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A kiln temperature-pressure decoupling control method, device, equipment and system

A technology of decoupling control and pressure control, applied in equipment and system, kiln temperature-pressure decoupling control method, and device field, can solve problems such as kiln temperature-pressure multivariable system decoupling, and achieve stable pressure in the kiln , Improve control accuracy, reduce the effect of unqualified rate

Active Publication Date: 2020-04-10
厦门佳浴智能卫浴有限公司
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  • Claims
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Problems solved by technology

[0004] In view of this, the purpose of the embodiment of the present invention is to provide a kiln temperature-pressure decoupling control method, device, equipment and system to improve the decoupling problem of the kiln temperature-pressure multivariable system in the prior art

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  • A kiln temperature-pressure decoupling control method, device, equipment and system
  • A kiln temperature-pressure decoupling control method, device, equipment and system
  • A kiln temperature-pressure decoupling control method, device, equipment and system

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0056] It should be noted that like numerals and let...

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Abstract

The invention provides a kiln temperature-pressure decoupling control method, device, equipment and system, and relates to the technical field of engineering control. The method comprises the following steps: the temperature T(c) and the pressure P(c) on a zero-pressure surface are received, wherein the zero-pressure surface is positioned at an open end of a kiln body firing zone of a kiln; a temperature control loop and a pressure control loop of the kiln are partially decoupled; and a temperature control quantity T(c) and a pressure control quantity P(c) after decoupling are obtained, and are converted to the blast furnace valve openness and the smoke discharge fan rotating speed for outputting. Through use of the partial decoupling measure, the zero-pressure surface is positioned at thetail end of a preheating zone, so that the kiln internal temperature fluctuation is greatly reduced, the temperature and pressure control precision of the kiln body firing zone is improved, and the product quality is guaranteed.

Description

technical field [0001] The invention relates to the technical field of engineering control, in particular to a kiln temperature-pressure decoupling control method, device, equipment and system. Background technique [0002] With the development of construction industry technology, people put forward higher requirements for the production efficiency and control methods of ceramic kilns, and put forward updated requirements in the fields of kiln burners, kiln automatic control, refractory materials, and kiln anti-pollution and noise prevention. . The traditional kiln control method is as follows: PID control strategy is used to control the gas flow for the temperature of the firing zone; proportional control is used for the atmosphere control, and the air-fuel ratio is not adjusted, and it is always a constant value; a single closed-loop is used for the pressure control of the exhaust fan control. These multi-variable control methods do not consider the coupling relationship...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B9/40
CPCF27B9/40F27M2001/1504
Inventor 刘美俊
Owner 厦门佳浴智能卫浴有限公司
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