natural gas fired vacuum boiler dealer in africa

Recently, Wuhan City, introduced in 2019 to embrace the blue sky action plan for speeding up the optimization and upgrading of industrial structure, promote the optimization of energy structure adjustment, implementation of transportation restructuring, deepen industrial pollution control and other tasks proposed solution.

Among them, in terms of optimization and upgrading of industrial structure, we will study and formulate more stringent industry access threshold, no new heavy chemical and paper industry projects within 1 km of the Yangtze River and Hanjiang River shoreline. Strict implementation of ecological protection red line, the bottom line of environmental quality, resource utilization on the line, environmental access a list of constraints.

In optimizing the energy structure, the city's ban on new coal-fired generating units, supporting the construction of new projects is prohibited owned coal-fired power stations, will not be new coal-fired boilers. Increase efforts to promote green buildings, new buildings full implementation of green building standards. In deepening the industrial pollution control, referring to Beijing and Xi'an subsidies, launched a comprehensive transformation of low nitrogen gas boiler. Before the end of 2019, the district completed at least 50% of the area within the low-nitrogen transformation tasks 10 steam tons / hour or more gas-fired boiler.

How to choose cost-effective vacuum hot water fired vacuum boiler dealer in africa brand Normally, when we choose a vacuum hot water boiler, we will have to worry about this or that. We do not know our choice of product quality and operating results. The following small series will take you to do a simple understanding. Raw materials (1) boilers used in production, process, technical rigor and professionalism of the operation is the first question we have to consider. This requires before making a decision, we can plant site testing to understand the operation of the process and the entire extent of the standard boiler production, and trade-offs. (2) using the selected boiler reputation in the market survey, a good boiler brand should stand the test of time and space, put into use if the actual boiler performance indicators in line with user requirements, and security and stability operations, then select it reliability will be higher. (3) vacuum hot water boiler brand is worth taking, as well as other criteria, namely its technology R & D results, namely its research and development efforts in all aspects of the thermal efficiency of the boiler, the boiler emissions. Because one of these are also put to use in the boiler should be noted that the core issue. (4) The last thing to consider is its service and after-sales service. If we can make brand standard recognized by customers, we must have a strong after-sales service and support to ensure our boiler products can be assured that easily buy. In short, the boiler brand merits, the evaluation criteria are diverse, boiler in order to select a good brand, we need to consider these questions.

Vacuum hot water fired vacuum boiler dealer in africa how much you know? "A" 1. What is a vacuum hot water boiler? A: The so-called vacuum hot water boiler, also known as phase-change vacuum hot water boiler. Refers to normal operation when the internal pressure below atmospheric pressure boiler medium, by heating the cold phase change heat boiler embodiment. (Internal vacuum-tight vacuum hot water boiler body, the heat medium water pressurized combustion, the generated steam heat exchanger for soft drinks, high thermal efficiency, the heat medium water at the factory in disposable infusion process, without replenishment operation. Vacuum hot water boiler unique design, form a safe, stable, etc.) 2. composition principle structure of the vacuum hot water boiler? A: vacuum hot water boiler furnace divided into two parts; the upper half portion of a vacuum chamber (vacuum vapor chamber), which is provided with a tubular interior space of the vapor - water heat exchanger for heating flowing through the heat exchanger Recycled water. 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 the body with a closed circulation heating evaporation == == == heat medium condensed water, condensed water without added thus, no danger of burning air. Vacuum hot water boiler using soda condensation heat, all heat exchangers operating condition, soda condensation heat transfer coefficient is the highest. 3. What is a vacuum? A: The vacuum does not mean absolute pressure is zero, as long as the external pressure is lower than, for example, can be called a vacuum: a vacuum when the pot boiler shell is commissioning a vacuum state, and maintain -375pxHg - between 76mmHg.. 4. What is the degree of vacuum? A: refers to the degree of vacuum in the gas lean degree of vacuum in the book, usually with a low degree of vacuum and high vacuum to FIG. High degree of vacuum represents a good degree of vacuum means, a low vacuum degree difference represents the degree of vacuum means. Vacuum degree is lower than the actual value of the pressure of the system shows the atmospheric pressure value, i.e., the degree of vacuum = atmospheric pressure - absolute pressure. Vacuum of international standard units: Pa (Pa). Why The vacuum heating medium water heated hot water boiler in a vacuum state? A: water at different pressures, different boiling temperature which, at one atmosphere pressure (0.1Mpa), the boiling temperature of water is 100 deg.] C, and under a pressure 0.8Kpa the boiling temperature of the water was 4 ℃. Vacuum hot water boiler is operating within a pressure range of vacuum degree of 2.67Kpa ~ 66.6Kpa corresponding saturation temperature is 15 ℃ ~ 85 ℃. Thus, in a vacuum state, the heat medium is easily Boiling water. 6. origin vacuum hot water boiler? A: The basic principles of vacuum hot water boiler was born in 1972, Zurich University. In 1975 the Japanese company TAKUMA Based on this principle has developed a vacuum hot water boiler and patented invention, then gradually popularized throughout the world, this technology has been developed and the development of Korean companies have emerged TAKUMA Korea, China in the late 1980s Some manufacturers have developed vacuum hot water boiler, but due to technical problems, mainly due to gas generated immiscible declining degree of vacuum problems can not be solved electrochemical reaction occurs boiler water and vacuum seal of iron, has not been promoted . 1990s South Korea's manufacturing enterprises to enter the Chinese market relatively late in 2003 about the domestic boiler manufacturers began producing vacuum boilers.

Desuperheaters gas steam fired vacuum boiler dealer in africa of the role and use of gas steam boiler desuperheater utility with negative pressure combustion process, why not suitable for heating gas steam boiler? This is because the pressure of gas steam boiler is very high, and the requirements of its pipes and accessories is relatively high. So, on this invisible, it will increase costs and expenses. In addition, the installation of a steam boiler is not very simple. Therefore, based on these factors before reaching this conclusion. What is the role of gas steam boiler desuperheater that? Desuperheaters gas steam boiler is generally in the supply pipe, its main role is to reduce the steam temperature, so as to achieve the desired requirements. Desuperheater in kind, type, and the main surface of the two water-jet. For the surface mounting of formula U-tube is a cylindrical tube body, or a recuperative heat exchanger. Water quality which cooling water is no special requirements, mainly in the scope of the low-pressure steam boiler. Gas-fired steam boiler vacuum boiler combustion whether beneficial? If the negative pressure combustion gas steam boiler, specifically refers to a combustion chamber of the boiler, i.e. the furnace, is less than one atmosphere. The means to achieve it, it is achieved by balancing the ventilation system. Pressurized combustion, which does not improve the speed of the combustion gas steam boiler, or to maintain combustion stability. If the conditions are bad, then seal the furnace, combustion positive pressure will increase insecurity, the work environment is unfavorable. Therefore, only the negative pressure combustion to avoid the above problems.

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