Return cinder fan

General information

Fan type:	Return cinder fans
Name:	Return cinder fan
Alternative names:	VVU-4,3-3000; ВВУ-4,3-3000
Notes:	n/a

Description

Return cinder fans are designed for air delivery into return cinder equipment applied in combustion chambers of steam and hot-water solid fuel fired boilers with fuel-bed firing. Return cinder fans are recommended to use in boilers where exhaust flow high speed is required.

We provide a full range of customer service including full warranty, 24/7 consultation and support, valuable insights into the ideal technical solutions in accordance with your requirements and expectations. At your desire we will be glad to supervise or execute the installation and commissioning process. Thanks to strict control over manufacturing process each equipment unit is inspected and recorded so the aftermarket support and spare parts delivery are notable for promptness and full interchangeability. To prolong the life-time of your equipment we are always ready to render on-site services from scheduled maintenance to troubleshooting, equipment inspection and emergency & repair works. All-time we keep our customers informed concerning possible improvements, up-to-date solutions and technical developments which can help to upgrade your equipment and enhance efficiency.

Aerodynamic performance

Capacity:	1.0	ths. m³/h
Total pressure:	3800	Pa
Temperature:	20	C˚
Efficiency:	52	%
Dustiness:	0.1	g/m³

Dimensions*

Length (L):	466	mm
Width (W):	654	mm
Height (H):	685	mm
Weight:	107,2	kg

Electric motor

Power:	4	kW
Rate speed:	3000	rpm
Moment of inertia:	н/д	kg*m²

Dimensional drawing*

* Dimensions can vary depending on electric motor model, customer requirements and design restrictions.

Delivery options

Railway:

Flatcar: 1
Open wagon: 0
Schnabel car: 0

Auxiliaries

Actuator:

н/д Nm

This equipment can be searched by the following tags: Return cinder fan, ВВУ-4,3-3000, VVU-4,3-3000, Forced draft fan Return cinder fan, Forced draft fan Return cinder fan, Return cinder fans, , Центробежный, ВВУ-4,3/3000; ; ВВУ-4.3, FD FAN, ID FAN, Draft Equipment, FAN, Industrial fan.

Capacity ^?:		ths. m³
Total pressure ^?:		Pa
Temperature ^?:		С ^о
Permissible variation ^?:		%

Capacity:		t/h
Output pressure:		MPa
Output temperature:		С ^о
Permissible variation ^?:		%

Capacity:		MW
Output pressure:		MPa
Permissible variation ^?:		%

DN:		mm
Pressure:		MPa
Temperature:		^оС
Permissible variation ^?:		%

① Fan type:	FD Fan ID Fan
② Subtype:
③ Climatic modification ^?:
④ Scroll layout ^?:	° - °
⑤ Rotation direction ^?:	Right-hand Left-hand
⑥ Quantity:	pcs.
⑦ Delivery date:

① Capacity:	ths. m³/h
② Handled medium temperature:	°C
③ Total pressure:
④ Atmospheric pressure: ^?:
⑤ Required efficiency:
⑥ Capacity regulation: ^?:	Yes No

① Type: Asynchronous squirrel cage Asynchronous with phase-wound rotor Synchronous
② Climatic modification ^?:
③ Rate speed:	rpm
④ IP ^?:	IP
⑤ Supply-line voltage:	V
⑥ Frequency:	Hz

① Density	kg/Nm³
② Dustiness:	g/Nm³
③ Agressive agents content:	%
④ Sticking tendency: ^?

① Company name:*
② Contact person:*
③ Telephone:*
④ Fax:
⑤ Email:*
* - fields are to be filled.

① Boiler type:	Steam Hot-water
② Application:	Heating Hot-water supply Process needs Power generation
③ Fuel ^?:	1: 2:
④ Quantity:	шт.
⑤ Delivery date:

① Steam capacity:	t/h
② Output pressure:
③ Output temperature:	°C
④ Supply water temperature:	°C

① Capacity:
② Operating output pressure:
③ Water temperature graph:	°C

Combustion chamber:
Steam superheater	Economizer
Air heater	Coal pulverization
Mill fan	FD Dan
ID Fan	Ash catcher
Chimney	Ash and slag removal
CPCS	Phosphatizing
Water treatment	Soot blowers

① Grade:
② Calorific value:	kcal/kg
③ Lump size:	mm
④ Humidity:	%
⑤ Ash:	%
⑥ Ultimate composition:	% - Carbon (C) % - Hydrogen (H) % - Oxygen (O) % - Nitrogen (N) % - Sulfur(S)

① Calorific value: ^?:	kcal/m³
② Gas cubic meter weight:	kg/m³
③ Gas temperature:	°С
④ Ultimate composition:	% - Carbon monoxide (СО) % - Carbon dioxide (СО2) % - Hydrogen (H2) % - Oxygen (O2) % - Nitrogen (N2) % - Methane (CH4) % - Heavy hydrocarbon (СmHm) % - Hydrogen sulphide (H2S)

① Control type:	Manual Actuator
② Actuator producer:	Russian Other
③ Total opening (closing) time:	s

① Pipeline	Outer diameter: mm Wall thickness: mm
② Type of connection:	Welded neck Flanges
③ Additional requirements:

① Calorific value:	kcal/kg
② Ash:	%
③ Lump size:	mm
④ Humidity:	%

① Fuel grade:
② Calorific value:	kcal/kg
③ Flash point:	°С

① Type:
② Subtype:
② Subtype:
② Subtype:
③ Operating medium:	Steam Water
④ DN:	Input: mm Output: mm
⑤ Climatic modification ^?:
⑥ Leakage class ^?:
⑦ Body material:
⑧ Quantity:	pcs.
⑨ Date of delivery:

① Fluid temperature:	°С
② Input pressure:	MPa
③ Output pressure:	MPa
② PN:	MPa
③ Operating pressure:	MPa
④ Max. flow rate under min. pressure differential, Gмах:	t/h
⑤ Max. flow rate Gмах:	t/h
⑥ Min. pressure differential unde max. flow rate:	MPa
⑦ Max. pressure differential under min flow rate:	MPa
⑧ On-stream time under max. pressure differential:	h/year
④ Opening pressure:	MPa
⑤ Reverse-seat pressure:	MPa

① Main steam capacity:	t/h
② Desuperheated steam capacity:	t/h
③ Main steam pressure	MPa
④ Main steam temperature	°С
⑤ Desuperheated steam pressure	MPa
⑥ Desuperheated steam temperature	°С
⑦ Cooling water pressure	MPa
⑧ Cooling water temperature	°С