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Table of Contents

PART I: CURRENT STATE OF SAFETY IN THE AIR PURIFIER MANUFACTURING INDUSTRY

I. General Situation

The Ministry of Labour, Invalids and Social Affairs informs sectors and localities of the occupational accident situation in the first 6 months of 2024 and outlines key solutions to proactively prevent incidents and accidents in the last 6 months of 2024. According to reports from 61 out of 63 centrally governed provinces and cities, in the first 6 months of 2024, there were a total of 3,201 occupational accidents nationwide (a decrease of 227 cases, equivalent to 7.09% compared to the same period in 2023), resulting in 3,065 victims (a decrease of 197 people, equivalent to 6.04% compared to the first 6 months of 2023), including both employees under labor contracts and those working without labor contracts. Specifically:

Number of fatal occupational accidents: 320 cases, a decrease of 25 cases (7.25%) compared to the first 6 months of 2023 (including 245 cases in areas with labor relations, a decrease of 28 cases or 10.3%; and 75 cases in areas without labor contracts, an increase of 3 cases or 4.2% compared to the first 6 months of 2023);
Number of deaths due to occupational accidents: 346 people, a decrease of 7 people or 1.98% compared to the same period in 2023 (including 268 in areas with labor relations, a decrease of 13 people or 4.63%; and 78 in areas without labor contracts, an increase of 6 people or 8.33%).
Number of people seriously injured: 810 people, an increase of 26 people or 3.32% compared to the first 6 months of 2023 (including 710 in areas with labor relations, a decrease of 5 people or 0.7%; and 100 in areas without labor contracts, an increase of 31 people or 44.92%).

Download the PDF file Occupational Accident Report – First 6 Months of 2024 issued by the Ministry of Labour, Invalids and Social Affairs.

The occupational accident situation in the first 6 months of 2024 in both sectors with and without labor relations saw a decrease in the number of deaths and fatal accidents compared to the same period in 2023.

II. Some Occupational Accidents in Air Purifier Manufacturing Plants

In the air purifier manufacturing industry, ensuring occupational safety is extremely important. However, numerous accidents have occurred, seriously affecting the health and safety of workers. Below are some typical examples:

Equipment-Related Accidents: Common accidents involve machinery and equipment, such as hands getting caught in mechanical parts, or injuries from malfunctions during equipment operation.
Chemicals and Dust: During production, exposure to hazardous chemicals or dust from components can cause serious health problems like pneumonia, skin irritation, and eye irritation.
Accidents Due to Unsafe Assembly Processes: Non-compliance with proper assembly procedures can lead to accidents such as falls, slips, or collisions with hard materials.
Electrical Hazards: Electrical issues like power leaks and electric shocks are also common causes of accidents in air purifier manufacturing plants.

Identifying and preventing these risks is crucial to protecting the health and ensuring the safety of all employees in the plant.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN WORKING IN AN AIR PURIFIER MANUFACTURING PLANT

I. Occupational Safety and Health for Component Assembly Staff

1. Job Characteristics of Component Assembly

Component assembly is a critical stage in the air purifier production process, ensuring that all parts are correctly combined to create a high-quality product. In this stage, components such as HEPA filters, fan motors, control panels, and various other parts are assembled according to specific procedures and are strictly inspected.

Precision in assembly is vital as it directly affects the performance and durability of the air purifier. A minor error during assembly can lead to operational malfunctions, reducing air filtration efficiency or causing breakdowns.

Therefore, assembly workers must adhere to strict technical guidelines and standards, and perform quality checks to ensure each finished product meets the highest quality requirements. Careful assembly not only ensures the stable operation of the air purifier but also contributes to customer satisfaction and the manufacturer’s reputation.

2. Types of Occupational Accidents During Component Assembly

During the assembly of air purifier components, occupational accidents can occur due to various factors. These accidents often relate to the use of tools and equipment, as well as an unsafe work environment. One common risk is injury from collisions or cuts from sharp components like parts of the HEPA filter or metal components.

Improper contact with assembly tools can also lead to injuries to hands or other body parts. Furthermore, accidents can happen when workers do not follow safety procedures, leading to unstable machinery operation or improperly assembled parts. These risks not only affect the health of workers but also reduce the efficiency and quality of the product. To minimize these accidents, following safety procedures and providing regular training for workers is essential.

3. Causes of Occupational Accidents During Component Assembly

Occupational accidents during the assembly of air purifier components can stem from various causes, affecting both worker safety and product quality. A common cause is the improper use of tools and equipment or lack of regular maintenance. Faulty or uninspected tools can cause accidents, such as unexpected cuts or collisions.

