Uniform slow-release type anti-freezing agent spreading device for asphalt pavement

Abstract

The invention discloses an asphalt pavement slow-release type anti-freezing agent uniform spreading device, which comprises a main body unit, a mixing unit, a material mixing unit and a spreading unit, the mixing unit comprises a material mixing barrel body, one side of the material mixing barrel body is provided with a feeding box, and the upper side of the feeding box is provided with a plurality of groups of feeding pipes; and a control panel is installed on the other side of the mixing barrel body, a discharging groove is formed in the lower side of the mixing barrel body, and a discharging plug is arranged in the discharging groove. Raw materials in the mixing barrel body are mixed and stirred through the mixing unit, meanwhile, the mixing unit can adjust the raw materials in the mixing barrel body up and down, the raw materials at the bottom of the mixing barrel body are conveyed to the upper side of the mixing barrel body, the layering phenomenon of the raw materials in the mixing and stirring process is avoided, and the mixing effect can be effectively improved; and the stirring uniformity is improved.

Description

Technical Field

[0001] The present invention relates to the field of anti-icing agent processing technology, and more particularly to a device for uniformly spreading a slow-release anti-icing agent for asphalt pavement. Background Technology

[0002] Anti-icing agents are chemical materials used to prevent or delay icing on surfaces such as roads and bridges. They are widely used for de-icing and anti-slip purposes in winter. They are usually produced by mixing and reacting various raw materials through dry mixing and wet processes. Dry mixing is suitable for powdered products, where the raw materials are mechanically mixed evenly in proportion.

[0003] Existing dry mixing methods typically use drum or spiral mixers to mix solid particles with slow-release carriers. However, during the mixing process, due to the large differences in density and particle size among various components, a layering phenomenon occurs where heavier particles sink and lighter particles float, resulting in low production efficiency, poor uniformity, and even affecting the slow-release performance of the final product. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the aforementioned existing problems, the present invention is proposed.

[0006] Therefore, the purpose of this invention is to provide a device for uniformly spreading a slow-release anti-icing agent for asphalt pavement. This device aims to solve the problem that "existing dry mixing methods typically use drum or spiral mixers to mix solid particles with slow-release carriers. However, during the mixing process, due to the large differences in density and particle size of various components, heavy particles sink and light particles float, resulting in stratification, which leads to low production efficiency, poor uniformity, and even affects the slow-release performance of the final product."

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0008] A device for uniformly spreading a slow-release anti-icing agent for asphalt pavement, comprising a mixing unit, a mixing unit, and a spreading unit, characterized in that:

[0009] The mixing unit includes a mixing barrel, a feeding box is installed on one side of the mixing barrel, and multiple sets of feeding pipes are installed on the upper side of the feeding box. A control panel is installed on the other side of the mixing barrel, and a discharge trough is opened on the lower side of the mixing barrel, and a discharge plug is provided inside the discharge trough.

[0010] The mixing unit is located inside the mixing barrel. The mixing unit includes a rotating tube that is rotatably connected to the mixing barrel. A rotating tube is fixedly connected to the lower end of the rotating tube. Multiple sets of stirring rods are fixedly connected to the surface of the rotating tube. A rotating rod is rotatably connected inside the rotating tube. A spiral blade is fixedly connected to the surface of the rotating rod. A drive assembly is provided at the upper end of the rotating rod.

[0011] The spreading unit is located inside the mixing barrel and is set at the upper end of the rotating tube. The spreading unit includes a fixed seat that is fixedly connected to the outer surface of the rotating tube, and two sets of sliding rods are slidably connected inside the fixed seat. Both ends of the two sets of sliding rods are fixedly connected to spreading seats, and a spreading groove is opened on the lower side of the spreading seat.

[0012] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, the outer surface of the spiral blade is rotatably connected to the inner wall surface of the rotating tube, the lower surface of the rotating tube has two sets of inlets, and the upper surface of the rotating tube has two sets of outlets.

