Recovery Boiler Smelt Spouts

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  • Minimum order quantity : 1 set :Recovery Boiler Smelt Spouts
  • Supply Capacity : 10 units/month :Recovery Boiler Smelt Spouts
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
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HOT

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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HOT

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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HOT

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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HOT

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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HOT

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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  • Recovery boiler smelt shattering spray - Westvaco Corporation

    We claim: 1. An appliance for mounting a smelt shattering spray conduit on support structure associated with a chemical recovery boiler having a furnace bed and dissolving tank, said furnace bed being drained of accumulated liquid smelt through perimeter spouts which channel a liquid smelt flow stream into a free fall space above said dissolving tank, said appliance for mounting …Get Price

  • ANDRITZ starts up new HERB recovery boiler - paper-world.com

    Jan 13, 2022 · The boiler also features a unique air system to minimize air emissions. The scope of supply also included: Engineering for the entire system except for the civil works and the electrical and automation equipment; Complete pressure parts; Auxiliaries such as start-up oil burners, black liquor burners, smelt spouts and high-pressure steam valves Get Price

  • RECOMMENDED GOOD PRACTICE - BLRBAC

    Safe Firing of Black Liquor in Black Liquor Recovery Boilers April 2015. Page 9 . CHAPTER 1 GENERAL. Recovery boiler explosions fall into four categories -- smelt water explosions, auxiliary fuel explosions, explosions from ignition of unburned gases from pyrolyzed black liquor, and dissolving tank explosions.Get Price

  • Recovery boiler smelt spout - International Paper Company

    Recovery boiler smelt spout. United States Patent 4750649. A spout for a recovery boiler such as those used in the papermaking industry. As in prior art spouts of this type, the spout is provided with an internal cavity to thereby permit water cooling of the spout. By this invention, a duct is provided for the internal cavity, the duct applying Get Price

  • HAZARDS IDENTIFICATION IN SODA RECOVERY BOILER

    surges, substantial dissolving tank action). These tasks incorporate rodding and cleaning the smelt spouts and air ports just as embedding, evacuating and cleaning liquor guns. 2. SODA RECOVERY BOILER The recovery boiler is the important component of the Kraft recovery process and a major recovery boiler explosion isGet Price

  • ANDRITZ successfully starts up a new HERB recovery boiler

    Jan 14, 2022 · The boiler also features a unique air system to minimize air emissions. The scope of supply also included: Engineering for the entire system except for the civil works and the electrical and automation equipment; Complete pressure parts; Auxiliaries such as start-up oil burners, black liquor burners, smelt spouts and high-pressure steam valves Get Price

  • Experiences with lower furnace tube cracking in a recovery

    ABSTRACT: The recovery boiler at the DMI Peace River Pulp Mill experienced severe cracking of composite tubes made of stainless steel 304L/SA210. Cracking occurred in tubes on the furnace floor, at primary air ports, at smelt spout openings, and at composite-to-composite butt welds in the lower furnace.Get Price

  • Tube Leaks in Black Liquor Recovery Boilers

    recovery boiler (BLRB), a tube leak that permits water to enter the furnace results A smelt-water explosion may result if boiler water enters the furnace. Repair of a tube leak requires BLRB shutdown, and will impact mill operation. A smelt-water explosion presents the risk of water at spouts, ports, ash hoppers and in the furnace.Get Price

  • AMERICAN FOREST & PAPER ASSOCIATION AMERICAN …

    • Liquor System - heavy black liquor storage through dissolving tank and smelt spout cooling system. • Boiler Water - boiler makeup treatment facilities and condensate return systems through recovery boiler steam outlet non-return valve. • Furnace Gas - Combustion air fan inlet through flue gas stack outlet including sootblower.Get Price

  • US7891325B2 - Cleaner for the smelt spout of a recovery

    A cleaning apparatus for a smelt spout of a recovery boiler, which apparatus comprises a motorized cleaning member ( 7 ) for cleaning the smelt spout ( 1 ). The cleaning apparatus further comprises a path ( 5 ) and a cleaning unit, which comprises motorized transfer means for transferring the cleaning unit to the location of the smelt spout ( 1 ) along the path.Get Price

  • Failure of Smelt Spouts in Kraft Recovery Boilers

    The fluidity of smelt is an important property that affects smelt flow from recovery boiler spouts. It is strongly related to smelt viscosity. Results of a laboratory study show that molten smelt has a viscosity between 2.5 and 5 cP, and that, as long as smelt is completely molten, its viscosity is not affected appreciably by composition or Get Price

  • Recovery boiler - Wikipedia

    boiler through smelt spouts. One feature of recovery boilers is the presence of a char bed on the hearth. char bed. The char bed consists of a pile of partially pyrolyzed black liquor solids, carbonaceous material and inorganics that accumulate on the hearth. It acts as a fuel reservoir and provides residence time forGet Price

  • Recovery Furnace Floor Design and Alternative Materials

    by the raised smelt spouts could actually circulate to carry mol- recovery boiler operating at 8.5 MPa where the circulation smelt has a sulfidity close to 40 mole percent and its potassium and chlorine levels are high enough, the smelt flows extremelyGet Price

  • 2 Case Studies - Dissolving Tank Explosions - USA 2016

    Oct 22, 2019 · Sunday 11pm - Unexpected power outage causes a recovery boiler to trip with full char bed.; Tuesday 11pm - Boiler back online on auxiliary fuel. Smelt spouts partially open. Wednesday 7pm Get Price

