Conduction oil type asphalt heating tank
By adopting structures such as heating shell, spiral baffle and spiral runner in the asphalt heating tank, combined with the design of the rotating shaft and mixing rod, the heating problem caused by the collection of heating media in the existing asphalt heating tank is solved, and efficient and uniform asphalt heating is achieved.
Patent Information
- Application Number
- CN202421243099.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-31
AI Technical Summary
During the heating process of existing asphalt heating tanks, the heating medium tends to gather at the bottom of the jacket, resulting in the inner shell being unable to be heated evenly, and the asphalt near the center of the tank cannot be heated quickly, resulting in poor heating efficiency and effect.
A thermally conductive oil-type asphalt heating tank is designed, adopting structures such as heating shell, spiral baffle and spiral flow channel to ensure that the heating medium is uniformly in contact with the outer surface of the asphalt tank main body, avoiding the gathering of heating medium, and combining the design of the rotating shaft and stirring rod, the fluidity and heating efficiency of the asphalt are increased.
Through this design, the uniform flow of the heating medium and the rapid heating of asphalt are achieved, the heating efficiency and heating effect are improved, and the uniform heating of asphalt is ensured.
Smart Images
Figure CN222677775U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of asphalt manufacturing, in particular to a heat-conducting oil type asphalt heating tank. Background Art
[0002] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their ferrous metal derivatives. It is a waterproof, moisture-proof and anti-corrosive organic gelling material. Existing asphalt needs to be stirred and heated in an asphalt heating tank during its manufacturing and use. Existing hot oil heating tanks all have inner and outer shells forming a jacket, and hot oil is continuously fed into the jacket to heat the inner shell and asphalt. In the jacket, the heating medium is easily gathered at the bottom of the jacket due to the influence of gravity, resulting in the inner shell cannot be heated evenly, and the asphalt near the center of the tank cannot be heated quickly. The heating efficiency and heating effect need to be improved. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a heat transfer oil type asphalt heating tank with high heating efficiency and good heating uniformity in view of the above defects.
[0004] The technical solution adopted by the utility model to solve its technical problems is as follows: a heat-conducting oil type asphalt heating tank comprises an asphalt tank body, a heating shell is arranged on the outer surface of the asphalt tank body, a heating space is reserved between the inner wall of the heating shell and the outer surface of the asphalt tank body, a spiral baffle is arranged from top to bottom inside the heating space, the spiral baffle forms a spiral flow channel in the heating space, a first inlet is arranged at the top end of one side of the heating shell, a first outlet is arranged at the bottom end of the other side of the heating shell, a rotating shaft is arranged inside the asphalt tank body, a plurality of stirring rods are evenly arranged on the outer surface of the rotating shaft from top to bottom, the rotating shaft and the stirring rods are both hollow structures and are interconnected, the two ends of the rotating shaft respectively penetrate the asphalt tank body and extend to the top and bottom ends of the asphalt tank body, a second inlet is opened at the top end of the rotating shaft, a second outlet is opened at the bottom end of the rotating shaft, a rotating joint is arranged at the second outlet and the second inlet, and a driving component for driving the rotating shaft to rotate is arranged at the top end of the asphalt tank body and located on one side of the rotating shaft.
[0005] Furthermore, the driving assembly includes a driven gear, a driving gear, a driving motor, and a fixed bracket. The driven gear is sleeved on the rotating shaft at the top of the asphalt tank body, the driving motor is arranged on one side of the driven gear through the fixed bracket, the driving gear is arranged at the driving end of the driving motor, and the driving gear is meshed with the driven gear.
[0006] Furthermore, an electromagnetic control valve is provided on the rotary joint at the second outlet.
[0007] Furthermore, a feed port is disposed at the top of the asphalt tank body, and a discharge port is symmetrically disposed at the bottom of the asphalt tank body, and the discharge port is spaced apart from the rotating shaft.
[0008] Furthermore, fixed blocks are symmetrically arranged on the rotating shaft inside the asphalt tank body, the fixed blocks are arranged at intervals from the stirring rod, connecting arms are arranged on both sides of the fixed blocks, and a scraper is arranged on the side of the connecting arm away from the fixed block.
[0009] The beneficial effects of the utility model are:
[0010] The utility model cooperates with a heating shell, a spiral baffle, a spiral flow channel, a first inlet, a first outlet, a rotating shaft, a stirring rod, a second inlet, a second outlet, a driving component, and a rotating joint. A heating medium enters the heating shell from the first inlet, flows along the spiral flow channel evenly in contact with the outer surface of the asphalt tank body through the spiral baffle, and then flows out from the first outlet to continuously heat the asphalt shell. The heating medium is not affected by gravity and is collected at the lower end of the heating space, so that the heating is more uniform. The driving component, the rotating shaft, and the stirring rod increase the fluidity of the asphalt, so that the asphalt at the center of the tank body is quickly in contact with the inner wall of the asphalt tank body for heating. Moreover, the heating medium is fed into the rotating shaft and the stirring rod through the rotating joint, the second inlet, the second outlet, and the hollow rotating shaft and the stirring rod to heat the asphalt together, so that the heating efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The foregoing and other objects, features and advantages of the present invention will become apparent from the following detailed description in conjunction with the accompanying drawings.
[0012] Figure 1 It is a front cross-sectional view of the utility model.
[0013] Figure 2 This is a cross-sectional view of the rotating shaft and stirring rod of the utility model.
[0014] Among them: 1. Asphalt tank body; 101. Feed inlet; 102. Discharge outlet; 2. Heating shell; 201. First inlet; 202. First outlet; 3. Spiral baffle; 301. Spiral flow channel; 4. Rotating shaft; 401. Second inlet; 402. Second outlet; 5. Agitator rod; 6. Rotary joint; 701. Driven gear; 702. Drive gear; 703. Drive motor; 704. Fixed bracket; 8. Solenoid control valve; 9. Fixed block; 10. Connecting arm; 11. Scraper. DETAILED DESCRIPTION
[0015] The utility model is further described below in conjunction with the accompanying drawings.
[0016] Reference Figure 1-2As shown, the heat transfer oil type asphalt heating tank includes an asphalt tank body 1, a heating shell 2 is arranged on the outer surface of the asphalt tank body 1, a heating space is reserved between the inner wall of the heating shell 2 and the outer surface of the asphalt tank body 1, and the heating space is used for the heating medium to heat the outer surface of the asphalt tank body 1. A spiral baffle 3 is arranged from top to bottom inside the heating space, and the spiral baffle 3 forms a spiral flow channel 301 in the heating space. A first inlet 201 is arranged at the top of one side of the heating shell 2, and a first outlet 202 is arranged at the bottom of the other side of the heating shell 2. The heating medium enters the heating space from the first inlet 201, flows along the spiral flow channel 301 through the spiral baffle 3, and then flows out from the first outlet 102, and the heating medium is continuously fed in to uniformly heat the outer surface of the asphalt tank body 1, so as to prevent the heating medium from being affected by gravity and gathering at the bottom of the asphalt tank body 1, so as to make the heating more uniform. A rotating shaft 4 is arranged inside the asphalt tank body 1, and a plurality of stirring shafts are uniformly arranged on the outer surface of the rotating shaft 4 from top to bottom. The rod 5, the rotating shaft 4 and the stirring rod 5 are all hollow structures and are interconnected. The two ends of the rotating shaft 4 respectively penetrate the asphalt tank body 1 and extend to the top and bottom of the asphalt tank body 1. A second inlet 401 is provided at the top of the rotating shaft 4, and a second outlet 402 is provided at the bottom of the rotating shaft 4. A rotating joint 6 is provided at the second outlet 402 and the second inlet 401. The heating medium can enter the hollow rotating shaft 4 and the stirring rod 5 from the second inlet 401, and then flow out from the second outlet 402, and heat the asphalt at the center of the asphalt tank body 1 together to improve the heating efficiency. At the top of the asphalt tank body 1, a driving component for driving the rotating shaft 4 to rotate is provided on one side of the rotating shaft 4. The driving component drives the rotating shaft 4 and the stirring rod 5 to rotate, so that the asphalt inside the asphalt tank body 1 flows, increases the contact between the asphalt at the center and the inner wall of the asphalt tank body 1, and makes the heating more uniform. The rotating joint 6 can be stably connected with the external heating device and the hot oil collection device when the rotating shaft 4 rotates.
[0017] The driving assembly includes a driven gear 701, a driving gear 702, a driving motor 703, and a fixed bracket 704. The driven gear 701 is sleeved on the rotating shaft 4 at the top of the asphalt tank body 1. The driving motor 703 is arranged on one side of the driven gear 701 through the fixed bracket 704. The driving gear 702 is arranged at the driving end of the driving motor 703, and the driving gear 702 is meshed with the driven gear 701. The driving motor 703 drives the driving gear 702 to rotate. Since the driving gear 702 is meshed with the driven gear 701, the driven gear 701 is driven to rotate with the rotating shaft 4 and the stirring rod 5, thereby stirring the asphalt in the asphalt tank body 1.
[0018] An electromagnetic control valve 8 is provided on the rotary joint 6 at the second outlet 402 , and the electromagnetic control valve 8 controls the second outlet 402 of the rotating shaft 4 to be opened or closed, so as to control the flow of the heating medium in the rotating shaft 4 and the stirring rod 5 .
[0019] A feed port 101 is provided at the top of the asphalt tank body 1, and a discharge port 102 is symmetrically provided at the bottom of the asphalt tank body 1. The discharge port 102 is spaced apart from the rotating shaft 4. Asphalt enters from the feed port 101, is heated and stirred, and finally flows out from the discharge port 102. The feed port 101 and the discharge port 102 are also provided with control valves to control them to be open or closed.
[0020] A fixed block 9 is symmetrically arranged on the rotating shaft 4 inside the asphalt tank body 1. The fixed block 9 and the stirring rod 5 are arranged at intervals. Connecting arms 10 are arranged on both sides of the fixed block 9. A scraper 11 is arranged on the side of the connecting arm 10 away from the fixed block. Through the rotation of the rotating shaft 4, the fixed block 9, the connecting arm 10 and the scraper 11 are driven to rotate along the inner wall of the asphalt tank body 1 to scrape off the asphalt adhering to the inner wall.
[0021] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. A heat transfer oil type asphalt heating tank, comprising an asphalt tank body (1), characterized in that: The asphalt tank body (1) is provided with a heating shell (2) on its outer surface, a heating space is left between the inner wall of the heating shell (2) and the outer surface of the asphalt tank body (1), a spiral baffle (3) is provided inside the heating space from top to bottom, the spiral baffle (3) enables the heating space to form a spiral flow channel (301), a first inlet (201) is provided at the top end of one side of the heating shell (2), a first outlet (202) is provided at the bottom end of the other side of the heating shell (2), a rotating shaft (4) is provided inside the asphalt tank body (1), and the outer surface of the rotating shaft (4) is evenly provided with a plurality of spiral baffles (3) from top to bottom. A plurality of stirring rods (5) are arranged, the rotating shaft (4) and the stirring rods (5) are both hollow structures and are interconnected, the two ends of the rotating shaft (4) respectively penetrate the asphalt tank body (1) and extend to the top and bottom ends of the asphalt tank body (1), the top end of the rotating shaft (4) is provided with a second inlet (401), the bottom end of the rotating shaft (4) is provided with a second outlet (402), the second outlet (402) and the second inlet (401) are provided with rotating joints (6), and a driving component for driving the rotating shaft (4) to rotate is arranged at the top end of the asphalt tank body (1) and on one side of the rotating shaft (4).
2. The heat transfer oil type asphalt heating tank according to claim 1 is characterized in that: The driving assembly comprises a driven gear (701), a driving gear (702), a driving motor (703), and a fixing bracket (704); the driven gear (701) is sleeved on a rotating shaft (4) at the top end of the asphalt tank body (1); the driving motor (703) is arranged on one side of the driven gear (701) through the fixing bracket (704); the driving gear (702) is arranged at the driving end of the driving motor (703), and the driving gear (702) is meshed with the driven gear (701).
3. The heat transfer oil type asphalt heating tank according to claim 1 is characterized in that: An electromagnetic control valve (8) is provided on the rotary joint (6) at the second outlet (402).
4. The heat transfer oil type asphalt heating tank according to claim 1 is characterized in that: The top of the asphalt tank body (1) is provided with a feed port (101), and the bottom of the asphalt tank body (1) is symmetrically provided with a discharge port (102), and the discharge port (102) is arranged at a distance from the rotating shaft (4).
5. The heat transfer oil type asphalt heating tank according to claim 1 is characterized in that: A fixed block (9) is symmetrically arranged on the rotating shaft (4) inside the asphalt tank body (1), and the fixed block (9) is arranged at a distance from the stirring rod (5). Connecting arms (10) are arranged on both sides of the fixed block (9), and a scraper (11) is arranged on the side of the connecting arm (10) away from the fixed block.