1. Preface
CBL series explosion-proof axial centrifugal fans for marine use are designed and manufactured according to GB 11799-89(Marine Explosion-proof Axial Centrifugal Fans), and general description and explosion-proof electrical equipment "d" of GB3836-83 Electrical apparatus for explosive atom-spheres and Regulations for the Construction and classification of Sea-going steel ships.
2. Application
They can be delivered for gas mixtures or vapour containing combustibles and explosives, for ordinary air, for sea air containing salt fog, for air containing oil fog and other corrupt air supply or extracition.
Theses explosion-proof fan series are best suited to pumping out gas mixtures or vapour containing combustibles and explosives in oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, etc . They can also be used for ventilation of other compartments of shipping and corresponding place of land's.
AC 50HZ, 380V or 60HZ,440V type YB-H (
Explosion-insular) or type Y-H (ordinary) three-phase asynchronous motors for marine use may be mounted on these fans
3. Operation Conditions
For places where there are explosive gas
mixtures of grade
Ambient temperatures: -25ºC ~ +50ºC
Relative humidity of the air: ≤95%
Cyclical vacillation: 22.5°~ 45°
Sustained horizontal tilting: ±15°
Sustained vertical tilting: ±10°
Vibration: existent
Shock: existent
4. Structural Types
There are two structural types: type I (motor-direct-driving type), type II (Separate cabins type).The construction is spark free.
The structure of type I is a motor-direct driving one, the vane wheel is mounted directly to motor-shaft, and the housing is fixed on the flange of the explosion-proof motor.
The type II is a separate structure, i.e. the fan and the motor are put into different cabins, with a driving device, a pairs of flexible coupling, and the driving device consists of bearings, bearing-box, shaft, brass rings, stuffing, it can be oiled and measured temperature, one side is fixed on the fan, and the other side will be mounted on the bulkhead.
The fan may be made into a horizontal or vertical, single-stage, single-drawing and airtight structure by the customer's requesting.
The fan can be made into a counter clock-wise rotating type or a clockwise one.
The counter-clockwise rotating type (Left turning type)-Taking a front view from the motor side, you will see the vane wheel turns counter-clockwise. We use "L" to indicate it, and by the same way, the clockwise rotating type can be indicated as "R".
The outlet position of the fan, according to the rotating direction of the vane wheel, is made into the following main types, by your requesting the outlet position is allowed to use other types, the angle of which is 30°or 22.5°
Our company, Qingdao Haiying Marine Equipment Co., Ltd. is located in Yuntougu Industrial Park, Qingdao. Our company is a specialized company in designing, producing, and serving Ventilation equipment for ships and other industrial aeration facilities.
Our products - JCL(centrifugal fan), JCZ(axial flow fan), CBL(explosion-proof centrifugal fan), and CBZ(explosion-proof axial flow fan) aeration facilities have been CSS certified by the Anti-Explosion Examining Centers of CCS, NK, LR, ABS, DNV, BV, GL, RINA, RS, KR,
CCS China Classification Society
NK Nippon Classification Kaiji Kyokai
LR Lloyds Register of Shipping
ABS American Bureau of Shipping
DNV Det Norske Veritas
BV Bureau Beritas
GL Germanischer Lloyd Rules
Our company has been awarded the International Quality Management Certificate ISO9001: 2000 with complete manufacturing equipment, advanced technologies and perfect testing facilities and methods. Our company has an expert group for designing and manufacturing, and is composed of one professor (part-time), 4 senior engineers, 11 secondary engineers, 2 technicians and 21 skilled artificers. We are also engaged in designing and manufacturing whole sets of aeration systems for air exchange, dust cleaning and air power transportation.
Holding the tenet of "credibility" and sticking to the policy of "credibility leads to a better future", our company will speed up technical innovation and product designing and reward our customers with excellent products and service in the following days.
We warmly welcome all the customers from at home and abroad to visit us and we are sure that we will have a better future with our faithful corporation.
