Gas cylinder interior cleaning device
By designing the internal cleaning device of the gas cylinder, using the flipped and rotating inner cylinder and cleaning components, combined with physical and chemical cleaning, the problem of traditional cleaning tools being difficult to enter the inside of the gas cylinder is solved, and efficient cleaning effect and reuse of stainless steel sand is achieved.
Patent Information
- Application Number
- CN202510667145.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2025-07-11
AI Technical Summary
Traditional internal cleaning tools for gas cylinders are difficult to enter their interior, so they can effectively clean their inner walls. Chemical cleaning takes a long time, especially when dealing with stubborn stains, they are inefficient.
An internal cleaning device for gas cylinders is designed, using a reversible inner cylinder and internal cleaning components, including hollow cylinders, storage cylinders, tubes and stainless steel sand. Combined with physical and chemical cleaning, magnets are used to adsorb stainless steel sand to achieve the flip and rotation of the cylinders, and the cleaning liquid is conveyed through the flushing pipe, and a barrier cover is set to prevent the loss of stainless steel sand.
It improves the internal cleaning efficiency and effect of the gas cylinder, combines physical cleaning and chemical cleaning, shortens the cleaning time and ensures the reuse of stainless steel sand.
Smart Images
Figure CN120286453A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of gas cylinder cleaning, and particularly to an internal cleaning device for gas cylinders. Background Art
[0002] A gas cylinder is a movable and refillable pressure vessel, mainly used for storing and transporting gases. In order to ensure the purity of newly filled gases and avoid cross - contamination of different gases, before using a gas cylinder, it needs to be cleaned, especially the internal part.
[0003] At present, due to the small size of the gas cylinder mouth, traditional physical cleaning tools are difficult to enter the inside to clean the inner wall. Therefore, the internal cleaning of gas cylinders generally adopts a water - based cleaning method, that is, first flushing with a high - pressure water gun, and then removing the internal oil stains and rust by chemical cleaning (acetone, alkaline solution). However, without the cooperation of physical cleaning, chemical cleaning takes a long time when dealing with some relatively stubborn coagulated scales (for example, it generally takes 30 minutes to 2 hours to clean grease with an alkaline solution or organic solvent, and 2 to 12 hours to soak with hydrochloric acid or phosphoric acid for anti - corrosion treatment).
[0004] Therefore, it is necessary to propose an internal cleaning device for gas cylinders with higher cleaning efficiency to solve the above problems. Summary of the Invention
[0005] To solve the above - mentioned technical problems, the present invention provides an internal cleaning device for gas cylinders.
[0006] The present invention is realized by the following technical solutions: an outer cylinder and an inner cylinder rotatably arranged in the outer cylinder, and a cleaning component is arranged in the inner cylinder; The cleaning component includes a hollow cylinder and a storage cylinder fixedly arranged in the inner cylinder. Stainless steel sand for cleaning the inside of the gas cylinder is arranged in the storage cylinder. A pressing tube is rotatably arranged on the storage cylinder, which rotates self - rotatably following the flipping of the inner cylinder. One end of the pressing tube extends into the hollow cylinder and is rotatably connected to the hollow cylinder, so that the gas cylinder flips and rotates during cleaning, better cooperating with the stainless steel sand to clean the inside of the gas cylinder; The inner cylinder is also provided with a flushing tube with one end extending into the storage cylinder and the other end extending outside the inner cylinder to convey cleaning liquid into the gas cylinder. An L - shaped limiting frame that can be lifted and horizontally moved is also arranged in the inner cylinder, which can not only limit the gas cylinder in the hollow cylinder, but also press the gas cylinder tightly against the pressing tube.
[0007] As a further improvement of the above - mentioned scheme, the shape of the L - shaped limiting frame is similar to the outer contour of the gas cylinder. A plurality of magnets are fixedly arranged on the L - shaped limiting frame, so that when the L - shaped limiting frame limits the gas cylinder, the magnets are close to the surface of the gas cylinder and adsorb the stainless steel sand in the gas cylinder, making the stainless steel sand evenly and tightly adhere to the inner wall of the gas cylinder.
