CN217418751U - Two-phase steel refining and purifying device - Google Patents

Abstract

The utility model relates to a concise purifier of diphase steel, which comprises a housin, the sealing door is installed to the preceding terminal surface of casing, its inside heated warehouses that is provided with, the observation window has been seted up on the sealing door, heated warehouses fixed connection is in the inner chamber bottom of casing, a plurality of heat conduction hole has been seted up to its top surface, and the equal fixedly connected with electric heat seat of the both sides inner wall of heated warehouses, electric connection has the heating wire between the electric heat seat, the top of heat conduction hole is provided with the conducting strip, conducting strip fixed connection is at the top of heated warehouses, and placed on the conducting strip and purified the groove, the both sides that purify the groove all are provided with stop gear, the inner chamber top fixedly connected with pneumatic cylinder of casing, the output shaft bottom fixedly connected with lifter plate of pneumatic cylinder, the bottom of lifter plate is provided with and purifies the mechanism. The utility model discloses can be with purifying during required inert gas is abundant, the leading-in fuse-element uniformly to thoroughly clear away the impurity in the fuse-element, and be convenient for supply and change inert gas, stability is high.

Description

Two-phase steel refining and purifying device

Technical Field

The utility model relates to a diphase steel specifically is a refined purifier of diphase steel.

Background

Duplex steel, i.e. duplex stainless steel, means stainless steel with a ferrite and austenite content of about 50% each, typically with a minimum of phases up to 30% being required. Under the condition of low C content, the Cr content is 18-28%, and the Ni content is 3-10%. Some steels also contain alloying elements such as Mo, Cu, Nb, Ti, N, etc. The dual-phase steel is easy to generate oxidation, air suction and impurity absorption in the smelting process, so that the dual-phase steel melt generates pollution, the manufacturability of the material and the performance of a finished product are reduced, and therefore the dual-phase steel generally needs to be subjected to necessary refining and purification treatment before casting.

The mode that present diphase steel refining purification mainly relies on leading into inert gas or taking the flux to produce neutral gas to carry out the edulcoration in to the fuse-element, but current refining purifier is because structural design's reason, be difficult to lead to the required inert gas of purification in abundant, evenly leading into the fuse-element to make the impurity in the fuse-element thoroughly clear away, and current refining purifier is the integral structure mostly, be difficult to dismantle, thereby be not convenient for supply or change inert gas, consequently the urgent need is improved it.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a refining and purifying device for dual-phase steel.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a refining purifier of diphase steel, includes the casing, the sealing door is installed to the preceding terminal surface of casing, and its inside heating bunker is provided with, the observation window has been seted up on the sealing door, heating bunker fixed connection has seted up a plurality of heat conduction hole in the inner chamber bottom of casing, its top surface, just the equal fixedly connected with electric heat seat of both sides inner wall of heating bunker, electric connection has the heating wire between the electric heat seat, the top of heat conduction hole is provided with the conducting strip, conducting strip fixed connection is at the top of heating bunker, just the purification groove has been placed on the conducting strip, the both sides that purify the groove all are provided with stop gear, the inner chamber top fixedly connected with pneumatic cylinder of casing, the output shaft bottom fixedly connected with lifter plate of pneumatic cylinder, the bottom of lifter plate is provided with purification mechanism.

As a preferred technical scheme of the utility model, it includes the mounting bracket to purify the mechanism, the fixed cylinder of bottom center fixedly connected with of mounting bracket, just a plurality of gas pitcher has been placed in the mounting bracket, the air duct is installed on the top of gas pitcher, install the gas guide valve on the air duct, its bottom mouth of pipe runs through the bottom of mounting bracket and extends to in the fixed cylinder, threaded connection has the gas guide cylinder on the fixed cylinder, mutually supported internal thread and external screw thread are carved with respectively to the outer wall surface of the top inner wall of gas guide cylinder and fixed cylinder, and is a section of thick bamboo wall fixedly connected with a plurality of group's outlet ducts of gas guide cylinder, every the one end of outlet duct all communicates each other with the inner chamber of gas guide cylinder, and a plurality of venthole has been seted up on its pipe wall surface.

