Horizontal tank asphalt production device with multi-connected mixer

Abstract

The utility model relates to the related technical field of asphalt production, in particular to a horizontal tank asphalt production device with a multi-connected mixer, which comprises a horizontal tank main body, a mixing mechanism is arranged on one side of the surface of the horizontal tank main body, and a stirring mechanism is arranged at one end of the horizontal tank main body. According to the horizontal tank asphalt production device with the multi-connected mixer, through the arrangement of the mixing mechanism, a first motor is started, matrix asphalt enters the multi-connected mixer through a matrix asphalt inlet and is pushed towards the left side through a screw, rubber powder enters the mixer through a rubber powder inlet and is mixed with the matrix asphalt, and the rubber powder is gradually and uniformly mixed through a third mixer, a second mixer and a first mixer; the rubber asphalt is conveyed to the rubber asphalt outlet and is sequentially connected with the four cavities, so that the mixing uniformity and sufficiency are ensured, meanwhile, a three-way valve is mounted at an outlet of the rubber asphalt outlet, and the mixed rubber asphalt can enter the stirring cavity through a straight-through pipeline of the three-way valve and can also enter the asphalt filter along another pipeline after the three-way valve is reversed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the asphalt production related technical field especially relates to a horizontal tank asphalt production device with multiple mixer. BACKGROUND

[0002] China's highway industry, as an important part of the modern transportation system, is undergoing unprecedented changes and development. This huge network not only improves the convenience of transportation, but also greatly promotes the economic development of the areas along the line. China's highway industry will usher in a broader development prospect. With the continuous progress of technology and the continuous support of policy, the highway industry will realize intelligent, green and efficient upgrading.

[0003] China produces a large amount of waste tires every year. In 2016, China produced 300 million waste tires, but the recycling rate was only about 50%, causing huge resource waste. Using waste rubber for road paving is a good way to deal with waste tires. Therefore, there is an urgent need for a horizontal tank asphalt production device with multiple mixers.

[0004] However, the existing horizontal tank asphalt production device with multiple mixers has the best mixing temperature of rubber powder and base asphalt of 195°~210°, and the best mixing temperature of SBS and asphalt of 160°~175°. If rubber powder and SBS are added to base asphalt at the same time, it will cause asphalt aging and hardening, and thus seriously affect its performance. How to add to ensure that SBS and rubber powder are stable and not separated in asphalt, and get excellent performance of SBS composite rubber modified asphalt. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a horizontal tank asphalt production device with multiple mixers to solve the problem of the existing horizontal tank asphalt production device with multiple mixers in the background art, which has the best mixing temperature of rubber powder and base asphalt of 195°~210°, and the best mixing temperature of SBS and asphalt of 160°~175°. If rubber powder and SBS are added to base asphalt at the same time, it will cause asphalt aging and hardening, and thus seriously affect its performance. How to add to ensure that SBS and rubber powder are stable and not separated in asphalt, and get excellent performance of SBS composite rubber modified asphalt.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a horizontal tank asphalt production device with multiple mixers, comprising a horizontal tank main body, a mixing mechanism is arranged on one side of the surface of the horizontal tank main body, and a stirring mechanism is arranged at one end of the horizontal tank main body.

[0007] The mixing mechanism comprises a support frame, a rubber asphalt outlet, a first spiral cavity, a three-way valve, a second spiral cavity, a third spiral cavity, a fourth spiral cavity, a first motor, a rubber powder inlet and a matrix asphalt inlet, one side of the surface of the horizontal tank body is fixedly connected with the support frame, one side of the horizontal tank body is connected with the rubber asphalt outlet, the other side of the support frame is connected with the first spiral cavity, the surface of the rubber asphalt outlet is provided with the three-way valve, the other side of the first spiral cavity is communicated with the second spiral cavity, the other side of the second spiral cavity is communicated with the third spiral cavity, the other side of the third spiral cavity is communicated with the fourth spiral cavity, one side of the fourth spiral cavity is connected with the first motor, one side of the surface of the fourth spiral cavity is provided with the rubber powder inlet, and one side of the surface of the fourth spiral cavity is provided with the matrix asphalt inlet.

