CN2621297Y - Super-microscale mercury element gas phase thermal chromatograph separater - Google Patents
Super-microscale mercury element gas phase thermal chromatograph separater Download PDFInfo
- Publication number
- CN2621297Y CN2621297Y CN 03262415 CN03262415U CN2621297Y CN 2621297 Y CN2621297 Y CN 2621297Y CN 03262415 CN03262415 CN 03262415 CN 03262415 U CN03262415 U CN 03262415U CN 2621297 Y CN2621297 Y CN 2621297Y
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- CN
- China
- Prior art keywords
- gas phase
- phase hot
- ultramicron
- element gas
- mercury element
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Abstract
The utility model primarily relates to an ultramicro-element separating device, in particular to an ultramicro-mercury gas phase hot chromatography separating device. The ultramicro-element gas phase hot chromatography separating device comprises an enclosure and a vacuum pump, and is primarily characterized in that the ultramicro-element separating device also comprises a target furnace, a plumbago case to place lead targets therein, and a measurement thermocouple; the plumbago case and the measurement thermocouple are arranged inside the target furnace; the target furnace is communicated with a long transfer pipe, and is provided with the measurement thermocouple; the long transfer pipe is provided with a measurement thermocouple; the end of the long transfer pipe is provided with a collector and a refrigerating plant. The utility model is used for high-sensitivity and high efficiency gas phase hot chromatography separation of ultramicro-mercury (namely, the ratio of the atomicity of the element to be separated to the atomicity of the dissolvable metal block bearer ranges from 1:10<16> to 1:10<12>). The utility model is in particular applicable for separation and collection of radioactive mercury, and has the characteristics of speediness, high sensitivity and high efficiency.
Description
Technical field:
The utility model relates generally to the tripping device of ultramicro-element, relates in particular to ultramicron mercury element gas phase hot chromatography tripping device.
Background technology:
The conventional method that the gas phase hot chromatography is separated is the multiple low boiling element mixture that is gas phase, the transfer tube that has the negative temperature gradient distribution in weak gas flow drive lower edge one transports, and can be deposited on the diverse location of transfer tube inwall according to the different adiabatic condensation temperature of each element.But,, only manage to make it from metallic carrier, to deviate from as separating the element that is included in the solid metal block.As the ultramicro-element in the reguline metal is carried out high purity separation and with high-level efficiency with it collection, be the target that the basic skills of existing gas phase hot chromatography isolation technics still can't realize.
Summary of the invention:
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of ultramicron mercury element gas phase hot chromatography tripping device is provided.
The purpose of this utility model can be by realizing by the following technical solutions: a kind of ultramicron mercury element gas phase hot chromatography tripping device, include shell (16), vacuum pump (17), its principal feature are also to include target stove (3), are provided with the graphite box (2) of placing lead target plate (1) in it; Target stove (3) communicates with longer transmission pipe (10), which is provided with to measure thermopair (5); Longer transmission pipe (10) is provided with measures thermopair (15), and its end is provided with gatherer (11) and refrigerating plant (12).
Described ultramicron mercury element gas phase hot chromatography tripping device is provided with the air inlet hair suction pipe (6) that feeds the inert protective gas helium in the target stove (3), it is connected with the tolerance control needle-valve (7) that shell (16) is provided with.Target stove (3) is included in the well heater (3-1) that is provided with the tungsten filament coiling in the body of heater (3-2).Be provided with stainless steel sleeve (19) or stainless steel shielding plate in the outside of target stove (3).The thermal-radiating effective shielding of body of heater adds the accurate measurement and the control of transfer tube cold-point temperature, has guaranteed the steady operation of hot chromatography pipe.The accurate measurement of the design of efficient heating stove and heating cabinet temperature and control have guaranteed that trace element deviates from and separate with the success of high melting-point impurity from the bulk metal carrier.
Described refrigerating plant (12) includes liquid nitrogen (14), red copper is bathed rod (13), air ring (12-1) or refrigerator.Control liquid nitrogen surface height remains on-30--10 ℃ the transfer tube cold-point temperature.
The beneficial effects of the utility model are:
The ultramicron mercury element (be separated pantogen subnumber with the ratio of the derby carrier atomicity that can melt at 1: 10
16To 1: 10
12Between) high sensitivity, efficient gas phase hot chromatography separate.
2. be particularly suitable for the separation and the collection of Mercury-197, have quick, highly sensitive, characteristics of high efficiency.
Description of drawings:
Fig. 1 looks diagrammatic cross-section for the master of the utility model embodiment 1.
Embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
Embodiment 1: Fig. 1 looks diagrammatic cross-section for the master of the utility model embodiment 1.A kind of ultramicron mercury element gas phase hot chromatography tripping device has shell 16, vacuum pump 17, and target stove 3 is provided with the graphite box 2 of placing lead target plate 1 in it.Target stove 3 communicates with longer transmission pipe 10, which is provided with to measure thermopair 5.Longer transmission pipe 10 is provided with measures thermopair 15, and its end is provided with gatherer 11 and refrigerating plant 12.Refrigerating plant 12 is made up of liquid nitrogen 14, red copper bath rod 13, air ring 12-1.Be provided with the air inlet hair suction pipe 6 that feeds the inert protective gas helium in the target stove 3, it is connected with the tolerance control needle-valve 7 that shell 16 is provided with.Target stove 3 includes the well heater 3-1 that is provided with the tungsten filament coiling in body of heater 3-2.Be provided with stainless steel sleeve 19 in the outside of target stove 3.Interface at longer transmission pipe 10 and target stove 3 is provided with quartz fibre filler 8, and its inside pipe wall is provided with tantalum paper tinsel liner 9, and length is 60-70cm.
During use, will put into the graphite box 2 of ultramicro-element gas phase hot chromatography tripping device by the lead target plate 1 of 12C bundle bombardment, 2 * 10
-3-5 * 10
-4In the mmHg vacuum environment, heating in target stove 3, heating-up temperature is 700-720 ℃.By tolerance control needle-valve 7, hair suction pipe 6 input flow rates is the faint inert protective gas He of 5ml/min.Solid metal carrier lead target plate 1 melts, and trace element is deviate from from metallic carrier, and the interface quartz fibre filler 8 by target stove 3 enters longer transmission pipe 10.End at longer transmission pipe 10 is provided with refrigerating plant 12, and control liquid nitrogen surface height remains on-30--10 ℃ the transfer tube cold-point temperature.Owing to be provided with the shielding of the tantalum paper tinsel liner 9 that is provided with on stainless steel sleeve 19 and longer transmission pipe 10 inside pipe walls in the outside of target stove 3,, guaranteed the collection temperature of gatherer 11 so longer transmission pipe 10 forms negative temperature gradient.
Claims (6)
1. a ultramicron mercury element gas phase hot chromatography tripping device includes shell (16), and vacuum pump (17) is characterized in that also including target stove (3), is provided with the graphite box (2) of placing lead target plate (1) in it; Target stove (3) communicates with longer transmission pipe (10), which is provided with to measure thermopair (5); Longer transmission pipe (10) is provided with measures thermopair (15), and its end is provided with gatherer (11) and refrigerating plant (12).
2. ultramicron mercury element gas phase hot chromatography tripping device as claimed in claim 1 is characterized in that also comprising being provided with the air inlet hair suction pipe (6) that feeds the inert protective gas helium in the target stove (3) that it is connected with the tolerance control needle-valve (7) that shell (16) is provided with.
3. as claim 1,2 described ultramicron mercury element gas phase hot chromatography tripping devices, it is characterized in that target stove (3) includes the well heater (3-1) that is provided with the tungsten filament coiling in body of heater (3-2).
4. ultramicron mercury element gas phase hot chromatography tripping device as claimed in claim 3 is characterized in that being provided with stainless steel sleeve (19) or stainless steel in the outside of target stove (3) shields plate.
5. ultramicron mercury element gas phase hot chromatography tripping device as claimed in claim 4 is characterized in that refrigerating plant (12) includes liquid nitrogen (14), red copper is bathed rod (13), air ring (12-1) or refrigerator.
6. ultramicron mercury element gas phase hot chromatography tripping device as claimed in claim 5 is characterized in that being provided with quartz fibre filler (8) at the interface of longer transmission pipe (10) and target stove (3), and its inside pipe wall is provided with tantalum paper tinsel liner (9), and its length is 50-80cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262415 CN2621297Y (en) | 2003-05-31 | 2003-05-31 | Super-microscale mercury element gas phase thermal chromatograph separater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262415 CN2621297Y (en) | 2003-05-31 | 2003-05-31 | Super-microscale mercury element gas phase thermal chromatograph separater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2621297Y true CN2621297Y (en) | 2004-06-23 |
Family
ID=34255606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03262415 Expired - Fee Related CN2621297Y (en) | 2003-05-31 | 2003-05-31 | Super-microscale mercury element gas phase thermal chromatograph separater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2621297Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100543461C (en) * | 2007-05-31 | 2009-09-23 | 中国铝业股份有限公司 | The assay method of Trace Mercury in a kind of aluminium ingot |
-
2003
- 2003-05-31 CN CN 03262415 patent/CN2621297Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100543461C (en) * | 2007-05-31 | 2009-09-23 | 中国铝业股份有限公司 | The assay method of Trace Mercury in a kind of aluminium ingot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040623 Termination date: 20120531 |