US130534A - Improvement in apparatus for cooling lard - Google Patents

Improvement in apparatus for cooling lard Download PDF

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Publication number
US130534A
US130534A US130534DA US130534A US 130534 A US130534 A US 130534A US 130534D A US130534D A US 130534DA US 130534 A US130534 A US 130534A
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Prior art keywords
lard
helix
improvement
cooling
currents
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/06—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using moving unheated wet elements

Definitions

  • the second part of my invention consists in dividing the spiral stirrer or helix into a number of sections or helices, and breaking the uuiformityof the spiral by placing the helices nearer together (or more distant) upon the shaft, so that the currents of the lard from end to end of the containing-trough are broken and eddies or counter-currents formed, by which the lard is more thoroughly mixed and the cooling capacity of the apparatus increased, as is daily demonstrated by two machines running side by side, and of similar dimensions, but one having the continuous and the other the sectional helix.
  • the third part of my invention consists in placing above the apparatus a row of air-jets, by which streams of cold air are ejectedron the dripping lard.
  • Figure l is a perspective view of my cooler.
  • Fig. 2 is a longitudinal section of the same.
  • A is a semi-cylindrical trough, which may be twelve feet long, more or less.
  • B is the outer case or jacket of the water casing or chamber b, through which cold water is passed to cool the bottom of the trough A.
  • U is the watersupply pipe, and D the water-discharge pipe.
  • the pipe C enters at the bottom of the chamber b, and the pipe D communicates with the said chamber at two or all four of the upper corners.
  • E is the shaft of the helices, and is turned by a belt on pulley F, or by other means.
  • the helix consists of a simple metallic ribbon, and this causes very little drip because it carries up but little more lard than will adhere to it at the top of the stroke.
  • the cups or troughs in the rim between the spokes carry up a considerable quantity of lard, which, as the trough is turned up, runs over t-he inner edges and down the faces of the rim,4and by the time that part is coming into its upper position the lard runs down the flanges and drips or runs off their edges in two thin sheets, presenting broad surfaces to the cooling air.
  • the shaft E rotates in the direction shown by the arrow, causing the lard to pass along the bottom of the trough A and return over the helices, (between the spokes,) the courses of the currents being shown by arrows.
  • the uniformity of the currents from end to end is broken by forming the helix in sections.
  • h h1 are the two ends of the lirst helix, and h2 h3 the ends of the second helix, the end h2 of the second helix being to the rear of that h1 of the first, so that as the shaft rotates and the lard is carried forward as it escapes from the point h1 it iiows somewhat backward to ward the end h2, thereby destroying the uniformity of the currents from end to end and causing local eddies or counter-currents, and mingling the warmer and cooler portions thoroughly.
  • K is a blast-pipe, having a number of air-jets, 7c, through which air is forced down into the trough to cool the lard.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

ZSFheets-ShetlI J. R1 NG.
VImprovement in Apparatus for Cooling Lard.
No. 130,534. Patented-Aug.13, 1a72.
INVENTFI,
2Sheets-Sheet2. J. RING.
lmprovement in Apparatus for Cooing Lard.
No. 130,534, Patented Aug;13,'1a72.
ATTEST. n INVENTUM.-
W/Dm f UNITEDA STATES PATENT QFEIOE.
JOHN RING, OF ST. LOUIS, MISSOURI.
IMPROVEMENT IN APPARATUS FOR COOLING LARD.
Specification forming part of Letters Patent No. 130,534, dated August 13, 1872.
verse section, so as to form, with the spokes,
a nulnber of cups or troughs, in which the lard is raised, and as the cups or troughs emerge from the body of the lard the lard contained in them runs out on the surfaces of the helix, and then as that part of the helix is raised to its upper position the lard runs from the inner edges in two thin sheets. The second part of my invention consists in dividing the spiral stirrer or helix into a number of sections or helices, and breaking the uuiformityof the spiral by placing the helices nearer together (or more distant) upon the shaft, so that the currents of the lard from end to end of the containing-trough are broken and eddies or counter-currents formed, by which the lard is more thoroughly mixed and the cooling capacity of the apparatus increased, as is daily demonstrated by two machines running side by side, and of similar dimensions, but one having the continuous and the other the sectional helix. The third part of my invention consists in placing above the apparatus a row of air-jets, by which streams of cold air are ejectedron the dripping lard.
In the drawing, Figure l is a perspective view of my cooler. Fig. 2 is a longitudinal section of the same.
A is a semi-cylindrical trough, which may be twelve feet long, more or less. B is the outer case or jacket of the water casing or chamber b, through which cold water is passed to cool the bottom of the trough A. U is the watersupply pipe, and D the water-discharge pipe. The pipe C enters at the bottom of the chamber b, and the pipe D communicates with the said chamber at two or all four of the upper corners. E is the shaft of the helices, and is turned by a belt on pulley F, or by other means. The helices H are attached to their shaft by spokes G, and are V= formed in transverse section, as shown most clearly in Fig. 2.
In the cooler patented to E. M. Allen, (assignee of G. B. Williams,) reissue No. 3,183,
the helix consists of a simple metallic ribbon, and this causes very little drip because it carries up but little more lard than will adhere to it at the top of the stroke. In my helix the cups or troughs in the rim between the spokes carry up a considerable quantity of lard, which, as the trough is turned up, runs over t-he inner edges and down the faces of the rim,4and by the time that part is coming into its upper position the lard runs down the flanges and drips or runs off their edges in two thin sheets, presenting broad surfaces to the cooling air.
The shaft E rotates in the direction shown by the arrow, causing the lard to pass along the bottom of the trough A and return over the helices, (between the spokes,) the courses of the currents being shown by arrows. The uniformity of the currents from end to end is broken by forming the helix in sections. h h1 are the two ends of the lirst helix, and h2 h3 the ends of the second helix, the end h2 of the second helix being to the rear of that h1 of the first, so that as the shaft rotates and the lard is carried forward as it escapes from the point h1 it iiows somewhat backward to ward the end h2, thereby destroying the uniformity of the currents from end to end and causing local eddies or counter-currents, and mingling the warmer and cooler portions thoroughly. K is a blast-pipe, having a number of air-jets, 7c, through which air is forced down into the trough to cool the lard. In the application of the air-blast to my cooler I have used air cooled by passing it through an ice-box, and the water resulting from the melting-of the ice I have passed through the water-chamber b. M and N are hand-holes for removalof sediment from the water-chamber b. L is a faucet for drawing off the lard.
I claim herein as of my invention- 1. The helix H having a V- formed cross-v n Witnesses:
SAME. KNIGHT, HENRY G. IsAAos.
US130534D Improvement in apparatus for cooling lard Expired - Lifetime US130534A (en)

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