CS255507B1

CS255507B1 - Radiant oven burner

Info

Publication number: CS255507B1
Application number: CS813567A
Authority: CS
Inventors: Jefim V Krejnin; Vladimir T Golych; Anatolij N Smolkov; Valentin A Iljin
Original assignee: Jefim V Krejnin; Vladimir T Golych; Anatolij N Smolkov; Valentin A Iljin
Priority date: 1981-05-13
Filing date: 1981-05-13
Publication date: 1988-03-15
Also published as: CS356781A1

Abstract

Řešení se týká hořáku sálavé trouby pro chemickou tepelnou úpravu součástí hutních a strojírenských průmyslových odvětví. Cílem řešení ,1e zamezit srážení sazí v kruhovém kanálu, čehož se dosahuje tím, že u zadní stěny je umístěn plynový rozdělovači kolektor a v sousední směšovací komoře po jejím obvodu vzduchové a spojovací otvory. Kromě toho je na konci směšovací komorv umístěna přetlačovací podložka a poměr mezi průměry středního pouzdra a tělesem radiační trubky kruhového kanálu činí aB/d)f a 0,80 až 0,94, kde da - vnější průměr středního pouzdra, djc - vnitřní průměr tělesa radiační trubky. Realizace se dosahuje tím, že na počátku středního pouzdra je k překrytí jeho vstupního průřezu na trubici umístěna pohyblivá kuželová hubice.The solution concerns a radiant tube burner for chemical heat treatment of parts in the metallurgical and engineering industries. The aim of the solution is to prevent soot precipitation in the circular channel, which is achieved by placing a gas distribution collector at the rear wall and air and connection holes in the adjacent mixing chamber around its circumference. In addition, an overpressure washer is placed at the end of the mixing chamber and the ratio between the diameters of the middle sleeve and the body of the radiation tube of the circular channel is aB/d)f and 0.80 to 0.94, where da - the outer diameter of the middle sleeve, djc - the inner diameter of the body of the radiation tube. The implementation is achieved by placing a movable conical nozzle on the tube at the beginning of the middle sleeve to cover its inlet cross section.

Description

I OIMCAHHE H30EPETEHHH K ABTOPCKOMY CBHHETEJlECTBy3aHBJieHo: 10.04.803aHBKa: Ν’ 2909076/24-06MKHÍ: F 23 D 13/12I OIMCAHHE H30EPETEHHH TO ABTOPCKOMY CBHHETEJlECTBy3aHBJieHo: 10.04.803aHBKa: Ν ’2909076 / 24-06MKHI: F 23 D 13/12

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HaoGpeTeHHe othochtch κ τβχΗΗκβ rasoBoro οτοπηβΗΗΗ neneň, npeflHa3HaneH-HaoGpeTeHHe othochtch κ τβχΗΗκβ rasoBoro οτοπηβΗΗΗ neneň, npeflHa3HaneH-

Hbix íwih XHMHKO-TepMHMecxoň oGpaóoTKH MeTanna.Hbix iwih XHMHKO-TepMHMecxo oGpaóoTKH MeTanna.

HsBecTHbí rop&riKH paflHanHOHHOň TpyGw, coflepwamne ΛΗφφγβορΗο—luuiHHffpHMec— xyw B03flyxonoflaioiuyto oGenaňKy, ycTaHOBneHHyjo no och pafluauHOHHOft τργθω c 06-pa3OBaHneM KonbueBoro xaHana, CHaGweHHoro Ha Bxofle nonepenHoň neperopoflxoňc pacnonoseHHWMH no Kontny oTBepcTHHMH ftna npoxofla BO3syxa h xonbueBWM ra-3OBMM KOnneKTOpOM C BbIXOflHbíM COIUIOM [l].HsBecTHbí ROP & riKH paflHanHOHHOň TpyGw, coflepwamne ΛΗφφγβορΗο-luuiHHffpHMec- xyw B03flyxonoflaioiuyto oGenaňKy, ycTaHOBneHHyjo but och pafluauHOHHOft τργθω C 06 pa3OBaHneM KonbueBoro xaHana, CHaGweHHoro Ha Bxofle nonepenHoň neperopoflxoňc pacnonoseHHWMH come Kontny oTBepcTHHMH ftna npoxofla BO3syxa h xonbueBWM ra-3OBMM KOnneKTOpOM C BbIXOflHbíM COIUIOM [ l].

