India has a large scale of petroleum, mining and manufacturing industry. Oil refineries, oil fields, mines and machinery repair plants in the surrounding areas of Bombay and Gujarat State produce over 800000 tons of oily sludge each year, mainly from oil field exploitation, tank cleaning, machinery repair and industrial production links. The local rainy season is rainy, the oily sludge stacked in the open air is easy to diffuse with the rain, and the oil infiltration into the soil will pollute the groundwater; The high temperature in dry season makes the volatilization of oil generate toxic gas, which violates the strict requirements for water and soil conservation in Indian Environmental Protection Law. The Indian environmental protection department clearly stipulates that the oil recovery rate of oily sludge shall not be less than 75%, and it is required to achieve harmless treatment. The traditional landfill and incineration methods are seriously polluted and have high energy consumption, which cannot meet the compliance requirements. Therefore, the introduction of treatment equipment suitable for local working conditions becomes the key.

Special R&D of China Yongle Environmental Protection Project for the characteristics of oily sludge in India: the core adopts the composite process of "low-temperature pyrolysis - chemical demulsification". The pyrolysis temperature is stabilized at about 420 ℃ through the intelligent temperature control system to avoid excessive cracking of oil. The oil recovery rate is stabilized at above 80%. The recovered oil can be directly supplied to the local factories or mines as fuel, meeting the industrial fuel demand in India; Considering the characteristics of high sand content and complex composition, the equipment is equipped with wear-resistant conveying parts and sand-oil separation modules to extend the service life and ensure stable operation under complex working conditions such as mines and refineries; In view of the rainy season, the pretreatment stage is equipped with a "precipitation-filtration-dewatering" module to reduce the impact of rainwater on sludge concentration. The main body of the equipment is designed to be waterproof and anti-corrosion to ensure normal operation in the rainy season.

Application scenarios cover the whole industry chain: in Gujarat State Oil Field and Oil Refinery, mobile equipment can locally process oily sludge produced by mining and production, with a daily treatment capacity of 8-10 tons to avoid leakage risks caused by long-distance transportation; the separated oil can be returned to the plant for reuse, and the residue can be used as paving materials after innocent treatment; In the mechanical maintenance centralized area around Bombay, the equipment can be connected with the production process of the maintenance plant to realize the "daily production and daily cleaning" of oily sludge, and the modular design can be flexibly adjusted according to the production volume; In small mines and factories in remote areas, the equipment covers only 90 square meters, the operation interface supports both Hindi and English, and is equipped with one touch start/stop and fault alarm functions. The staff can operate independently after short-term training.

We have extensive experience in overseas projects and have provided oily sludge treatment options for many oil and mineral resource countries. For Indian market, assist to complete compliance filing of local environmental protection department, and provide full-process services for equipment installation, commissioning and operator training. Establish after-sales service centers in Bombay and Delhi, and equip spare parts suitable for tropical climate and industrial environment. The technical team can arrive at the site for overhaul within 72 hours after equipment failure, and provide regular maintenance training. The equipment operation meets the requirements of India's environmental protection regulations, helping oil, mining and manufacturing enterprises realize green production and compliance operation. It is expected to cooperate with relevant Indian enterprises and environmental protection agencies to solve the problem of oily sludge treatment with high-efficiency equipment and promote the sustainable development of the industry.

Yongle Environmental Protection is mainly engaged in the research and development, production and sales of complete sets of technical equipment for organic solid waste disposal and comprehensive utilization. Production and manufacturing, domestic waste treatment equipment, tire pyrolysis equipment, medical waste disposal equipment, hazardous waste disposal equipment, and achieve efficient and comprehensive utilization of resources through independently developed low-temperature anaerobic pyrolysis equipment technology solutions.

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