Liquid phase pitch dissolving solution filter with backwashing mechanism

Abstract

The utility model relates to the field of liquid-phase asphalt dissolving liquid, in particular to a liquid-phase asphalt dissolving liquid filter with a backwashing mechanism, which comprises a filter body, a main body for filtering the liquid-phase asphalt dissolving liquid, spacing plates, threaded grooves arranged in the filter body and used for separating the internal space, and a backwashing mechanism arranged in the filter body and used for backwashing the liquid-phase asphalt dissolving liquid. The interior of the threaded groove is in threaded connection with a threaded pipe, and a filtering inner core is fixedly installed on the upper portion of the threaded pipe. The liquid-phase asphalt dissolving solution filter is provided with the backwashing water tank, the pressurizing water pump, the flow dividing pipe, the first backwashing ring, the washing spray head and the second backwashing ring; a certain amount of impurities are accumulated on the filter inner core and the upper supporting filter screen when the liquid-phase asphalt dissolving solution filter is used; cleaning liquid in the backwashing water tank can be pumped through the pressurizing water pump and then is input into the first backwashing ring and the second backwashing ring through the flow dividing pipe, and the washing spray head is aligned with the filter inner core and the upper supporting filter screen for backwashing.

Description

Technical Field

[0001] This utility model relates to the field of liquid phase asphalt solution, specifically to a liquid phase asphalt solution filter with a backwashing mechanism. Background Technology

[0002] Liquid asphalt solution typically refers to a liquid asphalt produced by heating asphalt to a molten state and then mixing it with organic solvents such as gasoline, kerosene, and diesel. It is also known as cold base oil or diluted asphalt. Liquid asphalt solution filters are important devices used to remove impurities from liquid asphalt solution. Filters can effectively remove suspended solids, particulate matter, and other impurities from asphalt solution, improving the purity and quality of the liquid.

[0003] During use, existing liquid phase asphalt solution filters will have a certain amount of impurities remaining inside after use. Without a backwashing mechanism, the impurities on the filter element will gradually increase over time, leading to filter element blockage and affecting filtration efficiency. Moreover, the lack of a backwashing mechanism will increase maintenance costs and the cumbersomeness of manual operation in the long term. At the same time, the filtration effect will be affected after the filter element is blocked by impurities, resulting in unstable quality of the filtered liquid phase asphalt solution.

[0004] Therefore, it is necessary to invent a liquid phase asphalt solution filter with a backwashing mechanism to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a liquid asphalt solvent filter with a backwashing mechanism. This mechanism, achieved through a backwashing water tank, a pressurized water pump, a diversion pipe, a first backwashing ring, a flushing nozzle, and a second backwashing ring, enables the filter to periodically clean impurities from the filter core and upper filter screen, maintaining their cleanliness and unobstructed flow, thereby improving filtration efficiency. Furthermore, regular backwashing reduces wear and clogging of the filter core, extending its service life, lowering replacement costs, and reducing manual cleaning. The design addresses the complexity and cost of traditional filter elements, ensuring the filtration quality of liquid asphalt solution. This solution solves the problem in existing liquid asphalt solution filters where, after use, a certain amount of impurities remain inside. Without a backwashing mechanism, these impurities accumulate over time, leading to filter blockage and reduced filtration efficiency. Furthermore, the lack of a backwashing mechanism increases maintenance costs and manual operation complexity over long-term use. Additionally, filter blockage by impurities affects filtration effectiveness, resulting in unstable quality of the filtered liquid asphalt solution.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a liquid phase asphalt solution filter with a backwashing mechanism, comprising a filter body, which is the main body for filtering liquid phase asphalt solution;

[0007] A partition plate is set inside the filter body to divide the internal space. Each partition plate has a threaded groove on its upper part. A threaded tube is threadedly connected inside the threaded groove, and a filter core is fixedly installed on the upper part of the threaded tube.

