CN208060397U - A kind of nonflame atomizer graphite furnace - Google Patents
A kind of nonflame atomizer graphite furnace Download PDFInfo
- Publication number
- CN208060397U CN208060397U CN201820286947.7U CN201820286947U CN208060397U CN 208060397 U CN208060397 U CN 208060397U CN 201820286947 U CN201820286947 U CN 201820286947U CN 208060397 U CN208060397 U CN 208060397U
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- CN
- China
- Prior art keywords
- graphite
- connecting portion
- nonflame
- atomizer
- cone
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Abstract
The utility model discloses a kind of nonflame atomizer graphite furnaces, including the first water cooled electrode, the second water cooled electrode, the first graphite cone, the second graphite cone and graphite-pipe；First water cooled electrode is equipped with the first mounting groove；The first graphite cone includes chamfered section, lock chamber and first connecting portion；The chamfered section is embedded in the first mounting groove；The graphite-pipe is mounted in lock chamber；Second water cooled electrode is equipped with the second mounting groove；Second graphite taper sleeve is mounted in the end of graphite-pipe；The second graphite cone includes rear tapering and second connecting portion；Tapering is embedded in the second mounting groove after described；The second connecting portion is arranged in the outer that the second graphite is bored, and is correspondingly connected with first connecting portion；The first connecting portion that the graphite furnace is bored by the first graphite is connect with the second connecting portion of the second graphite cone, and graphite-pipe is wrapped between the first graphite cone and the second graphite cone, graphite-pipe and extraneous contact is reduced, improves durable performance.
Description
Technical field
The utility model is related to the structure of the detecting device of microscopic fields, and in particular to a kind of nonflame atomizer graphite
Stove.
Background technology
The electrical heating graphite furnace for being presently used for atomic absorption spectroscopy has emphatically entire atomic absorption spectrophotometer
The influence wanted.The quality of graphite furnace design, directly affects the performance indicator of atomic absorption spectrophotometer, graphite furnace carries
Water cycle to the cooling of itself and graphite-pipe, the electrical conduction to graphite-pipe heating, the inert gas for being transferred to graphite protection of pipe
Etc. tasks.Wherein, graphite-pipe is the action center of graphite furnace, and service life of graphite-pipe is always that the technical staff of the industry pays close attention to
Focal issue.There are many factor for influencing graphite tube lifetime, such as the purity and environmental protection of graphite material, graphite pipe coating, argon gas
Deng.It is placed with the graphite furnace body of graphite-pipe during the work time, preceding electrode and rear electrode are discontiguous, between certain
Gap causes air to enter, at high temperature so that graphite-pipe oxidation, reduces the service life of graphite-pipe.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of nonflame atomizer stones
Black stove, the first connecting portion which is bored by the first graphite is connect with the second connecting portion of the second graphite cone, by graphite
Pipe is wrapped between the first graphite cone and the second graphite cone, is reduced graphite-pipe and extraneous contact, is improved durable performance.
The purpose of this utility model is realized using following technical scheme：A kind of nonflame atomizer graphite furnace, including
First water cooled electrode, the second water cooled electrode, the first graphite cone, the second graphite cone and graphite-pipe；First water cooled electrode is equipped with first
Mounting groove；First graphite cone includes chamfered section, lock chamber and first connecting portion；Chamfered section is embedded in the first mounting groove；It is fixed
Chamber level is recessed inwardly；Graphite-pipe is mounted in lock chamber；First connecting portion is arranged on the interior edge that lock chamber is open；Second water cooling
Electrode is equipped with the second mounting groove；Second graphite taper sleeve is mounted in the end of graphite-pipe；Second graphite cone includes that rear tapering and second connect
Socket part；Tapering is embedded in the second mounting groove afterwards；Second connecting portion is arranged in the outer that the second graphite is bored, and and first connecting portion
It is correspondingly connected with.
Preferably, nonflame atomizer graphite furnace further includes the first temperature sensor；First temperature sensor is solid
Dingan County is mounted in the upper surface of the first graphite cone.
Preferably, nonflame atomizer graphite furnace further includes second temperature inductance gauge；Second temperature inductance gauge is solid
Dingan County is mounted in the lower surface of the first graphite cone.
