Thermal insulation asphalt regeneration roller

Abstract

The utility model relates to a thermal insulation asphalt regeneration roller which comprises an outer roller body, the inner cylinder body is arranged in the outer cylinder body, a pair of end plates are arranged between the outer cylinder body and the inner cylinder body, and a material cavity is defined by the outer cylinder body, the inner cylinder body and the pair of end plates; the combustor is arranged at one end of the inner cylinder body and is communicated with the interior of the inner cylinder body; the sealing layer is arranged on the outer side of the outer barrel, and a high-temperature steam inlet pipeline and a high-temperature steam outlet pipeline are arranged on the sealing layer; and the thermal insulation layer is arranged outside the sealing layer. The outer cylinder wall is heated by high-temperature steam in the sealing layer, so that the outer cylinder wall is uniformly heated, the adhesion of material blocks on the inner wall surface of the outer cylinder body is reduced, the material blocks fall off, and the material sticking phenomenon is effectively prevented; in addition, through the heat preservation layer arranged on the outer wall of the outer cylinder body, a heat insulation barrier is formed, heat dissipation from the outside of the drying cylinder can be effectively reduced, the production efficiency and the product quality are guaranteed, energy is remarkably saved, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of asphalt recycling technology, specifically to an insulated asphalt recycling roller. Background Technology

[0002] Asphalt recycling involves sieving, heating, storing, and metering old asphalt mixtures removed from failed asphalt pavements, then adding them to the mixers of various asphalt mixing plants in different proportions. The mixtures are then uniformly mixed with the virgin material in the mixers to produce high-quality asphalt concrete.

[0003] In the asphalt recycling process, the asphalt recycling drum is one of the key pieces of equipment, responsible for heating the recycled wet material to a suitable temperature to remove moisture and other volatile substances. However, traditional asphalt recycling drums suffer from problems such as large heat loss, slow heating rate, and severe material sticking during the heating process, which affect production efficiency and product quality. Utility Model Content

[0004] The purpose of this utility model is to overcome at least one of the defects of the prior art and provide a heat-insulating asphalt recycling roller.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] A thermal insulation asphalt recycling roller, comprising:

[0007] outer cylinder;

[0008] An inner cylinder is disposed inside the outer cylinder, and a pair of end plates are provided between the outer cylinder and the inner cylinder. The outer cylinder, the inner cylinder, and the pair of end plates together form a material cavity.

[0009] A burner is disposed at one end of the inner cylinder and communicates with the interior of the inner cylinder.

[0010] A sealing layer is provided on the outside of the outer cylinder, and a high-temperature steam inlet pipe and a high-temperature steam outlet pipe are provided on the sealing layer.

[0011] An insulation layer is installed outside the sealing layer.

[0012] Furthermore, the asphalt recycling drum also includes a steam generating mechanism, which includes a steam generator, a condenser, and a water tank;

[0013] The high-temperature steam outlet pipeline is connected to the inlet of the condenser, the outlet of the condenser is connected to the inlet of the water tank, the outlet of the water tank is connected to the inlet of the steam generator, and the outlet of the steam generator is connected to the high-temperature steam inlet pipeline.

[0014] Furthermore, the water tank is equipped with an upper liquid level sensor and a lower liquid level sensor. When the liquid level in the water tank is lower than the lower liquid level sensor, water is injected into the water tank through an external pipeline until the liquid level reaches the upper liquid level sensor.

[0015] Furthermore, the insulation layer includes an aluminum foil layer and a rock wool layer arranged from the inside out.

[0016] Furthermore, a fastening member is provided around the rock wool layer and tightens the rock wool layer.

[0017] Furthermore, the thickness of the aluminum foil layer is less than the thickness of the rock wool layer.

[0018] Furthermore, multiple heat-conducting fins are arranged on the outer wall of the inner cylinder.

[0019] Furthermore, multiple heat-conducting fins are staggered on the outer wall of the inner cylinder.

[0020] Furthermore, the material chamber is provided with multiple temperature measuring points, and temperature sensors are installed at each temperature measuring point.

