Asphalt storage tank with flighted discharge mechanism

By introducing floating ring blocks and scraper assemblies into the asphalt storage tank, the leakage problem of the asphalt storage tank was solved, and the sealing and smooth discharge were achieved, ensuring the safe operation of the equipment.

CN224676906UActive Publication Date: 2026-08-25HONGHE COUNTY XINGSHENG BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202522180089.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-15
Publication Date
2026-08-25
Estimated Expiration
2035-10-15

AI Technical Summary

Technical Problem

Existing asphalt storage tanks are prone to leakage due to gravity after the valve body is closed, lacking an effective dynamic sealing structure, which leads to leakage and environmental pollution.

Method used

The design incorporates a scraper-type discharge mechanism, including a floating ring block and a scraping assembly. The floating ring block covers the perimeter of the discharge area, while the scraping assembly scrapes away residual asphalt. Combined with an electric cylinder drive and a limiting structure, this achieves sealed and clean discharge.

Benefits of technology

It effectively reduces the lateral overflow of asphalt from the discharge pipe and scraper, ensuring sealing, preventing leakage, and maintaining smooth discharge and safe operation of the equipment.

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Abstract

The utility model discloses asphalt storage tank with scraper type discharge mechanism, including tank body, the outer wall annular array of tank body has a plurality of connecting plates, and the bottom of connecting plate is equipped with the support column for lifting tank body, and tank body is equipped with electric heating assembly in, and tank body includes the bottom plate of bottom, the discharge pipe on bottom plate, and the outer wall of discharge pipe is equipped with the floating ring block, and the below of discharge pipe is equipped with the scraping component, and scraping component includes the first board of sticking the bottom of floating ring block, and the second board of setting at the top of first board, and floating ring block is used for shielding the gap of first board and discharge pipe, and first board is used for scraping the liquid asphalt of sticking the bottom of floating ring block. Through setting the floating ring block outside the discharge pipe, and configuring the scraping component below it, effectively solved the problem of traditional asphalt storage tank existence and drip. Floating ring block covers the discharge area peripheral space, reduces the transverse overflow path of asphalt between the discharge pipe and the scraper, plays the sealing effect, and simultaneously, its bottom is as the scraping surface.
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Description

Technical Field

[0001] This utility model relates to the field of asphalt storage tank technology, and in particular to asphalt storage tank with scraper discharge mechanism. Background Technology

[0002] Asphalt storage tanks are key pieces of equipment specifically designed for storing high-temperature asphalt liquid. Their main function is to provide a stable and controllable storage environment for asphalt, ensuring that it maintains its proper fluidity and performance during long-term storage. Because asphalt cools and solidifies very easily at room temperature, losing its fluidity and causing significant difficulties for subsequent transportation and use, storage tanks utilize effective insulation and heating systems to continuously maintain the asphalt within a suitable temperature range, preventing solidification or performance degradation.

[0003] In existing technologies, after the valve body of an asphalt storage tank is closed, asphalt has high viscosity and fluidity, and under the action of gravity, it is easy to slowly seep out from the valve opening gap. The lack of an effective dynamic sealing structure makes it impossible to compensate for the small gaps caused by temperature changes or mechanical vibrations, further reducing the sealing effect. Long-term use can easily lead to leakage and environmental pollution problems. Utility Model Content

[0004] The purpose of this invention is to provide an asphalt storage tank with a scraper-type discharge mechanism to solve the problem mentioned in the background art that asphalt is prone to slowly seeping out from the valve opening gap under gravity and lacks an effective dynamic sealing structure.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an asphalt storage tank with a scraper-type discharge mechanism, comprising a tank body, a plurality of connecting plates arranged in a ring on the outer wall of the tank body, a support column for raising the tank body provided at the bottom of the connecting plates, an electric heating component provided inside the tank body, the tank body including a bottom plate and a discharge pipe on the bottom plate, a floating ring block sleeved on the outer wall of the discharge pipe, a scraping component provided below the discharge pipe, the scraping component including a first plate attached to the bottom of the floating ring block and a second plate set on the top of the first plate, the floating ring block being used to block the gap between the first plate and the discharge pipe, and the first plate being used to scrape the liquid asphalt adhering to the bottom of the floating ring block.

[0006] In the preferred embodiment of this technical solution, a fixing plate is installed at the bottom of the base plate, and an electric cylinder that drives the first plate to move is installed on the fixing plate. The output end of the electric cylinder is connected to the first plate.

