CN108955925A - A kind of intelligent temperature regulation system based on thermocouple detection - Google Patents
A kind of intelligent temperature regulation system based on thermocouple detection Download PDFInfo
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- CN108955925A CN108955925A CN201810493035.1A CN201810493035A CN108955925A CN 108955925 A CN108955925 A CN 108955925A CN 201810493035 A CN201810493035 A CN 201810493035A CN 108955925 A CN108955925 A CN 108955925A
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- temperature
- thermocouple
- warm unit
- attenuation rate
- regulation system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- General Physics & Mathematics (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of intelligent temperature regulation systems based on thermocouple detection；Model construction module is used to establish the temperature model of corresponding relationship between temperature-averaging attenuation rate and DIE Temperature；N thermocouple is adopted warm unit and is sequentially arranged along steel smelting furnace wall thickness direction from inner wall to outer wall in temperature collecting module, and the temperature for acquiring corresponding position in converter furnace wall；Information analysis module is used to calculate the average attenuation rate of n temperature value based on the n temperature value that n thermocouple adopts warm unit, and corresponding DIE Temperature value is inquired in temperature model based on above-mentioned average attenuation rate.The invention avoids the operations being directly acquired using thermocouple to the high temperature of center in converter, on the one hand damage of the high temperature to thermocouple performance and used life is reduced, on the other hand the thermocouple for avoiding performance impairment impacts temperature acquisition result, guarantees the safety of temperature acquisition process and the accuracy of temperature acquisition result.
Description
Technical field
The present invention relates to temperature detection technical field more particularly to a kind of intelligent temperature regulations based on thermocouple detection
System.
Background technique
Steel-making, which refers to, is put into the pig iron in converter, and controls carbon content (generally less than 2%) in refining process, eliminates
P, the harmful elements such as S, O, N retain or increase the beneficial elements such as Si, Mn, Ni, Cr and adjust the ratio between element, to obtain
The steel of optimum performance.Smelting temperature in converter is one of the direct factor for directly affecting finished steel effect, to improve steel-making
Effect needs that the temperature in converter is detected and adjusted.The temperature of converter is up to 4000 DEG C, in such hot environment
Under, if directly removing the DIE Temperature in middle position in acquisition converter using thermocouple, can directly to the performance of thermocouple and adopt
Collection precision impacts, a kind of therefore, it is necessary to safeties higher, the stronger temperature regulation system of accuracy.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of intelligent temperature based on thermocouple detection
Regulator control system.
Intelligent temperature regulation system proposed by the present invention based on thermocouple detection, comprising:
Model construction module, for establishing the temperature model of corresponding relationship between temperature-averaging attenuation rate and DIE Temperature；
Temperature collecting module, including n thermocouple adopt warm unit, and n thermocouple adopts warm unit along steel smelting furnace wall thickness
Direction is sequentially arranged from inner wall to outer wall, each thermocouple adopts warm unit and is used to corresponding position in acquisition converter furnace wall
Temperature；
Information analysis module, the n temperature value for adopting warm unit based on n thermocouple calculate the flat of n temperature value
Equal attenuation rate, and corresponding DIE Temperature value is inquired in temperature model based on above-mentioned average attenuation rate.
Preferably, the model construction module is specifically used for:
In p use process of converter, the actual temperature of center and converter furnace wall in q acquisition converter
The attenuation rate of temperature, and establish corresponding relationship between the two, and based on above-mentioned corresponding relationship establish temperature-averaging attenuation rate with
Temperature model between DIE Temperature；
Wherein, q >=p.
Preferably, in the temperature collecting module, n thermocouple adopts warm unit and corresponds to position for acquiring in converter furnace wall
The temperature set, the n temperature value are successively denoted as T1、T2、T3……Tn。
Preferably, the information analysis module is specifically used for:
Obtain the n temperature value T that n thermocouple adopts warm unit1、T2、T3……Tn；
Calculate T1、T2、T3……TnIn every two adjacent temperature value difference, be successively denoted as A1、A2、A3……An-1；
The average value k of n-1 difference is calculated, and using k as the average attenuation rate of n temperature value, wherein k=(A1+A2+
A3+……+An-1)/(n-1)；
The corresponding DIE Temperature value of k is inquired in temperature model according to k and is exported.
Preferably, in the temperature collecting module, n thermocouple adopts the position of warm unit relative to steel smelting furnace bottom
Height it is identical.
Preferably, in the temperature collecting module, n thermocouple adopts the position of warm unit relative to steel smelting furnace bottom
Height it is different.
Preferably, in the temperature collecting module, n thermocouple adopts the position of warm unit relative to steel smelting furnace bottom
Height have m kind；
Wherein, 1 < m < n.
