CN102796849B - Device for automatically performing temperature measurement and sampling on molten steel under vacuum state - Google Patents
Device for automatically performing temperature measurement and sampling on molten steel under vacuum state Download PDFInfo
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- CN102796849B CN102796849B CN201210311528.1A CN201210311528A CN102796849B CN 102796849 B CN102796849 B CN 102796849B CN 201210311528 A CN201210311528 A CN 201210311528A CN 102796849 B CN102796849 B CN 102796849B
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Abstract
The invention discloses a device for automatically performing temperature measurement and sampling under a vacuum state. A multistage hydraulic cylinder is fixedly mounted on the upper end of a body; a temperature measurement lance and a sampling lance are connected with a piston rod of the multistage hydraulic cylinder through a connector; the lower end of the body is respectively provided with a balancing device, a sealing cover and an operation hole; and the bottom end of the body is connected with a smelting furnace through a flange, wherein the temperature measurement lance and the sampling lance are connected with the threaded piston rod of the multistage hydraulic cylinder through the connector in the body, the sealing cover is mounted in the body, and the operation hole is arranged on one side of the body. The device provided by the invention has the characteristics of simple structure, low cost, convenience in use and operation, stable operation and no furnace blowout, and solves the problem that molten metal under a vacuum state can not be subjected to temperature measurement and sampling in the metal smelting process in a long time. Besides, single-lance operation or multi-lance operation can be realized, and the production efficiency is high. Due to hydraulic transmission, the device provided by the invention has high temperature measurement and sampling success rates, is stable in operation, avoids shaking and other problems during manual operation and can be widely used in the metal smelting industry.
Description
Technical field
The present invention relates to vacuum metling utensil, be specifically related to a kind of under vacuum state the device of automatic temperature measurement and liquid steel sampling.
Background technology
At present, under vacuum during metal smelting, in order to guarantee that molten metal remains under vacuum state always, cannot detect temperature and the composition of molten metal in molten bath, if molten steel is in VOD external refining process, because the carbon content in oxygen blast process in molten steel is constantly to decline, from process for making, to guarantee in molten steel that the content of C and the temperature of molten steel are in target value as far as possible, to guarantee carrying out smoothly of follow-up work link, so in reality, be starved of a kind of can be under vacuum state, extract a kind of device of molten steel sample and detection liquid steel temperature, detect where necessary liquid steel temperature, extract the sample of molten steel.But under current metallurgical equipment condition, if detect liquid steel temperature, extraction molten steel sample, must be under atmospheric condition, if detect liquid steel temperature in vacuum metling process, extraction molten steel sample, after must destroying vacuum, open vacuum container cover and could detect the temperature of molten steel and to liquid steel sampling, cause and can not smelt continuously, detection time is long, complicated operation; If sample composition and temperature do not reach metallurgical effect, existence also needs to restart vacuum apparatus or other equipment carries out smelting operation again to molten steel, the defect that also causes a large amount of wastes of the energy and productivity significantly to reduce.Under current technical qualification, under vacuum, automatic temperature measurement sampling does not have the precedent realizing.Be particularly on some jumbo metallurgical furnaces, have because equipment volume is large the defects such as the length of thermometric sampling gun and weight increase.
Summary of the invention
The object of this invention is to provide a kind of simple in structurely, cost is low, use and easy to operate, stable, not blowing out, the thermometric of molten metal and sampling are achieved a kind of under vacuum state the device of automatic temperature measurement and liquid steel sampling.
In order to fill up the deficiencies in the prior art, technical scheme of the present invention is to solve like this: a kind of under vacuum state the device of automatic temperature measurement and liquid steel sampling by multistage hydraulic cylinder, body, temperature-measuring gun, sampling gun, equilibrator, sealing cover and handle hole form, special character of the present invention is that described multistage hydraulic cylinder is fixedly installed in body upper end, described temperature-measuring gun is connected with the piston rod of multistage hydraulic cylinder by linker with sampling gun, body lower end arranges respectively equilibrator, sealing cover and handle hole, described body bottom is connected with smelting furnace by flange, wherein, described temperature-measuring gun is connected with the piston rod of multistage hydraulic cylinder with holder or screw thread by linker in body interior with sampling gun, described sealing cover is installed on body interior, described body one side arranges a handle hole.
