industrial vacuum hot water boiler prices in china

what do you know about industrial vacuum hot water boiler prices in chinas?

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.

What hospital do with the gas boiler? Gas-fired boilers for hospitals is generally used to supply steam to sterilize or to provide hot water for heating the hospital, a gas boiler to provide steam and hot water simultaneously to meet different needs, but it needs to install heat exchangers achieve. Hospital of Zhengzhou City, a large, began to replace coal-fired boilers to gas-fired boilers to meet the energy saving policies. Hospital which model is more appropriate Gas boiler Xiao Bian recommended several:? WNS4-1.0 / 184-Y / Q, SZS10-1.25 / 350-Y / Q, both gas-fired boiler is a single drum, a double boiler tube, the hospital according to the actual amount of steam heating area, need to use to determine the tonnage of the boiler. WNS and SZS different models, provided with a vapor pressure hot water temperature is also very different. Make sure to choose to use that does not waste as needed. Square Co., Ltd., Henan fast: Henan square quick Co., Ltd., founded in 1945, specializing in the design and manufacture of industrial boilers more than 70 years, fast Henan party shares from the beginning of the coal-fired boilers, circulating fluidized bed boiler experience, waste heat boiler , raw materials development and manufacturing of boilers, to the current fuel gas boiler with a vacuum if you are interested in our products or have questions, you can communicate with us online by clicking the online consultation.

Central heating hot water boilers for heating in winter is an important measure in most parts of China. Hebei Guan China Fortune Foundation Limited mainly engaged in real estate projects, is a leading industrial town operators. Heating service is primarily aimed at the Group's residential housing and other real estate. With the full open sky Battle, continue to improve the proportion of clean heating, heating for the implementation of clean energy, China Fortune Foundation to purchase much-needed high performance hot water boiler clean and green products. After comparing a number of boiler plants, the best of the best, determined to cooperate with the fast boiler in abundant clean energy R & D experience in boiler party. Providing fast boiler SZS Series 2 gas hot water boiler according to the actual needs, respectively 58MW and 29MW.

Vacuum hot water boiler fuel gas introduced fuel gas industrial vacuum hot water boiler prices in china uses water at different pressures, the boiling temperature characteristics differ to perform work. At one atmosphere, the boiling temperature of water is 100 deg.] C, vacuum hot water unit is operating in the pressure range below -0.02Mpa, corresponding to the heat medium water temperature is below 93 deg.] C, the hot water unit working in vacuo under pressure, the combustion temperature of the heat medium water saturation temperature to rise, and the steam generated in the water at the same temperature. At this time, through the heat exchanger (heating or hot water) inside the water, the cold water in the steam tube outer tube is heated in hot water, and passed to the user, and the water steam outside the pipe is cooled when the water is condensed back to water drops heating, thus completing the cycle. Categories; vacuum boiler is mainly classified by the fuel, which can be divided into electrically heated vacuum boiler, vacuum boiler fuel, gas steam boiler, coal-fired boilers in vacuo. Advantages: 1, low-temperature boiler operation under negative pressure, safe and reliable. 2, built-in stainless steel heat exchangers, high heat transfer efficiency, clean water. 3, the built-in rope stream smoke tube sheet, increasing the heat transfer effect, make the structure more compact. 4, imported burner, combustion efficiency, noise, emissions extremely low countries and regions requires a class. 5, a square overall configuration, overall spraying, compact appearance. 6, smoke tube equipped with a helical spoiler, heat strengthen, improve boiler efficiency and reduce operating costs. 7, the indirect heating: main body of negative pressure, the system pressure. 8, large furnace technology: effectively increase the unit radiant heating area, reducing NOX emissions. 9, boiler water with high water, ensure that the internal furnace never scaling, corrosion. 10, boiler and heat exchanger integrated design, saves space and greatly reduce floor space. 11, the use of shell type three return all wet back structure, dynamic heating, heat sufficiently. 12, always run under negative pressure, never inflated the risk of explosion, with safety and reliability atmospheric pressure boiler has unmatched. 13, automatic control system, no special duty. 14, imported burner, combustion efficiency, noise, emissions low. 15, the pulse level detection circuit of a unique structure, reliable performance. 16, inlet / outlet water temperature display makes it easier to grasp the boiler operating conditions and systems. 17, using centrifugal glass wool advanced multilayer insulation, heat loss. Scope: a heat source for heating, ventilation and air-conditioning heat load. Especially suitable for use where the boiler must be set in the building. Choice points: a vacuum hot water boiler The main control parameter is selected rated thermal power, the thermal efficiency of the boiler design, maximum water temperature, fuel type and the like. 2. The thermal efficiency of the chosen design should not be below the lower limit specified in (JB / T10094-2002) "industrial boiler General" (Table 1), and energy-related standards prescribed value.

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