[Inventory] The foaming method of benzene board machinery The use of foam machinery

Do you know 'the foaming method of EPE foam machine and the use of foam machinery'? Today, Hebei Changxing Foam Machinery Co., Ltd. wants to introduce you to this aspect. I hope that through the introduction of this article, you can have a certain understanding and understanding of the foaming method of EPE foam machine and other aspects. Let’s come together. Take a look at the related introduction: Benzene board mechanical foaming machine appeared in foreign countries for a long time, and its original model used impeller to rotate at high speed to make foam, so it is also known as 'foaming machine'. Later, with the continuous advancement of technology, the technical content of the foaming machine continued to increase, and new models continued to appear, forming a different technical system. That is, the foaming agent is directly added to the mortar mixer or concrete mixer, and the foaming machine and the mortar or concrete are mixed together to generate foam. Later, around the 1970s, dedicated foaming machines, namely high-speed impeller foaming machines, began to appear. It is impossible for the benzene board mechanical foaming machine to produce foam out of thin air. It introduces air into the foaming agent aqueous solution to uniformly disperse it to achieve the largest possible contact interface between liquid and gas, so as to make the surface active substances in the foaming agent. An electric double layer is formed on the surface of the liquid film and surrounds the air, forming individual bubbles. Therefore, the foaming machine is also equivalent to the foaming machine. It is equivalent to mixing the foaming agent aqueous solution with air to form bubbles. The main body of foamed concrete is foam, so the foaming machine for making foam has become the key equipment and main machine for the production of foamed concrete. Without other methods, the foaming method of benzene board machinery will not have foam concrete. More attention: the beads of foam machinery and equipment retain a certain amount of foaming agent and water vapor. When they are out of the machine, they will condense into a liquid, and the liquid foaming agent will dissolve into the polystyrene to make the bubbles. The pressure drops quickly, negative pressure (partial vacuum) appears in the bubble, and the beads are very soft and easily deformed. Therefore, when air is sent, try not to make the wind pressure too large. The inner wall of the duct should be as smooth as possible, and the bending radius should be as large as possible (to reduce collision resistance). The pipeline should be a good conductor of electricity, and the entire line must be grounded to avoid static electricity. Sparking, the transmission speed should not exceed 8m/s to avoid damage to the beads. A certain amount of foaming agent and water vapor are retained in the pre-expanded beads of the foam machinery and equipment. When they are discharged from the machine, they will condense into a liquid, and the liquid foaming agent will dissolve into the polystyrene to quickly reduce the pressure in the bubbles. , There is negative pressure (partial vacuum) in the bubble, and the beads are very soft and easily deformed. Therefore, when air is sent, try not to make the wind pressure too large, the inner wall of the air pipe should be as smooth as possible, and the bending radius should be as large as possible (to reduce collision resistance). The pipeline should be a good conductor of electricity, and the entire line must be grounded to avoid static The use method of mechanical electric foam machinery is to start fire, and the transmission speed should not exceed 8m/s to avoid damage to the beads. The beads of the foam mechanical pre-expander are wet. After being discharged from the pre-expander, it absorbs air and suddenly encounters cold, causing the foaming agent in the honeycomb cells to condense and form a negative pressure in the cells, so the beads are in It must be placed for a period of time after the pre-expansion. On the one hand, it is dried, and on the other hand, it is allowed to infiltrate the air to eliminate the negative pressure, so that the internal pressure and external pressure in the cells are balanced, so as to prevent the cells from collapsing and make the beads elastic. The process of drying, cooling and stabilizing the cell pressure of the EPS beads just out of the pre-expander is called maturation. Maturation improves the further expansion of the pre-expanded beads during the molding process, the fusion between beads and the elasticity of the beads, which is beneficial to improve the quality of EPS products. The points introduced above are about 'the foaming method of EPE foam machine and the use of foam machinery'. I believe that after reading the introduction of this article, I will have my own understanding of this aspect. In the future, I will focus on benzene board machinery. Problems such as foaming method can also be solved well. Here, we recommend you to learn more about the manufacturers, manufacturers, foam box production equipment manufacturers, etc., and hope to help you! Keywords in this article: method, machinery, foam, foam, foaming agent, emergence, concrete
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