© Предоставлено пресс-службой ТПУ
TOMSK, Jun 14 – RIA Tomsk. Scientists of Tomsk Polytechnic University (TPU) will finish until the end of 2018 the development
of the first domestic flaw detector for check "from within" welded
seams at construction of gas pipelines in the Arctic, the director of Institute
of Non-Destructive Testing Valery Borikov reported RIA Tomsk.
Earlier it was reported that
TPU scientists will create for "Gazprom" the new filmless flaw
detector for quality check of welded seams on pipelines of the company which
will be cheaper than analogs and will be able to work in the Arctic.
"It is about the creation
of new system of radioscopic quality control of welded seams for gas-and oil
pipelines. This system can be used at installation of pipes at a negative
temperature to minus 50, it can be used also in the conditions of the Arctic –
for example, on the Arctic shelf. Term is established – two years, until the
end of 2018", – Borikov told.
© РИА Томск. Павел Стефанский
He specified that there are no
similar domestic devices now. The system allows to illuminate through welded
seams due to the fact that in a pipe the special independent cart with a
radiation source is put – for example, the x-ray device or the betatron.
Radiation is fixed from outer side of the gas pipeline, at the expense of it
there is a through image of a seam on which defects are visible.
"There is still a
know-how – digital detectors are used, thereby we increase control speed.
Earlier (in flaw detectors) the film was used: the device carried out shooting,
the film was taken out, shown, watched. And now the operator is able in real
time to monitor shooting and at once to see where there is a defect", –
Borikov explained.
He added that polytechnicians
develop system by the request of "Gazprom" for which they already
created flaw detectors of other types. It is supposed that about 100 million
rubles from TPU and "Gazprom" will be invested in the project.