CN201900239U - Nozzle unit - Google Patents
Nozzle unit Download PDFInfo
- Publication number
- CN201900239U CN201900239U CN2010206221096U CN201020622109U CN201900239U CN 201900239 U CN201900239 U CN 201900239U CN 2010206221096 U CN2010206221096 U CN 2010206221096U CN 201020622109 U CN201020622109 U CN 201020622109U CN 201900239 U CN201900239 U CN 201900239U
- Authority
- CN
- China
- Prior art keywords
- level
- deflector
- nozzle
- liquid
- nozzle bag
- 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
Images
Abstract
The utility model provides a nozzle unit, which comprises a casing. A liquid passage is disposed in the casing, a liquid inlet is disposed at the top end of the liquid passage, a nozzle is disposed at the bottom end of the liquid passage, a nozzle unit core is disposed between the liquid passage and the casing, a heating device is disposed between the nozzle unit core and the casing, a float for measuring liquid height is disposed on the liquid passage, and a guide plate is obliquely connected to a position on the liquid passage corresponding to the liquid inlet. The guide plate is used for guiding liquid steel which flows along the guide plate down into the liquid steel level, and thereby greater fluctuation of liquid steel level in the nozzle unit can be avoided effectively, and quality of amorphous strips is ensured.
Description
Technical field
The utility model relates to a kind of nozzle bag, specifically, is a kind of nozzle bag with guiding device.
Background technology
In amorphous system band process, molten state alloy in the smelting furnace is introduced into tundish, then by the interior volume control device that is provided with of tundish, the control molten steel flow in the nozzle bag with certain flow, thereby the liquid level that guarantees molten steel in the nozzle bag remains on the certain height, molten steel in the nozzle bag drops on the atwirl chill roll after nozzle flows out, through forming amorphous band on the chill roll surface after the cooling rapidly.When actual production, the height of liquid steel level directly influences the flow that flows to the molten steel on the chill roll from nozzle in the nozzle bag, when the liquid steel level in the nozzle bag is higher, the flow that flows to the molten steel on the chill roll from nozzle is bigger, molten steel amount at the chill roll surface sediment correspondingly becomes greatly, and the amorphous band of formation is also just thicker, otherwise, when the liquid steel level in the nozzle bag was low, the amorphous band of formation was also just thinner; In order to guarantee that amorphous band has consistent thickness, will keep flow unanimity so through the molten steel of nozzle outflow, prior art generally can be determined a standard molten steel liquid level, when the amount that guarantees molten steel always keeps this liquid level, to guarantee that also fluctuation does not appear in liquid steel level as far as possible, promptly must control the fluctuation range of liquid steel level in the nozzle bag, the fluctuation of normally controlling liquid steel level is in ± 2mm.
When practical application, when high-temperature molten steel flows out when entering the nozzle bag from tundish, the initial stage that enters at molten steel, because molten steel directly drops on the bottom of nozzle bag, refractory material to nozzle bag bottom has caused impact, the phenomenon that might cause nozzle bag bottom to occur running through after the long-time running has reduced service life of nozzle bag; In addition, after the molten steel amount tends towards stability in the nozzle bag, because the molten steel that newly enters is to the percussion of liquid level, can cause liquid steel level to produce the fluctuation of fluctuation range much larger than ± 2mm, influenced the stability of the flow of the molten steel that flows out through nozzle, thereby cause the variable thickness of the amorphous band for preparing to cause, influenced the quality of amorphous band.
The utility model content
The technical problems to be solved in the utility model is that nozzle bag of the prior art is easy to produce the fluctuation of fluctuation range much larger than ± 2mm owing to molten steel adds the liquid steel level that causes nozzle bag inside by tundish in the nozzle bag, influenced the stability of the flow of the molten steel that flows out through nozzle, cause the variable thickness of the amorphous band for preparing to cause, so provide a kind of be provided with guiding device and can effectively reduce molten steel to the impact of nozzle bag bottom refractory material and liquid steel level, have molten steel flow stability, can guarantee the nozzle bag of amorphous band quality.
The technical solution of the utility model is:
A kind of nozzle bag comprises: housing, in described housing, be provided with the liquid communication passage, and be provided with inlet on the top of described liquid communication passage, be provided with nozzle in the bottom of described liquid communication passage;
Between described liquid communication passage and described housing, be provided with nozzle bag Bao Xin;
Between described nozzle bag Bao Xin and described housing, be provided with heater, in described liquid communication passage, be provided with the float that is used to measure liquid level;
Corresponding to the position of described inlet, be connected with the one-level deflector below described inlet in described liquid communication passage, described one-level deflector is inclined to set with respect to the transverse plane at described nozzle place.
