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FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

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Silica Scaling in Boilers

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  • Minimum order quantity : 1 set :Silica Scaling in Boilers
  • Supply Capacity : 10 units/month :Silica Scaling in Boilers
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

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Gas(oil) Fired Integrated Hot Water Boiler

Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

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H6 Gas Fired Hot Water Boiler

Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

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T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

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V6 Gas Fired Hot Water Boiler

Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

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Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

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  • Silica Scale Removal - Chemtex Speciality Limited

    Silica Scale Removal is used for effective removal of scaling in boiler tubes by converting the hard silica scales into water soluble mixes that ease the descaling process. Moreover, it acts as an intermediate in the reaction between the acid in the cleaning mixes and the metallic scales such as rust, mill scales, etc.Get Price

  • Scaling vs. Corrosion: Why It Matters for Your Boiler Feed

    Aug 28, 2016 · When using boilers for an industrial plant and process, one of the most important things to implement is the appropriate treatment of the boiler feed water before it has a chance to scale and corrode equipment.Before beginning any process with a boiler, understanding the makeup and return water chemistry/characteristics, the manufacturer's requirements for the …Get Price

  • Silica Descaling Chemical - Chemtex Speciality Limited

    Silica Descalant is a blend of acids with inhibitors, specially formulated for removal of mineral scales, rust and silica scale deposits in water systems subject to deposit accumulation. Main objective tasks are descaling of condenser, evaporator, heat exchangers, evaporative condensers, boilers, geysers, solar heaters, blow molding machines Get Price

  • How To Clean Scale From Your Boiler - Chardon Labs

    Continue turning on and off the boiler to maintain the temperature in the range of 100-130F. Check pH every 15 minutes; (should be 1 or 2). If higher, add Scalzo to depress the pH back to 1-2 pH. Continue step 5 until pH remains at 1 or 2 for 120 minutes or more, depending on scale build-up. The system is then as clean as will be with the Get Price

  • (PDF) Control of Deposition Risks in High-Silica Boiler

    Despite advances in conventional deposit control technologies, high-silica boiler water (>150 mg/L as SiO2) continues to have a major impact on the operation and efficiency of boilers.Get Price

  • Prediction of silica carry-over and solubility in steam of

    Feb 01, 2010 · Silica content of the boiler water is critical for steam turbines and scaling of boiler heat transfer surfaces. Silica (SiO 2) can volatilize with the steam in sufficient concentrations to deposit in steam turbines leading to scale formation on boiler surfaces.In this work, a simple correlation is presented to predict silica (SiO 2) solubility in steam of boilers as a function of …Get Price

  • Water Handbook -Boiler Deposits: Occurrence And Control | SUEZ

    Common feedwater contaminants that can form boiler deposits include calcium, magnesium, iron, copper, aluminum, silica, and (to a lesser extent) silt and oil. Most deposits can be classified as one of two types (Figure 12-1): scale that crystallized directly onto tube surfacesGet Price

  • Boiler Feedwater Treatment - WaterCore

    The main reason why carbonate and silica scale take place is that solubility in water of these salts decreases as the temperature increases. As feedwater temperature rises to boiler water temperature, the concentration of the scale-forming salts exceeds solubility and precipitate, forming scales.Get Price

  • Why is There Lime Scale in My Boiler | JustBoilers.com

    Boiler Share: 0 0. website builder Lime scale in boilers and pipes is more than one of life's little irritations we have to live with. It can shorten the life of our boilers, and reduce the efficiency of our heating systems meaning higher energy bills. The UK building regulations (Part L) require scale-reducing devices to protect water heaters – and the hot water circuit of combination Get Price

  • Quick Answer: How Do You Treat Silica In Water 2

    Fouling by silica scaling remains one of the key problems to be solved In geothermal energy utilization. What causes silica in boiler water? As the temperature and pressure are increased, more silica becomes present in the steam. In high pressure boilers, therefore, silica is appreciably concentrated in the steam and this is when 'carry-over Get Price

  • How scales are formed in boilers?

    Boiler scale is caused by impurities being precipitated out of the water directly on heat transfer surfaces or by suspended matter in water settling out on the metal and becoming hard and adherent. Scale is formed by salts that have limited solubility but are …Get Price

  • Silica Scale Inhibition for Steam Generation in OTSG Boiler

    Mar 16, 2004 · Silica removal is very expensive in terms of investment and operating costs. The risk of silica salt deposition in the boiler tubes becomes significant when the silica content in the feed water exceeds 100 mg/l (OTSG boiler supplier specifications). Deposition of silica increases local thermal resistance and can lead to tube failure.Get Price

  • How Do You Remove Silica from Industrial Water and Wastewater?

