CN212538780U

CN212538780U - Calcining device for purifying quartz sand

Info

Publication number: CN212538780U
Application number: CN202022140878.9U
Authority: CN
Inventors: 李明涛
Original assignee: Lianyungang Hailan Abrasives Co ltd
Current assignee: Lianyungang Hailan Abrasives Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-02-12
Anticipated expiration: 2030-09-26

Abstract

The utility model discloses a calcination device of purification quartz sand, which comprises a housin, the inside fixed mounting of casing has the crucible, the crucible outside is provided with the heat preservation, the heat preservation bottom is provided with first baffle, first baffle bottom one side fixed mounting has the aspirator pump, first baffle bottom has electric heater in one side fixed mounting who keeps away from the aspirator pump, heat preservation top fixed mounting has the second baffle, top one side fixed mounting of second baffle has the motor, the output shaft of motor has the transportation screw rod, the second baffle is provided with crushing box in the bottom that is close to the transportation screw rod other end, smash the inside one side fixed mounting of box and smash the blade, it is provided with first filter screen to smash the inside bottom that is close to crushing blade of box, the inside fixed mounting of second baffle has the second filter screen. The calcining device for purifying the quartz sand has a simple and reasonable structure, effectively solves the problem that most of calcining devices for purifying the quartz sand lack the granularity control of the quartz sand, and has wide popularization and use values.

Description

Calcining device for purifying quartz sand

Technical Field

The utility model relates to a quartz sand purification technical field specifically is a calcining device of purification quartz sand.

Background

High-purity silicon dioxide is an extremely important photoelectronic material and is widely applied to the high-technology fields of semiconductors, optical fiber flood control, lasers, aerospace and the like. With the rapid development of these fields, the requirement for the content of impurities in high purity silica is more strict, and the demand for high purity silica is increasing. At present, most of high-purity silicon dioxide required by China depends on imports. Therefore, the method for obtaining the high-purity silicon dioxide by adopting the quartz sand purification technology is an effective way for meeting the requirement of high-purity silicon in the high-technology field of China and has important significance for promoting the development of national economy of China.

In the process of purifying the quartz sand, in order to remove volatile components including hydroxyl groups and the like in the quartz sand, the quartz sand is generally required to be calcined at a high temperature, and in the prior art, a calcination device is used for removing hydroxyl compounds in the quartz sand by heating the quartz sand. The granularity of the quartz sand has great influence on the purification effect when the purified quartz sand is calcined, but most of the existing calcining devices for purifying the quartz sand lack a device for controlling the granularity of the quartz sand, so that the calcining devices for purifying the quartz sand are improved, and the calcining devices for purifying the quartz sand are provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a calcination device of purification quartz sand, which comprises a housin, the inside fixed mounting of casing has the crucible, the crucible outside is provided with the heat preservation, heat preservation bottom is provided with first baffle, first baffle bottom one side fixed mounting has the aspirator pump, first baffle bottom has electric heater in one side fixed mounting who keeps away from the aspirator pump, heat preservation top fixed mounting has the second baffle, top one side fixed mounting of second baffle has the motor, the output shaft of motor has the transportation screw rod, the second baffle is provided with crushing box in the bottom that is close to the transportation screw rod other end, smash the inside one side fixed mounting crushing blade of box, it is provided with first filter screen in the bottom that is close to crushing blade to smash the box inside, the inside fixed mounting of second baffle has the second filter screen.

As an optimized technical scheme of the utility model, the second baffle has the cover of breathing in one side fixed mounting that is close to the motor bottom, just the cover of breathing in passes through the mutual switch-on of pipeline with the aspirator pump.

As the utility model discloses a preferred technical scheme, the cover of breathing in is cylindric, a plurality of suction holes have been seted up to the cover outside of breathing in, the inside fixed mounting of cover of breathing in has the third filter screen.

As a preferred technical scheme of the utility model, the feed inlet has been seted up to top one side of casing, the feed inlet is conical, just the second filter screen sets up the bottom at the feed inlet.

As a preferred technical scheme of the utility model, smash the blade and be provided with a pair of and mutual block, it all is provided with a plurality of cutting edges to smash the blade, just the cutting edge all with arrange around the blade.

As an optimal technical scheme of the utility model, the bottom of crucible is the toper form, this has the feed opening in the bottom of toper form, just the feed opening is provided with the unloading valve.

As an optimized technical scheme of the utility model, the heating pipe has been arranged to the lateral wall inside of crucible, the heating pipe is that the heliciform encircles inside the lateral wall of crucible, just the heating pipe passes through the pipeline and the electric heater switch-on each other.

As a preferred technical scheme of the utility model, the outside both sides of mounting bracket of first filter screen are provided with the draw runner, the casing is provided with first filter screen mounting groove in the one side that is close to first filter screen, first filter screen mounting groove, inside both sides are provided with the spout with the mutual block of draw runner.

