Before updating the equipment, why not review the pressure loss of the dust collector?
We propose improvements in pressure loss reduction, energy saving, and filter cleaning for the existing bag filter dust collectors at biomass power plants. By changing the conventional venturi-type retainer to a cone-type retainer, there is potential to reduce the pressure loss of the dust collector and the power consumption of the blower. In comparative tests conducted by Shinko Industries, a 64% improvement in pressure loss and a 17% reduction in power consumption under the same airflow conditions were demonstrated. *Note: These comparison values are based on the manufacturer's test conditions and do not guarantee effects for individual equipment. Additionally, the cone structure is expected to improve the cleaning from the upper part of the filter cloth, which tends to be insufficient in conventional types. For top-extraction dust collectors, it may be possible to carry out renovations focused on replacing the existing retainers. At So Village Consultant, we will review the operating conditions of the equipment and consider the annual economic benefits and return on investment based on power reduction amounts, maintenance costs, and installation costs.
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basic information
【Target Equipment】 Existing pulse jet type bag filter dust collector (Mainly for exhaust gas treatment equipment at biomass power plants) 【Improvement Method】 Replace the existing venturi type retainer with a cone type retainer 【Main Improvement Items】 - Reduction of pressure loss in the dust collector - Reduction of power consumption by the blower - Improvement of the cleaning process for the upper part of the filter cloth 【Implementation Conditions】 - Suction method: Focus on retainer replacement - Blowing method: May require removal of the top plate and new construction 【Pre-Verification Items】 Dimensions and number of filter cloths, installation method, operating differential pressure, blower power, pulse conditions, replacement history, etc. *Compatibility and improvement effects for each piece of equipment will be confirmed individually.
Price information
Individual quotation support. Costs vary depending on the structure of the existing dust collector, the dimensions and number of filter bags and retainers, the extraction method (top or bottom), and the scope of work. After confirming the equipment information, we will estimate the introduction costs, annual savings effects, and payback period.
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Applications/Examples of results
**Main Use** Improvement of the existing pulse jet bag filter dust collector installed in the exhaust gas treatment equipment of biomass power plants. **Issues to Address** - High pressure loss in the dust collector - Desire to reduce power consumption of the blower - Improvement of the cleaning process for the upper part of the filter cloth - Review of the filter cloth replacement cycle and maintenance costs **Consideration for Implementation** Confirm the structure and operating conditions of the existing equipment, and evaluate the potential for improvement and annual economic benefits. *Note: This does not indicate implementation results or reduction effects at individual power plants.*
Detailed information
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In conventional Venturi types, the removal of dust from the top of the filter cloth may be insufficient, leading to dust residue. The cone-type retainer is designed to improve the dust removal performance by expanding from the top of the filter cloth. It is expected to reduce filter cloth abrasion and extend the replacement cycle. *This explanation is based on comparative tests conducted by Shinko Industries. The effectiveness may vary depending on equipment and operating conditions.*
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**Improvement Effects of Cone Type Retainer** This is a comparison result with a conventional Venturi using Shinko Industries' testing equipment. - Blower suction negative pressure: 64% improvement - Power consumption of the blower at the same air volume: 17% reduction - Filtration area at the top of the filter cloth: approximately 10% increase (for a filter cloth length of 6m) Energy savings due to reduced pressure loss and improvements in the cleaning of the top of the filter cloth are expected. *Note: The values are comparison figures under the manufacturer's test conditions and do not guarantee effects in actual equipment.*
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Company information
Sora Village Consultant is a business that finds improvement opportunities buried within existing equipment at factories and power plants, leading to energy savings and cost reductions. We emphasize the importance of confirming whether the current equipment is performing to its original capacity before deciding on equipment upgrades. Currently, we are focusing on reducing pressure loss and improving discharge performance with cone-type retainers in pulse jet bag filter dust collectors. We not only consider the technical feasibility of improvements but also assess their impact on annual electricity costs and maintenance expenses, supporting equipment managers in proposing improvements to management.
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