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What are the three common about 1200 kw output fired boilers combustion? Urban coal-fired boiler has been difficult to solve, because especially small coal-fired boilers type cluttered and more widespread particularly difficult to handle. On the one hand burning low power, on the other hand is more a waste of resources. Under the requirements of environmental protection requirements, many cities in the relevant part of the requirements necessary gas (oil) boiler retrofit or replacement of 10t / h coal-fired boilers. The transformation of the former needs to focus attention to the following questions: whether the site is useful region of central heating boiler heating of small alternative program. The useful life and corroded boiler, if the boiler by Zhengzhou fast boiler or other professional testing organization to determine the useful life of less than five years, the transformation of value is not high. Determine whether the laying of gas pipeline convenience, liquefied petroleum gas or other fuel supply and transportation issues. Comparing the cost of renovation and equipment manufacturers advantages and disadvantages, in determining the needs of the transformation plan in compliance with these principles. Selection of fuel. Under the premise of fuel sources have, the most economical natural gas pipelines, liquefied petroleum gas, followed by a final light diesel oil. Also, consider the surrounding environment from fire and explosion safety. In general, the system and the soda boiler pressure parts and preferably not modified to adhere to the original power, are demand, under conditions not substantially change the pressure member, than the original power increased by 10% to 20%. Boiler pressure parts for major changes in the program desirable. The transformation process is necessary to ensure the safety of boiler pressure parts of (mostly small commercial general pressure boilers), followed by incineration system to ensure the safety factor, the decline in the risk of explosion, fire accidents. Recognize the transformation of the planning process, in a timely manner, the environmental protection, the gas company, fire department, urban construction and timely communication with the boiler section to monitor and ensure the transformation plan can proceed smoothly. When the boiler is burning way during boiler selection will take into account an element, the following three common boiler burning approach advantages and disadvantages brief analysis cf: 1 Decentralized incineration strengths: this way is not burning premixed, but the gas nozzle mouth dispersed with each other, and then burning it. Incineration relatively simple way, as more stable as compared to the flame. Disadvantages: Due to a longer flame, it is prone to the phenomenon of incomplete burning, more carbon monoxide and nitrogen oxides will occur, it is not conducive to the use of full-fired boilers, to improve the thermal power of the boiler, and the boiler emissions standards are difficult to reach. 2. premix approaches incineration advantages: premixing air and gas, a multi-way heat radiator, to improve the strength of heat transfer. Strengths of this approach is that the burning of the burning flame is more clear, and the higher heating power. Disadvantages: incineration requires precise ratio premix burning rate is fast, uniform burning radiant heat transfer full power high flame temperature below 1200 deg.] C, all NOx completely burned and the occurrence of low flue gas temperature, condenses, good heat recovery and high power. 3. No flame burning incineration space before incineration approach uniform mixing with the gas in the gas boiler. When using this approach, in the process of incineration gas in the oxygen demand is not made in the ambient air demand, only needs to achieve instant complete incineration air mixture reaches the incineration zone. Approach in the selection of incineration, incineration demand for the advantages and disadvantages of different approaches, carried out mutatis mutandis selection, a good way is also advantageous burning boiler to reach plenty of incineration, thermal power increase, decrease the role of emissions, and therefore, it is important to choose carefully.
