US2102106A - Apparatus for discharging condensate from drying drums - Google Patents

Apparatus for discharging condensate from drying drums Download PDF

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Publication number
US2102106A
US2102106A US106813A US10681336A US2102106A US 2102106 A US2102106 A US 2102106A US 106813 A US106813 A US 106813A US 10681336 A US10681336 A US 10681336A US 2102106 A US2102106 A US 2102106A
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pipe
steam
drying drums
drum
valve
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US106813A
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William S Allen
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
    • F26B13/183—Arrangements for heating, cooling, condensate removal

Definitions

  • My invention relates to an apparatus such as described in, the title and particularly to the adapdrum. and as it must be discharged through the journal, which is several feet higher than the low point within the several pounds of pressure are required to elevate the water to that extent. Where low temperature, drying is carried out, the steam'pressure'is frequently less than one pound and is insuflicient to displace the water.
  • thermostatically controlled steam valve is near the lowest point in the cylinder, its outer end terminating. in acondensate vwell IS.
  • the discharge from the well is through the check'valve l6 and pipe I! to the sewer or elsewhere.
  • the controlling bulb for which is mounted in the condensate well the temperature of the discharged water being, in this case, usedas the regulation medium.
  • Air under pressure is supplied through a pipe l9, reducing valve 20, pipe 2! and check valve I 22 to the steam supply pipe I 2, the reducing valve being set to supply a constant pressure of two pounds or more, depending onthe, pressurenecessary to evacua'te the drum.
  • the supply of air does not interfere in any 'way with the mainthermostat, but there is maintained in the drum a predetermined pressure according to the setting of the reducing valve, this being accomplished withoutthe addition of any heat units" to the Of course, the air may be delivered to the drum in some other manner than that shown in the drawing, the illustrated manner being preferred because of its simplicity.
  • Apparatus for -disposing of condensate in drying drums comprising the combination with the drum, of asteam supply pipe, a thermostatically controlled valve in said pipefa pipe for delivering air under pressure to said drum, a condensate discharge pipe, and a reducing valve in said air pipe for maintaining a constant predeter- -mined pressure in said drum sumcient to .discharge the condensate therein through said dis- -charge pipe.
  • a slasher cylinder - a pipe for delivering steam thereto; a thermostatically controlled 3 valve in said pipe, a pipe connected 'tenance of the required temperature by the to said steam pipe between the steamyalve and'the cylinder, said pipe delivering air under pressure to the steam pipe, acondensate discharge pipe and a reducing valve in said air pipe for maintaining a constant predetermined pressure of air delivered.

