Category: Paper and Pulp Mill

In the process of water purification, when water treatment is carried out with resin. Such as soft water bed, mixed bed, shade bed, and sun bed treatment. The resin particles in the soft water bed, mixed bed, in bed, and cation bed will be slightly broken due to insufficient strength or large water pressure disturbance…
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The softening process of water quality in the continuous casting water treatment system is raw water pump-pipeline-softener-pipeline-soft water tank. The softener is an important piece of equipment for water treatment. Resin is the only medium for softening water in the softener. Once the resin is lost, it will not only cause waste of raw materials…
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Condensed water in thermal power plants is formed by the condensation of steam after finishing work in the steam turbine. Condensate is usually contaminated to some extent.  Out of consideration for the safety and economy of the unit. Drum furnaces and once-through furnace units with subcritical pressure and above parameters in thermal power plants are…
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Each process test link of the nuclear fuel cycle will produce low-level radioactive wastewater (referred to as “low-level wastewater”), such as uranium-containing fluorine-containing low-level wastewater from uranium conversion and purification, boric acid-containing low-level wastewater from nuclear power plants, and various types of nuclear fuel reprocessing. Complex low-level wastewater, high-salt low-level wastewater generated from spent fuel…
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Introduction of MBR sewage advanced treatment process 1.1 Project introduction The water quality of the MBR system of the advanced sewage treatment project varies greatly, including domestic sewage, biochemical effluent of low-concentration oily sewage, and ultrafiltration backwashing drainage in the desalination and reuse section. The biodegradability of the three water sources is poor. The water…
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At present, sludge drying is called sludge dehydration, which refers to the process of removing most of the water content from sludge through percolation or evaporation. The water content of the sludge is further reduced by physical methods, which is convenient for the transportation, accumulation, utilization, or further treatment of the sludge. However, the existing…
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The diatomite filter comprises a filter tank, which is characterized in that the filter plate of the diatomite filter of the filter tank is provided with an inlet and an outlet, the inlet and the outlet are provided with a liquid guide sleeve, the upper surface of each filter plate is provided with a negative…
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Fault 1: water leakage of self-cleaning filter Water leakage of self-cleaning filter usually occurs in the transmission shaft of the filter (water leakage of cylinder and flange is not within this range). There are basically two reasons for this problem The material or specification of the seal ring of the transmission shaft does not meet…
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Bluslot customized wedge wire filter screen specially used in Granulation unit. The receiving and granulating unit is a clever combination of high-speed mixing granulator and single screw extruder. Film, fiber and other materials are directly added to the extruder after high-speed shredding. According to different materials, short screw or exhaust extruder can be selected for pre pellet…
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Bluslot customized wedge wire filter screen specially used in Paper industry wastewater. Waste water discharged from the production process of paper industry. Paper industry wastewater can be divided into sulfate pulp wastewater and sulfite pulp wastewater. Among them, the wastewater pollution from pulp process is the most serious. Black brown wastewater is discharged during pulp washing, which…
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Bluslot customized wedge wire filter screen specially used in Centrifugal separation equipment. Centrifugal separator is a machine that uses centrifugal force to separate components in liquid and solid particles or liquid and liquid mixture, also known as tubular centrifuge. The centrifugal separator is mainly used to separate the solid particles in the suspension from the liquid; Or…
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Bluslot customized wedge wire filter screen specially used in Centrifugal dehydrator. A kind of washing equipment of centrifugal dehydrator is a kind of equipment that uses centrifugal methods such as inner cylinder rotation to throw out the water contained in the object through the centrifugal force generated by high-speed rotation. Centrifugal dehydrators can be divided into: lower…
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Bluslot customized wedge wire filter screen specially used in Tripod centrifuge. Centrifuge is a kind of separation machinery. Its function is to separate the mixed liquid (liquid and liquid) of solid and liquid, so as to obtain solid and liquid (or liquid and liquid) respectively. What is its working principle? As we all know, a mixture with…
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Bluslot customized wedge wire screen filter element specially used in Seawater desalination. Seawater desalination is to use seawater desalination to produce fresh water. It is an open source incremental technology to realize the utilization of water resources. It can increase the total amount of fresh water, and is not affected by time, space and climate. It can…
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Bluslot customized wedge wire screen filter element specially used in PClosed circulating water aquaculture.

Bluslot customized wedge wire screen filter element specially used in circulating cooling water system. Circulating cooling water system is a water supply system in which cooling water is changed into hot water, cooled and recycled, including open type and closed type, which is composed of cooling equipment, water pump and pipeline.

