US3484049A - Grist mill with wiper arrangement - Google Patents

Grist mill with wiper arrangement Download PDF

Info

Publication number
US3484049A
US3484049A US625209A US3484049DA US3484049A US 3484049 A US3484049 A US 3484049A US 625209 A US625209 A US 625209A US 3484049D A US3484049D A US 3484049DA US 3484049 A US3484049 A US 3484049A
Authority
US
United States
Prior art keywords
nip
grist
mill
rollers
malt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US625209A
Other languages
English (en)
Inventor
Conrad Lenz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3484049A publication Critical patent/US3484049A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C7/00—Preparation of wort
    • C12C7/04—Preparation or treatment of the mash
    • C12C7/042—Mixing malt with water

Definitions

  • This invention relates to brewery equipment, and particularly to improvements in a grist mill for the wet milling of malt.
  • the mill is equipped with two cylindrical rollers which are rotated in opposite directions about parallel horizontal axes and define a nip whose width may vary between approximately 0.35 and 0.50 millimeter, depending on the nature of the malt to be crushed, a nip width of 0.40 to 0.48 millimeter being usually most advantageous.
  • the moist and somewhat glutinous malt is strongly compressed in the nip, and grist particles tend to adhere to the roller surfaces so that a continuous adhering film may ultimately be produced.
  • Film formation is enhanced by irregularities on the roller surfaces, such as knurling resorted to for better milling action. Damage to the bearings of the rollers can result from such films on conventional grist mills when the films cannot be compressed adequately during passage through the nip.
  • An otherwise conventional grist mill having two crushing rollers mounted in a mill housing for rotation about respective axes extending in a common horizontal direction and defining a nip therebetween, means for feeding moistened malt to the nip, and means for mixing the grist or crushed malt with water to make a mash, is equipped, according to this invention, with at least one wiper member which extends axially along one of the rollers, and whose free edge is radially spaced from the associated roller a distance not greater than one-half of the spacing of the rollers in the nip. A portion of the water supplied for mixing with the crushed malt or grist is directed in a spray against the edge of the wiper member.
  • Two generally cylindrical crushing rollers 12 are journaled in the mill housing 6 so that their parallel axes extend in a common horizontal plane, and the roller surfaces form a nip 13, the width d of which has not been drawn to scale for the sake of convenient pictorial representation.
  • the actual width of the nip is about 0.45 millimeter.
  • the rollers 12 are driven in opposite directions by a motor, not shown, so that their surfaces move downward in the nip.
  • the mill housing 6 is supported on a frame 26 and tapers conically downward to the intake of a mash pump 14.
  • the grist or crushed malt downwardly discharged from the nip 13 is intimately mixed with water discharged from an orifice of a supply pipe 16 downwardly against a distributor plate 18 which rotates in a horizontal plane atop the extended shaft 20 of the pump 14.
  • Water is supplied at a rate suflicient to form mash, a suspension of the grist in water, which is capable of being discharge under pressure from the pump 14 into a mash conduit 24 when the pump is driven by a motor, not shown, connected to the drive pulley 22 of the pump by a non-illustrated belt.
  • the invention provides two wiper blades 25 which are mounted between opposite walls of the housing 6 closely adjacent the lowermost portions of the rollers 12 respectively. Each blade extends in a vertical plane through the axis of the associated roller 12 so that it is offset from the nip 13 in the direction of roller movement.
  • the radial spacing 2 between the narrow longitudinal top edge 27 of the blade and the nearest cylindrical surface portion of the associated roller has not been illustrated to scale in the drawing and is approximately 0.20 millimeter, less than one-half of the width d of the nip 13.
  • the blades 25 extend over the entire axial length of the rollers 12 and are exposed to a portion of the water spray rebounding from the upwardly directed face of the distributor plate 18.
  • Films of grist particles formed on the rollers 12 in the nip 13 during operation of the mill are thus reduced in their combined thickness by the wiping action of the blades 25 to less than the width of the nip 13, and cannot exert sufi'icient radial pressure during their next passage through the nip to damage the non-illustrated bearings of the rollers on the mill housing 6.
  • the material wiped from the rollers 12 by the edges 27 of the blades 25 is washed away by water directed against the blade edges by rebound from the distributor plate 18.
  • said orifice and having a face directed toward 1.
  • a grist mill having a housing, two crushing rollthe orifice, and ers mounted in said hOIlsing for rotation about respective (3) means for rotating said plate about an upright horizontally spaced axes extending in a common direction axis, and defining a nip therebetween, means for feeding moist- 5 (4) said wiper members being upwardly oflset ened malt to said nip, whereby crushed malt is discharged from said face of the distributor plate.
  • references Cited (a) a Wiper member extending axially along each of UNITED STATES PATENTS said rollers, and having a free edge radially spaced from the same, the spacing between said edge and m g p said one roller being not greater than one-half of the 256O837 7/1951 i 6 X spacing of said rollers in said nip, and said wiper clan members being angularly oifset from said nip about FOREIGN PATENTS 90 relative to the assoclated roller axes in a down- 15 207,543 3/1909 Germany Ward dlrectlon; and 1,092,420 11/1960 Germany.
  • spraying means in said housing for directing a portion of said water in a spray a ainst the ed es of said wiper members, said spraying means include ding ROBERT R Primary Examiner 1) a water supply conduit having an orifice in 20 DONALD KELLY, Assistant Examiner said housing below said nip and directed in a downward direction, US. Cl. X.R.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Crushing And Grinding (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
US625209A 1966-04-06 1967-03-22 Grist mill with wiper arrangement Expired - Lifetime US3484049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0053297 1966-04-06

