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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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    300 PSI), whereas Industrial applications tend to have high-pressure systems (over 600 PSI). System pressure determines which water treatment chemicals are appropriate for oxygen scavenging. For example, in a high-pressure system, the feedwater quality needs to be very pure and free of dissolved solids to avoid causing scale.Get Price

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    Rifle tube are used to transfer head of fluid before reaching the boiler. Rifled tube is used in high pressure boiler and Power plants in CDS form. Rifled tubes in a conventional boiler provide a larger margin of safety for natural circulation and assisted circulation and many economic advantages. Rifled tube improves boiler efficiency.Get Price

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    It is a type of boiler corrosion, caused by using highly alkaline water in the boiler. In boiler water, it contains a small amount of sodium Carbonate. In high pressure, it decomposes to give sodium hydroxide. Na CO +H O--- 2NaOH+CO 2 3 2 2 o Then this NaOH reacts with boiler material and it forms sodium Ferrate and this leads to brittlementGet Price

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    A boiler generates steam at the desired pressure and temperature by burning fuel in its furnace. Boilers are used in both fossil-fuel and nuclear-fuel electric generating power stations. A boiler is a complex integration of furnace, super heater, reheater, boiler or evaporator, economizer, and airGet Price

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    Chapter 14 - Boiler System Failures. Deaerator Cracking. Feedwater Line Erosion. Economizer Tubes. Failures Due to Overheating. Failures Due to Corrosion. Successful, reliable operation of steam generation equipment requires the application of the best available methods to prevent scale and corrosion.Get Price

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    Jun 01, 2009 · High pressure boilers are designed to produce steam at a specified quality. The quality of steam is very important as otherwise tube failures can happen in boiler and the turbine blades can get damaged causing large availability loss. The pre-commissioning cleaning involves Alkali boil out to remove any oily materials, Acid Cleaning to clean up mill scales and Steam …Get Price

  • Considerations for High Pressure Boiler Chemical …

    drum is a key component of successful internal boiler water treatment. Even a very small amount of transported iron oxide over time can cause problems in boiler systems. Internal Treatment Chemistry for Corrosion Control Phosphate – a general review Most high-pressure industrial boilers with high purity feedwater use a phosphate-based chemicalGet Price

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    Boiler corrosion 3. Boiler troubles: Sludge, scale, priming and foaming, caustic embrittlement, boiler corrosion are collectively known as boiler troubles. A. Caustic Embrittlement: (Inter crystalline cracking of boiler metal) It is the intercrystalline cracking of boiler due to Na2CO3. In high pressure, Na2CO3 undergoes hydrolysis to produce NaOH.Get Price

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    A shop assembled modular steam generator wherein each module includes top supported pressure parts, casing, and a frame structure. These modules are readily transported to a remote construction site and interconnected. Each of the superheater, high pressure boiler, intermediate pressure boiler, low pressure boiler, and economizer sections of the generator comprise …Get Price

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    community gas steam boiler supplier in seychelles. locomotive fuel hot water vacuum fire tube boiler - … A fire-tube boiler is a type of boiler in which hot gases pass from a fire through one or (many) In the locomotive-type boiler, fuel is burnt in a firebox to produce hot along a series of fire tubes, or flues, that penetrate the boiler and heat the water into the smokestack through a Get Price

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    Mar 05, 2019 · It's expressed in Btu/kWh, or how many Btu/hr of energy are needed to generate one kW. For decades, the gold standard … BIOGAS COMBINED HEAT AND POWER PRODUCTION BIOGAS COMBINED HEAT AND POWER PRODUCTION Veselka KAMBUROVA+, Iliya ILIEV+, Angel TERZIEV++ … amounts of animal and plant waste, used for biogas generation, are presented in …Get Price

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    Therefore, internal energy of a system increases when the heat increases (this would be done by adding heat into a …show more content… Carnot cycle work input (analogous to pump work in power plants) is very large, while in Rankine cycle, it is comparatively little. 1.5 Components of high pressure water-tube boiler Parts of a BoilerGet Price

