# US 10,500,591 B2 · System and method for the preparation of a feedstock > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,591 B2 - Document ID: US10500591B2 - Status: Granted - Kind: B2 - Application number: 14/843,794 - Filed: 2015-09-02 - Published: 2017-03-02 - Granted: 2019-12-10 - Earliest claimed: 2015-09-02 - Assignees: Air Products and Chemicals, Inc. - Applicants: Air Products and Chemicals, Inc. - Inventors: Raúl Eduardo Ayala - Web page: https://patentgrep.com/patent/US10500591B2 ## CPC - B02C 17/16: Mills in which a fixed container houses stirring means tumbling the charge - B02C 17/18: Details - C10J 3/50: Fuel charging devices - C10J 3/721: {Multistage gasification, e.g. plural parallel or serial gasification stages} - C10J 3/723: {Controlling or regulating the gasification process} - C10J 2200/15: Details of feeding means - C10J 2300/0906: Physical processes, e.g. shredding, comminuting, chopping, sorting - Y02E 20/16: Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT] - Y02E 20/18: Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS] - B02C: CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN ({household tools and machines for pulverising foodstuffs, e.g. coffee and spice mills A47J42/00; pharmaceutical mortars A61J3/02; mechanical processing of refuse and garbage B03B9/06; dressing mould materials by grinding B22C5/04}; obtaining metallic powder by crushing, grinding or milling B22F9/04; {recovery of plastics by disintegrating B29B17/00; crushing raw materials in starch making C08B30/02; beaters for papermaking D21D1/02; crushing devices specially for transport in mines E21F13/002; slag crushing devices F23J1/00; fuel milling devices in combustion apparatus F23K1/00; household devices for crushing coal F24B15/02; ice disintegrating devices F25C5/02}) - C10J: PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES (synthesis gas from liquid or gaseous hydrocarbons C01B; underground gasification of minerals E21B43/295); CARBURETTING AIR OR OTHER GASES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Disclosed embodiments include a feedstock preparation system that includes a solid feedstock mill including a housing having a chamber. The solid feedstock mill also includes a solids breakup assembly at least partially disposed inside the chamber. The solid feedstock mill further includes a feedstock inlet through the housing into the chamber and a plurality of feedstock outlets through the housing from the chamber. ## Claims ### Claim 1 A system, comprising: a solid feedstock mill, comprising: a housing having a cover portion coupled to a body portion about a chamber, wherein the cover portion is disposed about a first chamber portion of the chamber, and the body portion is disposed about a second chamber portion of the chamber; a solids breakup assembly at least partially disposed inside the chamber, wherein the solids breakup assembly comprises a first rotary structure having one or more first projections disposed in the first chamber portion, and the solids breakup assembly comprises a second rotary structure having one or more second projections disposed in the second chamber portion; a feedstock inlet through the housing into the chamber; and a plurality of feedstock outlets through the cover portion of the housing from the chamber, wherein the plurality of feedstock outlets is disposed above the feedstock inlet, and the one or more first projections of the first rotary structure are configured to facilitate a discharge through the plurality of feedstock outlets. ### Claim 2 (depends on 1) The system of claim 1, comprising at least one of a first gasifier coupled to a first feedstock outlet of the plurality of feedstock outlets, a second gasifier coupled to a second feedstock outlet of the plurality of feedstock outlets, or a combination thereof. ### Claim 3 (depends on 1) The system of claim 1, wherein the one or more first projections comprise a plurality of rotating arms. ### Claim 4 (depends on 3) The system of claim 3, wherein the cover portion comprises a dome-shaped cover portion. ### Claim 5 (depends on 3) The system of claim 3, wherein the plurality of rotating arms are aligned with the plurality of feedstock outlets to facilitate the discharge radially outward through the plurality of feedstock outlets. ### Claim 6 (depends on 1) The system of claim 1, wherein the plurality of feedstock outlets comprises at least one of a non-circular outlet, a rectangular outlet, or an oval outlet. ### Claim 7 (depends on 1) The system of claim 1, wherein the plurality of feedstock outlets are arranged symmetrically about an axis of the housing. ### Claim 8 (depends on 1) The system of claim 1, wherein at least two of the plurality of feedstock outlets are disposed directly adjacent one another in a side by side arrangement. ### Claim 9 (depends on 1) The system of claim 1, wherein at least two of the plurality of feedstock outlets are disposed at a common axial position and different circumferential positions relative to an axis of the housing. ### Claim 10 (depends on 1) The system of claim 1, wherein the plurality of feedstock outlets comprises a plurality of axially arranged outlets, a plurality of circumferentially arranged outlets, or a combination thereof. ### Claim 11 (depends on 1) The system of claim 1, wherein the plurality of feedstock outlets comprises at least one axial outlet, at least one radial outlet, or a combination thereof. ### Claim 12 (depends on 1) The system of claim 1, wherein first and second outlets of the plurality of feedstock outlets comprise an equal cross-sectional area. ### Claim 13 (depends on 1) The system of claim 1, wherein first and second outlets of the plurality of feedstock outlets comprise different cross-sectional areas. ### Claim 14 (depends on 1) The system of claim 1, wherein the solids breakup assembly comprises a drive coupled to the first and second rotary structures, the one or more first projections comprise a first plurality of radial structures, and the one or more second projections comprise a second plurality of radial structures. ### Claim 15 (depends on 14) The system of claim 14, wherein the solids breakup assembly comprises a plurality of balls disposed inside the chamber of the housing. ### Claim 16 (depends on 1) The system of claim 1, comprising a first mixer coupled to a first outlet of the plurality of feedstock outlets and a second mixer coupled to a second outlet of the plurality of feedstock outlets, wherein the first mixer is configured to output a first mixture having a first composition, wherein the second mixer is configured to output a second mixture having a second composition, wherein the first and second compositions differ in a percentage of feedstock, a percentage of water, a percentage of additive, a distribution of sizes of feedstock, or a combination thereof. ### Claim 17 (depends on 16) The system of claim 16, wherein at least one of the first or second mixers is coupled to a feedstock preparation system, a supply of feedstock, a supply of water, a supply of additive, or a combination thereof. ### Claim 18 A system, comprising: a solid feedstock mill, comprising: a housing having a cover portion and a body portion disposed about a chamber; a solids breakup assembly comprises a plurality of balls disposed inside the chamber, a drive coupled to a rod that extends into the chamber, and a plurality of radial structures coupled to the rod, wherein at least one radial structure of the plurality of radial structures is disposed in the cover portion; a feedstock inlet through the body portion into the chamber; and a plurality of feedstock outlets through the cover portion from the chamber. ### Claim 19 (depends on 18) The system of claim 18, wherein the plurality of feedstock outlets is disposed above the feedstock inlet, wherein the at least one radial structure is configured to facilitate a discharge through the plurality of feedstock outlets. ### Claim 20 A method, comprising: receiving a feedstock through a feedstock inlet into a chamber of a housing of a solid feedstock mill, wherein the housing comprises a cover portion coupled to a body portion; breaking up the feedstock with a solids breakup assembly at least partially disposed inside the chamber, wherein the solids breakup assembly comprises a first rotary structure having one or more first projections disposed in the cover portion, and the solids breakup assembly comprises a second rotary structure having one or more second projections disposed in the body portion; and outputting the feedstock from the chamber through a plurality of feedstock outlets in the cover portion of the housing, wherein the plurality of feedstock outlets is disposed above the feedstock inlet, and the one or more first projections of the first rotary structure are configured to facilitate a discharge through the plurality of feedstock outlets.