CN105215344A - The sliding nozzle device that a kind of refractory consumption is low - Google Patents
The sliding nozzle device that a kind of refractory consumption is low Download PDFInfo
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- CN105215344A CN105215344A CN201510787022.1A CN201510787022A CN105215344A CN 105215344 A CN105215344 A CN 105215344A CN 201510787022 A CN201510787022 A CN 201510787022A CN 105215344 A CN105215344 A CN 105215344A
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Abstract
The invention discloses a kind of sliding nozzle device, comprise brick cup, the base being fixed on the installing plate on ladle and being fixed on installing plate, brick cup, installing plate and base are embedded in the upper nozzle brick of vertical direction, the upper slide brick that circular adapter sleeve is fixing is had in base, the left and right sides of base is equipped with several spring eyes, spring is provided with in spring eye, spring is provided with pre-pressing plate, the below of base is provided with slide plate, lower slide brick and lower nozzle brick are installed in slide plate, the front end face of base is fixed with drive plate, drive plate is provided with the driving mechanism driving slide plate slides, the rear portion of base is provided with sliding box pin, sliding box pin is socketed with sliding box, sliding box is provided with skateboards slot, slide plate is inserted in skateboards slot, the left and right sides of sliding box is equipped with one piece of sliding box pressure strip.The beneficial effect that the present invention obtains is: (1) structure is simple; (2) sliding contact surface isostasy is stablized adjustable, good airproof performance, can prevent sliding plate brick from the process of sliding, overflowing molten steel.
Description
Technical field
The present invention relates to a kind of ladle pouring sliding nozzle device, especially a kind of sliding nozzle device of novel saving refractory consumption rate.
Background technology
Since the seventies, one of slide gate nozzle important process technological innovation having become steel and iron industry fast development.Present domestic and international most ladle, tundish have all loaded onto slide gate nozzle system.Due to the limitation of the production technology, raw material, production equipment, design concept etc. of sliding nozzle device invention initial stage refractory material, it is oversize that the resistance to material part of sliding nozzle device at that time all designs, one comes to be ensure to reach security, is secondly that large-sized refractory material Shi Nai material manufacturing enterprise can obtain higher economic benefit.Although the sliding nozzle device that current each steel mill uses experienced by and repeatedly improves, overall structure and refractory material profile still do not have large breakthrough.Along with advancing by leaps and bounds of refractory material manufacturing technology in recent decades, slide gate nozzle refractory material improves to a new height, and there is no need the requirement reaching security again by excessive profile, longer sliding distance, the assembling of primary and secondary button.Reducing the volume of resistance to material, reaching consumption reduction gain is one of main task of the present invention.
On the other hand, the pressure transmission of conventional slip spout device is too loaded down with trivial details.Nozzle brick and sliding plate brick use complicated double buckle to coordinate, and the gap between double buckle is by filling fire clay sealing, and pressure, by after adjustment lower nozzle brick, is passed to lower slide brick, upper slide brick, upper nozzle brick successively.Because single pressure acts on multiple contact surface, weaken layer by layer and break-in, the size and Orientation of pressure is difficult to equilibrium, and local is too tight or too loose.Between double buckle, the quality of fire clay and viscosity B coefficent also can make the stability of pressure be affected.Unbalance stress, complicated operation, system reliability is lower, and folder steel, bleed-out situation happen occasionally, and causes connecting sliding number of times and reduces.Succinct, stable, the high accuracy that change pressure effect are also one of main tasks of the present invention.
Present iron and steel is produced and is entered low margin age, and loss per ton steel is contracted and carried out in an all-round way, and wants in sliding nozzle device and relevant refractory material are contracted, to obtain stable profit, reduce steel-making cost, and reducing refractory consumption is one of main path.This with regard to need a kind of refractory consumption low and the New slide water gap device that security reliability is high to realize above-mentioned purpose.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of structure is simple, sliding plate brick surface pressure is controlled and the sliding nozzle device that the refractory consumption of pressure stability is low.
