CN210151188U - Active gas generating device for refining molten aluminum - Google Patents

Abstract

The utility model discloses an active gas generating device is used in aluminium liquid refining, including the heat preservation stove, the heat preservation stove bottom is equipped with the ventilative stove, and ventilative stove inner chamber is fixed with a plurality of annular cardboards, and the air guide groove has all been opened to ventilative stove, annular cardboard central point. Be equipped with the air brick structure in the annular cardboard, the brick cup bottom intercommunication is equipped with the bleed pipe, and brick cup inner wall bottom mounting has the brick core, and brick core bottom is equipped with the clearance, and the ventilative room intercommunication setting of clearance and brick core side. The utility model is provided with a plurality of air brick structures at the bottom in the furnace, the air guide groove is communicated with the air inlet groove, the purpose of one groove for multiple purposes is realized, the uniform continuous automatic addition is realized, the safety of the liquid refining agent is ensured, and the use is benefited; simultaneously, the air brick structure includes bleed pipe and ventilation chamber, and carbon tetrachloride is gaseous from bleed pipe in getting into the ventilation chamber, and the second bleeder vent of following is respectively again discharged, has guaranteed the effect of dispersing, has increased aluminium liquid and carbon tetrachloride gaseous area of contact, and the miscellaneous effect of row is showing.

Description

Active gas generating device for refining molten aluminum

Technical Field

The utility model relates to a concise field of aluminium liquid, specific is a concise active gas generating device that uses of aluminium liquid.

Background

In the refining process of the aluminum liquid, the aluminum liquid in a molten state contains impurity gas, wherein the hydrogen accounts for more than 90%, and the quality of the aluminum liquid can be seriously influenced if the impurity gas in the aluminum liquid is not discharged.

In the prior art, the hydrogen gas discharge method basically adopts the steps that gas formed after carbon tetrachloride liquid is refined is introduced into aluminum liquid through a gas permeable brick, and then hydrogen in the aluminum liquid is converted into gases such as hydrogen chloride and the like through chemical reaction and discharged, so that the purpose of impurity discharge is realized.

The air brick is pre-buried in the bottom of heat preservation stove generally, and the air inlet duct that carbon tetrachloride is gaseous to set up through the bottom gets into in the air brick again gets into the stove, and air inlet duct and air brick generally set up to one, and single air brick is general to the effect that carbon tetrachloride is gaseous to disperse, and current air brick only opens at the top has the bleeder vent, and carbon tetrachloride is gaseous to disperse and distributes inhomogeneously, and gaseous miscellaneous effect of arranging is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects mentioned in the background technology, the utility model aims to provide an active gas generating device for refining molten aluminum, the utility model is provided with a plurality of air brick structures at the bottom in the furnace, the air introducing grooves at the bottom of the air brick structures are communicated with the air inlet grooves arranged at the bottom in the furnace, thereby realizing the purpose of one groove for multiple purposes, and the plurality of air brick structures have good gas dispersion effect, realize uniform continuous automatic addition, ensure the safety of the liquid refining agent and be used in a lean way;

and simultaneously, the utility model discloses a permeable brick structure includes bleed pipe and ventilation chamber, and carbon tetrachloride is gaseous from bleed pipe in getting into the ventilation chamber, and the effect of dispersing has been guaranteed to the discharge from first bleeder vent and second bleeder vent respectively again, has increased aluminium liquid and carbon tetrachloride gas contact area, and the miscellaneous effect of row is showing.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an active gas generating device for aluminium liquid refining, includes the heat preservation stove, the heat preservation stove bottom is equipped with ventilative stove, and ventilative stove bottom end is fixed with the supporting legs, and ventilative stove inner chamber is fixed with a plurality of annular cardboards, and the annular cardboard central point puts in the ventilative stove and all opens the air guide groove, and the air inlet groove that air guide groove and ventilative stove bottom end were seted up all communicates the setting.

The air brick structure is arranged in the annular clamping plate and comprises a brick cup fixed with the annular clamping plate in a clamped mode, first air holes distributed in an array mode are formed in the side wall of the brick cup, and clamping grooves distributed in an array mode are formed in the inner wall of the top of the brick cup.

