CN210996466U - Ferroalloy feeding chute and ferroalloy feeding device - Google Patents
Ferroalloy feeding chute and ferroalloy feeding device Download PDFInfo
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- CN210996466U CN210996466U CN201921819996.3U CN201921819996U CN210996466U CN 210996466 U CN210996466 U CN 210996466U CN 201921819996 U CN201921819996 U CN 201921819996U CN 210996466 U CN210996466 U CN 210996466U
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Abstract
The utility model relates to a reinforced elephant trunk of ferroalloy, including pipe chute section, standpipe section and air seal device, the air seal device is equipped with the control valve on the air supply line including being used for blowing in the standpipe section with the unit of blowing of isolation spark, with the air supply line of the unit connection of blowing and with the air supply line is connected. And a standby pipe chute can be further arranged at the periphery of the discharging pipe flap of the inclined pipe section, and the standby pipe chute and the discharging pipe flap are arranged in a surrounding manner to form a closed material storage cavity, so that the service life of the charging chute can be prolonged. Still relate to an iron alloy feeding device in addition, including above-mentioned iron alloy charging chute, be equipped with manual feed tank in standpipe section top. The utility model can prevent the spark from going upwards by arranging the air seal device to form the air seal in the vertical pipe section, so that the charging chute is suitable for manual charging, and the injury of the spark from the reverse chute arrangement to the operator can be avoided; and the gas seal device can also effectively inhibit smoke dust generated in the alloying process from going upwards.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, concretely relates to reinforced elephant trunk of ferroalloy and ferroalloy feeding device.
Background
The rotatory elephant trunk of traditional ferroalloy possesses the automatic material conveying function, can rotate to buggy ladle top and reinforced in to the buggy ladle. However, under some special conditions and autonomous selection of some enterprises, manual addition of certain or some component alloys is adopted, so that the problem of inconvenient addition exists, and during manual addition, sparks generated in production can be reversely leaped to a feeding opening through a chute, so that potential safety hazards exist.
In addition, the impact on the pipe wall is large during the blanking of the chute, the pipe wall is easy to wear through, the inclined section of the whole chute needs to be replaced again, and the maintenance intensity of workers is high.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a reinforced elephant trunk of ferroalloy and ferroalloy feeding device can solve prior art's partial defect at least.
The utility model relates to a reinforced elephant trunk of ferroalloy, including the pipe chute section and connect in the standpipe section at pipe chute section top still includes the air seal device, the air seal device including be used for to erect the pipe section in blow the unit with the isolation spark, with the air supply of unit connection of blowing and with the air supply that the air supply is connected, the unit of blowing is located erect in the pipe section, in be equipped with the control valve on the air supply.
As one embodiment, the gas source is a nitrogen gas source.
In one embodiment, the air supply pipeline includes a metal hose and a metal pipe, the metal pipe is connected to the air blowing unit, and the metal hose is connected to the metal pipe and the air source respectively.
In one embodiment, a splash guard is installed at the top end of the vertical pipe section, and the splash guard is installed on one side of the vertical pipe section close to the air supply pipeline.
As one embodiment, the blowing direction of the blowing unit is downward and has an angle with the horizontal direction.
In one embodiment, the inclined tube section comprises a discharging tube flap positioned below the axis of the inclined tube section, a spare tube groove is arranged on the periphery of the discharging tube flap, and the spare tube groove and the discharging tube flap are arranged in a surrounding mode to form a closed material storage cavity.
As one embodiment, at least one partition plate is arranged in the standby pipe groove, and the partition plates divide the storage cavity into a plurality of storage grids which are sequentially arranged along the material flow direction.
As one embodiment, the inner wall of the blanking pipe valve is provided with a lining plate.
The utility model discloses still relate to an iron alloy feeding device, include as above the reinforced elephant trunk of iron alloy, in standpipe section top is equipped with manual feed tank.
As an example, the manual feed tank is welded to the top end of the standpipe section.
The utility model discloses following beneficial effect has at least:
the ferroalloy charging chute and the ferroalloy charging device provided by the utility model can prevent the spark from going upwards by arranging the air seal device to form the air seal in the vertical pipe section, so that the charging chute is suitable for manual charging, and the injury of the spark from the reverse leaping up of the chute to the operator can be avoided; and the gas seal device can also effectively inhibit smoke dust generated in the alloying process from going upwards.