[0008] Preferably, the other side of the rubber asphalt outlet is communicated with the first spiral cavity, and the rubber asphalt outlet realizes rapid closing through the three-way valve.

[0009] Preferably, one side of the second spiral cavity, the third spiral cavity and the fourth spiral cavity is also provided with the first motor, and the spiral pushing directions between the first spiral cavity and the second spiral cavity are opposite.

[0010] Preferably, the spiral pushing directions between the second spiral cavity and the third spiral cavity are opposite, and the spiral pushing directions between the third spiral cavity and the fourth spiral cavity are opposite.

[0011] Preferably, the rubber powder inlet is arranged at the spiral tail of the fourth spiral cavity, and the matrix asphalt inlet is arranged at the head of the fourth spiral cavity.

[0012] Preferably, the first spiral cavity, the second spiral cavity, the third spiral cavity and the fourth spiral cavity are connected with each other through the support frame.

[0013] Preferably, the stirring mechanism comprises a stirring cavity, a second motor, a stabilizer inlet, an SBS inlet, an outlet butterfly valve, a horizontal tank stirrer, an asphalt filter, a feeding pump, a colloid mill and a colloid mill outlet, one side of the horizontal tank body is provided with the stirring cavity, one side of the surface of the horizontal tank body is provided with the second motor, one side of the stirring cavity is provided with the stabilizer inlet, one side of the stirring cavity is provided with the SBS inlet, one end of the stirring cavity is connected with the outlet butterfly valve, the output end of the second motor is connected with the horizontal tank stirrer, the other side of the outlet butterfly valve is provided with the asphalt filter, the other side of the asphalt filter is provided with the feeding pump, one end of the feeding pump is provided with the colloid mill, and the other side of the colloid mill is connected with the colloid mill outlet.

[0014] Preferably, the horizontal tank stirrer is arranged inside the stirring cavity, and the horizontal tank stirrer and the stirring cavity constitute a mutual rotating structure through a second motor.

[0015] Preferably, one side of the rubber asphalt outlet is connected with the stirring cavity, and the main body of the feeding pump is mounted on the horizontal tank main body.

[0016] Preferably, the main body of the colloid mill is also mounted on the horizontal tank main body, and the other side of the three-way valve is connected with an asphalt filter.

[0017] Compared with the prior art, the horizontal tank asphalt production device with a multi-connection mixer has the following beneficial effects: through the arrangement of the mixing mechanism and the stirring mechanism, the mixing mechanism is matched with simple parts, rubber powder is added in base asphalt, and the rubber powder and the base asphalt are fully fused; the stirring mechanism adds other modifiers, such as SBS and stabilizers, so that the SBS and the stabilizers are not separated in the asphalt, and excellent SBS composite rubber modified asphalt is obtained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a top view structural schematic diagram of the utility model;

[0020] Figure 3 It is a right view structural schematic diagram of the utility model;

[0021] Figure 4 It is a front view structural schematic diagram of the utility model Figure 1 It is an enlarged structural schematic diagram of A in the utility model;

[0022] Figure 5 It is an enlarged structural schematic diagram of B in the utility model Figure 1 .

[0023] In the drawing: 1, horizontal tank main body; 2, mixing mechanism; 201, support frame; 202, rubber asphalt outlet; 203, first connection spiral cavity; 204, three-way valve; 205, second connection spiral cavity; 206, third connection spiral cavity; 207, fourth connection spiral cavity; 208, first motor; 209, rubber powder inlet; 210, base asphalt inlet; 3, stirring mechanism; 301, stirring cavity; 302, second motor; 303, stabilizer inlet; 304, SBS inlet; 305, outlet butterfly valve; 306, horizontal tank stirrer; 307, asphalt filter; 308, feeding pump; 309, colloid mill; 310, colloid mill outlet. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of horizontal tank asphalt production device with multiple mixer, including horizontal tank main body 1, the surface one side of horizontal tank main body 1 is provided with mixing mechanism 2, and one end of horizontal tank main body 1 is provided with stirring mechanism 3;

