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Bubble absorption tube

A technology of absorbing tubes and air bubbles, which is applied in the direction of sampling devices and preparation of test samples, etc. It can solve the problems of complex structure, troublesome operation, buffering and absorbing bubbles that have not yet been seen, and achieves the effect of simple operation and convenient portability

Active Publication Date: 2007-03-14
CHANGCHUN JILIN UNIV LITTLE SWAN INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of bubble absorbing device has many components, complex structure, and troublesome operation during use.
[0004] So far, there has been no report of a bubble absorption tube integrating sampling, buffering and absorption

Method used

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing, describe the present invention in detail:

[0029] The bubble absorption tube of the present invention consists of an absorption tube (FIG. 1), a sample collection tube 4 (FIG. 2) connected to the absorption tube and a spring clip 5 (FIG. 3).

[0030] In this embodiment, the structure of the absorption pipe is shown in FIG. 1 , which consists of three parts: an outer pipe 1 , a middle pipe 2 and an inner pipe 3 . The inner tube 3 is a slender hollow tube with a length of 180-220 mm and an inner diameter of 8-12 mm, which is placed in the middle tube 2 in parallel. The trumpet-shaped opening at the top of the inner pipe 3 is the inner pipe air inlet 6, and the lower tapered opening is the inner pipe air outlet 7, and the inner diameter of the inner pipe air outlet 7 is 2 to 3 mm. The distance between the tip of the inner tube gas outlet 7 and the bottom of the sample collection tube 4 is less than 3 mm.

[0031] The middl...

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Abstract

The invention discloses a bubble absorbing pipe, which is made up of absorbing pipe, sample collecting pipe and spring clamp. The absorbing pipe is made up of external, middle and internal parts, all of which are connected through the top inlets and are formed into a bubble absorbing pipe integrating sample, absorption and buffer. The wall of the external pipe and the middle pipe and the lower part of the internal pipe has outlets. The outlet of the internal pipe is arranged with a sample collecting pipe, the collecting pipe wall is arranged with frosting surface which combines with the frosting surface on the lower part of the external pipe; the external edge of the collecting pipe aperture is arranged with ring clamping aperture, which is fixed by a spring and connected to the sample collecting pipe.

Description

technical field [0001] The invention relates to a small-sized bubble absorption tube integrating sampling, buffering and absorption, in particular to a bubble absorption tube used for extracting and collecting air samples in the field or in a laboratory. Background technique [0002] At present, miniaturization, intelligentization, and fieldization are an important development direction of analytical instruments. In particular, the simplification, operation, and portability of the necessary supporting structures for chemical analysis instruments are also important development trends in the field of science and technology and market demand today. [0003] The structure of the traditional air bubble absorbing device is shown in FIG. 5 . The air intake pipe 100 can be inserted into the absorption pipe 200 . The gas outlet 201 of the absorption tube 200 is connected to the buffer tube 400 through the silicone tube 300, and the buffer tube 400 is further provided with a gas outl...

Claims

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Application Information

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IPC IPC(8): G01N1/24G01N1/22G01N1/28
Inventor 于爱民王振德
Owner CHANGCHUN JILIN UNIV LITTLE SWAN INSTR
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