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Three prevention measures of coal gangue yard
Legal analysis: 1. For coal, coal gangue, ore, building materials, cement lime, raw materials for production, soil, fly ash and other materials, warehouses, storage tanks, closed or semi-closed yards and other forms should be adopted to avoid dust and wind erosion. Large coal piles and material piles should be closed for storage or wind and dust suppression facilities should be built. Port loading and unloading terminals should take measures such as setting up enclosure walls, dust-proof nets and spraying dust suppressants to prevent particles from escaping. For raw material piles with frequent loading and unloading operations, it should be carried out in a closed workshop. For a small amount of mixing, crushing, screening and other operations should be carried out under closed conditions. _

2. When loading and unloading in the yard in the open air, dust suppression measures such as sprinkling water or spraying stabilizers should be taken to avoid windy weather. Dust-proof nets or dust-proof cloths should be set for the material piles, muck piles, waste residues and building materials that are easy to generate dust, and spraying and curing treatment should be carried out when necessary.

3, temporary waste rock pile, material pile, bulk cargo yard should be set higher than the waste rock pile enclosure, wind screen, wind screen or cover; For long-term waste (power plant ash, industrial dust, waste residue, slag, etc. ), plants can be planted around the ground and yard, and waste piles can be fixed through plant growth to reduce wind erosion and dust.

4. For slopes, yards, sidewalks, docks, freight yards, quarrying and mining sites of open-air storage yards, measures such as paving, hardening and spraying dust suppressants or stabilizers regularly can be taken.

Legal basis: management measures for comprehensive utilization of coal gangue

Article 1 In order to further promote the healthy and orderly development of comprehensive utilization of coal gangue, develop circular economy, reduce its impact on land resource occupation and environment, improve resource utilization efficiency, and promote coal mine safety production, these measures are formulated in accordance with the Clean Production Promotion Law, the Solid Waste Pollution Prevention Law, the Circular Economy Promotion Law and the Coal Law.

Article 2 These Measures shall apply to the management activities of comprehensive utilization of coal gangue in People's Republic of China (PRC).

The term "coal gangue" as mentioned in these Measures refers to the carbonaceous rocks discharged in the production process of coal mining, coal mining and coal washing, and is the waste in the production process of coal mines.

The comprehensive utilization of coal gangue as mentioned in these Measures refers to the use of coal gangue for underground filling, power generation, production of building materials, recovery of mineral products, preparation of chemical products, road construction and land reclamation.

Article 3 The comprehensive utilization of coal gangue should adhere to the combination of emission reduction and expanded utilization, and implement nearby utilization, classified utilization, batch utilization and high value-added utilization, improve the technical level, realize the organic unity of economic benefits, social benefits and environmental benefits, strengthen the whole process management, and improve the utilization amount and utilization rate of coal gangue.