[0008] An upper outlet is located on the outside of the filter body to discharge filtered impurities. A lower outlet is fixedly located below the upper outlet. An upper cover is fixedly installed on the top of the filter body. A backwash water tank is fixedly installed on the top of the upper cover. A pressurized water pump is fixedly installed on the top of the backwash water tank. A diverter pipe is fixedly installed at the output end of the pressurized water pump. A first backwash ring is fixedly connected to the other end of the diverter pipe. A flushing nozzle is fixedly installed inside the first backwash ring. A second backwash ring is located below the first backwash ring. A liquid collection box is located below the filter body.

[0009] Preferably, an external support frame is fixedly installed on the outside of the filter body, an outlet pipe is fixedly installed at the bottom of the filter body, and an inlet pipe is fixedly installed on the filter body.

[0010] Preferably, the filter core is threadedly connected to the spacer plate, and the filter core is evenly distributed on the spacer plate.

[0011] Preferably, a support rod is fixedly provided above the partition plate, a fastening screw passes through the upper part of the support rod, and an upper filter screen is fixedly installed on the outside of the fastening screw.

[0012] Preferably, the upper filter screen is threadedly connected to the support rod, and the support rod is fixedly connected to the partition plate.

[0013] Preferably, the number of flushing nozzles is set to multiple, and the multiple flushing nozzles are distributed in a ring array on the first backwash ring.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0015] 1. This utility model is equipped with a backwash water tank, a pressurized water pump, a diversion pipe, a first backwash ring, a flushing nozzle, and a second backwash ring. When using this liquid phase asphalt solution filter, due to the accumulation of a certain amount of impurities on the filter core and the upper filter screen, the cleaning liquid in the backwash water tank can be drawn by the pressurized water pump and then input into the first and second backwash rings respectively through the diversion pipe. The flushing nozzle is then directed at the filter core and the upper filter screen for backwashing. The impurities washed off then flow out through the upper and lower impurity outlets, giving the liquid phase asphalt solution filter a backwashing mechanism. This backwashing mechanism can regularly clean the impurities on the filter core and the upper filter screen, keeping them clean and unobstructed, thereby improving filtration efficiency. Moreover, regular backwashing can reduce wear and blockage of the filter core, extend its service life, reduce the cost of replacing the filter core, and reduce the tediousness and cost of manual cleaning of the filter core, thus ensuring the filtration quality of the liquid phase asphalt solution.

[0016] 2. This utility model is equipped with a partition plate, a threaded groove, a threaded pipe, a filter core, a support rod, a fastening screw, and an upper filter screen. When the liquid asphalt solution enters the filter body, it is first subjected to preliminary filtration by the upper filter screen. Then, the liquid asphalt solution enters the upper space of the partition plate. As the liquid asphalt solution rises, it adheres to the outside of the filter core and permeates into the interior of the filter core. The liquid asphalt solution that has completed secondary filtration flows from the inside of the filter core into the space below the partition plate, and then flows out from the outlet pipe, thus completing the filtration. This combination of preliminary filtration and secondary filtration can further remove small particles and dissolved impurities, ensuring the quality of the filtered liquid asphalt solution. Moreover, the permeation filtration method of the filter core can increase the filtration area and improve the filtration efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the partition plate structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the upper filter screen structure of this utility model;

[0021] Figure 4This is a schematic diagram of the backwash water tank structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the flushing nozzle structure of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Filter body; 2. External support frame; 3. Liquid outlet pipe; 4. Liquid inlet pipe; 5. Spare plate; 6. Threaded groove; 7. Threaded pipe; 8. Filter inner core; 9. Support rod; 10. Fastening screw; 11. Upper filter screen support; 12. Upper miscellaneous outlet; 13. Lower miscellaneous outlet; 14. Upper cover; 15. Backwash water tank; 16. Pressurized water pump; 17. Diverter pipe; 18. First backwash ring; 19. Flushing nozzle; 20. Second backwash ring; 21. Liquid collection box. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figure 1-5 The liquid phase asphalt solution filter shown includes a filter body 1, which is a main body for filtering liquid phase asphalt solution.

