Dual Hot Water Tank Pump Layout for Temperature Stratification
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Solution Overview
Problem
Existing heating systems face inefficiencies in thermal energy distribution and storage, particularly in maintaining optimal temperature stratification between hot water tanks, which can lead to unnecessary operation time for heat generator units and potential scalding risks.
Innovation Solution
A heating system design featuring at least two hot water tanks connected by lines with a pump unit that circulates water from a cold area to a warm area, along with sensor and control units to manage temperature differences and prevent scalding, allowing for efficient energy use and expansion of existing systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single connecting line is used between hot water tanks, then the device complexity is reduced, but the temperature stratification control and water circulation efficiency deteriorate
Solution Approach 1:
The single connecting line is segmented into multiple connecting lines (first connecting line and second connecting line) that connect different height positions between tanks. This segmentation allows independent control of water flow paths, enabling better temperature stratification management while maintaining manageable system complexity through modular expansion from a single line configuration.
2Stability of the object's composition
If the pump unit operates continuously to maintain temperature stratification, then the temperature distribution is improved, but the energy consumption increases
Solution Approach 1:
The pump unit operates periodically rather than continuously, being activated only when temperature stratification deviations are detected by sensors. The control unit monitors temperature differences and triggers pump operation only when necessary to restore proper stratification, thereby maintaining temperature stability while minimizing energy consumption through on-demand operation.
3Productivity
If the pump unit increases water flow rate to improve circulation, then the water exchange efficiency is improved, but the risk of scalding increases
Solution Approach 1:
The system implements local quality control by monitoring and controlling water temperature at specific locations (cold area and warm area of tanks) rather than uniformly throughout. The pump unit adjusts water flow to maintain local temperature stratification, ensuring that hot water remains in upper regions and cold water in lower regions, thereby improving circulation efficiency while preventing scalding risks through localized temperature management.
4Power
If multiple heat generator units are added to increase heating capacity, then the heating performance is improved, but the system complexity and cost increase
Solution Approach 1:
Multiple heat generator units are merged into a coordinated system where the first heat generator unit handles primary heating of the first tank, and the second heat generator unit supplements heating of the second tank. The control unit integrates operation of both units and the pump system, managing them as a unified thermal management system that achieves enhanced heating capacity while controlling complexity through centralized control logic.
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 achieves advantageous water circulation, reduces the operational time of heat generator units, maintains optimal temperature stratification, and prevents scalding by actively managing temperature differences, enhancing the overall efficiency and safety of the heating system.
Implementation Method 1
the heating system has at least one pump unit, which is arranged in the at least one connecting line
Implementation Method 2
water flowing back against a conveying direction of the pump unit via the further connecting line in at least one operating state
Implementation Method 3
at least one first hot water tank, which is intended to be charged by at least one first heat generator unit
Implementation Method 4
a heat generator unit is to be understood in particular as a unit which is intended to generate thermal energy and/or make it usable
Implementation Method 5
maintains optimal temperature stratification, and prevents scalding by actively managing temperature differences
Data Source
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AI summary
The invention is based on a heating system (10a; 10b; 10c) with at least one first hot water tank (12a; 12b; 12c), which is intended to be loaded by at least one first heat generator unit (14a; 14b; 14c), with at least a second hot water tank (16a; 16b; 16c), which is intended to be loaded by at least one second heat generator unit (18a; 18b; 18c), and having at least one connecting line (20a, 20b, 20c; 22a. 22b, 22c) from a cold area (24a; 24b; 24c) of the at least one first hot water tank (12a; 12b; 12c) to a warm area (26a; 26b; 26c) of the at least one second hot water tank (16a; 16b; 16c). It is proposed that the heating system (10a; 10b; 10c) has at least one pump unit (28a, 28b; 28c) which is arranged in the at least one connecting line (20a, 20b, 20c; 22a. 22b, 22c).