In late May 2018, Hedong District, Tianjin Environmental Protection Bureau, the District Construction Committee, District Bureau for approval jointly held low nitrogen gas boiler reconstruction work will push for the Municipal Environmental Protection Bureau atmosphere at the meeting of May 18 Air pollution control work in progress briefing involves the transformation of low nitrogen gas boiler, convey the contents of the meeting and introduced the progress of work and experience low nitrogen gas boiler reconstruction of other counties.
Clear four key tasks meeting: First, all gas boiler units must be in accordance with the time node, complete technical solutions before the end of May to develop and expert appraisal work;
Second, according to the requirements of the minutes of the 49th executive meeting of the district government, the units shall, not later project work next week to start the project, and accelerating project bidding, project construction to ensure completion before the end of September;
Third, the units should seriously accordance with the "Municipal Environmental Protection Bureau of Finance on the issuance of Tianjin Gas boiler low nitrogen fixed subsidy reconstruction project implementation approach" (environmentally friendly gas-chun  No. 171), "on the issuance of Tianjin Municipal Environmental Protection Bureau letter fixed subsidy acceptance requirements of low nitrogen gas boiler reconstruction project "(Tianjin environmental Protection memo No.  406) and" Municipal environmental Protection Bureau Municipal market supervision Commission letter of relevant work requirements transformation of low nitrogen gas boiler "(Jin Han [green gas the relevant procedures 2018] No. 92) requirements, preparing project application and acceptance, with particular attention to security issues in the process of transformation of the project, to ensure that emissions meet the standard requirements after the transformation;
Generating hot water or steam boiler may directly provide the necessary heat for industrial production and the people's life, by a steam power plant can be converted into mechanical energy, or through the generator converts the mechanical energy to electrical energy. Provide hot water boiler hot water boiler is called, is mainly used for domestic, industrial production also have a small application. Boiler steam is known as steam boilers, often referred to as boiler, used for power plant, ships, locomotives, and industrial and mining enterprises.
How to choose energy saving gas heating boiler? Most of the field of construction, industrial, life needs to be heating boiler, then what the election or steam boiler hot water boiler heating? How much tonnage, how many? And how to make energy-efficient and environmentally friendly choice of boiler it? These issues will no doubt cause great distress to the customer, the following solve these problems, we can do a simple discussion, consider providing some feasible ideas. A. How to determine the tonnage and the number of boilers must first be calculated from the area of heating and domestic hot water heat demand of the total amount for this issue. Meanwhile, in the calculation of the process, also taking into account factors external architectural features heating areas, temperature characteristics, the peak water heating, etc., due to local conditions at the time. Then, after completing a comprehensive evaluation, will be able to consider the issue of tonnage and number of units furnace, then how should the election, which requires analysis to analyze the results of previous projects using features of the boiler, but also to figure out the actual boiler operating efficiency, as well as tonnage and heat supply matches demand real problem customer site. II. When selected gas heating boilers, steam boilers or hot water is selected by boiler application analysis of many companies, both on a simple comparison, you will find hot water boiler will be energy efficient than steam boiler, so if there are energy-saving project demand, suggested the use of hot water boiler. Of course, both need something like hot water and steam needs, you need to hotels, hospitals and other places to determine the actual situation. If the hot water heating system using a large amount of steam required is very small, it is recommended to configure another small steam boiler or compact 1 ton fire tube fired steam generator outside of the hot water boiler to meet the needs of a small amount of steam. For example, hospital star hotel or on the amount of steam demand does not exceed 30% of total heat demand, and based on actual experience, in addition to a steam boiler efficiency problem in itself a significant attenuation in the low load operation outside the state, the system energy loss larger, final energy efficiency is generally only about 60%, serious waste of energy. III. How to select energy saving gas heating boiler from the heat required systems, combustion systems, control systems and other consideration, and that is in heat transfer systems, taking into account the use of materials heat exchanger, steel, copper or iron, which according to their comparative property, currently used is copper; combustion system is the key to deciding whether the boiler equipment, energy saving and environmental protection. Current common combustion are: full-premixed, atmospheric premixed and diffusion. But just in terms of energy savings, premix technology would be more advantageous, it pre-mixed air and gas, multi-mode radiator heat, the intensity of the heat transfer improved. The advantage of using this method is that the combustion flame combustion clearer, and higher thermal efficiency. In short, the selection of gas heating boiler is a more complex issue, it requires theoretical and practical circumstances combined into consideration before they can get a reasonable result.
How to use the heat generated by the boiler and the difference in species: the product on the site, whose main product is all kinds of boilers, that is, it is for a variety of different types of boilers. So, based on this case, and in order that we can understand the site in different products, from the boiler will be below the overall, to learn their work, so that we can get some new knowledge, and then to expand their the amount of knowledge, rather than on their learning path has been at a standstill. 1. heat energy generated by the boiler, which can take advantage of? In addition, it produces different media, whether there is the corresponding species? The heat generated by the boiler, either directly, but also by the steam power plant, which is converted into mechanical energy, and even further by the generator to convert mechanical energy into power, again using the same. Being produced in different media, then, there will be different types corresponding. For example, the hot water boiler, then, is for the hot water boiler to produce steam for the steam boiler. 2. On the boiler, can install a pressure gauge? If so, then what is its role? Can I install a pressure gauge on the boiler, which in its boiler manufacturer box appears, is possible, but also will not have any problems. And its effect on the boiler, is to measure the internal pressure of the boiler, so that the operator according to their specific values can be appropriately adjusted to the combustion boiler, to adapt load changes, and thus, to ensure proper and safe operation of the apparatus .
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