Figure 7-2 Layout of re extinguishing components
(1) Fire extinguishing pipe and
nozzles
(2) Heat detector (3) Smoke detector
(4) Indoor horn strobe (5) Alarm bell (6) Emergency light
(7) Exit indicator (8) Outdoor horn strobe (9) Fire control box
(10) Fire extinguisher cylinder
Introduction to Water Fire Extinguishing
● In the lithium battery scenario, a water re extinguisher is pre-integrated in
the pre-fab. module, and a water nozzle and water re extinguishing pipe
network are congured to cover the projection area of the entire lithium
battery cabinet. A threaded pipe port is reserved at the pipe outlet to connect
to the external water re extinguishing system. The diameter of the main pipe
is DN32, and that of the branch pipe is DN25. (The nozzle ow coecient K is
80, and the nozzle operating pressure is greater than or equal to 0.2 MPa.)
● The ECC800-Pro starts the ventilation fan when the lithium battery thermal
runaway occurs in the pre-fab. module, a large amount of combustible gas is
generated, and the in-room carbon monoxide (CO) sensor detects that the CO
concentration is greater than or equal to 80 ppm. If the lithium battery
thermal runaway causes a re, re extinguishing water can be introduced
through the connection between the external threaded pipe port and the
external water re extinguishing system to cool the lithium battery and put
out the re.
FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario) 7 Fire Extinguishing System
Issue 04 (2023-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd. 100
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