CN210496366U

CN210496366U - Silicon carbide micro-powder purification device

Info

Publication number: CN210496366U
Application number: CN201920693640.3U
Authority: CN
Inventors: 黄威; 陈涵; 贺毅强; 李同清
Original assignee: Lianyungang Woxin Advanced Material Co ltd
Current assignee: Lianyungang Woxin Advanced Material Co ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-05-12
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a silicon carbide micro-powder purification device, in particular to the technical field of silicon carbide micro-powder production, which comprises a stirring barrel, wherein the top of the stirring barrel is provided with a barrel cover, both sides of the stirring barrel are provided with mounting racks, the top of the mounting racks is fixedly provided with a supporting plate, and the stirring barrel is provided with a vortex stirring mechanism and an impact shunting mechanism; the stirring vortex mechanism comprises a positive and negative motor, the end part of an output shaft of the positive and negative motor is in transmission connection with a stirring shaft, and stirring blades are arranged at the bottom end of the stirring shaft. The utility model discloses a bottom stirring the storage bucket is provided with the throat section, is convenient for unload on the one hand, and on the other hand is favorable to forming the swirl at the in-process of stirring to raw materials and acid-base liquid's intensive mixing accelerates, and stir storage bucket inside wall welding has the shelves strip that is annular evenly distributed, is favorable to when the stirring, and abundant backward flow strikes each other, thereby clears away the incidental impurity of carborundum miropowder.

Description

Silicon carbide micro-powder purification device

Technical Field

The utility model relates to a carborundum miropowder production technical field, more specifically say, the utility model relates to a carborundum miropowder purification device.

Background

At present, most of the purification of the silicon carbide micro powder adopts an acid-base treatment method, and needs a plurality of alkali washing and precipitating processes and a plurality of acid washing and precipitating processes, so that a large amount of acid and alkali are needed in the process, the discharged wastewater can be discharged only after being treated, and otherwise, the environmental pollution is caused.

Patent application publication No. CN 207713413U's utility model discloses a carborundum miropowder purification device, be equipped with the stirring subassembly in the agitator tank, the stirring subassembly includes the puddler, be equipped with doctor-bar and a plurality of stirring piece on the puddler, a plurality of stirring piece slopes to set up, the doctor-bar level sets up, be equipped with the decarburizing mouth on the agitator tank, decarburizing mouth and doctor-bar are located same horizontal plane, the outside that decarburizing mouthful was equipped with collects the box, the agitator tank lower part is equipped with the intake pipe, intake pipe and dispersion disk body communicate each other, the agitator tank lower part is passed through the one-level drain pipe and the swirler is connected, swirler upper portion further is connected through liquid return pipe and agitator tank. The utility model provides a carborundum miropowder purification device, simple structure, it is effectual, efficient, reduction in production cost, pollution-free, the practicality is stronger.

However, when the device is actually used, the device still has more defects, such as low impurity removal efficiency and inconvenient discharging.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a carborundum miropowder purification device, bottom through stirring the storage bucket is provided with the throat section, be convenient for unload on the one hand, on the other hand is favorable to forming the swirl at the in-process of stirring, thereby accelerate the intensive mixing of raw materials and acid-base liquid, and stir storage bucket inside wall welding and have the shelves strip that is annular evenly distributed, be favorable to when the stirring, abundant backward flow, strike each other, thereby clear away the subsidiary impurity of carborundum miropowder, in order to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a silicon carbide micro-powder purification device comprises a stirring barrel, wherein a barrel cover is arranged at the top of the stirring barrel in a matching manner, mounting frames are arranged on two sides of the stirring barrel, a supporting plate is fixedly arranged at the top of each mounting frame, and a vortex stirring mechanism and an impact flow dividing mechanism are arranged on the stirring barrel;

the stirring vortex mechanism comprises a positive and negative motor, a stirring shaft is connected to the end part of an output shaft of the positive and negative motor in a transmission manner, stirring blades are arranged at the bottom end of the stirring shaft, a shaft hole penetrates through the center position of the top of the supporting plate, one end of the stirring shaft with the stirring blades sequentially penetrates through the shaft hole and the barrel cover and extends into the stirring barrel, a necking section is arranged at the bottom of the stirring barrel, and the diameter of a mounting base fixedly arranged at the bottom end of the necking section is equal to that of the stirring barrel;

striking reposition of redundant personnel mechanism is including the shelves strip, shelves strip quantity is provided with six, and is annular evenly distributed at the circumference side inner wall of stirring storage bucket, the shelves strip welds with stirring storage bucket inner wall.

