CN209727765U - Atomic fluorescence analysis atomizer and atomic fluorescence analyzing device - Google Patents
Atomic fluorescence analysis atomizer and atomic fluorescence analyzing device Download PDFInfo
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- CN209727765U CN209727765U CN201821776004.9U CN201821776004U CN209727765U CN 209727765 U CN209727765 U CN 209727765U CN 201821776004 U CN201821776004 U CN 201821776004U CN 209727765 U CN209727765 U CN 209727765U
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- furnace
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- furnace core
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Abstract
The utility model provides a kind of atomic fluorescence analysis atomizer and atomic fluorescence analyzing device, the atomizer includes furnace body support, furnace core, the quartzy furnace being set in furnace core and the furnace body outer cover being set in outside furnace core, ceramic cover plate, the components such as electric furnace heating wire, the furnace core and furnace body outer cover are made of insulation heat-resisting nonmetallic materials, it is clamped between the component or fixed without being screwed, do not needed after stopping working cooling can integral disassembly, assembly maintenance, and overcome the phenomenon that baseline drift that instrument is easy to generate in the excessively high working environment of temperature, entirety improves the quality of atomizer, become the atomic fluorescence analyzing device to update with the instrument of its assembly.
Description
Technical field
The utility model belongs to analytical chemistry field, is related to atomic fluorescence analyzing device and its component, in particular to original
The improvement of atomizer in sub- fluorescent analysis apparatus.
Background technique
Atomic fluorescence analysis is widely used in trace As, Sb, Bi, Hg, the measurement of the elements such as Se.Basic principle is, in acid
Property medium (usually hydrochloric acid) in element to be measured ion and strong reductant (usually potassium borohydride or sodium borohydride) act on, quilt
It is reduced into gaseous hydride or atom, while generating a large amount of hydrogen.Hydride molecule is dissociated into ground state original in high temperature hydrogen flame
Son, and the radiation for the light source specific frequency that is excited is excited to upper state, since high level is extremely unstable, excited atom exists
Launch the fluorescence of characteristic wavelength during deexcitation in the form of light radiation.Fluorescence intensity is related to the concentration of element to be measured,
Its fluorescence signal, which is measured, by detector (usually photomultiplier tube) obtains the concentration of tested element.
Atomic fluorescence analyzing device (also referred to as atomic fluorescence detector, atomic fluorescence spectrophotometer, the atom designed according to principles above
Fluorescence Spectrometer) it mainly include transfusion system, steam generation systems (or reactor), atomizer, excitation light source and detection
Several parts of system.Test solution and reducing agent are transmitted by transfusion system and are carried to be sent into reactor by carrier fluid (also referred to as current-carrying) and sent out
Biochemical reaction, the gaseous hydride molecule and hydrogen of generation, enters atomizer under the carrier band of carrier gas (usually argon gas).
The atomization of hydride relies on the high temperature of hydrogen flame, and atomization process is used for reference atomizer and completed.Atomizer packet
It includes furnace body, the conventional components such as furnace silk at the quartzy furnace and Quartz stove tube mouth that are placed in one, is fastened mostly using screw between component,
Dismount inconvenient maintenance；Existing furnace body is made of metal material, and lasting hydrogen flame makes furnace body be constantly in high temperature shape in detection
State, furnace body temperature height not only make instrument overall work environment temperature increase and influence service life, more seriously working environment
Temperature raising causes baseline drift and influences to detect；In addition, being needed in Quartz stove tube mouth with thick stone in existing atomizer
Cotton pad props up the furnace silk for being located at nozzle, just can ensure that furnace silk lights hydrogen, asbestos pad according to its heat in the nozzle of quartzy furnace
Easily dusting is scattered everywhere and is easy carcinogenic substance, influences user's use.
Utility model content
The utility model aim is to provide for the new-type atomizer of one of atomic fluorescence analyzing device, with effective
It solves the above problems.
