CN105716903A - Molten metal sampling device and molten metal sampling method - Google Patents
Molten metal sampling device and molten metal sampling method Download PDFInfo
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- CN105716903A CN105716903A CN201510766972.6A CN201510766972A CN105716903A CN 105716903 A CN105716903 A CN 105716903A CN 201510766972 A CN201510766972 A CN 201510766972A CN 105716903 A CN105716903 A CN 105716903A
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- molten metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Hydrology & Water Resources (AREA)
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Abstract
The present invention provides a molten metal sampling device capable of extracting a molten metal with the desired depth as a sample and a molten metal sampling method. The molten metal sampling device includes: a gas regulation portion for regulation of protective gas flowing from external gas injection device; a gas transportation portion which transmits the protective gas flowing from the gas injection device to more than one channel of molten metal inlets arranged below, and a sample storage unit for accommodating the molten metal flows through the molten metal inlet. The flow of the molten metal is prevented before the desired depth is reached, thus the molten metal samples extracted in different depths are used to perform various treatments and evaluation. Because a protective cover molten by the molten metal is not used, impurities are not mixed in the molten metal in a sampling process.
Description
Technical field
The present invention relates to a kind of molten metal sampling apparatus and the molten metal method of sampling, in further detail, it is possible to extract molten metal sampling apparatus and the molten metal method of sampling of molten metal sample in desired depth.
Background technology
In the ordinary course of things, the molten metal that fusing metal obtains is mixed with various material, accordingly, it would be desirable to quickly and accurately analyze the information of molten metal.
For this, utilize molten metal sampling apparatus to check to extract a part of molten metal.But, existing molten metal sampling apparatus cannot regulate the position (degree of depth) extracting molten metal.
At present; have been developed for a kind of when utilizing the protection lid to be made up of materials such as low-melting-point metals to block molten metal inflow entrance; molten metal sampling apparatus is injected in molten metal, wait until the extraction element that protection lid makes molten metal inject after being melted by the temperature of molten metal.But, it is mostly used in and prevents the slag on molten metal surface from flowing into, and the opportunity that after protection lid melts, molten metal flows into cannot be controlled exactly, therefore, it is impossible to be applicable to extract the molten metal of certain depth.
And, further developed the device being provided with plural molten metal sampling apparatus or molten metal inflow entrance at various height, but, this device is to develop to improve the extracted amount of molten metal, is not disclosed in and arrives the structure preventing molten metal from flowing into before certain depth.
Therefore, the sampling of existing molten metal usually cannot specify it to extract the degree of depth, its result, it is impossible to carry out the analysis of the composition etc. of molten metal according to the degree of depth.
Patent documentation 0001: the open utility model 1998-0022945 of Korea S
Patent documentation 0002: KR published patent 2009-0104154
Patent documentation 0003: U.S. Register patent 4,499,777
Summary of the invention
The present invention proposes to solve above-mentioned the problems of the prior art, it is an object of the invention to provide a kind of molten metal that can extract desired depth as the molten metal sampling apparatus of sample and the molten metal method of sampling.
To achieve these goals, molten metal sampling apparatus includes: gas adjustment portion, and it is for regulating the protective gas flowed into from outside gas injection apparatus；Gas delivery section, it is the passage of more than one molten metal inflow entrance being transferred to the protective gas flowed into from gas injection apparatus be positioned below；And sample preservation portion, it is for housing the molten metal flowed into by above-mentioned molten metal inflow entrance.
In the present invention, it is not utilize other lid etc. to block molten metal inflow entrance, but discharges the protective gas being an externally injected into from molten metal inflow entrance; thus preventing the inflow of molten metal; regulate the injection of protective gas, thereby, it is possible to extract the molten metal of desired depth.
Position and shape for sample preservation portion and molten metal inflow entrance are not limited, however, it is preferred to ground is formed as being formed on the sidewall of the specified altitude from the bottom surface in the sample preservation portion blocking bottom surface the structure of molten metal inflow entrance.At this moment, the bottom surface in sample preservation portion can be made up of removably lid, is not that integral type is closed.
Can also arranging mould, the molten metal extracted in sample preservation portion can be made specific shape by this mould.Further, gas delivery section and sample preservation portion can be provided separately, rather than are integrally formed, at this moment, it is preferable that molten metal inflow entrance is formed in separate type sample preservation portion, and the width in sample preservation portion is more than the width of gas delivery section.
Preferably, gas adjustment portion includes the adjustment valve for regulating the protective gas injected from extraneous gas injection device, when this adjustment valve is by regulating the three-way valve that the gas within gas delivery section is expelled to outside, it is possible to extract molten metal more neatly.
