environmental chain grate steam boiler

Misunderstandings in cleaning of condensing boilers and their improvement measures

During the manufacture, transportation and installation of the condensing boiler directly supplied by the new factory, the inner wall of the condensing boiler is concentrated with oxide or other dirt, which causes the condensing boiler to be corroded by the hot surface during its initial operation. Therefore, a series of measures should be taken to ensure the cleanliness of the condensing boiler when it is installed and ready to run. So in the process of consumer cleaning, what mistakes will be misplaced, and how to use it correctly?

1. there is no chemical analysis in the process of chemical cleaning: chemical cleaning is a very rigorous process. But if the chemical cleaning is not complete, some of the dirt has not been completely cleaned; and if the cleaning time is too long, Wash phenomenon will occur; cleaning effect is not good, secondary cleaning will waste raw materials, and delay time. The phenomenon of excessive washing will aggravate the corrosion of condensing boiler, cause the metal bearing capacity of condensing boiler to decrease, and affect the normal operation of condensing boiler. The improvement measures are: must do the chemical analysis detection in the chemical cleaning process, every ten minutes to test the acidity, the total iron ion concentration, the PH value. When the two analytical data are close, the chemical cleaning reaches the end point, neutralizing the acid solution to the neutral and then discharging.

2. no passivation after chemical cleaning: passivation process is actually a clean condensation boiler body surface and passivation agent re-reaction process. Because the control point of passivation is more strict, if the control point is not well controlled, the passivation will fail, and if the pickling is finished, only simple neutralization will be carried out, and the cleaning will end, which makes the surface of the cleaned condensing boiler easy to produce secondary floating rust. The scale-inhibiting ability of condensing boiler is reduced, which makes it easy to rust. The improvement measure is to rinse and passivate the condensing boiler after pickling. Because the passivation requirement is relatively strict, the concentration of total iron ions must be strictly controlled in the rinsing process. Rinse After finishing, the pH value should be adjusted to strong alkalinity immediately after the iron ion is detected, and the passivation agent should be added to passivate the temperature.

Industrial boiler pot-treatment plant Notice industrial boiler pot-treatment plant in Note 1, the pot of water adjusted index Dosage: take the pot should regularly test the water if the water boiler index failed to promptly adjust dosing. the amount. 2, first cleaning and then scale: If the boiler has already been completed have more scale, the scale should be pre-cleared, and then using the boiler dosing process in order to avoid disaster furnace operation due to the effect of scale drug accumulation or loss caused clogging pipes. The worst case, can cause bulge or boiler tube rupture. 3, reasonable irresolute pollution: pot-effect at the Rose flower and boiler blowdown closely pot-generated slag can not speak dirt removed to prevent boiler scaling through. 4, regular inspection shutdown: pot-treatment effect can be seen only before the inspection shutdown, shutdown should generally be six months to check the word. If the cleaning effect is not ideal, should be timely adjusted. Bing pot of water to completely remove the slag or scale.

Such as hotel Home Hotel Group is one of the three major brands, in 300 cities in the country has nearly 2,000 hotels. Home Inns has won China Golden Pillow Award for Best Chinese economy hotel chain brand award, in 2014, Home Inns brand value of $ 420 million of selected China's top 100 brands. April 4, 2016, BTG hotel groups such as the privatization of the hotel purchase transaction has been completed delivery. In mid-2016, as a Beijing hotel with our preliminary communication, the urgent need two boilers work of heating and hot water supply. I related technical engineers and recommend it to calculate the number and size of the boiler on the hotel room as hotel Willy sharp V6-99 two models.

The boiler trial operation is so important. Below, let the gas environmental chain grate steam boiler manufacturer---Fangkuai shares introduce the steam boiler test operation procedures:

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