RU94018358A - Method and apparatus for removing excessive layer of zinc from tube inner surface during hot zincing - Google Patents

Method and apparatus for removing excessive layer of zinc from tube inner surface during hot zincing

Info

Publication number
RU94018358A
RU94018358A RU94018358/02A RU94018358A RU94018358A RU 94018358 A RU94018358 A RU 94018358A RU 94018358/02 A RU94018358/02 A RU 94018358/02A RU 94018358 A RU94018358 A RU 94018358A RU 94018358 A RU94018358 A RU 94018358A
Authority
RU
Russia
Prior art keywords
pipe
tube
drive
guide
zinc
Prior art date
Application number
RU94018358/02A
Other languages
Russian (ru)
Other versions
RU2093603C1 (en
Inventor
А.С. Буров
Original Assignee
А.С. Буров
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by А.С. Буров filed Critical А.С. Буров
Priority to RU94018358A priority Critical patent/RU2093603C1/en
Publication of RU94018358A publication Critical patent/RU94018358A/en
Application granted granted Critical
Publication of RU2093603C1 publication Critical patent/RU2093603C1/en

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  • Coating With Molten Metal (AREA)

Abstract

FIELD: hot coating. SUBSTANCE: method involves dipping tube into hot zincing bath; withdrawing from molten zinc at an angle relative to horizontal plane; moving tube in transverse direction; introducing apparatus into tube and withdrawing it, with gaseous medium being simultaneously supplied between bar and tube inner surface and tube temperature being maintained at level above zinc melting temperature. Apparatus has needle-shaped bar 1 with guide 9 and drive 8. One end of bar 1 is provided with nozzle 2 having shape conforming with tube inner surface shape. Guide 9 is formed as pipe with recess and provided with funnels 11 and 16 for retaining tube ends. Funnels are interconnected through double-armed lever 15. Guide is further provided with spring 12. Other end of bar 1 is connected with drive formed as cable 3 with pulleys 4 and drive drum 5 seated over end of high-speed shaft 6 of reducer, whose low-speed shaft 7 has drive. EFFECT: increased efficiency and improved quality of tube surface. 2 dwg

Claims (1)

Изобретение относится к области горячих покрытий. Задачей изобретения является удаление излишков цинка с внутренней поверхности трубы при горячем цинковании. Сущность изобретения состоит в том, что трубу опускают в ванну для горячего цинкования, извлекают из расплавленного цинка под углом к горизонту, перемещают трубу в поперечном направлении, в трубу вводят и выводят инструмент, одновременно с этим между штангой и внутренней поверхностью трубы подают под избыточным давлением газообразный состав, поддерживают температуру трубы на всем ее протяжении выше точки плавления цинка. Способ реализуется с помощью инструмента, состоящего из штанги-иглы 1 с направляющей 9 и приводом 8, причем один конец иглы 1 снабжен насадкой 2, форма которой повторяет форму внутренней поверхности трубы, а направляющая 9 иглы 1 выполнена в виде трубы с прорезью и снабжена раструбами 11 и 16 для фиксации трубы по торцам, соединенными через двуплечий рычаг 15, пружиной 12, другой конец иглы 1 соединен с приводом, выполненным в виде троса 3, снабженного блоками 4 и приводным барабаном 5, насаженным на конец быстроходного вала 6 редуктора, тихоходный вал 7 которого снабжен приводом.The invention relates to the field of hot coatings. The objective of the invention is to remove excess zinc from the inner surface of the pipe during hot dip galvanizing. The essence of the invention lies in the fact that the pipe is lowered into the hot dip galvanizing bath, removed from the molten zinc at an angle to the horizontal, the pipe is moved in the transverse direction, a tool is introduced and removed into the pipe, at the same time, it is supplied under pressure between the rod and the inner surface of the pipe gaseous composition, maintain the temperature of the pipe throughout its length above the melting point of zinc. The method is implemented using a tool consisting of a rod-needle 1 with a guide 9 and a drive 8, moreover, one end of the needle 1 is equipped with a nozzle 2, the shape of which follows the shape of the inner surface of the pipe, and the guide 9 of the needle 1 is made in the form of a pipe with a slot and provided with sockets 11 and 16 for fixing the pipe at the ends connected via a two-arm lever 15, a spring 12, the other end of the needle 1 is connected to a drive made in the form of a cable 3, equipped with blocks 4 and a drive drum 5, mounted on the end of the high-speed shaft 6 of the gearbox, low-speed shaft 7 which is equipped with a drive.
RU94018358A 1994-05-19 1994-05-19 Method and apparatus for removal of excessive layer of zinc from inner surface of pipe in the process of zincing RU2093603C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94018358A RU2093603C1 (en) 1994-05-19 1994-05-19 Method and apparatus for removal of excessive layer of zinc from inner surface of pipe in the process of zincing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94018358A RU2093603C1 (en) 1994-05-19 1994-05-19 Method and apparatus for removal of excessive layer of zinc from inner surface of pipe in the process of zincing

Publications (2)

Publication Number Publication Date
RU94018358A true RU94018358A (en) 1996-04-27
RU2093603C1 RU2093603C1 (en) 1997-10-20

Family

ID=20156125

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94018358A RU2093603C1 (en) 1994-05-19 1994-05-19 Method and apparatus for removal of excessive layer of zinc from inner surface of pipe in the process of zincing

Country Status (1)

Country Link
RU (1) RU2093603C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106191735A (en) * 2016-08-31 2016-12-07 浙江金洲管道科技股份有限公司 A kind of oblique pipeline of coating steel pipe
CN106244966A (en) * 2016-08-31 2016-12-21 浙江金洲管道科技股份有限公司 A kind of steel pipe hot-dipping height inclines transporter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106191735A (en) * 2016-08-31 2016-12-07 浙江金洲管道科技股份有限公司 A kind of oblique pipeline of coating steel pipe
CN106244966A (en) * 2016-08-31 2016-12-21 浙江金洲管道科技股份有限公司 A kind of steel pipe hot-dipping height inclines transporter
CN106244966B (en) * 2016-08-31 2018-11-16 浙江金洲管道科技股份有限公司 A kind of steel pipe hot-dipping height inclines transmission device
CN106191735B (en) * 2016-08-31 2018-11-16 浙江金洲管道科技股份有限公司 A kind of oblique pipeline of coating steel pipe

Also Published As

Publication number Publication date
RU2093603C1 (en) 1997-10-20

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