    Feb 14, 2020 · Scale deposits can reduce the efficiency of heating and cooling and can also interfere with the ability to operate systems within a defined pressure range. As such, silica scaling can compromise the efficiency, performance, and safety of equipment such as boilers, turbines, piping, and filtration units.Get Price

  • Scale Formation In The Boiler - Bright Hub Engineering

    Dec 31, 2009 · In low-pressure boiler Si03 combines with ca and mg to form calcium and magnesium silicates, which can precipitate and form hard scale. In high-pressure boiler silica volatilizes with steam and deposits in turbine blades causing severe loss in turbine efficiency. The silica scales are glassy, extremely hard and difficult to remove. 3.Get Price

  • Silica Scaling in Water Treatment: Mechanism and Mitigation

    Dec 31, 2021 · Silica Scaling in Boilers Silica can evaporate into steam at operating pressures of as low as 28 bars. The solubility of silica increases as steam temperature rises, making it more soluble. The factors that generate vaporous silica carryover have …Get Price

  • Silica in boiler water | Emerald Insight

    Steam contamination (solid particles in the superheated steam) comes from the boiler water largely in the carry‐over of water droplets. The need for extreme purity of steam for use in high pressure turbines has prompted the development of highly satisfactory devices for separating steam and water in a boiler drum. Consequently, steam contamination has been steadily …Get Price

  • Clean Firetube Boiler Waterside Heat Transfer Surfaces

    Adopting proper boiler blowdown practices Energy Loss Due to Scale Deposits* Scale Thickness, inches Fuel Loss, % of Total Use Scale Type "Normal" High Iron Iron Plus Silica 1/64 1.0 1.6 3.5 1/32 2.0 3.1 7.0 3/64 3.0 4.7 – 1/16 3.9 6.2 – Note 1: "Normal" scale is usually encountered in low-pressure applications. The high iron and Get Price

  • Silica Scaling in Boilers - lenntech.com.pt

    Silica Scaling in Boilers. Silica, in amounts ranging from less than 1 to over 100 ppm, is found in all natural water supplies. In rain hail and snow, silica content range from 1 to 2.8 ppm. In the analyses of various surface and ground waters, silica content range from 1 to 107 ppm.Get Price

  • Scaling in boilers - Lenntech

    Silica is the only boiler water salt which vaporizes at pressures below 2400 psig. It can vaporize at pressures as low as 400 psig. This has caused deposition problems in numerous turbines. The solubility of silica in steam increases with increased temperature: silica becomes more soluble as steam is superheated.Get Price

  • Thermodynamics and kinetics of silica scaling

    CaCO30.5-1 kcal/m2.h per degree C. SiO20.2-0.5 kcal/m2.h per degree C. Scaling is mainly due to the presence of calcium and magnesium salts (carbonates or sulphates), which are less soluble hot than cold, or to the presence of too high concentration of silica in relation to the alkalinity of the water in the boiler.Get Price

  • Scaling in boilers - InspectAPedia

    If the silica enters the boiler water, the usual corrective action is to increase boiler blowdown, to decrease it to acceptable levels and then to correct the condition that caused the silica contamination. For further information check our web page about silica scaling in boilers.Get Price

  • Prediction of silica carry-over and solubility in steam of

    Silica content of the boiler water is critical for steam turbines and scaling of boiler heat transfer surfaces. Silica (SiO2) can volatilize with the steam in sufficient concentrations to deposit Get Price

  • Boiler Feedwater Treatment - WaterCore

    The main reason why carbonate and silica scale take place is that solubility in water of these salts decreases as the temperature increases. As feedwater temperature rises to boiler water temperature, the concentration of the scale-forming salts exceeds solubility and precipitate, forming scales.Get Price

  • Why the silica concentration in a boiler drum increase

    Answer (1 of 2): Silica is harmful as it forms scales in Boiler tubes..THis will make tube failure unless controlled.Some boilers may be provided with such a safety device to trip the broiler..I have operated large boilers in 1970 to 1995 then there …Get Price

  • Accurate Online Silica Analyzers Ensure Boiler Performance

    Sep 01, 2009 · Controlling silica helps avoid scaling and other detrimental effects in boilers, drums, heat exchangers, and condensers, where impaired heat transfer efficiency could ultimately impair production Get Price

  • Boiler Water Quality

    Water Hardness is the primary source of scale in boiler equipment. Always use a softener to ensure good Boiler Water Quality. Chemicals are designed to polish away small amounts of hardness that by-passes the softener. Silica in boiler feedwater can …Get Price

  • Scaling in Boilers - Blog | Jateentrading Co.

    Silica Scaling in Boilers. Silica, in amounts ranging from less than 1 to over 100 ppm, is found in all natural water supplies. In rain hail and snow, silica content range from 1 to 2.8 ppm. In the analyses of various surface and ground waters, …Get Price

  • Silica Scaling in Boilers - lenntech.ae

    Silica Scaling in Boilers. Silica, in amounts ranging from less than 1 to over 100 ppm, is found in all natural water supplies. In rain hail and snow, silica content range from 1 to 2.8 ppm. In the analyses of various surface and ground waters, silica content range from 1 to 107 ppm.Get Price

  • Silica Scaling in Boilers - Lenntech

    Silica Scaling in Boilers. Silica, in amounts ranging from less than 1 to over 100 ppm, is found in all natural water supplies. In rain hail and snow, silica content range from 1 to 2.8 ppm. In the analyses of various surface and ground waters, silica content range from 1 to 107 ppm. This refers to soluble silica content and not to the silica Get Price

  • Scaling in boilers - Lenntech

    If the silica enters the boiler water, the usual corrective action is to increase boiler blowdown, to decrease it to acceptable levels and then to correct the condition that caused the silica contamination. For further information check our web page about silica scaling in boilers.Get Price

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