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How to improve work efficiency when using bag filters in foundry factories

In the casting industry, bag filter is a key equipment for purifying the large amount of dust and smoke generated during the production process. It is of great significance for improving the working environment, ensuring employee health, and complying with environmental regulations. However, how to further improve the efficiency of bag filters while ensuring dust removal efficiency is a practical problem faced by many foundries. This article will explore methods to improve the efficiency of bag filters in foundry factories from four aspects: equipment selection, operation and maintenance, optimization design, and system integration.
1、 Equipment selection and matching

  1. Adaptability selection: Firstly, select the appropriate bag filter model based on the production scale, process characteristics, and dust properties of the foundry. The dust characteristics generated by different casting processes are different, such as dust particle size, temperature, humidity, chemical composition, etc. It is necessary to choose filter materials that are resistant to high temperature, corrosion, and high filtration accuracy to make cloth bags.
  2. Matching of processing capacity: Ensure that the processing air volume of the bag filter matches the dust production of the foundry, to avoid low dust removal efficiency or equipment overload caused by insufficient processing capacity.

2、 Refined operation and maintenance

  1. Reasonable setting of operating parameters: Adjust the operating parameters of the dust collector according to production conditions, such as cleaning cycle, cleaning pressure, wind speed, etc., to maintain the best dust removal effect, reduce operating resistance, and improve dust removal efficiency.
  2. Regular maintenance: Regularly inspect and replace severely worn filter bags, clean accumulated dust, maintain the good operation status of the dust removal system, and ensure that the bag filter is always in optimal working condition.

3、 Optimizing design and technological innovation

  1. Improve the performance of filter bags: Use high-efficiency filter media, such as membrane or nanofiltration media, to improve filtration efficiency, reduce cleaning times, and reduce energy consumption.
  2. Optimize cleaning technology: Multiple cleaning methods such as pulse spraying and reverse blowing are adopted, combined with PLC intelligent control system to achieve precise and efficient cleaning, avoid clogging of filter bags, and improve dust removal efficiency.
  3. Add pre-treatment device: Install a cyclone separator or other pre-treatment equipment at the front end of the bag filter to remove large particle dust in advance, reduce the pressure of the bag filter, and extend the service life of the filter bag.

4、 System integration and energy conservation and consumption reduction

  1. Thermal energy recovery and utilization: In the production process of a foundry, a large amount of waste heat is often generated. By adding a waste heat recovery device, the heat energy released during the dust removal process can be recovered and utilized to reduce energy consumption.
  2. Integrated dust removal system: Centralize the treatment of multiple dust production points in the foundry, build an integrated dust removal system, reduce the number of equipment, simplify management, and improve overall operational efficiency.
Pub Time : 2024-02-04 11:04:01 >> News list
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ZHEJIANG GRACE ENVIROTECH CO., LTD

Contact Person: Miss. Doreen Zou

Tel: 0086 135 8806 5995

Fax: 86-571-86073956

ZHEJIANG GRACE ENVIROTECH CO., LTD
No. 100 Sunjiali, Ling Jiawu Industrial Zone, Wenyan, Xiaoshan, Hangzhou,China
Tel: 86-571-86058862-8008
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