Acceptance of low nitrogen renovation project management approach gas-fired about 1200 kw output fired boilerss in order to successfully carry out the transformation of the company low-nitrogen, low nitrogen transformation and acceptance process will now be regulated in response to acceptance of work under different circumstances, thus does not affect the progress of the company's overall transformation of low-nitrogen, It is organized as follows. The company low-nitrogen transformation acceptance criteria refer to "Beijing Gas (oil) boiler low nitrogen transformation Yijiangdaibu fund management approach" in low-nitrogen transformation acceptance requirements, low nitrogen transformation of the company and the manufacturers signed contracts for acceptance, and a phased acceptance carried out the way, it is divided into the following four stages: prior to acceptance confirmation from the manufacturer, pre-acceptance, government low nitrogen transformation and acceptance, final completion and acceptance. First, the low nitrogen gas boiler renovation project before pre-acceptance confirmation from the manufacturer to achieve the requirements of the contract 1. The actual standard for this type of project, the next step is direct acceptance process. 2. The actual contract can not reach the required standard (manufacturers to lower the acceptance criteria) for such projects, communication with the manufacturers of xx, re-sign a supplementary agreement or contract, according to a new contract or acceptance protocol standards. 3. The actual contract not up to the required standard (manufacturers do not agree or do not allow the government to reduce the acceptance criteria) for such projects, communication by the xx with the manufacturers, to terminate the contract, non-acceptance. Second, a low nitrogen gas boiler renovation project pre-acceptance satisfy items (1 projects above) pre-acceptance required to start the pre-acceptance operates in the following claims. 1.xx after the company confirmed that manufacturers have reached the standard contract, the company launched an internal pre-acceptance, and notify the relevant Division, Center for Technology Management, Operations Management Center attended. 2. Pre-acceptance of the project can be divided into environmental inspection and acceptance of two parts, the project must meet the acceptance requirements of environmental protection (standards and materials), to enter the next "low nitrogen transformation of government acceptance" stage. Unqualified acceptance content, fill out the on-site rectification notice, rectification, manufacturers, construction units, divisions, technical, operational and other relevant units to sign it by the deadline. 3. If the project environmental impact there is acceptance, boiler and other major security issues, not by pre-acceptance; In addition, pre-acceptance by the environmental protection, engineering, pre-acceptance deadline for correction. 4. In response to these contents rectification notice, by the manufacturer or xx arrange the construction unit to develop corrective plan submitted to the relevant divisions, technical, operational management center knows, in order to determine the final acceptance plan. Third, the low nitrogen gas boiler renovation project government low-nitrogen transformation project through the pre-acceptance and acceptance of environmental protection, and acceptance by the Government Division organized low-nitrogen transformation inspection department, relevant content is organized as follows. 1. A low nitrogen acceptance by the division of the transformation EPA invited, and notifies the acceptance time OA xx, center management technology, operation and management center. 2. The notification by the equipment manufacturers xx company to deal with the EPA project acceptance. 3. Technology Management Center, operation and management center according to the situation, coordination, cooperation division of the Environmental Protection Agency to complete the inspection. 4. acceptance by EPA, proceed to "completion and acceptance of the final" stage. 5. If the EPA does not pass inspection, subject to the opinion of the EPA, the Environmental Protection Agency if given a second chance acceptance, arrange for rectification by the Environmental Protection Agency xx grasp, and to give the exact time of commissioning compliance, and older than the Environmental Protection Agency to give the second acceptance time more than 3 days; EPA if not given a second chance of acceptance, the acceptance consequences borne by the manufacturer and by the execution of the contract with reference to the subsequent procedure. Fourth, low nitrogen gas boiler renovation project completed after final completion and acceptance 1. EPA acceptance, notify the manufacturer xx by the company, the construction unit to start the rectification work. Factory or construction unit for rectification according to plan in accordance with the rectification notice requirements. 2. The respective divisions, technical management center, operation and management of the center to collaborate rectification work, with supervision. 3. After the completion of the rectification project, organized by the xx-related divisions, technical management center, operation and management center participate, final completion and acceptance, to complete the transfer.
At the end of 2017, China Guodian is located in Jiangxi Province Wanan Hydropower Plant After evaluating the situation, some of the steam about 1200 kw output fired boilers used to purchase much-needed daily work. Sales Manager fast boiler combined with the actual situation of the power plant for its recommendation 2 0.5 tons of electrically heated steam boilers.
Steam about 1200 kw output fired boilerss and thermal oil heaters which is better? Which is more energy-efficient? Steam boilers and thermal oil heaters, which is more fuel cost savings? At the same power (represented with evaporation) for comparing the boiler, HTF medium because of the high temperature, so that the temperature of the steam exhaust gas temperature than the exhaust gas with a higher heating power of the boiler, the exhaust gas temperature directly affects Thermal efficiency. That same power (represented with evaporation) conditions, the efficiency is not high efficiency oil boiler steam boiler. In fact, now you finally choose what kind of boiler is required to rely on the temperature of your decision. If you ask a medium temperature to 300 degrees, you can only choose oil furnace; if you think there is a live medium temperature of 180 degrees is enough to use, it is recommended that you choose a steam boiler, because it is more energy-efficient with conditions). These are the kind of steam boilers and thermal oil heaters and today we analyze all the information of more energy-efficient, and the above information indicates that the steam boiler more energy saving, more fuel-efficient.
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