gas fired vacuum boiler supplier

gas fired vacuum boiler supplier

what do you know about vacuum hot water fired vacuum boiler suppliers?

1. What is a vacuum hot water boiler? Answer: so-called vacuum hot water boiler, also called vacuum phase change hot water boiler. When the boiler is working normally, the inner medium pressure of the boiler is lower than the atmospheric pressure, and the cold water is heated by phase change heat. Vacuum sealing inside the body of vacuum hot water boiler, negative pressure combustion of heat medium water, steam exchange between steam and heat exchanger, high heat efficiency, one-time treatment and perfusion of heat medium water in factory, no need to replenish water in operation. The unique design of vacuum hot water boiler has formed the characteristics of safety, stability and so on.

2. The composition and structure principle of vacuum Hot Water Boiler? Answer: the furnace body of a vacuum hot water boiler is divided into two parts: the upper part is a vacuum chamber (negative pressure steam chamber), and a tubular steam-water heat exchanger is installed in the space to heat the circulating water flowing through the heat exchanger. Operation principle: during the operation of vacuum hot water boiler, the heat medium water inside the furnace under negative pressure of vacuum absorbs the heat energy released from fuel combustion, boiling vaporizes into low temperature steam, and the low temperature steam rises to meet the system circulating water in stainless steel heat exchanger. Heating circulating water to the user for heating or sanitary hot water. The water vapor itself is cooled and condensed into droplets falling onto the surface of the heat medium and then heated again, thus completing the whole cycle. Heat medium water The cycle of "boiling = evaporation = condensation = heat medium water" is constantly carried out in the enclosed body, so there is no need to replenish condensate water and there is no danger of empty burning. The condensation heat transfer coefficient of steam-water condensation in vacuum hot water boiler is the highest in all heat transfer conditions.

3. What is a vacuum? Answer: vacuum state does not mean absolute pressure is zero, as long as lower than external pressure, can be called "vacuum". For example: vacuum boiler operating inside the shell is debugged as vacuum and maintained between-375pxHg--76mmHg.

4. What is vacuum? A: vacuum refers to the degree of gas rarity in vacuum, usually expressed as "high vacuum" and "low vacuum". High vacuum means good vacuum, low vacuum means poor vacuum. The value of vacuum degree indicates that the actual value of system pressure is lower than that of atmospheric pressure, that is, vacuum degree = atmospheric pressure-absolute pressure. International standard unit of vacuum: Pa (Pa).

5. Why is heat medium water in vacuum hot water boiler heated in vacuum? Answer: the boiling temperature of water is different under different pressures. Under an atmospheric pressure (0.1Mpa), the boiling temperature of water is 100 ℃, while the boiling temperature of water is 4 ℃ under 0.8Kpa pressure. The vacuum hot water boiler works within the pressure range of vacuum degree 2.67Kpa~66.6 Kpa, and the corresponding saturation temperature is 15 ℃ ~ 85 ℃. Therefore, in vacuum, heat medium water is easy to boil and vaporize.

6. The origin of vacuum hot water boiler? A: the basic principle of vacuum hot water boiler was born in 1972 at Zurich University of Technology. In 1975, Japan's TAKUMA Company developed a vacuum hot water boiler on the basis of the principle, which was patented for invention, and was gradually popularized all over the world. This technology has been developed and developed by Korean enterprises, and South Korean TAKUMA, has appeared one after another.

Art and advantages of the vacuum fired vacuum boiler supplier is what is mainly used for civilian vacuum boiler heating area, it can provide different temperature, different uses of hot water, such as a central air conditioning, hot water, process water, etc., which is a natural trend of development instead of the traditional shell boiler drum. Three times using vacuum boiler configuration, the boiler fouling does not occur, to improve the life of the boiler, the boiler is 1.5 times the normal. Has both installation and easy maintenance features to meet the environmental requirements, does not require full-time inspection and boiler workers. What areas vacuum boiler suit? Generally applicable to hotels, hotels, office buildings, etc., should small footprint, without manual operation, is recognized. The vacuum boiler provided advantages: 1, high safety: vacuum boiler due to their phase transition medium circulating system pressure below atmospheric pressure, the internal unit of absolute pressure 0.02 ~ 0.08MPa, the unit is in a vacuum state, it can not explode. 2. Long life: As the boiler fouling does not occur, thereby increasing the time of the boiler, the boiler is 1.5 to 2 times the time. Stainless steel heat exchanger components while production, to achieve corrosion resistance, the design life of over 20 years. 3, high efficiency: three-way structure, the unique cell structure reburning wet back, to abandon the conventional fire-resistant insulation material, greatly reducing the temperature prior to the smoke chamber of the unit, and high-quality silicate insulation in the machine, the unit of heat losses to the limit. Overall thermal efficiency of 92%. Furnace, can never be long-term efficient operation. 4, the uses of: boiler (also referred to as a hot water unit) provided with a plurality of heat exchangers may be used to supply hot water at different temperatures and uses, such as a central air conditioning water, hot water, hot water process.

Hot water fired vacuum boiler supplier, which is one of the boilers, and is a common and common type, so it is very necessary to familiarize and understand it, because it may be encountered and used in the actual work, so, In order to understand the necessity. The following is through a number of specific issues to carry out this work. In this way, you can also get some expertise from it, not for nothing.

01. What determines the size of the water tank in a hot water boiler? The water tank in the hot water boiler should refer to the water tank used to replenish the boiler pipe network, not directly aimed at the boiler water tank, mainly used to store softened water or deaerated water. And the water tank capacity, is determined by the amount of hot water boiler replenishment. In boiler design, the system replenishment is usually calculated according to 3% ~ 5% of boiler circulating water.

2. Are pressure gauges required in atmospheric hot water boilers? In addition, vacuum gas boiler, is it hot water boiler?

In a number of bidders, the party quickly ready gas water tube fired vacuum boiler supplier with its unique advantages of low nitrogen come out on top; the low nitrogen gas water tube boiler has the following advantages. 1, boiler factory ready, body welding, manufacturing completed in the factory, quality is the best guarantee to ensure the long-term safe and reliable operation of the boiler. 2, a small work site installation, short cycle, the boiler body all-membrane wall structure, effectively reduce heat loss boilers, to improve the thermal efficiency of the boiler. 3, boiler furnace, convection and rational use of two-pass arrangement flue gas velocity, effective control of the flue gas resistance, no fan, lower operating power consumption, energy saving. 4, micro-pressure combustion, the boiler to prevent the air leakage phenomenon, to effectively control exhaust excess air coefficient, reducing heat losses, improved boiler efficiency. 5, with forced water circulation system, the flow rate of each process are selected in accordance with the recommended standard upper limit value, to ensure that the cold boiled heating surface does not occur too, causing water hammer or squib; preventing sedimentation oxygen corrosion and impurities in the water, to avoid heat boiler accident damaged surface;? burner flame, gas overpressure or low pressure, 15 kinds of safety warning and fault protection device leakage protection, gas, comprehensive guarantee safe operation of boilers;? intelligent integration operation control system, with touch-screen operation Dual purely manual control buttons and functions.

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