QT4-30 Diesel-Powered Brick Making Machine

Overview

The QT4-30 is a diesel-powered concrete block molding machine equipped with a CHANGCHAI brand diesel engine. Constructed using high-quality steel and precision welding techniques, the machine features a hydraulic system capable of pressures up to 15–16 MPa, enabling the production of high-density, high-quality blocks and paving stones.

This equipment operates without the need for an electrical grid, making it ideal for remote areas with power shortages or unstable electricity supply. It is compact and portable, features an electric-start engine for easy operation, and requires only 1–2 workers to manage production.

Thanks to its independence from the power grid, low investment cost, and strong adaptability, the QT4-30 diesel brick machine is highly popular in regions such as Africa and South America.

Key Advantages

1. No electricity required; independent of the power grid: Powered by a diesel engine, it requires no electricity, making it ideal for remote areas and construction sites with power shortages or unstable grids.

2. Hydraulic system ensures high product quality: With a hydraulic system pressure of 15–16 MPa, it produces high-density, high-quality masonry blocks and paving bricks.

3. Versatile production: Simply by changing molds, the machine can produce various brick types, including hollow blocks, solid bricks, pavers, interlocking blocks, and curbstones.

4. Easy operation and low labor requirements: Production can be handled by just 1–2 workers; the electric-start engine ensures convenient operation.

5. High quality and durability: Constructed using high-grade steel and precision welding techniques; equipped with a diesel engine from a renowned brand like Changchai (with over 80 years of manufacturing experience) for a long service life.

7. Low investment and quick return: Moderately priced (approx. US$4,500–5,500) with excellent cost-performance value, allowing for a rapid return on investment.

Brick Types Produced

By simply changing molds, the QT4-30 can produce a wide range of brick types

• Hollow blocks: 400×200×200mm, 400×150×200mm, 400×100×200mm

• Standard bricks: 240×115×53mm

• Paving bricks/pavers: Various specifications

• Interlocking blocks: 225×112.5×60mm, 300×150×100mm, etc.

• Custom brick types: Molds can be customized according to client requirements.

Customer Case Studies

Operation

Basic Working Principle

The QT4-30 utilizes a molding method that combines hydraulic pressing with vibration forming. The diesel engine drives the hydraulic system (rated pressure: 15 MPa), using hydraulic cylinders to actuate the mold for pressing and demolding. Simultaneously, a vibration motor generates high-frequency vibrations (4,000–4,800 rpm) to ensure the concrete is evenly compacted within the mold, resulting in high-density, high-strength brick units.

Workflow

1. Batching: Measure raw materials—such as cement, sand, and crushed stone—according to the required mix ratio.

2. Mixing: Feed raw materials into the concrete mixer and add water to create a uniform concrete mixture.

3. Feeding: Transfer the concrete mixture into the brick machine's hopper.

4. Molding: The machine automatically performs material feeding, vibration, hydraulic pressing, and demolding; the molding cycle takes 30 seconds.

5. Curing: Allow the formed bricks to cure naturally (via water spraying).

Configuration

The standard production line equipment for the QT4-30 diesel-powered brick making machine is as follows

Equipment Name	Specifications
QT4-30 Diesel Brick Making Machine	Main unit (diesel engine-driven)
Concrete Mixer	JQ300 raw material mixer
Mold	Customized according to required brick type
Pallet	Used to support molded bricks

In addition, it is recommended to equip the system with a small loader for raw material handling, as well as molds for various brick types to enable the production of multiple brick varieties on a single machine.

Specification

Specifications	Specifications
Main unit dimensions	1,440 × 1,330 × 1,720 mm
Diesel power unit dimensions	1,400 × 900 × 1,320 mm
Diesel engine model	Changchai ZS1105
Diesel engine starting method	Electric start
Main unit weight	1,300 kg
Rated pressure	15 MPa
Fuel consumption	2 L/h
Vibration force	30 kN
Molding cycle	30 seconds
Main unit power	13.34 kW (18.0 HP) , 2,200 r/min
Control system	Semi-automatic/Manual control
Molding method	Hydraulic pressing + High-frequency vibration
Number of operators	1–3 operators
Voltage	No electricity required (diesel engine driven)
Compatible mixer model	JQ300
Pallet dimensions	850 × 450 × 25 mm
Installation area requirements	Approx. 30 m²
Brick curing area	Recommended >300 m²
Water consumption for mixing	Approx. 0.5–1 ton/day
Water usage for natural curing	Approx. 0.5–1 ton/day (recommended 2–3 times daily to keep green bricks moist)
Suitable raw materials	Cement, sand, crushed stone, fly ash, slag, construction waste, etc.

Capacity

8”/400×200×200mm/2holes Production Capacity – Per mold: 4 blocks – Per hour: Approx. 480 blocks – Per 8 hours: 3840 blocks	6”/400×150×200mm/m/3holes Production Capacity – Per mold: 5 blocks – Per hour: Approx. 600 blocks – Per 8 hours: 4800 blocks	4”/400×100×200mm/2holes Production Capacity – Per mold: 7 blocks – Per hour: Approx.840 blocks – Per 8 hours: 6720 blocks
200x100x60mm Rectangular Pavers Production Capacity – Per Mold: 16 pieces – Per Hour: 1920 pieces – 8-Hour Shift: 15360 pieces	245x130x60mm S-Shaped Interlocking Pavers – Per Mold: 9 pieces – Per Hour: 1080 pieces – 8-Hour Shift: 8640 pieces	200x160x60mm I-Shaped Pavers Production Capacity – Per Mold: 12 pieces – Per Hour: 1440 pieces – 8-Hour Shift: 11520 pieces

Шанман (Линьи) Машинери Ко, Лтд.

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QT4-30 Машина для производства кирпича с дизельным двигателем

QT4-30 Машина для производства кирпича с дизельным двигателем

Overview

Key Advantages

Brick Types Produced

By simply changing molds, the QT4-30 can produce a wide range of brick types

Customer Case Studies

Operation

Basic Working Principle

2. Mixing: Feed raw materials into the concrete mixer and add water to create a uniform concrete mixture.

3. Feeding: Transfer the concrete mixture into the brick machine's hopper.

5. Curing: Allow the formed bricks to cure naturally (via water spraying).

Configuration

The standard production line equipment for the QT4-30 diesel-powered brick making machine is as follows

Specification

Capacity

Find the Right Brick Machine

ПОЛУЧИТЬ БЕСПЛАТНУЮ ЦИТАТУ

По заявке

По типу блока

QT4-30 Машина для производства кирпича с дизельным двигателем

QT4-30 Машина для производства кирпича с дизельным двигателем

Overview

Key Advantages

Brick Types Produced

By simply changing molds, the QT4-30 can produce a wide range of brick types

Customer Case Studies

Operation

Basic Working Principle

2. Mixing: Feed raw materials into the concrete mixer and add water to create a uniform concrete mixture.

3. Feeding: Transfer the concrete mixture into the brick machine's hopper.

5. Curing: Allow the formed bricks to cure naturally (via water spraying).

Configuration

The standard production line equipment for the QT4-30 diesel-powered brick making machine is as follows

Specification

Capacity

Find the Right Brick Machine

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