CN210711623U - Adjustable automatic argon blowing device for steel ladle - Google Patents
Adjustable automatic argon blowing device for steel ladle Download PDFInfo
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- CN210711623U CN210711623U CN201921934253.0U CN201921934253U CN210711623U CN 210711623 U CN210711623 U CN 210711623U CN 201921934253 U CN201921934253 U CN 201921934253U CN 210711623 U CN210711623 U CN 210711623U
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Abstract
The utility model discloses an adjustable automatic argon blowing device for a steel ladle, which comprises an argon blowing device, wherein a guide device is arranged above the argon blowing device, the guide device comprises a guide sleeve, a base is arranged above the guide sleeve, a main rod comprises a bottom rod, an adjusting rod and a sealing ball head, and the adjusting rod is movably arranged between the bottom rod and the sealing ball head; the central axis of the bottom rod is provided with an inverted frustum-shaped through hole, and the bottom rod is in clearance fit with the inverted frustum-shaped through hole; the lower end of the bottom rod is provided with a gasket which is fixed through a nut; the guiding device is also internally provided with a one-way valve. The structure of the utility model is simpler, the main rod is provided with the adjusting rod, the use requirements can be met by changing different adjusting rods according to different use environments, the whole main rod is not required to be changed, the manufacturing cost is saved, and the change is more convenient; when the sealing ball head is worn, only the sealing ball head needs to be replaced; the gas one-way valve in the guiding device adopts a new technology without a spring, the whole service life of the guiding device is prolonged, and the maintenance cost is saved.
Description
Technical Field
The utility model belongs to the technical field of steelmaking equipment, concretely relates to automatic argon blowing device of regulation formula ladle.
Background
At present, the argon blowing at the bottom of the ladle is widely applied to the technical field of steel making. Argon is blown into molten steel through a gas permeable brick arranged at the bottom of the steel ladle, so that the molten steel generates circulation in the steel ladle under the action of the argon, the molten steel is fully stirred, and alloy, a dehydrogenating agent, a desulfurizing agent and the like added in the molten steel are rapidly melted and dispersed, so that the components and the temperature of the molten steel are uniform; in addition, the argon bubbles can adsorb impurities in the molten steel and remove non-metallic impurities in the steel, thereby achieving the purposes of purifying the molten steel and improving the quality of steel products.
The patent with the publication number of CN208055391U discloses an argon blowing device with a rigid protective cover, which comprises an upper cover component, a spring, a base component, a spherical nut, a threaded sleeve and a main rod with an air inlet; the upper cover assembly comprises an upper cover, an upper sheath and a lower sheath, the upper cover is fixedly connected with the upper end of the upper sheath, and a baffle is fixed at the lower end of the upper sheath; the upper end of the lower sheath is provided with a retaining ring, the upper sheath and the lower sheath are sleeved together through a baffle and the retaining ring, and the lower sheath can freely stretch up and down in the upper sheath; the middle part of the main rod is arranged in the upper cover component, the head part of the main rod is arranged outside the upper cover component through a central through hole of the upper cover, and the tail part of the main rod is provided with threads; the base assembly is sleeved at the tail part of the main rod and is in clearance fit with an inner hole at the lower end of the lower sheath, and the spherical nut is arranged on the main rod outside the base assembly and is connected with the main rod through threads; the screw sleeve is arranged on the main rod outside the spherical nut and is connected with the main rod through a set screw; and a spring is arranged between the upper cover and the base assembly in the upper cover assembly.
This patent technology simple structure, the effectual technological problem who has protected the easy loss of traditional flexible sheath, the inside structure of flexible sheath is burnt to effectual molten steel and the slag that prevents the splash, has increased the life of equipment. But the device still has technical problem, firstly, the mobile jib of the device designs as an organic whole, because the structure of ladle is different, need make the mobile jib of different length rather than matching according to specific service environment, the manufacturing cost has increased in the intangible, in addition, the ball joint body on mobile jib top is very easily worn and torn after the butt joint many times, need when needing to be changed the mobile jib is whole to be changed, it is inconvenient to dismantle, the cost of maintaining has increased again simultaneously, secondly, when the device docks with the ladle, the lower sheath of the device and mobile jib all take place the rigidity friction with the base subassembly, the subassembly that takes place the rigidity friction is very easily damaged.