Bluslot customized wedge wire screen filter element specially used in circulating water system. The function of circulating water system is to send cooling water (seawater) to the high and low pressure condenser to cool the exhaust steam of the low pressure cylinder of the steam turbine, so as to maintain the vacuum of the high and low…
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Bluslot customized wedge wire screen filter element specially used in Boiler water collector. The main supporting equipment of the boiler is used to distribute the steam generated during boiler operation to each pipeline and connect the water distribution and collection devices for water supply and return of each heating pipe. The water collector is a water distribution…
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With the increasing demand for petroleum energy, crude oil exploitation has gradually entered the middle and late stage. Many oil wells reach the late stage of high water cut, and their comprehensive water cut is almost above 80%. The traditional primary and secondary oil recovery can not meet the original productivity. Therefore, polymer tertiary oil…
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Food waste dewatering screen: wedge wire screw press screen Food waste wastewater is a kind of organic wastewater with high concentration, and its water quality varies greatly with different types, sizes and seasons of waste. According to the water quality analysis of similar projects, generally, the influent water quality is Bod / COD = 0.3…
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Taking the wastewater treatment project of a papermaking enterprise as an example, the paper introduces the effect of fiber filtration flocculation SBR mechanical filtration process in treating papermaking wastewater. The designed water volume is 3000m3 / d. According to the actual situation and future development plan of the company, a paper enterprise has formulated a…
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Wedge wire screen is a kind of metal filter material. Different from the traditional metal wire mesh filter material, it has a unique fully welded structure and continuous slotted gap. Its advantages are: Fully welded structure, more robust and durable. Continuous slotting structure, large opening rate and large flow area. Pressure drop. V-shaped structure, it…
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What are the filters and filter elements used in the paper industry?Since the Western Han Dynasty, papermaking technology has developed for more than 2000 years in China, and the pulp and paper industry has become one of the main energy-consuming industries in China.In the process of papermaking, from material preparation machinery to pulping machinery, and…
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As the production water of thermal power plant, reclaimed water increases the risk of reverse osmosis membrane fouling or being polluted. The abnormal conditions are mainly manifested in the changes of feed water pressure, differential pressure, water flow and desalination rate. It should be judged by combining the pretreatment mode and raw water quality to…
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The causes of the leakage in the transition zone of the thickened drill pipe are investigated and studied. The drill pipe leakage is due to the drill pipe screen with a straight cylinder structure placed in the drill pipe, which is also the main cause of drill pipe erosion. In order to solve the erosion…
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With the rapid development of the livestock and poultry breeding industry, a large number of animal manure and related wastes come. As a practical engineering system, biogas engineering is an important way to deal with livestock manure, improve the environment, and use biomass energy.However, there are still some problems in the biogas project with livestock…
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Step 1: feed the pulp sewage into the primary filter, and add flocculant to the first filter to reduce the concentration of the pulp sewage. Step 2: the sewage in step 1 is introduced into the sewage filtering equipment of the wedge wire filter for filtration, so as to realize their filtration and separation of…
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In the cold and hot water system, the scaling phenomenon of the heat exchanger, transmission pipeline, pump valve, and other equipment is very common. Scaling will shorten the service life of the equipment, accelerate metal corrosion, increase maintenance costs, and threaten the safe operation of the equipment. The resulting economic losses are huge. The annual…
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The differential pressure type automatic filter water enters from the inlet, first filters out the impurities of larger particles through the coarse filter screen (wedge wire screen), and then arrive at the fine filter screen (wedge wire filter). In the filtration process, the fine filter gradually accumulates the dirt and impurities in the accumulated water…
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The liquid to be filtered by the wedge wire filter element is pressed in from the inlet of the filter, filtered into the clear liquid through the filter layer from the outside to the inside through the filter element, and then discharged through the outlet. Impurities are trapped in the deep layer and surface of…
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DSM Screen in the Coal Industry DSM screen is a kind of classification equipment used in the coal industry for dewatering, desliming, and desliming of fine-grained materials. It is mainly used in coal preparation plants and is generally used with dense medium cyclone. So, the sieve bend screen in the work of dehydration effect is…
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WORKING PRINCIPLE AND INSTRUCTIONS FOR USE OF SIEVE BEND VIBRATING SCREEN: The sieve bend screen is overturned by the feeding box, the screen box, and the screen machine base shaft to realize the position adjustment of the feeding end and the discharging end, so as to achieve uniform wear, prolong the service life, and operate…