For realizing above technique effect, the sliding nozzle device that refractory consumption of the present invention is low, comprise brick cup, the base being fixed on the installing plate on ladle and being fixed on installing plate, described brick cup, installing plate and base are embedded in the upper nozzle brick of vertical direction, described base internal fixtion has upper slide brick, the left and right sides of described base is equipped with several spring eyes, spring is provided with in described spring eye, described spring is provided with pre-pressing plate, the below of described base is provided with the slide plate that can slide along the length direction of base, lower slide brick and lower nozzle brick is provided with in described slide plate, described upper nozzle brick, upper slide brick, lower slide brick and lower nozzle brick 10 are equipped with through hole, the front end face of described base is fixed with driving connecting plate, described driving connecting plate is provided with the driving mechanism driving slide plate slides, the rear portion of described base is provided with sliding box pin, described sliding box pin is socketed with sliding box, described sliding box is provided with skateboards slot, described slide plate is inserted in skateboards slot, described sliding box is provided with rectangular groove, described lower nozzle brick stretches out in outside rectangular groove, the left and right sides of described sliding box is equipped with one piece of sliding box pressure strip, described sliding box pressure strip is also installed on the top of pre-pressing plate.
Conveniently replace with sliding plate brick and firm for upper slide brick is fixed on base, the sliding nozzle device that refractory consumption of the present invention is low, shoulder hole is provided with in described base, described upper slide brick is stepped cylindrical shape, described upper slide brick is placed in the bottom of shoulder hole, described upper slide brick is provided with circular adapter sleeve, and described adapter sleeve is fixedly connected with mode with between shoulder hole for detachable.
Further, in order to make the elastic force of the spring be delivered on sliding box more stable and balanced, to make the pressure between slide plate and base also more stable and balanced, the sliding nozzle device that refractory consumption of the present invention is low, described spring comprises mechanical spring and gas spring, and described mechanical spring and gas spring intervals are arranged in spring eye.
Further, in order to improve the sealing property between upper slide brick and lower slide brick and between slide plate and base, slide plate and lower slide brick is avoided to have molten steel to overflow when slip, the sliding nozzle device that refractory consumption of the present invention is low, the upper surface of the lower surface of upper slide brick, the upper surface of lower slide brick, the lower surface of base and slide plate is plane and is positioned in same level.
Further, in order to the active force be subject to when limiting the flip angle of sliding box and reduce sliding box upset, the base at described sliding box pin rear portion is fixed with a buffer limit spring, described sliding box pin is fixed with a limited block, described limited block and buffer limit gas spring match.
Further, for the ease of the compression dynamics of adjustment pre-pressing plate and the compression dynamics of sliding box fixed head, the sliding nozzle device that refractory consumption of the present invention is low, by Stud connection between described pre-pressing plate and base, also passes through Stud connection between described sliding box fixed head 15 and base.
The beneficial effect that the present invention obtains is: (1) structure is simple; (2) sliding contact surface between slide plate and base and the sliding contact surface pressure stability between upper slide brick and lower slide brick adjustable, good airproof performance, thus can anti-limited slip plate slide process in overflow molten steel; (3) upper slide brick and lower slide brick volume little, precision is high, thus can better adjust the size of molten steel channel, thus effectively reduce the consumption of the refractory materials such as upper nozzle brick, upper slide brick, lower slide brick and lower nozzle brick, reach good economic benefit and social benefit; (4) be the detachable mode that is fixedly connected with between adapter sleeve with shoulder hole, be thus convenient for changing lower slide brick.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is exploded view of the present invention.
In figure: 1, brick cup, 2, installing plate, 3, base, 4, upper nozzle brick, 5, upper slide brick, 6, spring eye,
7, pre-pressing plate, 8, slide plate, 9, lower slide brick, 10, lower nozzle brick, 11, drive connecting plate,
12, sliding box pin, 13, skateboards slot, 14, rectangular groove, 15, sliding box pressure strip, 16, shoulder hole,
17, adapter sleeve, 18, mechanical spring, 19, gas spring, 20, buffer limit spring, 21, sliding box,
22, limited block.
Detailed description of the invention
Below in conjunction with Figure of description, following explanation is done to the present invention.
