seychelles membrane wall boiler thermal efficiency

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  • Wall average heat transfer in CFB boilers - ScienceDirect

    2001-10-8u2002·u2002Heat transfer to cooling surfaces is a key parameter for the control of the furnace temperature in a circulating fluidized bed (CFB) boiler. The cooling surfaces can either be vertical membrane-walls, internal tubes in the combustion chamber or tube bundles in an external heat exchanger in the particle recirculation loop; Fig. 1.This paper deals with heat transfer to the vertical membrane-wall ...

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  • Quality Membrane Water Wall Boiler & Water Wall Panel ...

    Furnace Tube In Biomass Membrane Water Wall Boiler ASME Or ISO 3834 EN Standard. Water Wall Panel Boiler. CFB Boiler Membrane Water Wall Panel Boiler High Thermal Efficiency Energy Saving. 10 Ton Boiler Panel Fabrication, Boiler Components Micro Fuse Technology Adopted. Rust Proof Water Wall Panel Boiler Coal Combustion Chamber Enclosure Stable

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  • Heat transfer on wedged membrane fin water wall tubes of ...

    2017-10-1u2002·u2002Abstract. Experiment was performed in a cold model circulating fluidized bed (CFB) riser to investigate bed to wall heat transfer on wedged membrane fin of membrane water wall tubes. Sand having an average diameter of 315μm was used as bed material. The membrane tube had diameter and pitch of 25.4 mm and 50 mm respectively.

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  • Enhancing the overall efficiency of a lignite-fired ...

    2014-4-1u2002·u2002Fig. 7 shows the results of the calculations of the boiler thermal efficiency (Eq. ) as a function of the oxygen recovery rate in the HT membrane. The oxygen recovery rate was varied from 0.4 to 0.8855. Download : Download full-size image; Fig. 7. Boiler thermal efficiency as a …

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  • Noviter NSTB steam boiler_TAISHAN GROUP CO., LTD.

    Noviter NSTB steam boilers are designed to produce either superheated steam or saturated steam. It is a single-drum natural circulation boiler, the furnace is a membrane wall structure, convection tube bundle is also surrounded by a membrane wall. Every Noviter NSTB-type steam boiler is tailor-made for customers and the company can produce NSTB ...

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  • Boiler Membrane factory, Buy good quality Boiler

    Buy low priced Boiler Membrane from Boiler Membrane factory, We provide good quality Boiler Membrane from China. ... Convenient Install Membrane Wall Boiler Improved Thermal Efficiency Contact Now. Show Details ... Energy Saving Boiler Membrane Carbon Steel Pipe Full Water Cooling Contact Now. Show Details. Fire Proof Boiler Panel Fabrication ...

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  • Efficiency studies of combination tube boilers

    tube boilers, due to the surrounded membrane wall. It is also observed that the loss due to the unburnt in the bottom ash has a considerable amount for the heat loss, and cannot be ignored.

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  • (PDF) Numerical Analysis of Steam Generator Membrane

    The membrane wall, in a steam generator formed by welding water wall tubes together with membrane bar (fins) in between, being a critical component in the boiler which requires for the detailed ...

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  • Efficiency studies of combination tube boilers - ScienceDirect

    2016-3-1u2002·u2002Efficiency of the combination tube boilers is studied by the direct and heat loss methods. It is seen that the combination tube boilers give optimum efficiency, even with the low grade fuels. From the heat balance sheets, it is observed that the dry flue gas loss is a major loss in the combination tube boilers.

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  • Efficiency studies of combination tube boilers

    tube boilers, due to the surrounded membrane wall. It is also observed that the loss due to the unburnt in the bottom ash has a considerable amount for the heat loss, and cannot be ignored.

    Get Price
  • Coal Boiler, Industrial Boiler, Pulverized Coal Boiler ...

    SZL Coal Fired Boiler. SZL Coal Fired Boiler Product Description SZL series coal boiler has the characteristics of big heat surface, high heat efficiency and the squama type chain grate, less coal leakage, respective air chamber and separated adjustment, sufficient and steady burning, outlet dust separator device reduces flue gas drain, frequency control, PLC & DCS auto-control.

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  • 3.0 ton heating boiler price - Fangkuai Boiler Co.,Ltd

    2021-9-16u2002·u20023、Fangkuai steam boiler has a full membrane wall structure technology. The furnace wall tube adopts a membrane wall structure, which has strong pressure bearing capacity and good air tightness, and no smoke or air leakage occurs. 4 …

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  • CDQ Waste Heat Boiler

    5、The boiler is designed with dual-pressure steam and self-deoxidizing system, similar to HRSG in Combined Cycle Power Plant (CCPP),improves~7.5% waste heat utilization ratio. 6、Boiler heating surface is designed as module type in order to guarantee production quality and meanwhile save the installation time on jobsite.

