Dissolving Bowl Grid for High-Concentration Chemical Solution
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Solution Overview
Problem
Conventional chemical feeders for water treatment require extensive maintenance, produce low concentrations of chemical solutions, and result in user exposure to harmful chemicals and scale deposition.
Innovation Solution
The development of a device with a housing featuring a lower and upper chamber, a dissolving bowl with a grid and nozzle, designed to produce a high concentration of chemical solution, minimize user interaction with chemicals, and reduce scale deposition by using a pointed grid and pulsed flow agitation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional chemical feeders use solid pellets of calcium hypochlorite dissolved in water, then chlorine is introduced into the water stream, but extensive maintenance is required to remove accumulation of deposits or residue
Solution Approach 1:
The patent extracts the harmful residue accumulation problem by separating the dissolving chamber from the delivery system. The dissolving chamber is designed to be removable and replaceable, allowing easy disposal of depleted chemical containers and removal of residue without disassembling the entire feeder system. This resolves the maintenance burden while maintaining reliable chemical introduction.
Solution Approach 2:
The patent changes the physical state and concentration parameters by using pre-packaged concentrated chemical containers instead of loose pellets. The controlled dissolution process maintains optimal chlorine concentration while minimizing undissolved residue that would accumulate and require maintenance. The system transforms solid pellets into a controlled dissolution process that reduces deposit accumulation.
2Measurement precision
If conventional chemical feeders dissolve chemical material in a controlled manner, then desired FAC concentration is maintained, but user exposure to chemicals during handling occurs
Solution Approach 1:
The patent introduces pre-packaged chemical containers as an intermediary between the chemical material and the user. Users never handle loose chemical pellets directly; instead, they handle sealed containers that are then placed in the dissolving chamber. The controlled dissolution process acts as another intermediary layer, converting solids to solution in a contained manner. This eliminates direct user exposure while maintaining precise FAC concentration control.
Solution Approach 2:
The system uses pre-packaged chemical containers that are self-contained and require minimal user interaction. The containers are designed to be simply placed in the dissolving chamber where they automatically dissolve and release chemicals at the correct rate. This self-service approach minimizes user handling and exposure while maintaining concentration precision.
3Measurement precision
If conventional chemical feeders require frequent addition of chemical materials, then desired FAC concentration is maintained, but time-consuming supervision and intervention are required
Solution Approach 1:
The patent applies preliminary action by using pre-packaged chemical containers that are prepared in advance with the exact amount of chemical material needed. These pre-prepared containers are then simply placed in the dissolving chamber, eliminating the need for frequent user intervention to add chemicals. The system maintains precise FAC concentration through this pre-prepared approach, reducing supervision time significantly.
Solution Approach 2:
The system ensures continuous chemical dissolution and delivery through the use of multiple pre-packaged containers in sequence. As one container depletes, another is already in place or ready to be installed, ensuring uninterrupted chemical introduction and maintaining continuous FAC concentration without requiring user supervision or intervention between additions.
4Ease of manufacture
If conventional chemical feeders produce low concentration chemical solutions, then chemical material is efficiently dissolved, but high volume of solution requires extensive pumping
Solution Approach 1:
The patent changes the concentration parameter by using pre-packaged containers with optimized chemical-to-water ratios. These containers are designed to produce higher concentration solutions directly, reducing the total volume that needs to be pumped. The dissolution efficiency is maintained through the controlled release mechanism, while the concentration increase reduces pumping requirements and improves overall productivity.
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
The device effectively produces a high concentration of chlorine solution, reduces maintenance requirements, minimizes user exposure to chemicals, and prevents scale deposition, enhancing the efficiency and safety of water treatment processes.
Implementation Method 1
direct flow of aqueous fluid (i.e., water) into the dissolving bowl and towards the grid, which results in filling of the dissolving bowl with the aqueous fluid and eventual contact between the aqueous fluid and the chemical material supported upon the grid
Implementation Method 2
The grid is designed such that solid, undissolved chemical material (of a particular size and/or dimension, such as briquettes or tablets) rests on a top surface of the grid, such that the grid is able to maintain physical separation of the solid, undissolved chemical material from at least a bottom portion of the dissolving bowl
Implementation Method 3
The upper chamber is generally in the form of a hopper, such that a chemical material can simply be loaded into the upper chamber and, by way of gravity, the chemical material passes into the dissolving bowl and is supported by the grid
Data Source
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AI summary
The invention is an apparatus for preparing a chemical solution. A device of the present invention includes a housing including a lower chamber and an upper chamber and a dissolving bowl arranged at an interface of the lower chamber and upper chamber. The dissolving bowl includes a grid disposed within. Solid, undissolved chemical material rests on a top surface of the grid, such that the grid is able to maintain physical separation of the solid, undissolved chemical material from at least a bottom portion of the dissolving bowl. The device further includes a nozzle disposed within the dissolving bowl and positioned so as to direct flow of aqueous fluid into the dissolving bowl and towards the grid. The dissolving bowl further includes an outlet in fluid communication with the lower chamber to thereby allow for a prepared chemical solution to flow from the dissolving bowl into the lower chamber.