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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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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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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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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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  • 7.0 Chemical Treatment - Steam Turbine, Steam Boiler

    oxygen scavengers. Oxygen scavengers are reducing agents that react with even the very low levels of oxygen left in water by good deaeration. They are normally added to the storage section of the deaerator, to allow time for reaction before the feedwater reaches the boiler. Low pressure boilers sometimes do not include mechanical deaerators. In Get Price

  • SECTION .0100 - DEFINITIONS 13 NCAC 13 .0101 DEFINITIONS

    (c) "Low pressure boiler" means a boiler in which steam or other vapor is generated at a pressure of not more than 15 psig or water is heated to a temperature not greater than 250°F and a pressure not greater than 160 psig, including the following: (i) "Hot water heating boiler" means a low pressure boiler that supplies heatedGet Price

  • Guide to Boilers - New York City

    Low pressure boilers in mixed-used buildings or commercial buildings H-stamp domestic hot water heaters with more than 350,000 BTUs in residential, mixed-used and commercial buildings. The following do not require an annual inspection: Low-pressure boilers in residential buildings with five dwellings or less;Get Price

  • Boiler Treatment Chemicals - Therminol 55 Boiler Chemicals

    Therminol 55 Boiler Chemicals has high thermal capacity, low viscosity, is low-cost, non-toxic, and chemically inert, neither causing nor promoting corrosion of the circulatory system. Performance features of Therminol 55, Thermic Fluid include, Excellent heat transfer properties, vapor phase heat transfer medium, low viscosity, precise temperature-controlling performance.Get Price

  • Inorganic Oxygen Scavengers: Explaining Common Varieties

    Hydrazine. A volatile, inorganic oxygen scavenger. Applicable for use in high-pressure steam boilers. As a volatile oxygen scavenger, it carries a higher use cost (compared to non-volatile scavengers), but is generally cheaper than all other volatile scavengers. Works well as a metal passivator. Does not add dissolved solids to the water.Get Price

  • Deaerator – Purpose, Principle, Types, Process Control

    Sep 15, 2020 · Deaerator uses Low pressure steam from the process plant at a pressure range between 0.5 to 1.5 bar. The low pressure steam sources may be any one of the following: Extraction from back pressure turbines, Flash steam recovered from Boiler blow down or Letdown steam from High pressure steam header through pressure reducing valve.Get Price

  • Water-tube Package and Industrial Boilers - Babcock & Wilcox

    Furnace wall water cooling – eliminates refractory and related maintenance. Gas-tight setting membrane – inhibits dew-point sulfur corrosion and outages caused by gas leaks. Rugged steel-based frame – supports boiler and allows jacking and skidding. Outer lagging – galvanized, weather-tight for outdoor installations. Drum internals – ensure positive circulation, low …Get Price

  • Recovery Boiler Water Treatment: January 2007 | PDF

    A In the 1992 guide for low boiler water pH values, a 20% maximum pH for immediate removal from service of 11.5 reduction in load was recommended below a pH of 8.0 and to 13 is suggested herein, depending on the boiler pressure a 40% reduction in load was recommended below a pH of and degree of concentration at tube surfaces.Get Price

  • Water Handbook - Preboiler & Industrial Boiler Corrosion

    The pH or alkalinity level maintained in a boiler system depends on many factors, such as sys-tem pressure, system metals, feedwater quality, and type of chemical treatment applied. The corrosion rate of carbon steel at feedwater temperatures approaches a minimum value in the pH range of 9.2-9.6 (see Figure 11-9).Get Price

  • POWER BOILERS ASME SECT. I & POWER PIPING ANSI/ASME …

    have a pressure rating of not less than the pressure required to feed the Boiler but never less than 100 PSI. (B31.1 Para. 122.1.3) 3. The water feed line shall be equipped with a check valve and stop valve (between boiler and check valve), which may be a ball, cock, gate, or globe type valve. When the MAWP does not exceed 200Get Price

  • Take Better Care Of Your Low-Pressure Boiler | Chemical

    Feb 08, 2021 · A proper water treatment program is essential. Many plants use low-pressure boilers to produce process steam for various applications, including heat for chemical reactors, evaporators, building spaces, etc. Often, sites pay less attention to the chemistry programs for these steam generators than to those for high-pressure units.Get Price

  • Boiler Boiler – – Fundamentals Fundamentals and Best

    By: Boiler – Fundamentals and Best Practices Boiler - Fundamentals Steam production and steam uses Steam purity and steam quality Types of boilers Basic boiler principles Basic boiler calculations Steam Production and Steam Uses Steam Production When heat is added to water, its temperature rises at a rate of 0.56°C (1°F) for each heat input of 2.095 kJ/kg (1 Btu/lb) If we …Get Price

  • Chapter 14 Boilers - Pearson

    May 02, 2000 · This is a brief discussion on low-pressure steam boiler chemistry. It provides dry kiln boiler operators the tools to maintain an efficient and effective boiler chemistry program. The main goal of this discussion is to provide these tools to operators so that they will be able to detect and prevent problems with their boilers and kilns preferablyGet Price

