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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

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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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Sulphidation resistance of composite boiler tube materials

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  • 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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HOT

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

Applicable fuel:Natural gas, etc.

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T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.

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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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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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  • Superheater tubes for boilers — Sandvik Materials Technology

    Increased efficiency in coal-fired power boilers. Our new material Sanicro ® 25 is engineered for the next generation of coal-fired power boilers, contributing to significantly greater efficiency and sharply lower CO 2 emissions. It is ideal for superheater and reheater tubes, allowing for material temperatures of up to 700ºC (1290ºF).Get Price

  • Degradation Studies of Wire arc - ScienceDirect.com

    Jan 01, 2014 · 1. Introduction Corrosion is a serious problem in superheater of coal fired boilers. Degradation of components occurs due to high temperature oxidation and hot corrosion of boiler tubes in steam generating system of power generation industry [1-8]. Huge amounts of material wastage in super heaters due to the combustion of fuels are reported [9-15].Get Price

  • Polymer Use for Boilers and Pressure Vessels

    Chlorinated PVC (CPVC) has even better heat resistance than PVC (almost 90°C, 190°F at 330 kPa or 50 psi) and is another common plumbing material. Plastic beverage bottles. While this application is not at high temperature, the pressure load on the wall is substantial when it has freshly carbonated beverage in it.Get Price

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    Boiler Use • A boiler may be classified as either a steam boiler or hot water boiler. The vessels are the same and the boiler trim (controls & piping) determine the use of the vessel. A steam boiler must maintain a water level covering the top of the heating (tube) surfaces while leaving room for steam production.Get Price

  • Corrosion Resistance Of Next Generation Composite Tube

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  • Corrosion testing of high-nickel alloy composite tube

    Mar 22, 2009 · Composite tubes made with either 304L, A825 or A625 exterior layers are commonly used to construct the lower-furnace waterwalls of black liquor recovery boilers currently operated in North America. While these composite tubes have been very successful in resisting sulphidation corrosion, they have experienced unanticipated problems with the …Get Price

  • Boilers - University of Alabama

    Fire-Tube Boiler (~1800) The fire tube boiler, the oldest design, is made so the products of combustion pass through tubes surrounded by water in a shell. The furnace/flame volume can either be inside or external to the shell that contains the water. The upper steam capacity of fire tube boilers is about 20,000 Ibm/hr, and the peak pressureGet Price

  • High Temperature Behavior of Cr3C2-NiCr Coatings in the

    Feb 18, 2015 · Erosion-corrosion is a serious problem observed in steam-powered electricity generation plants, and industrial waste incinerators. In the present study, four compositions of Cr3C2-(Ni-20Cr) alloy coating powder were deposited by high-velocity oxy-fuel spray technique on T-91 boiler tube steel. The cyclic studies were performed in a coal-fired boiler at 1123 K ± 10 K …Get Price

  • Composite Boilers - Marine Engineering Study Materials

    Mäkipää, M, Oksa, M & Pohjanne, P 2001, Corrosion testing of high-nickel alloy composite tube materials in simulated recovery boiler lower furnace conditions. in 10th International Symposium on Corrosion in the Pulp and Paper Industry, ISCPPI. Vol.Get Price

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    Composite Boilers - Marine Engineering Study MaterialsGet Price

  • Boiler Tube Company of America|Pressure Parts & Services

    Whether you need straight or in-kind tube replacement, or a solution that will help boost the performance and longevity of your boilers and related equipment, contact Boiler Tube Company of America any time. [email protected] 864-439-4489. 800-845-3052 (Toll Free)Get Price

  • Oxidation of boiler tube steels in steam - ScienceDirect

    A lab-based testing program was undertaken to generate data to better define the sulphidation resistance of composite tubes installed in the lower-furnace section of …Get Price

  • Application of High Temperature Corrosion-Resistant

    Jun 01, 2007 · Corrosion-resistant materials (CRMs) and coatings are key technologies to increase power generation efficiency and reduce maintenance in waste-to-energy (WTE) plants. Corrosion environment became severe as steam temperatures have increased. The steam condition of more than 400 °C/3.9 MPa became possible in WTE boilers by using highly …Get Price

  • Composite tube for boilers - Sandvik Materials Technology

    The key attributes of Sanicro 67 is the excellent resistance against stress corrosion cracking and general corrosion. These attributes are gained by a higher chromium content and a low work-hardening rate. This results in a premium composite tube …Get Price