As an optimal technical scheme of the utility model, every group the outlet duct all uses the centre of a circle of gas cylinder as the center and is cyclic annular setting, and every adjacent two sets of be the equidistance setting between the outlet duct.

As a preferred technical scheme of the utility model, a plurality of threaded rods of the equal fixedly connected with in bottom both sides of lifter plate, the pole body threaded connection of threaded rod has rather than matched with nut, a plurality of and threaded rod matched with locating hole have all been seted up to the both sides top surface of mounting bracket, the quantity of locating hole is the same with the threaded rod, just the locating hole is located same straight line with the threaded rod center that corresponds.

As a preferred technical scheme of the utility model, be provided with a plurality of spacing ring in the mounting bracket, the quantity of spacing ring is the same with the gas pitcher, fixedly connected with connecting block between its outer wall and the inner wall of mounting bracket, just the inner wall surface of spacing ring is provided with the one deck rubber pad.

As the utility model discloses a preferred technical scheme, stop gear includes the support, the one end fixed connection of support is at the outer wall of heated warehouses, its other end fixedly connected with limiting plate, the interval of limiting plate equals with the length that purifies the groove.

As an optimal technical scheme of the utility model, the lateral wall surface that the limiting plate is close to purification groove one side is provided with the one deck slipmat, chevron shape antiskid line is carved with on the surface of slipmat.

The embodiment of the utility model provides a duplex steel refining purifier possesses following beneficial effect:

1. the utility model discloses a mutually support between each component in the purification mechanism can be with the required inert gas of refining purification leading-in to the biphase steel fuse-element in purifying the groove to play the effect of refining purification, and can effectively enlarge the leading-in scope of inert gas through the venthole on each outlet duct surface, make inert gas can fully, evenly lead-in the fuse-element, and fully contact with the fuse-element, thereby can thoroughly clear away the impurity in the biphase steel fuse-element, avoid remaining;

2. the utility model can fix the whole purification mechanism together at the bottom of the lifting plate through the mutual matching between the threaded rod and the nut, and can take down the purification mechanism through screwing down the nut so as to supplement or replace the inert gas in the gas tank;

3. the utility model discloses a mutually supporting between each component among the stop gear can carry on spacingly to purifying the groove to fix on the heat conduction piece at heated warehouses top purifying the groove, thereby prevent that it from taking place to skid and the displacement at the in-process of concise purification, and can carry on spacingly to the gas pitcher through the spacing ring, so that improve the stability of gas pitcher, thereby prevent that it from taking place the displacement and toppling over and cause the gas pitcher to receive the collision.

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 perspective view of the external structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the purge mechanism;

fig. 4 is a cross-sectional view of the gas cartridge.

In the figure: 1. a housing; 2. a sealing door; 3. a heating chamber; 4. an observation window; 5. a heat conduction hole; 6. an electric heating seat; 7. an electric heating wire; 8. a heat conductive sheet; 9. a purification tank; 10. a hydraulic cylinder; 11. a lifting plate; 12. a mounting frame; 13. a fixed cylinder; 14. a gas tank; 15. an air duct; 16. an air guide cylinder; 17. an air outlet pipe; 18. an air outlet; 19. a threaded rod; 20. a nut; 21. positioning holes; 22. a limiting ring; 23. connecting blocks; 24. a support; 25. a limiting plate; 26. a non-slip mat; 27. and a gas guide valve.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1-4, a two-phase steel refining and purifying device comprises a housing 1, a sealing door 2 is installed on the front end face of the housing 1, a heating chamber 3 is arranged in the sealing door 2, an observation window 4 is arranged on the sealing door 2, the heating chamber 3 is fixedly connected to the bottom of an inner cavity of the housing 1, a plurality of heat conduction holes 5 are arranged on the top surface of the heating chamber, electric heating seats 6 are fixedly connected to inner walls of two sides of the heating chamber 3, electric heating wires 7 are electrically connected between the electric heating seats 6, heat conduction sheets 8 are arranged above the heat conduction holes 5, the heat conduction sheets 8 are fixedly connected to the top of the heating chamber 3, a purifying groove 9 is arranged on the heat conduction sheets 8, limiting mechanisms are arranged on two sides of the purifying groove 9, a hydraulic cylinder 10 is fixedly connected to the top of the inner cavity of the housing 1, a lifting plate 11 is fixedly connected to the bottom end of an output shaft of the hydraulic cylinder 10, and a purifying mechanism is arranged at the bottom of the lifting plate 11;

the purification mechanism comprises a mounting frame 12, a fixed cylinder 13 is fixedly connected to the center of the bottom of the mounting frame 12, a plurality of gas cylinders 14 are arranged in the mounting frame 12, gas guide pipes 15 are arranged at the top ends of the gas cylinders 14, gas guide valves 27 are arranged on the gas guide pipes 15, pipe orifices at the bottom ends of the gas guide pipes penetrate through the bottom of the mounting frame 12 and extend into the fixed cylinder 13, gas guide cylinders 16 are connected to the fixed cylinder 13 in a threaded mode, internal threads and external threads which are matched with each other are respectively carved on the inner walls of the top ends of the gas guide cylinders 16 and the outer wall surface of the fixed cylinder 13, a plurality of groups of gas outlet pipes 17 are fixedly connected to the cylinder walls of the gas guide cylinders 16, one end of each gas outlet pipe 17 is communicated with the inner cavity of the gas guide cylinders 16, and a plurality of gas outlet holes 18 are formed in the pipe wall surfaces of the gas outlet pipes;

in this embodiment, through the design of the purification mechanism, in practical use, the inert gas stored in the gas tank 14 can be introduced into the gas cylinder 16 along the gas guide tube 15 by opening the gas guide valve 27, and is introduced into the dual-phase steel melt in the purification tank 9 through each gas outlet tube 17 and each gas outlet hole 18, and at this time, in the process of floating up the bubbles, the suspended impurity particles in the melt can be adsorbed on the surfaces of the bubbles and are carried out of the melt, so that the refining and purification effects can be achieved;

wherein, each group of air outlet pipes 17 are annularly arranged by taking the circle center of the air cylinder 16 as the center, and every two adjacent groups of air outlet pipes 17 are arranged at equal intervals;

in the embodiment, through the design of the gas outlet pipes 17, when the dual-phase steel melting body is actually used, the leading-in range of the inert gas can be effectively expanded through the gas outlet holes 18 on the surfaces of the gas outlet pipes 17, so that the inert gas can be fully and uniformly led into the melting body and fully contacted with the melting body, and therefore impurities in the dual-phase steel melting body can be thoroughly removed, and residues are avoided;

the two sides of the bottom of the lifting plate 11 are fixedly connected with a plurality of threaded rods 19, the rod body of each threaded rod 19 is in threaded connection with a nut 20 matched with the threaded rod 19, the top surfaces of the two sides of the mounting frame 12 are provided with a plurality of positioning holes 21 matched with the threaded rods 19, the number of the positioning holes 21 is the same as that of the threaded rods 19, and the centers of the positioning holes 21 and the corresponding threaded rods 19 are located on the same straight line;

in this embodiment, through the design of the threaded rods 19 and the nuts 20, in practical use, each threaded rod 19 can be aligned with and pass through the corresponding positioning hole 21, at this time, the whole purification mechanism can be fixed at the bottom of the lifting plate 11 together through the mutual matching between the threaded rods 19 and the nuts 20, and the purification mechanism can be removed by screwing down the nuts 20 so as to supplement or replace the inert gas;

