Rapid melting device for solid asphalt

Abstract

The utility model relates to the technical field of asphalt production, in particular to a solid asphalt rapid melting device which comprises a melting tank and a heat-conducting oil furnace, a heating layer is arranged on the inner side wall of the melting tank, a heat-conducting oil pipe is spirally arranged in the heating layer, and the heat-conducting oil pipe penetrates through the side wall of the melting tank to be communicated with the heat-conducting oil furnace. A preheating tank is communicated with the top of the melting tank, a feeding port is formed in the top of the preheating tank, a heating shaft is fixedly connected into the preheating tank, an electric tracing band is arranged in the heating shaft, spiral blades are fixedly connected to the periphery of the heating shaft, an air inlet pipe and an air outlet pipe are connected to the top of the melting tank, and the air outlet pipe is communicated with the air inlet end of an induced draft fan. The air outlet end of the induced draft fan communicates with the input end of the drying box. A large amount of water vapor in the tank can be extracted through the induced draft fan and is dried by the drying box and then discharged back to the melting tank, so that the melting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen production technical field, concretely is a kind of solid bitumen quick melting device. BACKGROUND

[0002] Bitumen is a kind of organic compound mixture with extensive application value, plays an important role in road construction, waterproof engineering, anticorrosion treatment and other fields, for the convenience of storage, it is often stored in solid form, in actual use, for the consideration of improving bitumen quality, improving construction performance, adjusting performance index, promoting mixture uniformity and facilitating storage and transportation and so on, it needs to be used after melting. When solid bitumen is melted, a large amount of water vapor is generated, the existence of these water vapor can reduce the melting efficiency of bitumen, increase the energy consumption generated in the melting process, at the same time, the water vapor that cannot be discharged in bitumen can cause the quality of bitumen to decrease, affect its strength and durability, the existing bitumen melting device cannot timely and completely discharge a large amount of water vapor generated in the melting process, the melting speed is slow, the energy consumption generated in the melting process is large, therefore, a solid bitumen melting device capable of timely discharging a large amount of water vapor generated in the melting process of solid bitumen and fast melting speed needs to be developed. SUMMARY

[0003] In view of the above technical problems, the utility model provides a kind of solid bitumen melting device capable of timely discharging a large amount of water vapor generated in the melting process of solid bitumen and fast melting speed to solve the problem that the water vapor discharge of existing solid bitumen melting device is not sufficient and affects the melting efficiency.

[0004] To solve the above technical problems, a kind of solid bitumen quick melting device of the utility model, including melting tank, heat conducting oil furnace, the lower part of the melting tank is fixedly connected with supporting leg, the bottom is provided with discharge port, the inner side wall of the melting tank is provided with heating layer, the heat conducting oil pipe is spirally arranged in the heating layer, the heat conducting oil pipe penetrates the side wall of the melting tank and is communicated with the heat conducting oil furnace, the stirring assembly is arranged in the melting tank, the preheating tank is communicated with the top of the melting tank, the preheating tank top is provided with feed inlet, the heating shaft is fixedly connected in the preheating tank, the electric heat tracing band is arranged in the heating shaft, the spiral blade is fixedly connected around the heating shaft, the air inlet pipe and the air outlet pipe are connected to the top of the melting tank, the air outlet pipe is communicated with the air inlet end of induced draft fan, the air outlet end of induced draft fan is communicated with the input end of drying box, the output end of drying box is communicated with the air inlet pipe.

[0005] Further, the stirring assembly includes motor and stirring paddle, the motor is fixedly connected to the top of the melting tank, and the motor output end penetrates the top of the melting tank, extends to the inside of the melting tank and is fixedly connected with the stirring paddle.

[0006] Further, the discharge port is fixedly connected with valve.

[0007] Further, the drying box is filled with desiccant.

[0008] Further, the bottom of the melting tank is funnel-shaped.

[0009] Further, the heat conducting oil pipe inlet end communicates with the heat conducting oil furnace outlet end, and the heat conducting oil pipe outlet end communicates with the heat conducting oil furnace inlet end.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The utility model discloses a melting tank for solid bitumen, which comprises a melting tank, a heat conducting oil furnace, a heat conducting oil pipe, a stirring assembly, a preheating tank, an air inlet pipe, an air outlet pipe and an air draught fan. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a sectional view of the utility model.

[0013] In the drawing: 1, melting tank, 2, heat conducting oil furnace, 3, heat conducting oil pipe, 4, stirring assembly, 401, motor, 402, stirring paddle, 5, preheating tank, 6, discharge port, 7, heating shaft, 8, spiral blade, 9, air inlet pipe, 10, air outlet pipe, 11, air draught fan, 12, drying box, 13, supporting leg, 14, feed inlet, 15, valve. DETAILED DESCRIPTION

[0014] The utility model will be further explained in connection with the drawings.

