Air-entrapping and slurry-returning device
By using a limiting structure and a cylinder-driven coke scraper device, the stability problem of the device in oil and gas pipelines of different diameters was solved, achieving efficient scraping and collection of coke and improving cleaning efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-24
AI Technical Summary
Existing gasification and slurry return devices are prone to shaking when connected to oil and gas pipelines of different sizes, leading to device instability.
The system employs a limiting structure, utilizing a cylinder to drive the connecting rod, causing the extrusion plate to contact the outer wall of the oil and gas pipeline. The lead screw drives the coke scraper to move horizontally, and combined with a magnetic suction plate and a vibrator, it achieves effective scraping and collection of the coke.
Ensure stable connection of the device in oil and gas pipelines of different diameters, effectively scrape off coke, avoid blockage, facilitate coke collection, and improve cleaning efficiency.
Smart Images

Figure CN224025985U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oil and gas pipeline technology, specifically to a gas filling and slurry return device. Background Technology
[0002] Oil pipelines are pipelines used to transport oil and other petrochemical products, commonly referred to as oil and gas pipelines. Oil pipelines can be divided into two types: long-distance pipelines and local pipelines. Long-distance pipelines generally refer to pipelines that cross regions and national borders, used to transport large quantities of oil and natural gas; their safety and reliability are paramount. Local pipelines typically refer to pipelines built within cities and industrial and mining enterprises, used to transport oil, natural gas, and other fuels, providing energy and heat supply. Over time, oil and gas pipelines accumulate tar, a flammable substance, so fire prevention is crucial during cleaning. Before cleaning, any residual liquid inside the pipeline must be thoroughly removed to prevent fires caused by reactions between oil / gas and accumulated substances. A cleaning brush can remove deposits, including tar and sediment, from the pipeline. The brush head diameter must be smaller than the pipeline's inner diameter to allow the brush head to fully enter the pipeline. During use, manual pushing or machine operation can be chosen. Personal protective equipment, such as masks and gloves, must be worn during cleaning to prevent personal injury. When using chemical reagents, extra caution must be taken regarding chemical safety; the instructions must be strictly followed.
[0003] For example, application number CN201620049220.8 relates to the field of pipeline cleaning technology, specifically disclosing an aerated return slurry device. The oil and gas pipeline descaling device provided by this utility model has one end connected to an oil and gas tank, and the other end as an oil and gas inlet. The descaling device includes a running track, a motor, and a descaling component. The running track is fixed inside the oil and gas pipeline, with one end extending to the oil and gas tank and the other end extending to the oil and gas inlet. The motor is connected to either end of the running track. The descaling component is mounted on the running track, and the motor drives the descaling component to reciprocate along the running track. The oil and gas pipeline descaling device provided by this utility model uses the reciprocating motion of the descaling component to push the deposits inside the oil and gas pipeline into the oil and gas tank. Compared to traditional spiral descaling devices, it has lower structural requirements for the descaling component, a simpler cleaning method, and the integral structure of the descaling component makes it less prone to coking.
[0004] The above applications currently have the following shortcomings:
[0005] The existing device is connected to oil and gas pipelines of different sizes, and the inconsistency in size can cause the device to shake.
[0006] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and proposed an aeration and slurry return device in order to achieve a more practical purpose. Utility Model Content
[0007] The purpose of this invention is to provide an aeration and slurry return device to solve the problems mentioned in the background art.
[0008] To achieve the above objectives, this utility model provides the following technical solution: an aerated slurry return device, comprising a motor and an extrusion plate, wherein the outer wall of the motor is provided with control buttons, and connecting strips are provided on the left and right sides of the motor, wherein an inner box is provided inside the connecting strip, and a sliding groove is provided on the outer wall of the inner box, wherein a cylinder is installed inside the inner box, and a connecting rod is provided at the end of the cylinder, and the extrusion plate is provided at the end of the connecting rod.
[0009] Furthermore, the motor is provided with a lead screw at its end, and a lead screw sleeve is provided on the outside of the lead screw.
