CN201960128U - Inert gas protection stopper rod fixed nozzle quick-changing device for clean steel - Google Patents
Inert gas protection stopper rod fixed nozzle quick-changing device for clean steel Download PDFInfo
- Publication number
- CN201960128U CN201960128U CN2011200870675U CN201120087067U CN201960128U CN 201960128 U CN201960128 U CN 201960128U CN 2011200870675 U CN2011200870675 U CN 2011200870675U CN 201120087067 U CN201120087067 U CN 201120087067U CN 201960128 U CN201960128 U CN 201960128U
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- nozzle
- guide
- replacing device
- guide plate
- fast replacing
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Abstract
The utility model provides an inert gas protection stopper rod fixed nozzle quick-changing device for clean steel, which comprises a brick cup and an upper nozzle, wherein one end surface of the upper nozzle is in close fit with one end surface of a lower nozzle; a tapered protection spout of the lower nozzle is matched with a submersed nozzle; a first ring-shaped groove is formed on the end surface of the upper nozzle, which is matched with the lower nozzle; a quick-changing device is mounted at the bottom of the brick cup; a second ring-shaped groove is formed on the inner wall of a tapered hole of the submersed nozzle, which is matched with the lower nozzle; the upper end surface of the upper nozzle is matched with a lengthened nozzle; the upper end opening of the lengthened nozzle is matched with a stopper rod; the bottom end of a vertical bracket is connected with a rack; the rack is meshed with a gear; the vertical bracket is mounted on a guide rail; the guide rail is fixedly connected with a tundish housing; and a control handle is connected with the gear. By using the inert gas protection stopper rod fixed nozzle quick-changing device for clean steel, the flow rate of pour steel can be adjusted according to the production demands during continuous casting production, so as to control the liquid level of a crystallizer and stabilize the casting speed and the like and achieve the purposes of stabilizing and improving the quality of cast products.
Description
Technical field
The utility model relates to the metering nozzle fast replacing device that uses in the steel-making enterprise, is a kind of clean steel blanketing with inert gas stopper metering nozzle fast replacing device.
Background technology
The metering nozzle fast replacing device is a kind of indispensable device that use at the mouth of a river of changing when steel-making.But, though the stopper formula fast replacing device that uses can be realized two control streams at present, when crystallization control device liquid level, assurance is watered the steel pulling rate and is closed casting, realize automatic liquid level control but can not well cooperate, easily cause liquid level fluctuation of crystallizer, conticaster pulling rate instability, cause the stable not good enough of billet quality, and when the high-quality steel is produced, can not solve because of external oxygen enters and cause the product quality of high-quality gold steel to be a greater impact.
Summary of the invention
The purpose of this utility model is; a kind of clean steel blanketing with inert gas stopper metering nozzle fast replacing device is provided; the flow of its pour steel when continuous casting is produced can be reached according to producing the needs adjustment; thereby by crystallization control device liquid level; stablize injection pulling rate etc., reach the purpose of stabilizing and increasing the casting product quality.
