2 tons vacuum gas hot water boiler

2 tons vacuum gas hot water boiler

According to our learned Wenzhou Municipal People's Government on February 12 issued a notice "Wenzhou Blue Sky win the Battle of action to implement the program (draft)", the details are as follows.

Accelerate the implementation of the relevant arrangements for the deployment of national, provincial and develop natural gas and other clean energy. According to Yi gas of the gas, the electric power should be the principle, and actively guide enterprises to implement energy clean energy alternative, 2020, the basic completion of provincial trunk pipeline construction, the basic realization of natural gas every county, to further improve the urban and rural distribution pipe network construction , the city's natural gas consumption reached 570 million cubic meters, the proportion of non-fossil fuels in total energy consumption to reach the provincial requirements. Orderly development of hydropower, safe and efficient development of nuclear power, optimizing wind energy, solar energy development layout, local conditions to develop biomass energy, geothermal energy and so on. Where the conditions of availability of resources, to encourage the development of county biomass cogeneration, biomass briquette boilers and biogas. Orderly development of natural gas peaking power plants and other interruptible user, in principle, to new natural gas cogeneration and gas chemical projects. Continue to implement the priority generation and purchase of electricity system to ensure the city's renewable energy generation full protection of the acquisition.

Strict new coal project access, the implementation of the reduction of coal instead. According to the State to win the Battle of the sky three-year action plan calls for no new 35 steam tons / hour high-polluting fuel boilers. By 2020, the city's coal accounts for the proportion of total energy consumption fell to 42.8% or less, the city's total coal consumption decreased by 5% compared with 2015. According to focus on the use of coal and clean use of principles, focusing on reduction of non-coal for electricity, increase the proportion of electricity from coal in 2020, the city's electricity and central heating coal proportion of total coal consumption reached provincial requirements. Continue to promote alternative energy coal and oil, replace reached the provincial requirements.

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. Strict control of new coal-fired units installed capacity in the region rely on new clean energy generation and transmission to meet outside the main electricity consumption. In the premise of protecting the power system security and stable operation of 2020, to accept the outgoing power levels to at least 38%.

Consolidate construction achievements combustion zone ban, increase efforts to eliminate small coal-fired boilers. According to the National to win the Battle of the sky three-year action plan calls for phasing out the 10 steam tons / hour and coal-fired boilers, the county level and above urban area basically out of coal-fired tea furnace, operating a stove, grain storage and drying equipment, etc. facilities; basically eliminated the city's 10 steam tons / hour and 35 steam tons / hour of coal-fired boilers; 35 steam tons / hour and more polluting fuels and energy-efficient boilers to complete the transformation of ultra-low emissions; low nitrogen gas boiler basically completed the transformation; city built-up area of ​​biomass boilers implement ultra-low emissions transformation.

Through inspection departments, vacuum boiler heat loss from the more important of two parts: the combustion air abundant than the relevant unreasonable smoke exhaust heat loss. Reduce heat loss can be retrofitted smoke emission in a vacuum and then use the waste heat boiler chimney tail of equipment, or the use of increasingly advanced functions of the FGR boiler.

How to guarantee steam quality of steam boiler

Steam boilers are much more widely used than hot water boilers. Hot water boilers are mainly used for heating and providing hot water supply, while steam boilers cover all industries such as industrial and power generation. What are the requirements for boiler boilers for boiler boilers? Undoubtedly safe, stable, efficient, long service life, cost savings, etc., however, these requirements are indirectly or directly related to steam quality. The quality of steam is critical because it affects the stability, reliability and economy of the system, as well as product quality, production power and energy consumption. If the steam boiler user does not pay attention to this, it will definitely lead to a series of follow-up problems for the boiler.

1) Cleanliness: There are rust and carbonate deposits in the steam pipeline, and there may be slag and sealant fragments remaining in the equipment. These impurities may cause jamming and damage to the valves and equipment, and also increase the wear of the pipeline. The way to improve cleanliness is to install a pipe filter, and the filter should be horizontal.

2) Dryness: Incorrect water treatment of boiler hydration, unreasonable boiler level control, and short-term high peak load and other factors will cause the boiler to co-exit the boiler, so that the boiler outlet carries boiler water. When steam is moving in the pipeline, heat dissipation from the pipeline condenses a portion of the steam, adding condensate from the pipeline. The chemical substances and other impurities carried in the condensed water will accumulate on the surface of the heat exchange equipment, affecting the power of the heat exchange equipment, and the accumulated impurities will be fouled on the metal surface of the equipment, resulting in uneven heating of the metal surface and shortened life. In addition, the presence of moisture in the vapor reduces the transpiration of the steam, adding steam consumption; the moisture in the steam will increase the thickness of the water film measured by the heat of the heat transfer, and the rated heat transfer resistance occurs. The addition of a steam separator is a useful way to improve steam dryness, and an efficient steam separator can increase steam dryness to 98%.