Intelligent temperature regulation system proposed by the present invention based on thermocouple detection, avoids and directly uses thermocouple pair
On the one hand the operation that the high temperature of center is acquired in converter reduces high temperature to thermocouple performance and used life
Damage, the thermocouple on the other hand avoiding performance impairment impact temperature acquisition result, guarantee temperature acquisition process
The accuracy of safety and temperature acquisition result.Specifically: the present invention passes through acquisition steel smelting furnace wall temperature, analysis steel smelting furnace
The attenuation rate of the temperature of wall different location seeks the actual temperature of converter center, improves temperature and seeks
Validity, the present invention establish the temperature mould for the corresponding relationship that temperature damping leads between DIE Temperature using multiple empirical value
Type is established reliable and stable model using historical temperature data to seek process for temperature and provides effective data basis, from
And the general warranty temperature regulation system is to the specific aim and precision of converter inner core temperature acquisition.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent temperature regulation system based on thermocouple detection.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of intelligent temperature regulation systems based on thermocouple detection proposed by the present invention.
Referring to Fig.1, the intelligent temperature regulation system proposed by the present invention based on thermocouple detection, comprising:
Model construction module, for establishing the temperature model of corresponding relationship between temperature-averaging attenuation rate and DIE Temperature；
In present embodiment, the model construction module is specifically used for:
In p use process of converter, the actual temperature of center and converter furnace wall in q acquisition converter
The attenuation rate of temperature, and establish corresponding relationship between the two, and based on above-mentioned corresponding relationship establish temperature-averaging attenuation rate with
Temperature model between DIE Temperature；Wherein, q >=p；
Temperature model is established by collecting and counting multiple historical temperature data, advantageously ensures that the stabilization of temperature model
Validity, to offer precise data basis for following temperature search procedure.
Temperature collecting module, including n thermocouple adopt warm unit, and n thermocouple adopts warm unit along steel smelting furnace wall thickness
Direction is sequentially arranged from inner wall to outer wall, each thermocouple adopts warm unit and is used to corresponding position in acquisition converter furnace wall
Temperature；For convenience of the simplicity analyzed in subsequent step n temperature value, the n temperature value is successively denoted as T1、T2、
T3……Tn。
Information analysis module, the n temperature value for adopting warm unit based on n thermocouple calculate the flat of n temperature value
Equal attenuation rate, and corresponding DIE Temperature value is inquired in temperature model based on above-mentioned average attenuation rate.
In present embodiment, the information analysis module is specifically used for:
Obtain the n temperature value T that n thermocouple adopts warm unit1、T2、T3……Tn；
Calculate T1、T2、T3……TnIn every two adjacent temperature value difference, be successively denoted as A1、A2、A3……An-1；
The average value k of n-1 difference is calculated, and using k as the average attenuation rate of n temperature value, wherein k=(A1+A2+
A3+……+An-1)/(n-1)；By calculating the average value of n-1 temperature gap, it is capable of the size of balanced n-1 temperature gap
Influence between difference, guarantees the stability of average value k, to improve the essence based on k inquiry DIE Temperature value in subsequent process
Degree；
The corresponding DIE Temperature value of k is inquired in temperature model according to k and is exported.
In further carrying out example, in the temperature collecting module, the position that n thermocouple adopts warm unit is opposite
Height in steel smelting furnace bottom is identical, i.e., n thermocouple adopts warm unit and be arranged side by side, from the sustained height of converter furnace wall to temperature
Degree attenuation rate is analyzed.
In further carrying out example, in the temperature collecting module, the position that n thermocouple adopts warm unit is opposite
Height in steel smelting furnace bottom is different, i.e., the mounting height that n thermocouple adopts warm unit is all different, with from different height
Different location leads temperature damping and analyzes, and is conducive to improve the comprehensive of analytic process, guarantees the validity of analysis result.
In further carrying out example, in the temperature collecting module, the position that n thermocouple adopts warm unit is opposite
Height in steel smelting furnace bottom has m kind；Wherein, 1 < m < n；That is n thermocouple adopts in warm unit that there are at least two thermocouples to adopt
The mounting height of warm unit is identical, adopts the diversity of warm unit mounting height by increase thermocouple to improve the complete of temperature acquisition
Face property and precision.
