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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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When is an unfired steam boiler not a heat exchanger

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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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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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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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  • Table of Contents - Texas Department of Licensing and

    (24) "Steam heating boiler" means a boiler designed for operation at pressures not exceeding 15 pounds per square inch. (25) "Unfired steam boiler" means an unfired pressure vessel in which steam is generated. The term does not include: (A) vessels known as evaporators or heat exchangers; or (B) vessels in which steam is generated by using the Get Price

  • Question: Which of the following is not an unfired

    (d) The relieving capacity of safety valves on unfired steam boilers shall not be less than the maximum generating capacity of the unfired steam boiler as certified by the manufacturer. (e) On new installations and where the orifice size of an existing unfired steam boiler or evaporator is increased, an accumulation test shall be made by closing all steam outlet connections except …Get Price

  • Boiler Efficiency - Clayton Industries Boiler and Steam Basics

    While the thermal efficiency of the heat exchanger is an important factor, its importance lies in its contribution to the fuel-to-steam efficiency. While the terms simple efficiency and thermal efficiency are not meaningful for comparing one boiler to another, the terms combustion efficiency and fuel-to-steam efficiency are meaningful.Get Price

  • Boiler/unfired pressure vessel status service. shall mean

    which includes a heat exchanger used to transfer heat to water from an external source. The requirements and limits • "Unfired steam boiler" shall mean a pressure vessel in which steam is generated by an indirect application of heat. It shall not include pressure vessels known asGet Price

  • Waste Heat Recovery | TLV - A Steam Specialist Company

    Using a principle similar to economizers, waste heat boilers recover heat generated in furnaces or exothermic chemical reactions at industrial plants. These locations may contain significant energy that should not be wasted up a stack. Instead, this energy can be captured to generate low-to-medium pressure steam in a waste heat boiler (WHB).Get Price

  • Clayton Steam Boiler Heat Exchanger - Clayton Industries

    Clayton Steam Boiler Heat. Exchanger. A counterflow monotube Heat Exchanger is at the heart of Clayton's design. Heat is transferred from the combustion gases to the feedwater via this unique spiral-wound coil. The coil is designed to control the water flow inside the tubes and the air flow over the tubes. To maximize heat transfer, the coil Get Price

  • A Detailed Design Procedure for Solar Industrial Process

    presence of a heat exchanger or the particular effects of an unfired-boiler or flash-steam system (Fg = 1 for a direct hot water system with no heat exchanger) DeWinter heat exchange factor average annual irradiation: total hOri­ zontal for flat plates and evacuated tubes, direct normal for troughs (W/m2) beam irradianceGet Price

  • ASME Boiler and Pressure Vessel Code

    boilers, heat recovery steam generators, and certain fired pressure vessels to be used in stationary service; and power boilers used in locomotive, portable, and unfired. This pressure may be obtained from an external source or by the application of heat from a direct or indirect source, or any combinationGet Price

  • Boiler and Unfired Vessel Regulations

    When is an unfired steam boiler not a heat exchanger? - Boiler and Pressure …Get Price

  • What is an Unfired Pressure Vessel? - Definition from

    Define Unfired steam boiler. means a pressure vessel in which steam is generated by an indirect application of heat. It shall not include pressure vessels known as evaporators, heat exchangers, or vessels in which steam is generated by the use of heat resulting from the operation of a processing system containing a number of pressure vessels, such as used in the manufacture …Get Price

  • Shell and Tube Heat Exchangers & Unfired Boilers

    Feb 25, 2014 · An unfired pressure vessel is any type of pressure vessel that is not fired. This means that they are not exposed to combustion or burner fire. Since it is an unfired vessel, there is a lesser risk of overheating. Unfired pressure vessels are very helpful in preventing corrosion by being an instrument of heat exchange.Get Price

  • RULES OF THE TENNESSEE DEPARTMENT OF LABOR AND …

    Jul 01, 2021 · (l) "Unfired steam boiler" means an unfired pressure vessel or system of unfired pressure vessels intended for operation at a pressure in excess of 15 psig steam for the purpose of producing and controlling an output of thermal energy. See ASME Code, Section I Preamble and Section VIII, Division 1, U-1(g)(1).Get Price

  • HEALTH AND SAFETY CODE TITLE 9. SAFETY SUBTITLE A …

    (25)AA"Unfired steam boiler" means an unfired pressure vessel in which steam is generated. The term does not include: (A)AAvessels known as evaporators or heat exchangers; or (B)AAvessels in which steam is generated by using the heat that results from the operation of a …Get Price

  • Overpressure Protection of Pressure Vessels

    UG-125(b) Unfired steam boilers equipped with Internal failure of high to low pressure side in a heat exchanger. Usually modeled as complete break of a single tube (flow area is the internal area of two tubes) Section VIII OPP . Potential for OverpressureGet Price

