High-efficiency production process of EPS (Expandable polystyrene) foam product

A production process and high-efficiency technology, applied in the field of foam processing, can solve the problems of long drying time and unsatisfactory drying, and achieve the effects of improving cooling efficiency, shortening drying time, and shortening drying time.

Active Publication Date: 2017-02-15
泸州市青林包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problems of long drying time and unsatisfactory drying in the existing foam production process, and the present invention provides a production process of high-efficiency EPS foam products

Method used

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  • High-efficiency production process of EPS (Expandable polystyrene) foam product
  • High-efficiency production process of EPS (Expandable polystyrene) foam product
  • High-efficiency production process of EPS (Expandable polystyrene) foam product

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Embodiment 1

[0030] like Figures 1 to 4 As shown, the present embodiment proposes a production process of high-efficiency EPS foam products, including the following steps:

[0031] 1) Prepare materials, according to the technical requirements of EPS foam products, select the appropriate specifications and models of EPS raw materials;

[0032] 2) Pre-foaming, choose a suitable EPS pre-expansion machine, turn on the EPS pre-expansion machine to preheat, raise the temperature of the foaming device to 70-75 degrees and keep it for 3-5 minutes, put the EPS raw materials into the hopper of the EPS pre-expansion machine , feed the material after preheating, and adjust to the optimum temperature, then feed steam and compressed air, and effectively control uniform foaming at the same time, to obtain EPS beads with a density that meets the requirements. The density can be adjusted from adjusting temperature, feeding The speed and the height of the bead overflow port are realized. Among them, the p...

Embodiment 2

[0043] The drying room used in the embodiment 1 comprises a drying room body 1 and a combustion chamber 5 arranged on the outside of the drying room body 1, and a hot air system and a return air system which are all communicated with the combustion chamber 5 are arranged in the drying room body 1;

[0044] The hot air system includes a left hot air exhaust pipe 2 and a right hot air exhaust pipe 10, the left hot air exhaust pipe 2 and the right hot air exhaust pipe 10 are located in the drying room body, and are respectively located on the left and right side walls of the drying room body 1 At the bottom of the bottom, the air inlets of the left hot blast exhaust pipe 2 and the right hot blast exhaust pipe 10 are respectively connected by the pipeline A11 and the pipeline B8, and the pipeline A11 and the pipeline B8 all pass through the wall of the drying room body 1 to communicate with the combustion chamber 5, and the pipeline A11 A circulating fan A4 and a circulating fan B6...

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Abstract

The invention discloses a high-efficiency production process of an EPS foam product and relates to the technical field of foam processing. The production process comprises the following steps: preparing materials; pre-foaming; ageing; preparing a mold; performing heating formation; cooling; demolding; drying; cutting; trimming; packaging; and putting in storage, wherein compressed air and a drying procedure are improved. The production process disclosed by the invention is simple and reasonable in technological procedure; compressed air supply systems are adopted; a drying room body, a combustion chamber, a hot air system and an air returning system of a drying room form a circulation system; most of hot air is circulated inside the drying room, so high thermal efficiency is realized, energy is saved, and reasonable utilization of resources is realized.

Description

technical field [0001] The invention relates to the technical field of foam processing, in particular to a production process of high-efficiency EPS foam products. Background technique [0002] Foam is widely used in packaging, heat preservation, waterproof, heat insulation, shock absorption and other fields due to its light weight, firmness, shock absorption, low moisture absorption, easy molding, good water resistance, heat insulation, and low price. One of the most widely used plastics in the world today. It can be applied to the shockproof packaging of electrical appliances, instruments, handicrafts and other vulnerable valuables, as well as the packaging of fast food. EPS foam is a type of foam. [0003] In the production process of EPS foam products, a large amount of compressed air is used, and the commonly used compressed air supply system uses post-processing equipment such as air compressors, filters, and cold dryers. [0004] In the drying process, the drying r...

Claims

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Application Information

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IPC IPC(8): B29C44/08B29C44/34B29C37/00B29K25/00
CPCB29C37/0092B29C44/08B29C44/34B29C44/3415B29K2025/06
Inventor 徐才贵
Owner 泸州市青林包装有限公司
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