[0027] The partition plate 5 is set inside the filter body 1 to divide the internal space. The partition plate 5 is provided with a threaded groove 6 on the top. The threaded groove 6 is connected to a threaded tube 7, and the filter core 8 is fixedly installed on the top of the threaded tube 7.

[0028] An upper outlet 12 is located on the outside of the filter body 1 to discharge filtered impurities. A lower outlet 13 is fixedly located below the upper outlet 12. An upper cover 14 is fixedly installed on the top of the filter body 1. A backwash water tank 15 is fixedly installed on the top of the upper cover 14. A booster water pump 16 is fixedly installed on the top of the backwash water tank 15. A diverter pipe 17 is fixedly installed at the output end of the booster water pump 16. A first backwash ring 18 is fixedly connected to the other end of the diverter pipe 17. A flushing nozzle is fixedly installed inside the first backwash ring 18. 19. A second backwash ring 20 is provided below the first backwash ring 18, and a liquid receiving box 21 is provided below the filter body 1. The cleaning liquid in the backwash water tank 15 can be drawn by the pressurized water pump 16 and then input into the first backwash ring 18 and the second backwash ring 20 respectively through the diversion pipe 17. The flushing nozzle 19 is aimed at the filter inner core 8 and the upper filter screen 11 for backwashing. The impurities washed off then flow out through the upper impurity outlet 12 and the lower impurity outlet 13, so that the liquid phase asphalt solvent filter has a backwashing mechanism.

[0029] like Figure 1, Figure 2 and Figure 3 As shown, an external support frame 2 is fixedly installed on the outside of the filter body 1, an outlet pipe 3 is fixedly installed at the bottom of the filter body 1, and an inlet pipe 4 is fixedly installed on the filter body 1. The inlet pipe 4 is used to connect with external equipment to directly input the liquid phase asphalt solution into the filter body 1. The filter core 8 is threadedly connected to the partition plate 5. The filter core 8 is evenly distributed on the partition plate 5. The liquid phase asphalt solution enters the upper space of the partition plate 5. As the liquid phase asphalt solution rises, it will adhere to the outside of the filter core 8 and penetrate into the inside of the filter core 8. A support rod 9 is fixedly installed above the partition plate 5. A fastening screw 10 passes through the top of the support rod 9. An upper support filter screen 11 is fixedly installed on the outside of the fastening screw 10. After the liquid phase asphalt solution enters the filter body 1, it is first subjected to preliminary filtration by the upper support filter screen 11.

[0030] like Figure 1 , Figure 4 and Figure 5 As shown, the upper filter screen 11 is threadedly connected to the support rod 9, and the support rod 9 is fixedly connected to the partition plate 5. The upper filter screen 11 has a simple structure and is easy to operate. If a fault occurs, it is easy to disassemble for maintenance or replacement without delaying the normal use of the device. The number of flushing nozzles 19 is set to multiple, and the multiple flushing nozzles 19 are arranged in a ring array on the first backwash ring 18. The flushing nozzles 19 can periodically clean the impurities on the filter core 8 and the upper filter screen 11, keeping the filter core 8 and the upper filter screen 11 clean and unobstructed, thereby improving the filtration efficiency.

