Waste mineral oil reduced pressure distillation coke discharge device

By combining a dual-station design with high-pressure cleaning fluid, the problem of cumbersome cleaning of vertical filters is solved, enabling rapid and effective removal of coke residue and improving the efficiency of waste mineral oil treatment.

CN223586590UActive Publication Date: 2025-11-25JIANGXI DEFU ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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Patent Information

Application Number
CN202423186513.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing vertical filters are cumbersome and ineffective in cleaning coke residue, which affects the service life of the equipment and the efficiency of waste mineral oil treatment.

Method used

The waste mineral oil vacuum distillation unit with a dual-station design switches between straight pipe stations via an electric rotating component and uses high-pressure cleaning fluid for flushing, reducing manual intervention and equipment downtime.

Benefits of technology

It enables rapid and effective cleaning of coke residue, reduces equipment downtime, and improves the efficiency of waste mineral oil treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waste mineral oil reduced pressure distillation coke discharging device which comprises a rack, two circular scrapers are attached to the inner top and the inner bottom of the rack in a sealed mode, a double-hole annular seat is fixedly connected between every two adjacent circular scrapers, two open holes of the double-hole annular seat are matched with the circular scrapers, and the circular scrapers are arranged in the double-hole annular seat. An electric rotating piece is jointly installed between the single double-hole annular base at the bottom and the rack, two straight pipes are jointly and fixedly connected between the two double-hole annular bases, and the straight pipes are matched with the open holes of the double-hole annular bases. According to the utility model, double-station design is adopted on the whole, the positions of the two straight pipes are switched when the coke discharging operation is needed, the equipment does not need to be shut down for a long time, the influence on the waste mineral oil treatment efficiency is reduced, meanwhile, high-pressure cleaning liquid is adopted for flushing during coke discharging, manpower participation is reduced, time and labor are saved, and the coke discharging efficiency is improved. And the cleaning effect can be ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a coke discharging technical field especially relates to a waste mineral oil vacuum distillation coke discharging device. BACKGROUND

[0002] In the vacuum distillation process, waste mineral oil is heated at a lower pressure, making it easier for light components (such as low-boiling hydrocarbons) to evaporate and be condensed and separated. This process can effectively remove water, light oil and other impurities in waste mineral oil, thereby improving the purity and quality of base oil. Currently, the two-line fraction in the vacuum distillation fraction is filtered by a vertical filter to remove the gum produced at low temperature.

[0003] The existing vertical filter filters the coke through its built-in filter screen. Due to the special properties of coke, it will stick to the inner wall of the filter when the temperature drops. During cleaning, the filter screen needs to be removed, and then the coke on the inner wall of the filter is removed by burning. The entire cleaning process is relatively cumbersome, and the cleaning effect is not good, which will affect the service life of the vertical filter. At the same time, due to the long cleaning process, the equipment needs to be shut down for a long time, which will also affect the processing efficiency of waste mineral oil. Therefore, a waste mineral oil vacuum distillation coke discharging device is proposed. SUMMARY

[0004] The utility model discloses a waste mineral oil vacuum distillation coke discharging device to solve the shortcomings in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a waste mineral oil vacuum distillation coke discharging device, comprising a rack, the inner top and inner bottom of the rack are sealed and fitted with two circular scrapers, two adjacent circular scrapers are fixedly connected with a double-hole annular seat, and the two openings of the double-hole annular seat are matched with the circular scraper, and the double-hole annular seat at the bottom is fixedly connected with an electric rotating part between the rack, two straight pipes are fixedly connected between the two double-hole annular seats, and the straight pipe is matched with the opening of the double-hole annular seat.

[0006] The top of the rack is fixedly penetrated with a first shell and a second shell, and the first shell is matched with the circular scraper, the top of the first shell is fixedly penetrated with a discharge pipe, the top of the second shell is fixedly penetrated with an exhaust pipe, and the top of the rack is provided with a through hole penetrating into the interior, and the through hole is matched with the circular scraper.

[0007] The bottom of the rack is provided with an electric telescopic L-shaped pipe penetrating into the interior of the rack, and the bottom of the rack is fixedly penetrated with an oil outlet pipe and a coke discharge pipe.

[0008] The top center of the rack is fixedly connected with an electric lifting frame, the movable end of the electric lifting frame is fixedly connected with a cover plate, the top of the cover plate is fixedly installed with a high-pressure water pump, the output end of the high-pressure water pump is fixedly penetrated with a rotary joint, the bottom of the rotary joint is fixedly connected with a water distribution pipe, and the cover plate is rotationally sleeved on the outer surface of the water distribution pipe, a plurality of inclined pipes are fixedly penetrated on the outer surface of the water distribution pipe, and the tail ends of the plurality of inclined pipes are fixedly penetrated with flush nozzles.

