A production device of tire rubber powder modified asphalt

Abstract

The present application relates to asphalt production equipment technical field, especially to a kind of tyre rubber powder modified asphalt production equipment, including frame, material guide frame, ventilation frame, stirring bin, solid additive feeding cylinder, feed bin door, gas additive adding pipe and gas guide pipe.Gas additive adding pipe is arranged on material guide frame, and the gas outlet end of gas additive adding pipe is arranged in the gas inlet end of gas guide pipe;Gas guide pipe is arranged between frame and stirring bin;Stirring bin is provided with air inlet hole.The present application is provided with upper closed gas bin door and lower closed gas bin door, so that gas can be controlled through gas guide pipe, and finally reach the inside of frame and enter stirring bin through air inlet hole.Improves the production efficiency and automation degree of modified asphalt, can improve the gas environment of asphalt production and processing, and can also add gas that meets the best environmental conditions for asphalt and additive mixing, improving the production quality of modified asphalt.

Description

Technical Field

[0001] The present invention relates to the technical field of asphalt production equipment, and in particular to a production equipment for tire rubber powder modified asphalt. Background Art

[0002] Modified asphalt is an asphalt binder made by adding external additives such as rubber, resin, high molecular polymer, ground rubber powder or other fillers, or taking measures such as mild oxidation of asphalt to improve the performance of asphalt or asphalt mixture.

[0003] To improve the overall performance of asphalt used in tire rubber crumb, modifiers are now added to asphalt while also controlling the gas composition within the asphalt production environment. This reduces the viscosity of hot-mix asphalt under optimal environmental conditions, allowing for homogenization at relatively low temperatures. However, conventional asphalt production equipment cannot meet the requirements of simultaneously processing asphalt materials with solid modifiers while controlling the gas composition within the production space. Summary of the Invention

[0004] The present invention aims to solve the technical problems existing in the background technology and proposes a production equipment for tire rubber powder modified asphalt.

[0005] The technical solution of the present invention is a production device for tire rubber powder modified asphalt, which includes a frame, a material guide frame, a ventilation frame, a mixing bin, a solid additive feeding barrel, a feed bin door, a gas additive adding pipe and an air guide pipe.

[0006] The material guide rack and ventilation rack are mounted on the frame; the mixing chamber is mounted inside the frame, and a mixing assembly is mounted inside the mixing chamber; a solid additive feeding cylinder is mounted on the frame, and the solid additive feeding cylinder is mounted at the feed end of the mixing chamber; a feed inlet and a discharge inlet are mounted on the material guide rack, and both the feed inlet and the discharge inlet on the material guide rack are connected to the mixing chamber; a feed chamber door is slidably mounted on the material guide rack, and is located at the feed end of the mixing chamber. A gas additive addition pipe is mounted on the material guide rack, and the gas outlet end of the gas additive addition pipe is mounted at the gas inlet end of the air guide pipe; the air guide pipe is mounted between the frame and the mixing chamber; and an air inlet is mounted on the mixing chamber.

[0007] Preferably, it also includes a metal impurity filter and an exhaust chimney; the metal impurity filter is arranged on the solid additive feeding barrel; and the exhaust chimney is arranged on the mixing bin.

[0008] Preferably, it also includes a discharge bin door and a discharge hopper; the discharge bin door is slidably arranged on the guide rack; and the discharge hopper is arranged at the discharge port of the guide rack.

[0009] Preferably, the device further comprises a driving motor mounting frame, a bearing and a stirring shaft; the driving motor mounting frame is arranged on the material guide frame; the driving motor of the stirring shaft is arranged on the driving motor mounting frame, and the stirring shaft is rotatably arranged on the bearing; and the bearing is arranged on the material guide frame.

[0010] Preferably, the device further comprises a stirring rod mounting seat, a stirring rod and stirring blades; the stirring rod mounting seat is detachably arranged on the stirring shaft; the stirring rod is arranged on the stirring rod mounting seat; and the stirring blades are arranged on one end of the stirring rod.

[0011] Preferably, the device further comprises an upper air sealing door and a lower air sealing door; the upper air sealing door and the lower air sealing door are slidably arranged on the air guide frame, and are located between the stirring bin and the frame; when the upper air sealing door and the lower air sealing door are closed, the air guide pipe is disconnected from the stirring bin; and when the upper air sealing door and the lower air sealing door are opened, the air guide pipe is connected to the stirring bin.