Additionally, a lack of knowledge and skill in assembly contributes to the risk of accidents. Inadequately trained workers or those who do not follow technical procedures correctly may make mistakes during assembly, leading to injuries or equipment damage. An unsafe work environment, such as a cluttered or poorly lit workspace, also increases the risk of accidents. To mitigate these risks, strict adherence to safety regulations, regular equipment maintenance, and thorough worker training are essential.

4. Preventive Measures for Occupational Accidents During Component Assembly

To prevent occupational accidents during the assembly of air purifier components, implementing safety measures is crucial. Firstly, workers need to be properly trained on assembly processes and tool usage. Understanding the correct steps and safety regulations helps minimize errors and enhances the ability to handle emergencies. Additionally, regular maintenance and inspection of tools and equipment are necessary to ensure they operate effectively and safely. The work environment also needs to be safe, clean, well-ventilated, and adequately lit to reduce risks like slips, trips, or collisions.

Specifically, following protective work regulations, such as wearing gloves and safety glasses, helps protect workers from potential injuries. Furthermore, regular quality and safety checks will help identify and promptly address potential issues. These measures not only protect the health and safety of workers but also contribute to improving the efficiency and quality of the product.

5. Occupational Safety Regulations for Component Assembly

Occupational safety regulations during the assembly of air purifier components play a crucial role in protecting health and ensuring product quality. Firstly, workers must be thoroughly trained on assembly and safety procedures, including the correct use of tools and equipment, as well as personal protective measures. Workers need to follow regulations on using protective equipment such as gloves, safety glasses, and masks to minimize risks from sharp components and dust. Work areas must be kept clean and organized, with adequate lighting and ventilation to ensure safe working conditions. Additionally, regular maintenance and inspection of tools and equipment are necessary to identify and promptly fix issues that could lead to accidents. Workers must also immediately report any incidents or hazardous situations to management for timely resolution. Adhering to these safety regulations not only protects workers but also ensures a smooth assembly process and high-quality products.

6. Handling Emergency Occupational Accidents During Component Assembly

When an occupational accident occurs during the assembly of air purifier components, handling the emergency situation quickly and effectively is crucial to minimize harm and ensure worker safety. Firstly, workers should immediately notify the medical team or a safety officer for emergency assistance. In case of serious injury, first aid such as stopping bleeding, bandaging the wound, and protecting the injured area is essential before moving the victim to the nearest medical facility. At the same time, the accident area should be isolated to prevent contact from other workers and to avoid worsening the situation. An investigation into the cause of the accident is also necessary to identify errors and improve safety procedures in the future. Reporting and documenting the incident in detail not only helps improve preventive measures but also ensures compliance with legal regulations on occupational safety. These actions not only protect workers’ health but also maintain the efficiency and stability of the production process.

II. Occupational Safety and Health for Casing Fabrication Staff

1. Job Characteristics of Casing Fabrication

Casing fabrication is a crucial stage in the production of air purifiers, requiring high precision and technical skill. The casing, usually made of plastic or metal, protects the internal components and ensures the product’s aesthetic appeal. The fabrication process begins with cutting and bending material sheets to the required sizes and shapes.

Afterward, the parts are welded to connect and form a sturdy casing structure. Finally, the casing is painted to enhance its durability and appearance, as well as to protect it from environmental factors like moisture and oxidation. These stages must be carried out with high precision to ensure the casing is not only visually pleasing but also durable enough to protect the internal components. Careful execution at each step of fabrication not only contributes to the final product’s quality but also helps improve the performance and lifespan of the air purifier.

2. Types of Occupational Accidents During Casing Fabrication

During the fabrication of the machine casing, occupational accidents can occur due to various factors related to processes like cutting, bending, welding, and painting. One common risk is injury from contact with sharp tools or cutting equipment. Sharp cutting blades or bending machines can cause severe cuts or impacts if not used correctly or without proper protective measures.

During the welding stage, the risk of burns from sparks or hot spatter is very high, especially if workers do not wear adequate protective gear. Additionally, exposure to welding fumes and hazardous gases without a good ventilation system can lead to long-term health issues such as respiratory diseases.

The risk of electrical hazards is also not to be underestimated, especially when working with CNC machines and welding equipment. Electrical incidents can lead to severe electric shock if the equipment is not properly maintained or if workers do not follow safety procedures.

To minimize these accidents, adherence to occupational safety rules, use of adequate protective equipment, and regular training for workers are very important. Factories need to focus on checking and maintaining equipment to ensure all production stages are safe and effective.

