Combustion energy-saving automatic control device of coal-burning chain boiler

A technology of automatic control device and chain boiler, which is applied to control systems, steam boilers, steam boiler accessories, etc., can solve the problems of low operating pressure of combustion boilers, low quality of operators, and unmatched loads, so as to reduce emissions and reduce The effect of equipment investment and simplified operation

Inactive Publication Date: 2008-09-24
刘德胜
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a coal-fired chain boiler combustion energy-saving autom

Method used

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  • Combustion energy-saving automatic control device of coal-burning chain boiler

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Experimental program
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Embodiment 1

[0016] Example 1, see figure 1 , on-site sensor 1 is installed on the coal-fired chain boiler. The on-site sensor 1 includes on-site sensors such as drum water level, steam pressure, furnace negative pressure, flue gas oxygen content, and deaerator. The controller and monitoring configuration 2 are connected, and the adjustment controller is preset with a certain program. At the same time, the field sensor 1 is connected to the data acquisition module 3 through the line, and the adjustment controller and the monitoring configuration 2 are connected to the frequency converter 4 through the line to form a The liquid level closed-loop control system composed of the on-site sensor 1, the regulating controller, the monitoring configuration 2 and the frequency converter 4; the regulating controller, the monitoring configuration 2 and the data acquisition module 3 are respectively connected with the industrial PC 5 The PC 5 is connected with the printer 6 through a line, and finally ...

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Abstract

The invention discloses an automatic control device for the energy saving combustion of a coal burning chain boiler. The invention is characterized in that the device comprises an in-situ sensor (1) which is connected with a regulation controller, the monitoring configuration (2) and a data collection module (3) through the lines respectively; the regulation controller and the monitoring configuration (2) are connected with a transducer (4) through the lines; the regulation controller, the monitoring configuration (2) and the data collection module (3) are respectively connected with an industrial PC machine (5) through the lines; the industrial PC machine (5) is connected with a printer (6) through the line. The automatic control device for the energy saving combustion of a coal burning chain boiler has the advantages of the advanced controlling performance, high reliability, stable operation and high energy saving rate.

Description

Technical field: [0001] The invention relates to the technical field of boiler combustion control, in particular to an automatic control device for combustion and energy saving of a coal-fired chain boiler. Background technique: [0002] Currently, chain grate boilers maintain a dominant position in the industry, accounting for more than 2 / 3 of all boilers. In recent years, China's industrial boiler design and manufacturing technology has been greatly developed and improved, especially in the design and manufacture of pressure parts. However, there are still some problems in combustion technology, supporting auxiliary equipment and overall level. The problem is that the operating pressure of the boiler is often low, generally only about 50% of the rated working pressure of the boiler, and it is often operated at low load, and the actual operating efficiency is generally 5% to 10% lower than the rated efficiency of the boiler. The main problems in the use and operation of th...

Claims

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Application Information

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IPC IPC(8): F22B35/18F22B37/38F22B37/46
Inventor 孙前程耿仁波刘德胜张清林
Owner 刘德胜
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