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Rapid measurement method of liquid ammonia content

A measurement method, liquid ammonia technology, applied in the field of liquid ammonia treatment, can solve the problem that the ammonia unloading device has no safety sampling device and filter device, cannot meet the requirements of safe sampling and purification of liquid ammonia, and achieve the effect of improving accuracy

Inactive Publication Date: 2017-01-25
黄晓乐 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the ammonia unloading device does not have a safety sampling device and a filtering device, which cannot meet the requirements for safe sampling of liquid ammonia and purification during the loading and unloading process.

Method used

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  • Rapid measurement method of liquid ammonia content
  • Rapid measurement method of liquid ammonia content

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Embodiment Construction

[0041] The following description is merely exemplary in nature and not intended to limit the disclosure, application or use. The specific implementation of the method for quickly measuring liquid ammonia content of the present invention will be further described below in conjunction with the accompanying drawings.

[0042] The rapid measurement method for liquid ammonia content of the present invention realizes the safe and rapid determination of liquid ammonia content through the joint action of constant volume sampling, test tube support with variable direction, evaporation sealing device and sample low-temperature heating.

[0043] Reached following effect by adopting measuring method of the present invention: improve the security of analysis:

[0044] First, through constant volume sampling. Realize safe sampling of liquid ammonia and avoid personal injury to sampling personnel; set up evaporation sealing device to reduce personal injury caused by liquid ammonia during sa...

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Abstract

The invention relates to a liquid ammonia processing method, and concretely relates to a liquid ammonia content rapid measurement method. Constant volume sampling is carried out to reduce the measurement error caused by unable close-range accurate reading of the sampling volume due to natural volatilization of liquid ammonia and the smell of volatilized ammonia; an evaporation sealing device is adopted to avoid the error brought by the entrance of extraneous impurities to an evaporation device in the transportation and evaporation process of a liquid ammonia sample; and rapid measurement is realized to reduce the volatilization speed, reduce the evaporation loss of impurity water of the liquid ammonia and reduce the measurement error. Sample low-temperature heating is carried out to make an experiment result meet an error requirement and improve the analysis speed in order to meet practical production requirements; and constant volume sampling is carried out to realize safe sampling of the liquid ammonia and avoid body damages to sampling personnel. The evaporation sealing device is arranged to reduce damages of the liquid ammonia to human body in the sample sending process. A special evaporation frame is arranged to improve the safety in the liquid ammonia evaporation process.

Description

technical field [0001] The invention relates to a method for treating liquid ammonia, in particular to a method for quickly measuring the content of liquid ammonia. Background technique [0002] Liquid ammonia is a chemical product with a wide range of uses, and it is also a dangerous chemical. There are some risks of personal injury in actual sampling and measurement. Sampling of liquid ammonia is usually carried out through the liquid ammonia tank truck or ammonia storage tank sampling pipe or sewage pipe, sampling the air, and putting the liquid ammonia into the Lysenko receiver. Liquid ammonia has a pressure of about 3.0MPa. Some sampling tubes on site are hoses, which are easy to shake when sampling, and liquid ammonia is easy to splash on the sampler, causing freezing damage; changes in wind direction and natural volatilization of liquid ammonia are easy to cause damage to the sampler. There is a certain risk of injury. At the same time, due to the natural volatiliza...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01N1/14
Inventor 黄晓乐邢涛张海燕
Owner 黄晓乐
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