In described liquid communication passage, the below that is positioned at described one-level deflector also is provided with the secondary deflector, and described secondary deflector is obliquely installed with respect to described transverse plane, and described secondary deflector is through under the described one-level deflector bottom.
Distance between the bottom of described one-level deflector and the described liquid steel level is less than 50mm.
The angle α of described secondary deflector and described transverse plane is greater than 90 °.
The bottom of described one-level deflector is positioned at below the liquid steel level.
Angle α ' between described one-level deflector and the described transverse plane is 55-65 °.
Angle α ' between described one-level deflector and the described transverse plane is 60 °.
Between described heater and described housing, also be provided with heat-insulation layer; The external shell of described inlet correspondence is provided with funnel.
Described heater is an elema heater.
Described deflector is a carborundum plate.
The advantage of nozzle bag described in the utility model is:
(1) nozzle bag described in the utility model, in the liquid communication passage, be connected with the deflector that is obliquely installed, enter the initial stage of jet hole at molten steel, the molten steel that flows into from inlet dropped on the deflector before this, drop on nozzle bag bottom after flowing down from deflector again, the speed of molten steel has obtained very big buffering, has reduced the impulsive force to described nozzle bag bottom, has effectively protected the refractory material of bottom; Of paramount importancely be, when molten steel amount in the nozzle bag reach stablize liquid level after, deflector has played an effect that guiding flows to molten steel, molten steel reduces greatly at the back flow velocity that flows along the deflector guiding, fall again this moment on the liquid steel level in the nozzle bag, impulsive force to liquid steel level reduces greatly, the fluctuation that can guarantee the liquid steel level in the nozzle bag fully is in the fluctuation range at ± 2mm, thereby the flow velocity of the molten steel that flows out through nozzle in the stabilized nozzle bag has effectively guaranteed the consistency of thickness of amorphous band.
(2) nozzle bag described in the utility model, angle to the transverse plane direction at described one-level deflector and described nozzle place limits, because if this angle setting is too small, might cause that occurring molten steel on deflector splashes, if and this angle setting is excessive, then can not guarantee buffering, deceleration effect to molten steel, the angle that the utility model is provided with described deflector and described transverse plane direction is 55-65 °, and be preferably 60 °, when guaranteeing buffering effect, also avoided splashing of molten steel.
(3) nozzle bag described in the utility model, the bottom of described one-level deflector is positioned at below the liquid steel level, under this setup, molten steel reduces greatly in the back speed that flows along one-level deflector guiding, be fed directly to again on the liquid steel level in the nozzle bag, owing to do not have drop between one-level deflector and the liquid steel level, therefore further reduced impact to liquid steel level, reduced the fluctuation of liquid steel level.
(4) nozzle bag described in the utility model, in described liquid communication passage, the below that is positioned at described one-level deflector also is provided with the secondary deflector, described secondary deflector is obliquely installed with respect to transverse plane, and described secondary deflector is through under the described one-level deflector bottom, so, enter the initial stage of jet hole at molten steel, the molten steel that flows down from the one-level deflector dropped on the secondary deflector before this, after flowing down, the secondary deflector drops on nozzle bag bottom again, the speed of molten steel has obtained further buffering on the secondary deflector, has more effectively protected the refractory material of bottom; And the setting of secondary deflector is particularly useful for the situation of liquid steel level when low, when liquid steel level is low, the bottom of one-level deflector may be in more than the liquid steel level, by the secondary deflector is set, make the molten steel that falls from the one-level deflector pass through the secondary deflector once more, directly enter liquid steel level then, do not have drop between secondary deflector and the liquid steel level, therefore the impulsive force to liquid steel level also further reduces.
(5) nozzle bag described in the utility model is provided with heat-insulation layer between described nozzle bag Bao Xin and described housing, can prevent that the molten steel in the nozzle bag from cooling off fast.
(6) nozzle bag described in the utility model, it is carborundum plate that described deflector is set, described Tercod has the advantage that intensity is big, anti-wear performance is good, can resist the lasting percussion of high-temperature molten steel, improves the service life of deflector.