The Chinese patent with the granted publication number of CN 201372297Y discloses a complete set of automatic argon blowing device, which comprises a spring seat, a hexagon nut, a spring, a transition flange, a sealing ball, a core body device, a guide sleeve, a main rod, an upper cover, a large spring, a soft sheath, a base, a spherical nut, a sleeve disc, a transition joint, a threaded sleeve, a soft sheath hoop and a positioning pin; a gasket is padded between the transition flange and the guide sleeve and is tightly connected, the spring seat is installed at the innermost part of the transition flange, the spring is installed in the spring seat, the outer end part of the spring is propped against the sealing ball, and the core body device is installed at one end close to the outer part inside the transition flange and is used for tightly pressing the sealing ball; the mobile jib is installed at the inside center of upper cover, through the locating pin location, and big spring housing is on the mobile jib, connects through the soft sheath between upper cover and the base, with soft sheath clamp chucking, and spherical nut passes through the screw thread to be installed at the mobile jib afterbody, pushes up tight base, and the sleeve dish cover is on the spiral shell, and the spiral shell passes through the screw thread to be installed on the mobile jib at spherical nut's back, and the afterbody at the mobile jib is installed to the transition festival.
This patent is very traditional argon blowing interfacing apparatus, the device is equipped with gaseous one way switch, mainly constitute by subassembly such as spring holder, hexagon nut, spring, transition flange, ball sealer, core device, or similar this structure's one way switch structure, because the spring in the device is in high temperature environment for a long time, consequently, the elasticity of spring weakens gradually until disappearing, thereby leads to gas to leak, and the molten steel in the ladle flows backwards from argon blowing air brick, arouses that the argon blowing device blocks up or even burns out, its afterward fruit can't imagine.
Disclosure of Invention
An aspect of this disclosure provides an automatic argon device that blows of regulation formula ladle, should blow the argon device and adapt to the not work demand of co-altitude through changing the regulation pole in the mobile jib, solves the technical problem that traditional argon device that blows need change whole mobile jib through the globular joint of changing the mobile jib top, and the device is very big has saved the maintenance cost of manufacturing and later stage.
Another aspect of the present disclosure provides an argon blowing device having a high temperature resistant gas one-way switch, which can operate in a high temperature environment for a long time, and which prolongs a service life of the argon blowing device.
In order to realize the purpose, the utility model adopts the following technical proposal that the argon blowing device comprises a main rod, an upper spring seat, a lower spring seat, an upper protective cover, a lower protective cover, a spring and a mounting plate, wherein the upper protective cover is arranged at the outer side of the upper spring seat, the lower protective cover is arranged above the lower spring seat, the mounting plate is arranged below the lower spring seat, the spring is arranged between the upper spring seat and the lower spring seat, the upper spring seat, the lower spring seat, the upper protective cover, the lower protective cover and the spring are coaxially arranged from top to bottom in sequence, the main rod is arranged on a central axis of the upper spring seat and the lower spring seat, a guiding device is arranged above the argon blowing device, the guiding device comprises a guiding sleeve, a base is,
the main rod comprises a bottom rod, an adjusting rod and a sealing ball head, and the adjusting rod is movably arranged between the bottom rod and the sealing ball head; the central axis of the bottom rod is provided with an inverted frustum-shaped through hole, and the bottom rod is in clearance fit with the inverted frustum-shaped through hole; the lower end of the bottom rod is provided with a gasket, and the gasket is fixed through a nut;
and a one-way valve is also arranged in the guiding device.
Furthermore, the bottom of the lower protective cover is provided with an outward flange, and the joint surface between the lower spring seat and the lower protective cover is a cambered surface.
Furthermore, the bottom ring of the inverted circular truncated cone-shaped through hole is a fillet edge.
The check valve comprises a valve core, wherein a circular through hole is formed in the central axis of the base, the valve core is installed in the circular through hole of the base, the upper end of the valve core is cylindrical and is in clearance fit with the circular through hole of the base, the lower end of the valve core is in an inverted circular truncated cone shape, a sealing cover is arranged between the guide sleeve and the base, the circular through hole is formed in the central axis of the sealing cover, the inner diameter of the circular through hole of the sealing cover is between the outer diameters of the upper circumference and the lower circumference of the inverted circular truncated cone shape at the lower end of the valve core, an annular hollow interlayer is arranged between the base and the valve core, the annular hollow interlayer is arranged at the lower end of the circular through.
The check valve comprises a valve core, a circular through hole is formed in the central axis of the base, the valve core is installed in the circular through hole, the circular through hole is divided into an upper section, a middle section and a lower section, the middle section of the circular through hole is an annular hollow interlayer, the inner diameter of the lower section of the circular through hole is larger than that of the upper section, the upper end of the valve core is cylindrical and is in clearance fit with the upper section of the circular through hole, the lower end of the valve core is in an inverted circular truncated cone shape, the outer diameter of the upper circumference of the inverted circular truncated cone shape is equal to that of the upper section of the circular through hole, the outer diameter of the lower circumference of the inverted circular truncated cone shape is.
Furthermore, a sealing gasket is arranged at the joint of the cover plate and the base, and the sealing gasket is a sealing copper sheet.
