CN102009150A - Liquid level control method and device for casting tundish - Google Patents
Liquid level control method and device for casting tundish Download PDFInfo
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- CN102009150A CN102009150A CN 201010594735 CN201010594735A CN102009150A CN 102009150 A CN102009150 A CN 102009150A CN 201010594735 CN201010594735 CN 201010594735 CN 201010594735 A CN201010594735 A CN 201010594735A CN 102009150 A CN102009150 A CN 102009150A
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- liquid level
- near switch
- floating ball
- tundish
- melt
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Abstract
The invention discloses a liquid level control method and device for a casting tundish. The liquid level control method comprises the following steps: a ball-floating device is arranged in the casting tundish (1) and drives a cross rod to control triggering of an upper proximity switch and a lower proximity switch; the upper proximity switch and the lower proximity switch are electrically connected with a melt pump so as to realize on/off of the melt pump; and the installation positions of the two proximity switches are adjusted according to the actual production demand so as to ensure liquid level fluctuation within an allowable range. By adopting the liquid level control method and the device, the liquid level of the melt in the casting tundish can be maintained within a certain range so that the casting flow of the melt is basically stable, thus guaranteeing the ingoting production efficiency and the ingoting quality, and improving the production safety. The liquid level control method is simple, practical and applicable to the actual production.
Description
Technical field
The present invention relates to a kind of liquid level controlling method, particularly relate to a kind of cast tundish melt of controlling and be stabilized in the interior method of certain liquid level scope, the invention still further relates to the device of this method of realization.
Background technology
In metal continuous pouring process, basicly stable in order to guarantee to pour into a mould flow, need to keep the interior liquid level of cast tundish basicly stable.And at present the actual practice in the industrial production is: judge melt level height in the tundish by observing changes in flow rate, thereby by the rotating speed of regulating Melt Pump, the output flow of regulating pump, reach the purpose that contracts out the stream stability of flow in the middle of keeping.Owing to regulate existence hysteresis, dependence experience, insecure problem again by manual observation, be prone to throughput rate, quality problem of unstable in the production.It is serious to cross low tundish oxidative slagging as liquid level, can cause the product quality of ingot casting to descend, and also can aggravate dragging for the slag time of workman simultaneously, influences production efficiency; Too high as liquid level, cause flow excessive, can force and cause the workman to accelerate poring rate, go out ingot speed, easily cause work rhythm mismatch, have an accident.
Summary of the invention
First technical problem to be solved by this invention provides a kind of liquid level controlling method of controlling the stable within the specific limits cast tundish of the interior melt level of tundish.
Second technical problem to be solved by this invention provides a kind of device of realizing controlling the liquid level controlling method of the stable within the specific limits cast tundish of melt level in the tundish.
In order to solve above-mentioned first problem, the liquid level controlling method of cast tundish provided by the invention, in the cast tundish, a floating ball device is set, drive a cross bar by floating ball device and control two triggerings near switch of installing up and down, install up and down two are electrically connected with Melt Pump near switch, thereby realize the ON/OFF of Melt Pump, two installation sites near switch are regulated according to the production actual demand, have guaranteed that liquid level fluctuates in the scope of permission.
In order to solve above-mentioned second technical problem, the device of the liquid level controlling method of realization cast tundish provided by the invention, comprise cast tundish and Melt Pump, in described cast tundish, be provided with a floating ball device, on being provided with that upper-lower position installs near switch bracket near switch with down near switch, described going up near switch is electrically connected with the control system of described Melt Pump near switch with following, described floating ball device is provided with the liquid level marker post, and described liquid level marker post is in described going up near switch with down near between the switch.
Described floating ball device is to be provided with a floating ball rod in described cast tundish, and the bottom of described floating ball rod is provided with a ball float, and the top of described floating ball rod is connected with described liquid level marker post.
