Suzhou Huaene | Analyse the reason why the waste gas treatment equipment is blocked:

Waste gas treatment equipment will be blocked after a period of time, just like the computer will be blocked after a period of time. What are the factors that constitute the blockage of waste gas treatment equipment? Let's analyze them below.

1. Policy control of desulfurization system.

2. Heating in liquid phase at low temperature.

3. The selection of internal parts of waste gas treatment equipment is incorrect.

4. No suitable desulfurizer was selected.

5. The regeneration effect of desulfurization liquor is poor and the sulfur content in lean liquor is high. The bad regeneration is that the NaHS absorbed by Na2CO3 in the tower was absorbed by H2S instead of completely oxidized to sulfur. It was floated to the foam tank and brought into the chemical waste gas treatment equipment. The oxidation reaction was finished on the top of the tower, forming elemental sulfur and then attached to the surface of the packing. This is the main element of the upper block of chemical waste gas treatment equipment.

6. Quality of sulfur recovery: The quality of sulfur recovery can directly reflect how much H2S has been removed. Even if the desulfurization system is running well and the sulfur can not be recovered, it must be stuck in the tower, burying hidden dangers for blocking the tower. Also, if the return liquid of molten sulphur is returned to the system, it is an important element to form a high content of by-salts.

7. Dust removal effect of the former section: As everyone knows, the gas components entering the desulfurization system are disorderly and rich in many impurities and dirt. Once entering the waste gas treatment equipment, it is difficult to take them out. The plugging elements of the wet desulfurization tower will be mixed with sulphur paste and the countermeasures will constitute the plugging tower.

Generally, the packing tower of chemical waste gas treatment equipment is divided into three sections. If the pressure difference of the lowest packing is large, it is mostly due to the unsatisfactory dust removal effect.

What methods should we adopt to deal with the blockage of waste gas treatment equipment?

1. The composition of desulfurization solution should be strictly controlled. PH value, total basicity, Na2CO3, NaHCO 3, by-salt and suspended sulfur should be controlled within the guidelines. Select the appropriate filler, according to the size of desulfurization liquid circulation.

2. Ensure the regenerated air intake and blowing intensity, ensure the regeneration effect, thoroughly analyse and float the elemental sulfur out.

3. Adding a liquid-rich tank, a liquid-rich pump and a cooling tower in the desulfurization system to ensure that the desulfurization liquid has a satisfactory regeneration time, the release time of dissolved gas and the solution temperature in the optimal operating temperature range.

4. Strengthen the water quality of cooling tower and pretreatment of semi-water gas. Industrial waste gas treatment equipment of sewage plant increases the amount of water on the scrubber before desulfurization, and opens electrostatic coke removal to reduce the content of coal dust and tar substituted for desulfurization system.

5. Strengthen the treatment of desulfurization solution and strictly implement the technical guidelines.

6. It is required that no overflow sulphur foam should be poured into the foam tank, and the recovered liquid should be settled before being applied to the system.

7. Select the appropriate solution circulation through skill accounting, and increase the solution circulation at regular intervals to flush the packed section of desulfurization tower successively.

Above, we can see that there are many factors in blocking tower of industrial waste gas treatment equipment, but whether the skill or the equipment factor, it is related to the skill operation of each company. After all, we should carefully look for the elements, and then prescribe the right medicine, which is the best way to deal with it.