Method, system and storage medium for online detection of chlorine-hydrogen ratio in hydrogen chloride synthesis furnace
A synthesis furnace and hydrogen chloride technology, applied in measuring devices, image enhancement, image analysis, etc., can solve problems such as omissions, explosions, and large fluctuations in the purity of hydrogen chloride, so as to improve production efficiency and product quality, reduce production costs, and ensure The effect of production safety
Active Publication Date: 2021-04-30
CENT SOUTH UNIV
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Problems solved by technology
The flowmeter used to detect the flow of chlorine gas cannot meet the accuracy requirements of flow detection
The method of manually observing the flame combustion state relies on the experience of the operator, and cannot accurately describe the characteristics of the flame, nor can it accurately estimate the ratio of chlorine to hydrogen, resulting in large fluctuations in the purity of the product hydrogen chloride
And if only relying on the operator to observe for a long time, it is inevitable that there will be omissions, which may lead to serious production accidents such as explosions.
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Embodiment Construction
[0033] The invention establishes a hardware system for image acquisition and storage in the image recognition technology;
[0034] Use the image acquisition hardware system to collect images, transmit them to the central control computer in real time, and the central control computer analyzes and processes the pictures, predicts the ratio of chlorine and hydrogen in the hydrogen chloride synthesis furnace when shooting, and transmits the processing results together with the pictures to the monitoring room .
[0035] The central control computer stores the processed pictures and forecast data into the database.
[0036] The establishment process of the image acquisition hardware system includes the following steps:
[0037] Install an automatic cleaning device for the observation hole of the hydrogen chloride synthesis furnace. Install the camera on the fixed bracket, facing the observation hole of the hydrogen chloride synthesis furnace, and install the light source around t...
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The invention discloses a method, system and storage medium for on-line detection of the ratio of chlorine to hydrogen in a hydrogen chloride synthesis furnace. Aiming at the problem that it is difficult to realize the automatic identification of the ratio of chlorine to hydrogen in a hydrogen chloride synthesis furnace, the method uses a camera to collect the observation hole of the hydrogen chloride synthesis furnace. image, and perform statistical analysis on the image, extract the color and shape features of the flame to determine the combustion state of the flame, and finally combine the historical sample library, use the BP neural network to perform multi-feature fusion, and quickly determine the current hydrogen chloride composition in the hydrogen chloride synthesis furnace Compare. And based on this method, a set of test system is designed to meet the accuracy and speed of controlling the ratio of chlorine and hydrogen in the actual production process, to ensure the safety of production, to improve the quality of produced products, and to reduce production costs.
Description
technical field [0001] The invention relates to the field of automatic identification of combustion working conditions of a synthesis furnace, in particular to a method, system and storage medium for online detection of the chlorine-hydrogen ratio of a hydrogen chloride synthesis furnace. Background technique [0002] With the assistance of machine learning and artificial intelligence, image recognition technology has developed rapidly, greatly improving production efficiency. At present, image recognition has been fully used in military, light industry, manufacturing, security and other industries. In the process of producing hydrogen chloride by combustion in the hydrogen chloride synthesis furnace, the chlorine gas from the chlorine buffer tank and the hydrogen gas from the hydrogen buffer tank pass through the regulating valve, the stop valve, and the flame arrester respectively, and then are mixed in the mixer at the bottom of the synthesis furnace, and burn in the furn...
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IPC IPC(8): G01N21/84G06T5/00G06T5/40G06T7/00G06T7/136G06T7/155G06T7/62G06T7/66
CPCG01N21/84G06T5/40G06T7/0004G06T7/136G06T7/155G06T7/62G06T7/66G06T2207/20081G06T2207/20084G06T5/70
Inventor 彭辉付雷李雯方知涵
Owner CENT SOUTH UNIV