CN204034944U - A kind of high-efficiency atomizer for atomic absorption spectrophotometer - Google Patents
A kind of high-efficiency atomizer for atomic absorption spectrophotometer Download PDFInfo
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- CN204034944U CN204034944U CN201420502845.6U CN201420502845U CN204034944U CN 204034944 U CN204034944 U CN 204034944U CN 201420502845 U CN201420502845 U CN 201420502845U CN 204034944 U CN204034944 U CN 204034944U
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- clamp nut
- annular knurl
- feeding pipe
- sample feeding
- socketed
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Abstract
The utility model belongs to chemical analysis instrument technical field, is specifically related to a kind of high-efficiency atomizer for atomic absorption spectrophotometer.This is used for the high-efficiency atomizer of atomic absorption spectrophotometer, comprise pedestal, stainless steel twists joint soon, fixture and impact bead, stainless steel stubborn joint is soon equipped with in described pedestal side, pedestal two ends are socketed with annular knurl clamp nut one and annular knurl clamp nut three, described pedestal is built with sample feeding pipe, one end that sample feeding pipe is positioned at annular knurl clamp nut three is socketed with sample feeding pipe sleeve, on described sample feeding pipe, cover has spring, nozzle sleeve is socketed with in described annular knurl clamp nut one, nozzle sleeve is socketed with flow guide sleeve two, flow guide sleeve two end is equipped with stainless steel tube and impact bead by fixture.Its beneficial effect is: the feature firm in structure retaining all-metal glass atomizer, is convenient to install, safeguard, the corrosion resistance nebulization efficiency retaining glass atomizer arrives 30%, can adapt to the mensuration requirement of different element.
Description
Technical field
The utility model belongs to chemical analysis instrument technical field, is specifically related to a kind of high-efficiency atomizer for atomic absorption spectrophotometer.
Background technology
Atomizer is a vitals of atomic absorption spectrometer, for the atomization of flame atom absorption spectrophotography instrument or other atomic absorption spectrometer sample solutions.The parameter such as stability, nebulization efficiency of atomizer directly can affect the measurement result of atomic absorption spectroscopy.Existing atomic absorption spectrophotometer is mainly furnished with all-metal atomizer, full glass atomizer or metallic sheath glass atomizer.All-metal atomizer major part is made up of stainless steel, and what have also uses pipe in the sample introduction of precious metal alloys. and minority commercial instruments is furnished with glass atomizer.It is high that all-metal atomizer has machining accuracy, and nebulization efficiency is high, and the advantage such as firm in structure.But because the corrosion-resistant energy of metal is poor, cause long-time stability obviously to decline due to corrosion;
Existing glass atomizer and metallic sheath glass atomizer corrosion-resistant, but due to the reason of technique and configuration aspects, there is nebulization efficiency low, not easily install, the shortcomings such as easy fragmentation, the particularly parts such as air inlet glass tube, Venturi tube, outer glass tube, glass impact bead that expose of atomizer, install and easily fracture in use procedure, impaired.
In atomic absorption analysis, the solution elevating amount of atomizer and solution inhale the mensuration sensitivity that discharge rate directly affects instrument.The solution of different element and different medium needs different solution elevating amounts and solution to inhale discharge rate.The solution elevating amount of current atomizer and solution are inhaled discharge rate and are all fixed up according to ordinary circumstance by manufacturer before dispatching from the factory, and user can not regulate as required voluntarily, the serious like this performance limiting atomic absorption detecting performance.The nebulization efficiency of existing atomizer generally between 10%-18%, and is be fixed up according to general situation by manufacturer.This factor has limited the performance of atomic absorption detecting performance.
Utility model content
The utility model, in order to make up the defect of prior art, provides a kind of solution elevating amount and the continuously adjustable high-efficiency atomizer for atomic absorption spectrophotometer of solution suction discharge rate.
