How to clean a clean room

The cleaning of A Clean Room is an important step in ensuring that its environment meets strict standards. This article will analyze and summarize the requirements, procedures and precautions for modular clean room cleaning, and list relevant standards and data to ensure that the clean room can effectively control pollution and maintain a dust-free production environment.

1. Cleaning requirements

The cleaning requirements for a clean room mainly include the following aspects:

(1) Cleaning tools and materials

- Dust-free cloth

When cleaning the wall, a clean room-specific dust-free cloth must be used to prevent secondary contamination.

- Cleaning agent ratio

The cleaning agent should be made of 90% deionized water and 10% isopropyl alcohol to ensure the decontamination effect while reducing residues.

- Special detergent

Use an approved Clean Room-specific detergent to ensure the effectiveness and safety of the detergent.

(2) Garbage management

- Garbage inspection

Check the garbage bins in the workshop and preparation room every day and remove the garbage in a timely manner.

- Classification and treatment

Garbage disposal should be strictly classified and sent to the designated location after inspection.

(3) floor and wall cleaning

- Vacuuming and mopping

Each floor should be vacuumed and cleaned with a special mop. A special vacuum cleaner with a high-efficiency filter should be used for vacuuming.

- Cleaning frequency

The walls should be wiped once a week, and the columns and supporting columns under the raised floor should be cleaned every three months.

(4) Cleaning order

- From top to bottom

When cleaning, the principle of "from top to bottom" should be followed to avoid re-contamination of the cleaned area.

- Entering order

Cleaning should be carried out from the farthest away from the door to the direction of the door to ensure cleaning efficiency and effectiveness.

2. Cleaning procedures

The cleaning procedures of the clean room should be standardized to ensure that each step is strictly implemented:

(1) Personal protection

- Change into special anti-static clothing, wear a mask, and Enter the clean room only after dust removal in the air shower channel.

(2) Tool preparation

- Prepare cleaning tools and supplies, and place them according to regulations before starting cleaning work.

(3) Garbage disposal

- Pick up garbage on the ground in the order of the production line and regularly dump the garbage in the garbage bin to ensure classified treatment.

(4) Cleaning operation

- Use clean paper to clean glass, walls and shelves, use clean dustpan to clean the floor, and deal with garbage and stains on the ground in time.

(5) Regular maintenance

- Regularly clean the ceiling, air-conditioning outlets, etc. The cleaning procedures must be approved by the factory affairs department and implemented during holidays and rest periods.

(6) Cleaning supplies management

- After the cleaning work is completed, all cleaning supplies should be placed in the designated location to avoid cross contamination.

3. Precautions

During the clean room cleaning process, the following matters should be noted to keep the environment clean and safe:

(1) Disposable supplies

- Disposable supplies such as fluffy hoods and masks should be discarded and not reused.

(2) Prohibited items

- Personal items and ordinary stationery are not allowed to be brought in to avoid introducing pollution sources.

(3) Personal hygiene

- Employees need to change clothes and accessories that may cause contamination, wear special dust-free clothing, and ensure personal hygiene.

Application of relevant standards

In the cleaning process of modular clean rooms, the following relevant standards and regulations should be followed:

• ISO 14644-1

  Classification of Clean Rooms and related controlled environments.

• iso 14644-2

  monitoring and maintenance of clean rooms.

• GMP (Good Manufacturing Practice)

  Especially in the pharmaceutical and biotechnology industries.

The cleaning process of clean rooms is a complex and meticulous task. Relevant requirements and procedures must be strictly followed to ensure the dust-free state of the indoor environment. Through standardized cleaning processes and precautions, pollution can be effectively prevented and production safety and product quality can be guaranteed.