Adopt the liquid level controlling method and the device thereof of the cast tundish of technique scheme, its concrete operation principle is as follows: after system powers on, Melt Pump work, by feed tube melt conveying in the cast tundish, when melt level floats floating ball device and makes the liquid level marker post reach position near switch, go up near switch triggering, control system control Melt Pump quits work, make the cast tundish stop feed liquor, when the casting process floating ball device makes the liquid level marker post drop to position near switch, down near switch triggering, control system starts Melt Pump and starts working, the input melt is to the cast tundish, when melt made the liquid level marker post arrive upward near the position of the switch, Melt Pump quit work again.So circulation guarantees that the liquid level in the cast tundish keeps within the specific limits in casting process, guarantee the suboxides of cast stability of flow and melt.
Advantage of the present invention and good effect:
1, cast tundish liquid level control technology has reduced the generation of the oxidizing slag of alloy liquation, and product quality obviously improves;
The phenomenon of 2, avoided melt input overfill, overflowing from the cast tundish has reduced the material that the melt remelting causes, the energy, manpower waste;
3, save the intervention of manually casting process being poured into a mould the liquid level of tundish, reduced the randomness of labour intensity and production process.
In sum, the present invention keeps within the specific limits the interior melt level of cast tundish, makes the melt cast flow basicly stable, ensures the inferior and quality of production efficiency of ingot casting, improves the security of production.This method is simple, practical, is easy for producing actual.
Description of drawings
Fig. 1 is an apparatus structure schematic diagram of the present invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
The liquid level controlling method of the cast tundish that the present invention adopts, in cast tundish 1, a floating ball device is set, drive a cross bar by floating ball device and control two triggerings near switch of installing up and down, install up and down two are electrically connected with Melt Pump near switch, thereby realize the ON/OFF of Melt Pump, two installation sites near switch are regulated according to the production actual demand, have guaranteed that liquid level fluctuates in the scope of permission.
Referring to Fig. 1, cast tundish 1 is installed on the cast tundish support 10, cast tundish 1 is connected with the feed tube 2 that is connected with Melt Pump, cast tundish 1 is provided with stopper rod 4, stopper rod 4 is provided with handle 3, in cast tundish 1, be provided with a floating ball rod 9, the bottom of floating ball rod 9 is provided with a ball float 11, the top of floating ball rod 9 is connected with liquid level marker post 6, on being provided with that upper-lower position installs near switch bracket 8 near switch 5 with down near switch 7, upward be electrically connected with the control system of Melt Pump near switch 7 with following near switch 5, liquid level marker post 6 is near switch 5 with down near between the switch 7.
Referring to Fig. 1, cast tundish 1 goes out flow quantity and regulates stopper rod 4 controls by manual rotary handle 3, liquid level marker post 6, is controlled in the cast tundish 1 melt level by the work of control system control Melt Pump and is changed near in switch 5 and the following position range near switch 7 last near switch 5 with cooperates near switch 7 down with last.After system powers on, Melt Pump work, by feed tube 2 melt conveying in cast tundish 1, when melt level floats ball float 11, when ball float 11 makes liquid level marker post 6 reach position near switch 5 by floating ball rod 9, go up near switch 5 and trigger, control system control Melt Pump quits work, make cast tundish 1 stop feed liquor, when casting process ball float 11 makes liquid level marker post 6 drop to position near switch 7 by floating ball rod 9, trigger near switch 7 down, control system starts Melt Pump and starts working, the input melt is to cast tundish 1, and when melt made the 6 rising arrival of liquid level marker post go up near switch 5 positions, Melt Pump quit work again.So circulation guarantees that the liquid level in the cast tundish 1 keeps within the specific limits in casting process, guarantee the suboxides of cast stability of flow and melt.
Claims (3)
1. liquid level controlling method of pouring into a mould tundish, it is characterized in that: in cast tundish (1), a floating ball device is set, drive a cross bar by floating ball device and control two triggerings near switch of installing up and down, install up and down two are electrically connected with Melt Pump near switch, thereby realize the ON/OFF of Melt Pump, two installation sites near switch are regulated according to the production actual demand, have guaranteed that liquid level fluctuates in the scope of permission.
