SU719824A1 - Method of electric and gas welding and cutting - Google Patents
Method of electric and gas welding and cutting Download PDFInfo
- Publication number
- SU719824A1 SU719824A1 SU782613561A SU2613561A SU719824A1 SU 719824 A1 SU719824 A1 SU 719824A1 SU 782613561 A SU782613561 A SU 782613561A SU 2613561 A SU2613561 A SU 2613561A SU 719824 A1 SU719824 A1 SU 719824A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cutting
- electric
- gas welding
- explosion
- flue gases
- Prior art date
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- Housings And Mounting Of Transformers (AREA)
- Arc Welding In General (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
Изобретение относитс к сварке и резке металлов и может быть использовано при выполнении электро- и газовой сварки и резки неочи111енных от остатков нефтепродуктов резервуаров путем создани в них взрывобезопасной среды. Известен способ выполнени эл ктрои газовой сварки и резки на неочищенных от остатков нефтепродуктов резервуаров , при котором Взрьюобезопасна среда в резервуарах достигаетс путем заполнени их только углекислым газом& . Недостаток этого способа, обладающего высокой стоимостью, заключаетс в том, что при впуске углекислого гаЬа в резервуар возможно образование статического электричества, привод щее к вз рыву паров нефтепродуктов. Наиболее близким по технической сущности и достигаемому эффекту вл ет с способ сварки и резки металлов, примен емый на неочищенных от остатков нефтепродуктов резервуарах, например на нефтеналивных судах и баржах, заключающийс в том что на врем проведени сварки и резки емкости с остатками не4 тепродуктов заполн ют дымовыми газами, получаемыми в газогенё раторных установках с целью образовани в ёмкост х взрывобезопасной среди . Недостаток данного способа состоит в том, что после заполнени емкости (резервуара) дымовыми газами во врем сварки или резки необходимо дополнительно , в среднем раз в час, подкачивать в емкость дымовые газы дл поддержани необходимой взрьшобезопасности их кон., центрацни. Это значительно увеличивает стоимость использовани дымовых .газов, так как дл поддержани необходимой концентрации их в емкости в течение всего времени производства работ необходимо, использовать газогенераторную установку и загружать работой обслуживающий ее штат работников, при этом она практически неThe invention relates to the welding and cutting of metals and can be used to perform electric and gas welding and to cut tanks, which are unrefined from oil residues, by creating an explosion-proof environment in them. There is a known method for performing electric gas welding and cutting on tanks that are not cleaned of petroleum residues, in which an explosion-proof environment in tanks is achieved by filling them with carbon dioxide only & . The disadvantage of this high cost method is that when carbon dioxide is introduced into the reservoir, static electricity may be generated, leading to an explosion of oil product vapors. The closest in technical essence and achievable effect is with the method of welding and cutting metals used on tanks, which are not cleaned of oil residues, for example, on oil tankers and barges, which, in the process of welding and cutting, contain non-heat products flue gases produced in gas-generating installations for the purpose of forming an explosion-proof among the tanks. The disadvantage of this method is that after filling the tank (tank) with flue gases during welding or cutting, it is necessary, additionally, on average once an hour, to pump flue gases into the tank in order to maintain the required explosion safety. This significantly increases the cost of using flue gases, as it is necessary to maintain the required concentration in the tank during the entire time of the work, use the gas generator plant and load the work of its staff of workers, while
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782613561A SU719824A1 (en) | 1978-05-10 | 1978-05-10 | Method of electric and gas welding and cutting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782613561A SU719824A1 (en) | 1978-05-10 | 1978-05-10 | Method of electric and gas welding and cutting |
Publications (1)
Publication Number | Publication Date |
---|---|
SU719824A1 true SU719824A1 (en) | 1980-03-05 |
Family
ID=20763714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782613561A SU719824A1 (en) | 1978-05-10 | 1978-05-10 | Method of electric and gas welding and cutting |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU719824A1 (en) |
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1978
- 1978-05-10 SU SU782613561A patent/SU719824A1/en active
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