Introduction of sludge treatment filter press process
-High-pressure filter press dewatering and solidification integrated‖ treatment system is a specially developed sludge and water detachment treatment system in this paper according to the characteristics of urban rivers, lakes, especially water conservancy projects with high organic matter content, high water content and serious heavy metal pollution. The core technology is researched and developed...
0 Preface
Sludge treatment equipment in the mud system is mainly used in bridge pile foundation project, trenchless crossing project, oil drilling project, underground tunnel shield project construction. Mud, also known as drilling fluid, consists of liquid and clay supplemented with additives, mainly plays the role of protecting the hole wall, carrying the slag out of the hole and cooling the drilling tools...
0Introduction
In recent years, the slurry treatment equipment is used in the construction of underground and real estate in large and medium-sized cities, and the slurry produced in the construction will cause pollution to the cityscape, basic agricultural land and underground water. Construction mud is mainly produced by the following types of projects: drilling pile foundation ...
Box type sludge filter press is widely used for wet work hole filling piles along the coast of China where the foundation soil is mainly clay, sand, silt and silty soil. However, a large amount of slurry will be generated during the construction process, which will seriously pollute the surrounding soil and environment and reduce the degree of civilised construction on site if it is not abated in time...
River silt filter presses are used for river dredging, but they all face the problem of how to deal with the silt. Silt usually contains a large amount of organic matter, pathogenic microorganisms, heavy metals, and nitrogen, phosphorus and other substances, because of its own poor permeability, solidification difficulties, so it is easy to pressure rheology, not easy to transport. Traditional dredging slurry...
Introduction
Mud-water separation filter press processing system is an indispensable supporting system in the mud-water shield construction, its high quality and efficient operation, can provide guarantee for the shield continuous digging construction, this paper combines the actual situation of Zhuhai Hengqin People's Liberation Tract Tunnel project to carry out the selection and calculation of the main technical parameters of the mud-water separation system, taking into account the...
1 Coal mine drainage water quality characteristics and sludge treatment programme
Coal mine water treatment sludge filter press . Coal mine drainage is divided into mine underground drainage, open pit drainage and evacuation of dry drainage, coal mine drainage water quality should be based on measured water quality data or similar mining areas have similar projects measured water quality data design.
(1) underground drainage water quality characteristics. Well...
Introduction
Sludge filter press, sewage after precipitation treatment will produce a large amount of sludge, even after thickening and digestion treatment, the water content is still as high as, the volume is very large, it is difficult to eliminate the disposal, it must be dewatered to improve the solids content of the mud cake, in order to reduce the footprint of the sludge pile. General large and medium-sized sewage treatment plants are...
INTRODUCTION
Sludge filter press dewatering is an important part of sludge treatment and disposal process. At present, the sludge dewatering methods used at home and abroad mainly include natural drying method, thermal drying method and mechanical dewatering method. Among them, the mechanical dewatering method is the most widely used, and the technology is generally adopted in large and medium-sized sewage treatment plants.1 Source of sludge...