As depicted in figs. 1 and 2, the sliding nozzle device that refractory consumption of the present invention is low, comprise brick cup 1, the base 3 being fixed on the installing plate 2 on ladle and being fixed on installing plate 2, brick cup 1, installing plate 2 and base 3 are embedded in the upper nozzle brick 4 of vertical direction, base 3 internal fixtion has upper slide brick 5, the left and right sides of base 3 is equipped with several spring eyes 6, spring is provided with in spring eye 6, spring is provided with pre-pressing plate 7, the below of base 3 is provided with the slide plate 8 that can slide along the length direction of base 3, lower slide brick 9 and lower nozzle brick 10 are installed in slide plate 8, upper nozzle brick 4, upper slide brick 5, the axis of lower slide brick 9 and lower nozzle brick 10 is positioned on same vertical straight line, upper nozzle brick 4, upper slide brick 5, the center of lower slide brick 9 and lower nozzle brick 10 is equipped with through hole, the front end face of base 3 is fixed with and drives connecting plate 11, connecting plate 11 is driven to be provided with the driving mechanism driving slide plate 8 to slide, the rear portion of base 3 is provided with sliding box pin 12, sliding box pin 12 is socketed with sliding box 21, sliding box 21 is provided with skateboards slot 13, slide plate 8 is inserted in skateboards slot 13, sliding box 21 is provided with rectangular groove 14, lower nozzle brick 10 stretches out in outside rectangular groove 14, the left and right sides of sliding box 21 is equipped with one piece of sliding box pressure strip 15, sliding box pressure strip 15 is also installed on the top of pre-pressing plate 7.
When concrete use, molten steel flows into from the through hole in upper nozzle brick, then upper slide brick is flowed into successively, in the through hole of lower slide brick and lower nozzle brick, when needing to regulate or block the runner of molten steel to the flow of molten steel, drive slide plate slides, namely can by upper slide brick and lower slide brick, stagger in the position of lower nozzle brick, thus the conducting area of the through hole changed on upper slide brick and the through hole on lower slide brick, along with the continuous slip of slide plate, the position of upper slide brick and lower slide brick interlocks increasing, the conducting area of the through hole now on upper slide brick and the through hole on lower slide brick is just more and more less until end, can the flow of molten steel be regulated or be blocked the circulation of molten steel by the way.
The sliding nozzle device that refractory consumption of the present invention is low, upper nozzle brick and upper slide brick are fixed in base, lower slide brick and lower nozzle brick are placed in slide plate, by adjustment and the assembled in situ adjustment of sliding box pressure strip and the elastic force of adjustable springs in advance to pre-pressing plate, and the pressure of sliding box to slide plate can be adjusted by the elastic force of adjustment spring, and then in adjustment, pressure between lower slide brick sliding surface, therefore go up, pressure between lower slide brick sliding surface is easy to control, and on the contact slide face of whole device only has, between lower slide brick sliding surface, and pressure size between this contact slide face is adjustable, in addition, the lower surface of upper slide brick 5, the upper surface of lower slide brick 9, the lower surface of base 3 and the upper surface of slide plate 8 are plane and are positioned in same level, after the pressure between slide plate and base is adjusted to applicable size, greatly can reduce the friction between upper slide brick and lower slide brick, extend the service life of upper slide brick and lower slide brick, reduce the consumption of upper slide brick and lower slide brick, can also guarantee that molten steel can not be overflowed by this contact slide face simultaneously.
The sliding nozzle device that refractory consumption of the present invention is low, spring comprises mechanical spring 18 and gas spring 19, mechanical spring 18 and gas spring 19 are arranged at intervals in spring eye 6, because gas spring and mechanical spring mechanical performance is at different temperatures different, therefore interval arranges mechanical spring and gas spring, the pressure between the upper and lower sliding plate brick sliding surface of the condition of high temperature can be stablized further, avoid this pressure to occur larger fluctuation at high operating temperatures.
The sliding nozzle device that refractory consumption of the present invention is low, shoulder hole 16 is provided with in base 3, upper slide brick 5 is stepped cylindrical shape, upper slide brick 5 is placed in shoulder hole, upper slide brick 5 is provided with circular adapter sleeve 17, it is the detachable mode that is fixedly connected with between adapter sleeve 17 with shoulder hole 16, therefore firm for upper slide brick can be fixed, facilitate again and sliding plate brick is changed, very easy to use, in specific embodiment, be preferably threaded between adapter sleeve 17 with shoulder hole 16 or the mode of clamping.