[0007] In the preferred embodiment of this technical solution, a slide rail is installed at the bottom of the base plate, and a slider is slidably connected on the slide rail, with the second plate connected to the slider.

[0008] Based on the preferred embodiment of this technical solution, the bottom ring array of the base plate has several limiting components, including guide rods and limiting blocks, and the guide rods can pass through the floating ring blocks.

[0009] In the preferred embodiment of this technical solution, the floating ring block is provided with a countersunk hole, and the limiting block is used to prevent the floating ring block from falling off. The limiting block can be hidden in the countersunk hole.

[0010] In a preferred embodiment of this technical solution, a spring is fitted onto the outer diameter of the guide rod, with one end of the spring located at the bottom of the base plate and the other end located at the top of the floating ring block.

[0011] Based on the preferred embodiment of this technical solution, a solenoid valve is connected in series on the discharge pipe. The solenoid valve is used to control whether the discharge pipe discharges material. The outer ring at the bottom of the floating ring block has an arc edge, and one side of the top of the first plate has a chamfer.

[0012] In a preferred embodiment of this technical solution, the tank includes a top baffle plate and a socket mounted on the baffle plate. An electric heating column is fixedly connected to the bottom of the baffle plate, and the socket and the electric heating column are electrically connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. By installing a floating ring block outside the discharge pipe and placing a scraper assembly below it, the dripping problem of traditional asphalt storage tanks is effectively solved. The floating ring block covers the perimeter of the discharge area, reducing the lateral overflow path of asphalt from the discharge pipe and the scraper, thus achieving a sealing effect.

[0014] 2. The bottom of the floating ring block serves as a scraping surface, which facilitates the removal of residual asphalt by the first plate and ensures smooth scraping work for subsequent plates. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of an embodiment of the asphalt storage tank with a scraper-type discharge mechanism of this utility model. Figure 2 This is a schematic diagram of the scraping assembly structure of this utility model; Figure 3 This is a schematic diagram of the shielding plate structure of this utility model; Figure 4 This is a schematic diagram of the floating ring block structure of this utility model; Figure 5 This is a schematic diagram of the guide rod structure of this utility model.

[0016] Explanation of reference numerals in the attached drawings: 1. Tank body; 12. Connecting plate; 121. Support column; 21. Baffle plate; 22. Socket; 23. Heating column; 3. Scraper assembly; 30. Base plate; 301. Fixing plate; 302. Electric cylinder; 31. Slide rail; 311. Slider; 32. Discharge pipe; 321. Solenoid valve; 33. Limiting assembly; 331. Guide rod; 332. Limiting block; 34. Spring; 341. First plate; 342. Second plate; 35. Floating ring block; 351. Arc edge; 352. Countersunk hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-5 This utility model provides an embodiment of an asphalt storage tank with a scraper-type discharge mechanism, comprising a tank body 1. The outer wall of the tank body 1 has a plurality of connecting plates 12 arranged in a ring. The bottom of the connecting plates 12 is provided with support columns 121 for raising the tank body 1. An electric heating element is provided inside the tank body 1. The tank body 1 includes a bottom plate 30 and a discharge pipe 32 on the bottom plate 30. A floating ring block 35 is fitted onto the outer wall of the discharge pipe 32. A scraping assembly 3 is provided below the discharge pipe 32. The scraping assembly 3 includes a first plate 341 that fits against the bottom of the floating ring block 35 and a second plate 342 positioned on top of the first plate 341. The floating ring block 35 is used to block the gap between the first plate 341 and the discharge pipe 32. The first plate 341 is used to scrape the liquid asphalt adhering to the bottom of the floating ring block 35. By setting a floating ring block 35 outside the discharge pipe 32 and configuring a scraping assembly 3 below it, the leakage problem of traditional asphalt storage tanks is effectively solved. The floating ring block 35 covers the perimeter of the discharge area, reducing the lateral overflow path of asphalt from the discharge pipe 32 and the scraper, thus playing a sealing role; at the same time, its bottom serves as a scraping surface, facilitating the first plate 341 to scrape off residual asphalt, ensuring that the first plate 341 can smoothly perform scraping work thereafter.

