Asphalt microwave heating and stirring device

Abstract

The utility model relates to the technical field of road maintenance, and provides an asphalt microwave heating and stirring device which comprises a supporting frame, a stirring tank arranged on the supporting frame, the stirring tank is of a multi-layer structure, a microwave assembly is arranged on the stirring tank, a stirring assembly is arranged in the stirring tank, and a discharging assembly is arranged at the bottom of the stirring tank. The stirring assembly comprises a rotating shaft and stirring teeth, the rotating shaft transversely penetrates through the stirring tank and is rotationally arranged on the stirring tank, the stirring teeth are arranged on the rotating shaft on the inner side of the stirring tank, and one end of the rotating shaft on the outer side of the stirring tank is connected with a stirring power part which is arranged on the stirring tank. According to the utility model, asphalt heated by microwaves can be stirred more uniformly and more completely, the heating uniformity and efficiency of the asphalt are improved, and meanwhile, a plurality of layers of stirring tank walls are arranged, so that the heat preservation and insulation effects are improved, and the practicability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to road maintenance technical field, concretely relates to a kind of asphalt microwave heating stirring device. BACKGROUND

[0002] Asphalt microwave heating technology is an innovative heating method that has emerged in the field of road construction and maintenance in recent years. Traditionally, asphalt heating usually uses the heat energy generated by burning mineral fuels such as diesel and natural gas, but this method has problems such as uneven heating, low efficiency, environmental pollution, etc. Microwave heating of asphalt technology has shown great potential in improving heating efficiency, reducing energy consumption and pollution, etc. due to its unique advantages. Microwave heating is widely used in various fields due to its high efficiency and internal heating advantages.

[0003] However, the unevenness of microwave heating limits its large-scale industrial application. High uniformity and high efficiency are the focus of microwave heating research. Low efficiency leads to waste of energy, and uneven heating leads to poor heating quality and even thermal runaway.

[0004] Therefore, to solve the above problems, an asphalt microwave heating stirring device is proposed. INVENTION CONTENTS

[0005] The utility model aims at the deficiency of prior art, develops a kind of asphalt microwave heating stirring device, the utility model can more evenly, more completely stir the asphalt of microwave heating, improve the uniformity and high efficiency of asphalt heating, while setting up the stirring tank wall of multiple layers, improve the heat preservation and thermal insulation effect, and the practicality is better.

[0006] To achieve the above purpose, the following technical solutions are used:

[0007] An asphalt microwave heating stirring device, comprising: a support frame, a stirring tank is arranged on the support frame, the stirring tank has a multi-layer structure, a microwave assembly is arranged on the stirring tank, a stirring assembly is arranged in the stirring tank, and a discharge assembly is arranged at the bottom of the stirring tank; the stirring assembly comprises a rotating shaft and stirring teeth, the rotating shaft is transversely arranged through the stirring tank and rotatably arranged on the stirring tank, the stirring teeth are arranged on the rotating shaft inside the stirring tank, one end of the rotating shaft outside the stirring tank is connected to a stirring power element, and the stirring power element is arranged on the stirring tank.

[0008] As a preferred embodiment, the support frame is arranged in a frame structure, comprising a support leg, a placing rack and a diagonal brace, the placing rack is arranged above the support leg, and the diagonal brace is arranged between the support leg and the placing rack to enhance the support.

[0009] As preferred, the stirring tank comprises a tank body and a tank cover, the tank body is arranged on a rack, one side of the tank cover is rotatably connected with the tank body through a hinge assembly, and the tank cover and the tank body are sealingly connected through a locking buckle, a rotating shaft is arranged on the tank body, and a handle is arranged on the tank cover.

[0010] As preferred, the multi-layer structure of the stirring tank comprises a first metal layer, a ceramic fiber layer, a heat insulation layer and a second metal layer arranged from the inner side to the outer side of the stirring tank.

