Mixing plant premixing device of asphalt additive

Abstract

The utility model discloses a premixing device of an asphalt additive in a mixing plant, relates to the technical field of asphalt production, and aims to solve the problem that in the prior art, most asphalt additives are directly added into an asphalt tank for mixing and stirring, but only part of asphalt in the asphalt tank needs to be modified according to actual requirements, so that a modifier is wasted. The discharging end of the asphalt tank is connected with a first gear pump, the output end of the first gear pump is connected with a first conveying pipe, one end of the first conveying pipe is connected with a first tee joint, one end of the first tee joint is connected with a second electric valve, and one end of the second electric valve is connected with a third conveying pipe. One end of the third conveying pipe is connected with a premixing cylinder, the premixing cylinder is connected with a feeding device, a weighing platform is installed below the premixing cylinder, an electric heater is installed below the premixing cylinder, the discharging end of the premixing cylinder is connected with a third electric valve, and one end of the third electric valve is connected with a second gear pump.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen production technical field, concretely is a kind of bitumen additive's mixing building premixing device. BACKGROUND

[0002] Bitumen is the black-brown complex mixture of different molecular weight hydrocarbons and its non-metallic derivatives, is a kind of high-viscosity organic liquid, mostly in liquid or semi-solid petroleum form, surface is black, can be dissolved in carbon disulfide, carbon tetrachloride. Bitumen is a kind of waterproof and moistureproof and anticorrosive organic cementitious material, bitumen is mainly used in coating, plastics, rubber and other industries and paving pavement etc.;

[0003] Current bitumen mixing station can add various bitumen mixture additives, some bitumen additives can be directly added into mixing kettle and mixed with stone, bitumen etc., some additives need to be added into bitumen tank in advance, and then mixed uniformly with bitumen, and then mixed and produced, but if bitumen additive is directly added into whole bitumen tank (usually a bitumen tank has 35T capacity) each time, but only part of bitumen in bitumen tank needs to be modified, there can be waste of modifier, or after adding additive, modified bitumen is not used up, and modification effect will weaken with the increase of storage time, so market urgently needs to develop a bitumen additive's mixing building premixing device to help people solve existing problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of bitumen additive's mixing building premixing device, to solve the problem that most bitumen additives are directly added into bitumen tank for mixing and stirring in the above background art, but only part of bitumen in bitumen tank needs to be modified, which causes waste of modifier.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bitumen additive's mixing building premixing device, including bitumen tank, bitumen mixing station and premixing barrel, the discharge end of the bitumen tank is connected with first gear pump, the output end of the first gear pump is connected with first conveying pipe, one end of the first conveying pipe is connected with first tee joint, one end of the first tee joint is connected with second electric valve, one end of the second electric valve is connected with third conveying pipe, one end of the third conveying pipe is connected with premixing barrel, the premixing barrel is connected with feeding device, weighing platform is installed below the premixing barrel, electric heater is installed below the premixing barrel.

[0006] Through the technical scheme, the premixing cylinder is used to intercept the asphalt transported by the asphalt tank to the asphalt mixing station, the premixing cylinder is used to weigh and heat the asphalt, and the additive is mixed according to the requirement, so that the excessive additive can be avoided, and the waste of the additive is avoided.

[0007] In a preferred example, the premixing cylinder is further provided with a barrel cover, a connecting pipe is arranged on the barrel cover, the connecting pipe is connected with a feeding device, a Jiaolong conveying disc is rotatably connected in the feeding device, a feeding hopper is arranged above the feeding device, and a second driving device for driving the Jiaolong conveying disc to rotate is arranged on one side of the feeding device.

[0008] Through the technical scheme, the premixing cylinder is used to intercept the asphalt transported by the asphalt tank to the asphalt mixing station, the premixing cylinder is used to weigh and heat the asphalt, and the additive is mixed according to the requirement, so that the excessive additive can be avoided, and the waste of the additive is avoided.

[0009] In a preferred example, the premixing cylinder is further provided with a barrel cover, a connecting pipe is arranged on the barrel cover, the connecting pipe is connected with a feeding device, a Jiaolong conveying disc is rotatably connected in the feeding device, a feeding hopper is arranged above the feeding device, and a second driving device for driving the Jiaolong conveying disc to rotate is arranged on one side of the feeding device.

[0010] Through the technical scheme, the premixing cylinder is used to intercept the asphalt transported by the asphalt tank to the asphalt mixing station, the premixing cylinder is used to weigh and heat the asphalt, and the additive is mixed according to the requirement, so that the excessive additive can be avoided, and the waste of the additive is avoided.

[0011] In a preferred example, the premixing cylinder is further provided with a barrel cover, a connecting pipe is arranged on the barrel cover, the connecting pipe is connected with a feeding device, a Jiaolong conveying disc is rotatably connected in the feeding device, a feeding hopper is arranged above the feeding device, and a second driving device for driving the Jiaolong conveying disc to rotate is arranged on one side of the feeding device.

[0012] In a preferred example, the premixing cylinder is further provided with a barrel cover, a connecting pipe is arranged on the barrel cover, the connecting pipe is connected with a feeding device, a Jiaolong conveying disc is rotatably connected in the feeding device, a feeding hopper is arranged above the feeding device, and a second driving device for driving the Jiaolong conveying disc to rotate is arranged on one side of the feeding device.

[0013] In a preferred example, the premixing cylinder is further provided with a barrel cover, a connecting pipe is arranged on the barrel cover, the connecting pipe is connected with a feeding device, a Jiaolong conveying disc is rotatably connected in the feeding device, a feeding hopper is arranged above the feeding device, and a second driving device for driving the Jiaolong conveying disc to rotate is arranged on one side of the feeding device.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. The premixing cylinder is used to intercept the asphalt transported by the asphalt tank to the asphalt mixing station, the premixing cylinder is used to weigh and heat the asphalt, and the additive is mixed according to the requirement, so that the excessive additive can be avoided, and the waste of the additive is avoided.

[0016] 2. The utility model discloses utilize the setting of jiaolong conveying disc, when adding additive, not only can add liquid additive, can also add solid additive, to satisfy the need of different production conditions. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the principle of the premixing device of the asphalt additive mixing building of the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the premixing barrel of the utility model.

[0019] In the drawing: 1, asphalt tank;2, asphalt mixing station;3, premixing barrel;4, first gear pump;5, first conveying pipe;6, first tee joint;7, first electric valve;8, second conveying pipe;9, second electric valve;10, third conveying pipe;11, third electric valve;12, second gear pump;13, second tee joint;14, fourth conveying pipe;15, barrel cover;16, first driving device;17, feeding device;18, feed hopper;19, second driving device;20, jiaolong conveying disc;21, connecting pipe;22, stirring shaft;23, stirrer;24, electric heater;25, weighing platform. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can also be detachably connected, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer toFigure 1 and Figure 2 The utility model provides an embodiment: a kind of asphalt additive's mixing plant premixing device, including asphalt tank 1, asphalt mixing station 2 and premixing barrel 3, the discharge end of asphalt tank 1 is connected with first gear pump 4, the output end of first gear pump 4 is connected with first conveying pipe 5, one end of first conveying pipe 5 is connected with first tee head 6, one end of first tee head 6 is connected with second electric valve 9, one end of second electric valve 9 is connected with third conveying pipe 10, one end of third conveying pipe 10 is connected with premixing barrel 3, premixing barrel 3 is connected with feeding device 17, weighing platform 25 is installed below premixing barrel 3, electric heater 24 is installed below premixing barrel 3.

[0024] Please refer to Figure 2 Electric heater 24 is installed above premixing barrel 3, connecting pipe 21 is installed on barrel cover 15, connecting pipe 21 is connected with feeding device 17, and jolly dragon conveying disc 20 is rotatably connected in feeding device 17, feeding hopper 18 is installed above feeding device 17, and second driving device 19 for driving jolly dragon conveying disc 20 to rotate is arranged on one side of feeding device 17.

[0025] Please refer to Figure 2 Stirring shaft 22 is arranged in the inside of premixing barrel 3, and stirrer 23 is connected to the lower end of stirring shaft 22, and first driving device 16 for driving stirring shaft 22 to rotate is arranged above barrel cover 15.

