Introduction of belt filter press

Three-mesh belt filter press is the latest generation of patented dewatering equipment developed and produced by Tianqing Environmental Protection Co., Ltd. by introducing, digesting and absorbing advanced Finnish technology. The equipment has the advantages of large capacity, high dehydration efficiency and low energy consumption. It solves many problems of traditional ordinary plate-and-frame filter press, such as high labor intensity, long dehydration time, frequent replacement of filter cloth, discontinuous work, low degree of automation and high labor consumption. Due to the latest model of pre-dewatering mesh box, the natural gravity dewatering area of sludge is extended. Moreover, the internet is not crowded, and the net is not easily blocked by fibers and sludge. Therefore, compared with the traditional sludge filter press, it is simple in structure and convenient to install, and it is an ideal product for sludge dewatering in the new generation.

Structural characteristics of three-mesh belt filter press

Three-mesh belt filter press: It consists of an extended mesh pre-dewatering system and a double-mesh forced press system.

Pre-dewatering system of expanded net: it consists of headbox, chest roll, couch roll, guide roll, steering roll, water tray, scraper and driving motor. The system uses natural gravity and scraper to dehydrate materials, and the feeding concentration is 1.5-3%. After the discharging concentration is 6-9%, it is scraped off by a scraper, and then enters the double-wire forced pressing system.

Double-wire forced press system: It consists of several rollers with different diameters and a solidification tank installed on a bracket, and consists of (upper and lower) wires driven by driving rollers, dewatering rollers, tension rollers, guide rollers, deviation rectifying devices and sealing devices at both ends of the dewatering rollers. The filter screen is tensioned by the pressure of compressed air, so that the whole mesh belt keeps constant tension, and the tension will not change with the change of feed speed; The machine is also equipped with pneumatic deflection adjusting device, which is more convenient for operation and management. The novel and practical feature is that sealing devices are arranged at both ends of at least one or more dewatering rollers, and the dewatering rollers consist of sealing belts and rollers driving the sealing belts. The sealing belt is pressed on the transverse ends of the overlapped upper and lower nets, and a tension roller is arranged between the rollers. With the rotation of the dewatering roller, the sealing belt and the roller are driven to rotate, so that the slurry between the upper and lower nets is not only squeezed by the dewatering roller, but also squeezed by the sealing belt, thus achieving the purpose of strengthening dewatering and sealing materials.

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