RU2017867C1 - Chamber for continuous heat treatment of long materials - Google Patents

Abstract

FIELD: equipment for continuous low-temperature treatment of PAN-fiber. SUBSTANCE: chamber consists of body with holes to pass material, perforated branch pipes, guide shafts and sealing partitions. Fiber moving in body is blown with treating medium supplied to body through hole from branch pipes. Regulation of gas flow direction allows neutralization of occurring exothermic effect. EFFECT: higher efficiency. 2 cl, 4 dwg

Description

 The invention relates to equipment for the production of chemical fibers, in particular to an apparatus for continuous low-temperature processing of PAN fiber.

 Known camera apparatus for the continuous processing of chemical fibers, comprising a housing with holes for the passage of fiber and processing medium and guide shafts (I) located in the housing.

 For reliable and high-quality processing of the fiber with a gaseous medium, the gas throughout the chamber must be filtered several times through the fiber. However, for this, the fiber must pass through a very narrow channel, otherwise a gaseous medium will flow around the fiber without being filtered through the material. The use of a narrow channel makes it difficult to fill the material into the chamber, thereby reducing productivity.

 Another disadvantage that reduces productivity is that the volatiles released from the material at the beginning of the chamber can fall on another part of the fiber and become an exo effect concentrator.

 A well-known camera for continuous temperature processing of long material, including a through-flow housing with holes at the ends for material in and out, guide shafts located outside the housing, perforated media for supplying the processing medium, placed in the housing between the axes of the holes for feeding material (2).

 The known camera does not provide high quality material processing and sufficient process performance.

 To achieve this goal in a chamber for continuous temperature processing of long material, including a through-type housing with holes at the ends for material inlet and outlet, guide shafts located outside the housing, perforated media for processing medium located in the housing between the axes of the material supply openings , according to the invention, the means of supplying the processing medium are made in the form of cone-shaped boxes installed towards each other in the direction of decreasing the cross-section I, and the axes of the holes for supplying the material between which the tube outside the body are made overlapping.

 In addition, the chamber is equipped with sealing baffles placed in the housing between the material supply openings.

 Figure 1 shows the camera apparatus for the continuous processing of chemical fibers; figure 2 - section bb in figure 1; figure 3 is a section GG in fig. 1; figure 4 - camera with sealing partitions.

 The camera apparatus for the continuous processing of chemical fibers contains a housing 1 with holes 2 for passing fiber and holes 3 for supplying a processing medium. The camera has a means for orienting the flow of the processing medium, made in the form of perforated nozzles 4, and guide shafts 5 and may have sealing walls 6 located between the holes 2 for the fiber. The guide shafts 5 are installed outside the housing 1. Each perforated pipe 4 is located in the chamber between the axes of the holes 2 for the fiber and perpendicular to them and has a cone-shaped cross section. The axis of the holes 2 for the fiber, between which the pipe 4 is placed, outside the housing 1 are crossed (figure 1).

 The camera operates as follows.

 The fiber 7 is pulled through the chamber, entering and leaving the housing 1 through the holes 2 for passage of the fiber. Outside the housing 1, the fiber 7 changes the direction of movement, enveloping the guide shaft 5. When the fiber 7 moves in the housing 1, it is blown by the processing medium entering the housing 1 through the openings 3 and then through the nozzles 4 to the fiber bundles. The suction of the processing medium occurs in the reverse order. The conical cross-section of the nozzles 4 when changing the flow rate of the processing medium through the hole 3 provides a change in the trajectory of the gas flow in the housing 1.

 Thus, it is possible to carry out effective gas filtration in the selected fiber section where the exothermic effect occurs (in Fig. 1, the motion of the gaseous medium flows is shown by arrows).

 The presence of the sealing partitions 6 allows you to use different processing media in different parts of the camera, increasing the quality of the output material (figure 4).

 The cameras of the apparatus for the continuous processing of chemical fibers have increased productivity due to the effective suppression of the exothermic effect and the reduction in size.

Claims (2)

 1. CAMERA FOR CONTINUOUS TEMPERATURE PROCESSING OF LONG-DIMENSIONAL MATERIAL, including a through-type casing with holes at the ends for material inlet and outlet, guide shafts located outside the casing, perforated media for processing medium located in the casing between the axes of the material supply openings, characterized in that the means of supplying the processing medium are made in the form of cone-shaped boxes installed towards each other in the direction of decreasing the cross section, and the axis of the holes for feeding the material iala sandwiching tube outside the body are made overlapping.  2. The chamber according to claim 1, characterized in that it is equipped with a sealing partitions located in the housing between the holes for supplying material.

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