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Method for automatically adjusting temperature of coke ovenAutomatic coke oven temperature adjusting method

An automatic adjustment, coke oven technology, applied in coke oven, petroleum industry, design optimization/simulation, etc., can solve the problems of uncontrollable precision and low efficiency, and achieve the effect of avoiding coke overheating

Pending Publication Date: 2020-09-11
NANJING HUYOU METALLURGY MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned technical problems of how to accurately and stably control the temperature of the coke oven and replace the manual observation of the oven temperature to adjust the temperature of the coke oven used by most coke ovens, the technical problems of low efficiency and uncontrollable precision, the present invention provides A method for automatically adjusting the temperature of the coke oven, by which the temperature of the coke oven can be automatically adjusted and controlled in real time instead of manpower, so that the temperature of the coke oven can be more accurate and stable, the quality of coke can be improved and the disorder caused by black smoke from coke pushing can be reduced To discharge environmental pollution, the specific steps are:

Method used

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  • Method for automatically adjusting temperature of coke ovenAutomatic coke oven temperature adjusting method
  • Method for automatically adjusting temperature of coke ovenAutomatic coke oven temperature adjusting method
  • Method for automatically adjusting temperature of coke ovenAutomatic coke oven temperature adjusting method

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Effect test

Embodiment 1

[0036] When the coke oven combustion chamber is taken as 60 holes, there are 61 combustion chambers, and the straight-line temperature of each combustion chamber is calculated as: Take time t 1 is a fixed value after coke oven exchange, preferably 20s, and the cooling drop temperature curves of all combustion chambers are obtained according to the above-mentioned modeling method,

[0037] Select N=1, that is, 5 fixed combustion chambers, 5 is the serial number, measure the temperature every 1 minute, and measure continuously for 27 minutes, take the average value of 6 sets of temperature data measured once as a temperature value, and draw a temperature The T-time t cooling curve is used as the standard cooling drop temperature curve T(t) for a period of time, and is drawn again according to the above method at an interval of 4-6 months to update the previous cooling drop temperature curve, where N is a positive integer.

[0038] In order to specifically illustrate the present ...

Embodiment 2

[0049] When the coke oven combustion chamber is taken as 60 holes, there are 61 combustion chambers, and the straight-line temperature of each combustion chamber is calculated as: Take time t 1 It is a fixed value after the coke oven is exchanged, preferably 20s. According to the above measurement method, the cooling drop temperature value curve of all combustion chambers is obtained. For all combustion chambers, the temperature is measured every 1 minute, and the temperature is measured continuously for 27 minutes, and the temperature value of each measurement is taken and time, draw a temperature T-time t cooling curve as the corresponding combustion chamber cooling drop temperature curve T in a period of time x (t), draw again according to the above method at an interval of 4-6 months, and update the previous cooling drop temperature curve, wherein N is a positive integer.

[0050] Calculate the straight-ahead temperature of the X-th combustion chamber, and the temperature-...

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Abstract

The invention provides a method for automatically adjusting the temperature of a coke oven, which comprises the following steps of: constructing a feedforward heat requirement model to calculate the heat index Q required by coking, namely f (T, W, G...), and the like), where T is the air temperature, W is the coal blending moisture, and G is the coal charging amount; constructing a feedback actual heat model to calculate an actual heat index Q < real > = f (T < straight >, K < fire drop > and the like...) provided by the coke oven, wherein T < straight > is a straight temperature, and K < fire drop > is a fire drop management index; and calculating the difference between Q and Q, and sending a working signal of a heating gas main valve and / or a machine / coke flue flap control actuating mechanism through the difference. According to the method, cCoking heat consumption can be reduced to save energy; in addition, coke pushing difficulty caused by insufficient fire of coke can be avoided,damage to the furnace body is reduced, the service life of the coke oven is prolonged, the labor efficiency of temperature adjustment work of the coke oven is improved, the temperature adjustment work of the coke oven does not depend on staff work time, personal work experience level and staff responsibility any more, and intelligent work of coke oven production is promoted.

Description

technical field [0001] The invention belongs to the technical field of coke oven heating equipment and control, in particular to an automatic adjustment method for coke oven temperature. Background technique [0002] The coke oven is the most complex industrial kiln. Each coke oven has thousands of vertical fire channels to heat the coke oven carbonization chamber. The temperature of the coke oven is the most important indicator of coking production management. It not only seriously affects the coke output And quality, but also affect the environmental protection of coke oven production and coke oven life. The coke oven temperature is affected by many factors. At present, most of the coke oven temperature management in my country still relies on manual temperature measurement and adjustment of the coke oven heating system based on manual experience. The stability of the oven temperature is not good, and the labor efficiency is not good. High, often when the temperature of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20C10B57/00
CPCC10B57/00Y02P20/129
Inventor 武良辰武兆乾
Owner NANJING HUYOU METALLURGY MACHINERY MFG
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