Centrifugal blower_Changsha Blower Co., Ltd.

C series multi stage low speed centrifugal blower

Product details

Product Introduction

On the basis of absorbing new technology inside and outside China, Changsha Blower Co.,Ltd. and Xian Jiaotong University teamed up to develop the centrifugal blowers, that include multistage low speed centrifugal blowers, single-stage low speed centrifugal blowers and single-stage high speed centrifugal blowers, three series, more than 100 models, with the capacity 50～2000m³/min and pressure rise 10～150kPa.

● C Series Multistage Low Speed Centrifugal Blower

With capacity 50～1000m³/min, pressure rise 19.6～150kPa, and construction of single intaking, double supporting, multistage, the C series multistage low speed centrifugal blowers are widely used in water treatment aeration, power plant desulfurization and oxidation, melting furnace, coal washery, mine flotation, chemical gas making, vacuum, etc. They also can be used to convey special gases such as coal gas and biogas by changing construction suitably.

Derived Models

The following models are derived from the above three models:

●Sewage treatment blower capacity: 50～600m³/min pressure rise:49.0～98kPa

●Desulfurization&oxidation blower capacity: 60～800m³/minpressure rise: 49.0～150kPa

●Sulfur dioxide blower capacity: 200～2000m³/minpressure rise: 26.4～53.9kPa

●Gas-making furnace blower capacity: 300～1500m³/minpressure rise: 23.5～34.3kPa

●Cupola blower capacity:50～350m³/minpressure rise: 9.8～29.4kPa

●Smelting furnace blower capacity:100～1000m³/minpressure rise: 49.0～150kPa

●Coal gas blowercapacity:100～1250m³/minpressure rise: 19.6～53.9kPa

●Coal flotation&washing blowercapacity:50～500m³/minpressure rise:19.6～68.6kPa

Model Selection

Model Introduction

For example：

C300–1.7/1.0

It means a multistage centrifugal blower, when temperature is 20℃, intake pressure is 1.0kgf/cm²（98kPa）, relative humidity is 50%, the capacity is 300 m³/min, and discharge pressure is 1.7kgf/cm²(pressure rise 68.6kPa).

Model Selection Drawing

The performance range of blower could be determined approximately by capacity and pressure as drawing show, plus another conditions, a precise model could be confirmed by professionals.

Elements of Model Selection

● Technical conditions

Medium, intake conditions, capacity, pressure rise (or discharge pressure), ambient conditions.

●Model Selection Calculation

If the medium is air, intake conditions and ambient conditions are as same as the catalogue conditions, the model could be selected directly according to capacity and pressure rise (or discharge pressure) among the catalogue models.

If the medium, or intake conditions, or ambient conditions, are not as same as the catalogue conditions, (for example, the temperature or density is very different.) then the parameters of model selection should be calculated and rectified.

（1） Ambient temperature

The design temperature of blower is 20℃. For aeration blower, every 1℃ that intake temperature increases will lead a 0.002kgf/cm² decline of discharge pressure. Thus, when the temperature is 40℃ in summer, the discharge pressure will decline 0.04kgf/cm2

（1） Altitude

The design intake pressure of blower is 1.0kgf/cm². When the altitude is high, the capacity and discharge pressure should be rectified according to local atmosphere pressure.

（2） Capacity Conversion

If the standard capacity at standard condition(0℃，1.033kgf/cm²) is QN, then the actual intake capacity at intake condition (ts,Ps) is Qs, there is a conversion formula:

Qs=( ts+273)/273×1.033/ Ps×QN

ts: intake temperature，℃

Ps: intake pressure，kgf/cm²

（3） Conversion between pressure unit in common use

9.8kPa=0.1 kgf/cm2=1000mmH2O=98mbar=0.0967atm=73.5mmHg

● Features:

◎ Due to the advanced design of aerodynamic, the impeller is of high efficiency.

◎ The casing is of horizontal division welding structure, simple and light in weight.

◎ Due to flat performance curve, performance can be easily adjusted.