The utility model is achieved by the following technical solution:
A kind of high-efficiency atomizer for atomic absorption spectrophotometer, comprise pedestal, stainless steel twists joint soon, fixture and impact bead, stainless steel stubborn joint is soon equipped with in described pedestal side, pedestal two ends are socketed with annular knurl clamp nut one and annular knurl clamp nut three, described pedestal is built with sample feeding pipe, one end that sample feeding pipe is positioned at annular knurl clamp nut three is socketed with sample feeding pipe sleeve, sample feeding pipe barrel end is provided with clamp nut, described sample feeding pipe sleeve is communicated with the silicone tube outside annular knurl clamp nut three, silicone tube end is equipped with sample introduction capillary, on described sample feeding pipe, cover has spring, nozzle sleeve is socketed with in described annular knurl clamp nut one, nozzle sleeve is socketed with flow guide sleeve two, flow guide sleeve two end is equipped with stainless steel tube and impact bead by fixture.
Further, described annular knurl clamp nut three is connected to annular knurl clamp nut two with pedestal junction outer cover.
Further, described sample feeding pipe sleeve outside two ends cover has sealing ring one.
Further, described nozzle sleeve and annular knurl clamp nut one junction outer wall overlap there is sealing ring one.
Further, one end that described sample feeding pipe is positioned at flow guide sleeve two is socketed with flow guide sleeve one.
Further, sealing ring two is equipped with in the junction of described pedestal and annular knurl clamp nut one.
The beneficial effects of the utility model are: (1), retain the feature such as firm in structure of all-metal glass atomizer, are convenient to install, safeguard; (2) corrosion resistance of glass atomizer, is retained; (3), nebulization efficiency arrive 30%, performance is considerably beyond existing atomizer; (4), solution elevating amount and solution inhales discharge rate and can regulate continuously in 0ml/min-10ml/min scope, can adapt to the mensuration requirement of different element.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the profile of A-A.
In figure, 1 pedestal, 2 annular knurl clamp nut one, 3 annular knurl clamp nuts two, 4 annular knurl clamp nut three, 5 clamp nuts, 6 sample feeding pipe sleeves, 7 nozzle sleeves, 8 springs, 9 flow guide sleeve one, 10 fixtures, 11 flow guide sleeve two, 12 sample feeding pipes, 13 impact beads, 14 sample introduction capillaries, 15 silicone tubes, 16 stainless steel tubes, 17 stainless steels twist joint soon, 18 sealing ring one, 19 sealing rings two.
Detailed description of the invention
Accompanying drawing 1,2 is a kind of specific embodiment of the present utility model.A kind of high-efficiency atomizer for atomic absorption spectrophotometer of this utility model, comprise pedestal 1, stainless steel twists joint 17 soon, fixture 10 and impact bead 13, stainless steel stubborn joint 17 is soon equipped with in described pedestal 1 side, pedestal 1 two ends are socketed with annular knurl clamp nut 1 and annular knurl clamp nut 34, described pedestal 1 is built with sample feeding pipe 12, one end that sample feeding pipe 12 is positioned at annular knurl clamp nut 34 is socketed with sample feeding pipe sleeve 6, sample feeding pipe sleeve 6 end is provided with clamp nut 5, described sample feeding pipe sleeve 6 is communicated with the silicone tube 15 outside annular knurl clamp nut 34, silicone tube 15 end is equipped with sample introduction capillary 14, on described sample feeding pipe 12, cover has spring 8, nozzle sleeve 7 is socketed with in described annular knurl clamp nut 1, nozzle sleeve 7 is socketed with flow guide sleeve 2 11, flow guide sleeve 2 11 end is equipped with stainless steel tube 16 and impact bead 13 by fixture 10.
Further, described annular knurl clamp nut 34 is connected to annular knurl clamp nut 23 with pedestal 1 junction outer cover.
Further, described sample feeding pipe sleeve 6 outside two ends cover has sealing ring 1.
Further, described nozzle sleeve 7 and annular knurl clamp nut 1 junction outer wall overlap there is sealing ring 1.
Further, one end that described sample feeding pipe 12 is positioned at flow guide sleeve 2 11 is socketed with flow guide sleeve 1.
Further, described pedestal 1 is equipped with sealing ring 2 19 with the junction of annular knurl clamp nut 1.
