Constant temperature control system of natural gas pipeline in glass kiln and control method of constant temperature control system

By designing a constant temperature control system that integrates hardware components such as temperature sensors, flowmeters, and regulating valves in the glass kiln, combined with Kalman filtering and PID control algorithms, the problem of temperature instability in the kiln is solved, precise adjustment and control of temperature and flow are achieved, and the quality and production safety of glass products are improved.

CN119717931APending Publication Date: 2025-03-28CHANGJIANG GLASS TAIBO
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Patent Information

Application Number
CN202411652782.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The temperature in the glass kiln is unstable, resulting in defects in the quality of glass products. The prior art controls the natural gas flow by adjusting the opening of the gate, but the change in the external temperature still affects the temperature stability.

Method used

A constant temperature control system for natural gas pipelines in glass kilns is designed, including temperature control module, flow regulation module, safety and alarm mechanism module, user interface and remote monitoring module. The system adopts hardware components such as temperature sensors, flowmeters, regulating valves, PLC controllers and HMI touch screens, combined with Kalman filtering algorithms and PID control algorithms to achieve precise adjustment and control of temperature and flow.

Benefits of technology

By collecting and processing key operating data in real time, the system can quickly respond to temperature fluctuations, eliminate steady-state errors, ensure that the internal temperature of the kiln is always within the set range, improve the stability and flexibility of temperature control, and have a complete safety and alarm mechanism to prevent potential safety accidents.

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Abstract

The invention belongs to the technical field of natural gas pipeline control, and discloses a constant temperature control system for a natural gas pipeline in a glass kiln and a control method thereof.The constant temperature control system comprises system architecture design, a temperature control module, a flow adjusting module, a safety and alarm mechanism module and a user interface and remote monitoring module; the hardware assembly comprises a temperature sensor, a flow meter, a regulating valve, a PLC (Programmable Logic Controller) and an HMI (Human Machine Interface) touch screen. Through the synergistic effect of three links of proportion, integration and differentiation, accurate adjustment of the temperature of the kiln is achieved, the control mode not only can quickly respond to temperature fluctuation, but also can effectively eliminate steady-state errors and ensure that the internal temperature of the kiln is always maintained within a set range, in addition, the system further has flow adjustment logic, and the flow adjustment speed is improved. The natural gas flow can be automatically adjusted according to the deviation between the current temperature and the set temperature, and the stability and flexibility of temperature control are further enhanced.
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