◎ Reasonable and advanced construction, reduces the wearing parts, and makes the operation and maintenance convenient.

● Typical Performance Data of Multistage Centrifugal Blower

Type	deliver medium	Intake condition			pressure rise (kpa)	La(kW)	Po（kW）
Type	deliver medium	capacity (m³/min)	pressure (kgf/cm²)	temperature (℃)	pressure rise (kpa)	La(kW)	Po（kW）
C50-1.2	air	50	1.0	20	19.6	21	30
C50-1.3	air	50	1.0	20	29.4	33.5	45
C50-1.4	air	50	1.0	20	39.2	43.7	55
C50-1.5	air	50	1.0	20	49.0	53.2	75
C50-1.6	air	50	1.0	20	58.8	67.9	90
C60-1.2	air	60	1.0	20	19.6	27.1	37
C60-1.3	air	60	1.0	20	29.4	40.4	55
C60-1.4	air	60	1.0	20	39.2	50.7	75
C60-1.5	air	60	1.0	20	49.0	69.1	90
C60-1.6	air	60	1.0	20	58.8	79.1	110
C80-1.2	air	80	1.0	20	19.6	35.2	45
C80-1.3	air	80	1.0	20	29.4	53.3	75
C80-1.4	air	80	1.0	20	39.2	70.7	90
C80-1.5	air	80	1.0	20	49.0	89.5	110
C80-1.6	air	80	1.0	20	58.8	104	132
C80-1.7	air	80	1.0	20	68.6	120	160
C100-1.2	air	100	1.0	20	19.6	45.7	55
C100-1.3	air	100	1.0	20	29.4	68.0	90
C100-1.4	air	100	1.0	20	39.2	90.0	110
C100-1.5	air	100	1.0	20	49.0	111	132
C100-1.6	air	100	1.0	20	58.8	131	160
C100-1.7	air	100	1.0	20	68.6	153	185
C125-1.2	air	125	1.0	20	19.6	57	75
C125-1.3	air	125	1.0	20	29.4	85.0	110
C125-1.4	air	125	1.0	20	39.2	111	132
C125-1.5	air	125	1.0	20	49.0	137	160
C125-1.6	air	125	1.0	20	58.8	163	185
C125-1.7	air	125	1.0	20	68.6	188	220
C150-1.2	air	150	1.0	20	19.6	66.2	90
C150-1.3	air	150	1.0	20	29.4	97.7	132
C150-1.4	air	150	1.0	20	39.2	129	160
C150-1.5	air	150	1.0	20	49.0	160	185
C150-1.6	air	150	1.0	20	58.8	191	220
C150-1.7	air	150	1.0	20	68.6	221.3	250
C150-1.8	air	150	1.0	20	78.4	249.1	315
C200-1.2	air	200	1.0	20	19.6	87.6	110
C200-1.3	air	200	1.0	20	29.4	129.3	160
C200-1.4	air	200	1.0	20	39.2	171	200
C200-1.5	air	200	1.0	20	49.0	212	250
C200-1.6	air	200	1.0	20	58.8	241	280
C200-1.7	air	200	1.0	20	68.6	279	355
C200-1.8	air	200	1.0	20	78.4	327	400
