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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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US8518496B2 - Preventing tube failure in boilers - Google

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :US8518496B2 - Preventing tube failure in boilers - Google
  • Supply Capacity : 10 units/month :US8518496B2 - Preventing tube failure in boilers - Google
  • 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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  • US6495268B1 - Google Search

    A method of corrosion protecting a tube having an end portion extending into a tube receiving hole of a mud drum of a boiler and the tube produced by that method. The end portion of the tube is provided with a corrosion resistant cladding layer which may contain chromium. Laser cladding is used to produce the corrosion resistant cladding layer, which advantageously tapers along a …Get Price

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    Deposits are a serious problem because they reduce heat transfer which can lead to boiler tube failure. The maximum temperature for the boiler tubes in generally in the range of 480 o C to 540 o C. Water circulating through the tubes normally conducts heat away from the tubes preventing the metal temperature from exceeding the maximum allowable Get Price

  • Cause of Boiler Tube Failures - Chicago Tube & Iron

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    Mar 15, 2017 · Boiler Safety. Workers that use, maintain, and service boilers know that they can be potentially dangerous. Boilers are gas-fired or electric closed vessels that heat water or other liquid to generate steam. The steam is superheated under pressure and used for power, heating or other industrial purposes.Get Price

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    boiler: Water-tube boilers Shell boilers • • Given theextreme process conditions, level measurement in steam boilers enforces strict requirements on process measuringtechnology. Dependingon the type of boiler used and how the boiler works, typicalprocess parameter values can be as highas 300 °C and100 bar, andare often significantly higher.Get Price

  • Different Types of Corrosion: Caustic Embrittlement

    Caustic soda (NaOH) was added in small amounts to boiler water to prevent scaling but the presence of caustics (alkalis), usually concentrated in crevices around rivet heads and at hot spots, combined with the considerable fabrication stresses around rivet holes to caused cracking of the steel boiler shells and tube plates.Get Price

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    Causes, and prevention of corrosion in boilers, type of corrosion. Corrosion is the reversion of a metal to its ore form. Iron, for example, reverts to iron oxide as the result of corrosion. The process of corrosion, however is a complex electro chemical reaction and it takes many forms.Get Price

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  • Water-tube boiler - Wikipedia

    A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled …Get Price

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    ZG Boiler Group is a industrial horizontal boiler and industrial autoclave manufacturer in China. ZG Boiler is Established in 1945 with a focus on safe, quality production, ZG is the horizontal boiler manufacturer of choice for industries and power plants.Our Products include gas oil fired boiler,biomass fired boiler,coal fired boiler,fire tube boiler,water tube boiler,circulating …Get Price

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    Oct 26, 2018 · Steam Boiler Water Feeder Valve Q&A #2 Recent FAQs on how to diagnose & fix a water feeder valve . POST a QUESTION or COMMENT about how and when to use and maintain the water feed valve on steam boilers; diagnosis of causes of steam boiler over-filling or water feed valves that don't shut off.Get Price

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  • What is a Caustic Embrittlement? - Definition from

    Feb 14, 2020 · Caustic embrittlement is a phenomenon that occurs in boilers where caustic substances accumulate in boiler materials. It also can be described as the cracking of riveted mild steel boiler plates. This occurs at temperatures of 200°-250°C as a result of local deposition of concentrated hydroxide. Caustic embrittlement focuses on the stressed Get Price

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    tube failure in boiler & tube failure in boiler online Wholesalers - choose tube failure in boiler from 11 list of China tube failure in boiler Manufacturers.Get Price

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  • Tube Failures in High Pressure Boilers - Bright Hub

    Layout of the presentation Introduction to Boiler tube failures Statistics of tube failures Cost of tube failures Types of tube failures and failure mechanisms Factors influencing tube failures Tube failure detection techniques Guide lines for the prevention and control of tube leaks Best practices to prevent tube leaks 9/4/2013 Steag O&M Company 2Get Price

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    Boiler heat tube failure is a long-term technical problem plaguing the production of electricity. The research on how to prevent failure of boiler heat tubes has practical significance. In this paper, select the type of the Tangshan Dong fang power plant SG-490/13.8-M572 CFB boiler as the research object, part by pressure, failure type, and run Get Price

  • Boiler Gas Valve Problems And Faults - Heating | Gas

    Any boiler fault is potentially dangerous, especially any problem that relates to gas. However, your boiler should lock out and display a fault code when it notices a problem. The lock out function in modern boilers is designed with two things in mind. For some faults, the boiler locks out to protect important boiler components from damage (for Get Price

  • Patent Report: | US9951943 | Preventing tube failure in

    Preventing tube failure in boilers Updated Time 12 June 2019 Patent Registration Data. Publication Number. US9951943. Application Number. US13/951956. Application Date. 26 July 2013. Publication Date. 24 April 2018. Current Assignee. GENERAL ELECTRIC TECHNOLOGY GMBH. Original Assignee (Applicant)Get Price

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  • US7256369B2 - Google Search

    During periodic shutdowns of the boiler unit, tube failures can occur. Quite often they are related to dew point corrosion, an insidious condition that can penetrate up to 0.50" of steel per year. Thin walled tubes that normally last 10 years can become badly pitted during shutdown, and replacement tubing becomes an unanticipated expense.Get Price

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    Jun 17, 2018 · DO NOT watch if you are of a nervous disposition. The point an old steam train locomotive boiler explodes hundreds of gallons of boiling water when coupling Get Price

  • Failure investigation of super heater tubes of coal fired

    Oct 01, 2017 · Failure of super heater tube of boiler is the major concern of forced outages at coal fired thermal power plant. Flue gas passes over super heater tubes leading to damage over the time of operation and termed as fireside damage/corrosion. Again the extent of damage is dependent on quality of coal, materials used, operation and maintenance.Get Price

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    The erosion-prone sections of the tubes in a circulating fluidized bed boiler are provided with a locally thickened sidewall without formingGet Price

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