Construction Standards for Class B Starch Dust-Free Workshop
2024.08.08
In the field of starch production, Class B starch, due to its special uses and properties, has strict requirements for the production environment. Among them, building a dust-free workshop that meets the standards is a key link to ensure the quality and safety of Class B starch.
1. Air Cleanliness
The air cleanliness of the Class B starch dust-free workshop must meet specific standards. Pollutants such as dust particles and microorganisms in the air must be strictly controlled. For dust particles with a particle size greater than or equal to 0.5 microns, the number should be limited within a certain range per cubic meter.
For example, in the crushing and packaging links of starch, if there are too many dust particles in the air, they may mix into the starch, affecting the purity and quality of the product.
2. Temperature and Humidity Control
A suitable temperature and humidity environment is crucial for the production and storage of starch. Generally, the temperature in the workshop should be controlled between 18 - 25 degrees Celsius, and the relative humidity should be between 40% - 60%.
Too high temperature may cause starch to agglomerate, and improper humidity may cause starch to absorb moisture or dry out, thereby changing its physical and chemical properties.
For instance, in the humid season, if the humidity in the workshop is not controlled well, the starch is prone to absorbing moisture and deteriorating.
3. Ventilation and Differential Pressure
A good ventilation system can ensure the circulation and freshness of the air in the workshop. At the same time, an appropriate differential pressure should be maintained between different areas to prevent the spread of pollutants.
Usually, the pressure in the clean area should be higher than that in the non-clean area to ensure that the air flows from the clean area to the non-clean area.
4. Equipment and Pipeline Cleaning
The cleaning of production equipment and pipelines is an important measure to maintain the standards of the dust-free workshop. Regular cleaning and disinfection of equipment are carried out to prevent starch residues and microbial growth.
For example, if the pipelines for transporting starch are not cleaned thoroughly, it is easy to cause cross-contamination.
5. Personnel and Material Management
Personnel entering the workshop need to wear specific clean clothes and undergo strict disinfection procedures. The entry of materials also needs to be cleaned and inspected to ensure that no pollutants are brought in.
For example, the hair and dander of the staff may become pollution sources and must be prevented.
6. Building Materials and Structure
The building materials of the workshop should be selected to be easy to clean and non-dusting materials. The structural design should be reasonable and convenient for cleaning and maintenance.
For example, the ground should be made of anti-slip, wear-resistant and easy-to-clean materials.
In conclusion, the construction standards of the Class B starch dust-free workshop are a comprehensive system that requires strict control from multiple aspects to ensure the production quality and safety of Class B starch.
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