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China wns three return wet back boiler factory

Boiler plant equipment as three major important energy conversion device, fuel chemical energy into heat energy, and the pot was heated using thermal energy to become hot water having a sufficient quantity and a mass (steam temperature, steam pressure) steam turbine for use. The Anyang City, the power company to my company to buy a split 2 tons of steam condensing gas steam china wns three return wet back boiler factory for supplying electricity demand. The WNS series split condensing boilers using advanced technology designed to greatly improve the thermal efficiency of the boiler, up to about 96%.

How to configure the pipeline pump and china wns three return wet back boiler factory flue gas treatment process: 1 ton boiler, you should configure how much pipeline pump? Power plants, boiler flue gas processes are what? In addition, the gas boiler in the boiler, the need to install an alarm system? Ask these questions, its main purpose is to explain and to answer in order to solve, so that we avoid regret. So, the next, a question and answer will be used to carry out this form to ensure learning outcomes. 1.1 tons of boiler, it should configure multiple high-power pipeline pump? This, then this, then, at block boiler view, is the need to be calculated, but that will be noted in the product manual of the boiler. So, on this issue, the answer is no, because, unable to answer. In addition, we also need to know that it will be related to various aspects, therefore, is the need to consider various aspects, so that, in order to have accurate results. 2. The power plant boiler flue gas flow, what is? Boiler plant used, it generates smoke, the processing flow thereof is as follows: the high-temperature combustion furnace flue gas - the flue gas temperature rises, the heat transfer to the heating surface - the flue gas into the suction action of the fan backpass continued heat transfer to the preheater and economizer - dust removal device into the flue gas - the flue gas through the suction fan - flue gas through the chimney into the atmosphere.

Factors affecting thermal efficiency of china wns three return wet back boiler factoryIn order to improve the boiler thermal efficiency, save fuel, and increase the thermal economy of boiler work, it is necessary to analyze the factors that affect the boiler thermal efficiency. According to the formula of counter-equilibrium efficiency, the factors affecting thermal efficiency are heat loss of exhaust smoke, heat loss of chemical incomplete combustion, heat loss of mechanical incomplete combustion, heat loss of heat dissipation and physical heat loss of ash. These heat losses are analysed below.

Industrial china wns three return wet back boiler factory scale remaining after pickling cleaning operation of boiler scale, and in particular the sulfate scale silicate scale even pickling method, it is difficult disposable washed. Residual scale much rougher than the surface of scale-free surface, a rough surface has a plurality of cavities, and the cavity was a stagnation region, where the scale easily concentrated, deposited, raw knot. Based on the above-mentioned negative factors, the boiler pickling, the handling of the residual scale is necessary. 2 2.1 descaling methods and principles sodium humate salt and so synergy, the purpose of removal of old scale during operation. 2.2 Principle dirt into CaC3 water residue. I play a dissolution of silicate. NaOH silicate scale is difficult to dissolve and react to produce soluble sodium silicate. The higher the temperature of the boiler water containing alkali solution, the above reaction is carried out more easily. An organic phosphonate of chelation and lattice distortion effect. Organic phosphonates and not only in aqueous solution Ca2-, Mg2- form a stable chelate compound, but also have been formed, and CaCO3 crystals phosphonic acid), since chelation Ca2-, so that CaCO3 scale layer many voids, reduce the interaction between the scale layer, the hard scale becomes debris in the pot of water to the boil, it played a role in the erosion and the dispersion, together with the waste water drain. The use of renewable organic polycarboxylate self-release effect and the descaling effect. Organic polycarboxylate heat transfer surface can form a film with such a film which is co-precipitated layer of scale grows to a certain extent will break, and the heat transfer surface away together with the scale, come off. Sodium humate by osmosis. Sodium humate has a strong penetration effect, can penetrate into the scale and the metal contact surface with calcium, magnesium metathesis reaction, the surface adhesion decreases old scale and metal fall off. Application Examples Example 3 a factory a KZL2-8 Horizontal package boilers, raw ground water, 10.Mg2 + hardness meter), although the water treatment equipment, due to poor water quality, combined with improper operation, junction raw scale, covering area of ​​more than 90%, the average thickness of 45mm, the thickest of 11mm. after pickling, whichever residual scale, through experiments, is determined sulfate scale. By its nature, the program uses the following: ⑶ epileptic), then cast added Na2C3, will increase the alkalinity boiler water to 18), an amount calculated as follows: G = the amount of V ° (D-D of the standard) MG-Na2C3 of , g; V- boiler water capacity, m3 (2t / h boiler by 4 meter) D required to achieve standard pan of water alkalinity, mmol / L (OH, D assay time of a pot of water alkalinity, mmol molar mass / L-NaC3 of persons Na2C3 after the above-described embodiment the dosage amount, than before dosing boiler water turbidity increases, first, because the agent itself increases the salt content, the second is the scale under the effect of the agent, gradually slag into water. over time, gradually reduce turbidity, running six months later, most of the remaining scale is removed a few off the bottom of the drum, into the soft dirt, water residue will easily become excluded. example two factory Taiwan KZL4-10 horizontal packaged boiler, no water quality testing prior to installation, commissioning a mistake softening equipment, water quality criteria is not met, resulting in the installation of new boilers three months after the operation, Wall Sheung scale portion is blocked, and the emergence of squib, replacing the 6, the remainder of the scale Of about 4mm, the individual parts 7 ~ 8mm. After pickling, the scale remaining large as replenishment of water in the furnace of the trona 3.5mmol / L, when the multi-alkalinity boiler was maintained at 15 ~ 20mmol / L or so ( OH, F COT), so there is no dosing Na2C3, adding only a HEDMP, HEMA and sodium humate, running four months, a significant reduction in the residual scale. problem most exposed parts of the metal to be noted that dosage .4 agent to remove residual main scale, must be strictly controlled boiler feed water or demineralized water hardness 0.03mmol / L or less (by Shi Ca2 ' "1Mg2 ten dollars), into the pot to prevent hardness scale and consumption of new raw junction agent. For this purpose, examples of a case of re-commissioning the softening equipment, examples of two direct replacement softening equipment, and analysis of operating personnel have been trained .5 conclusion after more residual scale boiler pickling, do not allow continuous pickling can be adopted pot-treatment method to solve.

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The reversal chamber is inside the drum, and the tube plate, backboard and drum are surrounded by water. This is a packaged f. WNS Fire Tube Boiler WNS series packaged gas and oil fired boiler, three-pass wet-back design, fire tube boiler 1 ton 20 ton.

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WNS oil-gas fast-loading steam boiler adopts horizontal wet-back three-return structure and micro-positive chamber combustion. The boiler body is composed of a drum, a furnace gallbladder and a flue pipe.

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