The utility model discloses further following beneficial effect has:
the iron alloy feeding chute provided by the utility model is provided with the spare pipe groove, so that alloy materials can leak into the storage cavity after the blanking pipe segment of the chute section is worn, and the feeding chute can continue to work; when the material storage cavity is filled with materials, the materials form a material lining, and subsequent materials impact the material lining, so that the materials are continuously conveyed in a material beating mode, and the service life of the feeding chute is effectively prolonged. The feeding chute is simple in structure, convenient to manufacture and low in cost, and can remarkably reduce the production running cost and the maintenance cost of enterprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an iron alloy feeding device provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a schematic cross-sectional view of an oblique pipe section provided with a spare pipe groove according to an embodiment of 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, an embodiment of the present invention provides an iron alloy charging chute, including a chute section 12 and a vertical pipe section 11 connected to the top of the chute section 12, the chute is preferably a rotary chute, and can move between a working position and a non-working position, the rotary chute is a conventional structure in the art, in the structure shown in fig. 2, the top of the chute section 12 is sleeved on the bottom of the vertical pipe section 11, the chute section 12 is connected with a rotary driving mechanism 2, so as to rotate relative to the vertical pipe section 11, in one embodiment, the rotary driving mechanism 2 drives a slewing bearing to drive the rotation of the chute section 12 by using a planetary gear motor, and specifically, the expansion is not performed here.
The reinforced elephant trunk that this embodiment provided is preferred to be suitable for manual reinforced, causes the injury for avoiding the spark of backward leaping up from the elephant trunk to operating personnel, as fig. 1 and fig. 2, this reinforced elephant trunk still includes the air seal device, the air seal device including be used for to blow in the vertical pipe section 11 with the unit 31 of blowing of keeping apart the spark, with the air supply line 32 that the unit 31 of blowing is connected and with the air supply line 32 is connected, the unit 31 of blowing locate on the vertical pipe section 11, in be equipped with the control valve on the air supply line 32.
The aeration unit 31 is preferably capable of forming an air seal in the vertical pipe section 11, or preventing the upward movement of sparks by the effect of air pressure in the vertical pipe section 11, and the aeration unit 31 may be one or more nozzles disposed on the vertical pipe section 11, and when there are a plurality of nozzles, it is preferably disposed around the axis of the vertical pipe section 11, for example, uniformly spaced around a horizontal cross section of the vertical pipe section 11.
In a further preferred embodiment, as shown in fig. 2, the blowing unit 31 blows air downward and at an angle with the horizontal direction, i.e. obliquely downward, so that the air sealing effect is good, the upward movement of sparks can be reliably prevented, and the upward movement of smoke generated in the alloying process can be effectively suppressed.
The gas source is preferably inert gas to avoid influence on steel-making production, such as nitrogen, argon and the like; in this embodiment, the gas source is a nitrogen source.
Further optimizing the above structure, the air supply pipeline 32 includes a metal hose 322 and a metal hard pipe 321, the metal hard pipe 321 is connected to the air blowing unit 31, and the metal hose 322 is connected to the metal hard pipe 321 and the air source respectively. The mode of combining the metal hose 322 and the metal hard pipe 321 can avoid damage to the pipe joint caused by vibration of field equipment such as a elephant trunk and the like. Under certain production conditions, the field environment is severe, spark is generated, the metal hose 322 is easy to burn, and a hard ring pipe can be used for replacing the metal hose 322.
In addition, a splash shield (not shown) may be further installed at the top end of the vertical pipe section 11, and the metal hose 322 may be better protected by the splash shield.
Example two
The embodiment of the utility model provides a reinforced elephant trunk of ferroalloy can regard as the structural optimization of the reinforced elephant trunk in the above-mentioned embodiment one.
Referring to fig. 1 and 2, the charging chute comprises a chute section 12 and a vertical pipe section 11 connected to the top of the chute section 12, the chute is preferably a rotary chute and can move between a working position and a non-working position, the rotary chute is a structure conventional in the art, in the structure shown in fig. 2, the top of the chute section 12 is sleeved on the bottom of the vertical pipe section 11, the chute section 12 is connected with a rotary driving mechanism 2 so as to rotate relative to the vertical pipe section 11, and in one embodiment, the rotary driving mechanism 2 adopts a mode that a planetary gear motor drives a slewing bearing to drive the chute section 12 to rotate, and particularly, the chute section 12 is not unfolded here.
