Distillation device for analyzing precious metal material

Abstract

The utility model provides a distillation device for analyzing precious metal materials, which comprises a distillation flask, a first pipeline is arranged at the top of the distillation flask and is communicated with the distillation flask, the first pipeline is vertically arranged, a liquid adding pipe is arranged at the side part of the first pipeline and is Z-shaped, a funnel is arranged at the top of the liquid adding pipe, and the bottom of the liquid adding pipe penetrates through the first pipeline and is inserted into the distillation flask; a second pipeline is arranged at the top of the first pipeline, the first pipeline and the second pipeline are communicated, the first pipeline and the liquid adding pipe are connected and integrally arranged, and a condensation pipe and a gas absorption pipe are sequentially arranged at the other end of the second pipeline. When the ICP-MS measuring device is used for ICP-MS measurement, the defects that a traditional two-absorption-liquid high-salt system greatly influences a measuring result, operation is tedious and the like can be overcome, in addition, due to the fact that precious metal such as osmium is fully cooled in the distillation process, the defect that the result is low due to the fact that osmium tetroxide which is not cooled escapes is overcome.

Description

Technical Field

[0001] This utility model belongs to the technical field of chemical testing equipment and relates to a distillation apparatus for analyzing precious metal materials. Background Technology

[0002] The distillation of osmium and ruthenium in precious metal materials typically involves absorption with acid-base absorbents followed by ICP-OES analysis. However, the presence of high-salt solutions in the absorbents significantly impacts the results, and the process is cumbersome. Furthermore, osmium is oxidized to osmium tetroxide gas, which is highly volatile and its performance is significantly affected by temperature. Traditional distillation apparatuses lack cooling, and as the temperature rises, a small amount of osmium tetroxide escapes through the glass tubing, leading to lower-than-expected results. Therefore, based on these technical shortcomings, a distillation apparatus for analyzing precious metal materials needs to be designed to address these issues. Utility Model Content

[0003] The purpose of this invention is to address the problems existing in the prior art by providing a distillation apparatus for analyzing precious metal materials. This invention solves the problems of high salt systems resulting from the use of two absorbents in the distillation process of osmium and ruthenium, and the lack of cooling conditions in traditional distillation apparatuses, which can easily lead to low measurement results if the temperature rises and osmium tetroxide escapes.

[0004] Therefore, the present invention adopts the following technical solution:

[0005] A distillation apparatus for analyzing precious metal materials includes a distillation flask, the top of which is provided with a first tube that is connected to the first tube. The first tube is vertically arranged and has a liquid addition tube on its side. The liquid addition tube is Z-shaped, with a funnel at its top and its bottom passing through the first tube and inserted into the distillation flask. The bottom end of the liquid addition tube is 1-2 cm away from the bottom surface of the distillation flask.

[0006] The first pipeline has a second pipeline at its top, and the two are connected. The first pipeline is connected to the liquid filling pipeline and is integrated with it. The other end of the second pipeline is provided with a condenser and a gas absorption pipeline in sequence.

[0007] The condenser tube includes a gas tube, and a liquid outlet tube is fitted around the outside of the gas tube. The gas tube is funnel-shaped, with its top contacting the end of the second pipeline and its other end passing through the liquid outlet tube and inserted into the gas absorption tube, with a distance of 1-3 cm between the gas tube and the bottom surface of the gas absorption tube. The length of the liquid outlet tube is less than the length of the gas tube, with its top surface contacting the bottom surface of the gas tube and its bottom surface contacting the top surface of the gas absorption tube.

[0008] Furthermore, both the condenser tube and the gas absorption tube are vertically arranged.

[0009] Furthermore, the second pipeline is U-shaped.

[0010] Furthermore, the liquid outlet pipe is provided with an inlet and an outlet on both sides, and their heights decrease sequentially along the vertical direction.

[0011] Furthermore, connecting plugs are provided at the connection points of the distillation flask and the first pipeline, the connection points of the first pipeline and the second pipeline, the connection points of the second pipeline and the gas pipeline, and the connection points of the liquid outlet pipeline and the gas absorption pipeline.

[0012] The beneficial effects of this utility model are as follows:

[0013] In use, this invention can absorb osmium, ruthenium, and other precious metals simultaneously using only one absorbent. Furthermore, when performing ICP-MS measurements, it avoids the drawbacks of traditional systems with two absorbents, where high salt content significantly affects the measurement results and the operation is cumbersome. In addition, because precious metals such as osmium are fully cooled during distillation, it improves the defect of low results caused by the escape of uncooled osmium tetroxide. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] In the diagram, 1-distillation flask, 2-liquid addition tube, 3-first pipeline, 4-, 5-condenser, 5a-gas tube, 5b-liquid outlet tube, 5c-liquid inlet, 5d-liquid outlet, 6-gas absorption tube, 7-funnel, 8-connecting plug. Detailed Implementation

[0016] The technical solution of this utility model will be described below with reference to the accompanying drawings and implementation methods.

