QINGDAO YAOSEN MARINE EQUIPMENT CO.,LTD

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Products > Fire fighting Smoke extraction fan > > ZWF Series Industrial fire fighting high temperature smoke exhaust fan
Product name : ZWF Series Industrial fire fighting high temperature smoke exhaust fan
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  Details:
1.use
 
Widely used in advanced civil buildings, ovens, underground garages, tunnels and other occasions, according to the different requirements of advanced civil buildings, the use of single-speed drive or multi-speed drive form, In order to achieve the purpose of one machine and two uses (I. E. normal ventilation and exhaust or high temperature smoke exhaust in fire fighting).
 
2.type
 
There are two types of ZWF (Ⅰ) ZWF (Ⅱ) type (Ⅰ) driven by single-speed YF series motors. The machine number has 10 machine numbers, the impeller diameter is from Φ 500mm to Φ 1500mm, the wind pressure is from 510Pa to 840Pa. the wind volume is driven by double-speed motor from 6817m3h to 101389m3r.hmnhtr (II), the impeller diameter is from Φ 500mm to Φ 1500mm, and the wind pressure is from 51010Pa to 840Pa. the wind volume is from 6817m3h to 101389m3rh (II). The machine number is the same as (I), the wind pressure is from 127 Pa to 840 Pa, and the air volume is from 3410 m3 / h to 101389 m3 / h, whether (I) or (Type Ⅱ), all of which are A type direct transmission.
 
The machine consists of cylinder assembly, impeller assembly, front and rear cover and motor.
 
The tuyere combination consists of a hanger ring, a hanger bottom plate, a main air duct, an inlet air tube, an inlet flange, a motor flange, a motor limit block, an outlet air tube, etc.
 
Impeller assembly consists of hub, spoke plate, blade, tail wind wheel and so on.
 
Motor (Ⅰ) type single speed motor (Ⅱ) is two speed motor.
 
3.Performance characteristics
 
The fan test meets the requirements of GBJ45-82 fire control code, and establishes the internal control guarantee system higher than this standard. It can run continuously for more than 100 minutes at 400 ℃ high temperature and 40 minutes at 280 ℃. It can run continuously for more than 20 hours at 100 ℃.
 
This machine adopts the advanced three dimensional flow theory and the advanced GAD system software, through the multi-objective optimization design development new product. After the test fan efficiency is above 80%, the part extension number is above 85%, the efficiency is high, The efficiency curve is flat and the energy saving effect is remarkable.
 
The basic type of fan is axial flow fan, which can be directly connected with tuyere or wall installation. There are two kinds of wall installation: horizontal installation and vertical installation, which covers a small area.
 
4.install
 
Before installation, we should carefully and strictly check whether the fan is pressed, crushed, crushed and deformed during loading and unloading, transportation, etc., if any, it should be restored.
 
2) pull the impeller by hand and check whether the clearance between the blade and the tuyere is even and whether it is scratched, such as scraping and removing according to the reason.
 
Check whether the bolts are loose.
 
Installation of pipes and fans, fans and floors or fans and walls must be cushioned, do not allow the use of bolts forced tightening, to prevent frame housing deformation, affect fan performance or cause changes in the clearance between the casing and impeller to scratch.
 
After installation, count the tools carefully and observe carefully any unwanted sundries in the fan pipe, bolts, gloves, cotton wire and wire head.
 
Test run on the way of connecting the power source (car) to the fan in a short time before the fan starts, to see if the insulation performance of the motor is good, whether the rotation direction of the fan impeller is consistent with the standard, whether the fan has severe vibration and whether there is any abnormal sound, if so, The cause of the common malfunction shall be removed according to clause (6) below, and if not, the "point time" shall be gradually extended until it is in operation.
 
5.Use, maintenance and maintenance
 
Maintenance and maintenance must be shut down and not allowed in fan operation.
 
Add lubricating oil regularly.
 
Check fastening bolts regularly.
 
Rub the impeller and blade regularly to prevent loss of balance.
 
6.Faults and causes
 
1) severe vibration of the fan:
 
The fan deforms the casing or impeller during loading and unloading and transportation.
 
Fan anchor bolts are not tightened.
 
The dynamic balance of the impeller is broken.
 
The concentricity of motor shaft and fan shaft is destroyed.
 
Bending of motor or fan shaft.
 
The coupling between the impeller and the sleeve is loose.
 
Bearing damage.
 
2) the temperature rise of the motor is too high:
 
Motor shaft and wind housing installation of the shape and position of the tolerance does not meet the requirements.
 
Excessive resistance in the system (including too long pipes, too many bends, blockages or unopened valves)
 
Unreasonable selection of motor (including low power, large fan, incorrect number of revolutions)
 
Low supply voltage or single-phase power outage.

Please contact us and get detailed Technical parameters and Drawings.
 
We could Design and Produce the Marine fan,Industrial Fan,and Other Ventilation Equipment according to your detailed requirement !

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