirring, guarantee the material degree of consistency of mixture, be favorable to improving the finished product quality of corundum spinel pouring material. The bottom of the mixing box 30 is provided with a discharge pipe 29 for discharging.

In this embodiment, the articulated sealed lid 1 that is equipped with on feed hopper 2 of feed bin 4 for guarantee the leakproofness of feed bin 4, avoid dust pollution. Rabbling mechanism in feed bin 4 includes anchor frame agitator 5 of vertical setting, and 4 tops of feed bin and the first agitator motor 3 of fixedly connected with are stretched out on the pivot top of anchor frame agitator 5, during the use, provide power through first agitator motor and drive anchor frame agitator 5 and rotate, realize the stirring to the storage material. The cylinder 7 is fixedly connected with the side wall of the storage bin 4 through the connecting frame 6, so that the cylinder 7 is connected stably and the stable work of the cylinder is guaranteed.

In this embodiment, the specific setting manner of the screw conveyor elevator 16 is as follows: the top of the lower end of the spiral conveying elevator 16 is provided with a feeding pipe 15, the feeding pipe 15 is communicated with a discharge opening 14 of the corresponding sealed conveying bin 12, the bottom of the higher end of the spiral conveying elevator 16 is provided with a discharging pipe 17, and the discharging pipe 17 is communicated with a corresponding feed inlet 21 on the mixing box 30 so as to achieve the purpose of lifting and conveying the materials which are quantitatively matched into the mixing box 30. Arrange the level in the material pipe 17 and rotate and be equipped with the bulk cargo roller 18, radially be equipped with a plurality of bulk cargo poles 19 on the bulk cargo roller 18, bulk cargo pole 19 is along the 18 circumference interval equipartitions of bulk cargo roller, can be when quantitative material gets into mixing box 30 through arranging material pipe 17, break up the processing once more to the material, guarantee the loose degree of material, avoid the material to harden and become the piece and influence follow-up mixing stirring effect.

In this embodiment, the top of (mixing) shaft 22 stretches out the top and the fixedly connected with second agitator motor 20 of mixing box 30, and during the use, provide power through second agitator motor, alright drive the (mixing) shaft and the stirring rake on it rotates, realizes the mixer stirring to the material. The equipartition has a plurality of cross-struts 26 in the circumference of (mixing) shaft 22 bottom, cross-struts 26 is kept away from the last of (mixing) shaft 22 one end, the downside all articulates and is equipped with rotary rod 27, make cross-struts 26 when rotating along with (mixing) shaft 22, unordered rotary motion can be done to rotary rod 27 on it, and then produce stronger turbulent flow between the messenger's material, guarantee that the bottom material in the mixing box 30 also can obtain intensive mixing, make and mix between the material more evenly, completely, guarantee mixing quality. The upper portion both sides of (mixing) shaft 22 all are equipped with the L shape branch 24 of invering towards the inside wall of mixing box 30, the vertical portion of L shape branch 24 is close to the vertical scraper 25 that is equipped with on one side of corresponding mixing box 30 inside wall, scraper 25 and the inside wall butt of corresponding mixing box 30, make in (mixing) shaft 22 pivoted, but L shape branch and the last scraper synchronous rotation of same, thereby scrape the material processing to the inside wall of mixing box 30, the material clearance that will bond on the inside wall of mixing box 30 falls, extravagant material, guarantee the mixed stirring effect and the load of material. A discharge valve 28 is arranged on a discharge pipe 29 at the bottom of the mixing box 30 for controlling the discharge of the mixed material.

The utility model discloses a theory of operation: the utility model discloses when using, send into each material respectively through feeder hopper 2 on each feed bin 4 earlier and keep in each feed bin 4, and accomplish the back at the material loading, close corresponding sealed lid 1, in order to guarantee the leakproofness of feed bin 4, and start first agitator motor 3 on each feed bin 4 simultaneously, provide power through first agitator motor 3 and drive corresponding anchor frame formula agitator 5 and rotate, thereby constantly stir the material at the material storage in-process, guarantee the material degree of consistency, prevent that the material from hardening the piece, unloading pipe 8 blocks up the scheduling problem. During quantitative batching, each cylinder 7 is controlled to operate through the control center firstly, so that a piston rod of each cylinder is contracted, the striker plate 9 is driven to move out of the corresponding blanking pipe 8, the blanking pipe 8 is smooth, and materials in the storage bin 4 can be discharged to the conveying belt scale 13 in the sealed conveying bin 12 through the blanking pipe 8. In the blanking process, a driving motor connected with the rotating shaft 11 is operated to drive the rotating shaft 11 and the impeller 10 thereon to rotate, so that the impeller 10 limits materials, the materials can be uniformly and uniformly blanked, the blanking speed can be controlled by controlling the rotating speed of the driving motor, and the quantitative batching can be conveniently carried out in a matching manner. After material unloading to corresponding conveyor belt balance 13, alright carry forward by conveyor belt balance 13 drive, the material of its transportation can be weighed in succession to the weighing system on the conveyor belt balance 13 simultaneously, reachs instantaneous flow value and cumulative weight value to give control center with cumulative weight value feedback, can be promptly carrying the material on one side, carry out the ration and weigh, do not influence follow-up production manufacturing procedure, improve production efficiency. When the accumulated weight of the materials conveyed by a certain conveying belt scale 13 received by the control center reaches the set value of the materials, the control center can automatically control the corresponding air cylinder 7 to operate, a piston rod of the air cylinder 7 is extended, the material baffle plate 9 is inserted into the discharging pipe 8, and the driving motor connected with the rotating shaft 11 is automatically controlled to stop, so that the impeller 10 stops rotating, discharging can be stopped, automatic batching operation of the corresponding materials is completed, the operation is convenient, the efficiency is high, the error is small, and the production efficiency and the production quality of the corresponding pouring materials can be ensured. The conveying belt scale 13 conveys the materials to a discharge opening 14 of the sealed conveying bin 12, then the materials are discharged to a corresponding spiral conveying elevator 16 through a feeding pipe 15, and the materials are lifted and conveyed to a corresponding feeding opening 21 at the top of the mixing box 30 by the spiral conveying elevator 16 again. After all the materials enter the mixing box 30 through the respective corresponding feeding ports 21, the second stirring motor 20 is operated to drive the stirring shaft 22 and the stirring rod 23 thereon to mix and stir the materials, so as to form a required mixture. And after the material mixing is finished, discharging through a discharging pipe 29.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. A corundum spinel castable batching device is characterized by comprising a control center, a mixing box and a plurality of quantitative batching mechanisms, wherein each quantitative batching mechanism comprises a plurality of bins arranged on the periphery of the mixing box, the top of each bin is provided with a feeding hopper, the inside of each bin is rotatably provided with a stirring mechanism, the bottom of each bin is provided with a blanking pipe, the upper end of each blanking pipe is horizontally provided with a baffle plate, the outer part of each blanking pipe is horizontally provided with a cylinder corresponding to the position of the baffle plate, one end, close to the cylinder, of each baffle plate extends out of each blanking pipe and is connected with a piston rod of the corresponding cylinder, the lower end of each blanking pipe is horizontally and rotatably provided with a rotating shaft, the rotating shaft is circumferentially provided with a plurality of impellers, a sealed conveying bin is horizontally arranged below each blanking pipe and is communicated with the top of one end of each sealed conveying bin, a conveying belt scale is arranged in each sealed conveying bin along the length direction of the, the utility model discloses a mixer, including sealed transport bin, unloading pipe, feed inlet, screw conveyer lifting machine, agitator shaft, stirring rod, discharge pipe, discharge port, the top of mixing box is the circumference interval and is equipped with a plurality of feed inlets, the feed inlet is linked together with the screw conveyer lifting machine that a plurality of dosing mechanism's sealed transport bin discharge port one-to-one and set up through the slope, vertical and rotation is equipped with the (mixing) shaft in the mixing box, it has the multiunit stirring rake to distribute about being on the (mixing) shaft, and every group stirring rake is including being four puddlers of circumference interval equipartition on the (mixing) shaft, the one end that the (mixing) shaft was kept away from to the puddler all upwards or the downward sloping setting, and the incline direction between the adjacent two puddle.

2. The corundum spinel castable batching device according to claim 1, wherein a sealing cover is hinged to a feed hopper of the bin, the stirring mechanism in the bin comprises a vertically arranged anchor frame stirrer, and the top end of a rotating shaft of the anchor frame stirrer extends out of the top of the bin and is fixedly connected with a first stirring motor.

3. The corundum spinel castable batching device of claim 1, wherein the cylinder is fixedly connected with the side wall of the silo through a connecting frame.

4. The corundum spinel castable batching device according to claim 1, wherein a feeding pipe is arranged at the top of the lower end of the screw conveyor elevator and is communicated with the discharge opening of the corresponding sealed conveying bin, and a discharging pipe is arranged at the bottom of the upper end of the screw conveyor elevator and is communicated with the corresponding feed opening on the mixing box.

5. The corundum spinel castable batching device according to claim 4, wherein a scattering roller is horizontally and rotatably arranged in the discharge pipe, a plurality of scattering rods are radially arranged on the scattering roller, and the scattering rods are uniformly distributed at intervals along the circumferential direction of the scattering roller.

6. The corundum spinel castable batching device according to claim 1, wherein the top end of the stirring shaft extends out of the top of the mixing box and is fixedly connected with a second stirring motor, a plurality of cross support rods are uniformly distributed on the bottom end of the stirring shaft in the circumferential direction, and the upper side and the lower side of one end, away from the stirring shaft, of each cross support rod are hinged with a rotating rod.

7. A corundum spinel castable batching device according to claim 6, characterized in that both sides of the upper portion of the stirring shaft are provided with inverted L-shaped supporting rods towards the inner side walls of the mixing box, and a scraper is vertically arranged on the side surface of the vertical portion of each L-shaped supporting rod close to the inner side wall of the corresponding mixing box and is abutted against the inner side wall of the corresponding mixing box.

8. The corundum spinel castable batching device according to claim 1, wherein a tap valve is provided on the tapping pipe.

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