[0019] Please see Figure 1-5 A further embodiment of this solution is as follows: a fixing plate 301 is installed at the bottom of the base plate 30, and an electric cylinder 302 for driving the first plate 341 to move is installed on the fixing plate 301. The output end of the electric cylinder 302 is connected to the first plate 341. By setting the electric cylinder 302 as the driving source, the reciprocating drive of the first plate 341 is realized, which has high control precision, fast response speed, and can perform scraping actions on demand at fixed times or in fixed cycles.

[0020] Please see Figure 1-4 A further embodiment of this solution is as follows: a slide rail 31 is installed at the bottom of the base plate 30, and a slider 311 is slidably connected to the slide rail 31. The second plate 342 is connected to the slider 311. The guiding cooperation between the slide rail 31 and the slider 311 provides a stable linear motion guide for the scraper assembly 3, ensuring that the first plate 341 remains stable and without deflection during horizontal movement. This guiding structure has low friction and smooth operation.

[0021] Please see Figure 1-4A further solution based on this embodiment is as follows: the bottom of the base plate 30 has a ring array of several limiting components 33, each including a guide rod 331 and a limiting block 332. The guide rod 331 can pass through the floating ring block 35. The guide rod 331 provides vertical movement guidance for the floating ring block 35, ensuring its stability and preventing deviation during its up-and-down floating process; the limiting block 332 restricts the floating stroke of the floating ring block 35, preventing it from falling completely, ensuring the safe operation of the equipment, and improving structural reliability.

[0022] Please see Figure 2-5 A further solution based on this embodiment is as follows: the floating ring block 35 is provided with a countersunk hole 352, and a limiting block 332 is used to prevent the floating ring block 35 from falling off. The limiting block 332 can be hidden in the countersunk hole 352. The design of the countersunk hole 352 allows the limiting block 332 to be hidden therein, avoiding interference with the first plate 341, while allowing the floating ring block 35 and the first plate 341 to scrape better.

[0023] Please see Figure 2-5 A further solution based on this embodiment is as follows: a spring 34 is sleeved on the outer diameter of the guide rod 331, with one end of the spring 34 located at the bottom of the base plate 30 and the other end of the spring 34 located at the top of the floating ring block 35. The spring 34 provides a downward elastic force to the floating ring block 35, so that it maintains a sealed state in contact with the end face of the base plate 30 or the discharge pipe 32 when there is no discharge pressure, effectively reducing asphalt leakage.

[0024] Please see Figure 2-5 A further embodiment of this solution is as follows: a solenoid valve 321 is connected in series on the discharge pipe 32. The solenoid valve 321 is used to control whether the discharge pipe 32 discharges material. The outer ring of the bottom of the floating ring block 35 is provided with an arc edge 351, and one side of the top of the first plate 341 is provided with a chamfer. The solenoid valve 321 enables remote or automatic control of the discharge start and stop, improving the convenience and safety of operation. The arc edge 351 at the bottom of the floating ring block 35 and the chamfer on the first plate 341 facilitate the sliding of the first plate 341 to fit against the floating ring block 35, reducing collisions. When the floating ring block 35 is at its bottom, it should be located in the area of ​​half the thickness of the first plate 341.

[0025] Please see Figure 1-4 A further embodiment of this solution is as follows: the tank 1 includes a top baffle plate 21 and a socket 22 mounted on the baffle plate 21. An electric heating column 23 is fixedly connected to the bottom of the baffle plate 21, and the socket 22 and the electric heating column 23 are electrically connected. The electric heating column 23 can effectively prevent asphalt from solidifying inside the tank 1, further ensuring the fluidity of the asphalt and facilitating rapid discharge when needed.

