# US 2023/0405533 A1 · Devices and systems for preparing a chemical solution > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0405533 A1 - Document ID: US20230405533A1 - Status: Published application - Kind: A1 - Application number: 18/332,156 - Filed: 2023-06-09 - Published: 2023-12-21 - Earliest claimed: 2022-06-15 - Assignees: Innovative Water Care, LLC - Applicants: Innovative Water Care, LLC - Inventors: Matthew Muller; Enloe West - Web page: https://patentgrep.com/patent/US20230405533A1 ## CPC - B01F 21/22: {using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles} - B01F 21/221: {comprising constructions for blocking or redispersing undissolved solids} - B01F 23/565: {by introducing liquids in solid material, e.g. to obtain slurries} - C02F 1/688: {Devices in which the water progressively dissolves a solid compound} - C02F 1/76: with halogens or compounds of halogens {(C02F1/4674 takes precedence)} - B01F 2101/2204: {Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application} - C02F 2103/42: from bathing facilities, e.g. swimming pools - C02F 2301/024: Turbulent - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract A device is provided for preparing a chemical solution. The device comprises a dissolving bowl having an open top portion for receiving a solid chemical material and a closed bottom portion. A grid member is disposed between the top and bottom portions for supporting the chemical material on a top surface thereof defining an array of grid openings and a flow opening distinct therefrom. A nozzle is positioned proximate the bottom portion and directs flow of an aqueous fluid to contact and dissolve at least some of the chemical material and create a chemical solution thereof Δn insert disposed proximate the grid member impedes flow of the aqueous fluid through one or more of the grid openings to increase fluid turbulence within the dissolving bowl and/or redirects the fluid flowing from the flow opening to flow in one or more directions over the grid member. ## Claims ### Claim 1 A device for preparing a chemical solution comprising: a dissolving bowl comprising an open top portion for receiving a solid chemical material therethrough and a closed bottom portion; a grid member disposed within the dissolving bowl between the top portion and the bottom portion, the grid member arranged for supporting the solid chemical material on a top surface thereof, the grid member defining an array of grid openings and a flow opening distinct from the grid openings; a nozzle disposed within the dissolving bowl and positioned proximate the bottom portion, the nozzle arranged to direct flow of an aqueous fluid into the dissolving bowl from the bottom portion towards the grid member to thereby cause the aqueous fluid to contact and dissolve the solid chemical material and create the chemical solution of the aqueous fluid and the solid chemical material dissolved therein, wherein the grid openings allow the chemical solution to flow therethrough toward the bottom portion of the dissolving bowl, wherein the nozzle is directed toward the flow opening of the grid member to provide fluid flow from the nozzle toward the flow opening of the grid member; and an insert disposed within the dissolving bowl and proximate the grid member, the insert arranged to impede flow of the aqueous fluid through one or more of the grid openings sufficient to increase fluid turbulence within the dissolving bowl and/or redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member. ### Claim 2 (depends on 1) The device of claim 1, wherein the insert includes a flow impeding member arranged to impede the flow of the aqueous fluid through the one or more of the grid openings sufficient to increase fluid turbulence within the dissolving bowl. ### Claim 3 (depends on 2) The device of claim 2, wherein the flow impeding member comprises a disc-shaped portion. ### Claim 4 (depends on 2) The device of claim 2, wherein the flow impeding member is arranged to allow fluid flow through the flow opening while simultaneously impeding the flow of the aqueous fluid through the one or more of the grid openings which surround the flow opening. ### Claim 5 (depends on 2) The device of claim 2, wherein the flow impeding member comprises a tubular portion arranged to be inserted into the flow opening. ### Claim 6 (depends on 1) The device of claim 1, wherein the insert includes a flow redirecting member arranged to redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member. ### Claim 7 (depends on 6) The device of claim 6, wherein the flow redirecting member comprises a body having an upper portion and sidewalls fixed to the upper portion and defining one or more openings, wherein the upper portion and the sidewalls define an enclosure configured to receive the aqueous fluid flowing from the flow opening and direct the aqueous fluid through the one or more openings in the sidewalls. ### Claim 8 (depends on 7) The device of claim 7, wherein the body of the flow redirecting member has a lower portion fixed to the sidewalls opposite the upper portion, the lower portion arranged to contact