The atomic fluorescence analysis atomizer of the utility model, including furnace body support, furnace core, the stone being set in furnace core
The components such as English furnace and the furnace body outer cover, ceramic cover plate, the electric furnace heating wire that are set in outside furnace core are clamped between the component or fixed:
The top of the furnace body support sets groove body (51) and step (53), and groove body side wall opens up two slots (52)；The furnace core lower part
If raised (11), protrusion are inlaid in the groove body；The inner pipe joint and outer tube joint of the quartz furnace lower part are installed on slot
It is interior and to side stretch out；The furnace body outer cover is sleeved on furnace core periphery, and the bottom (21) of furnace body outer cover, which is supported, is seated at furnace body support
On step (53).
In the atomic fluorescence analysis atomizer, furnace body outer cover upper end sets at least two card slots, ceramic cover plate
Side contraposition sets buckle, and buckle fastens with card slot and is clamped furnace body outer cover upper end and ceramic cover plate.
For the quartz boiler clothing in furnace core cavity, the nozzle (33) of quartzy furnace stretches out the top end face of furnace core upwards, described
Electric furnace heating wire, which is worn, to be inlaid between ceramic cover plate and the nozzle of quartzy furnace.
Ceramic thermal barrier layer is equipped between ceramic cover plate and furnace core top end face, electric furnace heating wire is supported and positioned by ceramic thermal barrier layer
In the nozzle of quartzy furnace.
The ceramic thermal barrier layer is filled between ceramic cover plate, furnace core top end face and Quartz stove tube mouth outer wall, ceramic insulation
Layer material is one or more heat-barrier material combinations such as potsherd, ceramic fibre, mica sheet.
Furnace core top is equipped with inner groovy (12), and the ceramic thermal barrier layer underfill is in the inner groovy.By ceramic fibre
Rope (61), mica sheet or potsherd (62), ceramic fibre rope (63) successively stack the ceramic thermal barrier layer to be formed, ceramic fibre
Rope (63) is filled in the inner groovy.
In atomic fluorescence analysis atomizer described above, the furnace core and furnace body outer cover insulate heat-resisting nonmetallic
Material is made.
Atomic fluorescence analyzing device provided by the utility model, by above-described atomizer and existing infusion system
System, reactor, excitation light source and detector assemble.
Using above scheme, the new-type atomizer of the utility model, furnace body, which uses, has superior heat radiation performance again complete
The nonmetallic materials of insulation, cooling is not needed after stopping working to repair, and not too high gram of furnace body temperature in the course of work
The phenomenon that having taken baseline drift；Cooperate assembly between each component, when installation does not need screw fastening, can integral disassembly, assembly maintenance；Stone
English furnace tube port has abolished carcinogen asbestos using heat-barrier materials such as mica, ceramics.The utility model integrally improves atomization
The quality of device.
It elaborates below in conjunction with drawings and examples to the utility model.
Detailed description of the invention
Fig. 1 is the utility model atomizer overall appearance schematic diagram；
Fig. 2 is the utility model atomizer bulk-breaking structural schematic diagram；
Fig. 3 is the utility model atomizer the schematic diagram of the section structure；
Specific embodiment
The utility model discloses a kind of New type atom device.Its structure is shown referring to figures 1-3, comprising: furnace core 1, suit
In the quartzy furnace 3 in furnace core 1, the furnace body outer cover 2 being set in outside furnace core 1, with furnace body outer cover upper end clamping ceramic cover plate 4, it is embedding
Electric furnace heating wire 7 between 3 nozzle of ceramic cover plate 4 and quartzy furnace, and be filled between 1 top end face of ceramic cover plate 4 and furnace core
Ceramic thermal barrier layer 61,62,63, oven body part is formed with upper-part, in addition furnace body support 5 is set in bottom of furnace body and is used to support furnace
Body.Here:
Quartzy furnace 3 is to be commercially available product, for the casing being made of the central tube (inner tube) and outer tube that are separated, inner tube
Pass through inner pipe joint 31 respectively with outer tube and outer tube joint 32 connects hydride and hydrogen (being carried by carrier gas) that reactor generates
With shielding gas.
