CN216338839U

CN216338839U - Pitch heating device for highway construction

Info

Publication number: CN216338839U
Application number: CN202123000679.9U
Authority: CN
Inventors: 汪毅; 余艳; 王瑞丽; 李佳; 樊书增
Original assignee: Henan Zhongzhou Highway Engineering Co ltd
Current assignee: Henan Zhongzhou Highway Engineering Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model belongs to the technical field of pitch heating device and specifically relates to a pitch heating device is used in highway construction is related to, it including a jar body, along vertical direction rotate connect in jar internal axis of rotation, fixed connection in auger blade, the fixed mounting of axis of rotation in jar external wall top surface just connect in the driving motor of axis of rotation, jar internal portion of side wall has seted up thermal-insulated chamber, thermal-insulated intracavity is equipped with the heater strip, jar body top and bottom are equipped with charge-in pipeline and ejection of compact pipeline respectively. This application has the effect that promotes pitch and prevents the efficiency of condensing.

Description

Pitch heating device for highway construction

Technical Field

The application relates to the field of asphalt heating devices, in particular to an asphalt heating device for highway construction.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material. The asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking. Petroleum pitch is the residue of crude oil distillation. Natural bitumen is stored underground, and some forms a mineral layer or is accumulated on the surface of the crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like.

When the asphalt is used for road construction, the asphalt needs to be heated and stirred to prevent the asphalt from being agglomerated, so that the asphalt cannot be used and resources are wasted. In order to prevent the coagulation of asphalt, the conventional asphalt heating device is usually provided with stirring mechanisms inside the device, most of the stirring mechanisms horizontally stir the asphalt, and the driven asphalt is limited to flow in a small range, so that the coagulation prevention efficiency is not high.

Disclosure of Invention

In order to promote the anti-coagulation efficiency of pitch, this application provides a pitch heating device for highway construction.

The application provides a pair of pitch heating device for highway construction adopts following technical scheme:

the utility model provides an asphalt heating device for highway construction, including a jar body, along vertical direction rotate connect in jar internal axis of rotation, fixed connection in auger blade, the fixed mounting of axis of rotation in jar external wall top surface and connect in the driving motor of axis of rotation, the thermal-insulated chamber has been seted up to jar side wall inside, the thermal-insulated intracavity is equipped with the heater strip, jar body top and bottom are equipped with charge-in pipeline and ejection of compact pipeline respectively.

Preferably, the thermal-insulated chamber is along winding jar body circumference is cyclic annular extension, the heater strip is in the thermal-insulated intracavity wind jar body circumference is the heliciform and extends.

Preferably, the side wall of the heat insulation cavity close to the tank body is provided with a heat conduction layer, and the side wall of the heat insulation cavity far away from the tank body is provided with a heat insulation layer.

Preferably, the internal guide sleeve who locates along vertical direction setting and cover of jar the auger blade outside that is equipped with, the guide sleeve outer wall with jar internal wall is the interval setting, the guide sleeve inner wall with be the interval setting between the auger blade outer fringe, just the guide sleeve with all be the interval setting between jar internal wall top surface and the bottom surface.

Preferably, a plurality of bracing pieces are fixedly connected between the guide sleeves and between the inner walls of the tank body, and the bracing pieces are wound around the circumferential direction of the guide sleeves and are arranged spirally.

Preferably, a plurality of uniformly distributed leakage holes are formed in the screw blade.

Preferably, the outer edge of the top surface of the inner wall of the tank body is a round angle, and the outer edge of the bottom surface of the inner wall of the tank body is a round angle.

Preferably, the first solid fixed ring of jar internal wall top surface fixedly connected with, first solid fixed ring external diameter reduces from top to bottom gradually, the solid fixed ring of jar internal wall bottom surface fixedly connected with second, the solid fixed ring external diameter of second reduces by supreme down gradually, the axis of rotation both ends rotate respectively connect in first solid fixed ring and the solid fixed ring of second.

Preferably, the bottom of the tank body is provided with universal wheels.

