Those matters relating to optimal control of boiler combustion

Boiler is a kind of energy conversion equipment. Under the condition that other links of power station system have been developed and perfected, boiler combustion system has become the main link of energy saving and saving in coal-fired power station. At present, with the improvement of burner technology, it has been able to adapt to the combustion of all kinds of fuels and loads, but the new requirements of energy saving and emission reduction in electric power enterprises make the combustion of utility boilers not only meet the steady combustion, It also meets the requirements of high efficiency of combustion process and reduction of pollutant emission. Therefore, further optimization of combustion process and operation is needed. Today, we'll take a closer look at it.

This paper introduces the usage method of Fangkuai boiler. The chimney outlet of Fangkuai boiler is higher than 1.5m ~ 2m of boiler. The water supply of boiler should ensure the quality of water, use soften water equipment as far as possible, do not use water with more minerals, otherwise, the boiler will be easy to form scaling. Before starting the boiler, check the power supply and water source, and close the sewage valve to open the water supply valve, check the status of the pump, there is no stuck, at least once a day to discharge the sewage, sewage should be burned. The voltage of the power supply should be controlled within 5%, the 380v voltage must be three-phase five-wire power supply, do not connect the zero wire wrong, to the boiler To install the ground wire, the depth of the ground line is more than 1.5 m, the ground connection head is connected to the ground pile head, and the connection joint is more than 1 meter above the ground.

To conscientiously implement the CPC Central Committee and State Council "on the overall strengthening of environmental protection and resolutely fight pollution prevention advice tough fight" and "the State Council on the issuance of three-year winning the Battle of the blue sky plan of action," the spirit, boiler emissions control, prevention and treatment air pollution, the State environmental Protection Department to develop "boiler air pollutant emission standards." In order to further the implementation of air pollution control operations, all regions at the same time meet the national standard, but also have introduced a more stringent local standards.

From the implementation of the Beijing gas nitrogen oxide emission standards for boilers began 30mg, emissions from gas-fired boiler has been of great concern, expand around the "coal to gas" action, so that gas such devices become the most countries to promote clean energy boiler.

The transformation of the current common low nitrogen boiler, there are three main measures: (1) replacement of boilers, (2) replace the burner (3) in the boiler flue gas treatment.

Controlling the nitrogen oxide generated from the source, the most advanced technology on the market today is the use of flue gas recirculation techniques and FGR premix combustion gas boiler technology, both having different focus, low nitrogen emissions boiler.

Replace the boiler burner, renovation and debugging, and the impact on the safety performance of the resulting boiler, burner unit by the responsible manufacturer or his authorized. Beijing Bureau of Quality and Technical Supervision, Beijing Municipal Environmental Protection Bureau issued the "Notice on the transformation of the low - NOx combustion safety risk warning" states: the transformation of low-nitrogen combustion boiler diverse, complex technology, to protect the smooth implementation of the work of reform, effective prevent security risks, prevent accidents, analysis and appraisal by experts, it is not recommended comprehensive safety, environmental factors, the following recommendations:

Nitrogen oxides have been generated by some means and then reduced to nitrogen, the main fuel reburning, selective catalytic reduction, selective non-catalytic reduction. But in the actual monitoring, the nitrogen oxide emissions controllability is poor.

The transformation of low nitrogen gas boiler is a need for long-term adherence and actively manage the work, under the premise to meet the national standards, do specifically address the specific circumstances, not blindly, careless handling, to adopt plans, goals, ideas implementation, to achieve a comprehensive upgrade gas boiler.

Domestic natural gas boiler failure how to do? Different boiler, they have different principles in the detailed job, what job is the principle of natural gas boiler, which is the situation many people are concerned about. When we can know the details of the operation principle, and concluded that the use of a detailed way, the entire application will be able to be assured that we are on it is very crucial thing. Gas-fired residential heating type and there are home-based. In the process we use, the center is the content of the natural gas burned pipes, hot water, circulated to different places, so that the heat can be brought to the room. The room can be said to ask the ferry looked detected temperature reaches a certain number, you can take the initiative to stop the use. Of course, after stopping the use of the device, wait until the water temperature is lower than we initially set value, he will once again open the solenoid valve and then start working. In this device, the use of the process, relatively speaking will be more convenient, the effect it will have more assurance. Working principle of the device, when many clubs affected the functioning, real attention to these aspects go, what about the future use of it, will have a better guarantee. Household use of gas-fired process, some division may be some problems, then points to deal with them may be very troublesome, it is about the future will bring great impact. Throughout the process, what we are all detailed approach? True to take into account these conditions, we will have a good outcome for the entire application, so we must be true to be concerned about. Domestic natural gas problems arise, then the careful examination of the problems proper investigation. Devices on the overall very simple in structure, can be relevant when you know some of the conditions, which can identify problems, and can be properly processed. Most of the problems are relatively easy to handle. Some division, domestic natural gas boiler problems, after repeated investigation, but did not find the exact cause of a problem can contact the manufacturers directly provide after-sales service, or is related consulting. After problems with equipment, there will always be some reason, when you and the official customer service staff to communicate, this is about we can bring more advantages, so we know to be true to these conditions. Summarized above said, the domestic natural gas boiler problems arise, we must learn the correct way to handle the whole process of treatment, be sure to pay attention to the security situation. Encounter problems they can not handle, and can direct the selection of the official customer service staff to find, they will help you deal with these situations, and to ensure that future better use. Once we have these guidelines, so easy to deal with the problem of the future will be even more the division.

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