[0009] Further, the outer surfaces of the two adjacent circular scrapers are fixedly connected with rubber pads, and the rubber pads are sealingly abutted against the rack.

[0010] Further, the two double-hole annular seats are rotationally connected with the rack.

[0011] Further, the interiors of the two straight pipes are detachably fixedly installed with filter screens.

[0012] Further, the electric rotating member comprises a first motor, and the first motor is fixedly installed at the bottom of the rack, the driving end of the first motor is fixedly connected with a gear, the outer surface of the gear is meshingly connected with a gear ring, and the gear ring is fixedly sleeved on the outer surface of the adjacent double-hole annular seat.

[0013] Further, the electric telescopic L-shaped pipe comprises an L-shaped pipe body, and the L-shaped pipe body is sealingly embedded in the inner bottom of the rack, the bottom of the L-shaped pipe body penetrates the rack and sealingly slides with the rack, a fixed pipe is sealingly and slidingly sleeved on the outer surface of the L-shaped pipe body, the fixed pipe is fixedly connected with the rack, an electric push rod is fixedly installed on one side of the outer surface of the fixed pipe, and the movable end of the electric push rod is fixedly connected with the L-shaped pipe body.

[0014] Further, the electric lifting frame comprises a mounting frame, and the mounting frame is fixedly installed at the top of the rack, the top of the mounting frame is fixedly connected with a second motor, the driving end of the second motor is fixedly connected with a screw rod, the screw rod penetrates the mounting frame and is rotationally connected with the mounting frame, a sliding seat is threadedly sleeved on the outer surface of the screw rod, and the sliding seat is slidingly connected with the mounting frame and is fixedly connected with the cover plate.

[0015] The utility model discloses the beneficial effect:

[0016] When using, the device for waste mineral oil vacuum distillation and coke discharging, the whole adopts double station design, when needing to carry out the coke discharging operation, switching the position of two straight pipes can be carried out, the equipment does not need to stop for a long time, reduces the influence on the waste mineral oil treatment efficiency, and when discharging coke, high-pressure cleaning fluid is used for flushing, reduces the labor participation, not only saves time and effort, and can also guarantee the cleaning effect. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the present application, the drawings used in the specific implementation manner description will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Figure 1 The overall first perspective view structure of the present application;

[0019] Figure 2 The overall second perspective view structure of the present application;

[0020] Figure 3 The partial sectional view of the present application;

[0021] Figure 4 The overall first perspective view structure of the present application; Figure 3 The enlarged view of A in the present application.

[0022] The reference signs are as follows:

[0023] 1, rack; 2, gear; 3, straight pipe; 4, first motor; 5, double-hole annular seat; 6, gear ring; 7, mounting frame; 8, screw rod; 9, discharge pipe; 10, second motor; 11, sliding seat; 12, high-pressure water pump; 13, cover plate; 14, inclined pipe; 15, exhaust pipe; 16, filter screen; 17, second shell; 18, first shell; 19, rotary joint; 20, water distribution pipe; 21, flushing nozzle; 22, L-shaped pipe body; 23, oil outlet pipe; 24, electric push rod; 25, fixed pipe; 26, coke discharge pipe; 27, circular scraper; 28, rubber pad. Specific implementation manner

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] As Figures 1 to 4As shown, it relates to a device for waste mineral oil vacuum distillation and coke discharging, which comprises a rack 1, the inner top and bottom of the rack 1 are sealingly attached with two circular scrapers 27, the outer surfaces of the adjacent two circular scrapers 27 are fixedly connected with rubber pads 28, and the rubber pads 28 sealingly abut against the rack 1, thereby improving the sealing between the circular scraper 27 and the rack 1, the adjacent two circular scrapers 27 are fixedly connected with double-hole annular seats 5, the two double-hole annular seats 5 are rotatably connected with the rack 1, the double-hole annular seat 5 and the rack 1 are connected by bearings, the inner ring of the bearing is fixedly connected with the double-hole annular seat 5, the outer ring of the bearing is fixedly connected with the rack 1, and the two holes of the double-hole annular seat 5 are matched with the circular scraper 27, and the bottom single double-hole annular seat 5 is fixedly connected with the electric rotating part between the rack 1, the electric rotating part comprises a first motor 4, and the first motor 4 is fixedly installed at the bottom of the rack 1, the driving end of the first motor 4 is fixedly connected with a gear 2, the outer surface of the gear 2 is meshingly connected with a gear ring 6, and the gear ring 6 is fixedly sleeved on the outer surface of the adjacent double-hole annular seat 5, which is beneficial to driving the straight pipe 3 to switch positions, the two double-hole annular seats 5 are fixedly connected with two straight pipes 3, and the inside of the two straight pipes 3 is detachably fixedly installed with a filter screen 16, the filter screen 16 and the straight pipe 3 are fixedly connected by bolts, which is beneficial to disassembly, and the straight pipe 3 is matched with the hole of the double-hole annular seat 5.