HeflocTaTKQM thxhx ropenox HBjíHeTCH hh3Khh nonHOTa cropaHHH τοππΗΒβ, ποηβ-neHHe caxH b xonbijeBOM xaHane BcneflCTBHe npocxoxa ruiaMeHH Ha cpe3 neperopofl-kh h nocjieflyjomero nporpeBa nepBHHHoň ra3OBO3flymHoň cmsch ρ,ο τβΜΠβρβτγρω hA-qana TepMHuecxoro pa3no»eHHH Bbicnmx γομοηογοβ MeTaHa.HeflocTaTKQM thxhx ropenox HBjíHeTCH hh3Khh nonHOTa cropaHHH τοππΗΒβ, ποηβ-neHHe caxH b xonbijeBOM xaHane BcneflCTBHe npocxoxa ruiaMeHH cpe3 neperopofl Ha-kh h nocjieflyjomero nporpeBa nepBHHHoň ra3OBO3flymHoň cmsch ρ, ο τβΜΠβρβτγρω HA Qana TepMHuecxoro pa3no »ehhh Bbicnmx γομοηογοβ MeTaHa.

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BbixoAHoe conno xonnexTopa oGpaaoBaHO paflHanbHMMH οτβθροτηημη, BbinonHeHHbíMH b ero CTeHKe, oGpaweHHoň κ paflHaflHOHHoň τργδβ. 255507 2BbixoAHoe conno xonnexTopa oGpaaoBaHO paflHanbHMMH οτβθροτηημη, BbinonHeHHbMH b ero CTeHKe, oGpaweHHoon κ paflHaflHOHHoon τργδβ. 255507 2

KpoMe τογο, KOJibueBOíí Kanan moxcgt 6ητβ CHaOsceH ApoccGnhHoft maft6oft. Otho-;ineHne MaKCHManbHoro flnaMeTpa oCenaňKU κ «ΗβΜβτργ pafluanHOHHOft Tpy6w coctsb-ηπετ 0,8-0,95.KpoMe τογο, KOJibueBOíí Kanan moxcgt 6ητβ CHaOsceH ApoccGnhHoft maft6oft. Otho-; ineHne MaKCHManbHoro flnaMeTpa oKenaNk κ «ΗβΜβτργ pafluanHOHHOft Tpy6w coctsb-ηπετ 0.8-0.95.

Ho och βχοαηογο yuacTKa οβεηβίίκΗ Μθ»ετ 6μτβ αοποπηητ&πβηο ycTaHOBnena cB03Mo«HocTbio npoflojibHoro nepeMenjeHHH Tpyča c πβρΗφερΗϊίΗοίί KoumiecKoň HacAA-Koň Ha nepeflHeM kohhg.Och β och och och och och och och och och och och Η »och 6 amp amp amp amp B B amp B B B B B B B B

Ha ηερτβχε npeflCTaBJíeHa ropenna, npoAonbHbiň pa3pe3.Ha ηερτβχε npeflCTaBJíeHa ropenna, npoAonbHbiň pa3pe3.

