CN105547488A - Multi-probe blind-angle-free temperature measuring device of rotary kiln and detection method of temperature measuring device - Google Patents
Multi-probe blind-angle-free temperature measuring device of rotary kiln and detection method of temperature measuring device Download PDFInfo
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- CN105547488A CN105547488A CN201510946342.7A CN201510946342A CN105547488A CN 105547488 A CN105547488 A CN 105547488A CN 201510946342 A CN201510946342 A CN 201510946342A CN 105547488 A CN105547488 A CN 105547488A
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- 238000009529 body temperature measurement Methods 0.000 abstract description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0044—Furnaces, ovens, kilns
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Abstract
The invention belongs to the technical field of infrared temperature measurement, and especially to a multi-probe blind-angle-free temperature measuring device of a rotary kiln. The multi-probe blind-angle-free temperature measuring device comprises a main infrared temperature measuring instrument, multiple auxiliary infrared temperature measuring instruments and a processing module, wherein the main infrared temperature measuring instrument scans any axial position of a rotary kiln body, the auxiliary infrared temperature measuring instruments are arranged beside the main infrared temperature measuring instrument, the axial scanning positions of the auxiliary infrared temperature measuring instruments along the rotary kiln body correspond with the blind area of temperature measurement of the main infrared temperature measuring instrument, and the processing module corrects temperature information of the main infrared temperature measuring instrument according to the position information of the main and auxiliary temperature measuring instruments, rotation speed information of the rotary kiln and temperature information collected by the auxiliary temperature measuring instruments. The invention also discloses a detection method of the temperature measuring device. The auxiliary infrared temperature measuring instruments are arranged in the blind area of temperature measurement of the main infrared temperature measuring instrument, the processing module is arranged, and thus, complete temperature data of the rotary kiln is obtained.
Description
Technical field
The invention belongs to infrared temperature-test technology field, particularly a kind of rotary kiln Multi probe is without dead angle temperature measuring equipment and detection method thereof.
Background technology
Rotary kiln is the key processing equipment of material calcining, and kiln lining is key factor that is production increases with quality up and cost of production down in rotary kiln production and long-term safety running, and temperature is too high, the badly damaged kiln lining of conference is crossed in thermal oscillation, even brings disaster to kiln body.In industrial circle, normal use high speed infrared temperature measurement scanner realizes the temperature detection to rotary kiln surface.
At present, generally according to the length of rotary kiln body, the infrared temperature measurement scanner of a configuration wide-angle field angle, infrared temperature measurement scanner is allowed to aim at a certain axial location of rotary kiln body, after rotary kiln rotates one week, by image mosaic technology, realize the temperature detection to 360 degree, kiln surface.Owing to often having the buildingss such as some supports, collector mat, airduct before rotary kiln and infrared temperature measurement scanner, rotary kiln part local is stopped, thus causes a lot of thermometric dead angle, so just there is the place much cannot detected.Although shielded area can be reduced by finding suitable position around rotary kiln, arrange all check frequency to be there is in any case.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of rotary kiln Multi probe without dead angle temperature measuring equipment, detection rotary kiln temperature that can be complete.
For realizing above object, the technical solution used in the present invention is: a kind of rotary kiln Multi probe, without dead angle temperature measuring equipment, comprises a main infrared thermometer, multiple from infrared thermometer and processing module; Arbitrary axial location of described main infrared thermometer scanning rotary kiln body, is arranged on the side of rotary kiln body from infrared thermometer and matches from infrared thermometer along the thermometric blind area of the axial scan position of rotary kiln body and main infrared thermometer; Processing module is according to the rotary speed information of the positional information of master and slave infrared thermometer and rotary kiln, revise from the temperature information of temperature information to main infrared thermometer of infrared thermometer collection.
Compared with prior art, there is following technique effect in the present invention: by the thermometric blind area design at main infrared thermometer from infrared thermometer, according to the position of master and slave infrared thermometer and the rotating speed of rotary kiln, the temperature data obtained from infrared thermometer is replaced the thermometric blind area data of main infrared thermometer again by set handling module, thus obtain complete kiln temperature data.
Another object of the present invention is the detection method providing a kind of rotary kiln Multi probe without dead angle temperature measuring equipment, detection rotary kiln temperature that can be complete.
For realizing above object, the technical solution used in the present invention is: a kind of rotary kiln Multi probe as claimed in claim 1, without the detection method of dead angle temperature measuring equipment, comprises the steps: that (A) obtains the thermometric length range of main infrared thermometer relative to the installation site of rotary kiln, field angle according to main infrared thermometer; (B) according to the thermometric length range, the thermometric length direction starting point that obtain from infrared thermometer relative to the installation site of rotary kiln, field angle from infrared thermometer; (C) obtain the thermometric blind area of main infrared thermometer relative to the installation site of rotary kiln according to shelter; (D) according to steps A, B, C, set up the temperature substituted of rotary kiln axis, namely replace the point of main infrared thermometer in thermometric blind area with the temperature spot from infrared thermometer; (E) obtain from the differential seat angle between infrared thermometer and main infrared thermometer according to steps A, B; (F) differential seat angle obtained according to step e, that the rotating speed of rotary kiln obtains from the acquisition time of infrared thermometer and main infrared thermometer is poor, sets up the temperature adjustmemt formula from infrared thermometer according to this time difference; (G) according to the temperature substituted of step D, the temperature adjustmemt formula of step e, constantly replace the point for measuring temperature signal of main infrared thermometer thermometric blind area with the point for measuring temperature signal from infrared thermometer, obtain correct rotary kiln temperature.
