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HENAN HENGAN BOILER GROUP CO., LTD.
— Product —

Electric heating vacuum hot water boiler

  • 0.35KW-2.8KW Specifications: 0.35KW-2.8KW
  • 98% Thermal efficiency: 98%
  • Applicable fuel: electricity
  • 供暖洗浴生活用水 Application: heating, bathing, domestic water

电真空热水锅炉特点以电为加热源,能效高达98%以上。 Product introduction: Electric vacuum hot water boiler features electricity as the heating source, and the energy efficiency is up to 98%. The unit operates under vacuum and the heat medium is in a vacuum state, and there is no danger of expansion or explosion. There is a constant amount of heat medium water stored in the furnace without the danger of dry burning. Multiple automatic protection devices have safety unmatched by other boilers. The heat exchanger is made of high-quality stainless steel, and the once-injected heating medium water runs in a closed state without corrosion and scaling, which makes its service life about two times longer than that of ordinary boilers for up to 20 years. The heat exchanger is separated from the header, and heating water and hot water are supplied to meet the different needs of users for heating water and clean hot water. Modular design, high-performance heat dissipation components, and small unit size make the product easy to transport, arrange, and install; in a small space, multiple units can be used in parallel. Adopt high-quality electric heating tube, with long service life and convenient loading and unloading. The unit operates in a vacuum state, which simplifies various complicated procedures for submitting boiler approval. Touch screen display, virtual keys, Chinese and graphic measuring system operating conditions, online operation guide, fault self-diagnosis, fully automatic operation plus manual operation, one use and one standby; human-machine dialogue. Using high-quality well-known brand electrical components, all components have CCC or CE certification, so that the entire boiler operation is stable and reliable.

24-hour service hotline: 15896709659 (Manager Dong)

Product introduction Working principle Performance advantage Technical parameters

product description

Features of electric vacuum hot water boiler [1] With electricity as the heating source, the energy efficiency is up to 98%. [2] The unit operates under vacuum and the heat medium is in a vacuum state, and there is no danger of expansion or explosion; there is a constant amount of heat medium water stored in the furnace, there is no danger of dry burning; multiple automatic protection devices, with unmatched by other boiler safety. [3] The heat exchanger is made of high-quality stainless steel, and the once-injected heating medium water runs in a closed state, without corrosion and scaling, making its service life about two times longer than that of ordinary boilers for up to 20 years. [4] The heat exchanger is separated from the header, and the heating water and hot water are supplied to meet the different needs of users for heating water and clean hot water. [5] Modular design, high-performance heat dissipation components, and small unit size make the product easy to transport, arrange and install; in a small space, multiple units can be used in parallel. [6] Adopt high-quality electric heating tube, with long service life and convenient loading and unloading. [7] The unit operates in a vacuum state, which simplifies various complicated approval procedures for the boiler. [8] Touch screen display, virtual keys, Chinese and graphic measuring system operating conditions, online operation guide, fault self-diagnosis, fully automatic operation plus manual operation, one use and one backup; human-machine dialogue. [9] The use of high-quality well-known brand electrical components, all components have CCC or CE certification, so that the entire boiler operation is stable and reliable.

working principle

The vacuum boiler forms a vacuum environment with a negative pressure inside the closed furnace body, and fills the body with heat medium water. The heating medium water is heated by combustion or other methods. The heating medium water is heated to generate steam, and the steam heats the water in the heat exchanger tubes through condensation heat exchange to achieve the supply of hot water. Schematic diagram of heat transfer of vacuum boiler: oil, natural gas, gas, electricity-> combustion (electrically converted heat)-> heat medium water-> steam condensation heat transfer after boiling-> heat exchanger-> heat conduction- > The working principle of water vacuum boiler: Utilizing the low boiling point of water under low pressure, it quickly heats the heat medium water filled in the sealed furnace body, so that the heat medium water boils and evaporates out high temperature water vapor, and the water vapor condenses in the heat exchange The cold water in the heat exchange tube is heated on the tube to achieve the purpose of supplying hot water. Standard sea level atmospheric pressure: 1.013 × 105Pa = 101.3kPa, at which time the boiling point of water is 100 ° C; the higher the altitude, the lower the atmospheric pressure, and the boiling point also decreases: Qinghai-Tibet Plateau: average altitude of 4000m, atmospheric pressure is 62kPa, at this time the boiling point of water is 87 ℃; Mount Everest: altitude is as high as 8848m, atmospheric pressure is 33kPa, boiling point is 71 ℃; the vacuum boiler is evacuated to form a low-pressure environment with almost no air, and then uses water to boil under low pressure (lower than atmospheric pressure) at low temperature to generate steam and pass steam water The condensing heat transfer method works on the principle of heat output. Corresponding table of boiling point and vacuum degree of water: Vacuum degree (Kpa) 0 -31 -54 -70 -81 -89 -94 -97 -99 -101 Water boiling point (℃) 100 90 80 70 60 50 40 30 20 0 Vacuum boiler The normal working temperature is lower than 90 ℃, and the vacuum degree is lower than -30kPa. The heat medium water in the vacuum boiler is a high-purity water that has undergone special treatment such as deoxidation and descaling. It is filled once before leaving the factory. During use, the cycle is closed inside the unit (vaporization → condensation → vaporization). It does not increase or decrease. No replenishment or replacement is required during the service life. Therefore, the inside of the vacuum boiler body will never scale and corrode, and the normal service life can reach more than 20 years, far exceeding the service life of ordinary hot water boilers of about 10 years.


Performance advantage

1. The electric heating vacuum hot water boiler has the advantages of corrosion resistance, non-scale formation and long life. 2. Since the interior of the electric heating vacuum hot water boiler is an airtight whole, during operation, the oxygen in the intermediate medium is precipitated and discharged out of the electric heating vacuum hot water boiler. Oxidation corrosion will not occur in the vacuum hot water boiler for a long time. 3. The electric heating vacuum hot water boiler only needs to add a small amount of heating medium water at one time, and it does not increase during operation, so no scaling occurs inside the electric heating vacuum hot water boiler. Increased the life of the boiler, which is 1.5 to 2 times the life of the general boiler. 4. The heat exchanger of the electric vacuum hot water boiler is made of stainless steel tube, which is corrosion resistant and has a designed service life of more than 15 years. 5. The electric heating vacuum hot water boiler has reliable quality, reasonable price and perfect after-sales service, and is well received by users.


Technical Parameters

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