FopenKa paflHaijHOHHOň Tpy6bi coflepKHT ΑΗφφγ3ορΗο-ΐίΗΠΗΗΑΡΗηεοκγιο Boaflyxono-Aawqyio oSenafÍKy 1, ycTaHOBneHHyto no och paflHanHOHHoň TpyGbi 2 c o6pa3OBaHHeMKojibueBoro KaHana 3f cHaOweHHoro Ha βχοαθ nonepenHoň neperopoflKoň 4 c pac-nOHOJKGHHblMH ΠΟ KOJlbHy OTBepCTHHMH 5 flJlH npOXOfla BO3flyxa H KOJlbU;eBblM raaOBblMKonneKTopoM 6 c βμχο#ημμ connoM. FaaoBbiň κοηηεκτορ 6 pa3MGipeH β 30ΗΘ KOAbije-boto KaHana 3, orpaHHneHHoň oSenaňKOň 1 h OTBepCTHHMH 5 b neperopoflKe %, aBbixoflHoa conno KonneKTopa 6 o6pa3OBaHo panHanbHbíMH otbbpcthhmh 7, ΒΜποπΗβΗ-ηβιμη b cro οτεΗκε, oSpamcuHoň κ paflnaijHOHHoň Tpy6e 2,FopenKa paflHaijHOHHOň Tpy6bi coflepKHT ΑΗφφγ3ορΗο-ΐίΗΠΗΗΑΡΗηεοκγιο Boaflyxono-Aawqyio oSenafÍKy 1 ycTaHOBneHHyto but och paflHanHOHHoň TpyGbi 2c o6pa3OBaHHeMKojibueBoro Kahan 3f cHaOweHHoro Ha βχοαθ nonepenHoň neperopoflKoň 4 c pac-nOHOJKGHHblMH ΠΟ KOJlbHy OTBepCTHHMH 5 flJlH npOXOfla BO3flyxa H KOJlbU; eBblM raaOBblMKonneKTopoM 6 c βμχο # ημμ connoM. FaaoBbiň κοηηεκτορ 6 pa3MGipeH β 30ΗΘ KOAbije-Boto Kahan 3 orpaHHneHHoň oSenaňKOň 1H OTBepCTHHMH b neperopoflKe 5% aBbixoflHoa conno KonneKTopa 6 o6pa3OBaHo panHanbHbíMH otbbpcthhmh 7 ΒΜποπΗβΗ ηβιμη b-cro οτεΗκε, oSpamcuHoň κ paflnaijHOHHoň Tpy6e 2

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TopanKa paSoTaeT cneflyiomHM o6pa3OM.TopanKa paSoTaeT cneflyiomHM o6pa3OM.

Ta3 nocTynaaT b ra30Bbrií κοηηεκτορ 6, OTKyna ηερβ3 BbixoflHoa conno, o6paso-Β3ΗΗοε OTBepCTHHMH 7, nocTynaeT b Konbuasoň xaHan 3, τ^ε cMeniHBaeTcH c ποτο-κομ περΒΗΗΗΟΓο BO3nyxa, nocTynaroipero ηερε3 otbbpcthh 5 β περετοροΑκε 4. Βτο-pHHHbiň BO3flyx nocTynaeT Ha ropeHHe uepe3 αηΦΦυ3ορηο—αηπηηαρηΜθοκυιο oSenaň-Ky 1.TA3 nocTynaaT b ra30Bbrií κοηηεκτορ 6 OTKyna ηερβ3 BbixoflHoa Conn o6paso-Β3ΗΗοε OTBepCTHHMH 7 nocTynaeT b Konbuasoň xaHan 3 ^ τ ε c cMeniHBaeTcH ποτο-κομ περΒΗΗΗΟΓο BO3nyxa, nocTynaroipero ηερε3 otbbpcthh 5 β περετοροΑκε fourth Βτο-pHHHbiň BO3flyx nocTynaeT Ha ropeHHe uepe3 αηΦΦυ3ορηο — αηπηηαρηΜθοκυιο oSenaň-Ky 1.