[0026] Please refer to Figure 1 The discharge end of premixing barrel 3 is connected with third electric valve 11, one end of third electric valve 11 is connected with second gear pump 12, and one end of first tee head 6 is connected with first electric valve 7.

[0027] Please refer to Figure 1 One end of first tee head 6 is connected with second conveying pipe 8, one end of second conveying pipe 8 is connected with second tee head 13, and second gear pump 12 is connected with second tee head 13.

[0028] Please refer to Figure 1 One end of second tee head 13 is connected with fourth conveying pipe 14, and one end of fourth conveying pipe 14 is connected with asphalt mixing station 2.

[0029] Working principle: in use, the first gear pump 4 outputs the asphalt temporarily stored in the asphalt tank 1, the asphalt will pass through the first conveying pipe 5, the first tee joint 6, the first electric valve 7, the second conveying pipe 8, the second tee joint 13 and the fourth conveying pipe 14 into the asphalt mixing station 2, when the additive needs to be added, the first electric valve 7 is closed, the second electric valve 9 is opened, the asphalt is cut off, so that the asphalt enters the premixing cylinder 3 along the third conveying pipe 10, then the additive is added into the internal additive device 17 through the feeding hopper 18, the second driving device 19 is used to drive the alligator conveying disc 20 to rotate, the additive is conveyed to the inside of the premixing cylinder 3, and the asphalt and the additive in the premixing cylinder 3 are weighed by the weighing platform 25, after the required mixed asphalt is obtained, the first driving device 16 is used to drive the stirring shaft 22 to rotate, the stirring shaft 22 drives the stirrer 23 to rotate, the asphalt and the additive are stirred and mixed, and the mixed asphalt will pass through the third electric valve 11, the second gear pump 12, the second tee joint 13 and the fourth conveying pipe 14 into the asphalt mixing station 2.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A plant for the premixing of an asphalt additive in a mixing tower, comprising an asphalt tank (1), an asphalt mixing station (2) and a premixing drum (3), characterized in that: The asphalt tank (1) is connected with a first gear pump (4) at the discharge end, the output end of the first gear pump (4) is connected with a first conveying pipe (5), one end of the first conveying pipe (5) is connected with a first tee joint (6), one end of the first tee joint (6) is connected with a second electric valve (9), one end of the second electric valve (9) is connected with a third conveying pipe (10), one end of the third conveying pipe (10) is connected with a premixing cylinder (3), the premixing cylinder (3) is connected with a feeding device (17), a weighing platform (25) is installed below the premixing cylinder (3), and an electric heater (24) is installed below the premixing cylinder (3).

2. A plant for the premixing of an asphalt additive according to claim 1, characterized in that: A cylinder cover (15) is installed above the premixing cylinder (3), a connecting pipe (21) is installed on the cylinder cover (15), the connecting pipe (21) is connected with the feeding device (17), a Jiaolong conveying disc (20) is rotatably connected in the feeding device (17), a feeding hopper (18) is installed above the feeding device (17), and a second driving device (19) for driving the Jiaolong conveying disc (20) to rotate is arranged on one side of the feeding device (17).

3. A plant for the premixing of an asphalt additive according to claim 2, characterized in that: A stirring shaft (22) is arranged in the premixing cylinder (3), a stirrer (23) is connected to the lower end of the stirring shaft (22), and a first driving device (16) for driving the stirring shaft (22) to rotate is arranged above the cylinder cover (15).

4. A plant for the premixing of asphalt additives according to claim 1, characterized in that: A third electric valve (11) is connected to the discharge end of the premixing cylinder (3), one end of the third electric valve (11) is connected with a second gear pump (12), and one end of the first tee joint (6) is connected with a first electric valve (7).

5. A plant for the premixing of an asphalt additive according to claim 4, characterized in that: One end of the first tee joint (6) is connected with a second conveying pipe (8), one end of the second conveying pipe (8) is connected with a second tee joint (13), and the second gear pump (12) is connected with the second tee joint (13).

6. A plant for the premixing of an asphalt additive according to claim 5, characterized in that: One end of the second tee joint (13) is connected with a fourth conveying pipe (14), and one end of the fourth conveying pipe (14) is connected with an asphalt mixing station (2).

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