CN217979636U

CN217979636U - Composite material drying device

Info

Publication number: CN217979636U
Application number: CN202222187040.4U
Authority: CN
Inventors: 石益雄
Original assignee: Ningbo Bost Polymer Material Technology Co ltd
Current assignee: Ningbo Bost Polymer Material Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-06
Anticipated expiration: 2032-08-18

Abstract

The application discloses combined material drying device, including preheating the mechanism, stoving mechanism, heating mechanism, preheat the mechanism and include preheating the chamber and set up the second intermediate layer in preheating the chamber periphery, stoving mechanism includes stoving chamber and the first intermediate layer of setting in stoving chamber periphery, stoving chamber and preheating chamber and second intermediate layer intercommunication, the second intermediate layer is connected with the blast pipe, stoving chamber and intake-tube connection, it is suitable for guide combined material exhaust spiral delivery mechanism to be equipped with in the stoving chamber, first intermediate layer intussuseption is filled with the conduction oil, heating mechanism is suitable for the heating conduction oil, first intermediate layer is the U style of calligraphy basically along stoving mechanism width direction's cross-section. The drying device has the advantages of small heat loss and more sufficient drying.

Description

Composite material drying device

Technical Field

The application relates to the field of drying devices, in particular to a composite material drying device.

Background

The composite material must be fully dried before forming, and the material containing moisture can cause the water vapor to enter a mold cavity along with the molten gel after melting, so that the finished product has the undesirable phenomena of silver wires, bubbles, blurring, poor air permeability and the like, and some materials can even react with water at high temperature to generate the water decomposition phenomenon, and the performance of the material can be deteriorated at this time, and even the stability of the production operation is threatened.

The drying of the composite material means that the composite material is heated continuously without deformation, water vapor and other volatile substances in the raw materials of the composite material are removed, the surface gloss can be improved, the bending strength and the tensile strength are improved, internal cracks and air bubbles are avoided, the plasticizing capacity is improved, and the forming period is shortened.

However, the existing composite material drying device has two defects that firstly, hot air is used for drying, the heat loss of the hot air in a pipeline is large, secondly, wet composite materials are granular and easy to agglomerate, and only once drying is performed, and the wet composite materials are discharged from a discharge port, so that insufficient drying is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a combined material drying device, it can reduce heat loss, carry out abundant stoving to combined material.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the composite material drying device comprises a preheating mechanism, a drying mechanism and a heating mechanism, wherein the preheating mechanism comprises a preheating cavity and a second interlayer arranged at the periphery of the preheating cavity, the drying mechanism comprises a drying cavity and a first interlayer arranged at the periphery of the drying cavity, the drying cavity is communicated with the preheating cavity and the second interlayer, the second interlayer is connected with an exhaust pipe, the drying cavity is connected with an air inlet pipe, a spiral conveying mechanism suitable for guiding the composite material to discharge is arranged in the drying cavity, heat conduction oil is filled in the first interlayer, the heating mechanism is suitable for heating the heat conduction oil, and the section of the first interlayer along the width direction of the drying mechanism is basically U-shaped.

Preferably, the preheating mechanism is arranged above the heating mechanism, a feed opening connected with the drying cavity is formed in the lower end of the preheating mechanism, the preheating mechanism and the heating mechanism are arranged at one end of the drying mechanism, and the other end of the drying mechanism is connected with a driving mechanism for driving the spiral conveying mechanism.

Preferably, the feed opening is communicated with the side surface and the bottom surface of the preheating mechanism, the feed opening is obliquely arranged, and a discharge opening is formed in the side wall of the drying mechanism.

Preferably, the heating mechanism comprises an oil pumping pipe, an oil delivery pipe, a heater and an oil pump, the oil pumping pipe and the oil delivery pipe are communicated with the first interlayer, the oil pumping pipe is connected with the heater, the heater is connected with the oil pump, and the oil pump is connected with the oil delivery pipe.

Further, the heating mechanism further comprises a filter, and the oil pumping pipe is connected with the heater through the filter.

Preferably, the outer side of the drying mechanism is provided with a heat preservation layer, a liquid level meter and a thermometer.

Preferably, the air inlet pipe extends into the drying cavity, and a plurality of air outlet holes are formed in the air inlet pipe along the length direction of the drying cavity.

Furthermore, the number of the air inlet pipes is two, and the two air inlet pipes extend into the drying cavity from two sides respectively.

Preferably, the drying device comprises a stirring mechanism connected with the preheating mechanism.

Preferably, the bottom of the drying mechanism is provided with supporting legs.

Compared with the prior art, the beneficial effect of this application lies in: the mode heating that uses first intermediate layer to fill high temperature conduction oil compares the mode that steam was dried, and the conduction oil heating is faster, and stoving intracavity temperature promotes faster.

