1. The phenomenon of dust accumulation in the air preheater If the air preheater deposits in the operating unit, it will cause the primary and secondary air pressure at the inlet and outlet of the air preheater to swing and rise, the pressure difference between the primary and secondary air pressure will gradually increase, and […]
Bridge-type double-beam grab crane (abbreviation: garbage crane) is the key equipment of the garbage supply system of the municipal solid waste gasification power plant. The garbage crane provides gasifier charging, carrying, stirring and destacking garbage, and stacks them in a predetermined area in order to ensure that the components of the garbage entering the furnace […]
Soil remediation is a technical measure to restore the normal function of contaminated soil. In the soil remediation industry, there are more than 100 existing soil remediation technologies, and more than ten commonly used technologies, which can be roughly divided into three methods: physical, chemical, and biological. Fundamentally speaking, the technical principles of remediation of […]
Heavy metals that enter the soil as the atmosphere subsides Heavy metals in the atmosphere mainly come from gases and dust generated by energy, transportation, metallurgy and construction material production. Except for mercury, heavy metals basically enter the atmosphere in the form of aerosols and enter the soil through natural sedimentation and precipitation. Heavy metals […]
1. Dry garbage, also called inorganic garbage (recyclable garbage): It mainly includes five categories of waste paper, plastic, glass, metal and fabric, and also includes waste vehicles, household appliances and furniture, decoration waste, coal ash slag, muck, broken bricks and ash, etc. Most dry garbage can be Use after recycling. Waste paper mainly includes newspapers, […]
Project Aerobic compost Anaerobic digestion Dry incineration Dry landfill Drying + high temperature oxidation Technical applicability Only limited to organic hazardous substances and heavy metal-rich sludge rich in organic matter Applicable to some sludge rich in organic matter Suitable for domestic sludge and ordinary industrial sludge, it needs to be accepted by suitable thermal power […]
Rotary kiln refers to rotary calcination kiln (commonly known as rotary kiln) and belongs to the category of building materials equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to different materials processed. Cement kilns are mainly used for calcining cement clinker, divided into two categories: dry process […]
In the petrochemical wastewater treatment technology, oil sludge, scum and tank bottom oil sludge are referred to as “Refinery sludge”. The “Refinery sludge” treatment is a major problem in the process of oil sludge treatment in refineries. If the “Refinery sludge” is improperly handled, it will cause a vicious cycle in the sewage treatment device, […]
According to the survey results of the Ministry of Health, the amount of garbage generated in rural areas can reach 0.86 kg per person per day, 300 million tons per year, and the garbage pollution situation in China’s towns is very severe. Recently, the coordinated disposal of garbage through cement kilns has received widespread attention […]
In the process of urbanization, garbage as a product of urban metabolism was once a burden of urban development, and many cities in the world have experienced the situation of garbage siege. Nowadays, garbage is considered to be the most inexhaustible “urban mineral deposit” and the “misplaced resource”. This is both an in-depth and mythical […]