Dust-Free Small Bag Dump Station

The Dust-Free Small Bag Dump Station (standard configuration: food/chemical grade; customizable options available: explosion-proof/sterile/high-temperature resistant) is a closed-loop dust-free purification device specifically designed for feeding powders, granules, and small blocks of materials. Leveraging the company's years of experience in material conveying and fluid purification system integration, it focuses on "closed feeding + built-in dust removal + anti-blocking and anti-arching + safety interlock protection." It adopts a flange quick-installation/floor-mounted/bracket integrated structure, offering advantages such as compact footprint, convenient feeding, dust-free and leak-free operation, low energy consumption, convenient maintenance, and ample safety redundancy. Manufactured in strict accordance with GB 12476, GB/T 19815, ISO 14644, and 3A hygiene standards, it is suitable for temperatures from room temperature to 80℃ (a 120℃ high-temperature version is available upon request), with a feeding capacity of 0.5~20g. With a capacity of m³/h and a material particle size of 10μm~50mm, this equipment is widely used in the raw material feeding process of industries such as food processing, biomedicine, fine chemicals, lithium battery materials, feed processing, plastic granules, and mineral powders. It completely solves the industry pain points of traditional feeding equipment, such as serious dust, material splashing, cross-contamination, material blockage, and inability to adapt to clean/explosion-proof conditions. It achieves **zero dust leakage, no splashing feeding, and fully controllable dust-free operation**, helping companies pass various stringent certifications and environmental inspections such as GMP, explosion-proof certificates, and food hygiene and safety, while ensuring a clean workshop environment and the occupational health of operators.

As a core feeding device for clean, explosion-proof, and dust-free production environments, this product focuses on the dual functions of "closed dust-free feeding + full-process safety protection." These three functions work synergistically, connecting upstream and downstream equipment such as raw material packaging bags, silos, tubular conveyors, and mixing equipment to achieve fourfold protection: no dust, no splashing, no cross-contamination, and no material blockage. It balances feeding efficiency with operational stability, making it suitable for demanding conditions such as aseptic production, explosion-proof workshops, and fine powder processing, meeting the air quality and material cleanliness control requirements of cleanrooms.

Sealed, dust-free, zero-leakage feeding system : Utilizing a fully sealed stainless steel housing, it is equipped with a dust-proof feeding port, a sealed operating door, and double silicone rubber sealing rings. The entire feeding process is sealed, with a powder leakage rate of <0.01%, eliminating dust and material splashing in the workshop. A built-in high-efficiency pulse dust collector system captures dust generated during the feeding process in real time, achieving a dust removal efficiency of over 99.99%. The filtered dust can be recycled and reused, avoiding material waste and ensuring that the workshop air quality meets cleanliness standards, satisfying the air purification requirements of clean work areas. It also prevents dust from entering the production environment and affecting product quality. It is compatible with various material packaging forms such as bags, drums, and boxes, and supports switching between manual and semi-automatic feeding. The feeding port is equipped with an impact-resistant baffle to reduce dust generation from material impact, meeting the high purity and cleanliness requirements of the food and pharmaceutical industries.

Anti-blocking and arch-breaking + low-consumption and long-term operation and maintenance : Standard PLC online monitoring system with preset three-level thresholds for differential pressure, material blockage, and over-temperature, automatic alarm and emergency shutdown in case of abnormality; The bottom of the feeding hopper adopts a conical structure and pneumatic arch-breaking device to effectively prevent powder materials from bridging and blocking, ensuring smooth feeding; Built-in high-efficiency filter cartridge (HEPA high-efficiency filter material can be customized), using pulse back-flushing cleaning technology, no manual disassembly and cleaning is required, the cleaning is thorough, and the filter cartridge life can reach 1-2 years; The whole equipment adopts a quick-release buckle structure, which can be disassembled, cleaned and the filter material replaced by a single person without tools, which significantly reduces operation and maintenance costs and downtime losses. At the same time, the equipment structure design facilitates cleaning and maintenance, and is suitable for the daily maintenance needs of clean production.