Furthermore, a sealing gasket is arranged at the joint of the sealing cover and the base, and the sealing gasket is a sealing copper sheet.
Furthermore, the bottom rod is in threaded connection with the adjusting rod and the adjusting rod is in threaded connection with the sealing ball head, and sealing gaskets are arranged between the bottom rod and the adjusting rod and between the adjusting rod and the sealing ball head.
Compared with the prior art, the utility model, firstly, the structure of the utility model is simpler, secondly, the main rod of the utility model is provided with the adjusting rod, the using requirements can be satisfied by changing different adjusting rods according to different using environments, the whole change of the main rod is not needed, the manufacturing cost is saved, and the change is more convenient; thirdly, when the sealing ball head is worn, only the sealing ball head needs to be replaced; fourthly, a novel spring-free technology is adopted for the gas one-way valve in the guide device, the whole service life of the guide device is prolonged, and the maintenance cost is saved.
Drawings
FIG. 1 is a schematic structural view of an argon blowing apparatus according to one aspect of the present disclosure;
FIG. 2 is a schematic view of a guide construction according to an embodiment one aspect of the present disclosure;
FIG. 3 is a schematic view of a guide structure according to a second embodiment of an aspect of the present disclosure;
in the figure: 1-argon blowing device, 101-main rod, 102-upper spring seat, 103-lower spring seat, 104-upper protective cover, 105-lower protective cover, 106-spring, 107-mounting plate, 2-guide device, 201-guide sleeve, 202-base, 108-bottom rod, 109-adjusting rod, 110-sealing ball head, 111-gasket, 112-nut, 113-flanging, 114-inverted truncated cone-shaped through hole, 203-valve core, 204-through hole, 205-sealing cover, 206-sealing copper sheet, 207-annular hollow interlayer, 208-air outlet, 209-cover plate and 210-sealing copper sheet.
Detailed Description
The present invention will be further explained with reference to specific embodiments, but not limited to the present invention, the structures, proportions, sizes, etc. shown in the drawings are only used to match the contents disclosed in the specification, so as to be known and read by the people familiar with the art, and not to limit the practical limit conditions of the present invention, so that the present invention does not have any substantial technical significance, and any modification of the structures, changes of the proportion relation or adjustment of the size should still fall within the range covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Embodiment one, as shown in fig. 1 and 2, the argon blowing device comprises a main rod, an upper spring seat, a lower spring seat, an upper protective cover, a lower protective cover, a spring and a mounting plate, wherein the upper protective cover is installed on the outer side of the upper spring seat, the lower protective cover is installed above the lower spring seat, the mounting plate is arranged below the lower spring seat, the spring is installed between the upper spring seat and the lower spring seat, the upper spring seat, the lower spring seat, the upper protective cover, the lower protective cover and the spring are sequentially and coaxially arranged from top to bottom, the main rod is installed on a central axis of the upper spring seat and the lower spring seat, a guide device is arranged above the argon blowing device and comprises a guide sleeve, a base is arranged above the guide sleeve,
the main rod comprises a bottom rod, an adjusting rod and a sealing ball head, the adjusting rod is movably arranged between the bottom rod and the sealing ball head, the bottom rod is in threaded connection with the adjusting rod, the adjusting rod is in threaded connection with the sealing ball head, and sealing gaskets are arranged between the bottom rod and the adjusting rod as well as between the adjusting rod and the sealing ball head; the central axis of the bottom rod is provided with an inverted frustum-shaped through hole, and the bottom rod is in clearance fit with the inverted frustum-shaped through hole; the lower end of the bottom rod is provided with a gasket, and the gasket is fixed through a nut; the bottom of lower protection casing is equipped with outside turn-ups, and the face of meeting between lower spring holder and the lower protection casing is the cambered surface, the foundation ring of radius frustum shape through-hole is the fillet limit.
The guide device is internally provided with a one-way valve, the one-way valve comprises a valve core, a circular through hole is formed in the central axis of the base, the valve core is installed in the circular through hole of the base, the upper end of the valve core is cylindrical and is in clearance fit with the circular through hole of the base, the lower end of the valve core is in an inverted frustum shape, a sealing cover is arranged between the guide sleeve and the base, a sealing copper sheet is arranged at the joint of the sealing cover and the base, the central axis of the sealing cover is provided with the circular through hole, the inner diameter of the circular through hole of the sealing cover is between the outer diameters of the upper circumference and the lower circumference of the inverted frustum at the lower end of the valve core, an annular hollow interlayer is arranged between the base and the valve core, the annular hollow interlayer is arranged at the lower end of the circular through hole of the base.