Drawings

Fig. 1 is a sectional view of a drying apparatus along a length direction thereof according to an embodiment of the present application;

fig. 2 is a cross-sectional view of a drying apparatus along a width direction thereof in an embodiment of the present application;

in the figure: 10. a preheating mechanism; 1a, a preheating cavity; 1b, a second interlayer; 20. a drying mechanism; 2a, a drying cavity; 2b, a first interlayer; 21. a screw conveying mechanism; 22. a heat-insulating layer; 23. a liquid level meter; 24. a thermometer; 25. supporting legs; 26. a discharge port; 30. a heating mechanism; 31. an oil pumping pipe; 32. an oil delivery pipe; 33. a heater; 34. an oil pump; 35. a filter; 41. an exhaust pipe; 42. an air inlet pipe; 50. a drive mechanism; 60. and a stirring mechanism.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, the composite material drying device includes a preheating mechanism 10, a drying mechanism 20, and a heating mechanism 30, the preheating mechanism 10 includes a preheating chamber 1a and a second interlayer 1b disposed at the periphery of the preheating chamber 1a, the drying mechanism 20 includes a drying chamber 2a and a first interlayer 2b disposed at the periphery of the drying chamber 2a, the drying chamber 2a is communicated with the preheating chamber 1a and the second interlayer 1b, the second interlayer 1b is connected with an exhaust pipe 41, the drying chamber 2a is connected with an intake pipe 42, a spiral conveying mechanism 21 adapted to guide the composite material to be discharged is disposed in the drying chamber 2a, heat conduction oil is filled in the first interlayer 2b, and the heating mechanism 30 is adapted to heat the heat conduction oil.

As shown in fig. 2, the first sandwich layer 2b has a substantially U-shaped cross section along the width direction of the drying mechanism 20.

The drying device theory of operation does: the heating mechanism 30 is started to heat conduction oil, the heat conduction oil heats the drying cavity 2a, the air inlet pipe 42 is used for introducing air into the drying cavity 2a, the air is heated when passing through the drying cavity 2a and flows into the second interlayer 1b to heat the preheating cavity 1a, then the air is discharged through the exhaust pipe 41, at the moment, the composite material is added into the preheating cavity 1a, the composite material is firstly dried at a lower temperature through the preheating cavity 1a, then falls to the drying cavity 2a to be dried at a higher temperature, and is then driven by the spiral conveying mechanism 21 to be discharged.

Compare prior art, the advantage of this embodiment has:

(1) The mode that uses high temperature conduction oil heats combined material, compares the mode that steam was dried, and the conduction oil heating is faster, and the temperature promotion is faster in stoving chamber 2a, and heat utilization rate is high, calorific loss is little.

(2) The air is heated from intake pipe 42 entering stoving chamber 2a and is formed hot-blastly, hot-blastly carry the last volatile moisture of combined material and discharge from blast pipe 41 through second intermediate layer 1b again, can reduce the humidity in stoving chamber 2a and improve stoving effect in stoving chamber 2a, can utilize hot-blastly again to preheat chamber 1a, form two stoving, improve the stoving effect, and the moisture in the steam has been avoided meetting the combined material to take place the condensation to second intermediate layer 1 b's setting, the rational utilization steam.

(3) The rotation of spiral conveying mechanism 21 can drive the whole combined material to move rightwards, be convenient for from the combined material of drying mechanism 20 right side discharge, the first intermediate layer 2b of U style of calligraphy heats stoving chamber 2a from stoving chamber 2a bottom and side simultaneously, rapid heating up when combined material contacts with stoving chamber 2a bottom and side, leave stoving chamber 2a outer wall a period when being shoveled up by spiral conveying mechanism 21, combined material contacts with the air that intake pipe 42 blew off this moment, moisture can volatilize to in the air, and avoided the continuous heating to lead to local high temperature to cause the plastics to soften.

Further, the preheating mechanism 10 is arranged above the heating mechanism 30, a feed opening connected with the drying cavity 2a is arranged at the lower end of the preheating mechanism 10, the preheating mechanism 10 and the heating mechanism 30 are arranged at one end of the drying mechanism 20, and the other end of the drying mechanism 20 is connected with the driving mechanism 50 for driving the spiral conveying mechanism 21. The whole drying device is compact in structure and convenient to arrange.

Preferably, the feed opening is communicated with the side surface and the bottom surface of the preheating mechanism 10, the feed opening is obliquely arranged, and the side wall of the drying mechanism 20 is provided with a discharge opening 26. The composite material can naturally enter the drying cavity 2a under the action of gravity and is not easy to remain at the bottom of the preheating cavity 1 a.

The drying device further comprises a stirring mechanism 60 connected with the preheating mechanism 10, the stirring mechanism 60 comprises a motor, a speed reducer, a rotating shaft and stirring blades, an output shaft of the motor is connected with the speed reducer and then connected with the rotating shaft after speed reduction, and the rotating shaft extends into the preheating cavity 1a and is provided with the stirring blades. The stirring mechanism 60 is used for scattering the composite material, and the drying effect is improved.