  • ANDRITZ : successfully starts up a new HERB recovery

    Jan 11, 2022 · The boiler is designed to process hardwood black liquor and enables environmentally friendly and more energy-efficient operation compared to the direct-contact evaporator boiler currently used at the mill. This will significantly increase the mill's pulp production and power-to-heat-ratio. The boiler also features a unique air system to minimize …Get Price

  • ANDRITZ services for recovery boilers

    The smelt spout robot offers safer solution for Recovery boiler spout cleaning. Read more Automation for the pulp and paper industry Optimization, data analysis, augmented reality. Read more Recovery boilers Chemical regeneration processes for all pulping technologies.Get Price

  • Smelt Spout Corrosion in a Recovery Boiler, 2010 TAPPI

    Severe corrosion led to an in-service failure of one of the six spouts on a recovery boiler at Cenibra. The failure resulted in a large amount of cooling water entering the boiler and contacting smelt around the spout opening, but fortunately no smelt-water explosion occurred. An extensive investigation was conducted to determine the causes of Get Price

  • ANDRITZ services for recovery boilers

    The smelt spout robot offers safer solution for Recovery boiler spout cleaning. Read more Automation for the pulp and paper industry Optimization, data analysis, augmented reality. Read more Recovery boilers Chemical regeneration processes for all pulping technologies.Get Price

  • Formation mechanisms of "jellyroll" smelt in kraft

    FIG. 1shows a typical smelt spout area of a recovery boiler, which comprises smelt spouts 1, along which the smelt is directed from the furnace 2to …Get Price

  • ANDRITZ starts up new HERB recovery boiler - paper-world.com

    Jan 13, 2022 · The boiler also features a unique air system to minimize air emissions. The scope of supply also included: Engineering for the entire system except for the civil works and the electrical and automation equipment; Complete pressure parts; Auxiliaries such as start-up oil burners, black liquor burners, smelt spouts and high-pressure steam valves Get Price

  • Seller 20 Ton Coal Condensing Boiler Ukraine

    Smelt Spout Corrosion in a Recovery Boiler, 2010 TAPPI . Spouts and Dissolving Tank Spouts – water-cooled troughs mounted in or on furnace at spout openings near hearth Spout cooling water system Agitated tank to dissolve smelt and make green liquor Shatter jets or other means to break up smelt stream as it enters the tank Sootblowers Use a steam jet to remove deposits …Get Price

  • Titanium® Intelligent Sootblowing (ISB) System » Babcock

    Smelt Spouts. Our latest smelt spouts innovation is a new, boiler wall-mounted hood enclosure design, available for our 15- and 30-degree insertable spouts and incorporates a hood-mounted optimally positioned shatter jet assembly. View Web PageGet Price

  • US20080087302A1 - Cleaner for the smelt spout of a

    FIG. 1 shows a typical smelt spout area of a recovery boiler, which comprises smelt spouts 1, along which the smelt is directed from the furnace 2 to the dissolving tank 3. Typically, the smelt is very hot (for example 750 to 820° C.). The possible splashes of smelt cause danger to the personnel working and moving in the surroundings.Get Price

  • Improving Safety Around Recovery Boiler Operations - Paper

    Jan 12, 2021 · Below are four inventions and innovations that have improved the working conditions around recovery boilers and made operation of the boiler more stable. Smelt Spout Micro Hood Arrangement. One area considered the most …Get Price

  • Andritz starts up a new HERB recovery boiler at Kuantum

    Apr 20, 2021 · Andritz has successfully started up a new 500 t/d HERB chemical recovery boiler at Kuantum Papers Limited in Saila Khurd, Hoshiapur district in the state of Punjab, India. The boiler is designed to handle a mixture of hardwood and agro-based black liquor and enables environmentally friendly and more energy-efficient operation compared to a Get Price

  • Danger!! Smelt spout recovery boiler - YouTube

    Jul 06, 2017 · Some smelt spout back fire due to too much build of bed inside of boiler. It caused bad combustion and uncontrol of parameters.Get Price

  • Failure of Smelt Spouts in Kraft Recovery Boilers

    furnace section of recovery boiler & smelt stream Could trigger a smelt-water explosion capable of destroying the boiler Significance manifested through published set of recommendations for proper smelt cooling system design, operation & maintenance BLRBAC suggests annual replacement – Ensures that failures are rare, butGet Price

  • Inspection for cracking of composite tubes in black liquor

    recovery boilers. Cracks also are found in tubes at smelt spout openings; in tubes that form air port openings and in wall tubes near the floor. The main focus of this TIP is cracks in the alloy cladding (or overlay), although cracks also occur in the membrane between tubes, in membrane welds and in other welds on the tubes. Cracks in welds andGet Price

  • TIP 0416-23 Explanation of recovery boiler leak indications

    TIP 0416-23 Explanation of recovery boiler leak indications/ 4 Color change in smelt at spouts As in the case of a bed blackout, contact cooling of smelt from water/steam may result in a change of color. If there is water present near the point where smelt exits the furnace, then it is likely that the smelt will take on a darker color.Get Price

  • (PDF) Understanding recovery boiler smelt runoff phenomena

    Smelt fluidity, the ability of smelt to flow out of recovery boiler spouts, is inversely related to smelt viscosity. Molten smelt has a viscosity value between 2.5 and 5 mPa*s, which is not Get Price

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