3. Causes of Occupational Accidents During Casing Fabrication

Occupational accidents during casing fabrication often occur due to various causes related to the manufacturing processes of plastic or metal, such as cutting, bending, welding, and painting. A primary cause is the improper use of equipment and tools or lack of regular maintenance. Sharp cutting machines or bending equipment can cause severe injuries if not operated according to instructions or without protective measures.

Additionally, inexperienced or inadequately trained workers may face risks when handling welding processes, leading to burns or accidents from welding sparks. A lack of personal protective equipment, such as not wearing protective gloves or face shields, also increases the risk of injury from contact with chemicals in paint or hot components.

An unsafe work environment, such as poor lighting, inadequate ventilation, or a cramped workspace, can increase the risk of accidents. To minimize these risks, strict adherence to safety procedures, thorough training for workers, and regular equipment maintenance are very important.

4. Preventive Measures for Occupational Accidents During Casing Fabrication

To prevent occupational accidents during casing fabrication, implementing safety measures is very important. Firstly, workers need to be thoroughly trained on fabrication processes and equipment usage. Understanding the process and how to use tools will help minimize the risk of errors and accidents. Tools and equipment should be regularly maintained to ensure they operate effectively and safely.

During cutting, bending, and welding, using personal protective equipment such as gloves, safety glasses, and masks is essential to protect workers from injuries and exposure to hazardous chemicals. At the same time, the work area should be kept clean, well-ventilated, and adequately lit to minimize accidents. Ventilation systems must be installed and maintained to remove dust and chemical vapors during painting. Regular safety inspections and a well-maintained work environment will help detect potential hazards early and improve the work process, thereby protecting workers’ health and ensuring production efficiency.

5. Occupational Safety Regulations for Casing Fabrication

Occupational safety regulations during casing fabrication are crucial for ensuring the safety and efficiency of the work. Firstly, workers must be fully trained on fabrication processes and safe equipment usage. This includes understanding the regulations on how to operate cutting, bending, welding machines, and other equipment, as well as adhering to personal protection measures. Workers must wear adequate protective gear such as gloves, safety glasses, and masks to minimize the risk of injury or exposure to hazardous chemicals during painting. Tools and equipment must be regularly inspected and maintained to ensure safe and effective operation. The work area must be organized logically, with adequate lighting and good ventilation to prevent dust and toxic vapors. Workers must also be reminded to maintain a clean and tidy work environment and to have reporting and incident handling procedures to quickly respond to any hazardous situations. Adhering to safety regulations not only protects workers’ health but also enhances the quality and efficiency of production.

6. Handling Emergency Occupational Accidents During Casing Fabrication

When an occupational accident occurs during casing fabrication, handling the emergency situation quickly and effectively is very important. Firstly, the worker or witness should immediately notify the on-site medical team or a safety officer for timely assistance.

In case of a severe injury, first aid should be administered immediately, such as stopping bleeding or bandaging the wound, before transferring the person to a medical facility for further treatment. At the same time, the accident area should be protected and isolated to prevent further risks to others and to avoid making the situation worse. It is necessary to quickly investigate the cause of the accident to identify errors and implement necessary corrective measures, including modifying work procedures or improving safety protection. Reporting and documenting the incident in detail is also very important for improving occupational safety regulations and preventing similar accidents from happening in the future. By following these steps, the company can protect workers’ health and maintain safety in the production process.

III. Occupational Safety and Health for System Installation and Connection Staff

1. Job Characteristics of System Installation and Connection

System installation and connection is a crucial stage in the production of air purifiers, where internal components like the motor, filter, and electronic parts are assembled and connected. This process requires high precision to ensure the machine operates effectively and achieves optimal performance. The components must be installed in the correct positions and connected accurately to ensure compatibility and synchronized operation among the parts.

Specifically, connecting electronic components requires technicians to be meticulous to avoid connection errors that could lead to electrical failures or reduced machine performance. This process not only demands technical skill but also requires careful inspection and adjustment to ensure all machine functions operate according to standards. Accurate system installation and connection not only enhance the operational efficiency of the air purifier but also ensure the product’s durability and stability throughout its use.

2. Types of Occupational Accidents During System Installation and Connection

During the installation and connection of air purifier systems, various types of occupational accidents can occur due to factors related to handling and connecting parts like motors, filters, and electronic components. A common risk is injury from contact with sharp components or hardware such as connectors and screws. Improper contact with electronic components can cause electrical issues like electric shock if connections are not made correctly or if the equipment is not powered off before handling. Additionally, working in confined spaces or performing complex connections can lead to injuries from muscle strain or improper working posture.

