Foam Bladder Tank Filling Procedure

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Foam Bladder Tank Filling Procedure:

When it comes to foam Bladder Tank filling procedure, there are two main ways: manual filling and filling with a liquid injection pump.

1. Manual filling, that is, directly open the liquid filling cap of the foam tank, so that the foaming agent slowly flows into the tank from the liquid filling port, until the foam liquid overflows from the exhaust valve port of the capsule, you can close the inlet valve of the capsule and the exhaust valve of the tank and the liquid filling cap.

2. Liquid injection pump filling is to achieve the purpose of filling foam tank with foam agent with the help of liquid injection pump, before using the liquid injection pump filling, it is necessary to connect the relevant equipment of the liquid injection pump, connect the liquid injection pipe and the liquid injection port through threads, and then put the suction pipe of the liquid injection pump into the foaming agent, you can open the liquid injection valve, and the operation of filling the foam tank with foam agent can be realized after starting the liquid injection pump.

As with manual filling, the individual valves of the foam tank and injection pump are closed when the foam liquid has overflowed from the vent of the capsule.

Among them, the operation steps of the manual foaming agent filling method are relatively simple and easy to learn, but the time efficiency needs to be improved, and the accuracy of filling foaming agent content is not easy to control. The process of filling the liquid injection pump is obviously a little more complicated, and the operator needs to understand the use of the liquid injection pump, but due to the assistance of machinery and equipment, the whole process of filling the foam tank with foam agent has become more efficient and convenient, and there are many benefits.

Notes:

The fire foam tank is the core of the foam fire extinguishing system, and its function is to mix the stored foam stock solution and water in a certain proportion, so that the foam mixture can be formed, which directly affects the generation and quality of air foam, so what should be paid attention to in the foam Bladder Tank filling procedure?

1. When filling the foam liquid, the liquid level should reach the height of the exhaust port at the top of the foam tank, otherwise it will prolong the output time of the foam mixture and affect the function of the system.

2. The mixing ratio of the selected foam liquid should be the same as the mixing ratio indicated by the device.

3. After filling the foam from the liquid filling port every time, the liquid filling cover should be bolted to the flange to avoid leakage during work.

4. Do not work under the condition of exceeding the working pressure and the flow rate of the mixed liquid, otherwise the set mixing ratio cannot be guaranteed, the generation of air foam and the spray performance will be reduced, and the fire extinguishing effect will be affected.

5. In order to facilitate automatic exhaust, an automatic exhaust valve can be installed after the manual exhaust valve. At this time, the manual exhaust valve must be in the normally open position, and the automatic exhaust valve can automatically exclude the gas in the tank shell and capsule when used, and can be automatically closed under the action of liquid buoyancy after exhausting the gas, without the need to manually open and close the tank shell and capsule exhaust valve.

6. In the case of water pressure in the tank shell, the control valve of the level gauge cannot be opened to prevent the foam liquid from being sprayed out of the level gauge. The level gauge can only be turned on when the water in the tank shell is exhausted, otherwise it will not accurately reflect the actual height of the foam in the tank.

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