US2321879A - Gaseous diffuser - Google Patents

Gaseous diffuser Download PDF

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Publication number
US2321879A
US2321879A US439431A US43943142A US2321879A US 2321879 A US2321879 A US 2321879A US 439431 A US439431 A US 439431A US 43943142 A US43943142 A US 43943142A US 2321879 A US2321879 A US 2321879A
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Prior art keywords
steam
pipe
chamber
steam injector
nozzle
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Expired - Lifetime
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US439431A
Inventor
Valdez Rafael
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B20/00—Purification of sugar juices
    • C13B20/005—Purification of sugar juices using chemicals not provided for in groups C13B20/02 - C13B20/14
    • C13B20/007—Saturation with gases or fumes, e.g. carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B01F23/12—Mixing gases with gases with vaporisation of a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B01F25/31423—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction with a plurality of perforations in the circumferential direction only and covering the whole circumference
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle

Definitions

  • the present invention relates to new and useful improvements in device for diffusing gases in liquids, and more particularly to the construction of a steam injector, which serves to diffuse the gases into the liquid in question.
  • the invention is designed primarily for use in treating sugar cane juices with sulphur dioxide in a continuous operation.
  • An important object of the invention is to provide a steam injector accessible for easily repairing the same, and suitable for lining with acid resisting metals.
  • Another object is to provide recirculation means for part of the treated liquid.
  • a further object of the present invention is to provide a steam injector of a simple and practical construction which is efficient and reliable in performance, relatively inexpensive to manufacture, and otherwise well adapted for the purposes for which the same is intended.
  • Figure 1 is a side elevational view of the reaction chamber and steam injector forming the subject matter of the present invention.
  • Figure 2 is a top plan view thereof.
  • Figure 3 is a side elevational View of the steam injector and recirculation manifold.
  • Figure 4 is a longitudinal sectional view therethrough
  • Figure 5 is a transverse sectional view taken substantially on a line 55 of Figure 3.
  • the numeral 5 designates the reaction chamber, through which the cane juice flows continuously, entering at the bottom of the chamber having an inlet connection 6, and leaving at the top of the chamber, having an outlet connection I.
  • a pipe connection 8 is formed at one side of the chamber 5, to which a steam injector 9 is connected, the steam injector being shown in detail in Figures 3 to 5 inclusive.
  • the steam injector is constructed of longitudinally split cylindrical sections, detachably connected along the split edges, and is provided with an attaching flange I0 at one end secured to the pipe connection 8, and an attaching flange II at its opposite end, to the latter of which is secured an end plate I2 by means of bolts I3.
  • a tapering nozzle I I is formed on the inner wall of the plate I2, and projects into the bore I5 of the steam injector.
  • the bore I5 is constricted, as shown at I6, at a point immediately beyond the discharge end of the nozzle I4, and from the constricted portion I6 the bore is flared as shown at IT, in a direction toward the chamber 5.
  • the two cylindrical spilt sections of the steam injector may be provided with an acid resisting lining 9, according to the reactivity of the gases to be handled.
  • the nozzle I4 may also be lined with similar material.
  • the nozzle is internally threaded for threaded engagement with the steam pipe I8.
  • a lateral port I9 is provided in the steam injector, slightly behind the discharge end of the nozzle I4, with a flange 20 for attaching to a feed pipe 2
  • This mixture of steam and sulphur dioxide is incorporated with the cane sugar juice flowing continuously through the reaction chamber.
  • a recirculation system is provided for a part of the treated liquid and comprises a shell 22 interposed between the port I9 and feed pipe 2
  • a pipe 24 is formed in the shell providing a direct connection between the feed pipe 2I and port I9 for the sulphur dioxide gas entering the steam injector 9 and the walls of the pipe 24 are provided with opening 25 and spaced from the walls of the shell 22 to form a chamber 25 in the shell so that the treated liquid entering the shell from the reaction chamber 5 will enter the pipe 24 at several points to be thoroughly mixed with the gas before reaching the steam injector.
  • a mixing apparatus of the class described comprising a reaction chamber in a liquid feed line, a tubular body having one end connected to the chamber, a nozzle projecting into the other end of the body adapted to feed steam under pressure thereto, a lateral feed port in one side of the body behind the inner end of the nozzle, the suction force of steam entering the body being adapted to draw fluid into the body through the lateral port for mixing with the steam, a fluid feed pipe connected to the lateral port, a chamber surrounding the last-named pipe, said last named pipe having perforations communicating with the last-named chamber, and a recirculation pipe connecting the first and second chambers.
  • a mixing apparatus of the class described comprising a reaction chamber in a liquid feed line, a tubular body having one end connected to the chamber, a nozzle projecting into the other end of the body adapted to feed steam under pressure thereto, a lateral feed port in one side of the body behind the inner end of the nozzle, the suction force of steam entering the body being adapted to draw fluid into the body through the lateral port for mixing with the steam, a fluid feed pipe, a connector between the lateral port and the fluid feed pipe and including a central passage in the connector and an annular passage surrounding the central passage and communicating at spaced circumferential points with the central passage, and a recirculation pipe leading from the reaction chamber to the annular passage of the connector.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Description