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  • Balkrishn Boilers,steam boiler,boiler,water boiler,boiler ...

    bbalkrishn boilers,steam boiler,boiler,water boiler,boiler manufacturer,fully wetback three pass packaged boiler,water wall membrane pannel f.b.c. fired boiler,oil and gas fired fully wet back boiler,rice husk and saw dust fired fully wetback boiler,nutshell and coconut shell fired fully wetback boiler,petcock and imported coal fired fully wetback boiler,hot oil fired multi pass boiler,hot gas ...

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  • Soild Fuel Fired 5 TPH Water Wall Membrane Steam Boiler ...

    Any part of the boiler metal that actually contributes to making steam is heating surface. The amount of heating surface of a boiler is expressed in square meters. The larger the heating surface a boiler has, the more efficient it becomes. We are offering 5 TPH Water Wall Membrane Steam Boiler. High workmanship. Ease of maintenance.

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  • Bidrum boiler - Thermaxglobal

    Membrane wall water-cooled furnace construction and fully drainable convective superheater. Fine combustion control, high turndown ratio, ramp up rate 20% MCR per minute and higher. Operating Range. Capacities: Up to 275 TPH. Pressure: Up to 125 kg/cm 2 (g) Temperature: Up to 538ºC.

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  • Water Cum Smoke Tube Membrane Type Boiler at best price in ...

    This is a unique design membrane water wall type boiler combining the advantages of water tube & smoke tube designs.The radiation zone of the furnace is covered on three sides by water tubes forming the first pass and the conventional smoke tube shell has tubes lined up forming the second and third pass of flue gases.

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  • Advanced Ultrasupercritical (AUSC) Tube Membrane Panel ...

    2017-8-16u2002·u2002Tube membrane panels have been designed, fabricated, and installed in boilers for over 50 years with relatively favorable experience when fabricated from carbon and Cr-Mo low alloy steels. The AUSC steam cycle requires membrane tube panels fabricated from materials that have not been used in a weldment with metal temperatures in the range of ...

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  • Boiler Efficiency

    2011-8-26u2002·u2002The efficiency on a lower heating value (LHV) basis increases slightly from 91.44% at 25% load to about 60% load and then tapers off. To determine burner duty, divide the boiler duty by the efficiency. Using a performance sheet obtained from a boiler supplier, one can get an idea of the fuel consumption at any load.

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  • New Refinery Waste Heat Boiler - babcock.com

    2021-5-27u2002·u2002Increased Efficiency — With the economizer addition and improved heat transfer, the thermal efficiency of the boiler was improved. Increased Unit Reliability — With the membraned furnace wall design, unit reliability is increased as deterioration of refractory on the tube walls and casing leaks are eliminated and the potential for wall tube

    Get Price
  • Boilers - University of Alabama

    2004-3-19u2002·u2002shell diameter of a fire-tube boiler, so much higher pressures can be obtained, well over 2000 psi. The furnace and boiler tube area must be surrounded by a heavily insulated refractory wall to prevent heat transfer through the boiler walls. The refractory lining is a high maintenance item.

    Get Price
  • Super Boiler: Packed Media/Transport Membrane Boiler ...

    2013-4-17u2002·[email protected]{osti_1073770, title = {Super Boiler: Packed Media/Transport Membrane Boiler Development and Demonstration}, author = {Liss, William E and Cygan, David F}, abstractNote = {Gas Technology Institute (GTI) and Cleaver-Brooks developed a new gas-fired steam generation system the Super Boiler for increased energy efficiency, reduced equipment size, and reduced emissions.

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  • Taishan Group CFB boiler - Taishan Group Tai'an Boao ...

    Space Diagram cyclone separator refeeder membrane wall fluidized bed Ignition system Boiler proper arrangement 1. Natural circulation 2. Omniseal hightemperature cyclone separator (with water jacket) Boiler includes three parts: First is furnace and drum; furnace adopts full membrane wall, and the bottom is water cooled air chamber bended with water wall tube.

    Get Price
  • Enhancing the overall efficiency of a lignite-fired ...

