15 ton hot water boiler supplier in Karaganda

15 ton hot water boiler supplier in Karaganda

Food factory boiler selection

In the article Choosing the Right Boiler, some reference points have been introduced for boiler selection, which also applies to the selection of boilers in food factory.

Recently, in Jiaxing City in Zhejiang Province Nanhu District, officially launched a comprehensive investigation and action on gas boilers and biomass boilers urban built-up areas, and actively promote the transformation of low nitrogen emission gas-fired boiler, Zhejiang Province, determined to win the Battle of the sky made own contribution.

According to the requirements of the investigation, the South Lake district towns, streets, parks within the jurisdiction of the respective gas boilers and biomass boilers urban area to take home from house to house visits Paimo way, the ecological environment Branch area combined with market regulators issuing a list a verification form inventory management. After the statistics were found in the region with gas boiler 35 units, built-up area of ​​biomass boiler Taiwan.

Meanwhile, Nanhu District will be in more than 500,000 cubic meters of natural gas consumption in the four on-site visits to enterprises as a pilot enterprise low nitrogen transformation operations boilers, ecological environment Branch area of ​​personnel, publicity reform provinces, municipalities and low nitrogen emissions on gas-fired boiler requirement that the premise of ensuring safety in production, natural gas boiler NOx emission after the transformation shall not exceed 50 mg / cubic meter, and listened carefully to the enterprise raised about the difficulties of combustion gas boiler low nitrogen transformation exists.

To speed up the investigation and major renovation large boilers, Nanhu District definite time node, before the end of 2019 business model will complete the transformation of low nitrogen gas boiler, at the same time, the city built-up area of ​​biomass boilers implement ultra-low emissions transformation. Nanhu District will adhere to routine inspections and investigation focused on the combination of concentration and control checks and unannounced visits to combine law enforcement when combined with the daily supervision and wrong, and the law enforcement inspection report from the masses combine to ensure long-term monitoring of boiler regulation implemented.

Why after normal boiler outage to take natural cooling? A: The steam has a certain pressure at a certain saturation temperature, when the pressure change, the saturated water and saturated steam temperature change accordingly; shutdown if the boiler pressure drops too quickly, the saturated water and saturated steam temperature, and dramatically drop. Due to the high rate of change of pressure saturation temperature at a lower pressure, because the upper wall in contact with the drum the saturated steam, saturated with a lower water contact. Thermal conductivity of water is relatively large, the heat storage drum is quickly transferred to the water in the lower wall, the lower the temperature of the drum, close to the saturation temperature at the new pressure after the pressure drop; and poor heat transfer drum upper wall, maintained high temperature, the wall temperature is higher than the upper drum wall temperature, the faster the vapor pressure drop, the greater the temperature difference between the upper and lower walls drum.

Gas steam boiler apparatus needs to be configured since the soft water gas steam boiler, soda temperature heat pipe system is better than the boiler room air temperature is high, some of the heat will be lost to radiation and convection to the surrounding air, heat radiation loss becomes the boiler. Accordingly, when the insulation layer and the heat pipe boiler systems found damaged or leaking, it should be repaired, to reduce heat loss. Gas steam boiler to the water will contain various impurities and calcium and magnesium scale substances, boiler fouling inevitably. Low thermal conductivity of the scale, so that once the heating surface fouling due to increased thermal resistance, boiler exhaust gas temperature rises, heat losses will increase. Test data indicate that the boiler heating surface junction 1mm scale, heat losses will increase from about 2% to 4%, the thicker the scale boiler heating surface, the greater the resistance, the thermal efficiency of the boiler will be lowered more. Gas-fired steam boiler fouling not only reduces the thermal efficiency of the boiler, and the boiler Heating Surface temperature rise, causing heating surface damage, and even cause boiler explosion. Therefore, high-quality soft water treatment apparatus, in strict accordance with the process operating boiler feed water softening devices, the control of boiler feed water quality, can delay scale formation. Meanwhile, boiler scale control in real time to master the situation boiler scale, a scale clean-up, if necessary, is also very important.

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