[0015] As Figure 1The device for rapidly melting solid asphalt shown in the embodiment comprises a melting tank 1, a heat conducting oil furnace 2, a leg 13 fixedly connected to the lower part of the melting tank 1, a discharge port 6 provided in the bottom of the melting tank 1, a heating layer provided on the inner side wall of the melting tank 1, a heat conducting oil pipe 3 spirally provided in the heating layer, the heat conducting oil pipe 3 penetrating through the side wall of the melting tank 1 and being in communication with the heat conducting oil furnace 2, a stirring assembly 4 provided in the melting tank 1, a preheating tank 5 in communication with the top of the melting tank 1, an inlet port 14 provided in the top of the preheating tank 5, a heating shaft 7 fixedly connected to the preheating tank 5, an electric heat tracing band provided in the heating shaft 7, a spiral blade 8 fixedly connected to the periphery of the heating shaft 7, an air inlet pipe 9 connected to the top of the melting tank 1, an air outlet pipe 10, the air outlet pipe 10 being in communication with the air inlet end of an induced draft fan 11, the air outlet end of the induced draft fan 11 being in communication with the input end of a drying box 12, and the output end of the drying box 12 being in communication with the air inlet pipe 9.

[0016] In order to accelerate the melting speed of asphalt in the tank and discharge the internal bubbles, the stirring assembly 4 comprises a motor 401 and a stirring paddle 402, the motor 401 being fixedly connected to the top of the melting tank 1, and the output end of the motor 401 extending to the inside of the melting tank 1 through the top of the melting tank 1 and being fixedly connected to the stirring paddle 402.

[0017] In order to control the discharge amount and speed, the discharge port 6 is fixedly connected with a valve 15.

[0018] In order to effectively dry the gas extracted by the induced draft fan, the drying box 12 is filled with a drying agent.

[0019] In order to facilitate the discharge of materials, the bottom of the melting tank 1 is funnel-shaped.

[0020] In order to ensure the stability of the heating process, the oil inlet end of the heat conducting oil pipe 3 is in communication with the output end of the heat conducting oil furnace 2, and the oil outlet end of the heat conducting oil pipe 3 is in communication with the input end of the heat conducting oil furnace 2.

[0021] It should be noted that, in the embodiment, the electric heat tracing band and the heat conducting oil furnace 2 are existing devices, and the specific structures will not be described in detail.

[0022] The working process of the embodiment is as follows:

[0023] First, the electric heat tracing band power preheating tank 5 heating, using the heat transfer oil furnace 2 through the heat transfer oil pipe 3 to the melting tank heating, through the feed inlet 14 to the preheating tank 5 into the broken asphalt pieces, part of the asphalt pieces melt, with the unmelted solid asphalt through the preheating tank 5 in the spiral blade 8 through the preheating tank 5 discharge end into the melting tank 1, start the motor 401 drive stirring paddle 402 to the asphalt solid-liquid mixture in the melting tank 1 is stirred to make it quickly melt, the stirring process start induced draft fan 11 to extract asphalt melting process produces a large amount of water vapor, water vapor through the induced draft fan 11 flow through the drying box 12, after drying box 12 drying after the high temperature gas through the air inlet pipe 9 back to the melting tank, promote the melting of asphalt, melting tank 1 in the asphalt completely melted, open the discharge outlet 6 on the fixed valve 15, it can be discharged.

Claims

1. A solid asphalt rapid melting device, comprising a melting tank (1) and a thermal oil furnace (2), wherein the lower portion of the melting tank (1) is fixedly connected to a support leg (13), and a discharge port (6) is provided at the bottom, the inner side wall of the melting tank (1) is provided with a heating layer, a thermal oil pipe (3) is spirally provided in the heating layer, the thermal oil pipe (3) passes through the side wall of the melting tank (1) and is connected to the thermal oil furnace (2), and a stirring component (4) is provided in the melting tank (1), characterized in that: The top of the melting tank (1) is communicated with a preheating tank (5), the top of the preheating tank (5) is provided with a feeding port (14), the preheating tank (5) is fixedly connected with a heating shaft (7), the heating shaft (7) is provided with an electric heating band, the heating shaft (7) is fixedly connected with spiral blades (8) around, the top of the melting tank (1) is connected with an air inlet pipe (9) and an air outlet pipe (10), the air outlet pipe (10) is communicated with the air inlet end of an induced draft fan (11), the air outlet end of the induced draft fan (11) is communicated with the input end of a drying box (12), and the output end of the drying box (12) is communicated with the air inlet pipe (9).

2. The solid pitch rapid melting device according to claim 1, characterized in that: The stirring assembly (4) comprises a motor (401) and a stirring paddle (402), the motor (401) is fixedly connected to the top of the melting tank (1), the output end of the motor (401) extends to the inside of the melting tank (1) through the top of the melting tank (1) and is fixedly connected with the stirring paddle (402).

3. The solid pitch rapid melting device of claim 1, wherein: The discharge port (6) is fixedly connected with a valve (15).

4. The solid pitch rapid melting apparatus according to claim 1, characterized by: The drying box (12) is filled with a drying agent.

5. The solid bitumen rapid melting device of claim 1, wherein: The bottom of the melting tank (1) is funnel-shaped.

6. The solid bitumen rapid melting device of claim 1, wherein: The oil inlet end of the heat conducting oil pipe (3) is communicated with the output end of the heat conducting oil furnace (2), and the oil outlet end of the heat conducting oil pipe (3) is communicated with the input end of the heat conducting oil furnace (2).

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