AU2021105888A4 - Automatic sample replacing device for gas extraction from solid samples - Google Patents
Automatic sample replacing device for gas extraction from solid samples Download PDFInfo
- Publication number
- AU2021105888A4 AU2021105888A4 AU2021105888A AU2021105888A AU2021105888A4 AU 2021105888 A4 AU2021105888 A4 AU 2021105888A4 AU 2021105888 A AU2021105888 A AU 2021105888A AU 2021105888 A AU2021105888 A AU 2021105888A AU 2021105888 A4 AU2021105888 A4 AU 2021105888A4
- Authority
- AU
- Australia
- Prior art keywords
- cover
- heating furnace
- solid samples
- sample
- furnace assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000007787 solid Substances 0.000 title claims abstract description 36
- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
Classifications
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
Abstract
(Figure 1)
The present disclosure relates to the technical field of gas extraction of solid samples, and
provides an automatic sample replacing device for gas extraction from solid samples. The
device includes a container body, a sample disc, a rotating motor, a gas outlet pipe, a lifting
device, a cover, a heating furnace assembly and a controller. The sample disc is located inside
the container body, an output shaft of the rotating motor is fixedly connected to a lower end of
the sample disc, an upper end of the sample disc is configured to place a plurality of solid
samples, the container body includes an on-off opening and a gas outlet, the lifting device
drives the cover to move up and down, the cover can be removably fixed to the on-off opening,
the heating furnace assembly is relatively fixed to a lower end of the cover, the heating furnace
assembly heats the solid sample, and the rotating motor, the heating furnace assembly and the
lifting device are electrically connected to the controller. The automatic sample replacing device
provided in this disclosure can heat the solid samples and extract gas generated by the solid
samples, and can automatically replace solid samples for experiment.
1/1
10
J ~ 111
9
Figure 1
Description
1/1
10
J ~ 111
9 Figure 1
[01] The present disclosure relates to the technical field of gas extraction from solid samples, and in particular, to an automatic sample replacing device for gas extraction from solid samples.
[02] At present, a glass "Christmas tree" with a heating furnace assembly is commonly used in an ultra-high vacuum laboratory for an experimental method of extracting gas from solid
samples. In this method, a solid sample is wrapped in a magnetic material and placed in a
sealed glass tree branch. In the process of replacing a sample, the sample is sucked into the
high-temperature furnace below the "Christmas tree" by a magnet, and then the sample is
heated and gas generated by the solid sample will be extracted. However, the device for gas
extraction from solid samples used in the ultra-high vacuum laboratory cannot realize automatic
sample replacing.
[03] Therefore, a new gas extraction device for solid samples is urgently desirable in the market to solve the above problem.
[04] Embodiments of the present disclosure provide an automatic sample replacing device
for gas extraction of solid samples to solve the technical problem in the prior art. The device
can automatically replace solid samples and extract gas generated by the solid samples.
[05] To achieve the foregoing objectives, the embodiments provide the following solutions.
[06] The present disclosure provides an automatic sample replacing device for gas extraction
of solid samples, which includes a container body, a sample disc, a rotating motor, a gas outlet
pipe, a lifting device, a cover, a heating furnace assembly and a controller, where the sample
disc is located inside the container body, an output shaft of the rotating motor is fixedly connected to a lower end of the sample disc, an upper end of the sample disc is configured to place a plurality of solid samples, the container body includes an on-off opening and a gas outlet, the lifting device is configured to drive the cover to move up and down, the cover may be removably fixed to the on-off opening, the heating furnace assembly is relatively fixed to a lower end of the cover, the heating furnace assembly heats the solid sample, and the rotating motor, the heating furnace assembly and the lifting device are electrically connected to the controller.
[07] Compared with the prior art, the present embodiment achieves the following technical
effects:
[08] 1. The sample disc is driven to rotate by the rotating motor to replace the solid samples;
[09] 2. The use of a silver gasket with protrusions can effectively improve the sealing effect and avoid gas outflow; and
[10] 3. The cover is moved up and down by the conveyor belt without manual operation.
[11] Figure 1 is a schematic diagram of a structure of an automatic sample replacing device
for gas extraction from solid samples according to an embodiment.
