The Application of Carbon Dioxide Gas Detectors in Grain Storage Engineering
This system is the key to implementing controlled atmosphere technology and ensuring process concentration. Its main functions include real-time automatic collection, conversion, and transmission of CO2 data from grain silos, data display and printing, data management (including data recording, data analysis and processing, alarm prompts, reserved data communication, etc.), and the ability to switch between manual and automatic operations. It can achieve open setting and adjustment of system parameters, making it easy to upgrade, update, and optimize settings.
The system schematic is as follows: Keywords: grain storage, CO2 controlled atmosphere grain storage, infrared gas analyzer. Overview: Grain storage engineering is a multidisciplinary system engineering that integrates agriculture, biology, construction, environmental protection, chemical engineering, instrumentation, computer technology, etc. With the rapid development of modernization in China, the construction of "green grain warehouses" is an important issue in the current grain storage industry. In the process of grain storage, in order to ensure the quality of stored grain, it is necessary to prevent stored grain pests and fungi from harming the grain.
① An active infrared CO2 analyzer with fast response time must be used;
② The high flow suction pump of the sampling system is used in conjunction with the built-in low flow suction pump of the instrument;
③ The CO2 analyzer must have good linearity, repeatability, and long-term stability (i.e., it must be an online instrument with constant temperature control throughout the machine);
④ The CO2 analyzer should have a constant current output, power supply, and pump switch control interface for remote computer control.
Conclusion and Prospect: The successful construction of the Mianyang Modified Atmosphere Control Demonstration Warehouse proves the feasibility of implementing this technology in China. The GXH-3010D (process based) active non dispersive infrared CO2 analyzer used in the demonstration warehouse effectively solves the problem of automatic monitoring of CO2 concentration in the controlled atmosphere control warehouse and plays a key role in the success of the demonstration.
