CN210334347U - Can high-efficient argon gas that blows just have stopper stick of getting rid of wadding and flowing function - Google Patents
Can high-efficient argon gas that blows just have stopper stick of getting rid of wadding and flowing function Download PDFInfo
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- CN210334347U CN210334347U CN201821351148.XU CN201821351148U CN210334347U CN 210334347 U CN210334347 U CN 210334347U CN 201821351148 U CN201821351148 U CN 201821351148U CN 210334347 U CN210334347 U CN 210334347U
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Abstract
The utility model discloses a can high-efficiently blow argon gas and have stopper stick of getting rid of wadding and flowing function, including silk piece and ventilative material, the silk piece is installed on the lateral wall of inner chamber, and the inner chamber setting is in the inside of barrel to be fixed with the funnel pipe in the inner chamber, the bottom of funnel pipe and the top interconnect of through-hole awl, and the through-hole awl is installed in the stick head, and the stick head sets up the bottom at the barrel, ventilative material sets up the inside at the stick head to ventilative material and the bottom interconnect of through-hole awl. This can high-efficiently blow argon gas and have stopper stick of getting rid of wadding and flowing function, adopt the fine solution of neotype structural design to blow argon type stopper stick and the easy problem that appears of dispersion type stopper stick to can be more thoroughly and stable carry out the operation of wadding flow thing detach, ensure to water the steel process and go on more smoothly, and make the stopper stick not influenced by argon gas pressure change when blowing argon gas, the argon gas that blows off is even stable, feasible crystallizer liquid level in whole casting process is steady not undulant.
Description
Technical Field
The utility model relates to a steel continuous casting equipment technical field specifically is a can high-efficiently blow argon gas and have the stopper stick of getting rid of wadding and flowing the function.
Background
In the continuous casting process, a plurality of devices and devices are used, a stopper rod is a refractory material rod, the stopper rod is a device which is arranged in a steel containing barrel and controls the opening and closing of a water gap and the flow of molten steel by lifting displacement, and the stopper rod is an essential important device in the production process of cast steel.
With the continuous development of the steel casting industry, the use frequency of the stopper rod also greatly increases, but in the process of using the traditional stopper rod, the discovery shows that once floc flow is gathered in a rod head, a tundish upper nozzle bowl and an integral submerged nozzle bowl or an inner cavity when the traditional stopper rod is used, the normal flow control effect and the molten steel passing amount are seriously influenced, so that the casting blank pulling speed cannot be matched with the corresponding technical parameters, the normal production rhythm is influenced, various quality problems of the casting blank are induced, meanwhile, the service life of a single casting time is also reduced, the production cost is increased, and the structure of the traditional stopper rod needs to be improved aiming at the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can high-efficiently blow argon gas and have the stopper stick of getting rid of wadding and flowing the function to propose in solving above-mentioned background art and can't clear away the wadding and flow the thing, easily arouse the liquid level to roll up the sediment and influence the casting blank quality, reduce the problem of single increase in production cost of watering life-span.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can high-efficiently blow argon gas and have stopper stick of getting rid of wadding and flowing function, includes silk piece and ventilative material, the silk piece is installed on the lateral wall of inner chamber, and the inner chamber setting is in the inside of barrel to be fixed with the funnel pipe in the inner chamber, the bottom of funnel pipe and the top interconnect of through-hole awl, and the through-hole awl is installed in the stick head, and the stick head sets up the bottom at the barrel, ventilative material sets up the inside at the stick head to ventilative material and the bottom interconnect of through-hole awl.
Preferably, the distance between the top end of the funnel catheter and the wire block is 100 mm, and 2 wire blocks are symmetrically distributed on the side wall of the inner cavity.
Preferably, the through-hole awl is divided into a concave head part and a convex head part, and the concave head part of the through-hole awl is connected with the bottom end of the funnel catheter.
Preferably, the center of a circle with the center of the club head is the center, the longitudinal direction of the center of the club head is the symmetry axis, and the range of 5 degrees to 30 degrees is the area of the breathable material filled in the club head.
