Summary of LS-type screw conveyor：
LS-type screw conveyor is the updated product of GX-type screw conveyor, it is designed according to standard of JB/T679-95 screw conveyor. Top and end bearings are installed outside of the shell, suspension bearing adopts sliding type with dust-protection sealing. Generally, bearing bush adopts powder metallurgy, when transporting cement, it will adopt wool felt. Hanger shaft and screw shaft are connected by sliding block. When disassembling the screw, driving device will not be moved. There is no need to move the screw when disassembling hanger bearing; lubricate hanger bearing without disassembling the cover plate. The machine has high reliability, long lifetime, good applicability, convenience to install and maintain.
Features of LS-type screw conveyor:
1、big load capacity, safe and reliable;
Specification of LS-type screw conveyor:
Arrangement of LS-type screw conveyor: a set of screw conveyor include three parts, screw body, inlet and outlet device, driving device.
Size chart of LS-type screw conveyor
Parameter list of LS-type screw conveyor:
Summary of WLS-type shaftless screw conveyor:
WLS-type shaftless screw conveyor has simple structure, without bearing in the trough, materials can be conveyed smoothly. It is totally enclosed without secondary pollution. Screw body is manufactured by a kind of special molding process, which can get high rigidity. Length of single section of screw body is about 2m, there are less welding joints on the whole screw body. U-shpae liner is made in high-quality engineering plastics with good wear resistance. It runs at low speed, low energy consumption, less abrasion. It is used in environmental protection industry, paper making, chemical, food, medicine and beverage industry, it has unique advantages in conveying the materials with high absorbability, mushy and viscous materials (such as chemical materials, waste paper pulp, wheat germ, sewage sludge) and materials easy to be twisted( such as domestic garbage). Shaftless screw conveyor is also called anti-twist conveyor, garbage-disposal conveyor.
Working principle of WLS-type shaftless screw conveyor:
It is basically same to the general screw conveyor on conveying principle, a rotary screw shaft drives the screw nut to move at the axial direction. Screw body of shaftless screw conveyor is equivalent to the screw shaft, materials are equivalent to the screw nut, when the screw body rotates constantly, the materials are also conveyed constantly. Screw body is a kind of banded blade, driven by the driving end, without shaft in the middle area, connected (sliding) with the lining board at the bottom of shell wall.
Conveying features of WLS-type shaftless screw conveyor：
Anti twist: Without disturbance of central shaft, WLS-type shaftless screw conveyor is advantageous on conveying banded materials, viscous materials, materials easy to be twisted. It can be used in sewage treatment plant to convey screen residue or filter cake. It also can be used at waste treating area to convey the waste to prevent jamming accident.
Structure of WLS-type shaftless screw conveyor：
It consists of power unit, head assembly, shell, shaftless screw body, wear-resistant lining board, inlet, outlet, cover (when needed), bottom seat.
Specification and parameters of WLS shaftless screw conveyor：