GRANUDOS 45/100 PLUS V70 Touch
Index: 03
Change date: 25.04.2018
Operating instructions no.: BA SW 001-03 Granudos 45-100 PL V70T.docx
Page 26 of 92
The pipes of the dosing lines from the distribution system to the injection points -
downstream of the filters or the heat exchangers - are implemented in the
dimension d 20 mm (DN16), in PVC PN16 (thick-walled) with ball valve and reflux
valve. The pressure drop must be considered when the dosing line is longer than
15 m and the flow is higher than 400 l/h.
3.4.1
Requirements for the calcium hypochlorite granulate
Based on over 30 years of experience with the dosing of calcium hypochlorite
granulate it is apparent that the quality of the granulate has a significant impact on
the dosing’s functional safety. Here, we define our minimum requirements for the
calcium hypochlorite granulate. If these quality criteria are met, a proper dosing
operation can be assumed in this regard.
The following can be checked upon receiving the granulate to gain an initial
impression of the quality:
The granulate must be white. Free of clumps. No strong chlorine smell must be
present when opening the drum.
Specification:
Calcium hypochlorite concentration:
higher than 70 %
Water-insoluble (Ca(OH)2, CaCO3):
less than 4 %
Humidity:
less than 5%
Grain size:
Dust:
smaller than 0.15 mm (100 mesh)
smaller than 1%
Fraction of coarse particles:
larger than 2.5 mm (8 mesh)
smaller than 5%
3.5
Transport / storage
The devices must be checked for possible transport damage immediately after
receipt.
Caution! The systems and devices can be damaged by frost or high temperatures.
Prevent exposure to frost during transport and storage! Do not store systems and
devices next to objects with high heat radiation or directly exposed to sunlight. The
device may only be transported and stored in its original packaging. Careful
handling must be ensured.
3.5.1
Storage of chemicals
DANGER !
The safety data sheets of the chemical substance suppliers must be
adhered to! The TRGS 510 regulations for the storage of chemical
must be considered in addition.
General
Store chlorine dry and cool
Keep a chlorine supply at hand for less than 6 months