Publications (1)

Publication Number Publication Date
US3484049A true US3484049A (en) 1969-12-16

Family

ID=7275288

Family Applications (1)

Application Number Title Priority Date Filing Date
US625209A Expired - Lifetime US3484049A (en) 1966-04-06 1967-03-22 Grist mill with wiper arrangement

Country Status (2)

Country Link
US (1) US3484049A (de)
DE (1) DE1517841A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709864A (en) * 1985-07-19 1987-12-01 Krupp Polysius Ag Method and apparatus for the crushing of material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844827C2 (de) * 1978-10-14 1984-09-20 Bernhard Dipl.-Braum. 8710 Kitzingen Lenz Vorrichtung zum Weichen von Braumaterialien
DE2945976C2 (de) * 1979-11-14 1983-01-13 Anton Steinecker Maschinenfabrik Gmbh, 8050 Freising Kontinuierlich arbeitende Weichvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE207543C (de) *
US1150099A (en) * 1912-06-21 1915-08-17 William N Cornell Apparatus for reducing screening to pulp.
US1725176A (en) * 1928-01-18 1929-08-20 Rexford E Bevis Shredding machine
US2560837A (en) * 1947-10-06 1951-07-17 Moore Dry Dock Company Roller mill with pivoted roll support
DE1092420B (de) * 1959-06-16 1960-11-10 Steinecker Maschf Anton Einrichtung zur Nassschrotung von vorzugsweise Braumalz

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE207543C (de) *
US1150099A (en) * 1912-06-21 1915-08-17 William N Cornell Apparatus for reducing screening to pulp.
US1725176A (en) * 1928-01-18 1929-08-20 Rexford E Bevis Shredding machine
US2560837A (en) * 1947-10-06 1951-07-17 Moore Dry Dock Company Roller mill with pivoted roll support
DE1092420B (de) * 1959-06-16 1960-11-10 Steinecker Maschf Anton Einrichtung zur Nassschrotung von vorzugsweise Braumalz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709864A (en) * 1985-07-19 1987-12-01 Krupp Polysius Ag Method and apparatus for the crushing of material

Also Published As

Publication number Publication date
DE1517841A1 (de) 1970-01-22

Similar Documents

Publication Publication Date Title
US4489895A (en) Vertical roller mills
EP0218012B1 (de) Anlage zur Vorbereitung der Vermahlung von Weizen sowie Verfahren und Anlage zur Weizenvermahlung
CA2075541C (en) Method of and system for flour milling
AU615073B2 (en) System for flouring wheat
US2543599A (en) Screen structure for hammer mills
CN110215991B (zh) 陶瓷湿法制粉工艺及其生产线
US4606506A (en) Vertical type roller mill
CA2174190A1 (en) Vertical Grain Milling Machine
US20220152620A1 (en) Brewer's spent grain grinder and production line for producing product with high protein content
US4508029A (en) Apparatus for preparing feed grain
US3484049A (en) Grist mill with wiper arrangement
US5673860A (en) Method and apparatus for comminuting moist mineral material
CN207563024U (zh) 一种肥料粉碎装置
CN214514982U (zh) 一种矿粉立磨机的回料系统
CN219580683U (zh) 一种砂轮加工用磨粉机
CN213059342U (zh) 微波烘干白钨精矿的给料装置
CN213791952U (zh) 环保型化妆品生产用磨粉机
CN217093817U (zh) 一种环保油墨生产用固态原料粉碎加工装置
CN215087654U (zh) 磨粉主机排除磨料杂物结构
AU654454B1 (en) Gyration-type crushing machine provided with water supply system
CN219463660U (zh) 一种水泥立磨机的喂料机构
CN211514675U (zh) 一种集成墙板原料粉碎装置
CN2478680Y (zh) 一种改进的砂磨机
CN210901341U (zh) 饲料混合粉碎设备
CN217777473U (zh) 塑料粉碎机