Xlnn noBbiiueHHH ckopocth HCTeneHHH nepBHHHoň ra3OBO3flyiuHOH cmgch b κοπβαθ-bom KaHana 3 ycTaHOBneHa APOccenbHan maň6a 8. TlepBHHHaH ra30B03AyniHan cmgcbAbhjkgtch b KonbijGBOM KaHana 3 co CKopocTbio, δοπωπεή ckopocth pacnpocTpaHGHHHnnaMGHH, hto o6ycnaBnHBa8Tcn BbifíopoM coo.TBGTCTByioincro AnaMGTpa oSenaňKH 1. Πρη BbinonHGHHH οτηοπιθηηη MaKCHManbHoro flHaMBTpa o6cnaňKH κ AnaMeTpy pa-flHaAHOHHOň Tpy6bl MGHbUlG 0,8 CKOpOCTb pacnpOCTpaHeHHH nnaMGHH BbUBe CKOPOCTHflBHWGHHH ra3OBO3flyiUHOH CMGCH, HaSniOflaGTCH npOCKOK nnaMGHH. npH BbinonHGHHH yKa3aHHOrO ΟΤΗΟΠΙβΗΗΗ βοΠΒΠΐε 0,95 ΓΟρβΗΗβ HaHHHaGTCS C OT-pblBOM OT o6GHaHKH 1 . flnn perynHpoBaHHH coothoihghhh μθ«αυ πθρβηηημμ η btophhhmm BO3flyxoM npe-AycMOTpeHa cnGííHanbHan KOHHHecKaH Haca/pta 10, ycTaHOBnennaH c BO3MOKHOCTbronpoAonbHoro περβΜειρεΗΗΗ, yBGnHHHBan ηπη yMGHbnan προχοβΗΟε céHGHHG btophh-HOMy BO3flyxy.Xlnn noBbiiueHHH ckopocth HCTeneHHH nepBHHHoň ra3OBO3flyiuHOH cmgch b κοπβαθ-bom Kahan 3 ycTaHOBneHa APOccenbHan Man6 eighth TlepBHHHaH ra30B03AyniHan cmgcbAbhjkgtch b KonbijGBOM Kahan 3 as CKopocTbio, δοπωπεή ckopocth pacnpocTpaHGHHHnnaMGHH, HTO o6ycnaBnHBa8Tcn BbifíopoM coo.TBGTCTByioincro AnaMGTpa oSenaňKH first Πρη BbinonHGHHH οτηοπιθηηη MaKCHManbHoro flHaMBTpa o6cnaňKH κ AnaMeTpy pa-flHaHOHHeHeBbl MGHbUlG 0.8 CKOpOCTb pacnpOCTpaHeHHH nnaMGHH BbUBe CKOPOCTHflBHWGHHH ra3OBO3flyiUHOH CMGCH, HaSniOflaGTCH npOCKOK nnaMGHH. npH BbinonHGHHH yKa3aHHOrO ΟΤΗΟΠΙβΗΗΗ βοΠΒΠΐε 0.95 ΓΟρβΗΗβ HaHHHaGTCS C OT-pblBOM OT o6GHaHKH 1. flnn perynHpoBaHHH coothoihghhh μθ «αυ πθρβηηημμ η btophhhmm BO3flyxoM NPE-AycMOTpeHa cnGííHanbHan KOHHHecKaH Haca / PTA 10 ycTaHOBnennaH c BO3MOKHOCTbronpoAonbHoro περβΜειρεΗΗΗ, yBGnHHHBan ηπη yMGHbnan προχοβΗΟε céHGHHG btophh-homy BO3flyxy.

TaKHM o6pa3OM, npeAnaraeMoe BbinonHGHHG τορεηκΗ noBbnuaGT εε οφφβκτΗΒΗοετΒnyreM yBenuneHUH ποπηοτμ cropaHHH TonnHBa.TaKHM o6pa3OM, npeAnaraeMoe BbinonHGHHG τορεηκΗ noBbnuaGT εε οφφβκτΗΒΗοετΒnyreM yBenuneHUH ποπηοτμ cropaHHH TonnHBa.