In summary, the present application includes at least one of the following beneficial technical effects:

1. under the matching of the tank body, the rotating shaft, the auger blades, the driving motor and the guide sleeve, when asphalt is heated, the driving motor is started, the driving motor drives the auger blades to rotate through the rotating shaft so as to guide the asphalt in the fixed sleeve in the vertical direction, and the asphalt in the tank body circularly flows at the inner side and the outer side of the fixed sleeve;

2. the auger blade is provided with the leakage hole, so that when the drive motor drives the auger blade to rotate through the rotating shaft, the resistance of asphalt to the auger blade is reduced, and the service life of the auger blade is prolonged;

3. set up to the fillet through the edge with jar internal side to the solid fixed ring of cooperation first and second makes pitch at the circulation flow in-process, leads pitch through the solid fixed ring outer wall of fillet, first solid fixed ring and second, reduces the power loss of pitch at the flow in-process, promotes the circulation efficiency of pitch.

Drawings

Fig. 1 is an overall sectional view of the present embodiment.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a tank body; 2. a rotating shaft; 3. a screw blade; 4. a drive motor; 5. a feed conduit; 6. a discharge pipeline; 7. a universal wheel; 8. a thermally insulating cavity; 9. a heat conductive layer; 10. a thermal insulation layer; 11. heating wires; 12. a guide sleeve; 13. a support bar; 14. a leak hole; 15. a first retaining ring; 16. a second retaining ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses pitch heating device for highway construction. Referring to fig. 1 and 2, the asphalt heating device for highway construction comprises a tank body 1, a rotating shaft 2 rotatably connected in the tank body 1 along the vertical direction, auger blades 3 fixedly connected to the rotating shaft 2, and a driving motor 4 fixedly installed on the top surface of the outer wall of the tank body 1 and connected to the rotating shaft 2, wherein the top and the bottom of the tank body 1 are respectively provided with a feeding pipeline 5 and a discharging pipeline 6, and the bottom of the tank body 1 is also provided with a plurality of universal wheels 7.

The heat insulation chamber 8 has been seted up to 1 lateral wall of the jar body inside, and the heat insulation chamber 8 is cyclic annular extension along being around 1 circumference of the jar body, and the lateral wall that the heat insulation chamber 8 is close to 1 inside of the jar body is equipped with the heat-conducting layer 9, and the lateral wall that 1 inside of the jar body was kept away from in the heat insulation chamber 8 is equipped with insulating layer 10, and is equipped with heater strip 11 in the heat insulation chamber 8, and heater strip 11 is the heliciform extension around 1 circumference of the jar body in heat insulation chamber 8.

The internal guide sleeve 12 that locates the auger blade 3 outside along vertical direction setting and cover that is equipped with of jar, a plurality of bracing pieces of fixedly connected with 13 between the guide sleeve 12 and between the 1 inner wall of jar body, and a plurality of bracing pieces 13 are the heliciform around guide sleeve 12 circumference and arrange, guide sleeve 12 outer wall is the interval setting with the 1 inner wall of jar body, be the interval setting between guide sleeve 12 inner wall and the 3 outer fringe of auger blade, and all be the interval setting between guide sleeve 12 and the 1 inner wall top surface of jar body and the bottom surface, the small opening 14 of a plurality of equipartitions has been seted up on the auger blade 3, make driving motor 4 when driving auger blade 3 through axis of rotation 2 and rotate, reduce the resistance that pitch pair twist auger blade 3 produced, thereby promote auger blade 3's life.

The outer fringe department of the 1 inner wall top surface of the jar body sets up to the fillet, and the outer fringe department of the 1 inner wall bottom surface of the jar body sets up to the fillet, and the first solid fixed ring 15 of the 1 inner wall top surface fixedly connected with of the jar body, the 15 external diameters of first solid fixed ring from top to bottom reduce gradually, and the solid fixed ring 16 of the 1 inner wall bottom surface fixedly connected with second of the jar body, the solid fixed ring 16 external diameter of second reduce gradually by supreme down, and 2 both ends of axis of rotation rotate respectively connect in the solid fixed ring 16 of first solid fixed ring 15 and second.