The utility model for achieving the above object; be achieved through the following technical solutions: clean steel blanketing with inert gas stopper metering nozzle fast replacing device; comprise brick cup; filling pipe end; filling pipe end closely cooperates with following mouth of a river end face; the taper protection mouth at the following mouth of a river matches with submersed nozzle; the lower step place of filling pipe end offers oblique through hole; on filling pipe end and end face that the following mouth of a river cooperates, offer first ring groove; fast replacing device is installed in the brick cup bottom; offer gas port on the upper guide plate of fast replacing device; first wireway is connected with gas port; offer second annular groove on the inwall of the coniform hole that submersed nozzle cooperates with the following mouth of a river; the horizontal through hole of offering on the submersed nozzle communicates with second annular groove; horizontal through hole is connected with second wireway; match with the lengthening formula mouth of a river in the filling pipe end upper surface; the upper port at the lengthening formula mouth of a river matches with stopper; fixedly connected with connecting rod in stopper top; connecting rod is connected with horizontal stand one end; the horizontal stand other end is connected with the vertical support frame top; the vertical support frame bottom is connected with tooth bar; the rack and pinion engagement; vertical support frame is installed on the guide rail; move up and down along guide rail; guide rail is fixedlyed connected with the tundish involucrum; gear is fixed on the supporting base, and supporting base is connected with guide rail, and joystick is connected with gear.Fast replacing device has installing plate, guide plate is installed in the installing plate bottom, first bottom guide and second bottom guide are installed in the upper guide plate bottom, upper guide plate is connected with second cylinder bracket with first cylinder bracket respectively, first cylinder bracket adopts horizontal direction to fixedly connected with the vertical direction both direction with second cylinder bracket and being connected of upper guide plate, two gripper shoes are installed on first bottom guide and second bottom guide respectively, first bottom guide and second bottom guide are provided with two grooves respectively, amount to four grooves, all adopt guide pillar in each groove, nut is pressed on gripper shoe and bottom guide on the upper guide plate.First spring is installed between the outer edge position of first bottom guide and upper guide plate, second spring is installed between the outer edge position of second bottom guide and upper guide plate, described spring is a gas spring.One side horizontal direction of second cylinder bracket is provided with boss, adopts bolt to fixedly connected with upper guide plate at the boss place, and the employing bolt is fixedlyed connected with upper guide plate on the vertical direction of the top of second cylinder bracket and boss.Two grooves that are provided with on described first bottom guide are positioned on the par center line of same level, two grooves that are provided with on second bottom guide are positioned on the par center line of same level, in the groove of first bottom guide and second bottom guide gripper shoe are installed all.
Advantage of the present utility model is: the gas protection system and the adjustable stopper at the mouth of a river were used about described fast replacing device adopted, guaranteed the cast of clean steel, make the flow of pour steel reach unlimited adjustment, the reasonable liquid level of crystallization control device, stablized the injection pulling rate, and can quick and precisely cut off steel stream, in the continuous casting steel casting process, realize omnidistance gas shield simultaneously, thereby realized improving the purpose of the product quality of high-quality steel; Owing to adopted improved fast replacing device, in the time of can making down mouth of a river replacing and the corresponding relation of filling pipe end accurate, further guaranteed the cast precision, further improved the product quality of high-quality steel, and improved simultaneously service life etc. of fast replacing device.
Description of drawings
Accompanying drawing 1 is the utility model structural representation; Accompanying drawing 2 is I portion structure for amplifying schematic diagrames in the accompanying drawing 1; Accompanying drawing 3 is II portion structure for amplifying schematic diagrames in the accompanying drawing 1; Accompanying drawing 4 is structure for amplifying schematic diagrames of fast replacing device 7 in the accompanying drawing 1; Accompanying drawing 5 is that the K of accompanying drawing 4 is to structural representation; Accompanying drawing 6 is left TV structure schematic diagrames of accompanying drawing 4.
The specific embodiment
The contrast accompanying drawing is described further the utility model.
Clean steel blanketing with inert gas stopper metering nozzle fast replacing device described in the utility model; comprise brick cup 3; filling pipe end 4; filling pipe end 4 closely cooperates with the following mouth of a river 5 end faces; the taper protection mouth at the following mouth of a river 5 matches with submersed nozzle 6; the lower step place of filling pipe end 4 offers oblique through hole 8; offer first ring groove 11 on filling pipe end 4 and the end face that the following mouth of a river 5 cooperates; fast replacing device 7 is installed in brick cup 3 bottoms; offer gas port 9 on the upper guide plate of fast replacing device 7; first wireway 10 is connected with gas port 9; offer second annular groove 12 on the inwall of the coniform hole that submersed nozzle 6 cooperates with the following mouth of a river 5; the horizontal through hole of offering on the submersed nozzle 6 13 communicates with second annular groove 12; the horizontal through hole 13 and second wireway 17 closely cooperate; match with the lengthening formula mouth of a river 2 in filling pipe end 4 upper surfaces; the upper port at the lengthening formula mouth of a river 2 matches with stopper 1; fixedly connected with connecting rod 17 in stopper 1 top; connecting rod 17 is connected with horizontal stand 18 1 ends; horizontal stand 18 other ends are connected with vertical support frame 21 tops; vertical support frame 21 bottoms are connected with tooth bar 22; tooth bar 22 and gear 23 engagements; vertical support frame 21 is installed on the guide rail 25; move up and down along guide rail 25; guide rail 25 is fixedlyed connected with tundish involucrum 24; gear 23 is fixed on the supporting base 19; supporting base 19 is connected with guide rail 25, and joystick 20 is connected with gear 23.
