JPH0119089Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a molten metal sampling device for collecting a sample for analysis at an arbitrary depth in molten metal.

[Prior Art] Conventionally, in steel works and the like, it has been difficult to collect samples for analysis at arbitrary depths from the surface of molten metal due to the lack of suitable samplers. The main reason for this inability to collect is
A cap made of thin steel plate is usually attached to the sampling port of the sampler, but since this cap is removed by melting the molten metal by heat, it is extremely difficult to control the melting of the cap at a predetermined depth. It's for a reason.

[Purpose of the invention] An object of the invention is to provide a molten metal sampling device that eliminates the above-mentioned drawbacks and that makes it possible to easily collect a sample for analysis at any depth of the molten metal.

[Summary of the invention] The gist of the invention to achieve the above objectives is as follows:
A molten metal sample collection container with an open top, a heat-resistant cylinder housing the collection container and having a sample introduction port slightly above the collection container, and closing the sample introduction port of the cylinder from the inside. This is a molten metal sampling device characterized by comprising a blocker and a removal means for removing the blocker.

[Embodiments of the invention] The invention will be described in detail based on illustrated embodiments.

In FIG. 1, reference numeral 1 denotes, for example, a cup-shaped metal sample collection container, which is attached to the bottom of a long steel pipe 2 with a bottom. A sample introduction port 3 is perforated in the horizontal direction in a portion of the steel pipe 2 slightly above the collection container 1, and a closure body made of, for example, a paper tube is provided inside the hole to close the sample introduction port 3. 4 is slidably fitted. And in this blocker 4,
A wire 5 made of, for example, piano wire is attached for pulling the closure body 4 upward, and this wire 5 is passed through the steel pipe 2 and connected to an upper handle (not shown). Note that a heat-resistant material 6 is coated around the steel pipe 2 as necessary.

Since the embodiment of the present invention has the above-mentioned configuration, the steel pipe 2 is immersed in the molten metal to an arbitrary depth, and then
When the wire 5 is pulled up by the handle, the closure body 4 moves upward within the steel pipe 2, as shown in FIG.
The molten metal at that position flows into the interior through the sample introduction port 3 and fills the collection container 1.

In this case, if the depth to be immersed is marked on the outside of the steel pipe 2, the steel pipe 2 can be immersed while being pushed to a predetermined depth while being visually checked. When immersed in molten metal, the closing body 4 is directly exposed to high-temperature molten metal from the sample introduction port 3. However, if the closing body 4 is made of a paper tube as in the embodiment, the paper tube The moisture inside reacts with the molten metal to form a splash, and the molten metal is sent to the blocker 4.
Since it does not adhere to the surface, it does not interfere with the upward pulling of the obturator 4.

When the collection container 1 is filled with molten metal, pull up the steel pipe 2, then cut the steel pipe 2 to take out the collection container 1, and take out the solidified sample in the collection container 1 to obtain a sample for analysis. Obtainable.

Note that the steel pipe 2 housing the collection container 1 is not necessarily a metal pipe, but may be a paper pipe as long as the surrounding area is sufficiently heat-resistant coated. In addition, the closure body 4
It is also possible to stick it inside the sample introduction port 3 and peel it off using the wire 5.

[Effects of the invention] As explained above, the molten metal sampling device according to the invention includes a closing body that closes the sample introduction port, and closes the closing body when the sample introduction port reaches an arbitrary depth. Since the molten metal can be removed and guided into the collection container, it becomes possible to easily collect a sample for analysis at a desired depth.

[Brief explanation of the drawing]

The drawings show an embodiment of the molten metal sampling device according to the present invention, and FIG. 1 is a longitudinal cross-sectional view thereof, and FIG. 2 is a longitudinal cross-sectional view when the closing body is moved. Reference numeral 1 is a sample collection container, 2 is a steel pipe, 3 is a sample introduction port, 4 is a closure body, and 5 is a wire.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A molten metal sample collection container with an open top, a heat-resistant cylinder housing the collection container and having a sample introduction port slightly above the collection container, and the cylinder. 1. A molten metal sampling device comprising: a closing body for closing a sample introduction port from the inside; and a removing means for removing the closing body. 2. The molten metal sampling device according to claim 1, wherein the closing body is a paper tube that is slidably movable within the cylindrical body. 3 Utility model registration claim 1 in which the means for removing the obstructing body is upward pulling using a wire
The molten metal sampling device described in paragraph. 4. The molten metal sampling device according to claim 1, wherein markings are provided on the outside of the cylindrical body to indicate the depth of immersion into the molten metal.