US1629167A - Means for drying textile materials - Google Patents

Description

May 17 192 7. 1,629,157

'H. KRANTZ' v MEANS FORDRYING TEXTILE MATERIALS Filed March 24. 1922 2 Sheets-Shat 1 J ZTZWP/VE y' May 17, 1927.

H. KRANTZ MEANS FOR DRYING TEXf IILE MATERIALS Filed March 24. 1922 i 2 Sheets-Shei 2 Patented May 1 7, 1927.

UNITED. STATES f T2,. OE AAGHEN, GERMANY.

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Applicatii'm med March 24, 1922, Serial no.

' This invention relates to a method and an apparatus for drying materials, espe- ,cially textile materials. 5

' superimposed bobbins." A

: the outside or vice .versa. The flowin stean igj expels part ofithe watermechamcalyffrom} a dryer At the present date textile materials aremostly dried with, warm air, after part of the water has been removed therefrom mechanically by squeezing, suction" (aspirin tion), or centrifuging. The drying is car- ;ried on in machines, e. g-.-tenting-dryers, and

rack machines. These machines re ofvery large dimensions, re uire a large space,have high runnin (relia le workmen), consume much steam or heating the dryin air,'andalarge amount of power for circu ating the drying air; are slow in operation, and'utilize the heat contained in the dry air in an uneconomical, unfavorable manner. It-has al-v ready been proposed to dry textile materials directly with steam. Now, the present invention has for its object to provide a process and apparatus for drying textile materials, bywhich the aforementioned disadvantages are'obvia'ted and which process may be applied for dry ing loose v fibrous materials, yarns and fabrics.

In the drawings: v 4 Fig. 1 is a vertical sectional view through constructed in accordance with this invention. i Fig. 2 is a similar view illustrating a modification in which a ing disk is employed, p

' Fig.3 is a similar view illustrating the manner of handling loose material, and

Figure 4 is a sectional view illustrating a modification similar to that. seen in Fig. 2

but adapted'for the drying of a plurality 0 .According to the invention, the wa ter can tained in. the textile materiaPis; partly Lex- 'pelled mechanically. by means-bf steam" .passed through the S3J1le,"th BI.16Si'/, of-the I water being removed'by means of heat and air, which air is blown or sucked throu h. the material 'to' be. dried". The rest ofct water canalso be removedbysubjectingfthej materialto a. vacuum. r

In dry 'g materials" steam is v first sent":

-I ex enditure of h emethod escrihedmay be'earriedout by the aid'of various-devices, some preferred embodiments of which are diagrammatically through the same from the inside towards 1 the material. .When the flow-oi'thejsteami is I'arrested after the -mechanical\JeXPuISiOn of the water, the material'is".- nearl y .but even in such event thedegree pi at squeezing or pack-- 10f the d $46,426, and in Germany January 15, 1917.

tained is greater than that obtained by squeezlng, suction. or vcentrifuging. The

a water remaining in the material can now be expelled ina favorable manner and with high rapidityby utilizing the heat accumu- .lated in the material from the steam treatment and in the waterremaining therein, by

subjecting the material to a vacuum or by blowing. or aspirating' air or heated air through the material.

- -The advantages connected with the inven-- tion are economy in installation running cost, space, steam power, and time. The energy 1n the steam ls'utilized directly for driving out the water from the drip ing wet f material. This expulsion is qulc er and would. otherwise e required. Thesteam which has been. used for removing the water occupies the channels between the fibres of" the material which were previously filled with water, and opens them. By this means the material .to be dried, becomes extremely perviousto air. This permeability to air I i is so considerable that itis'poss'ible for ex-v ample to blowdarge. amounts of air throu' h tightly wound quick-traverse bobbins means of a weak low-pressure blower, ;i.' e. without any appreciable expenditure of} y ng its heat is for the water'removed and heated by order to preventany steamgescaping unused it is advisable to use only-'so much steam as is required'to bring thematerial j into a condition specially suitable for the-jg subsequent final. drying by'f heated air, that g water, heat the material to the 'tem erature, f air and 'make 'itsu ciently, pervious'to anthat. 'l:'1rge quantities of 8.11:1"; ."can ibe blown? through: the direction "of; its 1 is to say to removea siiflicient amount of largest 1 diameter without anyv gconsiderabl'e Wei'. a

.o'tthejaccompa'nying drawn! ill'ustrated, by way of erample, iniEi 'gs-.

The heat of the expelling steam eats the material to th'e temperature'of the" 3 air; The steam remainingin the materialv is condensed by the d in'gair, and ldrymg. The; I

the steam" can:

be used again in the method.j-

I method for drying a quick-traverse bobbin 4 or any other 'coil' of fibre. The apparatus I comprise'sa closable vessel 5 in the bottom of which is mounted a perforated spindle 6 .in communication with the outer upon which is slipped the quick-traverse bobbin 4, wound upon a perforated shell 7 The interior of the perforated spindle 6 is phere. Connected tothe upper end of the vessel 5 is a T-shaped pipe 8, the branches of which have mounted therein controllable valves 9 and 10. The vessel 5 is connected by the valve 9 to a steam pipe (not shown) and by the valve 10 to an air pump. In ,the'position according to .Fig. l, the Valve 9 is open, while the valve 10 is closed. Therefore steam will flow through the quick-travpel therefrom part of the water contained in the same. After this has been done, the position of the valves 9 and. 10 is reversed and the aforementioned air-pump operated,

so that air is drawn through the open end of the spindle 6 from inside the quick-traverse bobbin towards the outside. By utiliz-' ing thus the heat accumulated in the quicktraverse bobbin 4 from the steam treatment,

