Boiling Water Dispensing Chamber for Rapid Hot Water Delivery
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Solution Overview
Problem
Conventional devices for heating water, such as kettles and tubular flow heaters, face issues like inefficiency in heating small volumes quickly, risk of overheating, and inability to maintain water at boiling point due to pressure buildup and initial non-boiling water mixing, making them unsuitable for instant hot water dispensing.
Innovation Solution
A device with a heating chamber that forces boiling liquid under pressure into a dispensing chamber, decoupling the outlet from the heating chamber, using a siphon arrangement for controlled dispensing, and incorporating features like ventilation outlets and a pressure relief valve to manage pressure and ensure safe, uniform water dispensing at boiling point.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a tubular flow heater is used to heat water quickly, then heating speed is improved, but the water temperature is insufficient due to initial non-heated water mixing and pressure buildup
Solution Approach 1:
The device divides the water heating and dispensing process into separate chambers: a heating chamber for rapid boiling and a dispensing chamber for temperature mixing. This segmentation allows the heating function to operate at maximum speed while the dispensing function ensures proper temperature through controlled mixing with reservoir water.
Solution Approach 2:
The dispensing chamber acts as an intermediary between the heating chamber and the user. It receives the rapidly heated water from the heating chamber and mixes it with cooler water from the reservoir, thereby mediating the temperature to achieve the desired output temperature while maintaining fast heating capability.
2Loss of time
If water is heated to boiling point rapidly, then heating time is reduced, but pressure buildup causes safety risks and disrupts continuous heating
Solution Approach 1:
The pressurized heating environment is segmented from the atmospheric dispensing environment. The heating chamber operates under pressure to enable rapid boiling, while the dispensing chamber operates at atmospheric pressure, eliminating the safety risk of pressurized boiling water contacting the user.
Solution Approach 2:
The conduit and dispensing chamber serve as intermediaries that safely transition the water from the pressurized heating chamber to the atmospheric dispensing chamber. This intermediary system manages the pressure differential, allowing rapid heating under pressure while preventing pressure-related safety hazards at the dispensing point.
3Adaptability or versatility
If a large volume of water is kept hot for prolonged periods, then hot water availability is improved, but energy consumption increases significantly
Solution Approach 1:
The system uses the reservoir water as a self-service cooling and mixing medium. When heated water is dispensed, cooler reservoir water automatically flows into the dispensing chamber to replace it, providing continuous temperature regulation without additional energy input. The system self-regulates temperature through this passive mixing mechanism.
Solution Approach 2:
Instead of continuously heating a large volume of water, the system periodically heats small amounts of water in the heating chamber and dispenses them mixed with reservoir water. This periodic heating approach maintains hot water availability while significantly reducing energy consumption compared to continuous heating of large volumes.
4Speed
If the outlet is directly connected to the heating chamber, then dispensing speed is improved, but temperature consistency deteriorates due to mixing with non-boiled water
Solution Approach 1:
The direct connection between heating and dispensing is segmented by introducing the dispensing chamber as a separate compartment. This segmentation allows the heating chamber to focus on rapid water production while the dispensing chamber handles temperature consistency through controlled mixing with reservoir water, maintaining both speed and temperature stability.
Solution Approach 2:
The dispensing chamber serves as an intermediary that receives heated water from the heating chamber and mixes it with reservoir water to achieve consistent temperature. This intermediary function ensures temperature consistency while the system maintains fast dispensing speed through the efficient water transfer mechanism.
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
Enables rapid heating and safe dispensing of a measured amount of water to boiling point, maintaining temperature consistency and safety by managing pressure and preventing overheating, thus providing hot water suitable for immediate use.
Implementation Method 1
The heating chamber (8) is provided in the lower part of the vessel and comprises a heater (34) forming the base of the heating chamber
Implementation Method 2
the increase in pressure associated with boiling forcing the heated liquid into the conduit
Implementation Method 3
it is presently preferred in such embodiments to use a simple siphon arrangement in which, when the water level reaches the predetermined level, the siphon is set up and continues to drain the liquid in the dispensing chamber
Data Source
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AI summary
An apparatus for heating a measured amount of water comprises a heating (chamber 8), a dispensing chamber (10) and a conduit for conveying water from the heating chamber to an inlet of the dispensing chamber (14). The apparatus is arranged such that an increase in pressure associated with boiling forces heated water into the conduit 14 and then into the dispensing chamber (10).