Explosion-proof and sterile dual safety protection + compliant material design : Utilizing a tenon-and-mortise seal + double silicone rubber sealing ring structure, the enclosure is integrally welded, ensuring excellent sealing performance. The explosion-proof model is equipped with an explosion-proof motor, anti-static enclosure, and spark detection and extinguishing system, complying with GB3836 standards and suitable for flammable and explosive dust/gas environments, eliminating the risk of dust explosions at the source. The sterile and hygienic model is made of 316L stainless steel, polished without dead corners, and can withstand CIP/SIP online cleaning and sterilization, meeting GMP and FDA hygiene requirements. All parts in contact with materials meet food-grade standards, and materials such as bamboo and wood that do not meet hygiene requirements are prohibited. It also possesses excellent antibacterial and antifungal properties, with an antibacterial rate ≥99.99% and an antifungal level of 0. Overload protection, an emergency stop button, and protective railings are added to prevent abnormal equipment damage and personnel safety hazards, ensuring long-term safe and stable operation of the equipment.

1. Compact footprint, highly adaptable, and easy to operate.

With its compact design, the machine occupies only 40% of the space of traditional feeding equipment, making it particularly suitable for space-constrained scenarios such as cleanrooms, small workshops, and areas with dense equipment. It can flexibly adapt to bagged, barrelled, and boxed materials, supporting both manual and semi-automatic feeding modes. The feeding port height is adjustable, making operation simple and convenient and reducing the labor intensity of operators. The flange interface conforms to the GB/T 9113 standard and can be directly connected to existing silos, tubular chain conveyors, and mixing equipment without large-scale plant renovations. It is adaptable to various workshop layouts and process requirements and can also be connected to enclosed conveying equipment to achieve integrated dust-free operation of feeding and conveying.

2. Modular customization, covering all material types and adaptable to various working conditions.

We can flexibly customize the feeding hopper volume, dust removal efficiency, material, and feeding method according to the characteristics of the customer's materials and working conditions. Materials include 304 stainless steel, 316L stainless steel, and carbon steel with anti-corrosion coating. Among them, 316L stainless steel can meet the stringent sterile and hygienic requirements. The surface is specially treated to be acid and alkali resistant and corrosion resistant, and meets relevant material testing standards. For sticky powders, we can choose an anti-stick coating hopper; for abrasives, we can choose a wear-resistant liner; and for ultrafine powders, we can upgrade to a HEPA high-efficiency dust removal system. From ultrafine powders (such as pharmaceutical powders and lithium battery cathode materials) to small particles (such as plastic particles and nuts), from room temperature to high temperature, from ordinary working conditions to explosion-proof/sterile conditions, we provide full coverage and can meet the personalized dust-free feeding needs of different industries.

3. Low energy consumption and low noise, resulting in outstanding economic efficiency in operation.

The optimized pulse dust removal system and energy-saving motor design reduce energy consumption by more than 25% compared to traditional dust-free feeding equipment. The pulse back-flushing cleaning technology requires no additional power and is driven purely by airflow, further reducing energy consumption. The sealed housing structure effectively isolates operating noise, with operating noise ≤60dB(A) (floor-standing model), far below workshop noise standards, creating a quiet production environment. The lifespan of vulnerable parts such as filter cartridges and sealing rings is clearly defined, and the replacement cycle can be precisely controlled through online monitoring, reducing downtime and consumable procurement costs. The long-term operating economy is outstanding, and the dust recovery design can reduce material waste and improve resource utilization.

4. Materials are compliant, testing is complete, and certification is worry-free.

Components in contact with materials can be made of 316L food-grade stainless steel, meeting 3A hygiene standards and food production requirements; explosion-proof components have passed GB3836 third-party testing and certification, and the dust removal system meets environmental protection standards; each unit undergoes no-load/load test operation, sealing and leakage test, dust removal efficiency test, and safety interlock function test before leaving the factory, and relevant test reports on material resistance to chemical reagents, antibacterial properties, and antifungal properties can be provided; third-party test reports, material certificates (MTC), explosion-proof certificates, and hygiene certification reports can be provided, fully complying with various stringent certification requirements, helping enterprises to successfully pass environmental and hygiene inspections and meet relevant standards for air quality monitoring in clean operating areas.

Shanghai Hanye Engineering Technology Co., Ltd. specializes in material handling and fluid safety, focusing on addressing pain points in the feeding process for clean, explosion-proof, and dust-free environments. With a core philosophy of "zero leakage, dust-free and efficient operation, safety and reliability, and low-cost operation and maintenance," and in line with the stringent standards of the food and pharmaceutical industries, we provide customers with highly adaptable Dust-Free Small Bag Dump Stations and related system solutions. For detailed parameters, operating condition adaptation selection, feeding volume calculations, or on-site case studies, please feel free to contact us!