CN101556111B - Non-contacting temperature measurement device for rotary kiln pyroreaction zone - Google Patents
Non-contacting temperature measurement device for rotary kiln pyroreaction zone Download PDFInfo
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- CN101556111B CN101556111B CN2009100434902A CN200910043490A CN101556111B CN 101556111 B CN101556111 B CN 101556111B CN 2009100434902 A CN2009100434902 A CN 2009100434902A CN 200910043490 A CN200910043490 A CN 200910043490A CN 101556111 B CN101556111 B CN 101556111B
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000011449 brick Substances 0.000 claims description 21
- 238000001931 thermography Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 239000004568 cement Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AGWMJKGGLUJAPB-UHFFFAOYSA-N aluminum;dicalcium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Ca+2].[Ca+2].[Fe+3] AGWMJKGGLUJAPB-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 238000002386 leaching Methods 0.000 description 1
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- 239000002075 main ingredient Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a non-contacting temperature measurement device for the rotary kiln pyroreaction zone; wide pockets (7) and a set of guiding temperature measurement flange bag-shaped device (3) are arranged on a kiln inside lining (2), the guiding temperature measurement flange bag-shaped device (3) is structured in the way that the front ends of firebricks (34) more wearable than the kilninside lining (2) are inserted in the kiln inside lining (2), the back ends thereof are arranged in a flange sleeve (31) on a kiln reaction zone shell (1), a guiding temperature measurement casing (3 3) is pressingly inserted in holes of the firebricks (34) by a quick open blind flange (32) and a high temperature resistant pad (36) and inner head of the guiding temperature measurement casing (33) extends to the inside of the wide pockets (7), the quick open blind flange (32) is provided with central holes (8) which are corresponding to the guiding temperature measurement casing (33) and provided with a diameter more than the inside diameter of the guiding temperature measurement casing (33); the outside of the kiln is provided with a non-contacting temperature measurement device which is corresponding to the guiding temperature measurement casing (33) of the guiding temperature measurement flange bag-shaped device (3); the non-contacting temperature measurement device is connected witha digital temperature controller (5); the invention is a non-contacting temperature measurement device for the rotary kiln pyroreaction zone, which features high measuring accuracy, long service life , high temperature measurement reliability and good environmental suitability.
Description
Technical field
The present invention relates to a kind of rotary kiln high temperature reaction zone and measure temperature device.
Technical background
The temperature of rotary kiln high temperature reaction zone, be burn till, the major parameter of volatilization, roasting, calcining operation, cross low, too high all big to the product quality and the benefit influence of producing, this temperature is the key parameter of rotary kiln (cement kiln, Rotary Kiln, calcining kiln, calcining kiln etc., domestic have approximately Wan Duotai) operation control.For example: as handling the Rotary Kiln of zinc leaching residue, to evaporate the entrapped zinc that does not leach in the slag in the solution, the temperature of Rotary Kiln high temperature reaction zone will be more than 1080 ℃, could separate zinc in the slag becomes steam to separate out to change into zinc oxide, 200,000 t/a zinc hydrometallurgy factories, if can survey reaction zone temperature, the zinc of many recovery 1% will have 2000t/a zinc from slag, and this reclaims national resources very big value; And for example cement rotary kiln is that clinker burns till link, be commonly called the heart in cement plant, the temperature of clinkering zone directly affects the finished cement quality, generally at 1300 ℃-1500 ℃, if cross low, three aluminic acids, five calcium are difficult to generate dicalcium silicate from the raw material that the predecomposition operation is come, tetra calcium aluminoferrite, the Main Ingredients and Appearance of cement such as tricalcium aluminate, the finished product label of cement is reduced, if the cement grade after the fusion drops to P.O 32.5 from P.O 42.5 thus, weigh by the at present low market price,, two label cement price difference 20-30 unit/t, scale with the dry method kiln flow process 5000t/d of predecomposition can make factory lose ten thousand yuan of 10-15 every day.But because thermometric does not pass a test, Rotary Kiln does not have the continuous temperature measurement device now always, is difficult to hold reaction zone temperature, and the zinc in the Rotary Kiln castaway slag has just abandoned in vain.And cement kiln also is difficult to survey firing temperature, and the product quality label is difficult to guarantee.In Aluminium hydroxide roasting kiln, the plain production technologies such as calcining kiln of producing of charcoal, this temperature also is the core parameter of operation control equally, and it directly influences quality, output and the energy consumption of product.This temperature also is the important parameter of rotary kiln device safety, volatilization technology also requires this temperature unsuitable too high after guaranteeing more than 1080 ℃, the liner wearing and tearing are strengthened, kiln shortening in age, about about three months of this kiln refractory brick liner life-span, control well after this temperature, if build refractory brick in 2 years less one time, being worth also has hundreds of thousands.
Traditional measuring method is that kiln body reaction zone inserts thermocouple, it+/-signal receives the slip ring of kiln body respectively, outer carbon brush (or chopper bar) sampling apparatus of kiln is pressed on the slip ring that rotates with kiln, the extraction of the thermocouple signal of telecommunication.Actual conditions are that material (mixture of leached mud and coke powder) is very serious to the wearing and tearing of kiln liner fire-retardant high aluminium brick in the stove, once got in 1969 in the kiln and observe, only more than 20 day time, the high-alumina brick of mm more than 200 has worn and torn, and half is many, and thermocouple is rubbed for a long time, is discharged to slag bath with kiln slag.Again in the oxidizing atmosphere and under the strong mill effect, have which kind of thermometric spare and protection tube can keep out wearing and tearing in the reproducibility of more than 1000 ℃ high temperature again in kiln like this, this is the main difficult problem of reaction zone thermometric.
In decades, the control personnel have thought a lot of methods automatically, and one of them is to make special bag type thermocouple to insert device, temperature thermocouple is reduced in the bag of kiln wall, stays the less jack of angle so that lead to reaction zone temperature, to reduce wear, its structure is only considered to reduce wear, but the bag hole dimension is too narrow, and material also can snap in the bag in the kiln, melts knot and stops up, influence thermometric, laying bricks does not have the card brick in the hole, under the high temperature, very easily during heat expansion squeezes, falls brick.And reaction zone high temperature, oxidation, reducing atmosphere also exist the influence of thermocouple, in case thermocouple damages, often will better change when stopping kiln.Maintenance is inconvenience quite.
Because the kiln body rotates, and spread out of the thermocouple signal.Need by slip ring carbon brush (chopper bar) or place the wireless transmitting device of lower temperature place charged pool on the kiln to spread out of.
This method has a basic shortcoming, the power taking signal structure of slip ring (dust fall carbon brush formula), be difficult to adapt to the three-dimensional motion of kiln body, be not only rotation, the axial motion that also has the kiln body, make the carbon brush eccentric wear and can not use, the slip ring that the outer tube wall circumference supports also has structural defect, band spring insulator supporting construction is along with the improve of kiln body temperature, circular slip ring is under the effect of heat expansion power and fulcrum bed knife, become the plum blossom profile, carbon brush or chopper bar have the chance of loose contact unavoidably in the contact of advancing of such copper ring.In addition because inside reaches more than 1000 degree, the outside wall temperature height, and dispose in the open and the insulation of the insulated conductor that connects cannot stand high temperature and rainy long-term test.Therefore this method is difficult to make good use of, and the overwhelming majority of nonferrous metallurgy is volatilized on the calcining kiln at home, because maintenance is big and survey incorrectly, abandoning need not.
Though and wireless radio transmission overcomes the intrinsic defect of carbon brush and slip ring.But under the open-air long-range circumstances of high temperature on the kiln, wireless transmission communication device battery life and element holding capacity also influence normal use.And the difficult subject matter of thermocouple wearing and tearing and maintenance does not still solve.Because the kiln wall is to being fixed in the heat transfer of the wireless transmission communication device on the kiln, some places have adopted 2 road thermal insulation boards, but can be elevated to 500-600mm to equipment like this, then in rotating with kiln kiln body both sides catwalk are stopped that periodically this does not allow.
Have in addition both at home and abroad and a kind of kiln hood skin scanning each point temperature is measured internal temperature indirectly, local anomaly situation in liner wearing and tearing or the kiln, main foothold is in the safety of kiln, because it is different that environmental impact factor, inventory change and material conducts heat, can only totally judge, lack the accurate quantification ability, this method is difficult to be promoted, invest also bigger than normally, maintenance is also big.
Usually measure from the kiln hood opening part with color comparator pyrometer, because far away from reaction zone, kiln hood is the combustion zone that catches fire, and flame smog is stopping the correct location survey of color comparator pyrometer, so also can only can not regulate continuously as the control target as a reference.
