
Desulfurization oxidation roots blower is widely used in the flue gas desulfurization, denitrification and dust removal system. We need to pay attention to the following when selecting models:
The majority of desulfurization and oxidation fans are Roots fans. In recent years, some inferior products have many problems. Common problems include:
1. Roots blower produced by inferior manufacturers has a high failure rate. Due to the lack of experience and technical accumulation in the selection and manufacturing of desulfurization equipment in some small workshops, there were problems such as unreasonable selection and unqualified equipment quality to varying degrees in the desulfurization projects swarming several years ago. These problems have gradually emerged in recent years, and many oxidation fans in power plants are faced with frequent maintenance and replacement.
2. The model selection is not professional, resulting in loud noise. Due to unprofessional selection and other errors, combined with the principle and characteristics of Roots blower, the noise is large and the air flow is unstable. In order to reduce noise, it is necessary to set up sound insulation shed in the existing plant. Even so, it is still one of the largest noise sources in the plant.
3. The price is high in the early stage and the maintenance cost is high in the later stage. In order to avoid the drawbacks of Roots blower, some manufacturers have adopted imported blowers. Although the products are no less than those made in China, the spare parts are expensive and have a long cycle, which makes many power plants miserable. In addition, although the quality of Roots blower is good, there are still many problems due to model selection or adaptability. For example, although Weiqiao Factory later took measures, due to problems such as model selection and equipment life, the lubricating oil needs to be replaced every 100 hours, resulting in high operating costs, and the replacement of parts is also very troublesome.

The Roots blower for desulfurization and oxidation in the power plant can supply sufficient air for limestone gypsum flue gas desulfurization, ammonia desulfurization and other processes in the flue gas desulfurization, denitrification and dust removal system. Take the limestone gypsum method as an example. In calcium desulfurization, limestone powder is added with water to make limestone slurry as an absorbent and pumped into the absorption tower to fully contact with the flue gas for mixing. Sulfur dioxide in the flue gas, calcium carbonate in the slurry and air pumped from the lower part of the tower through the oxidation fan are oxidized to generate calcium sulfate by-products. When the calcium sulfate by-products reach a certain degree of saturation, Crystallization forms dihydrate gypsum.
Performance characteristics:
1. Desulfurization oxidation Roots blower is cheap, reliable in quality, cost-effective, stable in quality, simple in operation and easy to maintain;
2. Desulfurization and oxidation fans have complete specifications and models, and can be flexibly selected according to needs;
3. Desulfurization oxidation roots blower has compact structure, stable quality, high reliability, high compression ratio, good labyrinth sealing, no oil pollution, cleaner transmission medium, convenient maintenance and beautiful appearance;
4. Desulfurization oxidation roots blower has high volumetric efficiency, large gas supply, stable and reliable operation, and more stable working characteristics;
5. It is made of fan parts by precision machining, with high precision, high reliability and long service life;
6. Safety interlock protection system, pressure and temperature control, emergency shutdown of oxygen increasing fan under abnormal conditions.

Model Parameter Table of Desulfurization and Oxidation Roots Blower in Power Plant
model (xqs Roots blower) | Air volume range (m?/min) | Motor power range (kw) | Outlet diameter | Fan weight (KG) | Pressure range | Voltage |
Sr50 | 0.65-2.13 | 0.75-4 | DN50 | 87-119 | 9.8kp-58.8kp | 380V |
Sr65 | 0.94-3.00 | 0.75-5.5 | DN65 | 98-145 |
Sr80 | 2.34-5.22 | 2.2-7.5 | DN80 | 156-200 |
Sr100 | 3.25-8.05 | 2.2-15 | DN100 | 190-297 |
Sr125 | 5.35-11.7 | 3-18.5 | DN125 | 285-401 |
Sr150 | 10.37-27.15 | 7.5-45 | DN150 | 471-706 |
Sr175 | 19.65-38.67 | 11-75 | DN175 | 601-1090 |
Sr200 | 27.65-57.14 | 15-90 | DN200 | 975-1490 |
Sr-225 | 32.95-70.56 | 18.5-110 | DN225 | 1080-1845 |
Sr-250s | 35.83-76.72 | 18.5-132 | DN250 | 1115-1936 |
Sr-250/300 | 61.4-114.8 | 30-160 | DN250/300 | 1843-2761 |
Sr-300L/300L1 | 104.1-183.6 | 37-200 | DN300 | 2031-3440 |
Sr-350/350L | 105.5-226 | 37-280 | DN350 | 3870-5700
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When you need to purchase Desulfurization oxidation roots blower of power plant Please inform the following items in detail:
1. Use of Roots blower: sewage treatment, aquaculture, pneumatic conveying, etc
2. Fan specifications: caliber, required air volume, pressure rise, etc
3. Transmission medium: air, gas, biogas and other corrosive gases
4. Equipment requirements: form, cycle number, voltage, single-phase or three-phase
5. Equipment service conditions: indoor or outdoor, ambient temperature
6. Fan accessories
7. Fan color (with or without specified color
8. Note: the allowable range of specified flow and pressure rise (vacuum degree) is ± 5%

Shandong Xinqianshun Machinery Co., Ltd. is a professional company integrating design, development and sales Roots blower manufacturer The company is located in the east of Mingshui City, Zhangqiu City, Shandong Province, with extremely convenient transportation.
The company mainly produces XQSSR series Three blade roots blower 。 This product absorbs advanced technology and relies on a new generation of efficient and energy-saving products developed by scientific research institutes. It has reasonable structure, small size, high efficiency, low noise, stable operation, long service life, convenient maintenance and other characteristics, and is widely used in sewage treatment, mining, metallurgy, chemicals, building materials, electricity, light industry, flour, aquaculture and other fields. Over the years, it has been well received by users. The company always faces the future with new ideas, new attitudes, new perspectives, broad mind and unprecedented boldness 【 see more 】

Welcome to purchase our company's fans and put forward valuable suggestions. You can contact us through the following ways.
Shandong Xinqianshun Machinery Co., Ltd
Contact: Manager Liu
Telephone: 0531-83663588 return Oxidation fan
mobile phone: thirteen billion one hundred and eighty-one million seven hundred thousand seven hundred and eighty-eight
Email: [email protected]
Address: Chengdong Industrial Park, Zhangqiu District, Shandong Province