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Silica Scale Inhibition for Steam Generation in OTSG Boiler

  • Offshore price : $20000-$100000 Get a quote on the right form
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  • Supply Capacity : 10 units/month :Silica Scale Inhibition for Steam Generation in OTSG Boiler
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
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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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Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

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Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

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  • 2022 Technical Conference Program - globalenergyshow.com

    The technologies were first validated based on preliminary acceptable correlation between manual lab and online analyzer. HACH hardness analyzer was also installed at boiler feed water location to maintain acceptable water quality for once through steam generator (OTSG).Get Price

  • NovaGuard 1000 & 2000 Series | Oilfield Production

    Corrosion & Scale Inhibitors NovaGuard 1055 is an antiscalant for once-through steam generators (OTSGs). It helps improve the soluble silica transport within the OTSG boiler system that prevents the deposition of amorphous silica or in the form of a wide variety of silicate minerals that also contain calcium, magnesium or iron.Get Price

  • Water Handbook - Boiler Blowdown Control | SUEZ

    Equipment employed. Blowdown control. Boiler blowdown is the removal of water from a boiler. Its purpose is to control boiler water parameters within prescribed limits to minimize scale, corrosion, carryover, and other specific problems. Blowdown is also used to remove suspended solids present in the system.Get Price

  • (PDF) Control of silicate scales in steam flood operation

    Mar 16, 2004 · The silica removal process is also an environmental issue owing to the production of sludge. This paper demonstrates that silica scale inhibitors can be used in steam generation in an OTSG boiler. The original laboratory test program and results obtained are presented.Get Price

  • CHAPTER 39 BOILER WATER TREATMENT

    duced hydrogen concentrations in steam. water salts, such as silica and sodium compounds; or it may be caused by foam-ing. Carryover is most often a mechanical problem, and the chemicals found in the steam are those originally present in the boiler water, plus the volatile com-ponents that distill from the boiler even in the absence of spray.Get Price

  • (PDF) Heat-Exchanger Deposition in an Inverted Steam

    The concentration of the remaining solids in scale inhibition for steam generation in OTSG boiler. SPE 86934, paper the acid-treated water was measured to be 0.461 wt %. The presented at the SPE International Thermal Operations and Heavy Oil Symposium and Western Regional Meeting; Bakersfield, CA, March 16- sum of each (0.570 wt %) compared Get Price

  • US Patent for Method for inhibiting the formation - Justia

    Dec 22, 2010 · Pedenaud et al.,"Silica Scale Inhibition for Steam Generation in OTSG Boiler," Society of Petroleum Engineers, Mar. 2004, SPE 86934. Patent History Patent number : 9221700Get Price

  • Method for production of high pressure steam from produced

    Nov 24, 2004 · Present day state of the art steam generation, either OTSG or watertube boiler, is limited on how much water can be recovered by scale causing ions, such as hardness and silica, which are inherent in these waste streams, total organic carbon (TOC), and maximum total dissolved solids (TDS) allowable in the feed stream.Get Price

  • Boiler Treatment Chemicals - Boiler Water Treatment

    Chemtex's Silica Scale Removal is a unique descaling compound based on strong alkali, wetting agent and silica scale penetrant for removing of silica deposits and organic foulants from the water side of boiler, heat exchangers etc. Key Features and Benefits: Effectively removes silicious deposit and organic, oil and grease deposits; Softens the resin and carbonized matter in sugar …Get Price

  • DReeM Polymer™ - Innovations - Silica and Hardness Removal

    DReeM Polymer is Kurita's awarded Dispersion Removal effect Management Polymer for steam generators and boiler systems. The multi-functional properties of DReeM Polymer keep heated surfaces in boiler systems free of scale and remove existing hardness and silica deposits from system surfaces during normal boiler operation.Get Price

  • Challenges in Water Treatment for Generation of Steam

    •Designed to operate @ 75% steam quality Steam Generators Heated Boiler Feed water High Pressure Steam Steam Separation steam quality High Pressure Steam OTSG – 80% steam quality HRSG – 75% steam quality Steam Condensate (concentration of elemental composition) OTSG – cycled 5X HRSG – cycled 4X General Design •Carbon steel Get Price

  • Boiler – Fundamentals and Best Practices

    Steam Production From steam tables we can see that the total heat of steam does not vary a great deal as the boiler pressure increase The boiling point (b.p.) increases as the pressure increases Thus the sensible heat increases as the pressure increases, and the latent heat decreases Boiler pressures are expressed in psia, psig, bar, kg/cm2 Get Price

  • Scale and Deposit Formation in SAGD Facilities

    Drum Parameter OTSG Boiler Hardness (mg/l as CaCO3) 0.2 0.2 * Conductivity (S/cm) 2,000 10,000 150 Silica (mg/l as SiO2) 20 50 2 Non-volatile TOC (mg/l C) 200 600 0.2 INTRODUCTION Steam assisted gravity drainage (SAGD) facilities inject steam into geologic formations to facilitate the production of heavy hydrocarbon.Get Price