  • Boiler feed water - sk4education.com

    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

  • EC: Lesson 11. Scale and sludge formation in boilers

    (2) Lowering of boiler safety : Due to scale formation, over-heating of boiler is to be done in order to maintain a constant supply of steam. The over-heating of the boiler tube makes the boiler material softer and weaker and this causes distortion of boiler tube and makes the boiler unsafe to bear the pressure of the steam, especially in high-pressure boilers.Get Price

  • Types and Classifications of Industrial Boilers

    Boiler Basics 101: Types of Boilers - Boiler Blog | Nationwide Boiler Inc. …Get Price

  • Low, Medium and High Pressure Boiler Tube - Permanent Steel

    Sep 21, 2020 · ②High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, air guide tubes, main steam tubes, etc. of high-pressure and ultra-high-pressure boilers. The supply and demand trend of the high-pressure boiler tube industry is generally stable, but the supply and demand situation of each specific sub-industry Get Price

  • Does the Boiler Tube have Welded Steel Pipe?

    Jan 24, 2022 · This welded boiler pipe is suitable for welded steel pipes for heat exchangers and medium and low pressure boilers, but not for stainless steel welded steel pipes. The outer diameter D of the steel pipe is not more than 305mm, the wall thickness S is not more than 8mm, and the usual length of the steel pipe is 2000-18000mm. 3.Get Price

  • GA - GAC - Georgia

    All low pressure steam heating, water heating or hot water supply boilers as described in Rule Kefid-.02 must have a type "B" vent. The vent must be double wall galvanized or other corrosion resistant material, or as specified by the boiler manufacturer.Get Price

  • Boilers - University of Alabama

    Sep 06, 2020 · There are different types of water tube boilers on the market such as D-type, M-type, O-type, Flex-tube, Low Water Content, etc. Almost all types of boilers in power plant uses the water-tube design since it is capable of operating at higher pressures. Plus, almost all types of marine boilers have this design as well.Get Price

  • Why does my boiler keep losing pressure? 4 most common

    Feb 10, 2022 · Why your boiler keeps losing pressure - 4 common issues that could send bills spiralling INEFFICIENT boilers can send your energy bills spiralling. Here are the four common issues you should watch Get Price

  • Water Handbook - Steam Purity | SUEZ

    a Reprinted (with permission) from "Boiler Water Limits and Steam Purity Recommendations for Watertube Boilers," American Boiler Manufacturers Association, 1982.. b Actual values within the range reflect the TDS in the feedwater. Higher values are for high solids; lower values are for low solids in the feedwater. c Actual values within the range are directly proportional to the actual …Get Price

  • Boiler Operator License FAQ 11306 - Ohio Department of

    There are 3 different types of licenses which are "Low Pressure Boiler Operator", "High Pressure Boiler Operator", and "Stationary Steam Engineer". Although the requirements for training and experience differ from license to license, in general a person must: • Submit a …Get Price

  • The Vitomax low pressure hot water boiler | Viessmann

    Vitomax industrial/commercial low pressure hot water boilers are designed for performance, reliability and efficiency. A range of cutting-edge features combined with proven technologies ensures that they are consistently able to meet and exceed individual customer requirements in a broad range of applications including residential, commercial, industrial, new build and …Get Price

  • Important Questions and Answers: Water Technology

    Caustic Embrittlement. = Intercrystalline cracking of boiler metal . 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 2 CO 3 + H 2 O --- 2NaOH + CO 2Get Price

  • Steam Boiler Lab Experiment

    SATURATED STEAM - THE MARCET BOILER - TecQuipment. The TD1006 Marcet Boiler is a simple experiment to show the relationship between pressure and temperature for saturated (wet) steam for comparison with published results The apparatus consists of a rigid frame containing an insulated pressure vessel (boiler) and an instrumentation and control unit The …Get Price

  • Boiler Water Chemicals | Steam Boiler Water Treatments

    Phosphate treatments are used in low pressure boilers to help prevent scale formation and in high pressure boilers as pH control agents. When used to prevent scale formation, they should be used in conjunction with a polymer sludge conditioner. Corroban 64 – Phosphate/polymer blend (FDA) Corroban 65 – High polymer/phosphate blend (FDA Get Price

  • VA 23 52 39 Low-Pressure Steam Boilers

    2. when specifying low pressure steam boilers for steam demands below 293 kw (30 boiler hp or 1,000,000 btu/hr), the designer must ensure that adequate competition exists between at least three manufacturers. check with local vendor representatives about the availability of low pressure steam boiler types in these smaller sizes.Get Price

  • Section 23 52 25 - LOW-PRESSURE WATER HEATING BOILERS

    Maximum lock-up pressure 1.5 times regulated pressure. Speed of response to opening of automatic safety shut off valves shall be sufficient to allow set pressure of low pressure switch to be within 20 percent of the normal operating pressure with no nuisance burner trips. Construction, Main Valve: Cast steel body, replaceable plug and seat.Get Price

  • Boiler – Fundamentals and Best Practices

    The Low Pressure Boiler Operator must be able to identify the types of heat transfer, define combustion, and the types of combustion such as complete, perfect and incomplete. Also be able to identify the types of draft for combustion and how they are produced. 1.4 Air The Low Pressure Boiler Operator must be able to determine the amountGet Price

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