CN203804212U - Steel ladle water supplying nozzle brick repairing device - Google Patents

Steel ladle water supplying nozzle brick repairing device Download PDF

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Publication number
CN203804212U
CN203804212U CN201420191272.XU CN201420191272U CN203804212U CN 203804212 U CN203804212 U CN 203804212U CN 201420191272 U CN201420191272 U CN 201420191272U CN 203804212 U CN203804212 U CN 203804212U
Authority
CN
China
Prior art keywords
brick
upper nozzle
sleeve
nozzle brick
diameter
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
Application number
CN201420191272.XU
Other languages
Chinese (zh)
Inventor
沈明科
何波
方斌祥
吴斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zili High Temperature Technology Co ltd
Original Assignee
ZHEJIANG ZILI CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG ZILI CO Ltd filed Critical ZHEJIANG ZILI CO Ltd
Priority to CN201420191272.XU priority Critical patent/CN203804212U/en
Application granted granted Critical
Publication of CN203804212U publication Critical patent/CN203804212U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a steel ladle water supplying nozzle brick repairing device. The steel ladle water supplying nozzle brick repairing device comprises a fixing piece, a sleeve brick and corundum fire clay. The fixing piece comprises a base, an inner film and a spigot shaft. The base is in a disc shape, and the center of the base is provided with a positioning hole. The inner film is in a hollow cylinder shape, the inner film and the base are fixed, the axis of the inner film coincides with the axis of the positioning hole, and the external diameter of the inner film is larger than the diameter of the positioning hole. The spigot shaft is in a cylinder shape, the diameter of the spigot shaft is equal to the diameter of the positioning hole, and the spigot shaft penetrates through the inner film and the positioning hole to be fixed to the base. The sleeve brick is in a hollow cylinder shape, the upper portion of the outer side wall of the sleeve brick is provided with a guiding plane, the material and the production technology of the sleeve brick are the same as those of a normal steel ladle water supplying nozzle brick, the internal diameter of the sleeve brick is not smaller than the external diameter of the inner film, the external diameter of the sleeve brick is not larger than the bottom internal diameter of the steel ladle water supplying nozzle brick, the height of the sleeve brick is smaller than that of the inner film, and the sleeve brick coaxially penetrates through the spigot shaft and the inner film to be fixed to the base. The corundum fire clay wraps the side wall of the sleeve brick and the outer side wall, exposed out of the sleeve, of the inner film.