    2014-4-1u2002·u2002Fig. 7 shows the results of the calculations of the boiler thermal efficiency (Eq. ) as a function of the oxygen recovery rate in the HT membrane. The oxygen recovery rate was varied from 0.4 to 0.8855. Download : Download full-size image; Fig. 7. Boiler thermal efficiency as a …

    Get Price
  • CDQ Waste Heat Boiler

    5、The boiler is designed with dual-pressure steam and self-deoxidizing system, similar to HRSG in Combined Cycle Power Plant (CCPP),improves~7.5% waste heat utilization ratio. 6、Boiler heating surface is designed as module type in order to guarantee production quality and meanwhile save the installation time on jobsite.

    Get Price
  • Choosing the best boiler for your buck - Plant Services

    2015-9-9u2002·u2002Boiler wall construction has also changed. Tangent tube walls have been replaced with tube and membrane seal welded walls to eliminate flue gas bypassing from the furnace to the convection zone. The tube and membrane walls are seal-welded and have no opening between tubes. ... Thermal efficiency rates can range from 87% to as high as 97% ...

    Get Price
  • Boiler Heat Exchange Part Water Wall Panels

    Water wall panels with pins usually laid vertically on the inner wall of the furnace wall, it is mainly used to absorb the radiant heat emitted by the flame and high-temperature flue gas in the furnace.It is the main type of evaporating heating surface of all kinds of modern boilers and the basic component of boiler water circulation loop.Because of both cooling and protection of the furnace ...

    Get Price
  • Condensing Ultra High Efficiency Hot Water Boilers ...

    The AMP Condensing Water Heater Series (AMPW) from Thermal Solutions delivers efficiency and powerful output with unprecedented space saving innovation in a service friendly design. Available in 400, 500, 650, 800, and 1000 MBH input levels, all models are 97% Thermal Efficient and modulate at …

    Get Price
  • ASME Standard Carbon Steel or Alloy Steel Membrane

    Boiler water walls are membrane walls that are made of tubes welded together with or without a strip of metal in between. These walls form the enclosure of the coal combustion chamber. Water wall tubes are also referred to as the evaporator section; they contain water mostly in liquid form which gradually evaporates as it rises in the boiler.

    Get Price
  • Bidrum boiler - Thermaxglobal

    Membrane wall water-cooled furnace construction and fully drainable convective superheater. Fine combustion control, high turndown ratio, ramp up rate 20% MCR per minute and higher. Operating Range. Capacities: Up to 275 TPH. Pressure: Up to 125 kg/cm 2 (g) Temperature: Up to 538ºC.

    Get Price
  • Balkrishn Boilers,steam boiler,boiler,water boiler,boiler ...

    bbalkrishn boilers,steam boiler,boiler,water boiler,boiler manufacturer,fully wetback three pass packaged boiler,water wall membrane pannel f.b.c. fired boiler,oil and gas fired fully wet back boiler,rice husk and saw dust fired fully wetback boiler,nutshell and coconut shell fired fully wetback boiler,petcock and imported coal fired fully wetback boiler,hot oil fired multi pass boiler,hot gas ...

    Get Price
  • SZS Gas & Oil Water Tube Boiler--ZBG

    2021-9-6u2002·u2002SZS Gas & Oil Water Tube Boiler. Capacity : 4-90t/2.8-63 MW. Pressure ≤3.82MPa. Natural Gas,Biogas,Heavy Oil,Light Oil. Textile Industry,Paper Plant, Food & Beverage,Heating Supply. Brief introduction: SZS series oil and gas fired boiler is a packaged water tube boiler with double drums and D-type layout. Burning oil and gas, this boiler has ...

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  • Boilers - University of Alabama

    2004-3-19u2002·u2002shell diameter of a fire-tube boiler, so much higher pressures can be obtained, well over 2000 psi. The furnace and boiler tube area must be surrounded by a heavily insulated refractory wall to prevent heat transfer through the boiler walls. The refractory lining is a high maintenance item.

    Get Price
  • Henan Province Sitong Boiler Co., Ltd.

    Log burning biomass boiler is horizontal type double drums water tube boiler with high steam quality, the combustion equipment is chain grate. Sitong boiler takes several breakthroughs on boiler design, such as membrane water cooling wall, low thermal ine Learn more > 13 Feb 17. Log Fired Chain Grate Steam Boiler

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  • Fire tube boiler,Fire tube boiler price,Shell tube boiler ...

    2021-8-16u2002·u2002Membrane wall structure is used for furnace water wall and convection pass, good leak-proofness, low air leakage, decrease the heat losing of exhaust gas, improve boiler thermal efficiency. The use of high-quality centrifugal glass wool for insulation, reduce heat loss, insulation effect is excellent.