[0013] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement according to the present invention, the driving component includes a motor fixedly connected to the mixing tank, and a rotating shaft fixedly connected to the output end of the motor. A support plate is rotatably connected to the surface of the rotating shaft, and the lower end of the support plate is fixedly connected to the mixing tank. A bevel gear one is fixedly connected to the other end of the rotating shaft, and a bevel gear three meshes with the lower side of the bevel gear one. The lower surface of the bevel gear three is fixedly connected to the rotating tube.

[0014] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, wherein: the upper side of the first bevel gear is meshed with the second bevel gear, and the interior of the second bevel gear is fixedly connected to the rotating rod.

[0015] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, guide vanes are fixedly connected to the inner wall surfaces of both sets of feed inlets, and the guide vanes are all curved in design. The lower surfaces of both sets of guide vanes are rotatably connected to the bottom surface of the inner wall of the mixing barrel.

[0016] In a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, the lower surface of the rotating tube is movably connected to the upper surface of the discharge plug, and the upper surface of the discharge plug is rotatably connected to the rotating rod.

[0017] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, wherein: multiple sets of concave plates are slidably connected to the side surfaces of the two sets of spreading seats that are close to each other; the inner surfaces of two adjacent sets of concave plates are slidably connected to the outer surfaces; and the two sets of concave plates close to the rotating tube are fixedly connected to both sides of the fixed seat.

[0018] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, wherein: a limiting groove is provided on both sides of the inner wall of each set of concave plates, and a slider is slidably connected inside the limiting groove, and each set of sliders is fixedly connected to the outer surface of the concave plate.

[0019] As a preferred embodiment of the slow-release anti-icing agent uniform spreading device for asphalt pavement described in this invention, wherein: an arc-shaped plate is fixedly connected to the opposite side surface of the two sets of spreading seats, a guide plate is fixedly connected to the inner wall surface of the mixing barrel, and an arc-shaped groove is opened inside the guide plate, and the inner wall surface of the arc-shaped groove is slidably connected to the arc-shaped plate.

[0020] The method of using the slow-release anti-icing agent uniform spreading device for asphalt pavement according to the present invention is characterized by including the following steps:

[0021] S1. Different raw materials are fed into the feeding box through the feeding pipe, and then the raw materials flow into the mixing tank through the feeding box;

[0022] S2. By driving the rotating tube and rotating rod to rotate through the drive component, the stirring rod can be rotated to stir and mix the raw materials. At the same time, the spiral blades can transport the raw materials at the bottom of the mixing tank to the top of the mixing tank.

[0023] S3. The spreading unit can spread the raw materials delivered to the upper side of the mixing tank. At the same time, the spread raw materials will not fall in one place, but will be evenly spread in different positions of the mixing tank, thereby improving the mixing efficiency.

[0024] S4. By removing the discharge plug from the inside of the discharge trough, the mixed material inside the mixing tank can be discharged.

[0025] The beneficial effects of this invention are:

[0026] 1. Different raw materials are fed into the mixing tank through the feeding box. Then, the mixing unit mixes and stirs the raw materials inside the mixing tank. At the same time, the mixing unit can adjust the raw materials inside the mixing tank vertically, conveying the raw materials at the bottom of the mixing tank to the upper side of the mixing tank. This avoids the stratification of raw materials during the mixing process, effectively improving the mixing effect and the uniformity of the mixing.

[0027] 2. The spreading unit spreads the raw materials delivered to the upper side of the mixing tank, and evenly spreads the raw materials inside the mixing tank, further improving the mixing effect of the raw materials. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0029] Figure 1 This is a three-dimensional structural schematic diagram of a device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to the present invention.

[0030] Figure 2 For the present invention Figure 1 A schematic diagram of the three-dimensional structure cross-section;

[0031] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0032] Figure 4 This is a three-dimensional structural diagram of the mixing unit and the spreading unit of the present invention;

[0033] Figure 5 This is a three-dimensional structural diagram of the mixing unit of the present invention;

[0034] Figure 6 This is a three-dimensional structural diagram of the spreading unit of the present invention.