Preferably, the material of the breathable material comprises, by weight, 60% -80% of magnesia-alumina spinel, 6% -20% of graphite, 5% -15% of sawdust, 1% -2% of light-burned alumina A powder, 1% -5% of an additive and 5% -15% of a binder, wherein the additive comprises metal silicon powder, the binder comprises thermosetting phenolic resin and liquid resin, the carbon residue rate of the phenolic resin is more than or equal to 40%, and the solid content is more than or equal to 60%.
Preferably, the top of the air-permeable material is nested at the bottom end of the through hole awl, and the front section of the air-permeable material is fan-shaped.
Compared with the prior art, the beneficial effects of the utility model are that: the stopper rod capable of blowing argon efficiently and having the function of removing flocculated flow adopts a novel structural design to well solve the problem that argon blowing type stopper rods and dispersion type stopper rods are easy to appear, and can remove flocculated flow more thoroughly and stably, so that the steel casting process is more smoothly carried out;
and make the stopper stick not influenced by argon pressure change when blowing argon gas, the argon gas that blows out is even stable for crystallizer liquid level is steady not undulant in whole casting process, and the use of funnel pipe can also directly keep apart the lower argon gas of temperature when the severe cold winter on the basis of guaranteeing the argon pressure is stable, does not contact with the stopper stick, has avoided producing the thermal shock crackle because of the stopper stick that the high temperature difference arouses.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of a stick body according to the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the utility model at the front view of the thread block;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. silk blocks; 2. a funnel catheter; 3. a barrel; 4. an inner cavity; 5. a through hole awl; 6. a rod head; 7. and (4) a gas permeable material.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can high-efficiently blow argon gas and have stopper stick of getting rid of wadding and flow function, including silk piece 1, funnel pipe 2, barrel 3, inner chamber 4, through-hole awl 5, stick head 6 and ventilative material 7, silk piece 1 is installed on the lateral wall of inner chamber 4, and inner chamber 4 sets up the inside at barrel 3, and be fixed with funnel pipe 2 in the inner chamber 4, the bottom of funnel pipe 2 and the top interconnect of through-hole awl 5, and through-hole awl 5 installs in stick head 6, and stick head 6 sets up the bottom at barrel 3, ventilative material 7 sets up the inside at stick head 6, and ventilative material 7 and the bottom interconnect of through-hole awl 5.
In the embodiment, the distance between the top end of the funnel catheter 2 and the wire block 1 is 100 mm, 2 wire blocks 1 are symmetrically distributed on the side wall of the inner cavity 4, and the funnel catheter 2 can isolate argon from the rod body 3 due to the structural design;
the through-hole awl 5 is divided into a concave head part and a convex head part, the concave head part of the through-hole awl 5 is connected with the bottom end of the funnel conduit 2, and the structural design of the through-hole awl 5 enables argon gas transmitted through the funnel conduit 2 to be intensively transmitted into the breathable material 7;
the center of a circle where the center of the rod head 6 is located is the center, the longitudinal direction of the center of the rod head 6 is taken as a symmetry axis, and the range of 5 degrees to 30 degrees is the area of the breathable material 7 filled in the rod head 6, and the breathable material 7 can play a role in stabilizing the argon flow due to the structural design;
the material of the gas permeable material 7 comprises, by weight, 60% -80% of magnesia-alumina spinel, 6% -20% of graphite, 5% -15% of sawdust, 1% -2% of light-burned alumina A powder, 1% -5% of an additive and 5% -15% of a bonding agent, wherein the additive comprises metal silicon powder, the bonding agent comprises thermosetting phenolic resin and liquid resin, the residual carbon rate of the phenolic resin is more than or equal to 40%, the solid content is more than or equal to 60%, and the gas permeable material 7 can ensure proper apparent porosity and can resist sufficient temperature due to the components of the gas permeable material 7;
the top of the air permeable material 7 is nested at the bottom end of the through hole awl 5, the front view section of the air permeable material 7 is fan-shaped, and the through hole awl 5 and the air permeable material 7 are matched for use through the structural design, so that the continuous and stable discharge of argon can be guaranteed.
