Arero metal impeller Single Stage Centrifugal Blowers , Wastewater blower

Single Stage Centrifugal Blower, 15000m3/h, 75KW, Arero metal impeller

About GS
Single-speed High-speed centrifugal blower is the new product which designed by B-Tohin Machine. The pneumatic performance and structural design of the series of products has reached the advanced level
of similar products at home and abroad .The blowers are widely used in sewage water treatment, metallurgy,
fluidization of circulating fluidization bed boiler in power station, exhaust gas desulphurization, pharmacy ,
gas booster and so on.

Specifications

Applications

a. For Cement industry: cement conveying blower,ventilating, etc.
b. For Sewage Treatment System: aeration blower, back-washing blower, etc.
c. For Pneumatic Conveying: to conveying powder materials, such as flour, cement, sand, grain, etc.
d. For Dust Collecting, dust cleaning, ventilation in some factory, hospital, buildings, etc.
e. For Electric Power Plant: gas conveying, oxygen increasing, ventilating, dust cleaning, etc.

Key Technology

1. Inlet guide vane device position——in front of blower impeller Function——Not only for adjusting the blower capacity within 45% - 100%, but also for ensuring the blower to reach the highest efficiency within its adjusting scope, especially when operation parameters deviating from the designed data (low temperature or low pressure). Adjusting——automatic or manual operation by clicking the touch screen on blower control box. Under the automatic operation, the inlet guide vane is adjusted by electric operator at a set ratio after it receives 4-20mA DC signal, while under manual operation or maintenance condition, the vane is adjusted manually.
2. Mature volute design Reliable pneumatic performance, high efficiency, multi-variable efficiency of 85 %.
3. Impeller of high efficiency The curve for the impeller is selected recurring to simulate working condition on computer, and better fitting for the actual flowage of gas. Made of aerial aluminum alloy or stainless steel, open path backward bent (its smallest dip angle of 6 degree), surface fine machined.
4. Step-up gear box structure and bearing of high reliability The gear box is of horizontal –split structure, volute casing connected to lower casing and separated from upper casing,through which shorten the time required for unloading box cover. High-speed shaft adopts hard thrust disc technology, high-efficiency and low mechanical loss confirmed by line contact. Ellipse ( dislocation ) bearing adopted for big gear,tilting-pad bearing for high-speed gear. The shaft of blower and gear is made of heat-treated forging steel and proper grinded. Every horizontal critical speed is within the scope of±15% than the normal speed, and torsion resonance speed is within the scope of±10% than the running speed, all rotating parts is dynamic balanced. The step-up gear is of Parallel Axis helical type with integral small gear and rotating shaft. Made of surface-quenching forging alloy steel and precisely grinded, the gear’s service index is 1.8 at least.
5. High-precision gear driving Gear of the higher quality grade adopted Gear precision grade is stabilized at ISO1328 5~4 The precision grade can reach 3. Precision grade equal to the standard AGMA or DIN
6. Connection between impeller and high-speed shaft Adopt the connection type of straight end-face key (pin) and triangular shaft The highest power it can transfer reaches 3,000 kW. Convenient in assembling and disassembling without damage to parts
7. Seals of high performance The material of seals is alloy of soft texture. (spiral seal adopted) Reliable function, long service life No leakage problem Low cost required for maintenance, convenient in replacement Energy consumption lowered by no friction

Operation result

• The most Striking feature of GS blower is energy efficiency.

From Mar. 1, 2009, we have started trial running of one blower (Model: GS160) in Qiting Sewage Treatment Plant.

Comparing with two roots blowers each of capacity 80m3/min and motor power 132kW operated before, every month 30000 RMB has been saved after use of GS Single-stage High-speed Centrifugal Blower, though it is not at full load operation.

• Safer and More Convenient

Controlled full-automatically with every breakdown recorded, more convenient for operator

• Low noise

Assembling drawing of blower package


Standard supply of scope

1. Blower Main body
2. Inlet guide vane
3. Inlet silencer
4. Stainless steel flexible joint
5. High speed gear box
7. Discharge valve
8. Check valve
9. Base frame
10. Lubricant system
11. PLC control box
12. Motor

B-Tohin Machine (Jiangsu) Co., Ltd. is a foreign invested enterprise established in 1994. It is located at Yixing Industrial Park for Environmental Science & Technology, one of State High-Technology Development Zones. With total registered capital of RMB 120 million and total investment of RMB 160 million B-Tohin is engaged in production and sales of HC blower, BK and YU Roots blowers,air compressor blower,screw blower, anti-corrosion and anti-explosion stainless steel Roots blowers, gear speed-up centrifugal blower, multi-stage centrifugal blowers and in the sales of other supporting products for water treatment in environmental protection, such as water pump (YU, WQ submersible pump, YYOW split case pump), mixer, dewatering machine, etc. By the purchase of a new building of 26000 m2 area in Yixing Economic Development Zone in 2015, the expansion of production scale is supported.

B-Tohin’s products have been widely used in various industries, including water treatment, construction material and cement manufacture, chemical industry, electricity, petroleum, steel, metallurgy, mine, food convey lines, etc., enjoying a good reputation among customers both in the overseas and domestic market.

In the company’s Research and Development Center, a technical innovation team composed of professor level Senior Engineers, Doctors, Masters and many undergraduates, is aiming at the service for environmental protection by tracing and developing the products of high level.

B-Tohin has made great investment in introducing CNC, full-automatic digital control lathes, CMM and other advanced equipment to ensure good quality. A complete set of advanced horizontal OKUMA CNC was introduced specially for the fine finish machining of blower cylinders and end-covers; a NC machine was imported for the processing of blower parts; a Taiwan Dahlih-made CNC was equipped for machining the parts of middle and large size blowers; and several back-forth curve machining planers were introduced for solving the problem of shapers’ precision problem. This kind of planer ranks among the advanced level in China which is specially designed for curve machining of blower rotors. In the beginning of 2015, we cooperated with Testing Laboratory of Shenyang Blower Research Institute (Quality Supervision & Inspection Center for Blowers of China Machinery Industry), and a whole set of blower performance test system was designed for us according to the Roots Blower Industry Standard by the Laboratory.

Passed the certification of ISO9001 & ISO 14001:2400, the company has been nominated as “High & New-tech Enterprises of Jiangsu Province” and “Pneumatic Technology Research Center of Jiangsu Province”. In successive seven years, B-Tohin has been honored as “Favorite Brand of Users in Water Treatment Industry” and “Main Enterprise in Chinese Roots Blower Industry” in 2014, it has been awarded the title of “2014 Top 10 Brands in Chinese Water Industry” on website.

Being a member of National Commission for Pneumatic Conveying and National Technical Committee of Standardization of Blower, and one of the sponsors of National Union of Environmental Protection Equipment Brands, B-Tohin Machine has been an excellent and famous enterprise in environmental protection blower industry.

B-Tohin’s tenet of “Eternal pursuit of improving, eternal promise of satisfying customers” and spirit of “Together with Heat” are always kept in every employee’s mind and in every step of company management. All the honors belong to the past only, people of B-Tohin will make every endeavor to design and manufacture more perfect products for contributing more to the related industries both at home and abroad and to our domestic machinery industry.