(7) nozzle bag described in the utility model, the external shell of described inlet correspondence is provided with funnel, the effect of described funnel is to admit the molten steel from tundish, thereby avoids causing molten steel to be not easy to pour into the phenomenon of nozzle bag because inlet is less, has reduced operation easier.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Shown in Figure 1 is the structural representation of nozzle bag described in the utility model;
Fig. 2, Fig. 3 and shown in Figure 4 be the structural representation that is provided with the nozzle bag of funnel and heat-insulation layer described in the utility model;
Wherein, Reference numeral is:
The 1-float, 2-inlet, 3-one-level deflector, 4-housing, 5-heater, 6-nozzle, 7-nozzle bag Bao Xin, 8-heat-insulation layer, 9-funnel, 10-secondary deflector, 11-liquid steel level, 12-liquid communication passage.
The specific embodiment
Be the schematic diagram of nozzle bag described in the utility model as shown in Figure 1, described nozzle bag comprises:
Be provided with nozzle bag bag core 7 between described liquid communication passage 12 and described housing 4, the described nozzle bag of present embodiment bag core 7 uses carborundum to be prepared from;
Be provided with heater 5 between described nozzle bag bag core 7 and described housing 4, the described heater 5 of present embodiment is an elema heater; Described liquid communication passage 12 is provided with the float 1 that is used to measure liquid level;
On described liquid communication passage 12 corresponding to the position of inlet 2, below described inlet, be connected with one-level deflector 3, described one-level deflector 3 is obliquely installed, angle α ' (seeing shown in the figure) between the transverse plane at described one-level deflector 3 and described nozzle place is 55 °, described one-level deflector 3 is high temperature resistant high impact material, such as corundum plate, wolfram steel plate, boron nitride plate; The bottom of the described one-level deflector 3 of present embodiment is positioned at described liquid steel level below 11, as selectable embodiment, the bottom of described one-level deflector 3 also can be positioned at described liquid steel level or position that is connected with described liquid steel level 11 just more than 11.When the bottom that described one-level deflector 3 is set is positioned at described liquid steel level 11 when above, should guarantee that the bottom of described one-level deflector 3 and the distance between the described liquid steel level 11 are less than 50mm.
The described nozzle of present embodiment wraps in when using, after molten steel enters described nozzle bag from described inlet 2, dropped on before this on the described one-level deflector 3, flow down along the described one-level deflector 3 that is obliquely installed again and flow directly into liquid steel level 11, effectively avoided the liquid steel level 11 in the nozzle bag to take place than great fluctuation process, described heater heats the molten steel in the nozzle bag, avoids described molten steel cools; Flow out molten steel from described nozzle 6 and finally drop on the chill roll, form amorphous band.
Be the schematic diagram of the another embodiment of nozzle bag described in the utility model as shown in Figure 2, present embodiment is compared with embodiment 1, also is provided with heat-insulation layer 8 between described nozzle bag bag core 7 and described housing 4, and heat-insulation layer described in the present embodiment 8 is an alumino-silicate brick; On the external shell 4 of described inlet 2 correspondences, also be provided with funnel 9;
Angle angle α ' between the transverse plane at deflector of one-level described in the present embodiment 3 and described nozzle place is 65 °, and described and deflector 3 is a carborundum plate.
Above-mentioned angle α ' also can be set to 60 °.
Nozzle bag described in the utility model, also can be on the foregoing description basis, in described liquid communication passage 12, secondary deflector 10 is set further, described secondary deflector 10 is positioned at the below of described one-level deflector 3, described secondary deflector 10 is obliquely installed with respect to transverse plane, the angle of setting described secondary deflector 10 and described transverse plane is α, and this angle can be chosen as acute angle also can be chosen as the obtuse angle, promptly greater than 90 °.(see shown in Fig. 3) that when described angle is set to acute angle molten steel is constant at the flow direction behind one-level deflector 3 so, inject liquid steel level through secondary deflector 10 backs again; When being set to the obtuse angle, (sees shown in Fig. 4) described angle, molten steel is after flowing on the secondary deflector 10 behind the one-level deflector 3 so, its flow direction changes, thereby can reduce the flow velocity of molten steel better, impulsive force when reducing molten steel and behind secondary deflector 10, entering liquid steel level, thus the stable of liquid steel level guaranteed better.