The sliding nozzle device that refractory consumption of the present invention is low; the base 3 at sliding box pin 12 rear portion is fixed with a buffer limit spring 20; sliding box pin 12 is fixed with a limited block 22, limited block 22 and buffer limit spring 20 match, and thus can limit the anglec of rotation of sliding box; simultaneously; sliding box, in the process rotated, due to the cushioning effect of buffer limit spring, can reduce the impulsive force that sliding box is subject to greatly; protection sliding box can not be damaged, and extends the service life of sliding box.
The sliding nozzle device that refractory consumption of the present invention is low, Stud connection is passed through between pre-pressing plate 7 and base 3, and leave certain free gap, most of deflection of spring can be compressed in advance, only retain fraction deflection and facilitate on-the-spot rapid adjustment, also by Stud connection between sliding box pressure strip 15 and base 3, be convenient to the compression dynamics adjusting sliding box pressure strip.
In addition, the sliding nozzle device that refractory consumption of the present invention is low, upper slide brick and upper nozzle brick faying face are plane and through grinding fine finishining, upper slide brick is tightened on the bottom of shoulder hole by adapter sleeve, make upper slide brick and upper nozzle brick completely fastening, thus the centering of upper nozzle brick and upper slide brick can be completed, no longer need lower part transmission of pressure, lower slide brick and lower nozzle brick are contained in lower skateboard box, lower slide brick and lower nozzle brick faying face are also be plane and through grinding fine finishining, thus also not upwards transmission of pressure.Therefore, pressure between upper slide brick and lower slide brick sliding surface determined by the elastic force of spring, and the elastic force of spring is not only stablized, adjust by pre-pressing plate and sliding box fixed head again, therefore make apparatus of the present invention at refractory material, under the prerequisite that namely upper nozzle brick, upper slide brick, lower slide brick and lower nozzle brick quality are equal, comparable existing device improves to connect slides number of times, service life also can be longer, then less to the consumption of refractory material.
Claims (6)
1. the sliding nozzle device that a refractory consumption is low, it is characterized in that: comprise brick cup (1), the base (3) being fixed on the installing plate (2) on ladle and being fixed on installing plate (2), described brick cup (1), installing plate (2) and base (3) are embedded in the upper nozzle brick (4) of vertical direction, described base (3) internal fixtion has upper slide brick (5), the left and right sides of described base (3) is equipped with several spring eyes (6), described spring eye is provided with spring in (6), described spring is provided with pre-pressing plate (7), the below of described base (3) is provided with the slide plate (8) that can slide along the length direction of base (3), lower slide brick (9) and lower nozzle brick (10) is provided with in described slide plate (8), described upper nozzle brick (4), upper slide brick (5), lower slide brick (9) and lower nozzle brick (10) are equipped with through hole, the front end face of described base (3) is fixed with and drives connecting plate (11), described driving connecting plate (11) is provided with the driving mechanism driving slide plate (8) to slide, the rear portion of described base (3) is provided with sliding box pin (12), described sliding box pin (12) is socketed with sliding box (23), described sliding box (23) is provided with skateboards slot (13), described slide plate (8) is inserted in skateboards slot (13), described sliding box (23) is provided with rectangular groove (14), described lower nozzle brick (10) stretches out in outside rectangular groove (14), the left and right sides of described sliding box (23) is equipped with one piece of sliding box pressure strip (15), described sliding box pressure strip (15) is also installed on the top of pre-pressing plate (7).
2. the sliding nozzle device that refractory consumption according to claim 1 is low, it is characterized in that: in described base (3), be provided with shoulder hole (16), described upper slide brick (5) is stepped cylindrical shape, described upper slide brick (5) is placed in the bottom of shoulder hole, described upper slide brick (5) is provided with circular adapter sleeve (17), is fixedly connected with mode between described adapter sleeve (17) with shoulder hole (16) for detachable.