3) Purity: There is air in the steam system because the steam that is generated by the boiler still inevitably contains a small amount of air, and there are also air when the pipes and equipment are started. When the system and equipment are shut down, the air is taken in due to the internal vacuum. The air has a very low thermal conductivity and is a poor conductor for heating. The inclusion of air in the steam system will reduce the production capacity of the steam equipment and will also increase the corrosion of pipes, valves and equipment. The most useful way to eliminate non-condensable gases such as air in a steam system and thereby improve the purity of the steam is to install an automatic air venting device in the system.

4) Pressure/temperature stability: In order to ensure process heating requirements, the steam pressure at the steam point should reach the demand value. Together, the steam pressure should not be too high, otherwise steam consumption will be added.

1. Complete gas boiler heating energy efficient gas boiler heating power key to progress, energy savings should follow the completion of the following two criteria. First, advances in gas boiler power. Here said boiler power refers to the power of this season boiler boiler group or groups. Power gas-fired boiler primary season progress through two ways to complete. First, during the heating, the boiler will try to start and stop times, idle time reduction. Thus these operations will form part of a certain level of gas and heat consumption. Second, the appropriate share of the air conditioning hybrid and natural gas can be burned together with the power of progress, reducing natural gas consumption. Second, advances in power delivery network. In the pipeline transit, insulation, leak, hydraulic imbalance resulting in heat loss is the primary factor affecting the delivery of power. In the heat loss, the heating system, the vertical offset, the horizontal offset energy external network formed by the loss of most severe. Thus, to complete the power-saving, it is necessary to start from the presence of these disorders conditions.

2. The gas condensing boiler heating energy-saving skills 1. Skills condensate skills is the primary means of useful skills to complete the power-saving gas-fired boiler. Element in the presence of hydrogen rich natural gas, the natural gas during incineration may generate a lot of water vapor. In the exhaust process, the temperature rises, the water vapor is condensed can not be completed, a lot of thermal energy is wasted. Together with the high temperature flue gas discharged in the process will take many tropical significant, sensible heat and latent heat released into the atmosphere, present in the flue gas nitrogen oxide and other substances to form a certain level of air pollution, air quality impact. Primary condensing gas boiler through the use of condensing heat exchanger from the boiler exhaust gas present in the condensed water vapor, to complete the advancement of the thermal power boiler, and can effectively reduce air pollution. In other countries, the use of condensing skills now in sophisticated stage. With the development of energy-saving and environmental protection requirements, condensing skills in our use and also have to carry out more and more prospects. In the course of condensation skills, detailed device often used to recover flue gas condensation heat and the like. 2. The heat pipe heat pipe is a highly effective skills transfer element, which is one of the most important skills in space science and technology of high-tech components. A vacuum condition inside the heat pipe, the presence of appropriate amount of liquid having a thermal conductivity in this vacuum condition inside. When the heated liquid heat pipe heat must have been terminated, the inside of the heat transfer liquid is absorbed immediately, so that a sharp rise in temperature itself, until steam is generated. When the vapor rises to the other end of the heat pipe, i.e., when the cold end, the corresponding latent heat of vaporization released out of body heat pass. In this case the effect of the steam is condensed again into liquid is liquefied, by virtue of its own gravitational force back to the heated end of the heat pipe. The heat pipe is performed through the above-described repetitive transpiration, condensation cycle to complete phase transformation latent heat of the flue gas absorption, release, and thus useful for conducting heat is completed. Heat pipe air preheater can be useful for all heating air burning, smoke decreased during the onset of heat loss, strengthen the power boiler burning hot air, effectively improve the industry used to carry out. Air heat pipe heat exchanger may be useful to complete the via flue gas heat for preheating the air, and efficient for the boiler furnace to complete the hot air supply feed. Heat pipe skills of scientific, rational use not only bring huge economic benefits to the industry to carry out and complete the decline may be useful energy, reduce pollution, play an important effect in carrying out environmental protection and national economy.

3. The system of circulating water pump system circulating pump frequency inverter skills are important skills in accordance with a detailed user heat demand, the frequency of the circulating pump motor for speed, after the completion of the circulating water system useful for conditioning. Practical use of that reduced power loss may be useful in the process of distribution pumps, power saving is to save skills. Based on hydrodynamics know, the circulating pump, the circulating water which, as a link between the two pump speed pump speed; the head, between the two pump speed was proportional to the square contact; the shaft power, the pump speed between the two was is proportional to the cube of contact. Thus, using a pump frequency of skills in the gas boiler, you can cycle through the method of slowing the pump speed to complete the pump power consumption is reduced.

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