In a preferred embodiment, the necking section is provided in an inverted circular truncated cone-shaped structure, the position of the bottom end edge of the necking section is set back inwards by a distance of 20cm, and the vertical height of the necking section is 40 cm.

In a preferred embodiment, the length of the barrier strip is 1m, the width of the barrier strip is 8cm, and the distance from the bottom end of the barrier strip to the bottom end face of the inner cavity of the stirring barrel is 80 cm.

In a preferred embodiment, a plurality of support plates are fixedly arranged outside the necking section, are uniformly distributed between the necking section and the mounting base, and have right-angled triangle axial cross-sectional shapes.

In a preferred embodiment, a feeding pipe is arranged at the top of the stirring barrel, an acid inlet pipe is arranged on one side of the feeding pipe, an alkali inlet pipe is arranged on the other side of the feeding pipe, the acid inlet pipe and the alkali inlet pipe all penetrate through the barrel cover to be communicated with an inner cavity of the stirring barrel, a material conveying pump is arranged on the feeding pipe, a discharge hole is formed in the bottom end of one side of the necking section in a penetrating mode, a discharge pipe is connected to one side of the discharge hole, and a discharge valve is arranged on the discharge pipe.

In a preferred embodiment, the inner wall of the circumferential side of the stirring barrel is welded with two groups of fixing plates which are axially symmetrically arranged relative to the vertical direction of the stirring barrel to the central axis, the number of each group is two, two vertical collinear arrangements are arranged in each group, a stabilizing hole is vertically arranged in the central position of the top of each fixing plate in a penetrating manner, and one end of each acid inlet pipe and one end of each alkali inlet pipe penetrating through the barrel cover respectively extend to the inside of the stabilizing hole in the corresponding position.

In a preferred embodiment, the axial cross-sectional shape of the stirring blades is a parallelogram, the stirring blades and the outer side wall of the stirring shaft are obliquely arranged downwards at an angle of 45 ° in the horizontal direction, the inclined surface of the stirring blades at the bottom end is the same as the rotation direction of the stirring shaft, the number of the stirring blades is two, and the two stirring blades are arranged in central symmetry about the vertical central axis of the stirring shaft.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with the throat section in the bottom of stirring the storage bucket, and the distance that the bottom border position of throat section indents inwards is 20cm, on the one hand is convenient for unload, on the other hand is favorable to forming the swirl in the in-process of stirring, thereby accelerate the intensive mixing of raw materials and acid-base liquid, in order to reach the purpose of getting rid of impurity, and positive and negative motor can drive (mixing) shaft corotation or reversal, and then realize stirring the inside material of stirring storage bucket back and forth, get rid of impurity, and the throat section outside is fixed and is equipped with the backup pad, can improve the stability of stirring storage bucket in the stirring material process greatly;

2. the utility model has the advantages that the baffle strips which are uniformly distributed in an annular shape are welded on the inner side wall of the stirring barrel, so that the materials can fully flow back and mutually impact when being stirred, thereby removing impurities attached to the silicon carbide micro powder and improving the removing effect of the impurities;

3. the utility model discloses a lateral wall with the axle cross sectional shape for parallelogram stirring leaf and (mixing) shaft is 45 jiaos slant settings that have a down dip in the horizontal direction, and the inclined plane that the stirring leaf is located the bottom is the same with the direction of rotation of (mixing) shaft, but the resistance that greatly reduced stirring leaf received at the in-process of stirring the mixture to reduce positive and negative motor's output energy consumption.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection between the mounting frame and the supporting plate of the present invention.

Fig. 3 is a partial side view of the stirring barrel of the present invention.

Fig. 4 is a sectional view of the material stirring barrel of the present invention.