[0021] Furthermore, a decorative layer is also provided outside the insulation layer.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] (1) This utility model provides a heat-insulating asphalt recycling drum. The recycling drum heats the outer cylinder wall with high-temperature steam in the sealing layer, ensuring that the outer cylinder wall is heated evenly. This reduces the adhesion of material blocks on the inner wall of the outer cylinder and causes them to fall off, effectively preventing material sticking. In addition, this embodiment forms a heat insulation barrier by setting a heat insulation layer on the outer wall of the outer cylinder, which can effectively reduce heat loss from the outside of the drying drum. This not only ensures production efficiency and product quality, but also significantly saves energy and reduces production costs.

[0024] (2) This utility model provides a heat-insulating asphalt recycling roller. The aluminum foil layer of the recycling roller is made of aluminum. Aluminum has stable chemical properties and good corrosion resistance and waterproof performance. The rock wool layer is made of rock wool fiber and has heat insulation and fireproof performance that can block heat flow. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of an asphalt recycling roller designed to prevent material adhesion in the embodiment.

[0026] The numbers in the diagram indicate: 1-Heat-conducting fins; 2-Exhaust port; 3-Outer cylinder; 4-Inner cylinder; 5-Burner; 6-Temperature measuring point; 7-Discharge port; 8-Sealing layer; 9-Aluminum foil layer; 10-Rock wool layer; 11-Decorative layer; 12-Inlet; 13-Condenser; 14-Water tank; 15-Upper liquid level sensor; 16-Lower liquid level sensor; 17-Steam generator; 18-End plate; 19-Material chamber; 20-High-temperature steam inlet pipe; 21-High-temperature steam outlet pipe. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. These embodiments are implemented based on the technical solution of the present invention, providing detailed implementation methods and specific operating procedures. However, the scope of protection of the present invention is not limited to the following embodiments.

[0028] Example

[0029] This embodiment provides a heat-insulating asphalt recycling roller, see details below. Figure 1 ,include:

[0030] Outer cylinder 3;

[0031] An inner cylinder 4 is disposed inside the outer cylinder 3. A pair of end plates 18 are provided between the outer cylinder 3 and the inner cylinder 4. The outer cylinder 3, the inner cylinder 4 and the pair of end plates 18 together form a material cavity 19.

[0032] A burner 5 is disposed at one end of the inner cylinder 4 and communicates with the interior of the inner cylinder 4;

[0033] A sealing layer 8 is provided on the outside of the outer cylinder 3, and a high-temperature steam inlet pipe 20 and a high-temperature steam outlet pipe 21 are provided on the sealing layer 8.

[0034] An insulation layer disposed outside the sealing layer 8.

[0035] In this embodiment, the asphalt recycling drum further includes a steam generating mechanism, which includes a steam generator 17, a condenser 13, and a water tank 14;

[0036] The high-temperature steam outlet pipe 21 is connected to the inlet of the condenser 13, the outlet of the condenser 13 is connected to the inlet of the water tank 14, the outlet of the water tank 14 is connected to the inlet of the steam generator 17, and the outlet of the steam generator 17 is connected to the high-temperature steam inlet pipe 20.

[0037] In this embodiment, the water tank 14 is equipped with an upper liquid level sensor 15 and a lower liquid level sensor 16. When the liquid level in the water tank 14 is lower than the lower liquid level sensor 16, water is injected into the water tank 14 through an external pipeline until the liquid level reaches the upper liquid level sensor 15.

[0038] In this embodiment, the insulation layer includes an aluminum foil layer 9 and a rock wool layer 10 arranged from the inside out; a fastening member is provided around the rock wool layer 10 and tightens it; the thickness of the aluminum foil layer 9 is less than the thickness of the rock wool layer 10. The aluminum foil layer 9 is made of aluminum, which has stable chemical properties and good corrosion resistance and waterproofing. The rock wool layer 10 is made of rock wool fibers and has heat insulation and fire resistance properties that can block heat flow.

[0039] In this embodiment, a plurality of heat-conducting fins 1 are arranged on the outer side wall of the inner cylinder 4; the plurality of heat-conducting fins 1 are arranged alternately on the outer side wall of the inner cylinder 4.