Compared with prior art, there is following technique effect in the present invention: by temperature substituted, the corresponding relation of master and slave infrared thermometer temperature point in main infrared thermometer blind zone position can be obtained, make it possible to the data replacing main infrared thermometer to measure by the data measured from infrared thermometer; Meanwhile, the position difference due to master and slave infrared thermometer causes both scan axis different, by set temperature amendment type, can revise result, makes testing result very accurate.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2,3 is structural representations of the present invention's two different visual angles.
Embodiment
Below in conjunction with Fig. 1 to Fig. 3, the present invention is described in further detail.
Consult Fig. 1, a kind of rotary kiln Multi probe, without dead angle temperature measuring equipment, comprises a main infrared thermometer 10, multiple from infrared thermometer 20 and processing module 30; Described main infrared thermometer 10 scans arbitrary axial location of rotary kiln 40 kiln body, is arranged on the side of rotary kiln 40 kiln body and matches along the axial scan position of rotary kiln 40 kiln body and the thermometric blind area of main infrared thermometer 10 from infrared thermometer 20 from infrared thermometer 20; Processing module 30 is revised according to the rotary speed information of the positional information of master and slave infrared thermometer 10,20 and rotary kiln 40, the temperature information of temperature information to main infrared thermometer 10 that gather from infrared thermometer 20.By the measurement blind area design at main infrared thermometer 10 from infrared thermometer 20, then the data collected from infrared thermometer 20 are replaced the data of corresponding thermometric blind area in the data that main infrared thermometer 10 collects, so just achieve the comprehensive and accurate measurement of rotary kiln 40 kiln body, avoid the not comprehensive phenomenon of the thermometric caused because of the existence of shelter 50.
Consult Fig. 2, Fig. 3, as preferred version of the present invention, described main infrared thermometer 10 is arranged as follows: (S1) determines thermometric starting point and the thermometric final position of rotary kiln 40; (S2) position of the relative thermometric start position of shelter 50 and relative rotary kiln 40 is determined; (S3) optimum position of main infrared thermometer 10 and required field angle is obtained according to step S1, S2.Why will determine the optimum position of main infrared thermometer 10, one is ensure that thermometric blind area is little as much as possible, and two is ensure that thermometric blind area is few as much as possible.Thermometric blind area is little, needs the data of replacement just few; Thermometric blind area is few, and required is just few from infrared thermometer 20.
Preferably, describedly to arrange as follows from infrared thermometer 20: (S4) counts according to the thermometric comprised in the number of the position determination thermometric blind area of main infrared thermometer 10 and scope and each thermometric blind area; (S5) monitor the thermometric blind area of main infrared thermometer 10 from infrared thermometer 20 in the location arrangements of avoiding shelter 50, match from the number of infrared thermometer 20 and the number of thermometric blind area, described counting at the thermometric of thermometric blind area from infrared thermometer 20 is no less than main infrared thermometer 10 and is not counting by the thermometric of thermometric blind area circumstance of occlusion.In general, each thermometric blind area correspondence can arrange one from infrared thermometer 20, but if the little and disposed adjacent in two thermometric blind areas, this time just can be scanned these two thermometric blind areas from infrared thermometer 20 with one.From the concrete quantity of infrared thermometer 20, can select according to actual conditions.
Further, the invention also discloses the detection method of a kind of foregoing rotary kiln Multi probe without dead angle temperature measuring equipment, comprise the steps: that (A) obtains the thermometric length range of main infrared thermometer 10 relative to the installation site of rotary kiln 40, field angle according to main infrared thermometer 10; (B) according to the thermometric length range, the thermometric length direction starting point that obtain from infrared thermometer 20 relative to the installation site of rotary kiln 40, field angle from infrared thermometer 20; (C) obtain the thermometric blind area of main infrared thermometer 10 relative to the installation site of rotary kiln 40 according to shelter 50; (D) according to steps A, B, C, set up the temperature substituted of rotary kiln 40 axis, namely replace the point for measuring temperature of main infrared thermometer 10 in thermometric blind area with the point for measuring temperature from infrared thermometer 20; (E) obtain from the differential seat angle between infrared thermometer 20 and main infrared thermometer 10 according to steps A, B; (F) differential seat angle obtained according to step e, that the rotating speed of rotary kiln 40 obtains from infrared thermometer 20 is poor with the acquisition time of main infrared thermometer 10, according to the temperature adjustmemt formula of this time difference foundation from infrared thermometer 20; (G) according to the temperature substituted of step D, the temperature adjustmemt formula of step e, replace the point for measuring temperature signal of main infrared thermometer 10 thermometric blind area with the point for measuring temperature signal from infrared thermometer 20, obtain correct rotary kiln 40 kiln temperature.By above-mentioned steps, measuring without dead angle of rotary kiln 40 kiln temperature can be realized.
