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Intelligent water sample accelerated evaporation-acidification-concentration device

A technology for concentrating devices and water samples, applied in the field of intelligent sample preparation, can solve problems such as restricting the throughput and efficiency of large-volume water sample preparation, inability to know the evaporation and remaining water samples in real time, and discounting the accuracy of experimental results, and achieve savings. Manual, speed up evaporation, eliminate the effect of equipment vulnerable

Pending Publication Date: 2022-01-07
北京开园科技有限公司
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Problems solved by technology

This kind of sample preparation process consumes a lot of labor and takes a long time, and it is impossible to know the evaporation amount and remaining water samples in real time, and once the temperature control is not accurate, it is easy to cause bumping phenomenon, resulting in inaccurate sample preparation process and high accuracy of experimental results. compromised, thus severely limiting sample preparation throughput and efficiency for large volume water samples

Method used

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  • Intelligent water sample accelerated evaporation-acidification-concentration device

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] An intelligent water sample accelerated evaporation-acid addition-concentration device includes an automatic sample addition module, an automatic acid addition module, a heating and weighing module and an air blowing module. The automatic sampling module adds the water sample into the ceramic evaporating dish through the sample pump, and the sample liquid level switch can sense the liquid level in the sample tube to indicate whether the water sample is correctly added to the sample tube. The automatic acid adding module is resistant to concentrated sulfuric acid and concentrated nitric acid as a whole, and is the control unit for acid liquid. Among them, the reagent pump can absorb and discharge acid, and the upper and lower liquid level sensors indicate the change of liquid level, which can determine the volume of acid liquid ...

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Abstract

The invention relates to the field of intelligent sample preparation, and particularly discloses a water sample accelerated evaporation-acidification-concentration device; the device adopts a weight sensor to monitor the mass change in the processes of water sample addition, heating evaporation and acidification digestion in real time, has the function of automatically adding quantitative acid, and also has the function of micro-blowing to accelerate evaporation; and full-automatic rapid preparation of a large-volume water sample is achieved, manual operation is reduced, the heating temperature, the added water amount, the added acid volume and the blowing flow speed are accurately controlled, unattended automatic operation is achieved in the previous tedious experiment process, and the experiment precision and repeatability are greatly improved.

Description

technical field [0001] The invention belongs to the field of intelligent sample preparation, in particular to an intelligent water sample accelerated evaporation-acid addition-concentration device. Background technique [0002] The process of water quality monitoring often involves a large volume of evaporation and concentration process. In order to achieve the purpose of removing organic matter and sulfation in water, it is necessary to add sulfuric acid or nitric acid to the concentrated water sample for digestion. This process requires the operator to change different containers during the concentration process. At the same time, the heating plate must be accurately controlled to maintain a slight boil. Water must be manually added multiple times, and concentrated sulfuric acid or concentrated nitric acid must be manually added. For example, during the detection process of environmental industry standards HJ898-2017, HJ899-2017 and drinking water testing standard GB5750.1...

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Application Information

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IPC IPC(8): G01N1/40G01N1/44
CPCG01N1/4022G01N1/4044G01N1/44G01N2001/4027
Inventor 杨宝华
Owner 北京开园科技有限公司
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