CN206725515U - A kind of gas chromatograph gasification heat block - Google Patents
A kind of gas chromatograph gasification heat block Download PDFInfo
- Publication number
- CN206725515U CN206725515U CN201720286187.5U CN201720286187U CN206725515U CN 206725515 U CN206725515 U CN 206725515U CN 201720286187 U CN201720286187 U CN 201720286187U CN 206725515 U CN206725515 U CN 206725515U
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- block
- holes
- hole
- support
- diameter
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Abstract
The utility model provides a kind of gas chromatograph gasification heat block, including cuboid-type block, it is longitudinally asymmetric on block that two placement the first support through holes of carrier gas auxiliary are set, the lower end of first support through holes is provided with the base with the integrally formed circular hole for being less than the first support through holes diameter with diameter of block, and the first support through holes side is provided with branch's groove；The lower right side of the block is provided with the first bottoming hole, and first bottoming hole is is divided into three sections of cylinders that diameter is sequentially reduced from right to left, through whole block；Three sections of cylindrical through holes that the utility model bottoming hole is sequentially reduced with RTD hole using diameter, using such a setting, after heating rod and RTD are adhered on block because of block expansion, opposite direction force is carried out using the other end of the instrument in hole, the heating rod or RTD rod of adhesion can be easier removed, extends the service life of heat block.
Description
Technical field
It the utility model is related to gas chromatograph techniques field, more particularly to a kind of gas chromatograph gasification heat block.
Background technology
Gas chromatographic technique is a kind of important method of analytical chemistry.Sample and carrier gas (being typically inert gas) exist first
Injection port is sufficiently mixed, and is entered then as carrier gas in chromatographic column, and continues to flow to chromatographic column end, in the process,
Sample produces between carrier gas and the stationary phase of chromatographic column retains phenomenon, and the retention of different samples is different, reaches chromatographic column
The time of end is also different.In general, the retention of high boiling component is stronger, and appearance time can be more late.
Heat block is typically set at gas chromatograph injection port, for by liquid-type sample vaporization, and then enters chromatographic column
In, general heat block is heated using the bottoming hole of heating rod insertion heat block, due to long in short circuit or usage time
In the case of, heat block is heated to cause expansion serious, and heating rod is often led to after cooling and is tightly adhered to inside heat block, can not
Claw, cause scrapping for heat block, considerably increase maintenance cost.
In addition it is even using the heating of single position to often lead to uneven heating for heat block, gas-chromatography separation is not reached sample
The needs of separation.
Utility model content
The purpose of this utility model is the provision of a kind of gas chromatograph gasification heat block, to solve traditional heating block
Uneven heating is even and RTD rod is adhered to the problem of causing heat block to be scrapped inside heat block.
To solve problem above, the utility model uses following technical scheme：A kind of gas chromatograph gasification heat block,
Including cuboid-type block, longitudinally asymmetric two placement the first support through holes of carrier gas auxiliary of setting on block, described first
The lower end of support through holes is provided with the base with the integrally formed circular hole for being less than the first support through holes diameter with diameter of block,
The first support through holes side is provided with branch's groove；The lower right side of the block is provided with the first bottoming hole, and described first
Bottoming hole is is divided into three sections of cylinders that diameter is sequentially reduced from right to left, through whole block；Described two first supports are logical
The second bottoming hole is provided between hole, second bottoming hole is divided into three sections of cylinders that diameter is sequentially reduced, institute from front to back
State the first bottoming hole both sides be provided with two be used for detect heating deblocking temperature RTD hole, the RTD hole for from the right side to
Three sections of cylinders that left diameter is sequentially reduced.
Further, the heat block is piece of stainless steel.
The beneficial effects of the utility model：1st, the utility model bottoming hole is sequentially reduced with RTD hole using diameter
Three sections of cylindrical through holes, using such a setting, after heating rod is adhered on block with RTD because of block expansion, adopt
Opposite direction force is carried out with the other end of the instrument in hole, the heating rod or RTD rod of adhesion can be easier removed, prolong
The service life of heat block is grown.2nd, the utility model sets a bottoming hole between two support through holes, right in heat block
Side lower part sets a bottoming hole, ensures that whole heat block is rapidly heated, and be heated evenly.
Brief description of the drawings
Fig. 1：The utility model main structure diagram.
Fig. 2：The utility model right side structural representation.
Fig. 3：The utility model overlooking the structure diagram.
Wherein：1 is block, and 2 be the first support through holes, and 3 be base, and 4 be branch's groove, and 5 be the first bottoming hole, and 6 be second
Bottoming hole, 7 be RTD hole.
Embodiment
The utility model is illustrated with reference to the drawings and specific embodiments, but is not limited only to following examples.
As shown in Figure 1, 2, 3, a kind of gas chromatograph gasification heat block, including cuboid-type block 1, in block 1
Two placement the first support through holes 2 of carrier gas auxiliary are symmetrical arranged, the lower end of first support through holes 2 is provided with and block 1
The base 3 of the integrally formed circular hole for being less than the diameter of the first support through holes 2 with diameter, the side of the first support through holes 2 is set
Branch's groove 4 is equipped with, branch's groove 4 is square cell body, and bottom is set for circular arc, for placing the flue in carrier gas auxiliary
Road；The lower right side of the block 1 is provided with the first bottoming hole 5, and first bottoming hole 5 is to be divided into diameter from right to left successively
The three sections of cylinders reduced, through whole block 1；The second bottoming hole 6, institute are provided between described two first support through holes 2
State the second bottoming hole 6 and be divided into three sections of cylinders that diameter is sequentially reduced from front to back, the both sides of first bottoming hole 6 are provided with
Two are used to detecting the RTD holes 7 of heat block internal temperature, the RTD hole 7 be sequentially reduced for diameter from right to left three
Section cylinder.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (2)
- A kind of 1. gas chromatograph gasification heat block, it is characterised in that：It is longitudinally asymmetric on block including cuboid-type block Two placement the first support through holes of carrier gas auxiliary are set, and the lower end of first support through holes is provided with to be integrally formed with block With diameter be less than the first support through holes diameter circular hole base, the first support through holes side is provided with branch's groove； The lower right side of the block is provided with the first bottoming hole, and first bottoming hole is divided into diameter and is sequentially reduced from right to left Three sections of cylinders, through whole block；The second bottoming hole, second heating are provided between described two first support through holes Hole is divided into three sections of cylinders that diameter is sequentially reduced from front to back, and the both sides of first bottoming hole are provided with two and are used to detect The RTD hole of deblocking temperature is heated, the RTD hole is three sections of cylinders that diameter is sequentially reduced from right to left.
- 2. gas chromatograph gasification heat block according to claim 1, it is characterised in that：The heat block is stainless steel Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286187.5U CN206725515U (en) | 2017-03-09 | 2017-03-09 | A kind of gas chromatograph gasification heat block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286187.5U CN206725515U (en) | 2017-03-09 | 2017-03-09 | A kind of gas chromatograph gasification heat block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725515U true CN206725515U (en) | 2017-12-08 |
Family
ID=60501178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720286187.5U Expired - Fee Related CN206725515U (en) | 2017-03-09 | 2017-03-09 | A kind of gas chromatograph gasification heat block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725515U (en) |
-
2017
- 2017-03-09 CN CN201720286187.5U patent/CN206725515U/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: 20171208 Termination date: 20200309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |