Asphalt preparation heating instrument
By designing an asphalt preparation heater including a reaction tank, a heating plate, a sealing cover, a smoke exhaust pipe and a heating and stirring structure, the problems of low mixing efficiency, uneven heating and flue gas pollution in the traditional asphalt heating and preparation process are solved. It improves the uniformity and efficiency of asphalt heating and protects the health of experimenters.
Patent Information
- Application Number
- CN202420886698.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the preparation of traditional asphalt heating, the stirring efficiency is low, the asphalt is heated unevenly, and the experimenter is susceptible to asphalt flue gas pollution.
Design a heating apparatus for asphalt preparation, including a reaction tank, a heating plate, a sealing cover, an exhaust pipe and a heating stirring structure. The heating mixing structure achieves uniform heating and mixing of asphalt through the main shaft, sealing sleeve, stirring rod and fan blades, and prevents friction damage through the heating wire and slip ring.
The uniformity and efficiency of the asphalt heating process are improved. At the same time, the sealing cover and exhaust pipe effectively reduce the dispersion of asphalt smoke and protect the health of experimenters.
Smart Images

Figure CN222374627U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of asphalt experimental devices, in particular to an asphalt preparation heating instrument. Background Art
[0002] Asphalt can solidify at room temperature, so when conducting asphalt tests in the laboratory, the asphalt sample must first be heated and prepared. Asphalt has a high viscosity, so it needs to be constantly stirred during the heating process to ensure that the asphalt is heated evenly. The traditional asphalt heating preparation process uses an electric furnace and a crucible for heating while using manual stirring. This heating and stirring method not only has low stirring efficiency and cannot evenly heat the asphalt, but the harmful fumes generated by the asphalt during the heating process will be inhaled by the experimenters.
[0003] Therefore, in view of the above problems, an asphalt preparation heating device is proposed to solve the above problems. Utility Model Content
[0004] Aiming at the deficiencies of the prior art, the utility model develops an asphalt preparation heating instrument, which can fully stir the asphalt during the asphalt heating preparation process so that the asphalt is evenly heated, while reducing the damage to experimenters caused by asphalt smoke.
[0005] The technical solution to the technical problem solved by the utility model is: an asphalt preparation heating instrument, including a reaction tank, the reaction tank is arranged on a heating plate, a sealing cover is arranged on the reaction tank, a smoke exhaust pipe is arranged on the sealing cover, a heating and stirring structure is arranged on the sealing cover, the heating and stirring structure penetrates into the reaction tank, and a temperature detection device is arranged on the sealing cover.
[0006] The asphalt raw materials react in the reaction tank. The heating plate below the reaction tank heats the bottom of the reaction tank. At the same time, the heating and stirring structure stirs the asphalt raw materials in the reaction tank while heating them, making the heating reaction of the asphalt more uniform and improving the heating reaction efficiency of the asphalt. A sealing cover is provided on the reaction tank to prevent the asphalt smoke generated during the heating process from dispersing and affecting the health of the experimenters. The exhaust pipe is connected to the subsequent smoke treatment device.
[0007] Preferably, the heating and stirring structure includes a main shaft, a sealing sleeve, a stirring rod and a fan blade. The main shaft is rotatably connected to the sealing cover. The sealing cover is provided with a sealing sleeve. The main shaft passes through the sealing sleeve. Multiple layers of stirring rods are arranged radially on the main shaft. Fan blades are arranged on the outside of the stirring rods.
[0008] The main shaft drives the stirring rod to rotate, which plays a disturbing role. The fan blades on the outside of the stirring rod rotate to exchange the upper and lower layers of asphalt, so that the entire asphalt can be heated. The main shaft passes through the sealing cover through the sealing sleeve to reduce the dispersion of asphalt smoke.
[0009] Preferably, the heating and stirring structure further comprises a gear ring, a gear and a motor, wherein the gear ring is sleeved on the main shaft, the gear ring and the gear are meshingly connected, and the gear is connected to the output end of the motor.
[0010] The motor drives the gear and the gear ring to rotate, and the gear ring drives the main shaft and the stirring rod to rotate, so as to achieve the stirring effect.
[0011] Preferably, the heating and stirring structure also includes a heating wire, a slip ring and a heating chamber. The heating chamber is arranged in the main shaft. The heating wire is arranged in the heating chamber. The wire end of the heating wire extends from the opening above the heating chamber. The wire end of the heating wire is connected to the slip ring. The slip ring is arranged on the sealing cover through a bracket.
[0012] The heating wire is placed inside the main shaft to heat the center of the asphalt raw material, making the heating more uniform. The heating wire is connected to the slip ring so that the heating wire and the main shaft can rotate at the same time to prevent friction between the two from causing wear to the heating wire.
[0013] Preferably, the temperature detection device includes a ruler, a fixing clamp, a slide rail, a temperature sensor and a sealing groove. The slide rail is vertically arranged on the inner wall of the reaction tank, the ruler is slidably connected in the slide rail, the temperature sensor is arranged at the lower end of the ruler, a sealing groove is vertically arranged at the lower end of the sealing cover, the ruler passes through the sealing groove, a fixing clamp is arranged at the upper end of the sealing cover, and the fixing clamp clamps the ruler.
[0014] The temperature sensor is the JDC-3 model. The reaction temperature of the asphalt is detected by inserting a ruler into the reaction tank and clamping it with a fixed clip to prevent the ruler from sliding.
[0015] Preferably, a positioning ring is provided at the bottom of the reaction tank, a mounting groove is provided on the heating plate, the reaction tank is provided on the heating plate through the positioning ring and the mounting groove, a pillar is vertically provided on the heating plate, the pillar is slidably connected to the locking ring, the locking ring is connected to the limiting ring through a connecting rod, and the reaction tank is provided in the limiting ring.
[0016] The reaction tank is arranged on the heating plate through a positioning ring and a mounting groove, so that the heating position of the heating plate is more accurate, and the support and the limiting ring cooperate to prevent the reaction tank from shaking violently due to the vibration generated by stirring.
[0017] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:
[0018] A sealing cover is installed on the reaction tank to prevent the asphalt fume generated during the heating process from escaping and affecting the health of the experimenters. The exhaust pipe is connected to the subsequent fume treatment device.
[0019] The asphalt raw materials react in the reaction tank, the heating plate under the reaction tank heats the bottom of the reaction tank, and the heating and stirring structure stirs and heats the asphalt raw materials in the reaction tank, so that the heating reaction of the asphalt is more uniform and the heating reaction efficiency of the asphalt is improved;
[0020] The main shaft drives the stirring rod to rotate, which plays a disturbing role. The fan blades outside the stirring rod rotate to exchange the upper and lower layers of asphalt, so that the asphalt can be heated as a whole.
[0021] The heating wire is inside the main shaft to heat the center of the asphalt raw material for more uniform heating. The heating wire is connected to the slip ring so that the heating wire and the main shaft can rotate at the same time to prevent friction between the two from causing wear on the heating wire. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0023] Figure 1 It is a schematic diagram of the structure of the utility model.
[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0025] Figure 3 It is a cross-sectional view of the utility model.
[0026] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at point A in the middle.
[0027] In the figure, 1. reaction tank; 2. heating plate; 3. sealing cover; 4. exhaust pipe; 5. main shaft; 6. sealing sleeve; 7. stirring rod; 8. fan blade; 9. gear ring; 10. gear; 11. motor; 12. heating wire; 13. slip ring; 14. heating chamber; 15. bracket; 16. ruler; 17. fixing clamp; 18. slide rail; 19. temperature sensor; 20. sealing groove; 21. positioning ring; 22. mounting groove; 23. pillar; 24. locking ring; 25. limit ring; 26. connecting rod. DETAILED DESCRIPTION
[0028] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] like Figures 1 to 4 As shown, an asphalt preparation heating instrument includes a reaction tank 1, which is arranged on a heating plate 2, a sealing cover 3 is arranged on the reaction tank 1, a smoke exhaust pipe 4 is arranged on the sealing cover 3, a heating and stirring structure is arranged on the sealing cover 3, the heating and stirring structure is deeply inserted into the reaction tank 1, and a temperature detection device is arranged on the sealing cover 3. The asphalt raw material reacts in the reaction tank 1, the heating plate 2 under the reaction tank 1 heats the bottom of the reaction tank 1, and the heating and stirring structure heats the asphalt raw material in the reaction tank 1 while stirring, so that the heating reaction of the asphalt is more uniform and the heating reaction efficiency of the asphalt is improved. The sealing cover 3 is arranged on the reaction tank 1 to prevent the asphalt smoke generated during the heating process from drifting and affecting the health of the experimenters, and the smoke exhaust pipe 4 is connected to the subsequent smoke treatment device.
[0030] The heating and stirring structure includes a main shaft 5, a sealing sleeve 6, a stirring rod 7 and a fan blade 8. The main shaft 5 is rotatably connected to the sealing cover 3. The sealing cover 3 is provided with a sealing sleeve 6. The main shaft 5 passes through the sealing sleeve 6. The main shaft 5 is provided with multiple layers of stirring rods 7 in the radial direction. The fan blade 8 is provided outside the stirring rod 7. The main shaft 5 drives the stirring rod 7 to rotate, which plays a disturbing role. During the rotation of the fan blade 8 outside the stirring rod 7, the upper and lower layers of asphalt are exchanged, so that the asphalt as a whole can be heated. The main shaft 5 passes through the sealing cover 3 through the sealing sleeve 6 to reduce the dispersion of asphalt smoke.
[0031] The heating and stirring structure also includes a gear ring 9, a gear 10 and a motor 11. The gear ring 9 is sleeved on the main shaft 5, the gear ring 9 and the gear 10 are meshed and connected, and the gear 10 is connected to the output end of the motor 11. The motor 11 drives the gear 10 and the gear ring 9 to rotate, and the gear ring 9 drives the main shaft 5 and the stirring rod 7 to rotate, so as to achieve a stirring effect.
[0032] The heating and stirring structure also includes a heating wire 12, a slip ring 13 and a heating chamber 14. The heating chamber 14 is arranged in the main shaft 5. The heating wire 12 is arranged in the heating chamber 14. The wire end of the heating wire 12 extends out from the opening above the heating chamber 14. The wire end of the heating wire 12 is connected to the slip ring 13. The slip ring 13 is arranged on the sealing cover 3 through a bracket 15. The central part of the asphalt raw material is heated inside the main shaft 5 by the heating wire 12, and the heating is more uniform. The heating wire 12 is connected to the slip ring 13, so that the heating wire 12 and the main shaft 5 can rotate at the same time to prevent the friction between the two from causing wear to the heating wire 12.
[0033] The temperature detection device includes a scale 16, a fixing clamp 17, a slide rail 18, a temperature sensor 19 and a sealing groove 20. The slide rail 18 is vertically arranged on the inner wall of the reaction tank 1. The scale 16 is slidably connected in the slide rail 18. The temperature sensor 19 is arranged at the lower end of the scale 16. The sealing groove 20 is vertically arranged at the lower end of the sealing cover 3. The scale 16 passes through the sealing groove 20. The fixing clamp 17 is arranged at the upper end of the sealing cover 3. The fixing clamp 17 clamps the scale 16. The temperature sensor 19 uses the JDC-3 model. It is inserted into the reaction tank 1 through the scale 16 to detect the reaction temperature of the asphalt. The fixing clamp 17 is used to clamp it to prevent the scale 16 from sliding.
[0034] A positioning ring 21 is provided at the bottom of the reaction tank 1, and a mounting groove 22 is provided on the heating plate 2. The reaction tank 1 is provided on the heating plate 2 through the positioning ring 21 and the mounting groove 22. A pillar 23 is vertically provided on the heating plate 2. The pillar 23 is slidably connected to the locking ring 24. The locking ring 24 is connected to the limiting ring 25 through the connecting rod 26. The reaction tank 1 is provided in the limiting ring 25. The reaction tank 1 is provided on the heating plate 2 through the positioning ring 21 and the mounting groove 22, so that the heating position of the heating plate 2 is more accurate. The pillar 23 and the limiting ring 25 cooperate to prevent the reaction tank 1 from shaking violently due to the vibration generated by stirring.
[0035] Working principle: The asphalt raw material is placed in the reaction tank 1, and the asphalt below the reaction tank 1 is heated by the heating plate 2. The motor 11 drives the main shaft 5, the stirring rod 7 and the fan blade 8 to rotate to stir the asphalt. At the same time, the asphalt in the upper and lower layers is exchanged to make the asphalt evenly heated. The heating wire 12 arranged in the main shaft 5 can heat the asphalt at the center. At the same time, the heating wire 12 rotates together with the main shaft 5 through the slip ring 13 to avoid wear on the heating wire 12.
[0036] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.
Claims
1. An asphalt preparation heating apparatus, comprising a reaction tank (1), characterized in that: The reaction tank (1) is arranged on a heating plate (2), a sealing cover (3) is arranged on the reaction tank (1), a smoke exhaust pipe (4) is arranged on the sealing cover (3), a heating and stirring structure is arranged on the sealing cover (3), the heating and stirring structure penetrates into the reaction tank (1), and a temperature detection device is arranged on the sealing cover (3).
2. The asphalt preparation heating device according to claim 1, characterized in that: The heating and stirring structure comprises a main shaft (5), a sealing sleeve (6), a stirring rod (7) and a fan blade (8); the main shaft (5) is rotatably connected to the sealing cover (3); the sealing cover (3) is provided with a sealing sleeve (6); the main shaft (5) passes through the sealing sleeve (6); a plurality of stirring rods (7) are radially provided on the main shaft (5); and fan blades (8) are provided on the outer sides of the stirring rods (7).
3. The asphalt preparation heating device according to claim 2, characterized in that: The heating and stirring structure further comprises a gear ring (9), a gear (10) and a motor (11); the gear ring (9) is sleeved on the main shaft (5); the gear ring (9) and the gear (10) are meshingly connected; and the gear (10) is connected to an output end of the motor (11).
4. The asphalt preparation heating device according to claim 3, characterized in that: The heating and stirring structure further comprises a heating wire (12), a slip ring (13) and a heating chamber (14); the heating chamber (14) is arranged in the main shaft (5); the heating wire (12) is arranged in the heating chamber (14); the wire end of the heating wire (12) extends out from an opening above the heating chamber (14); the wire end of the heating wire (12) is connected to the slip ring (13); and the slip ring (13) is arranged on the sealing cover (3) via a bracket (15).
5. The asphalt preparation heating device according to claim 1, characterized in that: The temperature detection device comprises a scale (16), a fixing clamp (17), a slide rail (18), a temperature sensor (19) and a sealing groove (20); the slide rail (18) is vertically arranged on the inner wall of the reaction tank (1); the scale (16) is slidably connected inside the slide rail (18); the temperature sensor (19) is arranged at the lower end of the scale (16); the sealing groove (20) is vertically arranged at the lower end of the sealing cover (3); the scale (16) passes through the sealing groove (20); the fixing clamp (17) is arranged at the upper end of the sealing cover (3); the fixing clamp (17) clamps the scale (16).
6. The asphalt preparation heating device according to claim 1, characterized in that: A positioning ring (21) is provided at the bottom of the reaction tank (1), a mounting groove (22) is provided on the heating plate (2), the reaction tank (1) is arranged on the heating plate (2) via the positioning ring (21) and the mounting groove (22), a support (23) is vertically provided on the heating plate (2), the support (23) is slidably connected to a locking ring (24), the locking ring (24) is connected to a limiting ring (25) via a connecting rod (26), and the reaction tank (1) is arranged inside the limiting ring (25).