To achieve these goals, the molten metal method of sampling uses the molten metal sampling apparatus with said structure, extracts molten metal sample, including: make molten metal sampling apparatus enter into the entrance step in molten metal；When the molten metal inflow entrance of above-mentioned molten metal sampling apparatus arrives desired depth so that the extraction step that molten metal is flowed into by molten metal inflow entrance；And pull-out flows into the recycling step of the above-mentioned molten metal sampling apparatus having molten metal outside molten metal; wherein; in above-mentioned entrance step; the protective gas injected from outside gas injection apparatus is discharged via gas delivery section molten metal inflow entrance from below; thus; prevent molten metal from being flowed into by molten metal inflow entrance by means of protective gas; in said extracted step; stop injecting protective gas to above-mentioned gas delivery section; it is therefore desirable to the molten metal of position flowed into by molten metal inflow entrance.
At this moment, it is preferable that in extraction step, discharge, by regulating, the gas being filled in gas delivery section to outside, so that molten metal is more prone to flow into.
According to the present invention with said structure, before arriving desired depth, prevent the inflow of molten metal, thus, there is the molten metal sample utilized in various depth extraction and carry out the effect of various inspection and evaluation.
Further, owing to not using the protection lid etc. melted by molten metal, so having the remarkable result that the problem of impurity will not occur to be mixed in molten metal in sampling process.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure illustrating sampling apparatus according to embodiments of the present invention.
Fig. 2 to Fig. 5 is the schematic diagram illustrating the molten metal method of sampling according to the present embodiment.
Fig. 6 is the photo that the molten metal sampling apparatus illustrating and utilizing the present embodiment extracts the state of molten metal sample.
The analysis result curve figure of the molten metal sample that Fig. 7 and Fig. 8 is the molten metal sampling apparatus illustrating and utilizing the present embodiment and extracting method extracts at different depth.
Fig. 9 is the photo illustrating the state isolating the sample preservation portion extracting molten metal sample.
Figure 10 to Figure 12 illustrates molten metal sampling apparatus schematic diagram according to another embodiment of the present invention.
Drawing reference numeral
10: molten metal 20 slag
100: gas adjustment portion 110: gas inlet
120: regulate valve 200: gas delivery section
300: sample preservation portion 310: molten metal inflow entrance
320: mould 330: lid
S: molten metal sample
Detailed description of the invention
It is explained in detail with reference to the accompanying drawings according to embodiments of the invention.
Fig. 1 is the schematic diagram of the structure illustrating sampling apparatus according to embodiments of the present invention.
The sampling apparatus of the present embodiment is made up of gas adjustment portion 100, gas delivery section 200 and sample preservation portion 300.
Gas adjustment portion 100 has regulon.The protective gas flowed into from the gas inlet 110 being connected with outside gas injection apparatus (not shown) is transferred to the gas delivery section 200 of lower section by regulon, or prevents protective gas inflow gas delivery section 200.In the present embodiment, including regulating the adjustment valve 120 whether injecting protective gas, use the direction according to valve or protective gas guided to gas delivery section 200 or the three-way valve discharging the gas being filled in gas delivery section 200 to outside.
Gas delivery section 200 is formed as the internal tubulose for hollow form, so that from the protective gas stream of gas injection apparatus injection to lower section, it is possible to prevent gas from leaking.
Sample preservation portion 300 is the space for preserving the molten metal sample extracted, and bottom surface and side are sealed, and extracts the molten metal that the molten metal inflow entrance 310 from the certain altitude formed the bottom surface flows in the lower section of molten metal inflow entrance 310.
In the present embodiment; gas delivery section 200 and sample preservation portion 300 form as one; and; made a distinction by the molten metal inflow entrance 310 formed at the certain altitude from bottom surface; but; it is not limited to this, as long as be only expelled to the structure of outside by molten metal inflow entrance 310 from the protective gas of outside gas injection apparatus injection, then can be formed as various mode in the scope without departing from the essence of the present invention.
Fig. 2 to Fig. 5 is the schematic diagram illustrating the molten metal method of sampling according to the present embodiment.Fig. 6 is the photo that the molten metal sampling apparatus illustrating and utilizing the present embodiment extracts the state of molten metal sample.
First, with reference to Fig. 1 and Fig. 2, from the protective gas of outside gas injection apparatus inflow gas inlet 110 via, after gas delivery section 200, being expelled to molten metal 10 from molten metal inflow entrance 310.
At this moment; the effect of the protecting film blocking molten metal inflow entrance 310 is played from the protective gas of molten metal inflow entrance 310 discharge; thus, it also is able to prevent slag 20 and molten metal 10 from flowing into inside by the slag 20 on surface and the period of molten metal 10 at molten metal inflow entrance 310.
At this moment; the protective gas discharged from molten metal inflow entrance 310 is via the inside of molten metal 10; accordingly, as the kind of protective gas, select to react with molten metal 10 or be dissolved in the protective gas changing the composition of molten metal 10 in molten metal 10.