[0031] The working principle of this practical system is as follows: First, connect the external power supply and connect the inlet pipe 4 of the liquid phase asphalt solution filter to the external equipment, allowing the liquid phase asphalt solution to be directly input into the filter body 1. After entering the filter body 1, the liquid phase asphalt solution is first subjected to preliminary filtration by the upper support filter screen 11. Then, the liquid phase asphalt solution enters the upper space of the partition plate 5. As the liquid phase asphalt solution rises, it adheres to the outside of the filter core 8 and permeates into the interior of the filter core 8. The liquid phase asphalt solution that has completed secondary filtration flows from the interior of the filter core 8 into the lower space of the partition plate 5, and then flows out from the outlet pipe 3, thus completing the filtration. The filtered liquid phase asphalt solution enters the liquid receiving box 21 for storage. This combination of preliminary filtration and secondary filtration can further remove small particles and dissolved impurities, ensuring the quality of the filtered liquid phase asphalt solution. Then, due to long-term use of the liquid phase asphalt solution filter, a certain amount of impurities accumulate on the filter core 8 and the upper support filter screen 11. The pressure pump 1 can be turned on. Switch 6 activates the pressurized water pump 16, which draws cleaning fluid from the backwash tank 15 and then distributes it through the diverter pipe 17 to the first backwash ring 18 and the second backwash ring 20. The flushing nozzle 19 is then directed at the filter core 8 and the upper filter screen 11 for backwashing. The flushed impurities then flow out through the upper and lower discharge ports 12 and 13, thus equipping the liquid phase asphalt solvent filter with a backwashing mechanism. This mechanism periodically cleans the filter core 8 and the upper filter screen 11, keeping them clean and unobstructed, thereby improving filtration efficiency. Regular backwashing also reduces wear and clogging of the filter core 8, extending its lifespan and lowering replacement costs. After completing the installation and use of the liquid phase asphalt solvent filter according to the above operations, turn off the pressurized water pump 16. If not in use for a long period, disconnect the external power supply. This completes the operation of the liquid phase asphalt solvent filter with a backwashing mechanism.

[0032] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A liquid asphalt solution filter having a backwash mechanism, characterized by: Includes a filter body (1), which is the main body for filtering liquid phase asphalt solution; A partition plate (5) is set inside the filter body (1) to separate the internal space. A threaded groove (6) is provided on the top of the partition plate (5). A threaded tube (7) is threaded inside the threaded groove (6). A filter core (8) is fixedly installed on the top of the threaded tube (7). An upper outlet (12) is provided on the outside of the filter body (1) for discharging filtered impurities. A lower outlet (13) is fixedly provided below the upper outlet (12). An upper cover (14) is fixedly installed on the top of the filter body (1). A backwash water tank (15) is fixedly installed on the top of the upper cover (14). A pressurized water pump (16) is fixedly installed on the top of the backwash water tank (15). A diverter pipe (17) is fixedly installed at the output end of the pressurized water pump (16). A first backwash ring (18) is fixedly connected to the other end of the diverter pipe (17). A flushing nozzle (19) is fixedly installed inside the first backwash ring (18). A second backwash ring (20) is provided below the first backwash ring (18). A liquid receiving box (21) is provided below the filter body (1).

2. The liquid asphalt solution filter with backwash mechanism according to claim 1, characterized in that: An external support frame (2) is fixedly installed on the outside of the filter body (1), an outlet pipe (3) is fixedly installed at the bottom of the filter body (1), and an inlet pipe (4) is fixedly installed on the filter body (1).

3. The liquid asphalt solution filter with backwash mechanism according to claim 1, characterized in that: The filter core (8) is threadedly connected to the spacer plate (5), and the filter core (8) is evenly distributed on the spacer plate (5).

4. The liquid asphalt solution filter with backwash mechanism according to claim 1, characterized in that: A support rod (9) is fixedly installed above the partition plate (5), and a fastening screw (10) passes through the upper part of the support rod (9). An upper filter screen (11) is fixedly installed on the outside of the fastening screw (10).

5. The liquid asphalt solution filter with backwash mechanism according to claim 4, characterized in that: The upper filter screen (11) is threadedly connected to the support rod (9), and the support rod (9) is fixedly connected to the partition plate (5).

6. The liquid asphalt solution filter with backwash mechanism according to claim 1, characterized in that: The number of flushing nozzles (19) is set to multiple, and the multiple flushing nozzles (19) are arranged in a ring array on the first backwash ring (18).

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