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  • Water Cum Smoke Tube Membrane Type Boiler at best

    This is a unique design membrane water wall type boiler combining the advantages of water tube & smoke tube designs.The radiation zone of the furnace is covered on three sides by water tubes forming the first pass and the conventional smoke tube shell has tubes lined up …

    Get Price
  • Waste-to-Energy

    wasteWOIMA ® – THE MODULAR WASTE-TO-ENERGY POWER PLANT. The modular waste-to-energy power plant consists of one to four WOIMAlines, each producing • Steam 17 tons h (400°C @ 40 bar(g)) OR • Electricity 3.5 – 3.8 MW e (gross) 2.8 – 3.1 MW e (net) OR • Electricity 2.2 MW e (net) and thermal energy 10 MW th Out of 150–200 tons of solid waste per day

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  • ZOZEN Boiler Energizes Uzbekistan Chemical Industry

    2021-8-27u2002·u2002ZOZEN SZS series gas-fired steam boiler adopts reasonable D-type arrangement of full-membrane wall structure, and all convection tube bundles in high-temperature area adopt anti-vibration fasteners, so that the fracture problem of convection tube bundles is solved. ... the thermal efficiency can reach over 98%. At the same time, good quality ...

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  • Steam Boiler 0.1-50ton/100kg-50000kg, by gas oil coal

    2021-9-8u2002·u20023) 10ton-50ton Water tube gas oil boiler, double drums water membrane wall sturcture, enough big combustion furnace boiler. Plan B Coal (charcoal briquette) steam boiler. 1) 100-2000kg/100-1400kw vertical coal boiler, small steam boiler or hot water boiler, water-tube …

    Get Price
  • New Refinery Waste Heat Boiler - babcock.com

    2021-5-27u2002·u2002Increased Efficiency — With the economizer addition and improved heat transfer, the thermal efficiency of the boiler was improved. Increased Unit Reliability — With the membraned furnace wall design, unit reliability is increased as deterioration of refractory on the tube walls and casing leaks are eliminated and the potential for wall tube

    Get Price
  • Boilers - University of Alabama

    2004-3-19u2002·u2002shell diameter of a fire-tube boiler, so much higher pressures can be obtained, well over 2000 psi. The furnace and boiler tube area must be surrounded by a heavily insulated refractory wall to prevent heat transfer through the boiler walls. The refractory lining is a high maintenance item.

    Get Price
  • Super Boiler: Packed Media/Transport Membrane Boiler ...

    2013-4-17u2002·[email protected]{osti_1073770, title = {Super Boiler: Packed Media/Transport Membrane Boiler Development and Demonstration}, author = {Liss, William E and Cygan, David F}, abstractNote = {Gas Technology Institute (GTI) and Cleaver-Brooks developed a new gas-fired steam generation system the Super Boiler for increased energy efficiency, reduced equipment size, and reduced …

    Get Price
  • Taishan Group CFB boiler - Taishan Group Tai'an Boao ...

    Space Diagram cyclone separator refeeder membrane wall fluidized bed Ignition system Boiler proper arrangement 1. Natural circulation 2. Omniseal hightemperature cyclone separator (with water jacket) Boiler includes three parts: First is furnace and drum; furnace adopts full membrane wall, and the bottom is water cooled air chamber bended with water wall tube.

    Get Price
  • Enhancing the overall efficiency of a lignite-fired ...

    2014-4-1u2002·u2002Fig. 7 shows the results of the calculations of the boiler thermal efficiency (Eq. ) as a function of the oxygen recovery rate in the HT membrane. The oxygen recovery rate was varied from 0.4 to 0.8855. Download : Download full-size image; Fig. 7. Boiler thermal efficiency as a function of oxygen recovery rate.

    Get Price
  • CDQ Waste Heat Boiler

    5、The boiler is designed with dual-pressure steam and self-deoxidizing system, similar to HRSG in Combined Cycle Power Plant (CCPP),improves~7.5% waste heat utilization ratio. 6、Boiler heating surface is designed as module type in order to guarantee production quality and meanwhile save the installation time on jobsite.

    Get Price
  • Choosing the best boiler for your buck - Plant Services

    2015-9-9u2002·u2002Boiler wall construction has also changed. Tangent tube walls have been replaced with tube and membrane seal welded walls to eliminate flue gas bypassing from the furnace to the convection zone. The tube and membrane walls are seal-welded and have no opening between tubes. ... Thermal efficiency rates can range from 87% to as high as 97% ...

    Get Price
  • Boiler Heat Exchange Part Water Wall Panels Construction ...