[0008] As a further improvement of the above scheme, a frame that can be lifted and lowered is provided in the inner cylinder, an L-shaped limiting frame is arranged in the frame and is slidably connected to the frame, and reverse thrust components are also arranged on both sides of the frame to allow the L-shaped limiting frame to move and reset. A trapezoidal protrusion is provided on the L-shaped limiting frame, and a notch is provided on the hollow cylinder, so that when the L-shaped limiting frame enters the hollow cylinder, the trapezoidal protrusion and the edge of the notch will abut against each other to push the L-shaped limiting frame to push the gas cylinder against the abutment tube.
[0009] As a further improvement of the above scheme, the flushing pipe consists of a main pipe, a first branch pipe and a second branch pipe. The first branch pipe is rotatably connected to the storage tube and the main pipe. The water outlet end of the first branch pipe extending into the storage tube is offset from the abutment pipe. The first branch pipe is transmission-connected to the frame, so that when the frame drives the L-shaped limiting frame to limit and tighten the gas cylinder, the angle of the water outlet end of the first branch pipe is synchronously adjusted. When cleaning the gas cylinder, cleaning liquid is poured into the gas cylinder mouth. When the stainless steel sand needs to be discharged into the storage tube after cleaning, it is offset from the gas cylinder mouth to prevent stainless steel sand from entering.
[0010] As a further improvement of the above scheme, a torsion spring for rotational resetting is arranged between the first branch pipe and the storage tube, a seesaw is fixedly arranged on the first branch pipe, and a top frame for pushing the seesaw is fixedly arranged on the frame, so that the first branch pipe is driven to rotate by pushing the seesaw to adjust the angle of the water outlet end of the first branch pipe.
[0011] As a further improvement of the above scheme, a sewage outlet is provided on the storage cylinder, and a baffle cover which is opposite to the sewage outlet is fixedly installed on the part of the first branch pipe which is inside the storage cylinder, so that when the gas cylinder is cleaned, the water outlet end of the first branch pipe is opposite to the gas cylinder mouth and the baffle cover is offset from the sewage outlet, so that the cleaning waste liquid in the gas cylinder can be discharged; when the gas cylinder is cleaned and the stainless steel sand needs to be discharged into the storage cylinder, the water outlet end of the first branch pipe is offset from the gas cylinder mouth, and the baffle cover blocks the sewage outlet to prevent the stainless steel sand from being lost.
[0012] As a further improvement of the above scheme, a cleaning brush is provided in the hollow cylinder, and a spray pipe connected to the second branch of the flushing pipe is also provided in the inner cylinder, so that when the hollow cylinder rotates, the gas cylinder can not only be cleaned inside with stainless steel sand, but also its surface can be cleaned at the same time.
[0013] As a further improvement of the above solution, a rubber abutment plate is rotatably provided on the L-shaped limiting frame, so that when the L-shaped limiting frame is pressed against the bottom of the gas cylinder, the rotation of the gas cylinder will not be affected.
[0014] As a further improvement of the above solution, a plurality of groups of sliding beads distributed in an annular shape are embedded on the inner wall of the hollow cylinder, so that the friction resistance encountered by the gas cylinder when rotating in the hollow cylinder is reduced.
