RU1815561C - Device for drying of rolled material in suspended state - Google Patents

Abstract

Usage: drying of rolled materials in suspension in the chemical, photochemical, paper industry in the manufacture of polymeric materials and paper. SUMMARY OF THE INVENTION: the upper panel 2 and the lower panel 3 are closely adjacent to each other, and the oppositely directed nozzles 7, 8 are formed by nozzle holes made in the upper panel 2 and the visors 5, 6 are bent on the lower panel and the portion of the lower panel 3 adjacent to the upper panel 9 installed with partial overlapping nozzle holes in the region of their leading edges. Air is supplied through the nozzle 13 to the air distribution duct 1. The web material 14 is dried and transported on an air cushion. 3 ill.

Description

The invention relates to devices for drying and holding the web material in suspension and can be used in the chemical, photochemical, and paper industries in the manufacture of polymeric materials and paper.

The purpose of the invention is to improve the quality of the material to be dried and to reduce energy costs by ensuring uniform drying across the width of the material and intensification of the drying process.

In FIG. 1 shows a device, a General view; in Fig.2 - the location of the nozzle holes; in FIG. 3 is a picture of a nozzle outflow.

The device for drying the coiled material in suspension contains an air distribution box 1, an upper panel 2 located on it, a lower panel 3c adjacent to it, an adjacent section 4 adjacent to the upper panel 2, and bent visors 5 and 6. the nozzles are staggered and arranged in a checkerboard pattern 7 and 8. Nozzles 7 and 8 are formed by nozzle openings 9 and juxtaposed in the upper panel 2, trump on the lower panel 3. kami 5 and 6. Section 4 of the bottom panel 3 is installed with a partial overlap of the nozzle holes 9 and 10 in the region of the leading edges 11 and 12.

The air distribution duct 1 comprises a nozzle 13 for supplying air supporting the web material 14 in suspension.

A device for drying coil material in suspension is as follows.

Through the nozzle 13, air is supplied under pressure to the air distribution box 1. From the duct 1, the air flows in opposite directions through the nozzles 7 and 8. After the air leaves the air distribution duct 1,

ate about

a mouth of air jets, at the end of which the air jets run into an obstruction in the form of leading edges 11 and 12 of the nozzle openings 9 and 10. Behind the leading edges 11 and 12, vortices turbulent in the air flow form. Further, a turbulized air stream flows in the gap by the upper panel 2 and the material 14, which creates an air cushion, keeping the material 14 in suspension, and at the same time dries the material 14.

Due to the arrangement of the panels 2 and 3 one above the other and the formation of multidirectional nozzles 7 and 8, the nozzle holes 9 and 10 made in the upper panel 2 and the visors 5 and 6 bent on the lower panel 3 increase the rigidity of the device structure and the geometry stability of the nozzles 7 and 8 and air flow through the nozzles 7 and 8 after the expiration of the duct 1, which ensures uniform drying across the width of the material 14 and the economy of the device.

The installation adjacent to the upper chanel 2 of the section 4 of the lower panel 3 with a partial overlap of the nozzle openings 9 and 10 in the region of their front edges 11 and 12 leads to the formation of obstacles in the form of front jets in the form of front edges 11 and 12 of the nozzle openings 9 and 10, located at the end of the rotation of the air jets after they exit the air distribution box 1 and contributing to the turbulization of the air flow in the gap between the upper panel-2 and the material 14, which leads to an intensification of the drying process,

Claims (1)

The technical and economic effect of the use of the invention is to improve the quality of the dried material and reduce the energy costs of drying the material. 0 Claims A device for drying the coiled material in suspension, comprising an air distribution box with 5 panels facing k to the material to be dried, provided with visors bent to the opposite side from the material to be dried, and with nozzles arranged in a checkerboard pattern, distinguishing that, in order to improve the quality of the dried material and reduce satpaT energy by ensuring uniform drying across the width of the material and intensification of the drying process, panel 5 is placed wife closely one above the other, and the multidirectional nozzle are formed formed in the top panel of nozzle openings and curved visors panel, wherein the bottom panel portion 30 adjacent to a pri- upper set involving overlapping of nozzle holes in the upper panel in the vicinity of their front edges. . / y / V ( J Fig. {