PE raw material particle drying device

Abstract

The invention provides a PE raw material particle drying device which comprises a drying cylinder, the axis of the drying cylinder is vertical, a tapered air inlet cavity is formed in the bottom of the drying cylinder, and a porous flow dividing cone is arranged in the air inlet cavity; the dehumidification bed module comprises a honeycomb dehumidification bed and an annular vibration mechanism, the honeycomb dehumidification bed is arranged above the porous diversion cone, the annular vibration mechanism is fixed to the inner wall of the drying cylinder, and the honeycomb dehumidification bed is connected with the vibration mechanism and driven by the vibration mechanism to vibrate; and the rotary material shifting mechanism comprises a power assembly fixed to the top of the drying cylinder and a material shifting plate assembly which is in transmission connection with the power assembly and is arranged close to the surface of the honeycomb dehumidification bed. Materials can be in full contact with hot air flow, and drying of the materials is accelerated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drying equipment, in particular to a PE raw material particle drying device. BACKGROUND

[0002] In the manufacturing process of PE pipes, PE raw materials are mixed, heated and melted, and then extruded to form PE pipes. Before heating and melting, the moisture of the PE raw materials needs to be strictly controlled to ensure product quality.

[0003] The existing raw material drying equipment adopts single-point air inlet, and the hot air distribution effect is poor, which leads to the concentration of hot air flow in the drying bin and uneven distribution, so that the material is not evenly heated, and the phenomenon of heat-induced caking or insufficient drying is prone to occur. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application provides a PE raw material particle drying device which can evenly heat the material and improve the drying efficiency.

[0005] According to an embodiment of the present application, a PE raw material particle drying device comprises:

[0006] A drying cylinder, the axis of which is vertical, and the bottom of which is provided with a tapered air inlet cavity, and a porous flow distribution cone is arranged in the air inlet cavity;

[0007] A dehumidification bed module, which comprises a honeycomb dehumidification bed arranged above the porous flow distribution cone, and a vibration mechanism fixed to the inner wall of the drying cylinder and in the form of a ring, and the honeycomb dehumidification bed is connected to the vibration mechanism and is driven to vibrate thereby;

[0008] A rotary material stirring mechanism, which comprises a power assembly fixed to the top of the drying cylinder, and a material stirring plate assembly in transmission connection with the power assembly and arranged close to the surface of the honeycomb dehumidification bed.

[0009] Preferably, the porous flow distribution cone comprises a conical surface plate fixedly connected coaxially with the drying cylinder, and flow distribution holes uniformly arranged on the conical surface plate.

[0010] Further preferably, the porous flow distribution cone further comprises a flow uniformization plate in rotational connection with the drying cylinder and located between the conical surface plate and the honeycomb dehumidification bed, the flow uniformization plate is provided with flow uniformization holes, and the flow uniformization plate is connected with a driving assembly for driving the rotation thereof.

[0011] Further preferably, the vibration mechanism comprises a ring-shaped base fixedly connected with the drying cylinder, and a vibration seat connected with the ring-shaped base through an elastic member, and the honeycomb dehumidification bed is detachably arranged on the vibration seat.

[0012] Further preferably, the honeycomb dehumidification bed comprises a circular heat-conducting framework detachably connected with the vibration mechanism, and a plurality of fan-shaped mounting holes are arranged on the heat-conducting framework, and a fan-shaped honeycomb plate is detachably connected in the mounting hole.

[0013] Further preferably, the heat-conducting framework is provided with airflow holes uniformly distributed thereon.

[0014] Further preferably, the poking plate assembly comprises a power shaft in transmission connection with the power assembly, and a poking plate fixedly connected with the power shaft and extending radially along the power shaft, the power shaft is coaxially arranged with the honeycomb dehumidification bed, and an acute angle is formed between the poking plate and the surface of the honeycomb dehumidification bed.

[0015] Still further preferably, a plurality of material distribution protrusions are arranged on the side of the poking plate away from the honeycomb dehumidification bed.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] The application can effectively disperse the hot air flow uniformly by cooperation of the tapered air inlet cavity and the porous flow distribution cone, and the honeycomb dehumidification bed can be vibrated to facilitate uniform heating of the material, and the rotary poking mechanism arranged on the honeycomb dehumidification bed can cooperate with the material vibration to lift the material, so that the material is in full contact with the hot air flow, and the drying efficiency can be obviously improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the PE raw material particle drying device.

[0019] Figure 2 It is a top view structural schematic diagram of the honeycomb dehumidification bed in the PE raw material particle drying device.

