CWZ 系 列 舰 船 用 小 型 轴 流 通 风 机

一、概述

CWZ系列舰船用小型轴流通风机(以下简称“通风机”)可适用于各种军船与民船上的厨房、厕所、舱壁、公共场所、会议室等通风换气，也可适用于其他适当的场合。

二、特点

通风机采用变环量法设计。根据通风机的参数选取合理的变环量系数，合理分配叶片各个截面上的特性速度和长度等，通风机具有噪声低、尺寸小、重量轻、性能稳定等特点。

通风机在设计和制造过程中充分考虑到舰船用的特殊条件要求：叶轮经过严格的动平衡校正、超速试验、故通风机具有耐蚀性好、抗摇摆、抗冲击、振动、运转平稳和安全可靠等特点。

通风机适须用于380V/220V,50Hz或440V 60Hz的场所。

三、结构型式

通风机可分为Ⅰ型管道式、Ⅱ型舷窗式两种结构：

Ⅰ型管道式可直接用于短管道或安装在舱壁上通风。

Ⅱ型舷窗式可固定装于舷窗和舱壁上，由于有水密封装置，可方便地开启、关闭以防海水、雨水进入。

通风机叶轮为铝合金铸造成型，机壳为钢板焊接成型。

四、型号说明

C：舰船用  marine or navy

W：小型  small-sized

Z：轴流风机 axial fan

200：叶轮直径200mm数（圆整）impeller diameter is 200mm(rounded)

D：低速（G为高速）low speed(G is hight speed)

II：舷窗式prthole type

注 意 事 项

1输送易燃、易爆混合性气体中的硬质颗粒物，不允许多于150mg/m3，直径不宜大于2mm。

2在吸入管上要装设保护用黄铜网，以防止静电火花和其它物件的吸入，保证防爆通风机的安全。

3外接电缆进入接线盒固定时，接线盒本身及其引入装置和电缆间必须严格密封，不允许有雨水进入接线盒内。

4电缆必须接地，特别是防爆电动机必须接地。

5防爆通风机与风管连接时，不应存在由于硬性连接而产生机壳歪斜。更不得强行联接，将管道重量加在风机上，以免机壳变形。

6通风机所采用电动机的功率，系指在特定工况下加上机械损失与应有的安全系数而言，在运转过程中应调节进气量严格控制电动机电流。不得超过电动机额定电流。

7防爆电动机进线口螺纹及见表(13)。

8产品自出厂18个月内，凡因质量原因不能使用的。我厂实行包修、包换、包退。

CWZ Series Marine or Navy Small-sized Axial Fans

1General

CWZ series marine or navy small-sized axial fans are switable for,ventilation of kitchen,lavatory,bulkhead,the public places,the meeting room etc,in the naval and merchant shops.They are also applicable in other places that suit.

2Features

The fans are designed according to arbitary vortes flow method.We choose the most reasonable vortes flow coefficient on the vanes of the fans,specification,distribute every sectional characteristic speed & length of the vanes,the fans have low-noise,small size,light-weight,stable performance,etc.

In the course of designing & manufacturing,we had thought fully of the marine special conditions,the impellers are strictly made by dynamic balance adjustment & over speed test.Therefore,the fans also have the features of good-anticorrosion,anti-swing,vibration resistance,shock resistance,stable running and sufety reliable.

The fans can be used with 380V/220V.50Hz or 440V/220V,60Hz.

3Structure

The fans can be made into two structure types,type Ⅰ(tube type),type Ⅱ(porthole type):

Ⅰ type-tube type for ventilation of short tubes or fixed on the bulkhead.

Ⅱ typefixed on porthole.It can be fixed on the porthole or the bulkhead.Since it\'s waterproof it can be easily opened or closed,keep rain or sea water out.

Impeller is made of cast aluminium alloy,casing is welded of steel sheet.

4Model explanation

 1The hard particulate matter in the combustible and explosive gas mixture is not allowed to be more than 150mg/ m3，and its maximum diameter cannot exceed to 2 mm.

2On the duct intake side,provide a protective brass wire nets to ensure the prevention of foreign matter and electrostatic sparks from invasion,so as to insure the explosion-proof fan operating safely.

3When a power cable is inserted in the terminal box and fixed there,the terminal box itself and its approaching device must be sealed tightly with the cable,and no permeation of rain water into the terminal box is allowable.

4Be sure to earth the cable,especially the flameproof motor.

5Explosion-proof fan instalation should be carried out with much care in connecting with the duct so as not to allow any casing distortion to take place owing to forceful tightening.Furthermore,it is not allowed to add the weight of pipes to fans by foreful.

6The motor power wied by fans refers to mechanical losses and its own safe coefficient under given working conditions.Be sure to adjust the air rate and strictly control motor\'s electrical current.It is forbidden to exceed motor\'s electrical currect rating.

7The cable entry thread of the flameproof motors are shown in table.

8Our products can be exchanged,returned and repaired if found its quality unsatisfactory within 18 monthes from the date of exfactory.