3. the sliding nozzle device that refractory consumption according to claim 2 is low, it is characterized in that: described spring comprises mechanical spring (18) and gas spring (19), described mechanical spring (18) and air spring (19) are arranged at intervals in spring eye (6).
4. the sliding nozzle device that refractory consumption according to claim 1 is low, is characterized in that: the lower surface of described upper slide brick (5), the upper surface of lower slide brick (9), the lower surface of base (3) and the upper surface of slide plate (8) are plane and are positioned in same level.
5. the sliding nozzle device that refractory consumption according to claim 1 is low, it is characterized in that: the base (3) at described sliding box pin (12) rear portion is fixed with a buffer limit spring (20), described sliding box pin (12) is fixed with a limited block (24), described limited block (24) and buffer limit air spring (20) match.
6. the sliding nozzle device that refractory consumption according to claim 1 is low, it is characterized in that: by Stud connection between described pre-pressing plate (7) and base (3), between described sliding box fixed head (15) and base (3), also pass through Stud connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787022.1A CN105215344A (en) | 2015-11-16 | 2015-11-16 | The sliding nozzle device that a kind of refractory consumption is low |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787022.1A CN105215344A (en) | 2015-11-16 | 2015-11-16 | The sliding nozzle device that a kind of refractory consumption is low |
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| CN105215344A true CN105215344A (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510787022.1A Pending CN105215344A (en) | 2015-11-16 | 2015-11-16 | The sliding nozzle device that a kind of refractory consumption is low |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234384A (en) * | 2015-10-27 | 2016-01-13 | 河南熔金高温材料股份有限公司 | Pneumatic pressurized ladle sliding nozzle mechanism |
| CN109482857A (en) * | 2018-12-15 | 2019-03-19 | 江苏盛耐新材料有限公司 | Lower nozzle brick equipped with compound sealing structure |
| CN109513912A (en) * | 2019-01-25 | 2019-03-26 | 河南新拓耐火材料有限公司 | A kind of ladle sliding water gap mechanism and steelmaking equipment |
| CN111321270A (en) * | 2020-03-10 | 2020-06-23 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN113000830A (en) * | 2021-02-25 | 2021-06-22 | 佟长功 | Safe refractory molten steel flow controller |
| CN113798484A (en) * | 2021-10-22 | 2021-12-17 | 宜兴市耐火材料有限公司 | Pre-compression spring box for sliding water gap mechanism |
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| CN205128909U (en) * | 2015-11-16 | 2016-04-06 | 张钧峰 | Low slide gate nozzle device of resistant material consumption |
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| US3850351A (en) * | 1973-02-12 | 1974-11-26 | Nippon Kokan Kk | Sliding nozzle assembly |
| US5360147A (en) * | 1992-10-23 | 1994-11-01 | Tokyo Yogyo Kabushiki Kaisha | Sliding nozzle for molten steel receiving vessel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234384A (en) * | 2015-10-27 | 2016-01-13 | 河南熔金高温材料股份有限公司 | Pneumatic pressurized ladle sliding nozzle mechanism |
| CN105234384B (en) * | 2015-10-27 | 2017-08-01 | 河南熔金高温材料股份有限公司 | A kind of pneumatic pressurization ladle sliding water gap mechanism |
| CN109482857A (en) * | 2018-12-15 | 2019-03-19 | 江苏盛耐新材料有限公司 | Lower nozzle brick equipped with compound sealing structure |
| CN109513912A (en) * | 2019-01-25 | 2019-03-26 | 河南新拓耐火材料有限公司 | A kind of ladle sliding water gap mechanism and steelmaking equipment |
| CN109513912B (en) * | 2019-01-25 | 2024-02-23 | 河南新拓耐火材料有限公司 | Ladle sliding gate mechanism and steelmaking equipment |
| CN111321270A (en) * | 2020-03-10 | 2020-06-23 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN111321270B (en) * | 2020-03-10 | 2021-11-12 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN113000830A (en) * | 2021-02-25 | 2021-06-22 | 佟长功 | Safe refractory molten steel flow controller |
| CN113798484A (en) * | 2021-10-22 | 2021-12-17 | 宜兴市耐火材料有限公司 | Pre-compression spring box for sliding water gap mechanism |
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Application publication date: 20160106 |