CN217555824U

CN217555824U - Metallic silicon purification device

Info

Publication number: CN217555824U
Application number: CN202220868863.0U
Authority: CN
Inventors: 李顺利; 陈学江; 陈开楼; 敬德勇
Original assignee: Lianghe Zhongya Silicon Industry Co ltd
Current assignee: Lianghe Zhongya Silicon Industry Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-10-11
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a metallic silicon purification device, including driving motor, driving motor bottom fixed connection has reaction mechanism, reaction mechanism top front end rotates and is connected with the rotation upper cover, reaction mechanism bottom fixedly connected with conical base, conical base bottom fixed connection has reaction solution output pipeline, the valve is installed to reaction solution output pipeline one side, the oxygen blowing device has been placed to the reaction mechanism bottom, the filtering mechanism is installed to oxygen blowing device bottom, filtering mechanism bottom fixedly connected with silicon liquid output pipeline. The utility model discloses a simple oxygen blowing device of design not only can also maintain the temperature of silicon solution to the further reaction of metallic impurity in the silicon solution, the heat of emitting in the reaction, and the slope filter screen that the design is simple can let the automatic landing of impurity when filtering, and the design of gag lever post also lets the change slope strain more convenient.

Description

Metallic silicon purification device

Technical Field

The utility model relates to a metallic silicon field especially relates to a metallic silicon purification device.

Background

The industrial silicon is produced by smelting in a submerged arc electric furnace by an electrothermal method, oxide impurities brought by silicon-containing raw materials and reducing agents are inevitably partially reduced and enter a product metal phase under high-temperature and strong reduction conditions, the impurity content of the industrial silicon does not form difficulty in use as the industrial silicon for general use, but the industrial silicon is chemical-grade industrial silicon as the raw material of an organosilicon product, and therefore, the industrial silicon needs to be refined to remove impurities such as Ca, al and the like.

In metallurgical system silicon, when getting rid of other metallic impurity to silicon solution, melt silicon in pouring into reaction unit earlier mostly, add slagging constituent and various metallic impurity reaction formation slag phase, the purification device about metallic silicon that has now mostly increases simple screw in the edulcoration reaction, come to fully contact silicon solution and slagging constituent, impurity after the reaction carries out simple filtration separation, and will further heat the reaction unit and keep the form of silicon, also be inconvenient to change the slope filter screen when can not in time clearing up the filter residue, the filter screen of general design in reaction unit inside needs to clear up impurity again after the completion of filtering, when the time waste reduces device efficiency, the inside heat of reaction unit is lost easily also.

Therefore, it is desirable to provide a silicon metal purifying apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the purification device about metallic silicon that has now increases simple screw in the edulcoration reaction mostly, come to silicon solution and slagging-off agent abundant contact, impurity after the reaction carries out simple filtration separation, and further heat the form that keeps silicon to reaction unit, also be inconvenient to change the slope filter screen when can not in time clear up the filter residue, the filter screen of general design inside reaction unit need clear up impurity again after the completion filtering, when the waste time reduces device efficiency, the inside heat of reaction unit also scatters and disappears easily.

In order to solve the technical problem, the utility model discloses a technical scheme be: the device for purifying the metallic silicon comprises a driving motor, wherein the bottom of the driving motor is fixedly connected with a reaction mechanism, and the front end of the top of the reaction mechanism is rotatably connected with a rotary upper cover;

the bottom of the reaction mechanism is fixedly connected with a conical base, the bottom of the conical base is fixedly connected with a reaction solution output pipeline, and a valve is arranged on one side of the reaction solution output pipeline;

an oxygen blowing device is placed at the bottom of the reaction mechanism, a filtering mechanism is installed at the bottom of the oxygen blowing device, and a silicon liquid output pipeline is fixedly connected to the bottom of the filtering mechanism.

The utility model discloses further set up to: reaction mechanism includes the device upper cover, device upper cover top rear end fixedly connected with pipeline of giving vent to anger, spiral connection has the reaction unit shell around the device upper cover bottom, driving motor's output spiral connection has the dwang, two screws of dwang outer wall fixedly connected with.

Through above-mentioned technical scheme, the pipeline of giving vent to anger can exhaust when the oxygen lance device blows oxygen, and the screw can slowly stir silicon solution under driving motor's drive, makes silicon solution and slagging constituent fully contact.

The utility model further sets up to: and a circular through hole corresponding to the rotating rod is formed in the center of the upper cover of the device.

Through above-mentioned technical scheme, circular through-hole is slightly bigger than the dwang a bit, should not too big prevent that too much heat scatters and disappears.

The utility model further sets up to: the oxygen blowing device comprises an oxygen blowing machine, a connecting pipeline is installed at the output end of the oxygen blowing machine, a check valve is installed on the outer wall of the connecting pipeline, and an oxygen output pipeline is fixedly connected to the top of the connecting pipeline.

Through above-mentioned technical scheme, the oxygen blowing device can utilize oxygen to the further oxidation reaction of impurity in the inside silicon solution of reaction mechanism, and the high temperature that oxidation reaction produced can help maintaining the temperature of silicon solution.

