What are the 10 key problems and hidden dangers of dust?

1.Dust** hazardous places are set up in multi-storey structures with non-frame structures, or have insufficient safety distances from densely populated places such as residential areas, staff dormitories, and conference rooms.

2.Combustible dust and combustible gas and other media that are prone to aggravate the danger share a set of dust removal system, and the dust removal systems of different fire partitions are interconnected.

3.The dry dust removal system does not standardize the use of any explosion control measures such as explosion venting, explosion isolation, inerting, and explosion suppression.

4.The dust removal system uses positive pressure to blow dust, and no reliable measures are taken to prevent ignition sources.

5.The dust removal system adopts dust settling chamber for dust removal, or uses a dry roadway structure as the dust removal air duct.

6.The dry dust removal system of metal dust such as aluminum and magnesium and wood dust is not equipped with an air-lock ash discharge device in a standardized manner.

7.Explosion-proof electrical equipment is not used in Zone 20 of dust** hazardous locations.

8.In front of process equipment such as crushing, grinding, and granulating, which are prone to generate mechanical ignition sources, devices for removing foreign substances such as iron and stone are not set up according to specifications.

9.In wood products processing enterprises, the air duct connected to the sander is not equipped with a spark detection and alarm device.

10.The dust cleaning system has not been formulated, and the dust on the job site has not been cleaned up in a timely manner.

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The way to clean dust: the scientific selection of dust masks certified by GB2626-2006 standards can help prevent lung damage.

1. Choose a duplex half mask type. Disposable masks are not suitable for long-term or occupational protection due to their high air leakage rate.

2. Select KN100 level. A high dust environment with a low protection rate will lead to physical injury.

3. Choose a silicone mask, which has a relatively long service life, soft and comfortable. Wear it for a long time and it is not easy to cause allergic reactions. Masks with high rigidity are prone to facial indentation.

4. Masks are divided into large and small sizes, which is extremely important. It is not recommended to buy those so-called universal models of masks, which are prone to air leakage.

5. There are two types of masks covering the mouth and nose, covering the mouth, nose and chin, and it is recommended to use the latter, which is relatively comfortable.

6. It is recommended to choose a breathing mask. Some masks are designed with double filter cotton + double filter surface, which is relatively smooth to breathe and has a long service life.

It is recommended to evaluate occupational protection from the above quality, grade, comfort and economy, and choose a good mask that can effectively prevent pneumoconiosis.

At present, there are KN100 grade products in China, and the comprehensive use cost is about one yuan per day.

Article 68 of the Air Pollution Prevention and Control Law.

Local people at all levels should strengthen the management of construction and transportation, keep roads clean, control the stacking of materials and muck, expand green space, water surface, wetlands and ground pavement vertical accumulation, and prevent and control dust pollution. Housing and urban-rural construction, city appearance and environmental sanitation, transportation, land and resources and other relevant departments shall, in accordance with the responsibilities determined by the people at the same level, do a good job in the prevention and control of dust pollution.

Article 70. Vehicles transporting coal, garbage, muck, sand, earthwork, mortar and other bulk and fluid materials shall take airtight or other measures to prevent dust pollution caused by the spilling of materials, and drive in accordance with the prescribed routes. Loading and unloading materials shall be closed or sprayed to prevent and control dust pollution.

Urban people should strengthen the cleaning and cleaning management of roads, squares, parking lots and other public places, and promote low-dust operation methods such as mechanized cleaning of clean power to prevent and control dust pollution.

The four major hazards of dust include occupational respiratory diseases, lung damage, fire risk, and environmental pollution. When dust is present in the working environment, long-term inhalation of dust by workers can lead to various respiratory diseases, such as pneumoconiosis, bronchitis, etc. Dust can also cause damage to lung tissue, such as fibrosis and decreased lung function.

In addition, some combustible dusts are prone to fire at high concentrations, posing a serious threat to personnel and equipment. Dust can also pollute the surrounding environment, affecting air quality and ecological balance. Therefore, effective protective measures and control measures must be taken to reduce the occurrence of dust hazards.

Legal Analysis: Type 1: In-situ Dust Removal System; The second type: decentralized dust removal system; The third type: centralized dust removal system.

Legal basis: Law of the People's Republic of China on the Prevention and Treatment of Occupational Diseases

Article 23 Employers shall give priority to the adoption of new technologies, new processes, new equipment and new materials that are conducive to the prevention and treatment of occupational diseases and the protection of workers' health, and gradually replace the technologies, processes, equipment and materials that pose serious hazards to occupational diseases.

Article 24 An employer that causes occupational disease hazards shall set up a bulletin board in a conspicuous position to publicize the rules and regulations on the prevention and treatment of occupational diseases, operating procedures, emergency rescue measures for occupational disease hazard accidents, and the results of testing for occupational disease hazards in the workplace.

The hazards of dust and the precautionary measures are as follows:

Hazards of dust: Hazards to the respiratory system: When dust falls on the nose, pharynx, trachea, and bronchi, especially sharp particles, such as glass, quartz, steel, bronze, silica and other dusts, can often damage the mucous membrane of the respiratory tract.

Preventive measures: replace high-dust materials with low-dust, dust-free materials, and replace high-dust-producing equipment with non-dust-producing equipment and low-dust-producing equipment, which is the fundamental measure to reduce or eliminate dust pollutionSeal the dust source. The use of closed production equipment or the conversion of open equipment to closed equipment is an important measure to prevent and reduce dust escape and control air pollution in the workplace.