C250-1.2	air	250	1.0	20	19.6	109	132
C250-1.3	air	250	1.0	20	29.4	161	185
C250-1.4	air	250	1.0	20	39.2	212	250
C250-1.5	air	250	1.0	20	49.0	263	315
C250-1.6	air	250	1.0	20	58.8	312	355
C250-1.7	air	250	1.0	20	68.6	360	450
C250-1.8	air	250	1.0	20	78.4	406	500
C300-1.3	air	300	1.0	20	29.4	191	220
C300-1.4	air	300	1.0	20	39.2	251	315
C300-1.5	air	300	1.0	20	49.0	311	400
C300-1.6	air	300	1.0	20	58.8	369	450
C300-1.7	air	300	1.0	20	68.6	426	500
C300-1.8	air	300	1.0	20	78.4	480	560
C300-1.9	air	300	1.0	20	88.2	532	630
C350-1.3	air	350	1.0	20	29.4	150	185
C350-1.4	air	350	1.0	20	39.2	221	250
C350-1.5	air	350	1.0	20	49.0	291	355
C350-1.6	air	350	1.0	20	58.8	361	450
C350-1.7	air	350	1.0	20	68.6	428	500
C350-1.8	air	350	1.0	20	78.4	552	630
C350-1.9	air	350	1.0	20	88.2	611	710
C400-1.3	air	400	1.0	20	29.4	249	315
C400-1.4	air	400	1.0	20	39.2	328	400
C400-1.5	air	400	1.0	20	49.0	404	500
C400-1.6	air	400	1.0	20	58.8	482	560
C400-1.7	air	400	1.0	20	68.6	557	630
C400-1.8	air	400	1.0	20	78.4	626	710
C400-1.9	air	400	1.0	20	88.2	694	800
C400-2	air	400	1.0	20	98	775	900
C500-1.5	air	500	1.0	20	49.0	505	630
C500-1.6	air	500	1.0	20	58.8	603	710
C500-1.7	air	500	1.0	20	68.6	701	800
C500-1.8	air	500	1.0	20	78.4	789	900
C500-1.9	air	500	1.0	20	88.2	874	1000
C500-2.0	air	500	1.0	20	98	969	1120
C500-2.1	air	500	1.0	20	107.8	1066	1250
C600-1.5	air	600	1.0	20	49.0	606	710
C600-1.6	air	600	1.0	20	58.8	723	900
C600-1.7	air	600	1.0	20	68.6	841	1000
C600-1.8	air	600	1.0	20	78.4	946	1120
C600-1.9	air	600	1.0	20	88.2	1048	1250
C600-2.0	air	600	1.0	20	98	1162	1400
C600-2.1	air	600	1.0	20	107.8	1269	1400
C600-2.2	air	600	1.0	20	117.6	1374	1600
C600-2.5	air	600	1.0	20	147	1635	1800
C800-1.5	air	800	1.0	20	49	805	900
C800-2.0	air	800	1.0	20	98	1549	1800
C800-2.5	air	800	1.0	20	147	2190	2500
C1000-1.5	air	1000	1.0	20	49	1060	1250
C1000-2.0	air	1000	1.0	20	98	1936	2240
C1000-2.5	air	1000	1.0	20	147	2738	2500

