wns series horizontal gas fired hot water boiler

wns series horizontal gas fired hot water boiler

Yesterday we learned that the Guangdong Province to increase pollution control efforts by the provincial people's government approval, Guangdong Province Market Supervisory Authority, the ecological environment of Guangdong Province, Guangdong Province, recently issued jointly approved by local standards "boiler air pollutant emission standards." Compared to the original standard, including contaminant particulate matter, sulfur dioxide, nitrogen oxides, etc. received strict emission limits help to further reduce the total emissions of air pollutants.

Provincial Department of environment-related offices responsible person, the current Guangdong Province "Boiler Air Pollutants Emission Standards" promulgated and implemented more than eight years, with advances in pollution control technology, emission control requirements of its apparent leniency. Meanwhile, Guangdong air pollution control task is arduous, urgent need to close strict standards, further reducing the total emissions of air pollutants.

Guangdong "boiler air emission standards" in the context of the implementation province domain for coal, the material forming the fuel oil, gas and raw fuel 65 tons of steam per hour and less steam boilers, hot water boilers of various capacities and Heat Transfer Material Heater; stoker various capacities, stoker furnace.

The new "boiler air pollutant emission standards" (DB44 / 765-2019) to adjust six major areas.

A clear the raw fuel material forming air pollutants emission limits fuel boiler;

Second, the received strict emission limits boiler air pollutants, increasing the emission limits coal boiler mercury and its compounds;

Third, the abolition of provisions different emission limits by functional area and boiler capacity;

Fourth, in particular an increase of atmospheric pollutant emission limit requirements;

Fifth, increase the fugitive emission control requirements;

Sixth, the excess air ratio conversion flue gas pollutants to the atmosphere of pollutants emission concentration of the reference oxygen content conversion, the oxygen content of the clear reference atmospheric pollutants fired boiler burning biomass.

The new standard in the province gamut execution, the execution time of the specific step-wise: new boiler effect since April 1 this year; the transformation of boilers give some time, depending on which region, from 1 July 2019 2020 or the date of July 1 implementation of the new standards.

The reason for the low nitrogen boiler What are reasons for the low nitrogen boiler has what? Coal is a major component of China's energy, coal consumption accounts for about 76% of primary energy consumption. With the rapid economic development and the rapid increase in coal consumption, coal caused by air pollution is getting worse, especially coal-fired flue gas released nitrogen oxides (NOx) are major pollutants of air pollution one. Nitric nitrogen oxides can damage the ozone layer, changing the intensity of UV irradiated to the ground; also cause changes in the ozone layer climate change, which will affect the entire environment: air, nitrogen nitric oxide or an important source of acid rain, acid influence. In the environment it is widely known that the soil and water acidification, growth of crops; also demonstrated a number of human diseases are also generated directly related to the nitrogen oxide in the air of nitric oxide. In the fuel combustion process, NOx in the atmosphere dissolved in water will form acid rain, caused widespread damage to the environment caused by corrosion, damage and other open-air heritage buildings and industrial equipment huge economic losses. Damage to the plant resulted in the death of forests; fish and lakes death; destruction of crops and soil composition of the production loss, and even death; groundwater drinking is harmful to humans. Nitrogen oxides are also directly endanger human health. The higher the concentration of nitrogen oxides, the stronger the toxicity. Because it is easily combined with animal hemoglobin in the blood, causing blood to oxygen, causing paralysis of the central nervous system. When NOx is present ultraviolet radiation of the sun, automobile exhaust hydrocarbons, light blue form toxic compounds. Byproducts are City City primary air containing pollutants such as hydrocarbons and nitrogen oxides, it refers to the product of the solar radiation to produce specific chemical reaction and the resulting mixture mist. It makes the eyes, nose, lung and other organ damage, red eye, tears and other symptoms. Long-term chronic hazards can cause pulmonary dysfunction, bronchitis, and even the development of cancer. Severe cases can cause severe chest pain, nausea and vomiting, hand-foot discomfort, blood pressure, coma and even death. In recent years, large areas of severely affected by fog and haze, the lives of the people caused great pain. Many people mistakenly believe that only respirable particulate matter is the major cause of haze. In fact, another reason: nitrogen oxides can not be ignored.

Some of the causes boiler efficiency impact of fuel domestic hot water have been carried out impressive work in the coal to natural gas, the choice of fuel wns series horizontal fired hot water boiler, a very large cut discharge dust pollution, together with nitrogen oxides and other dangerous gases have also been oppression. Fuel efficiency is an important measure of hot water boiler, well that is that we begin to study the influence of some of the root causes of fuel efficiency hot water boiler. Through the investigation of the relevant departments, hot water boiler fuel consumption is derived from these two main places: the proportion of non-standard combustion air and exhaust full heat loss. Exhaust heat loss can be reduced less fuel hot water boiler installed in the chimney waste heat recycling terminal is provided, or in the selection of more leading condensing boiler system. Combustion air ratio is not sufficiently standard statistical noncompliant: conventional hot water boiler with a fuel combustion machine ejector, formed air-fuel ratio can not be flexibly adjusted. 70% of the oil hot water boiler with a mechanical blower burner, causing the root causes of non-standard air-fuel ratio in the following areas: air-fuel ratio is not the most important criteria are divided into two cases: when the airflow exceeded, there will be extra rich low-temperature air is heat conduction, resulting in increased fuel consumption of hot water boilers, hot water boiler fuel efficiency decreases; when the airflow is not enough, not sufficient to ignite the situation will cause the emergence hot water boiler fuel efficiency.

Check before 1 wns series horizontal fired hot water boiler operation, including the use of internal inspection and boiler ready. 2, stove and flue inspection, stove and chimney soot and debris should be removed. Gas hot water boiler with environmental protection, energy conservation, safety, salient features fully automatic operation, and ease of use. In addition, due to the operation of the economy, government policies to encourage, gas hot water boiler more and more people of all ages. To adjust the door and the flue duct, the door must be complete and tight, the switch must be flexible, open and close indication must be accurate. 3, boiler accessories conduct inspections of safety accessories in good condition; if the plug rotating flexible, convenient; all kinds of instruments and controls should be complete, good, clean. After examination by the pressure gauge cocks should be in working condition. 4, check Zidongkongzhi system. Biomass boiler categories: biomass boilers Horizontal, vertical biomass boilers. Biomass gas thermal oil heaters, biomass steam boiler, biomass hot water boiler, biomass oil furnace. 5, check the auxiliary equipment. Steam boiler is an energy conversion device, the energy input to the boiler fuel chemical energy, electrical energy, thermal energy and other forms of high temperature flue gas, and after converting the boiler, the steam output having a certain outside thermal energy, high-temperature hot water or an organic carrier. 6, the combustion device checks to see if the combustion device is in good condition; for mechanical transmission, coal handling system, ballast system, steering normal test; safety spring gearbox lubrication should be properly compacted and; Crosscut indicate the correct scale. Iron Eagle neatly intact, complete ballast plate, flexible movement. 7, the auxiliary heating surface inspection, check the auxiliary device (fan, water pump, etc.) is firmly connected to the coupling; v-belts suitably loose; good enough lubricating oil; cooling water flow. After the check, the safety shield is mounted, a separate test run, the idle current note.

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