ΦΟΡΜΥΉΑ I130EPETEHHH 1. FopenKa panHanHOHHOH Tpy6bi, coflGpjKaman ΑΗφφγ3ορΗθ-ΑΗΠΗΗΑΡΗΗεοκγιο bo3-flyxononaromyio oSenaňKy, ycTaHOBnennyio no och paflHanHOHHoň Tpy6bi c o6pa3OBa-ηηθμ KonbnGBoro KaHana, cHaSxeHHoro Ha bxoag nonepenHoň nepcropoAKoň c pac-nOnOXGHHblMH ΠΟ KOHbAy OTBepCTHHMH ΑΠΗ npoxona BO3flyxa H KOnbllGBblM ra3OBbIMκοηηεκτοροΜ c βμχοαημμ connoM, OTnHnaromaHCH tgm, hto, c uenbionOBbliaeHHH ΘφφεΚΤΗΒΗΟΟΤΗ CJKHraHHH ΠγΤβΜ yBenHHGHHH ΠΟΠΗΟΤΜ CTOpaHHH ΤΟΠΠΗΒΗ,ra3OBbiň κοηηεκτορ pa3MemeH b 3ohg KonbneBoro KaHana. orpaHHneHHoň oSenaňKoň 255507 3 H OTBepcTHHMH β neperopOflKe, a BbixoflHoe coruiQ KonneKTopa o6pa3OBaHO pa^Hanb-HbiMH OTBepcTHMMH, ΒΜΠΟΛΗβΗΗΜΜΗ b ero cTeHKe, oópameHHoň κ pa«nauHOHHoň Tpy6e. 2. TopenKa non.l, OTJiHMaminaHCH τβΜ, hto KonbueBoň KaHancHaOxeH flpoacenbHoň tuaftSoň. 3. TopenKa no π. I, otjihm aroma h c η τβΜ, ητο οτιιοπιεΗκε MaKCHManb-ηογο ΑΗβΜβτρβ oOenaňKH Κ «ΗβΜβτργ pa/mauHOHHoň TpyOw cocTaBJweT 0,8-0,95. 4. Γορβπκβ non.l, oTnuqaionia.ft ch τθμ, hto no och βχοηηογοynacTKa oGenaňKH aononHHTenbHO ycTaHOBneHa c βο3μοχηοοτμο npoflonbuoro neRe-MeqeHHB Tpy6a c περηφερΗ^Ηοή KounnecKoň nacaflKoň Ha nepe,qHeM KOHue. HCTOMHHKH ΗΗφΟΡΜβΗΗΗ, ΠρΗΗΗΤΗβ BO BHHMaHHe ΠρΗ 3Κ0ΠβρΤΗ3β!ΦΟΡΜΥΉΑ I130EPETEHHH first FopenKa panHanHOHHOH Tpy6bi, coflGpjKaman ΑΗφφγ3ορΗθ ΑΗΠΗΗΑΡΗΗεοκγιο-BO3-flyxononaromyio oSenaňKy, but ycTaHOBnennyio och paflHanHOHHoň Tpy6bi c o6pa3OBa-ηηθμ KonbnGBoro Kahan, cHaSxeHHoro Ha bxoag nonepenHoň nepcropoAKoň c-pac nOnOXGHHblMH ΠΟ KOHbAy OTBepCTHHMH ΑΠΗ npoxona BO3flyxa H KOnbllGBblM ra3OBbIMκοηηεκτοροΜ c βμχοαημμ connoM , OTnHnaromaHCH tgm, hto, c uenbionOBbliaeHHH JφφεΚΤΗΒΗΟΟΤΗ CJKHraHHH ΠγΤβΜ yBenHHGHHH ΠΟΠΗΟΤΜ CTOpaHHH ΤΟΠΠΗΒΗ, ra3OBbien κοηηεκτορ pa3MemeH b 3ohg KonbneBoro KaHana. orpaHHneHHoHoNoNoNoCoCo 255507 3H OTBepcTHHMH β neperopOflKe, and BbixoflHoe coruiQ KonneKTopa o6pa3OBaHO pa ^ Hanb-HbiMH OTBepcTHMMH; 2. TopenKa non.l, OTJiHMaminaHCH τβΜ, hto KonbueBoň KaHancHaOxeH flpoacenbHoň tuaftSoň. 3. TopenKa no π. , Μ Μ Μ c c K K K K K K K K K K K K K K K K K K K K K K K K K K K K 0,8 0,8 0,8 0,8 -0 -0 -0 4. Γορβπκβ non.l, oTnuqaionia.ft ch, hto no och βχοηηογοynηTγa Gο μο μ on on on on on on on oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun oun HCTOMHHKH ΗΗφΟΡΜβΗΗΗ, ΠρΗΗΗΤΗβ BO BHHMaHHe ΠρΗ 3Κ0ΠβρΤΗ3β!

1. ABTOpcKoe CBHfleTenbCTBO CČCP Ν’ 623058, κη. F 23 D 13/12, 1976.AHHOTAHHH1. ABTOpcKoe CBHfleTenbCTBO CCPC 62 623058, κη. F 23 D 13/12, 1976.AHHOTAHHH

HsoOpeTeHne othochtch κ τεχΗΐίκβ rasoBbix HarpeBaTenbHbix nenefl ftna xhmhko-τβρΜΗΗβοκοή οΟρβΟοτκκ fleTaneň MeTannyprHnecKoň h ManmHocTpoHTenbHOft oTpac-neň npóMbnnneHHOcTH.HsoOpeTeHne othochtch κ τεχΗΐίκβ rasoBbix HarpeBaTenbHbix not found xhmhko-τβρ τβοκοή οΟρβΟοτκκ fleTaneň MeTannyprHnecKoň h ManmHocTpoHTenbHOft oTpac-neň npóMbnnneHHOcTH.