The utility model has the advantages that: according to the calcining device for purifying the quartz sand, the exhaust gas generated by calcining is conveniently collected by installing the gas suction cover; the third filter screen is arranged in the air suction cover, so that impurities in the waste gas can be conveniently filtered; the second filter screen is arranged at the bottom of the feeding hole, so that the primary granularity of the quartz sand is conveniently screened, and the purification efficiency is improved; the crushing efficiency is improved by arranging a plurality of cutting edges around the blades; the bottom of the crucible is conical, so that the blanking is convenient, and the blanking valve is arranged at the bottom, so that the blanking is convenient to control; the heating tube is arranged in the side wall of the crucible, so that the crucible can be heated conveniently and spirally and circularly, and the crucible is heated uniformly; the first filter screen is convenient to replace by arranging the sliding strip and the sliding groove; the device simple structure is reasonable, and convenient to use has effectively solved the problem that the calcining device of present majority purification quartz sand lacks control quartz sand granularity, has the value of extensive using widely.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of a calcining apparatus for purifying quartz sand according to the present invention;

FIG. 2 is a schematic sectional view of the front side of a calcining apparatus for purifying quartz sand according to the present invention;

FIG. 3 is a schematic view of the structure of the suction hood of the calcining apparatus for purifying quartz sand of the present invention.

In the figure: 1. a housing; 2. a crucible; 3. a heat-insulating layer; 4. a first separator; 5. a getter pump; 6. an electric heater; 7. a second separator; 8. a motor; 9. a transport screw; 10. a crushing box body; 11. a crushing blade; 12. a first filter screen; 13. a second filter screen; 14. an air intake cover; 15. a suction hole; 16. a third filter screen; 17. a feed inlet; 18. and (4) a feed opening.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a calcining device of purification quartz sand, which comprises a

housin

1, 1 inside fixed mounting of casing has

crucible

2, 2 outside of crucible is provided with

heat preservation

3, 3 bottoms in heat preservation are provided with

first baffle

4, 4 bottom one side fixed mounting of first baffle has

aspirator pump

5, 4 bottom one side fixed mounting of first baffle has electric heater 6 keeping away from

aspirator pump

5, 3 top fixed mounting in heat preservation have second baffle 7, top one side fixed mounting of second baffle 7 has motor 8, motor 8's output shaft has transportation screw 9, second baffle 7 is provided with crushing box 10 in the bottom that is close to the transportation screw 9 other end, crushing box 10 inside one side fixed mounting crushing blade 11, crushing box 10 is inside to be provided with first filter screen 12 in the bottom that is close to crushing blade 11, the inside fixed mounting of second baffle 7 has second filter screen 13.

Wherein, the second baffle 7 is provided with an air suction cover 14 at one side close to the bottom of the motor 8, the air suction cover 14 is communicated with the air suction pump 5 through a pipeline, and waste gas generated by calcination is conveniently collected by installing the air suction cover 14.

The air suction cover 14 is cylindrical, a plurality of air suction holes 15 are formed in the outer portion of the air suction cover 14, a third filter screen 16 is fixedly mounted in the air suction cover 14, and impurities in waste gas are conveniently filtered through the third filter screen 16 mounted in the air suction cover 14.

Wherein, feed inlet 17 has been seted up to top one side of casing 1, and feed inlet 17 is conical, and second filter screen 13 sets up in the bottom of feed inlet 17, through installing second filter screen 13 in the bottom of feed inlet 17, conveniently carries out the screening of preliminary granularity to quartz sand to improve purification efficiency.

Wherein, crushing blade 11 is provided with a pair of and mutual block, and crushing blade 11 all is provided with a plurality of cutting edges, and the cutting edge all with arrange around the blade, through set up a plurality of cutting edges around the blade, improve crushing efficiency.

Wherein, the bottom of crucible 2 is the toper form, and this has feed opening 18 in the bottom of toper form, and feed opening 18 is provided with the unloading valve, through setting up crucible 2 bottom into the toper, makes things convenient for the unloading, and sets up the unloading valve in the bottom, makes things convenient for control unloading.

Wherein, the heating pipe has been arranged to the lateral wall of crucible 2 inside, and the heating pipe is that the heliciform encircles inside the lateral wall of crucible 2, and the heating pipe passes through the pipeline and communicates with each other with electric heater 6, through arranging the heating pipe inside 2 lateral walls of crucible, is convenient for to heating crucible 2, and is the heliciform and encircles and arrange for crucible 2 is heated evenly.

Wherein, the outside both sides of mounting bracket of first filter screen 12 are provided with the draw runner, and casing 1 is provided with first filter screen mounting groove in one side that is close to first filter screen 12, first filter screen mounting groove, inside both sides be provided with the spout of the mutual block of draw runner, through setting up draw runner and spout, be convenient for change first filter screen 12.

