US1877337A - Apparatus for preparing highly uniform solutions for the manufacture of artificial products - Google Patents

Apparatus for preparing highly uniform solutions for the manufacture of artificial products Download PDF

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Publication number
US1877337A
US1877337A US438870A US43887030A US1877337A US 1877337 A US1877337 A US 1877337A US 438870 A US438870 A US 438870A US 43887030 A US43887030 A US 43887030A US 1877337 A US1877337 A US 1877337A
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US
United States
Prior art keywords
vessel
spinning
manufacture
highly uniform
solutions
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
US438870A
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English (en)
Inventor
Kampf Adolf
Hager Arnulf
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.)
IG Farbenindustrie AG
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IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
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Publication of US1877337A publication Critical patent/US1877337A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath

Definitions

  • Our present invention relates to a process of preparing spinning solutions asfused in themanufacture of artificial threads, fi-
  • Anotherobject of ourinvention is a device for carrying out the saidprocess.
  • Thefiltered spinning solution is not r a tedashithe e J f llalkin bafhes each of which is ,charged into difierent collecting v ss ls:fromwh chtmsqlu ic is d aw req ire 1 deae ati aii further treatamen-b.1 12 (it is sq t n q n du into a icmmqn lhemc eni i or equ i selfrem whichattheiop s e i With- F w 117wn ,,.azcanthnaau yan I 1 L un a manner as poss1ble,;to the spinning device.
  • a tm chanical ag t n dur g its passage through the vesseL i "For t purpose in ic ted. under )v the es l. 5 s is itab x dimensioned, fiQrIB P i g y; with t @q anti ypf P i i ql whichfis to pass through it.
  • oiSinCetheSPinning.YSQ tiQI is e Stirred in the vesseland withdrawn fromthe outlet to; h spinaing machi by'l an f. ap p it ay h ppen that lrzm yi e d awn r a the stuffing boxes andthe'bearingsof the drivi g zandtubular shaft and absorbedby, the
  • the vessel is prov ded-With.
  • the reduced pressure is approximately compensated by the hydrostatic pressure of the'column'of liquidin the tube.
  • the pressure due to the head of the spinning solution must correspond with the pressure of about 600 mm. of mercury for viscose
  • the vessel shall further serve for mechanically agitating the spinning solution.
  • the lower part of the vessel is provided with a longitudinal shaft carrying-mixingarms', so that the spinning liquid flowing through the lower part of the vessel is continuously; mixed by stirring.
  • the said lower part is In working-up anunripened viscose, it is desirable to use a homogenizing vessel which is not excessively large, in' order that theviscose may not remaln for too long a per od 1n the vessel and ripen in an undesired degree.
  • the buffer vessel may be of a correspondingly larger size.
  • the spinning li'quid is received, as above stated, by a pump for- 1 mixing of the spinning liquid.
  • Anessential feature of the invention conand f sists in. the continuous'remo'val of The annexed drawing illustrates diagrammatically byway of'example a device suitable for executing the invention.
  • the spinning solution prepared in the, dis- Levies? solving vessels 1 flows under its own weight through the common pipe 2 to the eccentric pump 3 by which the crude spinning solution is forwarded through the common connecting pipe '5'to the filter presses 6.
  • a return-flow pipet is providedby which anyliquid deliverel by the e'ccentric pump 3 in excess of the quantity capable of passing through the filter presses, is returned to the sucking side of the pump.
  • he filtrates from the several presses are combined in the common pipe 7 and-flow through a rotary swivel-tube 9 driven at 10, whichdelivers the solution to the upper conical portion of the surface of an exhausted equalizing vessel 8.
  • the solution flows in the form of a thin layer downwardly on the inner wall of the funnel, is removed therefrom by.
  • the spinning solution is slowly but continuously mixed by means of a stirring de vice 15 in an extension 1 1' of the portion 13, slightly inclined to the horizontal. From the lowest point of theextension 14:, the spinning solution passes the feeding eccentric pump;
  • V v It is recommendable to provide all the parts 11, 13 and 14 of the buffer Vessel 8 and,if
  • spinningsolutions may also be deaerated, for instance, by admixing volatile solvents and by evaporating the same.
  • rotary;.-.swivel tube adapted to distribute the spinning solution in the form of a thin layer on the funnelshaped head part, means to evacuate the said vessel, a cylindrical collecting part, a tubular 5 extension piece of substantial height, a slightly inclined almost horizontally mounted receptacle and in the latter a mixing device.
  • a homogenizing and deaerating means comprising a vessel with a funnel-shaped head part, a circularly rotary swivel-tube adapted to distribute the spinning solution in the form of a thin layer on the funnel-shaped head part, means to evacuate the said vessel, a cylindrical collecting part, a tubular exten- V sion piece of a height balancing when filled with spinning solution by the hydrostatic 29 pressure of the latter the action of the vacuum on the parts mounted on its lower end, a slightly inclined almost horizontally mounted receptacle and in the latter a mixing dee vlce.
  • a machine for producing highly uniform solutions for the manufacture of artificial products consisting of a cellulose derivative comprising a plurality of dissolving vessels, a pump provided with a return flux,
  • a homogenizing and deaerating means comprising a vesfisel provided with a funnel-shaped head part, a circularly rotary swivel-tube adapted to distribute the spinning solution in the form of a thin layer on the funnel-shaped head part, means to evacute the said vessel, a cylindrical collecting part, a tubular extension piece of a height balancing when filled with spinning solution by the hydrostatic pressure of the latter the actionof the vacuum on the parts mounted on its lower end, a slightly inclined almost horizontally mounted receptacle and in the latter a mixing device, and a second pump provided with a return flow and adapted to forward the solution under constant pressure to the spinning machine.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
US438870A 1929-03-27 1930-03-25 Apparatus for preparing highly uniform solutions for the manufacture of artificial products Expired - Lifetime US1877337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE347428T 1929-03-27