[0011] As preferred, the microwave assembly comprises a microwave generator and a microwave waveguide tube, the microwave waveguide tube is arranged above the tank cover and can communicate with the inner cavity of the stirring tank, and the microwave generator is arranged at one end of the microwave waveguide tube away from the stirring tank to generate microwaves.

[0012] As preferred, the stirring teeth comprise large-head teeth and small-head teeth, the large-head teeth are arranged at both ends of the rotating shaft on the inner side of the stirring tank, and a lateral stirring plate obliquely transverse to the axis of the rotating shaft is arranged on the side of one end of the large-head teeth away from the rotating shaft to stir the asphalt material laterally, and the small-head teeth are uniformly arranged on the rotating shaft between the large-head teeth to stir the asphalt material longitudinally.

[0013] As preferred, the axes of the large-head teeth and the small-head teeth are perpendicular to each other.

[0014] As preferred, the discharging assembly comprises a discharging pipe arranged at the bottom of the tank body and communicating with the inner cavity of the tank body, a blocking cover arranged at one end of the discharging pipe away from the tank body, the blocking cover can be fixedly connected with the discharging pipe, a plug arranged on the blocking cover and located in the discharging pipe, and the shape and volume of the plug are consistent with the inner cavity of the discharging pipe.

[0015] The effects provided in the content of the utility model are only the effects of the embodiments, not all the effects of the utility model, and the above technical solutions have the following advantages:

[0016] The utility model discloses a transverse stirring assembly, which can heat the asphalt more evenly in the process of microwave heating, and the large-head teeth and the small-head teeth are arranged to respectively perform lateral overturning and longitudinal uniform stirring on the asphalt, so that the asphalt can be more fully stirred. ACCURACY OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0018] Figure 1 It is a whole structure schematic view of the embodiment of the utility model;

[0019] Figure 2 It is the structure schematic diagram of opening of the stirring tank of the embodiment of the utility model;

[0020] Figure 3 It is the structure schematic diagram of the stirring assembly of the embodiment of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the section of the discharge assembly of the embodiment of the utility model.

[0022] In the figure, 1, support frame;2, stirring tank;3, rotating shaft;4, stirring tooth;5, stirring power element;6, microwave generator;7, microwave waveguide tube;8, discharge pipe;9, plugging cover;10, plug;11, support leg;12, placing rack;13, diagonal brace;21, tank body;22, tank cover;23, locking buckle;24, handle;25, first metal layer;26, ceramic fiber layer;27, heat insulation layer;28, second metal layer;41, large head tooth;42, small head tooth;411, turning stirring plate. DETAILED DESCRIPTION

[0023] The technical scheme 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As Figures 1-4 shown, the utility model provides a technical scheme:

[0025] An asphalt microwave heating and stirring device, comprising: support frame 1, support frame 1 is provided with stirring tank 2, which is used for supporting stirring tank 2, the wall of stirring tank 2 is provided with a multilayer structure, microwave assembly is arranged on stirring tank 2, stirring assembly is arranged in stirring tank 2, and discharge assembly is arranged at the bottom of stirring tank 2;Stirring assembly includes rotating shaft 3 and stirring tooth 4, rotating shaft 3 transversely penetrates stirring tank 2 and is rotationally arranged on stirring tank 2, stirring tooth 4 is arranged on rotating shaft 3 at the inner side of stirring tank 2, one end of rotating shaft 3 at the outer side of stirring tank 2 is connected with stirring power element 5, stirring power element 5 is arranged on stirring tank 2 or support frame 1, and stirring power element 5 selects motor.

[0026] In the embodiment, support frame 1 is provided with a frame structure connected by section steel, comprising support leg 11, placing rack 12 and diagonal brace 13, placing rack 12 is arranged above support leg 11, diagonal brace 13 is arranged between support leg 11 and placing rack 12, which is used for strengthening support and improving the stability of the device.