The working principle is as follows: when the calcining device for purifying quartz sand works, the quartz sand to be purified enters the device from the feed inlet 17, the motor 8 is started to drive the conveying screw rod 9 to rotate, the quartz sand with the granularity meeting the requirement is filtered from the second filter screen to enter the crucible 2, the quartz sand with the overlarge granularity is conveyed to the crushing box body 10 along with the conveying screw rod 9, the quartz sand falls onto the first filter screen after being crushed by the crushing blade 11 in the crushing box body 10, the quartz sand with the overlarge granularity is left on the first filter screen, the quartz sand is replaced after accumulating to a certain degree, the quartz sand with the granularity meeting the requirement is filtered from the first filter screen to enter the crucible 2, the electric heater 6 is started to heat the crucible 2, the purified quartz sand is calcined, the air suction pump 5 is started, the generated waste gas is collected for centralized treatment, the discharging valve is opened after purification, and the purified quartz sand is discharged from the. According to the calcining device for purifying the quartz sand, the exhaust gas generated by calcining is conveniently collected by installing the air suction cover 14; the third filter screen 16 is arranged in the air suction cover 14, so that impurities in the waste gas can be conveniently filtered; the second filter screen 13 is arranged at the bottom of the feeding hole 17, so that the primary granularity of the quartz sand can be conveniently screened, and the purification efficiency is improved; the crushing efficiency is improved by arranging a plurality of cutting edges around the blades; the bottom of the crucible 2 is conical, so that the blanking is convenient, and the blanking valve is arranged at the bottom, so that the blanking is convenient to control; the heating tube is arranged in the side wall of the crucible 2, so that the crucible 2 can be heated conveniently, and the heating tube is spirally arranged in a surrounding manner, so that the crucible 2 is heated uniformly; the first filter screen 12 is convenient to replace by arranging the slide bar and the slide groove; the device simple structure is reasonable, and convenient to use has effectively solved the problem that the calcining device of present majority purification quartz sand lacks control quartz sand granularity, has the value of extensive using widely.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The calcining device for purifying quartz sand comprises a shell (1) and is characterized in that a crucible (2) is fixedly mounted inside the shell (1), a heat preservation layer (3) is arranged on the outer side of the crucible (2), a first partition plate (4) is arranged at the bottom of the heat preservation layer (3), an air suction pump (5) is fixedly mounted on one side of the bottom of the first partition plate (4), an electric heater (6) is fixedly mounted on one side, away from the air suction pump (5), of the bottom of the first partition plate (4), a second partition plate (7) is fixedly mounted at the top of the heat preservation layer (3), a motor (8) is fixedly mounted on one side of the top of the second partition plate (7), an output shaft of the motor (8) is connected with a conveying screw rod (9), a crushing box body (10) is arranged at the bottom, which is close to the other end of the conveying screw rod (9), and a crushing blade (11) is fixedly, the bottom of crushing blade (11) is provided with first filter screen (12) inside being close to crushing box (10), the inside fixed mounting of second baffle (7) has second filter screen (13).

2. A calcination device for purifying quartz sand as claimed in claim 1, wherein said second partition plate (7) is fixedly provided with a suction hood (14) at a side close to the bottom of the motor (8), and said suction hood (14) and the suction pump (5) are communicated with each other through a pipe.

3. The calcining device for purifying quartz sand as claimed in claim 2, characterized in that the air suction cover (14) is cylindrical, a plurality of air suction holes (15) are opened on the outside of the air suction cover (14), and a third filter screen (16) is fixedly installed inside the air suction cover (14).

4. The calcining device for purifying quartz sand as claimed in claim 1, characterized in that a feed inlet (17) is opened at one side of the top of the shell (1), the feed inlet (17) is conical, and the second screen (13) is arranged at the bottom of the feed inlet (17).

5. The calcining device for purifying quartz sand as claimed in claim 1, wherein the crushing blades (11) are provided with a pair and mutually clamped, the crushing blades (11) are provided with a plurality of cutting edges, and the cutting edges are arranged around the blades.

6. A calcination apparatus for purifying quartz sand as claimed in claim 1, characterized in that the bottom of the crucible (2) is conical, the bottom of the conical shape having a discharge opening (18), and the discharge opening (18) is provided with a discharge valve.

7. A calcination apparatus for purifying quartz sand as claimed in claim 1, wherein a heating tube is disposed inside the side wall of the crucible (2), the heating tube spirally surrounds the inside of the side wall of the crucible (2), and the heating tube is connected to the electric heater (6) through a pipe.

8. The calcining device for purifying quartz sand as claimed in claim 1, wherein the first filter screen (12) is provided with slide bars at two outer sides of the mounting frame, the housing (1) is provided with a first filter screen mounting groove at one side close to the first filter screen (12), and the first filter screen mounting groove is provided with sliding grooves at two inner sides for mutually clamping with the slide bars.