  • Challenges in Water Treatment for Generation of Steam

    •Designed to operate @ 75% steam quality Steam Generators Heated Boiler Feed water High Pressure Steam Steam Separation steam quality High Pressure Steam OTSG – 80% steam quality HRSG – 75% steam quality Steam Condensate (concentration of elemental composition) OTSG – cycled 5X HRSG – cycled 4X General Design •Carbon steel Get Price

  • Recommended ABMA & ASME Boiler Water Limits Boiler …

    typical being compounds of calcium, magnesium, silica and iron. In an system where impurities are allowed to reach excessive concentrations, steam quality can be impaired. In addition, hardness salts can precipitate from the boiler water to form sludge and eventually scale, which deposits on the internal surfaces of the boiler.Get Price

  • Water Handbook - Chemical Cleaning Of Steam Generator

    In addition, mill scale and weld scale can become deposit accumulation sites and may cause damage if they break loose. Removal of metallic scale and corrosion products generally requires chemical cleaning. Frequently, sand and dirt (which add scale-forming contaminants such as silica and calcium to the boiler water) can be removed by flushing.Get Price

  • Introduction to boiler scales - Forbes Marshall

    Silica is found commonly in most of the water supplies and is quite difficult to be removed. Silica can form a thin, glassy scale layer called amorphous silica which can be very hard to be removed. 2. Sludge-Along with the dissolved solids, there are some suspended solids in …Get Price

  • Sichuan Zhugen Boiler Co. Ltd., Yangliu Town, Wutong Brid

    Promote my business online with Booster; Check Buying requests; Our B2B Solutions. English. Available languages; English;Get Price

  • Removal of Silica-Based Scales in Steam-Assisted Gravity

    Feb 20, 2006 · Test results were corroborated on an industrial OTSG boiler in operating conditions. Results show that use of silica-scale inhibitors instead of silica removal could generate substantial savings in cost. The use of silica scale for steam generation in heavy oil exploitation has been incorporated into French patent 2,858,314-A1 (Gauthier et al. 2003).Get Price

  • The Challenges of Industrial Boiler Water Treatment

    Dec 15, 2020 · The process removes the bulk of impurities (often 99% or more), including silica, which can allow for higher boiler water cycles of concentration, thus saving costs via reduced makeup and blowdown. Figure 1: Iron oxide deposits in boiler tubes leading to tube bursts with the typical fishmouth openings.Get Price

  • Silica Scaling in Boilers - Lenntech

    The silica removal process is also an environmental issue owing to the production of sludge. This paper demonstrates that silica scale inhibitors can be used in …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

  • ZHUGEN BOILER - More

    SICHUAN ZHUGEN BOILER CORPORATION LIMITED was founded in 1958, and its national ownership was transformed into a private system in 1993. The company is a major professional manufacturer for Grade A boilers, and class I, II and III pressure vessels in China, owning 60 years' manufacturing experience.Get Price

  • how does scale and sludge produced in the steam boiler

    Apr 22, 2020 · The scale formation is one of the major problem in Boiler which effect the heat CO2 and corresponding carbonates, which then deposits as a soft scales or sludge. salts are all very soluble in water and do not normally produce scale but favour In high-pressure boiler silica volatilizes with steam and deposits in turbine.Get Price

  • Silica Scale Inhibition for Steam Generation in OTSG

    Silica Scale Inhibition for Steam Generation in OTSG Boiler | Request PDFGet Price

  • Silica-Scale Inhibition for Steam Generation in OTSG

    Silica Scaling in Boilers - LenntechGet Price

  • Fouling Resistant Once Through Steam Generators (OTSG)

    New fouling resistant steam generator technologies for Steam Assisted from contaminants in the boiler feed water or continually remove scale which is 180°C, and high levels of impurities, including salts, metals, silica and organic compounds . Typical steam requirements in these types of processes range from 2 to 5 barrels or more of Get Price

  • Steam Its Generation and Use 41st Ed | Steam Engine | Boiler

    Fig. 4 Babcock & Wilcox 750 ton per day mass-fired refuse power boiler. Steam 41 / Steam Generation An Overview 1-3 The Babcock & Wilcox Company used to accomplish this task: those that include a steam drum (see Fig. 7a), or fixed steam-water separation point, and those that do not (see Fig. 7b), termed once-through steam generators (OTSG).Get Price

  • Silica Monitoring TECHNICAL NOTE On Power Plant

    silica in the steam does not exceed 20µgl-1. The same measurement can be carried out on once-through boilers, but because there are no separate superheaters, the sample is taken from the superheated steam prior to entering the turbine. Fig. 4 Silica versus permissible boiler pressure Silica (mgl-1) NaOH dosed boiler NH3 dosed boiler Get Price

  • Senior Engineer Prof (Boiler) X1 (Generation) Medupi Power

    Dec 10, 2021 · Position : Senior Engineer Prof (Boiler) X1 (Generation) Medupi Power Station Vacancy type: External/Internal Task Grade : P16 Area of Speacialization : The development and support of suitable technology strategies, processes, standards, specifications and designs Department : Engineering Boiler Business Unit : Medupi Power Station Location : South Africa …Get Price

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