sui@qdczpower.com

Manufacturer of Turbine Components

Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs

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C580

The C580 steam turbine is a multi-stage back-pressure type unit featuring a single-deck layout for compact dimensions and easy installation.

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Industrial drag turbine

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Product Description

The C580 steam turbine is a multi-stage back-pressure type unit featuring a single-deck layout for compact dimensions and easy installation. The main shaft speed is 8000 rpm, with a maximum speed of 10000 rpm achievable. The unit incorporates an integral forged rotor, with the flow path comprising one regulating stage and 3 to 10 pressure stages. Axial steam seals between stages minimize leakage. The main steam valve is an automatic valve, with its operation controlled by high-pressure oil. This unit offers a power range of 2000-7500 kW, featuring broad applicability, low operational costs, and significant economic benefits.

Structural Features

● Structure: Quick-mount double-pivot multi-stage back-pressure steam turbine

● Layout: Single-deck arrangement

● Mechanical speed control: Fully hydraulic speed control

● Electronic speed control: DEH

● Overspeed Protection: Dual mechanical fly-hammer systems with electromagnetic valve electronic intelligent control

● Steam Seal Type: Stainless steel labyrinth steam seal

● Main Steam Valve: Integrated automatic main steam valve (with quick-closing combination device)

● Main Shaft Assembly: Integral forged rotor

● Lubrication System: Forced oil lubrication with oil thinning station and cooler

● Thermal Expansion Compensation: Sliding thermal compensation for front bearing support

Product Specifications

	Product Model	Rated Power (KW)	Rotational Speed (r/min)	Steam Inlet Pressure (MPa)	Steam Inlet Temperature (℃)	Exhaust Pressure (MPa)	Fuel Consumption Rate
Press-type low-temperature low-pressure	B1.0-1.6/0.5	1000	6500	1.6	330	0.5	20
	B2.0-1.6/0.5	2000	6500	1.6	330	0.5	18
	B3.0-1.6/0.3	3000	6500	1.6	330	0.3	13
Medium-temperature, medium-pressure model	B1.0-2.5/0.8	1000	6500	2.5	390	0.8	18.5
	B2.0-2.5/0.8	2000	6500	2.5	390	0.8	17
	B3.0-2.5/0.8	3000	6500	2.5	390	0.8	16.33
	B1.0-3.43/1.0	1000	7500	3.43	435	1.0	17
	B1.0-3.43/1.3	1000	7500	3.43	435	1.3	21
	B2.0-3.43/1.0	2000	7500	3.43	435	1.0	15.5
	B2.0-3.43/1.3	2000	7500	3.43	435	1.3	19.25
	B3.0-3.43/1.0	3000	7500	3.43	435	1.0	14.33
	B3.0-3.43/1.3	3000	7500	3.43	435	1.3	17.67
	B6.0-3.43/1.0	6000	7500	3.43	435	1.0	13.83
	B6.0-3.43/1.3	6000	7500	3.43	435	1.3	16.67
Sub-high-temperature sub-low-pressure model	B1.0-4.5/1.0	1000	8000	4.5	470	1.0	13.5
	B1.0-4.5/1.3	1000	8000	4.5	470	1.3	16
	B2.0-4.5/1.0	2000	8000	4.5	470	1.0	13
	B2.0-4.5/1.3	2000	8000	4.5	470	1.3	15
	B30-45/10	3000	8000	45	470	10	12
	B3.0-4.5/1.3	3000	8000	4.5	470	1.3	14
	B6.0-4.5/1.0	6000	8000	4.5	470	1.0	11.33
	B6.0-4.5/1.3	6000	8000	4.5	470	1.3	13.33
Note: Inlet and exhaust steam pressures are absolute pressures. Turbine body weight: 3.5 tons. Dimensions: 2000mm × 1600mm × 2200mm.

Schematic Diagram

Serial Number	Part Name	Serial Number	Part Name
1	Chassis	12	Cylinder Lower Half
2	Front seat frame	13	Oil Seal Ring
3	Front bearing housing	14	Rear Bearing Housing
4	Emergency shut-off valve	15	Rear Steam Seal
5	Thrust Bearing Support	16	Sixth Stage Divider
6	Hydraulic Assembly	17	Fifth Stage Divider
7	Front Steam Seal	18	Fourth Stage Divider
8	Steam Valve and Connecting Rod	19	Third Stage Divider
9	Rotor	20	Second Stage Divider
10	Cylinder Upper Half	21	First Stage Divider
11	Rear Bearing	22	Nozzle