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Polypropylene resin
Polypropylene resin is a structured crystalline polymer that is a light milky white granular, odorless, non-toxic, and lightweight thermoplastic resin. Suitable for making various electrical components, TV and radio casings, anti-corrosion pipes, plates, automotive components, turnover boxes, woven packaging bags, packaging film binding materials, various containers, various clothing supplies, artificial lawns, and also used for food and drug packaging.
Shandong Jingbo Petrochemical
Shandong Jingbo Petrochemical is a large private enterprise with petrochemical industry as its main business, integrating petroleum refining and subsequent deep processing. The industry involves three major sectors: high-efficiency fuels, high-end chemicals, and high-performance materials. Among them, gasoline for vehicles has reached the national standard of VIB six years in advance, and diesel for vehicles has upgraded to the national standard of VI two years in advance. It is the first enterprise in Shandong Province to implement the clean standard fuel product, and "Clean to Fuel" has been rated as an international advanced level.
Jingbo Petrochemical's high-performance polypropylene resin and supporting projects plan to produce 600000 tons of homopolymer, unplanned copolymer, and impact copolymer polypropylene annually. The main construction projects include a 200000 ton/year multi zone polypropylene plant and a 400000 ton/year loop polypropylene plant. Due to the fact that the factory is located in the northern region and the winter temperature is relatively cold, the low temperature can reach -20 ℃, which can cause freezing of process pipelines and affect normal production. Therefore, it is necessary to install insulation facilities to maintain the required temperature for production.
Project application background
Considering the simple installation, high safety and stability, low maintenance workload, and low long-term operation and maintenance costs of electric heat tracing, Jingbo Petrochemical has decided to adopt the Anhui Huanrui electric heat tracing system.
Application challenges
In the production of chemical materials, there are often many difficulties, and the biggest challenge is that they are extremely sensitive to environmental temperature. Therefore, in the construction of such projects, temperature control of process pipelines is one of the very important links. Considering the special nature of the raw materials, the project party requires the electric heating system to control the temperature of the material production process pipeline at 10 ℃.
Solution
Given the precise temperature requirements of the project system and the numerous production process devices involved, as well as the dense and branching pipeline layout, as well as the need for insulation for related water and sewage pipelines, the technical personnel have decided to choose the self limiting temperature series electric tracing tape after comprehensive consideration to address the sensitivity of the material and the complexity of the pipeline.
The self limiting temperature series electric heating strip can actively adapt to the temperature changes of the heating main body, and when used in conjunction with a temperature controller, it can always maintain the heating main body stably at the precise temperature required by the design. The electric heating strip has two parallel wires, with a polymer material heating element in the middle, an inner insulation layer, a metal shielding mesh with a coverage rate of no less than 80%, and a typical structure of an outer sheath, which fully meets the heat tracing and insulation requirements of the Jingbo Petrochemical pipeline.
The high-performance polypropylene resin and supporting pipelines of Jingbo Petrochemical adopt Huanrui electric heat tracing system for insulation, which not only ensures the orderly production, but also brings customers a high-quality experience in terms of convenient operation, intelligence, and high-quality and durable products.
We hope to use more refined and diverse electric heat tracing products to solve the antifreeze problem for customers and enable electric heat tracing insulation systems to be applied in more fields.
