CN210154196U

CN210154196U - Drying device for cold-resistant cable material

Info

Publication number: CN210154196U
Application number: CN201920461356.3U
Authority: CN
Inventors: 郭伟杰; 戴志松; 孔维民
Original assignee: Nanjing Zhongchao New Materials Co Ltd
Current assignee: Nanjing Zhongchao New Materials Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-03-17
Anticipated expiration: 2029-04-04

Abstract

The utility model provides a drying device for cold-resistant cable materials, which comprises a drying tank, wherein the top wall of the drying tank is provided with a feed inlet and an air outlet, and the feed inlet and the air outlet are respectively positioned at the left side and the right side of the axle center of the drying tank; the lower side of the drying tank is a tapered wall with a necking, the tapered wall is provided with a hot air inlet, and the bottom end of the drying tank is provided with a discharge hole; a rotating shaft is arranged on the axis line in the drying tank, the top end of the rotating shaft extends out of the drying tank and then is meshed with a motor, the motor can drive the rotating shaft to rotate, and the motor is fixed on the top wall of the drying tank; a plurality of umbrella-shaped material equalizing plates are fixed on the rotating shaft at intervals from top to bottom, and the diameters of the material equalizing plates are sequentially increased from top to bottom; a plurality of drying agent boxes are further installed on the rotating shaft, a plurality of air holes are formed in the box bodies of the drying agent boxes, and drying agent particles are filled in the drying agent box inner tanks. The utility model discloses an in the use, hot-blast contact time with the cable material is long, area of contact is big, and drying efficiency and drying uniformity are good.

Description

Drying device for cold-resistant cable material

Technical Field

The utility model belongs to the technical field of cable material particle processing equipment, concretely relates to drying device of cold-resistant cable material.

Background

In parts of regions in China, the climate is extremely cold, the day and night temperature difference is large, and the cable works in the extremely cold regions with severe climate conditions all the year round and must have excellent cold resistance, so that the insulating layer of the cable needs to be processed by using the cold-resistant cable material. The processing of cold-resistant cable materials generally comprises: weighing the proportioned raw materials with the cold resistance, feeding the raw materials into a stirrer for full mixing, plasticizing and granulating by a double-screw extruder to form granular cable materials, and then putting the cable materials into a dryer for drying. In the drying process, cold-resistant cable material need guarantee that drying effect is even, avoids the moisture in the cable material to exceed standard and influence the insulating properties and the highest cold-resistant temperature of cable, and current ordinary cable material desiccator, cable material are straight following formula feeding, and cable material and hot-blast contact time and area of contact are little, remain the improvement to the drying efficiency and the drying homogeneity of cold-resistant cable material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drying device of cold-resistant cable material, hot-blast contact time with the cable material is long, area of contact is big, and drying efficiency and drying uniformity are good.

The utility model provides a following technical scheme:

a drying device for cold-resistant cable materials comprises a drying tank, wherein a feed inlet and an air outlet are formed in the top wall of the drying tank, and are respectively positioned on the left side and the right side of the axis of the drying tank; the lower side of the drying tank is a tapered wall with a necking, the tapered wall is provided with a hot air inlet, and the bottom end of the drying tank is provided with a discharge hole; a rotating shaft is arranged on the axis line in the drying tank, the top end of the rotating shaft extends out of the drying tank and then is meshed with a motor, the motor can drive the rotating shaft to rotate, and the motor is fixed on the top wall of the drying tank; a plurality of umbrella-shaped material equalizing plates are fixed on the rotating shaft at intervals from top to bottom, and the diameter of each material equalizing plate is increased from top to bottom in sequence; a plurality of drying agent boxes are further installed on the rotating shaft, a plurality of air holes are formed in the box bodies of the drying agent boxes, and drying agent particles are filled in the drying agent box inner tanks.

Preferably, a plurality of discharge holes are distributed on the material equalizing plate, and the diameter of each discharge hole is larger than that of the cable material to be dried.

Preferably, the number of the drying agent boxes is equal to the number of the material homogenizing plates, and the plurality of drying agent boxes and the plurality of material homogenizing plates are installed on the rotating shaft in a staggered mode.

Preferably, the rotating shaft is provided with two hoops respectively on the upper side and the lower side of the drying agent box, and each drying agent box is fixed on the rotating shaft through the two hoops.

Preferably, the lower end of the rotating shaft is fixedly connected with a triangular support frame, the lower end of the triangular support frame is fixedly connected with the rotating shaft through a horizontal support ring, the support ring and the rotating shaft are coaxial, a plurality of rollers are mounted on the outer circumferential wall of the support ring, the axes of the rollers are parallel to the conical wall, and the rollers can be tightly attached to the inner wall of the conical wall and roll on the conical wall.

Preferably, the rollers are symmetrically distributed on the support ring by taking the circle center of the support ring as the center.

Preferably, a manhole is arranged on the side wall of the drying tank.

Preferably, a hygrometer is further mounted on the side wall of the drying tank.

