DE2023782A1 - Burner unit for the flame treatment of textile fabrics - Google Patents

Description

Patent attorney

Dipl.-Phys. Rudolf Peerbooms 2023 782

56 Wuppertal-Barmen
Friedrich-Engels-Allee 349/351 Call 556147

P / H 1370/69 / Pee / S

Patent and utility model aid sanmeldunp;

Applicant: Walter Osthoff Wuppertal

Burner unit for the flame treatment of textile fabrics

The invention "relates to a burner unit for Flame treatment of textile fabrics, in particular on a burner unit for singeing machines, with a burner body for the gas mixture and with a combustion chamber which has a scorching flame slot and a slot-shaped one Gas mixture supply opening is connected to the burner body.

Such burner units are used for singeing protruding lasers or the like from textile fabrics, e.g. Tissues, used, these being passed at high speed at the singeing flame outlet slot of the burner unit will. The flame emerging from the flame slot or the hot combustion gases escaping there

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a singeing effect depending on their temperature, why At higher temperatures, the web is guided past the flame slit faster while achieving the same scorching effect can be and so with increasing temperature there is a greater work performance per unit of time · In the known Gassengmaschinen, in which the torch body from There is cast iron and opens into the combustion chamber with a slit-shaped burner mouth, can be used for a certain type of gas mixture and amount of mixture only reach a certain maximum temperature, which is the power capacity the machine is limited.

The invention is based on the object _{9 of} increasing the performance of such burner units by increasing the effective flame temperature, or in other words, of reducing the energy requirement in relation to the surface of the fabric web to be treated. In addition, an extremely even scorching effect is to be ensured over the entire width of the web and the burner unit is to be improved with regard to the structural complexity and its corrosion resistance.

Starting from a burner unit of the type mentioned at the beginning

Art, this is achieved according to the invention in that the gas mixture supply opening for the combustion chamber consists of two straight, parallel, continuous burner slots, the distance between the two burner slots preferably

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such "is dimensioned that there is a common flame cone forms in the combustion chamber. As practical studies have shown, this measure is effective when used With the same type of gas mixture and gas quantity, a significantly higher temperature is reached at the singeing flame slot, which is what it means explains that the now wider but lower flame cone requires a smaller, lower combustion chamber, whereby the heat losses over those forming the combustion chamber Components are reduced considerably · In addition, by feeding the flame cone via two parallel Burner slots achieve an extremely uniform flame cone over the entire length of the combustion chamber, thereby creating a a uniform singe effect is ensured across the entire width of the textile web «

According to a preferred development, which is also inventive Importance is attached, it is provided that the combustion body made of extruded aluminum profile material * In view of the high temperatures reached in the combustion chamber, which theoretically can be around 1950 ° 0, and the low heat resistance of Aluminum material would in itself be subject to increased heat wear of the burner body to be expected · Already with cast iron burner bodies there was an adjustment option intended for the width of the burner slot to avoid changes in the width of the burner slot due to corrosion or aging

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to be able to compensate. Like practical tests, however have shown, can be in the case of extruded aluminum profile material by suitable close arrangement of cooling water channels next to the burner slots keep the temperature of the burner body so low that the burner slots also in continuous operation no melting, burn-off or corrosion occurs, which is very advantageous from a structural point of view As a result, there is no need to provide any adjustment facility for the width of the burner section.

According to a preferred embodiment of the invention, the burner body has a longitudinal gap of a width approximately equal to the distance between the two burner slots, and a mixture distributor bar is arranged in the longitudinal gap, which is designed to form the two burner slots on the combustion chamber side somewhat narrower than the longitudinal gap and which is provided with bores which connect the mixture space with the two burner slots »The mixture distribution strip is also made of extruded aluminum profile material. To hold the mixture distribution bar on the burner body, seat ribs are provided on the longitudinal gap walls of the burner body for the rear end of the mixture distribution bar, and there are also several clamping screws connecting the main walls of the burner body to clamp the mixture distribution bar on the burner body The mixture distribution bar is therefore safe but light exchangeable on the torch body

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solidifies so that they should, for example, narrow or "wider torch slots in a special case of use may be required, can easily be exchanged for another mixture manifold

According to the invention, the novel burner unit can also used for drying flat textile structures through direct exposure to the curtain ■ o

The invention is described below with reference to one in the drawing illustrated embodiment explained in more detail, showing:

ig 1 in Looks up a torch body for a narrow-lane machine, where in the left part of the drawing the the components forming the combustion chamber are also shown,

Fig. 2 is a side view of the torch body and on the ramp bodies forming the combustion chamber, partly in longitudinal section,

Figo 3 shows a cross section along the line III-III in Fig. 1 and

Fig. 4 shows a cross section along the line IV-IY in ^ ig. 109849/0590

The figures show a Brinner body 1 which is produced by the extrusion process and has an approximately rectangular cross-section, which is made of two identical profile parts 1a, 1b is composed and has a longitudinal gap 2 on its upper side »In the burner body are a gas mixture space 3 and to the right and left of the gap 2 two cooling water channels 4-, 5 formed which to the Front ends of the burner body are covered by flanges 6, 7 * The gas mixture feed 8 takes place through the flange 7 to the lower part of the burner body 1 and from there through a longitudinal retention gap 1c and through a fine-meshed, Dirt-retaining strainer 9 to the upper part of the burner body. The cooling water lines 10 bypass the flange 6 and shortly behind it open laterally into the cooling water channels 4, 5.

