RU2003114933A - SMOKE CONVECTIVE PIPE OF A STEEL HEAT TUBE BOILER AND METHOD FOR ITS MANUFACTURE - Google Patents

SMOKE CONVECTIVE PIPE OF A STEEL HEAT TUBE BOILER AND METHOD FOR ITS MANUFACTURE

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Publication number
RU2003114933A
RU2003114933A RU2003114933/06A RU2003114933A RU2003114933A RU 2003114933 A RU2003114933 A RU 2003114933A RU 2003114933/06 A RU2003114933/06 A RU 2003114933/06A RU 2003114933 A RU2003114933 A RU 2003114933A RU 2003114933 A RU2003114933 A RU 2003114933A
Authority
RU
Russia
Prior art keywords
pipe
walled
smoke
tube boiler
thick
Prior art date
Application number
RU2003114933/06A
Other languages
Russian (ru)
Other versions
RU2269717C2 (en
Inventor
Сергей Анатольевич Петриков
Владимир Васильевич Петров
Вадим Леонидович Бережной
Николай Николаевич Хованов
Original Assignee
Сергей Анатольевич Петриков
Filing date
Publication date
Application filed by Сергей Анатольевич Петриков filed Critical Сергей Анатольевич Петриков
Priority to RU2003114933/06A priority Critical patent/RU2269717C2/en
Priority claimed from RU2003114933/06A external-priority patent/RU2269717C2/en
Publication of RU2003114933A publication Critical patent/RU2003114933A/en
Application granted granted Critical
Publication of RU2269717C2 publication Critical patent/RU2269717C2/en

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Claims (2)

1. Дымогарная конвективная труба стального жаротрубного водогрейного котла, состоящая из двух концентрично расположенных отрезков толстостенной и тонкостенной труб, между которыми предусмотрены воздушные карманы, отличающаяся тем, что на внутренней поверхности толстостенной трубы имеются многозаходные канавки со спиралевидным направлением, а на ее наружной поверхности спиралевидно расположены выступы, образующие совместно с внутренней поверхностью тонкостенной трубы упомянутые воздушные карманы, при этом на торцевых участках толстостенной трубы и по ее длине дополнительно имеются кольцевые канавки и выступы для добавочного разделения воздушных карманов.1. Smoke-convection pipe of a steel fire-tube boiler, consisting of two concentrically arranged sections of thick-walled and thin-walled pipes, between which air pockets are provided, characterized in that on the inner surface of the thick-walled pipe there are multi-grooves with a spiral direction, and on its outer surface are helical protrusions forming together with the inner surface of the thin-walled pipe the aforementioned air pockets, while at the end sections of the tostennoy pipe along its length and further have annular grooves and projections for additional separation of air pockets. 2. Способ изготовления дымогарной конвективной трубы стального жаротрубного водогрейного котла, основанный на пластическом формировании во внутренней полости трубы многозаходных канавок со спиралевидным направлением с формированием выступов на ее наружной поверхности, отличающийся тем, что предварительно на наружную поверхность толстостенной трубы надевают с зазором тонкостенную трубу, после чего пластически формируют кольцевые и многозаходные со спиралевидным направлением канавки во внутренней полости толстостенной трубы, выступы которых на ее наружной поверхности образуют с внутренней поверхностью тонкостенной трубы воздушные карманы.2. A method of manufacturing a smoke-convective pipe of a steel fire-tube boiler, based on the plastic formation in the inner cavity of the pipe of multi-grooves with a spiral direction with the formation of protrusions on its outer surface, characterized in that a thin-walled pipe is first put on the outer surface of the thick-walled pipe with a gap, after which form annular and multi-grooves with a spiral-shaped groove in the inner cavity of a thick-walled pipe nN which on its outer surfaces form the inner surface of a thin-walled pipe air pockets.
RU2003114933/06A 2003-05-21 2003-05-21 Convective fire tube for steel hot-water flue boiler and method of manufacture of such tube RU2269717C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003114933/06A RU2269717C2 (en) 2003-05-21 2003-05-21 Convective fire tube for steel hot-water flue boiler and method of manufacture of such tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003114933/06A RU2269717C2 (en) 2003-05-21 2003-05-21 Convective fire tube for steel hot-water flue boiler and method of manufacture of such tube

Publications (2)

Publication Number Publication Date
RU2003114933A true RU2003114933A (en) 2004-11-20
RU2269717C2 RU2269717C2 (en) 2006-02-10

Family

ID=36050097

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003114933/06A RU2269717C2 (en) 2003-05-21 2003-05-21 Convective fire tube for steel hot-water flue boiler and method of manufacture of such tube

Country Status (1)

Country Link
RU (1) RU2269717C2 (en)

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