' the final traces of water are removed from thebobbin. Instead of connecting the valve 10 to an' air pump, it may also be connected with a low-pressure blower by .means of V fect of these packing discs is to cause the" like a wet sponge held in which heated air is passed through'the quicktraverse bobbin from the outside towardsthe'inside after the steam treatment In the devices according toFigs. 2 and 3,

which are similar to that shown inFig. 1, packing discs 11 are used for the purpose of intensi ying theexpulsion of the water by means of steam, especially in quick-traverse bobbins, laps and loose material. The efmaterial to be compressed on all sides b the expulsion steam, and thereby squeeze out the hand and gripped on all "sides. p

- Fig. 2 shows a device in which a quick traverse bobbin 4 can be advantageously dried with the use'of packin discs. The interior of the closable cham r, 5' can be placed in communication with a-steam pipe by the valve 9,-or in communication .with a pressure air pipe'b the valve "10. The interior of said cham er 5- is connected to the outer atmosphere through the opening 6' provided at the bottom of the chamber. The quick-traverse bobbin 4 to be dried is soplacedon the bottom of the chamber 5 atmoshowthese bobbins me. be placed side by side within the chamber, ut' also how they may shell 7 can be inserted into the opening 6".

. position shown, steam passes from the outside towards the inside through the quicktraverse bobbins and .into the air. The mechanical expulsion of "the water by the inflowing steam is accompanied by av squeezmg of the coiled yarn. In the reversed position ofthe valves cold or warm air is forced from the outside towards theinside throughthe quick-traverse bobbin, and

thereby theheat accumulated therein is utilized. Instead of pressure air, suction air may be used. Fig. shows the same devlce n an application for drying loose material. Fastened 35 r to the bottom of the closed chamber 5, are a perforated spindle 7 the interior of which is in communication with the outer air, and a perforated cylinder 7'. Theloose material 4 to be driedis packed into the space be-. tween the spindle 7 and the cylinder walls 7', and the packing disc 11 is placed thereon. \Vith the valves in the position shown, steam enters from the outside towards the inside through the loose material and the 9 same procedure is efiected as has been de scribed with reference to thequick-traverse bobbins'of Fig. 2. 1 V

.In order that the vessels 5 may be open able so that the material to be dried may be readily insertedand removed, the drawings illustrate the bottom walls 12 of the vessels to be held to the side walls by bolts or other quick-traverse -bobbins,'the same being inall respects similar to that shown and described with reference to Fig. 2 except that in the present figure .the device is adaptedfor the drying of a large number of the quickrtraverse bobbins, said figure illustrating not only be superimposed one upon the-other. within.--"

the chamber. In superimposing the bobbins suitable spacing discs 14 are employed interposed betweenthe bobbins and each having central openings 15, into which the protrud g .ing ends of the central shells, 7 extend, the thlckness of said discs being suflicient so that the protruding shell ends'ofthe bobbins will be held spaced apart. In this arrangement the drying steam will pass'from the. outside toward the inside through all of the superimposed "bobbins" simultaneously and into. the continuous tubu lar opening provided by the aligned shells that the-protruding end of the perforated 7 and the openings ofdiscs 14, thence to openings the top of the pile,

the outer atmosphere through the openings 6' at the bottom of the chamber. By reversing the position of the valves. the air from the outer atmosphere will be drawn or forced upwardly through the aligned shells 7 and 15 and will pass simultaneously outwardly throughall of the bobbins.-

The weight of the superimposed bobbins, as well as of the discs 14, and of the packing of cover discs 11,, which are placed upon will operate to mechanically squeeze or compress the bobbins, in the, drying operation. The chamber or vessel may of course be made of proportions suitable for accommodating any desired number of superimposed bobbins.

Having thus described my invention, I claim is 1. An apparatus for drying textile and the like materials, comprising a closable vessel for receiving the material to be dried, said vessel having at one end an opening communicating with the outer atmosphcreand being provided atits other end with a controllable valve for connecting the vessel to what I a source of steam and with another control-'- lable valve for connecting the vessel to a de-' vice for passing air through the vessel and the material contained therein, said material having a perforated tubular member extending through .munic'ation wlth the opening communicating the vessel. with the outer aftmosphere, and a packing disc placed on the material which disc is provided with a recess for the reception of the end of said perforated tubular member.

2. An apparatus rials comprising a closable vessel having an the same and being in com-' for drying textile mate-v openingin its botoin wall, controllable the interior of means operable for placin communication the vessel into and out 0 at will with a suitable drying medium, material to be dried being carried upon perforated shells, each shell being adapted to carry a body of said material and to be arthe ranged within the vessel one body above the v other, spacing discs" arranged between the superimposed bodies each having an openingtherethrough, the several perforated shells being arranged in axial alignment and protruding from the bodies into the openings of the discs, and the interior of said shells being in communication with each other and with the opening through vessel, all for use in An apparatus the manner set forth. for drying textile and like materials, comprising a closable'vessel having an opening through the'bottom wall thereof, a perforated'tubular member. within the vessel open at its opposite ends and having itslower end communicating with the opening'in the bottom wall of the vessel, the material to'be dried being adapted to be arranged in position surrounding said tubular member, a packing disk arranged to clo'e the upper 'end of said tubular member and adapted to rest upon the material to be dried, and controllable means operable for directing a blast of suitable drying medium through ,the vessel and into the interior of said tubular member for discharge downwardly therefrom into the atmosphere;

In testimony whereof I have signed my the bottom wall of the through the material.

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