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Membrane bioreactors (MBRs) play an important role in municipal wastewater treatment, as time goes by, the accumulation of hair will reduce the efficiency of the whole system. Therefore, membrane bioreactor has to completely replace the membrane, which undoubtedly increases the cost of the product. There are many ways to solve this problem, the most common…
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Bluslot has just designed a new environmental and energy-saving wedge wire drum screen for a turkey factory in the United States. Type: Wedge wire screen Material: Stainless steel 304. First screen: 0.04 inches. Second screen: 0.02 inches. Processing Capacity 28000 turkeys are processed every day. Average 42-47 pounds per animal. It runs 5 days a…
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Large pig farms around the world have a very headache: the disposal of pig manure. If you have the experience of living near a farm, your memories are painful, just like a colleague of mine who lives in a small rural area in China. Eighty percent of the villagers in their small village live on…
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Bluslot filter provides customized processing services for filter elements of the boiler water softening system.The main products include: wedge wire filter (filtration). Johnson screens distributors (water distribution). resin trap screen (resin capture). Influence of Scale on Boiler Scale affects heat transfer and leads to poor heat transfer.The scale precipitates and blocks the pipeline in the…
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Johnson Type Sand Filter Screen Petroleum, one of the main objects of geological exploration, is a kind of viscous, dark brown liquid, known as “the blood of industry”, which shows that the use occupies an important position in the industry. As a kind of energy, oil is mostly hidden in the formation, so it is…
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The perfect roundness of the filter element and screen basket has always been the goal of bluslot, and our equipment has given a perfect answer. Many manufacturers will avoid this problem because the perfect roundness tests a manufacturer’s technological level and increases the production cost. Roundness is a very important index of wedge wire screen filter element,…
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We customize various sizes of wedge wire inlet distributor branch and nozzle products and services for salt drier. Working principle of the salt dryer: materials enter the machine from the feed inlet. Under the action of the vibration force, the materials are thrown along the horizontal fluidized bed and move forward continuously. The hot air…
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Hydrogenation Backwash Filter Element The hydrogenation raw materials need to be filtered. If the mechanical impurities are not removed, they will be deposited on the top of the reactor, so that the pressure difference of the reactor is too large and forced to shut down, thus shortening the operation cycle of the unit. Johnson wedge…
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Fur dyeing wastewater has the characteristics of high chroma, high Cr3 + content, acidity, and complex components, so it is difficult to treat. In domestic and foreign researches on fur dyeing wastewater treatment methods, dyeing wastewater is mostly used as a kind of sewage, and the purpose of research is to make dyeing wastewater meet…
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The pretreatment of waste paper and papermaking wastewater is the premise to ensure that the system meets the standard, main purpose of pretreatment: Recover the fiber in wastewater and reduce the load of biochemical system. In general, white water is recycled in the workshop, the pretreatment described in this paper is mainly the off-site treatment…
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Our Johnson coater filter screen, cylinders and element can be used for screening slurries, sizing agents and color pigments. Johnson Coater Filter Screen For Screening Slurries In the entire paper manufacturing process, especially in the production of coated paper and white paper, the role of paper coatings is essential. It can change the opacity, air…
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Slot Type Fiber Pressure Screen Basket For Pulp And Paper Product Line – Paper Mill – Improve the quality of paperJohnson screen is widely used in the pulp and paper industry. We provide customized service of pressure screen for global customers. Material: Stainless steel 304, 316, 316L.Max Diameter (basket): 1800mm.Min slot size: 0.02mmType: Slot Screen…
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Wedge wire screen basket & strainer for dewatering, separation and collection. Wedge wire screen deep-processing products, V-shaped wire structure, are widely used in centrifuges, reactors and various industrial filters. Steel grade: Stainless steel 304, 316, 316L. 904. UNS S32750. Profile wire (width): 0.75×1.5, 1×2, 1.5×2, 2×3, 2×4, 3×5 or as your need. Slot size: 0.02…
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We are a professional Johnson v wire screen filter manufacturer in China. Our company can provide customized and design services for pulp mills all over the world. Pulp screening is an essential process in pulping. Johnson screen is one of the important components to realize pulp screening.Johnson type pulp screen structure: Vee wire + Support rod. V-shaped…
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Papermaking wastewater is one of the main industrial pollution sources. Straw and wood pulp are often used as raw materials in papermaking industry, Papermaking wastewater is a kind of industrial wastewater which is difficult to be treated because of its complex composition and poor biodegradability. The production of pulping and papermaking generally consists of pulping,…
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