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Equipment set with raw materials manual loading
Set of equipment (capacity 10 m3 per shift) The company designs and completes sets of equipment with manual loading of raw materials for polystyrene concrete production. The set includes:
PND-500 Pre-Expander. Pre-Expander is designed for polystyrene foaming. For steam supply PGES-50 Steam generator or another source is used. Primary pre-foaming of bead polystyrene is effected by hot water steam in the pre-expander chamber. The pre-expander capacity and therefore density of foamed polystyrene depends on speed (intensity) of raw material supply from the feed hopper to the receiving cone of the screw feeder. Dryer for polystyrene granules. The set is designed for drying and oxygenation of previously foamed granules before they go to the ageing bunker. Structurally the drying set consists of electric radiator to warm air and low pressure radial ventilator for transportation of granules to the ageing bunker. The drying set body has butterfly gates to control direction of warmed air flow. Air warmed up to +40-50o?? is supplied continuously to the heat treatment chamber. Previously foamed granules fall through loading hatch of the dryer body inside. Granules are exposed to air and heat treatment, which leads to stabilization of the internal pressure and hardening of the granules outer walls. After that granules fall inside suction fan and then with the help of air flow are transported to the pneumatic system.
Ageing bunkers and transfer hopper for the secondary foaming. Ageing bunkers and transfer hopper is a metal frame with a bag from ventile fabric fixed inside. Ageing bunkers are meant for drying and stabilization of pressure in polystyrene granules after foaming process, and also for intermediate storage of granules. Ageing bunkers are connected with each other and with technological parts by pneumatic system. The required number of the ageing bunkers and their total volume depend on the desired output. Overall dimensions and bunkers volume can be different, depending on the characteristics of working space and production output. To control the level of polystyrene granules in the ageing bunker is possible to install sensors or inspection window. The transfer hopper is designed to feed polystyrene granules for secondary foaming after primary foaming and ageing.
Pneumatic system is a system consisting of air ducts, low pressure radial ventilators and butterfly gates with manual or pneumatic actuator. The pneumatic system is controlled with the help of a separate control unit. The pneumatic system is designed for transportation of foamed polystyrene granules with bulk density from 6 to 50 kg/m3 by air flow between the ageing bunkers and technological parts. The air duct is made from galvanized steel and can be any shape depending on sizes and shape of working space. Design of the butterfly gates is a cylindrical drum made from thin steel plate with two flanges at the ends for joining. Rotating blade is fixed on the body axes. Number and power of the ventilators depend on the ducts length and system productivity. The pneumatic system is characterized by simplicity and reliability. The system design does not allow deformation of polystyrene granules during transportation.
The gerotor pump feeds mixture to the place of laying. The mixture can be supplied up to 100* meters horizontally and up to 20* meters vertically.
RK-3 Cutting set.
RK-3 Cutting Set is universal and it is meant for vertical sawing foamed concrete, polystyrene concrete or gas concrete into blocks of given sizes. Cutting technology make it possible to avoid the use of expensive battery molds and to achieve high accuracy of blocks’ sizes and quality of their surface. Use of the cutting set excludes a number of manual operations; increases labor capacity and reduce staff workers (to service the set only 1 person is needed). The cutting technology provides to manufacture products with geometric fidelity of ± 1 mm and product’s surface quality which meets necessary standards. This fact allows making settings using special types of glue and significantly increases thermal efficiency of exterior walls. The cutting set consists of the outfeed table for a mass and vertical band saw which divides the mass into blocks of given sizes. FM-0,84 m3, FM-1,47 m3 Moulds. For pouring and forming of mass FM-0,84 m3 and FM-1,47 m3 moulds are used. Size of mass for sawing is 1198*598*295 mm (or other sizes).
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