[0035] In the diagram: 100, Mixing unit; 101, Mixing tank; 102, Feeding box; 103, Control panel; 104, Discharge plug; 200, Mixing unit; 201, Rotating tube; 202, Rotating tube; 203, Stirring rod; 204, Rotating rod; 205, Spiral blade; 206, Feed inlet; 207, Discharge outlet; 208, Drive assembly; 2081, Motor; 2082, Rotating shaft; 2083, Bevel gear one; 2084, Bevel gear two; 2085, Bevel gear three; 209, Guide vane; 300, Spreading unit; 301, Fixed base; 302, Concave plate; 303, Spreading seat; 304, Arc plate; 305, Guide plate; 306, Arc groove; 307, Slide rod; 308, Limiting groove; 309, Slider. Detailed Implementation

[0036] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0037] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0038] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0039] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0040] Example 1

[0041] Reference Figure 1-4 This is the first embodiment of the present invention, which provides a device for uniformly spreading a slow-release anti-icing agent for asphalt pavement, comprising a mixing unit 100, a mixing unit 200, and a spreading unit 300, characterized in that:

[0042] The mixing unit 100 includes a mixing barrel 101, a feeding box 102 is installed on one side of the mixing barrel 101, and multiple sets of feeding pipes are installed on the upper side of the feeding box 102. A control panel 103 is installed on the other side of the mixing barrel 101, which is the prior art. A discharge trough is opened on the lower side of the mixing barrel 101, and a discharge plug 104 is provided inside the discharge trough.

[0043] The mixing unit 200 is disposed inside the mixing barrel 101. The mixing unit 200 includes a rotating tube 201 rotatably connected to the mixing barrel 101, and a rotating tube 202 is fixedly connected to the lower end of the rotating tube 201. Multiple sets of stirring rods 203 are fixedly connected to the surface of the rotating tube 202. A rotating rod 204 is rotatably connected inside the rotating tube 201, and a spiral blade 205 is fixedly connected to the surface of the rotating rod 204. A drive assembly 208 is provided at the upper end of the rotating rod 204.

[0044] The spreading unit 300 is located inside the mixing tank 101. The spreading unit 300 is set at the upper end of the rotating tube 202. The spreading unit 300 includes a fixed seat 301 that is fixedly connected to the outer surface of the rotating tube 202. Two sets of sliding rods 307 are slidably connected inside the fixed seat 301. Spreading seats 303 are fixedly connected to both ends of the two sets of sliding rods 307. Spreading grooves are opened on the lower side of the spreading seat 303.

[0045] In use, different raw materials are fed into the mixing tank 101 through the feeding box 102. Then, the mixing unit 200 mixes and stirs the raw materials inside the mixing tank 101. At the same time, the mixing unit 200 can adjust the raw materials inside the mixing tank 101 up and down, conveying the raw materials at the bottom of the mixing tank 101 to the upper side of the mixing tank 101, avoiding the separation of raw materials during the mixing process, effectively improving the mixing effect and the uniformity of the stirring. The spreading unit 300 spreads the raw materials conveyed to the upper side of the mixing tank 101, and spreads the raw materials evenly inside the mixing tank 101, further improving the mixing effect of the raw materials.

[0046] Example 2

[0047] Reference Figure 2-6 This is the second embodiment of the present invention. Unlike the previous embodiment, the outer surface of the spiral blade 205 is rotatably connected to the inner wall surface of the rotating tube 202. The lower surface of the rotating tube 202 is provided with two sets of feed inlets 206, and the upper surface of the rotating tube 202 is provided with two sets of discharge outlets 207, so that the raw materials on the lower side of the mixing tank 101 enter through the feed inlets 206 and are discharged through the discharge outlets 207.

[0048] Furthermore, the drive assembly 208 includes a motor 2081 fixedly connected to the mixing tank 101, and a rotating shaft 2082 fixedly connected to the output shaft of the motor 2081. The motor 2081 is electrically connected to the control panel 103. A support plate is rotatably connected to the surface of the rotating shaft 2082, and the lower end of the support plate is fixedly connected to the mixing tank 101. A bevel gear 2083 is fixedly connected to the other end of the rotating shaft 2082, and a bevel gear 2085 meshes with the lower side of the bevel gear 2083. The lower surface of the bevel gear 2085 is fixedly connected to the rotating tube 201, which is used to drive the rotating tube 201 to rotate inside the mixing tank 101, so that the rotating tube 202 drives the stirring rod 203 to rotate and stir inside the mixing tank 101.

[0049] Furthermore, a second bevel gear 2084 is meshed with the upper side of the first bevel gear 2083, and the interior of the second bevel gear 2084 is fixedly connected to the rotating rod 204. The rotating rod 204 is rotatably connected to the support plate and is used to drive the rotating rod 204 to drive the spiral blade 205 to rotate, so that the spiral blade 205 rotates in the opposite direction to the rotating tube 202.

[0050] Furthermore, guide vanes 209 are fixedly connected to the inner wall surfaces of both sets of feed inlets 206, and both guide vanes 209 are curved. The lower surfaces of both sets of guide vanes 209 are rotatably connected to the bottom surface of the inner wall of the mixing tank 101. The rotating tube 202 drives the guide vanes 209 to rotate at the bottom of the mixing tank 101, which can guide the raw materials at the bottom of the mixing tank 101 to move towards the feed inlets 206.

[0051] Furthermore, the lower surface of the rotating tube 202 is movably connected to the upper surface of the discharge plug 104, and the upper surface of the discharge plug 104 is rotatably connected to the rotating rod 204. When discharge is required, the mixed material can be discharged in conjunction with the guidance of the guide vane 209, thus avoiding residue inside the mixing barrel 101.

[0052] Furthermore, multiple sets of concave plates 302 are slidably connected to the adjacent side surfaces of the two sets of spreading seats 303. The inner surfaces of the two adjacent sets of concave plates 302 are slidably connected to the outer surfaces. The two sets of concave plates 302 near the rotating tube 202 are fixedly connected to the two sides of the fixed seat 301, guiding the raw material output through the discharge port 207 to the position of the spreading seat 303, where the spreading seat 303 spreads it downwards.

[0053] Furthermore, each set of concave plates 302 has limiting grooves 308 on both sides of its inner wall, and sliders 309 are slidably connected inside the limiting grooves 308. Each set of sliders 309 is fixedly connected to the outer surface of the concave plate 302. This provides support and limitation for the sliding connection of the concave plate 302.

[0054] Furthermore, each of the two sets of spreading seats 303 has an arc-shaped plate 304 fixedly connected to one of their opposite sides. A guide plate 305 is fixedly connected to the inner wall surface of the mixing barrel 101, and an arc-shaped groove 306 is formed inside the guide plate 305. The inner wall surface of the arc-shaped groove 306 is slidably connected to the arc-shaped plate 304. When the rotating tube 202 drives the fixed seat 301 to rotate, it will drive the arc-shaped plate 304 to slide on the inner wall surface of the arc-shaped groove 306. This allows the spreading seat 303 to push the slide rod 307 to slide inside the fixed seat 301, thereby controlling the reciprocating movement of the spreading seat 303 and making the spreading seat 303 evenly spread the raw materials conveyed from inside the rotating tube 202.

[0055] Furthermore, a method for using a slow-release anti-icing agent uniform spreading device for asphalt pavement is characterized by comprising the following steps:

[0056] S1. Different raw materials are fed into the feeding box 102 through the feeding pipe, and then the raw materials are fed into the mixing tank 101 through the feeding box 102.

