Mortar Pump Heat Exchanger Vertical Airflow
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Solution Overview
Problem
Mortar pumps face challenges with frequent cleaning and insufficient cooling capacity due to heat exchanger soiling from dusty environments, leading to operational inefficiencies.
Innovation Solution
The heat exchanger unit is arranged with vertically aligned air ducts and a removable fan, allowing for easy cleaning and improved airflow, which directs sound emissions downwards, reducing noise and facilitating maintenance. Additionally, a water supply element can enhance cooling and cleaning, and a filter can be used to reduce contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the heat exchanger unit is arranged horizontally with conventional airflow, then the cooling capacity is maintained, but the cleaning frequency increases and maintenance becomes difficult
Solution Approach 1:
The heat exchanger unit is rotated from a conventional horizontal arrangement to a vertical arrangement, changing the spatial orientation of air ducts from horizontal to vertical. This dimensional change allows cleaning fluid to flow downward along the air ducts, making cleaning easier and more effective while reducing the frequency of maintenance required.
Solution Approach 2:
Instead of the conventional horizontal airflow path through the heat exchanger, the invention inverts the arrangement to vertical airflow. This inversion allows gravity to assist in the removal of cleaning fluid and contaminants, simplifying the cleaning process and reducing maintenance time.
2Ease of repair
If the heat exchanger unit is made accessible for frequent cleaning, then maintenance becomes easier, but the cooling capacity may be compromised
Solution Approach 1:
The vertical arrangement of air ducts creates a compact structure that is both accessible for maintenance and maintains effective cooling. The vertical orientation allows the heat exchanger to be positioned in a space-efficient manner while keeping the airflow path optimized for heat transfer, thus maintaining cooling capacity during frequent maintenance cycles.
3Object-affected harmful factors
If the air outlet opening is positioned laterally, then noise is dispersed to surrounding areas, but the cooling efficiency is improved
Solution Approach 1:
The invention converts the potentially harmful noise emission into a beneficial downward-directed airflow. By positioning the air outlet opening at the bottom of the housing, the exhaust noise is directed downward where it is less disturbing, while the vertical airflow path through the heat exchanger maintains effective cooling capacity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration simplifies maintenance and cleaning, enhances cooling capacity, reduces noise, and protects the heat exchanger from damage while ensuring effective heat transfer and cleanliness.
Implementation Method 1
a coolant circuit with a heat exchanger unit is arranged in the housing, via which the engine can be cooled
Implementation Method 2
at least one removable fan is arranged vertically above the heat exchanger unit, by means of which air can be conveyed through the heat exchanger unit
Implementation Method 3
the heat exchanger unit with vertically aligned air ducts is arranged above at least one opening in the bottom of the housing
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a mortar pump, in particular a screed pump, with a housing (1) in which a motor (4), in particular an internal combustion engine (4), and a compressor unit driven by the motor (4) are arranged, wherein a mixing tank (3), in particular arranged externally on the housing (1), can be pressurized with compressed air by the compressor unit, the mixing mechanism of which is driven by the internal combustion engine (4), and wherein a coolant circuit with a heat exchanger unit (8) is arranged in the housing (1), via which the motor (4) can be cooled. The heat exchanger unit (8) is arranged with vertically oriented air channels (9) above at least one opening in the bottom of the housing (1), and at least one removable fan (7) is arranged vertically above the heat exchanger unit (8), by means of which air can be conveyed through the heat exchanger unit (8).