Secondly, as it is shown on figure 3, be adjusted preventing the protective gas of outside from flowing into regulating valve 120, and so that the gas being filled in gas delivery section 200 is expelled to outside.If protective gas stops flow into gas delivery section 200, then subordinate liquation inflow entrance 310 does not discharge protective gas, and therefore, molten metal 10 flows into from molten metal inflow entrance 310.Its result, when molten metal inflow entrance 310 drops to desired depth, stops the injection of protective gas, thus, it is possible to freely regulate the degree of depth extracting molten metal.At this moment, the molten metal of inflow not only fills the sample preservation portion 300 below molten metal inflow entrance 310, also fills gas delivery section 200.
It addition, simply by block the inflow of outer protection gas just can so that molten metal is flowed into by molten metal inflow entrance, but, in the present embodiment, be also configured such as the gas in gas delivery section 200 being expelled to outside.Thus, it is prevented that the problem that protective gas and the gas produced from the molten metal flowed into are filled gas delivery section 200 and hindered the extraction of molten metal.
It addition, as shown in Figure 4 and Figure 5, from molten metal, pull-out is extracted the molten metal sampling apparatus of molten metal.
Along with the height of sampling apparatus uprises, the molten metal being filled in the gas delivery section 200 above molten metal inflow entrance 310 is discharged by molten metal inflow entrance 310, at this moment, by regulating valve 120, outside air inflow gas delivery section 200, is conducive to discharging the molten metal of gas delivery section 200.Finally, when device is completely exposed to the outside of molten metal, the sample preservation portion 300 below molten metal inflow entrance 310 only leaves the molten metal of requirement.
As mentioned above, in the molten metal sampling apparatus of the present embodiment, molten metal inflow entrance 310 is formed higher than the position in sample preservation portion 300, therefore, even if again discharging without by molten metal inflow entrance 310 under curdled appearance at the molten metal sample s extracted.
As it has been described above, according to the molten metal sampling apparatus of the present embodiment and extracting method, by the method injecting protective gas before arriving desired depth at molten metal inflow entrance, it is possible to prevent molten metal from flowing into.Its result, has and can only extract the significant effect that the molten metal of desired depth is analyzed as sample exactly.
Fig. 7 and Fig. 8 is the analysis result curve figure illustrating the molten metal sampling apparatus according to the present embodiment and extracting method at the molten metal sample of different depth extraction.
The molten metal sample that the different depth in the upper strata (top) of molten metal, intermediate layer (middle) and lower floor (bottom) extracts is utilized to analyze, it is appreciated that the difference according to the degree of depth extracted, it is shown that different characteristics.Cannot extracting in the existing extraction element of position and extracting method of specified metal liquation be to obtain such analysis result.
Fig. 9 is the photo illustrating the state isolating the sample preservation portion extracting molten metal sample.
Gas delivery section and the sample preservation portion of the molten metal sampling apparatus of the above embodiments are integrally constituted, and its bottom surface is sealed, in order to analyze the sample extracted, as it can be seen, cutting sample storage unit.When cut sample preservation portion, shorten the length that molten metal sampling apparatus is overall, but can be used for extracting the molten metal of upper layer part, therefore, after blocking bottom surface, can reuse after certain height and position forms new molten metal inflow entrance.
Furthermore it is possible to be suitable for other various compositions, in order to the utilization of the sample extracted or be easily separated out sample.
Figure 10 to Figure 12 illustrates molten metal sampling apparatus schematic diagram according to another embodiment of the present invention.Here, the main distinctive points illustrated with the above embodiments, for identical content detailed.
Molten metal sampling apparatus shown in Figure 10 is provided with mould 320 in sample preservation portion 300, thus, can be mould 320 shape by sample formation while extracting molten metal.If placed at the mould of the maximum bar-shaped and/or disc-shape in sample evaluation, then can omit the operation being processed to evaluate the sample extracted.
The bottom surface in the sample preservation portion 300 of the molten metal sampling apparatus shown in Figure 11 is Unclosing structure, utilizes other removably lid 330 to block the bottom surface in sample preservation portion 300.After extracting molten metal sample, remove lid 330, thus, it is not necessary to cutting sample storage unit 300 can take out sample from below.
The sample preservation portion 300 of the molten metal sampling apparatus shown in Figure 12 and gas delivery section 200 are configured to different parts, after extracting molten metal sample, only separate sample storage unit 300 and collect sample.In this separate type, as it can be seen, the width of sample preservation portion 300 and gas delivery section 200 can be different.When the width in the sample size more therefore sample preservation portion 300 needed is wanted wide, in integral structure, it is also desirable to increase the width of gas delivery section 200, thus being difficult to operation device, but, in separate type, only increase the size in sample preservation portion (300).
