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Comprehensive intelligent temperature control method for smelting furnace of glass kiln

A temperature control method and glass furnace technology, applied in glass furnace equipment, glass manufacturing equipment, program control and other directions, can solve the problems of temperature stability, lack of energy saving, effective control, etc., to achieve timely adjustment, ensure effective control, combustion stable effect

Inactive Publication Date: 2007-01-03
桂林电子工业学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the control object of glass furnace melting temperature is a multi-variable and strongly nonlinear object. The current control method is still unable to achieve effective control for various factors, and there are also deficiencies in temperature stability and energy saving.

Method used

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  • Comprehensive intelligent temperature control method for smelting furnace of glass kiln
  • Comprehensive intelligent temperature control method for smelting furnace of glass kiln
  • Comprehensive intelligent temperature control method for smelting furnace of glass kiln

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Embodiment Construction

[0015] The comprehensive intelligent melting furnace temperature control method for glass furnaces of the present invention is used for glass melting furnaces that use heavy oil as fuel. The schematic diagram of the equipment structure is as follows figure 1 As shown, its equipment includes an oil tank 4, an oil pressure regulator 10, an oil supply valve 6, and an oil return valve 1. The oil inlet pipe 3 is connected to the top of the oil tank 4, and there is an oil return pipe 2 connected to the bottom of the oil tank 4. Valve 1, the oil supply pipe 5 connected to the bottom of the oil tank 4 has an oil supply valve 6, the oil supply pipe 5 is connected to the spray gun 8 through the heavy oil preheating facility 9, and the heavy oil with a certain oil pressure is sprayed out through the spray gun 8 for atomization and combustion , heating the glass furnace 7 . Furnace 7 is divided into left and right parts, and corresponding spray guns 8 are also divided into left and right ...

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Abstract

The comprehensive intelligent temperature control method for glass kiln is to use industrial control computer in detecting and regulating oil returning valve and oil feeding valve opening and oil pressure. Based on practical temperature inside kiln and oil viscosity, the present invention determines the oil pressure value to reach the required temperature with the nerve network-I. In order to reduce the effect of varying oil feeding valve, the present invention determines the compensation value of the oil returning valve opening with the nerve network-II. The present invention realizes the effective control of kiln temperature through the separate compensation of oil quality fluctuation and oil feeding valve on the oil pressure and the double control of temperature and oil pressure with two independent closed loops.

Description

(1) Technical field [0001] The invention relates to a method for controlling the temperature of an industrial melting furnace, in particular to a method for controlling the temperature of a comprehensive intelligent melting furnace for a glass furnace. (2) Technical background [0002] The glass kiln that uses heavy oil as fuel to produce high-grade daily-use glass bottles has a large volume. In order to make the internal temperature uniform, the furnace body is divided into two parts, and the heating is switched in turn, usually every 30 minutes. The exchange process requires a short time. Since the furnace is fed on one side of the furnace body, the two parts of the furnace body are affected differently by interference and the temperature changes are different. For different furnace body temperatures, the required heating fire intensity is different. When the fire is too large, it is easy to cause temperature overshoot, and if the fire is too small, the temperature rises ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/404G05B13/00C03B5/00
Inventor 谭永红党选举陈辉
Owner 桂林电子工业学院
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