1. A special high-purity silicon iron purification device and method are characterized in that: including ferrosilicon purification mechanism body (1), ferrosilicon purification heating mechanism (2), the leading-in mechanism of purification oxygen (3), ferrosilicon purification edulcoration mechanism (4), purification high temperature protection mechanism (5), ferrosilicon purification smelting furnace (6), ferrosilicon purification mechanism body (1) middle part is provided with ferrosilicon purification smelting furnace (6), the ferrosilicon purification smelting furnace (6) outside is provided with ferrosilicon purification heating mechanism (2), the ferrosilicon purification heating mechanism (2) outside is provided with purification high temperature protection mechanism (5), ferrosilicon purification smelting furnace (6) top is provided with the leading-in mechanism of purification oxygen (3), ferrosilicon purification smelting furnace (6) inboard top is provided with ferrosilicon purification edulcoration mechanism (4).

2. The device and the method for purifying special high-purity silicon iron according to claim 1, wherein the device comprises: ferrosilicon purification heating mechanism (2) one end is provided with purification heating control ware (7), purification heating control ware (7) one end side is provided with purification heating spiral pipe (8), purification heating control ware (7) other end side is provided with controller energy supply wire (9).

3. The device and the method for purifying special high-purity silicon iron according to claim 1, wherein the device comprises: one end of the purified oxygen introducing mechanism (3) is provided with a rotary smelting furnace access end (10), the middle part of the purified oxygen introducing mechanism (3) is provided with an oxygen introducing hose (11), and the other end of the purified oxygen introducing mechanism (3) is provided with an oxygen introducing contact end (12).

4. The device and the method for purifying special high-purity silicon iron according to claim 1, wherein the device comprises: ferrosilicon purification edulcoration mechanism (4) bottom is provided with edulcoration mechanism metal and leaks net (13), edulcoration mechanism metal leaks net (13) top and is provided with heat-resisting guide rod of metal (14), edulcoration mechanism metal leaks net (13) and sets up to semi-circular structure.

5. The device and the method for purifying special high-purity silicon iron according to claim 1, wherein the device comprises: an inner high-temperature reflecting interlayer (15) is arranged on the inner side of the purification high-temperature protection mechanism (5), and a high-temperature resistant protective lining (16) is arranged on the outer side of the purification high-temperature protection mechanism (5).

6. The device and the method for purifying special high-purity silicon iron according to claim 1, wherein the device comprises: ferrosilicon purification smelting furnace (6) top side is provided with purification smelting discharge port (17), ferrosilicon purification smelting furnace (6) top is provided with smelting furnace shutoff apron (18), smelting furnace shutoff apron (18) top side is provided with the smelting furnace and draws otic placode (19), smelting furnace shutoff apron (18) middle part is provided with edulcoration guide arm activity slotted hole (20), edulcoration guide arm activity slotted hole (20) side is provided with oxygen leading-in port (21), ferrosilicon purification smelting furnace (6) side is provided with the smelting furnace upset and emptys guide arm (22).

7. The device and method for purifying special high-purity ferrosilicon as claimed in claim 1, wherein the specific operation process and convenience comprise: firstly, putting a ferrosilicon raw material for purification into a ferrosilicon purification smelting furnace (6); secondly, heating the silicon-iron raw material for purification by a silicon-iron purification heating mechanism (2); thirdly, introducing oxygen into the ferrosilicon purification smelting furnace (6) through the purification oxygen introducing mechanism (3) to promote the extraction of raw materials for accelerated melting; fourthly, when the ferrosilicon raw material for purification is in a liquid state, impurity removal and stirring are carried out through the ferrosilicon purification and impurity removal mechanism (4), and the blocking cover plate (18) of the primary smelting furnace is opened for 5-10 minutes to carry out impurity removal; fifthly, checking the change of the impurity cleaning amount, and prolonging the opening interval time of the blocking cover plate (18) of the smelting furnace; and sixthly, pouring out the silicon iron solution after no impurities are confirmed, and finishing the single purification operation of the special high-purity silicon iron.

Background

The ferrosilicon is the most important ferroalloy variety with the largest yield in China, is also the most advantageous ferroalloy product meeting the domestic requirements and exporting, is widely applied to steel making, casting, nonferrous metals and other industrial production, is used as a deoxidizer and an alloying agent in the steel making industry, is used as an inoculant and a nodulizer in the casting industry, and is also used as a reducing agent in the production of some ferroalloys and metal magnesium, and the high-purity ferrosilicon can be used for manufacturing products such as silicone and the like in the chemical industry due to low carbon content, needs higher purity in the actual application process, and is relatively lower in the production of the ferrosilicon in the traditional smelting equipment and method, so how to solve the problems provided above becomes the problem which needs to be solved urgently at present.

Disclosure of Invention

The invention aims to provide a special high-purity ferrosilicon purification device and method which are simple in structure, convenient to operate and use, and capable of helping a user to improve the purity of produced ferrosilicon and solving the problem that the purity of ferrosilicon produced by a traditional large smelting furnace is low.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-purity ferrosilicon purification device of special type and method includes ferrosilicon purification mechanism body, ferrosilicon purification heating mechanism, purification oxygen introduction mechanism, ferrosilicon purification edulcoration mechanism, purification high temperature protection mechanism, ferrosilicon purification smelting furnace, ferrosilicon purification mechanism body middle part is provided with ferrosilicon purification smelting furnace, the ferrosilicon purification smelting furnace outside is provided with ferrosilicon purification heating mechanism, the ferrosilicon purification heating mechanism outside is provided with purification high temperature protection mechanism, ferrosilicon purification smelting furnace top is provided with purification oxygen introduction mechanism, ferrosilicon purification smelting furnace inboard top is provided with ferrosilicon purification edulcoration mechanism.

Preferably, ferrosilicon purification heating mechanism one end is provided with purification heating control ware, and purification heating control ware one end side is provided with purification heating spiral pipe, and purification heating control ware other end side is provided with controller energy supply wire.

Preferably, one end of the purified oxygen introducing mechanism is provided with a rotary smelting furnace access end, the middle part of the purified oxygen introducing mechanism is provided with an oxygen introducing hose, and the other end of the purified oxygen introducing mechanism is provided with an oxygen introducing contact end.

Preferably, the bottom end of the silicon iron purification and impurity removal mechanism is provided with an impurity removal mechanism metal screen, the top end of the impurity removal mechanism metal screen is provided with a metal heat-resistant guide rod, and the impurity removal mechanism metal screen is of a semicircular structure.

Preferably, an inner high-temperature reflecting interlayer is arranged on the inner side of the purification high-temperature protection mechanism, and a high-temperature resistant protection lining is arranged on the outer side of the purification high-temperature protection mechanism.

Preferably, the side face of the top end of the silicon iron purification smelting furnace is provided with a purification smelting discharge port, the top end of the silicon iron purification smelting furnace is provided with a smelting furnace plugging cover plate, the side face of the top end of the smelting furnace plugging cover plate is provided with a smelting furnace extraction lug plate, the middle part of the smelting furnace plugging cover plate is provided with an impurity removal guide rod movable groove hole, the side face of the impurity removal guide rod movable groove hole is provided with an oxygen introduction port, and the side face of the silicon iron purification smelting furnace is provided with a smelting furnace overturning and dumping guide rod.

Preferably, the specific operation flow and convenience thereof comprise: firstly, putting a ferrosilicon raw material for purification into a ferrosilicon purification smelting furnace; secondly, heating the silicon-iron raw material for purification by a silicon-iron purification heating mechanism; introducing oxygen into the ferrosilicon purification smelting furnace through a purification oxygen introducing mechanism to promote the extraction of the raw materials to accelerate the melting; fourthly, when the ferrosilicon raw material for purification is in a liquid state, impurity removal and stirring are carried out through a ferrosilicon purification and impurity removal mechanism, and a primary smelting furnace plugging cover plate is opened for impurity removal within 5-10 minutes; checking the change of the impurity cleaning amount, and prolonging the opening interval time of a sealing cover plate of the smelting furnace; and sixthly, pouring out the silicon iron solution after no impurities are confirmed, and finishing the single purification operation of the special high-purity silicon iron.

Compared with the prior art, the invention has the beneficial effects that:

(1) the ferrosilicon purification heating mechanism can heat the ferrosilicon purification smelting furnace through electric heating, so that the internal smelting raw materials reach a melting point.

(2) Purification oxygen leading-in mechanism can be leading-in through oxygen in the smelting process, improves impurity precipitation efficiency, improves and smelts the environment for the smelting process temperature can be stabilized in reasonable interval, makes ferrosilicon purity can improve greatly.

(3) Ferrosilicon impurity quick rejection can be realized to ferrosilicon purification edulcoration mechanism, shortens ferrosilicon purification smelting time, reduces ferrosilicon smelting cost, can directly improve the smelting finished product purity of ferrosilicon.

(4) Purification high temperature protection mechanism can prevent the temperature outflow to and the condition of scalding is avoided appearing in the staff of protection nearby, has improved staff's operational environment simultaneously, makes the staff be unlikely to be in the state of toasting always.

(5) The ferrosilicon purification smelting furnace can be more convenient for heating and edulcoration, can make things convenient for equipment angle modulation after smelting the completion simultaneously, and it derives to smelt the metal, very big simplification the technological method flow of ferrosilicon purification production, improved ferrosilicon production purification efficiency.

Drawings

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

FIG. 2 is a schematic structural view of a ferrosilicon purification heating mechanism according to the present invention;

FIG. 3 is a schematic view of a purified oxygen introducing mechanism according to the present invention;

FIG. 4 is a schematic structural view of a ferrosilicon purification and impurity removal mechanism according to the present invention;

FIG. 5 is a schematic structural view of a purification high-temperature protection mechanism according to the present invention;

FIG. 6 is a schematic view of the smelting furnace for purifying silicon iron according to the present invention.

