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Category: Technology

JOHNSON SCREEN

Application of Wedge Wire Screen in Brine Filtration

Brine is widely used in industry and food processing, so it is very important to select the filter device for brine. A wedge wire screen filter is the best solution. At present, GEA has developed a new type of saltwater filtration device called “GEA ScreenFilter”, and wedge wire screen products is an important filter element.The…
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Application of metal filter element in a nuclear power plant

Application of Wedge Wire Filter in Nuclear Power Plant Water treatment is divided into physical treatment and chemical treatment. The wedge wire filter is a new type of filter material used in the physical treatment process. Different from the traditional process, the wedge wire screen filter adopts the resistance welding process, which can realize automatic…
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Study on treatment technology of oily sludge in oil and gas field

Oil and gas well screen: Johnson well screen Wedge wire filter for oil and gas well: Wedge wire filter Abstract: the physical and chemical properties of oily sludge are complex, and its treatment is a big problem that puzzles the petroleum industry.Based on this, the treatment standards of oily sludge are introduced, several treatment technologies…
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Recirculating aquaculture system RAS

Sieve bend screen page: Click me.Parabolic Screen page: Click me. The recirculating aquaculture system (RAS) is a new type of aquaculture model, through a series of water treatment units, the wastewater produced in the aquaculture pond is treated and recycled again. The main principle of RAS is to integrate the advanced technologies in the fields…
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Flue gas desulfurization technology in petroleum refining and chemical enterprises

[ Filter element of FGD system: Wedge wire screen filter ] At present, people’s requirements in environmental protection and other aspects have been significantly improved, and the technical requirements for flue gas desulfurization in petroleum refining and chemical enterprises are more stringent. This paper gives some suggestions and opinions on the current flue gas desulfurization…
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Knowledge | Petroleum Pipe Introduction

[ Bluslot ™ provides wedge wire filter elements and Johnson well screen pipes design and customization services for oil pipe ] ♠ Explanation of special terms related to petroleum pipe  API:It is the abbreviation of the American Petroleum Institute.OCTG:It’s short for Oil Country Tubular Goods. Tubing:Pipes used for oil production, gas production, water injection and…
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Technology | Johnson Wedge Wire Screen Filter Element

Johnson Wedge Wire Screen Products Show Wedge wire screen types ♠ A brief introduction to Bluslot™ ◊ The company with the largest export volume of wedge wire screen filter products in North China (three consecutive years).◊ Three technical patents (processing technology and cleaning technology).◊ Five wedge wire screen filter production lines, two filter element parts…
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High salt wastewater treatment

The treatment of high salt wastewater is usually a “pre-treatment evaporation concentration crystallization desalination” process. According to the specific water quantity, water quality, effluent requirements, investment, operation cost and technical concept, different pretreatment process, technical equipment and evaporation concentration crystallization desalination process are selected under different conditions. 1. Traditional pretreatment process of coagulating air flotation…
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The cause of yellow of printing and dyeing wastewater after treatment

Printing and dyeing wastewater generally has the characteristics of high organic content, deep color and high alkalinity.If it is treated with ferrous sulfate and liquid alkali, there are two possibilities. Some inorganic metal ions in printing and dyeing wastewater that have not been precipitated. The color of organic matter; for the removal of inorganic metal…
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Detailed explanation of sludge settling ratio (SV)

In the process of sewage treatment, sludge sedimentation ratio (SV) is a very key index. It refers to the percentage volume of sludge after the mixture of aeration tank settles in the measuring cylinder for 30min. Sludge settling ratio (SV) test, not only need a data result, but also need to understand the whole process…
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Survival of coronavirus in water and wastewater

The emergence of severe acute respiratory syndrome and its potential environmental transmission suggest that more information is needed on the survival of coronaviruses in water and wastewater. The survival rates of cat infectious peritonitis virus and human coronavirus 229E were measured in filtered and unfiltered tap water (4 ℃ and 23 ℃) and waste water…
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Advanced treatment of coking wastewater by membrane combination technology

The coking wastewater is a kind of toxic organic wastewater with high concentration, which is difficult to be degraded. The COD, SS, Cl, chroma and hardness in the wastewater are still difficult to reach the standard after the biological coagulation treatment. The wastewater can only be reused after the advanced treatment Experiment of coking wastewater…
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Dewatering Technology and Equipment of Oily Sludge

Abstract: Oil sludge treatment is an important topic in the field of organic solvent contaminated soil remediation. Dewatering is the key technology in sludge treatment, which has a great influence on the operation volume and cost of removal. In this paper, the results of dehydration research are summarized from three aspects of agent, process and…
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Purification principle of coal washing plant wastewater using polyaluminum chloride PAC

Coal washing wastewater is the wastewater produced during the wet coal washing process in coal mines, coal washing wastewater contains a large amount of slime and sediment. It contains a certain amount of hydrocarbons, which need to be purified before being discharged. However, it is difficult for the coal washing wastewater to settle under static…
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How to deal with pollution by ion exchange resin?

Pollution blocking and treatment of suspended solids The suspended solids in the raw water will block the pores in the resin layer, thus increasing its flow resistance, increasing the operating pressure drop, and covering the surface of the resin particles, thus reducing the working exchange capacity of the resin.In order to prevent the pollution of…
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Removal of nickel from electroplating wastewater by ion exchange resin

As a common surface treatment technology, nickel plating is widely used in electronics, automobile, machinery and other industries. The wastewater containing Ni2 + is harmful to human health and ecological environment. The common treatment methods include chemical precipitation, vacuum evaporation recovery, electrodialysis, reverse osmosis and ion exchange resin adsorption. Although the cost of chemical precipitation…
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Engineering design of reverse osmosis used in coal chemical industry reuse water treatment

The main water source of the reuse water treatment unit in a coal chemical plant is the effluent from the sewage treatment unit, the sewage from the circulating water field and the sewage from the desalted water station, the combined treatment process of homogenization tank, high efficiency clarifier, multi-media filter, ultrafiltration and reverse osmosis is…
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How to prevent fire and explosion of HYDAC hydraulic oil filter element?

HYDAC filter element is testing the properties of dust and gas to determine whether the dust and gas have combustion and explosion properties. We should fully understand its working conditions and consider the following fire and explosion-proof measures: Filter materials resistant to mixing or not easy to burn shall be selected for high temperature gas…
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Technology | Several Common Hazardous Waste Treatment Methods

Hazardous waste is produced in the production process of the enterprise, so what are the methods for hazardous waste treatment? The following are the main ways. (1) After the waste liquid is heated by oil-water, hydrocarbon water mixture or emulsion, it will be settled by settling tank, and the upper oil layer will be separated…
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Filter Element Interface Types

Wedge wire filter interface types Wedge wire filter element is our main product. We have more than 20 years of production, research and development experience. At present, we are the largest exporter of cuneiform filter elements in northern China. Our Wedge Wire Filter TypesFilter & Pipe & Candle & Cylinder & Casing & Nozzle &…
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