[0015] Compared with the prior art, the present invention has the following beneficial effects: By setting a reversible inner cylinder, and setting a cleaning component composed of a hollow cylinder, a storage cylinder, a pipe, stainless steel sand and other structures in the inner cylinder, the characteristics of the cylinder can be driven to turn and rotate, and the stainless steel sand and the flushing pipe that can flush the inside of the cylinder are combined. Compared with the existing cylinder cleaning device, it is not limited by the cylinder mouth, and physical cleaning and chemical cleaning are combined, which not only improves the cleaning efficiency of the inside of the cylinder, but also improves the cleaning effect; By arranging a plurality of magnets on the L-shaped limiting frame, the L-shaped limiting frame can not only cooperate with the hollow tube and the abutment tube to tightly limit the gas cylinder to ensure that the gas cylinder can rotate normally, but also allow the stainless steel sand entering the gas cylinder to be more closely and evenly attached to the gas cylinder, so that when the gas cylinder rotates, the stainless steel sand can be closely attached to the inner wall of the gas cylinder close to the magnet, which has a better cleaning effect on the inner wall of the gas cylinder. At the same time, when the waste water is discharged, the stainless steel sand can be prevented from being discharged together with the waste water to cause loss. The first branch pipe of the flushing pipe is arranged to be rotatably connected to the storage cylinder and to be transmission-connected to the frame, so that when the stainless steel sand is in the gas cylinder and the gas cylinder is being cleaned, the nozzle at the water outlet end of the first branch pipe can inject cleaning liquid toward the gas cylinder mouth, and when the stainless steel sand needs to be discharged into the storage cylinder, the nozzle at the water outlet end of the first branch pipe is staggered from the gas cylinder mouth and abuts against the inner wall of the storage cylinder to achieve sealing, thereby preventing the stainless steel sand from falling onto the nozzle at the water outlet end of the first branch pipe and causing the nozzle to be blocked; By connecting the blocking cover for blocking the sewage outlet with the first branch pipe, the blocking cover can be moved away from the sewage outlet when the stainless steel sand enters the gas cylinder, thereby ensuring that the cleaning wastewater in the gas cylinder can be discharged through the sewage outlet. When the stainless steel sand is discharged into the storage cylinder, the sewage outlet is sealed to prevent the stainless steel sand from leaking from the sewage outlet, thereby ensuring that the stainless steel sand can be reused. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is an overall display diagram of the gas cylinder internal cleaning device of the present invention; Figure 2 This is a diagram showing the removal of the cover of the gas cylinder internal cleaning device of the present invention; Figure 3 It is a front sectional plan view showing the gas cylinder internal cleaning device of the present invention; Figure 4 This is a disassembled display diagram of the gas cylinder internal cleaning device of the present invention; Figure 5 This is a cross-sectional view of the inner tube; Figure 6 This is a disassembled display diagram of the hollow tube and the abutment tube; Figure 7 The assembly and disassembly diagrams of the frame and the L-shaped limiting frame are shown; Figure 8 This is a separate display diagram of the flushing pipe; Figure 9 The present invention is a flowchart of the gas cylinder internal cleaning device.
[0017] Description of main symbols: 1. Outer cylinder 1; 101. Feed inlet; 102. Discharge outlet; 103. Drain pipe head; 104. Motor; 2. Inner cylinder; 201. Electric push rod; 3. Hollow cylinder; 301. Notch; 302. Sliding ball; 303. Cleaning brush; 4. Storage cylinder; 5. Pipe stop; 6. Frame; 7. L-shaped limiting frame; 701. Trapezoidal protrusion; 702. Rubber disc stop; 8. Magnet; 9. Flushing pipe; 901. Main pipe; 9011. Connector; 902. First branch pipe; 903. Second branch pipe; 10. Spray pipe; 11. Top frame; 12. Rocker; 13. Torsion spring; 14. Cover; 15. Drain outlet. DETAILED DESCRIPTION