Description

Ladle upper nozzle brick repair apparatus
Technical field
The utility model relates to steel-making continuous casting field, and is particularly related to a kind of ladle upper nozzle brick repair apparatus.
Background technology
Ladle is in operation process, and molten steel is from ladle to continuous casting, and molten steel is to flow to tundish through upper nozzle brick in ladle.Ladle upper nozzle brick in use internal diameter can produce reaming phenomenon, and when certain value is expanded in filling pipe end internal diameter aperture to, upper nozzle brick must be changed.
During replacing, must under ladle red heat state, carry out, ladle, under red heat state, is got upper nozzle brick, and then cleaning upper nozzle brick, the last upper nozzle brick of installation code again.Renewal process is complex procedures not only, and labour intensity is larger, and whole upper saliva brick all will change, and upper nozzle brick consumption is large.
Utility model content
The problem that cost consumption is large and labour intensity is large that the utility model brings because service life is low in order to overcome existing upper nozzle brick, provides a kind of ladle upper nozzle brick repair apparatus.
To achieve these goals, the utility model provides a kind of ladle upper nozzle brick repair apparatus, comprises fixture, sleeve brick and corundum chamotte.Wherein fixture comprises base, inner membrance, centration axis.Base is in the form of annular discs, and the center of base has a locating hole.Inner membrance is hollow columnar, fixes with base, and the axis of inner membrance and the axis of locating hole coincide, and the external diameter of internal mold is greater than the diameter of locating hole.Centration axis is column, and the diameter of centration axis equals the diameter of locating hole, and centration axis is fixed on base through internal mold and locating hole.Sleeve brick is hollow columnar, the top of sleeve brick lateral wall has a spigot surface, the material of sleeve brick and production technology are all identical with normal ladle upper nozzle brick, and the internal diameter of sleeve brick is not less than the external diameter of internal mold, the external diameter of sleeve brick is not more than the bottom internal diameter of saliva brick on ladle, and the height of sleeve brick is less than the height of inner membrance, sleeve brick coaxially passes centration axis and inner membrance and is fixed on base.The sidewall and the lateral wall that is exposed to the inner membrance outside sleeve brick of corundum chamotte parcel sleeve brick.
In the utility model one embodiment, sleeve brick internal diameter equals internal mold external diameter, and equals the internal diameter at upper nozzle brick top.
In the utility model one embodiment, the sidewall thickness of sleeve brick is 15 millimeters~20 millimeters.
In the utility model one embodiment, the angle between spigot surface and inner membrance axis is 3 degree~15 degree.
In the utility model one embodiment, the length of centration axis is greater than the height of upper nozzle brick.
In the utility model one embodiment, the external diameter of base is greater than sleeve brick bottom external diameter, is less than the bottom external diameter of ladle upper nozzle brick.
In the utility model one embodiment, utilize saliva brick on the ladle that described ladle upper nozzle brick repair apparatus repairs, its internal diameter increases from the top to the bottom gradually.
In the utility model one embodiment, utilize the bottom internal diameter of saliva brick on the ladle that described ladle upper nozzle brick repair apparatus repairs larger more than 20 millimeters than standard upper nozzle brick internal diameter.
In sum, the ladle upper nozzle brick repair apparatus that the utility model provides, compared with prior art there is following beneficial effect: the fixture and the sleeve brick that by setting, comprise base, internal mold and centration axis, sleeve brick is set in the lateral wall of internal mold, and fixture plays to sleeve brick the fixing effect of supporting.At the sidewall of sleeve brick and be exposed on the lateral wall of the inner membrance outside sleeve brick and smear corundum chamotte, the bottom of after having smeared, sleeve brick being inserted in to the upper nozzle brick that reaming occurs, diminishes the bottom internal diameter of upper nozzle brick, thereby can continue to use.Upper nozzle brick after utilizing this ladle upper nozzle repair apparatus to reaming is repaired, and without removing whole upper nozzle brick, thereby increases the service life of having gone up nozzle brick, has also just reduced the use cost of upper nozzle brick and replacing person's working strength accordingly.Further, because sleeve brick material is identical with normal upper nozzle brick with production technology, serviceability is also close, thereby the upper nozzle brick increasing after sleeve brick can normally move.
In addition, because the internal diameter of sleeve brick equals the top internal diameter that adventitia internal diameter also equals upper nozzle brick, the upper nozzle brick after increasing sleeve brick, its top internal diameter and bottom internal diameter will equate, its whole internal structure is close with original state, has greatly increased the service life of upper nozzle brick.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the cross-sectional view of the ladle upper nozzle brick of standard.
Figure 2 shows that the cross-sectional view of the ladle upper nozzle repair apparatus that the utility model one embodiment provides.
Figure 3 shows that the ladle upper nozzle repair apparatus shown in Fig. 1 is applied to the cross-sectional view of the ladle upper nozzle brick after reaming.
The specific embodiment
Figure 1 shows that the cross-sectional view of the ladle upper nozzle brick of standard.Figure 2 shows that the cross-sectional view of the ladle upper nozzle repair apparatus that the utility model one embodiment provides.Figure 3 shows that the ladle upper nozzle repair apparatus shown in Fig. 1 is applied to the cross-sectional view of the ladle upper nozzle brick after reaming.See also Fig. 1 to Fig. 3.
The ladle upper nozzle brick repair apparatus that the utility model provides, comprises fixture 1, sleeve brick 2 and corundum chamotte 3.Wherein fixture 1 comprises base 11, inner membrance 12, centration axis 13.Base 11 is in the form of annular discs, and base 11 center has a locating hole 111.Inner membrance 12 is hollow columnar, and fixing with base 11, the axis of the axis of inner membrance 12 and locating hole 111 coincides, and the external diameter of internal mold 12 is greater than the diameter of locating hole 111.Centration axis 13 is column, and the diameter of centration axis 13 equals the diameter of locating hole 111, and centration axis 13 is fixed on base 11 through internal mold 12 and locating hole 111.Sleeve brick 2 is hollow columnar, and the top of sleeve brick 2 lateral walls has a spigot surface 21.The material of sleeve brick 2 and production technology are all identical with normal ladle upper nozzle brick 4, and the internal diameter of sleeve brick 2 is not less than the external diameter of internal mold 12, and the external diameter of sleeve brick 2 is not more than the bottom external diameter of saliva brick 4 on ladle.And the height of sleeve brick 2 is less than the height of inner membrance 12, sleeve brick 2 is coaxial to be passed centration axis 13 and inner membrance 12 and is fixed on base 11.The sidewall and the lateral wall that is exposed to the inner membrance 12 outside sleeve brick 2 of corundum chamotte 3 parcel sleeve bricks 2.