In a word, on the kiln body, gather signal and send out, be difficult to stand for a long time the test of adverse circumstances on the kiln, and safeguard to automatic instrument(s) and to bring very big workload and insecurity, correct temperature measuring equipment must consider this two fundamentals.
Therefore; need find also integrated a kind of high-temperature atmosphere that can bear to influence wear-resisting protective casing down; should utilize the not equipment of contact thermography again; adapt to the influence of the movement characteristic and the environment of rotary kiln again; reduce the thermometry of maintenance again; which link all wants Coordination Treatment good in the middle of this, could realize that the rotary kiln reaction zone stablizes thermometric.
Though domesticly fail to solve protection tube abrasion protection problem working of on contact thermography not, having on the reaction zone thermometric of rotary kiln, do not consider the environmental treatment of moving and big rainy day of the kiln body string of different length yet, still there is not complete suitable temp measuring method.
Summary of the invention
Technical problem to be solved by this invention provides a kind of certainty of measurement height, long service life, thermometric reliability height and the strong non-contacting temperature measurement device for rotary kiln pyroreaction zone of environmental suitability.
In order to solve the problems of the technologies described above, non-contacting temperature measurement device for rotary kiln pyroreaction zone provided by the invention, comprise kiln reaction zone housing and kiln liner, on described kiln liner 2, be provided with roomy bag hole, a cover guiding thermometric flange bag shape device corresponding with described roomy bag hole is installed on described kiln reaction zone housing and kiln liner, the structure of described guiding thermometric flange bag shape device is that the front end of the refractory brick more wear-resisting than described kiln liner is inserted in the described kiln liner, the rear end is located in the flange cover on the described kiln reaction zone housing, be provided with fire-resistant pin at described flange cover sidewall and live described refractory brick admittedly, the guiding temperature-measuring casing compresses and is inserted in the described refractory brick hole by opening blind flange and high temperature resistant pad soon, and end socket extends in the described roomy bag hole in it, described open soon blind flange be provided with corresponding with described guiding temperature-measuring casing and slightly larger in diameter in the mesopore of described guiding temperature-measuring casing internal diameter, kiln is external to be provided with the corresponding not contact thermography device of guiding temperature-measuring casing with described guiding thermometric flange bag shape device, and described not contact thermography device is connected with and shows the control instrument.
Described not contact thermography device is infrared temperature instrument or optic fiber thermometer.
Open the outside weld of blind flange horizontal diameter soon and be connected to and open handle soon described.
Be provided with the dome external member that can cover described mesopore on the blind flange described opening soon.
Upper semi-circle is fixed with and the corresponding protective cover of described guiding thermometric flange bag shape device outside the kiln of described kiln reaction zone housing.
Adopt the non-contacting temperature measurement device for rotary kiln pyroreaction zone of technique scheme, to be to have used the complete integrated temperature measuring equipment of direct mensuration high-temperature region rotating under the kiln height temperature state, and to have determined to guarantee that this correct measurement is in order adapting to: a series of related measures such as operating mode, kiln body kinetic characteristic, kiln body environment of living in, Information Selection, emission wavelength, transmitting range, maintenance are simple and easy.Have only direct temperature measurement, just have ready conditions production operation key parameter temperature control.It has proposed thermometric key device in the kiln body, and pocket type Wear-resistant, high-temperature resistant new device has been used high quality material and process.With kiln outward not contact thermography simplified temperature measuring equipment, make kiln body examination temperature become the monomer instrument structure, rather than a kind of instrument detection system of too many levels, thereby the thermometric maintenance workload significantly reduced, also eliminated the insecurity of safeguarding on the kiln.Fundamentally solved the hard nut to crack that numerous kiln precursor reactants district high-temperature is measured.