Set up the edge of the jar body 1 inboard into the fillet to the solid fixed ring of cooperation first 15 and the solid fixed ring of second 16 make pitch flow the in-process at the circulation, lead pitch through fillet, the solid fixed ring of first 15 and the solid fixed ring of second 16 outer walls, reduce pitch power loss at the flow in-process, promote the circulation efficiency of pitch.

The implementation principle of the asphalt heating device for highway construction in the embodiment of the application is as follows:

when heating pitch, through starting driving motor 4, make driving motor 4 drive auger blade 3 through axis of rotation 2 and rotate, in order to lead the pitch that is located fixed sleeve in vertical direction, and make the pitch of jar body 1 internal carry out the circulation flow in fixed sleeve inboard and outside, when pitch between 1 inner wall of jar body and fixed sleeve outer wall, heat through heater strip 11, in order to reduce the condition that pitch takes place to condense, promote pitch prevent condensing efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pitch heating device for highway construction which characterized in that: including a jar body (1), rotate along vertical direction connect in axis of rotation (2), fixed connection in the jar body (1) in axis of rotation (2) auger blade (3), fixed mounting in jar body (1) outer wall top surface and connect in the driving motor (4) of axis of rotation (2), jar body (1) lateral wall is inside to have seted up thermal-insulated chamber (8), be equipped with heater strip (11) in thermal-insulated chamber (8), jar body (1) top and bottom are equipped with charge-in pipeline (5) and ejection of compact pipeline (6) respectively.

2. The asphalt heating apparatus for road construction according to claim 1, wherein: thermal-insulated chamber (8) are along winding jar body (1) circumference is cyclic annular extension, heater strip (11) are in wind in thermal-insulated chamber (8) jar body (1) circumference is the heliciform and extends.

3. The asphalt heating apparatus for road construction according to claim 2, wherein: the heat insulation cavity (8) is close to the side wall inside the tank body (1) and is provided with a heat conduction layer (9), and the heat insulation cavity (8) is far away from the side wall inside the tank body (1) and is provided with a heat insulation layer (10).

4. The asphalt heating apparatus for road construction according to claim 1, wherein: be equipped with in jar body (1) and locate along vertical direction setting and cover guide sleeve (12) in the auger blade (3) outside, guide sleeve (12) outer wall with jar body (1) inner wall is the interval setting, guide sleeve (12) inner wall with be the interval setting between auger blade (3) outer fringe, just guide sleeve (12) with all be the interval setting between jar body (1) inner wall top surface and the bottom surface.

5. The asphalt heating apparatus for road construction according to claim 4, wherein: a plurality of bracing pieces (13) are fixedly connected between the guide sleeves (12) and between the inner walls of the tank body (1), and the bracing pieces (13) are wound around the guide sleeves (12) are arranged in a spiral shape along the circumferential direction.

6. The asphalt heating apparatus for road construction according to claim 4, wherein: the auger blade (3) is provided with a plurality of uniformly distributed leak holes (14).

7. The asphalt heating apparatus for road construction according to claim 1, wherein: the tank body (1) is characterized in that the outer edge of the top surface of the inner wall of the tank body (1) is a round angle, and the outer edge of the bottom surface of the inner wall of the tank body (1) is a round angle.

8. The asphalt heating apparatus for road construction according to claim 7, wherein: the jar body (1) inner wall top surface fixedly connected with first solid fixed ring (15), first solid fixed ring (15) external diameter from top to bottom reduces gradually, jar body (1) inner wall bottom surface fixedly connected with second solid fixed ring (16), the solid fixed ring of second (16) external diameter is by supreme reducing gradually down, axis of rotation (2) both ends rotate respectively connect in first solid fixed ring (15) and the solid fixed ring of second (16).

9. The asphalt heating apparatus for road construction according to claim 1, wherein: the bottom of the tank body (1) is provided with universal wheels (7).