CN204294913U - A kind of protection tube - Google Patents
A kind of protection tube Download PDFInfo
- Publication number
- CN204294913U CN204294913U CN201420732789.5U CN201420732789U CN204294913U CN 204294913 U CN204294913 U CN 204294913U CN 201420732789 U CN201420732789 U CN 201420732789U CN 204294913 U CN204294913 U CN 204294913U
- Authority
- CN
- China
- Prior art keywords
- protection tube
- continuous casting
- anchor ring
- river
- lower mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model embodiment discloses a kind of protection tube; described protection tube has first end and the second end; described first end is connected to the lower mouth of a river of the large bag of continuous casting; the internal diameter of described first end is from big to small tubaeform from outside to inside; described second end is connected to the water inlet wrapped in continuous casting; it is characterized in that; described first end also has an anchor ring; described anchor ring is connected to the bottom of described flared structure; and the external diameter of described anchor ring is greater than the external diameter at the described lower mouth of a river, and internal diameter is less than described flaring minimum diameter.
Description
Technical field
The utility model relates to field of metallurgy, particularly relates to a kind of protection tube.
Background technology
Continuous casting is that continuous casting steel machine is (English: abbreviation Continuous Steel Casting), can increase substantially recovery rate of iron and slab quality with it, the significant advantages such as economize energy are produced in the process of all kinds of steel products in steel plant and are widely used.
In continuous casting production process; molten steel can be flowed in continuous casting by the delivery port protection tube of the large bag of continuous casting and wrap; please refer to Fig. 1; Fig. 1 is the schematic diagram of protection tube of the prior art; as shown in Figure 1; the upper end (one end be connected with the delivery port of the large bag of continuous casting) of this protection tube is back taper; its supporting fibre packing is also corresponding back taper; in use; the gap of wrapping greatly the lower mouth of a river and protection tube junction carried out sealing and Argon by fibre packing, thus prevent air to be inhaled into and steel contacts and cause the secondary oxidation of molten steel.
Change in packet procedures at casting process, the delivery port of large for continuous casting bag and the upper end of protection tube is needed to carry out centering exactly, to ensure airtight quality, but the delivery port due to the large bag of continuous casting is taper, the upper end of protection tube is back taper, simultaneously because the error problem of performance accuracy causes the upper end of the delivery port of the large bag of continuous casting and protection tube always to there is certain deviation in centering process, even if this deviation is in the scope be normally allowed to, also exist and cause sealing fiber mat to be worn even by the hidden danger crushed, and then air can be caused to be inhaled into the secondary oxidation causing molten steel with steel contacts, affect enterprise to produce.
Therefore, there is protection tube easily causes the secondary oxidation of molten steel technical problem because sealing property there is hidden danger in prior art.
Utility model content
The utility model embodiment, by providing a kind of protection tube, easily to cause the technical problem of the secondary oxidation of molten steel because sealing property there is hidden danger in order to solve the protection tube that exists in prior art.
The utility model embodiment first aspect provides a kind of protection tube; described protection tube has first end and the second end; described first end is connected to the lower mouth of a river of the large bag of continuous casting; the internal diameter of described first end is from big to small tubaeform from outside to inside; described second end is connected to the water inlet wrapped in continuous casting; it is characterized in that; described first end also has an anchor ring; described anchor ring is connected to the bottom of described flared structure; and the external diameter of described anchor ring is greater than the external diameter at the described lower mouth of a river, and internal diameter is less than described flaring minimum diameter.
Alternatively, described protection tube comprises the liner with refractory properties by described anchor ring to the part of described second end.
Alternatively, described liner is made up of alumina-carbon material or quartz material.
Alternatively, the outer wall of described first end has gas thread.
Alternatively, the outer wall of described protection tube has ceramic fiber layer.