Above, describe the present invention by preferred embodiment, but, the above embodiments simply illustrate the technological thought of the present invention, and those skilled in the art are in the scope without departing from the technological thought of the present invention, it is possible to carry out various change.Therefore, it should the record based on claims limits protection scope of the present invention, should not limit based on specific embodiment, be included in protection scope of the present invention with all of technological thought in its equivalency range.
Claims (11)
1. a molten metal sampling apparatus, it is characterised in that including:
Gas adjustment portion, it is for regulating the protective gas flowed into from outside gas injection apparatus；
Gas delivery section, it is the passage of more than one molten metal inflow entrance being transferred to the protective gas flowed into from gas injection apparatus be positioned below；And
Sample preservation portion, it is for housing the molten metal flowed into by above-mentioned molten metal inflow entrance.
2. molten metal sampling apparatus according to claim 1, it is characterised in that
Above-mentioned molten metal inflow entrance is formed on the sidewall of the certain altitude risen in the bottom surface in above-mentioned sample preservation portion.
3. molten metal sampling apparatus according to claim 2, it is characterised in that
The bottom surface in above-mentioned sample preservation portion is made up of removably lid.
4. molten metal sampling apparatus according to claim 1, it is characterised in that
The mould of the molten metal extracted for molding is located in above-mentioned sample preservation portion.
5. molten metal sampling apparatus according to claim 1, it is characterised in that
Above-mentioned gas delivery section and above-mentioned sample preservation portion are separated from each other setting.
6. molten metal sampling apparatus according to claim 5, it is characterised in that
Above-mentioned molten metal inflow entrance is formed in above-mentioned sample preservation portion.
7. molten metal sampling apparatus according to claim 5, it is characterised in that
The width of the width ratio above-mentioned gas delivery section in above-mentioned sample preservation portion is wider.
8. molten metal sampling apparatus according to claim 1, it is characterised in that
Above-mentioned gas adjustment portion includes regulating valve.
9. molten metal sampling apparatus according to claim 8, it is characterised in that
Above-mentioned adjustment valve is by regulating the three-way valve that can discharge the gas within above-mentioned gas delivery section to outside.
10. the molten metal sampling apparatus that a kind utilizes described in claim 1 extracts the molten metal method of sampling of molten metal sample, it is characterised in that including:
Molten metal sampling apparatus is made to enter into the entrance step in molten metal；
When the molten metal inflow entrance of above-mentioned molten metal sampling apparatus arrives desired depth so that the extraction step that molten metal is flowed into by molten metal inflow entrance；And
Outside molten metal, pull-out flows into the recycling step of the above-mentioned molten metal sampling apparatus having molten metal,
Wherein, in above-mentioned entrance step, the protective gas injected from outside gas injection apparatus is discharged via gas delivery section molten metal inflow entrance from below, thus; by means of the protective gas being discharged to prevent molten metal from being flowed into by molten metal inflow entrance
In said extracted step, stop injecting protective gas to above-mentioned gas delivery section, it is therefore desirable to the molten metal of position flowed into by molten metal inflow entrance.
11. the molten metal method of sampling according to claim 10, it is characterised in that
In said extracted step, by regulating, discharge the gas being filled in above-mentioned gas delivery section to outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0181987 | 2014-12-17 | ||
| KR20140181987 | 2014-12-17 |
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| CN105716903A true CN105716903A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510766972.6A Pending CN105716903A (en) | 2014-12-17 | 2015-11-11 | Molten metal sampling device and molten metal sampling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225845A (en) * | 2016-12-13 | 2018-06-29 | 贺利氏电测骑士国际有限公司 | For the sampler of thermometal |
| CN109141969A (en) * | 2018-08-17 | 2019-01-04 | 中国科学院上海应用物理研究所 | A kind of fused salt sampler and a kind of fused salt sampling method |
| CN113203598A (en) * | 2021-04-23 | 2021-08-03 | 长春汽车工业高等专科学校 | Sampling anti-oxidation device for molten metal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225845A (en) * | 2016-12-13 | 2018-06-29 | 贺利氏电测骑士国际有限公司 | For the sampler of thermometal |
| CN108225845B (en) * | 2016-12-13 | 2021-02-12 | 贺利氏电测骑士国际有限公司 | Sampler for hot metal |
| CN109141969A (en) * | 2018-08-17 | 2019-01-04 | 中国科学院上海应用物理研究所 | A kind of fused salt sampler and a kind of fused salt sampling method |
| CN113203598A (en) * | 2021-04-23 | 2021-08-03 | 长春汽车工业高等专科学校 | Sampling anti-oxidation device for molten metal |
| CN113203598B (en) * | 2021-04-23 | 2022-01-07 | 长春汽车工业高等专科学校 | Sampling anti-oxidation device for molten metal |
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