Preferably, first connecting portion is the first cascaded surface；First cascaded surface is open from lock chamber bores to the first graphite
Central axial direction extends；Second connecting portion is the second cascaded surface；Second cascaded surface matches with the first cascaded surface.
More preferably, the first cascaded surface includes two sequentially connected right angle cascaded surfaces.
Preferably, first connecting portion is equipped with internal thread；Second connecting portion is equipped with the external screw thread to match with internal thread；The
The connection type of one interconnecting piece and second connecting portion is to be spirally connected.
Preferably, the first graphite cone further includes sealing convex edge；Sealing convex edge is open from lock chamber protrudes to horizontal direction；
The front end face of second water cooled electrode is equipped with sealed groove；Sealing convex edge is embedded in sealed groove.
More preferably, the end for sealing convex edge is equipped with gasket.
More preferably, gasket is curved surface gasket；End bosses of the curved surface gasket from sealing convex edge.
Compared with prior art, the beneficial effects of the utility model are：
First graphite taper sleeve is closed the second graphite by first connecting portion and second connecting portion and bored by the utility model so that stone
Black pipe can be wrapped among the first graphite cone and the second graphite cone, reduce graphite-pipe and extraneous contact, graphite-pipe is not allowed
It is oxidizable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Wherein, the 1, first water cooled electrode；11, the first mounting groove；2, the second water cooled electrode；21, the second mounting groove；22, close
Seal groove；3, the first graphite is bored；31, chamfered section；32, lock chamber；33, the first cascaded surface；34, convex edge is sealed；341, gasket；4,
Second graphite is bored；41, rear tapering；42, the second cascaded surface；5, graphite-pipe；6, the first temperature sensor；7, second temperature incudes
Instrument.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further：
Referring to Fig.1, a kind of nonflame atomizer graphite furnace, including the first water cooled electrode 1, the second water cooled electrode 2,
One graphite bores the 3, second graphite cone 4, graphite-pipe 5, the first temperature sensor 6 and second temperature inductance gauge 7；First water cooled electrode 1
Equipped with the first mounting groove 11；
First graphite cone 3 includes chamfered section 31, lock chamber 32, the first cascaded surface 33 and sealing convex edge 34；Chamfered section 31 is embedding
It is located in the first mounting groove 11；32 level of lock chamber is recessed inwardly；Graphite-pipe 5 is mounted in lock chamber 32；First cascaded surface 33
It is arranged on the interior edge that lock chamber 32 is open；First cascaded surface 33 is open from lock chamber 32 to the central axis side of the first graphite cone 3
To extension；First cascaded surface 33 includes two sequentially connected right angle cascaded surfaces；Sealing convex edge 34 is open from lock chamber 32 to water
Square to protrusion；The end for sealing convex edge 34 is equipped with gasket 341；Gasket 341 is curved surface gasket 341；Curved surface gasket 341 is from sealing
The end bosses of convex edge 34；
Second water cooled electrode 2 is equipped with the second mounting groove 21 and sealed groove 22；Second graphite cone 4 is sleeved on graphite-pipe 5
End；Second graphite cone 4 includes rear tapering 41 and the second cascaded surface 42；Tapering 41 is embedded in the second mounting groove 21 afterwards；Second
Cascaded surface 42 is arranged in the outer of the second graphite cone 4, and is correspondingly connected with the first cascaded surface 33；Sealed groove 22 is arranged second
The front end face of water cooled electrode 2；Sealing convex edge 34 is embedded in sealed groove 22；
First temperature sensor 6 is fixedly mounted on the upper surface of the first graphite cone 3；Second temperature inductance gauge 7 is fixedly mounted
In the lower surface of the first graphite cone 3；User can also pay attention to the temperature of boiler face, keep away using being the temperature that can learn furnace bottom
Exempt to encounter boiler face when using and scald.