In a second embodiment, as shown in fig. 2, on the basis of the first embodiment, the check valve includes a valve core, a circular through hole is formed in a central axis of the base, the valve core is installed in the circular through hole, the circular through hole is divided into an upper section, a middle section and a lower section, a middle section of the circular through hole is an annular hollow interlayer, an inner diameter of a lower section of the circular through hole is larger than an inner diameter of the upper section, an upper end of the valve core is cylindrical and is in clearance fit with the upper section of the circular through hole, a lower end of the valve core is in an inverted circular truncated cone shape, an outer diameter of an upper circumference of the inverted circular truncated cone is equal to the inner diameter of the upper section of the circular through hole, an air outlet is formed in the base, the air outlet is communicated with.
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.
Claims (8)
1. Automatic argon blowing device of regulation formula ladle, including the argon blowing device, the argon blowing device includes mobile jib, last spring holder, lower spring holder, goes up the protection casing, spring, mounting panel down, goes up the protection casing and installs in the outside of last spring holder, and the protection casing is installed in the top of spring holder down, and the below of lower spring holder is equipped with the mounting panel, and the spring mounting is between last spring holder and lower spring holder, goes up the spring holder, lower spring holder, goes up the protection casing, lower protection casing, spring from last downward coaxial arrangement in proper order, and the mobile jib is installed on the axis of last spring holder and lower spring holder, and the top of argon blowing device is equipped with guider, guider includes the uide bushing, and the top of uid:
the main rod comprises a bottom rod, an adjusting rod and a sealing ball head, and the adjusting rod is movably arranged between the bottom rod and the sealing ball head; the central axis of the bottom rod is provided with an inverted frustum-shaped through hole, and the bottom rod is in clearance fit with the inverted frustum-shaped through hole; the lower end of the bottom rod is provided with a gasket, and the gasket is fixed through a nut;
and a one-way valve is also arranged in the guiding device.
2. The adjustable ladle automatic argon blowing device according to claim 1, characterized in that: the bottom of the lower protective cover is provided with an outward flange, and the joint surface between the lower spring seat and the flange of the lower protective cover is a cambered surface.
3. The adjustable ladle automatic argon blowing device according to claim 1, characterized in that: the base ring of the inverted circular truncated cone-shaped through hole is a fillet edge.
4. The adjustable ladle automatic argon blowing device according to claim 1, characterized in that: the check valve comprises a valve core, wherein a circular through hole is formed in the central axis of the base, the valve core is installed in the circular through hole of the base, the upper end of the valve core is cylindrical and is in clearance fit with the circular through hole of the base, the lower end of the valve core is in an inverted circular truncated cone shape, a sealing cover is arranged between the guide sleeve and the base, the circular through hole is formed in the central axis of the sealing cover, the inner diameter of the circular through hole of the sealing cover is between the outer diameters of the upper circumference and the lower circumference of the inverted circular truncated cone shape at the lower end of the valve core, an annular hollow interlayer is arranged between the base and the valve core, the annular hollow interlayer is arranged at the lower end of the circular through.
5. The adjustable ladle automatic argon blowing device according to claim 1, characterized in that: the check valve comprises a valve core, a circular through hole is formed in the central axis of the base, the valve core is installed in the circular through hole, the circular through hole is divided into an upper section, a middle section and a lower section, the middle section of the circular through hole is an annular hollow interlayer, the inner diameter of the lower section of the circular through hole is larger than that of the upper section, the upper end of the valve core is cylindrical and is in clearance fit with the upper section of the circular through hole, the lower end of the valve core is in an inverted circular truncated cone shape, the outer diameter of the upper circumference of the inverted circular truncated cone shape is equal to that of the upper section of the circular through hole, the outer diameter of the lower circumference of the inverted circular truncated cone shape is.
6. The adjustable ladle automatic argon blowing device according to claim 4 or 5, characterized in that: the joint of the cover plate and the base is provided with a sealing gasket, and the sealing gasket is a sealing copper sheet.
7. The adjustable ladle automatic argon blowing device according to claim 4, characterized in that: the joint of the sealing cover and the base is provided with a sealing gasket which is a sealing copper sheet.
8. The adjustable ladle automatic argon blowing device according to claim 1, characterized in that: the bottom rod is in threaded connection with the adjusting rod and the adjusting rod is in threaded connection with the sealing ball head, and sealing gaskets are arranged between the bottom rod and the adjusting rod and between the adjusting rod and the sealing ball head.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433563 | 2019-08-30 | ||
| CN2019214335634 | 2019-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210711623U true CN210711623U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921934253.0U Active CN210711623U (en) | 2019-08-30 | 2019-11-11 | Adjustable automatic argon blowing device for steel ladle |
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| Country | Link |
|---|---|
| CN (1) | CN210711623U (en) |
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2019
- 2019-11-11 CN CN201921934253.0U patent/CN210711623U/en active Active
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