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Technical Literature

SU-TON opens technical literature focusing on literature with the wastewater industry. Collected the latest submissions of the wastewater industry works with the latest selection of free, almost all of the environmental protection people can download free articles in SU-TON. Updated daily.

  • Optimisation of treatment efficiency of filter presses in coal preparation plants

    1 Pressurised filter problems 1. 1 pressurised filter structure and principle disc type pressurised filter mainly consists of filter, agitator, pressurised filter chamber, distribution valve, backblowing system, sealing discharge system, scraper conveyor, high and low pressure fan, feed pump, steam separator, frequency conversion device and other structural components [7]....

  • Engineering waste slurry filter press solid-liquid separation and disposal

    1 Overview With the high-speed development of urbanisation construction, the output of engineering waste slurry is increasing, which not only seriously pollutes the environment and wastes resources, but also exceeds the city's ability to dispose of engineering waste slurry and hinders the development of urban construction. According to the engineering waste slurry composition test weight of 70% ~ 80% is water, the rest is solid phase. Waste slurry in...

  • Filter Press Automatic Control Modification

    1 Filter press use problems due to the initial design of the feed pump and coal slurry scraper conveyor only participate in the centralised control system for coal processing, not included in the filter press system, in the process of using many functions are missing and the related chain is not perfect, there are the following problems: (1) Each filter press is a separate system, independent of each other, in the feed...

  • Retrofit of plate and frame filter presses

    The main function of plate and frame filter press is to carry out rapid solid-liquid separation of suspended liquids with concentration, usually multi-layer stainless steel plate and frame structure, used for its liquid concentration of 50% below, and the liquid viscosity is relatively low, containing less slag. Plate and frame filter press can sterilise, purify and fine filter the liquid...

  • Sludge Dewatering Treatment Diaphragm Type Plate and Frame Filter Presses

    Paper industry mostly use incineration form of sludge treatment, sludge incineration combustion calorific value and its moisture content of the correlation is very large, absolutely dry solid sludge has a high combustion calorific value, the higher the sludge moisture content of the combustion calorific value of the lower. Therefore, deep dewatering of sludge and reduction of sludge water content is an important part of sludge treatment...

  • How to commission a filter press-Sludge filter presses

    In recent years, urban sewage treatment plants in large-scale construction, in the process of sewage treatment of its sludge has also become a new source of environmental pollution, such as the treatment of untimely will cause secondary pollution, these sludge has a high moisture content, odour and other problems, the depth of these sludge dewatering has become one of the key processing objects. The study found that...

  • Correct operation of the filter press will improve efficiency

    Domestic coal enterprises coal plant basically use plate and frame filter press for coal, mud, water separation and filtration, in this link, coal, mud, water treatment quality and efficiency is to ensure that the quality of coal and carbon output quality and production of the key, how to ensure that the plate and frame filter press equipment intact and normal operation, is to improve the coal, mud, water treatment...

  • Plate and frame filter press in the common failure analysis and solutions

    First, the introduction of plate and frame filter press efficient and stable operation is to reduce wet discharge, improve the red mud stockpile storage capacity, reduce the production of alkali consumption of the guarantee, the filter press is used for red mud slurry dewatering, dewatering after the formation of red mud cake has a higher solids content is not only convenient for the red mud stockpile, but also be able to recycle red mud filtrate in the attached alkali. Filter press technology...

  • Comparison and discussion of salt sludge filter press equipment

    In the process of producing pure alkali by ammonia alkali method, it is necessary to dissolve the solid salt, remove the impurities in the salt by adding grey emulsion, and make fine brine, and then send it to heavy alkali plant to make alkali after clarification. After clarification, it is sent to the heavy alkali plant for alkali production. Salt sludge and impurities generated during the clarification process are sent to the denitrification filter for dewatering to reduce the water in the salt sludge ...

  • River sludge filter press solutions

    Since the comprehensive dredging of rivers, lakes, reservoirs and ponds, the problem of how to properly dispose of silt has become particularly prominent. The traditional sludge treatment occupies a large area, the treatment speed is slow, the transport pressure is large, if the treatment is improper, it is easy to cause secondary pollution. In this paper, we introduce a way to follow the harmlessness, reduce ...

  • Filter Press Cloth Selection

    Filter press filter cloth, sludge produced in the sewage treatment process, its dewatering and reduction treatment is the premise and guarantee of the economy of subsequent treatment and disposal. In order to reduce the water content, to achieve the sludge disposal on the water content requirements, at present, more urban sewage treatment plants choose plate and frame filter press to produce the residual sludge...

  • Filter presses commonly used in slurry treatment plants

    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...

  • Slurry treatment equipment (mobile plate and frame filter press)

    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 ...

  • How to reduce the water content of chamber filter press cake

    1 Overview A power plant how to reduce the water content of the chamber filter press cake, a 2 × 630 MW unit project using limestone - gypsum wet full flue gas desulphurisation, the use of a furnace and a tower desulphurisation device, the design of desulphurisation efficiency of not less than 95 %. desulphurisation wastewater treatment system using XAZ140/1250-U of the chamber filter press, the specific technical ...

  • Chamber filter press for solidification of pile foundation waste sludge

    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...

  • Mining plate and frame filter press design and its development trend

    1 Overview of mining plate and frame filter presses 1.1 Composition of plate and frame filter press Usually, the structure of plate and frame filter press mainly includes: passive sprocket, thrust plate assembly, filter plate compression plate, support, pulling plate apparatus, compression plate assembly, cylinder seat assembly, active sprocket, hydraulic station, electronic control box, etc. (Figure 1). 1.2 Plate...

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