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Company Products

Rotor Weighing Feeder

Rotor weighing feeder, balanced weighing structure and multi-format rotor. Air flow, sticky dirt, etc. will not cause zero changes. Weighing system weighing accurate and stable.
The use of high performance control system, responsive system, sensitive adjustment. Advanced microprocessing technology, powerful control software to ensure the accuracy of the system and the powder precision weighing and quantitative feeding.
Using frequency control technology, wide adjustment range, high precision, reliable operation.
Online test results can be targeted and corrected to ensure long-term stable operation of the system.
The system can be sealed design, no leakage and dust flying phenomenon, the system configuration flexibility, easy installation.
Communication function, in addition to their own control, the input and output a variety of signals to adapt to different control programs.
Main Specifications:
System Dynamic Cumulative Error: ≤ ± 1%
Control accuracy: ≤ ± 1%
Feeding capacity: 0.5t / h-70t / h (by capacity weight 1t / ㎡)
System power: ≤ 10Kw
Control system operating voltage: 220V ± 10% 50Hz ± 1Hz
Environment: Temperature -20 ℃ -50 ℃ Relative temperature ≤ 85 ℃
Material: powder material (coal, raw powder, fly ash, etc.)

Technical Parameters:

parameter name	Technical Parameters
Static weighing error	≤ ± 0.25%
Dynamic cumulative error	≤ ± 1%
Control error	≤ ± 1%
Zero value stability	≤0.0035% Cmax
Repeatability	≤0.06%
Linearity	≤ 0.25%
Instantaneous flow	0-70m³ / h
accumulation	0-99999999
Weighing units	Accumulated delivery volume t Instantaneous delivery quantity t / h
Power, power	Drive motor: 380V ± 10%, 50Hz
Power, power	Instrument: 220V ± 10%, 50Hz
Environmental requirements	Indoor installation: no more than 1000 meters above sea level, vibration 0.5kg800mm
	Ambient temperature: -20 ° C - + 40 ° C
	Storage temperature: -20 ℃ - +65 ℃
	Relative temperature: ≤85% RH
	Cooling method: natural cooling or air cooling
Dimensions	Instrument hole size: length × width = 282 × 88mm
	PLC hole size: length × width = 163.5 × 93.5mm
	Electrical control cabinet: high × width × depth = 1800 × 600 × 600mm

Production capacity:

model	Production capacity (t / h)
CT-1	6
CT-2	12
CT-3	40
CT-4	70

Machine technical features:

Weighing structure	Professional reed weighing mechanism design, no friction, reed force more uniform, better linearity and repeatability.
Feeding method	According to the field process can also use the rotor feeder, single-tube screw feeder, double-screw feeder, electromagnetic screw unloader, and so on.
Multi - layer structure	Multi-layer structure design, both to adapt to large flow of jet material, but also to minimize the impact caused by the wet material.
Assembly process	Rotor scale internal use of a special process and the precise way to ensure that the transfer from the smooth operation, combined with frequency control to ensure that the material unit filling rate, so as to ensure the accuracy of weighing.
Steady flow seal	Unique delivery of steady flow equipment and unique sealing design, can successfully inhibit the material spill.
Frequency
motor	The use of integrated direct-coupled motor (with variable frequency motor, forced air cooling), low noise, low vibration, low dust, long life, high reliability.
Zero guarantee	The rotor blades are treated with a special process. Tight seal, each feed to go net, zero stability, and has a dynamic zero compensation function to ensure direct measurement of the material within the rotor quality, weighing high precision.
Weight signal	The use of cantilever bellows sealing weight sensor, the sensor pressure signal by the signal transmission, amplified after the current way to 0-20mA / 4-20mA transmission, transmission distance, anti-interference ability.
Speed signal	Speed sensor or rotary encoder, high speed accuracy, anti-interference ability, supporting the development of the company's modules to ensure low-frequency operation (≤ 50Hz) speed accuracy of 0.06% or more.
Double adjustment	Specific occasions can be set to adjust the weight of the feeder, the rotor weighing scale to adjust the speed of flow.
control unit	Using imported instrument or PLC system, with the communication interface, with the DCS communication.
control method	Centralized control mode: by the control (DCS) for remote control. Machine side control mode: in the quantitative feeder control equipment to open the device. Maintenance methods: for technical personnel on the quantitative feeder to calibration and maintenance.
PIP interface	Analog: given input signal, flow feedback signal. Switch quantity: ready, response, run, fault, cumulative pulse, external start, or speed feedback.
Profibus-DP	Extensible Profibus-DP communicates with DSC
Adaptability	Matching wind transport device, can be applied to a variety of pressure occasions (such as coal, raw material powder, etc.), the library material is not available when the optional flow system