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Difference Between of LS and GX Screw Conveyor

Screw conveyor is a mechanism that uses a rotating screw blade, usually in a pipe, to move liquid or granular materials. The LS and GX types of screw conveyors are widely used, but the distinction between the two is not clear. This article We will analyze the difference between LS type and GX type screw conveyor for you.

Difference between LS type screw conveyor and GX type screw conveyor

1. Structure

The difference between GX type and LS type screw conveyor mainly lies in the position of bearing support. Both ends of GX support bearing are close to the casing or stuck in the casing, which will lead to inconvenient installation and replacement of bearings or maintenance of bearings, and may also come into contact with materials. If it is not strict, it will enter the bearing, causing the bearing to run inflexibly.

The LS does not have this problem. Both ends of the bearing are outside the shell, and there are suitable bearing supports, which are convenient for maintenance or replacement, and the material can pass through more smoothly.

2. Conveying volume

The screw diameter of GX type screw conveyor includes 150, 200, 250, 300, 400, 500, 600mm, 3 meters when the body is short, up to 70 meters when the body is long, the level difference is 0.5 meters, and the conveying capacity per hour reaches 1.2 -458m³.

The LS type screw conveyor screw diameter includes 100, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1200mm, divided into single drive and double drive, the length of single drive can reach 40 meters (large 30 meters meter), the double drive adopts the intermediate break shaft structure, the length can reach 80 meters (60 meters for extra large), the step difference is 0.5, and the conveying volume per hour is 5.6-93m³.

LS Screw Conveyor

GX Screw Conveyor

LS Screw Conveyor Specifications:

Model Diameter
(mm)
Rated speed
(r/min)
Reference capacity
(m³/h)
Motor power
(Kw)
Admission biggest gradient
(o)
LS114 114 84-130 1 0.75-18.5 <60
LS133 133 84-130 1.3
LS159 159 84-130 5
LS219 219 84-130 15
LS245 245 84-130 20
LS273 273 84-130 30
LS315 315 84-130 40
LS400 400 60-100 45
LS500 500 60-100 70
LS600 600 60-100 100

GX Screw Conveyor Specifications:

Model GX150 GX200 GX250 GX300 GX400 GX500 GX600
Spiral diameter
(mm)
150 200 250 300 400 500 600
Pitch
(mm)
120 160 200 240 320 400 480
Speed
(rpm)
31-129 31-114 31-102 31-88 31-88 31-75 31-59
Delivery capacity
(m3/h)
1.3-5.5 3.1-11 6-20 10-30 25-71 49-118 185-162
Allowable kW speed ratio 0.013 0.03 0.06 0.1 0.25 0.48 0.85
Allowable cantilever load
(Kg)
210 370 580 800 1500 2400 3500

3. Conveying angle

The two types of screw conveyors are generally arranged horizontally or obliquely. The conveying inclination of the LS type screw conveyor does not exceed 15°. If the angle exceeds 20°, the GX type screw conveyor should be selected.

The above three points are the main differences between the LS type screw conveyor and the GX type screw conveyor. In short, GX type and LS type screw conveyors are more or less different, and users need to decide which conveying equipment to use according to the actual situation.

Screw diameter (mm) 150 200 250 300 400 500
Pulverized coal n 190 150 150 150 118 97
Q 9 17 33 58 108 170
Cement n 97 75 75 60 60 47.5
Q 3.1 5.6 11 15 36 55
Soda ash n 118 95 95 75 75 60
Q 4.5 8 16   53 84
n: speed (rev/min), Q: conveying capacity (m³/h)

 

Monday July-24 2023  11:58:36

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