  • QAS 4.04 Welding - Field-Applied Weld Overlay of Boiler Tubes

    BOILER TUBES PAGE 1 OF 10 1.0 . Purpose . The purpose of this specification is to establish the minimum quality assurance requirements for field-applied corrosion-resistant weld overlay of boiler tubing at NRG owned or operated facilities. 2.0 . Scope . 2.1 This specification applies to boiler tubes that have experiencedGet Price

  • Recovery Boiler Waterwall Tube Failure Analysis with

    An investigation of a water wall tube rupture in a low pressure, recovery boiler was undertaken to determine why the tube thinned to failure in less than five years of service. The failure mechanism, sulfidation corrosion. is not unusual near the furnace bed but the analysis yielded a number of interesting issues relating to boiler design and Get Price

  • How Boiler Pipe is Manufactured, Material Specification

    It has been widely used at heat exchanger pipe and tubing services, tube exchanger bundle, high pressure boiler, economizer, super heater, petrochemical industry pipes, etc. Boiler pipe materials and standards. Standards and material for steel pipe is …Get Price

  • Joey Kish | Department of Materials Science and …

    The composite tube consists of two different alloys metallurgically bonded together to achieve good thermal transfer properties. One alloy is used to withstand corrosion, while the other is often an approved pressure vessel material. Typical applications for Sandvik composite tubes are steam boilers with corrosive conditions, such asGet Price

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    Apr 30, 2020 · Such as tube and tube plate connection, riveted head, seam and boiler mountings. Starting and Stopping Boiler When the boiler is started, the lighten-up rate of the boiler must not be accelerated too much as this might cause an unnecessary over strain of the boiler material by quick and uneven temperature rises.Get Price

  • Product Development in the 1990s - Adapting to a New

    Reaction Synthesis of Heat-Resistant Materials p. 275 Development of a High Strength Low Alloy Steel for Boiler Materials p. 287 p. 311 Inelastic Behavior of Beta-21S Composite Matrix Material p. 317 Nicrofer 45TM: Results of Various Practical Exposure Tests p. 327 Materials Exposure Test in the Heat Recovery Boiler of HYCOL Coal Get Price

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    Reaction Synthesis of Heat-Resistant Materials p. 275 Development of a High Strength Low Alloy Steel for Boiler Materials p. 287 p. 311 Inelastic Behavior of Beta-21S Composite Matrix Material p. 317 Nicrofer 45TM: Results of Various Practical Exposure Tests p. 327 Materials Exposure Test in the Heat Recovery Boiler of HYCOL Coal Get Price

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    Feb 18, 2015 · Erosion-corrosion is a serious problem observed in steam-powered electricity generation plants, and industrial waste incinerators. In the present study, four compositions of Cr3C2-(Ni-20Cr) alloy coating powder were deposited by high-velocity oxy-fuel spray technique on T-91 boiler tube steel. The cyclic studies were performed in a coal-fired boiler at 1123 K ± 10 K …Get Price

  • Joey Kish | Faculty of Engineering

    Overview. Major research topics explored during my professional experience include: composite tube fireside cracking in kraft recovery boilers, superheater corrosion in biomass fired power boilers, concrete corrosion in effluent treatment systems, …Get Price

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    Materials, an international, peer-reviewed Open Access journal. This study describes the water vapour effect on the oxidation resistance of 9Cr creep resistant steels. Boiler P91 and MarBN steels were oxidized for 3000 h in a simulated humid atmosphere with ~10% water vapour. the composite had excellent oxidation resistance properties Get Price

  • Hot corrosion and performance of nickel-based coatings - …

    Only composite materials are able to meet such a demanding spectrum of require stage are the sulphidation-oxidation mechanism and the salt fluxing mechanisms14. The salt fluxing mechanism tigation of high-temperature corrosion resistance of Ni 50Cr-coated boiler tubes in a laboratory test at 873 K,Get Price

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    Causes and solutions for recovery boiler primary air port composite tube cracking. Proceedings of the International Symposium on Corrosion in the Pulp and Paper Industry. 107-122. 2004; Cracking and Performance of Composite Tubes and Air Port Designs in A Kraft Recovery Boiler.Get Price

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