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.

Care must be taken when using the introduction gas steam boiler summary of some of the products despite stable and safe operation, but the use of gas steam boiler should be very common. But by no means is that you can manipulate it at will. This time we will introduce the use of some of the summaries must consider when gas steam boiler. First, double-check before starting boiler gas steam boiler is very important. The review process is very important. We must examine these parts. For example, the gas pressure is reasonable, whether the windshield of the flue gas duct is open, and whether the vacuum pump is pumping. Normal and so on. Only when the equipment is in good condition to start the boiler, and can be operated security of each steam boiler safely. Secondly, the use of off during the shutdown should be a very rigorous process. First of all, the fire should be turned into a small fire, then slowly goes out, turn off the burner. There should be a lot of summaries on the safe use of steam boilers. If you can pay particular attention to the use of so many summary, I believe that the use of a steam boiler is very safe, in order to avoid improper use of details. When the water level falls below a predetermined minimum water level, but when the water level observer can still see the water level, water temperature is determined to be insufficient; when the water level measurement water level measurement project is not judged to severe water shortages. This phenomenon will include summarized as follows: (1) the drum water level is less than a predetermined normal level; (2) low water level warning audible alarm automatically, bright lights; (3) steam superheated steam temperature increases; (4) Water not normal, lower than the steam flow rate value; (5) steam exhaust gas temperature.

Vertical steam boiler optional indirect heat exchanger Typically, conventional vertical steam boiler simple alterations, such as waste heat recovery apparatus according to the installation, can improve energy-saving effect, which is actually a vertical steam boiler saving advantages. Vertical steam boiler heat exchangers are commonly divided into two categories, one is a contact touch exchanger true, then the other is simply a plate heat exchanger. They smoke waste heat is used to acquire, improve energy saving effect of separate devices. Vertical high vacuum steam boiler indirect contact heat exchanger thermal efficiency, the dust sources is also removed, acidic water body, lossy vertical steam boiler. Plainly equipment acquired energy from the cold dust in the suspect be indirect heat exchanger door is what I always say. Today, many people choose with vertical steam boiler, market share continues to increase. Such vertical steam boiler soot emissions in with a lot of water vapor, according cold suspect emit large quantities of latent heat of vaporization. The rate is much higher than coal-fired boiler coal-fired boiler. Good selection of such vertical steam boiler connected to a heat exchanger Jane effect

Hot water boiler is one of the important equipment for the district to provide our real estate company, and two gas hot water provide the fast boiler boiler flotilla of environmental performance, in full compliance with state regulations after smoke was detected in the rear of the boiler. And boiler operation is safe, stable, we use the very at ease. --customer feedback

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