US1585149A - Die for the continuous production of cellulosic fuel - Google Patents

Die for the continuous production of cellulosic fuel Download PDF

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Publication number
US1585149A
US1585149A US697454A US69745424A US1585149A US 1585149 A US1585149 A US 1585149A US 697454 A US697454 A US 697454A US 69745424 A US69745424 A US 69745424A US 1585149 A US1585149 A US 1585149A
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Prior art keywords
die
fuel
cellulosic
cellulosic material
continuous production
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Expired - Lifetime
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US697454A
Inventor
George C Humphrey
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UNITED PRODUCTS Co Inc
UNITED PRODUCTS COMPANY Inc
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UNITED PRODUCTS Co Inc
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Priority to US697454A priority Critical patent/US1585149A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/224—Extrusion chambers
    • B30B11/225—Extrusion chambers with adjustable outlet opening

Definitions

  • This invention relates to a die for molding cellulosic material and is more particularly directed to a die having a restricted passage for continuously molding a fuel from finely divided cellulosic materials while the said cellulosic material is being subjected to heat.
  • Sawdust, straw, shavings, and other cellulosic materials have been used in some places as a fuel.
  • the disadvantage of the employment of these cellulosic materials is that they are too bulky and difficult to handle, while their heating value, which depends up on the amount of moisture they contain, is seldom more than one-third to one-half of that of good coal. Any of these finely divided cellulosic materials thrown into a furnace in such a finely divided state likewise have a tendency to choke the fire.
  • This invention relates primarily to a die in which the cellulosic material is bound together to form a compact fuel while said cellulosic material is being heated and subjected to pressure, producing a fuel more compact than ordinary wood, having the advantages of ordinary wood, and in addition being less expensive, as the materials used, for the most part, are what might be termed industrial waste.
  • An object of this invention is to produce a die in which the cellulosic material may be bound together to form a compact fuel by subjecting the cellulosic material to the effects of heat and pressure.
  • a further object of this invention is to provide a die which may be employed in connection with a continuous process for the production of such a compact fuel of cellulosic material.
  • Figure 1 is a side elevation of a machine to which this die may be adapted, illustrating a means of feeding the waste cellulosic material into the die, and a means of heating the die while in position on the machine.
  • Fig. 2 is a sectional side elevation of a die embodying this invention.
  • Fig. 3 is an end elevation of a die embodying this invention, taken from the rightto the left of Figure 1.
  • a compression machine 1 comprises a means 2 for providing a reciprocating motion to a plunger or piston 8, which plunger or piston is adapted to reciprocate within the die 4, forcing the finely divided cellulosic material, as received from a feeding mechanism 5-, into and through the die 4. Any suitable means 6 may be provided for heating the die 4, or the cellulosic material may be heated in the feeding mechanism 5.
  • the body '7 is formed as a solid cylinder of steel having a collar 8 and a flange 9, the flange 9 being adapted to be secured in position on a suitable compression machine, as illustrated at 10.
  • the collar 8 is provided to aid' in the centering of the die on the machine and likewise aid in reinforcing the die-
  • the pressure is applied to the cellulosic material injected into the die by the plunger 3.
  • a core 11 having an interior diameter of substantially the size fuel desired is adapted to fit within the cylindrical body 7 and is preferably constructed of cast iron, and may be removed or replaced as it wears.
  • a choke block 12 is adapted to fit within a recess 13 cut in the cylindrical body 7 and the core 11.
  • the choke block 12 is adapted to be forced into the passage 1d within the core 11 to restrict the passage 14 so that the cellulosic material will be forced to choke in the die at this point.
  • the desired pressure is obtained upon the cellulosic material as the same is heated by any suitable means 6.
  • a stirrup 15 having a screw 16 is adapted to encircle the cylindrical body 7 so that the screw 16 abuts the choke block 12 in such a manner that by turning the screw 16, the choke block may be forced into or allowed to rec'ede from the interior 14 of the core 11 in such a. manner that the pressure obtained upon the eellulosic material is thereby determined.
  • this novel die 4 is employed issubstantially as follows
  • the plunger 3 is reciprocated by asuitable means 2 and is adapted to receive the finely divided cellulosic material from the feeding mechanism 5, forcing the cellulosic material into the die at, the material being, properly heated in the die.
  • the passage 14 is restricted by the choke bloc-k l2,lthe cellulosic material is compressed in the die and, as the compression proceeds forced past the choke block 12 and leaves the die 4 as a compressed. stick: of fuel bound together" by the organic constituents of the cellulosiematerial. As the compressed stick of, "fuel leaves the die 4 it is sewed; orotlieuwise broken in:--
  • a die for the continuous production of cellulosic fuel comprising a tubular body, a tubular core mounted within the tubular body and having a uniform central passage therethrough, a flange formed at one end of the body to detaeluibly mount the said die, a slot formed in the body and in the core at the opposite end thereof, it segmental choke block mounted in the slot, 11 stirrup surrounding the bod and having, means screw threaded therethrough for engaging. the segmental choke block forv adjustably. holding-the said block in position within the said slot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