On the ladle below the present embodiment being provided, the specific works principle of saliva brick repair apparatus is described in further detail: as shown in Figure 1, the ladle upper nozzle brick 4 of standard, its top internal diameter equates with bottom internal diameter.Yet along with the lengthening of service time, there is reaming phenomenon in the bottom of upper nozzle brick 4, this will have a strong impact on use, existing way is that whole upper nozzle brick 4 is changed, and not only changes complex procedures, and whole upper nozzle brick 4 replace the use cost that has greatly strengthened upper nozzle brick.
On the ladle that the present embodiment provides there is reaming at upper nozzle brick 4 in saliva brick repair apparatus, and especially bottom internal diameter is than top internal diameter large 20 millimeters when above, first, sleeve brick 2 is coaxially inserted in to fixture 1.Then at the sidewall of sleeve brick 2 and be exposed on the lateral wall of the inner membrance 12 outside sleeve brick 2 and smear corundum chamotte 3, after having smeared, sleeve brick 2 is inserted in to the bottom of the upper nozzle brick 4 that reaming occurs.Finally by fixture 1 demoulding, thereby the bottom internal diameter of upper nozzle brick 4 is diminished, can continue to use.In the present embodiment, sleeve brick 2 internal diameters equal internal mold 12 external diameters, and equal the internal diameter at upper nozzle brick 4 tops.And according to the reaming angle of upper nozzle brick 4, the height of inner membrance 12 is set, makes after repairing, the internal diameter of upper nozzle brick 4 is all consistent from the top to the bottom.The structure of structure and initial upper nozzle brick 4 is close, has greatly increased the service life of upper nozzle brick 4.Yet the utility model is not limited in any way this.
In the present embodiment, utilizing saliva brick on the ladle that described ladle upper nozzle brick repair apparatus repairs is the upper nozzle brick 4 occurring after reaming.Yet the utility model is not limited in any way this.In other embodiment, so long as the repairing of the upper nozzle brick that internal diameter increases from the top to the bottom gradually all can be used saliva brick repair apparatus on this ladle, the repairing of the upper nozzle brick increasing gradually to bottom as top that fault in production produced.
Because the outside portion of sleeve brick 2 is coated with corundum chamotte, when sleeve brick 2 is inserted in upper nozzle brick 4 bottom, sleeve brick 2 can be subject to the pressure from upper nozzle brick 4 sidewalls, and in order to guarantee that sleeve brick 2 keeps complete under this pressure, the sidewall thickness that sleeve brick 2 is set is 15 millimeters~20 millimeters.In the present embodiment, the sidewall thickness that sleeve brick is set is 18 millimeters, guaranteeing to have under the prerequisite of enough compression strength, reduces the manufacturing cost of sleeve brick 2.
For better making sleeve brick 2 enter the bottom internal diameter of upper nozzle brick 4, at the upper side wall of sleeve brick 2, spigot surface 21 is set.Angle between the axis of spigot surface 21 and inner membrance 13 (becoming guide angle) is 3 degree~15 degree.Because the internal diameter of sleeve brick 2 is all identical from top to bottom, thereby guide angle is larger, and guide effect is better, but the sidewall thickness at corresponding sleeve brick 2 tops will be thinner, and the pressure can bear also will be less, also more chipping.Therefore,, in the present embodiment, the angle arranging between the axis of spigot surface 21 and inner membrance 13 is 9 degree.
In the present embodiment, the length of centration axis 13 is greater than the height of upper nozzle brick 4, and the top of centration axis 13 is higher than the bottom at upper nozzle brick.When fixture 1 demoulding, apply External Force Acting in the top of centration axis 13, facilitate fixture 1 demoulding.
In the present embodiment, the external diameter of base 11 is greater than sleeve brick bottom external diameter, is less than the bottom external diameter of ladle upper nozzle brick 4.When sleeve brick 2 is inserted in the bottom of upper nozzle brick 4, base 11 not only can be fixed sleeve brick 2, and base 11 has also determined that sleeve brick 2 bottom end faces are parallel with ladle upper nozzle brick bottom end face simultaneously.
In sum, the ladle upper nozzle brick repair apparatus that the utility model provides, compared with prior art there is following beneficial effect: the fixture 1 and the sleeve brick 2 that by setting, comprise base 11, internal mold 12 and centration axis 13, sleeve brick 2 is set in the lateral wall of internal mold 12, and 1 pair of sleeve brick 2 of fixture plays the fixing effect of supporting.At the sidewall of sleeve brick 2 and be exposed on the lateral wall of the inner membrance 12 outside sleeve brick 2 and smear corundum chamotte 3, after having smeared, sleeve brick 2 is inserted in to the bottom of the upper nozzle brick 4 that reaming occurs, the bottom internal diameter of upper nozzle brick 4 is diminished, thereby can continue to use.Upper nozzle brick after utilizing this ladle upper nozzle repair apparatus to reaming is repaired, and without removing whole upper nozzle brick, thereby increases the service life of having gone up nozzle brick 4, has also just reduced the use cost of upper nozzle brick 4 and replacing person's working strength accordingly.Further, because sleeve brick 2 materials are identical with normal upper nozzle brick 4 with production technology, serviceability is also close, thereby the upper nozzle brick 4 increasing after sleeve brick 2 can normally move.
In addition, because the internal diameter of sleeve brick 2 equals the top internal diameter that adventitia 12 internal diameters also equal upper nozzle brick 4, the upper nozzle brick after increasing sleeve brick 2, its top internal diameter and bottom internal diameter will equate, and its whole internal structure is close with original state, greatly increased the service life of upper nozzle brick 4.
Although the utility model is disclosed as above by preferred embodiment; yet not in order to limit the utility model; anyly know this skill person; within not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.