[0017] like Figure 1 As shown, a distillation apparatus for analyzing precious metal materials includes a distillation flask 1. The top of the distillation flask 1 is provided with a first pipe 3, which is connected to the first pipe 3. The first pipe 3 is vertically arranged, and a liquid addition pipe 2 is provided on its side. A liquid addition funnel is provided at the top of the liquid addition pipe 2. The first pipe 3 and the liquid addition pipe 2 are connected and integrated. Specifically, the liquid addition pipe 2 is Z-shaped with a bending angle of 90 degrees. A funnel 7 is provided at its top, and its bottom passes through the first pipe 3 and is inserted into the distillation flask 1. The bottom end of the liquid addition pipe 2 is 1 cm away from the bottom surface of the distillation flask 1.

[0018] The top of the first pipe 3 is provided with a second pipe 4, and the two are connected. Specifically, the second pipe 4 is U-shaped, horizontally arranged, and its opening faces downward. The other end of the second pipe 4 is provided with a condenser pipe 5 and a gas absorption pipe 6 in sequence. Both the condenser pipe 5 and the gas absorption pipe 6 are vertically arranged, and the gas absorption pipe 6 is filled with gas absorption liquid.

[0019] The condenser tube 5 includes a gas tube 5a, and a liquid outlet tube 5b is sleeved on the outside of the gas tube 5a. The gas tube 5a is funnel-shaped, with its top contacting the end of the second pipe 4 and its other end passing through the liquid outlet tube 5b and inserted into the gas absorption tube 6, with a distance of 1.5 cm between it and the bottom surface of the gas absorption tube 6. The length of the liquid outlet tube 5b is less than the length of the gas tube 5a, and its top surface is in contact with the bottom surface of the gas tube 5a, while its bottom surface is in contact with the top surface of the gas absorption tube 6.

[0020] The liquid outlet pipe 5b has an inlet 5c and an outlet 5d on both sides, and the height of the two decreases sequentially along the vertical direction. After the water enters the inlet 5c, it flows out through the outlet 5d to ensure the condensation effect.

[0021] Connecting plugs 8 are provided at the connection points of the distillation flask 1 and the first pipe 3, the first pipe 3 and the second pipe 4, the second pipe 4 and the gas pipe 5a, and the liquid outlet pipe 5b and the gas absorption pipe 6; specifically, the connecting plugs 8 are made of glass and have a frosted surface.

[0022] When this invention is used for the analysis of precious metals osmium and ruthenium, its application process is as follows:

[0023] First, reagents are added to the funnel at the top of the addition tube 2. The reagents enter the distillation flask 1 through the addition tube 2 and are heated externally. At this time, the vapors of osmium tetroxide and ruthenium tetroxide reach the condenser 5 through the first pipe 3 and the second pipe 4. The gas is condensed by the flowing water and reaches the bottom of the gas absorption tube 6, where it is absorbed by the gas absorption liquid. In this invention, the gas overflow process is sealed by the connecting plug 8 to ensure that the gas is completely absorbed and does not overflow, making the analysis results more accurate.

Claims

1. A distillation apparatus for analyzing precious metal materials, characterized in that, The device includes a distillation flask (1), the top of which is provided with a first pipe (3) and the two are connected. The first pipe (3) is vertically arranged and has a liquid addition pipe (2) on its side. The liquid addition pipe (2) is Z-shaped and has a funnel (7) at its top and is inserted into the distillation flask (1) after passing through the first pipe (3) at its bottom. The top of the first pipe (3) is provided with a second pipe (4) and the two are connected. The other end of the second pipe (4) is provided with a condenser (5) and a gas absorption pipe (6) in sequence. The condenser tube (5) includes a gas tube (5a), and a liquid outlet tube (5b) is sleeved on the outside of the gas tube (5a). The gas tube (5a) is funnel-shaped, with its top contacting the end of the second pipe (4) and its other end passing through the liquid outlet tube (5b) and inserted into the gas absorption tube (6), with a distance of 1~3cm between it and the bottom surface of the gas absorption tube (6). The length of the liquid outlet tube (5b) is less than the length of the gas tube (5a), with its top surface contacting the bottom surface of the gas tube (5a) and its bottom surface contacting the top surface of the gas absorption tube (6).

2. The distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, Both the condenser (5) and the gas absorption tube (6) are arranged vertically.

3. The distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, The second pipeline (4) is U-shaped.

4. A distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, The liquid outlet pipe (5b) is provided with an inlet (5c) and an outlet (5d) on both sides, and their heights decrease sequentially along the vertical direction.

5. A distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, Connecting plugs (8) are provided at the connection points of the distillation flask (1) and the first pipeline (3), the connection points of the first pipeline (3) and the second pipeline (4), the connection points of the second pipeline (4) and the gas pipeline (5a), and the connection points of the liquid outlet pipeline (5b) and the gas absorption pipeline (6).

6. A distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, The bottom end of the liquid addition tube (2) is 1-2 cm away from the bottom surface of the distillation flask (1).

7. A distillation apparatus for analyzing precious metal materials according to claim 1, characterized in that, The first pipeline (3) is connected to the liquid filling pipe (2) and is integrated into one piece.

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