Uenbio Η3θ0ρβτβΗΗΛ «BnaeTCH npeflOTBpameHHe BbinaneHHH caxH b xonbyeBOM Ka-Hane. IIocTaBneHHaH uenb uoCTHraeTCH τθμ, hto y saflHeň TopueBOň οτβΗΚΗ BbinonHeHra3OBbiň pacnpeflennTenbHbiň κοηηβκτορ, a'b cMe^Hoň c hhm CMecHTenbHoň xaMepeBbinonHeHbí nepn$epnňHbie BO3uyniHbie h coeflHHMTenbHbie rasoBbie OTBepcTHH. KpoMetoto, b KOHije CMecHTenbHoň KaMepbi ycTaHOBneHa nepexHMHan raaňCa, a cooTHome-Hwe Meawy flHaMeTpaMH ueHTpanbrtoro CTáKaHa κ KopnycoM pannaunoHHOň TpyOwKonbueBoro xaHana BbinonHneT.CH paBHWM d^/d^ * 0,80-0,95, rfle dy, - HapywHbiň ΗΗβΜβτρ ueHTpanbHoro CTaKaHa; dk - BHyTpeHHHft ΑΗβΜβτρ Kopnyca paflHauHOHHoň Tpy6bi. ΒωποηΗβΗΗβ 3Toň xe uenn flOCTHraeTCH τβΜ, hto b Hanane ueHTpanbHoro CTaKa-Ha flna nepeKpwTHH ero βχοαηογο ceneimH Ha Tpy6xe ycraHOBneH noflBHXHoň kohh-uecKuň HacaflOK, ΠρΗ3Η3Ηο Η3θ6ρβτβΗΗβΜ no pesynbTaTaM 3κοπβρτΗ3Μ, ocymecTBneHHoň Tocynapcr-BeHHbíM KoMHTeroM CCCP no uenaM Η3ο0ρετβΗΗή η otkphthíí. 1 περτβχ 255507Uenbio Η3θ0ρβτβΗΗΛ «BnaeTCH npeflOTBpameHHe BbinaneHH caxH b xonbyeBOM Ka-Hane. Oc bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin bin BO BO BO BO BO BO BO BO KpoMetoto b Kohi CMecHTenbHoň KaMepbi ycTaHOBneHa nepexHMHan raaňCa and cooTHome-HWE MEAWA flHaMeTpaMH ueHTpanbrtoro CTáKaHa κ KopnycoM pannaunoHHOň TpyOwKonbueBoro xaHana BbinonHneT.CH paBHWM d ^ / ^ * d 0.80-0.95, rfle dy - HapywHbiň ΗΗβΜβτρ ueHTpanbHoro CTaKaHa; dk - BHyTpeHHHft ΑΗβΜβτρ Kopnyca paflHauHOHTo6bi. ΒωποηΗβΗΗβ 3ton XE uenn flOCTHraeTCH τβΜ, HTO b Hanane ueHTpanbHoro CTAK-Ha flna nepeKpwTHH ero βχοαηογο ceneimH Ha Tpy6xe ycraHOBneH noflBHXHoň kohh-uecKuň HacaflOK, ΠρΗ3Η3Ηο Η3θ6ρβτβΗΗβΜ well pesynbTaTaM 3κοπβρτΗ3Μ, ocymecTBneHHoň Tocynapcr BeHHbíM KoMHTeroM CCCP-amino Ueno Η3ο0ρετβΗΗή η otkphthíí. 1 περτβχ 255507

Claims

4 OBJECT OF THE INVENTION

1, a radiant oven burner, comprising a diffusing air supply casing, disposed in the axis of a radiant oven to form an annular casing, provided at the inlet with a transverse partition along the Ob-water with openings for the passage of air and an annular gas coil with an outlet nozzle characterized in that, in order to increase combustion efficiency by increasing the complete combustion of the fuel, the gas collector (6) is located in the space of the annular channel (3) limited by the jacket (1) and the openings (5) in the partition (4) and the outlet nozzle of the collector (6) is formed by radial openings (7) provided in its wall, projecting to the tube (9) ·

A burner according to claim 1, characterized in that the annular channel (3) is provided with a throttle disk (8).

3. A burner according to claim 1, wherein the ratio of the maximum diameter of the sheath (1) to the diameter of the radiant oven (2) is 0.8-0.95.

4. A burner according to claim 1, characterized in that a longitudinally displaceable tube (9) is mounted in the axis of the inlet part of the housing (1) with a conical extension (10) at its front end. 255507