Pipe screw conveyor

Product Description

Pipe screw conveyor is a mechanism using rotating screw blades mounted on a central shaft driven by different methods. The assembly rotates inside a tube with a feeding mechanism at one end. The material is added at the feeding end of the device and conveyed to the discharging end through a positive displacement process. It has a wide range of applications in the conveying of powdery and granular materials, such as: concrete products (cement, fly dust, filler dust, sand dust), asphalt products (hot and cold processing dust), construction ready-mixed materials (dry lime, sand, cement, fillers), glass processes (limestone, soda ash, sand, etc.), foundries (sand, bentonite), etc.

Pipe screw conveyor adopts the design of small diameter, high speed, variable pitch, etc. to ensure smooth, fast and uniform feeding, no jamming, large conveying capacity, conveying distance from 2 meters to 70 meters, and carbon steel and stainless steel are available.

Types of pipe screw conveyor

According to different conveying materials, different types of pipe screw conveyors can be selected:

1. Horizontal pipe screw conveyor: suitable for continuous and uniform conveying of loose materials horizontally or slightly inclined (below 20º), mainly for conveying materials horizontally or at small inclination angles, and the conveying distance is generally not more than 70 meters.

2. Inclined pipe screw conveyor: The inclination angle is generally not more than 90°, and it can be directly connected and fixed with its supporting equipment, so as to be transported to the predetermined position.

3. Vertical pipe screw conveyor: It transports materials vertically upward at 90° to the ground, which saves a lot of space and space compared with other screw conveyors. It is suitable for conveying powder and granular materials with good fluidity. It is mainly used for lifting materials, and the lifting height is generally not greater than 8 meters. , the screw speed is higher than the ordinary screw conveyor.

Features

1. Uniform conveying - the whole machine is small in size and high in rotation speed to ensure fast and even conveying.

2. It can realize sealed conveying - it is beneficial to convey materials that are easy to fly, hot and smelly, which can reduce the pollution to the environment and improve the working conditions of port workers.

3. Convenient loading and unloading - the horizontal pipe screw conveyor can be loaded and unloaded at any point on its conveying line; the configuration of the vertical pipe screw conveyor can have excellent reclaiming performance relative to the screw reclaimer; the use of direct contact with the material stack The screw shaft has the ability of automatic reclaiming and can be used as a reclaiming device for other types of unloading machinery in the port.

4. It can be conveyed in reverse direction - one conveyor can also convey materials in two directions at the same time, that is, to the center or away from the center.

Technical parameters

Pipe screw conveyor can be divided into two types: ls and GX:

1. GX type: the diameter of the screw is 150, 200, 250, 300, 400, 500, 600mm and other seven specifications. Corresponding conveying system for one-way conveying with horizontal or inclination angle less than 20°.

2. LS type: LS type pipe screw conveyor is the replacement product of GX type screw conveyor, the screw diameter is 100 ~ 1250mm, there are eleven specifications, and the driving mode has two forms of single-end drive and double-end drive; LS The length of the type screw feeder is every 0.5m, and the corresponding conveying system can be formed according to different site needs. Like the GX type screw conveyor, it is used for one-way conveying with a horizontal or inclination angle less than 20°.

LS type	GX type)	Delivery QΦ=0.33（m3/h）	Power Pd 1=10m（KW）)	Power Pd 1=30m（KW）	Revolving speed（r/min）	Delivery QΦ=0.33（m3/h）
100		2.2	1.1	1.6	120	1.9
160		7.6	1.5	2.8	90	5.7
200	200	11	2.2	3.2	75	18
250	250	22	2.4	5.3	75	18
315	300	36.4	3.2	8.4	60	29.1
400	400	66.1	5.1	11	60	52.9
500	500	93.1	4.1	15.3	45	69.8
630		60	160	8.6	25.9
800		223	12	36	35	174
1000		304	16	48	30	261
1250		458	24.4	73.3	20	305

Dimensions of pipe screw conveyor

Pipe screw conveyor is mainly composed of motor, reduction box, outer pipe, middle hanging shaft, spiral mandrel (blade), tail bearing, inlet flange, outlet, observation port and other parts.