wherein, a plurality of limiting rings 22 are arranged in the mounting rack 12, the number of the limiting rings 22 is the same as that of the gas tank 14, a connecting block 23 is fixedly connected between the outer wall of the limiting rings and the inner wall of the mounting rack 12, and a layer of rubber pad is arranged on the surface of the inner wall of the limiting rings 22;

in this embodiment, by the design of the limit ring 22, in practical use, the limit ring 22 can limit the gas tank 14, so as to improve the stability of the gas tank 14, thereby preventing the gas tank 14 from being collided due to displacement and toppling over, and the rubber pad can play a role of buffering, so as to prevent the gas tank 14 from being worn due to direct contact with the inner wall surface of the limit ring 22;

the limiting mechanism comprises a bracket 24, one end of the bracket 24 is fixedly connected to the outer wall of the heating bin 3, the other end of the bracket 24 is fixedly connected with a limiting plate 25, and the distance between the limiting plates 25 is equal to the length of the purifying tank 9;

in this embodiment, through the design of the limiting mechanism, in practical use, the limiting plate 25 is tightly attached to the outer wall of the purifying tank 9, and at this time, the limiting plate 25 can limit the purifying tank 9, so as to fix the purifying tank 9 on the heat conducting fins 8 at the top of the heating chamber 3;

wherein, the surface of the side wall of the limiting plate 25 close to one side of the purifying tank 9 is provided with a layer of anti-skid mat 26, and the surface of the anti-skid mat 26 is carved with herringbone anti-skid lines;

in this embodiment, by the design of the non-slip mat 26, in practical use, the friction between the purifying tank 9 and the limiting plate 25 can be increased by the non-slip mat 26, so as to further improve the stability of the purifying tank 9, thereby preventing the purifying tank 9 from slipping and shifting during the refining and purifying process.

The working principle is as follows: when the utility model is used, firstly, the electrical components in the device are externally connected with a control switch and a power supply through wires, then the sealing door 2 is opened to place the purifying groove 9 containing the dual-phase steel melt on the heat conducting strip 8 at the top of the heating bin 3, and the limiting plate 25 is tightly attached to the outer wall of the purifying groove 9, the purifying groove 9 can be limited through the limiting plate 25, so that the purifying groove 9 is fixed on the heat conducting strip 8 at the top of the heating bin 3, thereby preventing the purifying groove from slipping and displacing in the refining and purifying process, then the sealing door 2 is closed, and the electric heating wire 7 is electrified through the electric heating seat 6, heat can be generated after the electric heating wire 7 is electrified, the heat can be transmitted to the heat conducting strip 8 through each heat conducting hole 5, the heat conducting strip 8 is made of metal material, has strong heat-conducting performance, can absorb heat and transmit the heat to the purifying groove 9, thereby heating the dual-phase steel melt in the purifying groove 9, then, the hydraulic cylinder 10 is driven to drive the lifting plate 11 to move downwards together with the whole purification mechanism until the gas guide cylinder 16 extends into the purification tank 9, the gas guide valve 27 is opened to guide the inert gas stored in the gas cylinder 14 into the gas guide cylinder 16 along the gas guide pipe 15, the inert gas enters the gas guide cylinder 16 and then is guided into the dual-phase steel melt in the purification tank 9 through each gas outlet pipe 17 and each gas outlet hole 18, at the moment, in the process of floating up the bubbles, suspended impurity particles in the melt can be adsorbed on the surfaces of the bubbles and are carried out of the melt, so that the effect of refining and purification can be achieved, the guide range of the inert gas can be effectively expanded through the gas outlet holes 18 on the surfaces of the gas outlet pipes 17, the inert gas can be fully and uniformly guided into the melt and fully contacted with the melt, the impurities in the dual-phase steel melt can be thoroughly removed, and the residues are avoided; when the inert gas in the gas tanks 14 is used up, the nuts 20 can be screwed down and the mounting frames 12 are removed from the bottom of the lifting plate 11, so that each gas tank 14 can be taken out of the corresponding limit ring 22 for supplementing or replacing the inert gas.

