CN201141718Y - Inert gas pressure-reducing drier - Google Patents
Inert gas pressure-reducing drier Download PDFInfo
- Publication number
- CN201141718Y CN201141718Y CNU2007200765969U CN200720076596U CN201141718Y CN 201141718 Y CN201141718 Y CN 201141718Y CN U2007200765969 U CNU2007200765969 U CN U2007200765969U CN 200720076596 U CN200720076596 U CN 200720076596U CN 201141718 Y CN201141718 Y CN 201141718Y
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- inert gas
- drier
- described inert
- gas drier
- drying
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Abstract
The utility model relates to a technical field of drying, in particular to an inert gas pressure-relieving drying device applicable for food safety test. The inert gas pressure-relieving drying device comprises a closed chamber; an exhaust device connected with the closed chamber; above one main gas tube arranged at upper part or top part of the closed chamber, the main gas tube is connected in parallel with above one branch gas tube with an opening at one end, the main gas tube is externally connected with an inert gas input device. The inert gas dryier provided by the utility model can finish the pressure-relieving drying of a plurality of specimens within 10-15 minutes, so as to shorten time greatly compared with the prior art, simultaneously the inert gas pressure-relieving drying device has the advantages of small size, light weight, convenient removal, simple structure, low production and maintenance cost.
Description
Technical field
The present utility model relates to technical field of drying, is specifically related to a kind of inert gas decompression dry device that foodsafety detects that is applied to.
Background technology
When foodsafety detects (the residual analysis of medicine), often need to carry out various product and analyze simultaneously.The residual analysis of medicine generally will be through pre-treatment and extraction enriching stage, Instrumental Analysis or the ELISA experimental stage of sample.Relate to the healthy and safe of people because foodsafety detects, this not only requires sense cycle short, and the high-accuracy of testing result.At sample device pre-treatment and extraction enriching stage, the drug ingedient that extracts by organic solvent need carry out concentrate drying, and the normal at present method step that adopts is loaded down with trivial details, and length consuming time makes the sample oxidation easily.This is difficult to satisfy foodsafety and detects desired requirement fast and accurately.In the residual analytic process of medicine, the pre-treatment of sample and to extract enriching stage be consuming time the longest also influences the accuracy of testing result because of the longest variation that may cause sample composition consuming time of this stage.Special equipment is abroad arranged as this step 1, such as " the many samples high speed enrichment facility " that Japanese GL-Science company produces, is more representational equipment both at home and abroad at present, still also exists some weak point.The first, it is the all-metal device, and weight is too heavy, is not easy to daily moving and the position adjustment in the laboratory.The second, because of its complex structure, cost an arm and a leg (every pact and RMB about 100,000 yuan), and in case break down can't simplified overhauling, and maintenance cost is too high.The 3rd, owing to be metal shell, therefore can't directly see the process of concentrate drying in the sample tube, also be not easy to the affirmation and the adjustment of the power of stream of nitrogen gas.
The utility model content
In order to overcome the weak point of the said equipment, the utility model provides a solution, and it is little, in light weight to have a volume, is easy to carry and moves; Simple in structure, production and maintenance cost are cheap.
A kind of inert gas drier comprises an airtight chamber; One exhaust apparatus that links to each other with airtight chamber; Place the main tracheae at chamber top or top more than 1, the branch bronchus of parallel connection end opening more than 1 on the described main tracheae, described main tracheae connects the inert gas input unit outward.
The operation principle of inert gas drier disclosed in the utility model: one can be airtight sample chamber in put sample cell, reduce pressure by vacuum decompression device etc. on one side in cell sealing back, on one side with inert gas by pipeline and needle tubing filling with inert gas in each sample tube simultaneously, pass through the stirring action and the depressurization of inert gas like this, to quicken organic solvent evaporation, at last with sample concentration and even drying, simultaneously, inert gas can also reduce and the oxidation of avoiding relevant composition in the concentrate drying process, ensures the accuracy of testing result.
In an embodiment, have the parts that can have an X-rayed on the chamber wall more than the one side of described airtight chamber, so that the inner drying regime of direct optical viewer, the control dry run.
In an embodiment, described exhaust apparatus comprises a gas open and close valve and an exhaust pump that links to each other with airtight chamber.
In an embodiment, described exhaust apparatus also comprises a pressure vacuum gauge, to show the vacuum of airtight chamber.
In an embodiment, described parallel branch tracheae is that aciculiform is divided bronchus, so that branch can place shuttle as in vitro.
In an embodiment, described inert gas input unit comprises a gas open and close valve and a gas gauge that links to each other with main tracheae, and the gas flow rate with the control inert gas prevents that flow velocity is excessive.
In an embodiment, described inert gas is a nitrogen.
In an embodiment, comprise a liftable sample microscope carrier in the described airtight chamber.
In an embodiment, described inert gas drier also comprises and heating up and heat-preserving equipment, so as when low winter of temperature and northern area also to keep organic volume evaporation needed temperature.
The inert gas drier that the utility model provides can be finished the drying under reduced pressure of a plurality of samples in 10～15 minutes, shortened the time greatly than before, and it is little, in light weight to have volume simultaneously, was easy to carry and moved; Simple in structure, production and maintenance cost are cheap.
Description of drawings
Among Fig. 1 one embodiment, nitrogen drying device schematic diagram.
Specific embodiment
Below in conjunction with specific embodiment, further illustrate the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.The experimental technique of unreceipted actual conditions in the following example, usually according to normal condition, or the condition of advising according to manufacturer.Ratio and percentage are based on weight, unless stated otherwise.
