Nitrogen injection fire and explosion prevention system

Nitrogen injection fire and explosion prevention system
Model:BPZM-MRD
Brand:mingrui
Origin:Made In China
Category:Electronics & Electricity / Power Supply & Distribution / Power Distribution Cabinet
Label:Nitrogen injection , fire and explosion p , fire protection
Price: US $12000 / pc
Min. Order:1 pc
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Product Description

Nitrogen injection fire and explosion prevention system

   Brief Introduction

 

In the electric power system, large capacity transformer is mainly oil immersed power transformer, its stable operation is important to ensure the safe operation of the power system. At present, the nitrogen-injection fire extinguishin device with its exclusive feature of prevention first and combination of fire prevention and fire fighting, has become an important fire control facility for oil immersed power transformer.

 

 

 

Work Condition:.

 

Detector, block valve, fire prevention cabinet can be installed outdoor while control panel should be installed indoor. Installation site should be free from violent vibration, impact and corrosive gas

 

 

 

Ambient temperature: outdoor: -40~60°C

                                      Indoor:   5~30°C

 

working power:             DC220V/DC110V

 

relative humidity:≤95   (at 20°C±5°C);

                             ≤85   (at 20°C±5°C)

configuration table

Transformer Capacity(MV.A)

50

50,≤240

240

Volume of N2 (L)

40

40

40

No. of N2 Bottle

1

2

4

Initial Pressure of N2 Bottle (MPa)

15

Pressure after depressurization (MPa

0.6

Volume of N2 after Decompression (L)

1000

2000

4000

Continuous Time of N2 Injection (min)

 

31

Valve Outlet after N2 Injection (L/min)

32.25

64.51

101.61

Flow Speed of N2 in the bottle (m/s)

1.095

2.19

3.45

N2 Injection hole quantity

2

4

6

Flow Speed of Injection Hole (L/min)

16.13

16.13

16.94

Fire-Extinguishing time(min)

1min

Operation temperature of Temperature Detectors  (℃)

130 ±10  

Diameter of oil pipemm

Φ100

diameter of nitrogen injection pipemm

Φ25

Operation time of fast vent valves

1s

  Operation temperature of fire extinguishing cabinet ()

:20℃~60    :40℃~60℃(Ⅱalpine region

Weight of fire extinguishing cabinet

230-240KG

Pressure controller action

0.06-0.16Mpa(adjustable)

Nominal pressure inner nitrogen gas cylinder

13.5MPa20℃);

Fire extinguishing cabinet  Control circuit pressure

DC220+5V

 

Nitrogen injection fire and explosion prevention system 1

Member Information

Baoding Mingrui Optoelectronics Technology Co., Ltd
Country/Region:He Bei - China
Business Nature:Manufacturer
Phone:15033843141
Contact:Lily (sales manager)
Last Online:04 Jun, 2014