Claims (8)

1. a ladle upper nozzle brick repair apparatus, is characterized in that, comprises
Fixture, described fixture comprises:
Base, in the form of annular discs, the center of described base has a locating hole;
Inner membrance, is hollow columnar, fixes with described base, and the axis of described inner membrance and the axis of described locating hole coincide, and the external diameter of described internal mold is greater than the diameter of described locating hole;
Centration axis, is column, and the diameter of described centration axis equals the diameter of locating hole, and described centration axis is fixed on described base through described internal mold and locating hole;
Sleeve brick, be hollow columnar, the top of described sleeve brick lateral wall has a spigot surface, the material of described sleeve brick and production technology are all identical with normal ladle upper nozzle brick, and the internal diameter of described sleeve brick is not less than the external diameter of described internal mold, the external diameter of sleeve brick is not more than the bottom internal diameter of saliva brick on ladle, and the height of described sleeve brick is less than the height of inner membrance, and described sleeve brick coaxially passes described centration axis and inner membrance and is fixed on described base;
Corundum chamotte, wraps up the sidewall of described sleeve brick and is exposed to the lateral wall of the inner membrance outside described sleeve brick.
2. ladle upper nozzle brick repair apparatus according to claim 1, is characterized in that, described sleeve brick internal diameter equals internal mold external diameter, and equals the internal diameter at upper nozzle brick top.
3. ladle upper nozzle brick repair apparatus according to claim 1, is characterized in that, the sidewall thickness of described sleeve brick is 15 millimeters~20 millimeters.
4. ladle upper nozzle brick repair apparatus according to claim 1, is characterized in that, the angle between described spigot surface and inner membrance axis is 3 degree~15 degree.
5. ladle upper nozzle brick repair apparatus according to claim 1, is characterized in that, the length of described centration axis is greater than the height of described upper nozzle brick.
6. ladle upper nozzle brick repair apparatus according to claim 1, is characterized in that, the external diameter of described base is greater than sleeve brick bottom external diameter, is less than the bottom external diameter of ladle upper nozzle brick.
7. the upper nozzle brick that utilizes the ladle upper nozzle brick repair apparatus described in claim 1 to repair, is characterized in that, the internal diameter of described upper nozzle brick increases from the top to the bottom gradually.
8. ladle upper nozzle brick according to claim 7, is characterized in that, on the ladle of repairing, the bottom internal diameter of saliva brick is larger more than 20 millimeters than standard upper nozzle brick internal diameter.
CN201420191272.XU 2014-04-18 2014-04-18 Steel ladle water supplying nozzle brick repairing device Expired - Fee Related CN203804212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420191272.XU CN203804212U (en) 2014-04-18 2014-04-18 Steel ladle water supplying nozzle brick repairing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420191272.XU CN203804212U (en) 2014-04-18 2014-04-18 Steel ladle water supplying nozzle brick repairing device

