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we have 2 O2/Comb Analyzers Servomex Model 2700 in service
for one of the furnaces in our chemical plant. It is giving
High Temperature Alarm. Checked Temperature and found it to
be 800 Deg C whereas Set Point is 700 Deg c. It is strange
why is temperature not at SP. Also response is 23 % with 21
% Inst Air and with N2 reading is not coming down. please
clarrify this issuses very urgent
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Answer Posted / jayesh
please check in this case whether there is zero error in ur equip
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MY generator water cooler inlet line height - 11 mtr inlet water line height - 7 mtr water come into the line from overhead tank, O/H tank height - 20 mtr the first tapping in the inlet line is 2" line which down to 4 mtr level plateform., second tapping in inlet water line goes to a pump 6" line installed at 4 mtr level plateform, pump capacity 200m3/hr, head- 30 mtr, hp-40. the outlet of pump of 6" water line connected to a header of 6 mtr long of 6" line, on this header the six tapping are connected, 4 nos. 3" line goes to 11 mtr height water cooler the pressure of the line is 0.15 to 0.25 kg/cm2, 2" and 4" pipe line connected to a cooler at 4 mtrlevel plateform. my question is, at 11 mtr height level the quantity of water and flow is not sufficient for my cooler, the temp. of cooler is rises much more. you are requested to suggest the modification of pipe line/ pump for take more water flow and pressure (desired pressure is 1 kg/cm2)
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