DG low noise high pressure centrifugal fan
Patent No.:200420084329.2 200410070957.X 200520122521.0 200620113329.X 200610076680.0
★ Product Overview
DG-type low-noise high-pressure centrifugal blower system of the company has recently introduced a new low-noise high-pressure centrifugal fan, in a very small flow rate to obtain a high total pressure. As a result of the backward arc blades, noise is significantly lower than the domestic high pressure air, make up the domestic low-noise low flow high pressure air gaps, has on many occasions to replace the imported fan.
This product is made of high quality material can be carbon steel, corrosion resistant stainless steel can also be used, which can be widely used in chemicals, pesticides, fertilizers, pharmaceuticals, glass, paper, food, drying, gasification and other industries.
★ basic structure
This product is mainly composed of the impeller, casing, inlet, bay, transmission (A type without) and motor components.
Impeller blades, front disc, rear disc and shaft plate composition, according to the different requirements can be high-quality carbon steel or corrosion-resistant stainless steel, the strict dynamic balancing test, smooth operation. Carrying case made of lightweight, high-strength structural negative pressure, the material can also be used to the different requirements of high quality carbon steel or corrosion-resistant stainless steel.
C-and D-type with a transmission mechanism, by the spindle, bearing housing, bearings, pulleys or couplings components. Fan can be made to rotate the right and left to rotate in two forms, from the motor or bearing housing end of the face, the impeller rotates clockwise, called the right-hand fan, the "right" or "S" indicates, according to counter-clockwise rotation , called L-blower to "left" or "N" means.
Fan outlet position, exit angle to the cabinet, said adjustment range between 0o ~ 225o interval 45o, 90o sample is represented on the form, the use of units should have different requirements when ordering.
Rack uniform application of carbon steel plate and steel manufacturing. Composition of each component assembly machine, each part can be individually removable, and will not cause a failure of a component machine scrapped.
Bottom of the rack according to different machine equipped with the appropriate number of shock absorbers, having specialized pouring puzzle fan base, only to be solid flat base surface.
★ Type Description
Model implications (for example)
D G-№ 5A-S900 low-noise high-pressure centrifugal fan
D: Low Noise
G: High
№ 5A: machine number 5 #, A-type transmission
S900: D 90o
Transmission
A formula - Direct drive motor from machine number № 4 ~ № 9.5.
Type C - belt wheel drive, all machine number.
D-type - coupling transmission, all machine number.
★ Installation Requirements
Foundation: thickness ≥ 300mm concrete floor, the surface of the basic level, according to the fan frame on each side plus put ≥ 200mm and above the surrounding floor ~ 100mm.
Duct connection: import and export between the duct and fan expansion joints must be flexible coupling; import and export should be added the fan air flow control valve, the appropriate boot off small, in order to facilitate starting, at run-time by the need to control traffic.
★ Expanded range of applications
The technical performance parameters according to the medium is designed to determine the standard state of the air, it can also serve as the practical application of high-temperature corrosive gases and gas transport, this time the physical properties of the transmission medium should be converted into the standard state properties of the air again Selection When the parameters, structure have special requirements, the Company may be non-standard design alone.
