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U Type Screw Conveyor for Powder and Bulk Material Conveying with Open Trough Design
📝 Product Description
U Type Screw Conveyor is a conveying machine used for powder, granular, and small bulk materials. It uses a rotating screw blade inside a U-shaped trough to push materials forward continuously and evenly.
Compared with tubular screw conveyors, the U type screw conveyor has an open trough structure with a removable top cover. This design makes inspection, cleaning, and maintenance more convenient, especially for materials that may leave residue inside the conveyor body.
TONGJINJIN U Type Screw Conveyor can be used for cement, fly ash, lime powder, mineral powder, sand, grain, feed material, dry mortar, and other bulk materials. It is widely used in concrete batching plants, cement plants, dry mortar production lines, mining material handling, building material production, and industrial powder conveying systems.
📊 U Type Screw Conveyor Technical Parameters
| LS Type | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GX Type | 200 | 250 | 300 | 400 | 500 | ||||||
| Spiral Diameter mm | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
| Pitch mm | 100 | 160 | 200 | 250 | 315 | 355 | 400 | 450 | 500 | 560 | 630 |
Rotational Speed: 140 / 120 / 90 / 90 / 75 / 75 / 60 / 60 / 45 / 35 / 30 r/min
| Item | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conveying Capacity QΦ=0.33 m³/h | 2.2 | 7.6 | 11 | 22 | 36.4 | 66.1 | 93.1 | 160 | 223 | 304 | 458 |
| Power Pd 1=10m kW | 1.1 | 1.5 | 2.2 | 2.4 | 3.2 | 5.1 | 4.1 | 8.6 | 12 | 16 | 24.4 |
| Power Pd 1=30m kW | 1.6 | 2.8 | 3.2 | 5.3 | 8.4 | 11 | 15.3 | 25.9 | 36 | 48 | 73.3 |
Rotational Speed: 120 / 90 / 75 / 75 / 60 / 60 / 45 / 45 / 35 / 30 / 20 r/min
| Item | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conveying Capacity QΦ=0.33 m³/h | 1.9 | 5.7 | 18 | 18 | 29.1 | 52.9 | 69.8 | 125 | 174 | 261 | 305 |
| Power Pd 1=10m kW | 1.0 | 1.3 | 2.1 | 2.1 | 2.9 | 4.1 | 4.7 | 6.8 | 9.4 | 14.1 | 16.5 |
| Power Pd 1=30m kW | 1.5 | 2.3 | 4.5 | 4.5 | 7 | 8.9 | 11.6 | 20.4 | 28.3 | 42.2 | 49.5 |
Rotational Speed: 90 / 75 / 60 / 60 / 45 / 45 / 35 / 35 / 30 / 20 / 16 r/min
| Item | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conveying Capacity QΦ=0.33 m³/h | 1.4 | 4.8 | 15 | 15 | 21.8 | 39.6 | 54.3 | 97 | 149 | 174 | 244 |
| Power Pd 1=10m kW | 0.9 | 1.2 | 1.9 | 1.9 | 2.5 | 3.4 | 4.3 | 5.4 | 8.1 | 9.5 | 13.3 |
| Power Pd 1=30m kW | 1.2 | 2.2 | 3.8 | 3.8 | 5.4 | 6.8 | 9.2 | 16 | 24.4 | 28.6 | 39.9 |
Rotational Speed: 75 / 60 / 45 / 45 / 35 / 35 / 30 / 30 / 20 / 16 / 13 r/min
| Item | 100 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conveying Capacity QΦ=0.33 m³/h | 1.2 | 3.8 | 11 | 11 | 17 | 31.7 | 46.5 | 73.0 | 99.3 | 139 | 199 |
| Power Pd 1=10m kW | 0.75 | 1.1 | 1.6 | 1.6 | 2.1 | 3.1 | 3.7 | 4.6 | 5.7 | 7.7 | 11 |
| Power Pd 1=30m kW | 1.1 | 1.8 | 3.4 | 3.4 | 4.4 | 5.6 | 8 | 14 | 16.7 | 23.2 | 33 |
Note: The above data is for reference only. Actual conveying capacity and motor power should be confirmed according to material type, bulk density, moisture content, conveyor length, installation angle, inlet and outlet layout, and working condition.