  • Rules of Department of Public Safety - Missouri

    heat exchanger surfaces used for the recovery of waste heat. (I) Steam heating boilerŠA steam boiler for operation at pressures not exceeding fif-teen (15) psi. (J) Hot water heating boilerŠA boiler in which no steam is generated, from which hot water is circulated for heating purposes and then returned to the boiler, and which oper-Get Price

  • When is an unfired steam boiler not a heat exchanger

    When is an unfired steam boiler not a heat exchanger? - Boiler and Pressure …Get Price

  • HEALTH AND SAFETY CODE CHAPTER 755. BOILERS

    (24) "Steam heating boiler" means a boiler designed for operation at pressures not exceeding 15 pounds per square inch. (25) "Unfired steam boiler" means an unfired pressure vessel in which steam is generated. The term does not include: (A) vessels known as evaporators or …Get Price

  • An Introduction to Closed Industrial Water Systems

    except that a fired or non-fired heat exchanger is used rather than a chiller. Hot water boilers (fired and unfired) differ from steam boilers described in Chapter 3 because hot water boilers: • Provide heated water but do not generate steam.Get Price

  • EXCERPTS FROM: ASME BOILER AND PRESSURE VESSEL …

    tion of heat resulting from the combustion of fuel (solid, liquid, or gaseous) shall be classed as a fired steam boiler. Unfired pressure vessels in which steam is generated shall be classed as unfired steam boilers with the following exceptions: …Get Price

  • 46 CFR § 54.15-15 - Relief devices for unfired steam

    Nov 28, 2017 · An unfired boiler requires a phase change obviously, but doesn't burn the fuel directly to create the hot gasses that are one side of the heat exchanger (boiler) tubes. A classic example is the waste heat recovery boilers at the ends of gas turbine power plants that boiler water. An evaporator expects (requires) a phase change in the heated fluid.Get Price

  • Spokane Municipal Code - Section 17F.030.020: Definitions

    "Unfired steam boiler" means a pressure vessel in which steam is generated by an indirect application of heat, not including pressure vessels known as evaporators, heat exchangers or vessels in which steam is generated by the use of heat resulting from the operation of a processing system containing a number of pressure vessels, such as used in Get Price

  • Steam to Steam Heat Exchanger | Clean Steam generator

    ACCESS TO REQUEST FORM . The clean steam generator is use to avoid chemicals normally use in steam water treatment, in steam injection process such as humidification and sterilization.It is basically a shell and tubes steam to steam heat exchanger design to use higher steam pressure from the steam boiler and generate lower clean steam pressure for the process.Get Price

  • What is a heat exchanger in a boiler? - Viessmann

    A non-condensing boiler only has one heat exchanger. While this may not necessarily seem like a bad thing, the waste gases that exit the boiler flue could reach up to 250°C. This is wasted heat that could be recycled and used in the system to reach maximum efficiency.Get Price

  • WAC 296-104-010

    :"Unfired steam boiler" shall mean a pressure vessel in which steam is generated by an indirect application of heat. It shall not include pressure vessels known as evaporators, heat exchangers, or vessels in which steam is generated by the use of heat resulting from the operation of a processing system containing a number of pressure vessels, such as used in the manufacture …Get Price

  • Unfired steam boiler Definition - Law Insider

    Chapter 3a. Boiler And Unfired Pressure Vessel RegulationsGet Price

  • Boiler Safety - Rule Review Adoption

    (69) Unfired Steam Boiler--An unfired pressure vessel in which steam is generated. The term does not include: vessels known as evaporators or heat exchangers; or vessels in which steam is generated by using the heat that results from the operation of a processing system that contains a number of pressure vessels, as used in the manufacture of Get Price

  • Unfired steam boiler Definition - Law Insider

    Chapter 3a. Boiler And Unfired Pressure Vessel RegulationsGet Price

  • Boiler/unfired pressure vessel status service. shall mean

    Unfired steam boiler--An unfired pressure vessel which generates steam for power or heat to be used externally to itself. Heat exchangers must comply with § 3a.167 (relating to hot water/steam heat exchangers) when the heat exchanger operates at 16 psi or greater, and has 5 cubic feet OR MORE of volume not allowing for channel or tube nest Get Price

  • Texas Administrative Code - Secretary of State of Texas

    (73) Unfired Steam Boiler--An unfired pressure vessel in which steam is generated. The term does not include: vessels known as evaporators or heat exchangers; or vessels in which steam is generated by using the heat that results from the operation of a processing system that contains a number of pressure vessels, as used in the manufacture of Get Price

  • California Code of Regulations, Title 8, Boiler and Fired

    3312. 4 Entering Combustion Chambers, Flues, Boilers or Unfired Steam Pressure Vessels. (a) Before employees are allowed to enter, through a manhole, the shell or drum of a steam boiler or an unfired steam pressure vessel for maintenance or repair, where such a boiler or pressure vessel is one of a battery of two or more boilers or vessels or Get Price

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