Pulsed Heating With Fluid Mixing for Stable Outlet Temperature Control
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Solution Overview
Problem
Conventional heating devices face challenges in achieving precise and stable temperature control, particularly in continuous-flow heaters, leading to inefficient energy use and temperature fluctuations.
Innovation Solution
Incorporating a valve unit that mixes fluid from the supply line with the discharge line upstream of the outlet, controlled by a pulsed operation of the heating unit, to maintain a uniform outlet temperature through synchronized control of the heating and valve units, allowing for flexible and efficient temperature adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the heating unit operates in a pulsed manner to set a particular temperature, then energy efficiency is improved, but temperature stability deteriorates due to fluctuations during pulse cycles
Solution Approach 1:
The heating unit operates in a pulsed manner with periodic on/off cycles, allowing energy-efficient operation while maintaining temperature control through rhythmic heating intervals rather than continuous operation
Solution Approach 2:
A mixing unit is introduced as an intermediary component between the heating unit and the outlet, blending heated fluid with cooler supply fluid to stabilize the outlet temperature and reduce fluctuations during pulsed heating cycles
2Stability of the object's composition
If a valve unit mixes fluid from the supply line with discharge line fluid upstream from the outlet, then temperature uniformity is improved, but device complexity increases
Solution Approach 1:
A mixing unit is introduced as an intermediary component between the heating unit and the outlet, blending heated fluid with cooler supply fluid to stabilize the outlet temperature and reduce fluctuations during pulsed heating cycles
Solution Approach 2:
The mixing unit combines two fluid streams (heated fluid from the discharge line and cooler fluid from the supply line) into a single mixed stream, achieving temperature uniformity through the merging of these flows upstream from the outlet
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 solution enables precise temperature control with minimal fluctuations, enhancing energy efficiency and user comfort by maintaining a consistent outlet temperature within a narrow range, thus improving the overall performance of heating devices.
Implementation Method 1
a valve unit, which is configured to mix the fluid in the fluid discharge line with fluid from the fluid supply line, upstream from an outlet
Implementation Method 2
a heating unit, which is configured to heat at least one fluid
Implementation Method 3
a heating unit, which is configured to convert energy, in particular, electrical energy, bioenergy and/or, preferably, fossil energy into heat, in particular, directly
Data Source
AI summary
A heating device, including at least one heating unit, which is configured to heat at least one fluid; at least one fluid supply line, which is provided for supplying the fluid to the heating unit for heating; at least one fluid discharge line, which is provided for discharging the fluid from the heating unit after the heating; and a control and/or regulating unit, which is configured to operate the heating unit in a pulsed manner, in at least one operating state, in order to set a particular temperature. The heating device includes a valve unit, which is configured to mix the fluid in the fluid discharge line with fluid from the fluid supply line, upstream from an outlet.