Fire Cables Installed Vertically In Shafts Flammability Chamber

I. Fire Test Chamber

Index

Item

Technical parameters

1.1

Test chamber

There are three floors,inside dimension is 1.22m*2.44m, the ground floor at least 1.22m high and the second floor 3.66m high, the second floor 2.24m high

1.2

Materials

The walls of the structure are to be of standard concrete masonry nominally 203mm thick .The first and second floors shall be constructed of reinforced normal-weight concrete nominally 5-8in (127-203mm)thick

1.3

The slot between the floors

a slot with dimension 305mm by 610mm is to be located in the first floor and an identical slot is to be located directly above in the second floor.each slot si to be 203mm from the back wall of the room and 102mm from side wall of the room

1.4

Exhaust Duct

Exhaust duct installed in the top of the fire test chamber to exhaust Brower

1.5

Fire test chamber door

The fire test chamber is to contain steel access doors located on the first and second floors in order to install the specimen and Thermocouple.

1.6

Chamber lighting

Built-in high temperature explosion-proof lighting

1.7

Temperature measure

Use OMEGA K type Thermocouple，diameter 28awg，The temperature resistance is not less than 700 degrees, and the temperature measurement accuracy is 0.1 degrees, which can be monitored by computer software for measuring the temperature inside the box during the combustion process

Remark: this test chamber is built by customer.

II Air supply system

Index

Item

Technical parameters

2.1

Centrifugal fan

1.5KW centrifugal fan, can provide the test air volume required by the standard

2.2

Inverter device

Taiwan Taian inverter is used to adjust the speed of centrifugal fan, and then control the air volume of the combustion test box.

2.3

Air volume measuring device

Two-way flowmeter device, including thermocouple and differential pressure sensor device, measures the air flow entering the cabinet by measuring the pressure difference before and after. The air volume can be displayed and adjusted by computer software.

III.Ignition source

Serial number

Related Products

Technical indicators and parameters

6.1

Burner

1 / 2-inch steel combustion head, 6.4mm steel flame diffuser, processed according to standard size CNC.

6.2

Ignition method

Silicon nitride igniter, with a supply voltage of 24V, silicon nitride ceramic igniter can quickly heat up to 800 to 1000 degrees in tens of seconds, and ignite the fuel by direct or blast heat transfer.

Ignition can be operated by computer software

IV.Gas supply system

Serial number

Related Products

Technical indicators and parameters

7.1

Gas supply system

The gas system includes one Ito Mirai air pressure reducing valve in Japan, one Yataik solenoid valve group in Taiwan, one gas check valve, one Guilong gas filter in Italy, one Yataic oil-water separator in Taiwan, and the ALICAT gas quality 1 flow controller, installed in the metal grid control cabinet, the control cabinet is installed on the side of the box

7.2

Mass flow controller

American Alicat mass flow controller, range is 0-3.5g / s, accuracy is ± 0.8%, output voltage is 0-5V, gas flow can be set by computer software;

7.3

Time and other parameter settings

Burning time can be set by computer software

V.Computer data acquisition system

9.1

Data collected system

a. a. Advantech Taiwan collection board series:

ADAM-4520 1PCS

ADAM-4117 1PCS

ADAM-4118 2PCS

b.OMRON controller CP1H-XA40DR-A

Temperature expansion module CP1W-TS004

c. Data collection and gas system fan system are controlled separately, safe and reliable.

d. The data collection board collects data at a high speed to ensure real-time performance and stability. The data collection can be collected as fast as 1 second.

The control system is controlled by a separate OMRON programmable controller, which is stable and reliable. After the parameters are set, the gas and air are automatically controlled. Automatic control of air volume and intake fan. And equipped with control flameout protection function.

9.2

Visual operating system

a. Display the temperature of 8 thermocouples in the second layer

b. Display the temperature of one thermocouple in the first layer, and automatically judge whether the temperature of the cabinet meets the requirements before testing

c. Display blast wind speed

d. Display the exhaust system wind speed