Large scale bag filter: Compliance solution for centralized dust removal in chemical industrial parks
Sep 16,2025
Due to the centralized emissions from multiple enterprises and processes, the composition of flue gas in chemical industrial parks is complex, and there is a high demand for processing air volume. Traditional decentralized dust removal equipment is prone to problems such as difficulty in meeting standards, disorderly operation and maintenance, and high costs. The large-scale bag filter, with its core advantages of "high air volume centralized treatment, corrosion-resistant customized design, and intelligent dust control compliance", has become the preferred solution for chemical industrial parks to break through environmental bottlenecks, especially suitable for overseas parks' compliance requirements for strict standards such as EU REACH and US EPA.
1、 Core design: Targeted solutions for dust removal pain points in chemical industrial parks
1. High air volume cluster architecture, covering multi-source centralized processing
Adopting a "multi unit modular combination" design, a single set of equipment can handle an air volume of 100000-500000 m ³/h, and can simultaneously connect to the waste gas pipelines of 3-5 chemical enterprises in the park. By using partition diversion devices, the flue gas from different processes is evenly distributed to each filtration unit, avoiding local dust removal failure caused by turbulent airflow and solving the efficiency waste of dispersed equipment fighting on their own.
2. Customized corrosion-resistant materials to cope with complex smoke erosion
Regarding the corrosive components such as SO ₂ and Cl ⁻ in chemical flue gas, key equipment components have undergone anti-corrosion upgrades: the shell is made of 316L stainless steel or FRP fiberglass, with an acid and alkali corrosion resistance life of 8-10 years; The filter bag is made of PTFE film material, which is both corrosion-resistant and capable of intercepting 0.1 μ m fine dust. The filtration accuracy reaches 99.9%, avoiding the problem of corrosion and damage to ordinary filter bags after 3-6 months.
3. Intelligent dust control system, stable compliance and energy consumption reduction
Equipped with a "PLC central control system+real-time monitoring module", it can remotely monitor the resistance, filter bag life, and emission concentration of each unit: when the resistance of a unit exceeds the standard, it will automatically trigger pulse cleaning; Adjust the fan speed in real-time when the emission concentration approaches the limit. Compared to traditional manual control, energy consumption is reduced by 15% -20%, and compliance data reports can be automatically generated, making it easier to respond to inspections by environmental protection departments.
2、 Compliance Adaptation: Compliant with Global Chemical Park Standards
1. Regional compliance customization
EU park: Equipment with CE and ATEX explosion-proof certification, emission concentration control ≤ 5mg/m ³, in compliance with EN 13285 standard;
North American park: meets EPA Title V emission standards, equipped with VOCs collaborative treatment modules to avoid secondary pollution fines;
Southeast Asia Park: Suitable for high temperature and high humidity environments, equipped with dehumidification devices to prevent filter bags from getting damp and clumping, with an emission concentration of ≤ 20mg/m ³, in line with local environmental protection upgrade requirements.
2. Actual case: The landing effect of a chemical park in Southeast Asia
The park originally had 5 chemical enterprises that dispersed dust removal, with emission concentrations often exceeding 30mg/m ³ and annual fines exceeding 100000 US dollars. After connecting a single set of 200000 m ³/h large bag filter:
The emission concentration remains stable at 8mg/m ³ and has been certified by the local environmental protection department;
The operation and maintenance cost has decreased from $250000 per year for decentralized management to $120000 per year for centralized processing;
After harmless treatment, some of the collected organic dust is recycled for fuel, generating an additional annual income of $20000.
3、 Core advantages of foreign trade: worry free implementation, long-term guarantee
For overseas chemical industrial parks, large-scale bag filters are not only "compliance tools", but also "cost reduction managers": providing full process services from site survey, scheme design to installation and commissioning; Support multilingual operation interface and remote operation and maintenance to solve the problem of insufficient overseas technical team; The key components are guaranteed for 3 years, reducing maintenance concerns in the later stage.
Under the trend of "environmental compliance+cost reduction and efficiency improvement" in the global chemical industry, the centralized treatment solution of large bag filters can help parks achieve "one investment, multiple factories meeting standards" and become the core competitive product in the field of foreign trade chemical environmental protection.
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