Described body is the container of independent closed.
Described handle hole and sealing cover are step-by-step operation structure, and described stepped start-stop system is that both opening/closing times are out that one closes or one closes one and open, and both can not open simultaneously.
The invention solves under vacuum state in Metal smelting process the sampling of molten metal and the test problems of temperature.Adopt multistage hydraulic cylinder as propulsion source, drive temperature-measuring gun and sampling gun, measure the temperature of metallic solution and molten metal is sampled insert molten steel under vacuum state in.
Beneficial effect of the present invention is: adopt multi-stage expansion hydro-cylinder as propulsion source, drive temperature-measuring gun and sampling gun, and pressure equaliser is set, make under vacuum state, the thermometric of molten metal and sampling to be achieved.Solved for a long time in Metal smelting process, can not be to the molten metal thermometric under vacuum state and a difficult problem for sampling.
The present invention has following characteristics;
1, device height is low.With respect to smelting furnace, this device is installed does not increase smelting furnace total height, need not increase factory building height.
2, can realize once single rifle or multiple gun operation, improve production efficiency.
3, reliability is high, and this device is owing to adopting hydrostatic transmission, stable, the problems such as the shake while there is no manual operation, and thermometric, sampling success ratio are high, are widely used in Metal smelting industry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Accompanying drawing is embodiments of the invention.
Below in conjunction with accompanying drawing, summary of the invention is further elaborated:
A kind of under vacuum state the device of automatic temperature measurement and liquid steel sampling by multistage hydraulic cylinder, body, temperature-measuring gun, sampling gun, equilibrator, sealing cover and handle hole form, described multistage hydraulic cylinder 1 is fixedly installed in body 5 upper ends, described temperature-measuring gun 3 is connected with the piston rod of multistage hydraulic cylinder 1 by linker 2 with sampling gun 4, body 5 lower ends arrange respectively equilibrator 6, sealing cover 7 and handle hole 8, described body 5 bottoms are connected with smelting furnace by flange, wherein, described temperature-measuring gun 3 is connected with the piston rod of multistage hydraulic cylinder 1 with holder or screw thread by linker 2 in body 5 inside with sampling gun 4, described sealing cover 7 is installed on body 5 inside, described body 5 one sides arrange a handle hole 8.
Described body is the container of independent closed.
Described handle hole and sealing cover are step-by-step operation structure, and described step-by-step operation structure is to be out time that both open and close that one closes or one closes one and open, and both can not open simultaneously.
During operation, first by equilibrator 6, to the interior inflation of body 5, make body 5 internal and external pressure balances (reaching barometric point), then the even head of thermometric and sampler are installed in opening operation hole 8, behind shutoff operation hole 8, then by equilibrator 6, make the pressure equilibrium (reaching vacuum state) of body 5 inside and smelting furnace inside, open sealing cover 7, hydraulic cylinder piston rod stretches out and drives temperature-measuring gun 3 and sampling gun 4 to insert in molten metal, by the idol head of temperature-measuring gun, measure temperature the sampling in molten metal, realize once single rifle or multiple gun operation, after finishing, hydraulic cylinder piston rod is retracted, and close sealing cover 7, thermometric, sampling finishes, the even head of sample change the outfit new sampling gun and temperature-measuring gun is taken out in opening operation hole 8.So far a working cycle finishes.
Handle hole and sealing cover are step-by-step operation structure, when opening operation hole, close in advance sealing cover, while needing thermometric sampling, shift to an earlier date shutoff operation 8 holes, open sealing cover 7, guarantee that in opening operation hole 8 do not damage the vacuum of smelting furnace inside while changing the even head of thermometrics and sampler.
