UGSI Encore 700, Руководство по эксплуатации и обслуживанию

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CF.440.400.001.IM.0417
ENCORE
®
700 METERING PUMP
36
When received in loose fl ake form in metal containers, sodium chlorite will stand
considerable rough handling. In scooping or weighing out the material, avoid
contact with eyes, skin, mucous membranes, and clothing. Wash contaminated
clothing quickly and thoroughly with water to avoid fi re.
The danger lies in the fact that sodium chlorite in contact with or mixed with
organic substances, such as clothing, cloth gloves, cotton waste, sawdust, mops,
brooms, etc., becomes extremely sensitive to any agent, such as heat, friction,
or impact, and these exposed organic substances will ignite readily when any
of these are applied accidentally or otherwise. The fi ner the sodium chlorite is
sub-divided, as is the case when sodium chlorite solution is left to evaporate and
the more intimately it is mixed with the organic substance, the more sensitive
to heat it becomes. Although, in practice, spontaneous ignition of such mixture
is unlikely, it is theoretically possible for such a reaction to occur. Therefore,
extreme care must be used to prevent sodium chlorite fl akes or sodium solution
from coming in contact with combustible material, especially fi brous or fi nely
divided material.
4.3.4 Cleaning the Pump - Sodium Chlorite Applications - Special Precautions
WARNING: SODIUM CHLORITE, WHEN FINELY DIVIDED IN THE
PRESENCE OF ORGANIC COMPOUNDS, IS A POSSIBLE FIRE
HAZARD. FOR THIS REASON, EXTREME CARE MUST BE
EXERCISED TO PREVENT SOLUTIONS FROM DRYING OUT IN
THE THREADED PORTIONS OF THE PUMP BODY AND
RELATED PARTS. OBSERVE CAREFULLY THE MANUFACTURER/
SUPPLIER’S RECOMMENDED SAFETY PROCEDURES AND THE
HANDLING AND STORAGE PROCEDURES IN THIS MANUAL.
Perform pump cleaning procedures in accordance with the following steps. When
procedures require pump disassembly, refer to paragraph 4.4.1 - Removing Pump
From Service. Refer to Dwg. 440.400.150.010 as a guide during this procedure.
a. Transfer the suction line to a container of water and pump water
until all the sodium chlorite in the pump and discharge lines has been re-
placed by water.
b. Place a container under the pump head, then remove the suction line.
c. Shut-off the discharge line valve.
d. Relieve the pressure and drain the discharge line between the pump and the
discharge line shut-off valve.
e. Remove the pump head. Flush away any spilled solution not caught in the
!