What is the main purpose of a concrete mixer pump?

A concrete mixer pump is a versatile construction machine designed to combine two critical functions in concrete handling: mixing fresh concrete and pumping it to the desired location. 

Its main purpose is to streamline the concrete delivery process, improving efficiency and reducing labor requirements in construction projects. Here's a detailed breakdown of its roles 

and advantages:

Key Functions of a Concrete Mixer Pump

Mixing Concrete

Integrates a mixing drum (similar to a standard concrete mixer) to blend cement, water, aggregates, and additives into homogenous fresh concrete.

Ensures consistent quality by maintaining precise mixing ratios.

Pumping Concrete

Uses a hydraulic or mechanical pump system to transfer the mixed concrete vertically and horizontally through pipelines.

Capable of reaching heights up to 150 meters and horizontal distances over 500 meters, depending on the model.

Continuous Operation

Simultaneously mixes and pumps concrete, eliminating pauses between mixing and pouring.

Ideal for large-scale projects requiring uninterrupted concrete supply.

Primary Advantages

Time Efficiency: Combines mixing and pumping into a single step, speeding up workflows.

Labor Savings: Reduces the need for manual concrete transport (e.g., wheelbarrows or cranes).

Cost-Effective: Minimizes equipment rental costs (no separate mixer and pump required).

Adaptability: Works in confined spaces or remote areas where traditional methods are impractical.

Consistency: Delivers uniform concrete quality with minimal segregation or spillage.

Common Applications

High-Rise Buildings: Pumps concrete to upper floors without cranes.

Roads and Bridges: Efficiently supplies concrete over long distances.

Tunnels and Underground Structures: Operates in restricted spaces.

Rural or Remote Projects: Mobile units can access challenging terrains.

Types of Concrete Mixer Pumps

Stationary Mixer Pumps:

Fixed at a site, often used for large-scale industrial projects.

Mobile Mixer Pumps (Truck-Mounted):

Mounted on a truck chassis for easy transport between sites.

Electric vs. Diesel-Powered:

Diesel engines are common for remote areas without grid power.

Electric motors are quieter and cheaper to operate in urban settings.

Key Considerations When Using a Mixer Pump

Concrete Mix Design: Must match pumpability requirements (e.g., slump value, aggregate size).

Pipeline Setup: Properly secure and lubricate pipes to prevent blockages.

Power Source: Choose diesel for mobility or electric for cost efficiency.

Maintenance: Regular cleaning and inspection of the mixing drum, pump, and hydraulic systems.

Summary

The main purpose of a concrete mixer pump is to automate and optimize the concrete delivery process, ensuring fast, efficient, and precise placement of concrete while reducing labor, 

time, and operational costs. It is indispensable in modern construction for projects demanding both high-volume output and logistical flexibility.

What are the common problems and solutions of a concrete mixer pump?

Mechanical System Issues

Engine Failure

Overheating: Caused by problems such as a blocked cooling system, insufficient coolant, or a malfunctioning radiator fan. Solution: Check the cooling system for blockages, ensure the 

coolant level is sufficient, and repair or replace the radiator fan if necessary.

Difficulty Starting: May be due to a dead battery, faulty ignition system, or fuel supply problem. Solution: Check the battery voltage, replace the battery if needed, inspect the ignition 

system components, and ensure the fuel supply is normal.

Reduced Power: Can be caused by poor fuel quality, clogged air or fuel filters, or carbon buildup in the turbocharger. Solution: Use high-quality fuel, replace the air and fuel filters 

regularly, and clean or repair the turbocharger3.

Belt and Cylinder Malfunctions

Belt Not Working: Caused by problems such as a damaged belt, malfunctioning idler pulley, or insufficient lubrication of the drive roller. Solution: Replace the damaged belt, repair or 

replace the idler pulley, and check and add lubricant to the drive roller regularly.

Cylinder Not Working: May be due to oil sludge buildup inside the cylinder, seal damage, or air leakage. Solution: Dismantle and clean the cylinder, replace the damaged seal, and 

check for air leaks at the piston rod and screw connections.

Hydraulic System Issues

Oil Leakage: Usually caused by worn or damaged seals, loose pipe connections, or damaged hydraulic components. Solution: Replace the seals, tighten the pipe connections, and 

repair or replace the damaged hydraulic components.

Insufficient Pressure: May be due to a malfunctioning oil pump, clogged filter, low hydraulic oil level, or damaged relief valve. Solution: Check the oil pump, replace the clogged filter, 

add hydraulic oil to the required level, and repair or replace the relief valve.

High Oil Temperature: Caused by problems such as a malfunctioning cooling system, excessive hydraulic oil viscosity, or prolonged high-load operation. Solution: Check the cooling 

system, use hydraulic oil of the correct viscosity, and avoid prolonged high-load operation.

Electrical System Issues

Electrical Component Failure: Such as solenoid valves not working, which may be due to coil burnout, valve core blockage, or wiring problems. Solution: Replace the burned-out coil, 

clean or replace the valve core, and check the wiring connections.

Motor Malfunction: Manifested as difficulty starting or unstable operation, possibly due to problems such as power cord disconnection, motor insulation damage, or control circuit failure. 

Solution: Check the power cord and motor connections, measure the motor insulation resistance, and repair or replace the motor if necessary.

Concrete Transportation Issues

Pipe Blockage: Caused by factors such as concrete solidification in the pipe, improper material ratio, or foreign objects in the pipe. Solution: Use a wire rope or high-pressure water gun 

to clean the pipe, adjust the material ratio, and remove foreign objects.

Weak Pumping Force: May be due to problems such as wear of the concrete delivery cylinder, malfunction of the distribution valve, or insufficient pressure of the pumping system. 

Solution: Check and replace the worn delivery cylinder, repair or replace the distribution valve, and check and adjust the pressure of the pumping system.

Mixing Quality Issues

Inconsistent Mixing: Caused by factors such as uneven material feeding, wear of mixing blades, or excessive mixing time. Solution: Ensure even material feeding, check and replace 

the worn mixing blades, and control the mixing time according to the regulations.

Poor Workability: May be due to an improper mix ratio, incorrect water content, or poor quality of raw materials. Solution: Adjust the mix ratio, control the water content, and use 

high-quality raw materials.

Choose #UNIQUE Machinery to help you help accelerate your construction and infrastructure projects!

Website: http://www.unique-cons.com

Whatsapp:+86 133 8403 5767

Email: sales@unique-cons.com

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