Pot furnace flame path negative pressure automatic control system and method

An automatic control system and negative pressure technology, applied in furnace control devices, furnaces, furnace components, etc., can solve problems such as affecting furnace productivity and product quality, low control level, and insufficient volatile combustion, and improve production stability. and thermal efficiency, the effect of moderate flame length

Inactive Publication Date: 2015-09-23
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Abstract
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Problems solved by technology

[0002] Due to the use of indirect heating mode, the tank-type calciner is favored by the market because of its uniform material heating rate, small burning loss, and high product quality. However, the tank-type calciner has a low level of control during the production process and relies entirely on the state of the furnace body itself. and operating experience, so it is necessary to improve the automatic control technology of the retort furnace
The negative pressure control is the prem

Method used

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  • Pot furnace flame path negative pressure automatic control system and method

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Embodiment Construction

[0012] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the embodiments.

[0013] As shown in the figure, the negative pressure automatic control system of the fire path of the tank type furnace of the present invention is composed of the following structure: a pressure detection transmitter 2 is provided at the entrance 1 of the fire path on the first floor, and the connection between the pressure detection transmitter 2 and the controller 3 The input terminal is connected, the output terminal of the controller 3 is connected with the actuator 4, and the actuator 4 is connected with the fire path negative pressure pull plate 5; the controller 3 is a PID feedback controller, and the actuator 4 is installed on the back wall.

[0014] The control method of the negative pressure automatic control system of the fire path of the tank type furna...

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Abstract

The invention relates to a negative pressure automatic control system and method, and especially relates to a pot furnace flame path negative pressure automatic control system and method, wherein the pot furnace is used for producing anodes, cathodes, electrodes and carbon graphitized materials which are used for aluminium in the carbon industry. The pot furnace flame path negative pressure automatic control system is formed in a way that a first layer flame path entrance is provided with a pressure detection transmitter, the pressure detection transmitter is connected with the input terminal of a controller, the output terminal of the controller is connected with an actuator, and the actuator is connected with a flame path negative pressure pulling plate. The pot furnace flame path negative pressure automatic control system is advantaged in that the opening degree of the flame path negative pressure pulling plate can be automatically adjusted according to the position of each first layer flame path entrance, furthermore the pressure of the flame path entrance is controlled accurately, and therefore the pressure distribution of the whole flame path is controlled. It is guaranteed that the length of the flame in the flame path is moderate, and the production stability and the thermal efficiency of the pot furnace can be improved.

Description

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Claims

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Application Information

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Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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