[0026] The mixing mechanism 2 comprises a support frame 201, a rubber asphalt outlet 202, a first spiral cavity 203, a three-way valve 204, a second spiral cavity 205, a third spiral cavity 206, a fourth spiral cavity 207, a first motor 208, a rubber powder inlet 209, and a matrix asphalt inlet 210. The support frame 201 is fixedly connected to the surface of one side of the horizontal tank body 1. The rubber asphalt outlet 202 is connected to one side of the horizontal tank body 1. The other side of the support frame 201 is connected to the first spiral cavity 203. The surface of the rubber asphalt outlet 202 is provided with the three-way valve 204. The other side of the first spiral cavity 203 is connected to the second spiral cavity 205. The other side of the second spiral cavity 205 is connected to the third spiral cavity 206. The other side of the third spiral cavity 206 is connected to the fourth spiral cavity 207. One side of the fourth spiral cavity 207 is connected to the first motor 208. The surface of the fourth spiral cavity 207 is provided with the rubber powder inlet 209. The surface of the fourth spiral cavity 207 is provided with the matrix asphalt inlet 210. Through the arrangement of the support frame 201, the rubber asphalt outlet 202, the first spiral cavity 203, the three-way valve 204, the second spiral cavity 205, the third spiral cavity 206, the fourth spiral cavity 207, the first motor 208, the rubber powder inlet 209, and the matrix asphalt inlet 210, in use, the first motor 208 is started. The matrix asphalt enters the multi-connection mixer through the fourth connection right matrix asphalt inlet 210 located at the uppermost position, and is pushed to the left by the spiral. The rubber powder enters the mixer through the rubber powder inlet 209 located at the tail of the fourth connection, mixes with the matrix asphalt, and is gradually mixed uniformly through the third, second, and first, and is transported to the rubber asphalt outlet 202 at the tail of the first connection. The four connection cavities are connected in sequence. The spiral pushing direction in each cavity is alternately opposite, which ensures the uniformity and sufficiency of the mixing. At the same time, the rubber asphalt outlet 202 is provided with the three-way valve 204. The mixed rubber asphalt can enter the stirring cavity 301 through the straight pipeline of the three-way valve 204, or can enter the asphalt filter 307 through another pipeline after the three-way valve 204 changes direction.

[0027] Further, the other side of the rubber asphalt outlet 202 is connected to the first spiral cavity 203. The rubber asphalt outlet 202 is quickly closed through the three-way valve 204. Through the arrangement of the three-way valve 204, the three-way valve 204 connects the rubber asphalt outlet 202, the first spiral cavity 203, and the asphalt filter 307. Whether the material enters the subsequent spiral cavity can be controlled according to the needs. By switching the channel of the three-way valve 204, the material can be directly discharged or continue to enter the mixing process, which flexibly meets different operation needs.

[0028] Further, the first motor 208 is also arranged on one side of the second spiral cavity 205, the third spiral cavity 206 and the fourth spiral cavity 207. The spiral pushing directions of the first spiral cavity 203 and the second spiral cavity 205 are opposite. The first motor 208 is mainly responsible for driving the rotation of the first spiral cavity 203, the second spiral cavity 205, the third spiral cavity 206 and the fourth spiral cavity 207. The motor drives the spiral device to rotate along the cavity axis, pushes the materials to flow and mix between different cavities, and realizes effective pushing effect.

[0029] Further, the spiral pushing directions of the second spiral cavity 205 and the third spiral cavity 206 are opposite, and the spiral pushing directions of the third spiral cavity 206 and the fourth spiral cavity 207 are opposite. Through the arrangement of the second spiral cavity 205, the third spiral cavity 206 and the fourth spiral cavity 207, and the arrangement of multiple groups of different cavities, the materials are fully stirred, so as to improve the mixing efficiency of asphalt and facilitate the next work.