As shown in fig. 2 and 3, the chute section 12 includes a discharge pipe flap located below the axis thereof, a spare pipe chute 13 is installed at the periphery of the discharge pipe flap, and the spare pipe chute 13 and the discharge pipe flap enclose to form a closed material storage chamber.
The inclined tube section 12 is generally a cylindrical tube, and can be divided into a half tube flap located above the axis and a half tube flap located below the axis, the half tube flap located below the axis is also the blanking tube flap, and the blanking tube flap is a working part of the inclined tube section 12, which is mainly used for contacting with alloy materials; in another aspect, the blanking pipe segment is a half-segment pipe body where the axis of the inclined pipe segment 12 and the generatrix of the bottom of the inclined pipe segment 12 are located.
The standby pipe groove 13 is a groove body with an open groove top and two closed groove ends, and the open groove top is attached and fixed to the periphery of the blanking pipe flap. The top of the spare pipe groove 13 is preferably capable of covering the wearing part of the blanking pipe flap, for example, the width of the top of the spare pipe groove 13 is approximately the same as the outer diameter of the inclined pipe section 12, and the length of the spare pipe groove 13 is slightly smaller than the length of the inclined pipe section 12.
According to the ferroalloy charging chute provided by the embodiment, through the arrangement of the standby pipe chute 13, when the discharging pipe flap of the inclined pipe section 12 is worn, alloy materials can leak into the material storage cavity, so that the charging chute can continue to work; when the material storage cavity is filled with materials, the materials form a material lining, and subsequent materials impact the material lining, so that the materials are continuously conveyed in a material beating mode, and the service life of the feeding chute is effectively prolonged. The feeding chute is simple in structure, convenient to manufacture and low in cost, and can remarkably reduce the production running cost and the maintenance cost of enterprises.
The spare pipe groove 13 and the inclined pipe section 12 are preferably fixed by welding, but fastening means such as bolt fitting may be applied to this embodiment.
The spare pipe groove 13 may be a rectangular groove, an arc groove, or the like, that is, the radial section thereof is rectangular, semicircular, or the like; preferably semicircular, to reduce the distance between the bottom of the trough and the outer surface of the discharge valve, i.e. to reduce the volume of the storage chamber, thereby reducing the amount of material accumulated, reducing the weight of the feed chute and shortening the formation time of the liner.
Furthermore, the radius of curvature of the radial section of the spare pipe groove 13 is smaller than that of the inclined pipe section 12, so that the spare pipe groove 13 is more fittingly attached to the outer surface of the blanking pipe valve, manufacturing materials can be reduced, and the volume of the storage cavity is reduced.
In one embodiment, as shown in fig. 2, at least one partition plate 131 is disposed in the spare pipe chase 13, and each partition plate 131 divides the storage chamber into a plurality of storage compartments arranged in sequence along the material flow direction. The partition plates 131 are arranged to facilitate the formation of the lining and to dispersedly transmit the impact force applied to the lining to the chute section 12, so that the charging chute is more stable in structure and more reliable in operation.
In the above embodiment of forming the lining, the situation of mixing materials (i.e. the alloy in the lining is different from the alloy to be transported) is easily caused, and when steel with strict requirements on the components is smelted, the quality of the molten steel may be affected; therefore, in another preferred embodiment, the storage chamber is filled with wear-resistant filler, which is preferably a material harmless to the quality of molten steel, such as refractory castable, and can be compactly cast and attached to the standby pipe chute 13, so that the construction is convenient, the mechanical impact can be relatively large, the weight of the blanking chute is relatively light, and the weight of the blanking chute can be reduced. Obviously, after the spare pipe groove 13 is filled and fixed with the wear-resistant filler, it is a better way to fixedly connect the spare pipe groove 13 and the inclined pipe section 12.
Further, the structure provided with the partition plates 131 can be adopted, and the storage grids are filled with the wear-resistant filler respectively, so that the impact resistance of the wear-resistant filler can be improved.
In addition, on the basis of the spare pipe groove 13, a lining plate 121 can be further arranged on the inner wall of the blanking pipe valve, and the lining plate 121 is generally a wear-resistant metal lining plate 121, so that the service life of the feeding chute can be further prolonged.
EXAMPLE III
As shown in fig. 1 and 2, the utility model provides a ferroalloy feeding device, including the ferroalloy feeding chute provided in the first embodiment or the second embodiment, in be equipped with manual feed tank 4 above riser section 11, be convenient for manual feeding. Wherein the manual feed tank 4 is preferably welded to the top end of the vertical pipe section 11.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a reinforced elephant trunk of ferroalloy, includes the chute section and connect in the vertical tube section at chute section top, its characterized in that: the gas seal device comprises a blowing unit, an air supply pipeline and an air source, wherein the blowing unit is used for blowing air in the vertical pipe section to isolate sparks, the air supply pipeline is connected with the blowing unit, the air source is connected with the air supply pipeline, the blowing unit is arranged on the vertical pipe section, and a control valve is arranged on the air supply pipeline.
2. The ferroalloy charging chute of claim 1 wherein: the gas source is a nitrogen source.
3. The ferroalloy charging chute of claim 1 wherein: the air supply pipeline comprises a metal hose and a metal hard pipe, the metal hard pipe is connected with the air blowing unit, and the metal hose is respectively connected with the metal hard pipe and the air source.
4. A ferroalloy charging chute as in claim 1 or 3 wherein: and the top end of the vertical pipe section is provided with a splash-proof plate.
5. The ferroalloy charging chute of claim 1 wherein: the blowing direction of the blowing unit is downward and forms an included angle with the horizontal direction.
6. The ferroalloy charging chute of claim 1 wherein: the inclined tube section comprises a discharging tube flap positioned below the axis of the inclined tube section, a spare tube groove is arranged on the periphery of the discharging tube flap, and the spare tube groove and the discharging tube flap are arranged in a surrounding mode to form a closed material storage cavity.
7. The ferroalloy charging chute of claim 6 wherein: at least one partition plate is arranged in the standby pipe groove, and the storage cavity is divided into a plurality of storage grids which are sequentially arranged along the material flow direction by the partition plates.
8. The ferroalloy charging chute of claim 6 wherein: the inner wall of the blanking pipe valve is provided with a lining plate.
9. The utility model provides a ferroalloy feeding device which characterized in that: comprising a ferroalloy charging chute according to any one of claims 1 to 8, with a manual charging chute above the riser section.
10. A ferroalloy charging apparatus as set forth in claim 9, wherein: the manual feeding groove is welded at the top end of the vertical pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819996.3U CN210996466U (en) | 2019-10-28 | 2019-10-28 | Ferroalloy feeding chute and ferroalloy feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819996.3U CN210996466U (en) | 2019-10-28 | 2019-10-28 | Ferroalloy feeding chute and ferroalloy feeding device |
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| CN210996466U true CN210996466U (en) | 2020-07-14 |
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| CN201921819996.3U Active CN210996466U (en) | 2019-10-28 | 2019-10-28 | Ferroalloy feeding chute and ferroalloy feeding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113930569A (en) * | 2021-10-13 | 2022-01-14 | 四川德胜集团钒钛有限公司 | Method for preventing KR desulfurization overflowing of low-temperature high-sulfur vanadium-titanium molten iron |
| CN115627316A (en) * | 2022-09-30 | 2023-01-20 | 山东钢铁股份有限公司 | Charging and collecting dust-proofing device and method |
-
2019
- 2019-10-28 CN CN201921819996.3U patent/CN210996466U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113930569A (en) * | 2021-10-13 | 2022-01-14 | 四川德胜集团钒钛有限公司 | Method for preventing KR desulfurization overflowing of low-temperature high-sulfur vanadium-titanium molten iron |
| CN113930569B (en) * | 2021-10-13 | 2023-01-24 | 四川德胜集团钒钛有限公司 | Method for preventing KR desulfurization overflowing of low-temperature high-sulfur vanadium-titanium molten iron |
| CN115627316A (en) * | 2022-09-30 | 2023-01-20 | 山东钢铁股份有限公司 | Charging and collecting dust-proofing device and method |
| CN115627316B (en) * | 2022-09-30 | 2024-01-02 | 山东钢铁股份有限公司 | Dust-proof device and method for feeding and summarizing |
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