Publications (1)

Publication Number Publication Date
US1877337A true US1877337A (en) 1932-09-13

Family

ID=31895200

Family Applications (1)

Application Number Title Priority Date Filing Date
US438870A Expired - Lifetime US1877337A (en) 1929-03-27 1930-03-25 Apparatus for preparing highly uniform solutions for the manufacture of artificial products

Country Status (4)

Country Link
US (1) US1877337A (da)
FR (1) FR697997A (da)
GB (1) GB347428A (da)
NL (1) NL30471C (da)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439619A (en) * 1944-03-01 1948-04-13 American Viscose Corp Apparatus for handling viscose solutions
US2570171A (en) * 1946-01-23 1951-10-02 Kohorn Henry Von Deaeration apparatus
US2620283A (en) * 1947-09-23 1952-12-02 Celanese Corp Process for the production of fibrous filter media
US2845416A (en) * 1952-09-06 1958-07-29 American Enka Corp Method of aging a viscose solution
US4966463A (en) * 1988-05-17 1990-10-30 Nisset Plan, Inc. Mixer unit for cellular concrete paste and method of making such paste
US20230069369A1 (en) * 2021-08-31 2023-03-02 Apani Systems Inc. Textile recycling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464699A (da) * 1939-04-12

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439619A (en) * 1944-03-01 1948-04-13 American Viscose Corp Apparatus for handling viscose solutions
US2570171A (en) * 1946-01-23 1951-10-02 Kohorn Henry Von Deaeration apparatus
US2620283A (en) * 1947-09-23 1952-12-02 Celanese Corp Process for the production of fibrous filter media
US2845416A (en) * 1952-09-06 1958-07-29 American Enka Corp Method of aging a viscose solution
US4966463A (en) * 1988-05-17 1990-10-30 Nisset Plan, Inc. Mixer unit for cellular concrete paste and method of making such paste
US20230069369A1 (en) * 2021-08-31 2023-03-02 Apani Systems Inc. Textile recycling
US11713528B2 (en) * 2021-08-31 2023-08-01 Apani Systems Inc. Textile recycling

Also Published As

Publication number Publication date
GB347428A (da) 1931-04-30
NL30471C (da)
FR697997A (fr) 1931-01-26

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