Model	F	E	W	L	L1	L3	G	L	Q	Y	N	K
LS100	2500	2500	2500	2480	2500	2640	1500	500	180	180	63	112
LS160	2500	2500	2500	2480	2500	2640	1500	500	200	180	90	150
LS200	2500	2500	2500	2480	2500	2640	2000	2000	225	180	112	180
LS250	3000	3000	3000	2980	3000	2140	2500	2500	250	200	140	224
LS315	3000	3000	3000	2980	3000	2140	2500	2500	330	220	180	280
LS400	3000	3000	3000	2980	3000	2140	2500	2500	350	227	224	355
LS500	3000	3000	3000	2980	3000	3160	2500	2500	400	250	280	400
LS630	3000	3000	3000	2980	3000	3160	2000	2000	450	300	355	500
LS800	3000	3000	3000	2980	3000	3160	2500	2500	550	340	450	630
LS1000	3000	3000	3000	2980	3000	3160	3500	3500	650	360	560	710
LS1000	3000	3000	3000	2980	3000	3160	2500	2500	800	380	710	800

Test video

Composition and structure of tubular screw conveyor

The composition and structure of tubular screw conveyor is relatively simple, and it is also the cooperation of these components that enables tubular screw conveyor to effectively transport materials:

Spiral blade: The spiral blade is the core component of tubular screw conveyor, usually consisting of a spiral blade fixed on the shaft.

Pipeline: The pipeline is the outer shell of the screw conveyor, which is used to accommodate the screw shaft and convey materials.

Feed port: The feed port is the location where the material is introduced into the screw conveyor, usually located at one end of the conveyor.

Discharge port: The discharge port is the location where the conveyed material is discharged from the screw conveyor, usually located at the other end of the conveyor.

Transmission device: The transmission device is used to drive the screw shaft to rotate, usually composed of a motor, a reducer and a coupling.

Working Principle of Tubular Screw Conveyor

The tubular screw conveyor drives the material along the pipe by the rotation of the screw shaft to realize the material conveying process. The material enters the conveyor from the feed port, is wrapped by the spiral blades and conveyed along the pipe to the discharge port. This design is simple and effective, suitable for the conveying needs of granular materials, powders or granular materials in various industrial fields, and is also suitable for horizontal, inclined and vertical conveying.

Application

Pipe screw conveyor has the characteristics of large conveying capacity, good sealing effect, reliability, low noise, uniform feeding, flexible arrangement of the angle and position of the material inlet and outlet, and realizes the horizontal, inclined or vertical conveying of materials, and is especially suitable for conveying good fluidity, drying and Powder and granular materials with low humidity are important feeding equipment for cement, building materials, coal ash, chemical industry, metallurgy and other industries.

Building materials industry: used to transport powdered or granular building materials such as cement, lime, gypsum, etc.

Agriculture and food processing industry: used to transport grains, feed, grains, etc.

Chemical industry: used to transport fertilizers, plastic particles, chemical raw materials, etc.

Food processing industry: used to transport food raw materials such as flour, sugar, and grains.

Mining industry: used to transport granular materials such as coal, ore, slag, etc.

Water treatment industry: used to transport sludge, treated solid waste, etc.

Optional equipment

1. Shell: carbon steel, can be done (stainless steel). 2. Spiral spindle: No. 45 steel, available (stainless steel). 3. Spiral blade: carbon steel, can be done (stainless steel). 4. Hanging bearing frame: cast iron. 5. End caps at both ends: carbon steel, available (stainless steel). 6. Coupling: 45# steel. 7. Reducer housing: cast iron.

Tubular screw conveyor use distinction

Shaft is suitable for: powder or small granular materials, materials that require drying, low water content, no viscosity, and good flow.

Shaftless is suitable for: small hardness, a winding material or a little viscous material, and the fluidity is not good. For example: garbage, sludge, etc.

Factory Pictures Display