[0020] In the above drawings: 1, drying cylinder; 110, air inlet cavity; 120, porous flow distribution cone; 121, conical surface plate; 122, flow distribution hole; 123, flow uniformizing plate; 124, flow uniformizing hole; 125, driving assembly; 2, dehumidification bed module; 210, honeycomb dehumidification bed; 211, heat-conducting framework; 212, mounting hole; 213, honeycomb plate; 214, airflow hole; 220, vibration mechanism; 221, annular base; 222, elastic member; 223, vibration seat; 3, rotary poking mechanism; 310, power assembly; 320, poking plate assembly; 321, power shaft; 322, poking plate; 323, material distribution protrusion. DETAILED DESCRIPTION

[0021] The technical solutions in the application will be further described below with reference to the drawings and examples.

[0022] An embodiment is provided in the application, such as Figure 1As shown, a PE raw material particle drying device comprises:

[0023] A drying cylinder 1 is in a cylindrical structure, the axis of the drying cylinder 1 is vertical, and the bottom is provided with an air inlet cavity 110 which is tapered from top to bottom, the bottom of the air inlet cavity 110 is externally connected to a hot air device, and a porous flow dividing cone 120 is arranged in the air inlet cavity 110, the hot air is uniformly dispersed through the porous flow dividing cone 120, and the uneven heating of the PE particles is reduced to avoid local caking or insufficient drying;

[0024] A dehumidification bed module 2 comprises a honeycomb dehumidification bed 210 arranged above the porous flow dividing cone 120 and a vibration mechanism 220 fixed to the inner wall of the drying cylinder 1 in a ring shape, the honeycomb dehumidification bed 210 is connected to the vibration mechanism 220 and is driven to vibrate by the vibration mechanism 220;

[0025] A rotary material stirring mechanism 3 comprises a power assembly 310 fixed to the top of the drying cylinder 1 and a stirring plate assembly 320 which is in transmission connection with the power assembly 310 and is arranged close to the surface of the honeycomb dehumidification bed 210;

[0026] During the drying process, the honeycomb dehumidification bed 210 drives the material to vibrate, which is beneficial for the hot air to fully contact the material, and on the other hand, when the material moves upward, it is convenient to be lifted by the stirring plate assembly 320, so that the material is uniformly dispersed and turned over, and the drying of the material is accelerated;

[0027] Specifically, the porous flow dividing cone 120 comprises a conical surface plate 121 which is coaxially fixedly connected to the drying cylinder 1, and flow dividing holes 122 which are uniformly arranged on the conical surface plate 121;

[0028] In order to facilitate the hot air to uniformly act on the material, in a further embodiment, the porous flow dividing cone 120 further comprises a flow uniformizing plate 123 which is rotationally connected to the drying cylinder 1 and is located between the conical surface plate 121 and the honeycomb dehumidification bed 210, the flow uniformizing plate 123 is arranged in parallel with the honeycomb dehumidification bed 210, the flow uniformizing plate 123 is provided with flow uniformizing holes 124, the airflow passes through the flow uniformizing holes 124 and acts vertically on the honeycomb dehumidification bed 210, and the flow uniformizing plate 123 is connected to a driving assembly 125 which drives the rotation of the flow uniformizing plate 123;

[0029] The bottom of the air inlet cavity 110 is provided with a chamber which is externally connected to the hot air device, the driving assembly 125 comprises a driving shaft which is coaxially connected to the flow uniformizing plate 123 and penetrates downwardly through the conical surface plate 121 and the chamber, and an electric motor which is fixed outside the chamber and is in transmission connection with the driving shaft;

[0030] Specifically, the vibrating mechanism 220 includes an annular base 221 fixedly connected with the drying cylinder 1, a vibrating seat 223 connected with the annular base 221 through elastic members 222, the inner side of the annular base 221 is provided with an annular accommodating groove, the vibrating seat 223 is annular and extends into the accommodating groove, the elastic members 222 are rigid springs, the bottom and the top of the vibrating seat 223 are connected with the top wall and the bottom wall of the accommodating groove through the elastic members 222;

[0031] The vibrating seat 223 is provided with a vibrating motor, the top inner side of the vibrating seat 223 is provided with an annular placing groove, and the honeycomb dehumidification bed 210 is detachably arranged in the placing groove;