[0057] S2. By driving the rotating tube 201 and the rotating rod 204 to rotate through the driving component 208, the stirring rod 203 can be rotated to stir and mix the raw materials. At the same time, the spiral blade 205 can transport the raw materials at the bottom of the mixing tank 101 to the upper side of the mixing tank 101.

[0058] S3. The spreading unit 300 can spread the raw materials conveyed to the upper side of the mixing barrel 101. At the same time, the spread raw materials will not fall in one position, but will be evenly spread in different positions of the mixing barrel 101, thereby improving the mixing efficiency.

[0059] S4. By removing the discharge plug 104 from the inside of the discharge trough, the mixed material inside the mixing tank 101 can be discharged.

[0060] During operation, different raw materials are fed into the feeding box 102 through the feeding pipe. The raw materials then flow from the feeding box 102 into the mixing tank 101. The motor 2081 is started via the control panel. The rotating shaft 2082, fixedly connected to the motor 2081, drives the first bevel gear 2083 to rotate. The third bevel gear 2085, meshing with the first bevel gear 2083, drives the rotating tube 201 to rotate. This causes the rotating tube 202, fixedly connected to the rotating tube 201, to drive the stirring rod 203 to rotate, thus stirring the raw materials inside the mixing tank 101. Simultaneously, the stirring rod 203 rotates, stirring the raw materials inside the mixing tank 101. The bevel gear 2084, which is meshed with gear 1 2083, drives the rotating rod 204 to rotate. The spiral blade 205, which is fixedly connected to the rotating rod 204, rotates in the opposite direction inside the rotating tube 202. The guide blade 209, which is fixedly connected to the inner wall of the feed inlet 206, rotates inside the mixing barrel 101 to guide the raw material at the bottom of the mixing barrel 101. The raw material at the bottom of the mixing barrel 101 is fed into the rotating tube 202 through the feed inlet 206 and conveyed to the upper side of the mixing barrel 101, and then discharged from the discharge outlet 207.

[0061] While the rotating tube 202 rotates, the fixed seat 301, which is fixedly connected to the rotating tube 202, drives the slide rod 307 to rotate. This causes the spreading seat 303, which is fixedly connected to the slide rod 307, to drive the arc plate 304 to slide on the inner wall surface of the arc groove 306. In conjunction with the curved surface of the arc groove 306, the arc plate 304 pushes the slide rod 307 to slide flexibly inside the fixed seat 301 through the spreading seat 303. This allows the spreading seat 303 to move back and forth inside the mixing tank 101. Then, the raw material discharged from inside the slide rod 307 flows to the spreading seat 303 through the concave plate 302, and is then evenly spread downwards from the spreading groove on the lower side of the spreading seat 303, further improving the mixing effect of the raw material re-stirring.

[0062] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A device for uniformly spreading a slow-release anti-icing agent for asphalt pavement, comprising a mixing unit (100), a mixing unit (200), and a spreading unit (300), characterized in that: The mixing unit (100) includes a mixing tank (101), a feeding box (102) is installed on one side of the mixing tank (101), and multiple sets of feeding pipes are installed on the upper side of the feeding box (102). A control panel (103) is installed on the other side of the mixing tank (101). A discharge trough is opened on the lower side of the mixing tank (101), and a discharge plug (104) is provided inside the discharge trough. The mixing unit (200) is disposed inside the mixing barrel (101). The mixing unit (200) includes a rotating tube (201) rotatably connected to the mixing barrel (101), and a rotating tube (202) is fixedly connected to the lower end of the rotating tube (201). Multiple sets of stirring rods (203) are fixedly connected to the surface of the rotating tube (202). A rotating rod (204) is rotatably connected inside the rotating tube (201), and a spiral blade (205) is fixedly connected to the surface of the rotating rod (204). A drive assembly (208) is provided at the upper end of the rotating rod (204). The spreading unit (300) is located inside the mixing barrel (101). The spreading unit (300) is set at the upper end of the rotating tube (202). The spreading unit (300) includes a fixed seat (301) fixedly connected to the outer surface of the rotating tube (202). Two sets of sliding rods (307) are slidably connected inside the fixed seat (301). Spreading seats (303) are fixedly connected to both ends of the two sets of sliding rods (307). Spreading grooves are opened on the lower side of the spreading seat (303).

2. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 1, characterized in that: The outer surface of the spiral blade (205) is rotatably connected to the inner wall surface of the rotating tube (202). The lower surface of the rotating tube (202) is provided with two sets of feed inlets (206), and the upper surface of the rotating tube (202) is provided with two sets of discharge outlets (207).

3. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 1, characterized in that: The drive assembly (208) includes a motor (2081) fixedly connected to the mixing tank (101), and a rotating shaft (2082) fixedly connected to the output end of the motor (2081). A support plate is rotatably connected to the surface of the rotating shaft (2082), and the lower end of the support plate is fixedly connected to the mixing tank (101). A bevel gear (2083) is fixedly connected to the other end of the rotating shaft (2082), and a bevel gear (2085) meshes with the lower side of the bevel gear (2083). The lower surface of the bevel gear (2085) is fixedly connected to the rotating tube (201).

4. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 3, characterized in that: The upper side of the first bevel gear (2083) is meshed with the second bevel gear (2084), and the interior of the second bevel gear (2084) is fixedly connected to the rotating rod (204).

5. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 1, characterized in that: Guide vanes (209) are fixedly connected to the inner wall surfaces of both sets of feed inlets (206), and the guide vanes (209) are all curved. The lower surfaces of the two sets of guide vanes (209) are rotatably connected to the bottom surface of the inner wall of the mixing barrel (101).

6. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 1, characterized in that: The lower surface of the rotating tube (202) is movably connected to the upper surface of the discharge plug (104), and the upper surface of the discharge plug (104) is rotatably connected to the rotating rod (204).

7. The device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 1, characterized in that: Multiple sets of concave plates (302) are slidably connected to the adjacent side surfaces of the two sets of spreading seats (303). The inner surfaces of the two adjacent sets of concave plates (302) are slidably connected to the outer surfaces. The two sets of concave plates (302) close to the rotating tube (202) are fixedly connected to both sides of the fixed seat (301).

8. A device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 7, characterized in that: Each set of concave plates (302) has a limiting groove (308) on both sides of its inner wall, and a slider (309) is slidably connected inside the limiting groove (308). Each set of sliders (309) is fixedly connected to the outer surface of the concave plate (302).

9. A device for uniformly spreading a slow-release anti-icing agent for asphalt pavement according to claim 7, characterized in that: An arc-shaped plate (304) is fixedly connected to the opposite side surface of the two sets of spreading seats (303). A guide plate (305) is fixedly connected to the inner wall surface of the mixing barrel (101), and an arc-shaped groove (306) is opened inside the guide plate (305). The inner wall surface of the arc-shaped groove (306) is slidably connected to the arc-shaped plate (304).

10. The method of using the slow-release anti-icing agent uniform spreading device for asphalt pavement according to claim 1, characterized in that, Includes the following steps: S1. Different raw materials are fed into the feed box (102) through the feed pipe, and then the raw materials are fed into the mixing tank (101) along the feed box (102); S2. By driving the rotating tube (201) and rotating rod (204) to rotate through the drive assembly (208), the stirring rod (203) can be rotated to stir and mix the raw materials. At the same time, the spiral blade (205) can transport the raw materials at the bottom of the mixing tank (101) to the upper side of the mixing tank (101). S3. The spreading unit (300) can spread the raw materials delivered to the upper side of the mixing barrel (101). At the same time, the spread raw materials will not fall in one position, but will be evenly spread in different positions of the mixing barrel (101), thereby improving the mixing efficiency. S4. By removing the discharge plug (104) from the inside of the discharge trough, the mixed material inside the mixing tank (101) can be discharged.

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