The working principle is as follows: when the device is used, an external argon pipe is connected with the top end of a rod body 3, argon enters an inner cavity 4 arranged in the rod body 3 through the external argon pipe and is discharged through the bottom end of a funnel conduit 2 which is 100 mm below a wire block 1 to enter a through hole awl 5, then the argon is conveyed into a gas permeable material 7 through a raised head structure at the bottom end of the through hole awl 5, and the argon is finally stably discharged from a rod head 6, so that the flocculation flow removing effect of the argon in the inner cavity 4 and the rod head 6 is more efficient and thorough, meanwhile, when the device integrally blows out the argon through the gas permeable material 7, the device can not be influenced by the change of the argon pressure, the blown-out argon is uniform and stable, the argon passing through the gas permeable material 7 cannot cause the fluctuation of the liquid level of a crystallizer, the slag is rolled on the liquid level, the quality of a casting blank is influenced, the liquid level of the crystallizer in the whole casting process is stable and free of fluctuation, and the funnel conduit 2 isolates the argon from, on the basis of ensuring the stable pressure of the argon gas, the argon gas with lower temperature can be directly isolated in winter and is not contacted with the rod body 3, so that thermal shock cracks of the rod body 3 caused by high temperature difference are avoided.
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 (5)
1. The utility model provides a can blow argon gas high-efficiently and have stopper stick of getting rid of wadding and flow the function, includes silk piece (1) and ventilative material (7), its characterized in that: silk piece (1) is installed on the lateral wall of inner chamber (4), and inner chamber (4) set up the inside at barrel (3) to be fixed with funnel pipe (2) in inner chamber (4), the bottom of funnel pipe (2) and the top interconnect of through-hole awl (5), and through-hole awl (5) are installed in stick head (6), and stick head (6) set up the bottom in barrel (3), ventilative material (7) set up the inside at stick head (6), and ventilative material (7) and the bottom interconnect of through-hole awl (5).
2. The stopper rod capable of blowing argon gas with high efficiency and removing floc flow according to claim 1, wherein: the distance between the top end of the funnel catheter (2) and the wire block (1) is 100 mm, and 2 wire blocks (1) are symmetrically distributed on the side wall of the inner cavity (4).
3. The stopper rod capable of blowing argon gas with high efficiency and removing floc flow according to claim 1, wherein: the through hole awl (5) is divided into a concave head part and a convex head part, and the concave head part of the through hole awl (5) is connected with the bottom end of the funnel catheter (2).
4. The stopper rod capable of blowing argon gas with high efficiency and removing floc flow according to claim 1, wherein: the center of a circle with the center of the club head (6) is the center, the longitudinal direction of the center of the club head (6) is taken as a symmetry axis, and the range of 5 degrees to 30 degrees is the area of the air permeable material (7) filled in the club head (6).
5. The stopper rod capable of blowing argon gas with high efficiency and removing floc flow according to claim 1, wherein: the top of the air permeable material (7) is nested at the bottom end of the through hole awl (5), and the front section of the air permeable material (7) is fan-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351148.XU CN210334347U (en) | 2018-08-21 | 2018-08-21 | Can high-efficient argon gas that blows just have stopper stick of getting rid of wadding and flowing function |
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| CN201821351148.XU CN210334347U (en) | 2018-08-21 | 2018-08-21 | Can high-efficient argon gas that blows just have stopper stick of getting rid of wadding and flowing function |
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| CN210334347U true CN210334347U (en) | 2020-04-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607980A (en) * | 2018-08-21 | 2018-10-02 | 北京利尔高温材料股份有限公司 | It is a kind of can efficiently blowing argon gas and with removal wadding stream function stopper |
| CN111906289A (en) * | 2020-08-27 | 2020-11-10 | 北京利尔高温材料股份有限公司 | Argon blowing stopper rod and manufacturing method thereof |
-
2018
- 2018-08-21 CN CN201821351148.XU patent/CN210334347U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607980A (en) * | 2018-08-21 | 2018-10-02 | 北京利尔高温材料股份有限公司 | It is a kind of can efficiently blowing argon gas and with removal wadding stream function stopper |
| CN108607980B (en) * | 2018-08-21 | 2024-07-26 | 日照利尔高温新材料有限公司 | Stopper rod capable of blowing argon efficiently and having flocculation removal function |
| CN111906289A (en) * | 2020-08-27 | 2020-11-10 | 北京利尔高温材料股份有限公司 | Argon blowing stopper rod and manufacturing method thereof |
| CN111906289B (en) * | 2020-08-27 | 2022-04-12 | 日照利尔高温新材料有限公司 | Argon blowing stopper rod and manufacturing method thereof |
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