The utility model discloses further set up to: the conical base is provided with through holes corresponding to the connecting pipelines, and the front end, the rear end and the bottom of the oxygen output pipeline are provided with a plurality of circular through holes.

Through the technical scheme, the check valve can prevent silicon solution from entering the oxygen blower, and the circular through hole formed in the bottom of the oxygen output pipeline can enable the silicon solution entering the oxygen output pipeline to flow out along with the filtering.

The utility model further sets up to: the filter mechanism comprises a filter device shell, wherein the inner wall of the filter device shell is fixedly connected with a chute, an inclined filter screen is installed on the chute, a limiting rod corresponding to the bottom of the inclined filter screen is installed on one side of the outer wall of the filter device shell, and a filter base is fixedly connected to the bottom of the filter device shell.

Through above-mentioned technical scheme, the slope filter screen can let the impurity roll-off that filters the stay, and the both ends of gag lever post can restrict the slope filter screen landing, can upwards lift the gag lever post when changing the slope filter screen, take out the slope filter screen.

The utility model discloses further set up to: a rectangular through hole corresponding to the limiting rod is formed in one side of the outer wall of the filtering device shell, and two limiting sliding grooves corresponding to the limiting rod are respectively installed at the front end and the rear end of the top of the rectangular through hole.

Through above-mentioned technical scheme, the rectangle through-hole can let as the export that leaves impurity at the slope filter screen, and spacing sliding tray can let the gag lever post slide from top to bottom.

The utility model has the advantages as follows:

1. the utility model discloses a count filter equipment outside reaction unit, avoided silicon solution after the edulcoration reaction, still need to do further clearance to the impurity that leaves on the filter screen in the device, reduced the work efficiency of device, also had very big scattering and disappearing to the heat in the reaction unit;

2. the utility model discloses a design slope filter screen can be to the automatic landing of impurity that filters the retention, guarantees to close the valve after the silicon solution after the reaction finishes discharging, can add the new silicon solution that needs the edulcoration immediately, has saved a large amount of time, and gag lever post and spacing sliding tray have realized the change that can be timely to the slope filter screen;

3. the utility model discloses a design simple oxygen blowing device, can make oxygen further react with the metallic impurity in the silicon solution, its reaction can release a large amount of heats, can maintain the temperature of silicon solution.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an internal structure view of the reaction mechanism of the present invention;

fig. 3 is an internal structure diagram of the filtering mechanism of the present invention.

In the figure: 1. a drive motor; 2. rotating the upper cover; 3. a reaction mechanism; 301. an upper cover of the device; 302. an air outlet pipe; 303. a reaction device housing; 304. rotating the rod; 305. a propeller; 4. a conical base; 5. a reaction solution output pipe; 6. a valve; 7. an oxygen blowing device; 701. an oxygen blower; 702. connecting a pipeline; 703. a non-return valve; 704. an oxygen output conduit; 8. a filtering mechanism; 801. a filter housing; 802. inclining the filter screen; 803. a chute; 804. a limiting rod; 805. a filter base; 9. and a silicon liquid output pipeline.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, a metallic silicon purification device comprises a driving motor 1, a reaction mechanism 3 is fixedly connected to the bottom of the driving motor 1, the reaction mechanism 3 comprises a device upper cover 301, an air outlet pipeline 302 is fixedly connected to the rear end of the top of the device upper cover 301, a reaction device shell 303 is spirally connected to the periphery of the bottom of the device upper cover 301, an output end of the driving motor 1 is spirally connected with a rotating rod 304, two propellers 305 are fixedly connected to the outer wall of the rotating rod 304, the air outlet pipeline 302 can exhaust air when an oxygen blowing device 7 blows oxygen, the propellers 305 can slowly stir silicon solution under the driving of the driving motor 1, so that the silicon solution is fully contacted with a slag former, a circular through hole corresponding to the rotating rod 304 is formed in the center of the device upper cover 301, the circular through hole is slightly larger than the rotating rod 304, and is not too large to prevent excessive heat dissipation, a rotating upper cover 2 is rotatably connected to the front end of the top of the reaction mechanism 3, a conical base 4 is fixedly connected to the bottom of the reaction mechanism 3, a reaction solution output pipeline 5 is fixedly connected to the conical base 4, and a valve 6 is installed on one side of the reaction solution output pipeline 5;

as shown in fig. 2, an oxygen blowing device 7 is placed at the bottom of the reaction mechanism 3, the oxygen blowing device 7 includes an oxygen blower 701, a connecting pipe 702 is installed at the output end of the oxygen blower 701, a check valve 703 is installed on the outer wall of the connecting pipe 702, an oxygen output pipe 704 is fixedly connected to the top of the connecting pipe 702, the oxygen blowing device 7 can utilize oxygen to further oxidize impurities in the silicon solution in the reaction mechanism 3, and the high temperature generated by the oxidation reaction can help to maintain the temperature of the silicon solution, a through hole corresponding to the connecting pipe 702 is formed in the conical base 4, a plurality of circular through holes are formed at the front end, the rear end and the bottom of the oxygen output pipe 704, the check valve 703 can prevent the silicon solution from entering the oxygen blower 701, and the circular through hole formed at the bottom of the oxygen output pipe 704 can allow the silicon solution entering the oxygen output pipe 704 to flow out during filtering;