[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0019] Please combine Figures 1 to 9 , a gas cylinder internal cleaning device, comprising: an outer cylinder 1 and an inner cylinder 2 rotatably arranged in the outer cylinder 1, the outer cylinder 1 and the inner cylinder 2 are both open cylinders, consisting of a cylinder and a single end cover, the two are combined into a complete sealed cylinder, and the outer cylinder 1 and the inner cylinder 2 are rotatably connected while maintaining a certain gap for wastewater circulation, and a support seat is also provided at the bottom of the outer cylinder 1, a motor 104 is fixedly installed on the support seat, a circular gear is provided on the motor 104, and a gear ring meshing with the circular gear is fixedly installed on the inner cylinder 2, so that the inner cylinder 2 is driven to rotate by the motor 104, a feed port 101 is provided at the nine o'clock position of the outer cylinder 1, and a discharge port 102 is provided at the four o'clock position for placing and discharging gas cylinders, a sewage discharge pipe head 103 is also provided at the bottom of the outer cylinder 1, and a cleaning component is provided in the inner cylinder 2; Please combine Figure 2 and Figure 3, the cleaning assembly includes a hollow cylinder 3 fixedly arranged inside the inner cylinder 2 and a storage cylinder 4. Stainless steel sand for cleaning the inside of the gas cylinder is arranged in the storage cylinder 4. The stainless steel sand is made of 410, 420 or 440 stainless steel with strong magnetism to ensure that the stainless steel sand can be affected by the magnet 8. A pressing tube 5 that rotates with the inner cylinder 2 when it flips is rotatably arranged on the storage cylinder 4. The inner diameter of one end of the pressing tube 5 close to the hollow cylinder 3 is slightly larger than the nozzle of the gas cylinder, so that the nozzle of the gas cylinder can be inserted into the pressing tube 5. The inner diameter of the end of the pressing tube 5 close to the storage cylinder 4 is smaller and close to the inner diameter of the gas cylinder mouth. In this way, when the stainless steel sand enters the inside of the gas cylinder through the pressing tube 5, it will not be restricted by the gas cylinder nozzle. A circular gear is fixedly sleeved on the pressing tube 5, and a toothed ring meshing with the circular gear is fixedly installed on the inner wall of the outer cylinder 1. In this way, when the inner cylinder 2 drives the cleaning assembly to flip, the circular gear will drive the pressing tube 5 to rotate under the influence of the toothed ring. One end of the pressing tube 5 extends into the hollow cylinder 3 and is rotatably connected to the hollow cylinder 3. The end of the pressing tube 5 extending into the hollow cylinder 3 is made of rubber material to ensure that when it is pressed tightly against the gas cylinder, it will not cause damage to the surface of the gas cylinder, and at the same time, it can smoothly drive the gas cylinder to rotate, so that the gas cylinder flips and rotates during cleaning, and better cooperates with the stainless steel sand to clean the inside of the gas cylinder; The inner cylinder 2 is also provided with a flushing tube 9 with one end extending into the storage cylinder 4 and the other end extending outside the inner cylinder 2 to convey cleaning liquid into the inside of the gas cylinder. An L-shaped limiting frame 7 that can be lifted and horizontally moved is also arranged inside the inner cylinder 2, which can not only limit the gas cylinder in the hollow cylinder 3, but also press the gas cylinder tightly against the pressing tube 5.
[0020] Through the above technical solution, the characteristics of driving the gas cylinder to flip and rotate, combined with the stainless steel sand and the flushing tube 9 that can flush the inside of the gas cylinder, compared with the existing gas cylinder cleaning device, can be unrestricted by the gas cylinder mouth, combine physical cleaning and chemical cleaning, not only improve the cleaning efficiency of the inside of the gas cylinder, but also improve the cleaning effect.
[0021] Please combine Figure 7 , the shape of the L-shaped limiting frame 7 is similar to the outer contour of the gas cylinder. A plurality of magnets 8 are fixedly arranged on the L-shaped limiting frame 7. The magnets 8 can be made of neodymium iron boron magnets with strong magnetism. In this way, when the L-shaped limiting frame 7 limits the gas cylinder, the magnets 8 are close to the surface of the gas cylinder and adsorb the stainless steel sand in the gas cylinder, so that the stainless steel sand is evenly and tightly attached to the inner wall of the gas cylinder.
[0022] Through the above technical solution, the L-shaped limiting frame 7 can not only cooperate with the hollow cylinder 3 and the abutting pipe 5 to tightly limit the gas cylinder, ensuring that the gas cylinder can rotate normally, but also make the stainless steel sand entering the inside of the gas cylinder fit more closely and evenly to the gas cylinder. When the gas cylinder rotates, the stainless steel sand can closely adhere to the inner wall of the gas cylinder on the side close to the magnet 8, achieving a better cleaning effect on the inner wall of the gas cylinder. At the same time, when discharging the waste water, it can prevent the stainless steel sand from being discharged together with the waste water and causing loss.
[0023] Please refer to Figure 5 , a frame 6 capable of lifting is arranged inside the inner cylinder 2. The L-shaped limiting frame 7 is arranged inside the frame 6 and is slidably connected to the frame 6. The bottom inner wall of the inner cylinder 2 is fixedly installed with an electric push rod 201, and the output rod of the electric push rod 201 is fixedly connected to the frame 6, thereby driving the frame 6 and the L-shaped limiting frame 7 installed on the frame 6 to lift. Anti-pushing components for moving the L-shaped limiting frame 7 to reset are also arranged on both sides of the frame 6. The anti-pushing components include a connecting block that penetrates the frame 6 and is fixedly connected to the L-shaped limiting frame 7. A sliding rod is arranged on the connecting block. A resisting block is fixedly arranged on the frame 6. The sliding rod penetrates the resisting block and is slidably connected to the resisting block. A spring is slidably sleeved on the sliding rod, and both ends of the spring abut against the connecting block and the resisting block respectively. A trapezoidal protrusion 701 is arranged on the L-shaped limiting frame 7, and a notch 301 is arranged on the hollow cylinder 3. In this way, when the L-shaped limiting frame 7 enters the hollow cylinder 3, the trapezoidal protrusion 701 abuts against the edge of the notch 301, which will push the L-shaped limiting frame 7 to abut the gas cylinder against the abutting pipe 5.
[0024] Please refer to Figure 8 , the flushing pipe 9 is composed of a main pipe 901, a first branch pipe 902, and a second branch pipe 903. One end of the main pipe 901 extending outside the inner cylinder 2 is provided with a rotatable connector 9011, so as to ensure that the flushing pipe 9 can not only be connected to an external water supply pipe, but also rotate synchronously with the inner cylinder 2 without being restricted. The first branch pipe 902 is rotationally connected to the storage cylinder 4 and the main pipe 901. The water outlet end of the first branch pipe 902 extending into the storage cylinder 4 is offset from the abutting pipe 5 and is provided with a nozzle. The first branch pipe 902 is in transmission connection with the frame 6. In this way, when the frame 6 drives the L-shaped limiting frame 7 to limit and tightly abut the gas cylinder, the angle of the water outlet end of the first branch pipe 902 can be adjusted synchronously. When cleaning the gas cylinder, the cleaning liquid is poured into the gas cylinder mouth. When it is necessary to discharge the stainless steel sand into the storage cylinder 4 after the cleaning is completed, it is offset from the gas cylinder mouth to prevent the stainless steel sand from entering; The storage cylinder 4 is provided with a sewage outlet 15. A baffle 14 opposite to the sewage outlet 15 is fixedly installed on the part of the first branch pipe 902 inside the storage cylinder 4. In this way, when the gas cylinder is being cleaned, the water outlet end of the first branch pipe 902 is aligned with the gas cylinder mouth and the baffle 14 is misaligned with the sewage outlet 15, enabling the cleaning waste liquid in the gas cylinder to be discharged therefrom. When the stainless steel sand needs to be discharged into the storage cylinder 4 after the gas cylinder cleaning is completed, the water outlet end of the first branch pipe 902 is misaligned with the gas cylinder mouth, and the baffle 14 blocks the sewage outlet 15 to prevent the loss of stainless steel sand.