The one or more technical schemes provided in the utility model embodiment, at least have following technique effect or advantage:
Because the first end of protection tube has anchor ring, and the external diameter of anchor ring is greater than the external diameter at the lower mouth of a river, and internal diameter is less than flaring minimum diameter, so when centering is carried out at the lower mouth of a river of the large bag of continuous casting and first end, the lower mouth of a river meeting of the large bag of continuous casting and annular face contacts, the face of lower mouth of a river contact is a plane of anchor ring, uniform force, and sealing effectiveness is better; Simultaneously; even if when the fibre packing of the tubaeform end of protection tube first end is worn due to the die misalignment of the large bag of continuous casting or is crushed; the sealing at anchor ring place can stop air to be inhaled into for the second time; further increase and by continuous casting large bag, the protection of wrapping in continuous casting is entered to molten steel, avoid molten steel and entered in the process of wrapping in continuous casting wasting of resources secondary oxidation occurring and brings by the large bag of continuous casting.
Accompanying drawing explanation
Fig. 1 is the structural representation of protection tube in prior art;
The structural representation of the protection tube that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
The utility model embodiment, by providing a kind of protection tube, easily to cause the technical problem of the secondary oxidation of molten steel because sealing property there is hidden danger in order to solve the protection tube that exists in prior art.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Please refer to Fig. 2, Fig. 2 is the structural representation of the protection tube that the utility model embodiment provides, as shown in Figure 2, this protection tube has first end 201 and the second end 202, wherein, first end 201 is connected to the lower mouth of a river of the large bag of continuous casting, the internal diameter of this first end 201 is from big to small tubaeform from outside to inside, second end is connected to the water inlet wrapped in continuous casting, first end 201 also has an anchor ring 2011, anchor ring 2011 is connected to the bottom of flared structure, and the external diameter of anchor ring is greater than the external diameter at the lower mouth of a river, thus the plane that the lower mouth of a river contacts can be provided, and, as shown in Figure 2, the internal diameter of anchor ring 2011 is less than flaring minimum diameter.
Can find out, first end due to protection tube has anchor ring 2011, and the external diameter of anchor ring is greater than the external diameter at the lower mouth of a river, and internal diameter is less than flaring minimum diameter, so when centering is carried out at the lower mouth of a river of the large bag of continuous casting and first end, the lower mouth of a river of the large bag of continuous casting can contact with anchor ring 2011, and the face of lower mouth of a river contact is a plane of anchor ring 2011, uniform force, sealing effectiveness is better; Simultaneously; even if when the fibre packing of the tubaeform end of protection tube first end is worn due to the die misalignment of the large bag of continuous casting or is crushed; the sealing at anchor ring 2011 place can stop air to be inhaled into for the second time; further increase and by continuous casting large bag, the protection of wrapping in continuous casting is entered to molten steel, avoid molten steel and entered in the process of wrapping in continuous casting wasting of resources secondary oxidation occurring and brings by the large bag of continuous casting.
In specific implementation process; please continue to refer to Fig. 2; protection tube is comprised the liner 203 with refractory properties by the part of anchor ring to the second end; thus avoid molten steel to cause damage to protection tube when flowing through protection tube; in actual applications, the liner 203 of protection tube can be made up of alumina-carbon material or quartz material.
In specific implementation process, please continue to refer to Fig. 2, the outer wall of first end has gas thread 204, and protection tube can be linked together with the lower mouth of a river of the large bag of continuous casting.
In specific implementation process, please continue to refer to Fig. 2, the outer wall of protection tube has ceramic fiber layer 205, and in actual applications, ceramic fiber layer 205 can be covered with the whole outer wall of protection tube, does not limit at this.
In the present embodiment; the concrete size of protection tube various piece and proportionate relationship are not limited; by the introduction of the present embodiment; technical staff belonging to this area can according to actual conditions; the size of protection tube various piece is set to suitable numerical value; to meet the needs of actual conditions, just repeat no more at this.