The utility model has the advantages that: the utility model discloses installation pivot in the drying cylinder, install the homocline board of a plurality of umbelliform in the pivot at interval, the motor drive pivot is rotated, the homocline board is followed the pivot and is rotated together, the cable material that gets into in the jar from the feed inlet falls on the homocline board, throw away and spread on the homocline board and come, landing downwards from the homocline board successive layer again, slowly descend to discharge gate department, the discreteness of cable material has been improved, cable material and hot-blast contact time and area of contact have been increased, drying uniformity and drying efficiency have been improved. The diameters of the material-sharing plates are sequentially increased from top to bottom, so that most of cable materials can be received by the material-sharing plates with larger diameters below, and the cable materials are kept to be continuously dispersed by the material-sharing plates. The drying agent box is installed on the rotating shaft, and the drying agent in the box adsorbs the water vapor separated from the drying tank through the air holes, so that the drying effect is further ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the leveling plate and the drying agent box of the present invention;

labeled as: 1. a drying tank; 2. a feed inlet; 3. an air outlet; 4. a tapered wall; 5. a hot air inlet; 6. a discharge port; 7. a rotating shaft; 8. a motor; 9. material homogenizing plates; 10. a desiccant box; 11. desiccant beads; 12. a discharge opening; 13. clamping a hoop; 14. a triangular support frame; 15. a support ring; 16. a roller; 17. a manhole; 18. and a hygrometer.

Detailed Description

As shown in fig. 1 and 2, a drying device for cold-resistant cable materials comprises a circular drying tank 1, wherein a feed inlet 2 and an air outlet 3 are arranged on the top wall of the drying tank 1, the feed inlet 2 and the air outlet 3 are respectively positioned on the left side and the right side of the axis of the drying tank 1, and a discharge outlet 6 is arranged at the bottom end of the drying tank 1. The lower side of the drying tank 1 is a tapered wall 4 with a necking, the tapered wall 4 is provided with a hot air inlet 5, and the hot air inlet 5 is connected with a hot air furnace through a pipeline, so that dry hot air is injected into the drying tank 1, and the temperature of the dry hot air can be adaptively adjusted according to actual working conditions and technological requirements. The rotating shaft 7 is installed on the axis in the drying tank 1, the top end of the rotating shaft 7 extends out of the drying tank 1 and then is meshed with the motor 8, the motor 8 is installed and fixed on the top wall of the drying tank 1 through bolts, and the motor 8 can drive the rotating shaft 7 to rotate. A plurality of umbrella-shaped material homogenizing plates 9 are welded on the rotating shaft 7 at intervals from top to bottom, the material homogenizing plates 9 can temporarily receive the falling cable materials, and the material homogenizing plates 9 rotate together with the rotating shaft 7 to more uniformly throw the cable materials out and lay the cable materials flat, so that the contact area and the contact time of the cable materials and hot air are increased; the diameters of the material equalizing plates 9 are sequentially increased from top to bottom, so that most of the cable materials can be received by the material equalizing plates with larger diameters below, and the cable materials are kept to be continuously dispersed by the material equalizing plates. The rotating shaft 7 is further provided with a plurality of drying agent boxes 10, a plurality of air holes (not shown in the figure) are formed in the box bodies of the drying agent boxes 10, drying agent grains 11 are filled in the drying agent boxes 10, the drying agent grains 11 can be common drying agents such as silica gel grains and active carbon, and the drying agent grains 11 can absorb moisture separated from the drying tank 1 to ensure the drying effect. A hygrometer 18 is also installed on the side wall of the drying cylinder 1, so as to monitor the humidity in the drying cylinder 1.

It has a plurality of discharge opening 12 to distribute on the homocline board 9, and the diameter of discharge opening 12 is greater than the diameter of treating dry cable material slightly, sets up discharge opening 12, can make partial cable material pass through in discharge opening 12, descends to the homocline board of below again on, is unlikely to all from the lower limb landing of homocline board, is favorable to improving the dispersion degree of cable material. In addition, the hot air can flow upwards through the discharge holes 12, so that the flowability of the hot air is improved, and the drying efficiency and the drying uniformity are improved.

The quantity of the drying agent boxes 10 is equal to that of the material equalizing plates 9, and the plurality of drying agent boxes 10 and the plurality of material equalizing plates 9 are installed on the rotating shaft 7 in a staggered mode, so that the drying effect in the drying tank 1 is more balanced.

The clamp 13 is installed respectively in the upper and lower both sides of drying agent box 10 on pivot 7, and every drying agent box 10 is fixed in pivot 7 through two clamp 13 on, conveniently dismantles and changes drying agent box 10. The manhole 17 is formed in the side wall of the drying tank 1, workers can conveniently enter the tank to maintain equipment, and the structure and the forming mode of the manhole are known technologies and are not described in detail.

