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Globular distillation flask

A distillation flask, spherical technology, applied in the direction of flask, distillation separation, distillation adjustment/control, etc., can solve problems such as inconvenience, and achieve the effect of ensuring tightness

Active Publication Date: 2011-05-04
INSTR SCI DE LABORTOIRE ISL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, in the prior art, the seal between the lateral branch of the distillation column and the condenser tube is achieved by installing an annular sleeve made of silica gel, and it is necessary to ensure that the outer dimensions of the annular sleeve made of silica gel and the lateral branch are properly matched, and at the same time ensure that their A certain tightening force can be applied to the transverse branch, which makes it very inconvenient to insert the transverse branch into the annular sleeve

Method used

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  • Globular distillation flask
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Embodiment Construction

[0020] Referring to Fig. 1, a distillation column 2 is extended from a spherical distillation flask 1 made of glass, and the free end 3 of the distillation column 2 is closed by a stopper; In the middle part of a transverse branch 4.

[0021] Said transverse branch 4 is provided with a collar 5 on its periphery. The ferrule 5 is made of the same material as the body of the spherical distillation flask 1 , so the ferrule 5 can be formed through a firing process.

[0022] This ferrule 5 ensures that the lateral branches 4 of the distillation column 2 are connected in a sealed manner to the condenser tubes 6 pierced in the cooling wall 7 to condense the vapor evaporated from the spherical distillation flask and to collect the condensate in the cylinder Collector (not shown in Figure 1).

[0023] Specifically, the sleeve 8 made of silica gel is installed around the end of the condenser tube 6 , and the free ends of the transverse branches 4 are guided into the sleeve 8 and the c...

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Abstract

The invention discloses a spherical distillation flask, comprising a distillation flask main body which has a distillation post by extension, the distillation post includes a transverse branch having a ferrule on periphery thereof. The inventive spherical distillation flask can insert the transverse branch into a bushing or a condenser tube more handily on account of an additional protruding ferrule on the periphery of the transverse branch; in the meantime, as the ferrule is protruded out of the transverse branch to contact with inner wall of the bushing, the sealing property at the time thetransverse branch is inserted into the condenser tube can be further guaranteed.

Description

technical field [0001] The invention relates to a test device, in particular to a spherical distillation flask used for liquid sample distillation test. Background technique [0002] It is understood that the distillation characteristics of petroleum products are: the performance of petroleum products and the danger to users. The determination of the above-mentioned characteristics of petroleum products is especially important in the case of hydrocarbon fuels used in the automotive or aviation industries where safety issues are of utmost importance. These characteristics, especially those shown in graphs or curves, represent the percentage of vaporization of the sample with temperature during distillation, or also residues and losses. [0003] An expert in the industry can infer the characteristics to judge whether a given petroleum product can be used completely safely and achieve the properties sought under the given circumstances. [0004] In the above cases, experts in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/08B01D3/00B01L99/00
CPCG01N25/10B01D3/085B01D3/143B01D3/42G01N25/14G01N33/26
Inventor 派崔克·马莱
Owner INSTR SCI DE LABORTOIRE ISL