Description

w. s. ALLEN Dec. 14,1937.
APPARATUS FOR DISCHARGING CONDENSATE FROM DRYING DRUMS Filed Oct. 21, 1936 C ONDE N51? TE WELL Patented Dec. '14, 1937 "UNI-TED STATES APPARATUS FOR 2,102,106 I DISCHARGING compan- PATENT OFFICE- SATE FROM DRYING DRUMS William s. Allen, Warwick, a. r.
Application October 21, 1936, Serial No. 106,813 z Cl'aims. '(oi; 34-4) My invention relates to an apparatus such as described in, the title and particularly to the adapdrum. and as it must be discharged through the journal, which is several feet higher than the low point within the several pounds of pressure are required to elevate the water to that extent. Where low temperature, drying is carried out, the steam'pressure'is frequently less than one pound and is insuflicient to displace the water.
By my method and apparatus, I maintain a constant air pressure within the drum whereby there is maintained at all times a pressure at least equal to that necessary to discharge the condensed steam. The result is accomplished by merely connecting an air pipe through a suitable reduc ing valve to the steam line between the thermostatically controlled steam valve, and the singleiigure of the drawing.
Inhedrawing'a conventional installation is .able for the decribed purpose is shown in\the shown, a slasher cylinder I01 being indicated. steam being supplied thereto from' the main i i I through the pipe l2, extendingthrough the journalof the cylinder. A second pipe I3 is entered through the journal in the usual manner,
itsinner end l4 being 'downturned to terminate A thermostatically controlled steam valve is near the lowest point in the cylinder, its outer end terminating. in acondensate vwell IS. The discharge from the well is through the check'valve l6 and pipe I! to the sewer or elsewhere.
indicated at iii, the controlling bulb for which is mounted in the condensate well, the temperature of the discharged water being, in this case, usedas the regulation medium.
Since the water to be drum. A diagrammatic illustration of. apparatus suit- .1
Air under pressure is supplied through a pipe l9, reducing valve 20, pipe 2! and check valve I 22 to the steam supply pipe I 2, the reducing valve being set to supply a constant pressure of two pounds or more, depending onthe, pressurenecessary to evacua'te the drum. The supply of air does not interfere in any 'way with the mainthermostat, but there is maintained in the drum a predetermined pressure according to the setting of the reducing valve, this being accomplished withoutthe addition of any heat units" to the Of course, the air may be delivered to the drum in some other manner than that shown in the drawing, the illustrated manner being preferred because of its simplicity.
' Throughout the specification I have made reference to the use of the described improve:
ment in drying drumso'r cylinders.- It will be understood, however, that it may be used to advantage in vayous situations not involving the use at a rotating member,'but in which the water of condensation must be raised from a low point to a discharge outlet at a higher point. This should be understood in construing the attached claims. Iclalm:
'1. Apparatus for -disposing of condensate in drying drums comprising the combination with the drum, of asteam supply pipe, a thermostatically controlled valve in said pipefa pipe for delivering air under pressure to said drum, a condensate discharge pipe, and a reducing valve in said air pipe for maintaining a constant predeter- -mined pressure in said drum sumcient to .discharge the condensate therein through said dis- -charge pipe.
2. In combination, a slasher cylinder,- a pipe for delivering steam thereto; a thermostatically controlled 3 valve in said pipe, a pipe connected 'tenance of the required temperature by the to said steam pipe between the steamyalve and'the cylinder, said pipe delivering air under pressure to the steam pipe, acondensate discharge pipe and a reducing valve in said air pipe for maintaining a constant predetermined pressure of air delivered.
US106813A 1936-10-21 1936-10-21 Apparatus for discharging condensate from drying drums Expired - Lifetime US2102106A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983488A (en) * 1957-12-11 1961-05-09 John E Thompson Apparatus for heating by steam
US3016622A (en) * 1957-07-10 1962-01-16 Kimberly Clark Co Control system for paper machine driers
US3156540A (en) * 1959-02-17 1964-11-10 Baert Jean Georges Means for regulating the heat supply during the drying of paper
US3448530A (en) * 1967-03-21 1969-06-10 Aage W Mortensen Method and apparatus for conditioning logs to be cut into veneer
US3869808A (en) * 1974-07-05 1975-03-11 Gorham Int Inc Apparatus for mixing air and steam for delivery to a dryer
US4089121A (en) * 1976-07-12 1978-05-16 Gorham International Inc. Method and apparatus for controlling a wet end drum of a steam heated drum dryer
US4106211A (en) * 1975-06-17 1978-08-15 Escher Wyss Gmbh Apparatus for operating a drying cylinder of a paper making machine
US4194299A (en) * 1978-04-11 1980-03-25 Sca Development Aktiebolag Condensate discharging device
EP0105975A1 (en) * 1982-10-14 1984-04-25 Koninklijke Nederlandse Papierfabrieken N.V. A method for removing condensate from a cylinder, in particular a cylinder for drying paper

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016622A (en) * 1957-07-10 1962-01-16 Kimberly Clark Co Control system for paper machine driers
US2983488A (en) * 1957-12-11 1961-05-09 John E Thompson Apparatus for heating by steam
US3156540A (en) * 1959-02-17 1964-11-10 Baert Jean Georges Means for regulating the heat supply during the drying of paper
US3448530A (en) * 1967-03-21 1969-06-10 Aage W Mortensen Method and apparatus for conditioning logs to be cut into veneer
US3869808A (en) * 1974-07-05 1975-03-11 Gorham Int Inc Apparatus for mixing air and steam for delivery to a dryer
US4106211A (en) * 1975-06-17 1978-08-15 Escher Wyss Gmbh Apparatus for operating a drying cylinder of a paper making machine
US4089121A (en) * 1976-07-12 1978-05-16 Gorham International Inc. Method and apparatus for controlling a wet end drum of a steam heated drum dryer
US4194299A (en) * 1978-04-11 1980-03-25 Sca Development Aktiebolag Condensate discharging device
EP0105975A1 (en) * 1982-10-14 1984-04-25 Koninklijke Nederlandse Papierfabrieken N.V. A method for removing condensate from a cylinder, in particular a cylinder for drying paper

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