The described one-level deflector of present embodiment is positioned at liquid steel level more than 11, the bottom of described secondary deflector 10 is positioned at liquid steel level below 11, as selectable embodiment, the bottom that described secondary deflector 10 also can be set is positioned at liquid steel level or position that is connected with described liquid steel level 11 just more than 11.
The described nozzle of present embodiment wraps in when using, molten steel flows into described funnel 9, pass through described inlet 2 flow nozzle bags again, after described molten steel enters described nozzle bag, dropped on before this on the described one-level deflector 3, flow down along described one-level deflector 3 again and fall on the secondary deflector 10, after flowing down, secondary deflector 10 directly enters liquid steel level 11, effectively avoided the liquid steel level 11 in the nozzle bag to take place than great fluctuation process, described heater heats the molten steel in the described nozzle bag, described heat-insulation layer 8 has played insulation effect simultaneously, effectively avoids described molten steel cools; Flow out molten steel from described nozzle 6 and finally drop on the chill roll, form amorphous band.
As selectable embodiment, the angle of one-level deflector described in the utility model 3 and transverse plane also can be for arbitrarily angled less than other of 90 ° greater than 0 °.
As selectable embodiment, heater described in the utility model also can be other heater that can at high temperature use arbitrarily equally.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms according to varying in size of equipment on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the present utility model.
Claims (10)
1. nozzle bag comprises: housing, in described housing, be provided with the liquid communication passage, and be provided with inlet on the top of described liquid communication passage, be provided with nozzle in the bottom of described liquid communication passage;
Between described liquid communication passage and described housing, be provided with nozzle bag Bao Xin;
Between described nozzle bag Bao Xin and described housing, be provided with heater, in described liquid communication passage, be provided with the float that is used to measure liquid level;
It is characterized in that corresponding to the position of described inlet, be connected with the one-level deflector below described inlet in described liquid communication passage, described one-level deflector is inclined to set with respect to the transverse plane at described nozzle place.
2. nozzle bag according to claim 1, it is characterized in that, in described liquid communication passage, the below that is positioned at described one-level deflector also is provided with the secondary deflector, described secondary deflector is obliquely installed with respect to described transverse plane, and described secondary deflector is through under the described one-level deflector bottom.
3. nozzle bag according to claim 1 is characterized in that, the distance between the bottom of described one-level deflector and the described liquid steel level is less than 50mm.
4. nozzle bag according to claim 2 is characterized in that, the angle α of described secondary deflector and described transverse plane is greater than 90 °.
5. nozzle bag according to claim 1 is characterized in that the bottom of described one-level deflector is positioned at below the liquid steel level.
6. according to claim 1 or 2 or 3 or 4 or 5 described nozzle bags, it is characterized in that the angle α ' between described one-level deflector and the described transverse plane is 55-65 °.
7. nozzle bag according to claim 6 is characterized in that, the angle α ' between described one-level deflector and the described transverse plane is 60 °.
8. according to claim 1 or 2 or 3 or 4 or 5 described nozzle bags, it is characterized in that, between described heater and described housing, also be provided with heat-insulation layer; The external shell of described inlet correspondence is provided with funnel.
9. nozzle bag according to claim 8 is characterized in that, described heater is an elema heater.