2. realize the device of the liquid level controlling method of the described cast tundish of claim 1, comprise cast tundish (1) and Melt Pump, it is characterized in that: in described cast tundish (1), be provided with a floating ball device, on near switch bracket (8), be provided with the last of upper-lower position installation near switch (5) with down near switch (7), describedly go up near switch (5) and time be electrically connected near the control system of the described Melt Pump of switch (7 with), described floating ball device is provided with liquid level marker post (6), and described liquid level marker post (6) is in described going up near switch (5) with down near between the switch (7).
3. the device of the liquid level controlling method of realization cast tundish according to claim 2, it is characterized in that: described floating ball device is to be provided with a floating ball rod (9) in described cast tundish (1), the bottom of described floating ball rod (9) is provided with a ball float (11), and the top of described floating ball rod (9) is connected with described liquid level marker post (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594735 CN102009150A (en) | 2010-12-17 | 2010-12-17 | Liquid level control method and device for casting tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594735 CN102009150A (en) | 2010-12-17 | 2010-12-17 | Liquid level control method and device for casting tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102009150A true CN102009150A (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010594735 Pending CN102009150A (en) | 2010-12-17 | 2010-12-17 | Liquid level control method and device for casting tundish |
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| CN (1) | CN102009150A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974788A (en) * | 2012-12-12 | 2013-03-20 | 青岛云路新能源科技有限公司 | Liquid level control system of belt spraying packet and realization method thereof |
| CN104043800A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Tracking device for forecasting of slag discharge of continuous casting crystallizer and measuring of tonnage of tundish molten steel |
| CN108817099A (en) * | 2018-06-06 | 2018-11-16 | 莱芜钢铁集团电子有限公司 | A kind of control method of wet-leveling liquid disengaging feed tank, apparatus and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150579Y (en) * | 1992-12-22 | 1993-12-22 | 广州经济技术开发区中科联系统工程公司 | Intelligent controller for automobile |
| CN101254533A (en) * | 2008-03-18 | 2008-09-03 | 中南大学 | Constant fluid level control device of fused mass box for casting |
| CN201562177U (en) * | 2009-12-14 | 2010-08-25 | 洛阳栾川钼业集团股份有限公司 | Medical liquid level control device |
-
2010
- 2010-12-17 CN CN 201010594735 patent/CN102009150A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150579Y (en) * | 1992-12-22 | 1993-12-22 | 广州经济技术开发区中科联系统工程公司 | Intelligent controller for automobile |
| CN101254533A (en) * | 2008-03-18 | 2008-09-03 | 中南大学 | Constant fluid level control device of fused mass box for casting |
| CN201562177U (en) * | 2009-12-14 | 2010-08-25 | 洛阳栾川钼业集团股份有限公司 | Medical liquid level control device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974788A (en) * | 2012-12-12 | 2013-03-20 | 青岛云路新能源科技有限公司 | Liquid level control system of belt spraying packet and realization method thereof |
| CN102974788B (en) * | 2012-12-12 | 2014-12-10 | 青岛云路新能源科技有限公司 | Liquid level control system of belt spraying packet and realization method thereof |
| CN104043800A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Tracking device for forecasting of slag discharge of continuous casting crystallizer and measuring of tonnage of tundish molten steel |
| CN104043800B (en) * | 2013-03-15 | 2016-04-27 | 宝山钢铁股份有限公司 | Continuous cast mold slag forecast and Metal in Tundish measuring tonnage tracking means |
| CN108817099A (en) * | 2018-06-06 | 2018-11-16 | 莱芜钢铁集团电子有限公司 | A kind of control method of wet-leveling liquid disengaging feed tank, apparatus and system |
| CN108817099B (en) * | 2018-06-06 | 2019-11-01 | 莱芜钢铁集团电子有限公司 | A kind of control method of wet-leveling liquid disengaging feed tank, apparatus and system |
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Application publication date: 20110413 |