Fast replacing device 7 described in the utility model has installing plate 26, guide plate 27 is installed in installing plate 26 bottoms, first bottom guide 29 and second bottom guide 28 are installed in upper guide plate 27 bottoms, upper guide plate 27 is connected with second cylinder bracket 31 with first cylinder bracket 30 respectively, first cylinder bracket 30 adopts horizontal direction to fixedly connected with the vertical direction both direction with second cylinder bracket 31 and being connected of upper guide plate 27, on first bottom guide 29 and second bottom guide 28 two gripper shoes are installed respectively, first bottom guide 29 and second bottom guide 28 are provided with two grooves 33 respectively, amount to four grooves, all adopt guide pillar 5 in each groove 33, nut 9 is pressed on gripper shoe 7 and bottom guide on the upper guide plate 27, because adopting, accompanying drawing partly cuts open signal, and each gripper shoe, groove, the planform of guide pillar and nut and combination thereof are all identical, therefore, only in Fig. 6, represented a gripper shoe, groove, the structure of guide pillar and nut.
The further scheme of fast replacing device 7 is: 27 of the outer edge position of first bottom guide 29 and upper guide plates are installed the outer edge position and 27 of the upper guide plates of first spring, 32, the second bottom guides 28 second spring 34 are installed, and described spring is a gas spring.
A side horizontal direction of second cylinder bracket 31 is provided with boss 35 in the fast replacing device 7, adopts bolt to fixedly connected with upper guide plate 27 at boss 35 places, and the employing bolt is fixedlyed connected with upper guide plate 27 on the vertical direction of the top of second cylinder bracket 31 and boss 35.Cylinder bracket is two, and its structure, installation site and fixed form are all identical, and the fixing point of two cylinder brackets on both direction can make the propelling stroke of oil cylinder when work accurate.
The further preferred version of fast replacing device 7 is: two grooves that are provided with on described first bottom guide 29 are positioned on the par center line of same level, two grooves 33 that are provided with on second bottom guide 28 are positioned on the par center line of same level, in the groove of first bottom guide 29 and second bottom guide 28 gripper shoe are installed all.
When the utility model uses, the adjustment of stopper is by Artificial Control, driving vertical support frame 21 by the interaction between the rack-and-pinion moves up and down along guide rail 25, and then drive stoppers 1 along the upper and lower displacement of stopper axis by horizontal stand 18 and connecting rod 17, when suitable for reading the combining closely of the caput position of stopper 1 and lengthening filling pipe end 2, molten steel does not flow, system is in sealing state, when stopper 1 upwards is displaced to certain position, the generation suitable for reading slit of the caput position of stopper 1 and lengthening filling pipe end 2, this moment, system was unimpeded.Reach the flow velocity of control molten steel during the utility model work by the slit between control stopper 1 and the lengthening filling pipe end 2, when the flow velocity of molten steel is consistent with the flow velocity of tapping hole, the liquid level of crystallizer just remains on a metastable position, injection pulling rate and mold liquid level are proportional, after mold liquid level was stable, the injection pulling rate was stable thereupon.
Fast replacing device 7 described in the utility model adopts four gripper shoes to be connected with bottom guide respectively, increased bottom guide dexterity of action the during mouth of a river under changing, the active force of spring is executed on the downward mouth of a river continuously, do not produce the interruption application of force when making the replacing of the new and old mouth of a river down, the upper surface at the mouth of a river is fitted tightly on the lower surface of filling pipe end, making up and down, the mouth of a river is in tight impaction state all the time, simultaneously, because four gripper shoes adopt four guide pillars to compress downwards, and gripper shoe is installed in the groove, make the compact conformation at this place, volume is little, the overall structure of fast replacing device is shortened in vertical direction, and the installation and the replacing of the submersed nozzle of below, the mouth of a river have increased the operating space thereby give down, make submersed nozzle avoid problems such as long and accuracy of set-up time of bringing for a short time because of the operating space is not good enough; Cylinder bracket in the fast replacing device 7 described in the utility model has adopted vertical and two fixing points of horizontal direction, improved the coupling stiffness of cylinder bracket, and difficult the generation is out of shape, make oil cylinder stroke in the progradation of the mouth of a river under changing more accurate, do not produce any error, when the mouth of a river is changed and the corresponding relation of filling pipe end accurate.