10. according to claim 1 or 2 or 3 or 4 or 5 described nozzle bags, it is characterized in that described deflector is a carborundum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206221096U CN201900239U (en) | 2010-11-24 | 2010-11-24 | Nozzle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206221096U CN201900239U (en) | 2010-11-24 | 2010-11-24 | Nozzle unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201900239U true CN201900239U (en) | 2011-07-20 |
Family
ID=44270842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206221096U Expired - Fee Related CN201900239U (en) | 2010-11-24 | 2010-11-24 | Nozzle unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201900239U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433443A (en) * | 2013-08-27 | 2013-12-11 | 青岛云路新能源科技有限公司 | Method and device for preparing amorphous strip |
| CN105935748A (en) * | 2016-04-05 | 2016-09-14 | 江苏国能合金科技有限公司 | Quick heating device for spray nozzle of amorphous ribbon equipment |
| CN108080591A (en) * | 2017-12-27 | 2018-05-29 | 河南中岳非晶新型材料股份有限公司 | A kind of amorphous band Integrated strip spraying bag and its bag method processed |
| CN110160157A (en) * | 2019-06-25 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of air duct shell and air conditioner |
| CN111014604A (en) * | 2019-12-26 | 2020-04-17 | 成都职业技术学院 | Continuous casting machine |
| CN117379833A (en) * | 2023-12-11 | 2024-01-12 | 深圳市科拉达精细化工有限公司 | Petroleum ethanol sedimentation device and method thereof |
-
2010
- 2010-11-24 CN CN2010206221096U patent/CN201900239U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433443A (en) * | 2013-08-27 | 2013-12-11 | 青岛云路新能源科技有限公司 | Method and device for preparing amorphous strip |
| CN103433443B (en) * | 2013-08-27 | 2016-05-04 | 青岛云路先进材料技术有限公司 | A kind of preparation method of amorphous band and device |
| CN105935748A (en) * | 2016-04-05 | 2016-09-14 | 江苏国能合金科技有限公司 | Quick heating device for spray nozzle of amorphous ribbon equipment |
| CN105935748B (en) * | 2016-04-05 | 2018-05-08 | 江苏国能合金科技有限公司 | A kind of amorphous thin ribbon equipment nozzle nonstorage calorifier |
| CN108080591A (en) * | 2017-12-27 | 2018-05-29 | 河南中岳非晶新型材料股份有限公司 | A kind of amorphous band Integrated strip spraying bag and its bag method processed |
| CN108080591B (en) * | 2017-12-27 | 2024-01-30 | 河南中岳非晶新型材料股份有限公司 | Amorphous strip integrated spray belt package and package manufacturing method thereof |
| CN110160157A (en) * | 2019-06-25 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of air duct shell and air conditioner |
| CN111014604A (en) * | 2019-12-26 | 2020-04-17 | 成都职业技术学院 | Continuous casting machine |
| CN117379833A (en) * | 2023-12-11 | 2024-01-12 | 深圳市科拉达精细化工有限公司 | Petroleum ethanol sedimentation device and method thereof |
| CN117379833B (en) * | 2023-12-11 | 2024-02-23 | 深圳市科拉达精细化工有限公司 | Petroleum ethanol sedimentation device and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201900239U (en) | Nozzle unit | |
| CN103785808B (en) | A kind of austenite antimicrobial stainless steel crystallizer protecting residue | |
| CN100584487C (en) | Preparation Preliminary melting type continuous casting crystallizer protecting slag | |
| CN100443215C (en) | Protective slag for ultralow carbon steel continuous casting | |
| CN101658907A (en) | Protective slag of large-profile round billet continuous-casting crystallizer and method for preparing same | |
| CN103938127B (en) | Method for preparing iron-based amorphous broadband | |
| CN108176844A (en) | A kind of device and method for clearing up tundish upper nozzle dross object | |
| CN106583673A (en) | Continuous-casting mold flux for decreasing sticking steel breakouts and preparation method thereof | |
| CN105016742B (en) | Coating for sealing continuous casting nozzle, as well as preparation method and application of coating | |
| CN103464713A (en) | Method for improving automatic casting ratio and stuffing sand thereof | |
| CN108080591B (en) | Amorphous strip integrated spray belt package and package manufacturing method thereof | |
| CN201644735U (en) | Submerged nozzle provided with lead-in device for square billet continuous casting crystallizer | |
| CN108637199A (en) | The method for pouring the first stove ladle molten steel temperature is unwrapped among a kind of reduction | |
| CN110976838B (en) | Casting device and method for aluminum-containing steel | |
| CN110260667A (en) | The discharge system of rock wool electric smelter | |
| CN105268956B (en) | A kind of liquid slag tundish and its application method | |
| CN101502877B (en) | Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof | |
| CN207386542U (en) | A kind of internal nozzle bag that buffer board is set | |
| CN109351925A (en) | A kind of method and continuous casting process improving crystallizer copper pipe steel -passing amount | |
| CN203209684U (en) | Six-hole submerged nozzle for pouring large square blank | |
| CN104511581B (en) | A kind of cold rolling tin plate molten steel flux | |
| CN108950137B (en) | Method for rapidly forming slag in high-quality steel tapping process | |
| CN109396409B (en) | Single-point non-equilibrium protection casting method for producing ultrathin large-size aluminum-containing steel special-shaped blank | |
| CN208408498U (en) | A kind of volume control device of magnesium alloy melt | |
| CN105081246A (en) | Continuous feeding device and method for molten covering slag for continuous casting crystallizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20131124 |