[0025] Through the above technical solution, by arranging the first branch pipe 902 of the flushing pipe 9 to be rotatably connected to the storage cylinder 4 and drivingly connected to the frame 6, when the stainless steel sand is inside the gas cylinder and the gas cylinder is being cleaned, the spray head at the water outlet end of the first branch pipe 902 can pour the cleaning liquid towards the gas cylinder mouth. When the stainless steel sand needs to be discharged into the storage cylinder 4, the spray head at the water outlet end of the first branch pipe 902 is misaligned with the gas cylinder mouth and abuts against the inner wall of the storage cylinder 4 to achieve sealing, preventing the stainless steel sand from falling onto the spray head at the water outlet end of the first branch pipe 902 and causing blockage of the spray head. By connecting the baffle 14 for blocking the sewage outlet 15 to the first branch pipe 902, the baffle 14 can be moved away from the sewage outlet 15 when the stainless steel sand enters the gas cylinder, ensuring that the cleaning sewage in the gas cylinder can be discharged through the sewage outlet 15. When the stainless steel sand is discharged into the storage cylinder 4, the sewage outlet 15 is sealed to prevent the stainless steel sand from leaking from the sewage outlet 15, ensuring the recyclability of the stainless steel sand.
[0026] A torsion spring 13 for rotational reset is arranged between the first branch pipe 902 and the storage cylinder 4. A rocker 12 is fixedly arranged on the first branch pipe 902, and a top frame 11 for pushing the rocker 12 is fixedly arranged on the frame 6. In this way, by pushing the rocker 12, the first branch pipe 902 is driven to rotate to adjust the angle of the water outlet end of the first branch pipe 902.
[0027] A cleaning brush 303 is arranged inside the hollow cylinder 3, and a spraying pipe 10 connected to the second branch pipe 903 of the flushing pipe 9 is also arranged inside the inner cylinder 2. In this way, when the hollow cylinder 3 rotates, the gas cylinder can not only be cleaned inside by the stainless steel sand, but also its surface can be cleaned incidentally.
[0028] A rubber abutting disc 702 is also rotatably arranged on the L-shaped limiting frame 7, so that when the L-shaped limiting frame 7 abuts tightly against the bottom of the gas cylinder, it will not affect the rotation of the gas cylinder.
[0029] A plurality of groups of sliding beads 302 distributed in a ring are embedded on the inner wall of the hollow cylinder 3, so that the frictional resistance when the gas cylinder rotates inside the hollow cylinder 3 is smaller.
[0030] The implementation principle of an internal cleaning device for a gas cylinder in the embodiment of the present application is as follows: Before use, connect the connector 9011 on the flushing pipe 9 to an external water supply pipe, and connect the sewage pipe head 103 to an external sewage pipe; During use (for the initial state of the cleaning device, refer to the appendix Figure 3 ), insert the gas cylinder to be cleaned into the hollow cylinder 3 (with the gas cylinder mouth facing inward towards the abutting pipe 5). Then, start the electric push rod 201 to drive the frame 6 and the L-shaped limiting frame 7 to rise until the L-shaped limiting frame 7 enters the hollow cylinder 3 through the notch 301 and approaches the gas cylinder. During this process, the trapezoidal convex block 701 on the L-shaped limiting frame 7 is tightened by the edge of the notch 301 during the rising process, so that the L-shaped limiting frame 7 translates towards the side of the storage cylinder 4 while squeezing the reverse pushing assembly until the rubber abutting disc 702 on it abuts against the bottom of the gas cylinder and pushes the gas cylinder nozzle into the abutting pipe 5, so that the abutting pipe 5 and the L-shaped limiting frame 7 clamp the gas cylinder; During this process, the frame 6 will drive the top frame 11 to squeeze the rocker 12 on the first branch pipe 902 of the flushing pipe 9, so that the rocker 12 drives the first branch pipe 902 and the baffle 14 to rotate, so that the baffle 14 is moved away from the sewage outlet 15 on the storage cylinder 4, and the drainage end of the first branch pipe 902 is moved to the center position of the storage