[12] List of reference numerals: 1 container body, 2 sample disc, 3 rotating motor, 4 gas
outlet pipe; 5 lifting motor; 6 conveyor belt; 7 cover; 8 gasket; 9fixing rod; 10 protrusion; and
11 heating furnace assembly.
[13] An embodiment of the present disclosure provides an automatic sample replacing
device for gas extraction of solid samples. As shown in figure 1, the embodiment shows an
automatic sample replacing device for gas extraction from solid samples, which includes a
container body 1, a sample disc 2, a rotating motor 3, a gas outlet pipe 4, a lifting device, a
cover 7, a heating furnace assembly 11 and a controller. The sample disc 2 is located in the container body 1 and is in a shape of disc. An output shaft of the rotating motor 3 isfixedly connected to a lower end of the sample disc 2. The rotating motor 3 drives the sample disc 2 to move. An upper end of the sample disc 2 is configured to place a plurality of solid samples, which are circumferentially distributed at the upper end of the sample disc 2. The container body 1 has an on-off opening and a gas outlet, where the on-off opening is located at an upper end of the container body 1, and the gas outlet is located on a side wall of the container body 1. The lifting device is configured to drive the cover 7 to move up and down. The cover 7 is removably fixed to the on-off opening, and plays a function of opening or closing the on-off opening. The heating furnace assembly 11is fixed to a lower end of the cover 7, heats the solid samples, and can be raised and lowered with the cover 7. The rotating motor 3, the heating furnace assembly 11 and the lifting device are electrically connected to the controller, and the startup and shutdown of each device is controlled by the controller.
[14] When in use, the controller controls the lifting device to drive the cover 7 down, and the cover 7 falls at the on-off opening. At this time, the heating furnace assembly 11 is located above the solid samples. Then the heating furnace assembly 11 is started to heat the solid samples. There is a certain gap between the heating furnace assembly 11 and the solid samples, such that the gas generated can outflow through the gas outlet pipe 4 to be collected. After a first solid sample is heated, the lifting device is controlled to lift the heating furnace assembly 11, and then the rotating motor 3 is controlled to rotate, such that a next solid sample rotates to a position below the heating furnace assembly 11, and then the heating furnace assembly 11 is controlled to lower. The actions are repeated.
[15] The lifting device is a common conveyor belt assembly, which specifically includes a conveyor belt 6, a lifting motor 5, a driving roller and a driven roller, where the driving roller and the driven roller are located at two ends of the conveyor belt 6, the lifting motor 5 is fixedly connected to the driving roller, the cover 7 is relatively fixed to the conveyor belt 6, and the lifting motor 5 is electrically connected to the controller. The controller controls the forward and reverse rotation of the lifting motor 5 to repeatedly move the conveyor belt 6, such that the cover 7 is driven to move up and down.
[16] To realize relative fixation of the cover 7 and the conveyor belt 6, the embodiment
further includes a fixed block, where a first end of the fixed block is fixed to the conveyor belt 6,
and a second end of the fixed block is fixed to the cover 7. The specific shape of thefixed block
may be set according to the relative positional relationship between the conveyor belt 6 and the
cover 7.
[17] For the specific structure of the heating furnace assembly 11, in the embodiment, the heating furnace assembly 11 includes a furnace body, a chromium wire, an electrode flange and
a power supply. The material of the furnace body is ceramic, and a lower end of the heating
furnace assembly 11 is provided with an opening. The chromium wire is fixed to the furnace
body. The electrode flange is fixed to the cover 7. A first end of the electrode flange is
connected to the chromium wire, and a second end of the electrode flange is electrically
connected to the power supply and the power supply is electrically connected to the controller.
The staff controls ON or OFF of the power supply by using the controller, thus realizing the
heating function of the furnace body.
[18] To improve the sealing effect, in the embodiment, the lower end of the cover 7 includes a gasket 8, an upper end of the on-off opening includes a plurality of protrusions 10. The gasket
8 is located directly opposite to the protrusion 10. When the cover 7 moves down, the
protrusions 10 are inserted into the gasket 8 to achieve the technical effect of sealing, and
portions of the gasket 8 that does not correspond to the protrusions 10 abuts against the
container body 1, thereby sealing up the on-off opening.
