4000 kg gas fired steam boiler

The pharmaceutical industry is also a major market for boiler applications, and the most used in pharmaceutical plants is 4000 kg fired steam boilers. It has been estimated that oil andgas boilers in pharmaceutical plant boilers account for nearly half of the market. Oil andgas steam boilers consume a large amount of natural gas fuel and produce high-temperature steam for high-temperature sterilization of equipment in the pharmaceutical industry, disinfection of raw materials, drying, packaging and disinfection. The steam produced by the steam boiler can be used in many places such as laboratories, research centers, production workshops, etc.

The picture shows the fast boiler processing plant located in the plain areas, plus catch up period is for a residential area of ​​Beijing for the production of low concentration of nitrogen product water tube boiler heating in winter, as scheduled in 2018 to ensure that heating at the same time, to meet the 20 mg / m require extremely low emissions of nitrogen oxides, Beijing air emission standards applicable to other regions 30 mg / cubic meter.

What is the relationship between the boiler and the steam turbine and boiler WNS: boilers, boiler WNS What is? Boiler and turbine, What is the relationship? In addition, before the vote bottom steam heating boiler ignition, which has the specific role? These issues are important with regard to the product boiler and keywords, so the following immediately to give a specific answer, so, we also benefit from some of the harvest and inspiration, and to deepen familiarity and level of understanding of the boiler. 1. What is a WNS boiler? WNS boiler, the specific terms of the case, which refers to WNS 4000 kg fired steam boiler, means automatic oil or gas steam boiler. And which uses all wet back horizontal and efficient combustion threaded pipe, and with good insulation design. Thus, in the thermal efficiency of the boiler, it is 85% or more. Moreover, this kind of boiler, also with a reasonable structure, process performance, etc., so, there is a good use effect. 2. Before boiler ignition vote bottom steam heating, which has a specific role? Before firing boiler, a steam-heated cast hearth words, in which the specific role, is as follows: a role: the metal can be uniformly heated, and the temperature difference h Amount love young drum wall thermal stress, thereby shortening the boiler Start Time. Role two: increase the temperature of the boiler furnace, which allows the boiler combustion stability after ignition. Three functions: to improve the boiler water temperature, and speed up the process of building the boiler water cycle. The role of four: to improve economic performance during startup boiler.

The main reason gas 4000 kg fired steam boiler produces smoke which fuel gas steam boiler main cause of smoke. A fuel gas steam boiler: oil, gas oil quality is not good when the gas contains more water, reduce the heat value of the fuel, while producing steam, the furnace temperature tends to decrease, making it difficult to burn, easy to produce smoke. Water and more oil, mainly when unloading rain water into the oil during heating the oil in water vapor penetration. When the oil contains impurities, the impurities unburned produce fine coke, the coke into fine smoke, dust becomes large, and the formation of soot. Impurities contained in the oil and gas, but also affect the pure oil and pure combustion gas generated soot. Oil impurities, mainly due to inappropriate choice of filters or filter difference impurity removal effect. Second, the failure of the fuel atomizing nozzle member main burner fuel oil atomizing nozzle. Atomizing oil burner nozzle fails, affecting the quality of the atomization, easy to poor combustion. 1, the adhesiveness between the bonding surface of the oil and the consequences of failure oil atomizers swirl atomizers and the splitter plate well, leakage will occur, atomized large oil particles, increasing the amount of fuel injection and the like. In this case serious deterioration of the quality of the combustion, the oil droplets have landed on the water wall, stacking up oil coke, partially unburned black smoke into droplets. The tangential swirl chip groove clogging mist causes uneven density distribution in the dense side of the oil mist, combustion air be insufficient. In the more dilute side of the oil mist, combustion air causes severe local excess. Mixed with oil, wind conditions deteriorated significantly, combustion conditions deteriorate, resulting in black smoke. 2, spray atomization slice failure and the consequences of failure to clogging and wear. Nozzle clogging, resulting in blockage of the fuel injection quantity is not glib increase, oil particle size thicker, the effect of fuel poor and black smoke. Wear injection port, a large hole diameter, increasing the amount of fuel injection, increasing the particle size of oil affect combustion efficiency, produce black smoke. The use of artificial gas burner, naphthalene and tar and other impurities will block the nozzles, the influence of gas distribution, resulting in black smoke. Should therefore be cleaned regularly, or clogging of the selected burner. 3, the partition partitioning poor poor, insufficient supply of air into and excess. The amount of air can not meet the requirements of the fuel combustion, so that combustion of fuel can not be sufficiently black smoke. The amount of air, will result in lower combustion temperature, black smoke and fuel difficult to burn. 4, the furnace temperature is too low when starting the furnace, fuel oil steam boiler furnace temperature is too low due to easy black smoke. 5, the furnace hearth product oil is sometimes caused by internal combustion nozzle oil accumulated inside the chamber, the oil reservoir coke black smoke at high temperature. Causes dripping of fuel combustion nozzle: ① The drip just work, just at the operating pressure is too low, the oil will flow from the nozzle, instead of the discharge. The reason for low oil pressure is a solenoid valve, the valve is clogged filter or the like or failure caused by contamination. ② In the dripping process work, probably because the relative position of burner nozzle mounting head too far, improper ignition electrode position, the oil into the atomizer, the nozzle holder is mounted is not tight, nozzle dirty, low oil pressure caused. ③ When the dripping stopped, because the line between the pump and the air nozzle, electromagnetic valve or a hydraulic valve or dirty failure. 6, the furnace flue purged countless consequences when the furnace flue remnants of oil and gas, when gas purging endless, high temperatures encountered in the explosion and black smoke. 7, the furnace smoke, sparks, the furnace pressure is too ①; ② inappropriate choice of the burner, the burner flame is too long or too much power; ③ improper combustion ratio, there are more to produce products of incomplete combustion; ④ atomization quality is not good nozzle or improper installation location, or affect the combustion flame into the furnace off port; ⑤ flue is blocked, poor smoke; ⑥ a secondary air mismatches; irrational ⑦ furnace structure; ⑧ oil spray angle is selected from with improper.

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