Price working principle of pressure type proportioning device Classification of foam tanks in Dongyue, Shandong

Description :

　　The pressure type foam proportioning device is mainly composed of a foam liquid pressure storage tank and a PHY type pressure type proportioner made by using the Venturi principle. When the water flow in the system pipe network passes through the pressure reducing orifice plate of the proportioner, a pressure difference will be formed before and after the orifice plate. Part of the water (3% or 6%) at the high pressure enters the foam tank through the water inlet pipe of the foam tank and is squeezed. The foam liquid in the tank is squeezed through the liquid outlet pipe of the foam tank to the low pressure of the proportioner and mixed with water to form foam mixture. The formed foam mixture is output to the foam production equipment and mixed with air to produce foam.

　　PHYM series pressure type proportional mixing device can form a fixed (or semi fixed) foam extinguishing system with fire pump (or fire truck), foam generation and spraying equipment. Widely used to extinguish Class A, B, and C liquid fires, it has the advantages of safety, reliability, and high fire extinguishing efficiency. It is a commonly used fire-fighting equipment in oil depots, refineries, chemical plants, oil fields, docks, oil tankers, aircraft hangars, airports, and fuel boiler rooms.

　　The pressure type proportional mixing device produced by Shandong Dongyue Crane and Fire Equipment Manufacturing Co., Ltd. is divided into membrane type and ordinary type according to the filling method; According to the placement method of the tank, it can be divided into two forms: horizontal and vertical. The mixing ratio of foam is generally 3% or 6%, and 8% mixed liquid can also be provided for medium expansion foam fire extinguishing system. The mixed liquid flow rate of the device is 4-80L/S, and the storage tank capacity is 1000-10000L with different specifications. According to the required mixed liquid flow and foam injection time, the proportional mixer and foam tank can be arbitrarily combined into a series of products to meet the needs of engineering applications.

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• Pressure type proportional mixing device