Accidents can also occur when safety procedures are not followed, such as not using necessary protective equipment or not thoroughly checking connections before operation. These accidents not only affect the health of workers but can also disrupt the production process and affect product quality. Therefore, adhering to safety regulations and implementing protective measures are very important to minimize risks and ensure safety during system installation and connection.

3. Causes of Occupational Accidents During System Installation and Connection

Occupational accidents during the installation and connection of air purifier systems can stem from various causes. A primary cause is a lack of attention when handling sharp components or small parts, leading to cuts or scratches. Additionally, a lack of knowledge about electronic connection techniques and failure to follow safety rules can lead to the risk of electric shock or equipment damage. Improper working posture or working in a cramped space also contributes to muscle strain or spinal issues.

A lack of maintenance for equipment and tools can also increase the risk of accidents, as old or damaged tools can cause unexpected incidents during installation. Finally, inexperienced or inadequately trained workers may make errors in the assembly process, leading to technical accidents and failures. To minimize these risks, thorough training, regular equipment maintenance, and adherence to safety rules are essential.

4. Preventive Measures for Occupational Accidents During System Installation and Connection

To prevent occupational accidents during the installation and connection of air purifier systems, safety measures are essential. First, workers should be properly trained on the installation and connection process, including how to use tools and equipment safely. Using adequate personal protective equipment, such as gloves, safety glasses, and anti-cut jackets, is a prerequisite to protect against injuries from sharp components or electronic parts. Ensuring that all tools and equipment are regularly inspected and maintained helps prevent accidents caused by faulty equipment.

Additionally, workers should follow a careful inspection and connection process before putting the system into operation to detect and correct errors in a timely manner. Creating a clean and organized work environment also helps reduce accidents caused by clutter or risks from unnecessary materials. Finally, establishing a reporting and quick response system for incidents helps improve awareness and work processes, thereby minimizing future accident risks.

5. Occupational Safety Regulations for System Installation and Connection

When installing and connecting air purifier systems, adhering to occupational safety regulations is crucial to ensure worker safety and the machine’s operational efficiency. First, workers must be fully trained on the installation process, including how to use tools and safety equipment. The regulations require the use of personal protective equipment such as gloves, safety glasses, and anti-cut jackets to minimize the risk of injury. All equipment and tools must be regularly inspected to ensure they are in good working order and not damaged.

During work, workers must follow the inspection and connection process according to technical guidelines, and power must be disconnected when making electronic connections. The work process should also be maintained in a clean and organized work environment to reduce the risk of accidents. Finally, documenting and reporting incidents or near-misses is necessary to improve safety regulations and prevent future incidents. Strict adherence to safety regulations helps ensure not only the health of workers but also the quality and performance of the final product.

To obtain the occupational safety certificate, one must pass tests at occupational safety training centers. This ensures that workers have a solid understanding of safety knowledge and are certified for their work.

6. Handling Emergency Occupational Accidents During System Installation and Connection

When an occupational accident occurs during the installation and connection of an air purifier system, handling the emergency situation quickly and effectively is crucial to ensure worker safety and protect the equipment. First, it is necessary to immediately stop all activities related to the accident to prevent the situation from worsening. If the accident involves electricity, the main power source must be cut off immediately to reduce the risk of electric shock.

For injuries, workers need immediate first aid; for example, if there is a cut or skin tear, it should be cleaned and bandaged to reduce the risk of infection. At the same time, notify the medical team or emergency services to ensure the worker receives professional medical care in a timely manner. Witnesses or other workers must document the details of the accident, including the cause and consequences, for investigation and improvement of future safety procedures. Finally, after handling the emergency, it is necessary to investigate the cause of the accident to implement effective preventive measures, and to update occupational safety procedures and retrain workers if necessary.

IV. Occupational Safety and Health for Quality Control and Calibration Staff

1. Job Characteristics of Quality Control and Calibration

During the quality control and calibration of air purifiers, engineers and technicians perform a series of tests to ensure the machine operates according to the required technical specifications. This process begins with checking the airflow to determine if the machine’s suction and blowing capabilities meet the standards. Next, the filtration efficiency is evaluated to ensure that filters, including HEPA and other layers, are effective in removing dust particles and bacteria.

The machine’s noise level is also an important factor to be tested to ensure that it operates within an acceptable noise level, without affecting the surrounding environment. Calibration involves adjusting the machine’s settings and parameters to optimize its performance and meet the correct technical requirements. This process requires precision and care to ensure the air purifier operates stably, effectively, and durably throughout its use.

