In the bustling industrial landscape of Malacca, Malaysia, a leading manufacturer of plastic materials faced a critical challenge in handling their fine plastic powder. The material, being highly sensitive to moisture and contamination, required a transfer solution that could maintain product purity while ensuring operational safety. After evaluating multiple suppliers, the plant partnered with Haide Powder Engineering Co., Ltd., a renowned Chinese firm specializing in pneumatic conveying systems. This case study presents the successful implementation of a dilute phase closed pneumatic conveying system tailored for plastic powder, demonstrating how Haide Powder solved the client's unique requirements with a customized, efficient, and reliable solution.
The client, a plastic powder processing facility located in the Malacca Free Trade Zone, needed to transport fine plastic powder from a central storage silo to multiple downstream mixing and packaging stations. The existing manual handling method caused significant dust emissions, product loss, and worker exposure hazards. The primary requirements included: a fully enclosed conveying process to prevent dust leakage, gentle material handling to avoid particle degradation, flexible routing to serve multiple destinations, and compatibility with the existing plant layout. The system had to be installed within a tight timeline while minimizing downtime. Haide Powder's engineering team visited the site in Malacca to conduct a thorough assessment, considering local humidity, ambient temperature, and material characteristics.
For plastic powder, which is often light, abrasive, and prone to static electricity, dilute phase pneumatic conveying offers several advantages. In this system, the material is suspended in a high-velocity air stream, typically at a low solids-to-air ratio, ensuring that particles do not collide aggressively or settle in the pipeline. The closed nature of the system means the entire conveying path is sealed from the environment, eliminating dust emissions and protecting the powder from moisture and airborne contaminants. Compared to dense phase systems, dilute phase provides simpler pipeline routing, lower installation costs, and easier maintenance. For the Malacca facility, where the plastic powder had a bulk density of approximately 0.5 g/cm³ and a particle size range of 50–200 microns, the dilute phase approach was ideal. Haide Powder designed the system to operate at an air velocity of 20–25 m/s, with a conveying capacity of 3 tons per hour over a distance of 80 meters, including multiple bends and vertical lifts.
The final system comprised a rotary airlock feeder at the inlet, a positive displacement blower unit, a stainless steel pipeline network with wear-resistant elbows, and a series of cyclone separators and bag filters at each discharge point. The entire pipeline was constructed from 304 stainless steel, internally polished to reduce friction and prevent material buildup. The blower was equipped with a variable frequency drive to adjust air volume according to real-time demand, achieving energy savings of up to 15% compared to fixed-speed operation. A PLC-based control system, integrated with the plant's existing SCADA, allowed remote monitoring of pressure, flow rate, and filter differential pressure. The system also included a nitrogen purge feature for certain sensitive plastic grades, providing an inert atmosphere inside the conveying line to prevent oxidation or dust explosion risks. The Malaysian client specifically requested compliance with local safety regulations and international standards such as ATEX and IECEx, which Haide Powder fully met by incorporating explosion-proof components and proper grounding.
Haide Powder dispatched a team of experienced engineers from their headquarters in Shandong, China, to supervise the installation in Malacca. The project was completed in 6 weeks, including site preparation, pipe spooling, electrical wiring, and system integration. During commissioning, the system was tested with a surrogate material similar to the actual plastic powder to verify conveying performance. The test results showed that the product breakage rate was less than 0.5%, well within the client's acceptable limit. The dust emission level at all discharge points was measured at below 2 mg/m³, exceeding the local environmental requirements. The client's production manager praised the system's smooth operation and low noise level, noting that the previous manual handling process had been completely eliminated. The system has been running continuously for over 12 months with only routine maintenance, such as replacing filter bags every 6 months and inspecting the rotary valve seals quarterly.
According to the plant manager, the new pneumatic conveying system for plastic powder has significantly improved production efficiency. The material transfer time from storage to packaging was reduced from 45 minutes per batch (using forklifts and manual scooping) to just 8 minutes via the automated closed loop. Product quality consistency improved because the closed system prevented contamination from dust, moisture, and foreign particles. The facility also saw a 30% reduction in labor costs associated with material handling, and the elimination of dust in the workplace improved worker health and safety. The client expressed high satisfaction with Haide Powder's technical support and after-sales service, noting that the company's local representative in Malaysia provided prompt response for any minor issues. The successful implementation in Malacca has become a reference case for other plastic powder manufacturers in Southeast Asia, leading to several follow-up inquiries from neighboring countries.
Haide Powder Engineering Co., Ltd., headquartered in Shandong, China, has over 15 years of experience in designing and manufacturing pneumatic conveying systems for a wide range of bulk materials, including plastic powder, chemical powders, food ingredients, and mineral powders. The company's dilute phase closed conveying systems have been deployed in numerous projects across Malaysia, Indonesia, Thailand, and Vietnam. For the plastic powder industry, Haide Powder offers customized solutions that consider material properties (particle size, density, hygroscopicity, abrasiveness), plant layout constraints, and local regulatory requirements. The company provides end-to-end services from feasibility study and system design to fabrication, installation, commissioning, and after-sales support. Clients can contact the sales manager, Mr. Zhang, directly at 15662777102 for project consultation or to arrange a site visit to the Malacca reference plant. The Haide Powder team is ready to discuss your specific plastic powder conveying challenges and propose a cost-effective, safe, and efficient solution.
For more details about the Malacca plastic powder dilute phase closed conveying system case or to request a quotation for your own project, please reach out to the company's designated contact. Speak with Mr. Zhang, the sales manager, who can provide technical insights and arrange a virtual or on-site meeting. Phone: 15662777102. Haide Powder Engineering Co., Ltd. is committed to delivering high-quality pneumatic conveying solutions worldwide, with a strong track record in Malaysia and the broader Asian market. Your inquiry is welcome anytime.
Shandong Headpowder Engineering Co., Ltd.
156-6277-7102（Manager Zhang） 
0531-83386006 
Jinan City, Shandong Province, China 
telephone
WeChatconsult
top