● Layout of Multistage Centrifugal Blower

Layout of Multistage Centrifugal Blower (rolling bearing)

Layout of Multistage Centrifugal Blower(sliding bearing)

● Dimensions of Multistage Centrifugal Blower

Installation Dimensions of C Series Multistage Low Speed Centrifugal Blower(rolling bearing)

(This is only for reference, the foundation should be built on the basis of contract drawing.)

Type	A	A1	A2	B	C	H2	H1	H	L	L1	DN1	DN2	n-Mdxh
C60-1.4	2670	950	1590	700	880	885	460	1635	2300	650	250	250	8-M24x500
C60-1.5	2780	1050	1680	700	880	885	460	1635	2400	700	250	250	8-M24x500
C80-1.5	2980	1050	1600	700	880	885	460	1635	2600	750	300	250	8-M24x500
C80-1.7	3110	1415	1800	700	880	885	460	1635	3000	900	300	250	8-M24x500
C100-1.2	2440	710	1510	800	1150	980	400	1635	2000	600	350	300	8-M24x500
C100-1.3	2740	890	1690	800	1150	980	400	1635	2300	650	350	300	8-M24x500
C100-1.4	3110	1070	1870	800	1150	980	400	1635	2400	700	350	300	8-M24x500
C100-1.5	3180	1070	1870	800	1150	980	400	1635	2500	700	350	300	8-M24x500
C100-1.6	3360	1250	2050	800	1150	980	400	1635	3000	900	350	300	8-M24x630
C100-1.7	3540	1430	2230	800	1150	980	400	1635	3000	900	350	300	8-M24x630
C125-1.2	2510	710	1510	800	1150	980	400	1635	2100	600	350	300	8-M24x500
C125-1.3	2930	890	1690	800	1150	980	400	1635	2500	700	350	300	8-M24x500
C125-1.4	3180	1070	1870	800	1150	980	400	1635	2800	800	350	300	8-M24x500
C125-1.5	3180	1070	1870	800	1150	980	400	1635	2800	800	350	300	8-M24x500
C125-1.6	3360	1250	2050	800	1150	980	400	1635	3000	900	350	300	8-M24x630
C125-1.7	3770	1430	2230	800	1150	980	400	1635	3150	900	350	300	8-M24x630
C150-1.2	2450	600	1400	800	1150	980	495	1830	2300	650	400	350	8-M24x630
C150-1.3	2910	800	1600	800	1150	980	495	1830	2500	700	400	350	8-M24x630
C150-1.4	3110	1000	1800	800	1150	980	495	1830	2750	800	400	350	8-M30x800
C150-1.5	3310	1200	2000	800	1150	980	495	1830	2950	900	400	350	8-M30x800
C150-1.6	3540	1200	2000	800	1150	980	495	1830	2950	900	400	350	8-M30x800
C150-1.7	3760	1400	2200	800	1150	980	495	1830	3150	900	400	350	8-M30x800
C150-1.8	3940	1600	2400	800	1150	980	495	1830	3350	1000	400	350	8-M30x800
C200-1.2	2740	660	1500	800	1200	980	495	1830	2400	700	400	400	8-M24x630
C200-1.3	3010	860	1700	800	1200	980	495	1830	2700	800	400	400	8-M24x630
C200-1.4	3210	1060	1900	800	1200	980	495	1830	2900	850	400	400	8-M24x630
C200-1.5	3640	1250	2100	800	1200	980	495	1830	3200	900	400	400	8-M30x800
C200-1.6	3840	1450	2300	800	1200	980	495	1830	3400	950	400	400	8-M30x800
C200-1.7	4450	1450	2300	800	1200	980	495	1830	3800	850	400	400	10-M30x800
C200-1.8	4660	1660	2510	800	1200	980	495	1830	4000	900	400	400	10-M30x800
C250-1.2	2740	600	1430	800	1250	1050	620	1900	3400	950	500	450	8-M30x800
C250-1.3	2945	790	1635	800	1250	1050	620	1900	3450	950	500	450	8-M30x800
C250-1.4	3075	790	1635	800	1250	1050	620	1900	3650	850	500	450	10-M30x800
C250-1.5	3275	990	1835	800	1250	1050	620	1900	3900	850	500	450	10-M30x800
C250-1.6	4175	1140	2025	800	1250	1050	620	1900	4050	900	500	450	10-M30x800
C250-1.7	4215	1180	2065	800	1250	1050	620	1900	4050	900	500	450	10-M30x800
C250-1.8	4385	1350	2235	800	1250	1050	620	1900	4250	950	500	450	10-M30x800
C300-1.5	4155	990	1835	800	1250	1050	620	1900	3950	900	500	450	10-M30x800
C300-1.7	4385	1180	2065	800	1250	1050	620	1900	4050	900	500	450	10-M30x800

● The supply scope of multistage centrifugal blower

No.	Standard		Optional
No.	Name	Qty	Name	Qty
1	blower	1	Inlet silencer	1
2	Lubricating device	1	Discharge silencer	1
3	Motor	1	Outlet flexible joint	1
4	Inlet control valve	1	Outlet electric butterfly valve	1
5	Coupling	1	Atmospheric silencer	1
6	Coupling protector	1	Atmospheric electric butterfly valve	1
7	base	1	Check valve	1
8	Anchor bolt,nut,washer	1	Primary instrument	1
9	Spare parts	1	Spot control cabinet	1

*For the blower with rolling bearing, the lubricating device is included in the blower, for the blower with sliding bearing, the thin oil station is equipped.