Asphalt mixture heating and stirring device

Abstract

The utility model discloses an asphalt mixture heating and stirring device which comprises a mixing box and a filtering box, the filtering box is arranged at the top end of one side of the mixing box, the output end of a first driving motor penetrates through the mixing box to be fixedly connected with a stirring shaft, stirring rods are evenly arranged on the stirring shaft, and connecting rods with downward inclined surfaces are arranged on the two sides of the bottom of the stirring shaft. And a heating box is arranged on the plane of one side of the filter box, an exhaust pipe II is arranged in the middle of the bottom of the filter box, the other end of the exhaust pipe II is connected with the top end of one side of the heating box, and activated carbon and a drying agent are slidably connected between the sliding grooves. According to the utility model, materials in the mixing box are uniformly heated and stirred, so that the stirring effect can be improved, and during stirring, produced hot gas can be recycled after being filtered, so that the waste of resources can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt mixtures, in particular to an asphalt mixture heating and stirring device. Background Art

[0002] Asphalt mixture refers to a mixture formed by mixing unheated mineral materials (aggregates) and diluted asphalt. It is composed of base asphalt, release agent and additives mixed in proportion in an asphalt mixing tank and stirred evenly to prepare "asphalt cold repair liquid". It can be widely used in pavement, bridge pavement, parking lots, airport runway paving pipeline trenches, large, medium and small residential communities, industrial parks, bridge head joints and repairs of areas touched by construction machinery.

[0003] In the prior art, general asphalt mixture stirring devices cannot evenly heat and stir the internal materials, resulting in poor overall material stirring effect. In addition, the gas produced by the asphalt during heating is directly filtered and discharged without secondary utilization, which will cause a certain amount of resource waste. Utility Model Content

[0004] The purpose of the utility model is to provide an asphalt mixture heating and stirring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt mixture heating and stirring device, comprising a mixing box and a filter box, a filter box is provided at the top of one side of the mixing box, and the bottom end of the mixing box is funnel-shaped, a first drive motor is provided at the middle position of the top of the mixing box, and the output end of the first drive motor passes through the mixing box and is fixedly connected to a stirring shaft, stirring rods are evenly provided on the stirring shaft, and the other ends of the stirring rods are provided with scrapers that fit with the inner wall of the mixing box, connecting rods with downward inclined surfaces are provided on both sides of the bottom of the stirring shaft, and inclined rods are provided at the other ends of the connecting rods, support rods are evenly provided on the inner sides of the inclined rods, and the other sides of the inclined rods fit with the inner wall of the bottom end of the mixing box, a heating box is provided on the plane of one side of the filter box, An exhaust pipe 2 is provided in the middle position of the bottom of the filter box, and the other end of the exhaust pipe 2 is connected to the top of one side of the heating box. Slide grooves are provided in the middle positions of both sides of the filter box, and activated carbon and desiccant are slidably connected between the slide grooves, so that the stirring shaft drives the stirring rod, the connecting rod and the inclined rod to rotate and stir together, and the scraper at one end of the stirring rod can scrape off the material attached to the inner wall, and the inclined rod can scrape off the material attached to the funnel-shaped inner wall of the bottom of the mixing box, and the support rod can rotate to stir the material at the bottom to prevent the material from sinking to the bottom, thereby improving the stirring effect. During stirring, the hot air can enter the filter box through the exhaust pipe 1, and then be dried and adsorbed by the desiccant and activated carbon, and then enter the heating box through the exhaust pipe 2, so that the hot air can be reused for a second time to reduce the waste of resources.

[0006] Preferably, a heating layer is provided in the mixing box, and heating pipes are evenly arranged around the heating layer of the mixing box, so that the surrounding heating pipes can evenly heat the mixing box, thereby achieving a better heating effect.

[0007] Preferably, the bottom of the heating tube close to the filter box is connected to the bottom end of the heating box through an air inlet pipe, and the top of the heating tube close to the filter box is connected to the top of the heating box through an air outlet pipe.

[0008] Preferably, a sealed door is fixedly connected to the front of the filter box via a hinge, and an exhaust pipe 1 is provided in the middle of the top of the filter box.

[0009] Preferably, the other end of the exhaust pipe 1 is connected to one side of the top of the mixing box, and a filter is provided at the bottom of the exhaust pipe 1 at the top of the mixing box, so that the filter filters the hot air to prevent asphalt from entering the exhaust pipe 1.

[0010] Preferably, a feeding box is provided on one side of the top of the mixing box, and one side of the bottom of the feeding box is connected to the mixing box through a pipeline, and a plurality of feeding pipes are provided on one side of the top of the feeding box away from the pipeline.

[0011] Preferably, a second drive motor is provided at the middle position of the feed box away from one side of the pipeline, and the output end of the second drive motor passes through the feed box and is fixedly connected to a feed shaft, and a feed auger is provided on the feed shaft, so that the feed shaft drives the feed auger to feed, which can improve the feeding effect.

[0012] Preferably, a discharge pipe is provided in the middle position of the bottom of the mixing box, and a scraper rod is provided on the stirring rod at the top of the mixing box at a position corresponding to the exhaust pipe, and the top of the scraper rod is in contact with the filter screen, so that the scraper rod rotates to scrape off the asphalt attached to the filter screen to prevent it from clogging the filter screen and affecting the exhaust effect.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the asphalt mixture heating and stirring device heats the mixing box evenly through the heating pipe, and then the first driving motor drives the stirring rod on the stirring shaft to rotate and stir, so that the scraper at one end of the stirring rod can scrape off the material attached to the inner wall, and at the same time, the bottom end of the stirring shaft can drive the connecting rod and the inclined rod to rotate, so that the material attached to the funnel-shaped inner wall at the bottom of the mixing box can be scraped off, and the support rod can rotate to stir the material at the bottom to prevent the material from sinking to the bottom, so that the material can be heated and stirred more evenly, and the stirring effect can be improved. During stirring, the gas generated after the material is heated can enter the filter box through the exhaust pipe 1, and then be dried and adsorbed by the desiccant and activated carbon. After the gas is dried and adsorbed, it can enter the heating box through the exhaust pipe 2, so the hot gas can be reused for a second time to reduce the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the mixing box of the utility model;

[0016] Figure 3 This is a schematic diagram of the main cross-sectional structure of the filter box of the utility model;

[0017] Figure 4 This is a schematic diagram of the main cross-sectional structure of the feeding box of the utility model;

[0018] Figure 5 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] In the figure: 1. mixing box; 2. filter box; 3. heating box; 4. feeding box; 5. first drive motor; 6. second drive motor; 7. exhaust pipe 1; 8. exhaust pipe 2; 9. air inlet pipe; 10. air outlet pipe; 11. stirring shaft; 12. connecting rod; 13. inclined rod; 14. supporting rod; 15. heating tube; 16. stirring rod; 17. chute; 18. activated carbon; 19. desiccant; 20. feeding auger; 21. feeding shaft; 22. filter screen; 23. scraper rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5The utility model provides an embodiment: an asphalt mixture heating and stirring device, including a mixing box 1 and a filter box 2, a heating layer is provided in the mixing box 1, and a heating pipe 15 is evenly surrounded in the heating layer of the mixing box 1, the bottom of the heating pipe 15 close to the filter box 2 is connected to the bottom end of one side of the heating box 3 through an air inlet pipe 9, and the top of the heating pipe 15 close to the filter box 2 is connected to the top of the heating box 3 through an air outlet pipe 10, a filter box 2 is provided at the top of one side of the mixing box 1, a sealed door is fixedly connected to the front of the filter box 2 through a hinge, and an exhaust pipe 7 is provided in the middle position of the top of the filter box 2, the other end of the exhaust pipe 7 is connected to one side of the top of the mixing box 1, and the bottom of the exhaust pipe 7 at the top of the mixing box 1 is provided A filter screen 22 is provided, and the bottom end of the mixing box 1 is funnel-shaped. A first drive motor 5 is provided in the middle position of the top of the mixing box 1, and the output end of the first drive motor 5 passes through the mixing box 1 and is fixedly connected to a stirring shaft 11. A stirring rod 16 is evenly provided on the stirring shaft 11, and the other end of the stirring rod 16 is provided with a scraper to fit the inner wall of the mixing box 1. Both sides of the bottom of the stirring shaft 11 are provided with connecting rods 12 with a downward slope, and the other end of the connecting rod 12 is provided with an inclined rod 13, and the inner side of the inclined rod 13 is evenly provided with a support rod 14, and the other side of the inclined rod 13 is in contact with the inner wall of the bottom end of the mixing box 1. A heating box 3 is provided on the plane on one side of the filter box 2, and an exhaust pipe 2 8 is provided in the middle position of the bottom of the filter box 2, and the exhaust pipe 2 8 The other end is connected to the top of one side of the heating box 3. The middle positions of both sides of the filter box 2 are provided with chutes 17, and activated carbon 18 and desiccant 19 are slidably connected between the chutes 17, so that the heating box 3 sends hot air into the heating tube 15 through the air inlet pipe 9, and the heating tube 15 can heat the mixing box 1 evenly, and then re-enter the heating box 3 through the air outlet pipe 10. When all the materials enter the mixing box 1, the first drive motor 5 can be started to drive the stirring shaft 11 to rotate, so that the stirring shaft 11 drives the stirring rod 16 to rotate and stir, and the scraper can also scrape off the materials attached to the inner wall. At the same time, the bottom end of the stirring shaft 11 can drive the connecting rod 12 and the inclined rod 13 to rotate, and the materials attached to the funnel-shaped inner wall at the bottom of the mixing box 1 can be scraped off. The support rod 14 is rotated to stir the material at the bottom to prevent the material from sinking to the bottom, so that the material can be stirred more evenly and heated evenly, which can improve the stirring effect. During stirring, the gas generated after the material is heated can pass through the filter screen 22 and the exhaust pipe 17 into the filter box 2, and then dry and adsorb through the desiccant 19 and the activated carbon 18, which can prevent the moisture in the hot air from affecting the adsorption effect of the activated carbon 18, and prevent the polluted gas from directly entering the heating box 3 and affecting the use effect of the heating box 3. After the gas is dried and adsorbed, it can enter the heating box 3 through the exhaust pipe 28, so that the hot air can be reused for a second time, reducing the waste of resources. When the desiccant 19 and the activated carbon 18 need to be replaced, each one can be opened by opening the sealed door to take them out and replace them;

[0022] A feeding box 4 is provided on one side of the top of the mixing box 1, and one side of the bottom of the feeding box 4 is connected to the mixing box 1 through a pipeline, and a plurality of feeding pipes are provided on the side of the top of the feeding box 4 away from the pipeline, and a second driving motor 6 is provided in the middle position of the feeding box 4 away from the pipeline, and the output end of the second driving motor 6 passes through the feeding box 4 and is fixedly connected to a feeding shaft 21, and a feeding auger 20 is provided on the feeding shaft 21, so that the staff can synchronously put asphalt and mixed material into the feeding box 4 through the feeding pipe, and then start the second driving motor 6 to drive the feeding auger 20 on the feeding shaft 21 to rotate and feed the material, so that the material can be delivered to the pipeline and discharged into the mixing box 1, which can increase the feeding speed;

[0023] A discharge pipe is provided in the middle position at the bottom of the mixing box 1, and a scraper rod 23 is provided on the stirring rod 16 at the top of the mixing box 1 at a position corresponding to the exhaust pipe 7, and the top of the scraper rod 23 is in contact with the filter screen 22, so that when the stirring rod 16 rotates, the scraper rod 23 is driven to rotate together, and the top of the scraper rod 23 can scrape off the asphalt attached to the filter screen 22 to prevent it from clogging the exhaust pipe 7 and affecting the exhaust effect.

[0024] When the embodiment of the present application is in use, the hot air is sent into the heating pipe 15 through the air inlet pipe 9 through the heating box 3, so that the heating pipe 15 can evenly heat the mixing box 1, and then the asphalt and the mixture can be re-entered into the heating box 3 through the air outlet pipe 10. When heated to a certain temperature, the asphalt and the mixture can be simultaneously put into the feeding box 4 through the feeding pipe, and then the second drive motor 6 is started to drive the feeding auger 20 on the feeding shaft 21 to rotate and feed the materials, so that the materials can be sent to the pipeline and discharged into the mixing box 1, which can increase the feeding speed. After all the materials have entered the mixing box 1, the first drive motor 5 can be started to drive the stirring shaft 11 to rotate, so that the stirring shaft 11 drives the stirring rod 16 to rotate and stir, and the scraper can also scrape off the materials attached to the inner wall. At the same time, the bottom end of the stirring shaft 11 can drive the connecting rod 12 and the inclined rod 13 to rotate, so that the materials attached to the funnel-shaped inner wall at the bottom of the mixing box 1 can be scraped off, and the support rod 14 can be rotated to stir the materials at the bottom to prevent objects from being mixed. The material sinks to the bottom, which makes it easier to stir the material more evenly and heat it evenly, thereby improving the stirring effect. During stirring, the gas generated after the material is heated can enter the filter box 2 through the filter screen 22 and the exhaust pipe 7, and then be dried and adsorbed through the desiccant 19 and the activated carbon 18, thereby preventing the moisture in the hot air from affecting the adsorption effect of the activated carbon 18, and preventing the polluted gas from directly entering the heating box 3 and affecting the use effect of the heating box 3. After the gas is dried and adsorbed, it can enter the heating box 3 through the exhaust pipe 28, thereby reusing the hot air and reducing the waste of resources. When the stirring rod 16 rotates, the scraper rod 23 can be driven to rotate together, so that the top of the scraper rod 23 can scrape off the asphalt attached to the filter screen 22 to prevent it from clogging the exhaust pipe 7 and affecting the exhaust effect. When the desiccant 19 and the activated carbon 18 need to be replaced, the sealed door can be opened each time to take them out and replace them. When the asphalt is evenly stirred, it can be discharged from the discharge pipe.

[0025] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. An asphalt mixture heating and stirring device, characterized in that: The invention comprises a mixing box (1) and a filter box (2), wherein the filter box (2) is provided at the top of one side of the mixing box (1), and the bottom of the mixing box (1) is funnel-shaped, a first drive motor (5) is provided at the middle position of the top of the mixing box (1), and the output end of the first drive motor (5) passes through the mixing box (1) and is fixedly connected to a stirring shaft (11), stirring rods (16) are evenly arranged on the stirring shaft (11), and the other ends of the stirring rods (16) are provided with scrapers that fit the inner wall of the mixing box (1), and connecting rods (12) with downward inclined surfaces are provided on both sides of the bottom of the stirring shaft (11), and the connecting rods (12) are provided with downward inclined surfaces. The other end of the rod (12) is provided with an inclined rod (13), the inner side of the inclined rod (13) is evenly provided with a support rod (14), and the other side of the inclined rod (13) is in contact with the inner wall of the bottom end of the mixing box (1). A heating box (3) is provided on the plane of one side of the filter box (2), and an exhaust pipe (8) is provided in the middle position of the bottom of the filter box (2), and the other end of the exhaust pipe (8) is connected to the top of one side of the heating box (3). Slide grooves (17) are provided in the middle position of both sides of the filter box (2), and activated carbon (18) and a desiccant (19) are slidably connected between the slide grooves (17).

2. The asphalt mixture heating and stirring device according to claim 1, characterized in that: A heating layer is provided in the mixing box (1), and heating pipes (15) are evenly surrounded in the heating layer of the mixing box (1).

3. The asphalt mixture heating and stirring device according to claim 2, characterized in that: The bottom of the heating tube (15) close to the filter box (2) is connected to the bottom end of the heating box (3) through an air inlet pipe (9), and the top of the heating tube (15) close to the filter box (2) is connected to the top of the heating box (3) through an air outlet pipe (10).

4. The asphalt mixture heating and stirring device according to claim 1, characterized in that: A sealed door is fixedly connected to the front of the filter box (2) via a hinge, and an exhaust pipe (7) is provided in the middle of the top of the filter box (2).

5. The asphalt mixture heating and stirring device according to claim 4, characterized in that: The other end of the exhaust pipe 1 (7) is connected to one side of the top of the mixing box (1), and a filter screen (22) is provided at the bottom of the exhaust pipe 1 (7) at the top of the mixing box (1).

6. The asphalt mixture heating and stirring device according to claim 1, characterized in that: A feeding box (4) is provided on one side of the top of the mixing box (1), and a bottom side of the feeding box (4) is connected to the mixing box (1) via a pipeline, and a plurality of feeding pipes are provided on a side of the top of the feeding box (4) away from the pipeline.

7. The asphalt mixture heating and stirring device according to claim 6, characterized in that: A second drive motor (6) is provided at a middle position of the feeding box (4) away from the pipeline, and an output end of the second drive motor (6) passes through the feeding box (4) and is fixedly connected to a feeding shaft (21), and a feeding auger (20) is provided on the feeding shaft (21).

8. The asphalt mixture heating and stirring device according to claim 1, characterized in that: A discharge pipe is provided in the middle of the bottom of the mixing box (1), and a scraper rod (23) is provided on the stirring rod (16) at the top end of the mixing box (1) at a position corresponding to the exhaust pipe 1 (7), and the top of the scraper rod (23) is in contact with the filter screen (22).

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