EPS batch pre-expansion machine

Hangzhou Epsole Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of eps batch pre-expansion machine in China. We warmly welcome you to buy high quality eps batch pre-expansion machine for sale here from our factory. Good service and reasonable price are available.

EPS batch pre-expansion machine is divided into vacuum batch pre-expanding machine and common batch pre-expanding machine. In the case of the same specification, the volume is usually larger than that of the continuous type, and the efficiency of the feeding, crushing, and air-drying devices is also required to be better.

EPS batch pre-expansion machine

The vibration-type foaming degree sensor controller is installed in front of the pre expanded polystyrene, which can correctly sense the rising degree of the foamed beads, so that the density of the pre-expanded beads is relatively uniform, and the tolerance is only ±0. 3kg/m3, which is also intermittent. A major feature of the pre-hair machine is different from the continuous pre-hair machine. When the pre-expanded beads are discharged, the temperature inside the barrel changes very little, and the occurrence of condensed water and the agglomeration of the pre-expanded beads can be eliminated, so the moisture content of the raw materials can be reduced and heat energy can be saved. This batch pre-expansion machine adopts automatic program control in operation from feeding, heating, discharging, feeding to air-drying, and the adjustment is convenient and accurate. The pre-expanded beads rise from the bottom to the top. When they reach a certain height, they can be discharged by a signal from the photoelectric cell. The action is accurate and sensitive. When the foaming pressure is stable, the density is almost the same. This is important for correct selection of molding conditions.

Due to the step-by-step matching of automatic control equipment, the  pre expanded polystyrene can be pre-heated. After heating to a certain temperature, it can easily enter the automatic pre-fire. If there is a fault, it can be automatically displayed. The amount of beads added to this type of equipment is very accurate each time, the temperature inside the machine can be displayed at any time, the air intake is uniform, and it is equipped with an air purging device; in addition, this type of equipment is equipped with an air-drying and crushing feeding device, which is also easier to control. The feeding device is generally equipped with a suction filter device, so that the powder is not easy to enter the pre-expansion machine, and it is not easy to cause blockage and agglomeration. For raw material beads with low foaming agent (longer storage time) and lighter pre-expanded beads, better results can also be achieved, which is good for cost reduction and raw material adaptability. Especially considering the requirements of environmental protection, some manufacturers have promoted the use of raw materials with low foaming agent content (about 3010). In this case, the use of batch pre-expansion machines has a higher production efficiency.

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