May 18 1926. 1,585,149
G- C- HUMPHREY DIE FOR THE CdNTINUOUS PRODUCTION OF CELLULOSIC FUEL Filed March 7, 1924 Patented May 18, 1926.
UNITE s'rarss GEORGE C. HUMPHREY, OF LOS ANGELES, CALIFORNIA, ASSIGNOR, BY DIRECT A ND MESNE ASSIGNMENTS, TO UNITED PRODUCTS COMPANY, INCORPORATED, OF LOS ANGELES, CALIFORNIA, A CORPORATION OF CALIFORNIA.
DIE FOR THE CONTINUOUS PRODUCTION OF CELLULOSIC FUEL.
Application field March 7, 1924. Serial No. 697,454.
This invention relates to a die for molding cellulosic material and is more particularly directed to a die having a restricted passage for continuously molding a fuel from finely divided cellulosic materials while the said cellulosic material is being subjected to heat. Sawdust, straw, shavings, and other cellulosic materials have been used in some places as a fuel. The disadvantage of the employment of these cellulosic materials is that they are too bulky and difficult to handle, while their heating value, which depends up on the amount of moisture they contain, is seldom more than one-third to one-half of that of good coal. Any of these finely divided cellulosic materials thrown into a furnace in such a finely divided state likewise have a tendency to choke the fire.
Heretofore, many attempts have been made to produce a compact fuel from such cellulosic materials, which attempts have been more or less limited to what might be called baling of the loose particles of said cellulosic materials. This invention relates primarily to a die in which the cellulosic material is bound together to form a compact fuel while said cellulosic material is being heated and subjected to pressure, producing a fuel more compact than ordinary wood, having the advantages of ordinary wood, and in addition being less expensive, as the materials used, for the most part, are what might be termed industrial waste.
An object of this invention is to produce a die in which the cellulosic material may be bound together to form a compact fuel by subjecting the cellulosic material to the effects of heat and pressure.
A further object of this invention is to provide a die which may be employed in connection with a continuous process for the production of such a compact fuel of cellulosic material.
Further objects and advantages of this in vention will be apparent from the following detailed description of a preferred embodiment thereof.
In the drawing:
Figure 1 is a side elevation of a machine to which this die may be adapted, illustrating a means of feeding the waste cellulosic material into the die, and a means of heating the die while in position on the machine.
Fig. 2 is a sectional side elevation of a die embodying this invention.
Fig. 3 is an end elevation of a die embodying this invention, taken from the rightto the left of Figure 1. v
A compression machine 1 comprises a means 2 for providing a reciprocating motion to a plunger or piston 8, which plunger or piston is adapted to reciprocate within the die 4, forcing the finely divided cellulosic material, as received from a feeding mechanism 5-, into and through the die 4. Any suitable means 6 may be provided for heating the die 4, or the cellulosic material may be heated in the feeding mechanism 5.
The construction of this novel die is substantially as follows:
The body '7 is formed as a solid cylinder of steel having a collar 8 and a flange 9, the flange 9 being adapted to be secured in position on a suitable compression machine, as illustrated at 10. The collar 8 is provided to aid' in the centering of the die on the machine and likewise aid in reinforcing the die- The pressure is applied to the cellulosic material injected into the die by the plunger 3. A core 11 having an interior diameter of substantially the size fuel desired is adapted to fit within the cylindrical body 7 and is preferably constructed of cast iron, and may be removed or replaced as it wears.
A choke block 12 is adapted to fit within a recess 13 cut in the cylindrical body 7 and the core 11. The choke block 12 is adapted to be forced into the passage 1d within the core 11 to restrict the passage 14 so that the cellulosic material will be forced to choke in the die at this point. By this means, in connection with the plunger 3, the desired pressure is obtained upon the cellulosic material as the same is heated by any suitable means 6. A stirrup 15 having a screw 16 is adapted to encircle the cylindrical body 7 so that the screw 16 abuts the choke block 12 in such a manner that by turning the screw 16, the choke block may be forced into or allowed to rec'ede from the interior 14 of the core 11 in such a. manner that the pressure obtained upon the eellulosic material is thereby determined.
The manner in which this novel die 4 is employed issubstantially as follows The plunger 3 is reciprocated by asuitable means 2 and is adapted to receive the finely divided cellulosic material from the feeding mechanism 5, forcing the cellulosic material into the die at, the material being, properly heated in the die. As the passage 14 is restricted by the choke bloc-k l2,lthe cellulosic material is compressed in the die and, as the compression proceeds forced past the choke block 12 and leaves the die 4 as a compressed. stick: of fuel bound together" by the organic constituents of the cellulosiematerial. As the compressed stick of, "fuel leaves the die 4 it is sewed; orotlieuwise broken in:--
to the desired lengths for use in; furnaces, stoves, or the like.
Having fully described a preferred embodiment; of this invention,.it isto be understood that I donot wish to be limited to the exact construction herein disclosed. which may obviously be Varied Without departing from the spirit of this invention as set forth in the appended claim.
I claim:
A die for the continuous production of cellulosic fuel comprising a tubular body, a tubular core mounted within the tubular body and having a uniform central passage therethrough, a flange formed at one end of the body to detaeluibly mount the said die, a slot formed in the body and in the core at the opposite end thereof, it segmental choke block mounted in the slot, 11 stirrup surrounding the bod and having, means screw threaded therethrough for engaging. the segmental choke block forv adjustably. holding-the said block in position within the said slot.
Signed at Los Angeles, G2lllfOll1l2l,.tllllS 29th day of February, 102.4.
GEORGE G. HUMPHREY.
US697454A 1924-03-07 1924-03-07 Die for the continuous production of cellulosic fuel Expired - Lifetime US1585149A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549686A (en) * 1949-09-16 1951-04-17 Crane Co Apparatus for the extrusion of pipe
US2598913A (en) * 1949-10-17 1952-06-03 Crane Co Extrusion apparatus
US2613618A (en) * 1948-05-25 1952-10-14 Sharp Albert Cutting mechanism and extrusion nozzle for continuously moving plastic bars
US2685115A (en) * 1949-06-25 1954-08-03 Crane Co Apparatus for the production of pipe
US3346918A (en) * 1964-12-07 1967-10-17 Rhone Poulenc Sa Extrusion die
US5318432A (en) * 1991-08-29 1994-06-07 The Furukawa Electric Co., Ltd. Apparatus for forming porous preform used to fabricate optical fiber
US5499869A (en) * 1993-10-11 1996-03-19 Werner & Pfleiderer Gmbh Device for adjusting the pressure of the plastic material in a screw extruder
US20040105926A1 (en) * 2001-10-22 2004-06-03 Townsend Engineering Compamy Method and means for curving sausage links
US20100289173A1 (en) * 2009-05-14 2010-11-18 The Goodyear Tire & Rubber Company method and assembly for extruding a rubber compound