In the longitudinal gap 2 of the burner body 1, a mixture distribution strip 11 is inserted, the lower end of which rests on seat ribs 12 formed on the longitudinal gap walls.The mixture distribution strip 11 is clamped tightly in the longitudinal gap 2 by several clamping screws 14 connecting the two main walls 1a and 1b of the burner body · the strip 11 is provided on its underside with a longitudinal groove 13 and resiliently compressible in this area, thereby ensuring that the L _e iste 11 is clamped even when any warping exactly fitting in the longitudinal slot 2 ·

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The mixture distribution bar is dimensioned somewhat narrower than the gap 2 at its end applied to the mixture space 3, so that there is a narrow burner slot 15, 16 on both sides of the distribution bar. The rear of the burner slots 15, 16 are connected to longitudinal grooves 18, 18 formed on the side surfaces of the distributor bar 11, which in turn are connected to the mixture space 3 via transverse bores 19 and longitudinal blind bores 20.

The two burner slots 15 and 16 open into a common, two chambers 21 and 21b comprising combustion chamber, which in is known per se laterally limited by refractory ramp blocks 22, 23, which on the burner body 1 below Between joining a heat insulating layer 24 screwed tight are. In the chamber 21a, which is considerably lower than that of known embodiments, the flame zone begins, which continues into the main combustion chamber 21b over the constriction causing a stabilization. Out of the chamber 21b a band of flame penetrates through a scorching slit 25 on the outside against a textile passed by the Sengschlitz 25 Track 26, in which protruding fibers or the like. Are cut off.

Figures 2 and 4- illustrate a device for adjustment the effective length of the combustion chambers 21a, 21b, or of the singeing flame slot 25, in adaptation to the width of the

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textile web to be treated in each case , so that they are adjacent closure member 28 there is a corresponding longitudinal section of the combustion chamber 21a, 21b seal off «· ^il igc 2 of the mixture supply denotes arranged at the left end of the burner body closure member 27 is in its sealing position, while the inwardly in the retracted position, and the longitudinal bores 20. In each case at the transition point of two shut-off bodies, a pin 30 is inserted into one of the transverse bores 19 and a plug 31 is inserted into the gutter 13 of the mixture distributor bar 11, which 30, 31 the longitudinal grooves 13, 17 ^ and 18 of the bar 11 in Subdivide sections according to the length of the shut-off bodies 27, 28

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Claims (1)

Patent attorney Diploma Phys. Rudolf Peerbooms 2023 782 Wuppertal-Barmen - 9 ~ Friedrich-Engels-Allee 349/351 Ruf556147 P / H 1370/69 / Pee / S Claims π ψ) burner unit for the flame treatment of textile fabrics, in particular burner unit for scorching machines, with a burner body for the gas mixture and with a combustion chamber which has a scorching flame slot and is connected to the burner body via a slit-shaped gas mixture supply opening, characterized in that the gas mixture supply opening consists of two straight lines , parallel, continuous burner slots (15, 16) consists of » 2 «burner unit according to claim 1, characterized in that that the two burner slots (15 »16) have one such Have a distance that there is a common flame cone trains. * ■ ■ 3β burner unit according to claims 1 and 2, characterized in that that the burner body (1) is made of extruded aluminum profile material. 4 · Burner unit according to claims 1 to 3, characterized in that the burner body (1) has a longitudinal gap (2) of a width approximately equal to the distance between the 109849/0590 - ίο - two burner slots (15 »16)" and that in the Longitudinal gap a mixture distributor strip (11) anox-unec which is slightly narrower on the combustion chamber side than the longitudinal gap (2) to form the two burner slots is formed and which is provided with bores (19, 20) which the mixture space (5) with the two Connect the burner slots (15, 16) Burner unit according to Claims 1 to 4, characterized in that that on the longitudinal gap walls of the burner body (1) seat ribs (12, 13) for the rear end of the Mixture distribution bar (11) and also several connecting the ^ aupt walls (1a, 1b) of the burner body (1) Tensioning screws (14-) are provided for tightening the mixture distribution bar » 6e burner unit according to claims 1 to 5 »with a Device for the section-by-section setting of the effective Length of the burner chamber by partially shutting off the mixture supply to the burner chamber, characterized in that that the device has adjustable closure bodies (27) which seal against the mixing chamber side The end face of the distributor bar (11) can be pressed. 10 9849/0590 7 · Burner unit according to one or more of the preceding Claims, characterized by their use for drying textile surface gels direct flame exposure 10 9 849/0590 Blank page