cylinder 4 to align with the abutting pipe 5 and the gas cylinder mouth; Subsequently, start the motor 104 to drive the inner cylinder 2 to rotate, so that the inner cylinder 2 rotates counterclockwise by ninety degrees to make the storage cylinder 4 at the twelve o'clock position. At this time, the stainless steel sand in the storage cylinder 4 falls into the gas cylinder. Subsequently, pour cleaning liquid or cleaning water into the gas cylinder through the flushing pipe 9, and drive the inner cylinder 2 to continuously flip through the motor 104. The inner cylinder 2 drives the gas cylinder to flip. At the same time, the gear on the abutting pipe 5 cooperates with the stationary toothed ring during the flipping process to drive the gas cylinder to rotate. When the gas cylinder rotates, the stainless steel sand affected by the magnet 8 will adhere to the inner wall of the gas cylinder and clean the gas cylinder as the gas cylinder rotates. When the gas cylinder rotates, the cleaning brush 303 in the hollow cylinder 3 and the spraying pipe 10 can also clean the surface of the gas cylinder. The cleaning waste liquid in the inner cylinder 2 will be discharged into the outer cylinder 1 through the connection port between the hollow cylinder 3 and the inner cylinder 2 and discharged through the sewage pipe head 103, while the cleaning waste liquid inside the gas cylinder will be discharged into the outer cylinder 1 through the sewage outlet 15 on the storage cylinder 4; After the gas cylinder is cleaned and the cleaning waste liquid in the gas cylinder is discharged, start the electric push rod 201 to drive the L-shaped limiting frame 7 to descend to release the restriction on the gas cylinder, and flip the inner cylinder 2 to transfer the storage cylinder 4 to the six o'clock position. At this time, the stainless steel sand in the gas cylinder loses the adsorption of the magnet 8 and will automatically fall into the storage cylinder 4. Then, flip the inner cylinder 2 again to align the port of the hollow cylinder 3 with the discharge port 102 on the outer cylinder 1, so that the cleaned gas cylinder slides out automatically.
[0031] The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited thereby. Any non-substantive changes and substitutions made by those skilled in the art based on the present invention fall within the scope of protection required by the present invention.
Claims
1. An internal cleaning device for gas cylinders, characterized in that, include: An outer cylinder (1) and an inner cylinder (2) rotatably disposed in the outer cylinder (1), wherein a cleaning component is disposed in the inner cylinder (2); The cleaning assembly comprises a hollow cylinder (3) fixedly arranged in the inner cylinder (2) and a storage cylinder (4), wherein the storage cylinder (4) is provided with stainless steel sand for cleaning the interior of the gas cylinder, and a stop tube (5) is rotatably arranged on the storage cylinder (4) and rotates with the turning of the inner cylinder (2), and one end of the stop tube (5) extends into the hollow cylinder (3) and is rotatably connected to the hollow cylinder (3), so that the gas cylinder turns over and rotates during cleaning, and the interior of the gas cylinder is better cleaned with the stainless steel sand; The inner cylinder (2) is also provided with a flushing pipe (9) having one end extending into the storage cylinder (4) and the other end extending outside the inner cylinder (2), so as to transport cleaning liquid into the gas cylinder. The inner cylinder (2) is also provided with an L-shaped limiting frame (7) capable of lifting and lowering and lateral movement, so as to not only limit the gas cylinder in the hollow cylinder (3) but also press the gas cylinder against the abutting pipe (5).
2. The internal cleaning device for gas cylinders according to claim 1, wherein The shape of the L-shaped limiting frame (7) is similar to the outer contour of the gas cylinder. A plurality of magnets (8) are fixedly arranged on the L-shaped limiting frame (7), so that when the L-shaped limiting frame (7) limits the gas cylinder, the magnets (8) are close to the surface of the gas cylinder and absorb the stainless steel sand in the gas cylinder, so that the stainless steel sand is evenly and tightly attached to the inner wall of the gas cylinder.