[0012] Preferably, the device further comprises a solid additive feeding bin cover; the solid additive feeding bin cover is detachably arranged on the solid additive feeding cylinder.

[0013] Preferably, the device further comprises a feeding table; the feeding table is arranged on the material guide frame, and is located at the feeding end of the stirring bin.

[0014] A production method of tire rubber powder modified asphalt, using the production equipment of tire rubber powder modified asphalt, comprises the following steps:

[0015] S1, the asphalt raw material to be added for modified asphalt production is added into the stirring bin through the feeding table from the feeding port and the frame.

[0016] S2, the gas required by the best environmental conditions for asphalt production is filled into the stirring bin through the gas additive pipe and the air guide pipe; the upper air sealing door and the lower air sealing door are opened, so that the gas reaches the frame through the air guide pipe and finally enters the stirring bin through the air inlet hole.

[0017] S3, the solid powder additive to be added into the stirring bin is added into the stirring bin through the metal impurity filter; the metal impurity filter is opened, and the metal impurities in the additive are filtered by the metal impurity filter.

[0018] S4, the driving motor of the stirring shaft is started to drive the stirring shaft to stir the materials in the stirring bin.

[0019] S5, after stirring, the discharge bin door at the discharge port is opened, the asphalt materials are discharged from the stirring bin through the discharge hopper, and the asphalt processing is completed.

[0020] Compared with the prior art, the above technical scheme of the present application has the following beneficial technical effects: in use, first, the asphalt raw material to be added for modified asphalt production is added into the stirring bin through the feeding table from the feeding port through the rack. By setting the gas additive adding pipe and the gas guide pipe, the gas required for the best environmental conditions for asphalt production is filled into the stirring bin. By setting the upper closed gas bin door and the lower closed gas bin door, the gas can be controlled through the gas guide pipe and finally reaches the inside of the rack and then enters the stirring bin through the air inlet hole. The solid powder additive to be added into the stirring bin is added into the stirring bin through the metal impurity filter. The metal impurity filter is opened to filter the metal impurities in the additive. The driving motor of the stirring shaft is started to drive the stirring shaft to stir the materials in the stirring bin. After uniform stirring, the discharge bin door at the discharge port is opened to lead the asphalt materials out of the stirring bin through the discharge hopper, and the asphalt processing is completed. The present application improves the production efficiency and automation degree of the modified asphalt, can improve the gas environment for asphalt production and processing, and can add the gas meeting the best environmental conditions for the mixing of asphalt and additive, thereby improving the production quality of the modified asphalt. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of an embodiment of the present application.

[0022] Figure 2 It is an explosion Figure 1 .

[0023] Figure 3 It is an explosion Figure 2 .

[0024] Figure 4 It is a perspective Figure 1 .

[0025] Figure 5 It is a perspective Figure 2 .

[0026] The drawings show that: 1, the rack; 2, the guide frame; 3, the ventilation frame; 4, the stirring bin; 5, the solid additive feeding bin cover; 6, the metal impurity filter; 7, the exhaust chimney; 8, the solid additive feeding cylinder; 9, the feeding bin door; 10, the feeding table; 11, the feeding port; 12, the driving motor mounting frame; 13, the discharge bin door; 14, the discharge hopper; 15, the discharge port; 16, the bearing; 17, the stirring shaft; 19, the gas additive adding pipe; 20, the gas guide pipe; 21, the upper closed gas bin door; 22, the air inlet hole; 23, the lower closed gas bin door; 24, the stirring rod mounting seat; 25, the stirring rod; 26, the stirring blade. DETAILED DESCRIPTION

[0027] Example one

[0028] The tire rubber powder modified asphalt production equipment proposed in this embodiment includes a frame 1, a material guide frame 2, a ventilation frame 3, a mixing bin 4, a solid additive feeding barrel 8, a feed bin door 9, a gas additive addition pipe 19 and an air guide pipe 20.

[0029] like Figure 1-3 As shown, the material guide frame 2 and the ventilation frame 3 are arranged on the frame 1; the mixing chamber 4 is arranged inside the frame 1, and the mixing chamber 4 is provided with a mixing assembly; the solid additive feeding cylinder 8 is arranged on the frame 1, and the solid additive feeding cylinder 8 is arranged at the feeding end of the mixing chamber 4; the material guide frame 2 is provided with a feeding port 11 and a discharging port 15; the feeding port 11 and the discharging port 15 on the material guide frame 2 are both connected to the mixing chamber 4; the feeding chamber door 9 is slidingly arranged on the material guide frame 2, and the feeding chamber door 9 is located at the feeding end of the mixing chamber 4. The gas additive addition pipe 19 is arranged on the material guide frame 2, and the gas outlet end of the gas additive addition pipe 19 is arranged at the gas inlet end of the air guide pipe 20; the air guide pipe 20 is arranged between the frame 1 and the mixing chamber 4; the mixing chamber 4 is provided with an air inlet 22.

[0030] It should be noted that when in use, the asphalt raw materials to be added for modified asphalt production are first added into the mixing chamber 4 through the feed table 10, the feed port 11, and the frame 1. The gas required for the optimal environmental conditions for asphalt production is filled into the mixing chamber 4 through the gas additive addition pipe 19 and the air guide pipe 20. The upper airtight chamber door 21 and the lower airtight chamber door 23 are opened to allow the gas to pass through the air guide pipe 20 to reach the inside of the frame 1 and finally enter the mixing chamber 4 through the air inlet 22. The solid powder additives to be added to the mixing chamber 4 are added to the mixing chamber 4 through the metal impurity filter 6; the metal impurity filter 6 is opened and the metal impurity filter 6 is used to filter the metal impurities in the additives. The drive motor of the stirring shaft 17 is started to drive the stirring shaft 17 to stir the material in the mixing chamber 4. After stirring evenly, the discharge chamber door 13 at the discharge port 15 is opened to lead the asphalt material out of the mixing chamber 4 through the discharge hopper 14 to complete the asphalt processing.

[0031] Example 2

[0032] The tire rubber powder modified asphalt production equipment proposed in this embodiment includes a frame 1, a material guide frame 2, a ventilation frame 3, a mixing bin 4, a solid additive feeding barrel 8, a feed bin door 9, a gas additive addition pipe 19 and an air guide pipe 20.

[0033] like Figure 1-3As shown, the material guide frame 2 and the ventilation frame 3 are arranged on the rack 1; the stirring bin 4 is arranged inside the rack 1, and the stirring bin 4 is internally provided with a stirring assembly; the solid additive feeding cylinder 8 is arranged on the rack 1, and the solid additive feeding cylinder 8 is arranged at the feeding end of the stirring bin 4; the feeding port 11 and the discharging port 15 are arranged on the material guide frame 2; the feeding port 11 and the discharging port 15 on the material guide frame 2 are both arranged in communication with the stirring bin 4; the feeding bin door 9 is slidingly arranged on the material guide frame 2, and the feeding bin door 9 is located at the feeding end of the stirring bin 4. The gas additive feeding pipe 19 is arranged on the material guide frame 2, and the gas outlet end of the gas additive feeding pipe 19 is arranged at the gas inlet end of the gas guide pipe 20; the gas guide pipe 20 is arranged between the rack 1 and the stirring bin 4; the gas inlet hole 22 is arranged on the stirring bin 4.

[0034] It should be noted that in use, first, the asphalt raw material to be added for modified asphalt production is added into the stirring bin 4 from the feeding port 11 through the feeding table 10 and the rack 1. The gas required for the best environmental conditions for asphalt production is filled into the stirring bin 4 through the gas additive feeding pipe 19 and the gas guide pipe 20, the upper and lower gas closing doors 21 and 23 are opened, the gas passes through the gas guide pipe 20 to reach the inside of the rack 1, and finally enters the stirring bin 4 through the gas inlet hole 22. The solid powder additive that needs to be added into the stirring bin 4 is added into the stirring bin 4 through the metal impurity filter 6; the metal impurity filter 6 is opened, and the metal impurity filter 6 is used to filter the metal impurities in the additive. The driving motor of the stirring shaft 17 is started to drive the stirring shaft 17 to stir the materials in the stirring bin 4. After uniform stirring, the discharging bin door 13 at the discharging port 15 is opened, the asphalt materials are led out from the stirring bin 4 through the discharging hopper 14, and the asphalt processing is completed.

[0035] Further, the metal impurity filter 6 and the exhaust chimney 7 are also included; the metal impurity filter 6 is arranged on the solid additive feeding cylinder 8; the exhaust chimney 7 is arranged on the stirring bin 4, the metal impurity filter 6 is arranged, and the metal impurity filter 6 is used to filter the metal impurities contained in the additive, thereby improving the production quality of the asphalt.

[0036] Example Three

[0037] The tire rubber powder modified asphalt production equipment provided in this embodiment comprises a rack 1, a material guide frame 2, a ventilation frame 3, a stirring bin 4, a solid additive feeding cylinder 8, a feeding bin door 9, a gas additive feeding pipe 19, and a gas guide pipe 20.

[0038] As Figure 1-5As shown, the material guide frame 2 and the ventilation frame 3 are arranged on the frame 1; the mixing chamber 4 is arranged inside the frame 1, and the mixing chamber 4 is provided with a mixing assembly; the solid additive feeding cylinder 8 is arranged on the frame 1, and the solid additive feeding cylinder 8 is arranged at the feeding end of the mixing chamber 4; the material guide frame 2 is provided with a feeding port 11 and a discharging port 15; the feeding port 11 and the discharging port 15 on the material guide frame 2 are both connected to the mixing chamber 4; the feeding chamber door 9 is slidingly arranged on the material guide frame 2, and the feeding chamber door 9 is located at the feeding end of the mixing chamber 4. The gas additive addition pipe 19 is arranged on the material guide frame 2, and the gas outlet end of the gas additive addition pipe 19 is arranged at the gas inlet end of the air guide pipe 20; the air guide pipe 20 is arranged between the frame 1 and the mixing chamber 4; the mixing chamber 4 is provided with an air inlet 22.

[0039] It should be noted that when in use, the asphalt raw materials to be added for modified asphalt production are first added into the mixing chamber 4 through the feed table 10, the feed port 11, and the frame 1. The gas required for the optimal environmental conditions for asphalt production is filled into the mixing chamber 4 through the gas additive addition pipe 19 and the air guide pipe 20. The upper airtight chamber door 21 and the lower airtight chamber door 23 are opened to allow the gas to pass through the air guide pipe 20 to reach the inside of the frame 1 and finally enter the mixing chamber 4 through the air inlet 22. The solid powder additives to be added to the mixing chamber 4 are added to the mixing chamber 4 through the metal impurity filter 6; the metal impurity filter 6 is opened and the metal impurity filter 6 is used to filter the metal impurities in the additives. The drive motor of the stirring shaft 17 is started to drive the stirring shaft 17 to stir the material in the mixing chamber 4. After stirring evenly, the discharge chamber door 13 at the discharge port 15 is opened to lead the asphalt material out of the mixing chamber 4 through the discharge hopper 14 to complete the asphalt processing.

[0040] Furthermore, it also includes a discharge bin door 13 and a discharge hopper 14; the discharge bin door 13 is slidably arranged on the guide frame 2; the discharge hopper 14 is arranged at the discharge port 15 of the guide frame 2. It is convenient to carry out the feeding and discharging of the mixing and eating 4.

[0041] Example 4

[0042] The tire rubber powder modified asphalt production equipment proposed in this embodiment includes a frame 1, a material guide frame 2, a ventilation frame 3, a mixing bin 4, a solid additive feeding barrel 8, a feed bin door 9, a gas additive addition pipe 19 and an air guide pipe 20.

