Grundfos Vaccuperm VGS-147 - Constructional Requirements of Chlorination Plants

To Next Page

To Previous Page

English (GB)

2.4 Constructional requirements of chlorination plants

All chlorine rooms

Fig. 6 Warning sign DIN 4844

– Warning sign according to DIN 4844 part 1 no. 4.2, to be

installed at entrances

Fig. 7 Supplementary sign

– Supplementary sign according to DIN 4844 part 1 no. 4.5, to

be installed at entrances

Fig. 8 Mandatory sign

– Mandatory sign according to DIN 4844 part 1 no. 4.3, to be

installed inside the rooms

Fig. 9 Instruction sheet for first aid

• Instruction sheet for first aid in case of chlorine gas

intoxications, to be installed inside the rooms

• Maximum temperature: 40 °C

– recommended temperature: 18-20 °C

– recommended minimal temperature: 15 °C

• Overpressure lines of dosing equipment must not end in the

open air

• Chlorine rooms must not be dedicated for the permanent stay

of people.

• Only chlorine containers and the chlorination plant may be

present in the rooms.

Rooms with pressure lines (e. g. storage rooms for chlorine

containers)

• Flat, even floor

– not below ground level

– not higher than a possible loading ramp

Fig. 10 Regulations for chlorine rooms (1)

Fig. 11 Regulations for chlorine rooms (2)

• Direct exit to the open air

• Lockable

– doors must open outwards

– it must be possible to open the doors without a key from

inside the room

• No connection to other rooms

– separated gastight and fire-resistant from other rooms

• A maximum of two vent holes of max. 20 cm

each

• Water sprinkling system

– for precipitating escaping chlorine gas

– operation must be possiple by hand from outside the

chlorine rooms

– sufficiently dimensioned run-off with air trap

• Chlorine gas warning system

– with optical and acoustical alarm

– coupled to the water sprinkling system

– coupling must reactivate automatically after having switched

off (e. g. for container exchange)

• Chlorine gas must not be able to get into lower-lying rooms,

shafts, pits, canals or aspirating holes of ventilation systems.

TM04 0699 0908TM04 0700 0908TM04 0701 0908TM04 0702 0908

Chlorination unit

Acces only for

instructed persons