The generally I-shaped Cavity structural member of furnace core 1, cavity is interior to be set with quartzy furnace 3, and the nozzle 33 of quartzy furnace stretches out furnace upwards
11 shape of lower lobes of the top end face 13 of core 1, furnace core 1 is matched with size with the upper tank body 51 of furnace body support 5, protrusion 11
It is inlaid in groove body 51.1 top of furnace core can open up inner groovy 12, to accommodate ceramic thermal barrier layer 6.
5 upper tank body of furnace body support, 51 side wall opens up two slots 52, the inner pipe joint 31 and outer tube joint of quartzy furnace 3
32 stretch out via the slot 52 to side.
Furnace body outer cover 2 is tubular, is sleeved on the periphery of furnace core 1, and 21 rivet holder of bottom is on the step 53 of furnace body support, top
If at least two card slots 22, clamps and fasten with buckle set by 4 side of ceramic cover plate.
Electric furnace heating wire 7 wears the medial surface for being mounted on ceramic cover plate 4, and by being filled in 1 top end face of ceramic cover plate 4 and furnace core
Between ceramic thermal barrier layer 61-63 support and be fixed on 33 periphery of nozzle of quartzy furnace 3.The shape of ceramic thermal barrier layer 61-63 with
Void shape variation is filled, material can be combined with one or more heat-barrier materials such as Ceramics piece, ceramic fibre, mica sheet,
As shown in figure 3, having selected 61,62,63 3 kind of heat-barrier material.
It is so assembled with upper-part: 1 inner cavity of furnace core, 3 bottom of furnace core 1 and quartzy furnace is inserted in quartzy 3 top of furnace from bottom to top
It is inserted in the upper tank body 51 of furnace body support, 32 snapping into position in slots 52 of inner pipe joint 31 and outer tube joint of quartzy furnace 3 in portion；Electricity will be installed
The ceramic cover plate 4 of furnace silk 7 is installed on 2 upper end of furnace body outer cover, fills ceramic insulation in 1 upper end of furnace core to quartzy 2 nozzle space of furnace
Layer 61-63, finally by 2 sets of furnace body outer cover outside furnace core 1 and seat on the step 53 of furnace body support 5.So assembly is completed to obtain
The atomizer of the utility model realizes the fixation between component using structures such as card slots in assembly, does not have to screw.
In the utility model atomizer, furnace core 1, furnace body outer cover 2 use insulation, heat-resisting process for un-metal material, no
Use metal material.
The utility model atomizer and existing transfusion system, reactor, excitation light source and detector etc. are assembled, shape
At the novel atomic fluorescence analyzing device of the utility model.
Carry out atomic fluorescence analysis using the novel atomic fluorescence analyzing device, can be used successfully to As in various samples,
The measurement of Hg, Se, Pb and Cd show wherein the detection limit and reproducibility data of surveying mercury are as listed in table 1 with the utility model instrument
The problem of it is good to detect stability, overcomes baseline drift caused by original atomic fluorescence detector is increased because of temperature.
The detection limit and reproducibility data for the mercury that table 1 measures
Claims (9)
1. a kind of atomic fluorescence analysis atomizer, including furnace body support, furnace core, quartzy furnace and the set being set in furnace core
Each component of furnace body outer cover, ceramic cover plate, electric furnace heating wire outside loaded on furnace core, which is characterized in that be clamped between the component or fixed:
The top of the furnace body support sets groove body (51) and step (53), and groove body side wall opens up two slots (52)；The furnace core lower part
If raised (11), protrusion are inlaid in the groove body；The inner pipe joint and outer tube joint of the quartz furnace lower part are installed on slot
It is interior and to side stretch out；The furnace body outer cover is sleeved on furnace core periphery, and the bottom (21) of furnace body outer cover, which is supported, is seated at furnace body support
On step (53).