[0030] Further, the rubber powder inlet 209 is arranged at the spiral tail of the fourth spiral cavity 207, and the base asphalt inlet 210 is arranged at the head of the fourth spiral cavity 207. Through the arrangement of the rubber powder inlet 209 and the base asphalt inlet 210, the rubber powder inlet 209 is located at the spiral tail of the fourth spiral cavity 207, which mainly functions to add rubber powder into the mixing system. The rubber powder is usually used to modify asphalt, so as to make it have better elasticity, crack resistance and durability. The base asphalt inlet 210 is located at the front of the fourth spiral cavity 207, which mainly functions to introduce base asphalt (usually unmodified asphalt) into the system to provide basic raw materials for the production of rubber asphalt.

[0031] Further, the first spiral cavity 203, the second spiral cavity 205, the third spiral cavity 206 and the fourth spiral cavity 207 are connected to each other through the support frame 201. Through the arrangement of the support frame 201, the support frame 201 is mainly used to support and fix multiple components in the whole mixing and stirring system, such as spiral cavities, motors, inlets and outlets, etc., to ensure their stable operation in the working process. By connecting each part, the support frame 201 maintains the relative position of each part, preventing equipment displacement or loosening caused by vibration or external force interference during operation.

[0032] Further, the stirring mechanism 3 comprises a stirring cavity 301, a second motor 302, a stabilizer inlet 303, an SBS inlet 304, an outlet butterfly valve 305, a horizontal tank stirrer 306, an asphalt filter 307, a feeding pump 308, a colloid mill 309 and a colloid mill outlet 310. One side of the horizontal tank body 1 is provided with the stirring cavity 301, and the surface of the horizontal tank body 1 is provided with the second motor 302. One side of the stirring cavity 301 is provided with the stabilizer inlet 303, and one side of the stirring cavity 301 is provided with the SBS inlet 304. One end of the stirring cavity 301 is connected with the outlet butterfly valve 305. The output end of the second motor 302 is connected with the horizontal tank stirrer 306. The other side of the outlet butterfly valve 305 is provided with the asphalt filter 307. The other side of the asphalt filter 307 is provided with the feeding pump 308. One end of the feeding pump 308 is provided with the colloid mill 309. The other side of the colloid mill 309 is connected with the colloid mill outlet 310. Through the arrangement of the stirring cavity 301, the second motor 302, the stabilizer inlet 303, the SBS inlet 304, the outlet butterfly valve 305, the horizontal tank stirrer 306, the asphalt filter 307, the feeding pump 308, the colloid mill 309 and the colloid mill outlet 310, when the rubber asphalt enters the stirring cavity 301 through the straight-through pipeline of the three-way valve 204, the SBS enters the stirring cavity 301 through the SBS inlet 304 at the top of the stirring cavity 301. The stabilizer enters the stirring cavity 301 through the stabilizer inlet 303 at the top of the stirring cavity 301. The horizontal tank stirrer 306 is installed in the stirring cavity 301. The 170° to 180° rubber asphalt, SBS and stabilizer are continuously stirred, mixed and swelled and fused between molecules by the horizontal tank stirrer 306. The outlet of the stirring cavity 301 is provided with the outlet butterfly valve 305 and the asphalt filter 307. The mixed asphalt after sufficient mixing is sucked and conveyed to the colloid mill 309 through the outlet butterfly valve 305 and the asphalt filter 307 by the feeding pump 308. The mixed asphalt is further sheared, refined and homogenized in the colloid mill 309, and the SBS composite rubber modified asphalt with stable performance is formed. The colloid mill outlet 310 of the SBS composite rubber asphalt colloid mill 309 is conveyed to the finished product tank for further development and storage.

[0033] Further, the horizontal tank stirrer 306 is arranged in the interior of the stirring cavity 301. The horizontal tank stirrer 306 and the stirring cavity 301 constitute a mutual rotation structure through the second motor 302. Through the arrangement of the horizontal tank stirrer 306, the horizontal tank stirrer 306 is located in the interior of the stirring cavity 301. Through the driving of the second motor 302, continuous stirring movement is provided. In the stirring process, the stirrer can uniformly mix the materials (such as rubber asphalt, base asphalt, rubber powder, SBS, etc.) entering the stirring cavity 301. At the same time, the rotating action can promote the full contact and fusion of the materials, and ensure that the materials of different components are uniformly distributed in the stirring cavity 301, so that better combination of physical and chemical properties is realized.

[0034] Further, one side of the rubber asphalt outlet 202 is connected with the stirring cavity 301, the main body of the feeding pump 308 is installed on the horizontal tank body 1, through the setting of the feeding pump 308, the main function of the feeding pump 308 is to deliver the material after stirring and filtering to the colloid mill 309 for further refinement and homogenization treatment, the pump can stably and continuously deliver the material, ensure the normal work of the colloid mill 309 and avoid the material from being blocked or unstable in the transmission process.

[0035] Further, the main body of the colloid mill 309 is also installed on the horizontal tank body 1, the other side of the three-way valve 204 is connected with the asphalt filter 307, through the setting of the colloid mill 309, the core role of the colloid mill 309 is to perform high shear treatment on the mixed material, further refine the material, ensure the uniformity and stability, it can shear the material into smaller particles or molecular groups through the friction force between the high-speed rotating rotor and stator, especially in the treatment of rubber asphalt, it can effectively refine the rubber powder particles and fully fuse with the asphalt matrix or other modified materials.

[0036] Working principle: first start the first motor 208, the matrix asphalt enters the multi-union mixer through the fourth-union right side matrix asphalt inlet 210 located at the uppermost position, and is pushed to the left by the screw, the rubber powder enters the mixer through the rubber powder inlet 209 located at the tail of the fourth-union, is mixed with the matrix asphalt, and is gradually mixed and uniform through the third, second and first, and is delivered to the rubber asphalt outlet 202 at the tail of the first-union, the four-union cavities are connected in turn, the screw pushing direction in each cavity is alternately opposite, to ensure the uniformity and sufficiency of the mixing, at the same time, the rubber asphalt outlet 202 is provided with a three-way valve 204, the mixed rubber asphalt can enter the stirring cavity 301 through the straight-through pipeline of the three-way valve 204, or can enter the asphalt filter 307 along the other pipeline after the change of the three-way valve 204, when the rubber asphalt enters the stirring cavity 301 through the straight-through pipeline of the three-way valve 204, the SBS enters the stirring cavity 301 through the SBS inlet 304 at the top of the stirring cavity 301; the stabilizer enters the stirring cavity 301 through the stabilizer inlet 303 at the top of the stirring cavity 301, the horizontal tank stirrer 306 is installed in the stirring cavity 301, the 170° to 180° rubber asphalt, SBS and stabilizer are constantly stirred, mixed and swollen and fused between molecules by the horizontal tank stirrer 306, the outlet of the stirring cavity 301 is provided with an outlet butterfly valve 305 and an asphalt filter 307, the fully mixed asphalt is sucked and delivered to the colloid mill 309 through the outlet butterfly valve 305 and the asphalt filter 307, the mixed asphalt in the colloid mill 309 is further sheared, refined and homogenized, and the SBS composite rubber modified asphalt with stable performance is formed, the colloid mill outlet 310 of the SBS composite rubber asphalt colloid mill 309 delivers the product to the finished product tank for further development and storage.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A horizontal tank bitumen production device with a multi-union mixer, comprising a horizontal tank main body (1), characterized in that: The surface side of the horizontal tank body (1) is provided with a mixing mechanism (2), and one end of the horizontal tank body (1) is provided with a stirring mechanism (3). The mixing mechanism (2) comprises a support frame (201), a rubber asphalt outlet (202), a first joint spiral cavity (203), a three-way valve (204), a second joint spiral cavity (205), a third joint spiral cavity (206), a fourth joint spiral cavity (207), a first motor (208), a rubber powder inlet (209) and a matrix asphalt inlet (210), the surface side of the horizontal tank body (1) is fixedly connected with the support frame (201), one side of the horizontal tank body (1) is connected with the rubber asphalt outlet (202), the other side of the support frame (201) is connected with the first joint spiral cavity (203), the surface of the rubber asphalt outlet (202) is provided with the three-way valve (204), the other side of the first joint spiral cavity (203) is communicated with the second joint spiral cavity (205), the other side of the second joint spiral cavity (205) is communicated with the third joint spiral cavity (206), the other side of the third joint spiral cavity (206) is communicated with the fourth joint spiral cavity (207), one side of the fourth joint spiral cavity (207) is connected with the first motor (208), the surface side of the fourth joint spiral cavity (207) is provided with the rubber powder inlet (209), and the surface side of the fourth joint spiral cavity (207) is provided with the matrix asphalt inlet (210).

