Concrete Block Making Machinery
QT5-15 Fully Automatic Concrete Block Production Line
A high-performance, compact-footprint block line for hollow blocks, pavers, solid bricks, curbstones and interlocking products — supplied and fully supported by Next Engineering Solutions Ltd.

Overview
High-performance concrete block manufacturing
Next Engineering Solutions Ltd offers the advanced QILU QT5-15 Fully Automatic Concrete Block Production Line, designed for efficient, durable and high-capacity concrete block manufacturing. Engineered with intelligent automation, hydraulic vibration technology and precision control systems, it is ideal for producing premium hollow blocks, pavers, curbstones, solid blocks and interlocking bricks.
The QT5-15 combines high production efficiency, low labour requirements, stable operation and flexible mould-changing capability — making it a reliable investment for modern construction material manufacturers.
Best For
Compact, flexible commercial production
A strong fit for entrepreneurs and factories that want reliable output from a compact footprint with a low labour requirement.
- Small-to-medium production targets
- Multi-product factories (blocks + pavers)
- Low labour, 3–5 operators
- Flexible mould-changing capability
Complete Line
What the complete QT5-15 line includes
An integrated system designed for smooth material flow, efficient operation and stable output with minimal manual handling.
- Fully automatic QT5-15 block making machine
- Cement silo system
- Screw conveyor
- Cement weighing system
- Aggregate batching machine
- Belt conveyor
- JS500 / JS750 twin-shaft concrete mixer
- Hydraulic station
- PLC intelligent control cabinet
- Automatic pallet feeder
- Block conveyor system
- Automatic stacker (optional)
Technical Data
Main technical specifications
The QT5-15 uses advanced hydraulic vibration technology for high-density, high-strength blocks with excellent dimensional accuracy and a reduced breakage rate.
| Model | QILU QT5-15 |
| Operation Type | Fully Automatic |
| Molding Cycle | 15–25 seconds |
| Pallet Size | 1100 × 550 mm |
| Vibration Type | Hydraulic + platform vibration |
| Hydraulic Pressure | 16–21 MPa |
| Main Power | Approx. 26.5–37.2 kW |
| Machine Weight | Approx. 5.5–7.5 tons |
| Control System | PLC intelligent control |
| Workers Required | 3–5 persons |
| Raw Materials | Sand, stone dust, cement, fly ash, slag and gravel |
Workflow
The automatic production process
From raw material to finished, cured product — coordinated stages running under one PLC system.
Batching
Sand, stone dust, cement and additives are proportioned accurately.
Mixing
The JS500 / JS750 twin-shaft mixer prepares a uniform mix.
Feeding & Molding
Material is fed to the mould with vibration and hydraulic pressing.
Stacking
Fresh blocks are transferred and stacked ready for curing.
Curing & Dispatch
Products are cured, checked and prepared for delivery.
Capacity
Production capacity
Actual production may vary depending on mould design, raw materials and operating conditions.
| Block Size | Quantity / Mould | Capacity / Hour |
|---|---|---|
| 400×200×200 mm | 5 pcs | 1,000–1,200 pcs |
| 400×150×200 mm | 6–7 pcs | 1,260–1,680 pcs |
| 400×100×200 mm | 9 pcs | 2,000+ pcs |
| Product Type | Quantity / Mould | Capacity / Hour |
|---|---|---|
| Paver Blocks | 16–20 pcs | 2,500–4,000 pcs |
| Solid Bricks | 26–34 pcs | 5,000–8,000 pcs |
Gallery
Machine & product gallery
Concrete blocks, unipavers and finished products from QT5-15 production.
Products
Products you can manufacture
The QT5-15 supports quick mould replacement, letting one line serve many construction and infrastructure sectors.
Silo System
Heavy-duty cement silo system
The line includes a heavy-duty cement silo system for continuous, efficient cement storage and feeding — ensuring uninterrupted material supply, accurate batching and reduced waste for large-scale production.
- 50 Ton / 100 Ton capacity options
- Dust collector system
- Level indicator
- Automatic cement feeding
- Screw conveyor integration
- Durable steel structure
Easy maintenance
Accessible hydraulic and electrical components keep maintenance simple and downtime low, so the line stays productive over a long service life.
Advantages
Key features & advantages
Intelligent PLC Automation
The fully automatic PLC control system ensures stable production, easy operation, fault diagnosis and reduced manpower.
Hydraulic Vibration Technology
High-frequency vibration with hydraulic pressing creates stronger, denser blocks with superior compressive strength.
Multi-Function Production
By changing moulds, the same machine can manufacture various block and paving products.
Heavy-Duty Structure
A high-strength steel frame gives long-term durability and stable operation under continuous production.
Energy Efficient
Optimized hydraulic and vibration systems reduce power consumption while maintaining high output.
Low Maintenance Cost
Designed for easy maintenance with accessible hydraulic and electrical components.
Applications
Where the QT5-15 is used
The QT5-15 production line suits a broad range of commercial and public projects.
- Commercial block factories
- Infrastructure projects
- Government construction projects
- Real estate developments
- Road & pavement projects
- Landscaping industry
- Housing construction
- Construction material supply business
Videos
Machine videos & production reference
See the QT5-15 and concrete block production lines in operation.
Why NES
Why choose Next Engineering Solutions Ltd?
NES provides complete engineering support for concrete block manufacturing plants in Bangladesh and international markets — machinery supply, factory layout design, installation and commissioning, technical training, spare-parts support, production optimization and after-sales service. We work with globally recognized manufacturers to deliver reliable, modern solutions tailored to each client.
NES Support
Complete turnkey services
From first drawing to full production, NES supports every stage of your concrete block plant.
- Machinery supply
- Factory layout design
- Installation & commissioning
- Technical training
- Spare parts support
- Production optimization
- After-sales service
- Production startup support
FAQ
Common questions about the QT5-15
What products can the QT5-15 make?
By changing moulds, the QT5-15 can produce hollow blocks, solid blocks, pavers, interlocking bricks, curbstones, kerbstones, grass and permeable blocks and other concrete products.
How many workers are needed?
The line is designed for low labour dependency and typically needs around 3–5 operators, depending on configuration and the level of automation selected.
What affects the production capacity?
Actual output depends on mould design, block size, raw material quality, cycle time and operating conditions. Practical capacity is the best basis for planning.
Does NES provide installation and training?
Yes. NES provides factory layout design, installation and commissioning, technical training, spare-parts support and after-sales service for local and international projects.
Need a complete QT5-15 plant quotation?
Share your required block sizes, daily capacity, land size and project location. NES will prepare a suitable machinery configuration and a complete project proposal.