June 15, 1943. R. VALDEZ 2,321,879
- GASEOUS DIFFUSER Filed April 17,; 1942 2 Sheets-Sheet l Inventor I WW EM June 15, 1943. VALDEZ GASEOUS DIFFUSER Filed April 17, 1942 Z Sheets-Sheet 2 Inventor 7531mm 149L052 Patented June 15, 1943 PATENT orrlcs GASEOUS DIFFUSER Rafael Valdez, New York, 'N'. Y. Y Application April 17, 1942 Serial No. 439,431
2 Claims.
The present invention relates to new and useful improvements in device for diffusing gases in liquids, and more particularly to the construction of a steam injector, which serves to diffuse the gases into the liquid in question. The invention is designed primarily for use in treating sugar cane juices with sulphur dioxide in a continuous operation.
An important object of the invention is to provide a steam injector accessible for easily repairing the same, and suitable for lining with acid resisting metals. I
Another object is to provide recirculation means for part of the treated liquid.
A further object of the present invention is to provide a steam injector of a simple and practical construction which is efficient and reliable in performance, relatively inexpensive to manufacture, and otherwise well adapted for the purposes for which the same is intended.
Other objects and advantages reside in the details of construction, as more fully herein described and claimed, reference being had to the accompanying drawings forming part hereof, wherein like numerals refer to like parts throughout, and in which:
Figure 1 is a side elevational view of the reaction chamber and steam injector forming the subject matter of the present invention.
Figure 2 is a top plan view thereof.
Figure 3 is a side elevational View of the steam injector and recirculation manifold.
Figure 4 is a longitudinal sectional view therethrough, and
Figure 5 is a transverse sectional view taken substantially on a line 55 of Figure 3.
Referring now to the drawings in detail, wherein for the purpose of illustration I have disclosed a preferred embodiment of the invention, in reference to Figure 1, the numeral 5 designates the reaction chamber, through which the cane juice flows continuously, entering at the bottom of the chamber having an inlet connection 6, and leaving at the top of the chamber, having an outlet connection I.
A pipe connection 8 is formed at one side of the chamber 5, to which a steam injector 9 is connected, the steam injector being shown in detail in Figures 3 to 5 inclusive.
The steam injector is constructed of longitudinally split cylindrical sections, detachably connected along the split edges, and is provided with an attaching flange I0 at one end secured to the pipe connection 8, and an attaching flange II at its opposite end, to the latter of which is secured an end plate I2 by means of bolts I3. A tapering nozzle I I is formed on the inner wall of the plate I2, and projects into the bore I5 of the steam injector. As shown to advantage in Figure 4 of the drawings, the bore I5 is constricted, as shown at I6, at a point immediately beyond the discharge end of the nozzle I4, and from the constricted portion I6 the bore is flared as shown at IT, in a direction toward the chamber 5. The two cylindrical spilt sections of the steam injector may be provided with an acid resisting lining 9, according to the reactivity of the gases to be handled. The nozzle I4 may also be lined with similar material.
At the junction of the nozzle I4 with the plate I2, the nozzle is internally threaded for threaded engagement with the steam pipe I8.
A lateral port I9 is provided in the steam injector, slightly behind the discharge end of the nozzle I4, with a flange 20 for attaching to a feed pipe 2| by means of which sulphur dioxide gas is suctioned into the steam injector, and forced into the reaction chamber in a stream-mixture of sulphur dioxide and steam. This mixture of steam and sulphur dioxide is incorporated with the cane sugar juice flowing continuously through the reaction chamber.
