Gravity-Fed Bulk Liquid Dispensing with Interchangeable Tanks
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Solution Overview
Problem
Existing liquid dispensing machines are inefficient due to high hydroelectric power consumption, noise pollution, and limitations in refilling bulk liquids, which restricts their eco-friendliness and operational efficiency, especially when dealing with multiple types of liquids.
Innovation Solution
A bulk liquid dispensing system comprising a primary tank and a portable secondary tank, where the secondary tank is interchangeable and supports the primary tank above the dispensing nozzle, allowing gravity-fed dispensing without power consumption, and a common payment system for multiple dispensers to facilitate collective purchases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single tank is provided for each liquid type, then the device structure is simple, but the device cannot operate when the tank is being refilled, causing loss of time
Solution Approach 1:
The single tank is divided into two separate tanks: a first tank for storing bulk liquid and a second tank for dispensing liquid to customers. This segmentation allows the first tank to be refilled independently while the second tank continues to supply liquid, eliminating operational interruption and reducing refilling time loss.
2Device complexity
If the tank is supported at ground level, then the device structure is simple, but additional pumps are required to pump liquid upward, increasing energy consumption
Solution Approach 1:
Instead of supporting the tank at ground level and pumping liquid upward, the first tank is elevated above ground level. This inversion of the support arrangement allows liquid to flow downward to the dispensing nozzle under gravity, eliminating the need for pumps and reducing energy consumption.
3Productivity
If multiple water pumps operate in one facility, then dispensing capacity is increased, but noise pollution increases, creating harmful factors
Solution Approach 1:
The pump is extracted from the system by using gravity-fed dispensing through the elevated tank arrangement. This eliminates the source of noise pollution while maintaining dispensing capacity through the passive flow of liquid from the elevated first tank to the second tank and nozzle.
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 setup reduces power consumption, simplifies refilling, and enables efficient dispensing of various liquids, while the common payment system streamlines transactions, making the system more environmentally friendly and convenient for customers.
Implementation Method 1
supporting the primary tank above the dispensing nozzle and the secondary tank above the primary tank, the dispensing can be accomplished by gravity feed only freely through two levels of tanks so as to be more environmentally friendly as no power is required for pumping the liquid
Data Source
AI summary
A bulk liquid dispensing system includes a plurality of dispensing devices for each dispensing a respective type of bulk liquid. Each device includes a primary tank of bulk liquid communicating with a nozzle for dispensing into a reusable container which may be provided by a customer. A secondary portable tank is interchangeably connected above the primary tank to ensure continued dispensing of liquid even as the secondary tank is interchanged. A payment system associates a debit amount with a dispensed fluid from each device resulting from a user selection and a cumulative total of the debit amounts is collected from the customer in a single transaction. The devices can be operated to dispense liquid in response to input of an identification code which is generated when the user prepays, for example through a web interface, a mobile application, a point of sale tool, or a tablet application.