the top surface of the grid member. ### Claim 9 (depends on 6) The device of claim 6, wherein the flow redirecting member has a tab arranged to function as a fingerhold to promote ease of installation of the flow redirecting member. ### Claim 10 (depends on 1) The device of claim 1, wherein the insert includes an assembly of a flow impeding member proximate a bottom surface of the grid member and arranged to impede the flow of the aqueous fluid through the one or more of the grid openings sufficient to increase fluid turbulence within the dissolving bowl and a flow redirecting member proximate the top surface of the grid member and arranged to redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member, and the flow impeding member and the flow redirecting member are coupled to each other and thereby retained in fixed positions relative to the grid member. ### Claim 11 (depends on 10) The device of claim 10, wherein the flow redirecting member comprises an elongated connection member arranged to extend through one or more of the grid openings and engage with the flow impeding member to releasably couple the flow redirecting member and the flow impeding member to each other. ### Claim 12 (depends on 11) The device of claim 11, wherein the insert includes alignment features configured to align the elongated connection member with an engagement opening of the flow impeding member. ### Claim 13 (depends on 1) The device of claim 1, wherein the solid chemical material is calcium hypochlorite. ### Claim 14 (depends on 1) The device of claim 1, wherein a fluid flow rate of the device during operation thereof is between about 0.2 and 5 gpm (0.8 and 18.9 lpm). ### Claim 15 (depends on 1) The insert of claim 1. ### Claim 16 A system for preparing a chemical solution comprising: a chemical feeder comprising: a dissolving bowl comprising an open top portion for receiving a solid chemical material therethrough and a closed bottom portion; a grid member disposed within the dissolving bowl between the top portion and the bottom portion, the grid member arranged for supporting the solid chemical material on a top surface thereof, the grid member defining an array of grid openings and a flow opening distinct from the grid openings; a nozzle disposed within the dissolving bowl and positioned proximate the bottom portion, the nozzle arranged to direct flow of an aqueous fluid into the dissolving bowl from the bottom portion towards the grid member to thereby cause the aqueous fluid to contact and dissolve the solid chemical material and create the chemical solution of the aqueous fluid and the solid chemical material dissolved therein, wherein the grid openings allow the chemical solution to flow therethrough toward the bottom portion of the dissolving bowl, wherein the nozzle is directed toward the flow opening of the grid member to provide fluid flow from the nozzle toward the flow opening of the grid member; and an insert disposed within the dissolving bowl and proximate the grid member, the insert arranged to impede flow of the aqueous fluid through one or more of the grid openings sufficient to increase fluid turbulence within the dissolving bowl and/or redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member. ### Claim 17 (depends on 16) The system of claim 16, wherein the insert includes a flow impeding member arranged to impede flow of the aqueous fluid through the one or more grid openings sufficient to increase fluid turbulence within the dissolving bowl, the flow impeding member comprising a disc-shaped portion that is proximate a bottom surface of the grid member. ### Claim 18 (depends on 17) The system of claim 17, wherein the flow impeding member is arranged to allow fluid flow through the flow opening while simultaneously impeding flow of the aqueous fluid through the one or more of the grid openings which surround the flow opening. ### Claim 19 (depends on 16) The system of claim 16, wherein the insert comprises a flow redirecting member arranged to redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member, the flow redirecting member comprises a body having an upper portion and sidewalls fixed to the upper portion and defining one or more openings, wherein the upper portion and the sidewalls define an enclosure configured to receive the aqueous fluid flowing from the flow opening and direct the aqueous fluid through the one or more openings in the sidewalls. ### Claim 20 (depends on 16) The system of claim 16, wherein the insert includes an assembly of a flow impeding member proximate a bottom surface of the grid member and arranged to impede the flow of the aqueous fluid through the one or more of the grid openings sufficient to increase fluid turbulence within the dissolving bowl and a flow redirecting member proximate the top surface of the grid member and arranged to redirect the fluid flowing from the flow opening to flow in one or more directions over the top surface of the grid member, and the flow impeding member and the flow redirecting member are coupled to each other and thereby retained in fixed positions relative to the grid member.