The bottom end of the brick cup is communicated with a gas guide pipe, the gas guide pipe is matched with the gas guide groove in a limiting and sealing mode, a brick core is fixed to the bottom end of the inner wall of the brick cup, a gap is formed in the bottom end of the brick core, and the gap is communicated with a ventilation chamber at the side end of the brick core.

The upper end of the brick core is provided with a ventilation plate, the ventilation plate is provided with second ventilation holes distributed in an array manner, and refined carbon tetrachloride gas enters the ventilation chamber from the air inlet groove through the air inlet pipe and then is discharged from the first ventilation holes and the second ventilation holes.

Furthermore, the upper end of the heat preservation furnace is hermetically provided with a cover plate, a first flange plate is arranged in the middle of the upper end of the cover plate, an air outlet hole is formed in the middle of the first flange plate, a second flange plate is arranged at the upper end of the first flange plate, and the first flange plate and the second flange plate are fixedly connected through bolts.

Furthermore, a sealing ring is arranged in the air inlet groove, an air inlet pipe is arranged in the sealing ring, and the refined carbon tetrachloride gas enters the ventilating furnace from the air inlet groove through the air inlet pipe.

Furthermore, the lateral end of the ventilation plate is provided with clamping blocks which are distributed in an array manner and are in limit fit with the clamping grooves.

The utility model has the advantages that:

1. the utility model discloses be equipped with a plurality of air brick structures at the bottom in the stove, air brick structure bottom air guide groove all communicates the setting with the air inlet duct that the bottom was seted up in the stove, has realized the purpose that a groove is multi-purpose, and a plurality of air brick structures are effectual to gaseous dispersion, have realized even continuous automatic addition, ensure liquid refining agent safety, the lean use;

2. the utility model discloses a permeable brick structure includes bleed pipe and ventilation chamber, and carbon tetrachloride is gaseous from bleed pipe in getting into the ventilation chamber, and the effect of dispersing has been guaranteed to the discharge from first bleeder vent and second bleeder vent respectively again, has increased aluminium liquid and carbon tetrachloride gas contact area, and the miscellaneous effect of row is showing.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the structure of the ventilating furnace and the ventilating bricks of the present invention;

FIG. 3 is a schematic view of the cover plate structure of the present invention;

FIG. 4 is a schematic sectional view of a part of the structure of the present invention;

FIG. 5 is an exploded view of the structure of the air brick of the present invention;

fig. 6 is an enlarged schematic view of the point a in fig. 4 according to the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides an active gas generating device for aluminium liquid refining, as shown in fig. 1 and 2, includes heat preservation stove 1, and heat preservation stove 1 upper end is sealed to be provided with apron 2, and 2 upper end intermediate positions are equipped with first ring flange 21, and open at first ring flange 21 intermediate position has venthole 2101, and first ring flange 21 upper end is equipped with second ring flange 22, and first ring flange 21 and second ring flange 22 pass through bolt 23 fixed connection.

As shown in fig. 3 and 4, the bottom end of the holding furnace 1 is provided with the ventilating furnace 3, the bottom end of the ventilating furnace 3 is fixed with the supporting legs 31, the inner cavity of the ventilating furnace 3 is fixed with a plurality of annular clamping plates 32, the center positions of the annular clamping plates 32 in the ventilating furnace 3 are both provided with air-entraining grooves 3201, and the air-entraining grooves 3201 and the air-intake grooves 33 arranged at the bottom end of the ventilating furnace 3 are both communicated. A sealing ring 34 is arranged in the air inlet groove 33, an air inlet pipe 35 is arranged in the sealing ring 34, and the refined carbon tetrachloride gas enters the gas permeable furnace 3 from the air inlet groove 33 through the air inlet pipe 35.

As shown in fig. 3 and 5, a brick ventilation structure 4 is disposed in the annular clamping plate 32, the brick ventilation structure 4 includes a brick cup 41 fastened and fixed with the annular clamping plate 32, first ventilation holes 4101 are formed in the side wall of the brick cup 41 in an array, and fastening grooves 4102 are formed in the inner wall of the top of the brick cup 41 in an array.

As shown in fig. 5 and 6, the bottom end of the brick cup 41 is communicated with the air-guiding pipe 42, the air-guiding pipe 42 is in spacing, sealing and matching with the air-guiding groove 3201, the brick core 43 is fixed on the bottom end of the inner wall of the brick cup 41, the gap 4301 is arranged at the bottom end of the brick core 43, and the gap 4301 is communicated with the ventilation chamber 44 at the side end of the brick core 43.

