gas hot water vacuum boiler

gas hot water vacuum boiler

Vacuum hot water hot water vacuum boiler hot water boiler parameter is a heat exchanger to transfer heat to the hot water through evaporation and condensation heat of boiling heat transfer medium. It consists of a condenser and an evaporator heat exchanger. The evaporator heat exchanger having a combustion chamber and a boiler convection heating surface. The heat released by combustion of the fuel the heated surface of the heat medium water generated saturated steam under corresponding pressure. Condensing vapor rises in the heat exchanger to the cold leg, condensation latent heat of vaporization. The heat is transferred to the hot water supply heat exchanger, and the water heated to a certain temperature, and then sent to the heat user. After cooling, the condensed water is returned to the evaporator vaporizes, thereby continuing to provide heat to the outside. Vacuum hot water boiler is working characteristics using water at different pressures and boiling temperature. At atmospheric pressure (0.1MPa), at 0.06MPa pressure, the boiling temperature of water is 100 deg.] C, the boiling temperature of water is 85 ℃. Phase change heat transfer vacuum hot water boiler operating pressure range of 2.67 kPa to 66.6 kPa. Corresponding saturation temperature is 15 ~ 85 ℃, vacuum at the operating pressure of the boiler, the combustion temperature of the heat medium water saturation temperature to rise, and the steam generated in the water at the same temperature. Then the cold water in the outer tube is heated in the steam tube. Sending user of hot water, the steam condenses into water droplets of the outer tube, and then heating the back surface, completing the cycle. It features two vacuum hot water boiler: The results are as follows: (1) low intermediate medium temperature, exhaust gas temperature is low, greatly improving the thermal efficiency. (2) If the medium is lower than the saturation temperature at atmospheric pressure, even if the medium is broken, it will not cause an explosion soda. Fuel (gas) vacuum boiler parameter table we have a design team specializing in the production of vacuum hot water boiler, advanced testing equipment, international standard factory buildings, decades of industry experience serving more than 10,000 users, Henan fast Boiler Vacuum Hot Water boiler is trustworthy!

Hot water hot water vacuum boiler, 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?

Henan local structure vacuum hot water vacuum boiler furnace fast vacuum hot water boiler is divided into two portions, wherein the lower half of a structure similar to the second and third boiler shell flyback steam boiler, i.e. heating surface and furnace flue thereof; and the top portion a vacuum chamber (vacuum vapor chamber), which is provided with a tubular interior space of the vapor - water heat exchanger for heating circulating water flowing through the heat exchanger. The operating principle: vacuum hot water boiler is running, the negative pressure in the vacuum furnace body heat medium water absorbs heat energy released by burning fuel, Boiling water circulating system encounters a stainless steel heat exchanger of the low temperature steam, low temperature steam rises, heating recycled water to users for heating or hot water. Itself is cooled steam condenses into water droplets fall to the surface again after the heating medium is heated, thereby completing the entire cycle. Heating medium water constantly in a closed body of "boiling evaporation == == == heat medium condensed water" cycle, so no condensation water supplement, dry and no danger. Vacuum hot water boiler using soda condensation heat, all heat exchangers operating condition, soda condensation heat transfer coefficient is the highest.

At the end of 2018, Yantai City, Shandong Provincial People's Government Office issued the "Yantai Blue Sky win the Battle of three-year action plan implementation details," "rules" that: in principle, to new natural gas cogeneration and gas chemical projects. Details are as follows.

Continued implementation of the total coal consumption control, by 2020, the city's total coal consumption control in less than 24.19 million tons. Developed and implemented 2018-- 2020 coal consumption reduction alternatives work, the coal consumption Yajian task decomposition implemented in urban counties. Strict control of new coal project approval, approval, filing, encourage natural gas, electricity and other clean energy alternative to coal consumption. Censorship perfect substitute for coal, improve coal reduction coefficient replace coal utilization efficiency low industry. All new, revision, and expansion projects are implemented coal coal reduction alternatives, strict implementation of alternative sources and alternative proportions.

The development of special programs, out of shutting down environmental protection, energy consumption, safety and other 300,000 kilowatts coal-fired units of non-compliance, the following priority out of 300,000 kilowatts to run at least 20 years of pure condensing unit, run over 25 years and Condensate Pumping Units still can not reach ultra-low emission standards for coal-fired units. For shutting down the unit's capacity, coal consumption and emissions targets, allowed to trade or replacement, can co-ordinate arrangements for building the capacity of ultra-low emission coal-fired units.

Accelerate the phase-out of coal-fired facilities tea furnace built in the urban counties of the region, operating a stove, grain storage and drying equipment. The city's ban on new 35 steam tons / hour and coal-fired boilers. 65 steam tons / hour or more coal-fired boilers on the basis of complete transformation of the ultra-low emissions, with the transformation of the conditions to complete all energy saving. Out of coal-fired boilers heating pipe network coverage range. In the area where no cogeneration district heating conditions, a plurality of existing coal-fired boilers, and the like in accordance with the principle of building a large-capacity volume replacement coal-fired boilers.

The implementation of non-fossil energy doubling action plan, by 2020, non-fossil fuels in energy consumption should reach its goal provincial requirements, the city's wind power, solar power, biomass power, pumped storage power generation, nuclear power and other new energy and renewable energy power generation capacity reach 7.05 million kilowatts. Where the conditions of availability of resources, to encourage the development of biomass cogeneration county, increase renewable energy consumptive, improve social proportion of the total electricity consumption of renewable energy generation.

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