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Sample pretreatment system of magnetic mechanical oxygen analyzer

An oxygen analyzer and mechanical technology, which is applied in the field of sample pretreatment system of magneto-mechanical oxygen analyzer, can solve the problems of failing to meet the standards of safety, health and environmental protection, avoid environmental pollution and personal harm, discharge environmental protection, The effect of prolonging the service life

Active Publication Date: 2014-05-21
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing waste liquid discharge and waste gas venting systems cannot meet the national standards for safety, health and environmental protection

Method used

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  • Sample pretreatment system of magnetic mechanical oxygen analyzer
  • Sample pretreatment system of magnetic mechanical oxygen analyzer

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 and figure 2 As shown, the magnetic mechanical oxygen analyzer sample pretreatment system includes:

[0021] The washing tank 1 has a liquid inlet pipe 11 and a liquid discharge pipe 12 . Wherein, the liquid inlet pipe 11 is connected to the sample gas pipeline and the washing water pipeline of the pretreatment system of the oxygen analyzer; The two outlets are respectively connected to the waste liquid discharge line 2 and the exhaust pipe 3 described below. The pipe diameter of the liquid discharge pipe 12 is greater than the pipe diameter of the liquid inlet pipe 11 .

[0022] The waste liquid discharge pipeline 2 is connected to the port below the liquid discharge pipe 12, and is used to discharge the waste liquid after washing. The end is connected to the inlet of the gas-liquid separation tank 4 described be...

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Abstract

The invention relates to a sample pretreatment system of a magnetic mechanical oxygen analyzer. The system comprises a washing tank and a waste liquid discharge pipeline, wherein the washing tank is provided with a liquid feed pipe connected with a sample pipeline and a washing water pipeline and a liquid discharge pipe for discharging washed waste liquid; the liquid discharge pipe is connected with the waste liquid discharge pipeline through a U-shaped pipe; and the waste liquid discharge pipeline is connected with a closed waste liquid collection system. The sample pretreatment system is characterized in that the liquid discharge pipe is provided with two outlets, wherein one of the two outlets is a liquid discharge port and the other one of the two outlets is an exhaust port; the liquid discharge port is connected with the waste liquid discharge pipeline; a gas-liquid separation tank is arranged between the waste liquid discharge pipeline and the waste liquid collection system; the mounting elevation of the gas-liquid separation tank is lower than that of an oxygen analyzer; the gas outlet of the gas-liquid separation tank is communicated with the atmosphere through a gas pipeline; the liquid outlet of the gas-separation tank is connected with the waste liquid collection system; and the exhaust port is connected with the gas pipeline through an exhaust pipe. The sample pretreatment system provided by the invention can ensure stable operation of an analysis unit of the oxygen analyzer.

Description

technical field [0001] The invention relates to an analysis device, in particular to a sample pretreatment system of a magneto-mechanical oxygen analyzer. Background technique [0002] In some large chemical installations, it is usually necessary to set up an oxygen analyzer to analyze the oxygen content in the reaction system online, so as to control the smooth progress of the reaction. For example, in an acrylonitrile plant, using an oxygen analyzer to detect the tail oxygen content of the reaction gas at the outlet of the reactor is of great significance for improving the yield of acrylonitrile products and ensuring the safe production of the plant. [0003] The magneto-mechanical oxygen analyzer is a precision instrument and is expensive, including the sample gas pretreatment device, each worth nearly one million RMB, and the order time is long, which takes half a year to a year. The sample entering the oxygen analyzer for testing must be clean sample gas. Taking the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/34
Inventor 李力
Owner CHINA PETROLEUM & CHEM CORP
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