as shown in fig. 2 and fig. 3, a filtering mechanism 8 is installed at the bottom of the oxygen blowing device 7, the filtering mechanism 8 includes a filtering device housing 801, a chute 803 is fixedly connected to the inner wall of the filtering device housing 801, an inclined filtering net 802 is installed on the chute 803, a limiting rod 804 corresponding to the bottom of the inclined filtering net 802 is installed on one side of the outer wall of the filtering device housing 801, a filtering base 805 is fixedly connected to the bottom of the filtering device housing 801, the inclined filtering net 802 can slide out impurities left by filtering, two ends of the limiting rod 804 can limit the inclined filtering net 802 from sliding down, the limiting rod 804 can be lifted upwards when the inclined filtering net 802 is replaced, the inclined filtering net 802 is taken out, a rectangular through hole corresponding to the limiting rod 804 is opened on one side of the outer wall of the filtering device housing 801, two limiting sliding grooves corresponding to the limiting rod 804 are installed at the front and rear ends of the top of the rectangular through hole, the rectangular through hole can be used as an outlet for impurities left on the inclined filtering net 802, the limiting sliding groove can allow the limiting rod 804 to slide up and down, and a silicon liquid output pipeline 9 is fixedly connected to the bottom of the filtering mechanism 8.

The utility model discloses when using, add 3 insides of reaction mechanism by rotating upper cover 2 with molten silicon solution, then add the slagging constituent, driving motor 1 begins to drive dwang 304 and makes screw 305 begin to slowly rotate, make solution and the abundant contact of slagging constituent, oxygen blowing device 7 begins to work simultaneously, the aperture by on oxygen output pipeline 704 begins to release oxygen in the solution bottom, oxygen can begin to react in the environment of high temperature with the metallic impurity contact in the solution, release a large amount of heat simultaneously, treat to open valve 6 after the reaction finishes, solution begins to flow by reaction solution output pipeline 5, through the inside slope filter screen 802 of filter mechanism 8, the impurity that the reaction formed can be left on the slope filter screen 802, landing to the export, filterable solution can be exported by silicon liquid output pipeline 9, the back that finishes outputting, close valve 6, can carry out the edulcoration to next solution immediately.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A metallic silicon purification device, includes driving motor (1), its characterized in that: the bottom of the driving motor (1) is fixedly connected with a reaction mechanism (3), and the front end of the top of the reaction mechanism (3) is rotatably connected with a rotary upper cover (2);

the bottom of the reaction mechanism (3) is fixedly connected with a conical base (4), the bottom of the conical base (4) is fixedly connected with a reaction solution output pipeline (5), and one side of the reaction solution output pipeline (5) is provided with a valve (6);

an oxygen blowing device (7) is placed at the bottom of the reaction mechanism (3), a filtering mechanism (8) is installed at the bottom of the oxygen blowing device (7), and a silicon liquid output pipeline (9) is fixedly connected to the bottom of the filtering mechanism (8).

2. The apparatus of claim 1, wherein: reaction mechanism (3) are including device upper cover (301), device upper cover (301) top rear end fixedly connected with pipeline (302) of giving vent to anger, spiral connection has reaction unit shell (303) around device upper cover (301) bottom, the output spiral connection of driving motor (1) has dwang (304), dwang (304) two screw propeller (305) of outer wall fixedly connected with.

3. The apparatus of claim 2, wherein: the center of the device upper cover (301) is provided with a circular through hole corresponding to the rotating rod (304).

4. The apparatus of claim 1, wherein: the oxygen blowing device (7) comprises an oxygen blowing machine (701), a connecting pipeline (702) is installed at the output end of the oxygen blowing machine (701), a check valve (703) is installed on the outer wall of the connecting pipeline (702), and an oxygen output pipeline (704) is fixedly connected to the top of the connecting pipeline (702).

5. The apparatus of claim 4, wherein: the conical base (4) is provided with through holes corresponding to the connecting pipeline (702), and a plurality of circular through holes are formed in the front end, the rear end and the bottom of the oxygen output pipeline (704).

6. The apparatus of claim 1, wherein: the filter mechanism (8) comprises a filter device shell (801), an inner wall fixedly connected with chute (803) of the filter device shell (801), an inclined filter screen (802) is installed on the chute (803), a limiting rod (804) corresponding to the bottom of the inclined filter screen (802) is installed on one side of the outer wall of the filter device shell (801), and a filter base (805) is fixedly connected with the bottom of the filter device shell (801).

7. The apparatus of claim 6, wherein: a rectangular through hole corresponding to the limiting rod (804) is formed in one side of the outer wall of the filtering device shell (801), and two limiting sliding grooves corresponding to the limiting rod (804) are respectively installed at the front end and the rear end of the top of the rectangular through hole.