In sum, the present invention is a kind of certainty of measurement height, long service life, thermometric reliability height and the strong non-contacting temperature measurement device for rotary kiln pyroreaction zone of environmental suitability.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a guiding thermometric flange bag shape apparatus structure schematic diagram of the present invention;
Fig. 3 is that the A of Fig. 2 of the present invention is to view;
Fig. 4 is that the B of Fig. 2 of the present invention is to view.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2 and Fig. 3, on kiln liner 2, be provided with roomy bag hole 7, a cover guiding thermometric flange bag shape device 3 corresponding with roomy bag hole 7 is installed on kiln reaction zone housing 1 and kiln liner 2, the structure of guiding thermometric flange bag shape device 3 is that the front end of the refractory brick 34 more wear-resisting than kiln liner 2 is inserted in the kiln liner 2, the perforate of its undersized on housing 1, the flange that the rear end is located on the kiln reaction zone housing 1 overlaps in 31, its size is greater than the perforate on the housing 1, every limit 15mm, or overlap 31 sidewalls at flange and be provided with fire-resistant pin 35 and live refractory brick 34 admittedly, in case elevated temperature heat is fallen brick when rising, guiding temperature-measuring casing 33 by open soon blind flange 32 and high temperature resistant pad 36 compress be inserted in refractory brick 34 holes and in it end socket extend in the roomy bag hole 7, opening blind flange 32 soon is provided with and guides the corresponding and slightly larger in diameter of temperature-measuring casing 33 in the mesopore 8 of guiding temperature-measuring casing 33 internal diameters, the infrared temperature instrument 4 that the external guiding temperature-measuring casing that is provided with and guides thermometric flange bag shape device 3 of kiln 33 is corresponding, infrared temperature instrument 4 is connected with and shows control instrument 5, be connected to and open handle 37 soon opening blind flange 32 horizontal diameter outside welds soon, be provided with the dome external member 38 that can cover mesopore 8 on the blind flange 32 opening soon, open during thermometric, do not close during thermometric, upper semi-circle is fixed with the protective cover 6 corresponding with guiding thermometric flange bag shape device 3 outside the kiln of kiln reaction zone housing 1, is used for guiding thermometric flange bag shape device 3 rainproof, snow.
Referring to Fig. 1, Fig. 2 and Fig. 3, reaction section on kiln, device has guiding thermometric flange bag shape device 3, it should reach: high temperature resistant below 1650 ℃, and wear-resistingly under the high temperature reach a kiln body to build the cycle by laying bricks or stones many, anti-oxidant and reducing atmosphere, refractory brick 34 materials will be higher than kiln liner 2 (refractory brick), at high temperature, these place's kiln liner 2 thermogrades are little, and do not fall brick, the bag hole in roomy bag hole 7 is roomy, after material entered, when forwarding the kiln top in roomy bag hole 7, material dropped out automatically.Guiding temperature-measuring casing 33 high temperature resistant, wear-resisting, anti-atmosphere are the same, and its installation connects temperature anti-material impact and shearing.Guiding temperature-measuring casing 33 can adapt to the moving excessive structure of kiln running body string.
The kiln external application is contact thermography device such as infrared temperature instrument 4 not, also can be to adopt optic fiber thermometer, infrared temperature instrument 4 is aimed at end socket molded cannula endoporus, diapire in the head of the reaction zone of the infrared ray directive guiding temperature-measuring casing 33 contact rotary kilns of infrared temperature instrument 4, the reaction zone temperature of end socket contact in the mensuration guiding temperature-measuring casing 33.Under the certain rotary speed of kiln body, the reaction speed of infrared temperature instrument 4 thermometrics is higher than the rotary speed of kiln, is enough to scan the interior end of guiding temperature-measuring casing 33, the correct temperature in reflection kiln discharge internal reaction district.The signal of infrared temperature instrument 4 remains in temperature shows next time till the quite parameter renewal, and all the other low temperature datas are just directly cast out.Infrared temperature instrument 4 output signals temperature when the interior end socket of alignment guidance temperature-measuring casing 33 is the highest, temperature during misalignment is lower, after in sending into apparent control instrument 5 (or control system), the former keep highest signal value to scan again the guiding temperature-measuring casing 33 interior end socket the time upgrade, latter's low-temperature signal is given up, be the cycle with 1 commentaries on classics time like this, upgrade kiln internal reaction district temperature.The correct continuous temperature measurement of realization response (or firing zone).In order to keep correct measurement under kiln body axial motion, guiding temperature-measuring casing 33 scanning distances are not necessarily enough, for this reason, be equipped with corresponding size according to the length of kiln body and the maximum spoke degree of kiln body axial motion.