Fast replacing device 7 described in the utility model also can adopt other fast replacing device, and still, the high-quality product made from steel quality of production is not good enough.
14 is pug layers among the figure, the 15th, and iron-clad, the 16th, submersed nozzle argon gas joint.
Claims (5)
1. clean steel blanketing with inert gas stopper metering nozzle fast replacing device; comprise brick cup (3); filling pipe end (4); filling pipe end (4) closely cooperates with the following mouth of a river (5) end face; the taper protection mouth at the following mouth of a river (5) matches with submersed nozzle (6); it is characterized in that: the lower step place of filling pipe end (4) offers oblique through hole (8); on filling pipe end (4) and end face that the following mouth of a river (5) cooperates, offer first ring groove (11); fast replacing device (7) is installed in brick cup (3) bottom; offer gas port (9) on the upper guide plate of fast replacing device (7); first wireway (10) is connected with gas port (9); offer second annular groove (12) on the inwall of the coniform hole that submersed nozzle (6) cooperates with the following mouth of a river (5); the horizontal through hole of offering on the submersed nozzle (6) (13) communicates with second annular groove (12); horizontal through hole (13) is connected with second wireway (17); match with the lengthening formula mouth of a river (2) in filling pipe end (4) upper surface; the upper port at the lengthening formula mouth of a river (2) matches with stopper (1); fixedly connected with connecting rod (17) in stopper (1) top; connecting rod (17) is connected with horizontal stand (18) one ends; horizontal stand (18) other end is connected with vertical support frame (21) top; vertical support frame (21) bottom is connected with tooth bar (22); tooth bar (22) and gear (23) engagement; vertical support frame (21) is installed on the guide rail (25); move up and down along guide rail (25); guide rail (25) is fixedlyed connected with tundish involucrum (24); gear (23) is fixed on the supporting base (19); supporting base (19) is connected with guide rail (25), and joystick (20) is connected with gear (23).
2. clean steel blanketing with inert gas stopper metering nozzle fast replacing device according to claim 1; it is characterized in that: fast replacing device (7) has installing plate (26); guide plate (27) is installed in installing plate (26) bottom; first bottom guide (29) and second bottom guide (28) are installed in upper guide plate (27) bottom; upper guide plate (27) is connected with second cylinder bracket (31) with first cylinder bracket (30) respectively; first cylinder bracket (30) adopts horizontal direction to fixedly connected with the vertical direction both direction with second cylinder bracket (31) and being connected of upper guide plate (27); on first bottom guide (29) and second bottom guide (28) two gripper shoes are installed respectively; first bottom guide (29) and second bottom guide (28) are provided with two grooves (33) respectively; amount to four grooves, all adopt guide pillar (5) in each groove (33); nut (9) is pressed on gripper shoe (7) and bottom guide on the upper guide plate (27).
3. clean steel blanketing with inert gas stopper metering nozzle fast replacing device according to claim 2; it is characterized in that: first spring (32) is installed between the outer edge position of first bottom guide (29) and upper guide plate (27); second spring (34) is installed between the outer edge position of second bottom guide (28) and upper guide plate (27), and described spring is a gas spring.
4. clean steel blanketing with inert gas stopper metering nozzle fast replacing device according to claim 2; it is characterized in that: a side horizontal direction of second cylinder bracket (31) is provided with boss (35); locate to adopt bolt to fixedly connected at boss (35), adopt bolt to fixedly connected on the vertical direction of the top of second cylinder bracket (31) and boss (35) with upper guide plate (27) with upper guide plate (27).
