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Why are there two remote pressure gauges on top of the lockhopper in the water-coal slurry gasifier?

2012-11-09View Original

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Why are there two remote pressure gauges, PI1309 and PI1310, on top of the lockhopper of the water-coal slurry gasifier? Are the ranges of the two pressure gauges different? Please give me some advice, fellow sailors~~~
Reply #22012-11-09
It is designed for automatic operation; there are two different ranges, and the Luchi coal gasification lock is equipped with three remote pressure gauges.
Reply #32012-11-09
We have a local meter and a remote meter
Reply #42012-11-09
I also think one for remote transmission and one for on-site use is enough
Reply #52012-11-09
In my opinion, the two tables present different forms: the first one represents a boosting format, while the second one represents a stepping-down format, and this is clearly indicated
Reply #62012-11-10
One is an overreporting of the pressure setting for lock punching. The other is an underreporting of the pressure setting for pressure relief.
Reply #72012-11-10
What was said upstairs makes some sense as well, but why set the pressure value high? A high pressure difference reading is sufficient.
Reply #82012-11-11
The lock comb is used to monitor pressure during stamping
Reply #92012-11-12
One is used to measure during stamping, and the other is used to measure during pressure release; the ranges of these two gauges are different
Reply #102012-11-14
I think it’s also because the two ranges are different. . . .
Reply #112012-11-15
The two ranges are different; if one gauge is used, confusion will arise in the chain

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