Claims (6)
1. non-contacting temperature measurement device for rotary kiln pyroreaction zone, comprise kiln reaction zone housing (1) and kiln liner (2), it is characterized in that: on described kiln liner (2), be provided with roomy bag hole (7), a cover guiding thermometric flange bag shape device (3) corresponding with described roomy bag hole (7) is installed on described kiln reaction zone housing (1) and kiln liner (2), the structure of described guiding thermometric flange bag shape device (3) is the refractory brick (34) more wear-resisting than described kiln liner (2), its front end is inserted in the described kiln liner (2), the rear end is located in the flange cover (31) on the described kiln reaction zone housing (1), guiding temperature-measuring casing (33) by open soon blind flange (32) and high temperature resistant pad (36) compress be inserted in described refractory brick (34) the hole in and in it end socket extend in the described roomy bag of hole (7), described open soon blind flange (32) be provided with corresponding with described guiding temperature-measuring casing (33) and slightly larger in diameter in the mesopore (8) of described guiding temperature-measuring casing (33) internal diameter, kiln is external to be provided with the not contact thermography device corresponding with the guiding temperature-measuring casing (33) of described guiding thermometric flange bag shape device (3), and described not contact thermography device is connected with and shows control instrument (5).
2. non-contacting temperature measurement device for rotary kiln pyroreaction zone according to claim 1 is characterized in that: described not contact thermography device is infrared temperature instrument (4) or optic fiber thermometer.
3. non-contacting temperature measurement device for rotary kiln pyroreaction zone according to claim 1 and 2 is characterized in that: open blind flange (32) horizontal diameter outside weld soon and be connected to and open handle (37) soon described.
4. non-contacting temperature measurement device for rotary kiln pyroreaction zone according to claim 1 and 2 is characterized in that: be provided with the dome external member (38) that can cover described mesopore (8) on the blind flange (32) described opening soon.
5. non-contacting temperature measurement device for rotary kiln pyroreaction zone according to claim 1 and 2 is characterized in that: upper semi-circle is fixed with the protective cover (6) corresponding with described guiding thermometric flange bag shape device (3) outside the kiln of described kiln reaction zone housing (1).
6. non-contacting temperature measurement device for rotary kiln pyroreaction zone according to claim 1 and 2, it is characterized in that: the rear end size is greater than each limit 15mm of the perforate on the housing (1) in described flange cover (31), and front end or sidewall are provided with fire-resistant pin (35) and live described refractory brick (34) admittedly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100434902A CN101556111B (en) | 2009-05-22 | 2009-05-22 | Non-contacting temperature measurement device for rotary kiln pyroreaction zone |
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| CN2009100434902A CN101556111B (en) | 2009-05-22 | 2009-05-22 | Non-contacting temperature measurement device for rotary kiln pyroreaction zone |
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| CN101556111B true CN101556111B (en) | 2011-02-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103292923A (en) * | 2013-06-07 | 2013-09-11 | 华陆工程科技有限责任公司 | Novel temperature measuring method for materials in rotary furnace |
| CN104833206B (en) * | 2015-05-08 | 2016-10-05 | 中冶长天国际工程有限责任公司 | A kind of dead-weight rotary kiln direct temperature measurement device |
| CN106440772B (en) * | 2016-11-11 | 2019-03-08 | 攀钢集团西昌钢钒有限公司 | A kind of rotary kiln and its temperature measuring equipment and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345873A (en) * | 1964-06-05 | 1967-10-10 | Otto G Lellep | Rotary kiln temperature measurement |
| US3379062A (en) * | 1965-07-22 | 1968-04-23 | Otto G. Lellep | Measurement of rotary kiln temperatures |
| CN201155925Y (en) * | 2007-12-19 | 2008-11-26 | 贵阳铝镁设计研究院 | Calcining rotary kiln temperature field detection device |
| CN201221896Y (en) * | 2008-06-17 | 2009-04-15 | 沈阳铝镁设计研究院 | Temperature measuring device of carbon element calcining rotary kiln |
-
2009
- 2009-05-22 CN CN2009100434902A patent/CN101556111B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345873A (en) * | 1964-06-05 | 1967-10-10 | Otto G Lellep | Rotary kiln temperature measurement |
| US3379062A (en) * | 1965-07-22 | 1968-04-23 | Otto G. Lellep | Measurement of rotary kiln temperatures |
| CN201155925Y (en) * | 2007-12-19 | 2008-11-26 | 贵阳铝镁设计研究院 | Calcining rotary kiln temperature field detection device |
| CN201221896Y (en) * | 2008-06-17 | 2009-04-15 | 沈阳铝镁设计研究院 | Temperature measuring device of carbon element calcining rotary kiln |
Non-Patent Citations (1)
| Title |
|---|
| V.R.Ksendzovskiy.Automatic control and regulation of rotary chamotte-firing kilns.Refractories and industrial ceramics.1962,3(7), * |
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| CN101556111A (en) | 2009-10-14 |
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