As shown in fig. 1, the heating mechanism 30 includes an oil pumping pipe 31, an oil feeding pipe 32, a heater 33, and an oil pump 34, the oil pumping pipe 31 and the oil feeding pipe 32 are communicated with the first interlayer 2b, the oil pumping pipe 31 is connected with the heater 33, the heater 33 is connected with the oil pump 34, and the oil pump 34 is connected with the oil feeding pipe 32.

The heat conducting oil is in a circulating heating state, and the heat conducting oil heats the drying cavity 2a more uniformly. Further, an oil suction pipe 31 may be provided at the bottom of the first sandwiched layer 2b, and oil feed pipes 32 may be provided at both sides of the first sandwiched layer 2 b.

Further, the heating mechanism 30 further includes a filter 35, and the oil well pumping pipe 31 is connected to the heater 33 through the filter 35. Avoid impurity in the fluid to influence fluid heating effect and even produce the potential safety hazard.

An insulating layer 22, a liquid level meter 23 and a thermometer 24 are arranged outside the drying mechanism 20. The heat-insulating layer 22 may be heat-insulating cotton for reducing heat loss of the heat-conducting oil, and the level gauge 23 and the thermometer 24 are respectively used for measuring the height and temperature of the oil, so as to increase or decrease the filling amount of the heat-conducting oil according to the measurement result, or adjust the power of the heating mechanism 30 to adjust the drying temperature of the drying cavity 2a.

As shown in fig. 1, the air inlet pipe 42 extends into the drying chamber 2a, and the air inlet pipe 42 is provided with a plurality of air outlet holes along the length direction of the drying chamber 2a.

As shown in fig. 2, two air inlet pipes 42 are provided, and the air inlet pipes 42 extend into the drying chamber 2a from both sides. The air inlet pipe 42 is staggered with the spiral conveying mechanism 21 and arranged at the tops of two sides of the spiral conveying mechanism, and the air blown out from the air inlet pipe 42 can quickly take away the water vapor dissipated from the composite material after being heated.

The bottom of the drying mechanism 20 is provided with a supporting leg 25, so that the phenomenon that the drying mechanism 20 is unstable in standing due to a U-shaped structure is avoided.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and such changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a combined material drying device which characterized in that: including preheating the mechanism, drying mechanism, heating mechanism, it is in to preheat the mechanism including preheating the chamber and setting preheating the second intermediate layer of chamber periphery, drying mechanism includes the stoving chamber and sets up the first intermediate layer of stoving chamber periphery, the stoving chamber with preheat the chamber and reach the second intermediate layer intercommunication, the second intermediate layer is connected with the blast pipe, stoving chamber and intake-tube connection, it is suitable for guide combined material exhaust spiral delivery mechanism to be equipped with in the stoving chamber, first intermediate layer intussuseption is filled with the conduction oil, heating mechanism is suitable for the heating the conduction oil, first intermediate layer is the U style of calligraphy basically along the cross-section of stoving mechanism width direction.

2. The composite drying apparatus of claim 1, wherein: the preheating mechanism is arranged above the heating mechanism, a feed opening connected with the drying cavity is formed in the lower end of the preheating mechanism, the preheating mechanism and the heating mechanism are arranged at one end of the drying mechanism, and the other end of the drying mechanism is connected with a driving mechanism for driving the spiral conveying mechanism.

3. The composite drying apparatus of claim 2, wherein: the feed opening with preheat the side and the bottom surface of mechanism and link up mutually, the feed opening slope sets up, stoving mechanism lateral wall is equipped with the discharge gate.

4. The composite drying apparatus of claim 1 or 2, wherein: the heating mechanism comprises an oil pumping pipe, an oil delivery pipe, a heater and an oil pump, the oil pumping pipe is communicated with the oil delivery pipe and the first interlayer, the oil pumping pipe is connected with the heater, the heater is connected with the oil pump, and the oil pump is connected with the oil delivery pipe.

5. The composite drying apparatus of claim 4, wherein: the heating mechanism further comprises a filter, and the oil pumping pipe is connected with the heater through the filter.

6. The composite drying apparatus of claim 1, wherein: and a heat insulation layer, a liquid level meter and a thermometer are arranged on the outer side of the drying mechanism.

7. The composite drying apparatus of claim 1, wherein: the air inlet pipe stretches into the drying cavity, and the air inlet pipe is provided with a plurality of air outlet holes along the length direction of the drying cavity.

8. The composite drying apparatus of claim 7, wherein: the number of the air inlet pipes is two, and the air inlet pipes extend into the drying cavity from two sides respectively.

9. The composite drying apparatus of claim 1, wherein: comprises a stirring mechanism connected with the preheating mechanism.

10. The composite drying apparatus of claim 1, wherein: supporting legs are arranged at the bottom of the drying mechanism.