[0026] Working principle: The electric heating element inside tank 1 is activated to uniformly heat the stored asphalt, maintaining its good fluidity. When discharge is required, the control system issues a command, energizing and opening the solenoid valve 321 on the discharge pipe 32. Simultaneously, the electric cylinder 302 drives the first plate 341 to retract, avoiding interference with the discharge. The asphalt flows downward under gravity. During the discharge process, some high-temperature asphalt tends to adhere to the bottom surface of the floating ring block 35 due to its viscosity. If not removed in time, it will cause the first plate 341 to stick to the floating ring block 35 after cooling. During the discharge process, the electric cylinder 302 is powered on, and its piston rod pushes the first plate 341 to move horizontally. The first plate 341 can also act as a scraping actuator to scrape the bottom of the floating ring block 35. The first plate 341 is fixedly connected to the second plate 342 and cooperates with the slide rail 31 below the bottom plate 30 through the slider 311 to ensure smooth and non-deviation-free movement. To optimize the scraping process, the bottom outer edge of the floating ring block 35 is designed with an arc edge 351; the front end of the first plate 341 is chamfered for smooth entry and reduced starting resistance. Simultaneously, when stationary, the floating ring block 35 is located in the middle region of the thickness direction of the first plate 341, ensuring sufficient scraping contact surface for the scraper while avoiding structural interference. A guide rod 331 passes through the floating ring block 35, providing stable lifting guidance. Its top limiting block 332 is embedded in the countersunk hole 352 on the floating ring block 35, limiting its floating stroke and preventing collisions between protruding parts and the scraper. After discharge, the solenoid valve 321 closes, the electric cylinder 302 extends, and the spring 34 is compressed by the action of the first plate 341, pushing the floating ring block 35 to adhere to the top of the first plate 341, resealing the discharge area and forming a seal to reduce leakage. Furthermore, the electric heating column 23 at the top of the tank 1 is connected to a power source via a socket 22 to heat the tank 1, preventing asphalt from solidifying. A sealing cap is also required between the two baffle plates 21. The electric cylinder 302, socket 22, heating column 23, control system and their corresponding circuit connections are all existing technologies, and their working principles will not be elaborated here.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An asphalt storage tank with a scraper-type discharge mechanism, characterized in that: The tank (1) includes a tank body (1), and the outer wall of the tank body (1) is arranged in a ring with several connecting plates (12). The bottom of the connecting plates (12) is provided with a support column (121) for raising the tank body (1). The tank body (1) is provided with an electric heating component. The tank body (1) includes a bottom plate (30) and a discharge pipe (32) on the bottom plate (30). The outer wall of the discharge pipe (32) is fitted with a floating ring block (35). A scraping component (3) is provided below the discharge pipe (32). The scraping component (3) includes a first plate (341) that fits the bottom of the floating ring block (35) and a second plate (342) set on the top of the first plate (341). The floating ring block (35) is used to block the gap between the first plate (341) and the discharge pipe (32). The first plate (341) is used to scrape the liquid asphalt adhering to the bottom of the floating ring block (35).

2. The asphalt storage tank with scraper-type discharge mechanism according to claim 1, characterized in that: A fixing plate (301) is installed at the bottom of the base plate (30). An electric cylinder (302) for driving the first plate (341) to move is installed on the fixing plate (301). The output end of the electric cylinder (302) is connected to the first plate (341).

3. The asphalt storage tank with scraper-type discharge mechanism according to claim 2, characterized in that: A slide rail (31) is installed on the bottom of the base plate (30), and a slider (311) is slidably connected on the slide rail (31). The second plate (342) is connected to the slider (311).

4. The asphalt storage tank with scraper-type discharge mechanism according to claim 3, characterized in that: The bottom of the base plate (30) has a ring array of several limiting components (33). The limiting components (33) include guide rods (331) and limiting blocks (332). The guide rods (331) can pass through the floating ring blocks (35).

5. The asphalt storage tank with scraper-type discharge mechanism according to claim 4, characterized in that: The floating ring block (35) is provided with a countersunk hole (352), and a limiting block (332) is used to prevent the floating ring block (35) from falling off. The limiting block (332) can be hidden in the countersunk hole (352).

6. The asphalt storage tank with scraper-type discharge mechanism according to claim 5, characterized in that: A spring (34) is fitted on the outer diameter of the guide rod (331). One end of the spring (34) is located at the bottom of the base plate (30), and the other end of the spring (34) is located at the top of the floating ring block (35).

7. The asphalt storage tank with scraper-type discharge mechanism according to claim 6, characterized in that: A solenoid valve (321) is connected in series on the discharge pipe (32). The solenoid valve (321) is used to control whether the discharge pipe (32) discharges material. The outer ring of the bottom of the floating ring block (35) is provided with an arc edge (351), and one side of the top of the first plate (341) is provided with a chamfer.

8. The asphalt storage tank with scraper-type discharge mechanism according to claim 7, characterized in that: The tank (1) includes a top baffle (21) and a socket (22) mounted on the baffle (21). A heating column (23) is fixedly connected to the bottom of the baffle (21), and the socket (22) and the heating column (23) are electrically connected.