[0032] In order to improve the drying efficiency, in a further embodiment, as shown in the figure, Figure 2 The honeycomb dehumidification bed 210 includes a circular heat-conducting framework 211 which is detachably connected with the vibrating mechanism 220, a plurality of fan-shaped mounting holes 212 are arranged on the heat-conducting framework 211, and fan-shaped honeycomb plates 213 are detachably connected in the mounting holes 212, and airflow holes 214 are uniformly distributed on the heat-conducting framework 211, so that the heat-conducting framework 211 can be beneficially heat-exchanged with airflow through the airflow holes 214, and the heat-conducting framework 211 can conveniently transfer heat to the material to accelerate drying;

[0033] Specifically, the material stirring plate assembly 320 includes a power shaft 321 in transmission connection with the power assembly 310 and a stirring plate 322 fixedly connected with the power shaft 321 and extending radially along the power shaft 321, the power shaft 321 is coaxially arranged with the honeycomb dehumidification bed 210, and an acute angle is formed between the stirring plate 322 and the surface of the honeycomb dehumidification bed 210, when the power shaft 321 drives the stirring plate 322 to rotate, the stirring plate 322 scoops up the material, and the material falls down, which is beneficial to the full contact of the material with hot air and improves the drying effect;

[0034] In order to facilitate the dispersion of the material, in a further embodiment, a plurality of material dispersing convex strips 323 are arranged on the side of the stirring plate 322 away from the honeycomb dehumidification bed 210, when the material is scooped up, the material is impacted and dispersed by the material dispersing convex strips 323, which is beneficial to the contact of the material with hot air.

[0035] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all of them should be covered in the scope of claims of the present application.

Claims

1. A PE raw material pellet drying device characterized by comprising: The utility model relates to a kind of drying cylinder and its rotating stirring mechanism, including: Drying cylinder (1), the drying cylinder (1) axis is vertical, and bottom is provided with taper air inlet cavity (110), the air inlet cavity (110) is provided with porous flow dividing cone (120) in it; Dehumidification bed module (2), the dehumidification bed module (2) includes honeycomb dehumidification bed (210) being arranged above the porous flow dividing cone (120), vibration mechanism (220) being fixed on the inner wall of the drying cylinder (1) and being annular, the honeycomb dehumidification bed (210) is connected with the vibration mechanism (220) and is driven to vibrate by it; Rotary stirring mechanism (3), the rotary stirring mechanism (3) includes power assembly (310) being fixed in the top of the drying cylinder (1), stirring plate assembly (320) being transmission connection with the power assembly (310) and being arranged close to the surface of the honeycomb dehumidification bed (210).

2. The PE raw material particle drying device according to claim 1, characterized in that, The porous flow dividing cone (120) includes taper face plate (121) being coaxially fixed connection with the drying cylinder (1), flow dividing hole (122) being evenly arranged on the taper face plate (121).

3. The PE raw material particle drying device according to claim 2, characterized in that, The porous flow dividing cone (120) further includes uniform flow plate (123) being rotationally connected with the drying cylinder (1) and being located between the taper face plate (121) and the honeycomb dehumidification bed (210), the uniform flow plate (123) is provided with uniform flow hole (124), and the uniform flow plate (123) is connected with drive assembly (125) for driving rotation.

4. The PE raw material particle drying device according to claim 1, characterized in that, The vibration mechanism (220) includes annular base (221) being fixed connection with the drying cylinder (1), vibration seat (223) being connected with the annular base (221) by elastic member (222), and the vibration seat (223) is detachably provided with the honeycomb dehumidification bed (210) on it.

5. The PE raw material particle drying device according to claim 1, characterized in that, The honeycomb dehumidification bed (210) includes circular heat-conducting framework (211) being detachably connected with the vibration mechanism (220), a plurality of sector-shaped mounting holes (212) are provided on the heat-conducting framework (211), and sector-shaped honeycomb plate (213) is detachably connected in the mounting hole (212).

6. The PE raw material particle drying device according to claim 5, characterized in that, Uniformly distributed airflow holes (214) are provided on the heat-conducting framework (211).

7. The PE raw material particle drying device according to any one of claims 1-6, characterized in that, The stirring plate assembly (320) includes power shaft (321) being transmission connection with the power assembly (310), and stirring plate (322) being fixedly connected with the power shaft (321) and extending along the radial direction thereof, the power shaft (321) is coaxially arranged with the honeycomb dehumidification bed (210), and the stirring plate (322) and the surface of the honeycomb dehumidification bed (210) form an acute angle.

8. The PE raw material particle drying device according to claim 7, characterized in that, A plurality of material distribution protrusions (323) are provided on the side of the stirring plate (322) away from the honeycomb dehumidification bed (210).

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