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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

About Us

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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Once-through water boilers and large-scale water boilers

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :Once-through water boilers and large-scale water boilers
  • Supply Capacity : 10 units/month :Once-through water boilers and large-scale water boilers
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • Drum Type and Once Through Boiler Design - Bright Hub

    Jan 18, 2010 · The once through boiler has high load response characteristics due to the fact that it does not have a drum and has a much lower water inventory. In the once through boiler, many times the load change response is dictated by the firing system and its controls rather than the boiler, per-say. Once through boilers of super-critical pressure Get Price

  • Boilers MCQ [Free PDF] - Objective Question Answer for

    Supercritical boilers operate at a pressure greater than 22 MPa and also referred to as Once through boilers since the feed water circulates only once through boiler in each steam cycle. It prevents the formation of scale in boiler water tubes. Air preheaters are used in large boilers found in thermal power stations producing electric Get Price

  • Water Handbook -Boiler Deposits: Occurrence And …

    Water Handbook -Boiler Deposits: Occurrence And Control | SUEZGet Price

  • Reliability of Supercritical Boiler and its Advantages

    coal-fired boilers regardless of whether they were subcritical or supercritical systems. In once-through (OT) boilers, inner scaling tends to accumulate rapidly on the internal surfaces of water wall tubes when compared with natural circulation (NC) boilers, due to the differences in flow velocities inside the tubes.Get Price

  • How often should boiler water be tested?

    How often should boiler water be tested? All boilers should have OH or P&T Alkalinity, Chlorides, and Conductivity tested at least once per shift. If the scale control program is Phosphate or Phosphonate based, test once per shift. Chelant programs should be tested every 4 hours, and all polymer systems should be tested every shift.Get Price

  • Marine Boilers - Marine Engineering Knowledge Part 1

    Oct 13, 2015 · Open the water cock side, blow out the water. Close the water cock side, the water connection is clear. Close the drain cock. Open the water cock, water should then gradually come rise up to the top of the gauge glass. Open the steam cock, the water in the glass should fall to the level of the water in the boiler.Get Price

  • Flexible Small-Scale Generation Empowered by Once-Through

    Sep 14, 2020 · Once-Through Boiler Design. A distinctive feature of JCE's OTB design is that water is heated, evaporated, and superheated in a single serpentine tube bank (Figure 3).Get Price

  • BOILER | Meaning & Definition for UK English |

    Translate boiler into Spanish. noun. 1 A fuel-burning apparatus or container for heating water. 1.1 A household device providing a hot-water supply or serving a central heating system. 'Wood combination heaters can be either hot-air furnaces or hot-water boilers.' Get Price

  • Introduction to boilers - ScienceDirect

    Jan 01, 2021 · The boiler has a long history starting from the 17th century. In the beginning, boilers and steam engines were prime movers for pumping water from deep coal mines, then the industrial development, that is, industrial revolution, enhanced the improvement and scale-up of boilers so that the steam power was utilized for factory power source to drive cotton mill, blast …Get Price


    3) Avoid Fouling (substances excluding scale) 4) Avoid Priming (carryover of water droplet) 5) Avoid Foaming 6) Efficient Heat Transfer 7) Minimum Boiler Tube Leakages 8) Steam Purity 3.1 Water Quality in Supercritical Boilers The water quality is …Get Price

  • 2. BOILERS - Bureau of Energy Efficiency

    2. BOILERS Bureau of Energy Efficiency 27 Syllabus Boilers: Types, Combustion in boilers, Performances evaluation, Analysis of losses, Feed water treatment, Blow down, Energy conservation opportunities. 2.1 Introduction A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into water until it becomes heated water or steam.Get Price

  • Simulation of a supercritical once-through boiler (Journal

    Water Handbook -Boiler Deposits: Occurrence And Control | SUEZGet Price

  • Dynamic simulation of the water-steam flow in a

    Oct 18, 2017 · Finally, the operation simulation of the water-steam flow of the once-through boiler was performed for the case of dynamic step-down from the supercritical pressure to the subcritical pressure. Once-through steam generator systems with supercritical fluids are applied to achieve large capacity and high efficiency in power generation systems.Get Price

  • Miura Boiler University | Ultimate Boiler Resource - Miura

    While all boilers use a fuel source to generate heat that boils water to create steam, modular boilers do it a bit differently. A modular boiler system uses multiple connected units to give you optimal efficiency — whether you are using 25%, 50%, or of total output capacity — and a more compact footprint.Get Price

  • Once-through Boiler Steam Temperature Control Using

    Fig. 1. A schematic of a large-scale boiler-turbine system. III. CONTROL MODEL AND SIMULATOR Fig. 1 shows the full diagram of a large-scale once-through boiler-turbine system, which is the subject for this study. In this study, the subject system is reproduced using a full-scope dynamic boiler simulation model (DBSM).Get Price