When installation, graphite-pipe 5 is embedded in lock chamber 32, then the second graphite cone 4 is sleeved on to the end of graphite-pipe 5
End, be open the first cascaded surface 33 and second graphite on interior edge of lock chamber 32 are bored the second cascaded surface 42 matchings of 4 outers and are merged closely
Connection；Cascaded surface coordinates, and can increase contact area, improves sealing effect；First water cooled electrode 1 is sleeved on the first graphite cone
3 chamfered section 31；Second water cooled electrode 2 is sleeved on to the rear tapering 41 of the second graphite cone 4, and seals 34 embedding sealing of convex edge
In groove 22, the inner surface of the surface top pressure sealed groove 22 of curved surface gasket 341；Sealing convex edge 34 is directly embedded into sealed groove 22
In, air can be made to be not easy to enter from the gap between the first graphite cone 3 and the second water cooled electrode 2；And with curved surface gasket
341 apply pressure so that curved surface gasket 341 further blocks gap between the two, and sealing performance is more excellent.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (9)
1. a kind of nonflame atomizer graphite furnace, including the first water cooled electrode, the second water cooled electrode, the first graphite cone, the
Two graphite are bored and graphite-pipe；It is characterized in that：First water cooled electrode is equipped with the first mounting groove；First graphite is bored
Chamfered section, lock chamber and first connecting portion；The chamfered section is embedded in the first mounting groove；The lock chamber level concaves
It falls into；The graphite-pipe is mounted in lock chamber；The first connecting portion is arranged on the interior edge that lock chamber is open；Second water cooling
Electrode is equipped with the second mounting groove；Second graphite taper sleeve is mounted in the end of graphite-pipe；The second graphite cone includes rear tapering
And second connecting portion；Tapering is embedded in the second mounting groove after described；The second connecting portion be arranged bored in the second graphite it is outer
Edge, and be correspondingly connected with first connecting portion.
2. nonflame atomizer graphite furnace according to claim 1, it is characterised in that：The nonflame atomizer
Further include the first temperature sensor with graphite furnace；First temperature sensor is fixedly mounted on the upper surface of the first graphite cone.
3. nonflame atomizer graphite furnace according to claim 1, it is characterised in that：The nonflame atomizer
Further include second temperature inductance gauge with graphite furnace；The second temperature inductance gauge is fixedly mounted on the lower surface of the first graphite cone.
4. nonflame atomizer graphite furnace according to claim 1, it is characterised in that：The first connecting portion is the
One cascaded surface；Be open from the lock chamber central axial direction bored to the first graphite of first cascaded surface extends；Described second connects
Socket part is the second cascaded surface；Second cascaded surface matches with the first cascaded surface.
5. nonflame atomizer graphite furnace according to claim 4, it is characterised in that：First cascaded surface includes
Two sequentially connected right angle cascaded surfaces.
6. nonflame atomizer graphite furnace according to claim 1, it is characterised in that：The first connecting portion is equipped with
Internal thread；The second connecting portion is equipped with the external screw thread to match with internal thread；The first connecting portion and second connecting portion
Connection type is to be spirally connected.
7. nonflame atomizer graphite furnace according to claim 1, it is characterised in that：The first graphite cone also wraps
Include sealing convex edge；The sealing convex edge is open from lock chamber protrudes to horizontal direction；The front end face of second water cooled electrode is set
There is sealed groove；The sealing convex edge is embedded in sealed groove.
8. nonflame atomizer graphite furnace according to claim 7, it is characterised in that：The end of the sealing convex edge
Equipped with gasket.
9. nonflame atomizer graphite furnace according to claim 8, it is characterised in that：The gasket is curved cushion
Piece；End bosses of the curved surface gasket from sealing convex edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286947.7U CN208060397U (en) | 2018-02-28 | 2018-02-28 | A kind of nonflame atomizer graphite furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286947.7U CN208060397U (en) | 2018-02-28 | 2018-02-28 | A kind of nonflame atomizer graphite furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208060397U true CN208060397U (en) | 2018-11-06 |
Family
ID=63990863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820286947.7U Expired - Fee Related CN208060397U (en) | 2018-02-28 | 2018-02-28 | A kind of nonflame atomizer graphite furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208060397U (en) |
-
2018
- 2018-02-28 CN CN201820286947.7U patent/CN208060397U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20190228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |