With its efficient dust removal ability and wide applicability, environmental protection equipment-self-excited wet dust collector occupies an important position in industrial waste gas treatment. Its structural design is directly related to dust removal efficiency and energy consumption level. Optimizing the structure can not only improve the dust removal effect, but also reduce operating costs, achieving the dual benefits of environmental protection and economy. In-depth exploration of the relationship between structural design and performance is of great significance to promoting the development of environmental protection equipment-self-excited wet dust collector technology.
Environmental protection equipment-self-excited wet dust collector is mainly composed of air inlet, S-shaped channel, water tank, spray system, dehydration device and other parts. The dust-containing gas enters from the air inlet, and when passing through the S-shaped channel, it has a violent impact with the water in the water tank, forming water splashes and water mist, and the dust is fully contacted with the water droplets and then captured. The spray system further increases the gas-liquid contact area and enhances the dust removal effect. Finally, the dehydration device separates and discharges the water in the purified gas. In this process, the synergistic effect of each structure determines the dust capture efficiency and energy consumption.
The shape, size and angle design of the air inlet affect the uniformity of air flow distribution. If the air inlet design is unreasonable, it is easy to cause gas deviation, resulting in insufficient gas-liquid contact in some areas and reducing dust removal efficiency. For example, the use of a gradually expanding air inlet and a guide plate can make the air flow evenly diffuse, avoid local high-speed air flow scouring, and ensure that the dust and water droplets are fully in contact. At the same time, a reasonable air intake structure can reduce gas flow resistance and reduce fan energy consumption. In addition, the connection accuracy between the air inlet position and the S-shaped channel is also crucial. Accurate structural design can make the gas transition smoothly and reduce energy loss.
The S-shaped channel and water tank are the core reaction areas of the environmental protection equipment-self-excited wet dust collector. The curvature, depth of the channel and the water level of the water tank directly affect the gas-liquid contact intensity. If the curvature of the channel is too large or too small, it will affect the effect of water splash formation; if the water level of the water tank is too high, the gas may carry a lot of water, and if the water level is too low, it will not be able to form a sufficient dust removal water curtain. By optimizing the curvature of the S-shaped channel and the water level control system of the water tank, the gas can produce the best impact effect in the channel and improve the dust capture efficiency. At the same time, the reasonable design of the volume and water replenishment system of the water tank can ensure stable dust removal conditions and avoid the dust removal performance being affected by water level fluctuations.
The nozzle type, layout density and spray angle of the spray system affect the gas-liquid mixing effect. Using nozzles with good atomization effect and arranging them reasonably can increase the probability of collision between water droplets and dust and improve dust removal efficiency, but too much spraying will increase the energy consumption of the water pump. Therefore, it is necessary to optimize the spray parameters according to the dust concentration and properties. The structural design of the dehydration device is also critical. Efficient dehydration structures (such as baffles and cyclone dehydrators) can effectively separate the water in the gas, reduce the corrosion and blockage problems of subsequent equipment caused by residual water, and reduce maintenance costs and energy consumption. If dehydration is not thorough, it may also cause secondary pollution and affect the overall dust removal effect.
The selection of structural materials and the sealing of equipment will also affect the dust removal efficiency and energy consumption. Materials with strong corrosion resistance (such as stainless steel and fiberglass) can extend the service life of the equipment and reduce structural damage and performance degradation caused by material corrosion. Good sealing design can prevent gas leakage, avoid direct discharge of untreated dust-containing gas, and ensure dust removal efficiency. At the same time, reducing gas leakage can reduce the energy consumption of the fan due to supplementary air volume. In addition, reasonable structural strength design can ensure the stable operation of the equipment under high pressure and high dust load, and reduce energy loss caused by structural vibration or deformation.
The structural design of environmental protection equipment-self-excited wet dust collector has an important impact on dust removal efficiency and energy consumption by affecting gas-liquid contact, air flow distribution, energy consumption and other aspects. By optimizing the core structures such as the air inlet, S-shaped channel, spray system, dehydration device, rationally selecting materials and strengthening the sealing design, a balance between efficient dust removal and low energy consumption operation can be achieved. In the future, with the development of new materials and new technologies, the structural design of environmental protection equipment-self-excited wet dust collector will develop in the direction of greater efficiency, energy saving and intelligence, providing better solutions for industrial waste gas treatment.