2. atomic fluorescence analysis atomizer according to claim 1, which is characterized in that furnace body outer cover upper end set to
Few two card slots, the contraposition of ceramic cover plate side set buckle, and buckle fastens with card slot and is clamped furnace body outer cover upper end and ceramic cover plate.
3. atomic fluorescence analysis atomizer according to claim 2, which is characterized in that the quartz boiler clothing is mounted in furnace core
In cavity, the nozzle (33) of quartzy furnace stretches out the top end face of furnace core upwards, and the electric furnace heating wire, which is worn, is inlaid in ceramic cover plate and stone
Between the nozzle of English furnace.
4. atomic fluorescence analysis atomizer according to claim 3, which is characterized in that in ceramic cover plate and furnace core top
Ceramic thermal barrier layer is equipped between face, electric furnace heating wire is supported and is located in the nozzle of quartzy furnace by ceramic thermal barrier layer.
5. atomic fluorescence analysis atomizer according to claim 4, which is characterized in that the ceramic thermal barrier layer is filled in
Between ceramic cover plate, furnace core top end face and Quartz stove tube mouth outer wall, ceramic insulation layer material is potsherd, ceramic fibre, mica
One of piece or the combination of a variety of heat-barrier materials.
6. atomic fluorescence analysis atomizer according to claim 5, which is characterized in that furnace core top is equipped with inner groovy
(12), the ceramic thermal barrier layer underfill is in the inner groovy.
7. atomic fluorescence analysis atomizer according to claim 6, which is characterized in that ceramic fibre rope, mica sheet or
Potsherd, ceramic fibre rope successively stack to form the ceramic thermal barrier layer.
8. according to claim 1 to 7 any atomic fluorescence analysis atomizers, which is characterized in that the furnace core and furnace
External cover is made of insulation heat-resisting nonmetallic materials.
9. atomic fluorescence analyzing device, by the described in any item atomizers of claim 1 to 8 and existing transfusion system, anti-
Device, excitation light source and detector is answered to assemble.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752982.4U CN211739871U (en) | 2018-10-29 | 2018-10-29 | Quartz furnace jacket |
| CN201821776004.9U CN209727765U (en) | 2018-10-29 | 2018-10-29 | Atomic fluorescence analysis atomizer and atomic fluorescence analyzing device |
| PCT/CN2019/113966 WO2020088444A1 (en) | 2018-10-29 | 2019-10-29 | Atomizer for analytical instrument |
| PH12021550914A PH12021550914A1 (en) | 2018-10-29 | 2021-04-22 | Atomizer for analytical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821776004.9U CN209727765U (en) | 2018-10-29 | 2018-10-29 | Atomic fluorescence analysis atomizer and atomic fluorescence analyzing device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752982.4U Division CN211739871U (en) | 2018-10-29 | 2018-10-29 | Quartz furnace jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727765U true CN209727765U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752982.4U Active CN211739871U (en) | 2018-10-29 | 2018-10-29 | Quartz furnace jacket |
| CN201821776004.9U Active CN209727765U (en) | 2018-10-29 | 2018-10-29 | Atomic fluorescence analysis atomizer and atomic fluorescence analyzing device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752982.4U Active CN211739871U (en) | 2018-10-29 | 2018-10-29 | Quartz furnace jacket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103265A (en) * | 2018-10-29 | 2020-05-05 | 重庆民泰新农业科技发展集团有限公司 | Atomizer for atomic fluorescence analysis and atomic fluorescence instrument |
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2018
- 2018-10-29 CN CN201921752982.4U patent/CN211739871U/en active Active
- 2018-10-29 CN CN201821776004.9U patent/CN209727765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103265A (en) * | 2018-10-29 | 2020-05-05 | 重庆民泰新农业科技发展集团有限公司 | Atomizer for atomic fluorescence analysis and atomic fluorescence instrument |
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| Publication number | Publication date |
|---|---|
| CN211739871U (en) | 2020-10-23 |
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