The lower end of the rotating shaft 7 is fixedly connected with a triangular support frame 14, the lower end of the triangular support frame 14 is welded with a horizontal support ring 15, the support ring 15 and the rotating shaft 7 are coaxial, the outer circumferential wall of the support ring 15 is provided with a plurality of rollers 16, the axes of the rollers 16 are parallel to the conical wall 4, and the rollers 16 are tightly attached to the inner wall of the conical wall 4 and can roll on the conical wall 4. The rollers 16 are symmetrically distributed on the support ring 15 with the center of the circle of the support ring 15 as the center. The triangular support frame 14, the support ring 15 and the roller 16 support the rotating shaft 7 together from the lower part of the rotating shaft 7, and ensure that the rotating shaft 7 can stably rotate in the drying tank 1. The roller 16 can roll on the conical wall 4, so that the friction force between the support ring 15 and the conical wall 4 is reduced, and the rotating shaft 7 can rotate along the field.

The working process of the drying device is as follows: connecting the motor 8 with an external power supply, starting the motor 8, and driving the rotating shaft 7 and the material homogenizing plate 9 to rotate by the motor 8; the hot blast stove is connected with a hot air inlet 5 through a pipeline, hot air is introduced into a drying tank 1, a dotted arrow in figure 1 indicates a hot air flow direction, the hot air flows upwards due to low density, air in the tank is pre-dried, then a cable material is sent into the drying tank 1 from a feed inlet 2, a solid arrow in figure 1 indicates a cable material flow direction, the cable material falls onto a material homogenizing plate 9 and is thrown away and spread by a rotating material homogenizing plate 9, part of the cable material falls onto a material homogenizing plate below through a discharge hole 12, the other part of the cable material freely slides down from the material homogenizing plate above to the material homogenizing plate below, the cable material is sequentially spread by each layer of material homogenizing plates 9 and then falls, the contact area and the contact time with the hot air are increased, the drying effect and the drying efficiency are improved, and the dried cable material is discharged out of the drying tank 1 from a discharge hole 6. The desiccant beads 11 in the desiccant container 10 continuously adsorb moisture separated from the interior of the drying tank 1, thereby ensuring the drying performance in the tank. Part of the hot air flows upwards through the discharge holes 12 on the material homogenizing plate 9, part of the hot air flows upwards through a gap between the material homogenizing plate 9 and the inner wall of the drying tank 1, the cable material is dried, and the used hot air flows out of the drying tank 1 from the air outlet 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The drying device for the cold-resistant cable material is characterized by comprising a drying tank, wherein a feed inlet and an air outlet are arranged on the top wall of the drying tank, the feed inlet and the air outlet are respectively positioned on the left side and the right side of the axis of the drying tank, a tapered wall with a reduced opening is arranged on the lower side of the drying tank, a hot air inlet is arranged on the tapered wall, and a discharge outlet is arranged at the bottom end of the drying tank; a rotating shaft is installed on an axis in the drying tank, the top end of the rotating shaft extends out of the drying tank and then is in meshed connection with a motor, the motor is fixed on the top wall of the drying tank, and the motor can drive the rotating shaft to rotate; a plurality of umbrella-shaped material equalizing plates are fixed on the rotating shaft at intervals from top to bottom, and the diameters of the material equalizing plates are sequentially increased from top to bottom; the drying device is characterized in that a plurality of drying agent boxes are further mounted on the rotating shaft, a plurality of air holes are formed in the box bodies of the drying agent boxes, and drying agent granules are filled in the drying agent boxes.

2. The drying device for cold-resistant cable materials as claimed in claim 1, wherein a plurality of discharge holes are distributed on the material homogenizing plate, and the diameter of the discharge holes is larger than that of the cable materials to be dried.

3. The drying device for cold-resistant cable materials as claimed in claim 2, wherein the number of the drying agent boxes is equal to the number of the material homogenizing plates, and a plurality of the drying agent boxes and a plurality of the material homogenizing plates are installed on the rotating shaft in a staggered manner.

4. The drying device for cold-resistant cable materials as claimed in claim 3, wherein the rotating shaft is provided with two clamps at the upper and lower sides of the drying agent box, and each drying agent box is fixed on the rotating shaft through two clamps.

5. The drying device for cold-resistant cable materials as claimed in claim 4, wherein a triangular support frame is fixedly connected to the lower end of the rotating shaft, the lower end of the triangular support frame is fixedly connected through a horizontal support ring, the support ring is coaxial with the rotating shaft, a plurality of rollers are mounted on the outer circumferential wall of the support ring, the axes of the rollers are parallel to the tapered wall, and the rollers are tightly attached to the inner wall of the tapered wall and can roll on the tapered wall.

6. The drying device for cold-resistant cable materials as claimed in claim 5, wherein the plurality of rollers are symmetrically distributed on the support ring with the center of circle of the support ring as the center.

7. The drying device for the cold-resistant cable material as claimed in claim 6, wherein a manhole is formed on a side wall of the drying tank.

8. The drying device for cold-resistant cable materials as claimed in claim 1, wherein a hygrometer is further mounted on the side wall of the drying tank.