In the figure: 1. a ferrosilicon purification mechanism body; 2. a ferrosilicon purification heating mechanism; 3. a purified oxygen introducing mechanism; 4. a ferrosilicon purification and impurity removal mechanism; 5. a purification high-temperature protection mechanism; 6. a smelting furnace for purifying silicon iron; 7. a purification heating controller; 8. purifying and heating the spiral conduit; 9. the controller supplies power to the wire; 10. a rotary furnace is connected with an end; 11. an oxygen introducing hose; 12. introducing oxygen into the contact tip; 13. a metal screen of an impurity removal mechanism; 14. a metal heat-resistant guide rod; 15. an internal high temperature reflective interlayer; 16. a high temperature resistant protective liner; 17. a purification smelting discharge port; 18. a cover plate is blocked by the smelting furnace; 19. extracting the lug plate by a smelting furnace; 20. a movable slotted hole of an impurity removal guide rod; 21. an oxygen introduction port; 22. the melting furnace overturns and pours the guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1, a high-purity ferrosilicon purification device of special type and method include ferrosilicon purification mechanism body 1, ferrosilicon purification heating mechanism 2, purification oxygen introduction mechanism 3, ferrosilicon purification edulcoration mechanism 4, purification high temperature protection mechanism 5, ferrosilicon purification smelting furnace 6, 1 middle part of ferrosilicon purification mechanism body is provided with ferrosilicon purification smelting furnace 6, 6 outsides in ferrosilicon purification smelting furnace are provided with ferrosilicon purification heating mechanism 2, 2 outsides in ferrosilicon purification heating mechanism are provided with purification high temperature protection mechanism 5, 6 tops in ferrosilicon purification smelting furnace are provided with purification oxygen introduction mechanism 3, 6 inboard tops in ferrosilicon purification smelting furnace are provided with ferrosilicon purification edulcoration mechanism 4.

As shown in fig. 2, 2 one end of ferrosilicon purification heating mechanism is provided with purification heating controller 7, and purification heating controller 7 one end side is provided with purification heating spiral pipe 8, and purification heating controller 7 other end side is provided with controller energy supply wire 9.

As shown in fig. 3, a rotary furnace inlet head 10 is provided at one end of the purified oxygen introducing mechanism 3, an oxygen introducing hose 11 is provided at the middle part of the purified oxygen introducing mechanism 3, and an oxygen introducing contact head 12 is provided at the other end of the purified oxygen introducing mechanism 3.

As shown in FIG. 4, the bottom end of the ferrosilicon purification and impurity removal mechanism 4 is provided with an impurity removal mechanism metal screen 13, the top end of the impurity removal mechanism metal screen 13 is provided with a metal heat-resistant guide rod 14, and the impurity removal mechanism metal screen 13 is arranged in a semicircular structure.

As shown in fig. 5, an inner high temperature reflective interlayer 15 is disposed inside the purification high temperature protection mechanism 5, and a high temperature resistant protective lining 16 is disposed outside the purification high temperature protection mechanism 5.

As shown in fig. 6, the side of the top end of the ferrosilicon purification smelting furnace 6 is provided with a purification smelting discharge port 17, the top end of the ferrosilicon purification smelting furnace 6 is provided with a smelting furnace plugging cover plate 18, the side of the top end of the smelting furnace plugging cover plate 18 is provided with a smelting furnace extraction lug plate 19, the middle part of the smelting furnace plugging cover plate 18 is provided with an impurity removal guide rod movable slot hole 20, the side of the impurity removal guide rod movable slot hole 20 is provided with an oxygen introduction port 21, and the side of the ferrosilicon purification smelting furnace 6 is provided with a smelting furnace overturn dumping guide rod 22.

The specific operation process and convenience comprise: firstly, putting a ferrosilicon raw material for purification into a ferrosilicon purification smelting furnace 6; secondly, heating the silicon iron raw material for purification by a silicon iron purification heating mechanism 2; thirdly, introducing oxygen into the ferrosilicon purification smelting furnace 6 through the purification oxygen introducing mechanism 3 to promote the extraction of the raw materials to accelerate the melting; fourthly, when the ferrosilicon raw material for purification is in a liquid state, impurity removal and stirring are carried out through the ferrosilicon purification and impurity removal mechanism 4, and the primary smelting furnace plugging cover plate 18 is opened for 5-10 minutes to carry out impurity removal; checking the change of the impurity cleaning amount, and prolonging the opening interval time of the sealing cover plate 18 of the smelting furnace; and sixthly, pouring out the silicon iron solution after no impurities are confirmed, and finishing the single purification operation of the special high-purity silicon iron.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.