gas fired vacuum water boilers for sale

The principle of a vacuum hot water boiler, hot water boiler works vacuum: a vacuum hot water boiler had already appeared in the early 1970s, first in the finished product is available in Japan. Development of domestic hot water boiler in a vacuum there are some manufacturers in the late 1980s, but due to technical issues, has not been promoted. Now that Japan has more mature models in China has also been a joint venture factory, the author is the choice of a dual-loop vacuum hot water boiler of the plant. The structure of vacuum hot water boiler, by the combustion chamber (furnace), water, vacuum vapor chamber, heat exchanger, heat medium consisting of water or the like. Vacuum state within the body, from the outside air, a sealed state is formed. HTM furnace and covered with water in a sealed tube and within the body, by the pressure of the negative pressure in the steam chamber is maintained below atmospheric pressure, when the heat medium water confined in the inner combustion heating, boiling up immediately, generating heat medium water steam of the same temperature. Steam generated in the machine during the ascent, the contact surface of the heat exchanger is disposed in the negative pressure of the steam chamber, since the water temperature in the heat exchanger is lower than the steam temperature, steam condenses on the heat exchanger surface and release a large heat of vaporization , the water heating heat exchanger, the condensed water under the action of the policy back to the heat medium water again. Accordingly, the heat medium water is constantly "boiling evaporated = = = heat medium condensed water" in a closed loop body. No need to supplement the condensed water, no air burning danger. Water heat exchanger is supplied to the user for heated sanitary hot water and air conditioning. To ensure the reliability of the vacuum hot water boiler operation, the three manufacturers to ensure: 1. In order to ensure a degree of vacuum inside the boiler, at the factory to create a rigorous inspection, the quasi gas leak detection, to ensure that the production process boiler airtight tank. To maintain the degree of vacuum, and to prevent the event, the plant is equipped with a standard suction pump. When the vacuum tank hot water boiler body, the heat medium water is heated to 90 ℃, according to the degree of vacuum exhaust pump automatic operation of the tank, not only the air out of the tank, also the presence of dissolved oxygen in water to remove the heat medium, to keep certain negative pressure, produced inside the tank will not corrode. 2. The heating medium water through a special manufacturing plant impurity, oxygen, water softening treatment, in the production of disposable infusion, can be recycled at runtime, without generally no special filling. I visited the plant in the design of the user survey, a Shanghai Electrical Machinery Plant, 87 years put into operation a vacuum hot water boiler, use a decade overheated media never raise water, which can still work normally. 3. The heat exchanger of the boiler with special requirements, using SUS444 stainless steel tube, which requires a special process during tube processing. The tubing is difficult to furring, high heat transfer efficiency, will not rust, the heat exchange tubes in a more than ordinary quality restrictions, flow rate.

Huaihua City gas boiler vertical type vacuum pick our vacuum boiler selection process, you will encounter many questions. Here, the authors elaborate on with the public. Vacuum boiler cost is the cost of the host vacuum boiler, burner costs and accessories (water supply pump, control panel, valves) the cost thereof. The root causes affecting the boiler cost vacuum, bear with: Gap brand, manufacturer, production capacity skills, inspection, planning, selection and other steel products. Inside, a very important root causes such as the following: a, gas steam boiler manufacturers of the strength of the manufacturers of the strength is likely to affect, the quality of the product. Because, for a powerful companies, not only to capture the market weight more weight, occupy the right amount of experience. Moreover, Moreover, the level of professional design products. Planning levels will directly impact on the quality of the product is enormous. Affected, with the fluency of the following products, energy-saving, reliable nature, extent, and convenience. Second, the choice of good or bad metric steel, steel is the cornerstone of production capacity. Professional formal standard steel, sealed vacuum boiler is to ensure a smooth and effective. Many second-tier brands with the use of substandard or not up to standard steel, there will be a vacuum boiler products, poor fluency, large operating costs, while there reliable fault for the user to say, even when the purchase cost less, but Suizhudanque. Third, when the degree of production automation equipment vacuum boiler production capacity in the manufacturing, cutting, coil, fuse, very important skill. These three skills, both compared to the former workers through manipulation, automated production equipment, the advantage is very obvious. Due to automated manufacturing, it would be more accurate, less deviation. This also big brand vacuum boiler products, superior brand of small important thing because. Due to its production capacity in return, more then fit the planning level, to achieve the best use of formal standards. d, the step of detecting some domestic manufacturers, there is no vacuum boiler through rigorous product, manufactured assessment evaluation. Stress test ended, as professional products. Here is the working methods irresponsible. Professional checking step comprising at least: Stress test test test inert gas, welding gap inspection, inspection of the seals, and factory test run. Indispensable, even-handed. Only so, only to grasp the professional user to ensure delivery of products, allows users to use the time following, reduce non-compliant products have caused, directly affect the user's normal production activities. 5, a large part of the sale of second-tier brands, good or bad, there is no after-sales. Full service entrusted to the agents responsible. But a majority of the dealer, not a professional team of professionals. After the cause does not meet the standards will result in non-stop prevaricating, or simply can not be achieved with the consequences. The above is a vacuum boiler costs, direct influence of roots. Normally, good, excellent vacuum boiler product costs, plus a host vacuum boiler burner, in almost every 700KW, pick up million and about.

To better implement the important speech on the 30th anniversary of the General Assembly Special Economic Zone Xi Jinping, General Secretary Xi Jinping and ecological civilization idea of ​​celebrating to do in Hainan Province, fully implement the "CPC Central Committee and State Council guidance on the full support of Hainan, deepening reform and opening," "CCP central State Council on the overall strengthening of environmental protection and resolutely fight pollution prevention campaign of view "and the spirit of the national Assembly ecological and environmental protection, pollution prevention and resolutely fight tough fight, to promote the construction of national ecological civilization pilot area to ensure the quality of the ecological environment of Hainan can only be more well, not worse, now combined with the actual circumstances of this action.

1, by 2020, the proportion of clean energy installed capacity of more than 60%, to promote low-carbon clean energy priority access. Daly implementation of the "cut cut coal oil" to prohibit new coal, phased out of existing coal-fired units. Before the end of 2020, the province basically eliminated 35 tons of steam / hour and coal-fired boilers.

2, all cities and counties to complete the "high-pollution fuel combustion zone ban" before the end of June 2019 delineation and adjustment. In the combustion zone ban, prohibit the sale, burning polluting fuels. Within the province burning petroleum coke is prohibited. Oil coal quality sampling to establish a regular mechanism.

3, to carry out comprehensive improvement of industrial furnaces, phasing out non-compliance of industrial furnaces, industrial furnace to promote the use of electricity, natural gas and other clean energy or central heating.

4, the full implementation of the construction of urban gas engineering, gas propulsion countryside village "gas on behalf of firewood," to build a gas pipeline network covering urban and rural areas. Demand planning and construction of a number of gas-fired generation projects.

5, to promote the transformation of low nitrogen and ultra-low emissions retrofitting existing gas boiler biomass boilers. Low NOx combustion pollution control measures in new clean energy boiler fueled with natural gas should be used.

3, long life

Oxygen precipitation in the vacuum boiler water running alongside the intermediate medium outside of the furnace, so long as the small amount of heat added in one aqueous medium, the calcium and magnesium ions can be limited, so that scaling does not occur inside the boiler, thereby increasing the life of the boiler.

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