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613618A (en) * 1948-05-25 1952-10-14 Sharp Albert Cutting mechanism and extrusion nozzle for continuously moving plastic bars
US2685115A (en) * 1949-06-25 1954-08-03 Crane Co Apparatus for the production of pipe
US2549686A (en) * 1949-09-16 1951-04-17 Crane Co Apparatus for the extrusion of pipe
US2598913A (en) * 1949-10-17 1952-06-03 Crane Co Extrusion apparatus
US3346918A (en) * 1964-12-07 1967-10-17 Rhone Poulenc Sa Extrusion die
US5318432A (en) * 1991-08-29 1994-06-07 The Furukawa Electric Co., Ltd. Apparatus for forming porous preform used to fabricate optical fiber
US5499869A (en) * 1993-10-11 1996-03-19 Werner & Pfleiderer Gmbh Device for adjusting the pressure of the plastic material in a screw extruder
US20040105926A1 (en) * 2001-10-22 2004-06-03 Townsend Engineering Compamy Method and means for curving sausage links
US7661949B2 (en) * 2001-10-22 2010-02-16 Stork Townsend Inc. Means for curving sausage links
US20100289173A1 (en) * 2009-05-14 2010-11-18 The Goodyear Tire & Rubber Company method and assembly for extruding a rubber compound
US8002535B2 (en) * 2009-05-14 2011-08-23 The Goodyear Tire & Rubber Co. Method and assembly for extruding a rubber compound
US8211343B2 (en) 2009-05-14 2012-07-03 The Goodyear Tire & Rubber Company Method and assembly for extruding a rubber compound

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