Claims (4)
1. rotary kiln Multi probe is without a dead angle temperature measuring equipment, it is characterized in that: comprise a main infrared thermometer (10), multiple from infrared thermometer (20) and processing module (30); Arbitrary axial location of described main infrared thermometer (10) scanning rotary kiln (40) kiln body, is arranged on the side of rotary kiln (40) kiln body from infrared thermometer (20) and matches from infrared thermometer (20) along the thermometric blind area of the axial scan position of rotary kiln (40) kiln body and main infrared thermometer (10); Processing module (30) is revised according to the rotary speed information of the positional information of master and slave infrared thermometer (10,20) and rotary kiln (40), the temperature information of temperature information to main infrared thermometer (10) that gather from infrared thermometer (20).
2. rotary kiln Multi probe as claimed in claim 1 is without dead angle temperature measuring equipment, it is characterized in that: described main infrared thermometer (10) is arranged as follows:
(S1) thermometric starting point and the thermometric final position of rotary kiln (40) is determined;
(S2) position of the relative thermometric start position of shelter (50) and relative rotary kiln (40) is determined;
(S3) optimum position of main infrared thermometer (10) and required field angle is obtained according to step S1, S2.
3. rotary kiln Multi probe as claimed in claim 2 is without dead angle temperature measuring equipment, it is characterized in that: described arranges as follows from infrared thermometer (20):
(S4) count according to the thermometric comprised in the number of the position determination thermometric blind area of main infrared thermometer (10) and scope and each thermometric blind area;
(S5) monitor the thermometric blind area of main infrared thermometer (10) from infrared thermometer (20) in the location arrangements of avoiding shelter (50), match from the number of infrared thermometer (20) and the number of thermometric blind area, described counting at the thermometric of thermometric blind area from infrared thermometer (20) is no less than main infrared thermometer (10) and is not counting by the thermometric of thermometric blind area circumstance of occlusion.
4. rotary kiln Multi probe as claimed in claim 1 is without a detection method for dead angle temperature measuring equipment, comprises the steps:
(A) obtain the thermometric length range of main infrared thermometer (10) relative to the installation site of rotary kiln (40), field angle according to main infrared thermometer (10);
(B) according to the thermometric length range, the thermometric length direction starting point that obtain from infrared thermometer (20) relative to the installation site of rotary kiln (40), field angle from infrared thermometer (20);
(C) obtain the thermometric blind area of main infrared thermometer (10) relative to the installation site of rotary kiln (40) according to shelter (50);
(D) according to steps A, B, C, set up the temperature substituted that rotary kiln (40) is axial, namely replace main infrared thermometer (10) point for measuring temperature in thermometric blind area with the point for measuring temperature from infrared thermometer (20);
(E) obtain from the differential seat angle between infrared thermometer (20) and main infrared thermometer (10) according to steps A, B;
(F) differential seat angle obtained according to step e, that the rotating speed of rotary kiln (40) obtains from infrared thermometer (20) is poor with the acquisition time of main infrared thermometer (10), according to the temperature adjustmemt formula of this time difference foundation from infrared thermometer (20);
(G) according to the temperature substituted of step D, the temperature adjustmemt formula of step e, replace the point for measuring temperature signal of main infrared thermometer (10) thermometric blind area with the point for measuring temperature signal from infrared thermometer (20), obtain correct rotary kiln (40) kiln temperature.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872046A (en) * | 2017-02-23 | 2017-06-20 | 首钢总公司 | Method for monitoring temperature of hot blast stove furnace shell by using infrared imaging technology |
| CN108106753A (en) * | 2017-12-13 | 2018-06-01 | 广东石油化工学院 | One kind is on cracking furnace tube outer wall detecting temperature initial position and orientation optimization method |
| CN108151887A (en) * | 2017-12-25 | 2018-06-12 | 湖南航天诚远精密机械有限公司 | A kind of microwave experiment stove |
| CN108302564A (en) * | 2018-01-23 | 2018-07-20 | 广东美的厨房电器制造有限公司 | Gas-cooker and its control method |
| CN111458038A (en) * | 2020-06-17 | 2020-07-28 | 浙江双视红外科技股份有限公司 | Infrared monitoring method, device and system based on revolving body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111458038A (en) * | 2020-06-17 | 2020-07-28 | 浙江双视红外科技股份有限公司 | Infrared monitoring method, device and system based on revolving body |
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