[0040] In this embodiment, the material chamber 19 is provided with a plurality of temperature measuring points 6, and temperature sensors are provided at the temperature measuring points 6.

[0041] In this embodiment, a decorative layer 11 is also provided outside the insulation layer.

[0042] In practical application, the burner 5 is started, heating the material in the material chamber 19 through the inner cylinder 4 wall and multiple heat-conducting fins 1. Simultaneously, the inner cylinder 4 and outer cylinder 3 rotate continuously, causing the material to gradually move towards the discharge port 7. When the temperature at a certain temperature measuring point 6 is lower than the preset temperature, the steam generator 17 is started, introducing high-temperature steam into the sealing layer 8 through the high-temperature steam inlet pipe 20. The high-temperature steam flowing out through the high-temperature steam outlet pipe, after heat exchange, is condensed by the condenser and flows back into the water tank 14. The water tank 14 has an upper liquid level sensor 14 and a lower liquid level sensor 16. When the water level is lower than the lower liquid level sensor 16, water is introduced into the water tank 14 through the external pipe until the liquid level reaches the upper liquid level sensor 14. Throughout the asphalt recycling drum process, the insulation layer reduces heat loss. The aluminum foil layer 9 is made of aluminum, which has stable chemical properties and good corrosion resistance and waterproof performance. The rock wool layer 10 is made of rock wool fiber, which has heat insulation and fireproof properties that can block heat flow.

[0043] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A heat-insulating asphalt recycling roller, characterized in that, include: Outer cylinder (3); An inner cylinder (4) is disposed inside the outer cylinder (3). A pair of end plates (18) are provided between the outer cylinder (3) and the inner cylinder (4). The outer cylinder (3), the inner cylinder (4) and the pair of end plates (18) together form a material cavity (19). A burner (5) is disposed at one end of the inner cylinder (4) and communicates with the interior of the inner cylinder (4); A sealing layer (8) is provided on the outside of the outer cylinder (3), and a high-temperature steam inlet pipe (20) and a high-temperature steam outlet pipe (21) are provided on the sealing layer (8); An insulation layer disposed outside the sealing layer (8).

2. The insulated asphalt recycling drum according to claim 1, characterized in that, The asphalt recycling drum also includes a steam generating mechanism, which includes a steam generator (17), a condenser (13), and a water tank (14); The high-temperature steam outlet pipe (21) is connected to the inlet of the condenser (13), the outlet of the condenser (13) is connected to the inlet of the water tank (14), the outlet of the water tank (14) is connected to the inlet of the steam generator (17), and the outlet of the steam generator (17) is connected to the high-temperature steam inlet pipe (20).

3. The insulated asphalt recycling drum according to claim 2, characterized in that, The water tank (14) is equipped with an upper liquid level sensor (15) and a lower liquid level sensor (16). When the liquid level in the water tank (14) is lower than the lower liquid level sensor (16), water is injected into the water tank (14) through an external pipeline until the liquid level reaches the upper liquid level sensor (15).

4. The insulated asphalt recycling drum according to claim 1, characterized in that, The insulation layer includes an aluminum foil layer (9) and a rock wool layer (10) arranged from the inside out.

5. A heat-insulating asphalt recycling roller according to claim 4, characterized in that, The rock wool layer (10) is provided with a fastening member that surrounds the rock wool layer (10) and tightens the rock wool layer (10).

6. The insulated asphalt recycling drum according to claim 4, characterized in that, The thickness of the aluminum foil layer (9) is less than the thickness of the rock wool layer (10).

7. The insulated asphalt recycling drum according to claim 1, characterized in that, Multiple heat-conducting fins (1) are arranged on the outer wall of the inner cylinder (4).

8. A thermal insulation asphalt recycling roller according to claim 7, characterized in that, Multiple heat-conducting fins (1) are staggered on the outer side wall of the inner cylinder (4).

9. A thermal insulation asphalt recycling roller according to claim 1, characterized in that, The material chamber (19) is provided with multiple temperature measuring points (6), and a temperature sensor is provided at each temperature measuring point (6).

10. A thermal insulation asphalt recycling roller according to claim 1, characterized in that, A decorative layer (11) is also provided outside the insulation layer.

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