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Anhui Qiangdun fire-fighting foam tanks, Anhui Qiangdun supplies foam extinguishing devices, wholesale pressure-type foam proportional mixers
, etc.
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The horizontal foam tank is a pressure-type foam proportioning mixing device, which is composed of a horizontal foam tank, capsule (diaphragm) proportioning mixer, water inlet pipe, liquid outlet pipe control system, safety valve and liquid level gauge, etc. .
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Product description
Anhui Qiang Shield Fire Pressure Foam Proportional Mixing Device is mainly composed of a tank capsule proportional mixer, an inlet pipe, an outlet pipe, a drain valve, a sewage valve, a safety valve, a pressure gauge, and a liquid level gauge. According to the structural form of the storage tank, it can be divided into horizontal proportional mixing device and vertical proportioning mixing device. It is widely used in high and low expansion foam fire extinguishing systems, closed foam spray systems or as a mixing supply device for foam guns and foam cannons. Each pipeline is equipped with a control valve and a pressure instrument is installed on the water inlet pipeline. The capsule is installed in the tank, and the capsule and the tank are independent. It is used to store foam fire extinguishing agent, and through the action of the pressure proportional mixer, the foam fire extinguishing agent stored in the device is replaced with fire water supply, and mixed with the water supply in a certain proportion to form a foam mixture
Liquid device. According to the number of proportional mixers, they are divided into single-proportion mixer mixing devices and multi-proportion mixers.
Principle of foam tank
Pressure foam proportioning mixing device
Mainly consists of a foam liquid pressure storage tank with a capsule and a pressure proportioning mixer made using the Venturi principle. When the system pipe When the water in the net flows through the pressure reducing orifice plate of the proportional mixer, a pressure difference will be formed before and after the orifice plate. A part of the water (or water) at the high pressure enters the tank through the inlet pipe of the foam tank, squeezes the capsule, and squeezes the foam liquid in the capsule through the outlet pipe of the foam tank to the low pressure part of the proportional mixer to mix with water to form a foam mixture. liquid, the formed foam mixed liquid is output to the foam generating equipment (medium, low and high expansion foam generator, foam gun, foam cannon, etc.) and mixed with air to generate foam for fire extinguishing. Part of the water enters the storage tank water through the water inlet valve pipeline. cavity, squeeze the capsule, and due to the slight pressure difference before and after the nozzle, the foam liquid in the capsule is squeezed out through the suction pipe and mixed with water to form a foam mixed liquid flow, which is sprayed through an air foam generator or other spray equipment Use foam to put out fires. There is a capsule made of rubber in the storage tank to separate the water and foam liquid. After each use, the water and foam liquid in the tank cannot be mixed and the performance of the original foam liquid remains unchanged. It can continue to be used, avoiding Waste of foam liquid. .
Characteristics and performance of the foam tank
The mixing ratio of the foam tank is stable and reliable, and can provide high-quality foam mixture.
The pressure loss of the foam tank is minimal, and the sprayed foam fire extinguishing agent has high energy and strong penetrating ability. Can quickly put out fires. About foam liquid to reduce fire extinguishing costs. Since the capsule of the foam tank separates the foam liquid from the water, the foam liquid is not used up once and can be used again next time, and the mixing accuracy is stable and reliable.
Anhui Qiangdun Fire Fighting
It has a wide range of applications, and can be used with both high, medium and low-expansion foam fire extinguishing agents. The foam proportioning mixing device of the automatic foam fire extinguishing system can be used with either foam nozzles or sprinkler nozzles.
Application scope of foam tanks
It is widely used in oil depots, tank areas, chemical plants, aircraft hangars, oil fields, fuel power plants, boiler rooms, underground garages, dangerous goods warehouses, chemical warehouses and other places.