2. The horizontal tank bitumen production device with a multi-union mixer according to claim 1, characterized in that: The other side of the rubber asphalt outlet (202) is communicated with the first joint spiral cavity (203), and the rubber asphalt outlet (202) realizes rapid closing through the three-way valve (204).

3. The horizontal tank bitumen production device with a multi-union mixer according to claim 1, characterized in that: The first motor (208) is also arranged on one side of the second joint spiral cavity (205), the third joint spiral cavity (206) and the fourth joint spiral cavity (207), and the spiral pushing directions of the first joint spiral cavity (203) and the second joint spiral cavity (205) are opposite.

4. The horizontal tank bitumen production unit with a multi-union mixer according to claim 1, characterized in that: The spiral pushing directions of the second joint spiral cavity (205) and the third joint spiral cavity (206) are opposite, and the spiral pushing directions of the third joint spiral cavity (206) and the fourth joint spiral cavity (207) are opposite.

5. The horizontal tank bitumen production unit with a multi-union mixer according to claim 1, characterized in that: The rubber powder inlet (209) is arranged at the spiral tail of the fourth joint spiral cavity (207), and the matrix asphalt inlet (210) is arranged at the head of the fourth joint spiral cavity (207).

6. The horizontal tank bitumen production unit with a multi-union mixer according to claim 1, characterized in that: The first joint spiral cavity (203), the second joint spiral cavity (205), the third joint spiral cavity (206) and the fourth joint spiral cavity (207) are connected with each other through the support frame (201).

7. The horizontal tank bitumen production unit with a multi-union mixer according to claim 1, characterized in that: The stirring mechanism (3) comprises a stirring cavity (301), a second motor (302), a stabilizer inlet (303), an SBS inlet (304), an outlet butterfly valve (305), a horizontal tank stirrer (306), an asphalt filter (307), a feeding pump (308), a colloid mill (309), and a colloid mill outlet (310), one side of the horizontal tank body (1) is provided with the stirring cavity (301), the surface of the horizontal tank body (1) is provided with the second motor (302) on one side, one side of the stirring cavity (301) is provided with the stabilizer inlet (303), one side of the stirring cavity (301) is provided with the SBS inlet (304), one end of the stirring cavity (301) is connected with the outlet butterfly valve (305), the output end of the second motor (302) is connected with the horizontal tank stirrer (306), the other side of the outlet butterfly valve (305) is provided with the asphalt filter (307), the other side of the asphalt filter (307) is provided with the feeding pump (308), one end of the feeding pump (308) is provided with the colloid mill (309), the other side of the colloid mill (309) is connected with the colloid mill outlet (310).

8. The horizontal tank bitumen production unit with a multi-union mixer according to claim 7, characterized in that: The horizontal tank stirrer (306) is arranged in the stirring cavity (301), and the horizontal tank stirrer (306) and the stirring cavity (301) constitute a mutual rotation structure through the second motor (302).

9. The horizontal tank bitumen production unit with a multi-union mixer according to claim 7, characterized in that: One side of the rubber asphalt outlet (202) is connected with the stirring cavity (301), and the main body of the feeding pump (308) is arranged on the horizontal tank body (1).

10. The horizontal tank bitumen production unit with a multi-union mixer according to claim 7, characterized in that: The main body of the colloid mill (309) is also arranged on the horizontal tank body (1), and the other side of the three-way valve (204) is connected with the asphalt filter (307).

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