2. Types of Occupational Accidents During Quality Control and Calibration

During the quality control and calibration of air purifiers, several types of occupational accidents can occur due to the nature of the work and the work environment. One common accident is electric shock, especially when technicians work with the machine’s electronic components and wiring. This accident often occurs if the testing equipment is not properly de-energized or if there is an insulation failure. Other accidents may include cuts or scratches from sharp components inside the machine, such as filter parts or frame edges.

Specifically, when adjusting machine parameters, technicians may experience health issues from exposure to dust or chemicals from the filter, if proper protective measures are not in place. Additionally, a state of stress or muscle fatigue can occur if the job requires long periods of standing or continuous operation with heavy equipment. To minimize the risk of accidents, it is crucial to adhere to occupational safety regulations, use adequate protective equipment, and follow the correct inspection procedures.

3. Causes of Occupational Accidents During Quality Control and Calibration

Occupational accidents during the quality control and calibration of air purifiers often occur due to several main causes. One common cause is a lack of safety in electrical work, such as not de-energizing equipment properly or working with damaged electrical equipment. This can lead to a high risk of electric shock. Additionally, the use of inappropriate or poorly maintained tools and equipment can cause cuts, scratches, or mechanical injuries.

Furthermore, long-term exposure to dust and filter materials can affect respiratory health if proper protective measures are not in place. Sometimes, stress and fatigue from continuous work or improper posture also contribute to an increased risk of accidents. These factors may be combined with a lack of training or inexperience of employees, leading to errors in the inspection and calibration process, thereby increasing the risk of occupational accidents. Therefore, adhering to safety regulations, using protective equipment, and providing adequate training for employees are very important to prevent occupational accidents in this process.

4. Preventive Measures for Occupational Accidents During Quality Control and Calibration

To prevent occupational accidents during the quality control and calibration of air purifiers, implementing safety measures is very important. First, it is necessary to follow the correct procedure for de-energizing the equipment before starting any inspection or maintenance, and to use certified safe testing and measurement devices. Employees must be equipped with adequate personal protective equipment such as gloves, safety glasses, and masks to protect against dust and sharp objects.

Regular maintenance and inspection of tools and equipment also help minimize the risk of incidents. Specifically, technicians should be properly trained on the inspection and calibration process, as well as on handling incidents and occupational safety. Creating a clean work environment and organizing work scientifically also helps to reduce stress and fatigue, contributing to the health of employees. By implementing these measures, the work efficiency can be improved and the risk of accidents during the quality control and calibration of air purifiers can be minimized.

Complete the occupational safety and health training to be issued an occupational safety card by the training center to properly complete your work profile.

5. Occupational Safety Regulations During Quality Control and Calibration

When performing quality control and calibration of air purifiers, adhering to occupational safety regulations is essential to ensure worker safety and process efficiency. First, the work process needs to be carefully planned, including defining specific inspection steps and ensuring that all measurement and testing devices are regularly maintained and inspected.

The employees performing this task must be fully trained on safety procedures, including the use of personal protective equipment such as gloves, safety glasses, and dust masks. The regulations also require de-energizing the equipment before performing any maintenance or inspection to prevent the risk of electric shock. For tests related to airflow, filtration efficiency, and noise, it is necessary to ensure that the work areas are adequately ventilated and free from harmful dust or chemicals. Finally, fully documenting the inspection results and any incidents that occur also helps to monitor and improve the work process, while complying with current occupational safety standards. These regulations not only protect the health of employees but also ensure the operational efficiency of the air purifier.

6. Handling Emergency Occupational Accidents During Quality Control and Calibration

When an occupational accident occurs during the quality control and calibration of an air purifier, quick and accurate handling is extremely important to minimize damage and ensure everyone’s safety. First, it is necessary to quickly identify and assess the situation to understand the severity of the accident. In the event of an electric shock, immediately cut off the power source and call for an ambulance.

If there are injuries or bleeding, basic first aid measures such as stopping the bleeding and bandaging the wound should be performed before transferring the victim to the nearest medical facility. For situations involving toxic substances or dust, it is necessary to quickly move to a well-ventilated area, clean the contaminated areas, and avoid further exposure to the toxic substance.

After handling the emergency situation, it is important to conduct an investigation to determine the cause of the accident and take corrective measures to prevent similar incidents in the future. A detailed report of the accident should be prepared immediately, and safety measures should be reviewed and improved based on the lessons learned from the incident.