⚙️ Main Structure
The U type screw conveyor is mainly composed of:
✅ U-shaped trough body
✅ Screw blade / screw flight
✅ Screw shaft
✅ Feed inlet
✅ Discharge outlet
✅ Removable top cover
✅ Motor
✅ Gear reducer
✅ Bearing support
✅ Support frame
✅ Sealing and connection parts
The screw blade rotates inside the U-shaped trough and pushes the material from the inlet to the discharge outlet. The removable cover helps reduce dust and also allows easier inspection and cleaning during maintenance.
✅ Product Features
✅ Open Trough Structure
The U-shaped trough design makes the conveyor easier to inspect, clean, and maintain. Operators can open the cover to check the screw blade, bearing position, and material residue.
✅ Stable Conveying Performance
The screw blade pushes powder and granular materials forward continuously, helping support stable material feeding in production systems.
✅ Flexible Installation Layout
The conveyor can be used for horizontal or inclined conveying according to the site layout, material flow direction, and equipment connection position.
✅ Customizable Size and Configuration
Conveyor length, screw diameter, trough width, blade thickness, inlet position, outlet position, motor power, and material can be customized according to working requirements.
✅ Convenient Maintenance
The simple structure makes daily inspection easier. Common parts such as screw blade, bearing, reducer, motor, cover, and sealing parts can be checked or replaced when needed.
✅ Wide Material Application
Suitable for cement, fly ash, lime powder, mineral powder, sand, grain, feed material, dry mortar, and other powder or granular materials.
🏗️ Application Areas
U Type Screw Conveyor can be used in many industrial material handling systems, including:
✅ Concrete batching plants
✅ Cement plants
✅ Dry mortar production lines
✅ Mining and mineral processing
✅ Building material production
✅ Grain and feed conveying systems
✅ Chemical powder conveying
✅ Industrial bulk material transfer systems
For concrete batching plant use, the U type screw conveyor can work with cement silos, aggregate bins, hoppers, weighing systems, mixers, and other feeding equipment.
🔍 Selection Suggestions
Before choosing a U type screw conveyor, customers should confirm the actual working condition first.
Important information includes:
✅ Material type
✅ Material bulk density
✅ Required conveying capacity
✅ Conveyor length
✅ Installation angle
✅ Screw diameter
✅ Trough width and height
✅ Inlet and outlet position
✅ Motor power requirement
✅ Carbon steel or stainless steel material
✅ Indoor or outdoor working environment
✅ Whether frequent cleaning is required
If the conveyor is used for powder materials such as cement, fly ash, or lime powder, sealing performance and dust control should be considered. If the material is abrasive, screw blade thickness and wear resistance should be confirmed carefully.
🛠️ Maintenance Suggestions
During daily operation, operators can regularly check:
✅ Whether the screw blade is worn or deformed
✅ Whether material remains inside the trough
✅ Whether the bearing position has abnormal noise
✅ Whether the motor and reducer operate smoothly
✅ Whether the top cover is tightly closed
✅ Whether the inlet and outlet are blocked
✅ Whether bolts and support frames are loose
✅ Whether sealing parts need replacement
If the conveyor has abnormal noise, slow conveying, material residue, or unstable operation, the screw blade, bearing, shaft coupling, reducer, motor, and inlet condition should be checked together.
🏭 TONGJINJIN Supply Range
TONGJINJIN provides screw conveyors and related spare parts for concrete batching plants and bulk material conveying systems.
Our product range includes U type screw conveyors, tubular screw conveyors, stainless steel screw conveyors, screw flights, screw shafts, hanger bearings, end bearings, gear reducers, motors, butterfly valves, silo venting filters, pressure relief valves, level indicators, solenoid valves, pneumatic actuators, and other concrete batching plant spare parts.
We can support customers with conveyor size confirmation, product selection, spare parts matching, and customized production according to drawings, photos, and working conditions.
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