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Automatic termovap sample concentrator

A nitrogen blowing instrument, automatic technology, applied in instruments, scientific instruments, sampling, etc., to achieve the effect of improving efficiency, avoiding errors, and avoiding harm

Pending Publication Date: 2019-09-24
青岛市产品质量监督检验研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the defects of artificial nitrogen blowing mentioned in the background technology, the present invention demonstrates an automatic nitrogen blowing instrument

Method used

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Embodiment Construction

[0022] In order to make the solution of the present invention clearer and clearer to those skilled in the art, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0023] Such as Figure 1-3 , an automatic nitrogen blowing instrument, including a conical test tube 1, a waste liquid collection box 2, a support 3, a moving mechanism 4, and an electric control box 6, the waste liquid collection box 2 is arranged at the rear of the support 3, and the The support top plate 31 is passed by 3 pipelines, and the 3 pipelines can be rotated. The 3 pipelines are nitrogen blowing pipe 32, constant volume pipe 33, and calibration pipe 34 in turn. When the pipeline needs to be cleaned, the pipeline Rotate so that the nozzle of the pipeline is aligned with the waste liquid collection box 2, and then use the test solution to clean it; the support ...

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Abstract

The invention belongs to the field of chemical analysis devices and relates to an automatic termovap sample concentrator. The automatic termovap sample concentrator comprises a conical test tube, a waste liquid collecting box, a bracket and a moving mechanism; the waste liquid collecting box is arranged at the rear part of the bracket; three pipelines penetrate through a bracket top plate; the three pipelines can rotate; the three pipelines include a nitrogen blowing pipe, a volume fixing pipe, and a scale fixing pipe; the bracket top plate is connected to a bottom surface fixing plate through two supporting columns; a guide shaft penetrates through the movable plate of a moving mechanism; two ends of the guide shaft are fixedly connected with the bracket top plate and the bottom surface fixing plate respectively; a ball screw A is connected with the movable plate in a matched mode; a motor A is fixedly arranged at the upper portion of the movable plate; and a bevel gear B is connected with a bevel gear A in a matched mode. According to the device, automatic nitrogen blowing, volume fixing and scale fixing are achieved; large errors caused by the manual nitrogen blowing of an experimenter are avoided; efficiency can be improved; and an environment-friendly effect is good. The method has a potential market value.

Description

technical field [0001] The invention relates to the field of chemical analysis devices, in particular to an automatic nitrogen blowing instrument. Background technique [0002] In general, the nitrogen blowing instrument consists of three parts: heating device, sample fixing device and gas supply device. After passing through the gas supply device, the nitrogen gas is blown into the sample container fixed on the sample fixing device through the air guide tube, so that the organic solvent in the sample in the sample container is quickly volatilized, thereby realizing the concentration of the sample. [0003] When analyzing and measuring in the fields of food and environment, it is necessary to carry out nitrogen purging to concentrate the extract. At present, most of the nitrogen blowing devices on the market are test tubes and nitrogen blowing pipes. The height of nitrogen blowpipe, adjust the flow rate of nitrogen. During the process, nitrogen blowing and solvent drying a...

Claims

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Application Information

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IPC IPC(8): G01N1/40
CPCG01N1/40G01N1/4022
Inventor 李建兵王建萍王婷翟钰祁魁翟士星王晓滨
Owner 青岛市产品质量监督检验研究院
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