Technical scheme in above-mentioned the utility model embodiment, at least has following technique effect or advantage:
Because the first end of protection tube has anchor ring, and the external diameter of anchor ring is greater than the external diameter at the lower mouth of a river, and internal diameter is less than flaring minimum diameter, so when centering is carried out at the lower mouth of a river of the large bag of continuous casting and first end, the lower mouth of a river meeting of the large bag of continuous casting and annular face contacts, the face of lower mouth of a river contact is a plane of anchor ring, uniform force, and sealing effectiveness is better; Simultaneously; even if when the fibre packing of the tubaeform end of protection tube first end is worn due to the die misalignment of the large bag of continuous casting or is crushed; the sealing at anchor ring place can stop air to be inhaled into for the second time; further increase and by continuous casting large bag, the protection of wrapping in continuous casting is entered to molten steel, avoid molten steel and entered in the process of wrapping in continuous casting wasting of resources secondary oxidation occurring and brings by the large bag of continuous casting.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a protection tube; described protection tube has first end and the second end; described first end is connected to the lower mouth of a river of the large bag of continuous casting; the internal diameter of described first end is from big to small tubaeform from outside to inside, and described second end is connected to the water inlet wrapped in continuous casting, it is characterized in that; described first end also has an anchor ring; described anchor ring is connected to the bottom of described flared structure, and the external diameter of described anchor ring is greater than the external diameter at the described lower mouth of a river, and internal diameter is less than described flaring minimum diameter.
2. protection tube as claimed in claim 1, is characterized in that, described protection tube comprises the liner with refractory properties by described anchor ring to the part of described second end.
3. protection tube as claimed in claim 2, it is characterized in that, described liner is made up of alumina-carbon material or quartz material.
4. protection tube as claimed in claim 1, it is characterized in that, the outer wall of described first end has gas thread.
5. protection tube as claimed in claim 1, it is characterized in that, the outer wall of described protection tube has ceramic fiber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732789.5U CN204294913U (en) | 2014-11-27 | 2014-11-27 | A kind of protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732789.5U CN204294913U (en) | 2014-11-27 | 2014-11-27 | A kind of protection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204294913U true CN204294913U (en) | 2015-04-29 |
Family
ID=53100494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732789.5U Expired - Fee Related CN204294913U (en) | 2014-11-27 | 2014-11-27 | A kind of protection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204294913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397079A (en) * | 2015-10-19 | 2016-03-16 | 山东钢铁股份有限公司 | Pouring stream protecting device for pouring molten steel through large ladle in continuous casting |
-
2014
- 2014-11-27 CN CN201420732789.5U patent/CN204294913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397079A (en) * | 2015-10-19 | 2016-03-16 | 山东钢铁股份有限公司 | Pouring stream protecting device for pouring molten steel through large ladle in continuous casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204294913U (en) | A kind of protection tube | |
| CN204294888U (en) | A kind of sealing gasket | |
| CN202571248U (en) | Pouring gate insulation sleeve for low pressure casting | |
| CN203265537U (en) | High-temperature alloy bend investment casting mold | |
| CN204975315U (en) | Die casting the argon protection pours into a mould device | |
| CN201567347U (en) | Split-type steel-leakage preventing ladle ventilating seat brick | |
| CN204325284U (en) | A kind of vapourizing furnace special alloy overflow type slag bath | |
| CN204474791U (en) | A kind of argon gas fills constant-current stabilizer | |
| CN209318744U (en) | A kind of funnel device suitable for light section casting | |
| CN204665917U (en) | A kind of novel white fused alumina production body of heater | |
| CN206966612U (en) | A kind of conical sleeve for protecting ceramic lift tube | |
| CN104561448A (en) | Anti-seepage smelting steel ladle | |
| CN201907182U (en) | Sprue bushing for preventing gelatin silk drawing at water gap | |
| CN204817963U (en) | Dysmorphism protective case with function of bleeding | |
| CN207147209U (en) | A kind of oxygen-enriched concentrated combustion device of furnace cupola | |
| CN204608051U (en) | With the cinder ladle of dismantled and assembled guiding device | |
| CN202116420U (en) | Molten glass sealing gasket | |
| CN204825010U (en) | Aluminium liquid degasification system | |
| CN201688038U (en) | Stainless steel composite tube | |
| CN204724848U (en) | Diffusion-type ladle long nozzle device | |
| CN102139851A (en) | Novel additive adding process | |
| CN106641587A (en) | Steel-in-steel directly buried steam heat insulating pipe | |
| CN203582516U (en) | Chloride leading tube structure of molten salt chlorination furnace | |
| CN202239614U (en) | Upper nozzle of pouring basket for preventing molten steel from leakage | |
| CN203470214U (en) | Combined orifice plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20191127 |