Publications (1)

Publication Number Publication Date
CN203804212U true CN203804212U (en) 2014-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420191272.XU Expired - Fee Related CN203804212U (en) 2014-04-18 2014-04-18 Steel ladle water supplying nozzle brick repairing device

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108031829A (en) * 2017-12-13 2018-05-15 钢城集团凉山瑞海实业有限公司 Hot ladle pocket block repairing mould and restorative procedure
CN113492209A (en) * 2020-03-19 2021-10-12 中冶宝钢技术服务有限公司 Fire clay thickness control device and process for tundish water feeding port
CN113695563A (en) * 2021-10-27 2021-11-26 北京利尔高温材料股份有限公司 Hot patching die and hot patching method for ladle nozzle pocket brick

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108031829A (en) * 2017-12-13 2018-05-15 钢城集团凉山瑞海实业有限公司 Hot ladle pocket block repairing mould and restorative procedure
CN113492209A (en) * 2020-03-19 2021-10-12 中冶宝钢技术服务有限公司 Fire clay thickness control device and process for tundish water feeding port
CN113492209B (en) * 2020-03-19 2022-05-24 中冶宝钢技术服务有限公司 Fire clay thickness control device and process for tundish upper nozzle
CN113695563A (en) * 2021-10-27 2021-11-26 北京利尔高温材料股份有限公司 Hot patching die and hot patching method for ladle nozzle pocket brick
CN113695563B (en) * 2021-10-27 2022-01-18 北京利尔高温材料股份有限公司 Hot patching die and hot patching method for ladle nozzle pocket brick

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 312000 338 Bai Xie Road, Bai Guan Street, Shangyu District, Shaoxing, Zhejiang

Patentee after: Zhejiang independent Cmi Holdings Ltd.

Address before: 312300 338 Bai Xie Road, Bai Guan Street, Shangyu City, Shaoxing, Zhejiang

Patentee before: ZHEJIANG ZILI Corp.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190524

Address after: 312000 No. 9 Juxian No. 2 Road, East 2 District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province

Patentee after: ZHEJIANG ZILI HIGH TEMPERATURE TECHNOLOGY Co.,Ltd.

Address before: 312000 338 Bai Xie Road, Bai Guan Street, Shangyu District, Shaoxing, Zhejiang

Patentee before: Zhejiang independent Cmi Holdings Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 312000 No. 9 Juxian No. 2 Road, East 2 District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province

Patentee after: Zhejiang Zili High Temperature Technology Co.,Ltd.

Address before: 312000 No. 9 Juxian No. 2 Road, East 2 District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province

Patentee before: ZHEJIANG ZILI HIGH TEMPERATURE TECHNOLOGY Co.,Ltd.

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: 20140903