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Analysis of the causes of ring formation in the rotary kiln incinerator
Due to the stricter domestic environmental protection requirements and the higher and higher disposal costs, the waste sent to the hazardous waste disposal center is generally concentrated as much as possible, resulting in the higher calorific value of such waste, especially solid waste and distillation residue. In most cases, it is between 3,000~5,000Kcal/kg. In order […]
Discrimination of four typical sludge
Is the sludge hazardous waste? Many people have such doubts. Below we introduce the identification of four typical sludges for your reference. (1) Electroplating wastewater and electroplating sludge with excessive heavy metals Electroplating sludge is classified as hazardous waste, and the waste categories often belong to HW17, HW21, HW22, and HW23 at the same time. […]
Development of ceramsite produced by solid waste production
In recent years, China’s ceramsite raw material structure has undergone important changes, the proportion of solid waste ceramsite has increased significantly, and the market share of urban construction waste ceramsite and sludge ceramsite has increased significantly. At present, in addition to the more mature fly ash ceramsite and sludge ceramsite, various other solid wastes such […]
Status and development trend of sludge treatment and disposal
The current status of sludge treatment and disposal in my country is: (1) Reduction aspect The sludge produced by the sewage treatment facilities of each unit is basically dehydrated, but the sludge digestion technology and the remaining sludge reduction technology are rarely used; (2) Stabilization Due to its advantages in nature, scale, technology, economy, etc., […]
Brief Introduction to the Technology of Increasing Production of Preheater
Introduction to the technology of upgrading the production of the preheater of Luoyang Building Material and Architectural Design and Research Institute Co., Ltd.: 1. Transformation of kiln to increase speed According to the requirement of increasing the output, without changing the diameter and length of the rotary kiln, by increasing the speed of the rotary […]
Thinking on the utilization of sludge resources under the epidemic situation
The resource utilization of sludge in the epidemic has always been a bottleneck. There are two key influencing factors: one is that the content of heavy metals in the sludge is unstable and may exceed the standard; the other is that the content of antibiotics in the sludge is relatively high. In fact, this third […]
Little knowledge about inorganic sludge and organic sludge
1. Where does the inorganic sludge come from? Inorganic sludge exists in minerals, stone processing industries, municipal construction slurry, desulfurization and denitrification products of thermal power plants, etc. 2. How can we quickly distinguish the organic content of sludge? 1). The simplest and most direct method is to use the moisture content detector to measure […]
Questions and answers on basic knowledge of sludge drying
Q: What types of sludge are generated by industry? A: Sludge is a strange existence, divided by industry, including municipal, chemical, smelting, food processing, metal processing, pharmaceutical, printing and dying sludge, etc. It is not only to distinguish the types of sludge, but also to choose a reasonable treatment method from the analysis of the […]
Sludge turned into a new material for environmental protection — brick making
“In addition to incineration of power generation and fertilizer production, dirty and smelly sludge can also be transformed into an environmentally friendly building material through automated production.” The construction of a comprehensive sludge production line allows more sludge to be comprehensively utilized. New technologies open up new ways of ecological governance. “Slimy and smelly sludge […]