[0026] The top of the rack 1 is fixedly penetrated with a first shell 18 and a second shell 17, and the first shell 18 is matched with the circular scraper 27, the top of the first shell 18 is fixedly penetrated with a discharge pipe 9, the top of the second shell 17 is fixedly penetrated with an exhaust pipe 15, and the top of the rack 1 is provided with a through hole penetrating into the inside, and the through hole is matched with the circular scraper 27;

[0027] The bottom of the rack 1 is provided with an electric telescopic L-shaped pipe penetrating into the inside of the rack 1, and the bottom of the rack 1 is fixedly penetrated with an oil outlet pipe 23 and a coke discharge pipe 26, the electric telescopic L-shaped pipe comprises an L-shaped pipe body 22, and the L-shaped pipe body 22 is sealingly embedded in the inner bottom of the rack 1, the bottom of the L-shaped pipe body 22 penetrates the rack 1 and sealingly slides, the outer surface of the L-shaped pipe body 22 is sealingly sleeved with a fixed pipe 25, and the fixed pipe 25 is fixedly connected with the rack 1, the outer surface of the fixed pipe 25 is fixedly installed with an electric push rod 24, and the movable end of the electric push rod 24 is fixedly connected with the L-shaped pipe body 22, when the L-shaped pipe body 22 is completely embedded in the inner bottom of the rack 1, the inner bottom of the rack 1 is in a horizontal state, which is beneficial to overall use.

[0028] The top center of the rack 1 is fixedly connected with an electric lifting frame, the movable end of the electric lifting frame is fixedly connected with a cover plate 13, the top of the cover plate 13 is fixedly installed with a high-pressure water pump 12, the output end of the high-pressure water pump 12 is fixedly penetrated with a rotary joint 19, the bottom of the rotary joint 19 is fixedly connected with a water distribution pipe 20, and the cover plate 13 is rotationally sleeved on the outer surface of the water distribution pipe 20, a plurality of inclined inclined pipes 14 are fixedly penetrated on the outer surface of the water distribution pipe 20, the tail ends of the plurality of inclined pipes 14 are fixedly penetrated with flush nozzles 21, the electric lifting frame comprises a mounting frame 7, and the mounting frame 7 is fixedly installed on the top of the rack 1, the top of the mounting frame 7 is fixedly connected with a second motor 10, the driving end of the second motor 10 is fixedly connected with a screw rod 8, and the screw rod 8 is arranged through the mounting frame 7 and rotationally connected therewith, the outer surface of the screw rod 8 is threadedly sleeved with a sliding seat 11, and the sliding seat 11 is slidingly connected between the mounting frame 7 and fixedly connected between the cover plate 13, the screw rod 8 and the mounting frame 7 are connected by bearings, the inner ring of the bearing is fixedly connected with the screw rod 8, and the outer ring of the bearing is fixedly connected with the mounting frame 7, which is convenient for the installation of the screw rod 8, and the mounting frame 7 has a limiting effect on the sliding seat 11, so that the stability of the sliding seat 11 can be ensured.

[0029] Working principle: first, the high-pressure water pump 12 is connected with the external acidic cleaning liquid and water storage device through the electric three-way valve; in the daily operation process, the fraction is introduced into the corresponding straight pipe 3 through the fixed pipe 25 and the L-shaped pipe body 22, then filtered through the filter screen 16, and then discharged through the discharge pipe 9, and the oil is discharged through the oil outlet pipe 23; when the coke discharging operation is needed, the first motor 4 drives the gear 2 to rotate, the gear 2 drives the double-hole annular seat 5 connected therewith to rotate through the gear ring 6, so that the switching of the two straight pipes 3 positions is realized, and in the switching process, when the just used straight pipe 3 passes through the position of the second shell 17, the exhaust pipe 15 can assist in pressure relief; when the just used straight pipe 3 is at the through-hole position, the worker removes the filter screen 16, then the second motor 10 operates, the second motor 10 drives the screw rod 8 to rotate, the screw rod 8 drives the sliding seat 11 and the cover plate 13 to descend, the cover plate 13 drives each component connected therewith to descend, until the cover plate 13 is attached to the top of the rack 1, the water distribution pipe 20 is in the corresponding straight pipe 3, then the high-pressure water pump 12 draws the pickling cleaning liquid into the rotary joint 19, and then sprays out through the water distribution pipe 20, the inclined pipe 14 and the flush nozzle 21, so as to flush the inner wall of the straight pipe 3, and in the flushing process, since the water outlet direction is inclined, the water distribution pipe 20 will also rotate, so as to improve the flushing effect, and the flushing liquid and the coke are discharged through the coke discharging pipe 26.