Claims (3)
1. the device of automatic temperature measurement and liquid steel sampling under a vacuum state, this device is by multistage hydraulic cylinder, body, temperature-measuring gun, sampling gun, equilibrator, sealing cover and handle hole form, it is characterized in that described multistage hydraulic cylinder (1) is fixedly installed in body (5) upper end, described temperature-measuring gun (3) is connected with the piston rod of multistage hydraulic cylinder (1) by linker (2) with sampling gun (4), body (5) lower end arranges respectively equilibrator (6), sealing cover (7) and handle hole (8), described body (5) bottom is connected with smelting furnace by flange, wherein, described temperature-measuring gun (3) is connected with the piston rod of multistage hydraulic cylinder (1) with holder or screw thread by linker (2) in body (5) inside with sampling gun (4), described sealing cover (7) is installed on body (5) inside, described body (5) one sides arrange a handle hole (8).
2. the device of a kind of automatic temperature measurement and sampling under vacuum state according to claim 1, is characterized in that described body is the container of independent closed.
According to claim 1 a kind of under vacuum state the device of automatic temperature measurement and liquid steel sampling, it is characterized in that described handle hole and sealing cover are step-by-step operation structure, described stepped start-stop system is that both opening/closing times are out that one closes or one closes one and open, and both can not open simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210311528.1A CN102796849B (en) | 2012-08-29 | 2012-08-29 | Device for automatically performing temperature measurement and sampling on molten steel under vacuum state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210311528.1A CN102796849B (en) | 2012-08-29 | 2012-08-29 | Device for automatically performing temperature measurement and sampling on molten steel under vacuum state |
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| CN102796849A CN102796849A (en) | 2012-11-28 |
| CN102796849B true CN102796849B (en) | 2014-03-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155018B (en) * | 2014-07-02 | 2016-09-28 | 东北大学 | A kind of temperature measuring equipment for measuring hydraulic pressure tension force warm-rolling machine rolled piece temperature and method |
| CN104897435B (en) * | 2015-06-17 | 2018-02-02 | 马鞍山市东江冶金材料有限公司 | A kind of frock for making molten steel sampler and its method for making molten steel sampler |
| CN106017993B (en) * | 2016-05-17 | 2019-11-26 | 沈阳理工大学 | Metal bath sampling equipment |
| CN107764594A (en) * | 2017-11-20 | 2018-03-06 | 中国重型机械研究院股份公司 | A kind of VOD swing types molten steel automatic temperature measurement sampler |
| CN107748089B (en) * | 2017-12-07 | 2020-09-15 | 华东理工大学 | Sampling device, sampling method and application for determining solubility of metal in molten salt |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213284U (en) * | 1987-09-14 | 1988-09-14 | 北京钢铁学院 | Mini multi function vacuum induction furnace |
| CN202744590U (en) * | 2012-08-29 | 2013-02-20 | 西安前沿重型工业工程技术有限公司 | Device for automatically measuring temperature and sampling molten steel in vacuum state |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7514439L (en) * | 1975-01-18 | 1976-07-19 | Standard Messo Duisburg | DEVICE FOR TEMPERATURE SATURATION AND / OR SAMPLING |
| JPS59219408A (en) * | 1983-05-27 | 1984-12-10 | Nippon Steel Corp | Temperature measuring and sampling device in vacuum refining furnace |
| JPS6067616A (en) * | 1983-09-22 | 1985-04-18 | Nippon Steel Corp | Temperature measuring/sampling apparatus in vacuum refining furnace |
| DE102009019568A1 (en) * | 2009-05-02 | 2010-11-11 | Sms Mevac Gmbh | Measuring lance device for a molten metal for vacuum treatment in a degassing vessel |
-
2012
- 2012-08-29 CN CN201210311528.1A patent/CN102796849B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213284U (en) * | 1987-09-14 | 1988-09-14 | 北京钢铁学院 | Mini multi function vacuum induction furnace |
| CN202744590U (en) * | 2012-08-29 | 2013-02-20 | 西安前沿重型工业工程技术有限公司 | Device for automatically measuring temperature and sampling molten steel in vacuum state |
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| CN102796849A (en) | 2012-11-28 |
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