[19] The gasket 8 should be made of softer material. In the embodiment, the material of the
gasket 8 is silver. Those skilled in the art can also use gaskets 8 made of other materials
according to actual needs.
[20] In the embodiment, the on-off opening is in a shape of circle, the plurality of
protrusions 10 are circumferentially distributed, and the protrusions 10 are triangle in shape. A
person skilled in the art may also set the protrusions 10 to be in a shape of trapezium or cone, as
long as the protrusions 10 may be inserted into the gasket 8.
[211 To realize the relative fixation of the rotating motor 3 and the sample disc 2, the embodiment further includes a fixing rod 9 made of magnetic fluid. A first end of the fixing rod
9 is fixed to the lower end of the sample disc 2, and a second end of the fixing rod 9 is fixed to
the output shaft of the rotating motor 3. The fixing rod 9 penetrates through a bottom of the
container body 1, such that the rotating motor 3 is located below the outside of the container
body 1, which can prevent the heat generated by the heating furnace assembly 11 from affecting
the running of the rotating motor 3.
[22] The term "comprise" and variants of the term such as "comprises" or "comprising" are
used herein to denote the inclusion of a stated integer or stated integers but not to exclude any
other integer or any other integers, unless in the context or usage an exclusive interpretation of
the term is required.
Claims (5)
1. An automatic sample replacing device for gas extraction from solid samples, comprising a container body, a sample disc, a rotating motor, a gas outlet pipe, a lifting device, a cover, a heating furnace assembly and a controller, wherein the sample disc is located inside the container body, an output shaft of the rotating motor is fixedly connected to a lower end of the sample disc, an upper end of the sample disc is configured to place a plurality of solid samples, the container body has an on-off opening and a gas outlet, the lifting device is configured to drive the cover to move up and down, the cover can be removably fixed to the on-off opening, the heating furnace assembly is relatively fixed to a lower end of the cover, the heating furnace assembly heats the solid sample, and the rotating motor, the heating furnace assembly and the lifting device are electrically connected to the controller.
2. The automatic sample replacing device according to claim 1, wherein the lifting device comprises a conveyor belt, a lifting motor, a driving roller and a driven roller, wherein the driving roller and the driven roller are located at two ends of the conveyor belt, the lifting motor is fixedly connected to the driving roller, the cover is relatively fixed to the conveyor belt, and the lifting motor is electrically connected to the controller.
3. The automatic sample replacing device according to claim 2, further comprising a fixed block, wherein a first end of the fixed block is fixed to the conveyor belt, and a second end of the fixed block is fixed to the cover.
4. The automatic sample replacing device according to claim 1, wherein the heating furnace assembly comprises a furnace body, a chromium wire, an electrode flange and a power supply, wherein a lower end of the heating furnace assembly is provided with an opening, the chromium wire is fixed to the furnace body, the electrode flange is fixed to the cover, a first end of the electrode flange is connected to the chromium wire, and a second end of the electrode flange is electrically connected to the power supply electrically connected to the controller.
5. The automatic sample replacing device according to claim 1, wherein the lower end of the cover comprises a gasket, an upper end of the on-off opening comprises a plurality of protrusions, the gasket is located directly opposite to the plurality of protrusions, the on-off opening is in a shape of circular, the plurality of protrusions are circumferentially distributed, and the protrusion is in a shape of triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021105888A AU2021105888A4 (en) | 2021-08-19 | 2021-08-19 | Automatic sample replacing device for gas extraction from solid samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021105888A AU2021105888A4 (en) | 2021-08-19 | 2021-08-19 | Automatic sample replacing device for gas extraction from solid samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021105888A4 true AU2021105888A4 (en) | 2021-10-21 |
Family
ID=78177058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021105888A Ceased AU2021105888A4 (en) | 2021-08-19 | 2021-08-19 | Automatic sample replacing device for gas extraction from solid samples |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2021105888A4 (en) |
-
2021
- 2021-08-19 AU AU2021105888A patent/AU2021105888A4/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |