CN220502969U - a heating furnace - Google Patents

Abstract

The utility model relates to a heating furnace, which comprises a heating furnace shell, wherein a heating wire is arranged in the heating furnace shell, a stirring assembly is arranged at the upper end of the heating furnace shell, the stirring assembly comprises a first motor fixedly arranged at the upper end of the heating furnace shell, two rotating rods are rotatably connected to the heating furnace shell through bearings, a first gear is arranged on each rotating rod, the two first gears are in meshed connection, a first driving wheel is respectively arranged on the first motor and one of the rotating rods, a first driving belt is connected between the two first driving wheels, the lower ends of the two rotating rods penetrate through the heating furnace shell and are respectively connected with a plurality of stirring rods, and a feeding hopper is arranged at the upper end of the heating furnace shell, so that asphalt blocks can be heated conveniently, and the asphalt can be uniformly heated while being stirred, the heating efficiency of the whole heating furnace is improved, asphalt can be prevented from remaining inside the heating furnace shell by a scraping plate, and resources are saved.

Description

a heating furnace

Technical field

The utility model relates to the technical field of heating furnaces, specifically a heating furnace.

Background technique

Asphalt is in the form of solidified blocks at room temperature. When using asphalt, it needs to be heated to enhance the fluidity of the asphalt to achieve better use results. A heating furnace is generally required when heating asphalt. Some existing heating furnaces are generally heated by heating wires in the furnace shell. The asphalt close to the heating wire in the heating furnace heats quickly, and the asphalt far away from the heating wire heats slowly. The entire heating furnace heats the asphalt unevenly, causing the asphalt to be heated unevenly. The long heating time affects the heating efficiency.

Secondly, some existing heating furnaces do not have a crushing function. When asphalt blocks of different sizes are heated, the asphalt is prone to uneven melting, which affects the heating efficiency of the entire heating furnace.

Utility model content

(1) Technical problems solved

In view of the shortcomings of the existing technology, the utility model provides a heating furnace, which solves the problem of uneven heating of asphalt in some existing heating furnaces.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solution: a heating furnace, including a heating furnace shell, a heating wire is provided inside the heating furnace shell, a stirring assembly is provided at the upper end of the heating furnace shell, and the stirring assembly includes A first motor is fixedly arranged on the upper end of the heating furnace shell. Two rotating rods are rotatably connected to the heating furnace shell through bearings. Each of the rotating rods is provided with a first gear, and the two first gears are meshed and connected. , the first motor and one of the rotating rods are respectively provided with first transmission wheels, a first transmission belt is connected between the two first transmission wheels, and the lower ends of the two rotating rods pass through the heating furnace shell A plurality of stirring rods are respectively connected. A feeding hopper is provided at the upper end of the heating furnace shell. A crushing assembly is provided in the feeding hopper. The crushing assembly includes a second motor arranged on one side of the feeding hopper to facilitate The asphalt is heated and stirred at the same time, so that the asphalt is heated evenly and the heating efficiency of the entire heating furnace is improved.

Preferably, the feed hopper is provided with two rotating shafts, each of which is provided with a crushing roller, and each of the crushing rollers is evenly provided with a plurality of crushing teeth on the outside to facilitate the crushing of asphalt blocks. To crush.

Preferably, one end of the two rotating shafts passes through the feed hopper and is respectively connected to a second gear, and the two second gears are meshed and connected to facilitate the rotation of the two rotating shafts.

Preferably, a second transmission wheel is provided on the driving end of the second motor and one of the rotating shafts respectively, and a second transmission belt is connected between the two second transmission wheels to facilitate the rotation of the rotating rod. .

Preferably, a third motor is provided at the lower end of the heating furnace shell, and the driving end of the third motor passes through the heating furnace shell and is connected to a rotating arm to facilitate rotation of the rotating arm.

Preferably, the upper end of the rotating arm is symmetrically provided with two scrapers, and the upper ends of the two scrapers are connected to limiting rings. The limiting rings are movably connected to the heating furnace shell to facilitate limiting the scrapers. Bit.

Preferably, the lower end of the heating furnace shell is provided with a discharge pipe, and the discharge pipe is provided with a valve body to facilitate discharging materials.

(3) Beneficial effects

Compared with the existing technology, the utility model provides a heating furnace with the following beneficial effects:

1. In this utility model, the heating furnace shell, the heating wire, the first motor, the rotating rod, the first gear, the first transmission wheel, the first transmission belt and the stirring rod cooperate to heat the asphalt and stir it at the same time. It makes the asphalt heat more evenly, saves heating time, and improves the efficiency of the entire heating furnace in heating asphalt.

2. In the present utility model, through the cooperation of the second motor, the rotating shaft, the crushing roller, the crushing teeth, the second gear, the second transmission wheel and the second transmission belt, the block asphalt can be crushed and then heated, which reduces the amount of asphalt. The phenomenon of uneven melting during heating saves heating and melting time and improves heating efficiency.

3. In this utility model, through the cooperation of the third motor, the rotating arm, the scraper and the limit ring, the asphalt adhered to the heating furnace shell during the heating process of the asphalt can be scraped off to prevent asphalt from remaining in the heating furnace shell. Internally, resources are saved.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of a heating furnace in the utility model;

Figure 2 is a schematic diagram of the overall structure of a heating furnace in the utility model from another perspective;

Figure 3 is a partially enlarged schematic diagram of A in Figure 2 of the present invention;

Figure 4 is a schematic cross-sectional structural diagram of the heating furnace in the present utility model;

Figure 5 is a partial cross-sectional structural diagram of the feed hopper of the utility model.

In the picture: 1. Heating furnace shell; 2. Heating wire; 3. First motor; 4. Rotary rod; 5. First gear; 6. First transmission wheel; 7. First transmission belt; 8. Stirring rod; 9 , Feed hopper; 10. Second motor; 11. Rotating shaft; 12. Crushing roller; 13. Crushing teeth; 14. Second gear; 15. Second transmission wheel; 16. Second transmission belt; 17. Third motor; 18. Rotating arm; 19. Scraper; 20. Limit ring; 21. Discharge pipe; 22. Valve body.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example 1:

Please refer to Figures 1-5. A heating furnace includes a heating furnace shell 1. A heating wire 2 is provided inside the heating furnace shell 1. A stirring assembly is provided at the upper end of the heating furnace shell 1. The stirring assembly includes a fixed device. There is a first motor 3 at the upper end of the heating furnace shell 1. Two rotating rods 4 are rotationally connected to the heating furnace shell 1 through bearings. Each of the rotating rods 4 is provided with a first gear 5. The two first gears 5 are installed on the heating furnace shell 1. A gear 5 is meshed and connected. The first motor 3 and one of the rotating rods 4 are respectively provided with a first transmission wheel 6. A first transmission belt 7 is connected between the two first transmission wheels 6. Two The lower end of the rotating rod 4 passes through the heating furnace shell 1 and is connected to a plurality of stirring rods 8 respectively. The upper end of the heating furnace shell 1 is provided with a feed hopper 9, and a crushing assembly is provided in the feed hopper 9. The assembly includes a second motor 10 arranged on one side of the feed hopper 9 .

It is further preferred that the feed hopper 9 is provided with two rotating shafts 11 for rotation, each of the rotating shafts 11 is provided with a crushing roller 12 , and the outside of each of the crushing rollers 12 is evenly provided with a plurality of crushing teeth. 13. When the two crushing rollers 12 rotate, the crushing rollers 12 drive the crushing teeth 13 to rotate, thereby crushing the asphalt blocks put into the feed hopper 9 .

It is further preferred that one end of the two rotating shafts 11 passes through the feed hopper 9 and is respectively connected to a second gear 14. The two second gears 14 are meshed and connected. When the two second gears 14 rotate, the two second gears 14 rotate. The two gears 14 drive the two rotating shafts 11 to rotate.

It is further preferred that a second transmission wheel 15 is provided on the driving end of the second motor 10 and one of the rotating shafts 11 respectively, and a second transmission belt 16 is connected between the two second transmission wheels 15. The second motor 10 is started, and the second motor 10 drives one of the rotating shafts 11 to rotate through the two second transmission wheels 15 and the second transmission belt 16 .

It is further preferred that a third motor 17 is provided at the lower end of the heating furnace shell 1. The driving end of the third motor 17 passes through the heating furnace shell 1 and is connected to a rotating arm 18 to start the third motor 17. 17 drives the rotating arm 18 to rotate.

It is further preferred that two scrapers 19 are symmetrically provided on the upper end of the rotating arm 18, and the upper ends of the two scrapers 19 are connected to a limiting ring 20, and the limiting ring 20 is movably connected to the heating furnace shell 1 , when the rotating arm 18 rotates, the rotating arm 18 drives the two scrapers 19 and the rotating ring to rotate, and the limiting ring 20 limits the two scrapers 19.

It is further preferred that the lower end of the heating furnace shell 1 is provided with a discharge pipe 21, and a valve body 22 is provided on the discharge pipe 21. When the valve body 22 is opened, the heated asphalt can be discharged from the discharge pipe 21. material.

Example 2:

To sum up, when in use, asphalt is in the form of solidified blocks at normal temperature. Put the block of asphalt into the feed hopper 9 and start the second motor 10. The second motor 10 passes through the two second transmission wheels. 15 and the second transmission belt 16 drive one of the rotating shafts 11 to rotate, and one of the rotating shafts 11 drives the other rotating shaft 11 to rotate through the two second gears 14, so that the two rotating shafts 11 drive the two crushing rollers 12 to rotate in opposite directions. Each crushing roller 12 drives the crushing teeth 13 to rotate, thereby crushing the asphalt blocks in the feed hopper 9, and the crushed asphalt enters the heating furnace shell 1. The heating wire 2 inside the heating furnace shell 1 is electrically connected to the external power supply, and the heating wire 2 is started, so that the heating wire 2 heats the asphalt.

Embodiment three:

To sum up, during use, the asphalt starts the first motor 3 while heating. The first motor 3 drives one of the rotating rods 4 to rotate through the two first transmission wheels 6 and the first transmission belt 7. One of the rotating rods 4 passes through The two first gears 5 drive another rotating rod 4 to rotate, so that the two rotating rods 4 drive the stirring rod 8 on them to rotate, thereby stirring the asphalt in the heating furnace shell 1. Start the third motor 17, the third motor 17 drives the rotating arm 18 to rotate, the rotating arm 18 drives the two scrapers 19 and the limit ring 20 to rotate, the limit ring 20 limits the two scrapers 19, the scraper 19 is connected to the heating The insides of the furnace shell 1 are in contact, so that the scraper 19 scrapes off the asphalt adhered to the heating furnace shell 1 . After the heating is completed, the valve body 22 is opened, and the heated asphalt can be discharged from the discharge pipe 21.

In all the solutions mentioned above, the connection between two components can be welded, the matching connection of bolts and nuts, the bolt or screw connection or other well-known connection methods according to the actual situation. I will not go into details here. Wherever the article involves fixed connections, priority is given to welding. The above are only preferred specific implementations of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any person familiar with the technical field will Within the technical scope disclosed in the present utility model, any equivalent replacement or change based on the technical solution of the present utility model and its utility model concept shall be covered by the protection scope of the present utility model.

Claims (5)

1. A heating furnace, including a heating furnace shell (1), characterized in that a heating wire (2) is provided inside the heating furnace shell (1), and a stirring assembly is provided at the upper end of the heating furnace shell (1). The stirring assembly includes a first motor (3) fixedly installed on the upper end of the heating furnace shell (1). The heating furnace shell (1) is rotatably connected to two rotating rods (4) through bearings. Each of the rotating rods (4) is connected to the heating furnace shell (1). A first gear (5) is provided on the rod (4), and the two first gears (5) are meshed and connected. The first motor (3) and one of the rotating rods (4) are respectively provided with a third gear (5). A transmission wheel (6), a first transmission belt (7) is connected between the two first transmission wheels (6), and the lower ends of the two rotating rods (4) pass through the heating furnace shell (1) and are respectively connected to A plurality of stirring rods (8), a feeding hopper (9) is provided at the upper end of the heating furnace shell (1), and a crushing assembly is provided in the feeding hopper (9). The crushing assembly includes a (9) The second motor (10) on one side, the lower end of the heating furnace shell (1) is provided with a third motor (17), and the driving end of the third motor (17) is connected through the heating furnace shell (1) There is a rotating arm (18). The upper end of the rotating arm (18) is symmetrically provided with two scrapers (19). The upper ends of the two scrapers (19) are connected to a limiting ring (20). The limiting ring (20) is movably connected to the heating furnace shell (1). 2. A heating furnace according to claim 1, characterized in that: the feed hopper (9) is provided with two rotating shafts (11), and each of the rotating shafts (11) is provided with a crushing roller. (12). A plurality of grinding teeth (13) are evenly provided on the outside of each grinding roller (12). 3. A heating furnace according to claim 2, characterized in that: one end of the two rotating shafts (11) passes through the feed hopper (9) and is connected to a second gear (14) respectively. The two second gears (14) Engagement connection. 4. A heating furnace according to claim 3, characterized in that: a second transmission wheel (15) is provided on the driving end of the second motor (10) and one of the rotating shafts (11) respectively. A second transmission belt (16) is connected between the second transmission wheels (15). 5. A heating furnace according to claim 1, characterized in that: a discharge pipe (21) is provided at the lower end of the heating furnace shell (1), and a valve body (21) is provided on the discharge pipe (21). twenty two).