3. The internal cleaning device for gas cylinders according to claim 1, characterized in that, A frame (6) capable of being raised and lowered is arranged in the inner cylinder (2); the L-shaped limiting frame (7) is arranged in the frame (6) and is slidably connected to the frame (6); both sides of the frame (6) are also provided with reverse thrust components for allowing the L-shaped limiting frame (7) to move and reset; a trapezoidal protrusion (701) is arranged on the L-shaped limiting frame (7); and a notch (301) is arranged on the hollow cylinder (3), so that when the L-shaped limiting frame (7) enters the hollow cylinder (3), the trapezoidal protrusion (701) abuts against the edge of the notch (301), thereby pushing the L-shaped limiting frame (7) to abut the gas cylinder against the abutting tube (5).
4. The internal cleaning device for gas cylinders according to claim 1, characterized in that, The flushing pipe (9) is composed of a main pipe (901), a first branch pipe (902) and a second branch pipe (903). The first branch pipe (902) is rotatably connected to the storage tube (4) and the main pipe (901). The water outlet end of the first branch pipe (902) extending into the storage tube (4) is offset from the abutting pipe (5). The first branch pipe (902) is transmission-connected to the frame (6), so that when the frame (6) drives the L-shaped limiting frame (7) to limit and tighten the gas cylinder, the angle of the water outlet end of the first branch pipe (902) is synchronously adjusted. When cleaning the gas cylinder, the cleaning liquid is poured into the gas cylinder mouth. When the stainless steel sand needs to be discharged into the storage tube (4) after cleaning, it is offset from the gas cylinder mouth to prevent the stainless steel sand from entering.
5. The internal cleaning device for gas cylinders according to claim 4, characterized in that A torsion spring (13) for rotational reset is provided between the first branch pipe (902) and the storage cylinder (4). A rocker (12) is fixedly arranged on the first branch pipe (902), and a top frame (11) for pushing the rocker (12) is fixedly arranged on the frame (6). In this way, by pushing the rocker (12), the first branch pipe (902) is driven to rotate to adjust the angle of the water outlet end of the first branch pipe (902).
6. The internal cleaning device for gas cylinders according to claim 4, characterized in that, A sewage discharge port (15) is arranged on the storage cylinder (4). A baffle (14) opposite to the sewage discharge port (15) is fixedly installed on the part of the first branch pipe (902) inside the storage cylinder (4). In this way, when the gas cylinder is being cleaned, the water outlet end of the first branch pipe (902) is opposite to the gas cylinder mouth and the baffle (14) is misaligned with the sewage discharge port (15), so that the cleaning waste liquid in the gas cylinder can be discharged. When the stainless steel sand needs to be discharged into the storage cylinder (4) after the gas cylinder cleaning is completed, the water outlet end of the first branch pipe (902) is misaligned with the gas cylinder mouth, and the baffle (14) blocks the sewage discharge port (15) to prevent the loss of stainless steel sand.
7. The internal cleaning device for gas cylinders according to claim 1, characterized in that A cleaning brush (303) is arranged inside the hollow cylinder (3), and a spraying pipe (10) connected to the second branch pipe (903) of the flushing pipe (9) is also arranged inside the inner cylinder (2). In this way, when the gas cylinder rotates in the hollow cylinder (3), not only can the inside be cleaned by using the stainless steel sand, but also the surface can be cleaned incidentally.
8. The internal cleaning device for gas cylinders according to claim 1, characterized in that, A rubber abutting disc (702) is also rotatably arranged on the L-shaped limiting frame (7). In this way, when the L-shaped limiting frame (7) abuts against the bottom of the gas cylinder, the rotation of the gas cylinder will not be affected.
9. The internal cleaning device for gas cylinders according to claim 1, characterized in that, A plurality of groups of sliding beads (302) distributed in a ring are embedded on the inner wall of the hollow cylinder (3). In this way, the frictional resistance when the gas cylinder rotates in the hollow cylinder (3) is smaller.