[0027] In the embodiment, the stirring tank 2 is provided in a cylindrical shape and arranged horizontally on the ground, and comprises a tank body 21 and a tank cover 22. The tank body 21 is arranged on the placing frame 12, and the tank cover 22 is rotatably connected to the tank body 21 through a hinge assembly. The tank cover 22 and the tank body 21 are sealingly connected through a locking buckle 23 to avoid microwave leakage from causing harm to the surrounding workers. The hinge assembly and the locking buckle 23 can be commonly used in the market. A rotating shaft 3 is arranged on the tank body 21 and coaxially arranged with the stirring tank 2. A handle 24 is arranged on the tank cover 22 to facilitate opening and closing by the workers, thereby improving the practicability of the device.

[0028] In the embodiment, the multi-layer structure of the stirring tank 2 comprises a first metal layer 25, a ceramic fiber layer 26, a heat insulation layer 27 and a second metal layer 28 arranged from the inside to the outside of the stirring tank 2. The first metal layer 25 serves as a layer in contact with the asphalt and has sufficient thickness and friction resistance and can reflect microwaves to uniformly reflect the microwaves in the cylindrical stirring tank 2 to heat the asphalt. The ceramic fiber layer 26 serves as a heat preservation layer to improve the duration of the storage temperature of the asphalt. The heat insulation layer 27 can be commonly used asbestos material, which is economical. The second metal layer 28 serves as an overall outer support of the stirring tank 2 and is connected to the support frame 1 and has sufficient rigidity and strength.

[0029] In the embodiment, the microwave assembly comprises a microwave generator 6 and a microwave waveguide tube 7, which can be commonly used in the market. The microwave waveguide tube 7 is arranged above the tank cover 22 and can communicate with the inner cavity of the stirring tank 2. The microwave generator 6 is arranged at the end of the microwave waveguide tube 7 away from the stirring tank 2 to generate microwaves, thereby improving the environmental protection.

[0030] In the embodiment, the stirring teeth 4 comprise large head teeth 41 and small head teeth 42. The large head teeth 41 are arranged at both ends of the rotating shaft 3 inside the stirring tank 2. The end of the large head teeth 41 away from the rotating shaft 3 is provided with a horizontal and inclined stirring plate 411 to the axis of the rotating shaft 3 for horizontal stirring of the asphalt material. The large head teeth 41 are arranged in close contact with the inner wall of the stirring tank 2. The small head teeth 42 are uniformly arranged on the rotating shaft 3 between the large head teeth 41 for longitudinal uniform stirring of the asphalt material. The axes of the large head teeth 41 and the small head teeth 42 are perpendicular to each other, so that the stirring of the asphalt is more continuous and uniform, thereby improving the practicability of the device and the quality and efficiency of the heating of the asphalt.

[0031] In the embodiment, the discharging assembly comprises a discharging pipe 8 arranged at the bottom of the tank body 21 and communicated with the inner cavity of the tank body 21, a sealing cover 9 arranged at the end of the discharging pipe 8 away from the tank body 21, the sealing cover 9 being temporarily fixedly connected with the discharging pipe 8, preferably, the sealing cover 9 can be arranged in a clamping or threaded connection mode, so that the sealing cover 9 can not fall off, a plug 10 arranged on the sealing cover 9, the plug 10 being a hollow metal block, so as to reduce the weight and reflect microwaves, the plug 10 being arranged in the discharging pipe 8 and having the same shape and volume as the inner cavity of the discharging pipe 8, so as to seal and fill the inner cavity of the discharging pipe 8, so that the asphalt in the discharging pipe 8 cannot be fully stirred, and the end of the plug 10 close to the inner cavity of the stirring tank 2 is arranged as an arc surface with the same curvature as the inner wall of the stirring tank 2, thereby improving the practicability of the device.

[0032] Working principle: first, open the tank cover 22 of the stirring tank 2, pour the asphalt mixture into the tank body 21, then close the tank cover 22, connect the tank cover 22 and the tank body 21 through the locking buckle 23, and make the tank cover 22 and the tank body 21 in a sealed state, then start the microwave generator 6 and the stirring power 5, so that the asphalt mixture is heated and fully stirred at the same time, is more uniform and sufficient, after the stirring and heating are completed, the sealing cover 9 can be opened to take out the asphalt, or the asphalt can be temporarily stored in the stirring tank 2 for heat preservation, and then taken out when needed, thereby improving the practicability of the device.

[0033] The details of the present application are conventional technical means known to those skilled in the art.

[0034] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features with "first" and "second" can explicitly or implicitly include one or more of the features, and in the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. An asphalt microwave heating and mixing apparatus, characterized by, The utility model provides a kind of microwave-assisted stirring device for asphalt material, including: Support frame (1), stirring tank (2) is provided on support frame (1), stirring tank (2) is multi-layer structure, microwave assembly is provided on stirring tank (2), stirring assembly is provided in stirring tank (2), discharge assembly is provided at the bottom of stirring tank (2); Stirring assembly includes rotating shaft (3) and stirring tooth (4), rotating shaft (3) is transversely through stirring tank (2) and is rotationally arranged on stirring tank (2), stirring tooth (4) is provided on rotating shaft (3) inside stirring tank (2), one end of rotating shaft (3) outside stirring tank (2) is connected with stirring power element (5), and stirring power element (5) is arranged on stirring tank (2).

2. The asphalt microwave heating and mixing apparatus according to claim 1, wherein: Support frame (1) is provided as frame structure, including support leg (11), placing rack (12) and inclined strut (13), placing rack (12) is arranged above support leg (11), and inclined strut (13) is arranged between support leg (11) and placing rack (12), to strengthen support.

3. The asphalt microwave heating and mixing apparatus of claim 2, wherein: Stirring tank (2) includes tank body (21) and tank cover (22), tank body (21) is arranged on placing rack (12), one side of tank cover (22) is rotationally connected with tank body (21) by loose-leaf assembly, and tank cover (22) and tank body (21) are sealingly connected by locking buckle (23), rotating shaft (3) is provided on tank body (21), handle (24) is provided on tank cover (22).

4. The asphalt microwave heating and mixing apparatus of claim 3, wherein: The multi-layer structure of stirring tank (2) includes first metal layer (25), ceramic fiber layer (26), heat insulation layer (27) and second metal layer (28) arranged from inside to outside of stirring tank (2) by layer.

5. The asphalt microwave heating and mixing apparatus of claim 4, wherein: Microwave assembly includes microwave generator (6) and microwave waveguide (7), microwave waveguide (7) is arranged above tank cover (22), and microwave waveguide (7) can be communicated with the inner cavity of stirring tank (2), microwave generator (6) is arranged at the end of microwave waveguide (7) away from stirring tank (2), to generate microwave.

6. The asphalt microwave heating and mixing apparatus of claim 5, wherein: Stirring tooth (4) includes big head tooth (41) and small head tooth (42), big head tooth (41) is arranged at both ends of rotating shaft (3) inside stirring tank (2), and the side surface of the end of big head tooth (41) away from rotating shaft (3) is provided with flip stirring plate (411) inclined transversely to the axis of rotating shaft (3), to stir asphalt material transversely, small head tooth (42) includes a plurality of, and is uniformly arranged on rotating shaft (3) between big head tooth (41), to stir asphalt material longitudinally.

7. The asphalt microwave heating and mixing apparatus of claim 6, wherein: The axis direction of big head tooth (41) and small head tooth (42) is perpendicular to each other.

8. The asphalt microwave heating and mixing apparatus of claim 6, wherein: Discharge assembly includes discharge pipe (8), discharge pipe (8) is arranged at the bottom of tank body (21) and is communicated with the inner cavity of tank body (21), and sealing cover (9) is arranged at the end of discharge pipe (8) away from tank body (21), sealing cover (9) can be fixedly connected with discharge pipe (8), plug (10) is arranged on sealing cover (9), plug (10) is located in discharge pipe (8), and the shape and volume of plug (10) are consistent with the inner cavity of discharge pipe (8).

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