[0043] like Figure 1-5As shown, the material guide frame 2 and the ventilation frame 3 are arranged on the frame 1; the mixing chamber 4 is arranged inside the frame 1, and the mixing chamber 4 is provided with a mixing assembly; the solid additive feeding cylinder 8 is arranged on the frame 1, and the solid additive feeding cylinder 8 is arranged at the feeding end of the mixing chamber 4; the material guide frame 2 is provided with a feeding port 11 and a discharging port 15; the feeding port 11 and the discharging port 15 on the material guide frame 2 are both connected to the mixing chamber 4; the feeding chamber door 9 is slidingly arranged on the material guide frame 2, and the feeding chamber door 9 is located at the feeding end of the mixing chamber 4. The gas additive addition pipe 19 is arranged on the material guide frame 2, and the gas outlet end of the gas additive addition pipe 19 is arranged at the gas inlet end of the air guide pipe 20; the air guide pipe 20 is arranged between the frame 1 and the mixing chamber 4; the mixing chamber 4 is provided with an air inlet 22.

[0044] It should be noted that when in use, the asphalt raw materials to be added for modified asphalt production are first added into the mixing chamber 4 through the feed table 10, the feed port 11, and the frame 1. The gas required for the optimal environmental conditions for asphalt production is filled into the mixing chamber 4 through the gas additive addition pipe 19 and the air guide pipe 20. The upper airtight chamber door 21 and the lower airtight chamber door 23 are opened to allow the gas to pass through the air guide pipe 20 to reach the inside of the frame 1 and finally enter the mixing chamber 4 through the air inlet 22. The solid powder additives to be added to the mixing chamber 4 are added to the mixing chamber 4 through the metal impurity filter 6; the metal impurity filter 6 is opened and the metal impurity filter 6 is used to filter the metal impurities in the additives. The drive motor of the stirring shaft 17 is started to drive the stirring shaft 17 to stir the material in the mixing chamber 4. After stirring evenly, the discharge chamber door 13 at the discharge port 15 is opened to lead the asphalt material out of the mixing chamber 4 through the discharge hopper 14 to complete the asphalt processing.

[0045] Furthermore, it also includes a drive motor mounting frame 12, a bearing 16 and a stirring shaft 17; the drive motor mounting frame 12 is arranged on the material guide frame 2; the drive motor of the stirring shaft 17 is arranged on the drive motor mounting frame 12, and the stirring shaft 17 is rotatably arranged on the bearing 16; the bearing 16 is arranged on the material guide frame 2.

[0046] Furthermore, the stirring rod mounting base 24, the stirring rod 25, and the stirring blade 26 are included; the stirring rod mounting base 24 is detachably mounted on the stirring shaft 17; the stirring rod 25 is mounted on the stirring rod mounting base 24; and the stirring blade 26 is mounted at one end of the stirring rod 25. The detachable stirring rod 25 and stirring blade 26 improve the cleaning efficiency of the stirring rod 25.

[0047] Example 5

[0048] The tire rubber powder modified asphalt production equipment proposed in this embodiment includes a frame 1, a material guide frame 2, a ventilation frame 3, a mixing bin 4, a solid additive feeding barrel 8, a feed bin door 9, a gas additive addition pipe 19 and an air guide pipe 20.

[0049] like Figure 1-5 As shown, the material guide frame 2 and the ventilation frame 3 are arranged on the frame 1; the mixing chamber 4 is arranged inside the frame 1, and the mixing chamber 4 is provided with a mixing assembly; the solid additive feeding cylinder 8 is arranged on the frame 1, and the solid additive feeding cylinder 8 is arranged at the feeding end of the mixing chamber 4; the material guide frame 2 is provided with a feeding port 11 and a discharging port 15; the feeding port 11 and the discharging port 15 on the material guide frame 2 are both connected to the mixing chamber 4; the feeding chamber door 9 is slidingly arranged on the material guide frame 2, and the feeding chamber door 9 is located at the feeding end of the mixing chamber 4. The gas additive addition pipe 19 is arranged on the material guide frame 2, and the gas outlet end of the gas additive addition pipe 19 is arranged at the gas inlet end of the air guide pipe 20; the air guide pipe 20 is arranged between the frame 1 and the mixing chamber 4; the mixing chamber 4 is provided with an air inlet 22.

[0050] It should be noted that when in use, the asphalt raw materials to be added for modified asphalt production are first added into the mixing chamber 4 through the feed table 10, the feed port 11, and the frame 1. The gas required for the optimal environmental conditions for asphalt production is filled into the mixing chamber 4 through the gas additive addition pipe 19 and the air guide pipe 20. The upper airtight chamber door 21 and the lower airtight chamber door 23 are opened to allow the gas to pass through the air guide pipe 20 to reach the inside of the frame 1 and finally enter the mixing chamber 4 through the air inlet 22. The solid powder additives to be added to the mixing chamber 4 are added to the mixing chamber 4 through the metal impurity filter 6; the metal impurity filter 6 is opened and the metal impurity filter 6 is used to filter the metal impurities in the additives. The drive motor of the stirring shaft 17 is started to drive the stirring shaft 17 to stir the material in the mixing chamber 4. After stirring evenly, the discharge chamber door 13 at the discharge port 15 is opened to lead the asphalt material out of the mixing chamber 4 through the discharge hopper 14 to complete the asphalt processing.

[0051] Furthermore, it also includes an upper air-sealing door 21 and a lower air-sealing door 23; the upper air-sealing door 21 and the lower air-sealing door 23 are slidably arranged on the ventilation frame 3, and are both located between the mixing chamber 4 and the frame 1. When the upper air-sealing door 21 and the lower air-sealing door 23 are closed, the air duct 20 is disconnected from the mixing chamber 4. On the contrary, when the upper air-sealing door 21 and the lower air-sealing door 23 are opened, the air duct 20 is connected to the mixing chamber 4. The upper air-sealing door 21 and the lower air-sealing door 23 are provided to control the inflow and outflow of gas in the mixing chamber 4.

[0052] Furthermore, it also includes a solid additive feeding bin cover 5; the solid additive feeding bin cover 5 is detachably arranged on the solid additive feeding cylinder 8.

[0053] Furthermore, it also includes a feeding platform 10; the feeding platform 10 is set on the guide frame 2, and the feeding platform 10 is located at the feeding end of the mixing bin 4.

[0054] A method for producing tire rubber powder modified asphalt comprises the following steps:

[0055] S1. The asphalt raw materials to be added for producing modified asphalt are added into the mixing chamber 4 through the feed platform 10, the feed port 11 and the frame 1.

[0056] S2. Fill the mixing chamber 4 with the gas required for the optimal environmental conditions for asphalt production through the gas additive adding pipe 19 and the air guide pipe 20, open the upper air-blocking chamber door 21 and the lower air-blocking chamber door 23, and allow the gas to pass through the air guide pipe 20 to reach the inside of the frame 1 and finally enter the mixing chamber 4 through the air inlet 22.

[0057] S3. Add the solid powder additive to be added to the stirring chamber 4 through the metal impurity filter 6 into the stirring chamber 4; open the metal impurity filter 6 and use the metal impurity filter 6 to filter the metal impurities in the additive.

[0058] S4, starting the driving motor of the stirring shaft 17 to drive the stirring shaft 17 to stir the materials in the stirring bin 4.

[0059] S5. After the mixture is evenly stirred, the discharge bin door 13 at the discharge port 15 is opened, and the asphalt material is led out from the mixing bin 4 through the discharge hopper 14 to complete the asphalt processing.

[0060] It should be understood that the above-described specific embodiments of the present invention are merely illustrative or illustrative of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the scope of protection of the present invention. In addition, the appended claims are intended to cover all variations and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents thereof.

Claims

1. A production equipment for tire rubber powder modified asphalt, comprising a frame (1), a material guide frame (2), a ventilation frame (3) and a mixing chamber (4), characterized in that: It comprises a solid additive feeding cylinder (8), a feeding bin door (9), a gas additive adding pipe (19) and an air guide pipe (20); The material guide frame (2) and the ventilation frame (3) are arranged on the frame (1); the stirring chamber (4) is arranged inside the frame (1), and a stirring assembly is arranged inside the stirring chamber (4); the solid additive feeding cylinder (8) is arranged on the frame (1), and the solid additive feeding cylinder (8) is arranged at the feeding end of the stirring chamber (4); the material guide frame (2) is provided with a feeding port (11) and a discharging port (15); the feeding port (11) and the discharging port (15) on the material guide frame (2) are both connected to the stirring chamber (4); the feeding chamber door (9) is slidably arranged on the material guide frame (2), and the feeding chamber door (9) is located at the feeding end of the stirring chamber (4); A gas additive adding pipe (19) is arranged on the material guide frame (2), and a gas outlet end of the gas additive adding pipe (19) is arranged at a gas inlet end of an air guide pipe (20); the air guide pipe (20) is arranged between the frame (1) and the stirring chamber (4); an air inlet hole (22) is arranged on the stirring chamber (4); The invention also includes an upper air-sealing silo door (21) and a lower air-sealing silo door (23); the upper air-sealing silo door (21) and the lower air-sealing silo door (23) are slidably arranged on the ventilation frame (3); the upper air-sealing silo door (21) and the lower air-sealing silo door (23) are both located between the mixing silo (4) and the frame (1); when the upper air-sealing silo door (21) and the lower air-sealing silo door (23) are closed, the air guide pipe (20) is disconnected from the mixing silo (4); on the contrary, when the upper air-sealing silo door (21) and the lower air-sealing silo door (23) are opened, the air guide pipe (20) is connected to the mixing silo (4), so that the gas required for the optimal environmental conditions for asphalt production is filled into the mixing silo (4) through the gas additive addition pipe (19) and the air guide pipe (20).

2. The production equipment of tire rubber powder modified asphalt according to claim 1, characterized in that: It also includes a metal impurity filter (6) and an exhaust chimney (7); the metal impurity filter (6) is arranged on the solid additive feeding barrel (8); and the exhaust chimney (7) is arranged on the stirring bin (4).

3. The production equipment of tire rubber powder modified asphalt according to claim 1, characterized in that: It also includes a discharge bin door (13) and a discharge hopper (14); the discharge bin door (13) is slidably arranged on the guide frame (2); and the discharge hopper (14) is arranged at the discharge port (15) of the guide frame (2).

4. The production equipment of tire rubber powder modified asphalt according to claim 1, characterized in that: The invention also includes a drive motor mounting frame (12), a bearing (16) and a stirring shaft (17); the drive motor mounting frame (12) is arranged on the material guide frame (2); the drive motor of the stirring shaft (17) is arranged on the drive motor mounting frame (12), and the stirring shaft (17) is rotatably arranged on the bearing (16); and the bearing (16) is arranged on the material guide frame (2).

5. The production equipment of tire rubber powder modified asphalt according to claim 4, characterized in that: The stirring rod mounting seat (24), the stirring rod (25) and the stirring blade (26) are also included; the stirring rod mounting seat (24) is detachably arranged on the stirring shaft (17); the stirring rod (25) is arranged on the stirring rod mounting seat (24); and the stirring blade (26) is arranged at one end of the stirring rod (25).

6. The production equipment of tire rubber powder modified asphalt according to claim 1, characterized in that: It also includes a solid additive feeding bin cover (5); the solid additive feeding bin cover (5) is detachably arranged on the solid additive feeding cylinder (8).

7. The production equipment of tire rubber powder modified asphalt according to claim 1, characterized in that: It also includes a feeding platform (10); the feeding platform (10) is arranged on the material guide frame (2), and the feeding platform (10) is located at the feeding end of the stirring bin (4).

8. A method for producing tire rubber powder modified asphalt, using the tire rubber powder modified asphalt production equipment according to any one of claims 1 to 7, characterized in that: The steps include: S1, adding the asphalt raw materials to be added for modified asphalt production through the feed station (10) from the feed port (11) through the frame (1) into the mixing chamber (4); S2, filling the mixing chamber (4) with gas required for optimal environmental conditions for asphalt production through the gas additive adding pipe (19) and the air guide pipe (20), opening the upper air-blocking chamber door (21) and the lower air-blocking chamber door (23), allowing the gas to pass through the air guide pipe (20) to reach the inside of the frame (1) and finally enter the mixing chamber (4) through the air inlet hole (22); S3, adding the solid powder additive to be added to the stirring chamber (4) into the stirring chamber (4) through the metal impurity filter (6); opening the metal impurity filter (6), and using the metal impurity filter (6) to filter the metal impurities in the additive; S4, starting the driving motor of the stirring shaft (17), driving the stirring shaft (17) to stir the material in the stirring bin (4); S5. After the mixture is evenly stirred, the discharge bin door (13) at the discharge port (15) is opened to draw the asphalt material out of the mixing bin (4) through the discharge hopper (14), thus completing the asphalt processing.

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