gas fired vacuum boiler

gas fired vacuum boiler

First Affiliated Hospital of Bengbu fully implement the national environmental protection policies, strict screening of clean fired vacuum boiler as the supply of medical supplies disinfection and ward heating equipment. Fast boiler with its focus on research and development of clean-type gas boiler two decades of experience in the industry favored. The partnership, to provide fast boiler First Affiliated Hospital of Bengbu Medical College, a WNS20-1.25-YQ one condensing steam boiler, in terms of design, manufacture, installation and other aspects of strict checks to enhance the thermal efficiency of the boiler as well as truly Energy saving and environmental protection.

Gas fired vacuum boiler vacuum boiler describes a vacuum heat medium to rely on evaporation and condensation boiling mass transfer heat exchanger to heat the feed water heat exchange apparatus. Of water at different pressures, different boiling points. Atmospheric boiling point of water is about 100 ℃, and its boiling point at a pressure only 7mmHg 5 ℃. Vacuum boiler working pressure range of 200mmHg-500mmHg, corresponding to the water temperature was 66-90 ℃. Vacuum boiler composed of two parts evaporator heat exchanger and the condensing heat exchanger. An evaporator heat exchanger and the combustion boiler is provided with convection heating surface, fuel released by combustion heat of the heat-generating medium the corresponding saturated vapor pressure. Vapor rises to the condensation in the condenser section is condensed releasing latent heat of vaporization to transfer heat to the heat exchanger for hot water, the hot water heated to a certain temperature to the heat user, the condensed condensate returned to the evaporator transducer vaporization heat in the evaporator, this cycle continuously supplying heat to the outside world. Safe and reliable: Vacuum boiler always run under negative pressure, no danger of explosion, part of a separate heat exchanger can be pressure 1.6MPa pressure, and stable operation, a significant feature of atmospheric pressure boiler and can not be compared. Efficiency: self-developed integrated heat storage cluster rotation and multi-zone multi-chamber heat exchanger technology, a substantial increase in thermal efficiency, the left and right exhaust gas temperature 100 ℃, than similar fuel gas boiler energy saving up to 25%. Durable: indirect heating method of production of hot water, hot water and the heat medium independently, to avoid fouling the machine body (water side heat medium), the vacuum furnace body and the furnace oxygen-free environment to eliminate oxygen corrosion in vivo, combined with self-developed double buffering module flat conducting structure, thus extending the life of the boiler. Multi-purpose: to provide simultaneous multiple different temperatures of hot water, to meet the various needs of users central air-conditioning, heating, sanitary hot water, high-level swimming pool, guest houses, hotels and other hot water supply, process water is also available for all types of industrial and mining enterprises . Ultra-fast: the ignition system to work about 20 minutes. Set diverse places: the installation location choose basement, floors, intermediate floors and roof, etc., saving the land for construction. No need to qualification: the boiler is not a "boiler and pressure vessel safety regulations," the specified range, without operator qualification. Automatic Temperature Control: the hot water outlet temperature can be freely set in the range ≤90 deg.] C, the microcomputer energy can be automatically adjusted according to the heat load, the hot water temperature control in the most optimal state. System design is simple: the hot water heat exchanger by indirect heat medium heating water directly supplied to the user, the system can reduce the heat exchangers and other components, making the system simpler design. Simple operation and maintenance: vacuum hot water boiler control microcomputer Chinese man-machine dialogue, to set free the opening, off time, stepless temperature setting switch with removable water heating system configuration, while the front opening, the smoke box structure, and all of the smoke tube joints can be visible and easy inspection, maintenance. Environmental compliance: the design of the boiler using the burnout rate and the rate of heat transfer multi-zone multi-room eddy current rotary heat exchanger technology to improve fuel gas, with imports of brand-name European burners, fuel combustion more fully, low noise, NOx emissions a minimum amount in the same boiler, in full compliance with increasingly stringent environmental requirements.

What are the advantages slip parameter Henan gas fired vacuum boiler unit? Henan gas boiler and turbine generator and start, while boosting boiler ignition, a low boiler parameters using superheated steam turbine to warm up increases the speed with load. Since the Turbo is warm start parameters steam temperature in the case of changing the vapor pressure and the like. Increases the speed. And a small amount of network and receiving the load, so called sliding start parameters, also called kit or unit is started. Many advantages: (1) start with the machine compared furnace separately, from the start to the unit with a full load, the time required is greatly reduced. Each turbine and boiler start-up time required, Henan gas boiler steam turbine start-up and the time required for the individual. And the time required for the steam turbine startup parameter sliding substantially equal to the time required for a single start, even shorter. (2) Since the parameters of the low initial start Henan gas boiler superheater outlet exhaust steam is used to warm recovered heat increases the speed and working fluid losses and part load, caused by exhaust. (3) warm the pipe warm lower pressure and temperature steam, thermal stress is much smaller than with the higher steam temperatures and pressures warm the pipe warm. (4) started separately, since the initial rise fire, the steam superheater is not cooled, burn-out to prevent overheating, you must limit the amount of fuel entering the gas boiler Henan. And slippery start parameter, starting with a vacuum in the condenser, soon there superheater steam cooling, Stokes speed can be significantly faster. At low pressure, large volume flow in the steam superheater, superheater tubes is not as small as the exhaust flow rate (about 15% to 20% of the rated evaporation), the flow rate variation when thermal image is generated individually activated deviation. (5) Sliding Parameters, Henan gas boiler starts to meet the requirements of the turbine increases the speed of the warm-up, because of the time needed to start a steam turbine is sufficient for the boiler. Adjusting the intensity of combustion boiler can be used (i.e., a control quantity of fuel into the furnace) to control starting conditions. When sliding pressure starting, due to the large volume flow of steam, it is advantageous to improve the water cycle and steam drum wall temperature difference from top to bottom.

Note vacuum hot water fired vacuum boiler vacuum boiler running what is the formation of a negative pressure in the vacuum environment inside a closed furnace, widely used in hotels, residential, commercial applications such as heating, sanitary hot water heating, and other fields. Since the inner pressure when the furnace is always working in a vacuum, and so the higher heat exchange efficiency. At the same time, the unique design of the vacuum boiler safer. During use, if the pressure exceeds the external atmosphere, the unit will automatically cut off power, when the water level will fail alarm. In order to better protect the boiler, ensure that the boiler safety, should pay attention to the following aspects: caveats vacuum hot water boiler 1, before each run vacuum boiler boiler gas pressure conditions must be checked to ensure that pressure is normal if you have to pay attention to water pressure can only keep a small fire, because the fire under the pressure of six thousand mpa run stagnation pressure may be due to lack of time - 6000 mpa. 2, when using the vacuum boiler, water is also noted that the heat medium and the home heating medium water pressure and temperature, and to ensure that the pipeline valve is opened to prevent any valve out of the water heat exchanger branches off, because the resulting expansion E principle and the principle of thermal expansion will shrink far more than the quota. Determine the scope of work, resulting in an explosion, resulting in serious accidents boiler scrapped. 3, vacuum boilers in all normal operating conditions, we must first pay attention to the normal operation of the pump, carefully observe the vacuum pump outlet pressure and sound, and then open the boiler control power in the case of confirming that no abnormal operation. Be careful not to turn off the power of the vacuum pump. 4, when the vacuum boiler operation, to be noted that the parameters set on the sensor screen to ensure that the water temperature of the boiler, an outlet temperature control, control of the temperature difference between the flame and the conversion temperature can meet application requirements.

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