The intelligent temperature regulation system based on thermocouple detection that present embodiment proposes, avoids and directly uses thermoelectricity
On the one hand the operation that the high temperature of center is acquired in couple converter reduces high temperature to thermocouple performance and uses the longevity
The damage of life, the thermocouple on the other hand avoiding performance impairment impact temperature acquisition result, guarantee temperature acquisition mistake
The safety of journey and the accuracy of temperature acquisition result.Specifically: present embodiment passes through acquisition steel smelting furnace wall temperature, analysis
The attenuation rate of the temperature of converter furnace wall different location seeks the actual temperature of converter center, to improve temperature
Spend the validity sought, what present embodiment established that temperature damping leads between DIE Temperature using multiple empirical value corresponding closes
The temperature model of system is established reliable and stable model using historical temperature data to seek process for temperature and provides effective number
According to basis, thus specific aim and precision of the general warranty temperature regulation system to converter inner core temperature acquisition.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of intelligent temperature regulation system based on thermocouple detection characterized by comprising
Model construction module, for establishing the temperature model of corresponding relationship between temperature-averaging attenuation rate and DIE Temperature；
Temperature collecting module, including n thermocouple adopt warm unit, and n thermocouple adopts warm unit along steel smelting furnace wall thickness direction
It is sequentially arranged from inner wall to outer wall, each thermocouple adopts the temperature that warm unit is used to corresponding position in acquisition converter furnace wall
Degree；
Information analysis module, the n temperature value for adopting warm unit based on n thermocouple calculate being averaged for n temperature value and decline
Lapse rate, and corresponding DIE Temperature value is inquired in temperature model based on above-mentioned average attenuation rate.
2. the intelligent temperature regulation system according to claim 1 based on thermocouple detection, which is characterized in that the mould
Type building module is specifically used for:
In p use process of converter, the actual temperature and steel smelting furnace wall temperature of center in q acquisition converter
Attenuation rate, and establish corresponding relationship between the two, and temperature-averaging attenuation rate and core are established based on above-mentioned corresponding relationship
Temperature model between temperature；
Wherein, q >=p.
3. the intelligent temperature regulation system according to claim 1 based on thermocouple detection, which is characterized in that the temperature
It spends in acquisition module, n thermocouple adopts warm unit for acquiring the temperature of corresponding position in converter furnace wall, the n temperature
Value is successively denoted as T1、T2、T3……Tn。
4. the intelligent temperature regulation system according to claim 3 based on thermocouple detection, which is characterized in that the letter
Breath analysis module is specifically used for:
Obtain the n temperature value T that n thermocouple adopts warm unit1、T2、T3……Tn；
Calculate T1、T2、T3……TnIn every two adjacent temperature value difference, be successively denoted as A1、A2、A3……An-1；
The average value k of n-1 difference is calculated, and using k as the average attenuation rate of n temperature value, wherein k=(A1+A2+A3
+……+An-1)/(n-1)；
The corresponding DIE Temperature value of k is inquired in temperature model according to k and is exported.
5. the intelligent temperature regulation system according to claim 1-4 based on thermocouple detection, feature exist
In in the temperature collecting module, the position that n thermocouple adopts warm unit is identical relative to the height at steel smelting furnace bottom.
6. the intelligent temperature regulation system according to claim 1-4 based on thermocouple detection, feature exist
In in the temperature collecting module, n thermocouple adopts the mutual not phase of height of the position of warm unit relative to steel smelting furnace bottom
Together.
7. the intelligent temperature regulation system according to claim 1-4 based on thermocouple detection, feature exist
In in the temperature collecting module, the position that n thermocouple adopts warm unit has m kind relative to the height at steel smelting furnace bottom；
Wherein, 1 < m < n.
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| CN102998013A (en) * | 2012-11-27 | 2013-03-27 | 清华大学 | Soft sensing method for true temperature of pyrolysis mixed products at outlet of ethylene cracking furnace |
| CN104568187A (en) * | 2014-12-31 | 2015-04-29 | 中冶长天国际工程有限责任公司 | Method and device for detecting temperature of rotary kiln |
| CN106225943A (en) * | 2016-08-31 | 2016-12-14 | 南京理工大学连云港研究院 | A kind of device and method measuring high quartz melting furnace temperature based on Transient Heat Transfer theory |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004027314A (en) * | 2002-06-27 | 2004-01-29 | Jfe Steel Kk | Method for presuming temperature of material to be heated |
| CN101354293A (en) * | 2008-06-25 | 2009-01-28 | 西北化工研究院 | System for measuring temperature of coal gas flow bed gasification reactor and method for measuring temperature of coal gas flow bed gasification reactor using the same |
| CN102021260A (en) * | 2009-09-18 | 2011-04-20 | 鞍钢股份有限公司 | Blast furnace profile monitoring system |
| CN102095516A (en) * | 2011-01-07 | 2011-06-15 | 浙江大学 | Method for measuring temperature of scrap copper smelting furnace |
| CN102706465A (en) * | 2012-05-23 | 2012-10-03 | 中昊晨光化工研究院 | Temperature measuring method |
| CN102998013A (en) * | 2012-11-27 | 2013-03-27 | 清华大学 | Soft sensing method for true temperature of pyrolysis mixed products at outlet of ethylene cracking furnace |
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Application publication date: 20181207 |