One nitrogen drying device, comprise a sealed chamber (1), sealed chamber (1) both sides upper inside wall has two parallel raised lines (1a), fix an inert gas master tracheae (2) on the parallel raised line (1a), the last parallel connection of main tracheae (2) end opening needle tubing branch air tube (2a) more than 1, main tracheae (2) is polyphone by tracheae and gas open and close valve (9a) and nitrogen pressure table (7) and connects, and nitrogen pressure table (7) communicates with nitrogen pot by air inlet (5); Sealed chamber (1) is by tracheae and gas open and close valve (9b) and pressure vacuum gauge (8), and pressure vacuum gauge (8) connects exhaust pump by exhaust outlet (6); Airtight chamber (1) inner bottom part is a liftable sample microscope carrier (3); Sealed chamber (1) the perforated wall outside has week sealing rubber strip (1b); Sealed chamber (1) perforated wall hinge connects a hermatic door (4), be the chimeric square glass (4a) of a sealing in the hermatic door (4), hermatic door (4) side one lock uint (4b) that opens the door can make the airtight sealed chamber of hermatic door (4) (1) opening with sealed chamber (1) the perforated wall outside one lock uint (4c).
Use step: the even vertical pendulum of sample tube is placed on the sample microscope carrier, regulate the sample microscope carrier then the corresponding nitrogen pin in each test tube position is inserted in the sample tube, the distance about the position of adjustment nitrogen pin makes the needle tubing oral area apart from organic solvent liquid level 0.5～5 (best 2～3) cm.Shut hermatic door and locking, start decompressor then, adjust decompressor and make vacuum reach 0.4～1.0 (best 0.7～0.8) mPa.Open nitrogen pot then, adjust nitrogen pressure and flow, make nitrogen reach best the mixing effect of organic solvent.The evaporation situation of organic solvent in the continuous confirmatory sample pipe is adjusted nitrogen pressure and flow, simultaneously till the sample bone dry in the concentrate drying process.At first close decompressor during end, remove vacuum state, sample tube is taken out after closing nitrogen.
Scope of the present utility model is not subjected to the restriction of described specific embodiments, and described embodiment is only desired also to comprise the method and the component of functional equivalent in the utility model scope as the single example of illustrating the utility model various aspects.In fact, except content as herein described, those skilled in the art can easily grasp multiple improvement of the present utility model with reference to above description and accompanying drawing.Described improvement also falls within the scope of appended claims.
Claims (9)
1. an inert gas drier is characterized in that comprising an airtight chamber; One exhaust apparatus that links to each other with airtight chamber; Place the main tracheae at chamber top or top more than 1, the branch bronchus of parallel connection end opening more than 1 on the described main tracheae, described main tracheae connects the inert gas input unit outward.
2. the described inert gas drier of claim 1 is characterized in that having the parts that can have an X-rayed on the above chamber wall of the one side of described airtight chamber.
3. the described inert gas drier of claim 1 is characterized in that described exhaust apparatus comprises a gas open and close valve and an exhaust pump that links to each other with airtight chamber.
4. the described inert gas drier of claim 1 is characterized in that described exhaust apparatus also comprises a pressure vacuum gauge.
5. the described inert gas drier of claim 1 is characterized in that described minute bronchus is that aciculiform is divided bronchus.
6. the described inert gas drier of claim 1 is characterized in that described inert gas input unit comprises a gas open and close valve and a gas gauge that links to each other with main tracheae.
7. the described inert gas drier of claim 1 is characterized in that described inert gas is a nitrogen.
8. the described inert gas drier of claim 1 is characterized in that comprising in the described airtight chamber a liftable sample microscope carrier.
9. the described inert gas drier of claim 1 is characterized in that described inert gas drier also comprises intensification and heat-preserving equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200765969U CN201141718Y (en) | 2007-11-09 | 2007-11-09 | Inert gas pressure-reducing drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200765969U CN201141718Y (en) | 2007-11-09 | 2007-11-09 | Inert gas pressure-reducing drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141718Y true CN201141718Y (en) | 2008-10-29 |
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ID=40069429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200765969U Expired - Fee Related CN201141718Y (en) | 2007-11-09 | 2007-11-09 | Inert gas pressure-reducing drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141718Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920630A (en) * | 2013-12-03 | 2014-07-16 | 华南理工大学 | Organic coating nitrogen-charging oxygen-controlling closed circulation drying equipment and process |
| CN106124284A (en) * | 2016-07-13 | 2016-11-16 | 北京普立泰科仪器有限公司 | A kind of multifunctional nitroxide blows enrichment facility |
| CN112305178A (en) * | 2020-10-19 | 2021-02-02 | 诸暨涵杰机械配件有限公司 | Inert gas decompression drying device applied to food safety detection |
-
2007
- 2007-11-09 CN CNU2007200765969U patent/CN201141718Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920630A (en) * | 2013-12-03 | 2014-07-16 | 华南理工大学 | Organic coating nitrogen-charging oxygen-controlling closed circulation drying equipment and process |
| CN106124284A (en) * | 2016-07-13 | 2016-11-16 | 北京普立泰科仪器有限公司 | A kind of multifunctional nitroxide blows enrichment facility |
| CN112305178A (en) * | 2020-10-19 | 2021-02-02 | 诸暨涵杰机械配件有限公司 | Inert gas decompression drying device applied to food safety detection |
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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: 20081029 Termination date: 20101109 |