Fig. 5 is a schematic view of the connection between the stirring shaft and the stirring blade of the present invention.

The reference signs are: 1 stirring storage bucket, 2 bung, 3 mounting brackets, 4 layer boards, 5 positive and negative motors, 6 shaft holes, 7 (mixing) shafts, 8 stirring leaves, 9 inlet pipes, 10 delivery pumps, 11 advance the acid pipe, 12 advance alkali pipe, 13 fixed plates, 14 stable holes, 15 shelves strip, 16 backup pads, 17 discharge openings, 18 mounting base, 19 discharging pipes, 20 bleeder valves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model relates to a carborundum miropowder purification device of embodiment can be including stirring storage bucket 1, it is equipped with bung 2 to stir 1 top of storage bucket, it all is provided with mounting bracket 3 to stir 1 both sides of storage bucket, the fixed layer board 4 that is equipped with in 3 tops of mounting bracket, it stirs swirl mechanism and striking reposition of redundant personnel mechanism to be provided with on the storage bucket 1 to stir.

Referring to the attached drawings 1-4 of the specification, the vortex stirring mechanism of the silicon carbide micro powder purification device of the embodiment comprises a positive and negative motor 5, the end part of an output shaft of the positive and negative motor 5 is in transmission connection with a stirring shaft 7, stirring blades 8 are arranged at the bottom end of the stirring shaft 7, a shaft hole 6 is arranged in the center of the top of the supporting plate 4 in a penetrating mode, one end, provided with the stirring blades 8, of the stirring shaft 7 sequentially penetrates through the shaft hole 6 and the barrel cover 2 and extends into the stirring barrel 1, a necking section is arranged at the bottom of the stirring barrel 1, and the diameter of a mounting base 18 fixedly arranged at the bottom end of the necking section is equal to the diameter of the stirring.

Furthermore, the necking section is of an inverted round table-shaped structure, the inward retraction distance of the edge position of the bottom end of the necking section is 20cm, and the vertical height of the necking section is 40 cm.

Furthermore, a plurality of support plates 16 are fixedly arranged on the outer side of the necking section, the number of the support plates 16 is multiple, the support plates 16 are uniformly distributed between the necking section and the mounting base 18, and the axial section of each support plate 16 is in the shape of a right-angled triangle.

The implementation scenario is specifically as follows: in the actual stirring process, after the raw materials, the acid liquor and the alkali liquor are injected into the stirring barrel 1, the barrel cover 2 is covered, then the positive and negative motors 5 are controlled by an external controller to work so as to drive the stirring shaft 7 to rotate, thereby driving the stirring blades 8 to stir the mixture in the stirring barrel 1, because the bottom of the stirring barrel 1 is provided with the necking section, and the distance of inward indentation of the edge position of the bottom end of the necking section is 20cm, on one hand, the material can be discharged conveniently, on the other hand, vortex can be formed in the stirring process, thereby accelerating the full mixing of the raw materials and the acid-alkali liquor to achieve the aim of removing impurities, and the positive and negative motors 5 can drive the stirring shaft 7 to rotate forwards or backwards, and then realize stirring the material of stirring storage bucket 1 inside round trip, get rid of impurity to the fixed backup pad 16 that is equipped with in throat section outside can improve the stability of stirring storage bucket 1 greatly at the material in-process.

Referring to the attached drawings 1 and 4 in the specification, the impact flow-dividing mechanism of the silicon carbide micro powder purification device in the embodiment includes six barrier strips 15, the barrier strips 15 are uniformly distributed on the circumferential inner wall of the stirring barrel 1 in an annular shape, and the barrier strips 15 are welded with the inner wall of the stirring barrel 1.

Furthermore, the length of the blocking strip 15 is 1m, the width of the blocking strip is 8cm, and the distance from the bottom end of the blocking strip 15 to the bottom end face of the inner cavity of the stirring barrel 1 is 80 cm.

The implementation scenario is specifically as follows: in-process stirring the mixture in stirring storage bucket 1, owing to stir storage bucket 1 inside wall welding has the shelves strip 15 that is annular evenly distributed, be favorable to when the stirring, abundant backward flow, striking each other to clear away the subsidiary impurity of carborundum miropowder, improve the effect of clearing away of impurity.

Referring to the attached drawing 1 of the specification, the top of the stirring barrel 1 of the silicon carbide micro powder purification device of the embodiment is provided with a feeding pipe 9, one side of the feeding pipe 9 is provided with an acid inlet pipe 11 and the other side is provided with an alkali inlet pipe 12, the feeding pipe 9, the acid inlet pipe 11 and the alkali inlet pipe 12 all penetrate through the barrel cover 2 and are communicated with the inner cavity of the stirring barrel 1, the feeding pipe 9 is provided with a material conveying pump 10, the bottom end of one side of the necking section penetrates through a discharging hole 17, one side of the discharging hole 17 is connected with a discharging pipe 19, and the discharging pipe 19 is provided with a discharging valve 20.

Further, stir the welding of the circumference side inner wall of storage bucket 1 and have two sets of fixed plates 13 that are axisymmetric setting to the central axis about stirring storage bucket 1, every group quantity is two, and two vertical collineation settings of every group, fixed plate 13 top central point puts the vertical stable hole 14 that runs through that is equipped with, it runs through inside the stable hole 14 that corresponds the position respectively to advance the one end that sour pipe 11 and alkali tube 12 run through bung 2.

The implementation scenario is specifically as follows: when in actual use, firstly, the material is pumped into the stirring barrel 1 through the feeding pipe 9 by the feeding pump 10, then corresponding acid and alkali are respectively injected through the acid inlet pipe 11 and the alkali inlet pipe 12, the barrel cover 2 is covered, the positive and negative motors 5 are started to fully stir the mixture in the stirring barrel 1, in the stirring process, because the acid inlet pipe 11 and the alkali inlet pipe 12 penetrate through one end of the barrel cover 2 and respectively extend into the stabilizing hole 14 at the corresponding position, the stability of the acid inlet pipe 11 and the alkali inlet pipe 12 in the stirring barrel 1 can be greatly improved, the vortex generated in the stirring process is prevented from causing the deformation and even the breakage of the acid inlet pipe 11 and the alkali inlet pipe 12, the normal conveying of the acid alkali liquid is further influenced, and after the stirring is fully completed, the material can be discharged by opening the discharge valve 20 on the discharge pipe 19.

Referring to the attached

drawings

1 and 5 in the specification, the axial cross-sectional shape of the stirring blade 8 of the silicon carbide micro-powder purification apparatus of this embodiment is a parallelogram, the stirring blade 8 and the outer side wall of the stirring shaft 7 are obliquely inclined downward at an angle of 45 ° in the horizontal direction, the inclined surface of the stirring blade 8 at the bottom end is the same as the rotation direction of the stirring shaft 7, the number of the stirring blades 8 is two, and the two stirring blades 8 are arranged in central symmetry about the vertical central axis of the stirring shaft 7.

The implementation scenario is specifically as follows: in the process of stirring the mixture, as the axial section of the stirring blade 8 is parallelogram, the outer side walls of the stirring blade 8 and the stirring shaft 7 are inclined downwards at an angle of 45 degrees in the horizontal direction, and the inclined plane of the stirring blade 8 at the bottom end is the same as the rotation direction of the stirring shaft 7, the resistance of the stirring blade 8 in the process of stirring the mixture can be greatly reduced, and the output energy consumption of the positive and negative motor 5 is reduced.

In summary, the following steps: the utility model discloses at the raw materials, acidizing fluid and alkali lye are injected into and are stirred in the storage bucket 1 back, cover bung 2, then work through external controller control positive and negative motor 5, rotate with drive (mixing) shaft 7, thereby it stirs to drive stirring leaf 8 to the mixture that stirs in the storage bucket 1, because the bottom of stirring storage bucket 1 is provided with the throat section, and the bottom border position of throat section is the distance of indentation inwards for 20cm, be convenient for unload on the one hand, on the other hand is favorable to forming the swirl at the in-process of stirring, thereby accelerate the intensive mixing of raw materials and acid lye, and, because stir 1 inside wall welding of storage bucket has shelves strip 15 that is annular evenly distributed, be favorable to when the stirring, abundant backward flow, strike each other, thereby clear away the subsidiary impurity of carborundum miropowder, improve the effect of clearing away of.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a carborundum miropowder purification device, includes stirring bucket (1), its characterized in that: the top of the stirring barrel (1) is provided with a barrel cover (2) in a matching manner, mounting frames (3) are arranged on two sides of the stirring barrel (1), a supporting plate (4) is fixedly arranged on the top of each mounting frame (3), and a vortex stirring mechanism and an impact flow dividing mechanism are arranged on the stirring barrel (1);

the stirring vortex mechanism comprises a positive and negative motor (5), the end part of an output shaft of the positive and negative motor (5) is in transmission connection with a stirring shaft (7), the bottom end of the stirring shaft (7) is provided with a stirring blade (8), the center position of the top of the supporting plate (4) is provided with a shaft hole (6) in a penetrating manner, one end of the stirring shaft (7) with the stirring blade (8) sequentially penetrates through the shaft hole (6) and the barrel cover (2) and extends into the stirring barrel (1), the bottom of the stirring barrel (1) is provided with a necking section, and the bottom of the necking section is fixedly provided with a mounting base (18) with the diameter equal to that of the stirring barrel (1);

striking reposition of redundant personnel mechanism is including shelves strip (15), shelves strip (15) quantity is provided with six, and is annular evenly distributed at the circumference side inner wall of stirring storage bucket (1), shelves strip (15) and the welding of stirring storage bucket (1) inner wall.

2. The silicon carbide micropowder purification apparatus according to claim 1, characterized in that: the necking section is of an inverted round table-shaped structure, the inward retraction distance of the edge position of the bottom end of the necking section is 20cm, and the vertical height of the necking section is 40 cm.

3. The silicon carbide micropowder purification apparatus according to claim 1, characterized in that: the length of the blocking strip (15) is 1m, the width of the blocking strip is 8cm, and the distance from the bottom end of the blocking strip (15) to the bottom end face of the inner cavity of the stirring barrel (1) is 80 cm.

4. The silicon carbide micropowder purification apparatus according to claim 1, characterized in that: the outside of the necking section is fixedly provided with a plurality of supporting plates (16), the number of the supporting plates (16) is multiple, the supporting plates (16) are uniformly distributed between the necking section and the mounting base (18), and the axial section of each supporting plate (16) is in the shape of a right-angled triangle.

5. The silicon carbide micropowder purification apparatus according to claim 1, characterized in that: stir storage bucket (1) top and be provided with inlet pipe (9), inlet pipe (9) one side is provided with into acid pipe (11) and opposite side and is provided with into alkali pipe (12), inlet pipe (9), acid pipe (11) and advance alkali pipe (12) and all run through bung (2) and be linked together with the inner chamber that stirs storage bucket (1), be provided with delivery pump (10) on inlet pipe (9), throat section one side bottom is run through and is equipped with discharge opening (17), discharge opening (17) one side is connected with discharging pipe (19), be provided with bleeder valve (20) on discharging pipe (19).

6. The silicon carbide micropowder purification apparatus according to claim 5, characterized in that: stir the welding of the circumference side inner wall of storage bucket (1) has two sets ofly about stirring storage bucket (1) vertical fixed plate (13) that are axisymmetric setting to the central axis, and every group quantity is two, and two vertical collineation settings of every group, fixed plate (13) top central point puts the vertical stable hole (14) that runs through, it is inside that acid pipe (11) and alkali pipe (12) one end that runs through bung (2) extend to stable hole (14) that correspond the position respectively to advance.

7. The silicon carbide micropowder purification apparatus according to claim 1, characterized in that: the axial cross section of stirring leaf (8) shape is parallelogram, stirring leaf (8) is 45 jiaos slant downwardly sloping setting with the lateral wall of (mixing) shaft (7) on the horizontal direction, and stirring leaf (8) are located the inclined plane of bottom and the rotation direction of (mixing) shaft (7) the same, the quantity of stirring leaf (8) is provided with two, and two stirring leaf (8) are central symmetry setting about the vertical central axis to of (mixing) shaft (7).