A recirculation system is provided for a part of the treated liquid and comprises a shell 22 interposed between the port I9 and feed pipe 2|, the shell having a pipe 23 leading thereto from the chamber 5 at a point above the connection 8. A pipe 24 is formed in the shell providing a direct connection between the feed pipe 2I and port I9 for the sulphur dioxide gas entering the steam injector 9 and the walls of the pipe 24 are provided with opening 25 and spaced from the walls of the shell 22 to form a chamber 25 in the shell so that the treated liquid entering the shell from the reaction chamber 5 will enter the pipe 24 at several points to be thoroughly mixed with the gas before reaching the steam injector.
While I have described the operation and construction of this apparatus as applied in the treatment of sugar cane juices with sulphur dioxide gas, it will be apparent that the invention may be used wherever desired for saturating liquids with gases.
It is believed the details of construction, advantages and manner of use of the invention will be readily understood from the foregoing without further detailed explanation.
Having thus described the invention what I claim is:
l. A mixing apparatus of the class described comprising a reaction chamber in a liquid feed line, a tubular body having one end connected to the chamber, a nozzle projecting into the other end of the body adapted to feed steam under pressure thereto, a lateral feed port in one side of the body behind the inner end of the nozzle, the suction force of steam entering the body being adapted to draw fluid into the body through the lateral port for mixing with the steam, a fluid feed pipe connected to the lateral port, a chamber surrounding the last-named pipe, said last named pipe having perforations communicating with the last-named chamber, and a recirculation pipe connecting the first and second chambers.
2. A mixing apparatus of the class described comprising a reaction chamber in a liquid feed line, a tubular body having one end connected to the chamber, a nozzle projecting into the other end of the body adapted to feed steam under pressure thereto, a lateral feed port in one side of the body behind the inner end of the nozzle, the suction force of steam entering the body being adapted to draw fluid into the body through the lateral port for mixing with the steam, a fluid feed pipe, a connector between the lateral port and the fluid feed pipe and including a central passage in the connector and an annular passage surrounding the central passage and communicating at spaced circumferential points with the central passage, and a recirculation pipe leading from the reaction chamber to the annular passage of the connector.
RAFAEL VALDEZ.
US439431A 1942-04-17 1942-04-17 Gaseous diffuser Expired - Lifetime US2321879A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514529A (en) * 1946-07-16 1950-07-11 Phillips Petroleum Co Fluid cooling apparatus
US2515690A (en) * 1948-11-02 1950-07-18 Dominador A Bernaldes Sugar sulfitation apparatus
US2563002A (en) * 1948-10-06 1951-08-07 Standard Oil Co Mixing device
US2927561A (en) * 1951-05-28 1960-03-08 William H Eggers Automobile moisture and braking apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514529A (en) * 1946-07-16 1950-07-11 Phillips Petroleum Co Fluid cooling apparatus
US2563002A (en) * 1948-10-06 1951-08-07 Standard Oil Co Mixing device
US2515690A (en) * 1948-11-02 1950-07-18 Dominador A Bernaldes Sugar sulfitation apparatus
US2927561A (en) * 1951-05-28 1960-03-08 William H Eggers Automobile moisture and braking apparatus

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