  • | Once Through Boiler

    To help protect your boiler from scale build-up, you can also utilize specially designed boiler water chemicals. Miura has developed its brand of water treatment chemicals, BOILERMATE®, for its once-through, on-demand, modular steam boilers. BOILERMATE® 1200S is Miura's all-in-one boiler water treatment. It's a silica-based product that creates a protective layer of film on the …Get Price

  • Industrial Biomass Boiler Large Water Turbine Generator

    Industrial Biomass Boiler Large Water Turbine Generator Steam Boiler, Find Complete Details about Industrial Biomass Boiler Large Water Turbine Generator Steam Boiler,Laboratory Steam Boiler,Steam Boiler Pressure Gauge,Good Environmental Protection Industrial Steam Boiler from Boilers Supplier or Manufacturer-Wuxi Jencee Boiler Co., Ltd.Get Price

  • Why does a crusty boiler scale form in boilers when using

    Answer (1 of 3): Effective boiler feedwater treatment is a critical element of the process of successful boiler operation. The evaporation of hard water in a boiler leaves the chemicals thus left from the water flashes off to steam and continues on …Get Price

  • Future development of modern once-through boilers with

    OSTI.GOV Conference: Future development of modern once-through boilers with hard coal furnaces Title: Future development of modern once-through boilers with …Get Price

  • Boiler Water Treatment - An overview - Marinerspoint

    Apr 29, 2020 · Boiler Water Treatment. Boiler Water treatment is mainly done. 1.To Prevent scale formation. Or. 2.Corrosion. It is because Scale formation and corrosion are the main two factors that determine the efficiency of the internal parts and as well as lifetime of the boiler. Badly corroded and scaled boiler can fail within very short time.Get Price

  • Large-Scale Utility Power - Babcock & Wilcox

    Designed for pulverized coal, B&W's advanced once-through ultra-supercritical boilers are usually applied to systems with a capacity of 400 MW or more. These clean and efficient boilers usually operate at throttle pressures of 3500 psi (24.1 MPa) or more and steam temperatures in the 1100F (595C) range.Get Price

  • Modelling and control design of once-through boilers

    Jan 01, 2012 · The once-through boilers have usually smaller energy reserve than the drum type boilers, since a) those are operating at sliding pressure mode, which minimizes the throttle reserve at the turbine valve and b) the lack of the drum boiler results in …Get Price

  • Supercritical Boilers - Babcock & Wilcox

    A once-through boiler for supercritical applications, usually applied to systems with a capacity of 400 MW or larger; the design features a water-cooled drybottom furnace, superheater, reheater, economizer, and air heater components — designed for variable superheater pressure load cycling and base load operation.Get Price

  • (PDF) Steam/Water Circulation Design | Devidutta Panda

    Once-through boilers need advanced automation and control systems because of their relatively small water/steam volume. They do not either have a buffer for capacity changes as other water tube boiler types do. Once-through boiler types General There are three main types of once through boilers: Benson, Sulzer and Ramzin design.Get Price

  • What is the classification of common boiler water

    Jan 21, 2022 · Raw water: refers to water that has not been disinfected and filtered, such as river water, stream water, well water, reservoir water, etc. Feed water: refers to the chemical water delivered from deaerator to boiler by feed pump. Make-up water: Make-up water for boiler is to make up the lost part or externally supplied part after completing a steam-water cycle, so that …Get Price

  • Boiler Water Treatment - ScienceDirect

    Jan 01, 2015 · Role of water chemistry is very crucial for safe and efficient operation of vital components in feedwater–steam circuit. Proper maintenance of water chemistry helps in minimizing corrosion, deposition, and scaling problems in boiler and turbine and prevents costly shutdown and material replacement. pH, cationic conductivity, iron, copper, chloride, dissolved …Get Price

  • commercial water boiler

    Classic Kitchen 28 Cup Capacity Hot Water Boiler Urn with New Twisloc˜ Safety Tap, Metal Spout, Stainless Steel Double Wall and Dual Heating Elements -- Instant Heating and with Reboil Capability when Refilled with Cold Water. Perfect for Keeping Piping Hot Water for Tea, Coffee and for Entertaining. 4.3 out of 5 stars. 12. $109.00. $109. . 00.Get Price

  • The Importance of Maintaining Boiler Feedwater | Process

    Jan 12, 2022 · Water that begins in lakes, oceans or other large bodies eventually evaporates and returns to the clouds as a vapor, where it is stored. As time passes, that water once again falls to Earth in some form of precipitation and is carried by streams, rivers and other means back its starting point, where the cycle repeats itself in an endless loop.Get Price

  • Better Understand Boilers - Chemical Processing

    Jan 09, 2019 · Many supercritical once-through boilers used in plants have pressures in the range of 250–350 Barg and temperatures of 500–650°C, well above the critical point of water. However, opting for more moderate conditions, …Get Price

  • High Tech once through boiler Of Industrial Capacity Local

    This device removes compo- nents that give hardness to the feed water, which pre- vents scale from forming in the : 02 322 3191 | Once Through Boiler DOWNLOADSGet Price

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