A kind of high-efficiency atomizer for atomic absorption spectrophotometer of this utility model, operationally, the solution measured is needed to enter sample feeding pipe 12 by sample introduction capillary 14, compressed air twists via stainless steel the inner chamber that joint 17 enters sample feeding pipe sleeve 6 soon, by the nozzle ejection high velocity air at nozzle sleeve 7 after flow guide sleeve, according to venturi ejector principle, the negative pressure that the air-flow of ejection produces at a high speed drives and is ejected on glass impact bead 13 together by the liquid sucked by sample feeding pipe 12, drop is made to become vaporific particulate and atomization further, enter flame analysis thereupon, by rotating annular knurl clamp nut 34, sample feeding pipe 12 is axially seesawed during adjustment, by adjusting the relative distance of sample feeding pipe 12 end and nozzle sleeve 7 end face, adjust the flow velocity of the high velocity air sprayed via nozzle sleeve 7, reach solution elevating rising amount and solution and inhale the continuous adjustable of discharge rate, after completing adjustment, annular knurl clamp nut 23 must be locked.
The utility model is not limited to above-mentioned embodiment, anyone should learn make under enlightenment of the present utility model with the utility model, there is identical or close technical scheme, all fall within protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (6)
1. the high-efficiency atomizer for atomic absorption spectrophotometer, it is characterized in that, comprise pedestal, stainless steel twists joint soon, fixture and impact bead, stainless steel stubborn joint is soon equipped with in described pedestal side, pedestal two ends are socketed with annular knurl clamp nut one and annular knurl clamp nut three, described pedestal is built with sample feeding pipe, one end that sample feeding pipe is positioned at annular knurl clamp nut three is socketed with sample feeding pipe sleeve, sample feeding pipe barrel end is provided with clamp nut, described sample feeding pipe sleeve is communicated with the silicone tube outside annular knurl clamp nut three, silicone tube end is equipped with sample introduction capillary, on described sample feeding pipe, cover has spring, nozzle sleeve is socketed with in described annular knurl clamp nut one, nozzle sleeve is socketed with flow guide sleeve two, flow guide sleeve two end is equipped with stainless steel tube and impact bead by fixture.
2. a kind of high-efficiency atomizer for atomic absorption spectrophotometer according to claim 1, is characterized in that: described annular knurl clamp nut three is connected to annular knurl clamp nut two with pedestal junction outer cover.
3. a kind of high-efficiency atomizer for atomic absorption spectrophotometer according to claim 1, is characterized in that: described sample feeding pipe sleeve outside two ends cover has sealing ring one.
4. a kind of high-efficiency atomizer for atomic absorption spectrophotometer according to claim 1, is characterized in that: described nozzle sleeve and annular knurl clamp nut one junction outer wall overlap sealing ring one.
5. a kind of high-efficiency atomizer for atomic absorption spectrophotometer according to claim 1, is characterized in that: one end that described sample feeding pipe is positioned at flow guide sleeve two is socketed with flow guide sleeve one.
6. a kind of high-efficiency atomizer for atomic absorption spectrophotometer according to claim 1, is characterized in that: sealing ring two is equipped with in the junction of described pedestal and annular knurl clamp nut one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502845.6U CN204034944U (en) | 2014-09-03 | 2014-09-03 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502845.6U CN204034944U (en) | 2014-09-03 | 2014-09-03 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204034944U true CN204034944U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420502845.6U Active CN204034944U (en) | 2014-09-03 | 2014-09-03 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872384A (en) * | 2017-04-07 | 2017-06-20 | 北京瀚时仪器有限公司 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
| CN109709054A (en) * | 2019-01-21 | 2019-05-03 | 广西科技大学鹿山学院 | Flame atomic absorption spectrophotometer aeration sample introduction regulating device |
-
2014
- 2014-09-03 CN CN201420502845.6U patent/CN204034944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872384A (en) * | 2017-04-07 | 2017-06-20 | 北京瀚时仪器有限公司 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
| CN109709054A (en) * | 2019-01-21 | 2019-05-03 | 广西科技大学鹿山学院 | Flame atomic absorption spectrophotometer aeration sample introduction regulating device |
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