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 (7)

1. The utility model provides a purification device is refined to diphase steel, includes casing (1), its characterized in that, sealing door (2) is installed to the preceding terminal surface of casing (1), and its inside is provided with heated warehouses (3), observation window (4) have been seted up on sealing door (2), heated warehouses (3) fixed connection is in the inner chamber bottom of casing (1), and a plurality of heat conduction hole (5) have been seted up to its top surface, just the equal fixedly connected with electric heat seat (6) of both sides inner wall of heated warehouses (3), electrically connected with heating wire (7) between electric heat seat (6), the top of heat conduction hole (5) is provided with conducting strip (8), conducting strip (8) fixed connection is at the top of heated warehouses (3), just purification groove (9) have been placed on conducting strip (8), the both sides of purifying groove (9) all are provided with stop gear, the inner chamber top fixedly connected with pneumatic cylinder (10) of casing (1), the bottom end of an output shaft of the hydraulic cylinder (10) is fixedly connected with a lifting plate (11), and a purification mechanism is arranged at the bottom of the lifting plate (11).

2. A refining and purifying device for dual-phase steel as claimed in claim 1, wherein said purifying mechanism comprises a mounting frame (12), a fixed cylinder (13) is fixedly connected to the center of the bottom of said mounting frame (12), and a plurality of gas tanks (14) are disposed in said mounting frame (12), gas tubes (15) are mounted on the top ends of said gas tanks (14), gas guide valves (27) are mounted on said gas tubes (15), the bottom end pipe orifices thereof penetrate through the bottom of said mounting frame (12) and extend into said fixed cylinder (13), gas guide cylinders (16) are connected to said fixed cylinder (13) in a threaded manner, internal and external threads are respectively engraved on the inner wall of the top ends of said gas guide cylinders (16) and the outer wall surface of said fixed cylinder (13) in a mutually matched manner, and a plurality of sets of gas outlet pipes (17) are fixedly connected to the wall of said gas guide cylinders (16), one end of each gas outlet pipe (17) is communicated with the inner cavity of said gas guide cylinders (16), the surface of the pipe wall is provided with a plurality of air outlet holes (18).

3. A refining and purifying apparatus for dual phase steel as claimed in claim 2, wherein each set of said air outlet pipes (17) is disposed annularly centering on the center of the gas cylinder (16), and each adjacent two sets of said air outlet pipes (17) are disposed at equal distance.

4. The refining and purifying device for the dual-phase steel as claimed in claim 2, wherein a plurality of threaded rods (19) are fixedly connected to both sides of the bottom of the lifting plate (11), nuts (20) matched with the threaded rods (19) are in threaded connection with the rod bodies of the threaded rods (19), a plurality of positioning holes (21) matched with the threaded rods (19) are formed in the top surfaces of both sides of the mounting frame (12), the number of the positioning holes (21) is the same as that of the threaded rods (19), and the centers of the positioning holes (21) and the corresponding threaded rods (19) are located on the same straight line.

5. A dual-phase steel refining purification apparatus according to claim 2, wherein a plurality of limiting rings (22) are provided in the mounting frame (12), the number of the limiting rings (22) is the same as that of the gas tank (14), a connecting block (23) is fixedly connected between the outer wall of the limiting rings and the inner wall of the mounting frame (12), and a layer of rubber pad is provided on the surface of the inner wall of the limiting rings (22).

6. A refining and purification device of dual phase steel as claimed in claim 1, wherein said limiting mechanism comprises a bracket (24), one end of said bracket (24) is fixedly connected to the outer wall of the heating chamber (3), and the other end is fixedly connected with a limiting plate (25), the distance between said limiting plates (25) is equal to the length of the purification tank (9).

7. A refining and purification device for dual phase steel as claimed in claim 6, wherein the side wall surface of said limiting plate (25) near the side of the purification tank (9) is provided with a layer of anti-slip mat (26), and the surface of said anti-slip mat (26) is carved with herringbone anti-slip lines.

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