[0030] It should be noted that in actual use, the prior art controller can be added, and the controller is electrically connected with the first motor 4, the second motor 10, the electric push rod 24 and the high-pressure water pump 12, so as to facilitate the control of the overall operation. The specific data analysis and processing related to the control function are methods that can be realized by those skilled in the art based on common knowledge, and these method contents are not within the scope of the present scheme. The above description is only to illustrate the beneficial effects that can be achieved by improving the hardware structure based on common knowledge.

[0031] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and do not limit the present application to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the present application. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A device for depressurized distillation of waste mineral oil to remove coke, comprising a frame (1), characterized in that: The inner top and inner bottom of the frame (1) are sealed with two circular scrapers (27). A double-hole annular seat (5) is fixedly connected between two adjacent circular scrapers (27), and the two openings of the double-hole annular seat (5) match the circular scrapers (27). Each double-hole annular seat (5) at the bottom is equipped with an electric rotating component between itself and the frame (1). Two straight pipes (3) are fixedly connected between two double-hole annular seats (5), and the straight pipes (3) match the openings of the double-hole annular seats (5). The top of the frame (1) is fixedly connected to a first housing (18) and a second housing (17), and the first housing (18) is matched with a circular scraper (27). The top of the first housing (18) is fixedly connected to a discharge pipe (9), and the top of the second housing (17) is fixedly connected to an exhaust pipe (15). The top of the frame (1) is provided with a through hole that extends into the interior, and the through hole is matched with the circular scraper (27). The bottom of the frame (1) is provided with an electrically telescopic L-shaped tube that extends into the interior of the frame (1), and the bottom of the frame (1) is respectively fixed with an oil outlet pipe (23) and a coke discharge pipe (26). An electric lifting frame is fixedly connected to the top center of the frame (1). A cover plate (13) is fixedly connected to the movable end of the electric lifting frame. A high-pressure water pump (12) is fixedly installed on the top of the cover plate (13). A rotary joint (19) is fixedly connected to the output end of the high-pressure water pump (12). A water distribution pipe (20) is fixedly connected to the bottom of the rotary joint (19). The cover plate (13) is rotated and sleeved on the outer surface of the water distribution pipe (20). A plurality of inclined pipes (14) are fixedly connected to the outer surface of the water distribution pipe (20). A flushing nozzle (21) is fixedly connected to the end of each of the plurality of inclined pipes (14).

2. The apparatus for depressurized distillation and coke removal of waste mineral oil according to claim 1, characterized in that: The outer surfaces of two adjacent circular scrapers (27) are fixedly connected with rubber pads (28), and the rubber pads (28) are sealed and abut against the frame (1).

3. The apparatus for depressurized distillation and coke removal of waste mineral oil according to claim 1, characterized in that: Both of the aforementioned double-hole annular seats (5) are rotatably connected to the frame (1).

4. The apparatus for depressurized distillation and coke removal of waste mineral oil according to claim 1, characterized in that: Both of the straight tubes (3) have filter screens (16) detachably fixedly installed inside.

5. The apparatus for depressurized distillation and coke removal of waste mineral oil according to claim 1, characterized in that: The electric rotating component includes a first motor (4), and the first motor (4) is fixedly installed at the bottom of the frame (1). The drive end of the first motor (4) is fixedly connected to a gear (2). The outer surface of the gear (2) is meshed with a gear ring (6), and the gear ring (6) is fixedly sleeved on the outer surface of the adjacent double-hole annular seat (5).

6. The apparatus for vacuum distillation and coke removal of waste mineral oil according to claim 1, characterized in that: The electric telescopic L-shaped tube includes an L-shaped tube body (22), which is sealed and embedded in the inner bottom of the frame (1). The bottom of the L-shaped tube body (22) passes through the frame (1) and is sealed and slides with it. A fixed tube (25) is sealed and slides on the outer surface of the L-shaped tube body (22), and the fixed tube (25) is fixedly connected to the frame (1). An electric push rod (24) is fixedly installed on one side of the outer surface of the fixed tube (25), and the movable end of the electric push rod (24) is fixedly connected to the L-shaped tube body (22).

7. The apparatus for depressurized distillation and coke removal of waste mineral oil according to claim 1, characterized in that: The electric lifting frame includes a mounting frame (7), which is fixedly installed on the top of the frame (1). A second motor (10) is fixedly connected to the top of the mounting frame (7). A screw (8) is fixedly connected to the drive end of the second motor (10). The screw (8) passes through the mounting frame (7) and is rotatably connected to it. A slide (11) is threaded onto the outer surface of the screw (8). The slide (11) is slidably connected to the mounting frame (7) and fixedly connected to the cover plate (13).