Optimizing method for setting temperature of walking beam billet heating furnace

A billet heating and optimization method technology, applied to lighting and heating equipment, furnace control devices, furnaces, etc., can solve the problems of high energy consumption, low heating precision, low energy utilization rate, etc., and achieve low energy consumption and high heating precision , the effect of high energy utilization

Active Publication Date: 2019-09-27
CENT SOUTH UNIV
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Problems solved by technology

[0002] In the prior art, there is no method for optimizing the setting temperature of the walking beam billet heating furnace, so the setting temperature of the walking beam billet heating furnace is set according to experience, so the heating accuracy is low, the energy utilization rate is low, and the energy utilization rate is low. consumes a lot

Method used

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  • Optimizing method for setting temperature of walking beam billet heating furnace
  • Optimizing method for setting temperature of walking beam billet heating furnace
  • Optimizing method for setting temperature of walking beam billet heating furnace

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Embodiment Construction

[0030] Utilize the present invention for such as figure 1 The method for optimizing the setting temperature of the walking beam type billet heating furnace includes the following steps:

[0031] Step A. Construct the multi-objective optimization function J:

[0032]

[0033] Among them, T i is the exit temperature of the i-th billet, T A is the target temperature of billet out of the furnace, ΔT imax is the maximum temperature difference of the i-th billet out of the furnace, SFC i is the fuel consumption rate of the heating furnace when the i-th billet comes out of the furnace, M and N are the weight coefficients set according to the optimization scenario, and n is the number of billets.

[0034] Step B. Equivalently transform the multi-objective optimization function J to include the set temperature T of each control area spj The multi-objective optimization function; where T spj is the set temperature for the jth control zone. In this embodiment, the number of con...

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Abstract

The invention discloses a method for optimizing the set temperature of a walking-beam-type billet heating furnace. The method includes the steps that a multi-objective optimization function J (shown in the description) is constructed, wherein Ti is the tapping temperature of an ith billet, TA is the target tapping temperature of the billet, deltaTimax is the maximum tapping temperature differenceof the billet, SFCi is the fuel consumption rate of the heating furnace in tapping of the ith billet, and M and N are weight coefficients set according to an optimization scene; the multi-objective optimization function J is equivalently transformed into a multi-objective optimization function containing the set temperature Tspj of each control zone; the target tapping temperature TA of the billetis given, and the multi-objective optimization function obtained after equivalent transformation is solved to obtain a group of solutions containing the set temperature Tspj of each control zone andmaking J minimum. The method has the advantages that the operation process is simple, the heating precision is high, the energy utilization rate is high, and the energy consumption is low.

Description

technical field [0001] The invention belongs to the technical field of a walking beam type billet heating furnace, and in particular relates to a method for optimizing the setting temperature of a walking beam type billet heating furnace. Background technique [0002] In the prior art, there is no method for optimizing the setting temperature of the walking beam billet heating furnace, so the setting temperature of the walking beam billet heating furnace is set according to experience, so the heating accuracy is low, the energy utilization rate is low, and the energy utilization rate is low. consumes a lot. Facing the urgent needs of energy saving and consumption reduction in the iron and steel industry, there is an urgent need for a method for optimizing the temperature setting of a walking beam billet heating furnace to improve heating accuracy and energy utilization and reduce energy consumption. Contents of the invention [0003] The object of the present invention is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D19/00F27B9/40
Inventor 王春生高博王渭刘子建王向莉
Owner CENT SOUTH UNIV
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