[0010] Furthermore, a descaling scraper is provided on the outer side of the lead screw sleeve, and an installation sleeve is provided at the rear end of the lead screw.
[0011] Furthermore, a vibrator is installed at the rear end of the mounting sleeve, and a connecting sleeve is provided on the outside of the vibrator.
[0012] Furthermore, a magnetic absorbing piece one is provided on the rear outer wall of the connecting sleeve, and a magnetic absorbing piece two is provided on the rear side of the magnetic absorbing piece one.
[0013] Furthermore, a collection sleeve is provided on the rear side of the magnetic suction plate 2, and a suction pump is installed at the rear end of the collection sleeve. A suction pump baffle is provided inside the collection sleeve.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This aeration and slurry return device adopts a limiting structure, which can position the lead screw and ensure the stability of the device. The position of the extrusion plate can be adjusted by the cylinder, so as to connect to oil and gas pipelines of different sizes.
[0016] 2. This utility model uses a cylinder to drive the connecting rod, allowing the extrusion plate to contact the outer wall of the oil and gas pipeline. This provides a limiting function for the lead screw and motor. The rotation of the lead screw drives the descaling scraper to move horizontally, bringing it into contact with the inner wall of the oil and gas pipeline. The scraper's thrust effectively scrapes away the coke from the inner wall of the pipeline. Through repeated scraping motions, most of the coke can be effectively removed. The suction pump generates a strong suction force to absorb the scraped coke into the collection sleeve, facilitating coke collection. Simultaneously, the vibrator generates a certain vibration force to ensure the movement of the coke and prevent blockage. Magnetic plates one and two facilitate the assembly of the collection sleeve, making it convenient for workers to disassemble and clean it. Attached Figure Description
[0017] Figure 1This is a schematic diagram of the main structure of an aerated slurry return device according to the present invention;
[0018] Figure 2 This is an exploded three-dimensional structural diagram of the connecting sleeve and collecting sleeve of the gasification and slurry return device according to this utility model;
[0019] Figure 3 This is a three-dimensional structural diagram of the connecting sleeve and collecting sleeve of the gasification and slurry return device according to the present invention after explosion.
[0020] Figure 4 This is a schematic diagram of the internal three-dimensional structure of the collection sleeve of the aeration and slurry return device of this utility model.
[0021] In the diagram: 1. Motor; 2. Control button; 3. Connecting bar; 4. Internal box; 5. Cylinder; 6. Sliding groove; 7. Connecting rod; 8. Extrusion plate; 9. Lead screw; 10. Lead screw sleeve; 11. Coke removal scraper; 12. Mounting sleeve; 13. Vibrator; 14. Connecting sleeve; 15. Collection sleeve; 16. Suction pump; 17. Magnetic suction plate one; 18. Magnetic suction plate two; 19. Suction pump screen. Detailed Implementation
[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0023] like Figures 1-4As shown, an aerated slurry return device includes a motor 1 and an extrusion plate 8. The outer wall of the motor 1 is equipped with control buttons 2, and connecting strips 3 are provided on both sides of the motor 1. An internal box 4 is located inside the connecting strips 3, and a sliding groove 6 is formed on the outer wall of the internal box 4. A cylinder 5 is installed inside the internal box 4, and a connecting rod 7 is provided at the end of the cylinder 5. The extrusion plate 8 is located at the end of the connecting rod 7. A lead screw 9 is located at the end of the motor 1, and a lead screw sleeve 10 is provided on the outer side of the lead screw 9. A descaling scraper 11 is provided on the outer side of the lead screw sleeve 10. An installation sleeve 12 is provided at the rear end of the lead screw 9, and a vibrator 13 is installed at the rear end of the installation sleeve 12. A connecting sleeve 14 is provided on the outer side of the vibrator 13. A magnetic suction plate 17 is provided on the rear outer wall of the connecting sleeve 14, and a magnetic suction plate 18 is provided on the rear side of the magnetic suction plate 17. A collection sleeve 15 is provided on the rear side of the magnetic suction plate 18. A suction pump 16 is installed at the rear end of the collection sleeve 15. A suction pump baffle 19 is installed inside the collection sleeve 15. The cylinder 5 can drive the connecting rod 7 to move, so that the extrusion plate 8 can contact the outer wall of the oil and gas pipeline, thereby limiting the lead screw 9 and the motor 1. The rotation of the lead screw 9 can drive the coke removal scraper 11 to move horizontally, so that the coke removal scraper 11 contacts the inner wall of the oil and gas pipeline. The pushing force of the coke removal scraper 11 can effectively scrape the coke on the inner wall of the oil and gas pipeline. Through multiple coke removal movements, most of the coke can be effectively scraped off. The suction pump 16 generates a large suction force to absorb the scraped coke into the collection sleeve 15, which facilitates the collection of coke. At the same time, the vibrator 13 generates a certain vibration force to ensure the movement of the coke and prevent coke blockage. Magnetic suction plate 17 and magnetic suction plate 2 18 facilitate the assembly of the collection sleeve 15 and make it convenient for workers to disassemble and clean the collection sleeve 15.
[0024] Working principle: When this type of aerated slurry return device is in use, it first... Figures 1-4 Install a coking scraper 11 of appropriate size according to the size of the oil and gas pipeline. Install the coking scraper 11 onto the lead screw 9. Place the lead screw 9 and the coking scraper 11 inside the oil and gas pipeline. Activate the cylinder 5 to push the extrusion plate 8 to move, so that the two extrusion plates 8 on both sides move closer together. This allows the extrusion plate 8 to contact the outer wall of the oil and gas pipeline, playing a clamping role and thus limiting the device. After installation, the end of the lead screw 9 will pass through the oil and gas pipeline. Connect the mounting sleeve 12 to the end of the lead screw 9 to install the connecting sleeve 14. Then, use the magnetic suction piece 17... The mutual attraction between the magnetic suction plate 18 and the collection sleeve 15 is installed at the rear end of the connecting sleeve 14. The rotation of the lead screw 9 can drive the coke removal scraper 11 to move horizontally, so that the coke removal scraper 11 contacts the inner wall of the oil and gas pipeline. The pushing force of the coke removal scraper 11 can effectively scrape the coke on the inner wall of the oil and gas pipeline. Through multiple coke removal movements, most of the coke can be effectively removed. The suction pump 16 is turned on to absorb the fallen coke into the collection sleeve 15 for easy collection. At the same time, the vibrator 13 generates a certain vibration force to ensure the movement of the coke and prevent coke blockage.
[0025] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. An aerated slurry return device, comprising a motor (1) and an extrusion plate (8), characterized in that, The motor (1) has a control button (2) on its outer wall and a connecting strip (3) on its left and right sides. The connecting strip (3) has an inner box (4) inside it and a sliding groove (6) on its outer wall. The inner box (4) has a cylinder (5) installed inside it and a connecting rod (7) at the end of the cylinder (5). The extrusion plate (8) is located at the end of the connecting rod (7).
2. The aerated slurry return device according to claim 1, characterized in that, The motor (1) is provided with a lead screw (9) at its end, and a lead screw sleeve (10) is provided on the outside of the lead screw (9).
3. The aerated slurry return device according to claim 2, characterized in that, A descaling scraper (11) is provided on the outer side of the lead screw sleeve (10), and an installation sleeve (12) is provided at the rear end of the lead screw (9).
4. The aerated slurry return device according to claim 3, characterized in that, The vibrator (13) is installed at the rear end of the mounting sleeve (12), and a connecting sleeve (14) is provided on the outside of the vibrator (13).
5. The aerated slurry return device according to claim 4, characterized in that, The rear outer wall of the connecting sleeve (14) is provided with a magnetic suction piece one (17), and a magnetic suction piece two (18) is provided on the rear side of the magnetic suction piece one (17).
6. The aerated slurry return device according to claim 5, characterized in that, A collection sleeve (15) is provided on the rear side of the magnetic suction plate (18), and a suction pump (16) is installed at the rear end of the collection sleeve (15). A suction pump baffle (19) is provided inside the collection sleeve (15).
Citation Information
Patent Citations
Oil gas pipeline coke cleaning device
CN205362136U