The upper end of the brick core 43 is provided with a ventilation plate 45, the ventilation plate 45 is provided with second ventilation holes 4501 distributed in an array, and refined carbon tetrachloride gas enters the ventilation chamber 44 from the air inlet groove 33 through the air inlet pipe 35 and then is discharged from the first ventilation hole 4101 and the second ventilation hole 4501 to perform chemical reaction with aluminum liquid in the holding furnace 1. The side end of the air permeable plate 45 is provided with clamping blocks 4502 which are distributed in an array mode and are in limit fit with the clamping grooves 4102, and the air permeable plate 45 can be detached under the action of external force, so that the air permeable plate 45 with different second air holes 4501 in aperture can be replaced conveniently.

When the aluminum liquid heat preservation furnace is used, the second flange plate is opened, refined carbon tetrachloride gas enters the gas permeation chamber 44 from the gas inlet groove 33 through the gas inlet pipe 35 and then is discharged from the first vent hole 4101 and the second vent hole 4501, the carbon tetrachloride gas is uniformly and continuously distributed in aluminum liquid, hydrogen in the carbon tetrachloride, the aluminum liquid and the aluminum liquid generates hydrogen chloride, aluminum trichloride and other gases at a high temperature state and is discharged out of the heat preservation furnace, and hydrogen impurities in the aluminum liquid are discharged.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (4)

1. An active gas generating device for refining molten aluminum comprises a heat preserving furnace (1) and is characterized in that a ventilating furnace (3) is arranged at the bottom end of the heat preserving furnace (1), supporting legs (31) are fixed at the bottom end of the ventilating furnace (3), a plurality of annular clamping plates (32) are fixed in the inner cavity of the ventilating furnace (3), air introducing grooves (3201) are formed in the central positions of the annular clamping plates (32) in the ventilating furnace (3), and the air introducing grooves (3201) and an air inlet groove (33) formed in the bottom end of the ventilating furnace (3) are communicated;

the annular clamping plate (32) is internally provided with a ventilating brick structure (4), the ventilating brick structure (4) comprises a brick cup (41) which is fixedly clamped with the annular clamping plate (32), the side wall of the brick cup (41) is provided with first ventilating holes (4101) which are distributed in an array manner, and the inner wall of the top of the brick cup (41) is provided with clamping grooves (4102) which are distributed in an array manner;

the bottom end of the brick cup (41) is communicated with a gas guide pipe (42), the gas guide pipe (42) is matched with a gas guide groove (3201) in a limiting and sealing manner, a brick core (43) is fixed at the bottom end of the inner wall of the brick cup (41), a gap (4301) is formed at the bottom end of the brick core (43), and the gap (4301) is communicated with a gas permeable chamber (44) at the side end of the brick core (43);

the upper end of the brick core (43) is provided with a ventilation plate (45), the ventilation plate (45) is provided with second ventilation holes (4501) distributed in an array manner, and refined carbon tetrachloride gas enters the ventilation chamber (44) from the gas inlet groove (33) through the gas inlet pipe (35) and then is discharged from the first ventilation hole (4101) and the second ventilation hole (4501).

2. The active gas generating device for refining the molten aluminum as defined in claim 1, wherein the upper end of the holding furnace (1) is hermetically provided with a cover plate (2), a first flange plate (21) is arranged at the middle position of the upper end of the cover plate (2), the middle position of the first flange plate (21) is provided with a gas outlet hole (2101), a second flange plate (22) is arranged at the upper end of the first flange plate (21), and the first flange plate (21) and the second flange plate (22) are fixedly connected through bolts (23).

3. The active gas generating device for refining aluminum liquid as defined in claim 1, wherein a sealing ring (34) is provided in the inlet channel (33), an inlet tube (35) is provided in the sealing ring (34), and the refined carbon tetrachloride gas enters the gas permeable furnace (3) from the inlet channel (33) through the inlet tube (35).

4. The active gas generator for molten aluminum refining as set forth in claim 1, wherein the side end of said gas permeable plate (45) is provided with engaging blocks (4502) in array distribution and in limit fit with the engaging grooves (4102).

Images