5. clean steel blanketing with inert gas stopper metering nozzle fast replacing device according to claim 2; it is characterized in that: described first bottom guide (29) is gone up two grooves that are provided with and is positioned on the par center line of same level; second bottom guide (28) is gone up two grooves (33) that are provided with and is positioned on the par center line of same level, in the groove of first bottom guide (29) and second bottom guide (28) gripper shoe is installed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200870675U CN201960128U (en) | 2010-12-10 | 2011-03-29 | Inert gas protection stopper rod fixed nozzle quick-changing device for clean steel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020653057.9 | 2010-12-10 | ||
| CN201020653057 | 2010-12-10 | ||
| CN2011200870675U CN201960128U (en) | 2010-12-10 | 2011-03-29 | Inert gas protection stopper rod fixed nozzle quick-changing device for clean steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960128U true CN201960128U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200870675U Expired - Lifetime CN201960128U (en) | 2010-12-10 | 2011-03-29 | Inert gas protection stopper rod fixed nozzle quick-changing device for clean steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201960128U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921938A (en) * | 2012-11-22 | 2013-02-13 | 宁国市宏达电炉有限公司 | Pouring plug rod mechanism for bottom-pouring medium frequency maintaining furnace |
| CN103567429A (en) * | 2012-07-28 | 2014-02-12 | 泰州市旺鑫耐火材料有限公司 | Guide plate of quick change mechanism |
| CN105108122A (en) * | 2015-08-21 | 2015-12-02 | 张继兰 | Automatic casting mechanism capable of controlling flow rate |
| CN106001536A (en) * | 2016-08-05 | 2016-10-12 | 马鞍山江润冶金有限责任公司 | Continuous casting tundish quick replacing system and replacing method |
| WO2016169285A1 (en) * | 2015-04-20 | 2016-10-27 | 济南麦哈勃冶金技术开发有限公司 | Stopper water nozzle quick changing device |
| CN108246995A (en) * | 2017-12-15 | 2018-07-06 | 金川集团股份有限公司 | A kind of filter residue method and device for producing ingot casting |
| CN109834252A (en) * | 2019-04-01 | 2019-06-04 | 山东钢铁集团日照有限公司 | A method of improving ladle upper nozzle service life |
| CN109909466A (en) * | 2019-03-19 | 2019-06-21 | 沈阳麒飞新型材料科技有限公司 | A kind of more mouth of a river continuous casting equipments |
-
2011
- 2011-03-29 CN CN2011200870675U patent/CN201960128U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567429A (en) * | 2012-07-28 | 2014-02-12 | 泰州市旺鑫耐火材料有限公司 | Guide plate of quick change mechanism |
| CN102921938A (en) * | 2012-11-22 | 2013-02-13 | 宁国市宏达电炉有限公司 | Pouring plug rod mechanism for bottom-pouring medium frequency maintaining furnace |
| WO2016169285A1 (en) * | 2015-04-20 | 2016-10-27 | 济南麦哈勃冶金技术开发有限公司 | Stopper water nozzle quick changing device |
| CN105108122A (en) * | 2015-08-21 | 2015-12-02 | 张继兰 | Automatic casting mechanism capable of controlling flow rate |
| CN106001536A (en) * | 2016-08-05 | 2016-10-12 | 马鞍山江润冶金有限责任公司 | Continuous casting tundish quick replacing system and replacing method |
| CN108246995A (en) * | 2017-12-15 | 2018-07-06 | 金川集团股份有限公司 | A kind of filter residue method and device for producing ingot casting |
| CN109909466A (en) * | 2019-03-19 | 2019-06-21 | 沈阳麒飞新型材料科技有限公司 | A kind of more mouth of a river continuous casting equipments |
| CN109909466B (en) * | 2019-03-19 | 2023-12-19 | 沈阳麒飞新型材料科技有限公司 | Continuous pouring equipment with multiple water gaps |
| CN109834252A (en) * | 2019-04-01 | 2019-06-04 | 山东钢铁集团日照有限公司 | A method of improving ladle upper nozzle service life |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
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| CX01 | Expiry of patent term |