  • Seamless Steel Pipe (SMLS), Carbon Steel Seamless Pipe

    Applies to water, air, heating steam, gas and other low-pressure fluid delivery ASTM A53-98, JIS G3452-1998, JIS G3454-1998, ASTM A106, DIN 1629-1984. Click More. Boiler Pipe. High-pressure boiler tube, Low-medium pressure boiler tube ASTM A179, ASTM A106, JIS G3454. Click More. Line Pipe. API 5L PLS1/2 Line pipe for oil and gas transport Get Price

  • Chapter 10 - Internal Water Treatment Flashcards | Quizlet

    Chelating agents fed to the boiler water: 1) Require close control to prevent corrosion 2) Reduce scale build up within high-pressure boilers 3) Protects against corrosion within the boiler 4) Obtains best results with soft water a. 1, 2, 3 b. 1, 2, 4 c. 1, 3, 4 d. 2, 3, 4 e. 1, 2, 3, 4Get Price

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    structure of steam boilers. How To Make a Donkey Boiler | Hunker. A donkey boiler is a water-heating system installed outdoors. Based on the "donkey boilers" on ships' decks for use when the ships are in port, donkey boilers are an economical way to …Get Price

  • Stress Analysis of High-Pressure Test Vessel

    Stress Analysis of High-Pressure Test Vessel Introduction and Summary The ASME Boiler and Pressure Vessel Code, Section VIII, Div. I (2017), is used to verify the design of a 2 atmosphere (30 psig) test vessel. It is a cylinder and a 0.315-inch and 0.15-inch thick flat heads are attached on each end of the cylinder.Get Price

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    In low pressure boilers: by using a good scale prevention program like phosphate or chelate In high pressure boilers: scale prevention plus internal treatment involving the use of a phosphate program such as coordinated phosphate, congruent phosphate and equilibrium phosphateGet Price

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    This causes in formation of a large amount of steam suddenly. So sudden high-pressure is developed, which may even cause explosion of the boiler. 06. What are the methods used to be prevention of scale formation? Prevention of scales formation: (i). External Treatment – zeolite process (ii). Internal Treatment.- carbonate conditioning. 07.Get Price

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    In higher-pressure boilers, the major deposit removed is magnetite and some copper. The internal surfaces of a boiler in contact with water and steam must be kept clean and free of deposits to Get Price

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    Jun 06, 2015 · For high pressure boilers, in the light of high heat flux, a coordinated phosphate treatment is employed in order to prevent alkali corrosion caused by the concentrated free alkali. The chemicals generally used are : Na 3 PO 4, NaHPO 4, (NaPO 3 ) 6, NaOH etc.Get Price

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    §28-303.3 Inspection of high-pressure boilers. Each owner of a high-pressure boiler, as defined in this code, may choose to have the annual boiler inspection conducted by the department or by a qualified boiler inspector in the employ of a duly authorized insurance company.Get Price

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    MAKE UP WATER TREATMENT zHigh pressure boilers need low TDS & low silica water. zLow TDS is for preventing deposits zLow silica is for limiting silica carryover with steam to turbine. zDM plants are used for bringing down the conductivity to less than 0.5 micro mho /cm & silica below 0.02 ppm. zSuspended solids, organic matter, turbidity are removed Get Price

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    High Pressure Heater(s) Use one or more high pressure feed water heaters to raise the temperature of feed water from de-aerator outlet temperature to the required boiler economizer inlet temperature. The heater drains are cascaded from heater to heater, back to the de-aerator in a fashion similar to the heater drain system for the low pressure Get Price

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    structure of steam boilers. How To Make a Donkey Boiler | Hunker. A donkey boiler is a water-heating system installed outdoors. Based on the "donkey boilers" on ships' decks for use when the ships are in port, donkey boilers are an economical way to …Get Price

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    The treatment and conditioning of boiler feed water must satisfy three main objectives:. Continuous heat exchange; Corrosion protection; Production of high quality steam; External treatment is the reduction or removal of impurities from water outside the boiler. In general, external treatment is used when the amount of one or more of the feed water impurities is too …Get Price