    Water wall panels with pins usually laid vertically on the inner wall of the furnace wall, it is mainly used to absorb the radiant heat emitted by the flame and high-temperature flue gas in the furnace.It is the main type of evaporating heating surface of all kinds of modern boilers and the basic component of boiler water circulation loop.Because of both cooling and protection of the furnace ...

    Get Price
  • Condensing Ultra High Efficiency Hot Water Boilers ...

    The AMP Condensing Water Heater Series (AMPW) from Thermal Solutions delivers efficiency and powerful output with unprecedented space saving innovation in a service friendly design. Available in 400, 500, 650, 800, and 1000 MBH input levels, all models are 97% Thermal Efficient and modulate at 10:1 firing rate.

    Get Price
  • ASME Standard Carbon Steel or Alloy Steel Membrane Water ...

    Boiler water walls are membrane walls that are made of tubes welded together with or without a strip of metal in between. These walls form the enclosure of the coal combustion chamber. Water wall tubes are also referred to as the evaporator section; they contain water mostly in liquid form which gradually evaporates as it rises in the boiler.

    Get Price
  • Seychelles - Electric power system efficiency study

    Seychelles - Electric power system efficiency study. Seychelles - Electric power system efficiency study Toggle navigation. Who We Are. Leadership, organization, and history. With 189 member countries, staff from more than 170 countries, and offices in over 130 locations, the World Bank Group is a unique global partnership: five institutions ...

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  • Boilers - University of Alabama

    2004-3-19u2002·u2002shell diameter of a fire-tube boiler, so much higher pressures can be obtained, well over 2000 psi. The furnace and boiler tube area must be surrounded by a heavily insulated refractory wall to prevent heat transfer through the boiler walls. The refractory lining is a high maintenance item.

    Get Price
  • Steam Boiler, Hot Water Boiler, Thermal Oil Heater Boiler

    2021-9-8u2002·u20023) 10ton-50ton Water tube gas oil boiler, double drums water membrane wall sturcture, enough big combustion furnace boiler. 3) Gas oil fired thermal oil boiler, it could be horizontal or vertical boiler, fully automatic & easy operate & 100% safety. Plan B Coal (charcoal briquette) steam water boiler. 1) 100-2000kg/100-1400kw vertical coal ...

    Get Price
  • Choosing the best boiler for your buck - Plant Services

    2015-9-9u2002·u2002Boiler wall construction has also changed. Tangent tube walls have been replaced with tube and membrane seal welded walls to eliminate flue gas bypassing from the furnace to the convection zone. The tube and membrane walls are seal-welded and have no opening between tubes. ... Thermal efficiency rates can range from 87% to as high as 97% ...

    Get Price
  • Procurement Oversight Unit Seychelles - Home

    2021-9-12u2002·u2002The aim of the Procurement Oversight Unit is to ensure compliance to procedures and instructions are as laid out in the Public Procurement Act of 2008 and the Public Procurement Regulations of 2014 by the various stakeholders and promote the fundamental principles of: Transparency. Competition. Economy. Efficiency.

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  • by Flemming Skovgaard Nielsen, BWE Paolo Danesi, BWE M.V ...

    heat absorption efficiency of the hanging super heaters is reduced. Subsequently the weight of the pressure part for a tower type boiler will be reduced compared to a two pass boiler.

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  • Circulating Fluidized-Bed Boilers - Babcock

    Circulating Fluidized-Bed (IR-CFB) Boilers. Drawing upon our extensive technical expertise and operating experience, B&W developed the Internal Recirculation Circulating Fluidized-Bed (IR-CFB) boiler which is the technology of choice for power plant owners seeking economy, reliability and flexibility. In addition, load-following capabilities ...

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  • Boiler Water Treatments - Chemicals, Monitoring and ...

    Boiler water chemical treatment coupled with 3D TRASAR technology provides comprehensive boiler water treatment solution mitigating scale and corrosion of the boiler system. Remote monitoring by the System Assurance Center further allows you to focus on profitability of your operations. Connect today with our sales engineers and improve ...

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  • Acm Financials

    Welcome to ACM – your business partner in Seychelles! We are a professional and reliable Service Provider with an objective to serve our clients with efficiency, honesty and integrity. Your One Stop Business Shop. For all of your business needs in Seychelles, trust ACM, one of the leading professional, reliable and goal-oriented service ...

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  • Termination for boiler casing expansion element - The ...

    The invention claimed is: 1. An attachment arrangement for a membrane tube wall of a vapor generator, the attachment arrangement comprising a casing having an edge and an attachment surface near the edge, an extension plate connected to the casing and extending beyond the edge, said extension plate having an attachment surface, an attachment area extending over the …

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